cce486e20 RCX: 00007fba68f98f4a
[ 188.238709][ T4510] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 188.249896][ T4510] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 188.261501][ T4510] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 188.271788][ T4510] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 188.281960][ T4510]
[ 188.287499][ T4510] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 188.304946][ T4510] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 188.629723][ T4511] loop1: detected capacity change from 0 to 32768
[ 188.677745][ T4511] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 188.688297][ T4511] CPU: 1 PID: 4511 Comm: syz.1.170 Not tainted syzkaller #0
[ 188.696261][ T4511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 188.708143][ T4511] Call Trace:
[ 188.712156][ T4511]
[ 188.715390][ T4511] dump_stack_lvl+0x188/0x250
[ 188.720456][ T4511] ? show_regs_print_info+0x20/0x20
[ 188.727152][ T4511] ? load_image+0x400/0x400
[ 188.733492][ T4511] sysfs_create_dir_ns+0x26a/0x290
[ 188.739378][ T4511] ? sysfs_warn_dup+0xa0/0xa0
[ 188.745073][ T4511] ? do_raw_spin_unlock+0x11d/0x230
[ 188.752893][ T4511] kobject_add_internal+0x6e0/0xd90
[ 188.759776][ T4511] kobject_init_and_add+0x128/0x190
[ 188.767978][ T4511] ? lockdep_softirqs_off+0x430/0x430
[ 188.778423][ T4511] ? kobject_add+0x230/0x230
[ 188.783156][ T4511] ? __init_swait_queue_head+0xa5/0x150
[ 188.790903][ T4511] gfs2_sys_fs_add+0x24f/0x4b0
[ 188.797002][ T4511] ? gfs2_recover_set+0x240/0x240
[ 188.803941][ T4511] ? snprintf+0xe5/0x140
[ 188.810136][ T4511] ? __free_pages+0x95/0x1a0
[ 188.817161][ T4511] ? vscnprintf+0x80/0x80
[ 188.822902][ T4511] gfs2_fill_super+0x120f/0x1f00
[ 188.828497][ T4511] ? gfs2_reconfigure+0xd30/0xd30
[ 188.835579][ T4511] ? sb_set_blocksize+0xa5/0xe0
[ 188.844494][ T4511] get_tree_bdev+0x3f1/0x610
[ 188.851199][ T4511] ? gfs2_reconfigure+0xd30/0xd30
[ 188.858312][ T4511] gfs2_get_tree+0x4d/0x1e0
[ 188.864986][ T4511] vfs_get_tree+0x88/0x270
[ 188.870143][ T4511] do_new_mount+0x24a/0xa40
[ 188.876798][ T4511] __se_sys_mount+0x2e3/0x3d0
[ 188.884189][ T4511] ? __x64_sys_mount+0xc0/0xc0
[ 188.891275][ T4511] ? lockdep_hardirqs_on+0x94/0x140
[ 188.899008][ T4511] ? __x64_sys_mount+0x1c/0xc0
[ 188.904790][ T4511] do_syscall_64+0x4c/0xa0
[ 188.911545][ T4511] ? clear_bhb_loop+0x30/0x80
[ 188.918008][ T4511] ? clear_bhb_loop+0x30/0x80
[ 188.925305][ T4511] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 188.932920][ T4511] RIP: 0033:0x7fba68f98f4a
[ 188.938935][ T4511] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 188.963484][ T4511] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 188.975607][ T4511] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 188.985846][ T4511] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 188.995583][ T4511] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 189.004751][ T4511] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 189.014324][ T4511] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 189.025062][ T4511]
[ 189.030344][ T4511] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 189.046193][ T4511] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 189.387703][ T4512] loop1: detected capacity change from 0 to 32768
[ 189.436165][ T4512] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 189.448783][ T4512] CPU: 0 PID: 4512 Comm: syz.1.171 Not tainted syzkaller #0
[ 189.460660][ T4512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 189.477610][ T4512] Call Trace:
[ 189.481843][ T4512]
[ 189.486728][ T4512] dump_stack_lvl+0x188/0x250
[ 189.492429][ T4512] ? show_regs_print_info+0x20/0x20
[ 189.498370][ T4512] ? load_image+0x400/0x400
[ 189.504454][ T4512] sysfs_create_dir_ns+0x26a/0x290
[ 189.510571][ T4512] ? sysfs_warn_dup+0xa0/0xa0
[ 189.516787][ T4512] ? do_raw_spin_unlock+0x11d/0x230
[ 189.523219][ T4512] kobject_add_internal+0x6e0/0xd90
[ 189.530207][ T4512] kobject_init_and_add+0x128/0x190
[ 189.536847][ T4512] ? lockdep_softirqs_off+0x430/0x430
[ 189.543673][ T4512] ? kobject_add+0x230/0x230
[ 189.549577][ T4512] ? __init_swait_queue_head+0xa5/0x150
[ 189.557525][ T4512] gfs2_sys_fs_add+0x24f/0x4b0
[ 189.564259][ T4512] ? gfs2_recover_set+0x240/0x240
[ 189.571741][ T4512] ? snprintf+0xe5/0x140
[ 189.577600][ T4512] ? __free_pages+0x95/0x1a0
[ 189.583233][ T4512] ? vscnprintf+0x80/0x80
[ 189.588972][ T4512] gfs2_fill_super+0x120f/0x1f00
[ 189.597109][ T4512] ? gfs2_reconfigure+0xd30/0xd30
[ 189.603217][ T4512] ? sb_set_blocksize+0xa5/0xe0
[ 189.609210][ T4512] get_tree_bdev+0x3f1/0x610
[ 189.616191][ T4512] ? gfs2_reconfigure+0xd30/0xd30
[ 189.623209][ T4512] gfs2_get_tree+0x4d/0x1e0
[ 189.628651][ T4512] vfs_get_tree+0x88/0x270
[ 189.634418][ T4512] do_new_mount+0x24a/0xa40
[ 189.641925][ T4512] __se_sys_mount+0x2e3/0x3d0
[ 189.647651][ T4512] ? __x64_sys_mount+0xc0/0xc0
[ 189.653060][ T4512] ? lockdep_hardirqs_on+0x94/0x140
[ 189.659812][ T4512] ? __x64_sys_mount+0x1c/0xc0
[ 189.666420][ T4512] do_syscall_64+0x4c/0xa0
[ 189.671732][ T4512] ? clear_bhb_loop+0x30/0x80
[ 189.677068][ T4512] ? clear_bhb_loop+0x30/0x80
[ 189.683250][ T4512] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 189.692255][ T4512] RIP: 0033:0x7fba68f98f4a
[ 189.699411][ T4512] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 189.729384][ T4512] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 189.739505][ T4512] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 189.750295][ T4512] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 189.759267][ T4512] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 189.768429][ T4512] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 189.779722][ T4512] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 189.790374][ T4512]
[ 189.803234][ T4512] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 189.821510][ T4512] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/25 02:58:38 executed programs: 157
[ 190.163137][ T4513] loop1: detected capacity change from 0 to 32768
[ 190.237907][ T4513] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 190.247006][ T4513] CPU: 1 PID: 4513 Comm: syz.1.172 Not tainted syzkaller #0
[ 190.255513][ T4513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 190.269001][ T4513] Call Trace:
[ 190.273049][ T4513]
[ 190.276287][ T4513] dump_stack_lvl+0x188/0x250
[ 190.281812][ T4513] ? show_regs_print_info+0x20/0x20
[ 190.288268][ T4513] ? load_image+0x400/0x400
[ 190.294374][ T4513] sysfs_create_dir_ns+0x26a/0x290
[ 190.301482][ T4513] ? sysfs_warn_dup+0xa0/0xa0
[ 190.307145][ T4513] ? do_raw_spin_unlock+0x11d/0x230
[ 190.313690][ T4513] kobject_add_internal+0x6e0/0xd90
[ 190.319490][ T4513] kobject_init_and_add+0x128/0x190
[ 190.326471][ T4513] ? lockdep_softirqs_off+0x430/0x430
[ 190.332361][ T4513] ? kobject_add+0x230/0x230
[ 190.337566][ T4513] ? __init_swait_queue_head+0xa5/0x150
[ 190.344081][ T4513] gfs2_sys_fs_add+0x24f/0x4b0
[ 190.349879][ T4513] ? gfs2_recover_set+0x240/0x240
[ 190.355764][ T4513] ? snprintf+0xe5/0x140
[ 190.362389][ T4513] ? __free_pages+0x95/0x1a0
[ 190.368187][ T4513] ? vscnprintf+0x80/0x80
[ 190.373413][ T4513] gfs2_fill_super+0x120f/0x1f00
[ 190.379977][ T4513] ? gfs2_reconfigure+0xd30/0xd30
[ 190.388001][ T4513] ? sb_set_blocksize+0xa5/0xe0
[ 190.394264][ T4513] get_tree_bdev+0x3f1/0x610
[ 190.400246][ T4513] ? gfs2_reconfigure+0xd30/0xd30
[ 190.406488][ T4513] gfs2_get_tree+0x4d/0x1e0
[ 190.413044][ T4513] vfs_get_tree+0x88/0x270
[ 190.420875][ T4513] do_new_mount+0x24a/0xa40
[ 190.426718][ T4513] __se_sys_mount+0x2e3/0x3d0
[ 190.432808][ T4513] ? __x64_sys_mount+0xc0/0xc0
[ 190.439677][ T4513] ? lockdep_hardirqs_on+0x94/0x140
[ 190.445621][ T4513] ? __x64_sys_mount+0x1c/0xc0
[ 190.452027][ T4513] do_syscall_64+0x4c/0xa0
[ 190.457235][ T4513] ? clear_bhb_loop+0x30/0x80
[ 190.462881][ T4513] ? clear_bhb_loop+0x30/0x80
[ 190.468750][ T4513] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 190.477082][ T4513] RIP: 0033:0x7fba68f98f4a
[ 190.482938][ T4513] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 190.509776][ T4513] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 190.521137][ T4513] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 190.531238][ T4513] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 190.540321][ T4513] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 190.549912][ T4513] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 190.560824][ T4513] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 190.571202][ T4513]
[ 190.576667][ T4513] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 190.593813][ T4513] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 190.950308][ T4514] loop1: detected capacity change from 0 to 32768
[ 191.010568][ T4514] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 191.019546][ T4514] CPU: 0 PID: 4514 Comm: syz.1.173 Not tainted syzkaller #0
[ 191.031250][ T4514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 191.046031][ T4514] Call Trace:
[ 191.049962][ T4514]
[ 191.053058][ T4514] dump_stack_lvl+0x188/0x250
[ 191.059314][ T4514] ? show_regs_print_info+0x20/0x20
[ 191.068408][ T4514] ? load_image+0x400/0x400
[ 191.073239][ T4514] sysfs_create_dir_ns+0x26a/0x290
[ 191.080337][ T4514] ? sysfs_warn_dup+0xa0/0xa0
[ 191.086539][ T4514] ? do_raw_spin_unlock+0x11d/0x230
[ 191.092924][ T4514] kobject_add_internal+0x6e0/0xd90
[ 191.099100][ T4514] kobject_init_and_add+0x128/0x190
[ 191.105966][ T4514] ? lockdep_softirqs_off+0x430/0x430
[ 191.113342][ T4514] ? kobject_add+0x230/0x230
[ 191.119455][ T4514] ? __init_swait_queue_head+0xa5/0x150
[ 191.126953][ T4514] gfs2_sys_fs_add+0x24f/0x4b0
[ 191.134792][ T4514] ? gfs2_recover_set+0x240/0x240
[ 191.141440][ T4514] ? snprintf+0xe5/0x140
[ 191.146943][ T4514] ? __free_pages+0x95/0x1a0
[ 191.151644][ T4514] ? vscnprintf+0x80/0x80
[ 191.157376][ T4514] gfs2_fill_super+0x120f/0x1f00
[ 191.163725][ T4514] ? gfs2_reconfigure+0xd30/0xd30
[ 191.170386][ T4514] ? sb_set_blocksize+0xa5/0xe0
[ 191.178359][ T4514] get_tree_bdev+0x3f1/0x610
[ 191.186396][ T4514] ? gfs2_reconfigure+0xd30/0xd30
[ 191.193163][ T4514] gfs2_get_tree+0x4d/0x1e0
[ 191.198519][ T4514] vfs_get_tree+0x88/0x270
[ 191.205909][ T4514] do_new_mount+0x24a/0xa40
[ 191.212291][ T4514] __se_sys_mount+0x2e3/0x3d0
[ 191.218269][ T4514] ? __x64_sys_mount+0xc0/0xc0
[ 191.223667][ T4514] ? lockdep_hardirqs_on+0x94/0x140
[ 191.229812][ T4514] ? __x64_sys_mount+0x1c/0xc0
[ 191.236554][ T4514] do_syscall_64+0x4c/0xa0
[ 191.241900][ T4514] ? clear_bhb_loop+0x30/0x80
[ 191.249605][ T4514] ? clear_bhb_loop+0x30/0x80
[ 191.255690][ T4514] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 191.262885][ T4514] RIP: 0033:0x7fba68f98f4a
[ 191.268414][ T4514] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 191.299191][ T4514] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 191.311088][ T4514] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 191.322109][ T4514] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 191.332838][ T4514] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 191.343164][ T4514] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 191.351911][ T4514] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 191.362399][ T4514]
[ 191.368599][ T4514] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 191.384668][ T4514] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 191.731226][ T4515] loop1: detected capacity change from 0 to 32768
[ 191.787351][ T4515] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 191.795822][ T4515] CPU: 0 PID: 4515 Comm: syz.1.174 Not tainted syzkaller #0
[ 191.806205][ T4515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 191.817458][ T4515] Call Trace:
[ 191.821542][ T4515]
[ 191.825291][ T4515] dump_stack_lvl+0x188/0x250
[ 191.831308][ T4515] ? show_regs_print_info+0x20/0x20
[ 191.837312][ T4515] ? load_image+0x400/0x400
[ 191.844428][ T4515] sysfs_create_dir_ns+0x26a/0x290
[ 191.850357][ T4515] ? sysfs_warn_dup+0xa0/0xa0
[ 191.857729][ T4515] ? do_raw_spin_unlock+0x11d/0x230
[ 191.864547][ T4515] kobject_add_internal+0x6e0/0xd90
[ 191.871319][ T4515] kobject_init_and_add+0x128/0x190
[ 191.877353][ T4515] ? lockdep_softirqs_off+0x430/0x430
[ 191.884432][ T4515] ? kobject_add+0x230/0x230
[ 191.890095][ T4515] ? __init_swait_queue_head+0xa5/0x150
[ 191.897125][ T4515] gfs2_sys_fs_add+0x24f/0x4b0
[ 191.902398][ T4515] ? gfs2_recover_set+0x240/0x240
[ 191.908348][ T4515] ? snprintf+0xe5/0x140
[ 191.914201][ T4515] ? __free_pages+0x95/0x1a0
[ 191.919387][ T4515] ? vscnprintf+0x80/0x80
[ 191.925838][ T4515] gfs2_fill_super+0x120f/0x1f00
[ 191.932443][ T4515] ? gfs2_reconfigure+0xd30/0xd30
[ 191.938538][ T4515] ? sb_set_blocksize+0xa5/0xe0
[ 191.943673][ T4515] get_tree_bdev+0x3f1/0x610
[ 191.950032][ T4515] ? gfs2_reconfigure+0xd30/0xd30
[ 191.956054][ T4515] gfs2_get_tree+0x4d/0x1e0
[ 191.961434][ T4515] vfs_get_tree+0x88/0x270
[ 191.966516][ T4515] do_new_mount+0x24a/0xa40
[ 191.973048][ T4515] __se_sys_mount+0x2e3/0x3d0
[ 191.980447][ T4515] ? __x64_sys_mount+0xc0/0xc0
[ 191.985862][ T4515] ? lockdep_hardirqs_on+0x94/0x140
[ 191.992555][ T4515] ? __x64_sys_mount+0x1c/0xc0
[ 191.997902][ T4515] do_syscall_64+0x4c/0xa0
[ 192.003191][ T4515] ? clear_bhb_loop+0x30/0x80
[ 192.009039][ T4515] ? clear_bhb_loop+0x30/0x80
[ 192.014530][ T4515] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 192.022517][ T4515] RIP: 0033:0x7fba68f98f4a
[ 192.027568][ T4515] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 192.052404][ T4515] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 192.063177][ T4515] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 192.073534][ T4515] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 192.083417][ T4515] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 192.095228][ T4515] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 192.105156][ T4515] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 192.114275][ T4515]
[ 192.127287][ T4515] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 192.144509][ T4515] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 192.470866][ T4516] loop1: detected capacity change from 0 to 32768
[ 192.528227][ T4516] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 192.538286][ T4516] CPU: 0 PID: 4516 Comm: syz.1.175 Not tainted syzkaller #0
[ 192.549386][ T4516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 192.561796][ T4516] Call Trace:
[ 192.567003][ T4516]
[ 192.570319][ T4516] dump_stack_lvl+0x188/0x250
[ 192.576253][ T4516] ? show_regs_print_info+0x20/0x20
[ 192.583123][ T4516] ? load_image+0x400/0x400
[ 192.589176][ T4516] sysfs_create_dir_ns+0x26a/0x290
[ 192.596516][ T4516] ? sysfs_warn_dup+0xa0/0xa0
[ 192.603208][ T4516] ? do_raw_spin_unlock+0x11d/0x230
[ 192.610014][ T4516] kobject_add_internal+0x6e0/0xd90
[ 192.617400][ T4516] kobject_init_and_add+0x128/0x190
[ 192.623898][ T4516] ? lockdep_softirqs_off+0x430/0x430
[ 192.631084][ T4516] ? kobject_add+0x230/0x230
[ 192.637284][ T4516] ? __init_swait_queue_head+0xa5/0x150
[ 192.645544][ T4516] gfs2_sys_fs_add+0x24f/0x4b0
[ 192.651548][ T4516] ? gfs2_recover_set+0x240/0x240
[ 192.659219][ T4516] ? snprintf+0xe5/0x140
[ 192.664231][ T4516] ? __free_pages+0x95/0x1a0
[ 192.671561][ T4516] ? vscnprintf+0x80/0x80
[ 192.679964][ T4516] gfs2_fill_super+0x120f/0x1f00
[ 192.686831][ T4516] ? gfs2_reconfigure+0xd30/0xd30
[ 192.694082][ T4516] ? sb_set_blocksize+0xa5/0xe0
[ 192.699571][ T4516] get_tree_bdev+0x3f1/0x610
[ 192.706066][ T4516] ? gfs2_reconfigure+0xd30/0xd30
[ 192.712355][ T4516] gfs2_get_tree+0x4d/0x1e0
[ 192.717786][ T4516] vfs_get_tree+0x88/0x270
[ 192.724830][ T4516] do_new_mount+0x24a/0xa40
[ 192.730331][ T4516] __se_sys_mount+0x2e3/0x3d0
[ 192.736046][ T4516] ? __x64_sys_mount+0xc0/0xc0
[ 192.742779][ T4516] ? lockdep_hardirqs_on+0x94/0x140
[ 192.750042][ T4516] ? __x64_sys_mount+0x1c/0xc0
[ 192.755843][ T4516] do_syscall_64+0x4c/0xa0
[ 192.760881][ T4516] ? clear_bhb_loop+0x30/0x80
[ 192.766997][ T4516] ? clear_bhb_loop+0x30/0x80
[ 192.773076][ T4516] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 192.784065][ T4516] RIP: 0033:0x7fba68f98f4a
[ 192.792298][ T4516] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 192.818725][ T4516] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 192.830030][ T4516] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 192.840530][ T4516] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 192.850428][ T4516] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 192.865830][ T4516] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 192.876580][ T4516] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 192.886723][ T4516]
[ 192.892005][ T4516] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 192.909264][ T4516] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 193.263652][ T4517] loop1: detected capacity change from 0 to 32768
[ 193.327358][ T4517] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 193.338754][ T4517] CPU: 1 PID: 4517 Comm: syz.1.176 Not tainted syzkaller #0
[ 193.347785][ T4517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 193.360056][ T4517] Call Trace:
[ 193.363805][ T4517]
[ 193.367401][ T4517] dump_stack_lvl+0x188/0x250
[ 193.372384][ T4517] ? show_regs_print_info+0x20/0x20
[ 193.380097][ T4517] ? load_image+0x400/0x400
[ 193.385755][ T4517] sysfs_create_dir_ns+0x26a/0x290
[ 193.391836][ T4517] ? sysfs_warn_dup+0xa0/0xa0
[ 193.397124][ T4517] ? do_raw_spin_unlock+0x11d/0x230
[ 193.402842][ T4517] kobject_add_internal+0x6e0/0xd90
[ 193.408253][ T4517] kobject_init_and_add+0x128/0x190
[ 193.414326][ T4517] ? lockdep_softirqs_off+0x430/0x430
[ 193.420969][ T4517] ? kobject_add+0x230/0x230
[ 193.426334][ T4517] ? __init_swait_queue_head+0xa5/0x150
[ 193.433166][ T4517] gfs2_sys_fs_add+0x24f/0x4b0
[ 193.440507][ T4517] ? gfs2_recover_set+0x240/0x240
[ 193.446745][ T4517] ? snprintf+0xe5/0x140
[ 193.452027][ T4517] ? __free_pages+0x95/0x1a0
[ 193.458849][ T4517] ? vscnprintf+0x80/0x80
[ 193.464301][ T4517] gfs2_fill_super+0x120f/0x1f00
[ 193.471799][ T4517] ? gfs2_reconfigure+0xd30/0xd30
[ 193.478904][ T4517] ? sb_set_blocksize+0xa5/0xe0
[ 193.485393][ T4517] get_tree_bdev+0x3f1/0x610
[ 193.491358][ T4517] ? gfs2_reconfigure+0xd30/0xd30
[ 193.497341][ T4517] gfs2_get_tree+0x4d/0x1e0
[ 193.503050][ T4517] vfs_get_tree+0x88/0x270
[ 193.508175][ T4517] do_new_mount+0x24a/0xa40
[ 193.513235][ T4517] __se_sys_mount+0x2e3/0x3d0
[ 193.521162][ T4517] ? __x64_sys_mount+0xc0/0xc0
[ 193.526754][ T4517] ? lockdep_hardirqs_on+0x94/0x140
[ 193.533644][ T4517] ? __x64_sys_mount+0x1c/0xc0
[ 193.539815][ T4517] do_syscall_64+0x4c/0xa0
[ 193.546714][ T4517] ? clear_bhb_loop+0x30/0x80
[ 193.553224][ T4517] ? clear_bhb_loop+0x30/0x80
[ 193.558974][ T4517] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 193.566371][ T4517] RIP: 0033:0x7fba68f98f4a
[ 193.572736][ T4517] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 193.599031][ T4517] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 193.609635][ T4517] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 193.619489][ T4517] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 193.629789][ T4517] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 193.639452][ T4517] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 193.649268][ T4517] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 193.662181][ T4517]
[ 193.667673][ T4517] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 193.687124][ T4517] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 194.019739][ T4518] loop1: detected capacity change from 0 to 32768
[ 194.033892][ T4518] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 194.046329][ T4518] CPU: 0 PID: 4518 Comm: syz.1.177 Not tainted syzkaller #0
[ 194.054562][ T4518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 194.069722][ T4518] Call Trace:
[ 194.073313][ T4518]
[ 194.076877][ T4518] dump_stack_lvl+0x188/0x250
[ 194.081888][ T4518] ? show_regs_print_info+0x20/0x20
[ 194.088651][ T4518] ? load_image+0x400/0x400
[ 194.095832][ T4518] sysfs_create_dir_ns+0x26a/0x290
[ 194.103480][ T4518] ? sysfs_warn_dup+0xa0/0xa0
[ 194.111037][ T4518] ? do_raw_spin_unlock+0x11d/0x230
[ 194.117501][ T4518] kobject_add_internal+0x6e0/0xd90
[ 194.123441][ T4518] kobject_init_and_add+0x128/0x190
[ 194.129675][ T4518] ? lockdep_softirqs_off+0x430/0x430
[ 194.137603][ T4518] ? kobject_add+0x230/0x230
[ 194.144398][ T4518] ? __init_swait_queue_head+0xa5/0x150
[ 194.151414][ T4518] gfs2_sys_fs_add+0x24f/0x4b0
[ 194.158536][ T4518] ? gfs2_recover_set+0x240/0x240
[ 194.164761][ T4518] ? snprintf+0xe5/0x140
[ 194.170726][ T4518] ? __free_pages+0x95/0x1a0
[ 194.177345][ T4518] ? vscnprintf+0x80/0x80
[ 194.182012][ T4518] gfs2_fill_super+0x120f/0x1f00
[ 194.189694][ T4518] ? gfs2_reconfigure+0xd30/0xd30
[ 194.195990][ T4518] ? sb_set_blocksize+0xa5/0xe0
[ 194.202367][ T4518] get_tree_bdev+0x3f1/0x610
[ 194.208508][ T4518] ? gfs2_reconfigure+0xd30/0xd30
[ 194.214931][ T4518] gfs2_get_tree+0x4d/0x1e0
[ 194.221862][ T4518] vfs_get_tree+0x88/0x270
[ 194.227741][ T4518] do_new_mount+0x24a/0xa40
[ 194.232556][ T4518] __se_sys_mount+0x2e3/0x3d0
[ 194.238986][ T4518] ? __x64_sys_mount+0xc0/0xc0
[ 194.245649][ T4518] ? lockdep_hardirqs_on+0x94/0x140
[ 194.253455][ T4518] ? __x64_sys_mount+0x1c/0xc0
[ 194.259008][ T4518] do_syscall_64+0x4c/0xa0
[ 194.264526][ T4518] ? clear_bhb_loop+0x30/0x80
[ 194.270787][ T4518] ? clear_bhb_loop+0x30/0x80
[ 194.276199][ T4518] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 194.284419][ T4518] RIP: 0033:0x7fba68f98f4a
[ 194.290121][ T4518] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 194.312167][ T4518] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 194.324289][ T4518] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 194.333726][ T4518] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 194.343088][ T4518] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 194.353308][ T4518] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 194.364421][ T4518] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 194.376325][ T4518]
[ 194.393849][ T1420] ieee802154 phy0 wpan0: encryption failed: -22
[ 194.397668][ T4518] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 194.421013][ T1420] ieee802154 phy1 wpan1: encryption failed: -22
[ 194.431468][ T4518] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 194.790329][ T4519] loop1: detected capacity change from 0 to 32768
[ 194.848656][ T4519] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 194.857069][ T4519] CPU: 0 PID: 4519 Comm: syz.1.178 Not tainted syzkaller #0
[ 194.866335][ T4519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 194.877838][ T4519] Call Trace:
[ 194.881758][ T4519]
[ 194.884900][ T4519] dump_stack_lvl+0x188/0x250
[ 194.889994][ T4519] ? show_regs_print_info+0x20/0x20
[ 194.896849][ T4519] ? load_image+0x400/0x400
[ 194.902692][ T4519] sysfs_create_dir_ns+0x26a/0x290
[ 194.908849][ T4519] ? sysfs_warn_dup+0xa0/0xa0
[ 194.919098][ T4519] ? do_raw_spin_unlock+0x11d/0x230
[ 194.924810][ T4519] kobject_add_internal+0x6e0/0xd90
[ 194.931436][ T4519] kobject_init_and_add+0x128/0x190
[ 194.937980][ T4519] ? lockdep_softirqs_off+0x430/0x430
[ 194.945129][ T4519] ? kobject_add+0x230/0x230
[ 194.950149][ T4519] ? __init_swait_queue_head+0xa5/0x150
[ 194.957618][ T4519] gfs2_sys_fs_add+0x24f/0x4b0
[ 194.964795][ T4519] ? gfs2_recover_set+0x240/0x240
[ 194.973172][ T4519] ? snprintf+0xe5/0x140
[ 194.979676][ T4519] ? __free_pages+0x95/0x1a0
[ 194.986155][ T4519] ? vscnprintf+0x80/0x80
[ 194.993996][ T4519] gfs2_fill_super+0x120f/0x1f00
[ 195.000061][ T4519] ? gfs2_reconfigure+0xd30/0xd30
[ 195.006285][ T4519] ? sb_set_blocksize+0xa5/0xe0
[ 195.012221][ T4519] get_tree_bdev+0x3f1/0x610
[ 195.017843][ T4519] ? gfs2_reconfigure+0xd30/0xd30
[ 195.024971][ T4519] gfs2_get_tree+0x4d/0x1e0
[ 195.030652][ T4519] vfs_get_tree+0x88/0x270
[ 195.036275][ T4519] do_new_mount+0x24a/0xa40
[ 195.042308][ T4519] __se_sys_mount+0x2e3/0x3d0
[ 195.048966][ T4519] ? __x64_sys_mount+0xc0/0xc0
[ 195.054468][ T4519] ? lockdep_hardirqs_on+0x94/0x140
[ 195.061620][ T4519] ? __x64_sys_mount+0x1c/0xc0
[ 195.067479][ T4519] do_syscall_64+0x4c/0xa0
[ 195.072260][ T4519] ? clear_bhb_loop+0x30/0x80
[ 195.078769][ T4519] ? clear_bhb_loop+0x30/0x80
[ 195.085785][ T4519] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 195.092680][ T4519] RIP: 0033:0x7fba68f98f4a
[ 195.098246][ T4519] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 195.126790][ T4519] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 195.138963][ T4519] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 195.147866][ T4519] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 195.157469][ T4519] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 195.166998][ T4519] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 195.175843][ T4519] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 195.186781][ T4519]
[ 195.192705][ T4519] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 195.209464][ T4519] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/25 02:58:44 executed programs: 164
[ 195.552687][ T4520] loop1: detected capacity change from 0 to 32768
[ 195.618707][ T4520] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 195.629158][ T4520] CPU: 0 PID: 4520 Comm: syz.1.179 Not tainted syzkaller #0
[ 195.638288][ T4520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 195.653746][ T4520] Call Trace:
[ 195.658785][ T4520]
[ 195.662612][ T4520] dump_stack_lvl+0x188/0x250
[ 195.668591][ T4520] ? show_regs_print_info+0x20/0x20
[ 195.675848][ T4520] ? load_image+0x400/0x400
[ 195.681634][ T4520] sysfs_create_dir_ns+0x26a/0x290
[ 195.688384][ T4520] ? sysfs_warn_dup+0xa0/0xa0
[ 195.693718][ T4520] ? do_raw_spin_unlock+0x11d/0x230
[ 195.701408][ T4520] kobject_add_internal+0x6e0/0xd90
[ 195.709258][ T4520] kobject_init_and_add+0x128/0x190
[ 195.715024][ T4520] ? lockdep_softirqs_off+0x430/0x430
[ 195.722735][ T4520] ? kobject_add+0x230/0x230
[ 195.728445][ T4520] ? __init_swait_queue_head+0xa5/0x150
[ 195.735458][ T4520] gfs2_sys_fs_add+0x24f/0x4b0
[ 195.742636][ T4520] ? gfs2_recover_set+0x240/0x240
[ 195.748840][ T4520] ? snprintf+0xe5/0x140
[ 195.753688][ T4520] ? __free_pages+0x95/0x1a0
[ 195.759124][ T4520] ? vscnprintf+0x80/0x80
[ 195.765126][ T4520] gfs2_fill_super+0x120f/0x1f00
[ 195.770481][ T4520] ? gfs2_reconfigure+0xd30/0xd30
[ 195.776460][ T4520] ? sb_set_blocksize+0xa5/0xe0
[ 195.782205][ T4520] get_tree_bdev+0x3f1/0x610
[ 195.789731][ T4520] ? gfs2_reconfigure+0xd30/0xd30
[ 195.796054][ T4520] gfs2_get_tree+0x4d/0x1e0
[ 195.800859][ T4520] vfs_get_tree+0x88/0x270
[ 195.805908][ T4520] do_new_mount+0x24a/0xa40
[ 195.811608][ T4520] __se_sys_mount+0x2e3/0x3d0
[ 195.818417][ T4520] ? __x64_sys_mount+0xc0/0xc0
[ 195.823678][ T4520] ? lockdep_hardirqs_on+0x94/0x140
[ 195.830377][ T4520] ? __x64_sys_mount+0x1c/0xc0
[ 195.836310][ T4520] do_syscall_64+0x4c/0xa0
[ 195.842012][ T4520] ? clear_bhb_loop+0x30/0x80
[ 195.848155][ T4520] ? clear_bhb_loop+0x30/0x80
[ 195.853897][ T4520] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 195.862149][ T4520] RIP: 0033:0x7fba68f98f4a
[ 195.870472][ T4520] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 195.898725][ T4520] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 195.908889][ T4520] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 195.920086][ T4520] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 195.930731][ T4520] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 195.942980][ T4520] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 195.951905][ T4520] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 195.960901][ T4520]
[ 195.968099][ T4520] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 195.984399][ T4520] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 196.320252][ T4521] loop1: detected capacity change from 0 to 32768
[ 196.339444][ T4521] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 196.349079][ T4521] CPU: 0 PID: 4521 Comm: syz.1.180 Not tainted syzkaller #0
[ 196.358619][ T4521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 196.371070][ T4521] Call Trace:
[ 196.374463][ T4521]
[ 196.378068][ T4521] dump_stack_lvl+0x188/0x250
[ 196.385154][ T4521] ? show_regs_print_info+0x20/0x20
[ 196.392227][ T4521] ? load_image+0x400/0x400
[ 196.398802][ T4521] sysfs_create_dir_ns+0x26a/0x290
[ 196.405820][ T4521] ? sysfs_warn_dup+0xa0/0xa0
[ 196.411429][ T4521] ? do_raw_spin_unlock+0x11d/0x230
[ 196.418942][ T4521] kobject_add_internal+0x6e0/0xd90
[ 196.425218][ T4521] kobject_init_and_add+0x128/0x190
[ 196.432867][ T4521] ? lockdep_softirqs_off+0x430/0x430
[ 196.440188][ T4521] ? kobject_add+0x230/0x230
[ 196.447342][ T4521] ? __init_swait_queue_head+0xa5/0x150
[ 196.455612][ T4521] gfs2_sys_fs_add+0x24f/0x4b0
[ 196.460852][ T4521] ? gfs2_recover_set+0x240/0x240
[ 196.466823][ T4521] ? snprintf+0xe5/0x140
[ 196.472413][ T4521] ? __free_pages+0x95/0x1a0
[ 196.477674][ T4521] ? vscnprintf+0x80/0x80
[ 196.483649][ T4521] gfs2_fill_super+0x120f/0x1f00
[ 196.489786][ T4521] ? gfs2_reconfigure+0xd30/0xd30
[ 196.495415][ T4521] ? sb_set_blocksize+0xa5/0xe0
[ 196.500581][ T4521] get_tree_bdev+0x3f1/0x610
[ 196.507148][ T4521] ? gfs2_reconfigure+0xd30/0xd30
[ 196.513144][ T4521] gfs2_get_tree+0x4d/0x1e0
[ 196.520364][ T4521] vfs_get_tree+0x88/0x270
[ 196.525605][ T4521] do_new_mount+0x24a/0xa40
[ 196.532168][ T4521] __se_sys_mount+0x2e3/0x3d0
[ 196.538181][ T4521] ? __x64_sys_mount+0xc0/0xc0
[ 196.545375][ T4521] ? lockdep_hardirqs_on+0x94/0x140
[ 196.552925][ T4521] ? __x64_sys_mount+0x1c/0xc0
[ 196.559245][ T4521] do_syscall_64+0x4c/0xa0
[ 196.566140][ T4521] ? clear_bhb_loop+0x30/0x80
[ 196.572842][ T4521] ? clear_bhb_loop+0x30/0x80
[ 196.579781][ T4521] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 196.587273][ T4521] RIP: 0033:0x7fba68f98f4a
[ 196.592532][ T4521] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 196.622012][ T4521] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 196.634034][ T4521] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 196.644369][ T4521] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 196.654533][ T4521] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 196.666011][ T4521] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 196.677128][ T4521] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 196.687369][ T4521]
[ 196.698896][ T4521] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 196.716433][ T4521] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 197.040053][ T4522] loop1: detected capacity change from 0 to 32768
[ 197.095974][ T4522] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 197.105934][ T4522] CPU: 0 PID: 4522 Comm: syz.1.181 Not tainted syzkaller #0
[ 197.113907][ T4522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 197.125915][ T4522] Call Trace:
[ 197.130288][ T4522]
[ 197.133946][ T4522] dump_stack_lvl+0x188/0x250
[ 197.139636][ T4522] ? show_regs_print_info+0x20/0x20
[ 197.145785][ T4522] ? load_image+0x400/0x400
[ 197.151378][ T4522] sysfs_create_dir_ns+0x26a/0x290
[ 197.158708][ T4522] ? sysfs_warn_dup+0xa0/0xa0
[ 197.164305][ T4522] ? do_raw_spin_unlock+0x11d/0x230
[ 197.170783][ T4522] kobject_add_internal+0x6e0/0xd90
[ 197.177644][ T4522] kobject_init_and_add+0x128/0x190
[ 197.184998][ T4522] ? lockdep_softirqs_off+0x430/0x430
[ 197.191577][ T4522] ? kobject_add+0x230/0x230
[ 197.197268][ T4522] ? __init_swait_queue_head+0xa5/0x150
[ 197.204251][ T4522] gfs2_sys_fs_add+0x24f/0x4b0
[ 197.209526][ T4522] ? gfs2_recover_set+0x240/0x240
[ 197.215685][ T4522] ? snprintf+0xe5/0x140
[ 197.220631][ T4522] ? __free_pages+0x95/0x1a0
[ 197.226182][ T4522] ? vscnprintf+0x80/0x80
[ 197.231000][ T4522] gfs2_fill_super+0x120f/0x1f00
[ 197.238035][ T4522] ? gfs2_reconfigure+0xd30/0xd30
[ 197.244009][ T4522] ? sb_set_blocksize+0xa5/0xe0
[ 197.251950][ T4522] get_tree_bdev+0x3f1/0x610
[ 197.258586][ T4522] ? gfs2_reconfigure+0xd30/0xd30
[ 197.265376][ T4522] gfs2_get_tree+0x4d/0x1e0
[ 197.272160][ T4522] vfs_get_tree+0x88/0x270
[ 197.277240][ T4522] do_new_mount+0x24a/0xa40
[ 197.282103][ T4522] __se_sys_mount+0x2e3/0x3d0
[ 197.290641][ T4522] ? __x64_sys_mount+0xc0/0xc0
[ 197.297052][ T4522] ? lockdep_hardirqs_on+0x94/0x140
[ 197.304744][ T4522] ? __x64_sys_mount+0x1c/0xc0
[ 197.310532][ T4522] do_syscall_64+0x4c/0xa0
[ 197.316305][ T4522] ? clear_bhb_loop+0x30/0x80
[ 197.323412][ T4522] ? clear_bhb_loop+0x30/0x80
[ 197.329952][ T4522] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 197.338327][ T4522] RIP: 0033:0x7fba68f98f4a
[ 197.344465][ T4522] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 197.372747][ T4522] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 197.384092][ T4522] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 197.393512][ T4522] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 197.405067][ T4522] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 197.416757][ T4522] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 197.429029][ T4522] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 197.441038][ T4522]
[ 197.447616][ T4522] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 197.465293][ T4522] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 197.807082][ T4523] loop1: detected capacity change from 0 to 32768
[ 197.878384][ T4523] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 197.887058][ T4523] CPU: 1 PID: 4523 Comm: syz.1.182 Not tainted syzkaller #0
[ 197.895407][ T4523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 197.907545][ T4523] Call Trace:
[ 197.911990][ T4523]
[ 197.916280][ T4523] dump_stack_lvl+0x188/0x250
[ 197.922421][ T4523] ? show_regs_print_info+0x20/0x20
[ 197.928603][ T4523] ? load_image+0x400/0x400
[ 197.934220][ T4523] sysfs_create_dir_ns+0x26a/0x290
[ 197.939703][ T4523] ? sysfs_warn_dup+0xa0/0xa0
[ 197.945441][ T4523] ? do_raw_spin_unlock+0x11d/0x230
[ 197.951473][ T4523] kobject_add_internal+0x6e0/0xd90
[ 197.956954][ T4523] kobject_init_and_add+0x128/0x190
[ 197.962334][ T4523] ? lockdep_softirqs_off+0x430/0x430
[ 197.968145][ T4523] ? kobject_add+0x230/0x230
[ 197.973194][ T4523] ? __init_swait_queue_head+0xa5/0x150
[ 197.979267][ T4523] gfs2_sys_fs_add+0x24f/0x4b0
[ 197.984244][ T4523] ? gfs2_recover_set+0x240/0x240
[ 197.989550][ T4523] ? snprintf+0xe5/0x140
[ 197.993874][ T4523] ? __free_pages+0x95/0x1a0
[ 197.999044][ T4523] ? vscnprintf+0x80/0x80
[ 198.003378][ T4523] gfs2_fill_super+0x120f/0x1f00
[ 198.008929][ T4523] ? gfs2_reconfigure+0xd30/0xd30
[ 198.014401][ T4523] ? sb_set_blocksize+0xa5/0xe0
[ 198.020526][ T4523] get_tree_bdev+0x3f1/0x610
[ 198.026255][ T4523] ? gfs2_reconfigure+0xd30/0xd30
[ 198.032332][ T4523] gfs2_get_tree+0x4d/0x1e0
[ 198.037043][ T4523] vfs_get_tree+0x88/0x270
[ 198.042154][ T4523] do_new_mount+0x24a/0xa40
[ 198.047449][ T4523] __se_sys_mount+0x2e3/0x3d0
[ 198.052991][ T4523] ? __x64_sys_mount+0xc0/0xc0
[ 198.058516][ T4523] ? lockdep_hardirqs_on+0x94/0x140
[ 198.064480][ T4523] ? __x64_sys_mount+0x1c/0xc0
[ 198.069620][ T4523] do_syscall_64+0x4c/0xa0
[ 198.074853][ T4523] ? clear_bhb_loop+0x30/0x80
[ 198.081069][ T4523] ? clear_bhb_loop+0x30/0x80
[ 198.086200][ T4523] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 198.092744][ T4523] RIP: 0033:0x7fba68f98f4a
[ 198.098149][ T4523] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 198.120061][ T4523] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 198.131660][ T4523] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 198.142422][ T4523] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 198.151790][ T4523] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 198.160850][ T4523] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 198.176241][ T4523] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 198.187785][ T4523]
[ 198.193341][ T4523] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 198.209646][ T4523] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 198.545656][ T4524] loop1: detected capacity change from 0 to 32768
[ 198.595769][ T4524] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 198.604898][ T4524] CPU: 1 PID: 4524 Comm: syz.1.183 Not tainted syzkaller #0
[ 198.612920][ T4524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 198.625147][ T4524] Call Trace:
[ 198.629476][ T4524]
[ 198.632947][ T4524] dump_stack_lvl+0x188/0x250
[ 198.638027][ T4524] ? show_regs_print_info+0x20/0x20
[ 198.643779][ T4524] ? load_image+0x400/0x400
[ 198.648679][ T4524] sysfs_create_dir_ns+0x26a/0x290
[ 198.654603][ T4524] ? sysfs_warn_dup+0xa0/0xa0
[ 198.660698][ T4524] ? do_raw_spin_unlock+0x11d/0x230
[ 198.667162][ T4524] kobject_add_internal+0x6e0/0xd90
[ 198.674445][ T4524] kobject_init_and_add+0x128/0x190
[ 198.680042][ T4524] ? lockdep_softirqs_off+0x430/0x430
[ 198.687136][ T4524] ? kobject_add+0x230/0x230
[ 198.693009][ T4524] ? __init_swait_queue_head+0xa5/0x150
[ 198.701682][ T4524] gfs2_sys_fs_add+0x24f/0x4b0
[ 198.708271][ T4524] ? gfs2_recover_set+0x240/0x240
[ 198.714838][ T4524] ? snprintf+0xe5/0x140
[ 198.719676][ T4524] ? __free_pages+0x95/0x1a0
[ 198.725698][ T4524] ? vscnprintf+0x80/0x80
[ 198.732810][ T4524] gfs2_fill_super+0x120f/0x1f00
[ 198.738818][ T4524] ? gfs2_reconfigure+0xd30/0xd30
[ 198.744856][ T4524] ? sb_set_blocksize+0xa5/0xe0
[ 198.750153][ T4524] get_tree_bdev+0x3f1/0x610
[ 198.756233][ T4524] ? gfs2_reconfigure+0xd30/0xd30
[ 198.762623][ T4524] gfs2_get_tree+0x4d/0x1e0
[ 198.768721][ T4524] vfs_get_tree+0x88/0x270
[ 198.773629][ T4524] do_new_mount+0x24a/0xa40
[ 198.780113][ T4524] __se_sys_mount+0x2e3/0x3d0
[ 198.786155][ T4524] ? __x64_sys_mount+0xc0/0xc0
[ 198.793880][ T4524] ? lockdep_hardirqs_on+0x94/0x140
[ 198.799793][ T4524] ? __x64_sys_mount+0x1c/0xc0
[ 198.804759][ T4524] do_syscall_64+0x4c/0xa0
[ 198.810754][ T4524] ? clear_bhb_loop+0x30/0x80
[ 198.816337][ T4524] ? clear_bhb_loop+0x30/0x80
[ 198.822062][ T4524] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 198.831003][ T4524] RIP: 0033:0x7fba68f98f4a
[ 198.835966][ T4524] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 198.862514][ T4524] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 198.872716][ T4524] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 198.882108][ T4524] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 198.891080][ T4524] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 198.902168][ T4524] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 198.913584][ T4524] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 198.924287][ T4524]
[ 198.929515][ T4524] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 198.950570][ T4524] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 199.290325][ T4525] loop1: detected capacity change from 0 to 32768
[ 199.373950][ T4525] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 199.386823][ T4525] CPU: 0 PID: 4525 Comm: syz.1.184 Not tainted syzkaller #0
[ 199.396773][ T4525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 199.408161][ T4525] Call Trace:
[ 199.412296][ T4525]
[ 199.416037][ T4525] dump_stack_lvl+0x188/0x250
[ 199.421007][ T4525] ? show_regs_print_info+0x20/0x20
[ 199.428143][ T4525] ? load_image+0x400/0x400
[ 199.435569][ T4525] sysfs_create_dir_ns+0x26a/0x290
[ 199.441581][ T4525] ? sysfs_warn_dup+0xa0/0xa0
[ 199.447423][ T4525] ? do_raw_spin_unlock+0x11d/0x230
[ 199.453091][ T4525] kobject_add_internal+0x6e0/0xd90
[ 199.459008][ T4525] kobject_init_and_add+0x128/0x190
[ 199.465833][ T4525] ? lockdep_softirqs_off+0x430/0x430
[ 199.471960][ T4525] ? kobject_add+0x230/0x230
[ 199.478682][ T4525] ? __init_swait_queue_head+0xa5/0x150
[ 199.486799][ T4525] gfs2_sys_fs_add+0x24f/0x4b0
[ 199.493163][ T4525] ? gfs2_recover_set+0x240/0x240
[ 199.501360][ T4525] ? snprintf+0xe5/0x140
[ 199.507718][ T4525] ? __free_pages+0x95/0x1a0
[ 199.513922][ T4525] ? vscnprintf+0x80/0x80
[ 199.519641][ T4525] gfs2_fill_super+0x120f/0x1f00
[ 199.526134][ T4525] ? gfs2_reconfigure+0xd30/0xd30
[ 199.533831][ T4525] ? sb_set_blocksize+0xa5/0xe0
[ 199.540165][ T4525] get_tree_bdev+0x3f1/0x610
[ 199.546730][ T4525] ? gfs2_reconfigure+0xd30/0xd30
[ 199.551971][ T4525] gfs2_get_tree+0x4d/0x1e0
[ 199.557629][ T4525] vfs_get_tree+0x88/0x270
[ 199.563545][ T4525] do_new_mount+0x24a/0xa40
[ 199.569634][ T4525] __se_sys_mount+0x2e3/0x3d0
[ 199.575671][ T4525] ? __x64_sys_mount+0xc0/0xc0
[ 199.583107][ T4525] ? lockdep_hardirqs_on+0x94/0x140
[ 199.590599][ T4525] ? __x64_sys_mount+0x1c/0xc0
[ 199.595627][ T4525] do_syscall_64+0x4c/0xa0
[ 199.600971][ T4525] ? clear_bhb_loop+0x30/0x80
[ 199.607077][ T4525] ? clear_bhb_loop+0x30/0x80
[ 199.612047][ T4525] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 199.618305][ T4525] RIP: 0033:0x7fba68f98f4a
[ 199.623286][ T4525] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 199.647284][ T4525] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 199.656897][ T4525] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 199.666323][ T4525] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 199.676601][ T4525] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 199.685752][ T4525] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 199.693917][ T4525] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 199.704280][ T4525]
[ 199.711461][ T4525] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 199.726356][ T4525] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 200.052792][ T4526] loop1: detected capacity change from 0 to 32768
[ 200.108545][ T4526] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 200.116158][ T4526] CPU: 1 PID: 4526 Comm: syz.1.185 Not tainted syzkaller #0
[ 200.123891][ T4526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 200.134416][ T4526] Call Trace:
[ 200.137800][ T4526]
[ 200.140835][ T4526] dump_stack_lvl+0x188/0x250
[ 200.145889][ T4526] ? show_regs_print_info+0x20/0x20
[ 200.152329][ T4526] ? load_image+0x400/0x400
[ 200.157304][ T4526] sysfs_create_dir_ns+0x26a/0x290
[ 200.163186][ T4526] ? sysfs_warn_dup+0xa0/0xa0
[ 200.169686][ T4526] ? do_raw_spin_unlock+0x11d/0x230
[ 200.175354][ T4526] kobject_add_internal+0x6e0/0xd90
[ 200.182012][ T4526] kobject_init_and_add+0x128/0x190
[ 200.187632][ T4526] ? lockdep_softirqs_off+0x430/0x430
[ 200.193203][ T4526] ? kobject_add+0x230/0x230
[ 200.198546][ T4526] ? __init_swait_queue_head+0xa5/0x150
[ 200.204391][ T4526] gfs2_sys_fs_add+0x24f/0x4b0
[ 200.209544][ T4526] ? gfs2_recover_set+0x240/0x240
[ 200.214844][ T4526] ? snprintf+0xe5/0x140
[ 200.219457][ T4526] ? __free_pages+0x95/0x1a0
[ 200.225542][ T4526] ? vscnprintf+0x80/0x80
[ 200.230132][ T4526] gfs2_fill_super+0x120f/0x1f00
[ 200.235565][ T4526] ? gfs2_reconfigure+0xd30/0xd30
[ 200.241643][ T4526] ? sb_set_blocksize+0xa5/0xe0
[ 200.247239][ T4526] get_tree_bdev+0x3f1/0x610
[ 200.253149][ T4526] ? gfs2_reconfigure+0xd30/0xd30
[ 200.258651][ T4526] gfs2_get_tree+0x4d/0x1e0
[ 200.263631][ T4526] vfs_get_tree+0x88/0x270
[ 200.268235][ T4526] do_new_mount+0x24a/0xa40
[ 200.274239][ T4526] __se_sys_mount+0x2e3/0x3d0
[ 200.279345][ T4526] ? __x64_sys_mount+0xc0/0xc0
[ 200.284139][ T4526] ? lockdep_hardirqs_on+0x94/0x140
[ 200.289825][ T4526] ? __x64_sys_mount+0x1c/0xc0
[ 200.294769][ T4526] do_syscall_64+0x4c/0xa0
[ 200.299180][ T4526] ? clear_bhb_loop+0x30/0x80
[ 200.303873][ T4526] ? clear_bhb_loop+0x30/0x80
[ 200.309194][ T4526] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 200.315586][ T4526] RIP: 0033:0x7fba68f98f4a
[ 200.320259][ T4526] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 200.342020][ T4526] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 200.351232][ T4526] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 200.359372][ T4526] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 200.368818][ T4526] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 200.378049][ T4526] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 200.387258][ T4526] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 200.396068][ T4526]
[ 200.400942][ T4526] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 200.417940][ T4526] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/25 02:58:49 executed programs: 171
[ 200.735814][ T4527] loop1: detected capacity change from 0 to 32768
[ 200.777346][ T4527] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 200.786019][ T4527] CPU: 1 PID: 4527 Comm: syz.1.186 Not tainted syzkaller #0
[ 200.794319][ T4527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 200.809932][ T4527] Call Trace:
[ 200.814690][ T4527]
[ 200.817640][ T4527] dump_stack_lvl+0x188/0x250
[ 200.823223][ T4527] ? show_regs_print_info+0x20/0x20
[ 200.829559][ T4527] ? load_image+0x400/0x400
[ 200.834985][ T4527] sysfs_create_dir_ns+0x26a/0x290
[ 200.840574][ T4527] ? sysfs_warn_dup+0xa0/0xa0
[ 200.846531][ T4527] ? do_raw_spin_unlock+0x11d/0x230
[ 200.852117][ T4527] kobject_add_internal+0x6e0/0xd90
[ 200.859244][ T4527] kobject_init_and_add+0x128/0x190
[ 200.865251][ T4527] ? lockdep_softirqs_off+0x430/0x430
[ 200.870998][ T4527] ? kobject_add+0x230/0x230
[ 200.876761][ T4527] ? __init_swait_queue_head+0xa5/0x150
[ 200.883584][ T4527] gfs2_sys_fs_add+0x24f/0x4b0
[ 200.888911][ T4527] ? gfs2_recover_set+0x240/0x240
[ 200.895002][ T4527] ? snprintf+0xe5/0x140
[ 200.899776][ T4527] ? __free_pages+0x95/0x1a0
[ 200.905579][ T4527] ? vscnprintf+0x80/0x80
[ 200.910902][ T4527] gfs2_fill_super+0x120f/0x1f00
[ 200.917600][ T4527] ? gfs2_reconfigure+0xd30/0xd30
[ 200.924315][ T4527] ? sb_set_blocksize+0xa5/0xe0
[ 200.930815][ T4527] get_tree_bdev+0x3f1/0x610
[ 200.936235][ T4527] ? gfs2_reconfigure+0xd30/0xd30
[ 200.943188][ T4527] gfs2_get_tree+0x4d/0x1e0
[ 200.948872][ T4527] vfs_get_tree+0x88/0x270
[ 200.954289][ T4527] do_new_mount+0x24a/0xa40
[ 200.960663][ T4527] __se_sys_mount+0x2e3/0x3d0
[ 200.966392][ T4527] ? __x64_sys_mount+0xc0/0xc0
[ 200.972925][ T4527] ? lockdep_hardirqs_on+0x94/0x140
[ 200.979369][ T4527] ? __x64_sys_mount+0x1c/0xc0
[ 200.985010][ T4527] do_syscall_64+0x4c/0xa0
[ 200.989526][ T4527] ? clear_bhb_loop+0x30/0x80
[ 200.994426][ T4527] ? clear_bhb_loop+0x30/0x80
[ 200.999460][ T4527] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 201.006627][ T4527] RIP: 0033:0x7fba68f98f4a
[ 201.011564][ T4527] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 201.036882][ T4527] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 201.046183][ T4527] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 201.056886][ T4527] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 201.066404][ T4527] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 201.076584][ T4527] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 201.088287][ T4527] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 201.097287][ T4527]
[ 201.102393][ T4527] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 201.119109][ T4527] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 201.446633][ T4528] loop1: detected capacity change from 0 to 32768
[ 201.498192][ T4528] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 201.507819][ T4528] CPU: 0 PID: 4528 Comm: syz.1.187 Not tainted syzkaller #0
[ 201.515345][ T4528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 201.530601][ T4528] Call Trace:
[ 201.534162][ T4528]
[ 201.537197][ T4528] dump_stack_lvl+0x188/0x250
[ 201.542070][ T4528] ? show_regs_print_info+0x20/0x20
[ 201.547935][ T4528] ? load_image+0x400/0x400
[ 201.552651][ T4528] sysfs_create_dir_ns+0x26a/0x290
[ 201.558147][ T4528] ? sysfs_warn_dup+0xa0/0xa0
[ 201.563666][ T4528] ? do_raw_spin_unlock+0x11d/0x230
[ 201.571038][ T4528] kobject_add_internal+0x6e0/0xd90
[ 201.576984][ T4528] kobject_init_and_add+0x128/0x190
[ 201.582853][ T4528] ? lockdep_softirqs_off+0x430/0x430
[ 201.588958][ T4528] ? kobject_add+0x230/0x230
[ 201.594416][ T4528] ? __init_swait_queue_head+0xa5/0x150
[ 201.601506][ T4528] gfs2_sys_fs_add+0x24f/0x4b0
[ 201.606448][ T4528] ? gfs2_recover_set+0x240/0x240
[ 201.612810][ T4528] ? snprintf+0xe5/0x140
[ 201.618347][ T4528] ? __free_pages+0x95/0x1a0
[ 201.623583][ T4528] ? vscnprintf+0x80/0x80
[ 201.628852][ T4528] gfs2_fill_super+0x120f/0x1f00
[ 201.633803][ T4528] ? gfs2_reconfigure+0xd30/0xd30
[ 201.640027][ T4528] ? sb_set_blocksize+0xa5/0xe0
[ 201.645436][ T4528] get_tree_bdev+0x3f1/0x610
[ 201.650505][ T4528] ? gfs2_reconfigure+0xd30/0xd30
[ 201.656310][ T4528] gfs2_get_tree+0x4d/0x1e0
[ 201.663537][ T4528] vfs_get_tree+0x88/0x270
[ 201.668681][ T4528] do_new_mount+0x24a/0xa40
[ 201.673802][ T4528] __se_sys_mount+0x2e3/0x3d0
[ 201.679186][ T4528] ? __x64_sys_mount+0xc0/0xc0
[ 201.686313][ T4528] ? lockdep_hardirqs_on+0x94/0x140
[ 201.693598][ T4528] ? __x64_sys_mount+0x1c/0xc0
[ 201.699801][ T4528] do_syscall_64+0x4c/0xa0
[ 201.705327][ T4528] ? clear_bhb_loop+0x30/0x80
[ 201.712339][ T4528] ? clear_bhb_loop+0x30/0x80
[ 201.719095][ T4528] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 201.726754][ T4528] RIP: 0033:0x7fba68f98f4a
[ 201.732143][ T4528] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 201.757991][ T4528] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 201.768031][ T4528] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 201.776887][ T4528] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 201.786158][ T4528] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 201.795975][ T4528] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 201.806522][ T4528] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 201.816866][ T4528]
[ 201.821551][ T4528] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 201.837131][ T4528] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 202.159528][ T4529] loop1: detected capacity change from 0 to 32768
[ 202.218127][ T4529] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 202.226028][ T4529] CPU: 0 PID: 4529 Comm: syz.1.188 Not tainted syzkaller #0
[ 202.234293][ T4529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 202.245771][ T4529] Call Trace:
[ 202.249684][ T4529]
[ 202.252824][ T4529] dump_stack_lvl+0x188/0x250
[ 202.257520][ T4529] ? show_regs_print_info+0x20/0x20
[ 202.264857][ T4529] ? load_image+0x400/0x400
[ 202.270406][ T4529] sysfs_create_dir_ns+0x26a/0x290
[ 202.276350][ T4529] ? sysfs_warn_dup+0xa0/0xa0
[ 202.282038][ T4529] ? do_raw_spin_unlock+0x11d/0x230
[ 202.289037][ T4529] kobject_add_internal+0x6e0/0xd90
[ 202.294889][ T4529] kobject_init_and_add+0x128/0x190
[ 202.300465][ T4529] ? lockdep_softirqs_off+0x430/0x430
[ 202.305950][ T4529] ? kobject_add+0x230/0x230
[ 202.311079][ T4529] ? __init_swait_queue_head+0xa5/0x150
[ 202.317163][ T4529] gfs2_sys_fs_add+0x24f/0x4b0
[ 202.322341][ T4529] ? gfs2_recover_set+0x240/0x240
[ 202.327477][ T4529] ? snprintf+0xe5/0x140
[ 202.332886][ T4529] ? __free_pages+0x95/0x1a0
[ 202.338458][ T4529] ? vscnprintf+0x80/0x80
[ 202.344354][ T4529] gfs2_fill_super+0x120f/0x1f00
[ 202.351289][ T4529] ? gfs2_reconfigure+0xd30/0xd30
[ 202.358478][ T4529] ? sb_set_blocksize+0xa5/0xe0
[ 202.364051][ T4529] get_tree_bdev+0x3f1/0x610
[ 202.368988][ T4529] ? gfs2_reconfigure+0xd30/0xd30
[ 202.374194][ T4529] gfs2_get_tree+0x4d/0x1e0
[ 202.378963][ T4529] vfs_get_tree+0x88/0x270
[ 202.383495][ T4529] do_new_mount+0x24a/0xa40
[ 202.388575][ T4529] __se_sys_mount+0x2e3/0x3d0
[ 202.393567][ T4529] ? __x64_sys_mount+0xc0/0xc0
[ 202.399348][ T4529] ? lockdep_hardirqs_on+0x94/0x140
[ 202.405075][ T4529] ? __x64_sys_mount+0x1c/0xc0
[ 202.410388][ T4529] do_syscall_64+0x4c/0xa0
[ 202.415203][ T4529] ? clear_bhb_loop+0x30/0x80
[ 202.422003][ T4529] ? clear_bhb_loop+0x30/0x80
[ 202.427071][ T4529] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 202.433078][ T4529] RIP: 0033:0x7fba68f98f4a
[ 202.439114][ T4529] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 202.461799][ T4529] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 202.472061][ T4529] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 202.481017][ T4529] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 202.490211][ T4529] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 202.500065][ T4529] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 202.508923][ T4529] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 202.518524][ T4529]
[ 202.524260][ T4529] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 202.540787][ T4529] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 202.874077][ T4530] loop1: detected capacity change from 0 to 32768
[ 202.991028][ T4530] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 202.998957][ T4530] CPU: 1 PID: 4530 Comm: syz.1.189 Not tainted syzkaller #0
[ 203.006543][ T4530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 203.017565][ T4530] Call Trace:
[ 203.020869][ T4530]
[ 203.023819][ T4530] dump_stack_lvl+0x188/0x250
[ 203.028687][ T4530] ? show_regs_print_info+0x20/0x20
[ 203.034409][ T4530] ? load_image+0x400/0x400
[ 203.038958][ T4530] sysfs_create_dir_ns+0x26a/0x290
[ 203.044091][ T4530] ? sysfs_warn_dup+0xa0/0xa0
[ 203.049223][ T4530] ? do_raw_spin_unlock+0x11d/0x230
[ 203.054966][ T4530] kobject_add_internal+0x6e0/0xd90
[ 203.060991][ T4530] kobject_init_and_add+0x128/0x190
[ 203.068129][ T4530] ? lockdep_softirqs_off+0x430/0x430
[ 203.073744][ T4530] ? kobject_add+0x230/0x230
[ 203.079399][ T4530] ? __init_swait_queue_head+0xa5/0x150
[ 203.087448][ T4530] gfs2_sys_fs_add+0x24f/0x4b0
[ 203.094316][ T4530] ? gfs2_recover_set+0x240/0x240
[ 203.100325][ T4530] ? snprintf+0xe5/0x140
[ 203.105275][ T4530] ? __free_pages+0x95/0x1a0
[ 203.110585][ T4530] ? vscnprintf+0x80/0x80
[ 203.116737][ T4530] gfs2_fill_super+0x120f/0x1f00
[ 203.124628][ T4530] ? gfs2_reconfigure+0xd30/0xd30
[ 203.131129][ T4530] ? sb_set_blocksize+0xa5/0xe0
[ 203.136652][ T4530] get_tree_bdev+0x3f1/0x610
[ 203.141802][ T4530] ? gfs2_reconfigure+0xd30/0xd30
[ 203.148971][ T4530] gfs2_get_tree+0x4d/0x1e0
[ 203.154546][ T4530] vfs_get_tree+0x88/0x270
[ 203.160145][ T4530] do_new_mount+0x24a/0xa40
[ 203.166749][ T4530] __se_sys_mount+0x2e3/0x3d0
[ 203.172748][ T4530] ? __x64_sys_mount+0xc0/0xc0
[ 203.178015][ T4530] ? lockdep_hardirqs_on+0x94/0x140
[ 203.183961][ T4530] ? __x64_sys_mount+0x1c/0xc0
[ 203.190884][ T4530] do_syscall_64+0x4c/0xa0
[ 203.195845][ T4530] ? clear_bhb_loop+0x30/0x80
[ 203.200828][ T4530] ? clear_bhb_loop+0x30/0x80
[ 203.206521][ T4530] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 203.214210][ T4530] RIP: 0033:0x7fba68f98f4a
[ 203.221990][ T4530] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 203.249475][ T4530] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 203.258870][ T4530] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 203.268357][ T4530] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 203.277406][ T4530] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 203.288668][ T4530] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 203.298458][ T4530] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 203.307753][ T4530]
[ 203.313921][ T4530] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 203.331882][ T4530] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 203.682643][ T4531] loop1: detected capacity change from 0 to 32768
[ 203.778999][ T4531] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 203.788650][ T4531] CPU: 0 PID: 4531 Comm: syz.1.190 Not tainted syzkaller #0
[ 203.796895][ T4531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 203.808005][ T4531] Call Trace:
[ 203.811873][ T4531]
[ 203.815657][ T4531] dump_stack_lvl+0x188/0x250
[ 203.820538][ T4531] ? show_regs_print_info+0x20/0x20
[ 203.826743][ T4531] ? load_image+0x400/0x400
[ 203.831989][ T4531] sysfs_create_dir_ns+0x26a/0x290
[ 203.838490][ T4531] ? sysfs_warn_dup+0xa0/0xa0
[ 203.844254][ T4531] ? do_raw_spin_unlock+0x11d/0x230
[ 203.850231][ T4531] kobject_add_internal+0x6e0/0xd90
[ 203.855999][ T4531] kobject_init_and_add+0x128/0x190
[ 203.863699][ T4531] ? lockdep_softirqs_off+0x430/0x430
[ 203.871035][ T4531] ? kobject_add+0x230/0x230
[ 203.877376][ T4531] ? __init_swait_queue_head+0xa5/0x150
[ 203.885958][ T4531] gfs2_sys_fs_add+0x24f/0x4b0
[ 203.891736][ T4531] ? gfs2_recover_set+0x240/0x240
[ 203.897550][ T4531] ? snprintf+0xe5/0x140
[ 203.902289][ T4531] ? __free_pages+0x95/0x1a0
[ 203.907625][ T4531] ? vscnprintf+0x80/0x80
[ 203.912936][ T4531] gfs2_fill_super+0x120f/0x1f00
[ 203.919159][ T4531] ? gfs2_reconfigure+0xd30/0xd30
[ 203.925634][ T4531] ? sb_set_blocksize+0xa5/0xe0
[ 203.931177][ T4531] get_tree_bdev+0x3f1/0x610
[ 203.936685][ T4531] ? gfs2_reconfigure+0xd30/0xd30
[ 203.944630][ T4531] gfs2_get_tree+0x4d/0x1e0
[ 203.950411][ T4531] vfs_get_tree+0x88/0x270
[ 203.955913][ T4531] do_new_mount+0x24a/0xa40
[ 203.962291][ T4531] __se_sys_mount+0x2e3/0x3d0
[ 203.967457][ T4531] ? __x64_sys_mount+0xc0/0xc0
[ 203.972776][ T4531] ? lockdep_hardirqs_on+0x94/0x140
[ 203.979179][ T4531] ? __x64_sys_mount+0x1c/0xc0
[ 203.985125][ T4531] do_syscall_64+0x4c/0xa0
[ 203.991858][ T4531] ? clear_bhb_loop+0x30/0x80
[ 203.997535][ T4531] ? clear_bhb_loop+0x30/0x80
[ 204.003847][ T4531] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 204.010515][ T4531] RIP: 0033:0x7fba68f98f4a
[ 204.015627][ T4531] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 204.042423][ T4531] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 204.054172][ T4531] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 204.063094][ T4531] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 204.072185][ T4531] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 204.080993][ T4531] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 204.094169][ T4531] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 204.104395][ T4531]
[ 204.114395][ T4531] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 204.132508][ T4531] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 204.471458][ T4532] loop1: detected capacity change from 0 to 32768
[ 204.516399][ T4532] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 204.527058][ T4532] CPU: 1 PID: 4532 Comm: syz.1.191 Not tainted syzkaller #0
[ 204.535256][ T4532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 204.547843][ T4532] Call Trace:
[ 204.552028][ T4532]
[ 204.555912][ T4532] dump_stack_lvl+0x188/0x250
[ 204.563053][ T4532] ? show_regs_print_info+0x20/0x20
[ 204.568729][ T4532] ? load_image+0x400/0x400
[ 204.574857][ T4532] sysfs_create_dir_ns+0x26a/0x290
[ 204.582436][ T4532] ? sysfs_warn_dup+0xa0/0xa0
[ 204.588507][ T4532] ? do_raw_spin_unlock+0x11d/0x230
[ 204.594548][ T4532] kobject_add_internal+0x6e0/0xd90
[ 204.600827][ T4532] kobject_init_and_add+0x128/0x190
[ 204.608763][ T4532] ? lockdep_softirqs_off+0x430/0x430
[ 204.614519][ T4532] ? kobject_add+0x230/0x230
[ 204.619855][ T4532] ? __init_swait_queue_head+0xa5/0x150
[ 204.627693][ T4532] gfs2_sys_fs_add+0x24f/0x4b0
[ 204.633950][ T4532] ? gfs2_recover_set+0x240/0x240
[ 204.639296][ T4532] ? snprintf+0xe5/0x140
[ 204.644526][ T4532] ? __free_pages+0x95/0x1a0
[ 204.650635][ T4532] ? vscnprintf+0x80/0x80
[ 204.655545][ T4532] gfs2_fill_super+0x120f/0x1f00
[ 204.661051][ T4532] ? gfs2_reconfigure+0xd30/0xd30
[ 204.668180][ T4532] ? sb_set_blocksize+0xa5/0xe0
[ 204.674384][ T4532] get_tree_bdev+0x3f1/0x610
[ 204.680700][ T4532] ? gfs2_reconfigure+0xd30/0xd30
[ 204.687313][ T4532] gfs2_get_tree+0x4d/0x1e0
[ 204.693124][ T4532] vfs_get_tree+0x88/0x270
[ 204.699537][ T4532] do_new_mount+0x24a/0xa40
[ 204.705884][ T4532] __se_sys_mount+0x2e3/0x3d0
[ 204.711578][ T4532] ? __x64_sys_mount+0xc0/0xc0
[ 204.716467][ T4532] ? lockdep_hardirqs_on+0x94/0x140
[ 204.723675][ T4532] ? __x64_sys_mount+0x1c/0xc0
[ 204.729667][ T4532] do_syscall_64+0x4c/0xa0
[ 204.735719][ T4532] ? clear_bhb_loop+0x30/0x80
[ 204.741470][ T4532] ? clear_bhb_loop+0x30/0x80
[ 204.747258][ T4532] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 204.754672][ T4532] RIP: 0033:0x7fba68f98f4a
[ 204.760445][ T4532] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 204.785633][ T4532] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 204.798277][ T4532] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 204.810938][ T4532] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 204.822734][ T4532] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 204.832188][ T4532] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 204.842469][ T4532] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 204.853832][ T4532]
[ 204.859977][ T4532] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 204.878963][ T4532] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 205.215450][ T4533] loop1: detected capacity change from 0 to 32768
[ 205.278745][ T4533] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 205.286517][ T4533] CPU: 0 PID: 4533 Comm: syz.1.192 Not tainted syzkaller #0
[ 205.295436][ T4533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 205.307636][ T4533] Call Trace:
[ 205.311401][ T4533]
[ 205.314777][ T4533] dump_stack_lvl+0x188/0x250
[ 205.320296][ T4533] ? show_regs_print_info+0x20/0x20
[ 205.326606][ T4533] ? load_image+0x400/0x400
[ 205.332929][ T4533] sysfs_create_dir_ns+0x26a/0x290
[ 205.338965][ T4533] ? sysfs_warn_dup+0xa0/0xa0
[ 205.344340][ T4533] ? do_raw_spin_unlock+0x11d/0x230
[ 205.351479][ T4533] kobject_add_internal+0x6e0/0xd90
[ 205.358046][ T4533] kobject_init_and_add+0x128/0x190
[ 205.364158][ T4533] ? lockdep_softirqs_off+0x430/0x430
[ 205.370254][ T4533] ? kobject_add+0x230/0x230
[ 205.375443][ T4533] ? __init_swait_queue_head+0xa5/0x150
[ 205.381869][ T4533] gfs2_sys_fs_add+0x24f/0x4b0
[ 205.387400][ T4533] ? gfs2_recover_set+0x240/0x240
[ 205.393969][ T4533] ? snprintf+0xe5/0x140
[ 205.398890][ T4533] ? __free_pages+0x95/0x1a0
[ 205.404059][ T4533] ? vscnprintf+0x80/0x80
[ 205.409089][ T4533] gfs2_fill_super+0x120f/0x1f00
[ 205.414802][ T4533] ? gfs2_reconfigure+0xd30/0xd30
[ 205.420983][ T4533] ? sb_set_blocksize+0xa5/0xe0
[ 205.427817][ T4533] get_tree_bdev+0x3f1/0x610
[ 205.434549][ T4533] ? gfs2_reconfigure+0xd30/0xd30
[ 205.440232][ T4533] gfs2_get_tree+0x4d/0x1e0
[ 205.444753][ T4533] vfs_get_tree+0x88/0x270
[ 205.449697][ T4533] do_new_mount+0x24a/0xa40
[ 205.455191][ T4533] __se_sys_mount+0x2e3/0x3d0
[ 205.461823][ T4533] ? __x64_sys_mount+0xc0/0xc0
[ 205.467694][ T4533] ? lockdep_hardirqs_on+0x94/0x140
[ 205.473556][ T4533] ? __x64_sys_mount+0x1c/0xc0
[ 205.479454][ T4533] do_syscall_64+0x4c/0xa0
[ 205.484218][ T4533] ? clear_bhb_loop+0x30/0x80
[ 205.489461][ T4533] ? clear_bhb_loop+0x30/0x80
[ 205.496382][ T4533] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 205.502837][ T4533] RIP: 0033:0x7fba68f98f4a
[ 205.508058][ T4533] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 205.531031][ T4533] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 205.541504][ T4533] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 205.551116][ T4533] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 205.560022][ T4533] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 205.569144][ T4533] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 205.578796][ T4533] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 205.587933][ T4533]
[ 205.593785][ T4533] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 205.608245][ T4533] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/25 02:58:54 executed programs: 178
[ 205.937605][ T4534] loop1: detected capacity change from 0 to 32768
[ 205.997396][ T4534] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 206.004992][ T4534] CPU: 1 PID: 4534 Comm: syz.1.193 Not tainted syzkaller #0
[ 206.013422][ T4534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 206.024514][ T4534] Call Trace:
[ 206.029084][ T4534]
[ 206.032296][ T4534] dump_stack_lvl+0x188/0x250
[ 206.037885][ T4534] ? show_regs_print_info+0x20/0x20
[ 206.043194][ T4534] ? load_image+0x400/0x400
[ 206.048064][ T4534] sysfs_create_dir_ns+0x26a/0x290
[ 206.054243][ T4534] ? sysfs_warn_dup+0xa0/0xa0
[ 206.059462][ T4534] ? do_raw_spin_unlock+0x11d/0x230
[ 206.064905][ T4534] kobject_add_internal+0x6e0/0xd90
[ 206.070508][ T4534] kobject_init_and_add+0x128/0x190
[ 206.076326][ T4534] ? lockdep_softirqs_off+0x430/0x430
[ 206.082045][ T4534] ? kobject_add+0x230/0x230
[ 206.087276][ T4534] ? __init_swait_queue_head+0xa5/0x150
[ 206.094083][ T4534] gfs2_sys_fs_add+0x24f/0x4b0
[ 206.099752][ T4534] ? gfs2_recover_set+0x240/0x240
[ 206.105936][ T4534] ? snprintf+0xe5/0x140
[ 206.110829][ T4534] ? __free_pages+0x95/0x1a0
[ 206.116811][ T4534] ? vscnprintf+0x80/0x80
[ 206.122671][ T4534] gfs2_fill_super+0x120f/0x1f00
[ 206.129188][ T4534] ? gfs2_reconfigure+0xd30/0xd30
[ 206.134769][ T4534] ? sb_set_blocksize+0xa5/0xe0
[ 206.140711][ T4534] get_tree_bdev+0x3f1/0x610
[ 206.146491][ T4534] ? gfs2_reconfigure+0xd30/0xd30
[ 206.152525][ T4534] gfs2_get_tree+0x4d/0x1e0
[ 206.158683][ T4534] vfs_get_tree+0x88/0x270
[ 206.164518][ T4534] do_new_mount+0x24a/0xa40
[ 206.171386][ T4534] __se_sys_mount+0x2e3/0x3d0
[ 206.177366][ T4534] ? __x64_sys_mount+0xc0/0xc0
[ 206.183914][ T4534] ? lockdep_hardirqs_on+0x94/0x140
[ 206.190829][ T4534] ? __x64_sys_mount+0x1c/0xc0
[ 206.196943][ T4534] do_syscall_64+0x4c/0xa0
[ 206.202082][ T4534] ? clear_bhb_loop+0x30/0x80
[ 206.208132][ T4534] ? clear_bhb_loop+0x30/0x80
[ 206.214236][ T4534] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 206.220619][ T4534] RIP: 0033:0x7fba68f98f4a
[ 206.225398][ T4534] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 206.247103][ T4534] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 206.255700][ T4534] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 206.264535][ T4534] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 206.272995][ T4534] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 206.281989][ T4534] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 206.292045][ T4534] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 206.301401][ T4534]
[ 206.305767][ T4534] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 206.321986][ T4534] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 206.557315][ T21] Bluetooth: hci1: command 0x0406 tx timeout
[ 206.674337][ T4535] loop1: detected capacity change from 0 to 32768
[ 206.730007][ T4535] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 206.738414][ T4535] CPU: 0 PID: 4535 Comm: syz.1.194 Not tainted syzkaller #0
[ 206.747591][ T4535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 206.761865][ T4535] Call Trace:
[ 206.767303][ T4535]
[ 206.771153][ T4535] dump_stack_lvl+0x188/0x250
[ 206.776296][ T4535] ? show_regs_print_info+0x20/0x20
[ 206.783658][ T4535] ? load_image+0x400/0x400
[ 206.789166][ T4535] sysfs_create_dir_ns+0x26a/0x290
[ 206.795306][ T4535] ? sysfs_warn_dup+0xa0/0xa0
[ 206.801691][ T4535] ? do_raw_spin_unlock+0x11d/0x230
[ 206.808776][ T4535] kobject_add_internal+0x6e0/0xd90
[ 206.815148][ T4535] kobject_init_and_add+0x128/0x190
[ 206.820874][ T4535] ? lockdep_softirqs_off+0x430/0x430
[ 206.827029][ T4535] ? kobject_add+0x230/0x230
[ 206.833639][ T4535] ? __init_swait_queue_head+0xa5/0x150
[ 206.841614][ T4535] gfs2_sys_fs_add+0x24f/0x4b0
[ 206.847842][ T4535] ? gfs2_recover_set+0x240/0x240
[ 206.854711][ T4535] ? snprintf+0xe5/0x140
[ 206.859234][ T4535] ? __free_pages+0x95/0x1a0
[ 206.864492][ T4535] ? vscnprintf+0x80/0x80
[ 206.870572][ T4535] gfs2_fill_super+0x120f/0x1f00
[ 206.877637][ T4535] ? gfs2_reconfigure+0xd30/0xd30
[ 206.884698][ T4535] ? sb_set_blocksize+0xa5/0xe0
[ 206.891556][ T4535] get_tree_bdev+0x3f1/0x610
[ 206.897046][ T4535] ? gfs2_reconfigure+0xd30/0xd30
[ 206.903207][ T4535] gfs2_get_tree+0x4d/0x1e0
[ 206.908896][ T4535] vfs_get_tree+0x88/0x270
[ 206.915259][ T4535] do_new_mount+0x24a/0xa40
[ 206.920221][ T4535] __se_sys_mount+0x2e3/0x3d0
[ 206.927003][ T4535] ? __x64_sys_mount+0xc0/0xc0
[ 206.934985][ T4535] ? lockdep_hardirqs_on+0x94/0x140
[ 206.942796][ T4535] ? __x64_sys_mount+0x1c/0xc0
[ 206.950158][ T4535] do_syscall_64+0x4c/0xa0
[ 206.955689][ T4535] ? clear_bhb_loop+0x30/0x80
[ 206.960908][ T4535] ? clear_bhb_loop+0x30/0x80
[ 206.966420][ T4535] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 206.974159][ T4535] RIP: 0033:0x7fba68f98f4a
[ 206.978945][ T4535] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 206.999732][ T4535] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 207.008573][ T4535] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 207.016633][ T4535] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 207.024827][ T4535] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 207.033549][ T4535] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 207.042271][ T4535] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 207.050411][ T4535]
[ 207.055957][ T4535] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 207.070923][ T4535] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 207.393692][ T4536] loop1: detected capacity change from 0 to 32768
[ 207.442682][ T4536] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 207.454331][ T4536] CPU: 0 PID: 4536 Comm: syz.1.195 Not tainted syzkaller #0
[ 207.462108][ T4536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 207.472981][ T4536] Call Trace:
[ 207.476360][ T4536]
[ 207.479738][ T4536] dump_stack_lvl+0x188/0x250
[ 207.484526][ T4536] ? show_regs_print_info+0x20/0x20
[ 207.489928][ T4536] ? load_image+0x400/0x400
[ 207.496308][ T4536] sysfs_create_dir_ns+0x26a/0x290
[ 207.501858][ T4536] ? sysfs_warn_dup+0xa0/0xa0
[ 207.507916][ T4536] ? do_raw_spin_unlock+0x11d/0x230
[ 207.513695][ T4536] kobject_add_internal+0x6e0/0xd90
[ 207.519599][ T4536] kobject_init_and_add+0x128/0x190
[ 207.526674][ T4536] ? lockdep_softirqs_off+0x430/0x430
[ 207.533286][ T4536] ? kobject_add+0x230/0x230
[ 207.538466][ T4536] ? __init_swait_queue_head+0xa5/0x150
[ 207.545651][ T4536] gfs2_sys_fs_add+0x24f/0x4b0
[ 207.551936][ T4536] ? gfs2_recover_set+0x240/0x240
[ 207.557237][ T4536] ? snprintf+0xe5/0x140
[ 207.561696][ T4536] ? __free_pages+0x95/0x1a0
[ 207.567301][ T4536] ? vscnprintf+0x80/0x80
[ 207.572519][ T4536] gfs2_fill_super+0x120f/0x1f00
[ 207.578080][ T4536] ? gfs2_reconfigure+0xd30/0xd30
[ 207.584645][ T4536] ? sb_set_blocksize+0xa5/0xe0
[ 207.590355][ T4536] get_tree_bdev+0x3f1/0x610
[ 207.595206][ T4536] ? gfs2_reconfigure+0xd30/0xd30
[ 207.600920][ T4536] gfs2_get_tree+0x4d/0x1e0
[ 207.607283][ T4536] vfs_get_tree+0x88/0x270
[ 207.612665][ T4536] do_new_mount+0x24a/0xa40
[ 207.618164][ T4536] __se_sys_mount+0x2e3/0x3d0
[ 207.623027][ T4536] ? __x64_sys_mount+0xc0/0xc0
[ 207.628522][ T4536] ? lockdep_hardirqs_on+0x94/0x140
[ 207.634453][ T4536] ? __x64_sys_mount+0x1c/0xc0
[ 207.639456][ T4536] do_syscall_64+0x4c/0xa0
[ 207.644073][ T4536] ? clear_bhb_loop+0x30/0x80
[ 207.649318][ T4536] ? clear_bhb_loop+0x30/0x80
[ 207.654360][ T4536] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 207.661498][ T4536] RIP: 0033:0x7fba68f98f4a
[ 207.666396][ T4536] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 207.688301][ T4536] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 207.698137][ T4536] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 207.706868][ T4536] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 207.716277][ T4536] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 207.725715][ T4536] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 207.735335][ T4536] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 207.744698][ T4536]
[ 207.749790][ T4536] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 207.763118][ T4536] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 208.065779][ T4537] loop1: detected capacity change from 0 to 32768
[ 208.084833][ T4537] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 208.093744][ T4537] CPU: 1 PID: 4537 Comm: syz.1.196 Not tainted syzkaller #0
[ 208.101958][ T4537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 208.115050][ T4537] Call Trace:
[ 208.118627][ T4537]
[ 208.121653][ T4537] dump_stack_lvl+0x188/0x250
[ 208.126830][ T4537] ? show_regs_print_info+0x20/0x20
[ 208.132055][ T4537] ? load_image+0x400/0x400
[ 208.136692][ T4537] sysfs_create_dir_ns+0x26a/0x290
[ 208.142586][ T4537] ? sysfs_warn_dup+0xa0/0xa0
[ 208.148184][ T4537] ? do_raw_spin_unlock+0x11d/0x230
[ 208.154282][ T4537] kobject_add_internal+0x6e0/0xd90
[ 208.160964][ T4537] kobject_init_and_add+0x128/0x190
[ 208.167446][ T4537] ? lockdep_softirqs_off+0x430/0x430
[ 208.174238][ T4537] ? kobject_add+0x230/0x230
[ 208.181441][ T4537] ? __init_swait_queue_head+0xa5/0x150
[ 208.188994][ T4537] gfs2_sys_fs_add+0x24f/0x4b0
[ 208.195157][ T4537] ? gfs2_recover_set+0x240/0x240
[ 208.200635][ T4537] ? snprintf+0xe5/0x140
[ 208.205432][ T4537] ? __free_pages+0x95/0x1a0
[ 208.210654][ T4537] ? vscnprintf+0x80/0x80
[ 208.215127][ T4537] gfs2_fill_super+0x120f/0x1f00
[ 208.221860][ T4537] ? gfs2_reconfigure+0xd30/0xd30
[ 208.227369][ T4537] ? sb_set_blocksize+0xa5/0xe0
[ 208.232655][ T4537] get_tree_bdev+0x3f1/0x610
[ 208.237739][ T4537] ? gfs2_reconfigure+0xd30/0xd30
[ 208.243181][ T4537] gfs2_get_tree+0x4d/0x1e0
[ 208.248897][ T4537] vfs_get_tree+0x88/0x270
[ 208.253675][ T4537] do_new_mount+0x24a/0xa40
[ 208.258710][ T4537] __se_sys_mount+0x2e3/0x3d0
[ 208.264661][ T4537] ? __x64_sys_mount+0xc0/0xc0
[ 208.269799][ T4537] ? lockdep_hardirqs_on+0x94/0x140
[ 208.276371][ T4537] ? __x64_sys_mount+0x1c/0xc0
[ 208.281654][ T4537] do_syscall_64+0x4c/0xa0
[ 208.287709][ T4537] ? clear_bhb_loop+0x30/0x80
[ 208.293673][ T4537] ? clear_bhb_loop+0x30/0x80
[ 208.299454][ T4537] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 208.306611][ T4537] RIP: 0033:0x7fba68f98f4a
[ 208.311575][ T4537] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 208.337491][ T4537] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 208.347017][ T4537] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 208.356718][ T4537] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 208.365779][ T4537] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 208.375999][ T4537] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 208.385256][ T4537] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 208.394198][ T4537]
[ 208.399054][ T4537] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 208.415148][ T4537] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 208.735111][ T4538] loop1: detected capacity change from 0 to 32768
[ 208.785773][ T4538] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 208.794323][ T4538] CPU: 1 PID: 4538 Comm: syz.1.197 Not tainted syzkaller #0
[ 208.802675][ T4538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 208.813299][ T4538] Call Trace:
[ 208.816973][ T4538]
[ 208.820684][ T4538] dump_stack_lvl+0x188/0x250
[ 208.825713][ T4538] ? show_regs_print_info+0x20/0x20
[ 208.832395][ T4538] ? load_image+0x400/0x400
[ 208.838330][ T4538] sysfs_create_dir_ns+0x26a/0x290
[ 208.846147][ T4538] ? sysfs_warn_dup+0xa0/0xa0
[ 208.851326][ T4538] ? do_raw_spin_unlock+0x11d/0x230
[ 208.856999][ T4538] kobject_add_internal+0x6e0/0xd90
[ 208.862667][ T4538] kobject_init_and_add+0x128/0x190
[ 208.869522][ T4538] ? lockdep_softirqs_off+0x430/0x430
[ 208.875462][ T4538] ? kobject_add+0x230/0x230
[ 208.880056][ T4538] ? __init_swait_queue_head+0xa5/0x150
[ 208.886385][ T4538] gfs2_sys_fs_add+0x24f/0x4b0
[ 208.891365][ T4538] ? gfs2_recover_set+0x240/0x240
[ 208.896801][ T4538] ? snprintf+0xe5/0x140
[ 208.901572][ T4538] ? __free_pages+0x95/0x1a0
[ 208.906454][ T4538] ? vscnprintf+0x80/0x80
[ 208.911293][ T4538] gfs2_fill_super+0x120f/0x1f00
[ 208.916856][ T4538] ? gfs2_reconfigure+0xd30/0xd30
[ 208.922698][ T4538] ? sb_set_blocksize+0xa5/0xe0
[ 208.927855][ T4538] get_tree_bdev+0x3f1/0x610
[ 208.932709][ T4538] ? gfs2_reconfigure+0xd30/0xd30
[ 208.938197][ T4538] gfs2_get_tree+0x4d/0x1e0
[ 208.942963][ T4538] vfs_get_tree+0x88/0x270
[ 208.947772][ T4538] do_new_mount+0x24a/0xa40
[ 208.952830][ T4538] __se_sys_mount+0x2e3/0x3d0
[ 208.958270][ T4538] ? __x64_sys_mount+0xc0/0xc0
[ 208.963561][ T4538] ? lockdep_hardirqs_on+0x94/0x140
[ 208.969148][ T4538] ? __x64_sys_mount+0x1c/0xc0
[ 208.974200][ T4538] do_syscall_64+0x4c/0xa0
[ 208.979144][ T4538] ? clear_bhb_loop+0x30/0x80
[ 208.983819][ T4538] ? clear_bhb_loop+0x30/0x80
[ 208.988835][ T4538] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 208.994817][ T4538] RIP: 0033:0x7fba68f98f4a
[ 208.999404][ T4538] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 209.021056][ T4538] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 209.029766][ T4538] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 209.037852][ T4538] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 209.046926][ T4538] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 209.055686][ T4538] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 209.063741][ T4538] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 209.071797][ T4538]
[ 209.076210][ T4538] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 209.089618][ T4538] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 209.399454][ T4539] loop1: detected capacity change from 0 to 32768
[ 209.420067][ T4539] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 209.431106][ T4539] CPU: 1 PID: 4539 Comm: syz.1.198 Not tainted syzkaller #0
[ 209.439124][ T4539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 209.449455][ T4539] Call Trace:
[ 209.452746][ T4539]
[ 209.455937][ T4539] dump_stack_lvl+0x188/0x250
[ 209.461002][ T4539] ? show_regs_print_info+0x20/0x20
[ 209.466931][ T4539] ? load_image+0x400/0x400
[ 209.471745][ T4539] sysfs_create_dir_ns+0x26a/0x290
[ 209.476975][ T4539] ? sysfs_warn_dup+0xa0/0xa0
[ 209.481696][ T4539] ? do_raw_spin_unlock+0x11d/0x230
[ 209.488620][ T4539] kobject_add_internal+0x6e0/0xd90
[ 209.494578][ T4539] kobject_init_and_add+0x128/0x190
[ 209.500612][ T4539] ? lockdep_softirqs_off+0x430/0x430
[ 209.506744][ T4539] ? kobject_add+0x230/0x230
[ 209.512839][ T4539] ? __init_swait_queue_head+0xa5/0x150
[ 209.519211][ T4539] gfs2_sys_fs_add+0x24f/0x4b0
[ 209.526057][ T4539] ? gfs2_recover_set+0x240/0x240
[ 209.531660][ T4539] ? snprintf+0xe5/0x140
[ 209.536696][ T4539] ? __free_pages+0x95/0x1a0
[ 209.542080][ T4539] ? vscnprintf+0x80/0x80
[ 209.546533][ T4539] gfs2_fill_super+0x120f/0x1f00
[ 209.551743][ T4539] ? gfs2_reconfigure+0xd30/0xd30
[ 209.557248][ T4539] ? sb_set_blocksize+0xa5/0xe0
[ 209.562103][ T4539] get_tree_bdev+0x3f1/0x610
[ 209.567305][ T4539] ? gfs2_reconfigure+0xd30/0xd30
[ 209.572611][ T4539] gfs2_get_tree+0x4d/0x1e0
[ 209.577749][ T4539] vfs_get_tree+0x88/0x270
[ 209.582527][ T4539] do_new_mount+0x24a/0xa40
[ 209.587078][ T4539] __se_sys_mount+0x2e3/0x3d0
[ 209.592135][ T4539] ? __x64_sys_mount+0xc0/0xc0
[ 209.597006][ T4539] ? lockdep_hardirqs_on+0x94/0x140
[ 209.603273][ T4539] ? __x64_sys_mount+0x1c/0xc0
[ 209.608962][ T4539] do_syscall_64+0x4c/0xa0
[ 209.614134][ T4539] ? clear_bhb_loop+0x30/0x80
[ 209.620041][ T4539] ? clear_bhb_loop+0x30/0x80
[ 209.625091][ T4539] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 209.631070][ T4539] RIP: 0033:0x7fba68f98f4a
[ 209.635488][ T4539] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 209.655587][ T4539] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 209.664537][ T4539] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 209.672878][ T4539] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 209.680984][ T4539] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 209.690210][ T4539] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 209.698180][ T4539] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 209.706241][ T4539]
[ 209.712810][ T4539] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 209.726823][ T4539] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 210.037595][ T4540] loop1: detected capacity change from 0 to 32768
[ 210.108585][ T4540] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 210.117713][ T4540] CPU: 1 PID: 4540 Comm: syz.1.199 Not tainted syzkaller #0
[ 210.126931][ T4540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 210.137525][ T4540] Call Trace:
[ 210.141317][ T4540]
[ 210.144553][ T4540] dump_stack_lvl+0x188/0x250
[ 210.149615][ T4540] ? show_regs_print_info+0x20/0x20
[ 210.154944][ T4540] ? load_image+0x400/0x400
[ 210.160290][ T4540] sysfs_create_dir_ns+0x26a/0x290
[ 210.166849][ T4540] ? sysfs_warn_dup+0xa0/0xa0
[ 210.172786][ T4540] ? do_raw_spin_unlock+0x11d/0x230
[ 210.180034][ T4540] kobject_add_internal+0x6e0/0xd90
[ 210.186163][ T4540] kobject_init_and_add+0x128/0x190
[ 210.192320][ T4540] ? lockdep_softirqs_off+0x430/0x430
[ 210.198652][ T4540] ? kobject_add+0x230/0x230
[ 210.203420][ T4540] ? __init_swait_queue_head+0xa5/0x150
[ 210.209502][ T4540] gfs2_sys_fs_add+0x24f/0x4b0
[ 210.215007][ T4540] ? gfs2_recover_set+0x240/0x240
[ 210.222023][ T4540] ? snprintf+0xe5/0x140
[ 210.227309][ T4540] ? __free_pages+0x95/0x1a0
[ 210.233038][ T4540] ? vscnprintf+0x80/0x80
[ 210.237992][ T4540] gfs2_fill_super+0x120f/0x1f00
[ 210.244113][ T4540] ? gfs2_reconfigure+0xd30/0xd30
[ 210.252817][ T4540] ? sb_set_blocksize+0xa5/0xe0
[ 210.260753][ T4540] get_tree_bdev+0x3f1/0x610
[ 210.266419][ T4540] ? gfs2_reconfigure+0xd30/0xd30
[ 210.272109][ T4540] gfs2_get_tree+0x4d/0x1e0
[ 210.278113][ T4540] vfs_get_tree+0x88/0x270
[ 210.283060][ T4540] do_new_mount+0x24a/0xa40
[ 210.288668][ T4540] __se_sys_mount+0x2e3/0x3d0
[ 210.294295][ T4540] ? __x64_sys_mount+0xc0/0xc0
[ 210.299847][ T4540] ? lockdep_hardirqs_on+0x94/0x140
[ 210.306134][ T4540] ? __x64_sys_mount+0x1c/0xc0
[ 210.311019][ T4540] do_syscall_64+0x4c/0xa0
[ 210.318087][ T4540] ? clear_bhb_loop+0x30/0x80
[ 210.323928][ T4540] ? clear_bhb_loop+0x30/0x80
[ 210.329055][ T4540] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 210.336275][ T4540] RIP: 0033:0x7fba68f98f4a
[ 210.343276][ T4540] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 210.367420][ T4540] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 210.378241][ T4540] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 210.386927][ T4540] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 210.397340][ T4540] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 210.406410][ T4540] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 210.418481][ T4540] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 210.429277][ T4540]
[ 210.434656][ T4540] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 210.450302][ T4540] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 210.772787][ T4541] loop1: detected capacity change from 0 to 32768
[ 210.832380][ T4541] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 210.841903][ T4541] CPU: 0 PID: 4541 Comm: syz.1.200 Not tainted syzkaller #0
[ 210.849744][ T4541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 210.862284][ T4541] Call Trace:
[ 210.866453][ T4541]
[ 210.871068][ T4541] dump_stack_lvl+0x188/0x250
[ 210.877706][ T4541] ? show_regs_print_info+0x20/0x20
[ 210.884009][ T4541] ? load_image+0x400/0x400
[ 210.890100][ T4541] sysfs_create_dir_ns+0x26a/0x290
[ 210.896319][ T4541] ? sysfs_warn_dup+0xa0/0xa0
[ 210.901496][ T4541] ? do_raw_spin_unlock+0x11d/0x230
[ 210.909280][ T4541] kobject_add_internal+0x6e0/0xd90
[ 210.917112][ T4541] kobject_init_and_add+0x128/0x190
[ 210.923437][ T4541] ? lockdep_softirqs_off+0x430/0x430
[ 210.930351][ T4541] ? kobject_add+0x230/0x230
[ 210.935913][ T4541] ? __init_swait_queue_head+0xa5/0x150
[ 210.941565][ T4541] gfs2_sys_fs_add+0x24f/0x4b0
[ 210.948550][ T4541] ? gfs2_recover_set+0x240/0x240
[ 210.954300][ T4541] ? snprintf+0xe5/0x140
[ 210.959445][ T4541] ? __free_pages+0x95/0x1a0
[ 210.965479][ T4541] ? vscnprintf+0x80/0x80
[ 210.971747][ T4541] gfs2_fill_super+0x120f/0x1f00
[ 210.978151][ T4541] ? gfs2_reconfigure+0xd30/0xd30
[ 210.984746][ T4541] ? sb_set_blocksize+0xa5/0xe0
[ 210.990826][ T4541] get_tree_bdev+0x3f1/0x610
[ 210.996466][ T4541] ? gfs2_reconfigure+0xd30/0xd30
[ 211.002212][ T4541] gfs2_get_tree+0x4d/0x1e0
[ 211.006981][ T4541] vfs_get_tree+0x88/0x270
[ 211.012148][ T4541] do_new_mount+0x24a/0xa40
[ 211.017112][ T4541] __se_sys_mount+0x2e3/0x3d0
[ 211.022055][ T4541] ? __x64_sys_mount+0xc0/0xc0
[ 211.027144][ T4541] ? lockdep_hardirqs_on+0x94/0x140
[ 211.032533][ T4541] ? __x64_sys_mount+0x1c/0xc0
[ 211.037294][ T4541] do_syscall_64+0x4c/0xa0
[ 211.042035][ T4541] ? clear_bhb_loop+0x30/0x80
[ 211.048121][ T4541] ? clear_bhb_loop+0x30/0x80
[ 211.053112][ T4541] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 211.059375][ T4541] RIP: 0033:0x7fba68f98f4a
[ 211.064952][ T4541] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 211.094430][ T4541] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 211.103714][ T4541] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 211.114444][ T4541] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 211.125143][ T4541] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 211.135434][ T4541] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 211.146996][ T4541] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 211.158197][ T4541]
[ 211.163513][ T4541] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 211.180197][ T4541] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/25 02:59:00 executed programs: 186
[ 211.518149][ T4542] loop1: detected capacity change from 0 to 32768
[ 211.572609][ T4542] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 211.580587][ T4542] CPU: 0 PID: 4542 Comm: syz.1.201 Not tainted syzkaller #0
[ 211.588782][ T4542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 211.599727][ T4542] Call Trace:
[ 211.603358][ T4542]
[ 211.607004][ T4542] dump_stack_lvl+0x188/0x250
[ 211.614010][ T4542] ? show_regs_print_info+0x20/0x20
[ 211.620698][ T4542] ? load_image+0x400/0x400
[ 211.626404][ T4542] sysfs_create_dir_ns+0x26a/0x290
[ 211.632096][ T4542] ? sysfs_warn_dup+0xa0/0xa0
[ 211.637000][ T4542] ? do_raw_spin_unlock+0x11d/0x230
[ 211.643476][ T4542] kobject_add_internal+0x6e0/0xd90
[ 211.649088][ T4542] kobject_init_and_add+0x128/0x190
[ 211.654955][ T4542] ? lockdep_softirqs_off+0x430/0x430
[ 211.660997][ T4542] ? kobject_add+0x230/0x230
[ 211.666720][ T4542] ? __init_swait_queue_head+0xa5/0x150
[ 211.674635][ T4542] gfs2_sys_fs_add+0x24f/0x4b0
[ 211.680850][ T4542] ? gfs2_recover_set+0x240/0x240
[ 211.686997][ T4542] ? snprintf+0xe5/0x140
[ 211.692028][ T4542] ? __free_pages+0x95/0x1a0
[ 211.697605][ T4542] ? vscnprintf+0x80/0x80
[ 211.702755][ T4542] gfs2_fill_super+0x120f/0x1f00
[ 211.709176][ T4542] ? gfs2_reconfigure+0xd30/0xd30
[ 211.715138][ T4542] ? sb_set_blocksize+0xa5/0xe0
[ 211.720890][ T4542] get_tree_bdev+0x3f1/0x610
[ 211.726027][ T4542] ? gfs2_reconfigure+0xd30/0xd30
[ 211.733034][ T4542] gfs2_get_tree+0x4d/0x1e0
[ 211.738371][ T4542] vfs_get_tree+0x88/0x270
[ 211.745038][ T4542] do_new_mount+0x24a/0xa40
[ 211.750648][ T4542] __se_sys_mount+0x2e3/0x3d0
[ 211.755691][ T4542] ? __x64_sys_mount+0xc0/0xc0
[ 211.762053][ T4542] ? lockdep_hardirqs_on+0x94/0x140
[ 211.768932][ T4542] ? __x64_sys_mount+0x1c/0xc0
[ 211.774900][ T4542] do_syscall_64+0x4c/0xa0
[ 211.780132][ T4542] ? clear_bhb_loop+0x30/0x80
[ 211.786138][ T4542] ? clear_bhb_loop+0x30/0x80
[ 211.791777][ T4542] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 211.798346][ T4542] RIP: 0033:0x7fba68f98f4a
[ 211.804418][ T4542] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 211.828916][ T4542] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 211.837658][ T4542] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 211.848177][ T4542] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 211.859167][ T4542] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 211.868973][ T4542] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 211.877875][ T4542] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 211.886928][ T4542]
[ 211.891330][ T4542] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 211.907548][ T4542] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 212.230932][ T4543] loop1: detected capacity change from 0 to 32768
[ 212.340876][ T4543] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 212.349170][ T4543] CPU: 1 PID: 4543 Comm: syz.1.202 Not tainted syzkaller #0
[ 212.357384][ T4543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 212.369036][ T4543] Call Trace:
[ 212.373024][ T4543]
[ 212.376004][ T4543] dump_stack_lvl+0x188/0x250
[ 212.381182][ T4543] ? show_regs_print_info+0x20/0x20
[ 212.387888][ T4543] ? load_image+0x400/0x400
[ 212.394857][ T4543] sysfs_create_dir_ns+0x26a/0x290
[ 212.402890][ T4543] ? sysfs_warn_dup+0xa0/0xa0
[ 212.409781][ T4543] ? do_raw_spin_unlock+0x11d/0x230
[ 212.416913][ T4543] kobject_add_internal+0x6e0/0xd90
[ 212.424709][ T4543] kobject_init_and_add+0x128/0x190
[ 212.430809][ T4543] ? lockdep_softirqs_off+0x430/0x430
[ 212.436892][ T4543] ? kobject_add+0x230/0x230
[ 212.442460][ T4543] ? __init_swait_queue_head+0xa5/0x150
[ 212.450941][ T4543] gfs2_sys_fs_add+0x24f/0x4b0
[ 212.458062][ T4543] ? gfs2_recover_set+0x240/0x240
[ 212.464671][ T4543] ? snprintf+0xe5/0x140
[ 212.470157][ T4543] ? __free_pages+0x95/0x1a0
[ 212.475911][ T4543] ? vscnprintf+0x80/0x80
[ 212.483255][ T4543] gfs2_fill_super+0x120f/0x1f00
[ 212.488892][ T4543] ? gfs2_reconfigure+0xd30/0xd30
[ 212.494860][ T4543] ? sb_set_blocksize+0xa5/0xe0
[ 212.502513][ T4543] get_tree_bdev+0x3f1/0x610
[ 212.508178][ T4543] ? gfs2_reconfigure+0xd30/0xd30
[ 212.513723][ T4543] gfs2_get_tree+0x4d/0x1e0
[ 212.518976][ T4543] vfs_get_tree+0x88/0x270
[ 212.524648][ T4543] do_new_mount+0x24a/0xa40
[ 212.530850][ T4543] __se_sys_mount+0x2e3/0x3d0
[ 212.536190][ T4543] ? __x64_sys_mount+0xc0/0xc0
[ 212.541403][ T4543] ? lockdep_hardirqs_on+0x94/0x140
[ 212.549599][ T4543] ? __x64_sys_mount+0x1c/0xc0
[ 212.555071][ T4543] do_syscall_64+0x4c/0xa0
[ 212.559864][ T4543] ? clear_bhb_loop+0x30/0x80
[ 212.566542][ T4543] ? clear_bhb_loop+0x30/0x80
[ 212.572638][ T4543] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 212.581469][ T4543] RIP: 0033:0x7fba68f98f4a
[ 212.586942][ T4543] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 212.610102][ T4543] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 212.620359][ T4543] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 212.631736][ T4543] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 212.642426][ T4543] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 212.651517][ T4543] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 212.661369][ T4543] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 212.670496][ T4543]
[ 212.675582][ T4543] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 212.692611][ T4543] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 213.010120][ T4544] loop1: detected capacity change from 0 to 32768
[ 213.064132][ T4544] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 213.078334][ T4544] CPU: 1 PID: 4544 Comm: syz.1.203 Not tainted syzkaller #0
[ 213.086108][ T4544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 213.097549][ T4544] Call Trace:
[ 213.100951][ T4544]
[ 213.103984][ T4544] dump_stack_lvl+0x188/0x250
[ 213.111372][ T4544] ? show_regs_print_info+0x20/0x20
[ 213.116797][ T4544] ? load_image+0x400/0x400
[ 213.121607][ T4544] sysfs_create_dir_ns+0x26a/0x290
[ 213.127736][ T4544] ? sysfs_warn_dup+0xa0/0xa0
[ 213.132600][ T4544] ? do_raw_spin_unlock+0x11d/0x230
[ 213.138483][ T4544] kobject_add_internal+0x6e0/0xd90
[ 213.143885][ T4544] kobject_init_and_add+0x128/0x190
[ 213.149413][ T4544] ? lockdep_softirqs_off+0x430/0x430
[ 213.156248][ T4544] ? kobject_add+0x230/0x230
[ 213.162207][ T4544] ? __init_swait_queue_head+0xa5/0x150
[ 213.169391][ T4544] gfs2_sys_fs_add+0x24f/0x4b0
[ 213.175343][ T4544] ? gfs2_recover_set+0x240/0x240
[ 213.183286][ T4544] ? snprintf+0xe5/0x140
[ 213.189222][ T4544] ? __free_pages+0x95/0x1a0
[ 213.194601][ T4544] ? vscnprintf+0x80/0x80
[ 213.199736][ T4544] gfs2_fill_super+0x120f/0x1f00
[ 213.206618][ T4544] ? gfs2_reconfigure+0xd30/0xd30
[ 213.212981][ T4544] ? sb_set_blocksize+0xa5/0xe0
[ 213.219157][ T4544] get_tree_bdev+0x3f1/0x610
[ 213.224569][ T4544] ? gfs2_reconfigure+0xd30/0xd30
[ 213.231820][ T4544] gfs2_get_tree+0x4d/0x1e0
[ 213.237348][ T4544] vfs_get_tree+0x88/0x270
[ 213.242628][ T4544] do_new_mount+0x24a/0xa40
[ 213.247420][ T4544] __se_sys_mount+0x2e3/0x3d0
[ 213.253004][ T4544] ? __x64_sys_mount+0xc0/0xc0
[ 213.258103][ T4544] ? lockdep_hardirqs_on+0x94/0x140
[ 213.264206][ T4544] ? __x64_sys_mount+0x1c/0xc0
[ 213.271935][ T4544] do_syscall_64+0x4c/0xa0
[ 213.277242][ T4544] ? clear_bhb_loop+0x30/0x80
[ 213.283157][ T4544] ? clear_bhb_loop+0x30/0x80
[ 213.289141][ T4544] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 213.296549][ T4544] RIP: 0033:0x7fba68f98f4a
[ 213.301515][ T4544] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 213.324539][ T4544] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 213.335042][ T4544] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 213.343655][ T4544] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 213.352296][ T4544] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 213.361528][ T4544] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 213.369725][ T4544] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 213.377881][ T4544]
[ 213.382417][ T4544] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 213.396299][ T4544] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 213.735653][ T4545] loop1: detected capacity change from 0 to 32768
[ 213.819804][ T4545] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 213.832351][ T4545] CPU: 0 PID: 4545 Comm: syz.1.204 Not tainted syzkaller #0
[ 213.841144][ T4545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 213.853387][ T4545] Call Trace:
[ 213.857035][ T4545]
[ 213.860249][ T4545] dump_stack_lvl+0x188/0x250
[ 213.866744][ T4545] ? show_regs_print_info+0x20/0x20
[ 213.872698][ T4545] ? load_image+0x400/0x400
[ 213.877410][ T4545] sysfs_create_dir_ns+0x26a/0x290
[ 213.883064][ T4545] ? sysfs_warn_dup+0xa0/0xa0
[ 213.888410][ T4545] ? do_raw_spin_unlock+0x11d/0x230
[ 213.894823][ T4545] kobject_add_internal+0x6e0/0xd90
[ 213.900211][ T4545] kobject_init_and_add+0x128/0x190
[ 213.906006][ T4545] ? lockdep_softirqs_off+0x430/0x430
[ 213.913301][ T4545] ? kobject_add+0x230/0x230
[ 213.918439][ T4545] ? __init_swait_queue_head+0xa5/0x150
[ 213.924765][ T4545] gfs2_sys_fs_add+0x24f/0x4b0
[ 213.930127][ T4545] ? gfs2_recover_set+0x240/0x240
[ 213.935781][ T4545] ? snprintf+0xe5/0x140
[ 213.940872][ T4545] ? __free_pages+0x95/0x1a0
[ 213.947768][ T4545] ? vscnprintf+0x80/0x80
[ 213.952451][ T4545] gfs2_fill_super+0x120f/0x1f00
[ 213.958935][ T4545] ? gfs2_reconfigure+0xd30/0xd30
[ 213.964074][ T4545] ? sb_set_blocksize+0xa5/0xe0
[ 213.969187][ T4545] get_tree_bdev+0x3f1/0x610
[ 213.975461][ T4545] ? gfs2_reconfigure+0xd30/0xd30
[ 213.980780][ T4545] gfs2_get_tree+0x4d/0x1e0
[ 213.985992][ T4545] vfs_get_tree+0x88/0x270
[ 213.990866][ T4545] do_new_mount+0x24a/0xa40
[ 213.996720][ T4545] __se_sys_mount+0x2e3/0x3d0
[ 214.001949][ T4545] ? __x64_sys_mount+0xc0/0xc0
[ 214.007795][ T4545] ? lockdep_hardirqs_on+0x94/0x140
[ 214.013636][ T4545] ? __x64_sys_mount+0x1c/0xc0
[ 214.019003][ T4545] do_syscall_64+0x4c/0xa0
[ 214.023512][ T4545] ? clear_bhb_loop+0x30/0x80
[ 214.028733][ T4545] ? clear_bhb_loop+0x30/0x80
[ 214.034710][ T4545] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 214.042131][ T4545] RIP: 0033:0x7fba68f98f4a
[ 214.047971][ T4545] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 214.071146][ T4545] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 214.080451][ T4545] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 214.088647][ T4545] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 214.097154][ T4545] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 214.105682][ T4545] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 214.114218][ T4545] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 214.122608][ T4545]
[ 214.128098][ T4545] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 214.143432][ T4545] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 214.476480][ T4546] loop1: detected capacity change from 0 to 32768
[ 214.527999][ T4546] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 214.539119][ T4546] CPU: 1 PID: 4546 Comm: syz.1.205 Not tainted syzkaller #0
[ 214.548713][ T4546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 214.562725][ T4546] Call Trace:
[ 214.566372][ T4546]
[ 214.570135][ T4546] dump_stack_lvl+0x188/0x250
[ 214.576736][ T4546] ? show_regs_print_info+0x20/0x20
[ 214.582313][ T4546] ? load_image+0x400/0x400
[ 214.590533][ T4546] sysfs_create_dir_ns+0x26a/0x290
[ 214.597252][ T4546] ? sysfs_warn_dup+0xa0/0xa0
[ 214.602781][ T4546] ? do_raw_spin_unlock+0x11d/0x230
[ 214.608556][ T4546] kobject_add_internal+0x6e0/0xd90
[ 214.614052][ T4546] kobject_init_and_add+0x128/0x190
[ 214.620014][ T4546] ? lockdep_softirqs_off+0x430/0x430
[ 214.628230][ T4546] ? kobject_add+0x230/0x230
[ 214.633979][ T4546] ? __init_swait_queue_head+0xa5/0x150
[ 214.640763][ T4546] gfs2_sys_fs_add+0x24f/0x4b0
[ 214.646883][ T4546] ? gfs2_recover_set+0x240/0x240
[ 214.653804][ T4546] ? snprintf+0xe5/0x140
[ 214.659980][ T4546] ? __free_pages+0x95/0x1a0
[ 214.666266][ T4546] ? vscnprintf+0x80/0x80
[ 214.672428][ T4546] gfs2_fill_super+0x120f/0x1f00
[ 214.678613][ T4546] ? gfs2_reconfigure+0xd30/0xd30
[ 214.684636][ T4546] ? sb_set_blocksize+0xa5/0xe0
[ 214.690466][ T4546] get_tree_bdev+0x3f1/0x610
[ 214.696720][ T4546] ? gfs2_reconfigure+0xd30/0xd30
[ 214.702945][ T4546] gfs2_get_tree+0x4d/0x1e0
[ 214.707976][ T4546] vfs_get_tree+0x88/0x270
[ 214.712664][ T4546] do_new_mount+0x24a/0xa40
[ 214.717724][ T4546] __se_sys_mount+0x2e3/0x3d0
[ 214.723396][ T4546] ? __x64_sys_mount+0xc0/0xc0
[ 214.728960][ T4546] ? lockdep_hardirqs_on+0x94/0x140
[ 214.736699][ T4546] ? __x64_sys_mount+0x1c/0xc0
[ 214.745132][ T4546] do_syscall_64+0x4c/0xa0
[ 214.750690][ T4546] ? clear_bhb_loop+0x30/0x80
[ 214.757292][ T4546] ? clear_bhb_loop+0x30/0x80
[ 214.762603][ T4546] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 214.769847][ T4546] RIP: 0033:0x7fba68f98f4a
[ 214.775420][ T4546] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 214.799477][ T4546] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 214.809802][ T4546] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 214.821830][ T4546] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 214.830419][ T4546] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 214.840200][ T4546] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 214.849523][ T4546] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 214.858438][ T4546]
[ 214.865185][ T4546] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 214.879603][ T4546] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 215.197653][ T4547] loop1: detected capacity change from 0 to 32768
[ 215.264174][ T4547] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 215.276382][ T4547] CPU: 0 PID: 4547 Comm: syz.1.206 Not tainted syzkaller #0
[ 215.284826][ T4547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 215.295191][ T4547] Call Trace:
[ 215.298711][ T4547]
[ 215.301656][ T4547] dump_stack_lvl+0x188/0x250
[ 215.306625][ T4547] ? show_regs_print_info+0x20/0x20
[ 215.312050][ T4547] ? load_image+0x400/0x400
[ 215.317499][ T4547] sysfs_create_dir_ns+0x26a/0x290
[ 215.323255][ T4547] ? sysfs_warn_dup+0xa0/0xa0
[ 215.328852][ T4547] ? do_raw_spin_unlock+0x11d/0x230
[ 215.334076][ T4547] kobject_add_internal+0x6e0/0xd90
[ 215.339396][ T4547] kobject_init_and_add+0x128/0x190
[ 215.345280][ T4547] ? lockdep_softirqs_off+0x430/0x430
[ 215.350871][ T4547] ? kobject_add+0x230/0x230
[ 215.355872][ T4547] ? __init_swait_queue_head+0xa5/0x150
[ 215.361532][ T4547] gfs2_sys_fs_add+0x24f/0x4b0
[ 215.366497][ T4547] ? gfs2_recover_set+0x240/0x240
[ 215.371952][ T4547] ? snprintf+0xe5/0x140
[ 215.377065][ T4547] ? __free_pages+0x95/0x1a0
[ 215.381738][ T4547] ? vscnprintf+0x80/0x80
[ 215.386727][ T4547] gfs2_fill_super+0x120f/0x1f00
[ 215.393177][ T4547] ? gfs2_reconfigure+0xd30/0xd30
[ 215.399636][ T4547] ? sb_set_blocksize+0xa5/0xe0
[ 215.404790][ T4547] get_tree_bdev+0x3f1/0x610
[ 215.409671][ T4547] ? gfs2_reconfigure+0xd30/0xd30
[ 215.415920][ T4547] gfs2_get_tree+0x4d/0x1e0
[ 215.420699][ T4547] vfs_get_tree+0x88/0x270
[ 215.426325][ T4547] do_new_mount+0x24a/0xa40
[ 215.431127][ T4547] __se_sys_mount+0x2e3/0x3d0
[ 215.435816][ T4547] ? __x64_sys_mount+0xc0/0xc0
[ 215.440766][ T4547] ? lockdep_hardirqs_on+0x94/0x140
[ 215.447363][ T4547] ? __x64_sys_mount+0x1c/0xc0
[ 215.452689][ T4547] do_syscall_64+0x4c/0xa0
[ 215.457396][ T4547] ? clear_bhb_loop+0x30/0x80
[ 215.462073][ T4547] ? clear_bhb_loop+0x30/0x80
[ 215.466849][ T4547] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 215.472983][ T4547] RIP: 0033:0x7fba68f98f4a
[ 215.477682][ T4547] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 215.498515][ T4547] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 215.508014][ T4547] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 215.517209][ T4547] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 215.527532][ T4547] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 215.536534][ T4547] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 215.545366][ T4547] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 215.555159][ T4547]
[ 215.559739][ T4547] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 215.573562][ T4547] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 215.899202][ T4548] loop1: detected capacity change from 0 to 32768
[ 215.917358][ T4548] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 215.927976][ T4548] CPU: 1 PID: 4548 Comm: syz.1.207 Not tainted syzkaller #0
[ 215.936285][ T4548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 215.947973][ T4548] Call Trace:
[ 215.951268][ T4548]
[ 215.954397][ T4548] dump_stack_lvl+0x188/0x250
[ 215.959096][ T4548] ? show_regs_print_info+0x20/0x20
[ 215.964703][ T4548] ? load_image+0x400/0x400
[ 215.970595][ T4548] sysfs_create_dir_ns+0x26a/0x290
[ 215.977130][ T4548] ? sysfs_warn_dup+0xa0/0xa0
[ 215.982391][ T4548] ? do_raw_spin_unlock+0x11d/0x230
[ 215.988265][ T4548] kobject_add_internal+0x6e0/0xd90
[ 215.993752][ T4548] kobject_init_and_add+0x128/0x190
[ 215.999043][ T4548] ? lockdep_softirqs_off+0x430/0x430
[ 216.004453][ T4548] ? kobject_add+0x230/0x230
[ 216.009225][ T4548] ? __init_swait_queue_head+0xa5/0x150
[ 216.015067][ T4548] gfs2_sys_fs_add+0x24f/0x4b0
[ 216.020009][ T4548] ? gfs2_recover_set+0x240/0x240
[ 216.025421][ T4548] ? snprintf+0xe5/0x140
[ 216.030569][ T4548] ? __free_pages+0x95/0x1a0
[ 216.035272][ T4548] ? vscnprintf+0x80/0x80
[ 216.039602][ T4548] gfs2_fill_super+0x120f/0x1f00
[ 216.044815][ T4548] ? gfs2_reconfigure+0xd30/0xd30
[ 216.050713][ T4548] ? sb_set_blocksize+0xa5/0xe0
[ 216.057283][ T4548] get_tree_bdev+0x3f1/0x610
[ 216.063824][ T4548] ? gfs2_reconfigure+0xd30/0xd30
[ 216.070236][ T4548] gfs2_get_tree+0x4d/0x1e0
[ 216.074902][ T4548] vfs_get_tree+0x88/0x270
[ 216.080065][ T4548] do_new_mount+0x24a/0xa40
[ 216.084844][ T4548] __se_sys_mount+0x2e3/0x3d0
[ 216.089696][ T4548] ? __x64_sys_mount+0xc0/0xc0
[ 216.094735][ T4548] ? lockdep_hardirqs_on+0x94/0x140
[ 216.100114][ T4548] ? __x64_sys_mount+0x1c/0xc0
[ 216.105198][ T4548] do_syscall_64+0x4c/0xa0
[ 216.110216][ T4548] ? clear_bhb_loop+0x30/0x80
[ 216.115085][ T4548] ? clear_bhb_loop+0x30/0x80
[ 216.120504][ T4548] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 216.126694][ T4548] RIP: 0033:0x7fba68f98f4a
[ 216.131684][ T4548] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 216.153921][ T4548] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 216.165597][ T4548] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 216.175309][ T4548] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 216.184417][ T4548] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 216.193590][ T4548] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 216.203589][ T4548] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 216.212456][ T4548]
[ 216.218821][ T4548] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 216.235208][ T4548] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/25 02:59:05 executed programs: 193
[ 216.578008][ T4549] loop1: detected capacity change from 0 to 32768
[ 216.629371][ T4549] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 216.636781][ T4549] CPU: 1 PID: 4549 Comm: syz.1.208 Not tainted syzkaller #0
[ 216.644505][ T4549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 216.655301][ T4549] Call Trace:
[ 216.658683][ T4549]
[ 216.661626][ T4549] dump_stack_lvl+0x188/0x250
[ 216.666343][ T4549] ? show_regs_print_info+0x20/0x20
[ 216.672093][ T4549] ? load_image+0x400/0x400
[ 216.678113][ T4549] sysfs_create_dir_ns+0x26a/0x290
[ 216.684240][ T4549] ? sysfs_warn_dup+0xa0/0xa0
[ 216.689020][ T4549] ? do_raw_spin_unlock+0x11d/0x230
[ 216.694240][ T4549] kobject_add_internal+0x6e0/0xd90
[ 216.699830][ T4549] kobject_init_and_add+0x128/0x190
[ 216.705374][ T4549] ? lockdep_softirqs_off+0x430/0x430
[ 216.710948][ T4549] ? kobject_add+0x230/0x230
[ 216.715734][ T4549] ? __init_swait_queue_head+0xa5/0x150
[ 216.721301][ T4549] gfs2_sys_fs_add+0x24f/0x4b0
[ 216.726283][ T4549] ? gfs2_recover_set+0x240/0x240
[ 216.732033][ T4549] ? snprintf+0xe5/0x140
[ 216.736576][ T4549] ? __free_pages+0x95/0x1a0
[ 216.742116][ T4549] ? vscnprintf+0x80/0x80
[ 216.746938][ T4549] gfs2_fill_super+0x120f/0x1f00
[ 216.753023][ T4549] ? gfs2_reconfigure+0xd30/0xd30
[ 216.758347][ T4549] ? sb_set_blocksize+0xa5/0xe0
[ 216.763896][ T4549] get_tree_bdev+0x3f1/0x610
[ 216.769919][ T4549] ? gfs2_reconfigure+0xd30/0xd30
[ 216.776307][ T4549] gfs2_get_tree+0x4d/0x1e0
[ 216.780915][ T4549] vfs_get_tree+0x88/0x270
[ 216.786155][ T4549] do_new_mount+0x24a/0xa40
[ 216.791002][ T4549] __se_sys_mount+0x2e3/0x3d0
[ 216.796152][ T4549] ? __x64_sys_mount+0xc0/0xc0
[ 216.801896][ T4549] ? lockdep_hardirqs_on+0x94/0x140
[ 216.807806][ T4549] ? __x64_sys_mount+0x1c/0xc0
[ 216.813151][ T4549] do_syscall_64+0x4c/0xa0
[ 216.817666][ T4549] ? clear_bhb_loop+0x30/0x80
[ 216.822607][ T4549] ? clear_bhb_loop+0x30/0x80
[ 216.827730][ T4549] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 216.835942][ T4549] RIP: 0033:0x7fba68f98f4a
[ 216.841172][ T4549] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 216.865856][ T4549] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 216.874494][ T4549] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 216.882729][ T4549] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 216.891825][ T4549] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 216.901471][ T4549] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 216.911759][ T4549] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 216.921962][ T4549]
[ 216.927724][ T4549] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 216.942995][ T4549] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 217.286921][ T4550] loop1: detected capacity change from 0 to 32768
[ 217.345647][ T4550] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 217.354005][ T4550] CPU: 0 PID: 4550 Comm: syz.1.209 Not tainted syzkaller #0
[ 217.361749][ T4550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 217.372449][ T4550] Call Trace:
[ 217.375760][ T4550]
[ 217.378796][ T4550] dump_stack_lvl+0x188/0x250
[ 217.384017][ T4550] ? show_regs_print_info+0x20/0x20
[ 217.389848][ T4550] ? load_image+0x400/0x400
[ 217.395633][ T4550] sysfs_create_dir_ns+0x26a/0x290
[ 217.401946][ T4550] ? sysfs_warn_dup+0xa0/0xa0
[ 217.407397][ T4550] ? do_raw_spin_unlock+0x11d/0x230
[ 217.413099][ T4550] kobject_add_internal+0x6e0/0xd90
[ 217.418705][ T4550] kobject_init_and_add+0x128/0x190
[ 217.424107][ T4550] ? lockdep_softirqs_off+0x430/0x430
[ 217.429774][ T4550] ? kobject_add+0x230/0x230
[ 217.434442][ T4550] ? __init_swait_queue_head+0xa5/0x150
[ 217.440087][ T4550] gfs2_sys_fs_add+0x24f/0x4b0
[ 217.444940][ T4550] ? gfs2_recover_set+0x240/0x240
[ 217.450293][ T4550] ? snprintf+0xe5/0x140
[ 217.454596][ T4550] ? __free_pages+0x95/0x1a0
[ 217.459272][ T4550] ? vscnprintf+0x80/0x80
[ 217.463600][ T4550] gfs2_fill_super+0x120f/0x1f00
[ 217.468796][ T4550] ? gfs2_reconfigure+0xd30/0xd30
[ 217.474094][ T4550] ? sb_set_blocksize+0xa5/0xe0
[ 217.479034][ T4550] get_tree_bdev+0x3f1/0x610
[ 217.483614][ T4550] ? gfs2_reconfigure+0xd30/0xd30
[ 217.488633][ T4550] gfs2_get_tree+0x4d/0x1e0
[ 217.494843][ T4550] vfs_get_tree+0x88/0x270
[ 217.499711][ T4550] do_new_mount+0x24a/0xa40
[ 217.504260][ T4550] __se_sys_mount+0x2e3/0x3d0
[ 217.509337][ T4550] ? __x64_sys_mount+0xc0/0xc0
[ 217.514403][ T4550] ? lockdep_hardirqs_on+0x94/0x140
[ 217.519876][ T4550] ? __x64_sys_mount+0x1c/0xc0
[ 217.525127][ T4550] do_syscall_64+0x4c/0xa0
[ 217.530758][ T4550] ? clear_bhb_loop+0x30/0x80
[ 217.535714][ T4550] ? clear_bhb_loop+0x30/0x80
[ 217.541261][ T4550] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 217.549254][ T4550] RIP: 0033:0x7fba68f98f4a
[ 217.554108][ T4550] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 217.575069][ T4550] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 217.584125][ T4550] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 217.592269][ T4550] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 217.600422][ T4550] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 217.608766][ T4550] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 217.617641][ T4550] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 217.625896][ T4550]
[ 217.630760][ T4550] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 217.645067][ T4550] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 217.975535][ T4551] loop1: detected capacity change from 0 to 32768
[ 218.039452][ T4551] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 218.047763][ T4551] CPU: 1 PID: 4551 Comm: syz.1.210 Not tainted syzkaller #0
[ 218.055060][ T4551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 218.065128][ T4551] Call Trace:
[ 218.068424][ T4551]
[ 218.071644][ T4551] dump_stack_lvl+0x188/0x250
[ 218.076431][ T4551] ? show_regs_print_info+0x20/0x20
[ 218.081747][ T4551] ? load_image+0x400/0x400
[ 218.086994][ T4551] sysfs_create_dir_ns+0x26a/0x290
[ 218.092347][ T4551] ? sysfs_warn_dup+0xa0/0xa0
[ 218.097362][ T4551] ? do_raw_spin_unlock+0x11d/0x230
[ 218.102866][ T4551] kobject_add_internal+0x6e0/0xd90
[ 218.108203][ T4551] kobject_init_and_add+0x128/0x190
[ 218.113886][ T4551] ? lockdep_softirqs_off+0x430/0x430
[ 218.119382][ T4551] ? kobject_add+0x230/0x230
[ 218.124193][ T4551] ? __init_swait_queue_head+0xa5/0x150
[ 218.130467][ T4551] gfs2_sys_fs_add+0x24f/0x4b0
[ 218.135391][ T4551] ? gfs2_recover_set+0x240/0x240
[ 218.142852][ T4551] ? snprintf+0xe5/0x140
[ 218.149373][ T4551] ? __free_pages+0x95/0x1a0
[ 218.154615][ T4551] ? vscnprintf+0x80/0x80
[ 218.160988][ T4551] gfs2_fill_super+0x120f/0x1f00
[ 218.167313][ T4551] ? gfs2_reconfigure+0xd30/0xd30
[ 218.173123][ T4551] ? sb_set_blocksize+0xa5/0xe0
[ 218.179603][ T4551] get_tree_bdev+0x3f1/0x610
[ 218.186724][ T4551] ? gfs2_reconfigure+0xd30/0xd30
[ 218.191884][ T4551] gfs2_get_tree+0x4d/0x1e0
[ 218.197298][ T4551] vfs_get_tree+0x88/0x270
[ 218.201743][ T4551] do_new_mount+0x24a/0xa40
[ 218.206861][ T4551] __se_sys_mount+0x2e3/0x3d0
[ 218.211538][ T4551] ? __x64_sys_mount+0xc0/0xc0
[ 218.216649][ T4551] ? lockdep_hardirqs_on+0x94/0x140
[ 218.221941][ T4551] ? __x64_sys_mount+0x1c/0xc0
[ 218.227529][ T4551] do_syscall_64+0x4c/0xa0
[ 218.232614][ T4551] ? clear_bhb_loop+0x30/0x80
[ 218.237751][ T4551] ? clear_bhb_loop+0x30/0x80
[ 218.242717][ T4551] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 218.249909][ T4551] RIP: 0033:0x7fba68f98f4a
[ 218.255900][ T4551] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 218.277110][ T4551] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 218.286163][ T4551] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 218.294924][ T4551] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 218.307507][ T4551] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 218.316214][ T4551] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 218.325775][ T4551] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 218.337192][ T4551]
[ 218.342541][ T4551] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 218.358357][ T4551] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 218.557589][ T27] INFO: task syz-executor:4304 blocked for more than 143 seconds.
[ 218.566677][ T27] Not tainted syzkaller #0
[ 218.575862][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 218.587054][ T27] task:syz-executor state:D stack:21840 pid: 4304 ppid: 1 flags:0x00004004
[ 218.600883][ T27] Call Trace:
[ 218.604964][ T27]
[ 218.608654][ T27] __schedule+0x11ef/0x43c0
[ 218.613571][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 218.621800][ T27] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 218.631151][ T27] ? _raw_spin_unlock+0x40/0x40
[ 218.636697][ T27] ? rcu_is_watching+0x11/0xa0
[ 218.647398][ T27] ? release_firmware_map_entry+0x190/0x190
[ 218.653749][ T27] schedule+0x11b/0x1e0
[ 218.661462][ T27] schedule_timeout+0x184/0x2d0
[ 218.667591][ T27] ? console_conditional_schedule+0x40/0x40
[ 218.674910][ T27] ? update_process_times+0x200/0x200
[ 218.683898][ T27] ? prepare_to_wait_event+0x42c/0x460
[ 218.692621][ T27] gfs2_gl_hash_clear+0x1ab/0x2f0
[ 218.701105][ T27] ? thaw_glock+0x150/0x150
[ 218.706869][ T27] ? gfs2_jindex_free+0x3a3/0x410
[ 218.713534][ T27] ? init_wait_entry+0xd0/0xd0
[ 218.720743][ T27] ? gfs2_setbit+0x5a0/0x5a0
[ 218.726548][ T27] gfs2_put_super+0x769/0x7d0
[ 218.733602][ T27] ? gfs2_evict_inode+0x1240/0x1240
[ 218.733638][ T4555] loop1: detected capacity change from 0 to 32768
[ 218.741275][ T27] generic_shutdown_super+0x130/0x300
[ 218.766846][ T27] kill_block_super+0x7c/0xe0
[ 218.775360][ T4555] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 218.775703][ T27] deactivate_locked_super+0x93/0xf0
[ 218.786831][ T4555] CPU: 0 PID: 4555 Comm: syz.1.211 Not tainted syzkaller #0
[ 218.800308][ T4555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 218.807646][ T27] cleanup_mnt+0x42d/0x4e0
[ 218.812216][ T4555] Call Trace:
[ 218.812229][ T4555]
[ 218.812237][ T4555] dump_stack_lvl+0x188/0x250
[ 218.812261][ T4555] ? show_regs_print_info+0x20/0x20
[ 218.812278][ T4555] ? load_image+0x400/0x400
[ 218.812306][ T4555] sysfs_create_dir_ns+0x26a/0x290
[ 218.812324][ T4555] ? sysfs_warn_dup+0xa0/0xa0
[ 218.812347][ T4555] ? do_raw_spin_unlock+0x11d/0x230
[ 218.812366][ T4555] kobject_add_internal+0x6e0/0xd90
[ 218.812388][ T4555] kobject_init_and_add+0x128/0x190
[ 218.812402][ T4555] ? lockdep_softirqs_off+0x430/0x430
[ 218.812422][ T4555] ? kobject_add+0x230/0x230
[ 218.837220][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 218.838107][ T4555] ? __init_swait_queue_head+0xa5/0x150
[ 218.847583][ T27] task_work_run+0x125/0x1a0
[ 218.849204][ T4555] gfs2_sys_fs_add+0x24f/0x4b0
[ 218.857768][ T27] exit_to_user_mode_loop+0x10f/0x130
[ 218.865021][ T4555] ? gfs2_recover_set+0x240/0x240
[ 218.871828][ T27] exit_to_user_mode_prepare+0xee/0x180
[ 218.877190][ T4555] ? snprintf+0xe5/0x140
[ 218.877222][ T4555] ? __free_pages+0x95/0x1a0
[ 218.877240][ T4555] ? vscnprintf+0x80/0x80
[ 218.877270][ T4555] gfs2_fill_super+0x120f/0x1f00
[ 218.877301][ T4555] ? gfs2_reconfigure+0xd30/0xd30
[ 218.877333][ T4555] ? sb_set_blocksize+0xa5/0xe0
[ 218.877351][ T4555] get_tree_bdev+0x3f1/0x610
[ 218.877370][ T4555] ? gfs2_reconfigure+0xd30/0xd30
[ 218.886680][ T27] syscall_exit_to_user_mode+0x16/0x40
[ 218.889838][ T4555] gfs2_get_tree+0x4d/0x1e0
[ 218.889862][ T4555] vfs_get_tree+0x88/0x270
[ 218.889881][ T4555] do_new_mount+0x24a/0xa40
[ 218.889905][ T4555] __se_sys_mount+0x2e3/0x3d0
[ 218.896109][ T27] do_syscall_64+0x58/0xa0
[ 218.901947][ T4555] ? __x64_sys_mount+0xc0/0xc0
[ 218.901974][ T4555] ? lockdep_hardirqs_on+0x94/0x140
[ 218.901990][ T4555] ? __x64_sys_mount+0x1c/0xc0
[ 218.902008][ T4555] do_syscall_64+0x4c/0xa0
[ 218.902022][ T4555] ? clear_bhb_loop+0x30/0x80
[ 218.908238][ T27] ? clear_bhb_loop+0x30/0x80
[ 218.913923][ T4555] ? clear_bhb_loop+0x30/0x80
[ 218.913959][ T4555] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 218.913975][ T4555] RIP: 0033:0x7fba68f98f4a
[ 218.913993][ T4555] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 218.914007][ T4555] RSP: 002b:00007ffcce486d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 218.914027][ T4555] RAX: ffffffffffffffda RBX: 00007ffcce486e20 RCX: 00007fba68f98f4a
[ 218.914038][ T4555] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffcce486de0
[ 218.914050][ T4555] RBP: 00002000000002c0 R08: 00007ffcce486e20 R09: 0000000000008c9b
[ 218.914062][ T4555] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[ 218.914072][ T4555] R13: 00007ffcce486de0 R14: 0000000000012760 R15: 0000200000000400
[ 218.914091][ T4555]
[ 218.917855][ T4555] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 218.947060][ T27] ? clear_bhb_loop+0x30/0x80
[ 218.951951][ T4555] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 218.957220][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 219.204187][ T27] RIP: 0033:0x7f6e8f8fff17
[ 219.210223][ T27] RSP: 002b:00007ffd1ef3f418 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 219.221723][ T27] RAX: 0000000000000000 RBX: 00007f6e8f96871f RCX: 00007f6e8f8fff17
[ 219.233787][ T27] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd1ef3f4d0
[ 219.244717][ T27] RBP: 00007ffd1ef3f4d0 R08: 00007ffd1ef404d0 R09: 00000000ffffffff
[ 219.255551][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd1ef40560
[ 219.267824][ T27] R13: 00007f6e8f96871f R14: 00000000000107c1 R15: 00007ffd1ef405a0
[ 219.278272][ T27]
[ 219.281441][ T27]
[ 219.281441][ T27] Showing all locks held in the system:
[ 219.291178][ T27] 1 lock held by khungtaskd/27:
[ 219.297390][ T27] #0: ffffffff8c31eaa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 219.310133][ T27] 1 lock held by syslogd/3541:
[ 219.316151][ T27] #0: ffff8880b913a358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140
[ 219.327698][ T27] 2 locks held by getty/3944:
[ 219.334197][ T27] #0: ffff88807f071098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 219.347375][ T27] #1: ffffc90002cf62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5df/0x1a70
[ 219.361051][ T27] 1 lock held by syz-executor/4304:
[ 219.367006][ T27] #0: ffff88807e7060e0 (&type->s_umount_key#54){++++}-{3:3}, at: deactivate_super+0xa0/0xd0
[ 219.379586][ T27] 1 lock held by syz-executor/4330:
[ 219.387329][ T27] #0: ffff8880205b4518 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x157/0xa60
[ 219.399980][ T27] 2 locks held by udevd/4332:
[ 219.405623][ T27] #0: ffff8880205b4518 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0
[ 219.419646][ T27] #1: ffff8881475c3468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xaa/0xb90
[ 219.433809][ T27]
[ 219.436394][ T27] =============================================
[ 219.436394][ T27]
[ 219.450155][ T27] NMI backtrace for cpu 0
[ 219.455481][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 219.465301][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 219.480446][ T27] Call Trace:
[ 219.485343][ T27]
[ 219.490171][ T27] dump_stack_lvl+0x188/0x250
[ 219.496304][ T27] ? show_regs_print_info+0x20/0x20
[ 219.502744][ T27] ? load_image+0x400/0x400
[ 219.508695][ T27] ? nmi_cpu_backtrace+0x1b2/0x3d0
[ 219.514950][ T27] nmi_cpu_backtrace+0x3a2/0x3d0
[ 219.522386][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 219.529762][ T27] ? _printk+0xda/0x130
[ 219.536095][ T27] ? load_image+0x400/0x400
[ 219.541403][ T27] ? load_image+0x400/0x400
[ 219.547988][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 219.556431][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 219.564936][ T27] watchdog+0xe0f/0xe50
[ 219.569600][ T27] kthread+0x436/0x520
[ 219.574766][ T27] ? hungtask_pm_notify+0x40/0x40
[ 219.580541][ T27] ? kthread_blkcg+0xd0/0xd0
[ 219.586007][ T27] ret_from_fork+0x1f/0x30
[ 219.591191][ T27]
[ 219.595111][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 219.602699][ C1] NMI backtrace for cpu 1
[ 219.602712][ C1] CPU: 1 PID: 4242 Comm: kworker/u4:5 Not tainted syzkaller #0
[ 219.602730][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 219.602739][ C1] Workqueue: phy7 ieee80211_iface_work
[ 219.602761][ C1] RIP: 0010:ieee80211_update_bss_from_elems+0x395/0x1040
[ 219.602784][ C1] Code: 10 84 c0 0f 85 d0 09 00 00 41 0f b6 2c 24 89 ee 83 e6 04 31 ff e8 db 49 36 f8 83 e5 04 0f 85 a8 01 00 00 e8 6d 47 36 f8 eb 05 66 47 36 f8 4d 8d 7e 38 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00
[ 219.602797][ C1] RSP: 0018:ffffc90002f2f800 EFLAGS: 00000246
[ 219.602809][ C1] RAX: 0000000000000000 RBX: ffff88807afdca0a RCX: ffff8880749dd940
[ 219.602818][ C1] RDX: dffffc0000000000 RSI: ffff88802acab8c8 RDI: ffff8880772f0da0
[ 219.602882][ C1] RBP: 0000000000000000 R08: 0000000000000001 R09: 1ffff920005e5ec3
[ 219.602902][ C1] R10: dffffc0000000000 R11: fffff520005e5ec4 R12: 0000000000000000
[ 219.602913][ C1] R13: 1ffff1100f5fb941 R14: ffff88807afdc800 R15: ffff88807afdca0a
[ 219.602933][ C1] FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
[ 219.602947][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 219.602958][ C1] CR2: 00007f97cdbd7000 CR3: 000000007e170000 CR4: 00000000003506e0
[ 219.602972][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 219.602993][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 219.603003][ C1] Call Trace:
[ 219.603009][ C1]
[ 219.603020][ C1] ieee80211_bss_info_update+0x7d6/0xa70
[ 219.603043][ C1] ? ieee80211_rx_bss_put+0x60/0x60
[ 219.603062][ C1] ? ieee80211_mandatory_rates+0x1c8/0x230
[ 219.603081][ C1] ieee80211_ibss_rx_queued_mgmt+0x1700/0x2ab0
[ 219.603108][ C1] ? ieee80211_ibss_rx_no_sta+0x730/0x730
[ 219.603123][ C1] ? _raw_spin_unlock_irqrestore+0x82/0x120
[ 219.603142][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 219.603159][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 219.603176][ C1] ? _raw_spin_unlock+0x40/0x40
[ 219.603191][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 219.603213][ C1] ? kcov_remote_start+0xea/0x4a0
[ 219.603230][ C1] ieee80211_iface_work+0x70e/0xc60
[ 219.603250][ C1] process_one_work+0x85f/0x1010
[ 219.603279][ C1] ? worker_detach_from_pool+0x240/0x240
[ 219.603293][ C1] ? lockdep_hardirqs_off+0x70/0x100
[ 219.603310][ C1] ? _raw_spin_lock_irq+0xb7/0xf0
[ 219.603326][ C1] ? _raw_spin_lock_irqsave+0x100/0x100
[ 219.603343][ C1] ? wq_worker_running+0x97/0x170
[ 219.603358][ C1] worker_thread+0xaa6/0x1290
[ 219.603378][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 219.603393][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 219.603415][ C1] kthread+0x436/0x520
[ 219.603429][ C1] ? rcu_lock_release+0x20/0x20
[ 219.603442][ C1] ? kthread_blkcg+0xd0/0xd0
[ 219.603456][ C1] ret_from_fork+0x1f/0x30
[ 219.603478][ C1]
[ 219.603826][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 219.919712][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 219.927266][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 219.938022][ T27] Call Trace:
[ 219.941336][ T27]
[ 219.944292][ T27] dump_stack_lvl+0x188/0x250
[ 219.949081][ T27] ? show_regs_print_info+0x20/0x20
[ 219.954688][ T27] ? load_image+0x400/0x400
[ 219.959227][ T27] panic+0x2e5/0x810
[ 219.963226][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 219.968870][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 219.973805][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 219.980079][ T27] watchdog+0xe4e/0xe50
[ 219.984338][ T27] kthread+0x436/0x520
[ 219.985066][ T4556] loop1: detected capacity change from 0 to 32768
[ 219.988491][ T27] ? hungtask_pm_notify+0x40/0x40
[ 219.988511][ T27] ? kthread_blkcg+0xd0/0xd0
[ 219.988525][ T27] ret_from_fork+0x1f/0x30
[ 219.988551][ T27]
[ 219.995757][ T27] Kernel Offset: disabled
[ 220.017777][ T27] Rebooting in 86400 seconds..