_bhb_loop+0x30/0x80
[ 188.159198][ T5292] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 188.165210][ T5292] RIP: 0033:0x7f86669f6f4a
[ 188.169624][ T5292] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 188.189357][ T5292] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 188.197769][ T5292] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 188.205840][ T5292] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 188.213925][ T5292] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 188.221912][ T5292] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 188.229881][ T5292] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 188.237883][ T5292]
[ 188.242303][ T5292] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 188.256145][ T5292] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 188.546911][ T5294] loop1: detected capacity change from 0 to 32768
[ 188.598741][ T5294] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 188.606294][ T5294] CPU: 1 PID: 5294 Comm: syz.1.135 Not tainted syzkaller #0
[ 188.613596][ T5294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 188.623684][ T5294] Call Trace:
[ 188.626987][ T5294]
[ 188.629935][ T5294] dump_stack_lvl+0x188/0x250
[ 188.634638][ T5294] ? show_regs_print_info+0x20/0x20
[ 188.639851][ T5294] ? load_image+0x410/0x410
[ 188.644381][ T5294] sysfs_create_dir_ns+0x26a/0x290
[ 188.649523][ T5294] ? sysfs_warn_dup+0xa0/0xa0
[ 188.654231][ T5294] ? do_raw_spin_unlock+0x11d/0x230
[ 188.659549][ T5294] kobject_add_internal+0x5ba/0xcd0
[ 188.664766][ T5294] kobject_init_and_add+0x128/0x190
[ 188.669984][ T5294] ? lockdep_softirqs_off+0x430/0x430
[ 188.675381][ T5294] ? kobject_add+0x230/0x230
[ 188.680086][ T5294] ? __init_swait_queue_head+0xa4/0x140
[ 188.685734][ T5294] gfs2_sys_fs_add+0x24f/0x4b0
[ 188.690525][ T5294] ? gfs2_recover_set+0x240/0x240
[ 188.695549][ T5294] ? snprintf+0xe5/0x140
[ 188.699785][ T5294] ? __free_pages+0x95/0x1a0
[ 188.704515][ T5294] ? vscnprintf+0x80/0x80
[ 188.709188][ T5294] gfs2_fill_super+0x11ed/0x1ea0
[ 188.714163][ T5294] ? gfs2_reconfigure+0xd80/0xd80
[ 188.719231][ T5294] ? sb_set_blocksize+0xa5/0xe0
[ 188.724108][ T5294] get_tree_bdev+0x3e6/0x610
[ 188.728695][ T5294] ? gfs2_reconfigure+0xd80/0xd80
[ 188.733724][ T5294] gfs2_get_tree+0x4d/0x1e0
[ 188.738265][ T5294] vfs_get_tree+0x88/0x270
[ 188.742696][ T5294] do_new_mount+0x247/0xa40
[ 188.747350][ T5294] __se_sys_mount+0x2e3/0x3d0
[ 188.752031][ T5294] ? __x64_sys_mount+0xc0/0xc0
[ 188.756915][ T5294] ? lockdep_hardirqs_on+0x94/0x140
[ 188.762115][ T5294] ? __x64_sys_mount+0x1c/0xc0
[ 188.766873][ T5294] do_syscall_64+0x4c/0xa0
[ 188.771309][ T5294] ? clear_bhb_loop+0x30/0x80
[ 188.775975][ T5294] ? clear_bhb_loop+0x30/0x80
[ 188.780942][ T5294] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 188.786874][ T5294] RIP: 0033:0x7f86669f6f4a
[ 188.791331][ T5294] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 188.810952][ T5294] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 188.819367][ T5294] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 188.827640][ T5294] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 188.835716][ T5294] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 188.843698][ T5294] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 188.851770][ T5294] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 188.859758][ T5294]
[ 188.864241][ T5294] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 188.877559][ T5294] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 189.170459][ T5296] loop1: detected capacity change from 0 to 32768
[ 189.237572][ T5296] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 189.245116][ T5296] CPU: 1 PID: 5296 Comm: syz.1.136 Not tainted syzkaller #0
[ 189.252589][ T5296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 189.262966][ T5296] Call Trace:
[ 189.266350][ T5296]
[ 189.269383][ T5296] dump_stack_lvl+0x188/0x250
[ 189.274088][ T5296] ? show_regs_print_info+0x20/0x20
[ 189.279387][ T5296] ? load_image+0x410/0x410
[ 189.283937][ T5296] sysfs_create_dir_ns+0x26a/0x290
[ 189.289072][ T5296] ? sysfs_warn_dup+0xa0/0xa0
[ 189.293769][ T5296] ? do_raw_spin_unlock+0x11d/0x230
[ 189.298981][ T5296] kobject_add_internal+0x5ba/0xcd0
[ 189.304201][ T5296] kobject_init_and_add+0x128/0x190
[ 189.309521][ T5296] ? lockdep_softirqs_off+0x430/0x430
[ 189.315012][ T5296] ? kobject_add+0x230/0x230
[ 189.319814][ T5296] ? __init_swait_queue_head+0xa4/0x140
[ 189.325409][ T5296] gfs2_sys_fs_add+0x24f/0x4b0
[ 189.330172][ T5296] ? gfs2_recover_set+0x240/0x240
[ 189.335204][ T5296] ? snprintf+0xe5/0x140
[ 189.339480][ T5296] ? __free_pages+0x95/0x1a0
[ 189.344102][ T5296] ? vscnprintf+0x80/0x80
[ 189.348523][ T5296] gfs2_fill_super+0x11ed/0x1ea0
[ 189.353459][ T5296] ? gfs2_reconfigure+0xd80/0xd80
[ 189.358509][ T5296] ? sb_set_blocksize+0xa5/0xe0
[ 189.363559][ T5296] get_tree_bdev+0x3e6/0x610
[ 189.368263][ T5296] ? gfs2_reconfigure+0xd80/0xd80
[ 189.373287][ T5296] gfs2_get_tree+0x4d/0x1e0
[ 189.377894][ T5296] vfs_get_tree+0x88/0x270
[ 189.382390][ T5296] do_new_mount+0x247/0xa40
[ 189.386896][ T5296] __se_sys_mount+0x2e3/0x3d0
[ 189.391647][ T5296] ? __x64_sys_mount+0xc0/0xc0
[ 189.396419][ T5296] ? lockdep_hardirqs_on+0x94/0x140
[ 189.401652][ T5296] ? __x64_sys_mount+0x1c/0xc0
[ 189.406414][ T5296] do_syscall_64+0x4c/0xa0
[ 189.410932][ T5296] ? clear_bhb_loop+0x30/0x80
[ 189.415596][ T5296] ? clear_bhb_loop+0x30/0x80
[ 189.420274][ T5296] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 189.426161][ T5296] RIP: 0033:0x7f86669f6f4a
[ 189.430574][ T5296] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 189.450292][ T5296] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 189.458731][ T5296] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 189.466982][ T5296] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 189.475142][ T5296] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 189.483223][ T5296] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 189.491318][ T5296] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 189.499400][ T5296]
[ 189.503985][ T5296] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 189.517372][ T5296] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 189.815930][ T5298] loop1: detected capacity change from 0 to 32768
[ 189.877428][ T5298] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 189.885027][ T5298] CPU: 1 PID: 5298 Comm: syz.1.137 Not tainted syzkaller #0
[ 189.892467][ T5298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 189.902539][ T5298] Call Trace:
[ 189.905953][ T5298]
[ 189.908904][ T5298] dump_stack_lvl+0x188/0x250
[ 189.913626][ T5298] ? show_regs_print_info+0x20/0x20
[ 189.918862][ T5298] ? load_image+0x410/0x410
[ 189.923398][ T5298] sysfs_create_dir_ns+0x26a/0x290
[ 189.928557][ T5298] ? sysfs_warn_dup+0xa0/0xa0
[ 189.933257][ T5298] ? do_raw_spin_unlock+0x11d/0x230
[ 189.938476][ T5298] kobject_add_internal+0x5ba/0xcd0
[ 189.943706][ T5298] kobject_init_and_add+0x128/0x190
[ 189.948972][ T5298] ? lockdep_softirqs_off+0x430/0x430
[ 189.954469][ T5298] ? kobject_add+0x230/0x230
[ 189.959085][ T5298] ? __init_swait_queue_head+0xa4/0x140
[ 189.964749][ T5298] gfs2_sys_fs_add+0x24f/0x4b0
[ 189.969529][ T5298] ? gfs2_recover_set+0x240/0x240
[ 189.974557][ T5298] ? snprintf+0xe5/0x140
[ 189.979251][ T5298] ? __free_pages+0x95/0x1a0
[ 189.983934][ T5298] ? vscnprintf+0x80/0x80
[ 189.988397][ T5298] gfs2_fill_super+0x11ed/0x1ea0
[ 189.993535][ T5298] ? gfs2_reconfigure+0xd80/0xd80
[ 189.998586][ T5298] ? sb_set_blocksize+0xa5/0xe0
[ 190.003425][ T5298] get_tree_bdev+0x3e6/0x610
[ 190.008008][ T5298] ? gfs2_reconfigure+0xd80/0xd80
[ 190.013030][ T5298] gfs2_get_tree+0x4d/0x1e0
[ 190.017534][ T5298] vfs_get_tree+0x88/0x270
[ 190.021960][ T5298] do_new_mount+0x247/0xa40
[ 190.026651][ T5298] __se_sys_mount+0x2e3/0x3d0
[ 190.031408][ T5298] ? __x64_sys_mount+0xc0/0xc0
[ 190.036187][ T5298] ? lockdep_hardirqs_on+0x94/0x140
[ 190.041375][ T5298] ? __x64_sys_mount+0x1c/0xc0
[ 190.046144][ T5298] do_syscall_64+0x4c/0xa0
[ 190.050562][ T5298] ? clear_bhb_loop+0x30/0x80
[ 190.055219][ T5298] ? clear_bhb_loop+0x30/0x80
[ 190.059992][ T5298] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 190.065921][ T5298] RIP: 0033:0x7f86669f6f4a
[ 190.070336][ T5298] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 190.089932][ T5298] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 190.098476][ T5298] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 190.106531][ T5298] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 190.114702][ T5298] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 190.122668][ T5298] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 190.130642][ T5298] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 190.138622][ T5298]
[ 190.142661][ T5298] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 190.155935][ T5298] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 190.445069][ T5300] loop1: detected capacity change from 0 to 32768
[ 190.499617][ T5300] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 190.507046][ T5300] CPU: 1 PID: 5300 Comm: syz.1.138 Not tainted syzkaller #0
[ 190.514448][ T5300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 190.524529][ T5300] Call Trace:
[ 190.527829][ T5300]
[ 190.530777][ T5300] dump_stack_lvl+0x188/0x250
[ 190.535738][ T5300] ? show_regs_print_info+0x20/0x20
[ 190.541011][ T5300] ? load_image+0x410/0x410
[ 190.545648][ T5300] sysfs_create_dir_ns+0x26a/0x290
[ 190.550780][ T5300] ? sysfs_warn_dup+0xa0/0xa0
[ 190.555478][ T5300] ? do_raw_spin_unlock+0x11d/0x230
[ 190.560758][ T5300] kobject_add_internal+0x5ba/0xcd0
[ 190.565976][ T5300] kobject_init_and_add+0x128/0x190
[ 190.571195][ T5300] ? lockdep_softirqs_off+0x430/0x430
[ 190.576863][ T5300] ? kobject_add+0x230/0x230
[ 190.581462][ T5300] ? __init_swait_queue_head+0xa4/0x140
[ 190.587074][ T5300] gfs2_sys_fs_add+0x24f/0x4b0
[ 190.591852][ T5300] ? gfs2_recover_set+0x240/0x240
[ 190.596901][ T5300] ? snprintf+0xe5/0x140
[ 190.601161][ T5300] ? __free_pages+0x95/0x1a0
[ 190.605746][ T5300] ? vscnprintf+0x80/0x80
[ 190.610069][ T5300] gfs2_fill_super+0x11ed/0x1ea0
[ 190.614999][ T5300] ? gfs2_reconfigure+0xd80/0xd80
[ 190.620030][ T5300] ? sb_set_blocksize+0xa5/0xe0
[ 190.625136][ T5300] get_tree_bdev+0x3e6/0x610
[ 190.629733][ T5300] ? gfs2_reconfigure+0xd80/0xd80
[ 190.634738][ T5300] gfs2_get_tree+0x4d/0x1e0
[ 190.639401][ T5300] vfs_get_tree+0x88/0x270
[ 190.643847][ T5300] do_new_mount+0x247/0xa40
[ 190.648354][ T5300] __se_sys_mount+0x2e3/0x3d0
[ 190.653033][ T5300] ? __x64_sys_mount+0xc0/0xc0
[ 190.657863][ T5300] ? lockdep_hardirqs_on+0x94/0x140
[ 190.663053][ T5300] ? __x64_sys_mount+0x1c/0xc0
[ 190.668155][ T5300] do_syscall_64+0x4c/0xa0
[ 190.672563][ T5300] ? clear_bhb_loop+0x30/0x80
[ 190.677235][ T5300] ? clear_bhb_loop+0x30/0x80
[ 190.681927][ T5300] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 190.687817][ T5300] RIP: 0033:0x7f86669f6f4a
[ 190.692223][ T5300] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 190.711978][ T5300] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 190.720544][ T5300] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 190.728513][ T5300] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 190.736590][ T5300] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 190.744566][ T5300] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 190.752539][ T5300] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 190.760651][ T5300]
[ 190.765244][ T5300] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 190.779105][ T5300] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/09/15 01:06:36 executed programs: 124
[ 191.082191][ T5302] loop1: detected capacity change from 0 to 32768
[ 191.160968][ T5302] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 191.168694][ T5302] CPU: 0 PID: 5302 Comm: syz.1.139 Not tainted syzkaller #0
[ 191.176010][ T5302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 191.186472][ T5302] Call Trace:
[ 191.189768][ T5302]
[ 191.192716][ T5302] dump_stack_lvl+0x188/0x250
[ 191.197428][ T5302] ? show_regs_print_info+0x20/0x20
[ 191.202655][ T5302] ? load_image+0x410/0x410
[ 191.207190][ T5302] sysfs_create_dir_ns+0x26a/0x290
[ 191.212322][ T5302] ? sysfs_warn_dup+0xa0/0xa0
[ 191.217189][ T5302] ? do_raw_spin_unlock+0x11d/0x230
[ 191.222579][ T5302] kobject_add_internal+0x5ba/0xcd0
[ 191.227804][ T5302] kobject_init_and_add+0x128/0x190
[ 191.233003][ T5302] ? lockdep_softirqs_off+0x430/0x430
[ 191.238400][ T5302] ? kobject_add+0x230/0x230
[ 191.242986][ T5302] ? __init_swait_queue_head+0xa4/0x140
[ 191.248517][ T5302] gfs2_sys_fs_add+0x24f/0x4b0
[ 191.253391][ T5302] ? gfs2_recover_set+0x240/0x240
[ 191.258416][ T5302] ? snprintf+0xe5/0x140
[ 191.262654][ T5302] ? __free_pages+0x95/0x1a0
[ 191.267335][ T5302] ? vscnprintf+0x80/0x80
[ 191.271667][ T5302] gfs2_fill_super+0x11ed/0x1ea0
[ 191.276604][ T5302] ? gfs2_reconfigure+0xd80/0xd80
[ 191.281837][ T5302] ? sb_set_blocksize+0xa5/0xe0
[ 191.286764][ T5302] get_tree_bdev+0x3e6/0x610
[ 191.291368][ T5302] ? gfs2_reconfigure+0xd80/0xd80
[ 191.296384][ T5302] gfs2_get_tree+0x4d/0x1e0
[ 191.300879][ T5302] vfs_get_tree+0x88/0x270
[ 191.305403][ T5302] do_new_mount+0x247/0xa40
[ 191.309921][ T5302] __se_sys_mount+0x2e3/0x3d0
[ 191.314611][ T5302] ? __x64_sys_mount+0xc0/0xc0
[ 191.319468][ T5302] ? lockdep_hardirqs_on+0x94/0x140
[ 191.324911][ T5302] ? __x64_sys_mount+0x1c/0xc0
[ 191.329662][ T5302] do_syscall_64+0x4c/0xa0
[ 191.334165][ T5302] ? clear_bhb_loop+0x30/0x80
[ 191.338831][ T5302] ? clear_bhb_loop+0x30/0x80
[ 191.343491][ T5302] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 191.349494][ T5302] RIP: 0033:0x7f86669f6f4a
[ 191.353910][ T5302] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 191.373626][ T5302] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 191.382464][ T5302] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 191.390444][ T5302] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 191.398525][ T5302] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 191.406519][ T5302] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 191.414482][ T5302] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 191.422451][ T5302]
[ 191.428980][ T5302] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 191.442640][ T5302] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 191.742835][ T5304] loop1: detected capacity change from 0 to 32768
[ 191.798714][ T5304] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 191.808098][ T5304] CPU: 1 PID: 5304 Comm: syz.1.140 Not tainted syzkaller #0
[ 191.815413][ T5304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 191.825479][ T5304] Call Trace:
[ 191.828771][ T5304]
[ 191.831715][ T5304] dump_stack_lvl+0x188/0x250
[ 191.836405][ T5304] ? show_regs_print_info+0x20/0x20
[ 191.841634][ T5304] ? load_image+0x410/0x410
[ 191.846207][ T5304] sysfs_create_dir_ns+0x26a/0x290
[ 191.851340][ T5304] ? sysfs_warn_dup+0xa0/0xa0
[ 191.856033][ T5304] ? do_raw_spin_unlock+0x11d/0x230
[ 191.861256][ T5304] kobject_add_internal+0x5ba/0xcd0
[ 191.866469][ T5304] kobject_init_and_add+0x128/0x190
[ 191.871686][ T5304] ? lockdep_softirqs_off+0x430/0x430
[ 191.877166][ T5304] ? kobject_add+0x230/0x230
[ 191.881775][ T5304] ? __init_swait_queue_head+0xa4/0x140
[ 191.887332][ T5304] gfs2_sys_fs_add+0x24f/0x4b0
[ 191.892195][ T5304] ? gfs2_recover_set+0x240/0x240
[ 191.897572][ T5304] ? snprintf+0xe5/0x140
[ 191.901818][ T5304] ? __free_pages+0x95/0x1a0
[ 191.906398][ T5304] ? vscnprintf+0x80/0x80
[ 191.910724][ T5304] gfs2_fill_super+0x11ed/0x1ea0
[ 191.915773][ T5304] ? gfs2_reconfigure+0xd80/0xd80
[ 191.920794][ T5304] ? sb_set_blocksize+0xa5/0xe0
[ 191.925632][ T5304] get_tree_bdev+0x3e6/0x610
[ 191.930210][ T5304] ? gfs2_reconfigure+0xd80/0xd80
[ 191.935230][ T5304] gfs2_get_tree+0x4d/0x1e0
[ 191.939870][ T5304] vfs_get_tree+0x88/0x270
[ 191.944285][ T5304] do_new_mount+0x247/0xa40
[ 191.948803][ T5304] __se_sys_mount+0x2e3/0x3d0
[ 191.953802][ T5304] ? __x64_sys_mount+0xc0/0xc0
[ 191.958568][ T5304] ? lockdep_hardirqs_on+0x94/0x140
[ 191.963789][ T5304] ? __x64_sys_mount+0x1c/0xc0
[ 191.968566][ T5304] do_syscall_64+0x4c/0xa0
[ 191.972986][ T5304] ? clear_bhb_loop+0x30/0x80
[ 191.977673][ T5304] ? clear_bhb_loop+0x30/0x80
[ 191.982333][ T5304] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 191.988493][ T5304] RIP: 0033:0x7f86669f6f4a
[ 191.992919][ T5304] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 192.012608][ T5304] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 192.021014][ T5304] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 192.028974][ T5304] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 192.036938][ T5304] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 192.044921][ T5304] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 192.052883][ T5304] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 192.060876][ T5304]
[ 192.064886][ T5304] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 192.078319][ T5304] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 192.394285][ T5306] loop1: detected capacity change from 0 to 32768
[ 192.433983][ T5306] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 192.441637][ T5306] CPU: 1 PID: 5306 Comm: syz.1.141 Not tainted syzkaller #0
[ 192.448953][ T5306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 192.459031][ T5306] Call Trace:
[ 192.462344][ T5306]
[ 192.465295][ T5306] dump_stack_lvl+0x188/0x250
[ 192.470017][ T5306] ? show_regs_print_info+0x20/0x20
[ 192.475231][ T5306] ? load_image+0x410/0x410
[ 192.479770][ T5306] sysfs_create_dir_ns+0x26a/0x290
[ 192.485074][ T5306] ? sysfs_warn_dup+0xa0/0xa0
[ 192.489774][ T5306] ? do_raw_spin_unlock+0x11d/0x230
[ 192.494999][ T5306] kobject_add_internal+0x5ba/0xcd0
[ 192.500228][ T5306] kobject_init_and_add+0x128/0x190
[ 192.505456][ T5306] ? lockdep_softirqs_off+0x430/0x430
[ 192.510852][ T5306] ? kobject_add+0x230/0x230
[ 192.515466][ T5306] ? __init_swait_queue_head+0xa4/0x140
[ 192.521034][ T5306] gfs2_sys_fs_add+0x24f/0x4b0
[ 192.525796][ T5306] ? gfs2_recover_set+0x240/0x240
[ 192.530838][ T5306] ? snprintf+0xe5/0x140
[ 192.535067][ T5306] ? __free_pages+0x95/0x1a0
[ 192.539676][ T5306] ? vscnprintf+0x80/0x80
[ 192.544012][ T5306] gfs2_fill_super+0x11ed/0x1ea0
[ 192.548990][ T5306] ? gfs2_reconfigure+0xd80/0xd80
[ 192.554027][ T5306] ? sb_set_blocksize+0xa5/0xe0
[ 192.558877][ T5306] get_tree_bdev+0x3e6/0x610
[ 192.563483][ T5306] ? gfs2_reconfigure+0xd80/0xd80
[ 192.568497][ T5306] gfs2_get_tree+0x4d/0x1e0
[ 192.573247][ T5306] vfs_get_tree+0x88/0x270
[ 192.577653][ T5306] do_new_mount+0x247/0xa40
[ 192.582172][ T5306] __se_sys_mount+0x2e3/0x3d0
[ 192.586845][ T5306] ? __x64_sys_mount+0xc0/0xc0
[ 192.591596][ T5306] ? lockdep_hardirqs_on+0x94/0x140
[ 192.596778][ T5306] ? __x64_sys_mount+0x1c/0xc0
[ 192.601625][ T5306] do_syscall_64+0x4c/0xa0
[ 192.606029][ T5306] ? clear_bhb_loop+0x30/0x80
[ 192.610685][ T5306] ? clear_bhb_loop+0x30/0x80
[ 192.615376][ T5306] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 192.621275][ T5306] RIP: 0033:0x7f86669f6f4a
[ 192.625682][ T5306] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 192.645308][ T5306] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 192.653800][ T5306] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 192.661765][ T5306] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 192.669736][ T5306] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 192.677743][ T5306] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 192.685809][ T5306] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 192.694233][ T5306]
[ 192.698495][ T5306] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 192.711932][ T5306] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 193.032092][ T5308] loop1: detected capacity change from 0 to 32768
[ 193.079505][ T5308] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 193.086937][ T5308] CPU: 1 PID: 5308 Comm: syz.1.142 Not tainted syzkaller #0
[ 193.094382][ T5308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 193.104630][ T5308] Call Trace:
[ 193.107932][ T5308]
[ 193.110880][ T5308] dump_stack_lvl+0x188/0x250
[ 193.115582][ T5308] ? show_regs_print_info+0x20/0x20
[ 193.120812][ T5308] ? load_image+0x410/0x410
[ 193.125464][ T5308] sysfs_create_dir_ns+0x26a/0x290
[ 193.130601][ T5308] ? sysfs_warn_dup+0xa0/0xa0
[ 193.135300][ T5308] ? do_raw_spin_unlock+0x11d/0x230
[ 193.140601][ T5308] kobject_add_internal+0x5ba/0xcd0
[ 193.145821][ T5308] kobject_init_and_add+0x128/0x190
[ 193.151105][ T5308] ? lockdep_softirqs_off+0x430/0x430
[ 193.156540][ T5308] ? kobject_add+0x230/0x230
[ 193.161289][ T5308] ? __init_swait_queue_head+0xa4/0x140
[ 193.166900][ T5308] gfs2_sys_fs_add+0x24f/0x4b0
[ 193.171679][ T5308] ? gfs2_recover_set+0x240/0x240
[ 193.176761][ T5308] ? snprintf+0xe5/0x140
[ 193.181000][ T5308] ? __free_pages+0x95/0x1a0
[ 193.185612][ T5308] ? vscnprintf+0x80/0x80
[ 193.189969][ T5308] gfs2_fill_super+0x11ed/0x1ea0
[ 193.195033][ T5308] ? gfs2_reconfigure+0xd80/0xd80
[ 193.200062][ T5308] ? sb_set_blocksize+0xa5/0xe0
[ 193.204926][ T5308] get_tree_bdev+0x3e6/0x610
[ 193.209528][ T5308] ? gfs2_reconfigure+0xd80/0xd80
[ 193.214544][ T5308] gfs2_get_tree+0x4d/0x1e0
[ 193.219069][ T5308] vfs_get_tree+0x88/0x270
[ 193.223493][ T5308] do_new_mount+0x247/0xa40
[ 193.227996][ T5308] __se_sys_mount+0x2e3/0x3d0
[ 193.232684][ T5308] ? __x64_sys_mount+0xc0/0xc0
[ 193.237441][ T5308] ? lockdep_hardirqs_on+0x94/0x140
[ 193.242641][ T5308] ? __x64_sys_mount+0x1c/0xc0
[ 193.247443][ T5308] do_syscall_64+0x4c/0xa0
[ 193.251876][ T5308] ? clear_bhb_loop+0x30/0x80
[ 193.256556][ T5308] ? clear_bhb_loop+0x30/0x80
[ 193.261426][ T5308] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 193.267311][ T5308] RIP: 0033:0x7f86669f6f4a
[ 193.271743][ T5308] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 193.291797][ T5308] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 193.300614][ T5308] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 193.308678][ T5308] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 193.316779][ T5308] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 193.324765][ T5308] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 193.332819][ T5308] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 193.340838][ T5308]
[ 193.345067][ T5308] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 193.358597][ T5308] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 193.674318][ T5310] loop1: detected capacity change from 0 to 32768
[ 193.771436][ T5310] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 193.789205][ T5310] CPU: 0 PID: 5310 Comm: syz.1.143 Not tainted syzkaller #0
[ 193.796642][ T5310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 193.806716][ T5310] Call Trace:
[ 193.810007][ T5310]
[ 193.812948][ T5310] dump_stack_lvl+0x188/0x250
[ 193.817640][ T5310] ? show_regs_print_info+0x20/0x20
[ 193.823109][ T5310] ? load_image+0x410/0x410
[ 193.827662][ T5310] sysfs_create_dir_ns+0x26a/0x290
[ 193.832813][ T5310] ? sysfs_warn_dup+0xa0/0xa0
[ 193.837771][ T5310] ? do_raw_spin_unlock+0x11d/0x230
[ 193.843070][ T5310] kobject_add_internal+0x5ba/0xcd0
[ 193.848446][ T5310] kobject_init_and_add+0x128/0x190
[ 193.853646][ T5310] ? lockdep_softirqs_off+0x430/0x430
[ 193.859186][ T5310] ? kobject_add+0x230/0x230
[ 193.863929][ T5310] ? __init_swait_queue_head+0xa4/0x140
[ 193.869478][ T5310] gfs2_sys_fs_add+0x24f/0x4b0
[ 193.874238][ T5310] ? gfs2_recover_set+0x240/0x240
[ 193.879454][ T5310] ? snprintf+0xe5/0x140
[ 193.883852][ T5310] ? __free_pages+0x95/0x1a0
[ 193.888441][ T5310] ? vscnprintf+0x80/0x80
[ 193.892858][ T5310] gfs2_fill_super+0x11ed/0x1ea0
[ 193.897793][ T5310] ? gfs2_reconfigure+0xd80/0xd80
[ 193.902838][ T5310] ? sb_set_blocksize+0xa5/0xe0
[ 193.907807][ T5310] get_tree_bdev+0x3e6/0x610
[ 193.912510][ T5310] ? gfs2_reconfigure+0xd80/0xd80
[ 193.917628][ T5310] gfs2_get_tree+0x4d/0x1e0
[ 193.922138][ T5310] vfs_get_tree+0x88/0x270
[ 193.926537][ T5310] do_new_mount+0x247/0xa40
[ 193.931049][ T5310] __se_sys_mount+0x2e3/0x3d0
[ 193.935714][ T5310] ? __x64_sys_mount+0xc0/0xc0
[ 193.940462][ T5310] ? lockdep_hardirqs_on+0x94/0x140
[ 193.945687][ T5310] ? __x64_sys_mount+0x1c/0xc0
[ 193.950587][ T5310] do_syscall_64+0x4c/0xa0
[ 193.955028][ T5310] ? clear_bhb_loop+0x30/0x80
[ 193.959735][ T5310] ? clear_bhb_loop+0x30/0x80
[ 193.964422][ T5310] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 193.970334][ T5310] RIP: 0033:0x7f86669f6f4a
[ 193.974762][ T5310] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 193.994357][ T5310] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 194.002764][ T5310] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 194.010937][ T5310] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 194.019166][ T5310] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 194.027135][ T5310] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 194.035115][ T5310] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 194.043183][ T5310]
[ 194.051083][ T5310] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 194.064770][ T5310] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 194.202002][ T1422] ieee802154 phy0 wpan0: encryption failed: -22
[ 194.208452][ T1422] ieee802154 phy1 wpan1: encryption failed: -22
[ 194.375125][ T5312] loop1: detected capacity change from 0 to 32768
[ 194.427390][ T5312] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 194.434902][ T5312] CPU: 0 PID: 5312 Comm: syz.1.144 Not tainted syzkaller #0
[ 194.442221][ T5312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 194.452384][ T5312] Call Trace:
[ 194.455676][ T5312]
[ 194.458623][ T5312] dump_stack_lvl+0x188/0x250
[ 194.463326][ T5312] ? show_regs_print_info+0x20/0x20
[ 194.468628][ T5312] ? load_image+0x410/0x410
[ 194.473156][ T5312] sysfs_create_dir_ns+0x26a/0x290
[ 194.478374][ T5312] ? sysfs_warn_dup+0xa0/0xa0
[ 194.483076][ T5312] ? do_raw_spin_unlock+0x11d/0x230
[ 194.488293][ T5312] kobject_add_internal+0x5ba/0xcd0
[ 194.493614][ T5312] kobject_init_and_add+0x128/0x190
[ 194.498930][ T5312] ? lockdep_softirqs_off+0x430/0x430
[ 194.504325][ T5312] ? kobject_add+0x230/0x230
[ 194.508943][ T5312] ? __init_swait_queue_head+0xa4/0x140
[ 194.514766][ T5312] gfs2_sys_fs_add+0x24f/0x4b0
[ 194.519540][ T5312] ? gfs2_recover_set+0x240/0x240
[ 194.524583][ T5312] ? snprintf+0xe5/0x140
[ 194.528809][ T5312] ? __free_pages+0x95/0x1a0
[ 194.533388][ T5312] ? vscnprintf+0x80/0x80
[ 194.537711][ T5312] gfs2_fill_super+0x11ed/0x1ea0
[ 194.542742][ T5312] ? gfs2_reconfigure+0xd80/0xd80
[ 194.547791][ T5312] ? sb_set_blocksize+0xa5/0xe0
[ 194.552631][ T5312] get_tree_bdev+0x3e6/0x610
[ 194.557447][ T5312] ? gfs2_reconfigure+0xd80/0xd80
[ 194.562564][ T5312] gfs2_get_tree+0x4d/0x1e0
[ 194.567066][ T5312] vfs_get_tree+0x88/0x270
[ 194.571470][ T5312] do_new_mount+0x247/0xa40
[ 194.575964][ T5312] __se_sys_mount+0x2e3/0x3d0
[ 194.580648][ T5312] ? __x64_sys_mount+0xc0/0xc0
[ 194.585437][ T5312] ? lockdep_hardirqs_on+0x94/0x140
[ 194.590659][ T5312] ? __x64_sys_mount+0x1c/0xc0
[ 194.595428][ T5312] do_syscall_64+0x4c/0xa0
[ 194.599832][ T5312] ? clear_bhb_loop+0x30/0x80
[ 194.604518][ T5312] ? clear_bhb_loop+0x30/0x80
[ 194.609187][ T5312] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 194.615090][ T5312] RIP: 0033:0x7f86669f6f4a
[ 194.619523][ T5312] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 194.639118][ T5312] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 194.647540][ T5312] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 194.655501][ T5312] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 194.663549][ T5312] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 194.671706][ T5312] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 194.679664][ T5312] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 194.687638][ T5312]
[ 194.692761][ T5312] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 194.706358][ T5312] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 194.996112][ T5314] loop1: detected capacity change from 0 to 32768
[ 195.085413][ T5314] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 195.093090][ T5314] CPU: 0 PID: 5314 Comm: syz.1.145 Not tainted syzkaller #0
[ 195.100552][ T5314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 195.110629][ T5314] Call Trace:
[ 195.113933][ T5314]
[ 195.116885][ T5314] dump_stack_lvl+0x188/0x250
[ 195.121582][ T5314] ? show_regs_print_info+0x20/0x20
[ 195.126799][ T5314] ? load_image+0x410/0x410
[ 195.131393][ T5314] sysfs_create_dir_ns+0x26a/0x290
[ 195.136650][ T5314] ? sysfs_warn_dup+0xa0/0xa0
[ 195.141366][ T5314] ? do_raw_spin_unlock+0x11d/0x230
[ 195.146685][ T5314] kobject_add_internal+0x5ba/0xcd0
[ 195.151905][ T5314] kobject_init_and_add+0x128/0x190
[ 195.157112][ T5314] ? lockdep_softirqs_off+0x430/0x430
[ 195.162504][ T5314] ? kobject_add+0x230/0x230
[ 195.167099][ T5314] ? __init_swait_queue_head+0xa4/0x140
[ 195.172653][ T5314] gfs2_sys_fs_add+0x24f/0x4b0
[ 195.177506][ T5314] ? gfs2_recover_set+0x240/0x240
[ 195.182562][ T5314] ? snprintf+0xe5/0x140
[ 195.186886][ T5314] ? __free_pages+0x95/0x1a0
[ 195.191483][ T5314] ? vscnprintf+0x80/0x80
[ 195.195825][ T5314] gfs2_fill_super+0x11ed/0x1ea0
[ 195.200768][ T5314] ? gfs2_reconfigure+0xd80/0xd80
[ 195.205970][ T5314] ? sb_set_blocksize+0xa5/0xe0
[ 195.210826][ T5314] get_tree_bdev+0x3e6/0x610
[ 195.215418][ T5314] ? gfs2_reconfigure+0xd80/0xd80
[ 195.220564][ T5314] gfs2_get_tree+0x4d/0x1e0
[ 195.225088][ T5314] vfs_get_tree+0x88/0x270
[ 195.229511][ T5314] do_new_mount+0x247/0xa40
[ 195.234151][ T5314] __se_sys_mount+0x2e3/0x3d0
[ 195.238836][ T5314] ? __x64_sys_mount+0xc0/0xc0
[ 195.243613][ T5314] ? lockdep_hardirqs_on+0x94/0x140
[ 195.248897][ T5314] ? __x64_sys_mount+0x1c/0xc0
[ 195.253673][ T5314] do_syscall_64+0x4c/0xa0
[ 195.258087][ T5314] ? clear_bhb_loop+0x30/0x80
[ 195.262785][ T5314] ? clear_bhb_loop+0x30/0x80
[ 195.267496][ T5314] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 195.273416][ T5314] RIP: 0033:0x7f86669f6f4a
[ 195.277831][ T5314] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 195.297607][ T5314] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 195.306029][ T5314] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 195.314147][ T5314] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 195.322237][ T5314] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 195.330320][ T5314] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 195.338456][ T5314] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 195.346468][ T5314]
[ 195.350694][ T5314] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 195.364343][ T5314] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 195.693081][ T5316] loop1: detected capacity change from 0 to 32768
[ 195.759726][ T5316] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 195.767144][ T5316] CPU: 0 PID: 5316 Comm: syz.1.146 Not tainted syzkaller #0
[ 195.774448][ T5316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 195.784519][ T5316] Call Trace:
[ 195.787826][ T5316]
[ 195.790767][ T5316] dump_stack_lvl+0x188/0x250
[ 195.795579][ T5316] ? show_regs_print_info+0x20/0x20
[ 195.800803][ T5316] ? load_image+0x410/0x410
[ 195.805339][ T5316] sysfs_create_dir_ns+0x26a/0x290
[ 195.810481][ T5316] ? sysfs_warn_dup+0xa0/0xa0
[ 195.815193][ T5316] ? do_raw_spin_unlock+0x11d/0x230
[ 195.820412][ T5316] kobject_add_internal+0x5ba/0xcd0
[ 195.825667][ T5316] kobject_init_and_add+0x128/0x190
[ 195.830890][ T5316] ? lockdep_softirqs_off+0x430/0x430
[ 195.836317][ T5316] ? kobject_add+0x230/0x230
[ 195.840920][ T5316] ? __init_swait_queue_head+0xa4/0x140
[ 195.846477][ T5316] gfs2_sys_fs_add+0x24f/0x4b0
[ 195.851231][ T5316] ? gfs2_recover_set+0x240/0x240
[ 195.856284][ T5316] ? snprintf+0xe5/0x140
[ 195.860531][ T5316] ? __free_pages+0x95/0x1a0
[ 195.865227][ T5316] ? vscnprintf+0x80/0x80
[ 195.869576][ T5316] gfs2_fill_super+0x11ed/0x1ea0
[ 195.874542][ T5316] ? gfs2_reconfigure+0xd80/0xd80
[ 195.879567][ T5316] ? sb_set_blocksize+0xa5/0xe0
[ 195.884404][ T5316] get_tree_bdev+0x3e6/0x610
[ 195.889002][ T5316] ? gfs2_reconfigure+0xd80/0xd80
[ 195.894020][ T5316] gfs2_get_tree+0x4d/0x1e0
[ 195.898515][ T5316] vfs_get_tree+0x88/0x270
[ 195.903065][ T5316] do_new_mount+0x247/0xa40
[ 195.907569][ T5316] __se_sys_mount+0x2e3/0x3d0
[ 195.912239][ T5316] ? __x64_sys_mount+0xc0/0xc0
[ 195.917287][ T5316] ? lockdep_hardirqs_on+0x94/0x140
[ 195.922499][ T5316] ? __x64_sys_mount+0x1c/0xc0
[ 195.927262][ T5316] do_syscall_64+0x4c/0xa0
[ 195.931761][ T5316] ? clear_bhb_loop+0x30/0x80
[ 195.936436][ T5316] ? clear_bhb_loop+0x30/0x80
[ 195.941189][ T5316] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 195.947244][ T5316] RIP: 0033:0x7f86669f6f4a
[ 195.951923][ T5316] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 195.971827][ T5316] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 195.980456][ T5316] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 195.988632][ T5316] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 195.996784][ T5316] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 196.004751][ T5316] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 196.012732][ T5316] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 196.020708][ T5316]
[ 196.027347][ T5316] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 196.040649][ T5316] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/09/15 01:06:42 executed programs: 132
[ 196.334346][ T5318] loop1: detected capacity change from 0 to 32768
[ 196.386981][ T5318] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 196.394456][ T5318] CPU: 0 PID: 5318 Comm: syz.1.147 Not tainted syzkaller #0
[ 196.401846][ T5318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 196.411950][ T5318] Call Trace:
[ 196.415259][ T5318]
[ 196.418201][ T5318] dump_stack_lvl+0x188/0x250
[ 196.422903][ T5318] ? show_regs_print_info+0x20/0x20
[ 196.428114][ T5318] ? load_image+0x410/0x410
[ 196.432636][ T5318] sysfs_create_dir_ns+0x26a/0x290
[ 196.437759][ T5318] ? sysfs_warn_dup+0xa0/0xa0
[ 196.442449][ T5318] ? do_raw_spin_unlock+0x11d/0x230
[ 196.447689][ T5318] kobject_add_internal+0x5ba/0xcd0
[ 196.452911][ T5318] kobject_init_and_add+0x128/0x190
[ 196.458133][ T5318] ? lockdep_softirqs_off+0x430/0x430
[ 196.463527][ T5318] ? kobject_add+0x230/0x230
[ 196.468168][ T5318] ? __init_swait_queue_head+0xa4/0x140
[ 196.473759][ T5318] gfs2_sys_fs_add+0x24f/0x4b0
[ 196.478564][ T5318] ? gfs2_recover_set+0x240/0x240
[ 196.483589][ T5318] ? snprintf+0xe5/0x140
[ 196.487821][ T5318] ? __free_pages+0x95/0x1a0
[ 196.492403][ T5318] ? vscnprintf+0x80/0x80
[ 196.496732][ T5318] gfs2_fill_super+0x11ed/0x1ea0
[ 196.501657][ T5318] ? gfs2_reconfigure+0xd80/0xd80
[ 196.506771][ T5318] ? sb_set_blocksize+0xa5/0xe0
[ 196.511661][ T5318] get_tree_bdev+0x3e6/0x610
[ 196.516245][ T5318] ? gfs2_reconfigure+0xd80/0xd80
[ 196.521274][ T5318] gfs2_get_tree+0x4d/0x1e0
[ 196.525768][ T5318] vfs_get_tree+0x88/0x270
[ 196.530190][ T5318] do_new_mount+0x247/0xa40
[ 196.534706][ T5318] __se_sys_mount+0x2e3/0x3d0
[ 196.539462][ T5318] ? __x64_sys_mount+0xc0/0xc0
[ 196.544210][ T5318] ? lockdep_hardirqs_on+0x94/0x140
[ 196.549395][ T5318] ? __x64_sys_mount+0x1c/0xc0
[ 196.554159][ T5318] do_syscall_64+0x4c/0xa0
[ 196.558558][ T5318] ? clear_bhb_loop+0x30/0x80
[ 196.563242][ T5318] ? clear_bhb_loop+0x30/0x80
[ 196.567905][ T5318] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 196.573789][ T5318] RIP: 0033:0x7f86669f6f4a
[ 196.578210][ T5318] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 196.597805][ T5318] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 196.606211][ T5318] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 196.614207][ T5318] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 196.622174][ T5318] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 196.630135][ T5318] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 196.638104][ T5318] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 196.646085][ T5318]
[ 196.652545][ T5318] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 196.665749][ T5318] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 196.975770][ T5320] loop1: detected capacity change from 0 to 32768
[ 197.019252][ T5320] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 197.026978][ T5320] CPU: 0 PID: 5320 Comm: syz.1.148 Not tainted syzkaller #0
[ 197.034286][ T5320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 197.044356][ T5320] Call Trace:
[ 197.047740][ T5320]
[ 197.050686][ T5320] dump_stack_lvl+0x188/0x250
[ 197.055379][ T5320] ? show_regs_print_info+0x20/0x20
[ 197.060586][ T5320] ? load_image+0x410/0x410
[ 197.065111][ T5320] sysfs_create_dir_ns+0x26a/0x290
[ 197.070241][ T5320] ? sysfs_warn_dup+0xa0/0xa0
[ 197.074936][ T5320] ? do_raw_spin_unlock+0x11d/0x230
[ 197.080245][ T5320] kobject_add_internal+0x5ba/0xcd0
[ 197.085458][ T5320] kobject_init_and_add+0x128/0x190
[ 197.090673][ T5320] ? lockdep_softirqs_off+0x430/0x430
[ 197.096066][ T5320] ? kobject_add+0x230/0x230
[ 197.100680][ T5320] ? __init_swait_queue_head+0xa4/0x140
[ 197.106241][ T5320] gfs2_sys_fs_add+0x24f/0x4b0
[ 197.111143][ T5320] ? gfs2_recover_set+0x240/0x240
[ 197.116181][ T5320] ? snprintf+0xe5/0x140
[ 197.120434][ T5320] ? __free_pages+0x95/0x1a0
[ 197.125047][ T5320] ? vscnprintf+0x80/0x80
[ 197.129391][ T5320] gfs2_fill_super+0x11ed/0x1ea0
[ 197.134331][ T5320] ? gfs2_reconfigure+0xd80/0xd80
[ 197.139368][ T5320] ? sb_set_blocksize+0xa5/0xe0
[ 197.144230][ T5320] get_tree_bdev+0x3e6/0x610
[ 197.148808][ T5320] ? gfs2_reconfigure+0xd80/0xd80
[ 197.153820][ T5320] gfs2_get_tree+0x4d/0x1e0
[ 197.158319][ T5320] vfs_get_tree+0x88/0x270
[ 197.162730][ T5320] do_new_mount+0x247/0xa40
[ 197.167247][ T5320] __se_sys_mount+0x2e3/0x3d0
[ 197.171929][ T5320] ? __x64_sys_mount+0xc0/0xc0
[ 197.176926][ T5320] ? lockdep_hardirqs_on+0x94/0x140
[ 197.182127][ T5320] ? __x64_sys_mount+0x1c/0xc0
[ 197.186888][ T5320] do_syscall_64+0x4c/0xa0
[ 197.191902][ T5320] ? clear_bhb_loop+0x30/0x80
[ 197.196655][ T5320] ? clear_bhb_loop+0x30/0x80
[ 197.201409][ T5320] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 197.207317][ T5320] RIP: 0033:0x7f86669f6f4a
[ 197.211755][ T5320] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 197.231667][ T5320] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 197.240100][ T5320] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 197.248077][ T5320] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 197.256143][ T5320] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 197.264204][ T5320] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 197.272180][ T5320] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 197.280308][ T5320]
[ 197.284300][ T5320] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 197.298676][ T5320] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 197.618946][ T5322] loop1: detected capacity change from 0 to 32768
[ 197.668770][ T5322] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 197.676280][ T5322] CPU: 1 PID: 5322 Comm: syz.1.149 Not tainted syzkaller #0
[ 197.683853][ T5322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 197.694027][ T5322] Call Trace:
[ 197.697318][ T5322]
[ 197.700259][ T5322] dump_stack_lvl+0x188/0x250
[ 197.704945][ T5322] ? show_regs_print_info+0x20/0x20
[ 197.710170][ T5322] ? load_image+0x410/0x410
[ 197.714696][ T5322] sysfs_create_dir_ns+0x26a/0x290
[ 197.719821][ T5322] ? sysfs_warn_dup+0xa0/0xa0
[ 197.724508][ T5322] ? do_raw_spin_unlock+0x11d/0x230
[ 197.729726][ T5322] kobject_add_internal+0x5ba/0xcd0
[ 197.735028][ T5322] kobject_init_and_add+0x128/0x190
[ 197.740274][ T5322] ? lockdep_softirqs_off+0x430/0x430
[ 197.745660][ T5322] ? kobject_add+0x230/0x230
[ 197.750250][ T5322] ? __init_swait_queue_head+0xa4/0x140
[ 197.755818][ T5322] gfs2_sys_fs_add+0x24f/0x4b0
[ 197.760591][ T5322] ? gfs2_recover_set+0x240/0x240
[ 197.765756][ T5322] ? snprintf+0xe5/0x140
[ 197.770010][ T5322] ? __free_pages+0x95/0x1a0
[ 197.774599][ T5322] ? vscnprintf+0x80/0x80
[ 197.778925][ T5322] gfs2_fill_super+0x11ed/0x1ea0
[ 197.783857][ T5322] ? gfs2_reconfigure+0xd80/0xd80
[ 197.788884][ T5322] ? sb_set_blocksize+0xa5/0xe0
[ 197.794720][ T5322] get_tree_bdev+0x3e6/0x610
[ 197.799408][ T5322] ? gfs2_reconfigure+0xd80/0xd80
[ 197.804439][ T5322] gfs2_get_tree+0x4d/0x1e0
[ 197.808938][ T5322] vfs_get_tree+0x88/0x270
[ 197.813349][ T5322] do_new_mount+0x247/0xa40
[ 197.817931][ T5322] __se_sys_mount+0x2e3/0x3d0
[ 197.822603][ T5322] ? __x64_sys_mount+0xc0/0xc0
[ 197.827355][ T5322] ? lockdep_hardirqs_on+0x94/0x140
[ 197.832554][ T5322] ? __x64_sys_mount+0x1c/0xc0
[ 197.837436][ T5322] do_syscall_64+0x4c/0xa0
[ 197.841857][ T5322] ? clear_bhb_loop+0x30/0x80
[ 197.846545][ T5322] ? clear_bhb_loop+0x30/0x80
[ 197.851225][ T5322] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 197.857110][ T5322] RIP: 0033:0x7f86669f6f4a
[ 197.861516][ T5322] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 197.881471][ T5322] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 197.889889][ T5322] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 197.897850][ T5322] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 197.905813][ T5322] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 197.913774][ T5322] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 197.921732][ T5322] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 197.929712][ T5322]
[ 197.933880][ T5322] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 197.947266][ T5322] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 198.242631][ T5324] loop1: detected capacity change from 0 to 32768
[ 198.261293][ T5324] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 198.268821][ T5324] CPU: 0 PID: 5324 Comm: syz.1.150 Not tainted syzkaller #0
[ 198.276364][ T5324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 198.286436][ T5324] Call Trace:
[ 198.289744][ T5324]
[ 198.292685][ T5324] dump_stack_lvl+0x188/0x250
[ 198.297375][ T5324] ? show_regs_print_info+0x20/0x20
[ 198.302590][ T5324] ? load_image+0x410/0x410
[ 198.307127][ T5324] sysfs_create_dir_ns+0x26a/0x290
[ 198.312276][ T5324] ? sysfs_warn_dup+0xa0/0xa0
[ 198.316977][ T5324] ? do_raw_spin_unlock+0x11d/0x230
[ 198.322204][ T5324] kobject_add_internal+0x5ba/0xcd0
[ 198.327432][ T5324] kobject_init_and_add+0x128/0x190
[ 198.332652][ T5324] ? lockdep_softirqs_off+0x430/0x430
[ 198.338155][ T5324] ? kobject_add+0x230/0x230
[ 198.342770][ T5324] ? __init_swait_queue_head+0xa4/0x140
[ 198.348345][ T5324] gfs2_sys_fs_add+0x24f/0x4b0
[ 198.353108][ T5324] ? gfs2_recover_set+0x240/0x240
[ 198.358127][ T5324] ? snprintf+0xe5/0x140
[ 198.362365][ T5324] ? __free_pages+0x95/0x1a0
[ 198.366949][ T5324] ? vscnprintf+0x80/0x80
[ 198.371303][ T5324] gfs2_fill_super+0x11ed/0x1ea0
[ 198.376256][ T5324] ? gfs2_reconfigure+0xd80/0xd80
[ 198.381293][ T5324] ? sb_set_blocksize+0xa5/0xe0
[ 198.386129][ T5324] get_tree_bdev+0x3e6/0x610
[ 198.390707][ T5324] ? gfs2_reconfigure+0xd80/0xd80
[ 198.395815][ T5324] gfs2_get_tree+0x4d/0x1e0
[ 198.400303][ T5324] vfs_get_tree+0x88/0x270
[ 198.404722][ T5324] do_new_mount+0x247/0xa40
[ 198.409221][ T5324] __se_sys_mount+0x2e3/0x3d0
[ 198.413911][ T5324] ? __x64_sys_mount+0xc0/0xc0
[ 198.418660][ T5324] ? __x64_sys_mount+0x1c/0xc0
[ 198.423413][ T5324] do_syscall_64+0x4c/0xa0
[ 198.427816][ T5324] ? clear_bhb_loop+0x30/0x80
[ 198.432495][ T5324] ? clear_bhb_loop+0x30/0x80
[ 198.437161][ T5324] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 198.443042][ T5324] RIP: 0033:0x7f86669f6f4a
[ 198.447458][ T5324] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 198.467054][ T5324] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 198.475562][ T5324] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 198.483541][ T5324] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 198.491536][ T5324] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 198.499523][ T5324] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 198.507502][ T5324] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 198.515581][ T5324]
[ 198.519686][ T5324] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 198.532968][ T5324] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 198.841741][ T5326] loop1: detected capacity change from 0 to 32768
[ 198.923500][ T5326] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 198.931087][ T5326] CPU: 1 PID: 5326 Comm: syz.1.151 Not tainted syzkaller #0
[ 198.938424][ T5326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 198.948494][ T5326] Call Trace:
[ 198.951790][ T5326]
[ 198.954741][ T5326] dump_stack_lvl+0x188/0x250
[ 198.959438][ T5326] ? show_regs_print_info+0x20/0x20
[ 198.964661][ T5326] ? load_image+0x410/0x410
[ 198.969306][ T5326] sysfs_create_dir_ns+0x26a/0x290
[ 198.974525][ T5326] ? sysfs_warn_dup+0xa0/0xa0
[ 198.979205][ T5326] ? do_raw_spin_unlock+0x11d/0x230
[ 198.984476][ T5326] kobject_add_internal+0x5ba/0xcd0
[ 198.989705][ T5326] kobject_init_and_add+0x128/0x190
[ 198.994929][ T5326] ? lockdep_softirqs_off+0x430/0x430
[ 199.000293][ T5326] ? kobject_add+0x230/0x230
[ 199.004892][ T5326] ? __init_swait_queue_head+0xa4/0x140
[ 199.010438][ T5326] gfs2_sys_fs_add+0x24f/0x4b0
[ 199.015208][ T5326] ? gfs2_recover_set+0x240/0x240
[ 199.020249][ T5326] ? snprintf+0xe5/0x140
[ 199.024481][ T5326] ? __free_pages+0x95/0x1a0
[ 199.029103][ T5326] ? vscnprintf+0x80/0x80
[ 199.033424][ T5326] gfs2_fill_super+0x11ed/0x1ea0
[ 199.038361][ T5326] ? gfs2_reconfigure+0xd80/0xd80
[ 199.043393][ T5326] ? sb_set_blocksize+0xa5/0xe0
[ 199.048248][ T5326] get_tree_bdev+0x3e6/0x610
[ 199.052842][ T5326] ? gfs2_reconfigure+0xd80/0xd80
[ 199.057938][ T5326] gfs2_get_tree+0x4d/0x1e0
[ 199.062438][ T5326] vfs_get_tree+0x88/0x270
[ 199.067098][ T5326] do_new_mount+0x247/0xa40
[ 199.071590][ T5326] __se_sys_mount+0x2e3/0x3d0
[ 199.076262][ T5326] ? __x64_sys_mount+0xc0/0xc0
[ 199.081111][ T5326] ? lockdep_hardirqs_on+0x94/0x140
[ 199.086290][ T5326] ? __x64_sys_mount+0x1c/0xc0
[ 199.091044][ T5326] do_syscall_64+0x4c/0xa0
[ 199.095441][ T5326] ? clear_bhb_loop+0x30/0x80
[ 199.100096][ T5326] ? clear_bhb_loop+0x30/0x80
[ 199.104755][ T5326] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 199.110643][ T5326] RIP: 0033:0x7f86669f6f4a
[ 199.115040][ T5326] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 199.134623][ T5326] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 199.143018][ T5326] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 199.150976][ T5326] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 199.159016][ T5326] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 199.166985][ T5326] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 199.174941][ T5326] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 199.182909][ T5326]
[ 199.187149][ T5326] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 199.200428][ T5326] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 199.678997][ T5328] loop1: detected capacity change from 0 to 32768
[ 199.702406][ T5328] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 199.719351][ T5328] CPU: 0 PID: 5328 Comm: syz.1.152 Not tainted syzkaller #0
[ 199.726675][ T5328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 199.736742][ T5328] Call Trace:
[ 199.740029][ T5328]
[ 199.742960][ T5328] dump_stack_lvl+0x188/0x250
[ 199.748083][ T5328] ? show_regs_print_info+0x20/0x20
[ 199.753320][ T5328] ? load_image+0x410/0x410
[ 199.757851][ T5328] sysfs_create_dir_ns+0x26a/0x290
[ 199.762977][ T5328] ? sysfs_warn_dup+0xa0/0xa0
[ 199.767689][ T5328] ? do_raw_spin_unlock+0x11d/0x230
[ 199.772941][ T5328] kobject_add_internal+0x5ba/0xcd0
[ 199.778162][ T5328] kobject_init_and_add+0x128/0x190
[ 199.783443][ T5328] ? lockdep_softirqs_off+0x430/0x430
[ 199.788882][ T5328] ? kobject_add+0x230/0x230
[ 199.793670][ T5328] ? __init_swait_queue_head+0xa4/0x140
[ 199.799216][ T5328] gfs2_sys_fs_add+0x24f/0x4b0
[ 199.803979][ T5328] ? gfs2_recover_set+0x240/0x240
[ 199.809014][ T5328] ? snprintf+0xe5/0x140
[ 199.813281][ T5328] ? __free_pages+0x95/0x1a0
[ 199.817879][ T5328] ? vscnprintf+0x80/0x80
[ 199.822216][ T5328] gfs2_fill_super+0x11ed/0x1ea0
[ 199.827157][ T5328] ? gfs2_reconfigure+0xd80/0xd80
[ 199.832181][ T5328] ? sb_set_blocksize+0xa5/0xe0
[ 199.837110][ T5328] get_tree_bdev+0x3e6/0x610
[ 199.841794][ T5328] ? gfs2_reconfigure+0xd80/0xd80
[ 199.847426][ T5328] gfs2_get_tree+0x4d/0x1e0
[ 199.851937][ T5328] vfs_get_tree+0x88/0x270
[ 199.856429][ T5328] do_new_mount+0x247/0xa40
[ 199.861003][ T5328] __se_sys_mount+0x2e3/0x3d0
[ 199.865691][ T5328] ? __x64_sys_mount+0xc0/0xc0
[ 199.870477][ T5328] ? lockdep_hardirqs_on+0x94/0x140
[ 199.875679][ T5328] ? __x64_sys_mount+0x1c/0xc0
[ 199.880441][ T5328] do_syscall_64+0x4c/0xa0
[ 199.884948][ T5328] ? clear_bhb_loop+0x30/0x80
[ 199.889611][ T5328] ? clear_bhb_loop+0x30/0x80
[ 199.894276][ T5328] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 199.900170][ T5328] RIP: 0033:0x7f86669f6f4a
[ 199.904830][ T5328] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 199.924436][ T5328] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 199.932867][ T5328] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 199.940919][ T5328] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 199.948888][ T5328] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 199.956847][ T5328] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 199.964806][ T5328] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 199.972983][ T5328]
[ 199.981795][ T5328] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 199.995914][ T5328] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 200.303802][ T5330] loop1: detected capacity change from 0 to 32768
[ 200.353606][ T5330] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 200.361301][ T5330] CPU: 0 PID: 5330 Comm: syz.1.153 Not tainted syzkaller #0
[ 200.368699][ T5330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 200.378764][ T5330] Call Trace:
[ 200.382150][ T5330]
[ 200.385089][ T5330] dump_stack_lvl+0x188/0x250
[ 200.389779][ T5330] ? show_regs_print_info+0x20/0x20
[ 200.394989][ T5330] ? load_image+0x410/0x410
[ 200.399512][ T5330] sysfs_create_dir_ns+0x26a/0x290
[ 200.404638][ T5330] ? sysfs_warn_dup+0xa0/0xa0
[ 200.409328][ T5330] ? do_raw_spin_unlock+0x11d/0x230
[ 200.414715][ T5330] kobject_add_internal+0x5ba/0xcd0
[ 200.419933][ T5330] kobject_init_and_add+0x128/0x190
[ 200.425151][ T5330] ? lockdep_softirqs_off+0x430/0x430
[ 200.430540][ T5330] ? kobject_add+0x230/0x230
[ 200.435176][ T5330] ? __init_swait_queue_head+0xa4/0x140
[ 200.440726][ T5330] gfs2_sys_fs_add+0x24f/0x4b0
[ 200.445512][ T5330] ? gfs2_recover_set+0x240/0x240
[ 200.450530][ T5330] ? snprintf+0xe5/0x140
[ 200.454915][ T5330] ? __free_pages+0x95/0x1a0
[ 200.459512][ T5330] ? vscnprintf+0x80/0x80
[ 200.463842][ T5330] gfs2_fill_super+0x11ed/0x1ea0
[ 200.468889][ T5330] ? gfs2_reconfigure+0xd80/0xd80
[ 200.473940][ T5330] ? sb_set_blocksize+0xa5/0xe0
[ 200.478777][ T5330] get_tree_bdev+0x3e6/0x610
[ 200.483358][ T5330] ? gfs2_reconfigure+0xd80/0xd80
[ 200.488387][ T5330] gfs2_get_tree+0x4d/0x1e0
[ 200.492873][ T5330] vfs_get_tree+0x88/0x270
[ 200.497513][ T5330] do_new_mount+0x247/0xa40
[ 200.502023][ T5330] __se_sys_mount+0x2e3/0x3d0
[ 200.506701][ T5330] ? __x64_sys_mount+0xc0/0xc0
[ 200.511462][ T5330] ? lockdep_hardirqs_on+0x94/0x140
[ 200.516666][ T5330] ? __x64_sys_mount+0x1c/0xc0
[ 200.521545][ T5330] do_syscall_64+0x4c/0xa0
[ 200.525965][ T5330] ? clear_bhb_loop+0x30/0x80
[ 200.530656][ T5330] ? clear_bhb_loop+0x30/0x80
[ 200.535338][ T5330] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 200.541217][ T5330] RIP: 0033:0x7f86669f6f4a
[ 200.545616][ T5330] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 200.565206][ T5330] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 200.573613][ T5330] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 200.581583][ T5330] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 200.589580][ T5330] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 200.597539][ T5330] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 200.605586][ T5330] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 200.613558][ T5330]
[ 200.617826][ T5330] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 200.630995][ T5330] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 200.923346][ T5332] loop1: detected capacity change from 0 to 32768
[ 200.942423][ T5332] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 200.950722][ T5332] CPU: 0 PID: 5332 Comm: syz.1.154 Not tainted syzkaller #0
[ 200.958032][ T5332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 200.968199][ T5332] Call Trace:
[ 200.971993][ T5332]
[ 200.975277][ T5332] dump_stack_lvl+0x188/0x250
[ 200.980068][ T5332] ? show_regs_print_info+0x20/0x20
[ 200.985289][ T5332] ? load_image+0x410/0x410
[ 200.989823][ T5332] sysfs_create_dir_ns+0x26a/0x290
[ 200.994957][ T5332] ? sysfs_warn_dup+0xa0/0xa0
[ 200.999650][ T5332] ? do_raw_spin_unlock+0x11d/0x230
[ 201.004869][ T5332] kobject_add_internal+0x5ba/0xcd0
[ 201.010099][ T5332] kobject_init_and_add+0x128/0x190
[ 201.015406][ T5332] ? lockdep_softirqs_off+0x430/0x430
[ 201.020805][ T5332] ? kobject_add+0x230/0x230
[ 201.025415][ T5332] ? __init_swait_queue_head+0xa4/0x140
[ 201.030968][ T5332] gfs2_sys_fs_add+0x24f/0x4b0
[ 201.035737][ T5332] ? gfs2_recover_set+0x240/0x240
[ 201.040772][ T5332] ? snprintf+0xe5/0x140
[ 201.045003][ T5332] ? __free_pages+0x95/0x1a0
[ 201.049584][ T5332] ? vscnprintf+0x80/0x80
[ 201.053916][ T5332] gfs2_fill_super+0x11ed/0x1ea0
[ 201.058932][ T5332] ? gfs2_reconfigure+0xd80/0xd80
[ 201.064047][ T5332] ? sb_set_blocksize+0xa5/0xe0
[ 201.068904][ T5332] get_tree_bdev+0x3e6/0x610
[ 201.073481][ T5332] ? gfs2_reconfigure+0xd80/0xd80
[ 201.078515][ T5332] gfs2_get_tree+0x4d/0x1e0
[ 201.083026][ T5332] vfs_get_tree+0x88/0x270
[ 201.087482][ T5332] do_new_mount+0x247/0xa40
[ 201.091993][ T5332] __se_sys_mount+0x2e3/0x3d0
[ 201.096698][ T5332] ? __x64_sys_mount+0xc0/0xc0
[ 201.101472][ T5332] ? lockdep_hardirqs_on+0x94/0x140
[ 201.106671][ T5332] ? __x64_sys_mount+0x1c/0xc0
[ 201.111456][ T5332] do_syscall_64+0x4c/0xa0
[ 201.115881][ T5332] ? clear_bhb_loop+0x30/0x80
[ 201.120579][ T5332] ? clear_bhb_loop+0x30/0x80
[ 201.125334][ T5332] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 201.131218][ T5332] RIP: 0033:0x7f86669f6f4a
[ 201.135629][ T5332] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 201.155223][ T5332] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 201.163627][ T5332] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 201.171604][ T5332] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 201.179565][ T5332] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 201.187534][ T5332] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 201.195671][ T5332] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 201.203646][ T5332]
[ 201.214775][ T5332] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 201.228509][ T5332] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/09/15 01:06:47 executed programs: 140
[ 201.528403][ T5334] loop1: detected capacity change from 0 to 32768
[ 201.577567][ T5334] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 201.585080][ T5334] CPU: 0 PID: 5334 Comm: syz.1.155 Not tainted syzkaller #0
[ 201.592384][ T5334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 201.602639][ T5334] Call Trace:
[ 201.606373][ T5334]
[ 201.609407][ T5334] dump_stack_lvl+0x188/0x250
[ 201.614107][ T5334] ? show_regs_print_info+0x20/0x20
[ 201.619670][ T5334] ? load_image+0x410/0x410
[ 201.624322][ T5334] sysfs_create_dir_ns+0x26a/0x290
[ 201.629475][ T5334] ? sysfs_warn_dup+0xa0/0xa0
[ 201.634170][ T5334] ? do_raw_spin_unlock+0x11d/0x230
[ 201.639387][ T5334] kobject_add_internal+0x5ba/0xcd0
[ 201.644601][ T5334] kobject_init_and_add+0x128/0x190
[ 201.649816][ T5334] ? lockdep_softirqs_off+0x430/0x430
[ 201.655211][ T5334] ? kobject_add+0x230/0x230
[ 201.659858][ T5334] ? __init_swait_queue_head+0xa4/0x140
[ 201.665508][ T5334] gfs2_sys_fs_add+0x24f/0x4b0
[ 201.670304][ T5334] ? gfs2_recover_set+0x240/0x240
[ 201.675340][ T5334] ? snprintf+0xe5/0x140
[ 201.679661][ T5334] ? __free_pages+0x95/0x1a0
[ 201.684266][ T5334] ? vscnprintf+0x80/0x80
[ 201.689122][ T5334] gfs2_fill_super+0x11ed/0x1ea0
[ 201.694069][ T5334] ? gfs2_reconfigure+0xd80/0xd80
[ 201.699105][ T5334] ? sb_set_blocksize+0xa5/0xe0
[ 201.703960][ T5334] get_tree_bdev+0x3e6/0x610
[ 201.708642][ T5334] ? gfs2_reconfigure+0xd80/0xd80
[ 201.713669][ T5334] gfs2_get_tree+0x4d/0x1e0
[ 201.718160][ T5334] vfs_get_tree+0x88/0x270
[ 201.722573][ T5334] do_new_mount+0x247/0xa40
[ 201.727118][ T5334] __se_sys_mount+0x2e3/0x3d0
[ 201.732155][ T5334] ? __x64_sys_mount+0xc0/0xc0
[ 201.737008][ T5334] ? lockdep_hardirqs_on+0x94/0x140
[ 201.742199][ T5334] ? __x64_sys_mount+0x1c/0xc0
[ 201.746955][ T5334] do_syscall_64+0x4c/0xa0
[ 201.751357][ T5334] ? clear_bhb_loop+0x30/0x80
[ 201.756028][ T5334] ? clear_bhb_loop+0x30/0x80
[ 201.760805][ T5334] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 201.766723][ T5334] RIP: 0033:0x7f86669f6f4a
[ 201.771126][ T5334] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 201.790830][ T5334] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 201.800026][ T5334] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 201.808090][ T5334] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 201.816235][ T5334] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 201.824199][ T5334] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 201.832177][ T5334] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 201.840160][ T5334]
[ 201.844397][ T5334] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 201.857581][ T5334] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 202.163734][ T5336] loop1: detected capacity change from 0 to 32768
[ 202.217356][ T5336] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 202.224877][ T5336] CPU: 0 PID: 5336 Comm: syz.1.156 Not tainted syzkaller #0
[ 202.232174][ T5336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 202.242240][ T5336] Call Trace:
[ 202.245532][ T5336]
[ 202.248473][ T5336] dump_stack_lvl+0x188/0x250
[ 202.253172][ T5336] ? show_regs_print_info+0x20/0x20
[ 202.258468][ T5336] ? load_image+0x410/0x410
[ 202.262999][ T5336] sysfs_create_dir_ns+0x26a/0x290
[ 202.268125][ T5336] ? sysfs_warn_dup+0xa0/0xa0
[ 202.272818][ T5336] ? do_raw_spin_unlock+0x11d/0x230
[ 202.278032][ T5336] kobject_add_internal+0x5ba/0xcd0
[ 202.283246][ T5336] kobject_init_and_add+0x128/0x190
[ 202.288495][ T5336] ? lockdep_softirqs_off+0x430/0x430
[ 202.293887][ T5336] ? kobject_add+0x230/0x230
[ 202.298501][ T5336] ? __init_swait_queue_head+0xa4/0x140
[ 202.304080][ T5336] gfs2_sys_fs_add+0x24f/0x4b0
[ 202.308868][ T5336] ? gfs2_recover_set+0x240/0x240
[ 202.313992][ T5336] ? snprintf+0xe5/0x140
[ 202.318232][ T5336] ? __free_pages+0x95/0x1a0
[ 202.322814][ T5336] ? vscnprintf+0x80/0x80
[ 202.327153][ T5336] gfs2_fill_super+0x11ed/0x1ea0
[ 202.332109][ T5336] ? gfs2_reconfigure+0xd80/0xd80
[ 202.337131][ T5336] ? sb_set_blocksize+0xa5/0xe0
[ 202.341985][ T5336] get_tree_bdev+0x3e6/0x610
[ 202.346683][ T5336] ? gfs2_reconfigure+0xd80/0xd80
[ 202.351721][ T5336] gfs2_get_tree+0x4d/0x1e0
[ 202.356215][ T5336] vfs_get_tree+0x88/0x270
[ 202.360624][ T5336] do_new_mount+0x247/0xa40
[ 202.365249][ T5336] __se_sys_mount+0x2e3/0x3d0
[ 202.369922][ T5336] ? __x64_sys_mount+0xc0/0xc0
[ 202.374699][ T5336] ? lockdep_hardirqs_on+0x94/0x140
[ 202.379991][ T5336] ? __x64_sys_mount+0x1c/0xc0
[ 202.384856][ T5336] do_syscall_64+0x4c/0xa0
[ 202.389276][ T5336] ? clear_bhb_loop+0x30/0x80
[ 202.393938][ T5336] ? clear_bhb_loop+0x30/0x80
[ 202.398600][ T5336] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 202.404476][ T5336] RIP: 0033:0x7f86669f6f4a
[ 202.408894][ T5336] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 202.428591][ T5336] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 202.437081][ T5336] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 202.445044][ T5336] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 202.453114][ T5336] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 202.461087][ T5336] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 202.469076][ T5336] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 202.477060][ T5336]
[ 202.485197][ T5336] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 202.498577][ T5336] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 202.809928][ T5338] loop1: detected capacity change from 0 to 32768
[ 202.857277][ T5338] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 202.865604][ T5338] CPU: 0 PID: 5338 Comm: syz.1.157 Not tainted syzkaller #0
[ 202.872908][ T5338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 202.883063][ T5338] Call Trace:
[ 202.886361][ T5338]
[ 202.889308][ T5338] dump_stack_lvl+0x188/0x250
[ 202.894002][ T5338] ? show_regs_print_info+0x20/0x20
[ 202.899317][ T5338] ? load_image+0x410/0x410
[ 202.903859][ T5338] sysfs_create_dir_ns+0x26a/0x290
[ 202.909247][ T5338] ? sysfs_warn_dup+0xa0/0xa0
[ 202.913942][ T5338] ? do_raw_spin_unlock+0x11d/0x230
[ 202.919200][ T5338] kobject_add_internal+0x5ba/0xcd0
[ 202.924607][ T5338] kobject_init_and_add+0x128/0x190
[ 202.929824][ T5338] ? lockdep_softirqs_off+0x430/0x430
[ 202.935212][ T5338] ? kobject_add+0x230/0x230
[ 202.939800][ T5338] ? __init_swait_queue_head+0xa4/0x140
[ 202.945464][ T5338] gfs2_sys_fs_add+0x24f/0x4b0
[ 202.950229][ T5338] ? gfs2_recover_set+0x240/0x240
[ 202.955449][ T5338] ? snprintf+0xe5/0x140
[ 202.959728][ T5338] ? __free_pages+0x95/0x1a0
[ 202.964370][ T5338] ? vscnprintf+0x80/0x80
[ 202.968712][ T5338] gfs2_fill_super+0x11ed/0x1ea0
[ 202.973663][ T5338] ? gfs2_reconfigure+0xd80/0xd80
[ 202.978829][ T5338] ? sb_set_blocksize+0xa5/0xe0
[ 202.983784][ T5338] get_tree_bdev+0x3e6/0x610
[ 202.988368][ T5338] ? gfs2_reconfigure+0xd80/0xd80
[ 202.993578][ T5338] gfs2_get_tree+0x4d/0x1e0
[ 202.998072][ T5338] vfs_get_tree+0x88/0x270
[ 203.002480][ T5338] do_new_mount+0x247/0xa40
[ 203.007039][ T5338] __se_sys_mount+0x2e3/0x3d0
[ 203.011707][ T5338] ? __x64_sys_mount+0xc0/0xc0
[ 203.016456][ T5338] ? lockdep_hardirqs_on+0x94/0x140
[ 203.021727][ T5338] ? __x64_sys_mount+0x1c/0xc0
[ 203.026495][ T5338] do_syscall_64+0x4c/0xa0
[ 203.031089][ T5338] ? clear_bhb_loop+0x30/0x80
[ 203.035784][ T5338] ? clear_bhb_loop+0x30/0x80
[ 203.040531][ T5338] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 203.046609][ T5338] RIP: 0033:0x7f86669f6f4a
[ 203.051008][ T5338] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 203.070996][ T5338] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 203.079406][ T5338] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 203.087410][ T5338] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 203.095406][ T5338] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 203.103459][ T5338] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 203.111617][ T5338] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 203.119584][ T5338]
[ 203.123668][ T5338] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 203.137088][ T5338] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 203.434758][ T5340] loop1: detected capacity change from 0 to 32768
[ 203.522856][ T5340] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 203.531456][ T5340] CPU: 0 PID: 5340 Comm: syz.1.158 Not tainted syzkaller #0
[ 203.538771][ T5340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 203.548914][ T5340] Call Trace:
[ 203.552207][ T5340]
[ 203.555160][ T5340] dump_stack_lvl+0x188/0x250
[ 203.559945][ T5340] ? show_regs_print_info+0x20/0x20
[ 203.565668][ T5340] ? load_image+0x410/0x410
[ 203.570218][ T5340] sysfs_create_dir_ns+0x26a/0x290
[ 203.575439][ T5340] ? sysfs_warn_dup+0xa0/0xa0
[ 203.580259][ T5340] ? do_raw_spin_unlock+0x11d/0x230
[ 203.585541][ T5340] kobject_add_internal+0x5ba/0xcd0
[ 203.590848][ T5340] kobject_init_and_add+0x128/0x190
[ 203.596058][ T5340] ? lockdep_softirqs_off+0x430/0x430
[ 203.601422][ T5340] ? kobject_add+0x230/0x230
[ 203.606011][ T5340] ? __init_swait_queue_head+0xa4/0x140
[ 203.611758][ T5340] gfs2_sys_fs_add+0x24f/0x4b0
[ 203.616531][ T5340] ? gfs2_recover_set+0x240/0x240
[ 203.621550][ T5340] ? snprintf+0xe5/0x140
[ 203.625817][ T5340] ? __free_pages+0x95/0x1a0
[ 203.630403][ T5340] ? vscnprintf+0x80/0x80
[ 203.634753][ T5340] gfs2_fill_super+0x11ed/0x1ea0
[ 203.639688][ T5340] ? gfs2_reconfigure+0xd80/0xd80
[ 203.644737][ T5340] ? sb_set_blocksize+0xa5/0xe0
[ 203.649580][ T5340] get_tree_bdev+0x3e6/0x610
[ 203.654294][ T5340] ? gfs2_reconfigure+0xd80/0xd80
[ 203.659455][ T5340] gfs2_get_tree+0x4d/0x1e0
[ 203.664074][ T5340] vfs_get_tree+0x88/0x270
[ 203.668503][ T5340] do_new_mount+0x247/0xa40
[ 203.673091][ T5340] __se_sys_mount+0x2e3/0x3d0
[ 203.677767][ T5340] ? __x64_sys_mount+0xc0/0xc0
[ 203.682529][ T5340] ? lockdep_hardirqs_on+0x94/0x140
[ 203.687804][ T5340] ? __x64_sys_mount+0x1c/0xc0
[ 203.692677][ T5340] do_syscall_64+0x4c/0xa0
[ 203.697229][ T5340] ? clear_bhb_loop+0x30/0x80
[ 203.701910][ T5340] ? clear_bhb_loop+0x30/0x80
[ 203.706617][ T5340] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 203.712698][ T5340] RIP: 0033:0x7f86669f6f4a
[ 203.717116][ T5340] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 203.736715][ T5340] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 203.745130][ T5340] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 203.753118][ T5340] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 203.761102][ T5340] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 203.769530][ T5340] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 203.777532][ T5340] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 203.785533][ T5340]
[ 203.793908][ T5340] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 203.807679][ T5340] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 204.095923][ T5342] loop1: detected capacity change from 0 to 32768
[ 204.159336][ T5342] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 204.166778][ T5342] CPU: 0 PID: 5342 Comm: syz.1.159 Not tainted syzkaller #0
[ 204.174080][ T5342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 204.184235][ T5342] Call Trace:
[ 204.187559][ T5342]
[ 204.190509][ T5342] dump_stack_lvl+0x188/0x250
[ 204.195299][ T5342] ? show_regs_print_info+0x20/0x20
[ 204.200521][ T5342] ? load_image+0x410/0x410
[ 204.205306][ T5342] sysfs_create_dir_ns+0x26a/0x290
[ 204.210426][ T5342] ? sysfs_warn_dup+0xa0/0xa0
[ 204.215294][ T5342] ? do_raw_spin_unlock+0x11d/0x230
[ 204.220510][ T5342] kobject_add_internal+0x5ba/0xcd0
[ 204.225724][ T5342] kobject_init_and_add+0x128/0x190
[ 204.230938][ T5342] ? lockdep_softirqs_off+0x430/0x430
[ 204.236334][ T5342] ? kobject_add+0x230/0x230
[ 204.240947][ T5342] ? __init_swait_queue_head+0xa4/0x140
[ 204.246513][ T5342] gfs2_sys_fs_add+0x24f/0x4b0
[ 204.251270][ T5342] ? gfs2_recover_set+0x240/0x240
[ 204.256280][ T5342] ? snprintf+0xe5/0x140
[ 204.260590][ T5342] ? __free_pages+0x95/0x1a0
[ 204.265350][ T5342] ? vscnprintf+0x80/0x80
[ 204.269677][ T5342] gfs2_fill_super+0x11ed/0x1ea0
[ 204.274637][ T5342] ? gfs2_reconfigure+0xd80/0xd80
[ 204.279678][ T5342] ? sb_set_blocksize+0xa5/0xe0
[ 204.284541][ T5342] get_tree_bdev+0x3e6/0x610
[ 204.289145][ T5342] ? gfs2_reconfigure+0xd80/0xd80
[ 204.294203][ T5342] gfs2_get_tree+0x4d/0x1e0
[ 204.298936][ T5342] vfs_get_tree+0x88/0x270
[ 204.303349][ T5342] do_new_mount+0x247/0xa40
[ 204.308141][ T5342] __se_sys_mount+0x2e3/0x3d0
[ 204.312833][ T5342] ? __x64_sys_mount+0xc0/0xc0
[ 204.317615][ T5342] ? lockdep_hardirqs_on+0x94/0x140
[ 204.322813][ T5342] ? __x64_sys_mount+0x1c/0xc0
[ 204.327573][ T5342] do_syscall_64+0x4c/0xa0
[ 204.331974][ T5342] ? clear_bhb_loop+0x30/0x80
[ 204.336659][ T5342] ? clear_bhb_loop+0x30/0x80
[ 204.341425][ T5342] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 204.347332][ T5342] RIP: 0033:0x7f86669f6f4a
[ 204.351934][ T5342] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 204.371921][ T5342] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 204.380329][ T5342] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 204.388375][ T5342] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 204.396338][ T5342] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 204.404304][ T5342] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 204.412266][ T5342] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 204.420324][ T5342]
[ 204.424601][ T5342] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 204.438049][ T5342] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 204.746982][ T5344] loop1: detected capacity change from 0 to 32768
[ 204.810824][ T5344] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 204.818237][ T5344] CPU: 0 PID: 5344 Comm: syz.1.160 Not tainted syzkaller #0
[ 204.825533][ T5344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 204.835598][ T5344] Call Trace:
[ 204.838883][ T5344]
[ 204.841813][ T5344] dump_stack_lvl+0x188/0x250
[ 204.846507][ T5344] ? show_regs_print_info+0x20/0x20
[ 204.851719][ T5344] ? load_image+0x410/0x410
[ 204.856247][ T5344] sysfs_create_dir_ns+0x26a/0x290
[ 204.861375][ T5344] ? sysfs_warn_dup+0xa0/0xa0
[ 204.866152][ T5344] ? do_raw_spin_unlock+0x11d/0x230
[ 204.871363][ T5344] kobject_add_internal+0x5ba/0xcd0
[ 204.876573][ T5344] kobject_init_and_add+0x128/0x190
[ 204.881777][ T5344] ? lockdep_softirqs_off+0x430/0x430
[ 204.887151][ T5344] ? kobject_add+0x230/0x230
[ 204.891751][ T5344] ? __init_swait_queue_head+0xa4/0x140
[ 204.897288][ T5344] gfs2_sys_fs_add+0x24f/0x4b0
[ 204.902139][ T5344] ? gfs2_recover_set+0x240/0x240
[ 204.907148][ T5344] ? snprintf+0xe5/0x140
[ 204.911467][ T5344] ? __free_pages+0x95/0x1a0
[ 204.916069][ T5344] ? vscnprintf+0x80/0x80
[ 204.920416][ T5344] gfs2_fill_super+0x11ed/0x1ea0
[ 204.925518][ T5344] ? gfs2_reconfigure+0xd80/0xd80
[ 204.930536][ T5344] ? sb_set_blocksize+0xa5/0xe0
[ 204.935391][ T5344] get_tree_bdev+0x3e6/0x610
[ 204.939973][ T5344] ? gfs2_reconfigure+0xd80/0xd80
[ 204.945199][ T5344] gfs2_get_tree+0x4d/0x1e0
[ 204.949689][ T5344] vfs_get_tree+0x88/0x270
[ 204.954538][ T5344] do_new_mount+0x247/0xa40
[ 204.959102][ T5344] __se_sys_mount+0x2e3/0x3d0
[ 204.963786][ T5344] ? __x64_sys_mount+0xc0/0xc0
[ 204.968545][ T5344] ? lockdep_hardirqs_on+0x94/0x140
[ 204.973756][ T5344] ? __x64_sys_mount+0x1c/0xc0
[ 204.978507][ T5344] do_syscall_64+0x4c/0xa0
[ 204.982916][ T5344] ? clear_bhb_loop+0x30/0x80
[ 204.987591][ T5344] ? clear_bhb_loop+0x30/0x80
[ 204.992278][ T5344] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 204.998174][ T5344] RIP: 0033:0x7f86669f6f4a
[ 205.002579][ T5344] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 205.022183][ T5344] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 205.030587][ T5344] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 205.038724][ T5344] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 205.046789][ T5344] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 205.054766][ T5344] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 205.062735][ T5344] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 205.070736][ T5344]
[ 205.078304][ T5344] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 205.091781][ T5344] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 205.416152][ T5346] loop1: detected capacity change from 0 to 32768
[ 205.461700][ T5346] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 205.470434][ T5346] CPU: 0 PID: 5346 Comm: syz.1.161 Not tainted syzkaller #0
[ 205.477844][ T5346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 205.488000][ T5346] Call Trace:
[ 205.491300][ T5346]
[ 205.494243][ T5346] dump_stack_lvl+0x188/0x250
[ 205.498971][ T5346] ? show_regs_print_info+0x20/0x20
[ 205.504267][ T5346] ? load_image+0x410/0x410
[ 205.508824][ T5346] sysfs_create_dir_ns+0x26a/0x290
[ 205.513955][ T5346] ? sysfs_warn_dup+0xa0/0xa0
[ 205.518732][ T5346] ? do_raw_spin_unlock+0x11d/0x230
[ 205.523957][ T5346] kobject_add_internal+0x5ba/0xcd0
[ 205.529194][ T5346] kobject_init_and_add+0x128/0x190
[ 205.534408][ T5346] ? lockdep_softirqs_off+0x430/0x430
[ 205.539896][ T5346] ? kobject_add+0x230/0x230
[ 205.544603][ T5346] ? __init_swait_queue_head+0xa4/0x140
[ 205.550199][ T5346] gfs2_sys_fs_add+0x24f/0x4b0
[ 205.554969][ T5346] ? gfs2_recover_set+0x240/0x240
[ 205.559990][ T5346] ? snprintf+0xe5/0x140
[ 205.564409][ T5346] ? __free_pages+0x95/0x1a0
[ 205.569001][ T5346] ? vscnprintf+0x80/0x80
[ 205.573439][ T5346] gfs2_fill_super+0x11ed/0x1ea0
[ 205.578367][ T5346] ? gfs2_reconfigure+0xd80/0xd80
[ 205.583473][ T5346] ? sb_set_blocksize+0xa5/0xe0
[ 205.588315][ T5346] get_tree_bdev+0x3e6/0x610
[ 205.593000][ T5346] ? gfs2_reconfigure+0xd80/0xd80
[ 205.598012][ T5346] gfs2_get_tree+0x4d/0x1e0
[ 205.602498][ T5346] vfs_get_tree+0x88/0x270
[ 205.606983][ T5346] do_new_mount+0x247/0xa40
[ 205.611466][ T5346] __se_sys_mount+0x2e3/0x3d0
[ 205.616140][ T5346] ? __x64_sys_mount+0xc0/0xc0
[ 205.620881][ T5346] ? lockdep_hardirqs_on+0x94/0x140
[ 205.626068][ T5346] ? __x64_sys_mount+0x1c/0xc0
[ 205.630835][ T5346] do_syscall_64+0x4c/0xa0
[ 205.635269][ T5346] ? clear_bhb_loop+0x30/0x80
[ 205.639931][ T5346] ? clear_bhb_loop+0x30/0x80
[ 205.644691][ T5346] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 205.650566][ T5346] RIP: 0033:0x7f86669f6f4a
[ 205.654965][ T5346] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 205.674640][ T5346] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 205.683085][ T5346] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 205.691043][ T5346] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 205.699088][ T5346] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 205.707179][ T5346] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 205.715218][ T5346] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 205.723208][ T5346]
[ 205.727780][ T5346] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 205.741046][ T5346] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 206.043886][ T5348] loop1: detected capacity change from 0 to 32768
[ 206.111303][ T5348] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 206.118749][ T5348] CPU: 1 PID: 5348 Comm: syz.1.162 Not tainted syzkaller #0
[ 206.126330][ T5348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 206.136576][ T5348] Call Trace:
[ 206.139871][ T5348]
[ 206.142819][ T5348] dump_stack_lvl+0x188/0x250
[ 206.147524][ T5348] ? show_regs_print_info+0x20/0x20
[ 206.152731][ T5348] ? load_image+0x410/0x410
[ 206.157258][ T5348] sysfs_create_dir_ns+0x26a/0x290
[ 206.162390][ T5348] ? sysfs_warn_dup+0xa0/0xa0
[ 206.167175][ T5348] ? do_raw_spin_unlock+0x11d/0x230
[ 206.172397][ T5348] kobject_add_internal+0x5ba/0xcd0
[ 206.177612][ T5348] kobject_init_and_add+0x128/0x190
[ 206.182827][ T5348] ? lockdep_softirqs_off+0x430/0x430
[ 206.188229][ T5348] ? kobject_add+0x230/0x230
[ 206.192847][ T5348] ? __init_swait_queue_head+0xa4/0x140
[ 206.198613][ T5348] gfs2_sys_fs_add+0x24f/0x4b0
[ 206.203484][ T5348] ? gfs2_recover_set+0x240/0x240
[ 206.208518][ T5348] ? snprintf+0xe5/0x140
[ 206.212761][ T5348] ? __free_pages+0x95/0x1a0
[ 206.217364][ T5348] ? vscnprintf+0x80/0x80
[ 206.221702][ T5348] gfs2_fill_super+0x11ed/0x1ea0
[ 206.226735][ T5348] ? gfs2_reconfigure+0xd80/0xd80
[ 206.231783][ T5348] ? sb_set_blocksize+0xa5/0xe0
[ 206.236652][ T5348] get_tree_bdev+0x3e6/0x610
[ 206.241313][ T5348] ? gfs2_reconfigure+0xd80/0xd80
[ 206.246342][ T5348] gfs2_get_tree+0x4d/0x1e0
[ 206.250843][ T5348] vfs_get_tree+0x88/0x270
[ 206.255250][ T5348] do_new_mount+0x247/0xa40
[ 206.259746][ T5348] __se_sys_mount+0x2e3/0x3d0
[ 206.264432][ T5348] ? __x64_sys_mount+0xc0/0xc0
[ 206.269434][ T5348] ? lockdep_hardirqs_on+0x94/0x140
[ 206.274778][ T5348] ? __x64_sys_mount+0x1c/0xc0
[ 206.279757][ T5348] do_syscall_64+0x4c/0xa0
[ 206.284206][ T5348] ? clear_bhb_loop+0x30/0x80
[ 206.288883][ T5348] ? clear_bhb_loop+0x30/0x80
[ 206.293544][ T5348] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 206.299426][ T5348] RIP: 0033:0x7f86669f6f4a
[ 206.303855][ T5348] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 206.323468][ T5348] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 206.331872][ T5348] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 206.339836][ T5348] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 206.347995][ T5348] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 206.355980][ T5348] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 206.363951][ T5348] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 206.371942][ T5348]
[ 206.376198][ T5348] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 206.389393][ T5348] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/09/15 01:06:52 executed programs: 148
[ 206.695158][ T5350] loop1: detected capacity change from 0 to 32768
[ 206.758244][ T5350] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 206.765815][ T5350] CPU: 0 PID: 5350 Comm: syz.1.163 Not tainted syzkaller #0
[ 206.773133][ T5350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 206.783400][ T5350] Call Trace:
[ 206.786697][ T5350]
[ 206.789631][ T5350] dump_stack_lvl+0x188/0x250
[ 206.794328][ T5350] ? show_regs_print_info+0x20/0x20
[ 206.799551][ T5350] ? load_image+0x410/0x410
[ 206.804082][ T5350] sysfs_create_dir_ns+0x26a/0x290
[ 206.809242][ T5350] ? sysfs_warn_dup+0xa0/0xa0
[ 206.813930][ T5350] ? do_raw_spin_unlock+0x11d/0x230
[ 206.819178][ T5350] kobject_add_internal+0x5ba/0xcd0
[ 206.824391][ T5350] kobject_init_and_add+0x128/0x190
[ 206.829685][ T5350] ? lockdep_softirqs_off+0x430/0x430
[ 206.835047][ T5350] ? kobject_add+0x230/0x230
[ 206.839627][ T5350] ? __init_swait_queue_head+0xa4/0x140
[ 206.845181][ T5350] gfs2_sys_fs_add+0x24f/0x4b0
[ 206.849932][ T5350] ? gfs2_recover_set+0x240/0x240
[ 206.855058][ T5350] ? snprintf+0xe5/0x140
[ 206.859291][ T5350] ? __free_pages+0x95/0x1a0
[ 206.863880][ T5350] ? vscnprintf+0x80/0x80
[ 206.868226][ T5350] gfs2_fill_super+0x11ed/0x1ea0
[ 206.873162][ T5350] ? gfs2_reconfigure+0xd80/0xd80
[ 206.878260][ T5350] ? sb_set_blocksize+0xa5/0xe0
[ 206.883093][ T5350] get_tree_bdev+0x3e6/0x610
[ 206.887767][ T5350] ? gfs2_reconfigure+0xd80/0xd80
[ 206.892771][ T5350] gfs2_get_tree+0x4d/0x1e0
[ 206.897255][ T5350] vfs_get_tree+0x88/0x270
[ 206.901651][ T5350] do_new_mount+0x247/0xa40
[ 206.906151][ T5350] __se_sys_mount+0x2e3/0x3d0
[ 206.910810][ T5350] ? __x64_sys_mount+0xc0/0xc0
[ 206.915642][ T5350] ? lockdep_hardirqs_on+0x94/0x140
[ 206.920821][ T5350] ? __x64_sys_mount+0x1c/0xc0
[ 206.925570][ T5350] do_syscall_64+0x4c/0xa0
[ 206.929985][ T5350] ? clear_bhb_loop+0x30/0x80
[ 206.934659][ T5350] ? clear_bhb_loop+0x30/0x80
[ 206.939414][ T5350] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 206.945349][ T5350] RIP: 0033:0x7f86669f6f4a
[ 206.949782][ T5350] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 206.969653][ T5350] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 206.978061][ T5350] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 206.986237][ T5350] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 206.994288][ T5350] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 207.002251][ T5350] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 207.010518][ T5350] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 207.018703][ T5350]
[ 207.023156][ T5350] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 207.036493][ T5350] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 207.321539][ T5352] loop1: detected capacity change from 0 to 32768
[ 207.377349][ T5352] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 207.384884][ T5352] CPU: 0 PID: 5352 Comm: syz.1.164 Not tainted syzkaller #0
[ 207.392190][ T5352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 207.402264][ T5352] Call Trace:
[ 207.405551][ T5352]
[ 207.408482][ T5352] dump_stack_lvl+0x188/0x250
[ 207.413183][ T5352] ? show_regs_print_info+0x20/0x20
[ 207.418405][ T5352] ? load_image+0x410/0x410
[ 207.423016][ T5352] sysfs_create_dir_ns+0x26a/0x290
[ 207.428166][ T5352] ? sysfs_warn_dup+0xa0/0xa0
[ 207.432861][ T5352] ? do_raw_spin_unlock+0x11d/0x230
[ 207.438094][ T5352] kobject_add_internal+0x5ba/0xcd0
[ 207.443376][ T5352] kobject_init_and_add+0x128/0x190
[ 207.448596][ T5352] ? lockdep_softirqs_off+0x430/0x430
[ 207.454009][ T5352] ? kobject_add+0x230/0x230
[ 207.458619][ T5352] ? __init_swait_queue_head+0xa4/0x140
[ 207.464164][ T5352] gfs2_sys_fs_add+0x24f/0x4b0
[ 207.469095][ T5352] ? gfs2_recover_set+0x240/0x240
[ 207.474223][ T5352] ? snprintf+0xe5/0x140
[ 207.478469][ T5352] ? __free_pages+0x95/0x1a0
[ 207.483073][ T5352] ? vscnprintf+0x80/0x80
[ 207.487423][ T5352] gfs2_fill_super+0x11ed/0x1ea0
[ 207.492352][ T5352] ? gfs2_reconfigure+0xd80/0xd80
[ 207.497405][ T5352] ? sb_set_blocksize+0xa5/0xe0
[ 207.502256][ T5352] get_tree_bdev+0x3e6/0x610
[ 207.506835][ T5352] ? gfs2_reconfigure+0xd80/0xd80
[ 207.511843][ T5352] gfs2_get_tree+0x4d/0x1e0
[ 207.516346][ T5352] vfs_get_tree+0x88/0x270
[ 207.520856][ T5352] do_new_mount+0x247/0xa40
[ 207.525369][ T5352] __se_sys_mount+0x2e3/0x3d0
[ 207.530042][ T5352] ? __x64_sys_mount+0xc0/0xc0
[ 207.534793][ T5352] ? lockdep_hardirqs_on+0x94/0x140
[ 207.540059][ T5352] ? __x64_sys_mount+0x1c/0xc0
[ 207.544824][ T5352] do_syscall_64+0x4c/0xa0
[ 207.549221][ T5352] ? clear_bhb_loop+0x30/0x80
[ 207.553875][ T5352] ? clear_bhb_loop+0x30/0x80
[ 207.558534][ T5352] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 207.564414][ T5352] RIP: 0033:0x7f86669f6f4a
[ 207.568945][ T5352] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 207.588542][ T5352] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 207.596945][ T5352] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 207.604993][ T5352] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 207.612955][ T5352] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 207.621713][ T5352] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 207.629671][ T5352] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 207.637636][ T5352]
[ 207.645056][ T5352] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 207.658478][ T5352] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 207.943376][ T5354] loop1: detected capacity change from 0 to 32768
[ 207.960469][ T5354] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 207.967881][ T5354] CPU: 0 PID: 5354 Comm: syz.1.165 Not tainted syzkaller #0
[ 207.975312][ T5354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 207.985398][ T5354] Call Trace:
[ 207.988691][ T5354]
[ 207.991630][ T5354] dump_stack_lvl+0x188/0x250
[ 207.996328][ T5354] ? show_regs_print_info+0x20/0x20
[ 208.001556][ T5354] ? load_image+0x410/0x410
[ 208.006085][ T5354] sysfs_create_dir_ns+0x26a/0x290
[ 208.011214][ T5354] ? sysfs_warn_dup+0xa0/0xa0
[ 208.015902][ T5354] ? do_raw_spin_unlock+0x11d/0x230
[ 208.021169][ T5354] kobject_add_internal+0x5ba/0xcd0
[ 208.026381][ T5354] kobject_init_and_add+0x128/0x190
[ 208.031612][ T5354] ? lockdep_softirqs_off+0x430/0x430
[ 208.036996][ T5354] ? kobject_add+0x230/0x230
[ 208.041582][ T5354] ? __init_swait_queue_head+0xa4/0x140
[ 208.047224][ T5354] gfs2_sys_fs_add+0x24f/0x4b0
[ 208.052074][ T5354] ? gfs2_recover_set+0x240/0x240
[ 208.057179][ T5354] ? snprintf+0xe5/0x140
[ 208.061442][ T5354] ? __free_pages+0x95/0x1a0
[ 208.066029][ T5354] ? vscnprintf+0x80/0x80
[ 208.070376][ T5354] gfs2_fill_super+0x11ed/0x1ea0
[ 208.075301][ T5354] ? gfs2_reconfigure+0xd80/0xd80
[ 208.080450][ T5354] ? sb_set_blocksize+0xa5/0xe0
[ 208.085390][ T5354] get_tree_bdev+0x3e6/0x610
[ 208.089988][ T5354] ? gfs2_reconfigure+0xd80/0xd80
[ 208.095077][ T5354] gfs2_get_tree+0x4d/0x1e0
[ 208.099585][ T5354] vfs_get_tree+0x88/0x270
[ 208.104021][ T5354] do_new_mount+0x247/0xa40
[ 208.108708][ T5354] __se_sys_mount+0x2e3/0x3d0
[ 208.113372][ T5354] ? __x64_sys_mount+0xc0/0xc0
[ 208.118139][ T5354] ? lockdep_hardirqs_on+0x94/0x140
[ 208.123322][ T5354] ? __x64_sys_mount+0x1c/0xc0
[ 208.128076][ T5354] do_syscall_64+0x4c/0xa0
[ 208.132618][ T5354] ? clear_bhb_loop+0x30/0x80
[ 208.137309][ T5354] ? clear_bhb_loop+0x30/0x80
[ 208.141972][ T5354] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 208.147864][ T5354] RIP: 0033:0x7f86669f6f4a
[ 208.152273][ T5354] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 208.172121][ T5354] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 208.180533][ T5354] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 208.188597][ T5354] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 208.196682][ T5354] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 208.204673][ T5354] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 208.212644][ T5354] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 208.220622][ T5354]
[ 208.224321][ T5354] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 208.237851][ T5354] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 208.551943][ T5356] loop1: detected capacity change from 0 to 32768
[ 208.597724][ T5356] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 208.605218][ T5356] CPU: 0 PID: 5356 Comm: syz.1.166 Not tainted syzkaller #0
[ 208.612511][ T5356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 208.622571][ T5356] Call Trace:
[ 208.625873][ T5356]
[ 208.628829][ T5356] dump_stack_lvl+0x188/0x250
[ 208.633533][ T5356] ? show_regs_print_info+0x20/0x20
[ 208.638740][ T5356] ? load_image+0x410/0x410
[ 208.643285][ T5356] sysfs_create_dir_ns+0x26a/0x290
[ 208.648422][ T5356] ? sysfs_warn_dup+0xa0/0xa0
[ 208.653111][ T5356] ? do_raw_spin_unlock+0x11d/0x230
[ 208.658350][ T5356] kobject_add_internal+0x5ba/0xcd0
[ 208.663563][ T5356] kobject_init_and_add+0x128/0x190
[ 208.668785][ T5356] ? lockdep_softirqs_off+0x430/0x430
[ 208.674203][ T5356] ? kobject_add+0x230/0x230
[ 208.678903][ T5356] ? __init_swait_queue_head+0xa4/0x140
[ 208.684554][ T5356] gfs2_sys_fs_add+0x24f/0x4b0
[ 208.689376][ T5356] ? gfs2_recover_set+0x240/0x240
[ 208.694412][ T5356] ? snprintf+0xe5/0x140
[ 208.698643][ T5356] ? __free_pages+0x95/0x1a0
[ 208.703213][ T5356] ? vscnprintf+0x80/0x80
[ 208.707725][ T5356] gfs2_fill_super+0x11ed/0x1ea0
[ 208.712676][ T5356] ? gfs2_reconfigure+0xd80/0xd80
[ 208.717794][ T5356] ? sb_set_blocksize+0xa5/0xe0
[ 208.722630][ T5356] get_tree_bdev+0x3e6/0x610
[ 208.727308][ T5356] ? gfs2_reconfigure+0xd80/0xd80
[ 208.732320][ T5356] gfs2_get_tree+0x4d/0x1e0
[ 208.736810][ T5356] vfs_get_tree+0x88/0x270
[ 208.741216][ T5356] do_new_mount+0x247/0xa40
[ 208.745728][ T5356] __se_sys_mount+0x2e3/0x3d0
[ 208.750394][ T5356] ? __x64_sys_mount+0xc0/0xc0
[ 208.755155][ T5356] ? lockdep_hardirqs_on+0x94/0x140
[ 208.760355][ T5356] ? __x64_sys_mount+0x1c/0xc0
[ 208.765099][ T5356] do_syscall_64+0x4c/0xa0
[ 208.769498][ T5356] ? clear_bhb_loop+0x30/0x80
[ 208.774168][ T5356] ? clear_bhb_loop+0x30/0x80
[ 208.778824][ T5356] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 208.784700][ T5356] RIP: 0033:0x7f86669f6f4a
[ 208.789139][ T5356] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 208.808740][ T5356] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 208.817141][ T5356] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 208.825101][ T5356] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 208.833108][ T5356] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 208.841081][ T5356] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 208.849060][ T5356] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 208.857157][ T5356]
[ 208.861635][ T5356] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 208.874907][ T5356] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 209.171089][ T5358] loop1: detected capacity change from 0 to 32768
[ 209.214423][ T5358] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 209.226621][ T5358] CPU: 1 PID: 5358 Comm: syz.1.167 Not tainted syzkaller #0
[ 209.233953][ T5358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 209.244027][ T5358] Call Trace:
[ 209.247328][ T5358]
[ 209.250264][ T5358] dump_stack_lvl+0x188/0x250
[ 209.254962][ T5358] ? show_regs_print_info+0x20/0x20
[ 209.260182][ T5358] ? load_image+0x410/0x410
[ 209.264721][ T5358] sysfs_create_dir_ns+0x26a/0x290
[ 209.269844][ T5358] ? sysfs_warn_dup+0xa0/0xa0
[ 209.274535][ T5358] ? do_raw_spin_unlock+0x11d/0x230
[ 209.279752][ T5358] kobject_add_internal+0x5ba/0xcd0
[ 209.285020][ T5358] kobject_init_and_add+0x128/0x190
[ 209.290327][ T5358] ? lockdep_softirqs_off+0x430/0x430
[ 209.295729][ T5358] ? kobject_add+0x230/0x230
[ 209.300400][ T5358] ? __init_swait_queue_head+0xa4/0x140
[ 209.305960][ T5358] gfs2_sys_fs_add+0x24f/0x4b0
[ 209.310719][ T5358] ? gfs2_recover_set+0x240/0x240
[ 209.315737][ T5358] ? snprintf+0xe5/0x140
[ 209.319974][ T5358] ? __free_pages+0x95/0x1a0
[ 209.324564][ T5358] ? vscnprintf+0x80/0x80
[ 209.328980][ T5358] gfs2_fill_super+0x11ed/0x1ea0
[ 209.333909][ T5358] ? gfs2_reconfigure+0xd80/0xd80
[ 209.339027][ T5358] ? sb_set_blocksize+0xa5/0xe0
[ 209.343867][ T5358] get_tree_bdev+0x3e6/0x610
[ 209.348529][ T5358] ? gfs2_reconfigure+0xd80/0xd80
[ 209.353534][ T5358] gfs2_get_tree+0x4d/0x1e0
[ 209.358041][ T5358] vfs_get_tree+0x88/0x270
[ 209.362469][ T5358] do_new_mount+0x247/0xa40
[ 209.367070][ T5358] __se_sys_mount+0x2e3/0x3d0
[ 209.371825][ T5358] ? __x64_sys_mount+0xc0/0xc0
[ 209.376839][ T5358] ? lockdep_hardirqs_on+0x94/0x140
[ 209.382037][ T5358] ? __x64_sys_mount+0x1c/0xc0
[ 209.386844][ T5358] do_syscall_64+0x4c/0xa0
[ 209.391288][ T5358] ? clear_bhb_loop+0x30/0x80
[ 209.395955][ T5358] ? clear_bhb_loop+0x30/0x80
[ 209.400729][ T5358] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 209.406656][ T5358] RIP: 0033:0x7f86669f6f4a
[ 209.411069][ T5358] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 209.430765][ T5358] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 209.439363][ T5358] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 209.447604][ T5358] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 209.455573][ T5358] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 209.463540][ T5358] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 209.471503][ T5358] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 209.479891][ T5358]
[ 209.483969][ T5358] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 209.497184][ T5358] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 209.790415][ T5360] loop1: detected capacity change from 0 to 32768
[ 209.840367][ T5360] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 209.847780][ T5360] CPU: 1 PID: 5360 Comm: syz.1.168 Not tainted syzkaller #0
[ 209.855077][ T5360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 209.865146][ T5360] Call Trace:
[ 209.868437][ T5360]
[ 209.871368][ T5360] dump_stack_lvl+0x188/0x250
[ 209.876151][ T5360] ? show_regs_print_info+0x20/0x20
[ 209.881367][ T5360] ? load_image+0x410/0x410
[ 209.885896][ T5360] sysfs_create_dir_ns+0x26a/0x290
[ 209.891024][ T5360] ? sysfs_warn_dup+0xa0/0xa0
[ 209.895717][ T5360] ? do_raw_spin_unlock+0x11d/0x230
[ 209.900936][ T5360] kobject_add_internal+0x5ba/0xcd0
[ 209.906159][ T5360] kobject_init_and_add+0x128/0x190
[ 209.911408][ T5360] ? lockdep_softirqs_off+0x430/0x430
[ 209.916793][ T5360] ? kobject_add+0x230/0x230
[ 209.921407][ T5360] ? __init_swait_queue_head+0xa4/0x140
[ 209.926950][ T5360] gfs2_sys_fs_add+0x24f/0x4b0
[ 209.931713][ T5360] ? gfs2_recover_set+0x240/0x240
[ 209.936721][ T5360] ? snprintf+0xe5/0x140
[ 209.940965][ T5360] ? __free_pages+0x95/0x1a0
[ 209.945542][ T5360] ? vscnprintf+0x80/0x80
[ 209.949867][ T5360] gfs2_fill_super+0x11ed/0x1ea0
[ 209.954840][ T5360] ? gfs2_reconfigure+0xd80/0xd80
[ 209.959877][ T5360] ? sb_set_blocksize+0xa5/0xe0
[ 209.965342][ T5360] get_tree_bdev+0x3e6/0x610
[ 209.969921][ T5360] ? gfs2_reconfigure+0xd80/0xd80
[ 209.974955][ T5360] gfs2_get_tree+0x4d/0x1e0
[ 209.979457][ T5360] vfs_get_tree+0x88/0x270
[ 209.983878][ T5360] do_new_mount+0x247/0xa40
[ 209.988375][ T5360] __se_sys_mount+0x2e3/0x3d0
[ 209.993154][ T5360] ? __x64_sys_mount+0xc0/0xc0
[ 209.997904][ T5360] ? lockdep_hardirqs_on+0x94/0x140
[ 210.003116][ T5360] ? __x64_sys_mount+0x1c/0xc0
[ 210.007869][ T5360] do_syscall_64+0x4c/0xa0
[ 210.012267][ T5360] ? clear_bhb_loop+0x30/0x80
[ 210.016926][ T5360] ? clear_bhb_loop+0x30/0x80
[ 210.021584][ T5360] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 210.027489][ T5360] RIP: 0033:0x7f86669f6f4a
[ 210.031893][ T5360] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 210.051506][ T5360] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 210.059981][ T5360] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 210.068088][ T5360] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 210.076058][ T5360] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 210.084015][ T5360] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 210.091983][ T5360] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 210.099961][ T5360]
[ 210.104262][ T5360] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 210.117740][ T5360] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 210.451659][ T5362] loop1: detected capacity change from 0 to 32768
[ 210.494965][ T5362] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 210.502549][ T5362] CPU: 0 PID: 5362 Comm: syz.1.169 Not tainted syzkaller #0
[ 210.509938][ T5362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 210.520020][ T5362] Call Trace:
[ 210.523311][ T5362]
[ 210.526255][ T5362] dump_stack_lvl+0x188/0x250
[ 210.530949][ T5362] ? show_regs_print_info+0x20/0x20
[ 210.536263][ T5362] ? load_image+0x410/0x410
[ 210.540785][ T5362] sysfs_create_dir_ns+0x26a/0x290
[ 210.545916][ T5362] ? sysfs_warn_dup+0xa0/0xa0
[ 210.550640][ T5362] ? do_raw_spin_unlock+0x11d/0x230
[ 210.555859][ T5362] kobject_add_internal+0x5ba/0xcd0
[ 210.561075][ T5362] kobject_init_and_add+0x128/0x190
[ 210.566286][ T5362] ? lockdep_softirqs_off+0x430/0x430
[ 210.571675][ T5362] ? kobject_add+0x230/0x230
[ 210.576294][ T5362] ? __init_swait_queue_head+0xa4/0x140
[ 210.581873][ T5362] gfs2_sys_fs_add+0x24f/0x4b0
[ 210.586637][ T5362] ? gfs2_recover_set+0x240/0x240
[ 210.591657][ T5362] ? snprintf+0xe5/0x140
[ 210.595898][ T5362] ? __free_pages+0x95/0x1a0
[ 210.600478][ T5362] ? vscnprintf+0x80/0x80
[ 210.604883][ T5362] gfs2_fill_super+0x11ed/0x1ea0
[ 210.609817][ T5362] ? gfs2_reconfigure+0xd80/0xd80
[ 210.614852][ T5362] ? sb_set_blocksize+0xa5/0xe0
[ 210.619702][ T5362] get_tree_bdev+0x3e6/0x610
[ 210.624291][ T5362] ? gfs2_reconfigure+0xd80/0xd80
[ 210.629331][ T5362] gfs2_get_tree+0x4d/0x1e0
[ 210.633832][ T5362] vfs_get_tree+0x88/0x270
[ 210.638231][ T5362] do_new_mount+0x247/0xa40
[ 210.642722][ T5362] __se_sys_mount+0x2e3/0x3d0
[ 210.647405][ T5362] ? __x64_sys_mount+0xc0/0xc0
[ 210.652177][ T5362] ? lockdep_hardirqs_on+0x94/0x140
[ 210.657360][ T5362] ? __x64_sys_mount+0x1c/0xc0
[ 210.662110][ T5362] do_syscall_64+0x4c/0xa0
[ 210.666514][ T5362] ? clear_bhb_loop+0x30/0x80
[ 210.671211][ T5362] ? clear_bhb_loop+0x30/0x80
[ 210.675902][ T5362] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 210.681890][ T5362] RIP: 0033:0x7f86669f6f4a
[ 210.686388][ T5362] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 210.706151][ T5362] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 210.714582][ T5362] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 210.722541][ T5362] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 210.730499][ T5362] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 210.738487][ T5362] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 210.746444][ T5362] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 210.754421][ T5362]
[ 210.758791][ T5362] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 210.772230][ T5362] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 211.078573][ T5364] loop1: detected capacity change from 0 to 32768
[ 211.147938][ T5364] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 211.155708][ T5364] CPU: 1 PID: 5364 Comm: syz.1.170 Not tainted syzkaller #0
[ 211.163021][ T5364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 211.173093][ T5364] Call Trace:
[ 211.176446][ T5364]
[ 211.179391][ T5364] dump_stack_lvl+0x188/0x250
[ 211.184095][ T5364] ? show_regs_print_info+0x20/0x20
[ 211.189396][ T5364] ? load_image+0x410/0x410
[ 211.194013][ T5364] sysfs_create_dir_ns+0x26a/0x290
[ 211.199144][ T5364] ? sysfs_warn_dup+0xa0/0xa0
[ 211.203840][ T5364] ? do_raw_spin_unlock+0x11d/0x230
[ 211.209064][ T5364] kobject_add_internal+0x5ba/0xcd0
[ 211.214276][ T5364] kobject_init_and_add+0x128/0x190
[ 211.219495][ T5364] ? lockdep_softirqs_off+0x430/0x430
[ 211.224922][ T5364] ? kobject_add+0x230/0x230
[ 211.229532][ T5364] ? __init_swait_queue_head+0xa4/0x140
[ 211.235352][ T5364] gfs2_sys_fs_add+0x24f/0x4b0
[ 211.240113][ T5364] ? gfs2_recover_set+0x240/0x240
[ 211.245165][ T5364] ? snprintf+0xe5/0x140
[ 211.249388][ T5364] ? __free_pages+0x95/0x1a0
[ 211.253962][ T5364] ? vscnprintf+0x80/0x80
[ 211.258482][ T5364] gfs2_fill_super+0x11ed/0x1ea0
[ 211.263424][ T5364] ? gfs2_reconfigure+0xd80/0xd80
[ 211.268474][ T5364] ? sb_set_blocksize+0xa5/0xe0
[ 211.273399][ T5364] get_tree_bdev+0x3e6/0x610
[ 211.277973][ T5364] ? gfs2_reconfigure+0xd80/0xd80
[ 211.282989][ T5364] gfs2_get_tree+0x4d/0x1e0
[ 211.287476][ T5364] vfs_get_tree+0x88/0x270
[ 211.291875][ T5364] do_new_mount+0x247/0xa40
[ 211.296363][ T5364] __se_sys_mount+0x2e3/0x3d0
[ 211.301020][ T5364] ? __x64_sys_mount+0xc0/0xc0
[ 211.305760][ T5364] ? lockdep_hardirqs_on+0x94/0x140
[ 211.310946][ T5364] ? __x64_sys_mount+0x1c/0xc0
[ 211.315818][ T5364] do_syscall_64+0x4c/0xa0
[ 211.320275][ T5364] ? clear_bhb_loop+0x30/0x80
[ 211.324955][ T5364] ? clear_bhb_loop+0x30/0x80
[ 211.329705][ T5364] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 211.335592][ T5364] RIP: 0033:0x7f86669f6f4a
[ 211.340004][ T5364] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 211.359623][ T5364] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 211.368043][ T5364] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 211.376016][ T5364] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 211.383969][ T5364] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 211.391920][ T5364] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 211.399868][ T5364] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 211.407825][ T5364]
[ 211.415551][ T5364] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 211.428748][ T5364] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/09/15 01:06:57 executed programs: 156
[ 211.728678][ T5366] loop1: detected capacity change from 0 to 32768
[ 211.777224][ T5366] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 211.784803][ T5366] CPU: 1 PID: 5366 Comm: syz.1.171 Not tainted syzkaller #0
[ 211.792150][ T5366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 211.802222][ T5366] Call Trace:
[ 211.805516][ T5366]
[ 211.808470][ T5366] dump_stack_lvl+0x188/0x250
[ 211.813167][ T5366] ? show_regs_print_info+0x20/0x20
[ 211.818384][ T5366] ? load_image+0x410/0x410
[ 211.822926][ T5366] sysfs_create_dir_ns+0x26a/0x290
[ 211.828056][ T5366] ? sysfs_warn_dup+0xa0/0xa0
[ 211.832743][ T5366] ? do_raw_spin_unlock+0x11d/0x230
[ 211.838054][ T5366] kobject_add_internal+0x5ba/0xcd0
[ 211.843287][ T5366] kobject_init_and_add+0x128/0x190
[ 211.848606][ T5366] ? lockdep_softirqs_off+0x430/0x430
[ 211.854118][ T5366] ? kobject_add+0x230/0x230
[ 211.858717][ T5366] ? __init_swait_queue_head+0xa4/0x140
[ 211.864275][ T5366] gfs2_sys_fs_add+0x24f/0x4b0
[ 211.869038][ T5366] ? gfs2_recover_set+0x240/0x240
[ 211.874065][ T5366] ? snprintf+0xe5/0x140
[ 211.878316][ T5366] ? __free_pages+0x95/0x1a0
[ 211.882891][ T5366] ? vscnprintf+0x80/0x80
[ 211.887299][ T5366] gfs2_fill_super+0x11ed/0x1ea0
[ 211.892232][ T5366] ? gfs2_reconfigure+0xd80/0xd80
[ 211.897293][ T5366] ? sb_set_blocksize+0xa5/0xe0
[ 211.902147][ T5366] get_tree_bdev+0x3e6/0x610
[ 211.906726][ T5366] ? gfs2_reconfigure+0xd80/0xd80
[ 211.911754][ T5366] gfs2_get_tree+0x4d/0x1e0
[ 211.916255][ T5366] vfs_get_tree+0x88/0x270
[ 211.920747][ T5366] do_new_mount+0x247/0xa40
[ 211.925237][ T5366] __se_sys_mount+0x2e3/0x3d0
[ 211.929901][ T5366] ? __x64_sys_mount+0xc0/0xc0
[ 211.934650][ T5366] ? lockdep_hardirqs_on+0x94/0x140
[ 211.939839][ T5366] ? __x64_sys_mount+0x1c/0xc0
[ 211.944620][ T5366] do_syscall_64+0x4c/0xa0
[ 211.949069][ T5366] ? clear_bhb_loop+0x30/0x80
[ 211.953765][ T5366] ? clear_bhb_loop+0x30/0x80
[ 211.958434][ T5366] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 211.964320][ T5366] RIP: 0033:0x7f86669f6f4a
[ 211.968740][ T5366] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 211.988652][ T5366] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 211.997106][ T5366] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 212.005157][ T5366] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 212.013117][ T5366] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 212.021090][ T5366] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 212.029057][ T5366] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 212.037043][ T5366]
[ 212.041202][ T5366] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 212.054376][ T5366] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 212.349145][ T5368] loop1: detected capacity change from 0 to 32768
[ 212.399739][ T5368] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 212.407160][ T5368] CPU: 1 PID: 5368 Comm: syz.1.172 Not tainted syzkaller #0
[ 212.414459][ T5368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 212.424534][ T5368] Call Trace:
[ 212.427831][ T5368]
[ 212.430767][ T5368] dump_stack_lvl+0x188/0x250
[ 212.435455][ T5368] ? show_regs_print_info+0x20/0x20
[ 212.440674][ T5368] ? load_image+0x410/0x410
[ 212.445200][ T5368] sysfs_create_dir_ns+0x26a/0x290
[ 212.450324][ T5368] ? sysfs_warn_dup+0xa0/0xa0
[ 212.455012][ T5368] ? do_raw_spin_unlock+0x11d/0x230
[ 212.460316][ T5368] kobject_add_internal+0x5ba/0xcd0
[ 212.465567][ T5368] kobject_init_and_add+0x128/0x190
[ 212.470800][ T5368] ? lockdep_softirqs_off+0x430/0x430
[ 212.476209][ T5368] ? kobject_add+0x230/0x230
[ 212.481328][ T5368] ? __init_swait_queue_head+0xa4/0x140
[ 212.486961][ T5368] gfs2_sys_fs_add+0x24f/0x4b0
[ 212.491951][ T5368] ? gfs2_recover_set+0x240/0x240
[ 212.496979][ T5368] ? snprintf+0xe5/0x140
[ 212.501207][ T5368] ? __free_pages+0x95/0x1a0
[ 212.505780][ T5368] ? vscnprintf+0x80/0x80
[ 212.510098][ T5368] gfs2_fill_super+0x11ed/0x1ea0
[ 212.515145][ T5368] ? gfs2_reconfigure+0xd80/0xd80
[ 212.520167][ T5368] ? sb_set_blocksize+0xa5/0xe0
[ 212.525004][ T5368] get_tree_bdev+0x3e6/0x610
[ 212.529592][ T5368] ? gfs2_reconfigure+0xd80/0xd80
[ 212.534617][ T5368] gfs2_get_tree+0x4d/0x1e0
[ 212.539243][ T5368] vfs_get_tree+0x88/0x270
[ 212.543662][ T5368] do_new_mount+0x247/0xa40
[ 212.548368][ T5368] __se_sys_mount+0x2e3/0x3d0
[ 212.553057][ T5368] ? __x64_sys_mount+0xc0/0xc0
[ 212.557811][ T5368] ? lockdep_hardirqs_on+0x94/0x140
[ 212.563019][ T5368] ? __x64_sys_mount+0x1c/0xc0
[ 212.567818][ T5368] do_syscall_64+0x4c/0xa0
[ 212.572222][ T5368] ? clear_bhb_loop+0x30/0x80
[ 212.576969][ T5368] ? clear_bhb_loop+0x30/0x80
[ 212.581634][ T5368] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 212.587644][ T5368] RIP: 0033:0x7f86669f6f4a
[ 212.592057][ T5368] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 212.611853][ T5368] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 212.620389][ T5368] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 212.628370][ T5368] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 212.636331][ T5368] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 212.644374][ T5368] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 212.652332][ T5368] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 212.660298][ T5368]
[ 212.664733][ T5368] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 212.678250][ T5368] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 212.986404][ T5370] loop1: detected capacity change from 0 to 32768
[ 213.029316][ T5370] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 213.036797][ T5370] CPU: 0 PID: 5370 Comm: syz.1.173 Not tainted syzkaller #0
[ 213.044102][ T5370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 213.054172][ T5370] Call Trace:
[ 213.057464][ T5370]
[ 213.060405][ T5370] dump_stack_lvl+0x188/0x250
[ 213.065184][ T5370] ? show_regs_print_info+0x20/0x20
[ 213.070396][ T5370] ? load_image+0x410/0x410
[ 213.075011][ T5370] sysfs_create_dir_ns+0x26a/0x290
[ 213.080171][ T5370] ? sysfs_warn_dup+0xa0/0xa0
[ 213.084859][ T5370] ? do_raw_spin_unlock+0x11d/0x230
[ 213.090072][ T5370] kobject_add_internal+0x5ba/0xcd0
[ 213.095286][ T5370] kobject_init_and_add+0x128/0x190
[ 213.100524][ T5370] ? lockdep_softirqs_off+0x430/0x430
[ 213.105913][ T5370] ? kobject_add+0x230/0x230
[ 213.110533][ T5370] ? __init_swait_queue_head+0xa4/0x140
[ 213.116098][ T5370] gfs2_sys_fs_add+0x24f/0x4b0
[ 213.120870][ T5370] ? gfs2_recover_set+0x240/0x240
[ 213.125901][ T5370] ? snprintf+0xe5/0x140
[ 213.130132][ T5370] ? __free_pages+0x95/0x1a0
[ 213.134713][ T5370] ? vscnprintf+0x80/0x80
[ 213.139036][ T5370] gfs2_fill_super+0x11ed/0x1ea0
[ 213.143998][ T5370] ? gfs2_reconfigure+0xd80/0xd80
[ 213.149014][ T5370] ? sb_set_blocksize+0xa5/0xe0
[ 213.153848][ T5370] get_tree_bdev+0x3e6/0x610
[ 213.158438][ T5370] ? gfs2_reconfigure+0xd80/0xd80
[ 213.163445][ T5370] gfs2_get_tree+0x4d/0x1e0
[ 213.167935][ T5370] vfs_get_tree+0x88/0x270
[ 213.172435][ T5370] do_new_mount+0x247/0xa40
[ 213.177038][ T5370] __se_sys_mount+0x2e3/0x3d0
[ 213.181787][ T5370] ? __x64_sys_mount+0xc0/0xc0
[ 213.186538][ T5370] ? lockdep_hardirqs_on+0x94/0x140
[ 213.191727][ T5370] ? __x64_sys_mount+0x1c/0xc0
[ 213.196482][ T5370] do_syscall_64+0x4c/0xa0
[ 213.201240][ T5370] ? clear_bhb_loop+0x30/0x80
[ 213.205946][ T5370] ? clear_bhb_loop+0x30/0x80
[ 213.210718][ T5370] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 213.216625][ T5370] RIP: 0033:0x7f86669f6f4a
[ 213.221143][ T5370] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 213.240745][ T5370] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 213.249263][ T5370] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 213.257261][ T5370] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 213.265341][ T5370] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 213.273308][ T5370] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 213.281271][ T5370] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 213.289244][ T5370]
[ 213.293787][ T5370] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 213.307190][ T5370] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 213.612147][ T5372] loop1: detected capacity change from 0 to 32768
[ 213.701114][ T5372] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 213.708569][ T5372] CPU: 0 PID: 5372 Comm: syz.1.174 Not tainted syzkaller #0
[ 213.715868][ T5372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 213.726025][ T5372] Call Trace:
[ 213.729457][ T5372]
[ 213.732397][ T5372] dump_stack_lvl+0x188/0x250
[ 213.737099][ T5372] ? show_regs_print_info+0x20/0x20
[ 213.742312][ T5372] ? load_image+0x410/0x410
[ 213.746850][ T5372] sysfs_create_dir_ns+0x26a/0x290
[ 213.751958][ T5372] ? sysfs_warn_dup+0xa0/0xa0
[ 213.756728][ T5372] ? do_raw_spin_unlock+0x11d/0x230
[ 213.761941][ T5372] kobject_add_internal+0x5ba/0xcd0
[ 213.767258][ T5372] kobject_init_and_add+0x128/0x190
[ 213.772642][ T5372] ? lockdep_softirqs_off+0x430/0x430
[ 213.778019][ T5372] ? kobject_add+0x230/0x230
[ 213.782620][ T5372] ? __init_swait_queue_head+0xa4/0x140
[ 213.788248][ T5372] gfs2_sys_fs_add+0x24f/0x4b0
[ 213.793041][ T5372] ? gfs2_recover_set+0x240/0x240
[ 213.798166][ T5372] ? snprintf+0xe5/0x140
[ 213.802396][ T5372] ? __free_pages+0x95/0x1a0
[ 213.806985][ T5372] ? vscnprintf+0x80/0x80
[ 213.811309][ T5372] gfs2_fill_super+0x11ed/0x1ea0
[ 213.816277][ T5372] ? gfs2_reconfigure+0xd80/0xd80
[ 213.821335][ T5372] ? sb_set_blocksize+0xa5/0xe0
[ 213.826194][ T5372] get_tree_bdev+0x3e6/0x610
[ 213.830794][ T5372] ? gfs2_reconfigure+0xd80/0xd80
[ 213.835820][ T5372] gfs2_get_tree+0x4d/0x1e0
[ 213.840312][ T5372] vfs_get_tree+0x88/0x270
[ 213.844722][ T5372] do_new_mount+0x247/0xa40
[ 213.849225][ T5372] __se_sys_mount+0x2e3/0x3d0
[ 213.854016][ T5372] ? __x64_sys_mount+0xc0/0xc0
[ 213.858784][ T5372] ? lockdep_hardirqs_on+0x94/0x140
[ 213.863979][ T5372] ? __x64_sys_mount+0x1c/0xc0
[ 213.868747][ T5372] do_syscall_64+0x4c/0xa0
[ 213.873149][ T5372] ? clear_bhb_loop+0x30/0x80
[ 213.877915][ T5372] ? clear_bhb_loop+0x30/0x80
[ 213.882579][ T5372] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 213.888462][ T5372] RIP: 0033:0x7f86669f6f4a
[ 213.892862][ T5372] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 213.912463][ T5372] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 213.920868][ T5372] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 213.929003][ T5372] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 213.936994][ T5372] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 213.945323][ T5372] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 213.953280][ T5372] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 213.961246][ T5372]
[ 213.965369][ T5372] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 213.978753][ T5372] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 214.287313][ T5374] loop1: detected capacity change from 0 to 32768
[ 214.340123][ T5374] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 214.347729][ T5374] CPU: 1 PID: 5374 Comm: syz.1.175 Not tainted syzkaller #0
[ 214.355036][ T5374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 214.365139][ T5374] Call Trace:
[ 214.368426][ T5374]
[ 214.371362][ T5374] dump_stack_lvl+0x188/0x250
[ 214.376063][ T5374] ? show_regs_print_info+0x20/0x20
[ 214.381281][ T5374] ? load_image+0x410/0x410
[ 214.385837][ T5374] sysfs_create_dir_ns+0x26a/0x290
[ 214.390970][ T5374] ? sysfs_warn_dup+0xa0/0xa0
[ 214.395747][ T5374] ? do_raw_spin_unlock+0x11d/0x230
[ 214.400958][ T5374] kobject_add_internal+0x5ba/0xcd0
[ 214.406177][ T5374] kobject_init_and_add+0x128/0x190
[ 214.411403][ T5374] ? lockdep_softirqs_off+0x430/0x430
[ 214.416780][ T5374] ? kobject_add+0x230/0x230
[ 214.421368][ T5374] ? __init_swait_queue_head+0xa4/0x140
[ 214.426892][ T5374] gfs2_sys_fs_add+0x24f/0x4b0
[ 214.431670][ T5374] ? gfs2_recover_set+0x240/0x240
[ 214.436696][ T5374] ? snprintf+0xe5/0x140
[ 214.440945][ T5374] ? __free_pages+0x95/0x1a0
[ 214.445517][ T5374] ? vscnprintf+0x80/0x80
[ 214.449853][ T5374] gfs2_fill_super+0x11ed/0x1ea0
[ 214.454778][ T5374] ? gfs2_reconfigure+0xd80/0xd80
[ 214.459875][ T5374] ? sb_set_blocksize+0xa5/0xe0
[ 214.464795][ T5374] get_tree_bdev+0x3e6/0x610
[ 214.469385][ T5374] ? gfs2_reconfigure+0xd80/0xd80
[ 214.474414][ T5374] gfs2_get_tree+0x4d/0x1e0
[ 214.478895][ T5374] vfs_get_tree+0x88/0x270
[ 214.483301][ T5374] do_new_mount+0x247/0xa40
[ 214.487792][ T5374] __se_sys_mount+0x2e3/0x3d0
[ 214.492496][ T5374] ? __x64_sys_mount+0xc0/0xc0
[ 214.497245][ T5374] ? lockdep_hardirqs_on+0x94/0x140
[ 214.502527][ T5374] ? __x64_sys_mount+0x1c/0xc0
[ 214.507288][ T5374] do_syscall_64+0x4c/0xa0
[ 214.511685][ T5374] ? clear_bhb_loop+0x30/0x80
[ 214.516341][ T5374] ? clear_bhb_loop+0x30/0x80
[ 214.520999][ T5374] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 214.526903][ T5374] RIP: 0033:0x7f86669f6f4a
[ 214.531475][ T5374] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 214.551159][ T5374] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 214.559591][ T5374] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 214.567554][ T5374] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 214.575504][ T5374] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 214.583462][ T5374] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 214.591416][ T5374] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 214.599411][ T5374]
[ 214.603794][ T5374] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 214.617086][ T5374] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 214.916417][ T5376] loop1: detected capacity change from 0 to 32768
[ 214.961613][ T5376] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 214.969172][ T5376] CPU: 1 PID: 5376 Comm: syz.1.176 Not tainted syzkaller #0
[ 214.976473][ T5376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 214.986638][ T5376] Call Trace:
[ 214.989936][ T5376]
[ 214.992878][ T5376] dump_stack_lvl+0x188/0x250
[ 214.997584][ T5376] ? show_regs_print_info+0x20/0x20
[ 215.002900][ T5376] ? load_image+0x410/0x410
[ 215.007428][ T5376] sysfs_create_dir_ns+0x26a/0x290
[ 215.012563][ T5376] ? sysfs_warn_dup+0xa0/0xa0
[ 215.017264][ T5376] ? do_raw_spin_unlock+0x11d/0x230
[ 215.022491][ T5376] kobject_add_internal+0x5ba/0xcd0
[ 215.027710][ T5376] kobject_init_and_add+0x128/0x190
[ 215.032928][ T5376] ? lockdep_softirqs_off+0x430/0x430
[ 215.038324][ T5376] ? kobject_add+0x230/0x230
[ 215.043020][ T5376] ? __init_swait_queue_head+0xa4/0x140
[ 215.048586][ T5376] gfs2_sys_fs_add+0x24f/0x4b0
[ 215.053351][ T5376] ? gfs2_recover_set+0x240/0x240
[ 215.058463][ T5376] ? snprintf+0xe5/0x140
[ 215.062695][ T5376] ? __free_pages+0x95/0x1a0
[ 215.067371][ T5376] ? vscnprintf+0x80/0x80
[ 215.071707][ T5376] gfs2_fill_super+0x11ed/0x1ea0
[ 215.076664][ T5376] ? gfs2_reconfigure+0xd80/0xd80
[ 215.081692][ T5376] ? sb_set_blocksize+0xa5/0xe0
[ 215.086545][ T5376] get_tree_bdev+0x3e6/0x610
[ 215.091158][ T5376] ? gfs2_reconfigure+0xd80/0xd80
[ 215.096314][ T5376] gfs2_get_tree+0x4d/0x1e0
[ 215.100836][ T5376] vfs_get_tree+0x88/0x270
[ 215.105386][ T5376] do_new_mount+0x247/0xa40
[ 215.109904][ T5376] __se_sys_mount+0x2e3/0x3d0
[ 215.114596][ T5376] ? __x64_sys_mount+0xc0/0xc0
[ 215.119357][ T5376] ? lockdep_hardirqs_on+0x94/0x140
[ 215.124664][ T5376] ? __x64_sys_mount+0x1c/0xc0
[ 215.129577][ T5376] do_syscall_64+0x4c/0xa0
[ 215.134081][ T5376] ? clear_bhb_loop+0x30/0x80
[ 215.138949][ T5376] ? clear_bhb_loop+0x30/0x80
[ 215.143712][ T5376] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 215.149613][ T5376] RIP: 0033:0x7f86669f6f4a
[ 215.154027][ T5376] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 215.173644][ T5376] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 215.182066][ T5376] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 215.190114][ T5376] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 215.198069][ T5376] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 215.206199][ T5376] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 215.214243][ T5376] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 215.222316][ T5376]
[ 215.226813][ T5376] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 215.240011][ T5376] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 215.573255][ T5378] loop1: detected capacity change from 0 to 32768
[ 215.629365][ T5378] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 215.636885][ T5378] CPU: 1 PID: 5378 Comm: syz.1.177 Not tainted syzkaller #0
[ 215.644185][ T5378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 215.654252][ T5378] Call Trace:
[ 215.657643][ T5378]
[ 215.660587][ T5378] dump_stack_lvl+0x188/0x250
[ 215.665293][ T5378] ? show_regs_print_info+0x20/0x20
[ 215.670520][ T5378] ? load_image+0x410/0x410
[ 215.675052][ T5378] sysfs_create_dir_ns+0x26a/0x290
[ 215.680181][ T5378] ? sysfs_warn_dup+0xa0/0xa0
[ 215.684872][ T5378] ? do_raw_spin_unlock+0x11d/0x230
[ 215.690098][ T5378] kobject_add_internal+0x5ba/0xcd0
[ 215.695313][ T5378] kobject_init_and_add+0x128/0x190
[ 215.700536][ T5378] ? lockdep_softirqs_off+0x430/0x430
[ 215.705922][ T5378] ? kobject_add+0x230/0x230
[ 215.710648][ T5378] ? __init_swait_queue_head+0xa4/0x140
[ 215.716208][ T5378] gfs2_sys_fs_add+0x24f/0x4b0
[ 215.721254][ T5378] ? gfs2_recover_set+0x240/0x240
[ 215.726269][ T5378] ? snprintf+0xe5/0x140
[ 215.730497][ T5378] ? __free_pages+0x95/0x1a0
[ 215.735069][ T5378] ? vscnprintf+0x80/0x80
[ 215.739408][ T5378] gfs2_fill_super+0x11ed/0x1ea0
[ 215.744352][ T5378] ? gfs2_reconfigure+0xd80/0xd80
[ 215.749366][ T5378] ? sb_set_blocksize+0xa5/0xe0
[ 215.754196][ T5378] get_tree_bdev+0x3e6/0x610
[ 215.758768][ T5378] ? gfs2_reconfigure+0xd80/0xd80
[ 215.763828][ T5378] gfs2_get_tree+0x4d/0x1e0
[ 215.768332][ T5378] vfs_get_tree+0x88/0x270
[ 215.772737][ T5378] do_new_mount+0x247/0xa40
[ 215.777225][ T5378] __se_sys_mount+0x2e3/0x3d0
[ 215.781910][ T5378] ? __x64_sys_mount+0xc0/0xc0
[ 215.786907][ T5378] ? lockdep_hardirqs_on+0x94/0x140
[ 215.792115][ T5378] ? __x64_sys_mount+0x1c/0xc0
[ 215.796882][ T5378] do_syscall_64+0x4c/0xa0
[ 215.801287][ T5378] ? clear_bhb_loop+0x30/0x80
[ 215.805960][ T5378] ? clear_bhb_loop+0x30/0x80
[ 215.810621][ T5378] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 215.816521][ T5378] RIP: 0033:0x7f86669f6f4a
[ 215.821319][ T5378] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 215.841024][ T5378] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 215.849421][ T5378] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 215.857376][ T5378] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 215.865334][ T5378] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 215.873293][ T5378] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 215.881439][ T5378] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 215.889411][ T5378]
[ 215.893729][ T5378] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 215.907092][ T5378] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 216.226505][ T5380] loop1: detected capacity change from 0 to 32768
[ 216.312870][ T5380] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 216.321249][ T5380] CPU: 1 PID: 5380 Comm: syz.1.178 Not tainted syzkaller #0
[ 216.328557][ T5380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 216.339149][ T5380] Call Trace:
[ 216.342444][ T5380]
[ 216.345385][ T5380] dump_stack_lvl+0x188/0x250
[ 216.350083][ T5380] ? show_regs_print_info+0x20/0x20
[ 216.355301][ T5380] ? load_image+0x410/0x410
[ 216.359833][ T5380] sysfs_create_dir_ns+0x26a/0x290
[ 216.364963][ T5380] ? sysfs_warn_dup+0xa0/0xa0
[ 216.369651][ T5380] ? do_raw_spin_unlock+0x11d/0x230
[ 216.374954][ T5380] kobject_add_internal+0x5ba/0xcd0
[ 216.380175][ T5380] kobject_init_and_add+0x128/0x190
[ 216.385386][ T5380] ? lockdep_softirqs_off+0x430/0x430
[ 216.390770][ T5380] ? kobject_add+0x230/0x230
[ 216.395387][ T5380] ? __init_swait_queue_head+0xa4/0x140
[ 216.400922][ T5380] gfs2_sys_fs_add+0x24f/0x4b0
[ 216.405686][ T5380] ? gfs2_recover_set+0x240/0x240
[ 216.410704][ T5380] ? snprintf+0xe5/0x140
[ 216.415042][ T5380] ? __free_pages+0x95/0x1a0
[ 216.419635][ T5380] ? vscnprintf+0x80/0x80
[ 216.424460][ T5380] gfs2_fill_super+0x11ed/0x1ea0
[ 216.429436][ T5380] ? gfs2_reconfigure+0xd80/0xd80
[ 216.434491][ T5380] ? sb_set_blocksize+0xa5/0xe0
[ 216.439346][ T5380] get_tree_bdev+0x3e6/0x610
[ 216.443975][ T5380] ? gfs2_reconfigure+0xd80/0xd80
[ 216.449030][ T5380] gfs2_get_tree+0x4d/0x1e0
[ 216.453548][ T5380] vfs_get_tree+0x88/0x270
[ 216.457990][ T5380] do_new_mount+0x247/0xa40
[ 216.462499][ T5380] __se_sys_mount+0x2e3/0x3d0
[ 216.467175][ T5380] ? __x64_sys_mount+0xc0/0xc0
[ 216.472014][ T5380] ? lockdep_hardirqs_on+0x94/0x140
[ 216.477320][ T5380] ? __x64_sys_mount+0x1c/0xc0
[ 216.482077][ T5380] do_syscall_64+0x4c/0xa0
[ 216.486480][ T5380] ? clear_bhb_loop+0x30/0x80
[ 216.491254][ T5380] ? clear_bhb_loop+0x30/0x80
[ 216.495954][ T5380] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 216.501885][ T5380] RIP: 0033:0x7f86669f6f4a
[ 216.506291][ T5380] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 216.525898][ T5380] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 216.534312][ T5380] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 216.542301][ T5380] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 216.550285][ T5380] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 216.558332][ T5380] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 216.566383][ T5380] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 216.574371][ T5380]
[ 216.578728][ T5380] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 216.591999][ T5380] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/09/15 01:07:02 executed programs: 164
[ 216.759276][ T4963] Bluetooth: hci0: command 0x0406 tx timeout
[ 216.898315][ T5382] loop1: detected capacity change from 0 to 32768
[ 216.944505][ T5382] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 216.952146][ T5382] CPU: 1 PID: 5382 Comm: syz.1.179 Not tainted syzkaller #0
[ 216.959533][ T5382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 216.969603][ T5382] Call Trace:
[ 216.972904][ T5382]
[ 216.975929][ T5382] dump_stack_lvl+0x188/0x250
[ 216.980620][ T5382] ? show_regs_print_info+0x20/0x20
[ 216.985828][ T5382] ? load_image+0x410/0x410
[ 216.990358][ T5382] sysfs_create_dir_ns+0x26a/0x290
[ 216.995489][ T5382] ? sysfs_warn_dup+0xa0/0xa0
[ 217.000196][ T5382] ? do_raw_spin_unlock+0x11d/0x230
[ 217.005675][ T5382] kobject_add_internal+0x5ba/0xcd0
[ 217.010918][ T5382] kobject_init_and_add+0x128/0x190
[ 217.016135][ T5382] ? lockdep_softirqs_off+0x430/0x430
[ 217.022075][ T5382] ? kobject_add+0x230/0x230
[ 217.026663][ T5382] ? __init_swait_queue_head+0xa4/0x140
[ 217.032275][ T5382] gfs2_sys_fs_add+0x24f/0x4b0
[ 217.037045][ T5382] ? gfs2_recover_set+0x240/0x240
[ 217.042063][ T5382] ? snprintf+0xe5/0x140
[ 217.046294][ T5382] ? __free_pages+0x95/0x1a0
[ 217.050869][ T5382] ? vscnprintf+0x80/0x80
[ 217.055192][ T5382] gfs2_fill_super+0x11ed/0x1ea0
[ 217.060133][ T5382] ? gfs2_reconfigure+0xd80/0xd80
[ 217.065164][ T5382] ? sb_set_blocksize+0xa5/0xe0
[ 217.070003][ T5382] get_tree_bdev+0x3e6/0x610
[ 217.074575][ T5382] ? gfs2_reconfigure+0xd80/0xd80
[ 217.079582][ T5382] gfs2_get_tree+0x4d/0x1e0
[ 217.084152][ T5382] vfs_get_tree+0x88/0x270
[ 217.088754][ T5382] do_new_mount+0x247/0xa40
[ 217.093287][ T5382] __se_sys_mount+0x2e3/0x3d0
[ 217.097972][ T5382] ? __x64_sys_mount+0xc0/0xc0
[ 217.102738][ T5382] ? lockdep_hardirqs_on+0x94/0x140
[ 217.107948][ T5382] ? __x64_sys_mount+0x1c/0xc0
[ 217.112708][ T5382] do_syscall_64+0x4c/0xa0
[ 217.117134][ T5382] ? clear_bhb_loop+0x30/0x80
[ 217.121796][ T5382] ? clear_bhb_loop+0x30/0x80
[ 217.126472][ T5382] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 217.132386][ T5382] RIP: 0033:0x7f86669f6f4a
[ 217.136791][ T5382] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 217.156645][ T5382] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 217.165070][ T5382] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 217.173032][ T5382] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 217.181005][ T5382] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 217.189054][ T5382] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 217.197200][ T5382] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 217.205303][ T5382]
[ 217.209590][ T5382] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 217.222925][ T5382] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 217.541631][ T5384] loop1: detected capacity change from 0 to 32768
[ 217.597399][ T5384] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 217.605151][ T5384] CPU: 1 PID: 5384 Comm: syz.1.180 Not tainted syzkaller #0
[ 217.612620][ T5384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 217.622765][ T5384] Call Trace:
[ 217.626053][ T5384]
[ 217.628991][ T5384] dump_stack_lvl+0x188/0x250
[ 217.633798][ T5384] ? show_regs_print_info+0x20/0x20
[ 217.639006][ T5384] ? load_image+0x410/0x410
[ 217.643526][ T5384] sysfs_create_dir_ns+0x26a/0x290
[ 217.648643][ T5384] ? sysfs_warn_dup+0xa0/0xa0
[ 217.653328][ T5384] ? do_raw_spin_unlock+0x11d/0x230
[ 217.658539][ T5384] kobject_add_internal+0x5ba/0xcd0
[ 217.663785][ T5384] kobject_init_and_add+0x128/0x190
[ 217.669026][ T5384] ? lockdep_softirqs_off+0x430/0x430
[ 217.674500][ T5384] ? kobject_add+0x230/0x230
[ 217.679124][ T5384] ? __init_swait_queue_head+0xa4/0x140
[ 217.684689][ T5384] gfs2_sys_fs_add+0x24f/0x4b0
[ 217.689471][ T5384] ? gfs2_recover_set+0x240/0x240
[ 217.694516][ T5384] ? snprintf+0xe5/0x140
[ 217.698790][ T5384] ? __free_pages+0x95/0x1a0
[ 217.703381][ T5384] ? vscnprintf+0x80/0x80
[ 217.707709][ T5384] gfs2_fill_super+0x11ed/0x1ea0
[ 217.712648][ T5384] ? gfs2_reconfigure+0xd80/0xd80
[ 217.717667][ T5384] ? sb_set_blocksize+0xa5/0xe0
[ 217.722515][ T5384] get_tree_bdev+0x3e6/0x610
[ 217.727119][ T5384] ? gfs2_reconfigure+0xd80/0xd80
[ 217.732175][ T5384] gfs2_get_tree+0x4d/0x1e0
[ 217.736668][ T5384] vfs_get_tree+0x88/0x270
[ 217.741183][ T5384] do_new_mount+0x247/0xa40
[ 217.745805][ T5384] __se_sys_mount+0x2e3/0x3d0
[ 217.750500][ T5384] ? __x64_sys_mount+0xc0/0xc0
[ 217.755276][ T5384] ? lockdep_hardirqs_on+0x94/0x140
[ 217.760546][ T5384] ? __x64_sys_mount+0x1c/0xc0
[ 217.765293][ T5384] do_syscall_64+0x4c/0xa0
[ 217.769696][ T5384] ? clear_bhb_loop+0x30/0x80
[ 217.774389][ T5384] ? clear_bhb_loop+0x30/0x80
[ 217.779055][ T5384] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 217.784962][ T5384] RIP: 0033:0x7f86669f6f4a
[ 217.789461][ T5384] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 217.809071][ T5384] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 217.817488][ T5384] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 217.825447][ T5384] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 217.833423][ T5384] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 217.841381][ T5384] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 217.849577][ T5384] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 217.857656][ T5384]
[ 217.861755][ T5384] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 217.874935][ T5384] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 218.196669][ T5386] loop1: detected capacity change from 0 to 32768
[ 218.222887][ T5386] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 218.230682][ T5386] CPU: 1 PID: 5386 Comm: syz.1.181 Not tainted syzkaller #0
[ 218.237984][ T5386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 218.248057][ T5386] Call Trace:
[ 218.251345][ T5386]
[ 218.254282][ T5386] dump_stack_lvl+0x188/0x250
[ 218.259011][ T5386] ? show_regs_print_info+0x20/0x20
[ 218.264220][ T5386] ? load_image+0x410/0x410
[ 218.269033][ T5386] sysfs_create_dir_ns+0x26a/0x290
[ 218.274165][ T5386] ? sysfs_warn_dup+0xa0/0xa0
[ 218.278856][ T5386] ? do_raw_spin_unlock+0x11d/0x230
[ 218.284070][ T5386] kobject_add_internal+0x5ba/0xcd0
[ 218.289331][ T5386] kobject_init_and_add+0x128/0x190
[ 218.294544][ T5386] ? lockdep_softirqs_off+0x430/0x430
[ 218.299962][ T5386] ? kobject_add+0x230/0x230
[ 218.304548][ T5386] ? __init_swait_queue_head+0xa4/0x140
[ 218.310084][ T5386] gfs2_sys_fs_add+0x24f/0x4b0
[ 218.314847][ T5386] ? gfs2_recover_set+0x240/0x240
[ 218.319865][ T5386] ? snprintf+0xe5/0x140
[ 218.324107][ T5386] ? __free_pages+0x95/0x1a0
[ 218.328714][ T5386] ? vscnprintf+0x80/0x80
[ 218.333217][ T5386] gfs2_fill_super+0x11ed/0x1ea0
[ 218.338177][ T5386] ? gfs2_reconfigure+0xd80/0xd80
[ 218.343210][ T5386] ? sb_set_blocksize+0xa5/0xe0
[ 218.348169][ T5386] get_tree_bdev+0x3e6/0x610
[ 218.352842][ T5386] ? gfs2_reconfigure+0xd80/0xd80
[ 218.357860][ T5386] gfs2_get_tree+0x4d/0x1e0
[ 218.362351][ T5386] vfs_get_tree+0x88/0x270
[ 218.366773][ T5386] do_new_mount+0x247/0xa40
[ 218.371283][ T5386] __se_sys_mount+0x2e3/0x3d0
[ 218.375955][ T5386] ? __x64_sys_mount+0xc0/0xc0
[ 218.380722][ T5386] ? lockdep_hardirqs_on+0x94/0x140
[ 218.385915][ T5386] ? __x64_sys_mount+0x1c/0xc0
[ 218.390690][ T5386] do_syscall_64+0x4c/0xa0
[ 218.395093][ T5386] ? clear_bhb_loop+0x30/0x80
[ 218.399753][ T5386] ? clear_bhb_loop+0x30/0x80
[ 218.404415][ T5386] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 218.410289][ T5386] RIP: 0033:0x7f86669f6f4a
[ 218.414705][ T5386] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 218.434294][ T5386] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 218.442693][ T5386] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 218.450652][ T5386] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 218.458612][ T5386] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 218.466658][ T5386] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 218.474613][ T5386] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 218.482681][ T5386]
[ 218.487162][ T5386] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 218.500594][ T5386] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 218.823645][ T5388] loop1: detected capacity change from 0 to 32768
[ 218.833814][ T5388] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 218.841663][ T5388] CPU: 1 PID: 5388 Comm: syz.1.182 Not tainted syzkaller #0
[ 218.849001][ T5388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 218.859082][ T5388] Call Trace:
[ 218.862459][ T5388]
[ 218.865504][ T5388] dump_stack_lvl+0x188/0x250
[ 218.870199][ T5388] ? show_regs_print_info+0x20/0x20
[ 218.875498][ T5388] ? load_image+0x410/0x410
[ 218.880034][ T5388] sysfs_create_dir_ns+0x26a/0x290
[ 218.885158][ T5388] ? sysfs_warn_dup+0xa0/0xa0
[ 218.889835][ T5388] ? do_raw_spin_unlock+0x11d/0x230
[ 218.895215][ T5388] kobject_add_internal+0x5ba/0xcd0
[ 218.900436][ T5388] kobject_init_and_add+0x128/0x190
[ 218.905640][ T5388] ? lockdep_softirqs_off+0x430/0x430
[ 218.911008][ T5388] ? kobject_add+0x230/0x230
[ 218.915606][ T5388] ? __init_swait_queue_head+0xa4/0x140
[ 218.921162][ T5388] gfs2_sys_fs_add+0x24f/0x4b0
[ 218.925921][ T5388] ? gfs2_recover_set+0x240/0x240
[ 218.931307][ T5388] ? snprintf+0xe5/0x140
[ 218.935689][ T5388] ? __free_pages+0x95/0x1a0
[ 218.940296][ T5388] ? vscnprintf+0x80/0x80
[ 218.944622][ T5388] gfs2_fill_super+0x11ed/0x1ea0
[ 218.949590][ T5388] ? gfs2_reconfigure+0xd80/0xd80
[ 218.954889][ T5388] ? sb_set_blocksize+0xa5/0xe0
[ 218.960120][ T5388] get_tree_bdev+0x3e6/0x610
[ 218.964795][ T5388] ? gfs2_reconfigure+0xd80/0xd80
[ 218.970010][ T5388] gfs2_get_tree+0x4d/0x1e0
[ 218.974612][ T5388] vfs_get_tree+0x88/0x270
[ 218.979019][ T5388] do_new_mount+0x247/0xa40
[ 218.983615][ T5388] __se_sys_mount+0x2e3/0x3d0
[ 218.988284][ T5388] ? __x64_sys_mount+0xc0/0xc0
[ 218.993126][ T5388] ? lockdep_hardirqs_on+0x94/0x140
[ 218.998407][ T5388] ? __x64_sys_mount+0x1c/0xc0
[ 219.003307][ T5388] do_syscall_64+0x4c/0xa0
[ 219.007744][ T5388] ? clear_bhb_loop+0x30/0x80
[ 219.012412][ T5388] ? clear_bhb_loop+0x30/0x80
[ 219.017101][ T5388] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 219.023076][ T5388] RIP: 0033:0x7f86669f6f4a
[ 219.027485][ T5388] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 219.047174][ T5388] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 219.055667][ T5388] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 219.063657][ T5388] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 219.071630][ T5388] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 219.079694][ T5388] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 219.087717][ T5388] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 219.095783][ T5388]
[ 219.099983][ T5388] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 219.113368][ T5388] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 219.405729][ T5390] loop1: detected capacity change from 0 to 32768
[ 219.467371][ T5390] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 219.475157][ T5390] CPU: 0 PID: 5390 Comm: syz.1.183 Not tainted syzkaller #0
[ 219.482546][ T5390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 219.492616][ T5390] Call Trace:
[ 219.495914][ T5390]
[ 219.498858][ T5390] dump_stack_lvl+0x188/0x250
[ 219.503566][ T5390] ? show_regs_print_info+0x20/0x20
[ 219.508772][ T5390] ? load_image+0x410/0x410
[ 219.513305][ T5390] sysfs_create_dir_ns+0x26a/0x290
[ 219.518436][ T5390] ? sysfs_warn_dup+0xa0/0xa0
[ 219.523148][ T5390] ? do_raw_spin_unlock+0x11d/0x230
[ 219.528374][ T5390] kobject_add_internal+0x5ba/0xcd0
[ 219.533600][ T5390] kobject_init_and_add+0x128/0x190
[ 219.538831][ T5390] ? lockdep_softirqs_off+0x430/0x430
[ 219.544222][ T5390] ? kobject_add+0x230/0x230
[ 219.548837][ T5390] ? __init_swait_queue_head+0xa4/0x140
[ 219.554433][ T5390] gfs2_sys_fs_add+0x24f/0x4b0
[ 219.559406][ T5390] ? gfs2_recover_set+0x240/0x240
[ 219.564515][ T5390] ? snprintf+0xe5/0x140
[ 219.568745][ T5390] ? __free_pages+0x95/0x1a0
[ 219.573324][ T5390] ? vscnprintf+0x80/0x80
[ 219.577717][ T5390] gfs2_fill_super+0x11ed/0x1ea0
[ 219.582645][ T5390] ? gfs2_reconfigure+0xd80/0xd80
[ 219.587664][ T5390] ? sb_set_blocksize+0xa5/0xe0
[ 219.592502][ T5390] get_tree_bdev+0x3e6/0x610
[ 219.597084][ T5390] ? gfs2_reconfigure+0xd80/0xd80
[ 219.602104][ T5390] gfs2_get_tree+0x4d/0x1e0
[ 219.606593][ T5390] vfs_get_tree+0x88/0x270
[ 219.610992][ T5390] do_new_mount+0x247/0xa40
[ 219.615477][ T5390] __se_sys_mount+0x2e3/0x3d0
[ 219.620138][ T5390] ? __x64_sys_mount+0xc0/0xc0
[ 219.624889][ T5390] ? lockdep_hardirqs_on+0x94/0x140
[ 219.630073][ T5390] ? __x64_sys_mount+0x1c/0xc0
[ 219.634840][ T5390] do_syscall_64+0x4c/0xa0
[ 219.639239][ T5390] ? clear_bhb_loop+0x30/0x80
[ 219.643895][ T5390] ? clear_bhb_loop+0x30/0x80
[ 219.648550][ T5390] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 219.654426][ T5390] RIP: 0033:0x7f86669f6f4a
[ 219.658835][ T5390] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 219.678457][ T5390] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 219.686989][ T5390] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 219.694976][ T5390] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 219.703270][ T5390] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 219.711239][ T5390] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 219.719288][ T5390] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 219.727256][ T5390]
[ 219.732246][ T5390] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 219.745742][ T5390] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 220.047154][ T5392] loop1: detected capacity change from 0 to 32768
[ 220.103257][ T5392] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 220.110713][ T5392] CPU: 0 PID: 5392 Comm: syz.1.184 Not tainted syzkaller #0
[ 220.118017][ T5392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 220.128188][ T5392] Call Trace:
[ 220.131520][ T5392]
[ 220.134475][ T5392] dump_stack_lvl+0x188/0x250
[ 220.139210][ T5392] ? show_regs_print_info+0x20/0x20
[ 220.144424][ T5392] ? load_image+0x410/0x410
[ 220.149052][ T5392] sysfs_create_dir_ns+0x26a/0x290
[ 220.154187][ T5392] ? sysfs_warn_dup+0xa0/0xa0
[ 220.158883][ T5392] ? do_raw_spin_unlock+0x11d/0x230
[ 220.164102][ T5392] kobject_add_internal+0x5ba/0xcd0
[ 220.169415][ T5392] kobject_init_and_add+0x128/0x190
[ 220.174638][ T5392] ? lockdep_softirqs_off+0x430/0x430
[ 220.180030][ T5392] ? kobject_add+0x230/0x230
[ 220.184646][ T5392] ? __init_swait_queue_head+0xa4/0x140
[ 220.190192][ T5392] gfs2_sys_fs_add+0x24f/0x4b0
[ 220.194957][ T5392] ? gfs2_recover_set+0x240/0x240
[ 220.199971][ T5392] ? snprintf+0xe5/0x140
[ 220.204198][ T5392] ? __free_pages+0x95/0x1a0
[ 220.208773][ T5392] ? vscnprintf+0x80/0x80
[ 220.213090][ T5392] gfs2_fill_super+0x11ed/0x1ea0
[ 220.218036][ T5392] ? gfs2_reconfigure+0xd80/0xd80
[ 220.223075][ T5392] ? sb_set_blocksize+0xa5/0xe0
[ 220.227920][ T5392] get_tree_bdev+0x3e6/0x610
[ 220.232582][ T5392] ? gfs2_reconfigure+0xd80/0xd80
[ 220.237632][ T5392] gfs2_get_tree+0x4d/0x1e0
[ 220.242121][ T5392] vfs_get_tree+0x88/0x270
[ 220.246522][ T5392] do_new_mount+0x247/0xa40
[ 220.251019][ T5392] __se_sys_mount+0x2e3/0x3d0
[ 220.255677][ T5392] ? __x64_sys_mount+0xc0/0xc0
[ 220.260419][ T5392] ? lockdep_hardirqs_on+0x94/0x140
[ 220.265609][ T5392] ? __x64_sys_mount+0x1c/0xc0
[ 220.270628][ T5392] do_syscall_64+0x4c/0xa0
[ 220.275081][ T5392] ? clear_bhb_loop+0x30/0x80
[ 220.279757][ T5392] ? clear_bhb_loop+0x30/0x80
[ 220.284434][ T5392] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 220.290442][ T5392] RIP: 0033:0x7f86669f6f4a
[ 220.294856][ T5392] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 220.314472][ T5392] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 220.322874][ T5392] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 220.330835][ T5392] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 220.338793][ T5392] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 220.346761][ T5392] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 220.354730][ T5392] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 220.362713][ T5392]
[ 220.367025][ T5392] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 220.380234][ T5392] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 220.693830][ T5394] loop1: detected capacity change from 0 to 32768
[ 220.740363][ T5394] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 220.747778][ T5394] CPU: 1 PID: 5394 Comm: syz.1.185 Not tainted syzkaller #0
[ 220.755175][ T5394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 220.765241][ T5394] Call Trace:
[ 220.768527][ T5394]
[ 220.771469][ T5394] dump_stack_lvl+0x188/0x250
[ 220.776165][ T5394] ? show_regs_print_info+0x20/0x20
[ 220.781440][ T5394] ? load_image+0x410/0x410
[ 220.785970][ T5394] sysfs_create_dir_ns+0x26a/0x290
[ 220.791098][ T5394] ? sysfs_warn_dup+0xa0/0xa0
[ 220.796090][ T5394] ? do_raw_spin_unlock+0x11d/0x230
[ 220.801333][ T5394] kobject_add_internal+0x5ba/0xcd0
[ 220.806558][ T5394] kobject_init_and_add+0x128/0x190
[ 220.812097][ T5394] ? lockdep_softirqs_off+0x430/0x430
[ 220.817669][ T5394] ? kobject_add+0x230/0x230
[ 220.822669][ T5394] ? __init_swait_queue_head+0xa4/0x140
[ 220.828377][ T5394] gfs2_sys_fs_add+0x24f/0x4b0
[ 220.833170][ T5394] ? gfs2_recover_set+0x240/0x240
[ 220.838338][ T5394] ? snprintf+0xe5/0x140
[ 220.842625][ T5394] ? __free_pages+0x95/0x1a0
[ 220.847389][ T5394] ? vscnprintf+0x80/0x80
[ 220.851813][ T5394] gfs2_fill_super+0x11ed/0x1ea0
[ 220.856834][ T5394] ? gfs2_reconfigure+0xd80/0xd80
[ 220.861959][ T5394] ? sb_set_blocksize+0xa5/0xe0
[ 220.866795][ T5394] get_tree_bdev+0x3e6/0x610
[ 220.871459][ T5394] ? gfs2_reconfigure+0xd80/0xd80
[ 220.876491][ T5394] gfs2_get_tree+0x4d/0x1e0
[ 220.880981][ T5394] vfs_get_tree+0x88/0x270
[ 220.885388][ T5394] do_new_mount+0x247/0xa40
[ 220.889889][ T5394] __se_sys_mount+0x2e3/0x3d0
[ 220.894578][ T5394] ? __x64_sys_mount+0xc0/0xc0
[ 220.899443][ T5394] ? lockdep_hardirqs_on+0x94/0x140
[ 220.904650][ T5394] ? __x64_sys_mount+0x1c/0xc0
[ 220.909411][ T5394] do_syscall_64+0x4c/0xa0
[ 220.913944][ T5394] ? clear_bhb_loop+0x30/0x80
[ 220.918710][ T5394] ? clear_bhb_loop+0x30/0x80
[ 220.923371][ T5394] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 220.929254][ T5394] RIP: 0033:0x7f86669f6f4a
[ 220.933670][ T5394] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 220.953266][ T5394] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 220.961716][ T5394] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 220.969685][ T5394] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 220.977656][ T5394] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 220.985621][ T5394] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 220.993594][ T5394] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 221.001570][ T5394]
[ 221.006202][ T5394] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 221.019421][ T5394] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 221.336479][ T5396] loop1: detected capacity change from 0 to 32768
[ 221.381467][ T5396] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 221.389018][ T5396] CPU: 1 PID: 5396 Comm: syz.1.186 Not tainted syzkaller #0
[ 221.396966][ T5396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 221.407162][ T5396] Call Trace:
[ 221.410454][ T5396]
[ 221.413499][ T5396] dump_stack_lvl+0x188/0x250
[ 221.418197][ T5396] ? show_regs_print_info+0x20/0x20
[ 221.423424][ T5396] ? load_image+0x410/0x410
[ 221.428046][ T5396] sysfs_create_dir_ns+0x26a/0x290
[ 221.433362][ T5396] ? sysfs_warn_dup+0xa0/0xa0
[ 221.438153][ T5396] ? do_raw_spin_unlock+0x11d/0x230
[ 221.443463][ T5396] kobject_add_internal+0x5ba/0xcd0
[ 221.448799][ T5396] kobject_init_and_add+0x128/0x190
[ 221.454013][ T5396] ? lockdep_softirqs_off+0x430/0x430
[ 221.459407][ T5396] ? kobject_add+0x230/0x230
[ 221.464036][ T5396] ? __init_swait_queue_head+0xa4/0x140
[ 221.469606][ T5396] gfs2_sys_fs_add+0x24f/0x4b0
[ 221.474407][ T5396] ? gfs2_recover_set+0x240/0x240
[ 221.479427][ T5396] ? snprintf+0xe5/0x140
[ 221.483753][ T5396] ? __free_pages+0x95/0x1a0
[ 221.488434][ T5396] ? vscnprintf+0x80/0x80
[ 221.492773][ T5396] gfs2_fill_super+0x11ed/0x1ea0
[ 221.497728][ T5396] ? gfs2_reconfigure+0xd80/0xd80
[ 221.502773][ T5396] ? sb_set_blocksize+0xa5/0xe0
[ 221.507615][ T5396] get_tree_bdev+0x3e6/0x610
[ 221.512220][ T5396] ? gfs2_reconfigure+0xd80/0xd80
[ 221.517322][ T5396] gfs2_get_tree+0x4d/0x1e0
[ 221.521839][ T5396] vfs_get_tree+0x88/0x270
[ 221.526248][ T5396] do_new_mount+0x247/0xa40
[ 221.530749][ T5396] __se_sys_mount+0x2e3/0x3d0
[ 221.535417][ T5396] ? __x64_sys_mount+0xc0/0xc0
[ 221.540179][ T5396] ? lockdep_hardirqs_on+0x94/0x140
[ 221.545457][ T5396] ? __x64_sys_mount+0x1c/0xc0
[ 221.550204][ T5396] do_syscall_64+0x4c/0xa0
[ 221.554677][ T5396] ? clear_bhb_loop+0x30/0x80
[ 221.559339][ T5396] ? clear_bhb_loop+0x30/0x80
[ 221.564021][ T5396] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 221.569904][ T5396] RIP: 0033:0x7f86669f6f4a
[ 221.574312][ T5396] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 221.593926][ T5396] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 221.602333][ T5396] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 221.610482][ T5396] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 221.618483][ T5396] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 221.626472][ T5396] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 221.634514][ T5396] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 221.642596][ T5396]
[ 221.647070][ T5396] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 221.660251][ T5396] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/09/15 01:07:07 executed programs: 172
[ 221.958129][ T5402] loop1: detected capacity change from 0 to 32768
[ 222.020381][ T5402] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 222.027959][ T5402] CPU: 0 PID: 5402 Comm: syz.1.187 Not tainted syzkaller #0
[ 222.035274][ T5402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 222.045347][ T5402] Call Trace:
[ 222.048649][ T5402]
[ 222.051607][ T5402] dump_stack_lvl+0x188/0x250
[ 222.056306][ T5402] ? show_regs_print_info+0x20/0x20
[ 222.061524][ T5402] ? load_image+0x410/0x410
[ 222.066058][ T5402] sysfs_create_dir_ns+0x26a/0x290
[ 222.071187][ T5402] ? sysfs_warn_dup+0xa0/0xa0
[ 222.075890][ T5402] ? do_raw_spin_unlock+0x11d/0x230
[ 222.081108][ T5402] kobject_add_internal+0x5ba/0xcd0
[ 222.086334][ T5402] kobject_init_and_add+0x128/0x190
[ 222.091558][ T5402] ? lockdep_softirqs_off+0x430/0x430
[ 222.096931][ T5402] ? kobject_add+0x230/0x230
[ 222.101520][ T5402] ? __init_swait_queue_head+0xa4/0x140
[ 222.107087][ T5402] gfs2_sys_fs_add+0x24f/0x4b0
[ 222.111847][ T5402] ? gfs2_recover_set+0x240/0x240
[ 222.116860][ T5402] ? snprintf+0xe5/0x140
[ 222.121113][ T5402] ? __free_pages+0x95/0x1a0
[ 222.125695][ T5402] ? vscnprintf+0x80/0x80
[ 222.130015][ T5402] gfs2_fill_super+0x11ed/0x1ea0
[ 222.134939][ T5402] ? gfs2_reconfigure+0xd80/0xd80
[ 222.139952][ T5402] ? sb_set_blocksize+0xa5/0xe0
[ 222.144788][ T5402] get_tree_bdev+0x3e6/0x610
[ 222.149361][ T5402] ? gfs2_reconfigure+0xd80/0xd80
[ 222.154365][ T5402] gfs2_get_tree+0x4d/0x1e0
[ 222.158848][ T5402] vfs_get_tree+0x88/0x270
[ 222.163251][ T5402] do_new_mount+0x247/0xa40
[ 222.167756][ T5402] __se_sys_mount+0x2e3/0x3d0
[ 222.172425][ T5402] ? __x64_sys_mount+0xc0/0xc0
[ 222.177199][ T5402] ? lockdep_hardirqs_on+0x94/0x140
[ 222.182398][ T5402] ? __x64_sys_mount+0x1c/0xc0
[ 222.187160][ T5402] do_syscall_64+0x4c/0xa0
[ 222.191555][ T5402] ? clear_bhb_loop+0x30/0x80
[ 222.196236][ T5402] ? clear_bhb_loop+0x30/0x80
[ 222.200898][ T5402] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 222.206780][ T5402] RIP: 0033:0x7f86669f6f4a
[ 222.211197][ T5402] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 222.231366][ T5402] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 222.239771][ T5402] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 222.247841][ T5402] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 222.255798][ T5402] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 222.263753][ T5402] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 222.271708][ T5402] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 222.279824][ T5402]
[ 222.284305][ T5402] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 222.297802][ T5402] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 222.605936][ T5405] loop1: detected capacity change from 0 to 32768
[ 222.669350][ T5405] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 222.676801][ T5405] CPU: 0 PID: 5405 Comm: syz.1.188 Not tainted syzkaller #0
[ 222.684328][ T5405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 222.694576][ T5405] Call Trace:
[ 222.697865][ T5405]
[ 222.700828][ T5405] dump_stack_lvl+0x188/0x250
[ 222.705529][ T5405] ? show_regs_print_info+0x20/0x20
[ 222.710748][ T5405] ? load_image+0x410/0x410
[ 222.715288][ T5405] sysfs_create_dir_ns+0x26a/0x290
[ 222.720944][ T5405] ? sysfs_warn_dup+0xa0/0xa0
[ 222.725640][ T5405] ? do_raw_spin_unlock+0x11d/0x230
[ 222.730862][ T5405] kobject_add_internal+0x5ba/0xcd0
[ 222.736185][ T5405] kobject_init_and_add+0x128/0x190
[ 222.741415][ T5405] ? lockdep_softirqs_off+0x430/0x430
[ 222.747057][ T5405] ? kobject_add+0x230/0x230
[ 222.751679][ T5405] ? __init_swait_queue_head+0xa4/0x140
[ 222.757320][ T5405] gfs2_sys_fs_add+0x24f/0x4b0
[ 222.762089][ T5405] ? gfs2_recover_set+0x240/0x240
[ 222.767342][ T5405] ? snprintf+0xe5/0x140
[ 222.771695][ T5405] ? __free_pages+0x95/0x1a0
[ 222.776288][ T5405] ? vscnprintf+0x80/0x80
[ 222.780729][ T5405] gfs2_fill_super+0x11ed/0x1ea0
[ 222.785829][ T5405] ? gfs2_reconfigure+0xd80/0xd80
[ 222.790875][ T5405] ? sb_set_blocksize+0xa5/0xe0
[ 222.795724][ T5405] get_tree_bdev+0x3e6/0x610
[ 222.800348][ T5405] ? gfs2_reconfigure+0xd80/0xd80
[ 222.805382][ T5405] gfs2_get_tree+0x4d/0x1e0
[ 222.809915][ T5405] vfs_get_tree+0x88/0x270
[ 222.814339][ T5405] do_new_mount+0x247/0xa40
[ 222.819069][ T5405] __se_sys_mount+0x2e3/0x3d0
[ 222.823761][ T5405] ? __x64_sys_mount+0xc0/0xc0
[ 222.828527][ T5405] ? lockdep_hardirqs_on+0x94/0x140
[ 222.833748][ T5405] ? __x64_sys_mount+0x1c/0xc0
[ 222.838508][ T5405] do_syscall_64+0x4c/0xa0
[ 222.842911][ T5405] ? clear_bhb_loop+0x30/0x80
[ 222.847683][ T5405] ? clear_bhb_loop+0x30/0x80
[ 222.852439][ T5405] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 222.858330][ T5405] RIP: 0033:0x7f86669f6f4a
[ 222.862852][ T5405] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 222.882925][ T5405] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 222.891436][ T5405] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 222.899482][ T5405] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 222.907545][ T5405] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 222.915701][ T5405] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 222.923659][ T5405] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 222.931746][ T5405]
[ 222.943156][ T5405] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 222.956562][ T5405] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 223.274930][ T5407] loop1: detected capacity change from 0 to 32768
[ 223.346879][ T5407] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 223.356792][ T5407] CPU: 1 PID: 5407 Comm: syz.1.189 Not tainted syzkaller #0
[ 223.364461][ T5407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 223.374536][ T5407] Call Trace:
[ 223.377832][ T5407]
[ 223.380773][ T5407] dump_stack_lvl+0x188/0x250
[ 223.385464][ T5407] ? show_regs_print_info+0x20/0x20
[ 223.390853][ T5407] ? load_image+0x410/0x410
[ 223.395472][ T5407] sysfs_create_dir_ns+0x26a/0x290
[ 223.400698][ T5407] ? sysfs_warn_dup+0xa0/0xa0
[ 223.405498][ T5407] ? do_raw_spin_unlock+0x11d/0x230
[ 223.410725][ T5407] kobject_add_internal+0x5ba/0xcd0
[ 223.415958][ T5407] kobject_init_and_add+0x128/0x190
[ 223.421189][ T5407] ? lockdep_softirqs_off+0x430/0x430
[ 223.426590][ T5407] ? kobject_add+0x230/0x230
[ 223.431200][ T5407] ? __init_swait_queue_head+0xa4/0x140
[ 223.436755][ T5407] gfs2_sys_fs_add+0x24f/0x4b0
[ 223.441570][ T5407] ? gfs2_recover_set+0x240/0x240
[ 223.447159][ T5407] ? snprintf+0xe5/0x140
[ 223.451444][ T5407] ? __free_pages+0x95/0x1a0
[ 223.456030][ T5407] ? vscnprintf+0x80/0x80
[ 223.460360][ T5407] gfs2_fill_super+0x11ed/0x1ea0
[ 223.465293][ T5407] ? gfs2_reconfigure+0xd80/0xd80
[ 223.470347][ T5407] ? sb_set_blocksize+0xa5/0xe0
[ 223.475405][ T5407] get_tree_bdev+0x3e6/0x610
[ 223.479989][ T5407] ? gfs2_reconfigure+0xd80/0xd80
[ 223.484998][ T5407] gfs2_get_tree+0x4d/0x1e0
[ 223.489575][ T5407] vfs_get_tree+0x88/0x270
[ 223.493981][ T5407] do_new_mount+0x247/0xa40
[ 223.498606][ T5407] __se_sys_mount+0x2e3/0x3d0
[ 223.503286][ T5407] ? __x64_sys_mount+0xc0/0xc0
[ 223.508058][ T5407] ? lockdep_hardirqs_on+0x94/0x140
[ 223.513249][ T5407] ? __x64_sys_mount+0x1c/0xc0
[ 223.518018][ T5407] do_syscall_64+0x4c/0xa0
[ 223.522804][ T5407] ? clear_bhb_loop+0x30/0x80
[ 223.527475][ T5407] ? clear_bhb_loop+0x30/0x80
[ 223.532142][ T5407] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 223.538025][ T5407] RIP: 0033:0x7f86669f6f4a
[ 223.542536][ T5407] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 223.562864][ T5407] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 223.571273][ T5407] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 223.579343][ T5407] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 223.587329][ T5407] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 223.595302][ T5407] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 223.603568][ T5407] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 223.611634][ T5407]
[ 223.615783][ T5407] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 223.629106][ T5407] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 223.946206][ T5409] loop1: detected capacity change from 0 to 32768
[ 223.995693][ T5409] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 224.009762][ T5409] CPU: 1 PID: 5409 Comm: syz.1.190 Not tainted syzkaller #0
[ 224.017094][ T5409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 224.027172][ T5409] Call Trace:
[ 224.030466][ T5409]
[ 224.033402][ T5409] dump_stack_lvl+0x188/0x250
[ 224.038092][ T5409] ? show_regs_print_info+0x20/0x20
[ 224.043316][ T5409] ? load_image+0x410/0x410
[ 224.047945][ T5409] sysfs_create_dir_ns+0x26a/0x290
[ 224.053196][ T5409] ? sysfs_warn_dup+0xa0/0xa0
[ 224.058014][ T5409] ? do_raw_spin_unlock+0x11d/0x230
[ 224.063239][ T5409] kobject_add_internal+0x5ba/0xcd0
[ 224.068545][ T5409] kobject_init_and_add+0x128/0x190
[ 224.073754][ T5409] ? lockdep_softirqs_off+0x430/0x430
[ 224.079151][ T5409] ? kobject_add+0x230/0x230
[ 224.084267][ T5409] ? __init_swait_queue_head+0xa4/0x140
[ 224.089807][ T5409] gfs2_sys_fs_add+0x24f/0x4b0
[ 224.094584][ T5409] ? gfs2_recover_set+0x240/0x240
[ 224.099592][ T5409] ? snprintf+0xe5/0x140
[ 224.103831][ T5409] ? __free_pages+0x95/0x1a0
[ 224.108437][ T5409] ? vscnprintf+0x80/0x80
[ 224.112766][ T5409] gfs2_fill_super+0x11ed/0x1ea0
[ 224.117788][ T5409] ? gfs2_reconfigure+0xd80/0xd80
[ 224.122811][ T5409] ? sb_set_blocksize+0xa5/0xe0
[ 224.127654][ T5409] get_tree_bdev+0x3e6/0x610
[ 224.132236][ T5409] ? gfs2_reconfigure+0xd80/0xd80
[ 224.137261][ T5409] gfs2_get_tree+0x4d/0x1e0
[ 224.141748][ T5409] vfs_get_tree+0x88/0x270
[ 224.146167][ T5409] do_new_mount+0x247/0xa40
[ 224.150690][ T5409] __se_sys_mount+0x2e3/0x3d0
[ 224.155349][ T5409] ? __x64_sys_mount+0xc0/0xc0
[ 224.160100][ T5409] ? lockdep_hardirqs_on+0x94/0x140
[ 224.165293][ T5409] ? __x64_sys_mount+0x1c/0xc0
[ 224.170065][ T5409] do_syscall_64+0x4c/0xa0
[ 224.174494][ T5409] ? clear_bhb_loop+0x30/0x80
[ 224.179189][ T5409] ? clear_bhb_loop+0x30/0x80
[ 224.183909][ T5409] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 224.190150][ T5409] RIP: 0033:0x7f86669f6f4a
[ 224.194994][ T5409] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 224.214592][ T5409] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 224.222995][ T5409] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 224.230953][ T5409] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 224.238913][ T5409] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 224.246870][ T5409] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 224.254918][ T5409] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 224.262932][ T5409]
[ 224.268410][ T5409] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 224.281852][ T5409] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 224.593145][ T5412] loop1: detected capacity change from 0 to 32768
[ 224.603753][ T5412] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 224.611436][ T5412] CPU: 1 PID: 5412 Comm: syz.1.191 Not tainted syzkaller #0
[ 224.618744][ T5412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 224.628816][ T5412] Call Trace:
[ 224.632112][ T5412]
[ 224.635058][ T5412] dump_stack_lvl+0x188/0x250
[ 224.639753][ T5412] ? show_regs_print_info+0x20/0x20
[ 224.644999][ T5412] ? load_image+0x410/0x410
[ 224.649502][ T5412] sysfs_create_dir_ns+0x26a/0x290
[ 224.654608][ T5412] ? sysfs_warn_dup+0xa0/0xa0
[ 224.659271][ T5412] ? do_raw_spin_unlock+0x11d/0x230
[ 224.664454][ T5412] kobject_add_internal+0x5ba/0xcd0
[ 224.669893][ T5412] kobject_init_and_add+0x128/0x190
[ 224.675092][ T5412] ? lockdep_softirqs_off+0x430/0x430
[ 224.680477][ T5412] ? kobject_add+0x230/0x230
[ 224.685058][ T5412] ? __init_swait_queue_head+0xa4/0x140
[ 224.690589][ T5412] gfs2_sys_fs_add+0x24f/0x4b0
[ 224.695339][ T5412] ? gfs2_recover_set+0x240/0x240
[ 224.700368][ T5412] ? snprintf+0xe5/0x140
[ 224.704810][ T5412] ? __free_pages+0x95/0x1a0
[ 224.709518][ T5412] ? vscnprintf+0x80/0x80
[ 224.713870][ T5412] gfs2_fill_super+0x11ed/0x1ea0
[ 224.718811][ T5412] ? gfs2_reconfigure+0xd80/0xd80
[ 224.723864][ T5412] ? sb_set_blocksize+0xa5/0xe0
[ 224.728713][ T5412] get_tree_bdev+0x3e6/0x610
[ 224.733456][ T5412] ? gfs2_reconfigure+0xd80/0xd80
[ 224.738602][ T5412] gfs2_get_tree+0x4d/0x1e0
[ 224.743266][ T5412] vfs_get_tree+0x88/0x270
[ 224.747697][ T5412] do_new_mount+0x247/0xa40
[ 224.752210][ T5412] __se_sys_mount+0x2e3/0x3d0
[ 224.756886][ T5412] ? __x64_sys_mount+0xc0/0xc0
[ 224.761743][ T5412] ? lockdep_hardirqs_on+0x94/0x140
[ 224.767022][ T5412] ? __x64_sys_mount+0x1c/0xc0
[ 224.772050][ T5412] do_syscall_64+0x4c/0xa0
[ 224.776481][ T5412] ? clear_bhb_loop+0x30/0x80
[ 224.781172][ T5412] ? clear_bhb_loop+0x30/0x80
[ 224.785936][ T5412] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 224.791812][ T5412] RIP: 0033:0x7f86669f6f4a
[ 224.796215][ T5412] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 224.815822][ T5412] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 224.824234][ T5412] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 224.832215][ T5412] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 224.840190][ T5412] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 224.848202][ T5412] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 224.856168][ T5412] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 224.864157][ T5412]
[ 224.868416][ T5412] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 224.882088][ T5412] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 225.180383][ T5414] loop1: detected capacity change from 0 to 32768
[ 225.240300][ T5414] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 225.247733][ T5414] CPU: 1 PID: 5414 Comm: syz.1.192 Not tainted syzkaller #0
[ 225.255034][ T5414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 225.265103][ T5414] Call Trace:
[ 225.268390][ T5414]
[ 225.271329][ T5414] dump_stack_lvl+0x188/0x250
[ 225.276076][ T5414] ? show_regs_print_info+0x20/0x20
[ 225.281350][ T5414] ? load_image+0x410/0x410
[ 225.285889][ T5414] sysfs_create_dir_ns+0x26a/0x290
[ 225.291027][ T5414] ? sysfs_warn_dup+0xa0/0xa0
[ 225.295726][ T5414] ? do_raw_spin_unlock+0x11d/0x230
[ 225.300941][ T5414] kobject_add_internal+0x5ba/0xcd0
[ 225.306265][ T5414] kobject_init_and_add+0x128/0x190
[ 225.311833][ T5414] ? lockdep_softirqs_off+0x430/0x430
[ 225.317218][ T5414] ? kobject_add+0x230/0x230
[ 225.321839][ T5414] ? __init_swait_queue_head+0xa4/0x140
[ 225.327379][ T5414] gfs2_sys_fs_add+0x24f/0x4b0
[ 225.332147][ T5414] ? gfs2_recover_set+0x240/0x240
[ 225.337169][ T5414] ? snprintf+0xe5/0x140
[ 225.341401][ T5414] ? __free_pages+0x95/0x1a0
[ 225.346162][ T5414] ? vscnprintf+0x80/0x80
[ 225.350482][ T5414] gfs2_fill_super+0x11ed/0x1ea0
[ 225.355576][ T5414] ? gfs2_reconfigure+0xd80/0xd80
[ 225.360638][ T5414] ? sb_set_blocksize+0xa5/0xe0
[ 225.365657][ T5414] get_tree_bdev+0x3e6/0x610
[ 225.370239][ T5414] ? gfs2_reconfigure+0xd80/0xd80
[ 225.375250][ T5414] gfs2_get_tree+0x4d/0x1e0
[ 225.379755][ T5414] vfs_get_tree+0x88/0x270
[ 225.384158][ T5414] do_new_mount+0x247/0xa40
[ 225.388653][ T5414] __se_sys_mount+0x2e3/0x3d0
[ 225.393327][ T5414] ? __x64_sys_mount+0xc0/0xc0
[ 225.398177][ T5414] ? lockdep_hardirqs_on+0x94/0x140
[ 225.403361][ T5414] ? __x64_sys_mount+0x1c/0xc0
[ 225.408112][ T5414] do_syscall_64+0x4c/0xa0
[ 225.412513][ T5414] ? clear_bhb_loop+0x30/0x80
[ 225.417173][ T5414] ? clear_bhb_loop+0x30/0x80
[ 225.421831][ T5414] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 225.427709][ T5414] RIP: 0033:0x7f86669f6f4a
[ 225.432124][ T5414] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 225.451722][ T5414] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 225.460227][ T5414] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 225.468189][ T5414] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 225.476174][ T5414] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 225.484134][ T5414] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 225.492106][ T5414] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 225.500199][ T5414]
[ 225.504737][ T5414] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 225.517951][ T5414] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 225.828248][ T5416] loop1: detected capacity change from 0 to 32768
[ 225.878323][ T5416] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 225.886109][ T5416] CPU: 0 PID: 5416 Comm: syz.1.193 Not tainted syzkaller #0
[ 225.893496][ T5416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 225.903566][ T5416] Call Trace:
[ 225.907029][ T5416]
[ 225.909976][ T5416] dump_stack_lvl+0x188/0x250
[ 225.914671][ T5416] ? show_regs_print_info+0x20/0x20
[ 225.919975][ T5416] ? load_image+0x410/0x410
[ 225.924501][ T5416] sysfs_create_dir_ns+0x26a/0x290
[ 225.929624][ T5416] ? sysfs_warn_dup+0xa0/0xa0
[ 225.934469][ T5416] ? do_raw_spin_unlock+0x11d/0x230
[ 225.939692][ T5416] kobject_add_internal+0x5ba/0xcd0
[ 225.944911][ T5416] kobject_init_and_add+0x128/0x190
[ 225.950154][ T5416] ? lockdep_softirqs_off+0x430/0x430
[ 225.955523][ T5416] ? kobject_add+0x230/0x230
[ 225.960134][ T5416] ? __init_swait_queue_head+0xa4/0x140
[ 225.965672][ T5416] gfs2_sys_fs_add+0x24f/0x4b0
[ 225.970565][ T5416] ? gfs2_recover_set+0x240/0x240
[ 225.975660][ T5416] ? snprintf+0xe5/0x140
[ 225.979890][ T5416] ? __free_pages+0x95/0x1a0
[ 225.984462][ T5416] ? vscnprintf+0x80/0x80
[ 225.988779][ T5416] gfs2_fill_super+0x11ed/0x1ea0
[ 225.993797][ T5416] ? gfs2_reconfigure+0xd80/0xd80
[ 225.998836][ T5416] ? sb_set_blocksize+0xa5/0xe0
[ 226.003712][ T5416] get_tree_bdev+0x3e6/0x610
[ 226.008319][ T5416] ? gfs2_reconfigure+0xd80/0xd80
[ 226.013348][ T5416] gfs2_get_tree+0x4d/0x1e0
[ 226.017853][ T5416] vfs_get_tree+0x88/0x270
[ 226.022264][ T5416] do_new_mount+0x247/0xa40
[ 226.026788][ T5416] __se_sys_mount+0x2e3/0x3d0
[ 226.031452][ T5416] ? __x64_sys_mount+0xc0/0xc0
[ 226.036202][ T5416] ? lockdep_hardirqs_on+0x94/0x140
[ 226.041389][ T5416] ? __x64_sys_mount+0x1c/0xc0
[ 226.046146][ T5416] do_syscall_64+0x4c/0xa0
[ 226.050632][ T5416] ? clear_bhb_loop+0x30/0x80
[ 226.055290][ T5416] ? clear_bhb_loop+0x30/0x80
[ 226.059950][ T5416] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 226.065850][ T5416] RIP: 0033:0x7f86669f6f4a
[ 226.070250][ T5416] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 226.089966][ T5416] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 226.098488][ T5416] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 226.106577][ T5416] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 226.114605][ T5416] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 226.122730][ T5416] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 226.130739][ T5416] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 226.138817][ T5416]
[ 226.147838][ T5416] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 226.161985][ T5416] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 226.448234][ T5418] loop1: detected capacity change from 0 to 32768
[ 226.497999][ T5418] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 226.505578][ T5418] CPU: 1 PID: 5418 Comm: syz.1.194 Not tainted syzkaller #0
[ 226.512879][ T5418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 226.523126][ T5418] Call Trace:
[ 226.526414][ T5418]
[ 226.529358][ T5418] dump_stack_lvl+0x188/0x250
[ 226.534146][ T5418] ? show_regs_print_info+0x20/0x20
[ 226.539365][ T5418] ? load_image+0x410/0x410
[ 226.543900][ T5418] sysfs_create_dir_ns+0x26a/0x290
[ 226.549115][ T5418] ? sysfs_warn_dup+0xa0/0xa0
[ 226.553928][ T5418] ? do_raw_spin_unlock+0x11d/0x230
[ 226.559148][ T5418] kobject_add_internal+0x5ba/0xcd0
[ 226.564366][ T5418] kobject_init_and_add+0x128/0x190
[ 226.569578][ T5418] ? lockdep_softirqs_off+0x430/0x430
[ 226.575063][ T5418] ? kobject_add+0x230/0x230
[ 226.579677][ T5418] ? __init_swait_queue_head+0xa4/0x140
[ 226.585237][ T5418] gfs2_sys_fs_add+0x24f/0x4b0
[ 226.590094][ T5418] ? gfs2_recover_set+0x240/0x240
[ 226.595103][ T5418] ? snprintf+0xe5/0x140
[ 226.599413][ T5418] ? __free_pages+0x95/0x1a0
[ 226.603984][ T5418] ? vscnprintf+0x80/0x80
[ 226.608328][ T5418] gfs2_fill_super+0x11ed/0x1ea0
[ 226.613267][ T5418] ? gfs2_reconfigure+0xd80/0xd80
[ 226.618326][ T5418] ? sb_set_blocksize+0xa5/0xe0
[ 226.623164][ T5418] get_tree_bdev+0x3e6/0x610
[ 226.627748][ T5418] ? gfs2_reconfigure+0xd80/0xd80
[ 226.632772][ T5418] gfs2_get_tree+0x4d/0x1e0
[ 226.637256][ T5418] vfs_get_tree+0x88/0x270
[ 226.641655][ T5418] do_new_mount+0x247/0xa40
[ 226.646339][ T5418] __se_sys_mount+0x2e3/0x3d0
[ 226.651012][ T5418] ? __x64_sys_mount+0xc0/0xc0
[ 226.655774][ T5418] ? lockdep_hardirqs_on+0x94/0x140
[ 226.660975][ T5418] ? __x64_sys_mount+0x1c/0xc0
[ 226.665768][ T5418] do_syscall_64+0x4c/0xa0
[ 226.670185][ T5418] ? clear_bhb_loop+0x30/0x80
[ 226.674844][ T5418] ? clear_bhb_loop+0x30/0x80
[ 226.679513][ T5418] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 226.685400][ T5418] RIP: 0033:0x7f86669f6f4a
[ 226.689811][ T5418] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 226.709568][ T5418] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 226.718020][ T5418] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 226.726001][ T5418] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 226.733960][ T5418] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 226.741916][ T5418] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 226.749963][ T5418] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 226.758074][ T5418]
[ 226.762845][ T5418] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 226.776051][ T5418] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/09/15 01:07:12 executed programs: 180
[ 227.092715][ T5420] loop1: detected capacity change from 0 to 32768
[ 227.109476][ T5420] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 227.117051][ T5420] CPU: 0 PID: 5420 Comm: syz.1.195 Not tainted syzkaller #0
[ 227.124349][ T5420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 227.134696][ T5420] Call Trace:
[ 227.138030][ T5420]
[ 227.140971][ T5420] dump_stack_lvl+0x188/0x250
[ 227.145668][ T5420] ? show_regs_print_info+0x20/0x20
[ 227.150882][ T5420] ? load_image+0x410/0x410
[ 227.155492][ T5420] sysfs_create_dir_ns+0x26a/0x290
[ 227.160647][ T5420] ? sysfs_warn_dup+0xa0/0xa0
[ 227.165350][ T5420] ? do_raw_spin_unlock+0x11d/0x230
[ 227.170568][ T5420] kobject_add_internal+0x5ba/0xcd0
[ 227.175785][ T5420] kobject_init_and_add+0x128/0x190
[ 227.181039][ T5420] ? lockdep_softirqs_off+0x430/0x430
[ 227.186429][ T5420] ? kobject_add+0x230/0x230
[ 227.191047][ T5420] ? __init_swait_queue_head+0xa4/0x140
[ 227.196714][ T5420] gfs2_sys_fs_add+0x24f/0x4b0
[ 227.201483][ T5420] ? gfs2_recover_set+0x240/0x240
[ 227.206495][ T5420] ? snprintf+0xe5/0x140
[ 227.210793][ T5420] ? __free_pages+0x95/0x1a0
[ 227.215484][ T5420] ? vscnprintf+0x80/0x80
[ 227.219916][ T5420] gfs2_fill_super+0x11ed/0x1ea0
[ 227.224924][ T5420] ? gfs2_reconfigure+0xd80/0xd80
[ 227.229955][ T5420] ? sb_set_blocksize+0xa5/0xe0
[ 227.234826][ T5420] get_tree_bdev+0x3e6/0x610
[ 227.239426][ T5420] ? gfs2_reconfigure+0xd80/0xd80
[ 227.244457][ T5420] gfs2_get_tree+0x4d/0x1e0
[ 227.248952][ T5420] vfs_get_tree+0x88/0x270
[ 227.253477][ T5420] do_new_mount+0x247/0xa40
[ 227.257984][ T5420] __se_sys_mount+0x2e3/0x3d0
[ 227.262679][ T5420] ? __x64_sys_mount+0xc0/0xc0
[ 227.267450][ T5420] ? lockdep_hardirqs_on+0x94/0x140
[ 227.272729][ T5420] ? __x64_sys_mount+0x1c/0xc0
[ 227.277516][ T5420] do_syscall_64+0x4c/0xa0
[ 227.281974][ T5420] ? clear_bhb_loop+0x30/0x80
[ 227.286640][ T5420] ? clear_bhb_loop+0x30/0x80
[ 227.291305][ T5420] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 227.297197][ T5420] RIP: 0033:0x7f86669f6f4a
[ 227.301599][ T5420] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 227.321297][ T5420] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 227.329705][ T5420] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 227.337674][ T5420] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 227.345653][ T5420] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 227.353636][ T5420] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 227.361598][ T5420] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 227.369669][ T5420]
[ 227.377396][ T5420] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 227.390954][ T5420] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 227.693896][ T5422] loop1: detected capacity change from 0 to 32768
[ 227.766641][ T5422] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 227.778152][ T5422] CPU: 0 PID: 5422 Comm: syz.1.196 Not tainted syzkaller #0
[ 227.785473][ T5422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 227.795546][ T5422] Call Trace:
[ 227.798838][ T5422]
[ 227.801774][ T5422] dump_stack_lvl+0x188/0x250
[ 227.806463][ T5422] ? show_regs_print_info+0x20/0x20
[ 227.811670][ T5422] ? load_image+0x410/0x410
[ 227.816205][ T5422] sysfs_create_dir_ns+0x26a/0x290
[ 227.821359][ T5422] ? sysfs_warn_dup+0xa0/0xa0
[ 227.826133][ T5422] ? do_raw_spin_unlock+0x11d/0x230
[ 227.831358][ T5422] kobject_add_internal+0x5ba/0xcd0
[ 227.836584][ T5422] kobject_init_and_add+0x128/0x190
[ 227.841805][ T5422] ? lockdep_softirqs_off+0x430/0x430
[ 227.847194][ T5422] ? kobject_add+0x230/0x230
[ 227.851798][ T5422] ? __init_swait_queue_head+0xa4/0x140
[ 227.857338][ T5422] gfs2_sys_fs_add+0x24f/0x4b0
[ 227.862087][ T5422] ? gfs2_recover_set+0x240/0x240
[ 227.867106][ T5422] ? snprintf+0xe5/0x140
[ 227.871337][ T5422] ? __free_pages+0x95/0x1a0
[ 227.875915][ T5422] ? vscnprintf+0x80/0x80
[ 227.880242][ T5422] gfs2_fill_super+0x11ed/0x1ea0
[ 227.885180][ T5422] ? gfs2_reconfigure+0xd80/0xd80
[ 227.890193][ T5422] ? sb_set_blocksize+0xa5/0xe0
[ 227.895042][ T5422] get_tree_bdev+0x3e6/0x610
[ 227.899616][ T5422] ? gfs2_reconfigure+0xd80/0xd80
[ 227.904633][ T5422] gfs2_get_tree+0x4d/0x1e0
[ 227.909130][ T5422] vfs_get_tree+0x88/0x270
[ 227.913559][ T5422] do_new_mount+0x247/0xa40
[ 227.918064][ T5422] __se_sys_mount+0x2e3/0x3d0
[ 227.922749][ T5422] ? __x64_sys_mount+0xc0/0xc0
[ 227.927517][ T5422] ? lockdep_hardirqs_on+0x94/0x140
[ 227.932732][ T5422] ? __x64_sys_mount+0x1c/0xc0
[ 227.937487][ T5422] do_syscall_64+0x4c/0xa0
[ 227.941903][ T5422] ? clear_bhb_loop+0x30/0x80
[ 227.946575][ T5422] ? clear_bhb_loop+0x30/0x80
[ 227.951244][ T5422] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 227.957131][ T5422] RIP: 0033:0x7f86669f6f4a
[ 227.961568][ T5422] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 227.981175][ T5422] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 227.989580][ T5422] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 227.997571][ T5422] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 228.005536][ T5422] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 228.013699][ T5422] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 228.021664][ T5422] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 228.029633][ T5422]
[ 228.034151][ T5422] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 228.047621][ T5422] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 228.351354][ T5424] loop1: detected capacity change from 0 to 32768
[ 228.398002][ T5424] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 228.405670][ T5424] CPU: 1 PID: 5424 Comm: syz.1.197 Not tainted syzkaller #0
[ 228.412978][ T5424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 228.423043][ T5424] Call Trace:
[ 228.426328][ T5424]
[ 228.429262][ T5424] dump_stack_lvl+0x188/0x250
[ 228.433960][ T5424] ? show_regs_print_info+0x20/0x20
[ 228.439185][ T5424] ? load_image+0x410/0x410
[ 228.443745][ T5424] sysfs_create_dir_ns+0x26a/0x290
[ 228.448872][ T5424] ? sysfs_warn_dup+0xa0/0xa0
[ 228.453591][ T5424] ? do_raw_spin_unlock+0x11d/0x230
[ 228.458811][ T5424] kobject_add_internal+0x5ba/0xcd0
[ 228.464038][ T5424] kobject_init_and_add+0x128/0x190
[ 228.469262][ T5424] ? lockdep_softirqs_off+0x430/0x430
[ 228.474652][ T5424] ? kobject_add+0x230/0x230
[ 228.479315][ T5424] ? __init_swait_queue_head+0xa4/0x140
[ 228.484855][ T5424] gfs2_sys_fs_add+0x24f/0x4b0
[ 228.489704][ T5424] ? gfs2_recover_set+0x240/0x240
[ 228.494724][ T5424] ? snprintf+0xe5/0x140
[ 228.498995][ T5424] ? __free_pages+0x95/0x1a0
[ 228.503670][ T5424] ? vscnprintf+0x80/0x80
[ 228.507999][ T5424] gfs2_fill_super+0x11ed/0x1ea0
[ 228.513029][ T5424] ? gfs2_reconfigure+0xd80/0xd80
[ 228.518050][ T5424] ? sb_set_blocksize+0xa5/0xe0
[ 228.522886][ T5424] get_tree_bdev+0x3e6/0x610
[ 228.527461][ T5424] ? gfs2_reconfigure+0xd80/0xd80
[ 228.532468][ T5424] gfs2_get_tree+0x4d/0x1e0
[ 228.536955][ T5424] vfs_get_tree+0x88/0x270
[ 228.541348][ T5424] do_new_mount+0x247/0xa40
[ 228.545865][ T5424] __se_sys_mount+0x2e3/0x3d0
[ 228.550526][ T5424] ? __x64_sys_mount+0xc0/0xc0
[ 228.555274][ T5424] ? lockdep_hardirqs_on+0x94/0x140
[ 228.560544][ T5424] ? __x64_sys_mount+0x1c/0xc0
[ 228.565330][ T5424] do_syscall_64+0x4c/0xa0
[ 228.569743][ T5424] ? clear_bhb_loop+0x30/0x80
[ 228.574404][ T5424] ? clear_bhb_loop+0x30/0x80
[ 228.579064][ T5424] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 228.584949][ T5424] RIP: 0033:0x7f86669f6f4a
[ 228.589344][ T5424] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 228.608934][ T5424] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 228.617334][ T5424] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 228.625376][ T5424] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 228.633336][ T5424] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 228.641284][ T5424] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 228.649246][ T5424] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 228.657205][ T5424]
[ 228.661570][ T5424] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 228.674800][ T5424] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 229.006342][ T5426] loop1: detected capacity change from 0 to 32768
[ 229.051425][ T5426] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 229.060000][ T5426] CPU: 1 PID: 5426 Comm: syz.1.198 Not tainted syzkaller #0
[ 229.067317][ T5426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 229.077402][ T5426] Call Trace:
[ 229.080695][ T5426]
[ 229.083642][ T5426] dump_stack_lvl+0x188/0x250
[ 229.088349][ T5426] ? show_regs_print_info+0x20/0x20
[ 229.093604][ T5426] ? load_image+0x410/0x410
[ 229.098392][ T5426] sysfs_create_dir_ns+0x26a/0x290
[ 229.103696][ T5426] ? sysfs_warn_dup+0xa0/0xa0
[ 229.108396][ T5426] ? do_raw_spin_unlock+0x11d/0x230
[ 229.113803][ T5426] kobject_add_internal+0x5ba/0xcd0
[ 229.119024][ T5426] kobject_init_and_add+0x128/0x190
[ 229.124237][ T5426] ? lockdep_softirqs_off+0x430/0x430
[ 229.129648][ T5426] ? kobject_add+0x230/0x230
[ 229.134261][ T5426] ? __init_swait_queue_head+0xa4/0x140
[ 229.139822][ T5426] gfs2_sys_fs_add+0x24f/0x4b0
[ 229.144621][ T5426] ? gfs2_recover_set+0x240/0x240
[ 229.149640][ T5426] ? snprintf+0xe5/0x140
[ 229.153894][ T5426] ? __free_pages+0x95/0x1a0
[ 229.158662][ T5426] ? vscnprintf+0x80/0x80
[ 229.162995][ T5426] gfs2_fill_super+0x11ed/0x1ea0
[ 229.167936][ T5426] ? gfs2_reconfigure+0xd80/0xd80
[ 229.172954][ T5426] ? sb_set_blocksize+0xa5/0xe0
[ 229.177802][ T5426] get_tree_bdev+0x3e6/0x610
[ 229.182396][ T5426] ? gfs2_reconfigure+0xd80/0xd80
[ 229.187421][ T5426] gfs2_get_tree+0x4d/0x1e0
[ 229.192036][ T5426] vfs_get_tree+0x88/0x270
[ 229.196460][ T5426] do_new_mount+0x247/0xa40
[ 229.200961][ T5426] __se_sys_mount+0x2e3/0x3d0
[ 229.205715][ T5426] ? __x64_sys_mount+0xc0/0xc0
[ 229.210488][ T5426] ? lockdep_hardirqs_on+0x94/0x140
[ 229.215779][ T5426] ? __x64_sys_mount+0x1c/0xc0
[ 229.220545][ T5426] do_syscall_64+0x4c/0xa0
[ 229.224964][ T5426] ? clear_bhb_loop+0x30/0x80
[ 229.229730][ T5426] ? clear_bhb_loop+0x30/0x80
[ 229.234407][ T5426] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 229.240325][ T5426] RIP: 0033:0x7f86669f6f4a
[ 229.244758][ T5426] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 229.264358][ T5426] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 229.272764][ T5426] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 229.280876][ T5426] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 229.288932][ T5426] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 229.296899][ T5426] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 229.305080][ T5426] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 229.313209][ T5426]
[ 229.317839][ T5426] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 229.331121][ T5426] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 229.646392][ T5428] loop1: detected capacity change from 0 to 32768
[ 229.663704][ T5428] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 229.671227][ T5428] CPU: 0 PID: 5428 Comm: syz.1.199 Not tainted syzkaller #0
[ 229.678531][ T5428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 229.688773][ T5428] Call Trace:
[ 229.692199][ T5428]
[ 229.695142][ T5428] dump_stack_lvl+0x188/0x250
[ 229.699923][ T5428] ? show_regs_print_info+0x20/0x20
[ 229.705325][ T5428] ? load_image+0x410/0x410
[ 229.709869][ T5428] sysfs_create_dir_ns+0x26a/0x290
[ 229.714998][ T5428] ? sysfs_warn_dup+0xa0/0xa0
[ 229.719727][ T5428] ? do_raw_spin_unlock+0x11d/0x230
[ 229.724990][ T5428] kobject_add_internal+0x5ba/0xcd0
[ 229.730208][ T5428] kobject_init_and_add+0x128/0x190
[ 229.735418][ T5428] ? lockdep_softirqs_off+0x430/0x430
[ 229.741104][ T5428] ? kobject_add+0x230/0x230
[ 229.746039][ T5428] ? __init_swait_queue_head+0xa4/0x140
[ 229.751601][ T5428] gfs2_sys_fs_add+0x24f/0x4b0
[ 229.756377][ T5428] ? gfs2_recover_set+0x240/0x240
[ 229.761407][ T5428] ? snprintf+0xe5/0x140
[ 229.765776][ T5428] ? __free_pages+0x95/0x1a0
[ 229.770358][ T5428] ? vscnprintf+0x80/0x80
[ 229.774692][ T5428] gfs2_fill_super+0x11ed/0x1ea0
[ 229.779704][ T5428] ? gfs2_reconfigure+0xd80/0xd80
[ 229.784717][ T5428] ? sb_set_blocksize+0xa5/0xe0
[ 229.789561][ T5428] get_tree_bdev+0x3e6/0x610
[ 229.794156][ T5428] ? gfs2_reconfigure+0xd80/0xd80
[ 229.799170][ T5428] gfs2_get_tree+0x4d/0x1e0
[ 229.803688][ T5428] vfs_get_tree+0x88/0x270
[ 229.808186][ T5428] do_new_mount+0x247/0xa40
[ 229.812718][ T5428] __se_sys_mount+0x2e3/0x3d0
[ 229.817388][ T5428] ? __x64_sys_mount+0xc0/0xc0
[ 229.822130][ T5428] ? lockdep_hardirqs_on+0x94/0x140
[ 229.827309][ T5428] ? __x64_sys_mount+0x1c/0xc0
[ 229.832053][ T5428] do_syscall_64+0x4c/0xa0
[ 229.836456][ T5428] ? clear_bhb_loop+0x30/0x80
[ 229.841127][ T5428] ? clear_bhb_loop+0x30/0x80
[ 229.845787][ T5428] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 229.851675][ T5428] RIP: 0033:0x7f86669f6f4a
[ 229.856087][ T5428] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 229.875831][ T5428] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 229.884240][ T5428] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 229.892231][ T5428] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 229.900194][ T5428] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 229.908154][ T5428] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 229.916432][ T5428] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 229.924422][ T5428]
[ 229.928768][ T5428] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 229.942085][ T5428] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 230.246259][ T5430] loop1: detected capacity change from 0 to 32768
[ 230.309294][ T5430] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 230.317638][ T5430] CPU: 0 PID: 5430 Comm: syz.1.200 Not tainted syzkaller #0
[ 230.324943][ T5430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 230.335107][ T5430] Call Trace:
[ 230.338400][ T5430]
[ 230.341346][ T5430] dump_stack_lvl+0x188/0x250
[ 230.346042][ T5430] ? show_regs_print_info+0x20/0x20
[ 230.351253][ T5430] ? load_image+0x410/0x410
[ 230.355788][ T5430] sysfs_create_dir_ns+0x26a/0x290
[ 230.360923][ T5430] ? sysfs_warn_dup+0xa0/0xa0
[ 230.365621][ T5430] ? do_raw_spin_unlock+0x11d/0x230
[ 230.370836][ T5430] kobject_add_internal+0x5ba/0xcd0
[ 230.376144][ T5430] kobject_init_and_add+0x128/0x190
[ 230.381378][ T5430] ? lockdep_softirqs_off+0x430/0x430
[ 230.386774][ T5430] ? kobject_add+0x230/0x230
[ 230.391384][ T5430] ? __init_swait_queue_head+0xa4/0x140
[ 230.396944][ T5430] gfs2_sys_fs_add+0x24f/0x4b0
[ 230.401701][ T5430] ? gfs2_recover_set+0x240/0x240
[ 230.406721][ T5430] ? snprintf+0xe5/0x140
[ 230.410962][ T5430] ? __free_pages+0x95/0x1a0
[ 230.415562][ T5430] ? vscnprintf+0x80/0x80
[ 230.419931][ T5430] gfs2_fill_super+0x11ed/0x1ea0
[ 230.424881][ T5430] ? gfs2_reconfigure+0xd80/0xd80
[ 230.429927][ T5430] ? sb_set_blocksize+0xa5/0xe0
[ 230.434778][ T5430] get_tree_bdev+0x3e6/0x610
[ 230.439357][ T5430] ? gfs2_reconfigure+0xd80/0xd80
[ 230.444403][ T5430] gfs2_get_tree+0x4d/0x1e0
[ 230.448904][ T5430] vfs_get_tree+0x88/0x270
[ 230.453308][ T5430] do_new_mount+0x247/0xa40
[ 230.457910][ T5430] __se_sys_mount+0x2e3/0x3d0
[ 230.462572][ T5430] ? __x64_sys_mount+0xc0/0xc0
[ 230.467321][ T5430] ? lockdep_hardirqs_on+0x94/0x140
[ 230.472588][ T5430] ? __x64_sys_mount+0x1c/0xc0
[ 230.477336][ T5430] do_syscall_64+0x4c/0xa0
[ 230.481761][ T5430] ? clear_bhb_loop+0x30/0x80
[ 230.486422][ T5430] ? clear_bhb_loop+0x30/0x80
[ 230.491105][ T5430] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 230.497073][ T5430] RIP: 0033:0x7f86669f6f4a
[ 230.501487][ T5430] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 230.521190][ T5430] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 230.529590][ T5430] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 230.537545][ T5430] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 230.545593][ T5430] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 230.553557][ T5430] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 230.561511][ T5430] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 230.569495][ T5430]
[ 230.577328][ T5430] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 230.590891][ T5430] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 230.875192][ T5432] loop1: detected capacity change from 0 to 32768
[ 230.961499][ T5432] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 230.968935][ T5432] CPU: 1 PID: 5432 Comm: syz.1.201 Not tainted syzkaller #0
[ 230.976410][ T5432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 230.986475][ T5432] Call Trace:
[ 230.989933][ T5432]
[ 230.992873][ T5432] dump_stack_lvl+0x188/0x250
[ 230.997577][ T5432] ? show_regs_print_info+0x20/0x20
[ 231.002893][ T5432] ? load_image+0x410/0x410
[ 231.007427][ T5432] sysfs_create_dir_ns+0x26a/0x290
[ 231.012557][ T5432] ? sysfs_warn_dup+0xa0/0xa0
[ 231.017253][ T5432] ? do_raw_spin_unlock+0x11d/0x230
[ 231.022565][ T5432] kobject_add_internal+0x5ba/0xcd0
[ 231.027851][ T5432] kobject_init_and_add+0x128/0x190
[ 231.033052][ T5432] ? lockdep_softirqs_off+0x430/0x430
[ 231.038516][ T5432] ? kobject_add+0x230/0x230
[ 231.043274][ T5432] ? __init_swait_queue_head+0xa4/0x140
[ 231.049001][ T5432] gfs2_sys_fs_add+0x24f/0x4b0
[ 231.053763][ T5432] ? gfs2_recover_set+0x240/0x240
[ 231.058777][ T5432] ? snprintf+0xe5/0x140
[ 231.063009][ T5432] ? __free_pages+0x95/0x1a0
[ 231.067590][ T5432] ? vscnprintf+0x80/0x80
[ 231.071910][ T5432] gfs2_fill_super+0x11ed/0x1ea0
[ 231.076847][ T5432] ? gfs2_reconfigure+0xd80/0xd80
[ 231.081869][ T5432] ? sb_set_blocksize+0xa5/0xe0
[ 231.086812][ T5432] get_tree_bdev+0x3e6/0x610
[ 231.091409][ T5432] ? gfs2_reconfigure+0xd80/0xd80
[ 231.096422][ T5432] gfs2_get_tree+0x4d/0x1e0
[ 231.100924][ T5432] vfs_get_tree+0x88/0x270
[ 231.105332][ T5432] do_new_mount+0x247/0xa40
[ 231.109837][ T5432] __se_sys_mount+0x2e3/0x3d0
[ 231.114514][ T5432] ? __x64_sys_mount+0xc0/0xc0
[ 231.119278][ T5432] ? lockdep_hardirqs_on+0x94/0x140
[ 231.124489][ T5432] ? __x64_sys_mount+0x1c/0xc0
[ 231.129253][ T5432] do_syscall_64+0x4c/0xa0
[ 231.133653][ T5432] ? clear_bhb_loop+0x30/0x80
[ 231.138342][ T5432] ? clear_bhb_loop+0x30/0x80
[ 231.143014][ T5432] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 231.148890][ T5432] RIP: 0033:0x7f86669f6f4a
[ 231.153287][ T5432] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 231.173081][ T5432] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 231.181608][ T5432] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 231.189735][ T5432] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 231.197727][ T5432] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 231.205707][ T5432] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 231.213669][ T5432] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 231.221731][ T5432]
[ 231.225625][ T5432] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 231.238792][ T5432] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 231.543530][ T5434] loop1: detected capacity change from 0 to 32768
[ 231.608759][ T5434] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 231.616305][ T5434] CPU: 0 PID: 5434 Comm: syz.1.202 Not tainted syzkaller #0
[ 231.623782][ T5434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 231.634043][ T5434] Call Trace:
[ 231.637328][ T5434]
[ 231.640261][ T5434] dump_stack_lvl+0x188/0x250
[ 231.645042][ T5434] ? show_regs_print_info+0x20/0x20
[ 231.650260][ T5434] ? load_image+0x410/0x410
[ 231.654788][ T5434] sysfs_create_dir_ns+0x26a/0x290
[ 231.659918][ T5434] ? sysfs_warn_dup+0xa0/0xa0
[ 231.664624][ T5434] ? do_raw_spin_unlock+0x11d/0x230
[ 231.669864][ T5434] kobject_add_internal+0x5ba/0xcd0
[ 231.675090][ T5434] kobject_init_and_add+0x128/0x190
[ 231.680310][ T5434] ? lockdep_softirqs_off+0x430/0x430
[ 231.685969][ T5434] ? kobject_add+0x230/0x230
[ 231.690552][ T5434] ? __init_swait_queue_head+0xa4/0x140
[ 231.696091][ T5434] gfs2_sys_fs_add+0x24f/0x4b0
[ 231.700842][ T5434] ? gfs2_recover_set+0x240/0x240
[ 231.705852][ T5434] ? snprintf+0xe5/0x140
[ 231.710088][ T5434] ? __free_pages+0x95/0x1a0
[ 231.714664][ T5434] ? vscnprintf+0x80/0x80
[ 231.718997][ T5434] gfs2_fill_super+0x11ed/0x1ea0
[ 231.723921][ T5434] ? gfs2_reconfigure+0xd80/0xd80
[ 231.728941][ T5434] ? sb_set_blocksize+0xa5/0xe0
[ 231.733779][ T5434] get_tree_bdev+0x3e6/0x610
[ 231.738364][ T5434] ? gfs2_reconfigure+0xd80/0xd80
[ 231.743378][ T5434] gfs2_get_tree+0x4d/0x1e0
[ 231.747971][ T5434] vfs_get_tree+0x88/0x270
[ 231.752390][ T5434] do_new_mount+0x247/0xa40
[ 231.756916][ T5434] __se_sys_mount+0x2e3/0x3d0
[ 231.761609][ T5434] ? __x64_sys_mount+0xc0/0xc0
[ 231.766364][ T5434] ? lockdep_hardirqs_on+0x94/0x140
[ 231.771639][ T5434] ? __x64_sys_mount+0x1c/0xc0
[ 231.776396][ T5434] do_syscall_64+0x4c/0xa0
[ 231.780829][ T5434] ? clear_bhb_loop+0x30/0x80
[ 231.785492][ T5434] ? clear_bhb_loop+0x30/0x80
[ 231.790153][ T5434] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 231.796236][ T5434] RIP: 0033:0x7f86669f6f4a
[ 231.800667][ T5434] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 231.820376][ T5434] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 231.828784][ T5434] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 231.836744][ T5434] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 231.844715][ T5434] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 231.852698][ T5434] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 231.860769][ T5434] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 231.868738][ T5434]
[ 231.880024][ T5434] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 231.893283][ T5434] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/09/15 01:07:17 executed programs: 188
[ 232.231802][ T5436] loop1: detected capacity change from 0 to 32768
[ 232.310925][ T5436] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 232.318592][ T5436] CPU: 1 PID: 5436 Comm: syz.1.203 Not tainted syzkaller #0
[ 232.325984][ T5436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 232.336057][ T5436] Call Trace:
[ 232.339350][ T5436]
[ 232.342302][ T5436] dump_stack_lvl+0x188/0x250
[ 232.347035][ T5436] ? show_regs_print_info+0x20/0x20
[ 232.352344][ T5436] ? load_image+0x410/0x410
[ 232.356885][ T5436] sysfs_create_dir_ns+0x26a/0x290
[ 232.362095][ T5436] ? sysfs_warn_dup+0xa0/0xa0
[ 232.366785][ T5436] ? do_raw_spin_unlock+0x11d/0x230
[ 232.371999][ T5436] kobject_add_internal+0x5ba/0xcd0
[ 232.377200][ T5436] kobject_init_and_add+0x128/0x190
[ 232.382392][ T5436] ? lockdep_softirqs_off+0x430/0x430
[ 232.387752][ T5436] ? kobject_add+0x230/0x230
[ 232.392396][ T5436] ? __init_swait_queue_head+0xa4/0x140
[ 232.397971][ T5436] gfs2_sys_fs_add+0x24f/0x4b0
[ 232.402731][ T5436] ? gfs2_recover_set+0x240/0x240
[ 232.407747][ T5436] ? snprintf+0xe5/0x140
[ 232.411995][ T5436] ? __free_pages+0x95/0x1a0
[ 232.416591][ T5436] ? vscnprintf+0x80/0x80
[ 232.420915][ T5436] gfs2_fill_super+0x11ed/0x1ea0
[ 232.425929][ T5436] ? gfs2_reconfigure+0xd80/0xd80
[ 232.431090][ T5436] ? sb_set_blocksize+0xa5/0xe0
[ 232.436038][ T5436] get_tree_bdev+0x3e6/0x610
[ 232.440618][ T5436] ? gfs2_reconfigure+0xd80/0xd80
[ 232.445630][ T5436] gfs2_get_tree+0x4d/0x1e0
[ 232.450118][ T5436] vfs_get_tree+0x88/0x270
[ 232.454544][ T5436] do_new_mount+0x247/0xa40
[ 232.459048][ T5436] __se_sys_mount+0x2e3/0x3d0
[ 232.463934][ T5436] ? __x64_sys_mount+0xc0/0xc0
[ 232.468698][ T5436] ? lockdep_hardirqs_on+0x94/0x140
[ 232.473973][ T5436] ? __x64_sys_mount+0x1c/0xc0
[ 232.478726][ T5436] do_syscall_64+0x4c/0xa0
[ 232.483137][ T5436] ? clear_bhb_loop+0x30/0x80
[ 232.487800][ T5436] ? clear_bhb_loop+0x30/0x80
[ 232.492468][ T5436] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 232.498364][ T5436] RIP: 0033:0x7f86669f6f4a
[ 232.502876][ T5436] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 232.522626][ T5436] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 232.531047][ T5436] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 232.539022][ T5436] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 232.547085][ T5436] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 232.555136][ T5436] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 232.563195][ T5436] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 232.571182][ T5436]
[ 232.575345][ T5436] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 232.588776][ T5436] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 232.888060][ T5438] loop1: detected capacity change from 0 to 32768
[ 232.949279][ T5438] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 232.956692][ T5438] CPU: 1 PID: 5438 Comm: syz.1.204 Not tainted syzkaller #0
[ 232.963989][ T5438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 232.974156][ T5438] Call Trace:
[ 232.977453][ T5438]
[ 232.980391][ T5438] dump_stack_lvl+0x188/0x250
[ 232.985085][ T5438] ? show_regs_print_info+0x20/0x20
[ 232.990298][ T5438] ? load_image+0x410/0x410
[ 232.994830][ T5438] sysfs_create_dir_ns+0x26a/0x290
[ 232.999960][ T5438] ? sysfs_warn_dup+0xa0/0xa0
[ 233.004745][ T5438] ? do_raw_spin_unlock+0x11d/0x230
[ 233.009959][ T5438] kobject_add_internal+0x5ba/0xcd0
[ 233.015259][ T5438] kobject_init_and_add+0x128/0x190
[ 233.020476][ T5438] ? lockdep_softirqs_off+0x430/0x430
[ 233.025874][ T5438] ? kobject_add+0x230/0x230
[ 233.030572][ T5438] ? __init_swait_queue_head+0xa4/0x140
[ 233.036483][ T5438] gfs2_sys_fs_add+0x24f/0x4b0
[ 233.041251][ T5438] ? gfs2_recover_set+0x240/0x240
[ 233.046255][ T5438] ? snprintf+0xe5/0x140
[ 233.050593][ T5438] ? __free_pages+0x95/0x1a0
[ 233.055166][ T5438] ? vscnprintf+0x80/0x80
[ 233.059492][ T5438] gfs2_fill_super+0x11ed/0x1ea0
[ 233.064444][ T5438] ? gfs2_reconfigure+0xd80/0xd80
[ 233.069481][ T5438] ? sb_set_blocksize+0xa5/0xe0
[ 233.074317][ T5438] get_tree_bdev+0x3e6/0x610
[ 233.078974][ T5438] ? gfs2_reconfigure+0xd80/0xd80
[ 233.083989][ T5438] gfs2_get_tree+0x4d/0x1e0
[ 233.088484][ T5438] vfs_get_tree+0x88/0x270
[ 233.092898][ T5438] do_new_mount+0x247/0xa40
[ 233.097414][ T5438] __se_sys_mount+0x2e3/0x3d0
[ 233.102437][ T5438] ? __x64_sys_mount+0xc0/0xc0
[ 233.107210][ T5438] ? lockdep_hardirqs_on+0x94/0x140
[ 233.112398][ T5438] ? __x64_sys_mount+0x1c/0xc0
[ 233.117178][ T5438] do_syscall_64+0x4c/0xa0
[ 233.121575][ T5438] ? clear_bhb_loop+0x30/0x80
[ 233.126235][ T5438] ? clear_bhb_loop+0x30/0x80
[ 233.130934][ T5438] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 233.136821][ T5438] RIP: 0033:0x7f86669f6f4a
[ 233.141241][ T5438] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 233.160924][ T5438] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 233.169359][ T5438] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 233.177321][ T5438] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 233.185285][ T5438] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 233.193260][ T5438] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 233.201394][ T5438] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 233.209378][ T5438]
[ 233.213517][ T5438] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 233.227269][ T5438] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 233.532675][ T5440] loop1: detected capacity change from 0 to 32768
[ 233.591320][ T5440] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 233.598825][ T5440] CPU: 0 PID: 5440 Comm: syz.1.205 Not tainted syzkaller #0
[ 233.606128][ T5440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 233.616280][ T5440] Call Trace:
[ 233.619575][ T5440]
[ 233.622689][ T5440] dump_stack_lvl+0x188/0x250
[ 233.627378][ T5440] ? show_regs_print_info+0x20/0x20
[ 233.632590][ T5440] ? load_image+0x410/0x410
[ 233.637218][ T5440] sysfs_create_dir_ns+0x26a/0x290
[ 233.642348][ T5440] ? sysfs_warn_dup+0xa0/0xa0
[ 233.647044][ T5440] ? do_raw_spin_unlock+0x11d/0x230
[ 233.652257][ T5440] kobject_add_internal+0x5ba/0xcd0
[ 233.657562][ T5440] kobject_init_and_add+0x128/0x190
[ 233.662771][ T5440] ? lockdep_softirqs_off+0x430/0x430
[ 233.668134][ T5440] ? kobject_add+0x230/0x230
[ 233.672717][ T5440] ? __init_swait_queue_head+0xa4/0x140
[ 233.678397][ T5440] gfs2_sys_fs_add+0x24f/0x4b0
[ 233.683183][ T5440] ? gfs2_recover_set+0x240/0x240
[ 233.688209][ T5440] ? snprintf+0xe5/0x140
[ 233.692514][ T5440] ? __free_pages+0x95/0x1a0
[ 233.697121][ T5440] ? vscnprintf+0x80/0x80
[ 233.701454][ T5440] gfs2_fill_super+0x11ed/0x1ea0
[ 233.706891][ T5440] ? gfs2_reconfigure+0xd80/0xd80
[ 233.711928][ T5440] ? sb_set_blocksize+0xa5/0xe0
[ 233.716773][ T5440] get_tree_bdev+0x3e6/0x610
[ 233.721349][ T5440] ? gfs2_reconfigure+0xd80/0xd80
[ 233.726373][ T5440] gfs2_get_tree+0x4d/0x1e0
[ 233.730876][ T5440] vfs_get_tree+0x88/0x270
[ 233.735470][ T5440] do_new_mount+0x247/0xa40
[ 233.739988][ T5440] __se_sys_mount+0x2e3/0x3d0
[ 233.744680][ T5440] ? __x64_sys_mount+0xc0/0xc0
[ 233.749473][ T5440] ? lockdep_hardirqs_on+0x94/0x140
[ 233.754687][ T5440] ? __x64_sys_mount+0x1c/0xc0
[ 233.759567][ T5440] do_syscall_64+0x4c/0xa0
[ 233.764826][ T5440] ? clear_bhb_loop+0x30/0x80
[ 233.769677][ T5440] ? clear_bhb_loop+0x30/0x80
[ 233.774394][ T5440] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 233.780288][ T5440] RIP: 0033:0x7f86669f6f4a
[ 233.784702][ T5440] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 233.804302][ T5440] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 233.812711][ T5440] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 233.820726][ T5440] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 233.828718][ T5440] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 233.836673][ T5440] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 233.844748][ T5440] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 233.852727][ T5440]
[ 233.857160][ T5440] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 233.870389][ T5440] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 234.185845][ T5442] loop1: detected capacity change from 0 to 32768
[ 234.229295][ T5442] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 234.236722][ T5442] CPU: 0 PID: 5442 Comm: syz.1.206 Not tainted syzkaller #0
[ 234.244014][ T5442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 234.254166][ T5442] Call Trace:
[ 234.257455][ T5442]
[ 234.260423][ T5442] dump_stack_lvl+0x188/0x250
[ 234.265111][ T5442] ? show_regs_print_info+0x20/0x20
[ 234.270319][ T5442] ? load_image+0x410/0x410
[ 234.274871][ T5442] sysfs_create_dir_ns+0x26a/0x290
[ 234.280000][ T5442] ? sysfs_warn_dup+0xa0/0xa0
[ 234.284695][ T5442] ? do_raw_spin_unlock+0x11d/0x230
[ 234.289906][ T5442] kobject_add_internal+0x5ba/0xcd0
[ 234.295129][ T5442] kobject_init_and_add+0x128/0x190
[ 234.300341][ T5442] ? lockdep_softirqs_off+0x430/0x430
[ 234.305737][ T5442] ? kobject_add+0x230/0x230
[ 234.310413][ T5442] ? __init_swait_queue_head+0xa4/0x140
[ 234.315986][ T5442] gfs2_sys_fs_add+0x24f/0x4b0
[ 234.320740][ T5442] ? gfs2_recover_set+0x240/0x240
[ 234.326013][ T5442] ? snprintf+0xe5/0x140
[ 234.330244][ T5442] ? __free_pages+0x95/0x1a0
[ 234.334845][ T5442] ? vscnprintf+0x80/0x80
[ 234.339166][ T5442] gfs2_fill_super+0x11ed/0x1ea0
[ 234.344188][ T5442] ? gfs2_reconfigure+0xd80/0xd80
[ 234.349208][ T5442] ? sb_set_blocksize+0xa5/0xe0
[ 234.354100][ T5442] get_tree_bdev+0x3e6/0x610
[ 234.359025][ T5442] ? gfs2_reconfigure+0xd80/0xd80
[ 234.364049][ T5442] gfs2_get_tree+0x4d/0x1e0
[ 234.368551][ T5442] vfs_get_tree+0x88/0x270
[ 234.372975][ T5442] do_new_mount+0x247/0xa40
[ 234.377643][ T5442] __se_sys_mount+0x2e3/0x3d0
[ 234.382344][ T5442] ? __x64_sys_mount+0xc0/0xc0
[ 234.387104][ T5442] ? lockdep_hardirqs_on+0x94/0x140
[ 234.392302][ T5442] ? __x64_sys_mount+0x1c/0xc0
[ 234.397070][ T5442] do_syscall_64+0x4c/0xa0
[ 234.401474][ T5442] ? clear_bhb_loop+0x30/0x80
[ 234.406146][ T5442] ? clear_bhb_loop+0x30/0x80
[ 234.410808][ T5442] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 234.416701][ T5442] RIP: 0033:0x7f86669f6f4a
[ 234.421118][ T5442] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 234.440978][ T5442] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 234.449383][ T5442] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 234.457374][ T5442] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 234.465350][ T5442] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 234.473314][ T5442] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 234.481362][ T5442] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 234.489359][ T5442]
[ 234.493482][ T5442] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 234.506880][ T5442] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 234.816375][ T5444] loop1: detected capacity change from 0 to 32768
[ 234.864102][ T5444] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 234.871860][ T5444] CPU: 0 PID: 5444 Comm: syz.1.207 Not tainted syzkaller #0
[ 234.879169][ T5444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 234.889455][ T5444] Call Trace:
[ 234.892748][ T5444]
[ 234.895690][ T5444] dump_stack_lvl+0x188/0x250
[ 234.900379][ T5444] ? show_regs_print_info+0x20/0x20
[ 234.905582][ T5444] ? load_image+0x410/0x410
[ 234.910104][ T5444] sysfs_create_dir_ns+0x26a/0x290
[ 234.915233][ T5444] ? sysfs_warn_dup+0xa0/0xa0
[ 234.919927][ T5444] ? do_raw_spin_unlock+0x11d/0x230
[ 234.925173][ T5444] kobject_add_internal+0x5ba/0xcd0
[ 234.930392][ T5444] kobject_init_and_add+0x128/0x190
[ 234.935706][ T5444] ? lockdep_softirqs_off+0x430/0x430
[ 234.941095][ T5444] ? kobject_add+0x230/0x230
[ 234.945705][ T5444] ? __init_swait_queue_head+0xa4/0x140
[ 234.951265][ T5444] gfs2_sys_fs_add+0x24f/0x4b0
[ 234.956112][ T5444] ? gfs2_recover_set+0x240/0x240
[ 234.961119][ T5444] ? snprintf+0xe5/0x140
[ 234.965385][ T5444] ? __free_pages+0x95/0x1a0
[ 234.970132][ T5444] ? vscnprintf+0x80/0x80
[ 234.974514][ T5444] gfs2_fill_super+0x11ed/0x1ea0
[ 234.979637][ T5444] ? gfs2_reconfigure+0xd80/0xd80
[ 234.984674][ T5444] ? sb_set_blocksize+0xa5/0xe0
[ 234.989713][ T5444] get_tree_bdev+0x3e6/0x610
[ 234.994304][ T5444] ? gfs2_reconfigure+0xd80/0xd80
[ 234.999417][ T5444] gfs2_get_tree+0x4d/0x1e0
[ 235.003908][ T5444] vfs_get_tree+0x88/0x270
[ 235.008341][ T5444] do_new_mount+0x247/0xa40
[ 235.012872][ T5444] __se_sys_mount+0x2e3/0x3d0
[ 235.017554][ T5444] ? __x64_sys_mount+0xc0/0xc0
[ 235.022368][ T5444] ? lockdep_hardirqs_on+0x94/0x140
[ 235.027671][ T5444] ? __x64_sys_mount+0x1c/0xc0
[ 235.032425][ T5444] do_syscall_64+0x4c/0xa0
[ 235.036833][ T5444] ? clear_bhb_loop+0x30/0x80
[ 235.041494][ T5444] ? clear_bhb_loop+0x30/0x80
[ 235.046160][ T5444] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 235.052038][ T5444] RIP: 0033:0x7f86669f6f4a
[ 235.056453][ T5444] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 235.076053][ T5444] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 235.084474][ T5444] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 235.092454][ T5444] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 235.100513][ T5444] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 235.108580][ T5444] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 235.116541][ T5444] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 235.124520][ T5444]
[ 235.135830][ T5444] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 235.149133][ T5444] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 235.445227][ T5446] loop1: detected capacity change from 0 to 32768
[ 235.524169][ T5446] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 235.532760][ T5446] CPU: 1 PID: 5446 Comm: syz.1.208 Not tainted syzkaller #0
[ 235.540084][ T5446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 235.550198][ T5446] Call Trace:
[ 235.553509][ T5446]
[ 235.556561][ T5446] dump_stack_lvl+0x188/0x250
[ 235.561359][ T5446] ? show_regs_print_info+0x20/0x20
[ 235.566581][ T5446] ? load_image+0x410/0x410
[ 235.571110][ T5446] sysfs_create_dir_ns+0x26a/0x290
[ 235.576236][ T5446] ? sysfs_warn_dup+0xa0/0xa0
[ 235.580927][ T5446] ? do_raw_spin_unlock+0x11d/0x230
[ 235.586159][ T5446] kobject_add_internal+0x5ba/0xcd0
[ 235.591388][ T5446] kobject_init_and_add+0x128/0x190
[ 235.596698][ T5446] ? lockdep_softirqs_off+0x430/0x430
[ 235.602152][ T5446] ? kobject_add+0x230/0x230
[ 235.606852][ T5446] ? __init_swait_queue_head+0xa4/0x140
[ 235.612397][ T5446] gfs2_sys_fs_add+0x24f/0x4b0
[ 235.617155][ T5446] ? gfs2_recover_set+0x240/0x240
[ 235.622167][ T5446] ? snprintf+0xe5/0x140
[ 235.626402][ T5446] ? __free_pages+0x95/0x1a0
[ 235.630979][ T5446] ? vscnprintf+0x80/0x80
[ 235.635295][ T5446] gfs2_fill_super+0x11ed/0x1ea0
[ 235.640248][ T5446] ? gfs2_reconfigure+0xd80/0xd80
[ 235.645383][ T5446] ? sb_set_blocksize+0xa5/0xe0
[ 235.650331][ T5446] get_tree_bdev+0x3e6/0x610
[ 235.654946][ T5446] ? gfs2_reconfigure+0xd80/0xd80
[ 235.659960][ T5446] gfs2_get_tree+0x4d/0x1e0
[ 235.664477][ T5446] vfs_get_tree+0x88/0x270
[ 235.668895][ T5446] do_new_mount+0x247/0xa40
[ 235.673418][ T5446] __se_sys_mount+0x2e3/0x3d0
[ 235.678083][ T5446] ? __x64_sys_mount+0xc0/0xc0
[ 235.682831][ T5446] ? lockdep_hardirqs_on+0x94/0x140
[ 235.688016][ T5446] ? __x64_sys_mount+0x1c/0xc0
[ 235.692768][ T5446] do_syscall_64+0x4c/0xa0
[ 235.697178][ T5446] ? clear_bhb_loop+0x30/0x80
[ 235.701944][ T5446] ? clear_bhb_loop+0x30/0x80
[ 235.706642][ T5446] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 235.712531][ T5446] RIP: 0033:0x7f86669f6f4a
[ 235.716977][ T5446] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 235.736691][ T5446] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 235.745098][ T5446] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 235.753059][ T5446] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 235.761038][ T5446] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 235.769017][ T5446] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 235.776997][ T5446] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 235.784965][ T5446]
[ 235.789427][ T5446] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 235.802871][ T5446] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 236.128531][ T5448] loop1: detected capacity change from 0 to 32768
[ 236.181503][ T5448] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 236.188934][ T5448] CPU: 1 PID: 5448 Comm: syz.1.209 Not tainted syzkaller #0
[ 236.196241][ T5448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 236.206311][ T5448] Call Trace:
[ 236.209607][ T5448]
[ 236.212548][ T5448] dump_stack_lvl+0x188/0x250
[ 236.217250][ T5448] ? show_regs_print_info+0x20/0x20
[ 236.222467][ T5448] ? load_image+0x410/0x410
[ 236.227002][ T5448] sysfs_create_dir_ns+0x26a/0x290
[ 236.232230][ T5448] ? sysfs_warn_dup+0xa0/0xa0
[ 236.236939][ T5448] ? do_raw_spin_unlock+0x11d/0x230
[ 236.242170][ T5448] kobject_add_internal+0x5ba/0xcd0
[ 236.247396][ T5448] kobject_init_and_add+0x128/0x190
[ 236.252615][ T5448] ? lockdep_softirqs_off+0x430/0x430
[ 236.258015][ T5448] ? kobject_add+0x230/0x230
[ 236.262629][ T5448] ? __init_swait_queue_head+0xa4/0x140
[ 236.268276][ T5448] gfs2_sys_fs_add+0x24f/0x4b0
[ 236.273154][ T5448] ? gfs2_recover_set+0x240/0x240
[ 236.278200][ T5448] ? snprintf+0xe5/0x140
[ 236.282459][ T5448] ? __free_pages+0x95/0x1a0
[ 236.287048][ T5448] ? vscnprintf+0x80/0x80
[ 236.291378][ T5448] gfs2_fill_super+0x11ed/0x1ea0
[ 236.296424][ T5448] ? gfs2_reconfigure+0xd80/0xd80
[ 236.301582][ T5448] ? sb_set_blocksize+0xa5/0xe0
[ 236.306439][ T5448] get_tree_bdev+0x3e6/0x610
[ 236.311026][ T5448] ? gfs2_reconfigure+0xd80/0xd80
[ 236.316040][ T5448] gfs2_get_tree+0x4d/0x1e0
[ 236.320636][ T5448] vfs_get_tree+0x88/0x270
[ 236.325056][ T5448] do_new_mount+0x247/0xa40
[ 236.329560][ T5448] __se_sys_mount+0x2e3/0x3d0
[ 236.334240][ T5448] ? __x64_sys_mount+0xc0/0xc0
[ 236.339015][ T5448] ? lockdep_hardirqs_on+0x94/0x140
[ 236.344228][ T5448] ? __x64_sys_mount+0x1c/0xc0
[ 236.348991][ T5448] do_syscall_64+0x4c/0xa0
[ 236.353414][ T5448] ? clear_bhb_loop+0x30/0x80
[ 236.358109][ T5448] ? clear_bhb_loop+0x30/0x80
[ 236.362799][ T5448] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 236.368774][ T5448] RIP: 0033:0x7f86669f6f4a
[ 236.373275][ T5448] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 236.392879][ T5448] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 236.401412][ T5448] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 236.409372][ T5448] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 236.417340][ T5448] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 236.425319][ T5448] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 236.433437][ T5448] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 236.441434][ T5448]
[ 236.445843][ T5448] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 236.459083][ T5448] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 236.762196][ T5450] loop1: detected capacity change from 0 to 32768
[ 236.807514][ T5450] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 236.815025][ T5450] CPU: 1 PID: 5450 Comm: syz.1.210 Not tainted syzkaller #0
[ 236.822417][ T5450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 236.832570][ T5450] Call Trace:
[ 236.835949][ T5450]
[ 236.838891][ T5450] dump_stack_lvl+0x188/0x250
[ 236.843595][ T5450] ? show_regs_print_info+0x20/0x20
[ 236.848805][ T5450] ? load_image+0x410/0x410
[ 236.853329][ T5450] sysfs_create_dir_ns+0x26a/0x290
[ 236.858471][ T5450] ? sysfs_warn_dup+0xa0/0xa0
[ 236.863170][ T5450] ? do_raw_spin_unlock+0x11d/0x230
[ 236.868394][ T5450] kobject_add_internal+0x5ba/0xcd0
[ 236.873623][ T5450] kobject_init_and_add+0x128/0x190
[ 236.878841][ T5450] ? lockdep_softirqs_off+0x430/0x430
[ 236.884227][ T5450] ? kobject_add+0x230/0x230
[ 236.888833][ T5450] ? __init_swait_queue_head+0xa4/0x140
[ 236.894397][ T5450] gfs2_sys_fs_add+0x24f/0x4b0
[ 236.899157][ T5450] ? gfs2_recover_set+0x240/0x240
[ 236.904204][ T5450] ? snprintf+0xe5/0x140
[ 236.908523][ T5450] ? __free_pages+0x95/0x1a0
[ 236.913113][ T5450] ? vscnprintf+0x80/0x80
[ 236.917441][ T5450] gfs2_fill_super+0x11ed/0x1ea0
[ 236.922382][ T5450] ? gfs2_reconfigure+0xd80/0xd80
[ 236.927493][ T5450] ? sb_set_blocksize+0xa5/0xe0
[ 236.932342][ T5450] get_tree_bdev+0x3e6/0x610
[ 236.937028][ T5450] ? gfs2_reconfigure+0xd80/0xd80
[ 236.942083][ T5450] gfs2_get_tree+0x4d/0x1e0
[ 236.946685][ T5450] vfs_get_tree+0x88/0x270
[ 236.951095][ T5450] do_new_mount+0x247/0xa40
[ 236.955642][ T5450] __se_sys_mount+0x2e3/0x3d0
[ 236.960362][ T5450] ? __x64_sys_mount+0xc0/0xc0
[ 236.965160][ T5450] ? lockdep_hardirqs_on+0x94/0x140
[ 236.971077][ T5450] ? __x64_sys_mount+0x1c/0xc0
[ 236.975863][ T5450] do_syscall_64+0x4c/0xa0
[ 236.980264][ T5450] ? clear_bhb_loop+0x30/0x80
[ 236.984926][ T5450] ? clear_bhb_loop+0x30/0x80
[ 236.989587][ T5450] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 236.995466][ T5450] RIP: 0033:0x7f86669f6f4a
[ 236.999905][ T5450] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 237.019500][ T5450] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 237.027923][ T5450] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 237.035894][ T5450] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 237.043859][ T5450] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 237.051822][ T5450] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 237.059785][ T5450] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 237.067762][ T5450]
[ 237.073599][ T5450] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 237.087072][ T5450] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/09/15 01:07:23 executed programs: 196
[ 237.239250][ T4961] Bluetooth: hci1: command 0x0406 tx timeout
[ 237.383465][ T5452] loop1: detected capacity change from 0 to 32768
[ 237.457037][ T5452] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 237.464530][ T5452] CPU: 1 PID: 5452 Comm: syz.1.211 Not tainted syzkaller #0
[ 237.471841][ T5452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 237.481910][ T5452] Call Trace:
[ 237.485215][ T5452]
[ 237.488150][ T5452] dump_stack_lvl+0x188/0x250
[ 237.492847][ T5452] ? show_regs_print_info+0x20/0x20
[ 237.498094][ T5452] ? load_image+0x410/0x410
[ 237.503323][ T5452] sysfs_create_dir_ns+0x26a/0x290
[ 237.508452][ T5452] ? sysfs_warn_dup+0xa0/0xa0
[ 237.513148][ T5452] ? do_raw_spin_unlock+0x11d/0x230
[ 237.518377][ T5452] kobject_add_internal+0x5ba/0xcd0
[ 237.523593][ T5452] kobject_init_and_add+0x128/0x190
[ 237.528814][ T5452] ? lockdep_softirqs_off+0x430/0x430
[ 237.534417][ T5452] ? kobject_add+0x230/0x230
[ 237.539003][ T5452] ? __init_swait_queue_head+0xa4/0x140
[ 237.544541][ T5452] gfs2_sys_fs_add+0x24f/0x4b0
[ 237.549347][ T5452] ? gfs2_recover_set+0x240/0x240
[ 237.554431][ T5452] ? snprintf+0xe5/0x140
[ 237.558666][ T5452] ? __free_pages+0x95/0x1a0
[ 237.563372][ T5452] ? vscnprintf+0x80/0x80
[ 237.567709][ T5452] gfs2_fill_super+0x11ed/0x1ea0
[ 237.572747][ T5452] ? gfs2_reconfigure+0xd80/0xd80
[ 237.577782][ T5452] ? sb_set_blocksize+0xa5/0xe0
[ 237.582632][ T5452] get_tree_bdev+0x3e6/0x610
[ 237.587344][ T5452] ? gfs2_reconfigure+0xd80/0xd80
[ 237.592396][ T5452] gfs2_get_tree+0x4d/0x1e0
[ 237.596890][ T5452] vfs_get_tree+0x88/0x270
[ 237.601291][ T5452] do_new_mount+0x247/0xa40
[ 237.605801][ T5452] __se_sys_mount+0x2e3/0x3d0
[ 237.610474][ T5452] ? __x64_sys_mount+0xc0/0xc0
[ 237.615226][ T5452] ? lockdep_hardirqs_on+0x94/0x140
[ 237.620408][ T5452] ? __x64_sys_mount+0x1c/0xc0
[ 237.625173][ T5452] do_syscall_64+0x4c/0xa0
[ 237.629576][ T5452] ? clear_bhb_loop+0x30/0x80
[ 237.634232][ T5452] ? clear_bhb_loop+0x30/0x80
[ 237.638978][ T5452] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 237.644859][ T5452] RIP: 0033:0x7f86669f6f4a
[ 237.649258][ T5452] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 237.668869][ T5452] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 237.677461][ T5452] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 237.685439][ T5452] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 237.693409][ T5452] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 237.701373][ T5452] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 237.709330][ T5452] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 237.717327][ T5452]
[ 237.721803][ T5452] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 237.735096][ T5452] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 238.043566][ T5454] loop1: detected capacity change from 0 to 32768
[ 238.098579][ T5454] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 238.106067][ T5454] CPU: 1 PID: 5454 Comm: syz.1.212 Not tainted syzkaller #0
[ 238.113408][ T5454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 238.123487][ T5454] Call Trace:
[ 238.126784][ T5454]
[ 238.129821][ T5454] dump_stack_lvl+0x188/0x250
[ 238.134519][ T5454] ? show_regs_print_info+0x20/0x20
[ 238.139734][ T5454] ? load_image+0x410/0x410
[ 238.144272][ T5454] sysfs_create_dir_ns+0x26a/0x290
[ 238.149408][ T5454] ? sysfs_warn_dup+0xa0/0xa0
[ 238.154298][ T5454] ? do_raw_spin_unlock+0x11d/0x230
[ 238.159516][ T5454] kobject_add_internal+0x5ba/0xcd0
[ 238.164758][ T5454] kobject_init_and_add+0x128/0x190
[ 238.170075][ T5454] ? lockdep_softirqs_off+0x430/0x430
[ 238.175557][ T5454] ? kobject_add+0x230/0x230
[ 238.180171][ T5454] ? __init_swait_queue_head+0xa4/0x140
[ 238.185712][ T5454] gfs2_sys_fs_add+0x24f/0x4b0
[ 238.190500][ T5454] ? gfs2_recover_set+0x240/0x240
[ 238.195511][ T5454] ? snprintf+0xe5/0x140
[ 238.199812][ T5454] ? __free_pages+0x95/0x1a0
[ 238.204404][ T5454] ? vscnprintf+0x80/0x80
[ 238.208877][ T5454] gfs2_fill_super+0x11ed/0x1ea0
[ 238.213989][ T5454] ? gfs2_reconfigure+0xd80/0xd80
[ 238.219013][ T5454] ? sb_set_blocksize+0xa5/0xe0
[ 238.223849][ T5454] get_tree_bdev+0x3e6/0x610
[ 238.228424][ T5454] ? gfs2_reconfigure+0xd80/0xd80
[ 238.233442][ T5454] gfs2_get_tree+0x4d/0x1e0
[ 238.237957][ T5454] vfs_get_tree+0x88/0x270
[ 238.242563][ T5454] do_new_mount+0x247/0xa40
[ 238.247079][ T5454] __se_sys_mount+0x2e3/0x3d0
[ 238.251854][ T5454] ? __x64_sys_mount+0xc0/0xc0
[ 238.256623][ T5454] ? lockdep_hardirqs_on+0x94/0x140
[ 238.261814][ T5454] ? __x64_sys_mount+0x1c/0xc0
[ 238.266657][ T5454] do_syscall_64+0x4c/0xa0
[ 238.271159][ T5454] ? clear_bhb_loop+0x30/0x80
[ 238.275834][ T5454] ? clear_bhb_loop+0x30/0x80
[ 238.280512][ T5454] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 238.286411][ T5454] RIP: 0033:0x7f86669f6f4a
[ 238.290846][ T5454] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 238.310452][ T5454] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 238.318901][ T5454] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 238.326865][ T5454] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 238.334954][ T5454] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 238.343188][ T5454] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 238.351424][ T5454] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 238.359403][ T5454]
[ 238.363749][ T5454] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 238.377039][ T5454] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 238.667181][ T5456] loop1: detected capacity change from 0 to 32768
[ 238.718346][ T5456] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 238.725988][ T5456] CPU: 1 PID: 5456 Comm: syz.1.213 Not tainted syzkaller #0
[ 238.733295][ T5456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 238.743477][ T5456] Call Trace:
[ 238.746770][ T5456]
[ 238.749707][ T5456] dump_stack_lvl+0x188/0x250
[ 238.754510][ T5456] ? show_regs_print_info+0x20/0x20
[ 238.759739][ T5456] ? load_image+0x410/0x410
[ 238.764271][ T5456] sysfs_create_dir_ns+0x26a/0x290
[ 238.769595][ T5456] ? sysfs_warn_dup+0xa0/0xa0
[ 238.774384][ T5456] ? do_raw_spin_unlock+0x11d/0x230
[ 238.779636][ T5456] kobject_add_internal+0x5ba/0xcd0
[ 238.784859][ T5456] kobject_init_and_add+0x128/0x190
[ 238.790081][ T5456] ? lockdep_softirqs_off+0x430/0x430
[ 238.795578][ T5456] ? kobject_add+0x230/0x230
[ 238.800167][ T5456] ? __init_swait_queue_head+0xa4/0x140
[ 238.805724][ T5456] gfs2_sys_fs_add+0x24f/0x4b0
[ 238.810474][ T5456] ? gfs2_recover_set+0x240/0x240
[ 238.815497][ T5456] ? snprintf+0xe5/0x140
[ 238.819809][ T5456] ? __free_pages+0x95/0x1a0
[ 238.824405][ T5456] ? vscnprintf+0x80/0x80
[ 238.828748][ T5456] gfs2_fill_super+0x11ed/0x1ea0
[ 238.833710][ T5456] ? gfs2_reconfigure+0xd80/0xd80
[ 238.838869][ T5456] ? sb_set_blocksize+0xa5/0xe0
[ 238.843816][ T5456] get_tree_bdev+0x3e6/0x610
[ 238.848413][ T5456] ? gfs2_reconfigure+0xd80/0xd80
[ 238.853529][ T5456] gfs2_get_tree+0x4d/0x1e0
[ 238.858055][ T5456] vfs_get_tree+0x88/0x270
[ 238.862489][ T5456] do_new_mount+0x247/0xa40
[ 238.867004][ T5456] __se_sys_mount+0x2e3/0x3d0
[ 238.871674][ T5456] ? __x64_sys_mount+0xc0/0xc0
[ 238.876431][ T5456] ? lockdep_hardirqs_on+0x94/0x140
[ 238.881705][ T5456] ? __x64_sys_mount+0x1c/0xc0
[ 238.886624][ T5456] do_syscall_64+0x4c/0xa0
[ 238.891028][ T5456] ? clear_bhb_loop+0x30/0x80
[ 238.895732][ T5456] ? clear_bhb_loop+0x30/0x80
[ 238.900390][ T5456] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 238.906295][ T5456] RIP: 0033:0x7f86669f6f4a
[ 238.910698][ T5456] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 238.930317][ T5456] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 238.938913][ T5456] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 238.946913][ T5456] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 238.954993][ T5456] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 238.962971][ T5456] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 238.971038][ T5456] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 238.979146][ T5456]
[ 238.983560][ T5456] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 238.997030][ T5456] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 239.324586][ T5458] loop1: detected capacity change from 0 to 32768
[ 239.432966][ T5458] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 239.441442][ T5458] CPU: 1 PID: 5458 Comm: syz.1.214 Not tainted syzkaller #0
[ 239.448747][ T5458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 239.458805][ T5458] Call Trace:
[ 239.462200][ T5458]
[ 239.465146][ T5458] dump_stack_lvl+0x188/0x250
[ 239.469941][ T5458] ? show_regs_print_info+0x20/0x20
[ 239.475159][ T5458] ? load_image+0x410/0x410
[ 239.479690][ T5458] sysfs_create_dir_ns+0x26a/0x290
[ 239.484818][ T5458] ? sysfs_warn_dup+0xa0/0xa0
[ 239.489602][ T5458] ? do_raw_spin_unlock+0x11d/0x230
[ 239.494798][ T5458] kobject_add_internal+0x5ba/0xcd0
[ 239.500104][ T5458] kobject_init_and_add+0x128/0x190
[ 239.505303][ T5458] ? lockdep_softirqs_off+0x430/0x430
[ 239.510676][ T5458] ? kobject_add+0x230/0x230
[ 239.515273][ T5458] ? __init_swait_queue_head+0xa4/0x140
[ 239.520817][ T5458] gfs2_sys_fs_add+0x24f/0x4b0
[ 239.525573][ T5458] ? gfs2_recover_set+0x240/0x240
[ 239.530665][ T5458] ? snprintf+0xe5/0x140
[ 239.534890][ T5458] ? __free_pages+0x95/0x1a0
[ 239.539464][ T5458] ? vscnprintf+0x80/0x80
[ 239.543818][ T5458] gfs2_fill_super+0x11ed/0x1ea0
[ 239.548742][ T5458] ? gfs2_reconfigure+0xd80/0xd80
[ 239.553872][ T5458] ? sb_set_blocksize+0xa5/0xe0
[ 239.558834][ T5458] get_tree_bdev+0x3e6/0x610
[ 239.563520][ T5458] ? gfs2_reconfigure+0xd80/0xd80
[ 239.568549][ T5458] gfs2_get_tree+0x4d/0x1e0
[ 239.573030][ T5458] vfs_get_tree+0x88/0x270
[ 239.577441][ T5458] do_new_mount+0x247/0xa40
[ 239.581990][ T5458] __se_sys_mount+0x2e3/0x3d0
[ 239.586692][ T5458] ? __x64_sys_mount+0xc0/0xc0
[ 239.591482][ T5458] ? lockdep_hardirqs_on+0x94/0x140
[ 239.596688][ T5458] ? __x64_sys_mount+0x1c/0xc0
[ 239.601448][ T5458] do_syscall_64+0x4c/0xa0
[ 239.605869][ T5458] ? clear_bhb_loop+0x30/0x80
[ 239.610535][ T5458] ? clear_bhb_loop+0x30/0x80
[ 239.615196][ T5458] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 239.621342][ T5458] RIP: 0033:0x7f86669f6f4a
[ 239.625744][ T5458] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 239.645606][ T5458] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 239.654006][ T5458] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 239.662314][ T5458] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 239.670409][ T5458] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 239.678460][ T5458] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 239.686418][ T5458] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 239.694400][ T5458]
[ 239.698910][ T5458] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 239.712146][ T5458] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 240.030026][ T5460] loop1: detected capacity change from 0 to 32768
[ 240.100152][ T5460] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 240.107654][ T5460] CPU: 0 PID: 5460 Comm: syz.1.215 Not tainted syzkaller #0
[ 240.114967][ T5460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 240.125040][ T5460] Call Trace:
[ 240.128333][ T5460]
[ 240.131279][ T5460] dump_stack_lvl+0x188/0x250
[ 240.136004][ T5460] ? show_regs_print_info+0x20/0x20
[ 240.141230][ T5460] ? load_image+0x410/0x410
[ 240.145805][ T5460] sysfs_create_dir_ns+0x26a/0x290
[ 240.151453][ T5460] ? sysfs_warn_dup+0xa0/0xa0
[ 240.156161][ T5460] ? do_raw_spin_unlock+0x11d/0x230
[ 240.161569][ T5460] kobject_add_internal+0x5ba/0xcd0
[ 240.166791][ T5460] kobject_init_and_add+0x128/0x190
[ 240.172037][ T5460] ? lockdep_softirqs_off+0x430/0x430
[ 240.177403][ T5460] ? kobject_add+0x230/0x230
[ 240.182018][ T5460] ? __init_swait_queue_head+0xa4/0x140
[ 240.187646][ T5460] gfs2_sys_fs_add+0x24f/0x4b0
[ 240.192401][ T5460] ? gfs2_recover_set+0x240/0x240
[ 240.197445][ T5460] ? snprintf+0xe5/0x140
[ 240.201673][ T5460] ? __free_pages+0x95/0x1a0
[ 240.206344][ T5460] ? vscnprintf+0x80/0x80
[ 240.210692][ T5460] gfs2_fill_super+0x11ed/0x1ea0
[ 240.215648][ T5460] ? gfs2_reconfigure+0xd80/0xd80
[ 240.220668][ T5460] ? sb_set_blocksize+0xa5/0xe0
[ 240.225516][ T5460] get_tree_bdev+0x3e6/0x610
[ 240.230096][ T5460] ? gfs2_reconfigure+0xd80/0xd80
[ 240.235129][ T5460] gfs2_get_tree+0x4d/0x1e0
[ 240.239636][ T5460] vfs_get_tree+0x88/0x270
[ 240.244066][ T5460] do_new_mount+0x247/0xa40
[ 240.248572][ T5460] __se_sys_mount+0x2e3/0x3d0
[ 240.253275][ T5460] ? __x64_sys_mount+0xc0/0xc0
[ 240.258029][ T5460] ? lockdep_hardirqs_on+0x94/0x140
[ 240.263208][ T5460] ? __x64_sys_mount+0x1c/0xc0
[ 240.268001][ T5460] do_syscall_64+0x4c/0xa0
[ 240.272405][ T5460] ? clear_bhb_loop+0x30/0x80
[ 240.277063][ T5460] ? clear_bhb_loop+0x30/0x80
[ 240.281727][ T5460] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 240.287699][ T5460] RIP: 0033:0x7f86669f6f4a
[ 240.292100][ T5460] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 240.311887][ T5460] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 240.320292][ T5460] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 240.328739][ T5460] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 240.336733][ T5460] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 240.344694][ T5460] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 240.352664][ T5460] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 240.360656][ T5460]
[ 240.365705][ T5460] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 240.379155][ T5460] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 240.667329][ T5462] loop1: detected capacity change from 0 to 32768
[ 240.776138][ T5462] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 240.783616][ T5462] CPU: 1 PID: 5462 Comm: syz.1.216 Not tainted syzkaller #0
[ 240.790997][ T5462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 240.801059][ T5462] Call Trace:
[ 240.804345][ T5462]
[ 240.807291][ T5462] dump_stack_lvl+0x188/0x250
[ 240.811995][ T5462] ? show_regs_print_info+0x20/0x20
[ 240.817301][ T5462] ? load_image+0x410/0x410
[ 240.821871][ T5462] sysfs_create_dir_ns+0x26a/0x290
[ 240.827091][ T5462] ? sysfs_warn_dup+0xa0/0xa0
[ 240.831783][ T5462] ? do_raw_spin_unlock+0x11d/0x230
[ 240.837093][ T5462] kobject_add_internal+0x5ba/0xcd0
[ 240.842440][ T5462] kobject_init_and_add+0x128/0x190
[ 240.847644][ T5462] ? lockdep_softirqs_off+0x430/0x430
[ 240.853023][ T5462] ? kobject_add+0x230/0x230
[ 240.857621][ T5462] ? __init_swait_queue_head+0xa4/0x140
[ 240.863165][ T5462] gfs2_sys_fs_add+0x24f/0x4b0
[ 240.867917][ T5462] ? gfs2_recover_set+0x240/0x240
[ 240.872930][ T5462] ? snprintf+0xe5/0x140
[ 240.877168][ T5462] ? __free_pages+0x95/0x1a0
[ 240.881773][ T5462] ? vscnprintf+0x80/0x80
[ 240.886362][ T5462] gfs2_fill_super+0x11ed/0x1ea0
[ 240.891310][ T5462] ? gfs2_reconfigure+0xd80/0xd80
[ 240.896350][ T5462] ? sb_set_blocksize+0xa5/0xe0
[ 240.901206][ T5462] get_tree_bdev+0x3e6/0x610
[ 240.905781][ T5462] ? gfs2_reconfigure+0xd80/0xd80
[ 240.910809][ T5462] gfs2_get_tree+0x4d/0x1e0
[ 240.915319][ T5462] vfs_get_tree+0x88/0x270
[ 240.919729][ T5462] do_new_mount+0x247/0xa40
[ 240.924223][ T5462] __se_sys_mount+0x2e3/0x3d0
[ 240.928887][ T5462] ? __x64_sys_mount+0xc0/0xc0
[ 240.933647][ T5462] ? lockdep_hardirqs_on+0x94/0x140
[ 240.938854][ T5462] ? __x64_sys_mount+0x1c/0xc0
[ 240.943655][ T5462] do_syscall_64+0x4c/0xa0
[ 240.948060][ T5462] ? clear_bhb_loop+0x30/0x80
[ 240.952757][ T5462] ? clear_bhb_loop+0x30/0x80
[ 240.957433][ T5462] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 240.963313][ T5462] RIP: 0033:0x7f86669f6f4a
[ 240.967744][ T5462] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 240.987329][ T5462] RSP: 002b:00007f8666058e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 240.995731][ T5462] RAX: ffffffffffffffda RBX: 00007f8666058ee0 RCX: 00007f86669f6f4a
[ 241.003705][ T5462] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f8666058ea0
[ 241.011662][ T5462] RBP: 00002000000002c0 R08: 00007f8666058ee0 R09: 0000000000008c9b
[ 241.019662][ T5462] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 241.027627][ T5462] R13: 00007f8666058ea0 R14: 0000000000012760 R15: 0000200000000400
[ 241.035620][ T5462]
[ 241.040012][ T27] INFO: task syz-executor:4893 blocked for more than 143 seconds.
[ 241.044844][ T5462] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 241.048020][ T27] Not tainted syzkaller #0
[ 241.061980][ T5462] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 241.066971][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 241.081541][ T27] task:syz-executor state:D stack:21712 pid: 4893 ppid: 1 flags:0x00004004
[ 241.091105][ T27] Call Trace:
[ 241.094399][ T27]
[ 241.097317][ T27] __schedule+0x11c3/0x4350
[ 241.101987][ T27] ? _raw_spin_lock_irqsave+0x8b/0x100
[ 241.107462][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 241.112948][ T27] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 241.118846][ T27] ? _raw_spin_unlock+0x40/0x40
[ 241.123930][ T27] ? rcu_is_watching+0x11/0xa0
[ 241.128791][ T27] ? release_firmware_map_entry+0x190/0x190
[ 241.134987][ T27] schedule+0x11b/0x1e0
[ 241.139247][ T27] schedule_timeout+0x184/0x2d0
[ 241.144107][ T27] ? console_conditional_schedule+0x40/0x40
[ 241.150451][ T27] ? update_process_times+0x200/0x200
[ 241.156120][ T27] ? prepare_to_wait_event+0x42c/0x460
[ 241.161800][ T27] gfs2_gl_hash_clear+0x1b4/0x300
[ 241.167227][ T27] ? thaw_glock+0x150/0x150
[ 241.171920][ T27] ? gfs2_jindex_free+0x3d2/0x440
[ 241.176958][ T27] ? init_wait_entry+0xd0/0xd0
[ 241.181791][ T27] ? gfs2_setbit+0x5a0/0x5a0
[ 241.186482][ T27] ? gfs2_clear_rgrpd+0x68a/0x6b0
[ 241.191552][ T27] gfs2_put_super+0x754/0x7c0
[ 241.196236][ T27] ? gfs2_evict_inode+0x1340/0x1340
[ 241.201507][ T27] generic_shutdown_super+0x130/0x300
[ 241.206977][ T27] kill_block_super+0x7c/0xe0
[ 241.211918][ T27] deactivate_locked_super+0x93/0xf0
[ 241.217252][ T27] cleanup_mnt+0x426/0x4d0
[ 241.222023][ T27] task_work_run+0x125/0x1a0
[ 241.226630][ T27] exit_to_user_mode_loop+0x10f/0x130
[ 241.232112][ T27] exit_to_user_mode_prepare+0xee/0x180
[ 241.237808][ T27] syscall_exit_to_user_mode+0x16/0x40
[ 241.243877][ T27] do_syscall_64+0x58/0xa0
[ 241.248408][ T27] ? clear_bhb_loop+0x30/0x80
[ 241.254187][ T27] ? clear_bhb_loop+0x30/0x80
[ 241.259175][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 241.265094][ T27] RIP: 0033:0x7f826b302f17
[ 241.269807][ T27] RSP: 002b:00007ffed6433648 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 241.278231][ T27] RAX: 0000000000000000 RBX: 00007f826b36b71f RCX: 00007f826b302f17
[ 241.286407][ T27] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffed6433700
[ 241.294447][ T27] RBP: 00007ffed6433700 R08: 00007ffed6434700 R09: 00000000ffffffff
[ 241.302472][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffed6434790
[ 241.310489][ T27] R13: 00007f826b36b71f R14: 0000000000017b24 R15: 00007ffed64347d0
[ 241.318465][ T27]
[ 241.321904][ T27]
[ 241.321904][ T27] Showing all locks held in the system:
[ 241.329770][ T27] 1 lock held by khungtaskd/27:
[ 241.334616][ T27] #0: ffffffff8c31ef60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 241.344379][ T27] 3 locks held by kworker/u4:3/897:
[ 241.349684][ T27] #0: ffff8880b913a358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x25/0x130
[ 241.359950][ T27] #1: ffffc90003aafd00 ((work_completion)(&(&bat_priv->nc.work)->work)){+.+.}-{0:0}, at: process_one_work+0x79e/0xff0
[ 241.372687][ T27] #2: ffff8880b91280d8 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x123/0x270
[ 241.382094][ T27] 1 lock held by klogd/3547:
[ 241.386705][ T27] #0: ffff8880b913a358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x25/0x130
[ 241.396743][ T27] 2 locks held by getty/3944:
[ 241.401446][ T27] #0: ffff88814ceea098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 241.411254][ T27] #1: ffffc900025ce2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x594/0x1a50
[ 241.421652][ T27] 1 lock held by syz-executor/4893:
[ 241.427095][ T27] #0: ffff88805e6140e0 (&type->s_umount_key#54){++++}-{3:3}, at: deactivate_super+0xa0/0xd0
[ 241.437999][ T27] 5 locks held by kworker/0:32/4965:
[ 241.443654][ T27] #0: ffff8880b903a358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x25/0x130
[ 241.453674][ T27] #1: ffff8880b9027888 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x4c3/0x810
[ 241.465309][ T27] #2: ffff8880b90280d8 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x123/0x270
[ 241.474699][ T27] #3: ffff8880287d18e0 (&nsim_trap_data->trap_lock){+.+.}-{2:2}, at: nsim_dev_trap_report_work+0x198/0xab0
[ 241.488367][ T27] #4: ffff8880b9027888 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: enqueue_task+0x23b/0x280
[ 241.499853][ T27] 2 locks held by syz.1.216/5462:
[ 241.504886][ T27] #0: ffff888020496118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf1/0x780
[ 241.514254][ T27] #1: ffff888147b1a468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[ 241.523262][ T27]
[ 241.525585][ T27] =============================================
[ 241.525585][ T27]
[ 241.534486][ T27] NMI backtrace for cpu 1
[ 241.538825][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 241.546033][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 241.556072][ T27] Call Trace:
[ 241.559343][ T27]
[ 241.562255][ T27] dump_stack_lvl+0x188/0x250
[ 241.566922][ T27] ? show_regs_print_info+0x20/0x20
[ 241.572141][ T27] ? load_image+0x410/0x410
[ 241.576648][ T27] ? tick_nohz_tick_stopped+0x7b/0xb0
[ 241.582020][ T27] ? nmi_cpu_backtrace+0x1b2/0x3d0
[ 241.587146][ T27] nmi_cpu_backtrace+0x3a2/0x3d0
[ 241.592089][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 241.598323][ T27] ? _printk+0xda/0x130
[ 241.602464][ T27] ? load_image+0x410/0x410
[ 241.606945][ T27] ? load_image+0x410/0x410
[ 241.611443][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 241.617486][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 241.623543][ T27] watchdog+0xe1b/0xe60
[ 241.627685][ T27] kthread+0x42e/0x520
[ 241.631729][ T27] ? hungtask_pm_notify+0x40/0x40
[ 241.636752][ T27] ? kthread_blkcg+0xd0/0xd0
[ 241.641407][ T27] ret_from_fork+0x1f/0x30
[ 241.645834][ T27]
[ 241.649272][ T27] Sending NMI from CPU 1 to CPUs 0:
[ 241.654501][ C0] NMI backtrace for cpu 0 skipped: idling at default_idle+0xb/0x10
[ 241.655940][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 241.670852][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 241.678148][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 241.688207][ T27] Call Trace:
[ 241.691581][ T27]
[ 241.694520][ T27] dump_stack_lvl+0x188/0x250
[ 241.699197][ T27] ? show_regs_print_info+0x20/0x20
[ 241.704398][ T27] ? load_image+0x410/0x410
[ 241.708894][ T27] panic+0x2f8/0x850
[ 241.712770][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 241.718391][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 241.722887][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 241.729130][ T27] watchdog+0xe5a/0xe60
[ 241.733294][ T27] kthread+0x42e/0x520
[ 241.737350][ T27] ? hungtask_pm_notify+0x40/0x40
[ 241.742355][ T27] ? kthread_blkcg+0xd0/0xd0
[ 241.746938][ T27] ret_from_fork+0x1f/0x30
[ 241.751351][ T27]
[ 241.754600][ T27] Kernel Offset: disabled
[ 241.758948][ T27] Rebooting in 86400 seconds..