T4613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 280.077585][ T4613] Call Trace:
[ 280.080889][ T4613]
[ 280.083838][ T4613] dump_stack_lvl+0x188/0x24e
[ 280.088558][ T4613] ? show_regs_print_info+0x12/0x12
[ 280.093876][ T4613] ? load_image+0x400/0x400
[ 280.098562][ T4613] sysfs_create_dir_ns+0x26a/0x290
[ 280.104058][ T4613] ? sysfs_warn_dup+0xa0/0xa0
[ 280.108766][ T4613] ? do_raw_spin_unlock+0x11d/0x230
[ 280.114088][ T4613] kobject_add_internal+0x61c/0xcc0
[ 280.119313][ T4613] kobject_init_and_add+0x128/0x190
[ 280.124618][ T4613] ? lockdep_softirqs_off+0x430/0x430
[ 280.130019][ T4613] ? kobject_add+0x230/0x230
[ 280.134732][ T4613] ? __init_swait_queue_head+0xa5/0x150
[ 280.140651][ T4613] gfs2_sys_fs_add+0x24f/0x4b0
[ 280.145557][ T4613] ? gfs2_recover_set+0x240/0x240
[ 280.150688][ T4613] ? snprintf+0xe5/0x140
[ 280.155278][ T4613] ? vscnprintf+0x80/0x80
[ 280.159744][ T4613] gfs2_fill_super+0x128c/0x1fb0
[ 280.165071][ T4613] ? gfs2_reconfigure+0xd30/0xd30
[ 280.170381][ T4613] ? sb_set_blocksize+0xa5/0xe0
[ 280.175257][ T4613] get_tree_bdev+0x3f1/0x610
[ 280.179874][ T4613] ? gfs2_reconfigure+0xd30/0xd30
[ 280.184918][ T4613] gfs2_get_tree+0x4d/0x1e0
[ 280.189542][ T4613] vfs_get_tree+0x88/0x270
[ 280.194065][ T4613] do_new_mount+0x24a/0xa40
[ 280.198770][ T4613] __se_sys_mount+0x2e3/0x3d0
[ 280.203642][ T4613] ? __x64_sys_mount+0xc0/0xc0
[ 280.208433][ T4613] ? lockdep_hardirqs_on+0x94/0x140
[ 280.213872][ T4613] ? __x64_sys_mount+0x1c/0xc0
[ 280.218823][ T4613] do_syscall_64+0x4c/0xa0
[ 280.223473][ T4613] ? clear_bhb_loop+0x60/0xb0
[ 280.228275][ T4613] ? clear_bhb_loop+0x60/0xb0
[ 280.233061][ T4613] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 280.239232][ T4613] RIP: 0033:0x7ff7d699e04a
[ 280.243660][ T4613] 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
[ 280.263559][ T4613] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 280.271988][ T4613] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 280.280337][ T4613] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 280.288405][ T4613] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 280.296757][ T4613] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 280.305154][ T4613] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 280.313175][ T4613]
[ 280.321239][ T4613] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 280.335905][ T4613] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 280.675005][ T4614] loop1: detected capacity change from 0 to 32768
[ 280.691464][ T4614] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 280.699868][ T4614] CPU: 1 PID: 4614 Comm: syz.1.173 Not tainted syzkaller #0
[ 280.707832][ T4614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 280.718148][ T4614] Call Trace:
[ 280.721655][ T4614]
[ 280.724636][ T4614] dump_stack_lvl+0x188/0x24e
[ 280.729395][ T4614] ? show_regs_print_info+0x12/0x12
[ 280.734829][ T4614] ? load_image+0x400/0x400
[ 280.739475][ T4614] sysfs_create_dir_ns+0x26a/0x290
[ 280.744919][ T4614] ? sysfs_warn_dup+0xa0/0xa0
[ 280.749837][ T4614] ? do_raw_spin_unlock+0x11d/0x230
[ 280.755086][ T4614] kobject_add_internal+0x61c/0xcc0
[ 280.760557][ T4614] kobject_init_and_add+0x128/0x190
[ 280.766418][ T4614] ? lockdep_softirqs_off+0x430/0x430
[ 280.771840][ T4614] ? kobject_add+0x230/0x230
[ 280.776512][ T4614] ? __init_swait_queue_head+0xa5/0x150
[ 280.782267][ T4614] gfs2_sys_fs_add+0x24f/0x4b0
[ 280.787173][ T4614] ? gfs2_recover_set+0x240/0x240
[ 280.792445][ T4614] ? snprintf+0xe5/0x140
[ 280.796817][ T4614] ? vscnprintf+0x80/0x80
[ 280.801178][ T4614] gfs2_fill_super+0x128c/0x1fb0
[ 280.806150][ T4614] ? gfs2_reconfigure+0xd30/0xd30
[ 280.811361][ T4614] ? sb_set_blocksize+0xa5/0xe0
[ 280.816474][ T4614] get_tree_bdev+0x3f1/0x610
[ 280.821221][ T4614] ? gfs2_reconfigure+0xd30/0xd30
[ 280.826494][ T4614] gfs2_get_tree+0x4d/0x1e0
[ 280.831031][ T4614] vfs_get_tree+0x88/0x270
[ 280.835833][ T4614] do_new_mount+0x24a/0xa40
[ 280.840474][ T4614] __se_sys_mount+0x2e3/0x3d0
[ 280.845316][ T4614] ? __x64_sys_mount+0xc0/0xc0
[ 280.850191][ T4614] ? lockdep_hardirqs_on+0x94/0x140
[ 280.855606][ T4614] ? __x64_sys_mount+0x1c/0xc0
[ 280.860395][ T4614] do_syscall_64+0x4c/0xa0
[ 280.864922][ T4614] ? clear_bhb_loop+0x60/0xb0
[ 280.869620][ T4614] ? clear_bhb_loop+0x60/0xb0
[ 280.874315][ T4614] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 280.880589][ T4614] RIP: 0033:0x7ff7d699e04a
[ 280.885048][ T4614] 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
[ 280.905487][ T4614] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 280.914011][ T4614] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 280.922149][ T4614] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 280.930253][ T4614] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 280.938418][ T4614] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 280.946414][ T4614] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 280.954448][ T4614]
[ 280.963484][ T4614] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 280.977709][ T4614] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 281.314968][ T4615] loop1: detected capacity change from 0 to 32768
[ 281.331615][ T4615] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 281.340209][ T4615] CPU: 1 PID: 4615 Comm: syz.1.174 Not tainted syzkaller #0
[ 281.347721][ T4615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 281.357910][ T4615] Call Trace:
[ 281.361235][ T4615]
[ 281.364299][ T4615] dump_stack_lvl+0x188/0x24e
[ 281.369233][ T4615] ? show_regs_print_info+0x12/0x12
[ 281.374603][ T4615] ? load_image+0x400/0x400
[ 281.379169][ T4615] sysfs_create_dir_ns+0x26a/0x290
[ 281.384398][ T4615] ? sysfs_warn_dup+0xa0/0xa0
[ 281.389116][ T4615] ? do_raw_spin_unlock+0x11d/0x230
[ 281.394353][ T4615] kobject_add_internal+0x61c/0xcc0
[ 281.399586][ T4615] kobject_init_and_add+0x128/0x190
[ 281.404803][ T4615] ? lockdep_softirqs_off+0x430/0x430
[ 281.410296][ T4615] ? kobject_add+0x230/0x230
[ 281.414916][ T4615] ? __init_swait_queue_head+0xa5/0x150
[ 281.420583][ T4615] gfs2_sys_fs_add+0x24f/0x4b0
[ 281.425372][ T4615] ? gfs2_recover_set+0x240/0x240
[ 281.430595][ T4615] ? snprintf+0xe5/0x140
[ 281.434946][ T4615] ? vscnprintf+0x80/0x80
[ 281.439403][ T4615] gfs2_fill_super+0x128c/0x1fb0
[ 281.444465][ T4615] ? gfs2_reconfigure+0xd30/0xd30
[ 281.449514][ T4615] ? sb_set_blocksize+0xa5/0xe0
[ 281.454388][ T4615] get_tree_bdev+0x3f1/0x610
[ 281.459002][ T4615] ? gfs2_reconfigure+0xd30/0xd30
[ 281.464250][ T4615] gfs2_get_tree+0x4d/0x1e0
[ 281.468792][ T4615] vfs_get_tree+0x88/0x270
[ 281.473228][ T4615] do_new_mount+0x24a/0xa40
[ 281.478018][ T4615] __se_sys_mount+0x2e3/0x3d0
[ 281.482980][ T4615] ? __x64_sys_mount+0xc0/0xc0
[ 281.487765][ T4615] ? lockdep_hardirqs_on+0x94/0x140
[ 281.492980][ T4615] ? __x64_sys_mount+0x1c/0xc0
[ 281.497852][ T4615] do_syscall_64+0x4c/0xa0
[ 281.502290][ T4615] ? clear_bhb_loop+0x60/0xb0
[ 281.506988][ T4615] ? clear_bhb_loop+0x60/0xb0
[ 281.511689][ T4615] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 281.517799][ T4615] RIP: 0033:0x7ff7d699e04a
[ 281.522494][ T4615] 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
[ 281.543418][ T4615] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 281.551855][ T4615] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 281.559937][ T4615] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 281.568446][ T4615] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 281.576618][ T4615] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 281.584777][ T4615] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 281.592949][ T4615]
[ 281.604123][ T4615] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 281.631203][ T4615] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 281.936389][ T4616] loop1: detected capacity change from 0 to 32768
[ 281.953196][ T4616] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 281.960834][ T4616] CPU: 1 PID: 4616 Comm: syz.1.175 Not tainted syzkaller #0
[ 281.968435][ T4616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 281.979401][ T4616] Call Trace:
[ 281.982794][ T4616]
[ 281.985840][ T4616] dump_stack_lvl+0x188/0x24e
[ 281.990546][ T4616] ? show_regs_print_info+0x12/0x12
[ 281.996029][ T4616] ? load_image+0x400/0x400
[ 282.000564][ T4616] sysfs_create_dir_ns+0x26a/0x290
[ 282.005800][ T4616] ? sysfs_warn_dup+0xa0/0xa0
[ 282.010548][ T4616] ? do_raw_spin_unlock+0x11d/0x230
[ 282.015943][ T4616] kobject_add_internal+0x61c/0xcc0
[ 282.021688][ T4616] kobject_init_and_add+0x128/0x190
[ 282.027340][ T4616] ? lockdep_softirqs_off+0x430/0x430
[ 282.032859][ T4616] ? kobject_add+0x230/0x230
[ 282.038012][ T4616] ? __init_swait_queue_head+0xa5/0x150
[ 282.043798][ T4616] gfs2_sys_fs_add+0x24f/0x4b0
[ 282.048954][ T4616] ? gfs2_recover_set+0x240/0x240
[ 282.054100][ T4616] ? snprintf+0xe5/0x140
[ 282.058367][ T4616] ? vscnprintf+0x80/0x80
[ 282.062941][ T4616] gfs2_fill_super+0x128c/0x1fb0
[ 282.068172][ T4616] ? gfs2_reconfigure+0xd30/0xd30
[ 282.073412][ T4616] ? sb_set_blocksize+0xa5/0xe0
[ 282.078993][ T4616] get_tree_bdev+0x3f1/0x610
[ 282.083787][ T4616] ? gfs2_reconfigure+0xd30/0xd30
[ 282.088916][ T4616] gfs2_get_tree+0x4d/0x1e0
[ 282.093611][ T4616] vfs_get_tree+0x88/0x270
[ 282.098132][ T4616] do_new_mount+0x24a/0xa40
[ 282.102773][ T4616] __se_sys_mount+0x2e3/0x3d0
[ 282.107646][ T4616] ? __x64_sys_mount+0xc0/0xc0
[ 282.112523][ T4616] ? lockdep_hardirqs_on+0x94/0x140
[ 282.117830][ T4616] ? __x64_sys_mount+0x1c/0xc0
[ 282.122715][ T4616] do_syscall_64+0x4c/0xa0
[ 282.127446][ T4616] ? clear_bhb_loop+0x60/0xb0
[ 282.132147][ T4616] ? clear_bhb_loop+0x60/0xb0
[ 282.136941][ T4616] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 282.142949][ T4616] RIP: 0033:0x7ff7d699e04a
[ 282.147380][ T4616] 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
[ 282.167458][ T4616] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 282.176413][ T4616] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 282.184837][ T4616] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 282.193079][ T4616] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 282.201223][ T4616] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 282.209468][ T4616] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 282.217551][ T4616]
[ 282.222926][ T4616] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 282.236724][ T4616] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 282.579052][ T4617] loop1: detected capacity change from 0 to 32768
[ 282.604380][ T4617] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 282.611981][ T4617] CPU: 1 PID: 4617 Comm: syz.1.176 Not tainted syzkaller #0
[ 282.619429][ T4617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 282.629538][ T4617] Call Trace:
[ 282.632958][ T4617]
[ 282.635935][ T4617] dump_stack_lvl+0x188/0x24e
[ 282.640940][ T4617] ? show_regs_print_info+0x12/0x12
[ 282.646383][ T4617] ? load_image+0x400/0x400
[ 282.651094][ T4617] sysfs_create_dir_ns+0x26a/0x290
[ 282.656527][ T4617] ? sysfs_warn_dup+0xa0/0xa0
[ 282.661362][ T4617] ? do_raw_spin_unlock+0x11d/0x230
[ 282.666628][ T4617] kobject_add_internal+0x61c/0xcc0
[ 282.671881][ T4617] kobject_init_and_add+0x128/0x190
[ 282.677297][ T4617] ? lockdep_softirqs_off+0x430/0x430
[ 282.682722][ T4617] ? kobject_add+0x230/0x230
[ 282.687541][ T4617] ? __init_swait_queue_head+0xa5/0x150
[ 282.693243][ T4617] gfs2_sys_fs_add+0x24f/0x4b0
[ 282.698033][ T4617] ? gfs2_recover_set+0x240/0x240
[ 282.703109][ T4617] ? snprintf+0xe5/0x140
[ 282.707419][ T4617] ? vscnprintf+0x80/0x80
[ 282.711900][ T4617] gfs2_fill_super+0x128c/0x1fb0
[ 282.717334][ T4617] ? gfs2_reconfigure+0xd30/0xd30
[ 282.722574][ T4617] ? sb_set_blocksize+0xa5/0xe0
[ 282.727731][ T4617] get_tree_bdev+0x3f1/0x610
[ 282.732344][ T4617] ? gfs2_reconfigure+0xd30/0xd30
[ 282.737484][ T4617] gfs2_get_tree+0x4d/0x1e0
[ 282.742177][ T4617] vfs_get_tree+0x88/0x270
[ 282.746786][ T4617] do_new_mount+0x24a/0xa40
[ 282.751494][ T4617] __se_sys_mount+0x2e3/0x3d0
[ 282.756279][ T4617] ? __x64_sys_mount+0xc0/0xc0
[ 282.761264][ T4617] ? lockdep_hardirqs_on+0x94/0x140
[ 282.766655][ T4617] ? __x64_sys_mount+0x1c/0xc0
[ 282.771610][ T4617] do_syscall_64+0x4c/0xa0
[ 282.776217][ T4617] ? clear_bhb_loop+0x60/0xb0
[ 282.781015][ T4617] ? clear_bhb_loop+0x60/0xb0
[ 282.786069][ T4617] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 282.792068][ T4617] RIP: 0033:0x7ff7d699e04a
[ 282.796541][ T4617] 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
[ 282.816525][ T4617] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 282.825329][ T4617] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 282.833417][ T4617] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 282.841666][ T4617] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 282.849666][ T4617] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 282.857746][ T4617] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 282.866622][ T4617]
[ 282.874671][ T4617] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 282.894365][ T4617] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 283.214584][ T4618] loop1: detected capacity change from 0 to 32768
[ 283.233671][ T4618] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 283.241270][ T4618] CPU: 0 PID: 4618 Comm: syz.1.177 Not tainted syzkaller #0
[ 283.248608][ T4618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 283.258706][ T4618] Call Trace:
[ 283.262055][ T4618]
[ 283.265017][ T4618] dump_stack_lvl+0x188/0x24e
[ 283.269724][ T4618] ? show_regs_print_info+0x12/0x12
[ 283.275038][ T4618] ? load_image+0x400/0x400
[ 283.279575][ T4618] sysfs_create_dir_ns+0x26a/0x290
[ 283.284796][ T4618] ? sysfs_warn_dup+0xa0/0xa0
[ 283.289495][ T4618] ? do_raw_spin_unlock+0x11d/0x230
[ 283.294714][ T4618] kobject_add_internal+0x61c/0xcc0
[ 283.299936][ T4618] kobject_init_and_add+0x128/0x190
[ 283.305278][ T4618] ? lockdep_softirqs_off+0x430/0x430
[ 283.310780][ T4618] ? kobject_add+0x230/0x230
[ 283.315397][ T4618] ? __init_swait_queue_head+0xa5/0x150
[ 283.320978][ T4618] gfs2_sys_fs_add+0x24f/0x4b0
[ 283.325858][ T4618] ? gfs2_recover_set+0x240/0x240
[ 283.330904][ T4618] ? snprintf+0xe5/0x140
[ 283.335252][ T4618] ? vscnprintf+0x80/0x80
[ 283.339889][ T4618] gfs2_fill_super+0x128c/0x1fb0
[ 283.344945][ T4618] ? gfs2_reconfigure+0xd30/0xd30
[ 283.350001][ T4618] ? sb_set_blocksize+0xa5/0xe0
[ 283.354873][ T4618] get_tree_bdev+0x3f1/0x610
[ 283.359481][ T4618] ? gfs2_reconfigure+0xd30/0xd30
[ 283.364547][ T4618] gfs2_get_tree+0x4d/0x1e0
[ 283.369273][ T4618] vfs_get_tree+0x88/0x270
[ 283.373709][ T4618] do_new_mount+0x24a/0xa40
[ 283.378791][ T4618] __se_sys_mount+0x2e3/0x3d0
[ 283.383529][ T4618] ? __x64_sys_mount+0xc0/0xc0
[ 283.388339][ T4618] ? lockdep_hardirqs_on+0x94/0x140
[ 283.393812][ T4618] ? __x64_sys_mount+0x1c/0xc0
[ 283.398706][ T4618] do_syscall_64+0x4c/0xa0
[ 283.403235][ T4618] ? clear_bhb_loop+0x60/0xb0
[ 283.408191][ T4618] ? clear_bhb_loop+0x60/0xb0
[ 283.413092][ T4618] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 283.419096][ T4618] RIP: 0033:0x7ff7d699e04a
[ 283.423743][ T4618] 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
[ 283.444259][ T4618] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 283.452877][ T4618] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 283.460955][ T4618] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 283.469117][ T4618] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 283.477498][ T4618] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 283.486039][ T4618] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 283.494259][ T4618]
[ 283.508109][ T4618] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 283.522732][ T4618] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/26 09:36:55 executed programs: 163
[ 283.850995][ T4619] loop1: detected capacity change from 0 to 32768
[ 283.867953][ T4619] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 283.875995][ T4619] CPU: 0 PID: 4619 Comm: syz.1.178 Not tainted syzkaller #0
[ 283.883428][ T4619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 283.893534][ T4619] Call Trace:
[ 283.896959][ T4619]
[ 283.899942][ T4619] dump_stack_lvl+0x188/0x24e
[ 283.904698][ T4619] ? show_regs_print_info+0x12/0x12
[ 283.910178][ T4619] ? load_image+0x400/0x400
[ 283.915114][ T4619] sysfs_create_dir_ns+0x26a/0x290
[ 283.920384][ T4619] ? sysfs_warn_dup+0xa0/0xa0
[ 283.925243][ T4619] ? do_raw_spin_unlock+0x11d/0x230
[ 283.930663][ T4619] kobject_add_internal+0x61c/0xcc0
[ 283.936114][ T4619] kobject_init_and_add+0x128/0x190
[ 283.941915][ T4619] ? lockdep_softirqs_off+0x430/0x430
[ 283.947689][ T4619] ? kobject_add+0x230/0x230
[ 283.952414][ T4619] ? __init_swait_queue_head+0xa5/0x150
[ 283.958015][ T4619] gfs2_sys_fs_add+0x24f/0x4b0
[ 283.962850][ T4619] ? gfs2_recover_set+0x240/0x240
[ 283.967987][ T4619] ? snprintf+0xe5/0x140
[ 283.972388][ T4619] ? vscnprintf+0x80/0x80
[ 283.976966][ T4619] gfs2_fill_super+0x128c/0x1fb0
[ 283.982066][ T4619] ? gfs2_reconfigure+0xd30/0xd30
[ 283.987183][ T4619] ? sb_set_blocksize+0xa5/0xe0
[ 283.992105][ T4619] get_tree_bdev+0x3f1/0x610
[ 283.996761][ T4619] ? gfs2_reconfigure+0xd30/0xd30
[ 284.001926][ T4619] gfs2_get_tree+0x4d/0x1e0
[ 284.006569][ T4619] vfs_get_tree+0x88/0x270
[ 284.011025][ T4619] do_new_mount+0x24a/0xa40
[ 284.015670][ T4619] __se_sys_mount+0x2e3/0x3d0
[ 284.020482][ T4619] ? __x64_sys_mount+0xc0/0xc0
[ 284.025652][ T4619] ? lockdep_hardirqs_on+0x94/0x140
[ 284.031064][ T4619] ? __x64_sys_mount+0x1c/0xc0
[ 284.036252][ T4619] do_syscall_64+0x4c/0xa0
[ 284.040956][ T4619] ? clear_bhb_loop+0x60/0xb0
[ 284.046676][ T4619] ? clear_bhb_loop+0x60/0xb0
[ 284.051565][ T4619] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 284.057722][ T4619] RIP: 0033:0x7ff7d699e04a
[ 284.062171][ T4619] 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
[ 284.082603][ T4619] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 284.091133][ T4619] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 284.099302][ T4619] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 284.107712][ T4619] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 284.115812][ T4619] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 284.123838][ T4619] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 284.132007][ T4619]
[ 284.136349][ T4619] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 284.153832][ T4619] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 284.516481][ T4620] loop1: detected capacity change from 0 to 32768
[ 284.539461][ T4620] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 284.547316][ T4620] CPU: 1 PID: 4620 Comm: syz.1.179 Not tainted syzkaller #0
[ 284.554936][ T4620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 284.565141][ T4620] Call Trace:
[ 284.568553][ T4620]
[ 284.571545][ T4620] dump_stack_lvl+0x188/0x24e
[ 284.576286][ T4620] ? show_regs_print_info+0x12/0x12
[ 284.581627][ T4620] ? load_image+0x400/0x400
[ 284.586205][ T4620] sysfs_create_dir_ns+0x26a/0x290
[ 284.591376][ T4620] ? sysfs_warn_dup+0xa0/0xa0
[ 284.596114][ T4620] ? do_raw_spin_unlock+0x11d/0x230
[ 284.601365][ T4620] kobject_add_internal+0x61c/0xcc0
[ 284.606700][ T4620] kobject_init_and_add+0x128/0x190
[ 284.611940][ T4620] ? lockdep_softirqs_off+0x430/0x430
[ 284.617463][ T4620] ? kobject_add+0x230/0x230
[ 284.622127][ T4620] ? __init_swait_queue_head+0xa5/0x150
[ 284.627810][ T4620] gfs2_sys_fs_add+0x24f/0x4b0
[ 284.632631][ T4620] ? gfs2_recover_set+0x240/0x240
[ 284.637714][ T4620] ? snprintf+0xe5/0x140
[ 284.642117][ T4620] ? vscnprintf+0x80/0x80
[ 284.646492][ T4620] gfs2_fill_super+0x128c/0x1fb0
[ 284.651464][ T4620] ? gfs2_reconfigure+0xd30/0xd30
[ 284.656513][ T4620] ? sb_set_blocksize+0xa5/0xe0
[ 284.661469][ T4620] get_tree_bdev+0x3f1/0x610
[ 284.666172][ T4620] ? gfs2_reconfigure+0xd30/0xd30
[ 284.671319][ T4620] gfs2_get_tree+0x4d/0x1e0
[ 284.676217][ T4620] vfs_get_tree+0x88/0x270
[ 284.680673][ T4620] do_new_mount+0x24a/0xa40
[ 284.685756][ T4620] __se_sys_mount+0x2e3/0x3d0
[ 284.690472][ T4620] ? __x64_sys_mount+0xc0/0xc0
[ 284.695269][ T4620] ? lockdep_hardirqs_on+0x94/0x140
[ 284.700490][ T4620] ? __x64_sys_mount+0x1c/0xc0
[ 284.705377][ T4620] do_syscall_64+0x4c/0xa0
[ 284.709822][ T4620] ? clear_bhb_loop+0x60/0xb0
[ 284.714537][ T4620] ? clear_bhb_loop+0x60/0xb0
[ 284.719364][ T4620] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 284.725376][ T4620] RIP: 0033:0x7ff7d699e04a
[ 284.730082][ T4620] 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
[ 284.750516][ T4620] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 284.759222][ T4620] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 284.768340][ T4620] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 284.776522][ T4620] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 284.784594][ T4620] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 284.792664][ T4620] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 284.800766][ T4620]
[ 284.814312][ T4620] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 284.828344][ T4620] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 285.162922][ T4621] loop1: detected capacity change from 0 to 32768
[ 285.178659][ T4621] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 285.186284][ T4621] CPU: 0 PID: 4621 Comm: syz.1.180 Not tainted syzkaller #0
[ 285.193618][ T4621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 285.203715][ T4621] Call Trace:
[ 285.207043][ T4621]
[ 285.210028][ T4621] dump_stack_lvl+0x188/0x24e
[ 285.214780][ T4621] ? show_regs_print_info+0x12/0x12
[ 285.220122][ T4621] ? load_image+0x400/0x400
[ 285.224696][ T4621] sysfs_create_dir_ns+0x26a/0x290
[ 285.229869][ T4621] ? sysfs_warn_dup+0xa0/0xa0
[ 285.234608][ T4621] ? do_raw_spin_unlock+0x11d/0x230
[ 285.239858][ T4621] kobject_add_internal+0x61c/0xcc0
[ 285.245115][ T4621] kobject_init_and_add+0x128/0x190
[ 285.250355][ T4621] ? lockdep_softirqs_off+0x430/0x430
[ 285.255874][ T4621] ? kobject_add+0x230/0x230
[ 285.260519][ T4621] ? __init_swait_queue_head+0xa5/0x150
[ 285.266122][ T4621] gfs2_sys_fs_add+0x24f/0x4b0
[ 285.271030][ T4621] ? gfs2_recover_set+0x240/0x240
[ 285.276369][ T4621] ? snprintf+0xe5/0x140
[ 285.280658][ T4621] ? vscnprintf+0x80/0x80
[ 285.285276][ T4621] gfs2_fill_super+0x128c/0x1fb0
[ 285.290356][ T4621] ? gfs2_reconfigure+0xd30/0xd30
[ 285.295592][ T4621] ? sb_set_blocksize+0xa5/0xe0
[ 285.300622][ T4621] get_tree_bdev+0x3f1/0x610
[ 285.305359][ T4621] ? gfs2_reconfigure+0xd30/0xd30
[ 285.310689][ T4621] gfs2_get_tree+0x4d/0x1e0
[ 285.315244][ T4621] vfs_get_tree+0x88/0x270
[ 285.319704][ T4621] do_new_mount+0x24a/0xa40
[ 285.324448][ T4621] __se_sys_mount+0x2e3/0x3d0
[ 285.330302][ T4621] ? __x64_sys_mount+0xc0/0xc0
[ 285.335317][ T4621] ? lockdep_hardirqs_on+0x94/0x140
[ 285.340670][ T4621] ? __x64_sys_mount+0x1c/0xc0
[ 285.345499][ T4621] do_syscall_64+0x4c/0xa0
[ 285.350050][ T4621] ? clear_bhb_loop+0x60/0xb0
[ 285.354866][ T4621] ? clear_bhb_loop+0x60/0xb0
[ 285.359767][ T4621] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 285.365802][ T4621] RIP: 0033:0x7ff7d699e04a
[ 285.370256][ T4621] 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
[ 285.390602][ T4621] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 285.399302][ T4621] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 285.407916][ T4621] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 285.416236][ T4621] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 285.424323][ T4621] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 285.432601][ T4621] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 285.440597][ T4621]
[ 285.446478][ T4621] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 285.460638][ T4621] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 285.791816][ T4622] loop1: detected capacity change from 0 to 32768
[ 285.809508][ T4622] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 285.817192][ T4622] CPU: 1 PID: 4622 Comm: syz.1.181 Not tainted syzkaller #0
[ 285.824610][ T4622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 285.834932][ T4622] Call Trace:
[ 285.838503][ T4622]
[ 285.841568][ T4622] dump_stack_lvl+0x188/0x24e
[ 285.846321][ T4622] ? show_regs_print_info+0x12/0x12
[ 285.851678][ T4622] ? load_image+0x400/0x400
[ 285.856684][ T4622] sysfs_create_dir_ns+0x26a/0x290
[ 285.861849][ T4622] ? sysfs_warn_dup+0xa0/0xa0
[ 285.866583][ T4622] ? do_raw_spin_unlock+0x11d/0x230
[ 285.871826][ T4622] kobject_add_internal+0x61c/0xcc0
[ 285.877719][ T4622] kobject_init_and_add+0x128/0x190
[ 285.883358][ T4622] ? lockdep_softirqs_off+0x430/0x430
[ 285.888953][ T4622] ? kobject_add+0x230/0x230
[ 285.893688][ T4622] ? __init_swait_queue_head+0xa5/0x150
[ 285.899304][ T4622] gfs2_sys_fs_add+0x24f/0x4b0
[ 285.904235][ T4622] ? gfs2_recover_set+0x240/0x240
[ 285.909408][ T4622] ? snprintf+0xe5/0x140
[ 285.913854][ T4622] ? vscnprintf+0x80/0x80
[ 285.918263][ T4622] gfs2_fill_super+0x128c/0x1fb0
[ 285.923443][ T4622] ? gfs2_reconfigure+0xd30/0xd30
[ 285.928504][ T4622] ? sb_set_blocksize+0xa5/0xe0
[ 285.933648][ T4622] get_tree_bdev+0x3f1/0x610
[ 285.938305][ T4622] ? gfs2_reconfigure+0xd30/0xd30
[ 285.943408][ T4622] gfs2_get_tree+0x4d/0x1e0
[ 285.947942][ T4622] vfs_get_tree+0x88/0x270
[ 285.952383][ T4622] do_new_mount+0x24a/0xa40
[ 285.956906][ T4622] __se_sys_mount+0x2e3/0x3d0
[ 285.961606][ T4622] ? __x64_sys_mount+0xc0/0xc0
[ 285.966653][ T4622] ? lockdep_hardirqs_on+0x94/0x140
[ 285.972050][ T4622] ? __x64_sys_mount+0x1c/0xc0
[ 285.977152][ T4622] do_syscall_64+0x4c/0xa0
[ 285.981814][ T4622] ? clear_bhb_loop+0x60/0xb0
[ 285.986778][ T4622] ? clear_bhb_loop+0x60/0xb0
[ 285.991795][ T4622] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 285.997836][ T4622] RIP: 0033:0x7ff7d699e04a
[ 286.002283][ T4622] 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
[ 286.022430][ T4622] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 286.030957][ T4622] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 286.039206][ T4622] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 286.047828][ T4622] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 286.056160][ T4622] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 286.064606][ T4622] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 286.072735][ T4622]
[ 286.086663][ T4622] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 286.102623][ T4622] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 286.424860][ T4623] loop1: detected capacity change from 0 to 32768
[ 286.440497][ T4623] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 286.448270][ T4623] CPU: 1 PID: 4623 Comm: syz.1.182 Not tainted syzkaller #0
[ 286.455629][ T4623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 286.465792][ T4623] Call Trace:
[ 286.469217][ T4623]
[ 286.472180][ T4623] dump_stack_lvl+0x188/0x24e
[ 286.476992][ T4623] ? show_regs_print_info+0x12/0x12
[ 286.482487][ T4623] ? load_image+0x400/0x400
[ 286.487200][ T4623] sysfs_create_dir_ns+0x26a/0x290
[ 286.492509][ T4623] ? sysfs_warn_dup+0xa0/0xa0
[ 286.497232][ T4623] ? do_raw_spin_unlock+0x11d/0x230
[ 286.502476][ T4623] kobject_add_internal+0x61c/0xcc0
[ 286.507913][ T4623] kobject_init_and_add+0x128/0x190
[ 286.513433][ T4623] ? lockdep_softirqs_off+0x430/0x430
[ 286.519039][ T4623] ? kobject_add+0x230/0x230
[ 286.523688][ T4623] ? __init_swait_queue_head+0xa5/0x150
[ 286.529362][ T4623] gfs2_sys_fs_add+0x24f/0x4b0
[ 286.534254][ T4623] ? gfs2_recover_set+0x240/0x240
[ 286.539418][ T4623] ? snprintf+0xe5/0x140
[ 286.543772][ T4623] ? vscnprintf+0x80/0x80
[ 286.548301][ T4623] gfs2_fill_super+0x128c/0x1fb0
[ 286.553360][ T4623] ? gfs2_reconfigure+0xd30/0xd30
[ 286.558417][ T4623] ? sb_set_blocksize+0xa5/0xe0
[ 286.563348][ T4623] get_tree_bdev+0x3f1/0x610
[ 286.568046][ T4623] ? gfs2_reconfigure+0xd30/0xd30
[ 286.573090][ T4623] gfs2_get_tree+0x4d/0x1e0
[ 286.577703][ T4623] vfs_get_tree+0x88/0x270
[ 286.582342][ T4623] do_new_mount+0x24a/0xa40
[ 286.586870][ T4623] __se_sys_mount+0x2e3/0x3d0
[ 286.591567][ T4623] ? __x64_sys_mount+0xc0/0xc0
[ 286.596363][ T4623] ? lockdep_hardirqs_on+0x94/0x140
[ 286.601664][ T4623] ? __x64_sys_mount+0x1c/0xc0
[ 286.606449][ T4623] do_syscall_64+0x4c/0xa0
[ 286.611059][ T4623] ? clear_bhb_loop+0x60/0xb0
[ 286.615754][ T4623] ? clear_bhb_loop+0x60/0xb0
[ 286.620453][ T4623] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 286.626796][ T4623] RIP: 0033:0x7ff7d699e04a
[ 286.631225][ T4623] 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
[ 286.651454][ T4623] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 286.659998][ T4623] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 286.668177][ T4623] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 286.676255][ T4623] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 286.684245][ T4623] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 286.692413][ T4623] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 286.700503][ T4623]
[ 286.713312][ T4623] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 286.727589][ T4623] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 287.072548][ T4624] loop1: detected capacity change from 0 to 32768
[ 287.093960][ T4624] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 287.101986][ T4624] CPU: 1 PID: 4624 Comm: syz.1.183 Not tainted syzkaller #0
[ 287.110017][ T4624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 287.120384][ T4624] Call Trace:
[ 287.123810][ T4624]
[ 287.126886][ T4624] dump_stack_lvl+0x188/0x24e
[ 287.131803][ T4624] ? show_regs_print_info+0x12/0x12
[ 287.137079][ T4624] ? load_image+0x400/0x400
[ 287.142012][ T4624] sysfs_create_dir_ns+0x26a/0x290
[ 287.147268][ T4624] ? sysfs_warn_dup+0xa0/0xa0
[ 287.152295][ T4624] ? do_raw_spin_unlock+0x11d/0x230
[ 287.157626][ T4624] kobject_add_internal+0x61c/0xcc0
[ 287.163327][ T4624] kobject_init_and_add+0x128/0x190
[ 287.168762][ T4624] ? lockdep_softirqs_off+0x430/0x430
[ 287.174710][ T4624] ? kobject_add+0x230/0x230
[ 287.179558][ T4624] ? __init_swait_queue_head+0xa5/0x150
[ 287.185160][ T4624] gfs2_sys_fs_add+0x24f/0x4b0
[ 287.190027][ T4624] ? gfs2_recover_set+0x240/0x240
[ 287.195124][ T4624] ? snprintf+0xe5/0x140
[ 287.199506][ T4624] ? vscnprintf+0x80/0x80
[ 287.203979][ T4624] gfs2_fill_super+0x128c/0x1fb0
[ 287.209120][ T4624] ? gfs2_reconfigure+0xd30/0xd30
[ 287.214635][ T4624] ? sb_set_blocksize+0xa5/0xe0
[ 287.219739][ T4624] get_tree_bdev+0x3f1/0x610
[ 287.224385][ T4624] ? gfs2_reconfigure+0xd30/0xd30
[ 287.229551][ T4624] gfs2_get_tree+0x4d/0x1e0
[ 287.234277][ T4624] vfs_get_tree+0x88/0x270
[ 287.238734][ T4624] do_new_mount+0x24a/0xa40
[ 287.243283][ T4624] __se_sys_mount+0x2e3/0x3d0
[ 287.248014][ T4624] ? __x64_sys_mount+0xc0/0xc0
[ 287.252825][ T4624] ? lockdep_hardirqs_on+0x94/0x140
[ 287.258185][ T4624] ? __x64_sys_mount+0x1c/0xc0
[ 287.263004][ T4624] do_syscall_64+0x4c/0xa0
[ 287.267474][ T4624] ? clear_bhb_loop+0x60/0xb0
[ 287.272280][ T4624] ? clear_bhb_loop+0x60/0xb0
[ 287.276982][ T4624] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 287.282901][ T4624] RIP: 0033:0x7ff7d699e04a
[ 287.287543][ T4624] 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
[ 287.307889][ T4624] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 287.316591][ T4624] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 287.324938][ T4624] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 287.333006][ T4624] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 287.341775][ T4624] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 287.349761][ T4624] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 287.357747][ T4624]
[ 287.370753][ T4624] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 287.384551][ T4624] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 287.758514][ T4625] loop1: detected capacity change from 0 to 32768
[ 287.777695][ T4625] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 287.786562][ T4625] CPU: 0 PID: 4625 Comm: syz.1.184 Not tainted syzkaller #0
[ 287.794429][ T4625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 287.804647][ T4625] Call Trace:
[ 287.808161][ T4625]
[ 287.811304][ T4625] dump_stack_lvl+0x188/0x24e
[ 287.816199][ T4625] ? show_regs_print_info+0x12/0x12
[ 287.821536][ T4625] ? load_image+0x400/0x400
[ 287.826242][ T4625] sysfs_create_dir_ns+0x26a/0x290
[ 287.831555][ T4625] ? sysfs_warn_dup+0xa0/0xa0
[ 287.836348][ T4625] ? do_raw_spin_unlock+0x11d/0x230
[ 287.841598][ T4625] kobject_add_internal+0x61c/0xcc0
[ 287.846941][ T4625] kobject_init_and_add+0x128/0x190
[ 287.852530][ T4625] ? lockdep_softirqs_off+0x430/0x430
[ 287.858049][ T4625] ? kobject_add+0x230/0x230
[ 287.862950][ T4625] ? __init_swait_queue_head+0xa5/0x150
[ 287.868869][ T4625] gfs2_sys_fs_add+0x24f/0x4b0
[ 287.873710][ T4625] ? gfs2_recover_set+0x240/0x240
[ 287.879136][ T4625] ? snprintf+0xe5/0x140
[ 287.883420][ T4625] ? vscnprintf+0x80/0x80
[ 287.887871][ T4625] gfs2_fill_super+0x128c/0x1fb0
[ 287.892928][ T4625] ? gfs2_reconfigure+0xd30/0xd30
[ 287.898060][ T4625] ? sb_set_blocksize+0xa5/0xe0
[ 287.903988][ T4625] get_tree_bdev+0x3f1/0x610
[ 287.908820][ T4625] ? gfs2_reconfigure+0xd30/0xd30
[ 287.913977][ T4625] gfs2_get_tree+0x4d/0x1e0
[ 287.918759][ T4625] vfs_get_tree+0x88/0x270
[ 287.923628][ T4625] do_new_mount+0x24a/0xa40
[ 287.928328][ T4625] __se_sys_mount+0x2e3/0x3d0
[ 287.933029][ T4625] ? __x64_sys_mount+0xc0/0xc0
[ 287.937821][ T4625] ? lockdep_hardirqs_on+0x94/0x140
[ 287.943122][ T4625] ? __x64_sys_mount+0x1c/0xc0
[ 287.948232][ T4625] do_syscall_64+0x4c/0xa0
[ 287.952840][ T4625] ? clear_bhb_loop+0x60/0xb0
[ 287.957805][ T4625] ? clear_bhb_loop+0x60/0xb0
[ 287.962760][ T4625] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 287.968845][ T4625] RIP: 0033:0x7ff7d699e04a
[ 287.973537][ T4625] 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
[ 287.994374][ T4625] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 288.002939][ T4625] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 288.011451][ T4625] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 288.019435][ T4625] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 288.027695][ T4625] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 288.035700][ T4625] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 288.043998][ T4625]
[ 288.064591][ T4625] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 288.081512][ T4625] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 288.394645][ T4626] loop1: detected capacity change from 0 to 32768
[ 288.414586][ T4626] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 288.422851][ T4626] CPU: 0 PID: 4626 Comm: syz.1.185 Not tainted syzkaller #0
[ 288.430532][ T4626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 288.440900][ T4626] Call Trace:
[ 288.444245][ T4626]
[ 288.447206][ T4626] dump_stack_lvl+0x188/0x24e
[ 288.451932][ T4626] ? show_regs_print_info+0x12/0x12
[ 288.457594][ T4626] ? load_image+0x400/0x400
[ 288.462386][ T4626] sysfs_create_dir_ns+0x26a/0x290
[ 288.467578][ T4626] ? sysfs_warn_dup+0xa0/0xa0
[ 288.472499][ T4626] ? do_raw_spin_unlock+0x11d/0x230
[ 288.477996][ T4626] kobject_add_internal+0x61c/0xcc0
[ 288.483387][ T4626] kobject_init_and_add+0x128/0x190
[ 288.488940][ T4626] ? lockdep_softirqs_off+0x430/0x430
[ 288.494621][ T4626] ? kobject_add+0x230/0x230
[ 288.499238][ T4626] ? __init_swait_queue_head+0xa5/0x150
[ 288.504925][ T4626] gfs2_sys_fs_add+0x24f/0x4b0
[ 288.509811][ T4626] ? gfs2_recover_set+0x240/0x240
[ 288.514945][ T4626] ? snprintf+0xe5/0x140
[ 288.519206][ T4626] ? vscnprintf+0x80/0x80
[ 288.524223][ T4626] gfs2_fill_super+0x128c/0x1fb0
[ 288.529305][ T4626] ? gfs2_reconfigure+0xd30/0xd30
[ 288.534676][ T4626] ? sb_set_blocksize+0xa5/0xe0
[ 288.539580][ T4626] get_tree_bdev+0x3f1/0x610
[ 288.544295][ T4626] ? gfs2_reconfigure+0xd30/0xd30
[ 288.549514][ T4626] gfs2_get_tree+0x4d/0x1e0
[ 288.554133][ T4626] vfs_get_tree+0x88/0x270
[ 288.558576][ T4626] do_new_mount+0x24a/0xa40
[ 288.563265][ T4626] __se_sys_mount+0x2e3/0x3d0
[ 288.568227][ T4626] ? __x64_sys_mount+0xc0/0xc0
[ 288.573209][ T4626] ? lockdep_hardirqs_on+0x94/0x140
[ 288.578648][ T4626] ? __x64_sys_mount+0x1c/0xc0
[ 288.583455][ T4626] do_syscall_64+0x4c/0xa0
[ 288.587910][ T4626] ? clear_bhb_loop+0x60/0xb0
[ 288.592718][ T4626] ? clear_bhb_loop+0x60/0xb0
[ 288.597681][ T4626] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 288.603775][ T4626] RIP: 0033:0x7ff7d699e04a
[ 288.608423][ T4626] 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
[ 288.629300][ T4626] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 288.637933][ T4626] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 288.646388][ T4626] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 288.654734][ T4626] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 288.662899][ T4626] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 288.671068][ T4626] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 288.679261][ T4626]
[ 288.688539][ T4626] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 288.702776][ T4626] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/26 09:37:00 executed programs: 171
[ 289.038244][ T4627] loop1: detected capacity change from 0 to 32768
[ 289.053891][ T4627] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 289.064588][ T4627] CPU: 1 PID: 4627 Comm: syz.1.186 Not tainted syzkaller #0
[ 289.072126][ T4627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 289.082429][ T4627] Call Trace:
[ 289.085919][ T4627]
[ 289.088904][ T4627] dump_stack_lvl+0x188/0x24e
[ 289.093918][ T4627] ? show_regs_print_info+0x12/0x12
[ 289.099449][ T4627] ? load_image+0x400/0x400
[ 289.104038][ T4627] sysfs_create_dir_ns+0x26a/0x290
[ 289.109402][ T4627] ? sysfs_warn_dup+0xa0/0xa0
[ 289.114134][ T4627] ? do_raw_spin_unlock+0x11d/0x230
[ 289.119569][ T4627] kobject_add_internal+0x61c/0xcc0
[ 289.124911][ T4627] kobject_init_and_add+0x128/0x190
[ 289.130366][ T4627] ? lockdep_softirqs_off+0x430/0x430
[ 289.136054][ T4627] ? kobject_add+0x230/0x230
[ 289.141361][ T4627] ? __init_swait_queue_head+0xa5/0x150
[ 289.147418][ T4627] gfs2_sys_fs_add+0x24f/0x4b0
[ 289.152583][ T4627] ? gfs2_recover_set+0x240/0x240
[ 289.157807][ T4627] ? snprintf+0xe5/0x140
[ 289.162256][ T4627] ? vscnprintf+0x80/0x80
[ 289.166906][ T4627] gfs2_fill_super+0x128c/0x1fb0
[ 289.172178][ T4627] ? gfs2_reconfigure+0xd30/0xd30
[ 289.177242][ T4627] ? sb_set_blocksize+0xa5/0xe0
[ 289.182124][ T4627] get_tree_bdev+0x3f1/0x610
[ 289.187108][ T4627] ? gfs2_reconfigure+0xd30/0xd30
[ 289.192527][ T4627] gfs2_get_tree+0x4d/0x1e0
[ 289.197159][ T4627] vfs_get_tree+0x88/0x270
[ 289.201766][ T4627] do_new_mount+0x24a/0xa40
[ 289.206300][ T4627] __se_sys_mount+0x2e3/0x3d0
[ 289.211004][ T4627] ? __x64_sys_mount+0xc0/0xc0
[ 289.216325][ T4627] ? lockdep_hardirqs_on+0x94/0x140
[ 289.221977][ T4627] ? __x64_sys_mount+0x1c/0xc0
[ 289.227116][ T4627] do_syscall_64+0x4c/0xa0
[ 289.231692][ T4627] ? clear_bhb_loop+0x60/0xb0
[ 289.236563][ T4627] ? clear_bhb_loop+0x60/0xb0
[ 289.241618][ T4627] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 289.247977][ T4627] RIP: 0033:0x7ff7d699e04a
[ 289.252582][ T4627] 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
[ 289.272988][ T4627] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 289.281437][ T4627] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 289.289600][ T4627] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 289.297733][ T4627] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 289.305982][ T4627] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 289.314377][ T4627] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 289.322758][ T4627]
[ 289.335183][ T4627] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 289.351096][ T4627] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 289.669827][ T4628] loop1: detected capacity change from 0 to 32768
[ 289.694135][ T4628] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 289.701913][ T4628] CPU: 1 PID: 4628 Comm: syz.1.187 Not tainted syzkaller #0
[ 289.709443][ T4628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 289.720063][ T4628] Call Trace:
[ 289.723472][ T4628]
[ 289.726507][ T4628] dump_stack_lvl+0x188/0x24e
[ 289.731440][ T4628] ? show_regs_print_info+0x12/0x12
[ 289.736786][ T4628] ? load_image+0x400/0x400
[ 289.741365][ T4628] sysfs_create_dir_ns+0x26a/0x290
[ 289.746806][ T4628] ? sysfs_warn_dup+0xa0/0xa0
[ 289.752542][ T4628] ? do_raw_spin_unlock+0x11d/0x230
[ 289.758004][ T4628] kobject_add_internal+0x61c/0xcc0
[ 289.763805][ T4628] kobject_init_and_add+0x128/0x190
[ 289.769215][ T4628] ? lockdep_softirqs_off+0x430/0x430
[ 289.774691][ T4628] ? kobject_add+0x230/0x230
[ 289.779435][ T4628] ? __init_swait_queue_head+0xa5/0x150
[ 289.785314][ T4628] gfs2_sys_fs_add+0x24f/0x4b0
[ 289.790851][ T4628] ? gfs2_recover_set+0x240/0x240
[ 289.796040][ T4628] ? snprintf+0xe5/0x140
[ 289.800391][ T4628] ? vscnprintf+0x80/0x80
[ 289.804791][ T4628] gfs2_fill_super+0x128c/0x1fb0
[ 289.809883][ T4628] ? gfs2_reconfigure+0xd30/0xd30
[ 289.815082][ T4628] ? sb_set_blocksize+0xa5/0xe0
[ 289.820932][ T4628] get_tree_bdev+0x3f1/0x610
[ 289.825818][ T4628] ? gfs2_reconfigure+0xd30/0xd30
[ 289.831045][ T4628] gfs2_get_tree+0x4d/0x1e0
[ 289.835745][ T4628] vfs_get_tree+0x88/0x270
[ 289.840296][ T4628] do_new_mount+0x24a/0xa40
[ 289.844832][ T4628] __se_sys_mount+0x2e3/0x3d0
[ 289.849666][ T4628] ? __x64_sys_mount+0xc0/0xc0
[ 289.854732][ T4628] ? lockdep_hardirqs_on+0x94/0x140
[ 289.860501][ T4628] ? __x64_sys_mount+0x1c/0xc0
[ 289.865425][ T4628] do_syscall_64+0x4c/0xa0
[ 289.869998][ T4628] ? clear_bhb_loop+0x60/0xb0
[ 289.874720][ T4628] ? clear_bhb_loop+0x60/0xb0
[ 289.879851][ T4628] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 289.886029][ T4628] RIP: 0033:0x7ff7d699e04a
[ 289.890727][ T4628] 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
[ 289.910967][ T4628] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 289.919519][ T4628] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 289.927898][ T4628] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 289.936279][ T4628] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 289.944715][ T4628] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 289.953062][ T4628] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 289.961414][ T4628]
[ 289.970648][ T4628] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 289.985290][ T4628] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 290.300396][ T4629] loop1: detected capacity change from 0 to 32768
[ 290.313861][ T4629] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 290.322017][ T4629] CPU: 0 PID: 4629 Comm: syz.1.188 Not tainted syzkaller #0
[ 290.329567][ T4629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 290.339756][ T4629] Call Trace:
[ 290.343074][ T4629]
[ 290.346131][ T4629] dump_stack_lvl+0x188/0x24e
[ 290.350968][ T4629] ? show_regs_print_info+0x12/0x12
[ 290.356217][ T4629] ? load_image+0x400/0x400
[ 290.361017][ T4629] sysfs_create_dir_ns+0x26a/0x290
[ 290.366168][ T4629] ? sysfs_warn_dup+0xa0/0xa0
[ 290.370863][ T4629] ? do_raw_spin_unlock+0x11d/0x230
[ 290.376091][ T4629] kobject_add_internal+0x61c/0xcc0
[ 290.381405][ T4629] kobject_init_and_add+0x128/0x190
[ 290.386930][ T4629] ? lockdep_softirqs_off+0x430/0x430
[ 290.392761][ T4629] ? kobject_add+0x230/0x230
[ 290.397470][ T4629] ? __init_swait_queue_head+0xa5/0x150
[ 290.403239][ T4629] gfs2_sys_fs_add+0x24f/0x4b0
[ 290.408139][ T4629] ? gfs2_recover_set+0x240/0x240
[ 290.413291][ T4629] ? snprintf+0xe5/0x140
[ 290.417653][ T4629] ? vscnprintf+0x80/0x80
[ 290.422485][ T4629] gfs2_fill_super+0x128c/0x1fb0
[ 290.427885][ T4629] ? gfs2_reconfigure+0xd30/0xd30
[ 290.433106][ T4629] ? sb_set_blocksize+0xa5/0xe0
[ 290.438185][ T4629] get_tree_bdev+0x3f1/0x610
[ 290.442996][ T4629] ? gfs2_reconfigure+0xd30/0xd30
[ 290.448078][ T4629] gfs2_get_tree+0x4d/0x1e0
[ 290.452606][ T4629] vfs_get_tree+0x88/0x270
[ 290.457039][ T4629] do_new_mount+0x24a/0xa40
[ 290.462000][ T4629] __se_sys_mount+0x2e3/0x3d0
[ 290.467141][ T4629] ? __x64_sys_mount+0xc0/0xc0
[ 290.472108][ T4629] ? lockdep_hardirqs_on+0x94/0x140
[ 290.477325][ T4629] ? __x64_sys_mount+0x1c/0xc0
[ 290.482123][ T4629] do_syscall_64+0x4c/0xa0
[ 290.487089][ T4629] ? clear_bhb_loop+0x60/0xb0
[ 290.492770][ T4629] ? clear_bhb_loop+0x60/0xb0
[ 290.497471][ T4629] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 290.503503][ T4629] RIP: 0033:0x7ff7d699e04a
[ 290.508204][ T4629] 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
[ 290.529237][ T4629] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 290.537943][ T4629] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 290.546207][ T4629] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 290.554244][ T4629] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 290.562247][ T4629] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 290.570457][ T4629] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 290.578843][ T4629]
[ 290.584877][ T4629] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 290.600110][ T4629] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 290.936798][ T4630] loop1: detected capacity change from 0 to 32768
[ 290.961558][ T4630] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 290.969128][ T4630] CPU: 0 PID: 4630 Comm: syz.1.189 Not tainted syzkaller #0
[ 290.976650][ T4630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 290.988896][ T4630] Call Trace:
[ 290.992441][ T4630]
[ 290.995977][ T4630] dump_stack_lvl+0x188/0x24e
[ 291.000994][ T4630] ? show_regs_print_info+0x12/0x12
[ 291.006516][ T4630] ? load_image+0x400/0x400
[ 291.011422][ T4630] sysfs_create_dir_ns+0x26a/0x290
[ 291.016781][ T4630] ? sysfs_warn_dup+0xa0/0xa0
[ 291.021524][ T4630] ? do_raw_spin_unlock+0x11d/0x230
[ 291.026858][ T4630] kobject_add_internal+0x61c/0xcc0
[ 291.032174][ T4630] kobject_init_and_add+0x128/0x190
[ 291.037661][ T4630] ? lockdep_softirqs_off+0x430/0x430
[ 291.043465][ T4630] ? kobject_add+0x230/0x230
[ 291.048544][ T4630] ? __init_swait_queue_head+0xa5/0x150
[ 291.054406][ T4630] gfs2_sys_fs_add+0x24f/0x4b0
[ 291.059341][ T4630] ? gfs2_recover_set+0x240/0x240
[ 291.064695][ T4630] ? snprintf+0xe5/0x140
[ 291.068990][ T4630] ? vscnprintf+0x80/0x80
[ 291.073408][ T4630] gfs2_fill_super+0x128c/0x1fb0
[ 291.078452][ T4630] ? gfs2_reconfigure+0xd30/0xd30
[ 291.083640][ T4630] ? sb_set_blocksize+0xa5/0xe0
[ 291.089142][ T4630] get_tree_bdev+0x3f1/0x610
[ 291.094237][ T4630] ? gfs2_reconfigure+0xd30/0xd30
[ 291.099397][ T4630] gfs2_get_tree+0x4d/0x1e0
[ 291.104145][ T4630] vfs_get_tree+0x88/0x270
[ 291.108789][ T4630] do_new_mount+0x24a/0xa40
[ 291.113605][ T4630] __se_sys_mount+0x2e3/0x3d0
[ 291.118683][ T4630] ? __x64_sys_mount+0xc0/0xc0
[ 291.123590][ T4630] ? lockdep_hardirqs_on+0x94/0x140
[ 291.128953][ T4630] ? __x64_sys_mount+0x1c/0xc0
[ 291.133785][ T4630] do_syscall_64+0x4c/0xa0
[ 291.138379][ T4630] ? clear_bhb_loop+0x60/0xb0
[ 291.143100][ T4630] ? clear_bhb_loop+0x60/0xb0
[ 291.147951][ T4630] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 291.153984][ T4630] RIP: 0033:0x7ff7d699e04a
[ 291.158409][ T4630] 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
[ 291.178571][ T4630] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 291.187030][ T4630] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 291.195729][ T4630] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 291.203847][ T4630] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 291.212201][ T4630] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 291.220378][ T4630] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 291.228812][ T4630]
[ 291.237005][ T4630] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 291.250574][ T4630] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 291.605954][ T4631] loop1: detected capacity change from 0 to 32768
[ 291.631528][ T4631] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 291.639251][ T4631] CPU: 1 PID: 4631 Comm: syz.1.190 Not tainted syzkaller #0
[ 291.646682][ T4631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 291.657289][ T4631] Call Trace:
[ 291.660693][ T4631]
[ 291.663764][ T4631] dump_stack_lvl+0x188/0x24e
[ 291.668628][ T4631] ? show_regs_print_info+0x12/0x12
[ 291.673887][ T4631] ? load_image+0x400/0x400
[ 291.678539][ T4631] sysfs_create_dir_ns+0x26a/0x290
[ 291.683704][ T4631] ? sysfs_warn_dup+0xa0/0xa0
[ 291.688434][ T4631] ? do_raw_spin_unlock+0x11d/0x230
[ 291.693682][ T4631] kobject_add_internal+0x61c/0xcc0
[ 291.699219][ T4631] kobject_init_and_add+0x128/0x190
[ 291.704527][ T4631] ? lockdep_softirqs_off+0x430/0x430
[ 291.710215][ T4631] ? kobject_add+0x230/0x230
[ 291.715119][ T4631] ? __init_swait_queue_head+0xa5/0x150
[ 291.721074][ T4631] gfs2_sys_fs_add+0x24f/0x4b0
[ 291.725909][ T4631] ? gfs2_recover_set+0x240/0x240
[ 291.731252][ T4631] ? snprintf+0xe5/0x140
[ 291.735653][ T4631] ? vscnprintf+0x80/0x80
[ 291.740132][ T4631] gfs2_fill_super+0x128c/0x1fb0
[ 291.745408][ T4631] ? gfs2_reconfigure+0xd30/0xd30
[ 291.750586][ T4631] ? sb_set_blocksize+0xa5/0xe0
[ 291.756033][ T4631] get_tree_bdev+0x3f1/0x610
[ 291.760946][ T4631] ? gfs2_reconfigure+0xd30/0xd30
[ 291.766291][ T4631] gfs2_get_tree+0x4d/0x1e0
[ 291.771218][ T4631] vfs_get_tree+0x88/0x270
[ 291.775873][ T4631] do_new_mount+0x24a/0xa40
[ 291.780517][ T4631] __se_sys_mount+0x2e3/0x3d0
[ 291.785547][ T4631] ? __x64_sys_mount+0xc0/0xc0
[ 291.790376][ T4631] ? lockdep_hardirqs_on+0x94/0x140
[ 291.795887][ T4631] ? __x64_sys_mount+0x1c/0xc0
[ 291.800793][ T4631] do_syscall_64+0x4c/0xa0
[ 291.805371][ T4631] ? clear_bhb_loop+0x60/0xb0
[ 291.810258][ T4631] ? clear_bhb_loop+0x60/0xb0
[ 291.815164][ T4631] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 291.821182][ T4631] RIP: 0033:0x7ff7d699e04a
[ 291.825801][ T4631] 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
[ 291.846311][ T4631] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 291.855063][ T4631] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 291.863556][ T4631] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 291.872017][ T4631] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 291.880266][ T4631] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 291.888337][ T4631] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 291.896767][ T4631]
[ 291.903365][ T4631] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 291.917797][ T4631] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 292.281008][ T4632] loop1: detected capacity change from 0 to 32768
[ 292.296956][ T4632] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 292.305220][ T4632] CPU: 1 PID: 4632 Comm: syz.1.191 Not tainted syzkaller #0
[ 292.312658][ T4632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 292.322954][ T4632] Call Trace:
[ 292.326371][ T4632]
[ 292.329359][ T4632] dump_stack_lvl+0x188/0x24e
[ 292.334199][ T4632] ? show_regs_print_info+0x12/0x12
[ 292.339451][ T4632] ? load_image+0x400/0x400
[ 292.344021][ T4632] sysfs_create_dir_ns+0x26a/0x290
[ 292.349275][ T4632] ? sysfs_warn_dup+0xa0/0xa0
[ 292.354099][ T4632] ? do_raw_spin_unlock+0x11d/0x230
[ 292.359350][ T4632] kobject_add_internal+0x61c/0xcc0
[ 292.364606][ T4632] kobject_init_and_add+0x128/0x190
[ 292.369850][ T4632] ? lockdep_softirqs_off+0x430/0x430
[ 292.375456][ T4632] ? kobject_add+0x230/0x230
[ 292.380185][ T4632] ? __init_swait_queue_head+0xa5/0x150
[ 292.385869][ T4632] gfs2_sys_fs_add+0x24f/0x4b0
[ 292.390689][ T4632] ? gfs2_recover_set+0x240/0x240
[ 292.395841][ T4632] ? snprintf+0xe5/0x140
[ 292.400208][ T4632] ? vscnprintf+0x80/0x80
[ 292.404680][ T4632] gfs2_fill_super+0x128c/0x1fb0
[ 292.409867][ T4632] ? gfs2_reconfigure+0xd30/0xd30
[ 292.415140][ T4632] ? sb_set_blocksize+0xa5/0xe0
[ 292.420223][ T4632] get_tree_bdev+0x3f1/0x610
[ 292.424866][ T4632] ? gfs2_reconfigure+0xd30/0xd30
[ 292.430266][ T4632] gfs2_get_tree+0x4d/0x1e0
[ 292.434923][ T4632] vfs_get_tree+0x88/0x270
[ 292.439472][ T4632] do_new_mount+0x24a/0xa40
[ 292.444137][ T4632] __se_sys_mount+0x2e3/0x3d0
[ 292.448955][ T4632] ? __x64_sys_mount+0xc0/0xc0
[ 292.453855][ T4632] ? lockdep_hardirqs_on+0x94/0x140
[ 292.459192][ T4632] ? __x64_sys_mount+0x1c/0xc0
[ 292.464023][ T4632] do_syscall_64+0x4c/0xa0
[ 292.468675][ T4632] ? clear_bhb_loop+0x60/0xb0
[ 292.475078][ T4632] ? clear_bhb_loop+0x60/0xb0
[ 292.480084][ T4632] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 292.486553][ T4632] RIP: 0033:0x7ff7d699e04a
[ 292.491199][ T4632] 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
[ 292.511441][ T4632] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 292.520260][ T4632] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 292.528432][ T4632] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 292.536685][ T4632] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 292.544941][ T4632] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 292.553212][ T4632] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 292.561449][ T4632]
[ 292.567173][ T4632] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 292.580727][ T4632] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 292.945905][ T4633] loop1: detected capacity change from 0 to 32768
[ 292.962501][ T4633] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 292.970276][ T4633] CPU: 0 PID: 4633 Comm: syz.1.192 Not tainted syzkaller #0
[ 292.978267][ T4633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 292.988980][ T4633] Call Trace:
[ 292.992305][ T4633]
[ 292.995438][ T4633] dump_stack_lvl+0x188/0x24e
[ 293.000354][ T4633] ? show_regs_print_info+0x12/0x12
[ 293.005618][ T4633] ? load_image+0x400/0x400
[ 293.010190][ T4633] sysfs_create_dir_ns+0x26a/0x290
[ 293.015352][ T4633] ? sysfs_warn_dup+0xa0/0xa0
[ 293.020355][ T4633] ? do_raw_spin_unlock+0x11d/0x230
[ 293.026032][ T4633] kobject_add_internal+0x61c/0xcc0
[ 293.031697][ T4633] kobject_init_and_add+0x128/0x190
[ 293.036909][ T4633] ? lockdep_softirqs_off+0x430/0x430
[ 293.042315][ T4633] ? kobject_add+0x230/0x230
[ 293.047061][ T4633] ? __init_swait_queue_head+0xa5/0x150
[ 293.052767][ T4633] gfs2_sys_fs_add+0x24f/0x4b0
[ 293.057572][ T4633] ? gfs2_recover_set+0x240/0x240
[ 293.062719][ T4633] ? snprintf+0xe5/0x140
[ 293.066996][ T4633] ? vscnprintf+0x80/0x80
[ 293.071439][ T4633] gfs2_fill_super+0x128c/0x1fb0
[ 293.076583][ T4633] ? gfs2_reconfigure+0xd30/0xd30
[ 293.081634][ T4633] ? sb_set_blocksize+0xa5/0xe0
[ 293.086683][ T4633] get_tree_bdev+0x3f1/0x610
[ 293.091294][ T4633] ? gfs2_reconfigure+0xd30/0xd30
[ 293.096423][ T4633] gfs2_get_tree+0x4d/0x1e0
[ 293.101183][ T4633] vfs_get_tree+0x88/0x270
[ 293.105620][ T4633] do_new_mount+0x24a/0xa40
[ 293.110147][ T4633] __se_sys_mount+0x2e3/0x3d0
[ 293.114860][ T4633] ? __x64_sys_mount+0xc0/0xc0
[ 293.119759][ T4633] ? lockdep_hardirqs_on+0x94/0x140
[ 293.125004][ T4633] ? __x64_sys_mount+0x1c/0xc0
[ 293.129828][ T4633] do_syscall_64+0x4c/0xa0
[ 293.134639][ T4633] ? clear_bhb_loop+0x60/0xb0
[ 293.139473][ T4633] ? clear_bhb_loop+0x60/0xb0
[ 293.144521][ T4633] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 293.150605][ T4633] RIP: 0033:0x7ff7d699e04a
[ 293.155124][ T4633] 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
[ 293.175097][ T4633] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 293.183619][ T4633] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 293.191612][ T4633] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 293.199773][ T4633] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 293.207935][ T4633] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 293.216004][ T4633] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 293.224098][ T4633]
[ 293.229726][ T4633] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 293.260370][ T4633] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 293.600234][ T4634] loop1: detected capacity change from 0 to 32768
[ 293.615784][ T4634] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 293.623533][ T4634] CPU: 1 PID: 4634 Comm: syz.1.193 Not tainted syzkaller #0
[ 293.630950][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 293.641229][ T4634] Call Trace:
[ 293.644720][ T4634]
[ 293.647786][ T4634] dump_stack_lvl+0x188/0x24e
[ 293.652780][ T4634] ? show_regs_print_info+0x12/0x12
[ 293.658205][ T4634] ? load_image+0x400/0x400
[ 293.662859][ T4634] sysfs_create_dir_ns+0x26a/0x290
[ 293.668122][ T4634] ? sysfs_warn_dup+0xa0/0xa0
[ 293.672854][ T4634] ? do_raw_spin_unlock+0x11d/0x230
[ 293.678273][ T4634] kobject_add_internal+0x61c/0xcc0
[ 293.683792][ T4634] kobject_init_and_add+0x128/0x190
[ 293.689376][ T4634] ? lockdep_softirqs_off+0x430/0x430
[ 293.694997][ T4634] ? kobject_add+0x230/0x230
[ 293.699840][ T4634] ? __init_swait_queue_head+0xa5/0x150
[ 293.705710][ T4634] gfs2_sys_fs_add+0x24f/0x4b0
[ 293.710685][ T4634] ? gfs2_recover_set+0x240/0x240
[ 293.715819][ T4634] ? snprintf+0xe5/0x140
[ 293.720348][ T4634] ? vscnprintf+0x80/0x80
[ 293.724737][ T4634] gfs2_fill_super+0x128c/0x1fb0
[ 293.729760][ T4634] ? gfs2_reconfigure+0xd30/0xd30
[ 293.734919][ T4634] ? sb_set_blocksize+0xa5/0xe0
[ 293.739985][ T4634] get_tree_bdev+0x3f1/0x610
[ 293.744965][ T4634] ? gfs2_reconfigure+0xd30/0xd30
[ 293.750137][ T4634] gfs2_get_tree+0x4d/0x1e0
[ 293.754768][ T4634] vfs_get_tree+0x88/0x270
[ 293.759297][ T4634] do_new_mount+0x24a/0xa40
[ 293.763822][ T4634] __se_sys_mount+0x2e3/0x3d0
[ 293.768606][ T4634] ? __x64_sys_mount+0xc0/0xc0
[ 293.773414][ T4634] ? lockdep_hardirqs_on+0x94/0x140
[ 293.778726][ T4634] ? __x64_sys_mount+0x1c/0xc0
[ 293.783598][ T4634] do_syscall_64+0x4c/0xa0
[ 293.788152][ T4634] ? clear_bhb_loop+0x60/0xb0
[ 293.792939][ T4634] ? clear_bhb_loop+0x60/0xb0
[ 293.797639][ T4634] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 293.803821][ T4634] RIP: 0033:0x7ff7d699e04a
[ 293.808436][ T4634] 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
[ 293.828880][ T4634] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 293.837417][ T4634] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 293.846018][ T4634] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 293.854044][ T4634] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 293.862126][ T4634] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 293.870289][ T4634] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 293.878462][ T4634]
[ 293.892244][ T4634] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 293.906204][ T4634] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/26 09:37:06 executed programs: 179
[ 294.245866][ T4635] loop1: detected capacity change from 0 to 32768
[ 294.261519][ T4635] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 294.269045][ T4635] CPU: 0 PID: 4635 Comm: syz.1.194 Not tainted syzkaller #0
[ 294.276446][ T4635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 294.286642][ T4635] Call Trace:
[ 294.290313][ T4635]
[ 294.293378][ T4635] dump_stack_lvl+0x188/0x24e
[ 294.298121][ T4635] ? show_regs_print_info+0x12/0x12
[ 294.303396][ T4635] ? load_image+0x400/0x400
[ 294.308066][ T4635] sysfs_create_dir_ns+0x26a/0x290
[ 294.313409][ T4635] ? sysfs_warn_dup+0xa0/0xa0
[ 294.318191][ T4635] ? do_raw_spin_unlock+0x11d/0x230
[ 294.323756][ T4635] kobject_add_internal+0x61c/0xcc0
[ 294.329251][ T4635] kobject_init_and_add+0x128/0x190
[ 294.334641][ T4635] ? lockdep_softirqs_off+0x430/0x430
[ 294.340215][ T4635] ? kobject_add+0x230/0x230
[ 294.344825][ T4635] ? __init_swait_queue_head+0xa5/0x150
[ 294.350501][ T4635] gfs2_sys_fs_add+0x24f/0x4b0
[ 294.355462][ T4635] ? gfs2_recover_set+0x240/0x240
[ 294.360595][ T4635] ? snprintf+0xe5/0x140
[ 294.364943][ T4635] ? vscnprintf+0x80/0x80
[ 294.369471][ T4635] gfs2_fill_super+0x128c/0x1fb0
[ 294.374526][ T4635] ? gfs2_reconfigure+0xd30/0xd30
[ 294.379887][ T4635] ? sb_set_blocksize+0xa5/0xe0
[ 294.385387][ T4635] get_tree_bdev+0x3f1/0x610
[ 294.390275][ T4635] ? gfs2_reconfigure+0xd30/0xd30
[ 294.395493][ T4635] gfs2_get_tree+0x4d/0x1e0
[ 294.400436][ T4635] vfs_get_tree+0x88/0x270
[ 294.405415][ T4635] do_new_mount+0x24a/0xa40
[ 294.410035][ T4635] __se_sys_mount+0x2e3/0x3d0
[ 294.414825][ T4635] ? __x64_sys_mount+0xc0/0xc0
[ 294.419784][ T4635] ? lockdep_hardirqs_on+0x94/0x140
[ 294.425326][ T4635] ? __x64_sys_mount+0x1c/0xc0
[ 294.430114][ T4635] do_syscall_64+0x4c/0xa0
[ 294.435328][ T4635] ? clear_bhb_loop+0x60/0xb0
[ 294.440373][ T4635] ? clear_bhb_loop+0x60/0xb0
[ 294.445335][ T4635] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 294.451505][ T4635] RIP: 0033:0x7ff7d699e04a
[ 294.455939][ T4635] 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
[ 294.476102][ T4635] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 294.484847][ T4635] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 294.494088][ T4635] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 294.502704][ T4635] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 294.511067][ T4635] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 294.519706][ T4635] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 294.528009][ T4635]
[ 294.541215][ T4635] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 294.557721][ T4635] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 294.915740][ T4636] loop1: detected capacity change from 0 to 32768
[ 294.932762][ T4636] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 294.940474][ T4636] CPU: 1 PID: 4636 Comm: syz.1.195 Not tainted syzkaller #0
[ 294.947896][ T4636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 294.958105][ T4636] Call Trace:
[ 294.961529][ T4636]
[ 294.964681][ T4636] dump_stack_lvl+0x188/0x24e
[ 294.969426][ T4636] ? show_regs_print_info+0x12/0x12
[ 294.974687][ T4636] ? load_image+0x400/0x400
[ 294.979273][ T4636] sysfs_create_dir_ns+0x26a/0x290
[ 294.984513][ T4636] ? sysfs_warn_dup+0xa0/0xa0
[ 294.989295][ T4636] ? do_raw_spin_unlock+0x11d/0x230
[ 294.994624][ T4636] kobject_add_internal+0x61c/0xcc0
[ 294.999880][ T4636] kobject_init_and_add+0x128/0x190
[ 295.005417][ T4636] ? lockdep_softirqs_off+0x430/0x430
[ 295.010815][ T4636] ? kobject_add+0x230/0x230
[ 295.015687][ T4636] ? __init_swait_queue_head+0xa5/0x150
[ 295.021354][ T4636] gfs2_sys_fs_add+0x24f/0x4b0
[ 295.026494][ T4636] ? gfs2_recover_set+0x240/0x240
[ 295.031628][ T4636] ? snprintf+0xe5/0x140
[ 295.036242][ T4636] ? vscnprintf+0x80/0x80
[ 295.040858][ T4636] gfs2_fill_super+0x128c/0x1fb0
[ 295.045923][ T4636] ? gfs2_reconfigure+0xd30/0xd30
[ 295.051066][ T4636] ? sb_set_blocksize+0xa5/0xe0
[ 295.056048][ T4636] get_tree_bdev+0x3f1/0x610
[ 295.060839][ T4636] ? gfs2_reconfigure+0xd30/0xd30
[ 295.066145][ T4636] gfs2_get_tree+0x4d/0x1e0
[ 295.070686][ T4636] vfs_get_tree+0x88/0x270
[ 295.075230][ T4636] do_new_mount+0x24a/0xa40
[ 295.079877][ T4636] __se_sys_mount+0x2e3/0x3d0
[ 295.084598][ T4636] ? __x64_sys_mount+0xc0/0xc0
[ 295.089663][ T4636] ? lockdep_hardirqs_on+0x94/0x140
[ 295.094988][ T4636] ? __x64_sys_mount+0x1c/0xc0
[ 295.099862][ T4636] do_syscall_64+0x4c/0xa0
[ 295.104426][ T4636] ? clear_bhb_loop+0x60/0xb0
[ 295.109556][ T4636] ? clear_bhb_loop+0x60/0xb0
[ 295.114279][ T4636] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 295.120458][ T4636] RIP: 0033:0x7ff7d699e04a
[ 295.125135][ T4636] 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
[ 295.145377][ T4636] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 295.153916][ T4636] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 295.162161][ T4636] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 295.170325][ T4636] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 295.178598][ T4636] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 295.186616][ T4636] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 295.194722][ T4636]
[ 295.203104][ T4636] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 295.217628][ T4636] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 295.531811][ T4637] loop1: detected capacity change from 0 to 32768
[ 295.553772][ T4637] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 295.561581][ T4637] CPU: 1 PID: 4637 Comm: syz.1.196 Not tainted syzkaller #0
[ 295.569031][ T4637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 295.579572][ T4637] Call Trace:
[ 295.582978][ T4637]
[ 295.586033][ T4637] dump_stack_lvl+0x188/0x24e
[ 295.590986][ T4637] ? show_regs_print_info+0x12/0x12
[ 295.596359][ T4637] ? load_image+0x400/0x400
[ 295.601120][ T4637] sysfs_create_dir_ns+0x26a/0x290
[ 295.606293][ T4637] ? sysfs_warn_dup+0xa0/0xa0
[ 295.611249][ T4637] ? do_raw_spin_unlock+0x11d/0x230
[ 295.616671][ T4637] kobject_add_internal+0x61c/0xcc0
[ 295.621943][ T4637] kobject_init_and_add+0x128/0x190
[ 295.627216][ T4637] ? lockdep_softirqs_off+0x430/0x430
[ 295.632712][ T4637] ? kobject_add+0x230/0x230
[ 295.637377][ T4637] ? __init_swait_queue_head+0xa5/0x150
[ 295.643199][ T4637] gfs2_sys_fs_add+0x24f/0x4b0
[ 295.648163][ T4637] ? gfs2_recover_set+0x240/0x240
[ 295.653227][ T4637] ? snprintf+0xe5/0x140
[ 295.657606][ T4637] ? vscnprintf+0x80/0x80
[ 295.662057][ T4637] gfs2_fill_super+0x128c/0x1fb0
[ 295.667388][ T4637] ? gfs2_reconfigure+0xd30/0xd30
[ 295.672555][ T4637] ? sb_set_blocksize+0xa5/0xe0
[ 295.678031][ T4637] get_tree_bdev+0x3f1/0x610
[ 295.682733][ T4637] ? gfs2_reconfigure+0xd30/0xd30
[ 295.687973][ T4637] gfs2_get_tree+0x4d/0x1e0
[ 295.692498][ T4637] vfs_get_tree+0x88/0x270
[ 295.697282][ T4637] do_new_mount+0x24a/0xa40
[ 295.701990][ T4637] __se_sys_mount+0x2e3/0x3d0
[ 295.707233][ T4637] ? __x64_sys_mount+0xc0/0xc0
[ 295.712200][ T4637] ? lockdep_hardirqs_on+0x94/0x140
[ 295.717765][ T4637] ? __x64_sys_mount+0x1c/0xc0
[ 295.722724][ T4637] do_syscall_64+0x4c/0xa0
[ 295.727379][ T4637] ? clear_bhb_loop+0x60/0xb0
[ 295.732346][ T4637] ? clear_bhb_loop+0x60/0xb0
[ 295.737481][ T4637] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 295.743585][ T4637] RIP: 0033:0x7ff7d699e04a
[ 295.748391][ T4637] 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
[ 295.768712][ T4637] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 295.777358][ T4637] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 295.785539][ T4637] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 295.793611][ T4637] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 295.801683][ T4637] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 295.809694][ T4637] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 295.817821][ T4637]
[ 295.831204][ T4637] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 295.845911][ T4637] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 296.222858][ T4638] loop1: detected capacity change from 0 to 32768
[ 296.243243][ T4638] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 296.252379][ T4638] CPU: 1 PID: 4638 Comm: syz.1.197 Not tainted syzkaller #0
[ 296.259825][ T4638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 296.270017][ T4638] Call Trace:
[ 296.273406][ T4638]
[ 296.276351][ T4638] dump_stack_lvl+0x188/0x24e
[ 296.281062][ T4638] ? show_regs_print_info+0x12/0x12
[ 296.286309][ T4638] ? load_image+0x400/0x400
[ 296.290840][ T4638] sysfs_create_dir_ns+0x26a/0x290
[ 296.295977][ T4638] ? sysfs_warn_dup+0xa0/0xa0
[ 296.300936][ T4638] ? do_raw_spin_unlock+0x11d/0x230
[ 296.306154][ T4638] kobject_add_internal+0x61c/0xcc0
[ 296.311560][ T4638] kobject_init_and_add+0x128/0x190
[ 296.316959][ T4638] ? lockdep_softirqs_off+0x430/0x430
[ 296.322450][ T4638] ? kobject_add+0x230/0x230
[ 296.327327][ T4638] ? __init_swait_queue_head+0xa5/0x150
[ 296.333166][ T4638] gfs2_sys_fs_add+0x24f/0x4b0
[ 296.337957][ T4638] ? gfs2_recover_set+0x240/0x240
[ 296.343022][ T4638] ? snprintf+0xe5/0x140
[ 296.347379][ T4638] ? vscnprintf+0x80/0x80
[ 296.351734][ T4638] gfs2_fill_super+0x128c/0x1fb0
[ 296.356804][ T4638] ? gfs2_reconfigure+0xd30/0xd30
[ 296.361876][ T4638] ? sb_set_blocksize+0xa5/0xe0
[ 296.366955][ T4638] get_tree_bdev+0x3f1/0x610
[ 296.371608][ T4638] ? gfs2_reconfigure+0xd30/0xd30
[ 296.376764][ T4638] gfs2_get_tree+0x4d/0x1e0
[ 296.381295][ T4638] vfs_get_tree+0x88/0x270
[ 296.385832][ T4638] do_new_mount+0x24a/0xa40
[ 296.390443][ T4638] __se_sys_mount+0x2e3/0x3d0
[ 296.395176][ T4638] ? __x64_sys_mount+0xc0/0xc0
[ 296.400018][ T4638] ? lockdep_hardirqs_on+0x94/0x140
[ 296.405518][ T4638] ? __x64_sys_mount+0x1c/0xc0
[ 296.410492][ T4638] do_syscall_64+0x4c/0xa0
[ 296.415028][ T4638] ? clear_bhb_loop+0x60/0xb0
[ 296.419828][ T4638] ? clear_bhb_loop+0x60/0xb0
[ 296.424785][ T4638] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 296.430789][ T4638] RIP: 0033:0x7ff7d699e04a
[ 296.435430][ T4638] 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
[ 296.455336][ T4638] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 296.463884][ T4638] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 296.472070][ T4638] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 296.480576][ T4638] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 296.488924][ T4638] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 296.496998][ T4638] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 296.505114][ T4638]
[ 296.515029][ T4638] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 296.529446][ T4638] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 296.858379][ T4639] loop1: detected capacity change from 0 to 32768
[ 296.874974][ T4639] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 296.882682][ T4639] CPU: 1 PID: 4639 Comm: syz.1.198 Not tainted syzkaller #0
[ 296.890111][ T4639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 296.900391][ T4639] Call Trace:
[ 296.903802][ T4639]
[ 296.906903][ T4639] dump_stack_lvl+0x188/0x24e
[ 296.911984][ T4639] ? show_regs_print_info+0x12/0x12
[ 296.917332][ T4639] ? load_image+0x400/0x400
[ 296.921993][ T4639] sysfs_create_dir_ns+0x26a/0x290
[ 296.927448][ T4639] ? sysfs_warn_dup+0xa0/0xa0
[ 296.932183][ T4639] ? do_raw_spin_unlock+0x11d/0x230
[ 296.937431][ T4639] kobject_add_internal+0x61c/0xcc0
[ 296.942771][ T4639] kobject_init_and_add+0x128/0x190
[ 296.948273][ T4639] ? lockdep_softirqs_off+0x430/0x430
[ 296.953697][ T4639] ? kobject_add+0x230/0x230
[ 296.958345][ T4639] ? __init_swait_queue_head+0xa5/0x150
[ 296.964016][ T4639] gfs2_sys_fs_add+0x24f/0x4b0
[ 296.968813][ T4639] ? gfs2_recover_set+0x240/0x240
[ 296.974034][ T4639] ? snprintf+0xe5/0x140
[ 296.978386][ T4639] ? vscnprintf+0x80/0x80
[ 296.982922][ T4639] gfs2_fill_super+0x128c/0x1fb0
[ 296.988067][ T4639] ? gfs2_reconfigure+0xd30/0xd30
[ 296.993125][ T4639] ? sb_set_blocksize+0xa5/0xe0
[ 296.997996][ T4639] get_tree_bdev+0x3f1/0x610
[ 297.002602][ T4639] ? gfs2_reconfigure+0xd30/0xd30
[ 297.007639][ T4639] gfs2_get_tree+0x4d/0x1e0
[ 297.012337][ T4639] vfs_get_tree+0x88/0x270
[ 297.016950][ T4639] do_new_mount+0x24a/0xa40
[ 297.021778][ T4639] __se_sys_mount+0x2e3/0x3d0
[ 297.026856][ T4639] ? __x64_sys_mount+0xc0/0xc0
[ 297.031744][ T4639] ? lockdep_hardirqs_on+0x94/0x140
[ 297.037161][ T4639] ? __x64_sys_mount+0x1c/0xc0
[ 297.042047][ T4639] do_syscall_64+0x4c/0xa0
[ 297.046659][ T4639] ? clear_bhb_loop+0x60/0xb0
[ 297.051460][ T4639] ? clear_bhb_loop+0x60/0xb0
[ 297.056344][ T4639] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 297.062429][ T4639] RIP: 0033:0x7ff7d699e04a
[ 297.066879][ T4639] 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
[ 297.086776][ T4639] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 297.095390][ T4639] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 297.103643][ T4639] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 297.111652][ T4639] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 297.119653][ T4639] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 297.128024][ T4639] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 297.136111][ T4639]
[ 297.152463][ T4639] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 297.168530][ T4639] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 297.513388][ T4640] loop1: detected capacity change from 0 to 32768
[ 297.539607][ T4640] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 297.547578][ T4640] CPU: 1 PID: 4640 Comm: syz.1.199 Not tainted syzkaller #0
[ 297.554927][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 297.565478][ T4640] Call Trace:
[ 297.568805][ T4640]
[ 297.571782][ T4640] dump_stack_lvl+0x188/0x24e
[ 297.576585][ T4640] ? show_regs_print_info+0x12/0x12
[ 297.581950][ T4640] ? load_image+0x400/0x400
[ 297.586551][ T4640] sysfs_create_dir_ns+0x26a/0x290
[ 297.591722][ T4640] ? sysfs_warn_dup+0xa0/0xa0
[ 297.596453][ T4640] ? do_raw_spin_unlock+0x11d/0x230
[ 297.601707][ T4640] kobject_add_internal+0x61c/0xcc0
[ 297.607150][ T4640] kobject_init_and_add+0x128/0x190
[ 297.612396][ T4640] ? lockdep_softirqs_off+0x430/0x430
[ 297.617907][ T4640] ? kobject_add+0x230/0x230
[ 297.622562][ T4640] ? __init_swait_queue_head+0xa5/0x150
[ 297.628254][ T4640] gfs2_sys_fs_add+0x24f/0x4b0
[ 297.633057][ T4640] ? gfs2_recover_set+0x240/0x240
[ 297.638579][ T4640] ? snprintf+0xe5/0x140
[ 297.642963][ T4640] ? vscnprintf+0x80/0x80
[ 297.647339][ T4640] gfs2_fill_super+0x128c/0x1fb0
[ 297.652417][ T4640] ? gfs2_reconfigure+0xd30/0xd30
[ 297.657553][ T4640] ? sb_set_blocksize+0xa5/0xe0
[ 297.662426][ T4640] get_tree_bdev+0x3f1/0x610
[ 297.667245][ T4640] ? gfs2_reconfigure+0xd30/0xd30
[ 297.672672][ T4640] gfs2_get_tree+0x4d/0x1e0
[ 297.677330][ T4640] vfs_get_tree+0x88/0x270
[ 297.681943][ T4640] do_new_mount+0x24a/0xa40
[ 297.686569][ T4640] __se_sys_mount+0x2e3/0x3d0
[ 297.691364][ T4640] ? __x64_sys_mount+0xc0/0xc0
[ 297.696154][ T4640] ? lockdep_hardirqs_on+0x94/0x140
[ 297.701468][ T4640] ? __x64_sys_mount+0x1c/0xc0
[ 297.706260][ T4640] do_syscall_64+0x4c/0xa0
[ 297.710751][ T4640] ? clear_bhb_loop+0x60/0xb0
[ 297.715989][ T4640] ? clear_bhb_loop+0x60/0xb0
[ 297.721155][ T4640] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 297.727082][ T4640] RIP: 0033:0x7ff7d699e04a
[ 297.731534][ T4640] 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
[ 297.751439][ T4640] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 297.760242][ T4640] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 297.768376][ T4640] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 297.776561][ T4640] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 297.784550][ T4640] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 297.792625][ T4640] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 297.800885][ T4640]
[ 297.811471][ T4640] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 297.824944][ T4640] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 298.172550][ T4641] loop1: detected capacity change from 0 to 32768
[ 298.198091][ T4641] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 298.205877][ T4641] CPU: 0 PID: 4641 Comm: syz.1.200 Not tainted syzkaller #0
[ 298.213472][ T4641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 298.223754][ T4641] Call Trace:
[ 298.227086][ T4641]
[ 298.230068][ T4641] dump_stack_lvl+0x188/0x24e
[ 298.234909][ T4641] ? show_regs_print_info+0x12/0x12
[ 298.240246][ T4641] ? load_image+0x400/0x400
[ 298.244986][ T4641] sysfs_create_dir_ns+0x26a/0x290
[ 298.250367][ T4641] ? sysfs_warn_dup+0xa0/0xa0
[ 298.255264][ T4641] ? do_raw_spin_unlock+0x11d/0x230
[ 298.260597][ T4641] kobject_add_internal+0x61c/0xcc0
[ 298.265855][ T4641] kobject_init_and_add+0x128/0x190
[ 298.271325][ T4641] ? lockdep_softirqs_off+0x430/0x430
[ 298.277185][ T4641] ? kobject_add+0x230/0x230
[ 298.281839][ T4641] ? __init_swait_queue_head+0xa5/0x150
[ 298.287530][ T4641] gfs2_sys_fs_add+0x24f/0x4b0
[ 298.292530][ T4641] ? gfs2_recover_set+0x240/0x240
[ 298.297702][ T4641] ? snprintf+0xe5/0x140
[ 298.302021][ T4641] ? vscnprintf+0x80/0x80
[ 298.306410][ T4641] gfs2_fill_super+0x128c/0x1fb0
[ 298.311504][ T4641] ? gfs2_reconfigure+0xd30/0xd30
[ 298.316681][ T4641] ? sb_set_blocksize+0xa5/0xe0
[ 298.321863][ T4641] get_tree_bdev+0x3f1/0x610
[ 298.326681][ T4641] ? gfs2_reconfigure+0xd30/0xd30
[ 298.331845][ T4641] gfs2_get_tree+0x4d/0x1e0
[ 298.336400][ T4641] vfs_get_tree+0x88/0x270
[ 298.341125][ T4641] do_new_mount+0x24a/0xa40
[ 298.345767][ T4641] __se_sys_mount+0x2e3/0x3d0
[ 298.350494][ T4641] ? __x64_sys_mount+0xc0/0xc0
[ 298.355368][ T4641] ? lockdep_hardirqs_on+0x94/0x140
[ 298.360799][ T4641] ? __x64_sys_mount+0x1c/0xc0
[ 298.366138][ T4641] do_syscall_64+0x4c/0xa0
[ 298.370941][ T4641] ? clear_bhb_loop+0x60/0xb0
[ 298.375957][ T4641] ? clear_bhb_loop+0x60/0xb0
[ 298.380668][ T4641] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 298.387317][ T4641] RIP: 0033:0x7ff7d699e04a
[ 298.391878][ T4641] 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
[ 298.412414][ T4641] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 298.421152][ T4641] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 298.429541][ T4641] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 298.437790][ T4641] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 298.445992][ T4641] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 298.454158][ T4641] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 298.462371][ T4641]
[ 298.467206][ T4641] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 298.481492][ T4641] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 298.889407][ T4642] loop1: detected capacity change from 0 to 32768
[ 298.907716][ T4642] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 298.915637][ T4642] CPU: 0 PID: 4642 Comm: syz.1.201 Not tainted syzkaller #0
[ 298.923285][ T4642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 298.933508][ T4642] Call Trace:
[ 298.936828][ T4642]
[ 298.939979][ T4642] dump_stack_lvl+0x188/0x24e
[ 298.944720][ T4642] ? show_regs_print_info+0x12/0x12
[ 298.950247][ T4642] ? load_image+0x400/0x400
[ 298.955263][ T4642] sysfs_create_dir_ns+0x26a/0x290
[ 298.960614][ T4642] ? sysfs_warn_dup+0xa0/0xa0
[ 298.965477][ T4642] ? do_raw_spin_unlock+0x11d/0x230
[ 298.970986][ T4642] kobject_add_internal+0x61c/0xcc0
[ 298.976491][ T4642] kobject_init_and_add+0x128/0x190
[ 298.981710][ T4642] ? lockdep_softirqs_off+0x430/0x430
[ 298.987192][ T4642] ? kobject_add+0x230/0x230
[ 298.992164][ T4642] ? __init_swait_queue_head+0xa5/0x150
[ 298.998164][ T4642] gfs2_sys_fs_add+0x24f/0x4b0
[ 299.002959][ T4642] ? gfs2_recover_set+0x240/0x240
[ 299.008305][ T4642] ? snprintf+0xe5/0x140
[ 299.012785][ T4642] ? vscnprintf+0x80/0x80
[ 299.017243][ T4642] gfs2_fill_super+0x128c/0x1fb0
[ 299.022321][ T4642] ? gfs2_reconfigure+0xd30/0xd30
[ 299.027456][ T4642] ? sb_set_blocksize+0xa5/0xe0
[ 299.032351][ T4642] get_tree_bdev+0x3f1/0x610
[ 299.037149][ T4642] ? gfs2_reconfigure+0xd30/0xd30
[ 299.042372][ T4642] gfs2_get_tree+0x4d/0x1e0
[ 299.046983][ T4642] vfs_get_tree+0x88/0x270
[ 299.051705][ T4642] do_new_mount+0x24a/0xa40
[ 299.056552][ T4642] __se_sys_mount+0x2e3/0x3d0
[ 299.061357][ T4642] ? __x64_sys_mount+0xc0/0xc0
[ 299.066284][ T4642] ? lockdep_hardirqs_on+0x94/0x140
[ 299.071600][ T4642] ? __x64_sys_mount+0x1c/0xc0
[ 299.076386][ T4642] do_syscall_64+0x4c/0xa0
[ 299.080932][ T4642] ? clear_bhb_loop+0x60/0xb0
[ 299.085725][ T4642] ? clear_bhb_loop+0x60/0xb0
[ 299.090432][ T4642] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 299.096603][ T4642] RIP: 0033:0x7ff7d699e04a
[ 299.101381][ T4642] 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
[ 299.122006][ T4642] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 299.131335][ T4642] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 299.139528][ T4642] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 299.148157][ T4642] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 299.157423][ T4642] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 299.167449][ T4642] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 299.175644][ T4642]
2026/04/26 09:37:11 executed programs: 187
[ 299.185294][ T4642] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 299.200236][ T4642] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 299.221859][ T48] Bluetooth: hci1: command 0x0406 tx timeout
[ 299.556495][ T4643] loop1: detected capacity change from 0 to 32768
[ 299.571604][ T4643] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 299.579626][ T4643] CPU: 1 PID: 4643 Comm: syz.1.202 Not tainted syzkaller #0
[ 299.587200][ T4643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 299.597283][ T4643] Call Trace:
[ 299.600780][ T4643]
[ 299.603750][ T4643] dump_stack_lvl+0x188/0x24e
[ 299.608490][ T4643] ? show_regs_print_info+0x12/0x12
[ 299.613839][ T4643] ? load_image+0x400/0x400
[ 299.618777][ T4643] sysfs_create_dir_ns+0x26a/0x290
[ 299.624052][ T4643] ? sysfs_warn_dup+0xa0/0xa0
[ 299.629227][ T4643] ? do_raw_spin_unlock+0x11d/0x230
[ 299.634740][ T4643] kobject_add_internal+0x61c/0xcc0
[ 299.640759][ T4643] kobject_init_and_add+0x128/0x190
[ 299.646101][ T4643] ? lockdep_softirqs_off+0x430/0x430
[ 299.651845][ T4643] ? kobject_add+0x230/0x230
[ 299.657800][ T4643] ? __init_swait_queue_head+0xa5/0x150
[ 299.663518][ T4643] gfs2_sys_fs_add+0x24f/0x4b0
[ 299.668327][ T4643] ? gfs2_recover_set+0x240/0x240
[ 299.673583][ T4643] ? snprintf+0xe5/0x140
[ 299.678128][ T4643] ? vscnprintf+0x80/0x80
[ 299.682588][ T4643] gfs2_fill_super+0x128c/0x1fb0
[ 299.687671][ T4643] ? gfs2_reconfigure+0xd30/0xd30
[ 299.693020][ T4643] ? sb_set_blocksize+0xa5/0xe0
[ 299.697998][ T4643] get_tree_bdev+0x3f1/0x610
[ 299.702837][ T4643] ? gfs2_reconfigure+0xd30/0xd30
[ 299.707983][ T4643] gfs2_get_tree+0x4d/0x1e0
[ 299.712532][ T4643] vfs_get_tree+0x88/0x270
[ 299.717341][ T4643] do_new_mount+0x24a/0xa40
[ 299.721895][ T4643] __se_sys_mount+0x2e3/0x3d0
[ 299.726709][ T4643] ? __x64_sys_mount+0xc0/0xc0
[ 299.731769][ T4643] ? lockdep_hardirqs_on+0x94/0x140
[ 299.737425][ T4643] ? __x64_sys_mount+0x1c/0xc0
[ 299.742478][ T4643] do_syscall_64+0x4c/0xa0
[ 299.747019][ T4643] ? clear_bhb_loop+0x60/0xb0
[ 299.751740][ T4643] ? clear_bhb_loop+0x60/0xb0
[ 299.757193][ T4643] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 299.763134][ T4643] RIP: 0033:0x7ff7d699e04a
[ 299.768128][ T4643] 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
[ 299.787948][ T4643] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 299.796472][ T4643] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 299.804652][ T4643] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 299.812935][ T4643] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 299.821359][ T4643] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 299.829654][ T4643] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 299.838050][ T4643]
[ 299.846404][ T4643] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 299.860376][ T4643] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 300.184947][ T4644] loop1: detected capacity change from 0 to 32768
[ 300.211367][ T4644] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 300.219156][ T4644] CPU: 0 PID: 4644 Comm: syz.1.203 Not tainted syzkaller #0
[ 300.226633][ T4644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 300.236706][ T4644] Call Trace:
[ 300.240001][ T4644]
[ 300.243054][ T4644] dump_stack_lvl+0x188/0x24e
[ 300.247917][ T4644] ? show_regs_print_info+0x12/0x12
[ 300.253138][ T4644] ? load_image+0x400/0x400
[ 300.257688][ T4644] sysfs_create_dir_ns+0x26a/0x290
[ 300.262822][ T4644] ? sysfs_warn_dup+0xa0/0xa0
[ 300.267517][ T4644] ? do_raw_spin_unlock+0x11d/0x230
[ 300.272821][ T4644] kobject_add_internal+0x61c/0xcc0
[ 300.278220][ T4644] kobject_init_and_add+0x128/0x190
[ 300.283440][ T4644] ? lockdep_softirqs_off+0x430/0x430
[ 300.288926][ T4644] ? kobject_add+0x230/0x230
[ 300.293716][ T4644] ? __init_swait_queue_head+0xa5/0x150
[ 300.299288][ T4644] gfs2_sys_fs_add+0x24f/0x4b0
[ 300.304169][ T4644] ? gfs2_recover_set+0x240/0x240
[ 300.309389][ T4644] ? snprintf+0xe5/0x140
[ 300.313776][ T4644] ? vscnprintf+0x80/0x80
[ 300.318227][ T4644] gfs2_fill_super+0x128c/0x1fb0
[ 300.323289][ T4644] ? gfs2_reconfigure+0xd30/0xd30
[ 300.328599][ T4644] ? sb_set_blocksize+0xa5/0xe0
[ 300.333567][ T4644] get_tree_bdev+0x3f1/0x610
[ 300.338357][ T4644] ? gfs2_reconfigure+0xd30/0xd30
[ 300.343485][ T4644] gfs2_get_tree+0x4d/0x1e0
[ 300.348177][ T4644] vfs_get_tree+0x88/0x270
[ 300.352786][ T4644] do_new_mount+0x24a/0xa40
[ 300.357572][ T4644] __se_sys_mount+0x2e3/0x3d0
[ 300.362359][ T4644] ? __x64_sys_mount+0xc0/0xc0
[ 300.367326][ T4644] ? lockdep_hardirqs_on+0x94/0x140
[ 300.372569][ T4644] ? __x64_sys_mount+0x1c/0xc0
[ 300.377359][ T4644] do_syscall_64+0x4c/0xa0
[ 300.381811][ T4644] ? clear_bhb_loop+0x60/0xb0
[ 300.386596][ T4644] ? clear_bhb_loop+0x60/0xb0
[ 300.391301][ T4644] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 300.397246][ T4644] RIP: 0033:0x7ff7d699e04a
[ 300.401767][ T4644] 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
[ 300.421964][ T4644] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 300.430704][ T4644] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 300.438960][ T4644] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 300.447204][ T4644] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 300.455323][ T4644] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 300.463582][ T4644] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 300.471771][ T4644]
[ 300.486607][ T4644] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 300.500514][ T4644] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 300.847992][ T4645] loop1: detected capacity change from 0 to 32768
[ 300.871296][ T4645] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 300.879225][ T4645] CPU: 1 PID: 4645 Comm: syz.1.204 Not tainted syzkaller #0
[ 300.886735][ T4645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 300.897015][ T4645] Call Trace:
[ 300.900419][ T4645]
[ 300.903389][ T4645] dump_stack_lvl+0x188/0x24e
[ 300.908218][ T4645] ? show_regs_print_info+0x12/0x12
[ 300.913483][ T4645] ? load_image+0x400/0x400
[ 300.918237][ T4645] sysfs_create_dir_ns+0x26a/0x290
[ 300.923503][ T4645] ? sysfs_warn_dup+0xa0/0xa0
[ 300.928666][ T4645] ? do_raw_spin_unlock+0x11d/0x230
[ 300.933910][ T4645] kobject_add_internal+0x61c/0xcc0
[ 300.939346][ T4645] kobject_init_and_add+0x128/0x190
[ 300.944596][ T4645] ? lockdep_softirqs_off+0x430/0x430
[ 300.950203][ T4645] ? kobject_add+0x230/0x230
[ 300.954920][ T4645] ? __init_swait_queue_head+0xa5/0x150
[ 300.960519][ T4645] gfs2_sys_fs_add+0x24f/0x4b0
[ 300.965344][ T4645] ? gfs2_recover_set+0x240/0x240
[ 300.970414][ T4645] ? snprintf+0xe5/0x140
[ 300.974964][ T4645] ? vscnprintf+0x80/0x80
[ 300.979649][ T4645] gfs2_fill_super+0x128c/0x1fb0
[ 300.985096][ T4645] ? gfs2_reconfigure+0xd30/0xd30
[ 300.990197][ T4645] ? sb_set_blocksize+0xa5/0xe0
[ 300.995121][ T4645] get_tree_bdev+0x3f1/0x610
[ 300.999943][ T4645] ? gfs2_reconfigure+0xd30/0xd30
[ 301.005036][ T4645] gfs2_get_tree+0x4d/0x1e0
[ 301.009610][ T4645] vfs_get_tree+0x88/0x270
[ 301.014269][ T4645] do_new_mount+0x24a/0xa40
[ 301.019245][ T4645] __se_sys_mount+0x2e3/0x3d0
[ 301.024085][ T4645] ? __x64_sys_mount+0xc0/0xc0
[ 301.029509][ T4645] ? lockdep_hardirqs_on+0x94/0x140
[ 301.035014][ T4645] ? __x64_sys_mount+0x1c/0xc0
[ 301.040035][ T4645] do_syscall_64+0x4c/0xa0
[ 301.044502][ T4645] ? clear_bhb_loop+0x60/0xb0
[ 301.049528][ T4645] ? clear_bhb_loop+0x60/0xb0
[ 301.054364][ T4645] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 301.060307][ T4645] RIP: 0033:0x7ff7d699e04a
[ 301.064763][ T4645] 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
[ 301.084493][ T4645] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 301.093176][ T4645] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 301.101528][ T4645] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 301.109869][ T4645] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 301.118245][ T4645] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 301.127190][ T4645] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 301.135186][ T4645]
[ 301.139011][ T4645] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 301.152484][ T4645] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 301.525201][ T4646] loop1: detected capacity change from 0 to 32768
[ 301.545628][ T4646] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 301.553661][ T4646] CPU: 0 PID: 4646 Comm: syz.1.205 Not tainted syzkaller #0
[ 301.561188][ T4646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 301.571470][ T4646] Call Trace:
[ 301.574789][ T4646]
[ 301.577844][ T4646] dump_stack_lvl+0x188/0x24e
[ 301.582581][ T4646] ? show_regs_print_info+0x12/0x12
[ 301.587922][ T4646] ? load_image+0x400/0x400
[ 301.592571][ T4646] sysfs_create_dir_ns+0x26a/0x290
[ 301.597740][ T4646] ? sysfs_warn_dup+0xa0/0xa0
[ 301.602557][ T4646] ? do_raw_spin_unlock+0x11d/0x230
[ 301.607986][ T4646] kobject_add_internal+0x61c/0xcc0
[ 301.613362][ T4646] kobject_init_and_add+0x128/0x190
[ 301.618863][ T4646] ? lockdep_softirqs_off+0x430/0x430
[ 301.624362][ T4646] ? kobject_add+0x230/0x230
[ 301.628983][ T4646] ? __init_swait_queue_head+0xa5/0x150
[ 301.634584][ T4646] gfs2_sys_fs_add+0x24f/0x4b0
[ 301.639461][ T4646] ? gfs2_recover_set+0x240/0x240
[ 301.644596][ T4646] ? snprintf+0xe5/0x140
[ 301.648893][ T4646] ? vscnprintf+0x80/0x80
[ 301.653435][ T4646] gfs2_fill_super+0x128c/0x1fb0
[ 301.658442][ T4646] ? gfs2_reconfigure+0xd30/0xd30
[ 301.663690][ T4646] ? sb_set_blocksize+0xa5/0xe0
[ 301.668912][ T4646] get_tree_bdev+0x3f1/0x610
[ 301.673521][ T4646] ? gfs2_reconfigure+0xd30/0xd30
[ 301.678565][ T4646] gfs2_get_tree+0x4d/0x1e0
[ 301.683085][ T4646] vfs_get_tree+0x88/0x270
[ 301.687518][ T4646] do_new_mount+0x24a/0xa40
[ 301.692221][ T4646] __se_sys_mount+0x2e3/0x3d0
[ 301.697132][ T4646] ? __x64_sys_mount+0xc0/0xc0
[ 301.701952][ T4646] ? lockdep_hardirqs_on+0x94/0x140
[ 301.707376][ T4646] ? __x64_sys_mount+0x1c/0xc0
[ 301.712340][ T4646] do_syscall_64+0x4c/0xa0
[ 301.716779][ T4646] ? clear_bhb_loop+0x60/0xb0
[ 301.721834][ T4646] ? clear_bhb_loop+0x60/0xb0
[ 301.726615][ T4646] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 301.732613][ T4646] RIP: 0033:0x7ff7d699e04a
[ 301.737225][ T4646] 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
[ 301.757093][ T4646] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 301.765786][ T4646] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 301.773944][ T4646] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 301.782103][ T4646] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 301.790522][ T4646] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 301.798600][ T4646] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 301.806598][ T4646]
[ 301.813542][ T4646] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 301.827716][ T4646] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 302.135467][ T4647] loop1: detected capacity change from 0 to 32768
[ 302.154914][ T4647] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 302.162790][ T4647] CPU: 1 PID: 4647 Comm: syz.1.206 Not tainted syzkaller #0
[ 302.170574][ T4647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 302.181302][ T4647] Call Trace:
[ 302.184716][ T4647]
[ 302.187687][ T4647] dump_stack_lvl+0x188/0x24e
[ 302.192439][ T4647] ? show_regs_print_info+0x12/0x12
[ 302.197787][ T4647] ? load_image+0x400/0x400
[ 302.202651][ T4647] sysfs_create_dir_ns+0x26a/0x290
[ 302.207989][ T4647] ? sysfs_warn_dup+0xa0/0xa0
[ 302.212717][ T4647] ? do_raw_spin_unlock+0x11d/0x230
[ 302.218141][ T4647] kobject_add_internal+0x61c/0xcc0
[ 302.223683][ T4647] kobject_init_and_add+0x128/0x190
[ 302.228923][ T4647] ? lockdep_softirqs_off+0x430/0x430
[ 302.234351][ T4647] ? kobject_add+0x230/0x230
[ 302.239168][ T4647] ? __init_swait_queue_head+0xa5/0x150
[ 302.245141][ T4647] gfs2_sys_fs_add+0x24f/0x4b0
[ 302.250112][ T4647] ? gfs2_recover_set+0x240/0x240
[ 302.255433][ T4647] ? snprintf+0xe5/0x140
[ 302.259745][ T4647] ? vscnprintf+0x80/0x80
[ 302.264223][ T4647] gfs2_fill_super+0x128c/0x1fb0
[ 302.269226][ T4647] ? gfs2_reconfigure+0xd30/0xd30
[ 302.274397][ T4647] ? sb_set_blocksize+0xa5/0xe0
[ 302.279267][ T4647] get_tree_bdev+0x3f1/0x610
[ 302.283887][ T4647] ? gfs2_reconfigure+0xd30/0xd30
[ 302.289210][ T4647] gfs2_get_tree+0x4d/0x1e0
[ 302.293750][ T4647] vfs_get_tree+0x88/0x270
[ 302.298181][ T4647] do_new_mount+0x24a/0xa40
[ 302.302709][ T4647] __se_sys_mount+0x2e3/0x3d0
[ 302.307406][ T4647] ? __x64_sys_mount+0xc0/0xc0
[ 302.312187][ T4647] ? lockdep_hardirqs_on+0x94/0x140
[ 302.317411][ T4647] ? __x64_sys_mount+0x1c/0xc0
[ 302.322282][ T4647] do_syscall_64+0x4c/0xa0
[ 302.326905][ T4647] ? clear_bhb_loop+0x60/0xb0
[ 302.331797][ T4647] ? clear_bhb_loop+0x60/0xb0
[ 302.336582][ T4647] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 302.342684][ T4647] RIP: 0033:0x7ff7d699e04a
[ 302.347142][ T4647] 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
[ 302.367034][ T4647] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 302.375503][ T4647] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 302.383519][ T4647] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 302.391598][ T4647] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 302.399617][ T4647] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 302.408148][ T4647] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 302.416329][ T4647]
[ 302.422891][ T4647] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 302.448132][ T4647] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 302.782217][ T4648] loop1: detected capacity change from 0 to 32768
[ 302.798288][ T4648] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 302.806040][ T4648] CPU: 0 PID: 4648 Comm: syz.1.207 Not tainted syzkaller #0
[ 302.813383][ T4648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 302.824203][ T4648] Call Trace:
[ 302.827622][ T4648]
[ 302.830795][ T4648] dump_stack_lvl+0x188/0x24e
[ 302.835538][ T4648] ? show_regs_print_info+0x12/0x12
[ 302.840813][ T4648] ? load_image+0x400/0x400
[ 302.845472][ T4648] sysfs_create_dir_ns+0x26a/0x290
[ 302.850731][ T4648] ? sysfs_warn_dup+0xa0/0xa0
[ 302.855716][ T4648] ? do_raw_spin_unlock+0x11d/0x230
[ 302.861116][ T4648] kobject_add_internal+0x61c/0xcc0
[ 302.866661][ T4648] kobject_init_and_add+0x128/0x190
[ 302.872002][ T4648] ? lockdep_softirqs_off+0x430/0x430
[ 302.877597][ T4648] ? kobject_add+0x230/0x230
[ 302.882324][ T4648] ? __init_swait_queue_head+0xa5/0x150
[ 302.888142][ T4648] gfs2_sys_fs_add+0x24f/0x4b0
[ 302.893151][ T4648] ? gfs2_recover_set+0x240/0x240
[ 302.898387][ T4648] ? snprintf+0xe5/0x140
[ 302.902764][ T4648] ? vscnprintf+0x80/0x80
[ 302.907255][ T4648] gfs2_fill_super+0x128c/0x1fb0
[ 302.912424][ T4648] ? gfs2_reconfigure+0xd30/0xd30
[ 302.917522][ T4648] ? sb_set_blocksize+0xa5/0xe0
[ 302.922471][ T4648] get_tree_bdev+0x3f1/0x610
[ 302.927334][ T4648] ? gfs2_reconfigure+0xd30/0xd30
[ 302.932849][ T4648] gfs2_get_tree+0x4d/0x1e0
[ 302.937588][ T4648] vfs_get_tree+0x88/0x270
[ 302.942454][ T4648] do_new_mount+0x24a/0xa40
[ 302.947226][ T4648] __se_sys_mount+0x2e3/0x3d0
[ 302.952312][ T4648] ? __x64_sys_mount+0xc0/0xc0
[ 302.957136][ T4648] ? lockdep_hardirqs_on+0x94/0x140
[ 302.962657][ T4648] ? __x64_sys_mount+0x1c/0xc0
[ 302.967650][ T4648] do_syscall_64+0x4c/0xa0
[ 302.972115][ T4648] ? clear_bhb_loop+0x60/0xb0
[ 302.977037][ T4648] ? clear_bhb_loop+0x60/0xb0
[ 302.981796][ T4648] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 302.988592][ T4648] RIP: 0033:0x7ff7d699e04a
[ 302.993471][ T4648] 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
[ 303.013547][ T4648] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 303.022186][ T4648] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 303.030709][ T4648] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 303.039330][ T4648] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 303.047535][ T4648] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 303.055958][ T4648] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 303.064329][ T4648]
[ 303.068200][ T4648] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 303.081745][ T4648] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 303.444508][ T4649] loop1: detected capacity change from 0 to 32768
[ 303.454965][ T4649] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 303.462704][ T4649] CPU: 0 PID: 4649 Comm: syz.1.208 Not tainted syzkaller #0
[ 303.470664][ T4649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 303.481126][ T4649] Call Trace:
[ 303.484449][ T4649]
[ 303.487522][ T4649] dump_stack_lvl+0x188/0x24e
[ 303.492521][ T4649] ? show_regs_print_info+0x12/0x12
[ 303.497861][ T4649] ? load_image+0x400/0x400
[ 303.502526][ T4649] sysfs_create_dir_ns+0x26a/0x290
[ 303.507783][ T4649] ? sysfs_warn_dup+0xa0/0xa0
[ 303.512543][ T4649] ? do_raw_spin_unlock+0x11d/0x230
[ 303.518158][ T4649] kobject_add_internal+0x61c/0xcc0
[ 303.523616][ T4649] kobject_init_and_add+0x128/0x190
[ 303.529067][ T4649] ? lockdep_softirqs_off+0x430/0x430
[ 303.534759][ T4649] ? kobject_add+0x230/0x230
[ 303.539440][ T4649] ? __init_swait_queue_head+0xa5/0x150
[ 303.545131][ T4649] gfs2_sys_fs_add+0x24f/0x4b0
[ 303.550113][ T4649] ? gfs2_recover_set+0x240/0x240
[ 303.555252][ T4649] ? snprintf+0xe5/0x140
[ 303.559519][ T4649] ? vscnprintf+0x80/0x80
[ 303.563860][ T4649] gfs2_fill_super+0x128c/0x1fb0
[ 303.568928][ T4649] ? gfs2_reconfigure+0xd30/0xd30
[ 303.574230][ T4649] ? sb_set_blocksize+0xa5/0xe0
[ 303.579097][ T4649] get_tree_bdev+0x3f1/0x610
[ 303.583717][ T4649] ? gfs2_reconfigure+0xd30/0xd30
[ 303.588841][ T4649] gfs2_get_tree+0x4d/0x1e0
[ 303.593447][ T4649] vfs_get_tree+0x88/0x270
[ 303.597984][ T4649] do_new_mount+0x24a/0xa40
[ 303.602681][ T4649] __se_sys_mount+0x2e3/0x3d0
[ 303.607542][ T4649] ? __x64_sys_mount+0xc0/0xc0
[ 303.612316][ T4649] ? lockdep_hardirqs_on+0x94/0x140
[ 303.617605][ T4649] ? __x64_sys_mount+0x1c/0xc0
[ 303.622406][ T4649] do_syscall_64+0x4c/0xa0
[ 303.626975][ T4649] ? clear_bhb_loop+0x60/0xb0
[ 303.631799][ T4649] ? clear_bhb_loop+0x60/0xb0
[ 303.636531][ T4649] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 303.642794][ T4649] RIP: 0033:0x7ff7d699e04a
[ 303.647390][ T4649] 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
[ 303.667529][ T4649] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 303.676106][ T4649] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 303.684302][ T4649] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 303.692283][ T4649] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 303.700602][ T4649] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 303.708863][ T4649] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 303.717228][ T4649]
[ 303.721511][ T4649] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 303.735262][ T4649] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 304.119036][ T4650] loop1: detected capacity change from 0 to 32768
[ 304.132106][ T4650] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 304.140506][ T4650] CPU: 1 PID: 4650 Comm: syz.1.209 Not tainted syzkaller #0
[ 304.148285][ T4650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 304.158715][ T4650] Call Trace:
[ 304.162117][ T4650]
[ 304.165184][ T4650] dump_stack_lvl+0x188/0x24e
[ 304.170071][ T4650] ? show_regs_print_info+0x12/0x12
[ 304.175487][ T4650] ? load_image+0x400/0x400
[ 304.180063][ T4650] sysfs_create_dir_ns+0x26a/0x290
[ 304.185559][ T4650] ? sysfs_warn_dup+0xa0/0xa0
[ 304.190586][ T4650] ? do_raw_spin_unlock+0x11d/0x230
[ 304.195938][ T4650] kobject_add_internal+0x61c/0xcc0
[ 304.201269][ T4650] kobject_init_and_add+0x128/0x190
[ 304.206575][ T4650] ? lockdep_softirqs_off+0x430/0x430
[ 304.212072][ T4650] ? kobject_add+0x230/0x230
[ 304.216774][ T4650] ? __init_swait_queue_head+0xa5/0x150
[ 304.222350][ T4650] gfs2_sys_fs_add+0x24f/0x4b0
[ 304.227160][ T4650] ? gfs2_recover_set+0x240/0x240
[ 304.232364][ T4650] ? snprintf+0xe5/0x140
[ 304.237000][ T4650] ? vscnprintf+0x80/0x80
[ 304.241365][ T4650] gfs2_fill_super+0x128c/0x1fb0
[ 304.246416][ T4650] ? gfs2_reconfigure+0xd30/0xd30
[ 304.251553][ T4650] ? sb_set_blocksize+0xa5/0xe0
[ 304.256606][ T4650] get_tree_bdev+0x3f1/0x610
[ 304.261393][ T4650] ? gfs2_reconfigure+0xd30/0xd30
[ 304.266708][ T4650] gfs2_get_tree+0x4d/0x1e0
[ 304.271231][ T4650] vfs_get_tree+0x88/0x270
[ 304.275698][ T4650] do_new_mount+0x24a/0xa40
[ 304.280221][ T4650] __se_sys_mount+0x2e3/0x3d0
[ 304.285009][ T4650] ? __x64_sys_mount+0xc0/0xc0
[ 304.289897][ T4650] ? lockdep_hardirqs_on+0x94/0x140
[ 304.295300][ T4650] ? __x64_sys_mount+0x1c/0xc0
[ 304.300093][ T4650] do_syscall_64+0x4c/0xa0
[ 304.304709][ T4650] ? clear_bhb_loop+0x60/0xb0
[ 304.309403][ T4650] ? clear_bhb_loop+0x60/0xb0
[ 304.314099][ T4650] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 304.320189][ T4650] RIP: 0033:0x7ff7d699e04a
[ 304.324624][ T4650] 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
[ 304.344877][ T4650] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 304.353489][ T4650] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 304.361812][ T4650] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 304.369801][ T4650] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 304.377821][ T4650] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 304.386167][ T4650] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 304.394431][ T4650]
[ 304.405118][ T4650] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 304.418958][ T4650] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/26 09:37:16 executed programs: 195
[ 304.756834][ T4652] loop1: detected capacity change from 0 to 32768
[ 304.775240][ T4652] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 304.783191][ T4652] CPU: 0 PID: 4652 Comm: syz.1.210 Not tainted syzkaller #0
[ 304.790875][ T4652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 304.801044][ T4652] Call Trace:
[ 304.804374][ T4652]
[ 304.807544][ T4652] dump_stack_lvl+0x188/0x24e
[ 304.812408][ T4652] ? show_regs_print_info+0x12/0x12
[ 304.817758][ T4652] ? load_image+0x400/0x400
[ 304.822343][ T4652] sysfs_create_dir_ns+0x26a/0x290
[ 304.827779][ T4652] ? sysfs_warn_dup+0xa0/0xa0
[ 304.833474][ T4652] ? do_raw_spin_unlock+0x11d/0x230
[ 304.839415][ T4652] kobject_add_internal+0x61c/0xcc0
[ 304.844761][ T4652] kobject_init_and_add+0x128/0x190
[ 304.850021][ T4652] ? lockdep_softirqs_off+0x430/0x430
[ 304.855573][ T4652] ? kobject_add+0x230/0x230
[ 304.860201][ T4652] ? __init_swait_queue_head+0xa5/0x150
[ 304.865863][ T4652] gfs2_sys_fs_add+0x24f/0x4b0
[ 304.870691][ T4652] ? gfs2_recover_set+0x240/0x240
[ 304.875849][ T4652] ? snprintf+0xe5/0x140
[ 304.880307][ T4652] ? vscnprintf+0x80/0x80
[ 304.884799][ T4652] gfs2_fill_super+0x128c/0x1fb0
[ 304.889925][ T4652] ? gfs2_reconfigure+0xd30/0xd30
[ 304.894999][ T4652] ? sb_set_blocksize+0xa5/0xe0
[ 304.900370][ T4652] get_tree_bdev+0x3f1/0x610
[ 304.905205][ T4652] ? gfs2_reconfigure+0xd30/0xd30
[ 304.910379][ T4652] gfs2_get_tree+0x4d/0x1e0
[ 304.915129][ T4652] vfs_get_tree+0x88/0x270
[ 304.919769][ T4652] do_new_mount+0x24a/0xa40
[ 304.924481][ T4652] __se_sys_mount+0x2e3/0x3d0
[ 304.929181][ T4652] ? __x64_sys_mount+0xc0/0xc0
[ 304.934321][ T4652] ? lockdep_hardirqs_on+0x94/0x140
[ 304.939668][ T4652] ? __x64_sys_mount+0x1c/0xc0
[ 304.944726][ T4652] do_syscall_64+0x4c/0xa0
[ 304.949365][ T4652] ? clear_bhb_loop+0x60/0xb0
[ 304.954165][ T4652] ? clear_bhb_loop+0x60/0xb0
[ 304.959131][ T4652] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 304.965392][ T4652] RIP: 0033:0x7ff7d699e04a
[ 304.969922][ T4652] 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
[ 304.990717][ T4652] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 304.999691][ T4652] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 305.008366][ T4652] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 305.016728][ T4652] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 305.024980][ T4652] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 305.033158][ T4652] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 305.042136][ T4652]
[ 305.049819][ T4652] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 305.087215][ T4652] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 305.424121][ T4654] loop1: detected capacity change from 0 to 32768
[ 305.440501][ T4654] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 305.448821][ T4654] CPU: 0 PID: 4654 Comm: syz.1.211 Not tainted syzkaller #0
[ 305.456338][ T4654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 305.466789][ T4654] Call Trace:
[ 305.470203][ T4654]
[ 305.473256][ T4654] dump_stack_lvl+0x188/0x24e
[ 305.478086][ T4654] ? show_regs_print_info+0x12/0x12
[ 305.483426][ T4654] ? load_image+0x400/0x400
[ 305.488015][ T4654] sysfs_create_dir_ns+0x26a/0x290
[ 305.493542][ T4654] ? sysfs_warn_dup+0xa0/0xa0
[ 305.498295][ T4654] ? do_raw_spin_unlock+0x11d/0x230
[ 305.503606][ T4654] kobject_add_internal+0x61c/0xcc0
[ 305.508869][ T4654] kobject_init_and_add+0x128/0x190
[ 305.514115][ T4654] ? lockdep_softirqs_off+0x430/0x430
[ 305.519536][ T4654] ? kobject_add+0x230/0x230
[ 305.524289][ T4654] ? __init_swait_queue_head+0xa5/0x150
[ 305.529932][ T4654] gfs2_sys_fs_add+0x24f/0x4b0
[ 305.535021][ T4654] ? gfs2_recover_set+0x240/0x240
[ 305.540279][ T4654] ? snprintf+0xe5/0x140
[ 305.544719][ T4654] ? vscnprintf+0x80/0x80
[ 305.549114][ T4654] gfs2_fill_super+0x128c/0x1fb0
[ 305.554130][ T4654] ? gfs2_reconfigure+0xd30/0xd30
[ 305.559373][ T4654] ? sb_set_blocksize+0xa5/0xe0
[ 305.564290][ T4654] get_tree_bdev+0x3f1/0x610
[ 305.569020][ T4654] ? gfs2_reconfigure+0xd30/0xd30
[ 305.574179][ T4654] gfs2_get_tree+0x4d/0x1e0
[ 305.578999][ T4654] vfs_get_tree+0x88/0x270
[ 305.583550][ T4654] do_new_mount+0x24a/0xa40
[ 305.588190][ T4654] __se_sys_mount+0x2e3/0x3d0
[ 305.593190][ T4654] ? __x64_sys_mount+0xc0/0xc0
[ 305.598263][ T4654] ? lockdep_hardirqs_on+0x94/0x140
[ 305.603504][ T4654] ? __x64_sys_mount+0x1c/0xc0
[ 305.608311][ T4654] do_syscall_64+0x4c/0xa0
[ 305.612782][ T4654] ? clear_bhb_loop+0x60/0xb0
[ 305.617688][ T4654] ? clear_bhb_loop+0x60/0xb0
[ 305.622866][ T4654] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 305.628890][ T4654] RIP: 0033:0x7ff7d699e04a
[ 305.633702][ T4654] 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
[ 305.653515][ T4654] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 305.662132][ T4654] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 305.670341][ T4654] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 305.678521][ T4654] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 305.686606][ T4654] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 305.694954][ T4654] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 305.703246][ T4654]
[ 305.707186][ T4654] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 305.720767][ T4654] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 306.062060][ T4655] loop1: detected capacity change from 0 to 32768
[ 306.080646][ T4655] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 306.089938][ T4655] CPU: 0 PID: 4655 Comm: syz.1.212 Not tainted syzkaller #0
[ 306.097497][ T4655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 306.108145][ T4655] Call Trace:
[ 306.111740][ T4655]
[ 306.114723][ T4655] dump_stack_lvl+0x188/0x24e
[ 306.119823][ T4655] ? show_regs_print_info+0x12/0x12
[ 306.125132][ T4655] ? load_image+0x400/0x400
[ 306.129784][ T4655] sysfs_create_dir_ns+0x26a/0x290
[ 306.135232][ T4655] ? sysfs_warn_dup+0xa0/0xa0
[ 306.140240][ T4655] ? do_raw_spin_unlock+0x11d/0x230
[ 306.145754][ T4655] kobject_add_internal+0x61c/0xcc0
[ 306.151379][ T4655] kobject_init_and_add+0x128/0x190
[ 306.156630][ T4655] ? lockdep_softirqs_off+0x430/0x430
[ 306.162236][ T4655] ? kobject_add+0x230/0x230
[ 306.166883][ T4655] ? __init_swait_queue_head+0xa5/0x150
[ 306.172600][ T4655] gfs2_sys_fs_add+0x24f/0x4b0
[ 306.177430][ T4655] ? gfs2_recover_set+0x240/0x240
[ 306.182605][ T4655] ? snprintf+0xe5/0x140
[ 306.186995][ T4655] ? vscnprintf+0x80/0x80
[ 306.191473][ T4655] gfs2_fill_super+0x128c/0x1fb0
[ 306.196461][ T4655] ? gfs2_reconfigure+0xd30/0xd30
[ 306.201794][ T4655] ? sb_set_blocksize+0xa5/0xe0
[ 306.206670][ T4655] get_tree_bdev+0x3f1/0x610
[ 306.211373][ T4655] ? gfs2_reconfigure+0xd30/0xd30
[ 306.216440][ T4655] gfs2_get_tree+0x4d/0x1e0
[ 306.221160][ T4655] vfs_get_tree+0x88/0x270
[ 306.225746][ T4655] do_new_mount+0x24a/0xa40
[ 306.230304][ T4655] __se_sys_mount+0x2e3/0x3d0
[ 306.235568][ T4655] ? __x64_sys_mount+0xc0/0xc0
[ 306.240557][ T4655] ? lockdep_hardirqs_on+0x94/0x140
[ 306.246147][ T4655] ? __x64_sys_mount+0x1c/0xc0
[ 306.251120][ T4655] do_syscall_64+0x4c/0xa0
[ 306.255661][ T4655] ? clear_bhb_loop+0x60/0xb0
[ 306.260355][ T4655] ? clear_bhb_loop+0x60/0xb0
[ 306.265058][ T4655] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 306.271003][ T4655] RIP: 0033:0x7ff7d699e04a
[ 306.275536][ T4655] 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
[ 306.295247][ T4655] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 306.304547][ T4655] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 306.312620][ T4655] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 306.320776][ T4655] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 306.328932][ T4655] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 306.337008][ T4655] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 306.345975][ T4655]
[ 306.358542][ T4655] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 306.374654][ T4655] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 306.714935][ T4656] loop1: detected capacity change from 0 to 32768
[ 306.740643][ T4656] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 306.751149][ T4656] CPU: 0 PID: 4656 Comm: syz.1.213 Not tainted syzkaller #0
[ 306.758669][ T4656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 306.769101][ T4656] Call Trace:
[ 306.772514][ T4656]
[ 306.775486][ T4656] dump_stack_lvl+0x188/0x24e
[ 306.780488][ T4656] ? show_regs_print_info+0x12/0x12
[ 306.785836][ T4656] ? load_image+0x400/0x400
[ 306.790488][ T4656] sysfs_create_dir_ns+0x26a/0x290
[ 306.795918][ T4656] ? sysfs_warn_dup+0xa0/0xa0
[ 306.801163][ T4656] ? do_raw_spin_unlock+0x11d/0x230
[ 306.806647][ T4656] kobject_add_internal+0x61c/0xcc0
[ 306.812115][ T4656] kobject_init_and_add+0x128/0x190
[ 306.817627][ T4656] ? lockdep_softirqs_off+0x430/0x430
[ 306.823063][ T4656] ? kobject_add+0x230/0x230
[ 306.827804][ T4656] ? __init_swait_queue_head+0xa5/0x150
[ 306.833437][ T4656] gfs2_sys_fs_add+0x24f/0x4b0
[ 306.838704][ T4656] ? gfs2_recover_set+0x240/0x240
[ 306.843875][ T4656] ? snprintf+0xe5/0x140
[ 306.848178][ T4656] ? vscnprintf+0x80/0x80
[ 306.852574][ T4656] gfs2_fill_super+0x128c/0x1fb0
[ 306.857583][ T4656] ? gfs2_reconfigure+0xd30/0xd30
[ 306.862749][ T4656] ? sb_set_blocksize+0xa5/0xe0
[ 306.867634][ T4656] get_tree_bdev+0x3f1/0x610
[ 306.872348][ T4656] ? gfs2_reconfigure+0xd30/0xd30
[ 306.877491][ T4656] gfs2_get_tree+0x4d/0x1e0
[ 306.882020][ T4656] vfs_get_tree+0x88/0x270
[ 306.886454][ T4656] do_new_mount+0x24a/0xa40
[ 306.891005][ T4656] __se_sys_mount+0x2e3/0x3d0
[ 306.895729][ T4656] ? __x64_sys_mount+0xc0/0xc0
[ 306.900525][ T4656] ? lockdep_hardirqs_on+0x94/0x140
[ 306.906002][ T4656] ? __x64_sys_mount+0x1c/0xc0
[ 306.910882][ T4656] do_syscall_64+0x4c/0xa0
[ 306.915608][ T4656] ? clear_bhb_loop+0x60/0xb0
[ 306.920336][ T4656] ? clear_bhb_loop+0x60/0xb0
[ 306.925114][ T4656] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 306.931038][ T4656] RIP: 0033:0x7ff7d699e04a
[ 306.936346][ T4656] 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
[ 306.956326][ T4656] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 306.965019][ T4656] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 306.973186][ T4656] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 306.981609][ T4656] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 306.989855][ T4656] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 306.998038][ T4656] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 307.006225][ T4656]
[ 307.014881][ T4656] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 307.029132][ T4656] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 307.145097][ T28] INFO: task kworker/0:9:4331 blocked for more than 143 seconds.
[ 307.157113][ T28] Not tainted syzkaller #0
[ 307.171078][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 307.180582][ T28] task:kworker/0:9 state:D stack:23832 pid:4331 ppid:2 flags:0x00004000
[ 307.190901][ T28] Workqueue: gfs_recovery gfs2_recover_func
[ 307.197654][ T28] Call Trace:
[ 307.201767][ T28]
[ 307.204932][ T28] __schedule+0x11d1/0x40e0
[ 307.209504][ T28] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 307.216029][ T28] ? __sched_text_start+0x8/0x8
[ 307.221619][ T28] ? lock_chain_count+0x20/0x20
[ 307.226641][ T28] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 307.233881][ T28] ? _raw_spin_unlock_irq+0x1f/0x40
[ 307.239625][ T28] ? lockdep_hardirqs_on+0x94/0x140
[ 307.245325][ T28] schedule+0xb9/0x180
[ 307.249469][ T28] io_schedule+0x7c/0xd0
[ 307.256905][ T28] folio_wait_bit_common+0x70a/0xfa0
[ 307.262945][ T28] ? folio_wait_bit+0x30/0x30
[ 307.267994][ T28] ? migration_entry_wait_on_locked+0xe90/0xe90
[ 307.277127][ T28] ? __submit_bio+0x1a7/0x290
[ 307.282377][ T28] gfs2_jhead_process_page+0x17a/0x800
[ 307.288088][ T28] ? should_fail_request+0x70/0x70
[ 307.296254][ T28] ? gfs2_end_log_read+0x780/0x780
[ 307.301925][ T28] gfs2_find_jhead+0xba2/0xd00
[ 307.307218][ T28] gfs2_recover_func+0x6d2/0x1ca0
[ 307.315341][ T28] ? __get_log_header+0x4f0/0x4f0
[ 307.320570][ T28] ? __lock_acquire+0x13cf/0x7d10
[ 307.326144][ T28] ? verify_lock_unused+0x140/0x140
[ 307.332748][ T28] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 307.338908][ T28] ? _raw_spin_unlock+0x40/0x40
[ 307.344326][ T28] ? _raw_spin_unlock_irq+0x1f/0x40
[ 307.349764][ T28] ? process_one_work+0x7b0/0x1160
[ 307.356230][ T28] process_one_work+0x8a2/0x1160
[ 307.362033][ T28] ? worker_detach_from_pool+0x240/0x240
[ 307.368168][ T28] ? _raw_spin_lock_irq+0xb7/0xf0
[ 307.376256][ T28] ? _raw_spin_lock_irqsave+0x100/0x100
[ 307.383369][ T28] ? kthread_data+0x4b/0xc0
[ 307.387952][ T28] worker_thread+0xaa2/0x1270
[ 307.395457][ T28] ? __kthread_parkme+0x162/0x1c0
[ 307.400738][ T28] kthread+0x29d/0x330
[ 307.405376][ T28] ? worker_clr_flags+0x1a0/0x1a0
[ 307.410590][ T28] ? kthread_blkcg+0xd0/0xd0
[ 307.418038][ T28] ret_from_fork+0x1f/0x30
[ 307.422976][ T28]
[ 307.426268][ T28] INFO: task syz.0.17:4431 blocked for more than 143 seconds.
[ 307.436918][ T28] Not tainted syzkaller #0
[ 307.442938][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 307.453773][ T28] task:syz.0.17 state:D stack:24784 pid:4431 ppid:4387 flags:0x00004004
[ 307.463682][ T28] Call Trace:
[ 307.467505][ T28]
[ 307.470661][ T28] __schedule+0x11d1/0x40e0
[ 307.478404][ T28] ? lock_chain_count+0x20/0x20
[ 307.483856][ T28] ? __sched_text_start+0x8/0x8
[ 307.487776][ T4658] loop1: detected capacity change from 0 to 32768
[ 307.488829][ T28] ? _raw_spin_unlock_irqrestore+0x82/0x120
[ 307.498713][ T4658] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 307.511968][ T28] ? lockdep_hardirqs_on+0x94/0x140
[ 307.517536][ T28] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 307.518015][ T4658] CPU: 0 PID: 4658 Comm: syz.1.214 Not tainted syzkaller #0
[ 307.524112][ T28] ? _raw_spin_unlock+0x40/0x40
[ 307.531196][ T4658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 307.531211][ T4658] Call Trace:
[ 307.531220][ T4658]
[ 307.531228][ T4658] dump_stack_lvl+0x188/0x24e
[ 307.536778][ T28] schedule+0xb9/0x180
[ 307.546629][ T4658] ? show_regs_print_info+0x12/0x12
[ 307.546686][ T4658] ? load_image+0x400/0x400
[ 307.546722][ T4658] sysfs_create_dir_ns+0x26a/0x290
[ 307.550599][ T28] bit_wait+0xd/0xc0
[ 307.552954][ T4658] ? sysfs_warn_dup+0xa0/0xa0
[ 307.552989][ T4658] ? do_raw_spin_unlock+0x11d/0x230
[ 307.558010][ T28] __wait_on_bit+0xa8/0x2d0
[ 307.561837][ T4658] kobject_add_internal+0x61c/0xcc0
[ 307.561874][ T4658] kobject_init_and_add+0x128/0x190
[ 307.568291][ T28] ? out_of_line_wait_on_bit_lock+0x190/0x190
[ 307.572151][ T4658] ? lockdep_softirqs_off+0x430/0x430
[ 307.572190][ T4658] ? kobject_add+0x230/0x230
[ 307.572220][ T4658] ? __init_swait_queue_head+0xa5/0x150
[ 307.572253][ T4658] gfs2_sys_fs_add+0x24f/0x4b0
[ 307.572286][ T4658] ? gfs2_recover_set+0x240/0x240
[ 307.572316][ T4658] ? snprintf+0xe5/0x140
[ 307.572344][ T4658] ? vscnprintf+0x80/0x80
[ 307.579956][ T28] out_of_line_wait_on_bit+0x138/0x190
[ 307.581596][ T4658] gfs2_fill_super+0x128c/0x1fb0
[ 307.581639][ T4658] ? gfs2_reconfigure+0xd30/0xd30
[ 307.587158][ T28] ? out_of_line_wait_on_bit_lock+0x190/0x190
[ 307.591712][ T4658] ? sb_set_blocksize+0xa5/0xe0
[ 307.591748][ T4658] get_tree_bdev+0x3f1/0x610
[ 307.596675][ T28] ? __wait_on_bit+0x2d0/0x2d0
[ 307.601549][ T4658] ? gfs2_reconfigure+0xd30/0xd30
[ 307.601578][ T4658] gfs2_get_tree+0x4d/0x1e0
[ 307.601604][ T4658] vfs_get_tree+0x88/0x270
[ 307.607441][ T28] ? bit_waitqueue+0x30/0x30
[ 307.612887][ T4658] do_new_mount+0x24a/0xa40
[ 307.612925][ T4658] __se_sys_mount+0x2e3/0x3d0
[ 307.618757][ T28] ? do_raw_spin_unlock+0x11d/0x230
[ 307.623114][ T4658] ? __x64_sys_mount+0xc0/0xc0
[ 307.623146][ T4658] ? lockdep_hardirqs_on+0x94/0x140
[ 307.623168][ T4658] ? __x64_sys_mount+0x1c/0xc0
[ 307.623192][ T4658] do_syscall_64+0x4c/0xa0
[ 307.623219][ T4658] ? clear_bhb_loop+0x60/0xb0
[ 307.623245][ T4658] ? clear_bhb_loop+0x60/0xb0
[ 307.623271][ T4658] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 307.623295][ T4658] RIP: 0033:0x7ff7d699e04a
[ 307.623317][ T4658] 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
[ 307.623335][ T4658] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 307.623360][ T4658] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 307.623377][ T4658] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 307.623392][ T4658] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 307.623407][ T4658] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 307.630288][ T28] gfs2_recover_journal+0xd6/0x130
[ 307.633726][ T4658] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 307.633762][ T4658]
[ 307.643795][ T4658] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 307.650578][ T28] init_journal+0x17fc/0x23e0
[ 307.677649][ T4658] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 307.680644][ T28] ? init_inodes+0xdb/0x320
[ 307.878862][ T28] ? _compound_head+0x120/0x120
[ 307.884195][ T28] ? snprintf+0xe5/0x140
[ 307.888496][ T28] ? init_inodes+0xdb/0x320
[ 307.893104][ T28] ? vscnprintf+0x80/0x80
[ 307.897586][ T28] ? gfs2_glock_nq_num+0x17f/0x1c0
[ 307.902895][ T28] init_inodes+0xdb/0x320
[ 307.907465][ T28] gfs2_fill_super+0x1749/0x1fb0
[ 307.912601][ T28] ? gfs2_reconfigure+0xd30/0xd30
[ 307.918051][ T28] ? init_locking+0xb8/0x200
[ 307.922773][ T28] ? sb_set_blocksize+0xa5/0xe0
[ 307.927705][ T28] get_tree_bdev+0x3f1/0x610
[ 307.932554][ T28] ? gfs2_reconfigure+0xd30/0xd30
[ 307.937913][ T28] gfs2_get_tree+0x4d/0x1e0
[ 307.942625][ T28] vfs_get_tree+0x88/0x270
[ 307.947239][ T28] do_new_mount+0x24a/0xa40
[ 307.951954][ T28] __se_sys_mount+0x2e3/0x3d0
[ 307.956681][ T28] ? __x64_sys_mount+0xc0/0xc0
[ 307.971087][ T28] ? lockdep_hardirqs_on+0x94/0x140
[ 307.976640][ T28] ? __x64_sys_mount+0x1c/0xc0
[ 307.991099][ T28] do_syscall_64+0x4c/0xa0
[ 307.996228][ T28] ? clear_bhb_loop+0x60/0xb0
[ 308.001374][ T28] ? clear_bhb_loop+0x60/0xb0
[ 308.006302][ T28] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 308.021220][ T28] RIP: 0033:0x7f4e7519e04a
[ 308.025728][ T28] RSP: 002b:00007ffc20c44a18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 308.041079][ T28] RAX: ffffffffffffffda RBX: 00007ffc20c44aa0 RCX: 00007f4e7519e04a
[ 308.049485][ T28] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc20c44a60
[ 308.076112][ T28] RBP: 0000200000037f40 R08: 00007ffc20c44aa0 R09: 0000000001010084
[ 308.099768][ T28] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 308.123465][ T28] R13: 00007ffc20c44a60 R14: 0000000000037f45 R15: 0000200000000480
[ 308.146030][ T28]
[ 308.149264][ T28]
[ 308.149264][ T28] Showing all locks held in the system:
[ 308.157212][ T28] 1 lock held by rcu_tasks_kthre/12:
[ 308.164168][ T28] #0: ffffffff8cb2df70 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x33/0xf00
[ 308.174819][ T28] 1 lock held by rcu_tasks_trace/13:
[ 308.180194][ T28] #0: ffffffff8cb2e790 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x33/0xf00
[ 308.191734][ T28] 1 lock held by khungtaskd/28:
[ 308.196632][ T28] #0: ffffffff8cb2d5e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290
[ 308.206981][ T28] 2 locks held by getty/4022:
[ 308.211899][ T28] #0: ffff88814d2c5098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 308.221976][ T28] #1: ffffc9000327b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x429/0x1390
[ 308.232434][ T28] 2 locks held by kworker/0:9/4331:
[ 308.237679][ T28] #0: ffff88801af99938 ((wq_completion)gfs_recovery){+.+.}-{0:0}, at: process_one_work+0x7b0/0x1160
[ 308.249019][ T28] #1: ffffc90003f77d00 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x7b0/0x1160
[ 308.260813][ T28] 2 locks held by kworker/u4:5/4377:
[ 308.266606][ T28] 1 lock held by syz.0.17/4431:
[ 308.271890][ T28] #0: ffff88807a7560e0 (&type->s_umount_key#52/1){+.+.}-{3:3}, at: alloc_super+0x1fa/0x930
[ 308.282358][ T28] 2 locks held by syz.1.215/4659:
[ 308.285583][ T4659] loop1: detected capacity change from 0 to 32768
[ 308.287816][ T28] 2 locks held by dhcpcd/4660:
[ 308.299036][ T4659] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 308.308542][ T4659] CPU: 0 PID: 4659 Comm: syz.1.215 Not tainted syzkaller #0
[ 308.312708][ T28] #0:
[ 308.316750][ T4659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 308.316770][ T28] ffff888147b20130
[ 308.319708][ T4659] Call Trace:
[ 308.319720][ T4659]
[ 308.330086][ T28] (
[ 308.333759][ T4659] dump_stack_lvl+0x188/0x24e
[ 308.333809][ T4659] ? show_regs_print_info+0x12/0x12
[ 308.337084][ T28] sk_lock-AF_PACKET
[ 308.340189][ T4659] ? load_image+0x400/0x400
[ 308.342740][ T28] ){+.+.}-{0:0}
[ 308.347502][ T4659] sysfs_create_dir_ns+0x26a/0x290
[ 308.352728][ T28] , at: packet_do_bind+0x32/0xce0
[ 308.356676][ T4659] ? sysfs_warn_dup+0xa0/0xa0
[ 308.362303][ T28] #1:
[ 308.364990][ T4659] ? do_raw_spin_unlock+0x11d/0x230
[ 308.370095][ T28] ffffffff8cb332b8
[ 308.375146][ T4659] kobject_add_internal+0x61c/0xcc0
[ 308.375181][ T4659] kobject_init_and_add+0x128/0x190
[ 308.379933][ T28] (rcu_state.exp_mutex
[ 308.382779][ T4659] ? lockdep_softirqs_off+0x430/0x430
[ 308.382814][ T4659] ? kobject_add+0x230/0x230
[ 308.388441][ T28] ){+.+.}-{3:3}
[ 308.392161][ T4659] ? __init_swait_queue_head+0xa5/0x150
[ 308.397540][ T28] , at: synchronize_rcu_expedited+0x2ec/0x890
[ 308.402920][ T4659] gfs2_sys_fs_add+0x24f/0x4b0
[ 308.407375][ T28]
[ 308.412832][ T4659] ? gfs2_recover_set+0x240/0x240
[ 308.412864][ T4659] ? snprintf+0xe5/0x140
[ 308.412892][ T4659] ? vscnprintf+0x80/0x80
[ 308.412926][ T4659] gfs2_fill_super+0x128c/0x1fb0
[ 308.420401][ T28] =============================================
[ 308.420401][ T28]
[ 308.421162][ T4659] ? gfs2_reconfigure+0xd30/0xd30
[ 308.421201][ T4659] ? sb_set_blocksize+0xa5/0xe0
[ 308.478072][ T4659] get_tree_bdev+0x3f1/0x610
[ 308.482693][ T4659] ? gfs2_reconfigure+0xd30/0xd30
[ 308.487852][ T4659] gfs2_get_tree+0x4d/0x1e0
[ 308.492418][ T4659] vfs_get_tree+0x88/0x270
[ 308.496961][ T4659] do_new_mount+0x24a/0xa40
[ 308.501580][ T4659] __se_sys_mount+0x2e3/0x3d0
[ 308.506476][ T4659] ? __x64_sys_mount+0xc0/0xc0
[ 308.511381][ T4659] ? lockdep_hardirqs_on+0x94/0x140
[ 308.516604][ T4659] ? __x64_sys_mount+0x1c/0xc0
[ 308.521658][ T4659] do_syscall_64+0x4c/0xa0
[ 308.526100][ T4659] ? clear_bhb_loop+0x60/0xb0
[ 308.530797][ T4659] ? clear_bhb_loop+0x60/0xb0
[ 308.535502][ T4659] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 308.541431][ T4659] RIP: 0033:0x7ff7d699e04a
[ 308.545865][ T4659] 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
[ 308.565946][ T4659] RSP: 002b:00007ffc57e3ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 308.574474][ T4659] RAX: ffffffffffffffda RBX: 00007ffc57e3ad20 RCX: 00007ff7d699e04a
[ 308.582821][ T4659] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc57e3ace0
[ 308.591067][ T4659] RBP: 0000200000037f40 R08: 00007ffc57e3ad20 R09: 0000000001010084
[ 308.599143][ T4659] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 308.607316][ T4659] R13: 00007ffc57e3ace0 R14: 0000000000037f45 R15: 0000200000000480
[ 308.615594][ T4659]
[ 308.618714][ T28] NMI backtrace for cpu 1
[ 308.623100][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted syzkaller #0
[ 308.630337][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 308.640925][ T28] Call Trace:
[ 308.644679][ T28]
[ 308.647893][ T28] dump_stack_lvl+0x188/0x24e
[ 308.652602][ T28] ? asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 308.658778][ T28] ? show_regs_print_info+0x12/0x12
[ 308.664212][ T28] ? load_image+0x400/0x400
[ 308.668763][ T28] nmi_cpu_backtrace+0x3e6/0x460
[ 308.673739][ T28] ? nmi_trigger_cpumask_backtrace+0x450/0x450
[ 308.680110][ T28] ? _printk+0xda/0x130
[ 308.684486][ T28] ? load_image+0x400/0x400
[ 308.689047][ T28] ? load_image+0x400/0x400
[ 308.693598][ T28] ? nmi_trigger_cpumask_backtrace+0xf3/0x450
[ 308.700324][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 308.706694][ T28] nmi_trigger_cpumask_backtrace+0x1d4/0x450
[ 308.712930][ T28] watchdog+0xeee/0xf30
[ 308.717241][ T28] ? watchdog+0x1ed/0xf30
[ 308.722129][ T28] kthread+0x29d/0x330
[ 308.726406][ T28] ? hungtask_pm_notify+0x40/0x40
[ 308.731727][ T28] ? kthread_blkcg+0xd0/0xd0
[ 308.736515][ T28] ret_from_fork+0x1f/0x30
[ 308.741251][ T28]
[ 308.744444][ T28] Sending NMI from CPU 1 to CPUs 0:
[ 308.749707][ C0] NMI backtrace for cpu 0
[ 308.749721][ C0] CPU: 0 PID: 11 Comm: kworker/u4:1 Not tainted syzkaller #0
[ 308.749738][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 308.749748][ C0] Workqueue: events_unbound nsim_dev_trap_report_work
[ 308.749774][ C0] RIP: 0010:unwind_next_frame+0x132e/0x20b0
[ 308.749795][ C0] Code: 00 c6 05 56 5b d2 0c 01 48 c7 c7 40 83 89 8a 48 8b 74 24 68 e8 75 94 e9 08 e9 7f 05 00 00 49 89 f7 49 89 f5 4c 89 e0 4c 29 e8 <48> 89 c1 48 c1 f9 02 48 c1 e8 3f 48 01 c8 48 83 e0 fe 4d 8d 74 45
[ 308.749809][ C0] RSP: 0018:ffffc900001075b0 EFLAGS: 00000246
[ 308.749822][ C0] RAX: 0000000000000000 RBX: ffffc90000107688 RCX: ffffffff96c00100
[ 308.749833][ C0] RDX: ffffffff8ef1ef72 RSI: ffffffff8e66b0ec RDI: 0000000000000001
[ 308.749844][ C0] RBP: ffffffff86138c8e R08: 0000000000000001 R09: 0000000000000005
[ 308.749854][ C0] R10: dffffc0000000000 R11: fffff52000020edd R12: ffffffff8e66b0ec
[ 308.749865][ C0] R13: ffffffff8e66b0ec R14: 000000000005138c R15: ffffffff8e66b0ec
[ 308.749876][ C0] FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
[ 308.749889][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 308.749901][ C0] CR2: 00007f75987e2000 CR3: 0000000072b7a000 CR4: 00000000003506f0
[ 308.749917][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 308.749926][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 308.749937][ C0] Call Trace:
[ 308.749942][ C0]
[ 308.749953][ C0] ? nsim_dev_trap_report_work+0x28f/0xaf0
[ 308.749975][ C0] ? stack_trace_save+0xf0/0xf0
[ 308.749994][ C0] arch_stack_walk+0x10c/0x140
[ 308.750015][ C0] ? nsim_dev_trap_report_work+0x28f/0xaf0
[ 308.750036][ C0] stack_trace_save+0xa6/0xf0
[ 308.750054][ C0] ? stack_trace_snprint+0xf0/0xf0
[ 308.750073][ C0] ? verify_lock_unused+0x140/0x140
[ 308.750092][ C0] ? stack_trace_save+0xa6/0xf0
[ 308.750110][ C0] ? memset+0x1e/0x40
[ 308.750125][ C0] kasan_set_track+0x4b/0x70
[ 308.750144][ C0] ? kasan_set_track+0x4b/0x70
[ 308.750161][ C0] ? __kasan_slab_alloc+0x6b/0x80
[ 308.750180][ C0] ? slab_post_alloc_hook+0x4b/0x480
[ 308.750196][ C0] ? kmem_cache_alloc_node+0x14d/0x320
[ 308.750212][ C0] ? __alloc_skb+0xfc/0x7e0
[ 308.750239][ C0] ? nsim_dev_trap_report_work+0x28f/0xaf0
[ 308.750277][ C0] __kasan_slab_alloc+0x6b/0x80
[ 308.750297][ C0] slab_post_alloc_hook+0x4b/0x480
[ 308.750316][ C0] kmem_cache_alloc_node+0x14d/0x320
[ 308.750332][ C0] ? __alloc_skb+0xfc/0x7e0
[ 308.750353][ C0] __alloc_skb+0xfc/0x7e0
[ 308.750371][ C0] ? kmem_cache_free+0xf7/0x290
[ 308.750389][ C0] nsim_dev_trap_report_work+0x28f/0xaf0
[ 308.750417][ C0] ? process_one_work+0x7b0/0x1160
[ 308.750433][ C0] process_one_work+0x8a2/0x1160
[ 308.750456][ C0] ? worker_detach_from_pool+0x240/0x240
[ 308.750475][ C0] ? _raw_spin_lock_irq+0xb7/0xf0
[ 308.750493][ C0] ? _raw_spin_lock_irqsave+0x100/0x100
[ 308.750509][ C0] ? kthread_data+0x4b/0xc0
[ 308.750531][ C0] worker_thread+0xaa2/0x1270
[ 308.750559][ C0] kthread+0x29d/0x330
[ 308.750571][ C0] ? worker_clr_flags+0x1a0/0x1a0
[ 308.750587][ C0] ? kthread_blkcg+0xd0/0xd0
[ 308.750602][ C0] ret_from_fork+0x1f/0x30
[ 308.750626][ C0]
[ 308.755182][ T4659] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 308.873886][ T28] Kernel panic - not syncing: hung_task: blocked tasks
[ 308.873903][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted syzkaller #0
[ 308.873921][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 308.873932][ T28] Call Trace:
[ 308.873938][ T28]
[ 308.873945][ T28] dump_stack_lvl+0x188/0x24e
[ 308.873977][ T28] ? memcpy+0x3c/0x60
[ 308.873995][ T28] ? show_regs_print_info+0x12/0x12
[ 308.874021][ T28] ? load_image+0x400/0x400
[ 308.874052][ T28] panic+0x2e5/0x730
[ 308.874071][ T28] ? schedule_preempt_disabled+0x20/0x20
[ 308.874098][ T28] ? bpf_jit_dump+0xd0/0xd0
[ 308.874117][ T28] ? __irq_work_queue_local+0x12c/0x190
[ 308.874147][ T28] ? nmi_trigger_cpumask_backtrace+0x35b/0x450
[ 308.874175][ T28] ? nmi_trigger_cpumask_backtrace+0x360/0x450
[ 308.874204][ T28] watchdog+0xf2d/0xf30
[ 308.874229][ T28] ? watchdog+0x1ed/0xf30
[ 308.874254][ T28] kthread+0x29d/0x330
[ 308.874269][ T28] ? hungtask_pm_notify+0x40/0x40
[ 308.874298][ T28] ? kthread_blkcg+0xd0/0xd0
[ 308.874317][ T28] ret_from_fork+0x1f/0x30
[ 308.874351][ T28]
[ 308.879689][ T28] Kernel Offset: disabled
[ 309.210581][ T28] Rebooting in 86400 seconds..