_raw_spin_unlock+0x11d/0x230
[ 197.949214][ T4533] kobject_add_internal+0x662/0xd00
[ 197.954445][ T4533] kobject_init_and_add+0x122/0x190
[ 197.959798][ T4533] ? lockdep_softirqs_off+0x420/0x420
[ 197.965219][ T4533] ? kobject_add+0x210/0x210
[ 197.969836][ T4533] ? __init_swait_queue_head+0xa5/0x150
[ 197.975531][ T4533] gfs2_sys_fs_add+0x234/0x480
[ 197.980334][ T4533] ? gfs2_recover_set+0x240/0x240
[ 197.985387][ T4533] ? snprintf+0xd7/0x120
[ 197.989633][ T4533] ? __free_pages+0x95/0x1a0
[ 197.994237][ T4533] ? vscnprintf+0x80/0x80
[ 197.998779][ T4533] gfs2_fill_super+0x128d/0x1f50
[ 198.003734][ T4533] ? gfs2_reconfigure+0xcd0/0xcd0
[ 198.008760][ T4533] ? preempt_count_add+0x8d/0x190
[ 198.013791][ T4533] ? sb_set_blocksize+0xa5/0xe0
[ 198.018733][ T4533] get_tree_bdev+0x3f1/0x610
[ 198.023342][ T4533] ? gfs2_reconfigure+0xcd0/0xcd0
[ 198.028390][ T4533] gfs2_get_tree+0x4d/0x1e0
[ 198.032908][ T4533] vfs_get_tree+0x88/0x270
[ 198.037339][ T4533] do_new_mount+0x24a/0xa40
[ 198.041853][ T4533] __se_sys_mount+0x2d6/0x3c0
[ 198.046554][ T4533] ? __x64_sys_mount+0xc0/0xc0
[ 198.051335][ T4533] ? lockdep_hardirqs_on+0x94/0x140
[ 198.056645][ T4533] ? __x64_sys_mount+0x1c/0xc0
[ 198.061418][ T4533] do_syscall_64+0x4c/0xa0
[ 198.065839][ T4533] ? clear_bhb_loop+0x30/0x80
[ 198.070513][ T4533] ? clear_bhb_loop+0x30/0x80
[ 198.075186][ T4533] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 198.081087][ T4533] RIP: 0033:0x7f016223b38a
[ 198.085499][ T4533] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 198.105130][ T4533] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 198.113544][ T4533] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 198.121519][ T4533] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 198.129492][ T4533] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 198.137478][ T4533] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 198.145449][ T4533] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 198.153434][ T4533]
[ 198.158923][ T4533] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 198.172135][ T4533] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 198.556373][ T4534] loop1: detected capacity change from 0 to 32768
[ 198.653605][ T4534] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 198.661042][ T4534] CPU: 0 PID: 4534 Comm: syz.1.161 Not tainted 5.15.189-syzkaller #0
[ 198.669129][ T4534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 198.679202][ T4534] Call Trace:
[ 198.682519][ T4534]
[ 198.685467][ T4534] dump_stack_lvl+0x168/0x230
[ 198.690266][ T4534] ? show_regs_print_info+0x20/0x20
[ 198.695499][ T4534] ? load_image+0x3b0/0x3b0
[ 198.700040][ T4534] sysfs_create_dir_ns+0x252/0x280
[ 198.705181][ T4534] ? __lock_acquire+0x7c60/0x7c60
[ 198.710234][ T4534] ? sysfs_warn_dup+0xa0/0xa0
[ 198.714944][ T4534] ? do_raw_spin_unlock+0x11d/0x230
[ 198.720170][ T4534] kobject_add_internal+0x662/0xd00
[ 198.725380][ T4534] kobject_init_and_add+0x122/0x190
[ 198.730577][ T4534] ? lockdep_softirqs_off+0x420/0x420
[ 198.736040][ T4534] ? kobject_add+0x210/0x210
[ 198.740678][ T4534] ? __init_swait_queue_head+0xa5/0x150
[ 198.746311][ T4534] gfs2_sys_fs_add+0x234/0x480
[ 198.751088][ T4534] ? gfs2_recover_set+0x240/0x240
[ 198.756109][ T4534] ? snprintf+0xd7/0x120
[ 198.760348][ T4534] ? __free_pages+0x95/0x1a0
[ 198.765027][ T4534] ? vscnprintf+0x80/0x80
[ 198.769374][ T4534] gfs2_fill_super+0x128d/0x1f50
[ 198.774323][ T4534] ? gfs2_reconfigure+0xcd0/0xcd0
[ 198.779352][ T4534] ? preempt_count_add+0x8d/0x190
[ 198.784379][ T4534] ? sb_set_blocksize+0xa5/0xe0
[ 198.789230][ T4534] get_tree_bdev+0x3f1/0x610
[ 198.793865][ T4534] ? gfs2_reconfigure+0xcd0/0xcd0
[ 198.798889][ T4534] gfs2_get_tree+0x4d/0x1e0
[ 198.803401][ T4534] vfs_get_tree+0x88/0x270
[ 198.807825][ T4534] do_new_mount+0x24a/0xa40
[ 198.812352][ T4534] __se_sys_mount+0x2d6/0x3c0
[ 198.817166][ T4534] ? __x64_sys_mount+0xc0/0xc0
[ 198.821958][ T4534] ? lockdep_hardirqs_on+0x94/0x140
[ 198.827180][ T4534] ? __x64_sys_mount+0x1c/0xc0
[ 198.832006][ T4534] do_syscall_64+0x4c/0xa0
[ 198.836425][ T4534] ? clear_bhb_loop+0x30/0x80
[ 198.841200][ T4534] ? clear_bhb_loop+0x30/0x80
[ 198.845878][ T4534] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 198.851793][ T4534] RIP: 0033:0x7f016223b38a
[ 198.856224][ T4534] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 198.875831][ T4534] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 198.884345][ T4534] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 198.892338][ T4534] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 198.900318][ T4534] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 198.908285][ T4534] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 198.916274][ T4534] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 198.924255][ T4534]
[ 198.937615][ T4534] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 198.950820][ T4534] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 199.330573][ T4535] loop1: detected capacity change from 0 to 32768
[ 199.377444][ T4535] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 199.389402][ T4535] CPU: 1 PID: 4535 Comm: syz.1.162 Not tainted 5.15.189-syzkaller #0
[ 199.397523][ T4535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 199.407602][ T4535] Call Trace:
[ 199.410902][ T4535]
[ 199.413857][ T4535] dump_stack_lvl+0x168/0x230
[ 199.418566][ T4535] ? show_regs_print_info+0x20/0x20
[ 199.423912][ T4535] ? load_image+0x3b0/0x3b0
[ 199.428599][ T4535] sysfs_create_dir_ns+0x252/0x280
[ 199.433740][ T4535] ? __lock_acquire+0x7c60/0x7c60
[ 199.438803][ T4535] ? sysfs_warn_dup+0xa0/0xa0
[ 199.443520][ T4535] ? do_raw_spin_unlock+0x11d/0x230
[ 199.448836][ T4535] kobject_add_internal+0x662/0xd00
[ 199.454073][ T4535] kobject_init_and_add+0x122/0x190
[ 199.459303][ T4535] ? lockdep_softirqs_off+0x420/0x420
[ 199.464714][ T4535] ? kobject_add+0x210/0x210
[ 199.469340][ T4535] ? __init_swait_queue_head+0xa5/0x150
[ 199.474930][ T4535] gfs2_sys_fs_add+0x234/0x480
[ 199.479727][ T4535] ? gfs2_recover_set+0x240/0x240
[ 199.484789][ T4535] ? snprintf+0xd7/0x120
[ 199.489056][ T4535] ? __free_pages+0x95/0x1a0
[ 199.493675][ T4535] ? vscnprintf+0x80/0x80
[ 199.498043][ T4535] gfs2_fill_super+0x128d/0x1f50
[ 199.503007][ T4535] ? gfs2_reconfigure+0xcd0/0xcd0
[ 199.508081][ T4535] ? preempt_count_add+0x8d/0x190
[ 199.513214][ T4535] ? sb_set_blocksize+0xa5/0xe0
[ 199.518257][ T4535] get_tree_bdev+0x3f1/0x610
[ 199.522865][ T4535] ? gfs2_reconfigure+0xcd0/0xcd0
[ 199.527917][ T4535] gfs2_get_tree+0x4d/0x1e0
[ 199.532868][ T4535] vfs_get_tree+0x88/0x270
[ 199.537300][ T4535] do_new_mount+0x24a/0xa40
[ 199.541821][ T4535] __se_sys_mount+0x2d6/0x3c0
[ 199.546707][ T4535] ? __x64_sys_mount+0xc0/0xc0
[ 199.551515][ T4535] ? lockdep_hardirqs_on+0x94/0x140
[ 199.556757][ T4535] ? __x64_sys_mount+0x1c/0xc0
[ 199.561537][ T4535] do_syscall_64+0x4c/0xa0
[ 199.566149][ T4535] ? clear_bhb_loop+0x30/0x80
[ 199.570912][ T4535] ? clear_bhb_loop+0x30/0x80
[ 199.575607][ T4535] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 199.581631][ T4535] RIP: 0033:0x7f016223b38a
[ 199.586067][ T4535] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 199.605690][ T4535] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 199.614293][ T4535] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 199.622505][ T4535] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 199.630524][ T4535] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 199.638499][ T4535] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 199.646576][ T4535] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 199.654595][ T4535]
[ 199.658193][ T4535] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 199.671391][ T4535] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 200.039521][ T4536] loop1: detected capacity change from 0 to 32768
[ 200.090978][ T4536] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 200.098556][ T4536] CPU: 1 PID: 4536 Comm: syz.1.163 Not tainted 5.15.189-syzkaller #0
[ 200.106653][ T4536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 200.116733][ T4536] Call Trace:
[ 200.120031][ T4536]
[ 200.123007][ T4536] dump_stack_lvl+0x168/0x230
[ 200.127727][ T4536] ? show_regs_print_info+0x20/0x20
[ 200.132971][ T4536] ? load_image+0x3b0/0x3b0
[ 200.137525][ T4536] sysfs_create_dir_ns+0x252/0x280
[ 200.142749][ T4536] ? __lock_acquire+0x7c60/0x7c60
[ 200.147806][ T4536] ? sysfs_warn_dup+0xa0/0xa0
[ 200.152515][ T4536] ? do_raw_spin_unlock+0x11d/0x230
[ 200.157746][ T4536] kobject_add_internal+0x662/0xd00
[ 200.162976][ T4536] kobject_init_and_add+0x122/0x190
[ 200.168202][ T4536] ? lockdep_softirqs_off+0x420/0x420
[ 200.173603][ T4536] ? kobject_add+0x210/0x210
[ 200.178218][ T4536] ? __init_swait_queue_head+0xa5/0x150
[ 200.183795][ T4536] gfs2_sys_fs_add+0x234/0x480
[ 200.188587][ T4536] ? gfs2_recover_set+0x240/0x240
[ 200.193628][ T4536] ? snprintf+0xd7/0x120
[ 200.197893][ T4536] ? __free_pages+0x95/0x1a0
[ 200.202516][ T4536] ? vscnprintf+0x80/0x80
[ 200.206884][ T4536] gfs2_fill_super+0x128d/0x1f50
[ 200.211838][ T4536] ? gfs2_reconfigure+0xcd0/0xcd0
[ 200.216867][ T4536] ? preempt_count_add+0x8d/0x190
[ 200.221917][ T4536] ? sb_set_blocksize+0xa5/0xe0
[ 200.226777][ T4536] get_tree_bdev+0x3f1/0x610
[ 200.231543][ T4536] ? gfs2_reconfigure+0xcd0/0xcd0
[ 200.236566][ T4536] gfs2_get_tree+0x4d/0x1e0
[ 200.241152][ T4536] vfs_get_tree+0x88/0x270
[ 200.245592][ T4536] do_new_mount+0x24a/0xa40
[ 200.250099][ T4536] __se_sys_mount+0x2d6/0x3c0
[ 200.254779][ T4536] ? __x64_sys_mount+0xc0/0xc0
[ 200.259547][ T4536] ? lockdep_hardirqs_on+0x94/0x140
[ 200.264833][ T4536] ? __x64_sys_mount+0x1c/0xc0
[ 200.269601][ T4536] do_syscall_64+0x4c/0xa0
[ 200.274023][ T4536] ? clear_bhb_loop+0x30/0x80
[ 200.278693][ T4536] ? clear_bhb_loop+0x30/0x80
[ 200.283367][ T4536] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 200.289268][ T4536] RIP: 0033:0x7f016223b38a
[ 200.293689][ T4536] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 200.313293][ T4536] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 200.321720][ T4536] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 200.329690][ T4536] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 200.337669][ T4536] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 200.345723][ T4536] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 200.353695][ T4536] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 200.361716][ T4536]
[ 200.365031][ T4536] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 200.378329][ T4536] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 200.760120][ T4537] loop1: detected capacity change from 0 to 32768
[ 200.822784][ T4537] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 200.830221][ T4537] CPU: 0 PID: 4537 Comm: syz.1.164 Not tainted 5.15.189-syzkaller #0
[ 200.838368][ T4537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 200.848545][ T4537] Call Trace:
[ 200.851874][ T4537]
[ 200.854830][ T4537] dump_stack_lvl+0x168/0x230
[ 200.859544][ T4537] ? show_regs_print_info+0x20/0x20
[ 200.864773][ T4537] ? load_image+0x3b0/0x3b0
[ 200.869318][ T4537] sysfs_create_dir_ns+0x252/0x280
[ 200.874455][ T4537] ? __lock_acquire+0x7c60/0x7c60
[ 200.879604][ T4537] ? sysfs_warn_dup+0xa0/0xa0
[ 200.884316][ T4537] ? do_raw_spin_unlock+0x11d/0x230
[ 200.889533][ T4537] kobject_add_internal+0x662/0xd00
[ 200.894756][ T4537] kobject_init_and_add+0x122/0x190
[ 200.899974][ T4537] ? lockdep_softirqs_off+0x420/0x420
[ 200.905375][ T4537] ? kobject_add+0x210/0x210
[ 200.909994][ T4537] ? __init_swait_queue_head+0xa5/0x150
[ 200.915576][ T4537] gfs2_sys_fs_add+0x234/0x480
[ 200.920457][ T4537] ? gfs2_recover_set+0x240/0x240
[ 200.925510][ T4537] ? snprintf+0xd7/0x120
[ 200.929865][ T4537] ? __free_pages+0x95/0x1a0
[ 200.934566][ T4537] ? vscnprintf+0x80/0x80
[ 200.938926][ T4537] gfs2_fill_super+0x128d/0x1f50
[ 200.943881][ T4537] ? gfs2_reconfigure+0xcd0/0xcd0
[ 200.949027][ T4537] ? preempt_count_add+0x8d/0x190
[ 200.954311][ T4537] ? sb_set_blocksize+0xa5/0xe0
[ 200.959345][ T4537] get_tree_bdev+0x3f1/0x610
[ 200.963998][ T4537] ? gfs2_reconfigure+0xcd0/0xcd0
[ 200.969036][ T4537] gfs2_get_tree+0x4d/0x1e0
[ 200.973564][ T4537] vfs_get_tree+0x88/0x270
[ 200.978012][ T4537] do_new_mount+0x24a/0xa40
[ 200.982557][ T4537] __se_sys_mount+0x2d6/0x3c0
[ 200.987255][ T4537] ? __x64_sys_mount+0xc0/0xc0
[ 200.992026][ T4537] ? lockdep_hardirqs_on+0x94/0x140
[ 200.997357][ T4537] ? __x64_sys_mount+0x1c/0xc0
[ 201.002133][ T4537] do_syscall_64+0x4c/0xa0
[ 201.006576][ T4537] ? clear_bhb_loop+0x30/0x80
[ 201.011276][ T4537] ? clear_bhb_loop+0x30/0x80
[ 201.016004][ T4537] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 201.021944][ T4537] RIP: 0033:0x7f016223b38a
[ 201.026363][ T4537] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 201.045973][ T4537] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 201.054397][ T4537] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 201.062389][ T4537] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 201.070361][ T4537] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 201.078329][ T4537] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 201.086295][ T4537] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 201.094373][ T4537]
[ 201.105759][ T4537] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 201.119359][ T4537] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 201.487655][ T4538] loop1: detected capacity change from 0 to 32768
[ 201.538788][ T4538] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 201.546276][ T4538] CPU: 1 PID: 4538 Comm: syz.1.165 Not tainted 5.15.189-syzkaller #0
[ 201.554370][ T4538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 201.564578][ T4538] Call Trace:
[ 201.567882][ T4538]
[ 201.570840][ T4538] dump_stack_lvl+0x168/0x230
[ 201.575640][ T4538] ? show_regs_print_info+0x20/0x20
[ 201.580993][ T4538] ? load_image+0x3b0/0x3b0
[ 201.585532][ T4538] sysfs_create_dir_ns+0x252/0x280
[ 201.590681][ T4538] ? __lock_acquire+0x7c60/0x7c60
[ 201.595779][ T4538] ? sysfs_warn_dup+0xa0/0xa0
[ 201.600489][ T4538] ? do_raw_spin_unlock+0x11d/0x230
[ 201.605723][ T4538] kobject_add_internal+0x662/0xd00
[ 201.610969][ T4538] kobject_init_and_add+0x122/0x190
[ 201.616365][ T4538] ? lockdep_softirqs_off+0x420/0x420
[ 201.621810][ T4538] ? kobject_add+0x210/0x210
[ 201.626434][ T4538] ? __init_swait_queue_head+0xa5/0x150
[ 201.632017][ T4538] gfs2_sys_fs_add+0x234/0x480
[ 201.636813][ T4538] ? gfs2_recover_set+0x240/0x240
[ 201.641863][ T4538] ? snprintf+0xd7/0x120
[ 201.646136][ T4538] ? __free_pages+0x95/0x1a0
[ 201.650839][ T4538] ? vscnprintf+0x80/0x80
[ 201.655207][ T4538] gfs2_fill_super+0x128d/0x1f50
[ 201.660162][ T4538] ? gfs2_reconfigure+0xcd0/0xcd0
[ 201.665200][ T4538] ? preempt_count_add+0x8d/0x190
[ 201.670237][ T4538] ? sb_set_blocksize+0xa5/0xe0
[ 201.675091][ T4538] get_tree_bdev+0x3f1/0x610
[ 201.679692][ T4538] ? gfs2_reconfigure+0xcd0/0xcd0
[ 201.684870][ T4538] gfs2_get_tree+0x4d/0x1e0
[ 201.689383][ T4538] vfs_get_tree+0x88/0x270
[ 201.693802][ T4538] do_new_mount+0x24a/0xa40
[ 201.698325][ T4538] __se_sys_mount+0x2d6/0x3c0
[ 201.703014][ T4538] ? __x64_sys_mount+0xc0/0xc0
[ 201.707803][ T4538] ? lockdep_hardirqs_on+0x94/0x140
[ 201.713009][ T4538] ? __x64_sys_mount+0x1c/0xc0
[ 201.717774][ T4538] do_syscall_64+0x4c/0xa0
[ 201.722208][ T4538] ? clear_bhb_loop+0x30/0x80
[ 201.726885][ T4538] ? clear_bhb_loop+0x30/0x80
[ 201.731681][ T4538] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 201.737580][ T4538] RIP: 0033:0x7f016223b38a
[ 201.741992][ T4538] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 201.761600][ T4538] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 201.770042][ T4538] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 201.778010][ T4538] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 201.785995][ T4538] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 201.793982][ T4538] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 201.802049][ T4538] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 201.810060][ T4538]
[ 201.813405][ T4538] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 201.826676][ T4538] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 11:53:49 executed programs: 151
[ 202.216256][ T4539] loop1: detected capacity change from 0 to 32768
[ 202.266523][ T4539] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 202.278569][ T4539] CPU: 1 PID: 4539 Comm: syz.1.166 Not tainted 5.15.189-syzkaller #0
[ 202.286779][ T4539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 202.296865][ T4539] Call Trace:
[ 202.300252][ T4539]
[ 202.303202][ T4539] dump_stack_lvl+0x168/0x230
[ 202.307923][ T4539] ? show_regs_print_info+0x20/0x20
[ 202.313161][ T4539] ? load_image+0x3b0/0x3b0
[ 202.317794][ T4539] sysfs_create_dir_ns+0x252/0x280
[ 202.322939][ T4539] ? __lock_acquire+0x7c60/0x7c60
[ 202.328006][ T4539] ? sysfs_warn_dup+0xa0/0xa0
[ 202.332801][ T4539] ? do_raw_spin_unlock+0x11d/0x230
[ 202.338149][ T4539] kobject_add_internal+0x662/0xd00
[ 202.343383][ T4539] kobject_init_and_add+0x122/0x190
[ 202.348606][ T4539] ? lockdep_softirqs_off+0x420/0x420
[ 202.354018][ T4539] ? kobject_add+0x210/0x210
[ 202.358642][ T4539] ? __init_swait_queue_head+0xa5/0x150
[ 202.364221][ T4539] gfs2_sys_fs_add+0x234/0x480
[ 202.369017][ T4539] ? gfs2_recover_set+0x240/0x240
[ 202.374065][ T4539] ? snprintf+0xd7/0x120
[ 202.378452][ T4539] ? __free_pages+0x95/0x1a0
[ 202.383070][ T4539] ? vscnprintf+0x80/0x80
[ 202.387437][ T4539] gfs2_fill_super+0x128d/0x1f50
[ 202.392405][ T4539] ? gfs2_reconfigure+0xcd0/0xcd0
[ 202.397461][ T4539] ? preempt_count_add+0x8d/0x190
[ 202.402506][ T4539] ? sb_set_blocksize+0xa5/0xe0
[ 202.407380][ T4539] get_tree_bdev+0x3f1/0x610
[ 202.412072][ T4539] ? gfs2_reconfigure+0xcd0/0xcd0
[ 202.417107][ T4539] gfs2_get_tree+0x4d/0x1e0
[ 202.421634][ T4539] vfs_get_tree+0x88/0x270
[ 202.426072][ T4539] do_new_mount+0x24a/0xa40
[ 202.430581][ T4539] __se_sys_mount+0x2d6/0x3c0
[ 202.435260][ T4539] ? __x64_sys_mount+0xc0/0xc0
[ 202.440028][ T4539] ? lockdep_hardirqs_on+0x94/0x140
[ 202.445247][ T4539] ? __x64_sys_mount+0x1c/0xc0
[ 202.450123][ T4539] do_syscall_64+0x4c/0xa0
[ 202.454822][ T4539] ? clear_bhb_loop+0x30/0x80
[ 202.459603][ T4539] ? clear_bhb_loop+0x30/0x80
[ 202.464289][ T4539] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 202.470220][ T4539] RIP: 0033:0x7f016223b38a
[ 202.474639][ T4539] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 202.494274][ T4539] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 202.502696][ T4539] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 202.510770][ T4539] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 202.518743][ T4539] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 202.526724][ T4539] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 202.534698][ T4539] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 202.542691][ T4539]
[ 202.546239][ T4539] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 202.559478][ T4539] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 202.944008][ T4540] loop1: detected capacity change from 0 to 32768
[ 202.991449][ T4540] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 202.998961][ T4540] CPU: 1 PID: 4540 Comm: syz.1.167 Not tainted 5.15.189-syzkaller #0
[ 203.007142][ T4540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 203.017229][ T4540] Call Trace:
[ 203.020543][ T4540]
[ 203.023501][ T4540] dump_stack_lvl+0x168/0x230
[ 203.028223][ T4540] ? show_regs_print_info+0x20/0x20
[ 203.033535][ T4540] ? load_image+0x3b0/0x3b0
[ 203.038077][ T4540] sysfs_create_dir_ns+0x252/0x280
[ 203.043224][ T4540] ? __lock_acquire+0x7c60/0x7c60
[ 203.048374][ T4540] ? sysfs_warn_dup+0xa0/0xa0
[ 203.053086][ T4540] ? do_raw_spin_unlock+0x11d/0x230
[ 203.058405][ T4540] kobject_add_internal+0x662/0xd00
[ 203.063637][ T4540] kobject_init_and_add+0x122/0x190
[ 203.068869][ T4540] ? lockdep_softirqs_off+0x420/0x420
[ 203.074274][ T4540] ? kobject_add+0x210/0x210
[ 203.078890][ T4540] ? __init_swait_queue_head+0xa5/0x150
[ 203.084471][ T4540] gfs2_sys_fs_add+0x234/0x480
[ 203.089263][ T4540] ? gfs2_recover_set+0x240/0x240
[ 203.094398][ T4540] ? snprintf+0xd7/0x120
[ 203.098661][ T4540] ? __free_pages+0x95/0x1a0
[ 203.103262][ T4540] ? vscnprintf+0x80/0x80
[ 203.107619][ T4540] gfs2_fill_super+0x128d/0x1f50
[ 203.112571][ T4540] ? gfs2_reconfigure+0xcd0/0xcd0
[ 203.117686][ T4540] ? preempt_count_add+0x8d/0x190
[ 203.122716][ T4540] ? sb_set_blocksize+0xa5/0xe0
[ 203.127575][ T4540] get_tree_bdev+0x3f1/0x610
[ 203.132169][ T4540] ? gfs2_reconfigure+0xcd0/0xcd0
[ 203.137194][ T4540] gfs2_get_tree+0x4d/0x1e0
[ 203.141699][ T4540] vfs_get_tree+0x88/0x270
[ 203.146119][ T4540] do_new_mount+0x24a/0xa40
[ 203.150626][ T4540] __se_sys_mount+0x2d6/0x3c0
[ 203.155309][ T4540] ? __x64_sys_mount+0xc0/0xc0
[ 203.160073][ T4540] ? lockdep_hardirqs_on+0x94/0x140
[ 203.165266][ T4540] ? __x64_sys_mount+0x1c/0xc0
[ 203.170032][ T4540] do_syscall_64+0x4c/0xa0
[ 203.174447][ T4540] ? clear_bhb_loop+0x30/0x80
[ 203.179117][ T4540] ? clear_bhb_loop+0x30/0x80
[ 203.183790][ T4540] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 203.189685][ T4540] RIP: 0033:0x7f016223b38a
[ 203.194097][ T4540] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 203.213792][ T4540] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 203.222224][ T4540] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 203.230205][ T4540] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 203.238182][ T4540] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 203.246172][ T4540] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 203.254147][ T4540] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 203.262128][ T4540]
[ 203.279276][ T4540] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 203.292879][ T4540] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 203.659673][ T4541] loop1: detected capacity change from 0 to 32768
[ 203.733612][ T4541] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 203.741051][ T4541] CPU: 1 PID: 4541 Comm: syz.1.168 Not tainted 5.15.189-syzkaller #0
[ 203.749144][ T4541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 203.759308][ T4541] Call Trace:
[ 203.762712][ T4541]
[ 203.765678][ T4541] dump_stack_lvl+0x168/0x230
[ 203.770388][ T4541] ? show_regs_print_info+0x20/0x20
[ 203.775619][ T4541] ? load_image+0x3b0/0x3b0
[ 203.780171][ T4541] sysfs_create_dir_ns+0x252/0x280
[ 203.785312][ T4541] ? __lock_acquire+0x7c60/0x7c60
[ 203.790375][ T4541] ? sysfs_warn_dup+0xa0/0xa0
[ 203.795205][ T4541] ? do_raw_spin_unlock+0x11d/0x230
[ 203.800444][ T4541] kobject_add_internal+0x662/0xd00
[ 203.805681][ T4541] kobject_init_and_add+0x122/0x190
[ 203.810918][ T4541] ? lockdep_softirqs_off+0x420/0x420
[ 203.816325][ T4541] ? kobject_add+0x210/0x210
[ 203.820972][ T4541] ? __init_swait_queue_head+0xa5/0x150
[ 203.826557][ T4541] gfs2_sys_fs_add+0x234/0x480
[ 203.831333][ T4541] ? gfs2_recover_set+0x240/0x240
[ 203.836389][ T4541] ? snprintf+0xd7/0x120
[ 203.840630][ T4541] ? __free_pages+0x95/0x1a0
[ 203.845342][ T4541] ? vscnprintf+0x80/0x80
[ 203.849701][ T4541] gfs2_fill_super+0x128d/0x1f50
[ 203.854654][ T4541] ? gfs2_reconfigure+0xcd0/0xcd0
[ 203.859687][ T4541] ? preempt_count_add+0x8d/0x190
[ 203.864735][ T4541] ? sb_set_blocksize+0xa5/0xe0
[ 203.869607][ T4541] get_tree_bdev+0x3f1/0x610
[ 203.874206][ T4541] ? gfs2_reconfigure+0xcd0/0xcd0
[ 203.879240][ T4541] gfs2_get_tree+0x4d/0x1e0
[ 203.883763][ T4541] vfs_get_tree+0x88/0x270
[ 203.888191][ T4541] do_new_mount+0x24a/0xa40
[ 203.892719][ T4541] __se_sys_mount+0x2d6/0x3c0
[ 203.897410][ T4541] ? __x64_sys_mount+0xc0/0xc0
[ 203.902191][ T4541] ? lockdep_hardirqs_on+0x94/0x140
[ 203.907447][ T4541] ? __x64_sys_mount+0x1c/0xc0
[ 203.912217][ T4541] do_syscall_64+0x4c/0xa0
[ 203.916658][ T4541] ? clear_bhb_loop+0x30/0x80
[ 203.921339][ T4541] ? clear_bhb_loop+0x30/0x80
[ 203.926037][ T4541] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 203.931938][ T4541] RIP: 0033:0x7f016223b38a
[ 203.936356][ T4541] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 203.956073][ T4541] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 203.964505][ T4541] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 203.972630][ T4541] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 203.980627][ T4541] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 203.988687][ T4541] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 203.996671][ T4541] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 204.004656][ T4541]
[ 204.008189][ T4541] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 204.021370][ T4541] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 204.411769][ T4542] loop1: detected capacity change from 0 to 32768
[ 204.466913][ T4542] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 204.484339][ T4542] CPU: 1 PID: 4542 Comm: syz.1.169 Not tainted 5.15.189-syzkaller #0
[ 204.492457][ T4542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 204.502539][ T4542] Call Trace:
[ 204.505846][ T4542]
[ 204.508793][ T4542] dump_stack_lvl+0x168/0x230
[ 204.513498][ T4542] ? show_regs_print_info+0x20/0x20
[ 204.518721][ T4542] ? load_image+0x3b0/0x3b0
[ 204.523255][ T4542] sysfs_create_dir_ns+0x252/0x280
[ 204.528388][ T4542] ? __lock_acquire+0x7c60/0x7c60
[ 204.533442][ T4542] ? sysfs_warn_dup+0xa0/0xa0
[ 204.538348][ T4542] ? do_raw_spin_unlock+0x11d/0x230
[ 204.543573][ T4542] kobject_add_internal+0x662/0xd00
[ 204.548802][ T4542] kobject_init_and_add+0x122/0x190
[ 204.554018][ T4542] ? lockdep_softirqs_off+0x420/0x420
[ 204.559415][ T4542] ? kobject_add+0x210/0x210
[ 204.564027][ T4542] ? __init_swait_queue_head+0xa5/0x150
[ 204.569601][ T4542] gfs2_sys_fs_add+0x234/0x480
[ 204.574391][ T4542] ? gfs2_recover_set+0x240/0x240
[ 204.579436][ T4542] ? snprintf+0xd7/0x120
[ 204.583705][ T4542] ? __free_pages+0x95/0x1a0
[ 204.588317][ T4542] ? vscnprintf+0x80/0x80
[ 204.592682][ T4542] gfs2_fill_super+0x128d/0x1f50
[ 204.597658][ T4542] ? gfs2_reconfigure+0xcd0/0xcd0
[ 204.602718][ T4542] ? preempt_count_add+0x8d/0x190
[ 204.607780][ T4542] ? sb_set_blocksize+0xa5/0xe0
[ 204.612666][ T4542] get_tree_bdev+0x3f1/0x610
[ 204.617288][ T4542] ? gfs2_reconfigure+0xcd0/0xcd0
[ 204.622330][ T4542] gfs2_get_tree+0x4d/0x1e0
[ 204.626858][ T4542] vfs_get_tree+0x88/0x270
[ 204.631303][ T4542] do_new_mount+0x24a/0xa40
[ 204.635857][ T4542] __se_sys_mount+0x2d6/0x3c0
[ 204.640575][ T4542] ? __x64_sys_mount+0xc0/0xc0
[ 204.645379][ T4542] ? lockdep_hardirqs_on+0x94/0x140
[ 204.650607][ T4542] ? __x64_sys_mount+0x1c/0xc0
[ 204.655424][ T4542] do_syscall_64+0x4c/0xa0
[ 204.659960][ T4542] ? clear_bhb_loop+0x30/0x80
[ 204.664653][ T4542] ? clear_bhb_loop+0x30/0x80
[ 204.669363][ T4542] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 204.675287][ T4542] RIP: 0033:0x7f016223b38a
[ 204.679736][ T4542] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 204.699368][ T4542] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 204.707978][ T4542] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 204.715979][ T4542] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 204.724060][ T4542] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 204.732056][ T4542] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 204.740051][ T4542] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 204.748058][ T4542]
[ 204.752501][ T4542] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 204.767243][ T4542] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 205.222184][ T4543] loop1: detected capacity change from 0 to 32768
[ 205.280707][ T4543] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 205.288761][ T4543] CPU: 0 PID: 4543 Comm: syz.1.170 Not tainted 5.15.189-syzkaller #0
[ 205.296865][ T4543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 205.306947][ T4543] Call Trace:
[ 205.310253][ T4543]
[ 205.313209][ T4543] dump_stack_lvl+0x168/0x230
[ 205.318042][ T4543] ? show_regs_print_info+0x20/0x20
[ 205.323262][ T4543] ? load_image+0x3b0/0x3b0
[ 205.327818][ T4543] sysfs_create_dir_ns+0x252/0x280
[ 205.332973][ T4543] ? __lock_acquire+0x7c60/0x7c60
[ 205.338029][ T4543] ? sysfs_warn_dup+0xa0/0xa0
[ 205.342743][ T4543] ? do_raw_spin_unlock+0x11d/0x230
[ 205.347968][ T4543] kobject_add_internal+0x662/0xd00
[ 205.353195][ T4543] kobject_init_and_add+0x122/0x190
[ 205.358453][ T4543] ? lockdep_softirqs_off+0x420/0x420
[ 205.363956][ T4543] ? kobject_add+0x210/0x210
[ 205.368577][ T4543] ? __init_swait_queue_head+0xa5/0x150
[ 205.374156][ T4543] gfs2_sys_fs_add+0x234/0x480
[ 205.378956][ T4543] ? gfs2_recover_set+0x240/0x240
[ 205.383992][ T4543] ? snprintf+0xd7/0x120
[ 205.388237][ T4543] ? __free_pages+0x95/0x1a0
[ 205.392830][ T4543] ? vscnprintf+0x80/0x80
[ 205.397196][ T4543] gfs2_fill_super+0x128d/0x1f50
[ 205.402153][ T4543] ? gfs2_reconfigure+0xcd0/0xcd0
[ 205.407181][ T4543] ? preempt_count_add+0x8d/0x190
[ 205.412214][ T4543] ? sb_set_blocksize+0xa5/0xe0
[ 205.417079][ T4543] get_tree_bdev+0x3f1/0x610
[ 205.421674][ T4543] ? gfs2_reconfigure+0xcd0/0xcd0
[ 205.426706][ T4543] gfs2_get_tree+0x4d/0x1e0
[ 205.431356][ T4543] vfs_get_tree+0x88/0x270
[ 205.435843][ T4543] do_new_mount+0x24a/0xa40
[ 205.440375][ T4543] __se_sys_mount+0x2d6/0x3c0
[ 205.445062][ T4543] ? __x64_sys_mount+0xc0/0xc0
[ 205.449832][ T4543] ? lockdep_hardirqs_on+0x94/0x140
[ 205.455035][ T4543] ? __x64_sys_mount+0x1c/0xc0
[ 205.459806][ T4543] do_syscall_64+0x4c/0xa0
[ 205.464225][ T4543] ? clear_bhb_loop+0x30/0x80
[ 205.468898][ T4543] ? clear_bhb_loop+0x30/0x80
[ 205.473576][ T4543] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 205.479474][ T4543] RIP: 0033:0x7f016223b38a
[ 205.483892][ T4543] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 205.503841][ T4543] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 205.512279][ T4543] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 205.520355][ T4543] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 205.528416][ T4543] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 205.536488][ T4543] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 205.544559][ T4543] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 205.552543][ T4543]
[ 205.557890][ T4543] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 205.571061][ T4543] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 205.961005][ T4544] loop1: detected capacity change from 0 to 32768
[ 206.017163][ T4544] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 206.025326][ T4544] CPU: 1 PID: 4544 Comm: syz.1.171 Not tainted 5.15.189-syzkaller #0
[ 206.033448][ T4544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 206.043541][ T4544] Call Trace:
[ 206.046850][ T4544]
[ 206.049848][ T4544] dump_stack_lvl+0x168/0x230
[ 206.054557][ T4544] ? show_regs_print_info+0x20/0x20
[ 206.059787][ T4544] ? load_image+0x3b0/0x3b0
[ 206.064334][ T4544] sysfs_create_dir_ns+0x252/0x280
[ 206.069473][ T4544] ? __lock_acquire+0x7c60/0x7c60
[ 206.074608][ T4544] ? sysfs_warn_dup+0xa0/0xa0
[ 206.079334][ T4544] ? do_raw_spin_unlock+0x11d/0x230
[ 206.084563][ T4544] kobject_add_internal+0x662/0xd00
[ 206.089805][ T4544] kobject_init_and_add+0x122/0x190
[ 206.095034][ T4544] ? lockdep_softirqs_off+0x420/0x420
[ 206.100451][ T4544] ? kobject_add+0x210/0x210
[ 206.105069][ T4544] ? __init_swait_queue_head+0xa5/0x150
[ 206.110657][ T4544] gfs2_sys_fs_add+0x234/0x480
[ 206.115451][ T4544] ? gfs2_recover_set+0x240/0x240
[ 206.120505][ T4544] ? snprintf+0xd7/0x120
[ 206.124780][ T4544] ? __free_pages+0x95/0x1a0
[ 206.129404][ T4544] ? vscnprintf+0x80/0x80
[ 206.133877][ T4544] gfs2_fill_super+0x128d/0x1f50
[ 206.138846][ T4544] ? gfs2_reconfigure+0xcd0/0xcd0
[ 206.143876][ T4544] ? preempt_count_add+0x8d/0x190
[ 206.149011][ T4544] ? sb_set_blocksize+0xa5/0xe0
[ 206.153866][ T4544] get_tree_bdev+0x3f1/0x610
[ 206.158460][ T4544] ? gfs2_reconfigure+0xcd0/0xcd0
[ 206.163483][ T4544] gfs2_get_tree+0x4d/0x1e0
[ 206.168181][ T4544] vfs_get_tree+0x88/0x270
[ 206.172615][ T4544] do_new_mount+0x24a/0xa40
[ 206.177254][ T4544] __se_sys_mount+0x2d6/0x3c0
[ 206.181948][ T4544] ? __x64_sys_mount+0xc0/0xc0
[ 206.186709][ T4544] ? lockdep_hardirqs_on+0x94/0x140
[ 206.191913][ T4544] ? __x64_sys_mount+0x1c/0xc0
[ 206.196716][ T4544] do_syscall_64+0x4c/0xa0
[ 206.201131][ T4544] ? clear_bhb_loop+0x30/0x80
[ 206.205812][ T4544] ? clear_bhb_loop+0x30/0x80
[ 206.210506][ T4544] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 206.216421][ T4544] RIP: 0033:0x7f016223b38a
[ 206.220839][ T4544] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 206.240445][ T4544] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 206.248877][ T4544] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 206.256897][ T4544] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 206.264884][ T4544] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 206.272879][ T4544] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 206.280866][ T4544] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 206.288865][ T4544]
[ 206.296349][ T4544] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 206.309940][ T4544] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 206.670337][ T4545] loop1: detected capacity change from 0 to 32768
[ 206.722548][ T4545] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 206.729988][ T4545] CPU: 0 PID: 4545 Comm: syz.1.172 Not tainted 5.15.189-syzkaller #0
[ 206.738080][ T4545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 206.748284][ T4545] Call Trace:
[ 206.751601][ T4545]
[ 206.754570][ T4545] dump_stack_lvl+0x168/0x230
[ 206.759282][ T4545] ? show_regs_print_info+0x20/0x20
[ 206.764518][ T4545] ? load_image+0x3b0/0x3b0
[ 206.769068][ T4545] sysfs_create_dir_ns+0x252/0x280
[ 206.774216][ T4545] ? __lock_acquire+0x7c60/0x7c60
[ 206.779271][ T4545] ? sysfs_warn_dup+0xa0/0xa0
[ 206.783982][ T4545] ? do_raw_spin_unlock+0x11d/0x230
[ 206.789213][ T4545] kobject_add_internal+0x662/0xd00
[ 206.794455][ T4545] kobject_init_and_add+0x122/0x190
[ 206.799687][ T4545] ? lockdep_softirqs_off+0x420/0x420
[ 206.805453][ T4545] ? kobject_add+0x210/0x210
[ 206.810089][ T4545] ? __init_swait_queue_head+0xa5/0x150
[ 206.815797][ T4545] gfs2_sys_fs_add+0x234/0x480
[ 206.820589][ T4545] ? gfs2_recover_set+0x240/0x240
[ 206.825618][ T4545] ? snprintf+0xd7/0x120
[ 206.829951][ T4545] ? __free_pages+0x95/0x1a0
[ 206.834571][ T4545] ? vscnprintf+0x80/0x80
[ 206.838925][ T4545] gfs2_fill_super+0x128d/0x1f50
[ 206.844001][ T4545] ? gfs2_reconfigure+0xcd0/0xcd0
[ 206.849035][ T4545] ? preempt_count_add+0x8d/0x190
[ 206.854075][ T4545] ? sb_set_blocksize+0xa5/0xe0
[ 206.858939][ T4545] get_tree_bdev+0x3f1/0x610
[ 206.863537][ T4545] ? gfs2_reconfigure+0xcd0/0xcd0
[ 206.868670][ T4545] gfs2_get_tree+0x4d/0x1e0
[ 206.873178][ T4545] vfs_get_tree+0x88/0x270
[ 206.877622][ T4545] do_new_mount+0x24a/0xa40
[ 206.882395][ T4545] __se_sys_mount+0x2d6/0x3c0
[ 206.887102][ T4545] ? __x64_sys_mount+0xc0/0xc0
[ 206.891959][ T4545] ? lockdep_hardirqs_on+0x94/0x140
[ 206.897159][ T4545] ? __x64_sys_mount+0x1c/0xc0
[ 206.901928][ T4545] do_syscall_64+0x4c/0xa0
[ 206.906352][ T4545] ? clear_bhb_loop+0x30/0x80
[ 206.911033][ T4545] ? clear_bhb_loop+0x30/0x80
[ 206.915708][ T4545] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 206.921608][ T4545] RIP: 0033:0x7f016223b38a
[ 206.926040][ T4545] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 206.945649][ T4545] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 206.954066][ T4545] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 206.962041][ T4545] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 206.970014][ T4545] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 206.977999][ T4545] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 206.985981][ T4545] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 206.994053][ T4545]
[ 206.999389][ T4545] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 207.012589][ T4545] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 11:53:55 executed programs: 158
[ 207.395671][ T4546] loop1: detected capacity change from 0 to 32768
[ 207.406079][ T4546] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 207.414491][ T4546] CPU: 0 PID: 4546 Comm: syz.1.173 Not tainted 5.15.189-syzkaller #0
[ 207.422590][ T4546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 207.432668][ T4546] Call Trace:
[ 207.435979][ T4546]
[ 207.438932][ T4546] dump_stack_lvl+0x168/0x230
[ 207.443653][ T4546] ? show_regs_print_info+0x20/0x20
[ 207.448976][ T4546] ? load_image+0x3b0/0x3b0
[ 207.453536][ T4546] sysfs_create_dir_ns+0x252/0x280
[ 207.458680][ T4546] ? __lock_acquire+0x7c60/0x7c60
[ 207.463743][ T4546] ? sysfs_warn_dup+0xa0/0xa0
[ 207.468463][ T4546] ? do_raw_spin_unlock+0x11d/0x230
[ 207.473764][ T4546] kobject_add_internal+0x662/0xd00
[ 207.478995][ T4546] kobject_init_and_add+0x122/0x190
[ 207.484205][ T4546] ? lockdep_softirqs_off+0x420/0x420
[ 207.489588][ T4546] ? kobject_add+0x210/0x210
[ 207.494191][ T4546] ? __init_swait_queue_head+0xa5/0x150
[ 207.499759][ T4546] gfs2_sys_fs_add+0x234/0x480
[ 207.504556][ T4546] ? gfs2_recover_set+0x240/0x240
[ 207.509596][ T4546] ? snprintf+0xd7/0x120
[ 207.513846][ T4546] ? __free_pages+0x95/0x1a0
[ 207.518442][ T4546] ? vscnprintf+0x80/0x80
[ 207.522793][ T4546] gfs2_fill_super+0x128d/0x1f50
[ 207.527746][ T4546] ? gfs2_reconfigure+0xcd0/0xcd0
[ 207.532776][ T4546] ? preempt_count_add+0x8d/0x190
[ 207.537811][ T4546] ? sb_set_blocksize+0xa5/0xe0
[ 207.542689][ T4546] get_tree_bdev+0x3f1/0x610
[ 207.547282][ T4546] ? gfs2_reconfigure+0xcd0/0xcd0
[ 207.552308][ T4546] gfs2_get_tree+0x4d/0x1e0
[ 207.556808][ T4546] vfs_get_tree+0x88/0x270
[ 207.561223][ T4546] do_new_mount+0x24a/0xa40
[ 207.565733][ T4546] __se_sys_mount+0x2d6/0x3c0
[ 207.570414][ T4546] ? __x64_sys_mount+0xc0/0xc0
[ 207.575245][ T4546] ? lockdep_hardirqs_on+0x94/0x140
[ 207.580448][ T4546] ? __x64_sys_mount+0x1c/0xc0
[ 207.585226][ T4546] do_syscall_64+0x4c/0xa0
[ 207.589644][ T4546] ? clear_bhb_loop+0x30/0x80
[ 207.594317][ T4546] ? clear_bhb_loop+0x30/0x80
[ 207.598998][ T4546] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 207.604891][ T4546] RIP: 0033:0x7f016223b38a
[ 207.609304][ T4546] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 207.628999][ T4546] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 207.637433][ T4546] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 207.645429][ T4546] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 207.653421][ T4546] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 207.661396][ T4546] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 207.669455][ T4546] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 207.677444][ T4546]
[ 207.683299][ T4546] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 207.696525][ T4546] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 208.073923][ T4547] loop1: detected capacity change from 0 to 32768
[ 208.122831][ T4547] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 208.130269][ T4547] CPU: 1 PID: 4547 Comm: syz.1.174 Not tainted 5.15.189-syzkaller #0
[ 208.138479][ T4547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 208.148572][ T4547] Call Trace:
[ 208.151874][ T4547]
[ 208.154826][ T4547] dump_stack_lvl+0x168/0x230
[ 208.159623][ T4547] ? show_regs_print_info+0x20/0x20
[ 208.164845][ T4547] ? load_image+0x3b0/0x3b0
[ 208.169388][ T4547] sysfs_create_dir_ns+0x252/0x280
[ 208.174619][ T4547] ? __lock_acquire+0x7c60/0x7c60
[ 208.179759][ T4547] ? sysfs_warn_dup+0xa0/0xa0
[ 208.184589][ T4547] ? do_raw_spin_unlock+0x11d/0x230
[ 208.189826][ T4547] kobject_add_internal+0x662/0xd00
[ 208.195057][ T4547] kobject_init_and_add+0x122/0x190
[ 208.200291][ T4547] ? lockdep_softirqs_off+0x420/0x420
[ 208.205708][ T4547] ? kobject_add+0x210/0x210
[ 208.210357][ T4547] ? __init_swait_queue_head+0xa5/0x150
[ 208.215933][ T4547] gfs2_sys_fs_add+0x234/0x480
[ 208.220813][ T4547] ? gfs2_recover_set+0x240/0x240
[ 208.225948][ T4547] ? snprintf+0xd7/0x120
[ 208.230213][ T4547] ? __free_pages+0x95/0x1a0
[ 208.234896][ T4547] ? vscnprintf+0x80/0x80
[ 208.239239][ T4547] gfs2_fill_super+0x128d/0x1f50
[ 208.244186][ T4547] ? gfs2_reconfigure+0xcd0/0xcd0
[ 208.249214][ T4547] ? preempt_count_add+0x8d/0x190
[ 208.254250][ T4547] ? sb_set_blocksize+0xa5/0xe0
[ 208.259113][ T4547] get_tree_bdev+0x3f1/0x610
[ 208.263899][ T4547] ? gfs2_reconfigure+0xcd0/0xcd0
[ 208.268929][ T4547] gfs2_get_tree+0x4d/0x1e0
[ 208.273444][ T4547] vfs_get_tree+0x88/0x270
[ 208.277891][ T4547] do_new_mount+0x24a/0xa40
[ 208.282416][ T4547] __se_sys_mount+0x2d6/0x3c0
[ 208.287107][ T4547] ? __x64_sys_mount+0xc0/0xc0
[ 208.291876][ T4547] ? lockdep_hardirqs_on+0x94/0x140
[ 208.297075][ T4547] ? __x64_sys_mount+0x1c/0xc0
[ 208.301840][ T4547] do_syscall_64+0x4c/0xa0
[ 208.306255][ T4547] ? clear_bhb_loop+0x30/0x80
[ 208.310928][ T4547] ? clear_bhb_loop+0x30/0x80
[ 208.315606][ T4547] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 208.321590][ T4547] RIP: 0033:0x7f016223b38a
[ 208.321612][ T4547] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 208.321632][ T4547] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 208.321655][ T4547] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 208.362299][ T4547] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 208.370273][ T4547] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 208.378243][ T4547] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 208.386232][ T4547] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 208.394240][ T4547]
[ 208.397575][ T4547] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 208.410824][ T4547] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 208.834779][ T4548] loop1: detected capacity change from 0 to 32768
[ 208.854064][ T4548] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 208.861613][ T4548] CPU: 1 PID: 4548 Comm: syz.1.175 Not tainted 5.15.189-syzkaller #0
[ 208.869712][ T4548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 208.879796][ T4548] Call Trace:
[ 208.883101][ T4548]
[ 208.886101][ T4548] dump_stack_lvl+0x168/0x230
[ 208.890815][ T4548] ? show_regs_print_info+0x20/0x20
[ 208.896143][ T4548] ? load_image+0x3b0/0x3b0
[ 208.900693][ T4548] sysfs_create_dir_ns+0x252/0x280
[ 208.905838][ T4548] ? __lock_acquire+0x7c60/0x7c60
[ 208.910916][ T4548] ? sysfs_warn_dup+0xa0/0xa0
[ 208.915645][ T4548] ? do_raw_spin_unlock+0x11d/0x230
[ 208.920872][ T4548] kobject_add_internal+0x662/0xd00
[ 208.926114][ T4548] kobject_init_and_add+0x122/0x190
[ 208.931356][ T4548] ? lockdep_softirqs_off+0x420/0x420
[ 208.936761][ T4548] ? kobject_add+0x210/0x210
[ 208.941389][ T4548] ? __init_swait_queue_head+0xa5/0x150
[ 208.946968][ T4548] gfs2_sys_fs_add+0x234/0x480
[ 208.951762][ T4548] ? gfs2_recover_set+0x240/0x240
[ 208.956812][ T4548] ? snprintf+0xd7/0x120
[ 208.961076][ T4548] ? __free_pages+0x95/0x1a0
[ 208.965670][ T4548] ? vscnprintf+0x80/0x80
[ 208.970012][ T4548] gfs2_fill_super+0x128d/0x1f50
[ 208.974966][ T4548] ? gfs2_reconfigure+0xcd0/0xcd0
[ 208.980101][ T4548] ? preempt_count_add+0x8d/0x190
[ 208.985169][ T4548] ? sb_set_blocksize+0xa5/0xe0
[ 208.990033][ T4548] get_tree_bdev+0x3f1/0x610
[ 208.994628][ T4548] ? gfs2_reconfigure+0xcd0/0xcd0
[ 208.999656][ T4548] gfs2_get_tree+0x4d/0x1e0
[ 209.004171][ T4548] vfs_get_tree+0x88/0x270
[ 209.008592][ T4548] do_new_mount+0x24a/0xa40
[ 209.013111][ T4548] __se_sys_mount+0x2d6/0x3c0
[ 209.017798][ T4548] ? __x64_sys_mount+0xc0/0xc0
[ 209.022586][ T4548] ? lockdep_hardirqs_on+0x94/0x140
[ 209.027784][ T4548] ? __x64_sys_mount+0x1c/0xc0
[ 209.032554][ T4548] do_syscall_64+0x4c/0xa0
[ 209.036992][ T4548] ? clear_bhb_loop+0x30/0x80
[ 209.041674][ T4548] ? clear_bhb_loop+0x30/0x80
[ 209.046367][ T4548] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 209.052267][ T4548] RIP: 0033:0x7f016223b38a
[ 209.056687][ T4548] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 209.076313][ T4548] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 209.084735][ T4548] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 209.092728][ T4548] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 209.100803][ T4548] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 209.108800][ T4548] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 209.116785][ T4548] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 209.124771][ T4548]
[ 209.128625][ T4548] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 209.142090][ T4548] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 209.507851][ T4549] loop1: detected capacity change from 0 to 32768
[ 209.583493][ T4549] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 209.590936][ T4549] CPU: 1 PID: 4549 Comm: syz.1.176 Not tainted 5.15.189-syzkaller #0
[ 209.599035][ T4549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 209.609339][ T4549] Call Trace:
[ 209.612649][ T4549]
[ 209.615606][ T4549] dump_stack_lvl+0x168/0x230
[ 209.620336][ T4549] ? show_regs_print_info+0x20/0x20
[ 209.625575][ T4549] ? load_image+0x3b0/0x3b0
[ 209.630121][ T4549] sysfs_create_dir_ns+0x252/0x280
[ 209.635395][ T4549] ? __lock_acquire+0x7c60/0x7c60
[ 209.640454][ T4549] ? sysfs_warn_dup+0xa0/0xa0
[ 209.645178][ T4549] ? do_raw_spin_unlock+0x11d/0x230
[ 209.650419][ T4549] kobject_add_internal+0x662/0xd00
[ 209.655655][ T4549] kobject_init_and_add+0x122/0x190
[ 209.660880][ T4549] ? lockdep_softirqs_off+0x420/0x420
[ 209.666294][ T4549] ? kobject_add+0x210/0x210
[ 209.670920][ T4549] ? __init_swait_queue_head+0xa5/0x150
[ 209.676582][ T4549] gfs2_sys_fs_add+0x234/0x480
[ 209.681378][ T4549] ? gfs2_recover_set+0x240/0x240
[ 209.686428][ T4549] ? snprintf+0xd7/0x120
[ 209.690709][ T4549] ? __free_pages+0x95/0x1a0
[ 209.695329][ T4549] ? vscnprintf+0x80/0x80
[ 209.699682][ T4549] gfs2_fill_super+0x128d/0x1f50
[ 209.704638][ T4549] ? gfs2_reconfigure+0xcd0/0xcd0
[ 209.709669][ T4549] ? preempt_count_add+0x8d/0x190
[ 209.714706][ T4549] ? sb_set_blocksize+0xa5/0xe0
[ 209.719562][ T4549] get_tree_bdev+0x3f1/0x610
[ 209.724160][ T4549] ? gfs2_reconfigure+0xcd0/0xcd0
[ 209.729196][ T4549] gfs2_get_tree+0x4d/0x1e0
[ 209.733814][ T4549] vfs_get_tree+0x88/0x270
[ 209.738255][ T4549] do_new_mount+0x24a/0xa40
[ 209.742763][ T4549] __se_sys_mount+0x2d6/0x3c0
[ 209.747442][ T4549] ? __x64_sys_mount+0xc0/0xc0
[ 209.752207][ T4549] ? lockdep_hardirqs_on+0x94/0x140
[ 209.757945][ T4549] ? __x64_sys_mount+0x1c/0xc0
[ 209.762826][ T4549] do_syscall_64+0x4c/0xa0
[ 209.767263][ T4549] ? clear_bhb_loop+0x30/0x80
[ 209.772029][ T4549] ? clear_bhb_loop+0x30/0x80
[ 209.776713][ T4549] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 209.782717][ T4549] RIP: 0033:0x7f016223b38a
[ 209.787137][ T4549] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 209.806756][ T4549] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 209.815364][ T4549] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 209.823345][ T4549] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 209.831405][ T4549] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 209.839397][ T4549] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 209.847377][ T4549] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 209.855358][ T4549]
[ 209.858923][ T4549] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 209.872273][ T4549] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 210.240687][ T4550] loop1: detected capacity change from 0 to 32768
[ 210.333608][ T4550] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 210.341218][ T4550] CPU: 1 PID: 4550 Comm: syz.1.177 Not tainted 5.15.189-syzkaller #0
[ 210.349320][ T4550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 210.359395][ T4550] Call Trace:
[ 210.362696][ T4550]
[ 210.365643][ T4550] dump_stack_lvl+0x168/0x230
[ 210.370351][ T4550] ? show_regs_print_info+0x20/0x20
[ 210.375575][ T4550] ? load_image+0x3b0/0x3b0
[ 210.380117][ T4550] sysfs_create_dir_ns+0x252/0x280
[ 210.385252][ T4550] ? __lock_acquire+0x7c60/0x7c60
[ 210.390315][ T4550] ? sysfs_warn_dup+0xa0/0xa0
[ 210.395077][ T4550] ? do_raw_spin_unlock+0x11d/0x230
[ 210.400313][ T4550] kobject_add_internal+0x662/0xd00
[ 210.405565][ T4550] kobject_init_and_add+0x122/0x190
[ 210.410780][ T4550] ? lockdep_softirqs_off+0x420/0x420
[ 210.416164][ T4550] ? kobject_add+0x210/0x210
[ 210.420755][ T4550] ? __init_swait_queue_head+0xa5/0x150
[ 210.426300][ T4550] gfs2_sys_fs_add+0x234/0x480
[ 210.431081][ T4550] ? gfs2_recover_set+0x240/0x240
[ 210.436110][ T4550] ? snprintf+0xd7/0x120
[ 210.440370][ T4550] ? __free_pages+0x95/0x1a0
[ 210.444976][ T4550] ? vscnprintf+0x80/0x80
[ 210.449450][ T4550] gfs2_fill_super+0x128d/0x1f50
[ 210.454416][ T4550] ? gfs2_reconfigure+0xcd0/0xcd0
[ 210.459463][ T4550] ? preempt_count_add+0x8d/0x190
[ 210.464524][ T4550] ? sb_set_blocksize+0xa5/0xe0
[ 210.469383][ T4550] get_tree_bdev+0x3f1/0x610
[ 210.474165][ T4550] ? gfs2_reconfigure+0xcd0/0xcd0
[ 210.479210][ T4550] gfs2_get_tree+0x4d/0x1e0
[ 210.483723][ T4550] vfs_get_tree+0x88/0x270
[ 210.488147][ T4550] do_new_mount+0x24a/0xa40
[ 210.492774][ T4550] __se_sys_mount+0x2d6/0x3c0
[ 210.497487][ T4550] ? __x64_sys_mount+0xc0/0xc0
[ 210.502425][ T4550] ? lockdep_hardirqs_on+0x94/0x140
[ 210.507819][ T4550] ? __x64_sys_mount+0x1c/0xc0
[ 210.512756][ T4550] do_syscall_64+0x4c/0xa0
[ 210.517276][ T4550] ? clear_bhb_loop+0x30/0x80
[ 210.522148][ T4550] ? clear_bhb_loop+0x30/0x80
[ 210.526850][ T4550] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 210.532747][ T4550] RIP: 0033:0x7f016223b38a
[ 210.537250][ T4550] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 210.556875][ T4550] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 210.565411][ T4550] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 210.573479][ T4550] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 210.581457][ T4550] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 210.589432][ T4550] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 210.597405][ T4550] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 210.605501][ T4550]
[ 210.609069][ T4550] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 210.622310][ T4550] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 211.020573][ T4551] loop1: detected capacity change from 0 to 32768
[ 211.060722][ T4551] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 211.068220][ T4551] CPU: 1 PID: 4551 Comm: syz.1.178 Not tainted 5.15.189-syzkaller #0
[ 211.076379][ T4551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 211.086655][ T4551] Call Trace:
[ 211.089982][ T4551]
[ 211.092943][ T4551] dump_stack_lvl+0x168/0x230
[ 211.097750][ T4551] ? show_regs_print_info+0x20/0x20
[ 211.102988][ T4551] ? load_image+0x3b0/0x3b0
[ 211.107530][ T4551] sysfs_create_dir_ns+0x252/0x280
[ 211.112674][ T4551] ? __lock_acquire+0x7c60/0x7c60
[ 211.117735][ T4551] ? sysfs_warn_dup+0xa0/0xa0
[ 211.122531][ T4551] ? do_raw_spin_unlock+0x11d/0x230
[ 211.127759][ T4551] kobject_add_internal+0x662/0xd00
[ 211.132996][ T4551] kobject_init_and_add+0x122/0x190
[ 211.138234][ T4551] ? lockdep_softirqs_off+0x420/0x420
[ 211.143640][ T4551] ? kobject_add+0x210/0x210
[ 211.148264][ T4551] ? __init_swait_queue_head+0xa5/0x150
[ 211.153843][ T4551] gfs2_sys_fs_add+0x234/0x480
[ 211.158635][ T4551] ? gfs2_recover_set+0x240/0x240
[ 211.163680][ T4551] ? snprintf+0xd7/0x120
[ 211.167933][ T4551] ? __free_pages+0x95/0x1a0
[ 211.172527][ T4551] ? vscnprintf+0x80/0x80
[ 211.176869][ T4551] gfs2_fill_super+0x128d/0x1f50
[ 211.181907][ T4551] ? gfs2_reconfigure+0xcd0/0xcd0
[ 211.186974][ T4551] ? preempt_count_add+0x8d/0x190
[ 211.192003][ T4551] ? sb_set_blocksize+0xa5/0xe0
[ 211.196857][ T4551] get_tree_bdev+0x3f1/0x610
[ 211.201746][ T4551] ? gfs2_reconfigure+0xcd0/0xcd0
[ 211.206784][ T4551] gfs2_get_tree+0x4d/0x1e0
[ 211.211299][ T4551] vfs_get_tree+0x88/0x270
[ 211.215734][ T4551] do_new_mount+0x24a/0xa40
[ 211.220369][ T4551] __se_sys_mount+0x2d6/0x3c0
[ 211.225077][ T4551] ? __x64_sys_mount+0xc0/0xc0
[ 211.230054][ T4551] ? lockdep_hardirqs_on+0x94/0x140
[ 211.235254][ T4551] ? __x64_sys_mount+0x1c/0xc0
[ 211.240036][ T4551] do_syscall_64+0x4c/0xa0
[ 211.244457][ T4551] ? clear_bhb_loop+0x30/0x80
[ 211.249151][ T4551] ? clear_bhb_loop+0x30/0x80
[ 211.253825][ T4551] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 211.259720][ T4551] RIP: 0033:0x7f016223b38a
[ 211.264133][ T4551] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 211.283736][ T4551] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 211.292150][ T4551] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 211.300120][ T4551] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 211.308095][ T4551] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 211.316066][ T4551] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 211.324036][ T4551] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 211.332029][ T4551]
[ 211.335472][ T4551] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 211.348737][ T4551] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 211.722805][ T4552] loop1: detected capacity change from 0 to 32768
[ 211.770355][ T4552] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 211.777973][ T4552] CPU: 1 PID: 4552 Comm: syz.1.179 Not tainted 5.15.189-syzkaller #0
[ 211.786073][ T4552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 211.796358][ T4552] Call Trace:
[ 211.799664][ T4552]
[ 211.802629][ T4552] dump_stack_lvl+0x168/0x230
[ 211.807427][ T4552] ? show_regs_print_info+0x20/0x20
[ 211.812653][ T4552] ? load_image+0x3b0/0x3b0
[ 211.817196][ T4552] sysfs_create_dir_ns+0x252/0x280
[ 211.822333][ T4552] ? __lock_acquire+0x7c60/0x7c60
[ 211.827385][ T4552] ? sysfs_warn_dup+0xa0/0xa0
[ 211.832102][ T4552] ? do_raw_spin_unlock+0x11d/0x230
[ 211.837329][ T4552] kobject_add_internal+0x662/0xd00
[ 211.842560][ T4552] kobject_init_and_add+0x122/0x190
[ 211.847783][ T4552] ? lockdep_softirqs_off+0x420/0x420
[ 211.853232][ T4552] ? kobject_add+0x210/0x210
[ 211.857865][ T4552] ? __init_swait_queue_head+0xa5/0x150
[ 211.863445][ T4552] gfs2_sys_fs_add+0x234/0x480
[ 211.868331][ T4552] ? gfs2_recover_set+0x240/0x240
[ 211.873485][ T4552] ? snprintf+0xd7/0x120
[ 211.877756][ T4552] ? __free_pages+0x95/0x1a0
[ 211.882633][ T4552] ? vscnprintf+0x80/0x80
[ 211.887006][ T4552] gfs2_fill_super+0x128d/0x1f50
[ 211.891998][ T4552] ? gfs2_reconfigure+0xcd0/0xcd0
[ 211.897075][ T4552] ? preempt_count_add+0x8d/0x190
[ 211.902111][ T4552] ? sb_set_blocksize+0xa5/0xe0
[ 211.907060][ T4552] get_tree_bdev+0x3f1/0x610
[ 211.911670][ T4552] ? gfs2_reconfigure+0xcd0/0xcd0
[ 211.916748][ T4552] gfs2_get_tree+0x4d/0x1e0
[ 211.921267][ T4552] vfs_get_tree+0x88/0x270
[ 211.925709][ T4552] do_new_mount+0x24a/0xa40
[ 211.930219][ T4552] __se_sys_mount+0x2d6/0x3c0
[ 211.934935][ T4552] ? __x64_sys_mount+0xc0/0xc0
[ 211.939718][ T4552] ? lockdep_hardirqs_on+0x94/0x140
[ 211.945026][ T4552] ? __x64_sys_mount+0x1c/0xc0
[ 211.949898][ T4552] do_syscall_64+0x4c/0xa0
[ 211.954340][ T4552] ? clear_bhb_loop+0x30/0x80
[ 211.959029][ T4552] ? clear_bhb_loop+0x30/0x80
[ 211.963706][ T4552] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 211.969602][ T4552] RIP: 0033:0x7f016223b38a
[ 211.974028][ T4552] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 211.993749][ T4552] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 212.002286][ T4552] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 212.010285][ T4552] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 212.018287][ T4552] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 212.026263][ T4552] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 212.034263][ T4552] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 212.042305][ T4552]
[ 212.045901][ T4552] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 212.059086][ T4552] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 11:54:00 executed programs: 165
[ 212.449221][ T4553] loop1: detected capacity change from 0 to 32768
[ 212.506408][ T4553] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 212.514552][ T4553] CPU: 1 PID: 4553 Comm: syz.1.180 Not tainted 5.15.189-syzkaller #0
[ 212.522661][ T4553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 212.532743][ T4553] Call Trace:
[ 212.536061][ T4553]
[ 212.539019][ T4553] dump_stack_lvl+0x168/0x230
[ 212.543735][ T4553] ? show_regs_print_info+0x20/0x20
[ 212.549070][ T4553] ? load_image+0x3b0/0x3b0
[ 212.553821][ T4553] sysfs_create_dir_ns+0x252/0x280
[ 212.558982][ T4553] ? __lock_acquire+0x7c60/0x7c60
[ 212.564039][ T4553] ? sysfs_warn_dup+0xa0/0xa0
[ 212.568770][ T4553] ? do_raw_spin_unlock+0x11d/0x230
[ 212.574027][ T4553] kobject_add_internal+0x662/0xd00
[ 212.579260][ T4553] kobject_init_and_add+0x122/0x190
[ 212.584481][ T4553] ? lockdep_softirqs_off+0x420/0x420
[ 212.589888][ T4553] ? kobject_add+0x210/0x210
[ 212.594505][ T4553] ? __init_swait_queue_head+0xa5/0x150
[ 212.600085][ T4553] gfs2_sys_fs_add+0x234/0x480
[ 212.604892][ T4553] ? gfs2_recover_set+0x240/0x240
[ 212.609944][ T4553] ? snprintf+0xd7/0x120
[ 212.614208][ T4553] ? __free_pages+0x95/0x1a0
[ 212.618822][ T4553] ? vscnprintf+0x80/0x80
[ 212.623193][ T4553] gfs2_fill_super+0x128d/0x1f50
[ 212.628178][ T4553] ? gfs2_reconfigure+0xcd0/0xcd0
[ 212.633245][ T4553] ? preempt_count_add+0x8d/0x190
[ 212.638443][ T4553] ? sb_set_blocksize+0xa5/0xe0
[ 212.643427][ T4553] get_tree_bdev+0x3f1/0x610
[ 212.648466][ T4553] ? gfs2_reconfigure+0xcd0/0xcd0
[ 212.653534][ T4553] gfs2_get_tree+0x4d/0x1e0
[ 212.658079][ T4553] vfs_get_tree+0x88/0x270
[ 212.662533][ T4553] do_new_mount+0x24a/0xa40
[ 212.667081][ T4553] __se_sys_mount+0x2d6/0x3c0
[ 212.671772][ T4553] ? __x64_sys_mount+0xc0/0xc0
[ 212.676583][ T4553] ? lockdep_hardirqs_on+0x94/0x140
[ 212.681788][ T4553] ? __x64_sys_mount+0x1c/0xc0
[ 212.686582][ T4553] do_syscall_64+0x4c/0xa0
[ 212.691011][ T4553] ? clear_bhb_loop+0x30/0x80
[ 212.695707][ T4553] ? clear_bhb_loop+0x30/0x80
[ 212.700392][ T4553] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 212.706296][ T4553] RIP: 0033:0x7f016223b38a
[ 212.710723][ T4553] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 212.730544][ T4553] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 212.739083][ T4553] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 212.747065][ T4553] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 212.755058][ T4553] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 212.763127][ T4553] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 212.771107][ T4553] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 212.779087][ T4553]
[ 212.782758][ T4553] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 212.796130][ T4553] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 213.184487][ T4554] loop1: detected capacity change from 0 to 32768
[ 213.226498][ T4554] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 213.234202][ T4554] CPU: 1 PID: 4554 Comm: syz.1.181 Not tainted 5.15.189-syzkaller #0
[ 213.242313][ T4554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 213.252479][ T4554] Call Trace:
[ 213.255818][ T4554]
[ 213.258769][ T4554] dump_stack_lvl+0x168/0x230
[ 213.263678][ T4554] ? show_regs_print_info+0x20/0x20
[ 213.268906][ T4554] ? load_image+0x3b0/0x3b0
[ 213.273446][ T4554] sysfs_create_dir_ns+0x252/0x280
[ 213.278585][ T4554] ? __lock_acquire+0x7c60/0x7c60
[ 213.283641][ T4554] ? sysfs_warn_dup+0xa0/0xa0
[ 213.288352][ T4554] ? do_raw_spin_unlock+0x11d/0x230
[ 213.293582][ T4554] kobject_add_internal+0x662/0xd00
[ 213.298826][ T4554] kobject_init_and_add+0x122/0x190
[ 213.304046][ T4554] ? lockdep_softirqs_off+0x420/0x420
[ 213.309450][ T4554] ? kobject_add+0x210/0x210
[ 213.314067][ T4554] ? __init_swait_queue_head+0xa5/0x150
[ 213.319648][ T4554] gfs2_sys_fs_add+0x234/0x480
[ 213.324433][ T4554] ? gfs2_recover_set+0x240/0x240
[ 213.329479][ T4554] ? snprintf+0xd7/0x120
[ 213.333745][ T4554] ? __free_pages+0x95/0x1a0
[ 213.338365][ T4554] ? vscnprintf+0x80/0x80
[ 213.342722][ T4554] gfs2_fill_super+0x128d/0x1f50
[ 213.347671][ T4554] ? gfs2_reconfigure+0xcd0/0xcd0
[ 213.352712][ T4554] ? preempt_count_add+0x8d/0x190
[ 213.357743][ T4554] ? sb_set_blocksize+0xa5/0xe0
[ 213.362595][ T4554] get_tree_bdev+0x3f1/0x610
[ 213.367184][ T4554] ? gfs2_reconfigure+0xcd0/0xcd0
[ 213.372206][ T4554] gfs2_get_tree+0x4d/0x1e0
[ 213.376737][ T4554] vfs_get_tree+0x88/0x270
[ 213.381159][ T4554] do_new_mount+0x24a/0xa40
[ 213.385670][ T4554] __se_sys_mount+0x2d6/0x3c0
[ 213.390369][ T4554] ? __x64_sys_mount+0xc0/0xc0
[ 213.395135][ T4554] ? lockdep_hardirqs_on+0x94/0x140
[ 213.400326][ T4554] ? __x64_sys_mount+0x1c/0xc0
[ 213.405092][ T4554] do_syscall_64+0x4c/0xa0
[ 213.409526][ T4554] ? clear_bhb_loop+0x30/0x80
[ 213.414209][ T4554] ? clear_bhb_loop+0x30/0x80
[ 213.418881][ T4554] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 213.424774][ T4554] RIP: 0033:0x7f016223b38a
[ 213.429191][ T4554] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 213.449060][ T4554] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 213.457475][ T4554] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 213.465447][ T4554] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 213.473419][ T4554] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 213.481399][ T4554] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 213.481417][ T4554] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 213.481447][ T4554]
[ 213.500950][ T4554] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 213.514494][ T4554] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 213.882488][ T4555] loop1: detected capacity change from 0 to 32768
[ 213.924387][ T4555] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 213.935085][ T4555] CPU: 1 PID: 4555 Comm: syz.1.182 Not tainted 5.15.189-syzkaller #0
[ 213.943186][ T4555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 213.953261][ T4555] Call Trace:
[ 213.956562][ T4555]
[ 213.959518][ T4555] dump_stack_lvl+0x168/0x230
[ 213.964227][ T4555] ? show_regs_print_info+0x20/0x20
[ 213.969464][ T4555] ? load_image+0x3b0/0x3b0
[ 213.974019][ T4555] sysfs_create_dir_ns+0x252/0x280
[ 213.979165][ T4555] ? __lock_acquire+0x7c60/0x7c60
[ 213.984214][ T4555] ? sysfs_warn_dup+0xa0/0xa0
[ 213.988922][ T4555] ? do_raw_spin_unlock+0x11d/0x230
[ 213.994250][ T4555] kobject_add_internal+0x662/0xd00
[ 213.999489][ T4555] kobject_init_and_add+0x122/0x190
[ 214.004723][ T4555] ? lockdep_softirqs_off+0x420/0x420
[ 214.010134][ T4555] ? kobject_add+0x210/0x210
[ 214.014752][ T4555] ? __init_swait_queue_head+0xa5/0x150
[ 214.020333][ T4555] gfs2_sys_fs_add+0x234/0x480
[ 214.025131][ T4555] ? gfs2_recover_set+0x240/0x240
[ 214.030181][ T4555] ? snprintf+0xd7/0x120
[ 214.034449][ T4555] ? __free_pages+0x95/0x1a0
[ 214.039066][ T4555] ? vscnprintf+0x80/0x80
[ 214.043434][ T4555] gfs2_fill_super+0x128d/0x1f50
[ 214.048384][ T4555] ? gfs2_reconfigure+0xcd0/0xcd0
[ 214.053412][ T4555] ? preempt_count_add+0x8d/0x190
[ 214.058446][ T4555] ? sb_set_blocksize+0xa5/0xe0
[ 214.063298][ T4555] get_tree_bdev+0x3f1/0x610
[ 214.067888][ T4555] ? gfs2_reconfigure+0xcd0/0xcd0
[ 214.072911][ T4555] gfs2_get_tree+0x4d/0x1e0
[ 214.077417][ T4555] vfs_get_tree+0x88/0x270
[ 214.081836][ T4555] do_new_mount+0x24a/0xa40
[ 214.086343][ T4555] __se_sys_mount+0x2d6/0x3c0
[ 214.091023][ T4555] ? __x64_sys_mount+0xc0/0xc0
[ 214.095801][ T4555] ? lockdep_hardirqs_on+0x94/0x140
[ 214.101007][ T4555] ? __x64_sys_mount+0x1c/0xc0
[ 214.105773][ T4555] do_syscall_64+0x4c/0xa0
[ 214.110189][ T4555] ? clear_bhb_loop+0x30/0x80
[ 214.114865][ T4555] ? clear_bhb_loop+0x30/0x80
[ 214.119569][ T4555] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 214.125552][ T4555] RIP: 0033:0x7f016223b38a
[ 214.129971][ T4555] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 214.149681][ T4555] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 214.158094][ T4555] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 214.166065][ T4555] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 214.174035][ T4555] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 214.182103][ T4555] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 214.190075][ T4555] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 214.198071][ T4555]
[ 214.201863][ T4555] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 214.215122][ T4555] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 214.608901][ T4556] loop1: detected capacity change from 0 to 32768
[ 214.698857][ T4556] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 214.708708][ T4556] CPU: 1 PID: 4556 Comm: syz.1.183 Not tainted 5.15.189-syzkaller #0
[ 214.716815][ T4556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 214.726893][ T4556] Call Trace:
[ 214.730204][ T4556]
[ 214.733155][ T4556] dump_stack_lvl+0x168/0x230
[ 214.737863][ T4556] ? show_regs_print_info+0x20/0x20
[ 214.743345][ T4556] ? load_image+0x3b0/0x3b0
[ 214.747911][ T4556] sysfs_create_dir_ns+0x252/0x280
[ 214.753077][ T4556] ? __lock_acquire+0x7c60/0x7c60
[ 214.758151][ T4556] ? sysfs_warn_dup+0xa0/0xa0
[ 214.762860][ T4556] ? do_raw_spin_unlock+0x11d/0x230
[ 214.768088][ T4556] kobject_add_internal+0x662/0xd00
[ 214.773313][ T4556] kobject_init_and_add+0x122/0x190
[ 214.778529][ T4556] ? lockdep_softirqs_off+0x420/0x420
[ 214.783906][ T4556] ? kobject_add+0x210/0x210
[ 214.788521][ T4556] ? __init_swait_queue_head+0xa5/0x150
[ 214.794092][ T4556] gfs2_sys_fs_add+0x234/0x480
[ 214.798867][ T4556] ? gfs2_recover_set+0x240/0x240
[ 214.804002][ T4556] ? snprintf+0xd7/0x120
[ 214.808262][ T4556] ? __free_pages+0x95/0x1a0
[ 214.812898][ T4556] ? vscnprintf+0x80/0x80
[ 214.817266][ T4556] gfs2_fill_super+0x128d/0x1f50
[ 214.822304][ T4556] ? gfs2_reconfigure+0xcd0/0xcd0
[ 214.827333][ T4556] ? preempt_count_add+0x8d/0x190
[ 214.832452][ T4556] ? sb_set_blocksize+0xa5/0xe0
[ 214.837312][ T4556] get_tree_bdev+0x3f1/0x610
[ 214.841931][ T4556] ? gfs2_reconfigure+0xcd0/0xcd0
[ 214.846956][ T4556] gfs2_get_tree+0x4d/0x1e0
[ 214.851464][ T4556] vfs_get_tree+0x88/0x270
[ 214.855899][ T4556] do_new_mount+0x24a/0xa40
[ 214.860417][ T4556] __se_sys_mount+0x2d6/0x3c0
[ 214.865094][ T4556] ? __x64_sys_mount+0xc0/0xc0
[ 214.869856][ T4556] ? lockdep_hardirqs_on+0x94/0x140
[ 214.875069][ T4556] ? __x64_sys_mount+0x1c/0xc0
[ 214.880037][ T4556] do_syscall_64+0x4c/0xa0
[ 214.884454][ T4556] ? clear_bhb_loop+0x30/0x80
[ 214.889244][ T4556] ? clear_bhb_loop+0x30/0x80
[ 214.893933][ T4556] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 214.899831][ T4556] RIP: 0033:0x7f016223b38a
[ 214.904256][ T4556] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 214.923866][ T4556] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 214.932285][ T4556] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 214.940261][ T4556] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 214.948234][ T4556] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 214.956215][ T4556] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 214.964189][ T4556] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 214.972178][ T4556]
[ 214.977134][ T4556] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 214.990424][ T4556] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 215.393211][ T4557] loop1: detected capacity change from 0 to 32768
[ 215.444485][ T4557] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 215.454274][ T4557] CPU: 1 PID: 4557 Comm: syz.1.184 Not tainted 5.15.189-syzkaller #0
[ 215.462387][ T4557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 215.472473][ T4557] Call Trace:
[ 215.475777][ T4557]
[ 215.478732][ T4557] dump_stack_lvl+0x168/0x230
[ 215.483536][ T4557] ? show_regs_print_info+0x20/0x20
[ 215.488769][ T4557] ? load_image+0x3b0/0x3b0
[ 215.493313][ T4557] sysfs_create_dir_ns+0x252/0x280
[ 215.498454][ T4557] ? __lock_acquire+0x7c60/0x7c60
[ 215.503509][ T4557] ? sysfs_warn_dup+0xa0/0xa0
[ 215.508221][ T4557] ? do_raw_spin_unlock+0x11d/0x230
[ 215.513541][ T4557] kobject_add_internal+0x662/0xd00
[ 215.518772][ T4557] kobject_init_and_add+0x122/0x190
[ 215.523993][ T4557] ? lockdep_softirqs_off+0x420/0x420
[ 215.529390][ T4557] ? kobject_add+0x210/0x210
[ 215.534021][ T4557] ? __init_swait_queue_head+0xa5/0x150
[ 215.539592][ T4557] gfs2_sys_fs_add+0x234/0x480
[ 215.544388][ T4557] ? gfs2_recover_set+0x240/0x240
[ 215.549438][ T4557] ? snprintf+0xd7/0x120
[ 215.553706][ T4557] ? __free_pages+0x95/0x1a0
[ 215.558327][ T4557] ? vscnprintf+0x80/0x80
[ 215.562694][ T4557] gfs2_fill_super+0x128d/0x1f50
[ 215.567677][ T4557] ? gfs2_reconfigure+0xcd0/0xcd0
[ 215.572960][ T4557] ? preempt_count_add+0x8d/0x190
[ 215.578044][ T4557] ? sb_set_blocksize+0xa5/0xe0
[ 215.582904][ T4557] get_tree_bdev+0x3f1/0x610
[ 215.587620][ T4557] ? gfs2_reconfigure+0xcd0/0xcd0
[ 215.592662][ T4557] gfs2_get_tree+0x4d/0x1e0
[ 215.597194][ T4557] vfs_get_tree+0x88/0x270
[ 215.601615][ T4557] do_new_mount+0x24a/0xa40
[ 215.606325][ T4557] __se_sys_mount+0x2d6/0x3c0
[ 215.611114][ T4557] ? __x64_sys_mount+0xc0/0xc0
[ 215.615902][ T4557] ? lockdep_hardirqs_on+0x94/0x140
[ 215.621107][ T4557] ? __x64_sys_mount+0x1c/0xc0
[ 215.625873][ T4557] do_syscall_64+0x4c/0xa0
[ 215.630320][ T4557] ? clear_bhb_loop+0x30/0x80
[ 215.635164][ T4557] ? clear_bhb_loop+0x30/0x80
[ 215.639853][ T4557] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 215.645767][ T4557] RIP: 0033:0x7f016223b38a
[ 215.650185][ T4557] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 215.669899][ T4557] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 215.678334][ T4557] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 215.686304][ T4557] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 215.694278][ T4557] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 215.702248][ T4557] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 215.710241][ T4557] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 215.718239][ T4557]
[ 215.721982][ T4557] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 215.735572][ T4557] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 216.110772][ T4558] loop1: detected capacity change from 0 to 32768
[ 216.157268][ T4558] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 216.170244][ T4558] CPU: 0 PID: 4558 Comm: syz.1.185 Not tainted 5.15.189-syzkaller #0
[ 216.178362][ T4558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 216.188495][ T4558] Call Trace:
[ 216.191804][ T4558]
[ 216.194760][ T4558] dump_stack_lvl+0x168/0x230
[ 216.199476][ T4558] ? show_regs_print_info+0x20/0x20
[ 216.204701][ T4558] ? load_image+0x3b0/0x3b0
[ 216.209336][ T4558] sysfs_create_dir_ns+0x252/0x280
[ 216.214472][ T4558] ? __lock_acquire+0x7c60/0x7c60
[ 216.219527][ T4558] ? sysfs_warn_dup+0xa0/0xa0
[ 216.224305][ T4558] ? do_raw_spin_unlock+0x11d/0x230
[ 216.229579][ T4558] kobject_add_internal+0x662/0xd00
[ 216.234820][ T4558] kobject_init_and_add+0x122/0x190
[ 216.240088][ T4558] ? lockdep_softirqs_off+0x420/0x420
[ 216.245492][ T4558] ? kobject_add+0x210/0x210
[ 216.250122][ T4558] ? __init_swait_queue_head+0xa5/0x150
[ 216.255702][ T4558] gfs2_sys_fs_add+0x234/0x480
[ 216.260496][ T4558] ? gfs2_recover_set+0x240/0x240
[ 216.265683][ T4558] ? snprintf+0xd7/0x120
[ 216.270058][ T4558] ? __free_pages+0x95/0x1a0
[ 216.274667][ T4558] ? vscnprintf+0x80/0x80
[ 216.279006][ T4558] gfs2_fill_super+0x128d/0x1f50
[ 216.284065][ T4558] ? gfs2_reconfigure+0xcd0/0xcd0
[ 216.289094][ T4558] ? preempt_count_add+0x8d/0x190
[ 216.294135][ T4558] ? sb_set_blocksize+0xa5/0xe0
[ 216.299006][ T4558] get_tree_bdev+0x3f1/0x610
[ 216.303608][ T4558] ? gfs2_reconfigure+0xcd0/0xcd0
[ 216.308630][ T4558] gfs2_get_tree+0x4d/0x1e0
[ 216.313140][ T4558] vfs_get_tree+0x88/0x270
[ 216.317578][ T4558] do_new_mount+0x24a/0xa40
[ 216.322108][ T4558] __se_sys_mount+0x2d6/0x3c0
[ 216.326793][ T4558] ? __x64_sys_mount+0xc0/0xc0
[ 216.331593][ T4558] ? lockdep_hardirqs_on+0x94/0x140
[ 216.336804][ T4558] ? __x64_sys_mount+0x1c/0xc0
[ 216.341600][ T4558] do_syscall_64+0x4c/0xa0
[ 216.346018][ T4558] ? clear_bhb_loop+0x30/0x80
[ 216.350690][ T4558] ? clear_bhb_loop+0x30/0x80
[ 216.355365][ T4558] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 216.361262][ T4558] RIP: 0033:0x7f016223b38a
[ 216.365691][ T4558] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 216.385389][ T4558] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 216.393815][ T4558] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 216.401802][ T4558] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 216.409794][ T4558] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 216.417787][ T4558] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 216.425763][ T4558] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 216.433757][ T4558]
[ 216.439127][ T4558] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 216.452959][ T4558] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 216.771501][ T4250] Bluetooth: hci1: command 0x0406 tx timeout
[ 216.833870][ T4559] loop1: detected capacity change from 0 to 32768
[ 216.879971][ T4559] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 216.887658][ T4559] CPU: 1 PID: 4559 Comm: syz.1.186 Not tainted 5.15.189-syzkaller #0
[ 216.895752][ T4559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 216.905832][ T4559] Call Trace:
[ 216.909139][ T4559]
[ 216.912116][ T4559] dump_stack_lvl+0x168/0x230
[ 216.916826][ T4559] ? show_regs_print_info+0x20/0x20
[ 216.922143][ T4559] ? load_image+0x3b0/0x3b0
[ 216.926684][ T4559] sysfs_create_dir_ns+0x252/0x280
[ 216.931824][ T4559] ? __lock_acquire+0x7c60/0x7c60
[ 216.936881][ T4559] ? sysfs_warn_dup+0xa0/0xa0
[ 216.941595][ T4559] ? do_raw_spin_unlock+0x11d/0x230
[ 216.946819][ T4559] kobject_add_internal+0x662/0xd00
[ 216.952045][ T4559] kobject_init_and_add+0x122/0x190
[ 216.957273][ T4559] ? lockdep_softirqs_off+0x420/0x420
[ 216.962686][ T4559] ? kobject_add+0x210/0x210
[ 216.967304][ T4559] ? __init_swait_queue_head+0xa5/0x150
[ 216.972879][ T4559] gfs2_sys_fs_add+0x234/0x480
[ 216.977669][ T4559] ? gfs2_recover_set+0x240/0x240
[ 216.982719][ T4559] ? snprintf+0xd7/0x120
[ 216.987004][ T4559] ? __free_pages+0x95/0x1a0
[ 216.991617][ T4559] ? vscnprintf+0x80/0x80
[ 216.995972][ T4559] gfs2_fill_super+0x128d/0x1f50
[ 217.000933][ T4559] ? gfs2_reconfigure+0xcd0/0xcd0
[ 217.005961][ T4559] ? preempt_count_add+0x8d/0x190
[ 217.011004][ T4559] ? sb_set_blocksize+0xa5/0xe0
[ 217.015870][ T4559] get_tree_bdev+0x3f1/0x610
[ 217.020475][ T4559] ? gfs2_reconfigure+0xcd0/0xcd0
[ 217.025509][ T4559] gfs2_get_tree+0x4d/0x1e0
[ 217.030013][ T4559] vfs_get_tree+0x88/0x270
[ 217.034428][ T4559] do_new_mount+0x24a/0xa40
[ 217.038934][ T4559] __se_sys_mount+0x2d6/0x3c0
[ 217.043618][ T4559] ? __x64_sys_mount+0xc0/0xc0
[ 217.048401][ T4559] ? lockdep_hardirqs_on+0x94/0x140
[ 217.053593][ T4559] ? __x64_sys_mount+0x1c/0xc0
[ 217.058353][ T4559] do_syscall_64+0x4c/0xa0
[ 217.062771][ T4559] ? clear_bhb_loop+0x30/0x80
[ 217.067462][ T4559] ? clear_bhb_loop+0x30/0x80
[ 217.072147][ T4559] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 217.078042][ T4559] RIP: 0033:0x7f016223b38a
[ 217.082452][ T4559] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 217.102104][ T4559] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 217.110523][ T4559] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 217.118669][ T4559] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 217.126661][ T4559] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 217.134634][ T4559] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 217.142611][ T4559] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 217.150606][ T4559]
[ 217.154094][ T4559] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 217.167334][ T4559] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 11:54:05 executed programs: 172
[ 217.567114][ T4560] loop1: detected capacity change from 0 to 32768
[ 217.617722][ T4560] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 217.625337][ T4560] CPU: 0 PID: 4560 Comm: syz.1.187 Not tainted 5.15.189-syzkaller #0
[ 217.633515][ T4560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 217.643620][ T4560] Call Trace:
[ 217.647028][ T4560]
[ 217.649990][ T4560] dump_stack_lvl+0x168/0x230
[ 217.654703][ T4560] ? show_regs_print_info+0x20/0x20
[ 217.659945][ T4560] ? load_image+0x3b0/0x3b0
[ 217.664502][ T4560] sysfs_create_dir_ns+0x252/0x280
[ 217.669644][ T4560] ? __lock_acquire+0x7c60/0x7c60
[ 217.674691][ T4560] ? sysfs_warn_dup+0xa0/0xa0
[ 217.679395][ T4560] ? do_raw_spin_unlock+0x11d/0x230
[ 217.684643][ T4560] kobject_add_internal+0x662/0xd00
[ 217.689880][ T4560] kobject_init_and_add+0x122/0x190
[ 217.695113][ T4560] ? lockdep_softirqs_off+0x420/0x420
[ 217.700519][ T4560] ? kobject_add+0x210/0x210
[ 217.705137][ T4560] ? __init_swait_queue_head+0xa5/0x150
[ 217.710717][ T4560] gfs2_sys_fs_add+0x234/0x480
[ 217.715502][ T4560] ? gfs2_recover_set+0x240/0x240
[ 217.720555][ T4560] ? snprintf+0xd7/0x120
[ 217.724842][ T4560] ? __free_pages+0x95/0x1a0
[ 217.729455][ T4560] ? vscnprintf+0x80/0x80
[ 217.733823][ T4560] gfs2_fill_super+0x128d/0x1f50
[ 217.738795][ T4560] ? gfs2_reconfigure+0xcd0/0xcd0
[ 217.743951][ T4560] ? preempt_count_add+0x8d/0x190
[ 217.749163][ T4560] ? sb_set_blocksize+0xa5/0xe0
[ 217.754019][ T4560] get_tree_bdev+0x3f1/0x610
[ 217.758620][ T4560] ? gfs2_reconfigure+0xcd0/0xcd0
[ 217.763775][ T4560] gfs2_get_tree+0x4d/0x1e0
[ 217.768383][ T4560] vfs_get_tree+0x88/0x270
[ 217.772816][ T4560] do_new_mount+0x24a/0xa40
[ 217.777427][ T4560] __se_sys_mount+0x2d6/0x3c0
[ 217.782196][ T4560] ? __x64_sys_mount+0xc0/0xc0
[ 217.786979][ T4560] ? lockdep_hardirqs_on+0x94/0x140
[ 217.792182][ T4560] ? __x64_sys_mount+0x1c/0xc0
[ 217.796968][ T4560] do_syscall_64+0x4c/0xa0
[ 217.801389][ T4560] ? clear_bhb_loop+0x30/0x80
[ 217.806101][ T4560] ? clear_bhb_loop+0x30/0x80
[ 217.810793][ T4560] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 217.816849][ T4560] RIP: 0033:0x7f016223b38a
[ 217.821390][ T4560] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 217.841111][ T4560] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 217.849541][ T4560] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 217.857521][ T4560] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 217.865493][ T4560] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 217.873468][ T4560] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 217.881446][ T4560] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 217.889454][ T4560]
[ 217.901380][ T4560] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 217.914663][ T4560] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 218.280072][ T4561] loop1: detected capacity change from 0 to 32768
[ 218.332226][ T4561] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 218.339661][ T4561] CPU: 1 PID: 4561 Comm: syz.1.188 Not tainted 5.15.189-syzkaller #0
[ 218.347748][ T4561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 218.357822][ T4561] Call Trace:
[ 218.361128][ T4561]
[ 218.364082][ T4561] dump_stack_lvl+0x168/0x230
[ 218.368792][ T4561] ? show_regs_print_info+0x20/0x20
[ 218.374017][ T4561] ? load_image+0x3b0/0x3b0
[ 218.378558][ T4561] sysfs_create_dir_ns+0x252/0x280
[ 218.383692][ T4561] ? __lock_acquire+0x7c60/0x7c60
[ 218.388750][ T4561] ? sysfs_warn_dup+0xa0/0xa0
[ 218.393455][ T4561] ? do_raw_spin_unlock+0x11d/0x230
[ 218.398683][ T4561] kobject_add_internal+0x662/0xd00
[ 218.404009][ T4561] kobject_init_and_add+0x122/0x190
[ 218.409242][ T4561] ? lockdep_softirqs_off+0x420/0x420
[ 218.414648][ T4561] ? kobject_add+0x210/0x210
[ 218.419263][ T4561] ? __init_swait_queue_head+0xa5/0x150
[ 218.424840][ T4561] gfs2_sys_fs_add+0x234/0x480
[ 218.429640][ T4561] ? gfs2_recover_set+0x240/0x240
[ 218.434685][ T4561] ? snprintf+0xd7/0x120
[ 218.438955][ T4561] ? __free_pages+0x95/0x1a0
[ 218.443574][ T4561] ? vscnprintf+0x80/0x80
[ 218.447945][ T4561] gfs2_fill_super+0x128d/0x1f50
[ 218.452923][ T4561] ? gfs2_reconfigure+0xcd0/0xcd0
[ 218.457972][ T4561] ? preempt_count_add+0x8d/0x190
[ 218.463120][ T4561] ? sb_set_blocksize+0xa5/0xe0
[ 218.467976][ T4561] get_tree_bdev+0x3f1/0x610
[ 218.472791][ T4561] ? gfs2_reconfigure+0xcd0/0xcd0
[ 218.477830][ T4561] gfs2_get_tree+0x4d/0x1e0
[ 218.482336][ T4561] vfs_get_tree+0x88/0x270
[ 218.486770][ T4561] do_new_mount+0x24a/0xa40
[ 218.491302][ T4561] __se_sys_mount+0x2d6/0x3c0
[ 218.496007][ T4561] ? __x64_sys_mount+0xc0/0xc0
[ 218.500793][ T4561] ? lockdep_hardirqs_on+0x94/0x140
[ 218.505990][ T4561] ? __x64_sys_mount+0x1c/0xc0
[ 218.510845][ T4561] do_syscall_64+0x4c/0xa0
[ 218.515263][ T4561] ? clear_bhb_loop+0x30/0x80
[ 218.519956][ T4561] ? clear_bhb_loop+0x30/0x80
[ 218.524635][ T4561] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 218.530530][ T4561] RIP: 0033:0x7f016223b38a
[ 218.534941][ T4561] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 218.554748][ T4561] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 218.563165][ T4561] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 218.571225][ T4561] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 218.579207][ T4561] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 218.587195][ T4561] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 218.595262][ T4561] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 218.603265][ T4561]
[ 218.606568][ T4561] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 218.619742][ T4561] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 218.984656][ T4562] loop1: detected capacity change from 0 to 32768
[ 219.082117][ T4562] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 219.089703][ T4562] CPU: 1 PID: 4562 Comm: syz.1.189 Not tainted 5.15.189-syzkaller #0
[ 219.097810][ T4562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 219.107891][ T4562] Call Trace:
[ 219.111200][ T4562]
[ 219.114240][ T4562] dump_stack_lvl+0x168/0x230
[ 219.118958][ T4562] ? show_regs_print_info+0x20/0x20
[ 219.124189][ T4562] ? load_image+0x3b0/0x3b0
[ 219.128752][ T4562] sysfs_create_dir_ns+0x252/0x280
[ 219.133903][ T4562] ? __lock_acquire+0x7c60/0x7c60
[ 219.138957][ T4562] ? sysfs_warn_dup+0xa0/0xa0
[ 219.143666][ T4562] ? do_raw_spin_unlock+0x11d/0x230
[ 219.148894][ T4562] kobject_add_internal+0x662/0xd00
[ 219.154125][ T4562] kobject_init_and_add+0x122/0x190
[ 219.159526][ T4562] ? lockdep_softirqs_off+0x420/0x420
[ 219.164936][ T4562] ? kobject_add+0x210/0x210
[ 219.169570][ T4562] ? __init_swait_queue_head+0xa5/0x150
[ 219.175149][ T4562] gfs2_sys_fs_add+0x234/0x480
[ 219.179942][ T4562] ? gfs2_recover_set+0x240/0x240
[ 219.184989][ T4562] ? snprintf+0xd7/0x120
[ 219.189238][ T4562] ? __free_pages+0x95/0x1a0
[ 219.193836][ T4562] ? vscnprintf+0x80/0x80
[ 219.198178][ T4562] gfs2_fill_super+0x128d/0x1f50
[ 219.203149][ T4562] ? gfs2_reconfigure+0xcd0/0xcd0
[ 219.208178][ T4562] ? preempt_count_add+0x8d/0x190
[ 219.213207][ T4562] ? sb_set_blocksize+0xa5/0xe0
[ 219.218078][ T4562] get_tree_bdev+0x3f1/0x610
[ 219.222801][ T4562] ? gfs2_reconfigure+0xcd0/0xcd0
[ 219.227846][ T4562] gfs2_get_tree+0x4d/0x1e0
[ 219.232350][ T4562] vfs_get_tree+0x88/0x270
[ 219.236767][ T4562] do_new_mount+0x24a/0xa40
[ 219.241281][ T4562] __se_sys_mount+0x2d6/0x3c0
[ 219.245977][ T4562] ? __x64_sys_mount+0xc0/0xc0
[ 219.250740][ T4562] ? lockdep_hardirqs_on+0x94/0x140
[ 219.256022][ T4562] ? __x64_sys_mount+0x1c/0xc0
[ 219.260789][ T4562] do_syscall_64+0x4c/0xa0
[ 219.265237][ T4562] ? clear_bhb_loop+0x30/0x80
[ 219.269935][ T4562] ? clear_bhb_loop+0x30/0x80
[ 219.274628][ T4562] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 219.280637][ T4562] RIP: 0033:0x7f016223b38a
[ 219.285049][ T4562] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 219.304661][ T4562] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 219.313086][ T4562] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 219.321058][ T4562] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 219.329032][ T4562] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 219.337003][ T4562] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 219.344972][ T4562] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 219.352953][ T4562]
[ 219.356280][ T4562] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 219.369556][ T4562] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 219.756119][ T4563] loop1: detected capacity change from 0 to 32768
[ 219.815965][ T4563] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 219.824739][ T4563] CPU: 1 PID: 4563 Comm: syz.1.190 Not tainted 5.15.189-syzkaller #0
[ 219.832835][ T4563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 219.842916][ T4563] Call Trace:
[ 219.846211][ T4563]
[ 219.849161][ T4563] dump_stack_lvl+0x168/0x230
[ 219.853868][ T4563] ? show_regs_print_info+0x20/0x20
[ 219.859099][ T4563] ? load_image+0x3b0/0x3b0
[ 219.863635][ T4563] sysfs_create_dir_ns+0x252/0x280
[ 219.868776][ T4563] ? __lock_acquire+0x7c60/0x7c60
[ 219.873843][ T4563] ? sysfs_warn_dup+0xa0/0xa0
[ 219.878554][ T4563] ? do_raw_spin_unlock+0x11d/0x230
[ 219.883779][ T4563] kobject_add_internal+0x662/0xd00
[ 219.889048][ T4563] kobject_init_and_add+0x122/0x190
[ 219.894274][ T4563] ? lockdep_softirqs_off+0x420/0x420
[ 219.899680][ T4563] ? kobject_add+0x210/0x210
[ 219.904488][ T4563] ? __init_swait_queue_head+0xa5/0x150
[ 219.910065][ T4563] gfs2_sys_fs_add+0x234/0x480
[ 219.914851][ T4563] ? gfs2_recover_set+0x240/0x240
[ 219.919896][ T4563] ? snprintf+0xd7/0x120
[ 219.924205][ T4563] ? __free_pages+0x95/0x1a0
[ 219.928845][ T4563] ? vscnprintf+0x80/0x80
[ 219.933209][ T4563] gfs2_fill_super+0x128d/0x1f50
[ 219.938162][ T4563] ? gfs2_reconfigure+0xcd0/0xcd0
[ 219.943243][ T4563] ? preempt_count_add+0x8d/0x190
[ 219.948280][ T4563] ? sb_set_blocksize+0xa5/0xe0
[ 219.953234][ T4563] get_tree_bdev+0x3f1/0x610
[ 219.957830][ T4563] ? gfs2_reconfigure+0xcd0/0xcd0
[ 219.962852][ T4563] gfs2_get_tree+0x4d/0x1e0
[ 219.967468][ T4563] vfs_get_tree+0x88/0x270
[ 219.971982][ T4563] do_new_mount+0x24a/0xa40
[ 219.976511][ T4563] __se_sys_mount+0x2d6/0x3c0
[ 219.981229][ T4563] ? __x64_sys_mount+0xc0/0xc0
[ 219.986002][ T4563] ? lockdep_hardirqs_on+0x94/0x140
[ 219.991293][ T4563] ? __x64_sys_mount+0x1c/0xc0
[ 219.996098][ T4563] do_syscall_64+0x4c/0xa0
[ 220.000729][ T4563] ? clear_bhb_loop+0x30/0x80
[ 220.005407][ T4563] ? clear_bhb_loop+0x30/0x80
[ 220.010086][ T4563] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 220.016005][ T4563] RIP: 0033:0x7f016223b38a
[ 220.020444][ T4563] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 220.040166][ T4563] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 220.048612][ T4563] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 220.056587][ T4563] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 220.064567][ T4563] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 220.072547][ T4563] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 220.080624][ T4563] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 220.088625][ T4563]
[ 220.092396][ T4563] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 220.105843][ T4563] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 220.508615][ T4564] loop1: detected capacity change from 0 to 32768
[ 220.561590][ T4564] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 220.569202][ T4564] CPU: 0 PID: 4564 Comm: syz.1.191 Not tainted 5.15.189-syzkaller #0
[ 220.577304][ T4564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 220.587388][ T4564] Call Trace:
[ 220.590692][ T4564]
[ 220.593639][ T4564] dump_stack_lvl+0x168/0x230
[ 220.598436][ T4564] ? show_regs_print_info+0x20/0x20
[ 220.603655][ T4564] ? load_image+0x3b0/0x3b0
[ 220.608228][ T4564] sysfs_create_dir_ns+0x252/0x280
[ 220.613374][ T4564] ? __lock_acquire+0x7c60/0x7c60
[ 220.618429][ T4564] ? sysfs_warn_dup+0xa0/0xa0
[ 220.623132][ T4564] ? do_raw_spin_unlock+0x11d/0x230
[ 220.628367][ T4564] kobject_add_internal+0x662/0xd00
[ 220.633593][ T4564] kobject_init_and_add+0x122/0x190
[ 220.638812][ T4564] ? lockdep_softirqs_off+0x420/0x420
[ 220.644215][ T4564] ? kobject_add+0x210/0x210
[ 220.648830][ T4564] ? __init_swait_queue_head+0xa5/0x150
[ 220.654408][ T4564] gfs2_sys_fs_add+0x234/0x480
[ 220.659212][ T4564] ? gfs2_recover_set+0x240/0x240
[ 220.664245][ T4564] ? snprintf+0xd7/0x120
[ 220.668493][ T4564] ? __free_pages+0x95/0x1a0
[ 220.673119][ T4564] ? vscnprintf+0x80/0x80
[ 220.677479][ T4564] gfs2_fill_super+0x128d/0x1f50
[ 220.682430][ T4564] ? gfs2_reconfigure+0xcd0/0xcd0
[ 220.687458][ T4564] ? preempt_count_add+0x8d/0x190
[ 220.692516][ T4564] ? sb_set_blocksize+0xa5/0xe0
[ 220.697372][ T4564] get_tree_bdev+0x3f1/0x610
[ 220.701963][ T4564] ? gfs2_reconfigure+0xcd0/0xcd0
[ 220.706990][ T4564] gfs2_get_tree+0x4d/0x1e0
[ 220.711496][ T4564] vfs_get_tree+0x88/0x270
[ 220.715909][ T4564] do_new_mount+0x24a/0xa40
[ 220.720414][ T4564] __se_sys_mount+0x2d6/0x3c0
[ 220.725097][ T4564] ? __x64_sys_mount+0xc0/0xc0
[ 220.729877][ T4564] ? lockdep_hardirqs_on+0x94/0x140
[ 220.735069][ T4564] ? __x64_sys_mount+0x1c/0xc0
[ 220.739843][ T4564] do_syscall_64+0x4c/0xa0
[ 220.744259][ T4564] ? clear_bhb_loop+0x30/0x80
[ 220.748944][ T4564] ? clear_bhb_loop+0x30/0x80
[ 220.753618][ T4564] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 220.759515][ T4564] RIP: 0033:0x7f016223b38a
[ 220.763939][ T4564] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 220.783550][ T4564] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 220.791969][ T4564] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 220.799947][ T4564] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 220.808114][ T4564] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 220.816114][ T4564] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 220.824242][ T4564] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 220.832228][ T4564]
[ 220.837645][ T4564] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 220.851462][ T4564] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 221.236837][ T4565] loop1: detected capacity change from 0 to 32768
[ 221.297242][ T4565] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 221.304778][ T4565] CPU: 0 PID: 4565 Comm: syz.1.192 Not tainted 5.15.189-syzkaller #0
[ 221.312870][ T4565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 221.322949][ T4565] Call Trace:
[ 221.326287][ T4565]
[ 221.329246][ T4565] dump_stack_lvl+0x168/0x230
[ 221.333959][ T4565] ? show_regs_print_info+0x20/0x20
[ 221.339394][ T4565] ? load_image+0x3b0/0x3b0
[ 221.343934][ T4565] sysfs_create_dir_ns+0x252/0x280
[ 221.349075][ T4565] ? __lock_acquire+0x7c60/0x7c60
[ 221.354141][ T4565] ? sysfs_warn_dup+0xa0/0xa0
[ 221.358863][ T4565] ? do_raw_spin_unlock+0x11d/0x230
[ 221.364117][ T4565] kobject_add_internal+0x662/0xd00
[ 221.369364][ T4565] kobject_init_and_add+0x122/0x190
[ 221.374582][ T4565] ? lockdep_softirqs_off+0x420/0x420
[ 221.379986][ T4565] ? kobject_add+0x210/0x210
[ 221.384617][ T4565] ? __init_swait_queue_head+0xa5/0x150
[ 221.390192][ T4565] gfs2_sys_fs_add+0x234/0x480
[ 221.394985][ T4565] ? gfs2_recover_set+0x240/0x240
[ 221.400061][ T4565] ? snprintf+0xd7/0x120
[ 221.404330][ T4565] ? __free_pages+0x95/0x1a0
[ 221.408926][ T4565] ? vscnprintf+0x80/0x80
[ 221.413271][ T4565] gfs2_fill_super+0x128d/0x1f50
[ 221.418227][ T4565] ? gfs2_reconfigure+0xcd0/0xcd0
[ 221.423249][ T4565] ? preempt_count_add+0x8d/0x190
[ 221.428281][ T4565] ? sb_set_blocksize+0xa5/0xe0
[ 221.433224][ T4565] get_tree_bdev+0x3f1/0x610
[ 221.437831][ T4565] ? gfs2_reconfigure+0xcd0/0xcd0
[ 221.442858][ T4565] gfs2_get_tree+0x4d/0x1e0
[ 221.447389][ T4565] vfs_get_tree+0x88/0x270
[ 221.451804][ T4565] do_new_mount+0x24a/0xa40
[ 221.456419][ T4565] __se_sys_mount+0x2d6/0x3c0
[ 221.461098][ T4565] ? __x64_sys_mount+0xc0/0xc0
[ 221.465862][ T4565] ? lockdep_hardirqs_on+0x94/0x140
[ 221.471070][ T4565] ? __x64_sys_mount+0x1c/0xc0
[ 221.475832][ T4565] do_syscall_64+0x4c/0xa0
[ 221.480243][ T4565] ? clear_bhb_loop+0x30/0x80
[ 221.484911][ T4565] ? clear_bhb_loop+0x30/0x80
[ 221.489581][ T4565] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 221.495473][ T4565] RIP: 0033:0x7f016223b38a
[ 221.499892][ T4565] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 221.519586][ T4565] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 221.528019][ T4565] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 221.535987][ T4565] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 221.543959][ T4565] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 221.551929][ T4565] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 221.559900][ T4565] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 221.567891][ T4565]
[ 221.573306][ T4565] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 221.586563][ T4565] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 221.961754][ T4566] loop1: detected capacity change from 0 to 32768
[ 222.015824][ T4566] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 222.023428][ T4566] CPU: 0 PID: 4566 Comm: syz.1.193 Not tainted 5.15.189-syzkaller #0
[ 222.031535][ T4566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 222.041622][ T4566] Call Trace:
[ 222.044934][ T4566]
[ 222.047880][ T4566] dump_stack_lvl+0x168/0x230
[ 222.052584][ T4566] ? show_regs_print_info+0x20/0x20
[ 222.057800][ T4566] ? load_image+0x3b0/0x3b0
[ 222.062330][ T4566] sysfs_create_dir_ns+0x252/0x280
[ 222.067472][ T4566] ? __lock_acquire+0x7c60/0x7c60
[ 222.072822][ T4566] ? sysfs_warn_dup+0xa0/0xa0
[ 222.077634][ T4566] ? do_raw_spin_unlock+0x11d/0x230
[ 222.082864][ T4566] kobject_add_internal+0x662/0xd00
[ 222.088104][ T4566] kobject_init_and_add+0x122/0x190
[ 222.093330][ T4566] ? lockdep_softirqs_off+0x420/0x420
[ 222.098737][ T4566] ? kobject_add+0x210/0x210
[ 222.103354][ T4566] ? __init_swait_queue_head+0xa5/0x150
[ 222.108962][ T4566] gfs2_sys_fs_add+0x234/0x480
[ 222.114092][ T4566] ? gfs2_recover_set+0x240/0x240
[ 222.119119][ T4566] ? snprintf+0xd7/0x120
[ 222.123358][ T4566] ? __free_pages+0x95/0x1a0
[ 222.127964][ T4566] ? vscnprintf+0x80/0x80
[ 222.132330][ T4566] gfs2_fill_super+0x128d/0x1f50
[ 222.137307][ T4566] ? gfs2_reconfigure+0xcd0/0xcd0
[ 222.142334][ T4566] ? preempt_count_add+0x8d/0x190
[ 222.147367][ T4566] ? sb_set_blocksize+0xa5/0xe0
[ 222.152422][ T4566] get_tree_bdev+0x3f1/0x610
[ 222.157011][ T4566] ? gfs2_reconfigure+0xcd0/0xcd0
[ 222.162127][ T4566] gfs2_get_tree+0x4d/0x1e0
[ 222.166648][ T4566] vfs_get_tree+0x88/0x270
[ 222.171174][ T4566] do_new_mount+0x24a/0xa40
[ 222.175777][ T4566] __se_sys_mount+0x2d6/0x3c0
[ 222.180592][ T4566] ? __x64_sys_mount+0xc0/0xc0
[ 222.185356][ T4566] ? lockdep_hardirqs_on+0x94/0x140
[ 222.190555][ T4566] ? __x64_sys_mount+0x1c/0xc0
[ 222.195318][ T4566] do_syscall_64+0x4c/0xa0
[ 222.199733][ T4566] ? clear_bhb_loop+0x30/0x80
[ 222.204409][ T4566] ? clear_bhb_loop+0x30/0x80
[ 222.209083][ T4566] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 222.214978][ T4566] RIP: 0033:0x7f016223b38a
[ 222.219478][ T4566] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 222.239233][ T4566] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 222.247670][ T4566] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 222.255640][ T4566] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 222.263610][ T4566] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 222.271585][ T4566] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 222.279554][ T4566] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 222.287629][ T4566]
[ 222.297307][ T4566] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 222.310625][ T4566] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 11:54:10 executed programs: 179
[ 222.706166][ T4567] loop1: detected capacity change from 0 to 32768
[ 222.775136][ T4567] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 222.782661][ T4567] CPU: 0 PID: 4567 Comm: syz.1.194 Not tainted 5.15.189-syzkaller #0
[ 222.790754][ T4567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 222.800833][ T4567] Call Trace:
[ 222.804311][ T4567]
[ 222.807274][ T4567] dump_stack_lvl+0x168/0x230
[ 222.811984][ T4567] ? show_regs_print_info+0x20/0x20
[ 222.817216][ T4567] ? load_image+0x3b0/0x3b0
[ 222.821772][ T4567] sysfs_create_dir_ns+0x252/0x280
[ 222.826923][ T4567] ? __lock_acquire+0x7c60/0x7c60
[ 222.832001][ T4567] ? sysfs_warn_dup+0xa0/0xa0
[ 222.836710][ T4567] ? do_raw_spin_unlock+0x11d/0x230
[ 222.842026][ T4567] kobject_add_internal+0x662/0xd00
[ 222.847350][ T4567] kobject_init_and_add+0x122/0x190
[ 222.852575][ T4567] ? lockdep_softirqs_off+0x420/0x420
[ 222.857980][ T4567] ? kobject_add+0x210/0x210
[ 222.862599][ T4567] ? __init_swait_queue_head+0xa5/0x150
[ 222.868174][ T4567] gfs2_sys_fs_add+0x234/0x480
[ 222.873080][ T4567] ? gfs2_recover_set+0x240/0x240
[ 222.878110][ T4567] ? snprintf+0xd7/0x120
[ 222.882353][ T4567] ? __free_pages+0x95/0x1a0
[ 222.886945][ T4567] ? vscnprintf+0x80/0x80
[ 222.891294][ T4567] gfs2_fill_super+0x128d/0x1f50
[ 222.896259][ T4567] ? gfs2_reconfigure+0xcd0/0xcd0
[ 222.901502][ T4567] ? preempt_count_add+0x8d/0x190
[ 222.906563][ T4567] ? sb_set_blocksize+0xa5/0xe0
[ 222.911435][ T4567] get_tree_bdev+0x3f1/0x610
[ 222.916163][ T4567] ? gfs2_reconfigure+0xcd0/0xcd0
[ 222.921197][ T4567] gfs2_get_tree+0x4d/0x1e0
[ 222.925720][ T4567] vfs_get_tree+0x88/0x270
[ 222.930146][ T4567] do_new_mount+0x24a/0xa40
[ 222.934666][ T4567] __se_sys_mount+0x2d6/0x3c0
[ 222.939360][ T4567] ? __x64_sys_mount+0xc0/0xc0
[ 222.944127][ T4567] ? lockdep_hardirqs_on+0x94/0x140
[ 222.949340][ T4567] ? __x64_sys_mount+0x1c/0xc0
[ 222.954145][ T4567] do_syscall_64+0x4c/0xa0
[ 222.958588][ T4567] ? clear_bhb_loop+0x30/0x80
[ 222.963266][ T4567] ? clear_bhb_loop+0x30/0x80
[ 222.968067][ T4567] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 222.973981][ T4567] RIP: 0033:0x7f016223b38a
[ 222.978398][ T4567] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 222.998043][ T4567] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 223.006464][ T4567] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 223.014442][ T4567] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 223.022479][ T4567] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 223.030531][ T4567] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 223.038523][ T4567] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 223.046514][ T4567]
[ 223.052215][ T4567] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 223.065419][ T4567] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 223.446364][ T4568] loop1: detected capacity change from 0 to 32768
[ 223.505661][ T4568] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 223.514057][ T4568] CPU: 0 PID: 4568 Comm: syz.1.195 Not tainted 5.15.189-syzkaller #0
[ 223.522168][ T4568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 223.532486][ T4568] Call Trace:
[ 223.535878][ T4568]
[ 223.538824][ T4568] dump_stack_lvl+0x168/0x230
[ 223.543535][ T4568] ? show_regs_print_info+0x20/0x20
[ 223.548757][ T4568] ? load_image+0x3b0/0x3b0
[ 223.553294][ T4568] sysfs_create_dir_ns+0x252/0x280
[ 223.558440][ T4568] ? __lock_acquire+0x7c60/0x7c60
[ 223.563501][ T4568] ? sysfs_warn_dup+0xa0/0xa0
[ 223.568211][ T4568] ? do_raw_spin_unlock+0x11d/0x230
[ 223.573474][ T4568] kobject_add_internal+0x662/0xd00
[ 223.578714][ T4568] kobject_init_and_add+0x122/0x190
[ 223.583935][ T4568] ? lockdep_softirqs_off+0x420/0x420
[ 223.589340][ T4568] ? kobject_add+0x210/0x210
[ 223.593961][ T4568] ? __init_swait_queue_head+0xa5/0x150
[ 223.599539][ T4568] gfs2_sys_fs_add+0x234/0x480
[ 223.604330][ T4568] ? gfs2_recover_set+0x240/0x240
[ 223.609357][ T4568] ? snprintf+0xd7/0x120
[ 223.613610][ T4568] ? __free_pages+0x95/0x1a0
[ 223.618202][ T4568] ? vscnprintf+0x80/0x80
[ 223.622542][ T4568] gfs2_fill_super+0x128d/0x1f50
[ 223.627491][ T4568] ? gfs2_reconfigure+0xcd0/0xcd0
[ 223.632518][ T4568] ? preempt_count_add+0x8d/0x190
[ 223.637561][ T4568] ? sb_set_blocksize+0xa5/0xe0
[ 223.642415][ T4568] get_tree_bdev+0x3f1/0x610
[ 223.647006][ T4568] ? gfs2_reconfigure+0xcd0/0xcd0
[ 223.652029][ T4568] gfs2_get_tree+0x4d/0x1e0
[ 223.656542][ T4568] vfs_get_tree+0x88/0x270
[ 223.660975][ T4568] do_new_mount+0x24a/0xa40
[ 223.665494][ T4568] __se_sys_mount+0x2d6/0x3c0
[ 223.670190][ T4568] ? __x64_sys_mount+0xc0/0xc0
[ 223.674970][ T4568] ? lockdep_hardirqs_on+0x94/0x140
[ 223.680170][ T4568] ? __x64_sys_mount+0x1c/0xc0
[ 223.684987][ T4568] do_syscall_64+0x4c/0xa0
[ 223.689438][ T4568] ? clear_bhb_loop+0x30/0x80
[ 223.694133][ T4568] ? clear_bhb_loop+0x30/0x80
[ 223.698820][ T4568] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 223.704727][ T4568] RIP: 0033:0x7f016223b38a
[ 223.709251][ T4568] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 223.728949][ T4568] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 223.737386][ T4568] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 223.745367][ T4568] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 223.753369][ T4568] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 223.761358][ T4568] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 223.769365][ T4568] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 223.777359][ T4568]
[ 223.782962][ T4568] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 223.796414][ T4568] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 224.191511][ T4569] loop1: detected capacity change from 0 to 32768
[ 224.241647][ T4569] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 224.249098][ T4569] CPU: 1 PID: 4569 Comm: syz.1.196 Not tainted 5.15.189-syzkaller #0
[ 224.257198][ T4569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 224.267284][ T4569] Call Trace:
[ 224.270682][ T4569]
[ 224.273637][ T4569] dump_stack_lvl+0x168/0x230
[ 224.278349][ T4569] ? show_regs_print_info+0x20/0x20
[ 224.283571][ T4569] ? load_image+0x3b0/0x3b0
[ 224.288107][ T4569] sysfs_create_dir_ns+0x252/0x280
[ 224.293252][ T4569] ? __lock_acquire+0x7c60/0x7c60
[ 224.298416][ T4569] ? sysfs_warn_dup+0xa0/0xa0
[ 224.303211][ T4569] ? do_raw_spin_unlock+0x11d/0x230
[ 224.308435][ T4569] kobject_add_internal+0x662/0xd00
[ 224.313678][ T4569] kobject_init_and_add+0x122/0x190
[ 224.318984][ T4569] ? lockdep_softirqs_off+0x420/0x420
[ 224.324386][ T4569] ? kobject_add+0x210/0x210
[ 224.329005][ T4569] ? __init_swait_queue_head+0xa5/0x150
[ 224.334578][ T4569] gfs2_sys_fs_add+0x234/0x480
[ 224.339367][ T4569] ? gfs2_recover_set+0x240/0x240
[ 224.344413][ T4569] ? snprintf+0xd7/0x120
[ 224.348685][ T4569] ? __free_pages+0x95/0x1a0
[ 224.353300][ T4569] ? vscnprintf+0x80/0x80
[ 224.357641][ T4569] gfs2_fill_super+0x128d/0x1f50
[ 224.362598][ T4569] ? gfs2_reconfigure+0xcd0/0xcd0
[ 224.367648][ T4569] ? preempt_count_add+0x8d/0x190
[ 224.372688][ T4569] ? sb_set_blocksize+0xa5/0xe0
[ 224.377646][ T4569] get_tree_bdev+0x3f1/0x610
[ 224.382340][ T4569] ? gfs2_reconfigure+0xcd0/0xcd0
[ 224.387386][ T4569] gfs2_get_tree+0x4d/0x1e0
[ 224.391893][ T4569] vfs_get_tree+0x88/0x270
[ 224.396310][ T4569] do_new_mount+0x24a/0xa40
[ 224.400832][ T4569] __se_sys_mount+0x2d6/0x3c0
[ 224.405509][ T4569] ? __x64_sys_mount+0xc0/0xc0
[ 224.410403][ T4569] ? lockdep_hardirqs_on+0x94/0x140
[ 224.415601][ T4569] ? __x64_sys_mount+0x1c/0xc0
[ 224.420367][ T4569] do_syscall_64+0x4c/0xa0
[ 224.424783][ T4569] ? clear_bhb_loop+0x30/0x80
[ 224.429458][ T4569] ? clear_bhb_loop+0x30/0x80
[ 224.434146][ T4569] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 224.440085][ T4569] RIP: 0033:0x7f016223b38a
[ 224.444529][ T4569] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 224.464136][ T4569] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 224.472572][ T4569] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 224.480539][ T4569] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 224.488508][ T4569] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 224.496488][ T4569] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 224.504458][ T4569] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 224.512500][ T4569]
[ 224.515875][ T4569] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 224.529182][ T4569] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 224.926933][ T4570] loop1: detected capacity change from 0 to 32768
[ 224.951343][ T4570] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 224.958857][ T4570] CPU: 0 PID: 4570 Comm: syz.1.197 Not tainted 5.15.189-syzkaller #0
[ 224.966947][ T4570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 224.977032][ T4570] Call Trace:
[ 224.980337][ T4570]
[ 224.983289][ T4570] dump_stack_lvl+0x168/0x230
[ 224.988002][ T4570] ? show_regs_print_info+0x20/0x20
[ 224.993504][ T4570] ? load_image+0x3b0/0x3b0
[ 224.998050][ T4570] sysfs_create_dir_ns+0x252/0x280
[ 225.003284][ T4570] ? __lock_acquire+0x7c60/0x7c60
[ 225.008350][ T4570] ? sysfs_warn_dup+0xa0/0xa0
[ 225.013084][ T4570] ? do_raw_spin_unlock+0x11d/0x230
[ 225.018321][ T4570] kobject_add_internal+0x662/0xd00
[ 225.023556][ T4570] kobject_init_and_add+0x122/0x190
[ 225.028785][ T4570] ? lockdep_softirqs_off+0x420/0x420
[ 225.034194][ T4570] ? kobject_add+0x210/0x210
[ 225.038820][ T4570] ? __init_swait_queue_head+0xa5/0x150
[ 225.044484][ T4570] gfs2_sys_fs_add+0x234/0x480
[ 225.049275][ T4570] ? gfs2_recover_set+0x240/0x240
[ 225.054324][ T4570] ? snprintf+0xd7/0x120
[ 225.058765][ T4570] ? __free_pages+0x95/0x1a0
[ 225.063370][ T4570] ? vscnprintf+0x80/0x80
[ 225.067728][ T4570] gfs2_fill_super+0x128d/0x1f50
[ 225.072677][ T4570] ? gfs2_reconfigure+0xcd0/0xcd0
[ 225.077792][ T4570] ? preempt_count_add+0x8d/0x190
[ 225.082839][ T4570] ? sb_set_blocksize+0xa5/0xe0
[ 225.087709][ T4570] get_tree_bdev+0x3f1/0x610
[ 225.092318][ T4570] ? gfs2_reconfigure+0xcd0/0xcd0
[ 225.097604][ T4570] gfs2_get_tree+0x4d/0x1e0
[ 225.102118][ T4570] vfs_get_tree+0x88/0x270
[ 225.106566][ T4570] do_new_mount+0x24a/0xa40
[ 225.111073][ T4570] __se_sys_mount+0x2d6/0x3c0
[ 225.115752][ T4570] ? __x64_sys_mount+0xc0/0xc0
[ 225.120515][ T4570] ? lockdep_hardirqs_on+0x94/0x140
[ 225.125713][ T4570] ? __x64_sys_mount+0x1c/0xc0
[ 225.130483][ T4570] do_syscall_64+0x4c/0xa0
[ 225.134901][ T4570] ? clear_bhb_loop+0x30/0x80
[ 225.139576][ T4570] ? clear_bhb_loop+0x30/0x80
[ 225.144261][ T4570] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 225.150265][ T4570] RIP: 0033:0x7f016223b38a
[ 225.154677][ T4570] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 225.174301][ T4570] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 225.182724][ T4570] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 225.190710][ T4570] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 225.198679][ T4570] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 225.206675][ T4570] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 225.214647][ T4570] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 225.222644][ T4570]
[ 225.231972][ T4570] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 225.245170][ T4570] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 225.633399][ T4571] loop1: detected capacity change from 0 to 32768
[ 225.682919][ T4571] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 225.690337][ T4571] CPU: 0 PID: 4571 Comm: syz.1.198 Not tainted 5.15.189-syzkaller #0
[ 225.698423][ T4571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 225.708615][ T4571] Call Trace:
[ 225.711939][ T4571]
[ 225.714906][ T4571] dump_stack_lvl+0x168/0x230
[ 225.719618][ T4571] ? show_regs_print_info+0x20/0x20
[ 225.724871][ T4571] ? load_image+0x3b0/0x3b0
[ 225.729409][ T4571] sysfs_create_dir_ns+0x252/0x280
[ 225.734669][ T4571] ? __lock_acquire+0x7c60/0x7c60
[ 225.739721][ T4571] ? sysfs_warn_dup+0xa0/0xa0
[ 225.744433][ T4571] ? do_raw_spin_unlock+0x11d/0x230
[ 225.749813][ T4571] kobject_add_internal+0x662/0xd00
[ 225.755045][ T4571] kobject_init_and_add+0x122/0x190
[ 225.760264][ T4571] ? lockdep_softirqs_off+0x420/0x420
[ 225.765775][ T4571] ? kobject_add+0x210/0x210
[ 225.770401][ T4571] ? __init_swait_queue_head+0xa5/0x150
[ 225.775984][ T4571] gfs2_sys_fs_add+0x234/0x480
[ 225.780867][ T4571] ? gfs2_recover_set+0x240/0x240
[ 225.785910][ T4571] ? snprintf+0xd7/0x120
[ 225.790157][ T4571] ? __free_pages+0x95/0x1a0
[ 225.794761][ T4571] ? vscnprintf+0x80/0x80
[ 225.799107][ T4571] gfs2_fill_super+0x128d/0x1f50
[ 225.804074][ T4571] ? gfs2_reconfigure+0xcd0/0xcd0
[ 225.809099][ T4571] ? preempt_count_add+0x8d/0x190
[ 225.814144][ T4571] ? sb_set_blocksize+0xa5/0xe0
[ 225.819009][ T4571] get_tree_bdev+0x3f1/0x610
[ 225.823604][ T4571] ? gfs2_reconfigure+0xcd0/0xcd0
[ 225.828635][ T4571] gfs2_get_tree+0x4d/0x1e0
[ 225.833189][ T4571] vfs_get_tree+0x88/0x270
[ 225.837617][ T4571] do_new_mount+0x24a/0xa40
[ 225.842172][ T4571] __se_sys_mount+0x2d6/0x3c0
[ 225.846956][ T4571] ? __x64_sys_mount+0xc0/0xc0
[ 225.851721][ T4571] ? lockdep_hardirqs_on+0x94/0x140
[ 225.856933][ T4571] ? __x64_sys_mount+0x1c/0xc0
[ 225.861724][ T4571] do_syscall_64+0x4c/0xa0
[ 225.866318][ T4571] ? clear_bhb_loop+0x30/0x80
[ 225.871013][ T4571] ? clear_bhb_loop+0x30/0x80
[ 225.875734][ T4571] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 225.881757][ T4571] RIP: 0033:0x7f016223b38a
[ 225.886174][ T4571] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 225.905863][ T4571] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 225.914390][ T4571] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 225.922465][ T4571] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 225.930465][ T4571] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 225.938438][ T4571] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 225.946426][ T4571] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 225.954408][ T4571]
[ 225.960066][ T4571] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 225.973654][ T4571] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 226.368540][ T4572] loop1: detected capacity change from 0 to 32768
[ 226.429156][ T4572] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 226.436753][ T4572] CPU: 0 PID: 4572 Comm: syz.1.199 Not tainted 5.15.189-syzkaller #0
[ 226.444935][ T4572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 226.455021][ T4572] Call Trace:
[ 226.458335][ T4572]
[ 226.461285][ T4572] dump_stack_lvl+0x168/0x230
[ 226.465996][ T4572] ? show_regs_print_info+0x20/0x20
[ 226.471223][ T4572] ? load_image+0x3b0/0x3b0
[ 226.475778][ T4572] sysfs_create_dir_ns+0x252/0x280
[ 226.481108][ T4572] ? __lock_acquire+0x7c60/0x7c60
[ 226.486165][ T4572] ? sysfs_warn_dup+0xa0/0xa0
[ 226.490882][ T4572] ? do_raw_spin_unlock+0x11d/0x230
[ 226.496113][ T4572] kobject_add_internal+0x662/0xd00
[ 226.501347][ T4572] kobject_init_and_add+0x122/0x190
[ 226.506592][ T4572] ? lockdep_softirqs_off+0x420/0x420
[ 226.511996][ T4572] ? kobject_add+0x210/0x210
[ 226.516710][ T4572] ? __init_swait_queue_head+0xa5/0x150
[ 226.522290][ T4572] gfs2_sys_fs_add+0x234/0x480
[ 226.527082][ T4572] ? gfs2_recover_set+0x240/0x240
[ 226.532131][ T4572] ? snprintf+0xd7/0x120
[ 226.536397][ T4572] ? __free_pages+0x95/0x1a0
[ 226.540993][ T4572] ? vscnprintf+0x80/0x80
[ 226.545572][ T4572] gfs2_fill_super+0x128d/0x1f50
[ 226.550626][ T4572] ? gfs2_reconfigure+0xcd0/0xcd0
[ 226.555669][ T4572] ? preempt_count_add+0x8d/0x190
[ 226.560708][ T4572] ? sb_set_blocksize+0xa5/0xe0
[ 226.565564][ T4572] get_tree_bdev+0x3f1/0x610
[ 226.570165][ T4572] ? gfs2_reconfigure+0xcd0/0xcd0
[ 226.575204][ T4572] gfs2_get_tree+0x4d/0x1e0
[ 226.579772][ T4572] vfs_get_tree+0x88/0x270
[ 226.584195][ T4572] do_new_mount+0x24a/0xa40
[ 226.588714][ T4572] __se_sys_mount+0x2d6/0x3c0
[ 226.593421][ T4572] ? __x64_sys_mount+0xc0/0xc0
[ 226.598204][ T4572] ? lockdep_hardirqs_on+0x94/0x140
[ 226.603490][ T4572] ? __x64_sys_mount+0x1c/0xc0
[ 226.608261][ T4572] do_syscall_64+0x4c/0xa0
[ 226.612671][ T4572] ? clear_bhb_loop+0x30/0x80
[ 226.617343][ T4572] ? clear_bhb_loop+0x30/0x80
[ 226.622013][ T4572] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 226.628002][ T4572] RIP: 0033:0x7f016223b38a
[ 226.632413][ T4572] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 226.652192][ T4572] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 226.660653][ T4572] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 226.668627][ T4572] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 226.676594][ T4572] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 226.684559][ T4572] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 226.692551][ T4572] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 226.700547][ T4572]
[ 226.713637][ T4572] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 226.726936][ T4572] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 226.851500][ T27] INFO: task syz.0.17:4357 blocked for more than 143 seconds.
[ 226.859253][ T27] Not tainted 5.15.189-syzkaller #0
[ 226.865462][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 226.874659][ T27] task:syz.0.17 state:D stack:24680 pid: 4357 ppid: 4293 flags:0x00004004
[ 226.884214][ T27] Call Trace:
[ 226.887536][ T27]
[ 226.890487][ T27] __schedule+0x11b8/0x43b0
[ 226.895874][ T27] ? mark_lock+0x94/0x320
[ 226.900251][ T27] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 226.906651][ T27] ? lock_chain_count+0x20/0x20
[ 226.911936][ T27] ? release_firmware_map_entry+0x190/0x190
[ 226.917859][ T27] ? _raw_spin_lock_irqsave+0xb0/0xf0
[ 226.925161][ T27] ? _raw_spin_unlock_irqrestore+0x82/0x100
[ 226.931118][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 226.936779][ T27] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 226.943092][ T27] schedule+0x11b/0x1e0
[ 226.947321][ T27] bit_wait+0xd/0xc0
[ 226.951760][ T27] out_of_line_wait_on_bit+0x15e/0x200
[ 226.957252][ T27] ? out_of_line_wait_on_bit_lock+0x160/0x160
[ 226.963879][ T27] ? __wait_on_bit+0x170/0x170
[ 226.968789][ T27] ? bit_waitqueue+0x30/0x30
[ 226.973742][ T27] gfs2_glock_wait+0xd9/0x1c0
[ 226.980561][ T27] gfs2_statfs_init+0xf9/0x490
[ 226.987825][ T27] ? gfs2_glock_wait+0x136/0x1c0
[ 226.993062][ T27] ? gfs2_statfs_change_out+0xe0/0xe0
[ 226.999389][ T27] ? init_per_node+0x2be/0x3d0
[ 227.006816][ T27] ? gfs2_statfs_init+0xf1/0x490
[ 227.012133][ T27] ? init_inodes+0x26a/0x320
[ 227.016855][ T27] gfs2_fill_super+0x1749/0x1f50
[ 227.025286][ T27] ? gfs2_reconfigure+0xcd0/0xcd0
[ 227.030357][ T27] ? gfs2_glock_nq_num+0x82/0x1b0
[ 227.037107][ T27] ? preempt_count_add+0x8d/0x190
[ 227.044673][ T27] ? sb_set_blocksize+0xa5/0xe0
[ 227.049573][ T27] get_tree_bdev+0x3f1/0x610
[ 227.054575][ T27] ? gfs2_reconfigure+0xcd0/0xcd0
[ 227.059734][ T27] gfs2_get_tree+0x4d/0x1e0
[ 227.066999][ T27] vfs_get_tree+0x88/0x270
[ 227.071710][ T27] do_new_mount+0x24a/0xa40
[ 227.076257][ T27] __se_sys_mount+0x2d6/0x3c0
[ 227.080968][ T27] ? __x64_sys_mount+0xc0/0xc0
[ 227.088341][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 227.093825][ T27] ? __x64_sys_mount+0x1c/0xc0
[ 227.099669][ T27] do_syscall_64+0x4c/0xa0
[ 227.106668][ T27] ? clear_bhb_loop+0x30/0x80
[ 227.111629][ T27] ? clear_bhb_loop+0x30/0x80
[ 227.116329][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 227.124875][ T27] RIP: 0033:0x7fa8a133438a
[ 227.129321][ T27] RSP: 002b:00007ffcdeb3c758 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 227.138162][ T27] RAX: ffffffffffffffda RBX: 00007ffcdeb3c7e0 RCX: 00007fa8a133438a
[ 227.149986][ T27] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdeb3c7a0
[ 227.158655][ T27] RBP: 0000200000000400 R08: 00007ffcdeb3c7e0 R09: 0000000000000000
[ 227.169186][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 227.177738][ T27] R13: 00007ffcdeb3c7a0 R14: 00000000000125e1 R15: 00002000000000c0
[ 227.188268][ T27]
[ 227.191648][ T27]
[ 227.191648][ T27] Showing all locks held in the system:
[ 227.200438][ T27] 1 lock held by khungtaskd/27:
[ 227.208052][ T27] #0: ffffffff8c11c360 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 227.218045][ T27] 2 locks held by getty/3946:
[ 227.225253][ T27] #0: ffff88802ad3e098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 227.235296][ T27] #1: ffffc90002d032e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ba/0x1a30
[ 227.247934][ T27] 1 lock held by syz.0.17/4357:
[ 227.254338][ T27] #0: ffff88807b6720e0 (&type->s_umount_key#53/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950
[ 227.267094][ T27] 3 locks held by syz.1.200/4573:
[ 227.272404][ T27]
[ 227.274744][ T27] =============================================
[ 227.274744][ T27]
[ 227.286634][ T27] NMI backtrace for cpu 0
[ 227.290991][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.189-syzkaller #0
[ 227.298985][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 227.309122][ T27] Call Trace:
[ 227.312506][ T27]
[ 227.315454][ T27] dump_stack_lvl+0x168/0x230
[ 227.320162][ T27] ? show_regs_print_info+0x20/0x20
[ 227.323751][ T4573] loop1: detected capacity change from 0 to 32768
[ 227.325384][ T27] ? load_image+0x3b0/0x3b0
[ 227.336345][ T27] ? tick_nohz_tick_stopped+0x7b/0xb0
[ 227.341842][ T27] ? nmi_cpu_backtrace+0x1b6/0x3d0
[ 227.346606][ T4573] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 227.346988][ T27] nmi_cpu_backtrace+0x397/0x3d0
[ 227.359420][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 227.365628][ T27] ? _printk+0xcc/0x110
[ 227.369805][ T27] ? load_image+0x3b0/0x3b0
[ 227.374323][ T27] ? load_image+0x3b0/0x3b0
[ 227.379059][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 227.385151][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 227.391155][ T27] watchdog+0xe0f/0xe50
[ 227.395345][ T27] kthread+0x436/0x520
[ 227.399443][ T27] ? hungtask_pm_notify+0x40/0x40
[ 227.404546][ T27] ? kthread_blkcg+0xd0/0xd0
[ 227.409163][ T27] ret_from_fork+0x1f/0x30
[ 227.413624][ T27]
[ 227.416657][ T4573] CPU: 1 PID: 4573 Comm: syz.1.200 Not tainted 5.15.189-syzkaller #0
[ 227.417385][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 227.424795][ T4573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 227.424811][ T4573] Call Trace:
[ 227.424819][ T4573]
[ 227.424828][ T4573] dump_stack_lvl+0x168/0x230
[ 227.424855][ T4573] ? show_regs_print_info+0x20/0x20
[ 227.424877][ T4573] ? load_image+0x3b0/0x3b0
[ 227.424929][ T4573] sysfs_create_dir_ns+0x252/0x280
[ 227.424955][ T4573] ? __lock_acquire+0x7c60/0x7c60
[ 227.430164][ C1] NMI backtrace for cpu 1
[ 227.430175][ C1] CPU: 1 PID: 4573 Comm: syz.1.200 Not tainted 5.15.189-syzkaller #0
[ 227.430192][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 227.430201][ C1] RIP: 0010:put_dec_trunc8+0x4d/0x340
[ 227.430224][ C1] Code: 89 ee e8 26 c8 79 fd 83 fd 63 77 0a e8 bc c4 79 fd e9 86 01 00 00 89 e8 4c 69 f0 29 5c 8f 02 49 c1 ee 20 45 6b fe 9c 41 01 ef 64 00 00 00 44 89 fe e8 f6 c7 79 fd 41 83 ff 63 0f 87 dd 01 00
[ 227.430238][ C1] RSP: 0018:ffffc900039f6e08 EFLAGS: 00000007
[ 227.430252][ C1] RAX: 00000000000000e3 RBX: ffffc900039f6ec0 RCX: ffff888025993b80
[ 227.430276][ C1] RDX: 0000000000000000 RSI: 00000000000000e3 RDI: 0000000000000064
[ 227.430286][ C1] RBP: 00000000000000e3 R08: dffffc0000000000 R09: ffffc900039f6ec0
[ 227.430297][ C1] R10: fffff5200073eddb R11: 1ffff9200073edd8 R12: dffffc0000000000
[ 227.430310][ C1] R13: 00000000000000e3 R14: 0000000000000002 R15: 000000000000001b
[ 227.430320][ C1] FS: 0000555585076500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
[ 227.430334][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 227.430345][ C1] CR2: 00007f5115fba000 CR3: 000000001f30c000 CR4: 00000000003506e0
[ 227.430359][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 227.430369][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 227.430379][ C1] Call Trace:
[ 227.430384][ C1]
[ 227.430391][ C1] number+0x306/0xf70
[ 227.430413][ C1] ? pointer+0xc40/0xc40
[ 227.430430][ C1] ? format_decode+0xb6a/0x1330
[ 227.430452][ C1] vsnprintf+0x10fe/0x1a00
[ 227.430474][ C1] sprintf+0xd6/0x120
[ 227.430493][ C1] ? vsprintf+0x30/0x30
[ 227.430512][ C1] ? prb_read_valid+0x60/0x60
[ 227.430528][ C1] ? down_trylock+0x4c/0xa0
[ 227.430546][ C1] info_print_prefix+0x152/0x300
[ 227.430563][ C1] ? trace_raw_output_console+0xd0/0xd0
[ 227.430577][ C1] ? _prb_commit+0x289/0x340
[ 227.430596][ C1] console_unlock+0x7f5/0x1200
[ 227.430619][ C1] ? console_trylock_spinning+0x350/0x350
[ 227.430642][ C1] ? read_lock_is_recursive+0x10/0x10
[ 227.430660][ C1] ? __rwlock_init+0x140/0x140
[ 227.430675][ C1] ? console_trylock_spinning+0x1f2/0x350
[ 227.430699][ C1] ? vprintk_emit+0x150/0x150
[ 227.430723][ C1] vprintk_emit+0xc0/0x150
[ 227.430743][ C1] _printk+0xcc/0x110
[ 227.430766][ C1] ? deref_stack_reg+0xd0/0x120
[ 227.430783][ C1] ? __lock_acquire+0x7c60/0x7c60
[ 227.430801][ C1] ? load_image+0x3b0/0x3b0
[ 227.430820][ C1] ? wq_watchdog_touch+0xeb/0x170
[ 227.430837][ C1] ? __lock_acquire+0x7c60/0x7c60
[ 227.430855][ C1] ? __lock_acquire+0x7c60/0x7c60
[ 227.430872][ C1] show_trace_log_lvl+0x4d0/0x550
[ 227.430894][ C1] ? kobject_add_internal+0x662/0xd00
[ 227.430912][ C1] dump_stack_lvl+0x168/0x230
[ 227.430930][ C1] ? show_regs_print_info+0x20/0x20
[ 227.430947][ C1] ? load_image+0x3b0/0x3b0
[ 227.430969][ C1] sysfs_create_dir_ns+0x252/0x280
[ 227.430987][ C1] ? __lock_acquire+0x7c60/0x7c60
[ 227.431005][ C1] ? sysfs_warn_dup+0xa0/0xa0
[ 227.431025][ C1] ? do_raw_spin_unlock+0x11d/0x230
[ 227.431042][ C1] kobject_add_internal+0x662/0xd00
[ 227.431061][ C1] kobject_init_and_add+0x122/0x190
[ 227.431077][ C1] ? lockdep_softirqs_off+0x420/0x420
[ 227.431097][ C1] ? kobject_add+0x210/0x210
[ 227.431114][ C1] ? __init_swait_queue_head+0xa5/0x150
[ 227.431135][ C1] gfs2_sys_fs_add+0x234/0x480
[ 227.431152][ C1] ? gfs2_recover_set+0x240/0x240
[ 227.431167][ C1] ? snprintf+0xd7/0x120
[ 227.431183][ C1] ? __free_pages+0x95/0x1a0
[ 227.431201][ C1] ? vscnprintf+0x80/0x80
[ 227.431223][ C1] gfs2_fill_super+0x128d/0x1f50
[ 227.431248][ C1] ? gfs2_reconfigure+0xcd0/0xcd0
[ 227.431267][ C1] ? preempt_count_add+0x8d/0x190
[ 227.431291][ C1] ? sb_set_blocksize+0xa5/0xe0
[ 227.431312][ C1] get_tree_bdev+0x3f1/0x610
[ 227.431330][ C1] ? gfs2_reconfigure+0xcd0/0xcd0
[ 227.431347][ C1] gfs2_get_tree+0x4d/0x1e0
[ 227.431365][ C1] vfs_get_tree+0x88/0x270
[ 227.431382][ C1] do_new_mount+0x24a/0xa40
[ 227.431403][ C1] __se_sys_mount+0x2d6/0x3c0
[ 227.431422][ C1] ? __x64_sys_mount+0xc0/0xc0
[ 227.431440][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 227.431456][ C1] ? __x64_sys_mount+0x1c/0xc0
[ 227.431472][ C1] do_syscall_64+0x4c/0xa0
[ 227.431490][ C1] ? clear_bhb_loop+0x30/0x80
[ 227.431507][ C1] ? clear_bhb_loop+0x30/0x80
[ 227.431522][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 227.431542][ C1] RIP: 0033:0x7f016223b38a
[ 227.431559][ C1] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 227.431572][ C1] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 227.431588][ C1] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 227.431600][ C1] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 227.431612][ C1] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 227.431623][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 227.431633][ C1] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 227.431652][ C1]
[ 227.450077][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 227.452717][ T4573] ? sysfs_warn_dup+0xa0/0xa0
[ 227.993826][ T4573] ? do_raw_spin_unlock+0x11d/0x230
[ 227.999065][ T4573] kobject_add_internal+0x662/0xd00
[ 228.004288][ T4573] kobject_init_and_add+0x122/0x190
[ 228.009493][ T4573] ? lockdep_softirqs_off+0x420/0x420
[ 228.014967][ T4573] ? kobject_add+0x210/0x210
[ 228.019576][ T4573] ? __init_swait_queue_head+0xa5/0x150
[ 228.025142][ T4573] gfs2_sys_fs_add+0x234/0x480
[ 228.029918][ T4573] ? gfs2_recover_set+0x240/0x240
[ 228.034948][ T4573] ? snprintf+0xd7/0x120
[ 228.039197][ T4573] ? __free_pages+0x95/0x1a0
[ 228.043806][ T4573] ? vscnprintf+0x80/0x80
[ 228.048153][ T4573] gfs2_fill_super+0x128d/0x1f50
[ 228.053112][ T4573] ? gfs2_reconfigure+0xcd0/0xcd0
[ 228.058149][ T4573] ? preempt_count_add+0x8d/0x190
[ 228.063188][ T4573] ? sb_set_blocksize+0xa5/0xe0
[ 228.068050][ T4573] get_tree_bdev+0x3f1/0x610
[ 228.072642][ T4573] ? gfs2_reconfigure+0xcd0/0xcd0
[ 228.077673][ T4573] gfs2_get_tree+0x4d/0x1e0
[ 228.082189][ T4573] vfs_get_tree+0x88/0x270
[ 228.086612][ T4573] do_new_mount+0x24a/0xa40
[ 228.091130][ T4573] __se_sys_mount+0x2d6/0x3c0
[ 228.095819][ T4573] ? __x64_sys_mount+0xc0/0xc0
[ 228.100602][ T4573] ? lockdep_hardirqs_on+0x94/0x140
[ 228.105904][ T4573] ? __x64_sys_mount+0x1c/0xc0
[ 228.110677][ T4573] do_syscall_64+0x4c/0xa0
[ 228.115107][ T4573] ? clear_bhb_loop+0x30/0x80
[ 228.119792][ T4573] ? clear_bhb_loop+0x30/0x80
[ 228.124587][ T4573] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 228.130492][ T4573] RIP: 0033:0x7f016223b38a
[ 228.134916][ T4573] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 228.154651][ T4573] RSP: 002b:00007ffd26b16d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 228.163089][ T4573] RAX: ffffffffffffffda RBX: 00007ffd26b16db0 RCX: 00007f016223b38a
[ 228.171063][ T4573] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd26b16d70
[ 228.179042][ T4573] RBP: 0000200000000400 R08: 00007ffd26b16db0 R09: 0000000000000000
[ 228.187022][ T4573] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 228.195012][ T4573] R13: 00007ffd26b16d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 228.203018][ T4573]
[ 228.206046][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.189-syzkaller #0
[ 228.214146][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 228.216218][ T4573] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 228.224251][ T27] Call Trace:
[ 228.224261][ T27]
[ 228.224270][ T27] dump_stack_lvl+0x168/0x230
[ 228.224302][ T27] ? show_regs_print_info+0x20/0x20
[ 228.237521][ T4573] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 228.240676][ T27] ? load_image+0x3b0/0x3b0
[ 228.264750][ T27] panic+0x2c9/0x7f0
[ 228.268653][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 228.274295][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 228.278807][ T27] ? __irq_work_queue_local+0x12c/0x190
[ 228.284362][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 228.290527][ T27] watchdog+0xe4e/0xe50
[ 228.294696][ T27] kthread+0x436/0x520
[ 228.298762][ T27] ? hungtask_pm_notify+0x40/0x40
[ 228.303796][ T27] ? kthread_blkcg+0xd0/0xd0
[ 228.308392][ T27] ret_from_fork+0x1f/0x30
[ 228.312931][ T27]
[ 228.316379][ T27] Kernel Offset: disabled
[ 228.320738][ T27] Rebooting in 86400 seconds..