arn_dup+0xa0/0xa0
[ 207.355837][ T5141] ? do_raw_spin_unlock+0x11d/0x230
[ 207.361555][ T5141] kobject_add_internal+0x5ba/0xcd0
[ 207.367430][ T5141] kobject_init_and_add+0x128/0x190
[ 207.374013][ T5141] ? lockdep_softirqs_off+0x430/0x430
[ 207.379905][ T5141] ? kobject_add+0x230/0x230
[ 207.386335][ T5141] ? __init_swait_queue_head+0xa4/0x140
[ 207.392464][ T5141] gfs2_sys_fs_add+0x24f/0x4b0
[ 207.398119][ T5141] ? gfs2_recover_set+0x240/0x240
[ 207.403960][ T5141] ? snprintf+0xe5/0x140
[ 207.408320][ T5141] ? __free_pages+0x95/0x1a0
[ 207.414715][ T5141] ? vscnprintf+0x80/0x80
[ 207.419118][ T5141] gfs2_fill_super+0x11ed/0x1ea0
[ 207.424835][ T5141] ? gfs2_reconfigure+0xd80/0xd80
[ 207.430242][ T5141] ? sb_set_blocksize+0xa5/0xe0
[ 207.435210][ T5141] get_tree_bdev+0x3e6/0x610
[ 207.439985][ T5141] ? gfs2_reconfigure+0xd80/0xd80
[ 207.446917][ T5141] gfs2_get_tree+0x4d/0x1e0
[ 207.453428][ T5141] vfs_get_tree+0x88/0x270
[ 207.458447][ T5141] do_new_mount+0x247/0xa40
[ 207.463876][ T5141] __se_sys_mount+0x2e3/0x3d0
[ 207.470330][ T5141] ? __x64_sys_mount+0xc0/0xc0
[ 207.475771][ T5141] ? lockdep_hardirqs_on+0x94/0x140
[ 207.482392][ T5141] ? __x64_sys_mount+0x1c/0xc0
[ 207.487624][ T5141] do_syscall_64+0x4c/0xa0
[ 207.493294][ T5141] ? clear_bhb_loop+0x30/0x80
[ 207.498280][ T5141] ? clear_bhb_loop+0x30/0x80
[ 207.503140][ T5141] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 207.510481][ T5141] RIP: 0033:0x7f61f646b60a
[ 207.515172][ T5141] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 207.537368][ T5141] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 207.552103][ T5141] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 207.561113][ T5141] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 207.570440][ T5141] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 207.579423][ T5141] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 207.588914][ T5141] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 207.597700][ T5141]
[ 207.601713][ T5141] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 207.617975][ T5141] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 207.925747][ T5143] loop1: detected capacity change from 0 to 32768
[ 207.981171][ T5143] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 207.989763][ T5143] CPU: 1 PID: 5143 Comm: syz.1.134 Not tainted syzkaller #0
[ 207.997193][ T5143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 208.007714][ T5143] Call Trace:
[ 208.011348][ T5143]
[ 208.014567][ T5143] dump_stack_lvl+0x188/0x250
[ 208.019701][ T5143] ? show_regs_print_info+0x20/0x20
[ 208.025177][ T5143] ? load_image+0x410/0x410
[ 208.030326][ T5143] sysfs_create_dir_ns+0x26a/0x290
[ 208.035791][ T5143] ? sysfs_warn_dup+0xa0/0xa0
[ 208.040583][ T5143] ? do_raw_spin_unlock+0x11d/0x230
[ 208.045901][ T5143] kobject_add_internal+0x5ba/0xcd0
[ 208.051707][ T5143] kobject_init_and_add+0x128/0x190
[ 208.057361][ T5143] ? lockdep_softirqs_off+0x430/0x430
[ 208.063272][ T5143] ? kobject_add+0x230/0x230
[ 208.068443][ T5143] ? __init_swait_queue_head+0xa4/0x140
[ 208.074629][ T5143] gfs2_sys_fs_add+0x24f/0x4b0
[ 208.079488][ T5143] ? gfs2_recover_set+0x240/0x240
[ 208.085214][ T5143] ? snprintf+0xe5/0x140
[ 208.090153][ T5143] ? __free_pages+0x95/0x1a0
[ 208.095015][ T5143] ? vscnprintf+0x80/0x80
[ 208.100144][ T5143] gfs2_fill_super+0x11ed/0x1ea0
[ 208.105528][ T5143] ? gfs2_reconfigure+0xd80/0xd80
[ 208.111640][ T5143] ? sb_set_blocksize+0xa5/0xe0
[ 208.116718][ T5143] get_tree_bdev+0x3e6/0x610
[ 208.121804][ T5143] ? gfs2_reconfigure+0xd80/0xd80
[ 208.127338][ T5143] gfs2_get_tree+0x4d/0x1e0
[ 208.131926][ T5143] vfs_get_tree+0x88/0x270
[ 208.136436][ T5143] do_new_mount+0x247/0xa40
[ 208.141508][ T5143] __se_sys_mount+0x2e3/0x3d0
[ 208.146871][ T5143] ? __x64_sys_mount+0xc0/0xc0
[ 208.151951][ T5143] ? lockdep_hardirqs_on+0x94/0x140
[ 208.158310][ T5143] ? __x64_sys_mount+0x1c/0xc0
[ 208.163166][ T5143] do_syscall_64+0x4c/0xa0
[ 208.168046][ T5143] ? clear_bhb_loop+0x30/0x80
[ 208.173729][ T5143] ? clear_bhb_loop+0x30/0x80
[ 208.178627][ T5143] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 208.184792][ T5143] RIP: 0033:0x7f61f646b60a
[ 208.189577][ T5143] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 208.213154][ T5143] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 208.222908][ T5143] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 208.231777][ T5143] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 208.240299][ T5143] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 208.248851][ T5143] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 208.257193][ T5143] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 208.266767][ T5143]
[ 208.270500][ T5143] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 208.285405][ T5143] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 208.590041][ T5145] loop1: detected capacity change from 0 to 32768
[ 208.656245][ T5145] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 208.665240][ T5145] CPU: 0 PID: 5145 Comm: syz.1.135 Not tainted syzkaller #0
[ 208.673631][ T5145] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 208.684864][ T5145] Call Trace:
[ 208.688296][ T5145]
[ 208.692025][ T5145] dump_stack_lvl+0x188/0x250
[ 208.696769][ T5145] ? show_regs_print_info+0x20/0x20
[ 208.702522][ T5145] ? load_image+0x410/0x410
[ 208.707240][ T5145] sysfs_create_dir_ns+0x26a/0x290
[ 208.712735][ T5145] ? sysfs_warn_dup+0xa0/0xa0
[ 208.717796][ T5145] ? do_raw_spin_unlock+0x11d/0x230
[ 208.723990][ T5145] kobject_add_internal+0x5ba/0xcd0
[ 208.730790][ T5145] kobject_init_and_add+0x128/0x190
[ 208.736639][ T5145] ? lockdep_softirqs_off+0x430/0x430
[ 208.742483][ T5145] ? kobject_add+0x230/0x230
[ 208.747655][ T5145] ? __init_swait_queue_head+0xa4/0x140
[ 208.754314][ T5145] gfs2_sys_fs_add+0x24f/0x4b0
[ 208.759931][ T5145] ? gfs2_recover_set+0x240/0x240
[ 208.765591][ T5145] ? snprintf+0xe5/0x140
[ 208.770636][ T5145] ? __free_pages+0x95/0x1a0
[ 208.775541][ T5145] ? vscnprintf+0x80/0x80
[ 208.780281][ T5145] gfs2_fill_super+0x11ed/0x1ea0
[ 208.785635][ T5145] ? gfs2_reconfigure+0xd80/0xd80
[ 208.791051][ T5145] ? sb_set_blocksize+0xa5/0xe0
[ 208.796476][ T5145] get_tree_bdev+0x3e6/0x610
[ 208.802047][ T5145] ? gfs2_reconfigure+0xd80/0xd80
[ 208.808163][ T5145] gfs2_get_tree+0x4d/0x1e0
[ 208.812954][ T5145] vfs_get_tree+0x88/0x270
[ 208.817381][ T5145] do_new_mount+0x247/0xa40
[ 208.822532][ T5145] __se_sys_mount+0x2e3/0x3d0
[ 208.827938][ T5145] ? __x64_sys_mount+0xc0/0xc0
[ 208.833089][ T5145] ? lockdep_hardirqs_on+0x94/0x140
[ 208.838906][ T5145] ? __x64_sys_mount+0x1c/0xc0
[ 208.843892][ T5145] do_syscall_64+0x4c/0xa0
[ 208.848394][ T5145] ? clear_bhb_loop+0x30/0x80
[ 208.853302][ T5145] ? clear_bhb_loop+0x30/0x80
[ 208.858340][ T5145] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 208.865207][ T5145] RIP: 0033:0x7f61f646b60a
[ 208.870287][ T5145] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 208.891923][ T5145] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 208.900986][ T5145] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 208.909477][ T5145] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 208.917534][ T5145] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 208.925795][ T5145] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 208.935134][ T5145] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 208.943944][ T5145]
[ 208.949799][ T5145] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 208.964485][ T5145] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 209.290126][ T5147] loop1: detected capacity change from 0 to 32768
[ 209.339857][ T5147] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 209.348216][ T5147] CPU: 0 PID: 5147 Comm: syz.1.136 Not tainted syzkaller #0
[ 209.356044][ T5147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 209.367075][ T5147] Call Trace:
[ 209.371059][ T5147]
[ 209.374830][ T5147] dump_stack_lvl+0x188/0x250
[ 209.379885][ T5147] ? show_regs_print_info+0x20/0x20
[ 209.385640][ T5147] ? load_image+0x410/0x410
[ 209.391152][ T5147] sysfs_create_dir_ns+0x26a/0x290
[ 209.396404][ T5147] ? sysfs_warn_dup+0xa0/0xa0
[ 209.401530][ T5147] ? do_raw_spin_unlock+0x11d/0x230
[ 209.407186][ T5147] kobject_add_internal+0x5ba/0xcd0
[ 209.412606][ T5147] kobject_init_and_add+0x128/0x190
[ 209.418260][ T5147] ? lockdep_softirqs_off+0x430/0x430
[ 209.424009][ T5147] ? kobject_add+0x230/0x230
[ 209.428926][ T5147] ? __init_swait_queue_head+0xa4/0x140
[ 209.434979][ T5147] gfs2_sys_fs_add+0x24f/0x4b0
[ 209.439948][ T5147] ? gfs2_recover_set+0x240/0x240
[ 209.445604][ T5147] ? snprintf+0xe5/0x140
[ 209.450173][ T5147] ? __free_pages+0x95/0x1a0
[ 209.454957][ T5147] ? vscnprintf+0x80/0x80
[ 209.459373][ T5147] gfs2_fill_super+0x11ed/0x1ea0
[ 209.464746][ T5147] ? gfs2_reconfigure+0xd80/0xd80
[ 209.470104][ T5147] ? sb_set_blocksize+0xa5/0xe0
[ 209.475219][ T5147] get_tree_bdev+0x3e6/0x610
[ 209.480458][ T5147] ? gfs2_reconfigure+0xd80/0xd80
[ 209.485655][ T5147] gfs2_get_tree+0x4d/0x1e0
[ 209.490244][ T5147] vfs_get_tree+0x88/0x270
[ 209.494765][ T5147] do_new_mount+0x247/0xa40
[ 209.499540][ T5147] __se_sys_mount+0x2e3/0x3d0
[ 209.504346][ T5147] ? __x64_sys_mount+0xc0/0xc0
[ 209.509192][ T5147] ? lockdep_hardirqs_on+0x94/0x140
[ 209.514524][ T5147] ? __x64_sys_mount+0x1c/0xc0
[ 209.519469][ T5147] do_syscall_64+0x4c/0xa0
[ 209.524160][ T5147] ? clear_bhb_loop+0x30/0x80
[ 209.529274][ T5147] ? clear_bhb_loop+0x30/0x80
[ 209.534571][ T5147] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 209.540948][ T5147] RIP: 0033:0x7f61f646b60a
[ 209.546252][ T5147] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 209.568676][ T5147] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 209.578505][ T5147] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 209.587951][ T5147] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 209.596506][ T5147] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 209.605747][ T5147] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 209.614195][ T5147] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 209.624726][ T5147]
[ 209.630007][ T5147] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 209.645164][ T5147] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 210.022840][ T5149] loop1: detected capacity change from 0 to 32768
[ 210.043470][ T5149] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 210.054344][ T5149] CPU: 0 PID: 5149 Comm: syz.1.137 Not tainted syzkaller #0
[ 210.062746][ T5149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 210.073425][ T5149] Call Trace:
[ 210.077709][ T5149]
[ 210.080902][ T5149] dump_stack_lvl+0x188/0x250
[ 210.086665][ T5149] ? show_regs_print_info+0x20/0x20
[ 210.092962][ T5149] ? load_image+0x410/0x410
[ 210.098099][ T5149] sysfs_create_dir_ns+0x26a/0x290
[ 210.103777][ T5149] ? sysfs_warn_dup+0xa0/0xa0
[ 210.109142][ T5149] ? do_raw_spin_unlock+0x11d/0x230
[ 210.114555][ T5149] kobject_add_internal+0x5ba/0xcd0
[ 210.120039][ T5149] kobject_init_and_add+0x128/0x190
[ 210.125802][ T5149] ? lockdep_softirqs_off+0x430/0x430
[ 210.131281][ T5149] ? kobject_add+0x230/0x230
[ 210.136011][ T5149] ? __init_swait_queue_head+0xa4/0x140
[ 210.142701][ T5149] gfs2_sys_fs_add+0x24f/0x4b0
[ 210.147717][ T5149] ? gfs2_recover_set+0x240/0x240
[ 210.152923][ T5149] ? snprintf+0xe5/0x140
[ 210.157355][ T5149] ? __free_pages+0x95/0x1a0
[ 210.161959][ T5149] ? vscnprintf+0x80/0x80
[ 210.166488][ T5149] gfs2_fill_super+0x11ed/0x1ea0
[ 210.171702][ T5149] ? gfs2_reconfigure+0xd80/0xd80
[ 210.177147][ T5149] ? sb_set_blocksize+0xa5/0xe0
[ 210.184923][ T5149] get_tree_bdev+0x3e6/0x610
[ 210.189707][ T5149] ? gfs2_reconfigure+0xd80/0xd80
[ 210.196000][ T5149] gfs2_get_tree+0x4d/0x1e0
[ 210.201092][ T5149] vfs_get_tree+0x88/0x270
[ 210.206506][ T5149] do_new_mount+0x247/0xa40
[ 210.212059][ T5149] __se_sys_mount+0x2e3/0x3d0
[ 210.218392][ T5149] ? __x64_sys_mount+0xc0/0xc0
[ 210.223576][ T5149] ? lockdep_hardirqs_on+0x94/0x140
[ 210.229235][ T5149] ? __x64_sys_mount+0x1c/0xc0
[ 210.234372][ T5149] do_syscall_64+0x4c/0xa0
[ 210.238888][ T5149] ? clear_bhb_loop+0x30/0x80
[ 210.245182][ T5149] ? clear_bhb_loop+0x30/0x80
[ 210.250850][ T5149] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 210.257048][ T5149] RIP: 0033:0x7f61f646b60a
[ 210.262005][ T5149] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 210.284425][ T5149] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 210.294073][ T5149] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 210.302853][ T5149] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 210.311040][ T5149] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 210.319657][ T5149] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 210.328427][ T5149] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 210.336855][ T5149]
[ 210.345610][ T5149] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 210.360777][ T5149] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 210.684637][ T5151] loop1: detected capacity change from 0 to 32768
[ 210.770560][ T5151] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 210.778611][ T5151] CPU: 0 PID: 5151 Comm: syz.1.138 Not tainted syzkaller #0
[ 210.786643][ T5151] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 210.797955][ T5151] Call Trace:
[ 210.802813][ T5151]
[ 210.806208][ T5151] dump_stack_lvl+0x188/0x250
[ 210.811083][ T5151] ? show_regs_print_info+0x20/0x20
[ 210.816536][ T5151] ? load_image+0x410/0x410
[ 210.821402][ T5151] sysfs_create_dir_ns+0x26a/0x290
[ 210.827491][ T5151] ? sysfs_warn_dup+0xa0/0xa0
[ 210.832543][ T5151] ? do_raw_spin_unlock+0x11d/0x230
[ 210.838465][ T5151] kobject_add_internal+0x5ba/0xcd0
[ 210.843889][ T5151] kobject_init_and_add+0x128/0x190
[ 210.849701][ T5151] ? lockdep_softirqs_off+0x430/0x430
[ 210.855177][ T5151] ? kobject_add+0x230/0x230
[ 210.859774][ T5151] ? __init_swait_queue_head+0xa4/0x140
[ 210.865615][ T5151] gfs2_sys_fs_add+0x24f/0x4b0
[ 210.871008][ T5151] ? gfs2_recover_set+0x240/0x240
[ 210.876235][ T5151] ? snprintf+0xe5/0x140
[ 210.880795][ T5151] ? __free_pages+0x95/0x1a0
[ 210.885592][ T5151] ? vscnprintf+0x80/0x80
[ 210.890386][ T5151] gfs2_fill_super+0x11ed/0x1ea0
[ 210.897441][ T5151] ? gfs2_reconfigure+0xd80/0xd80
[ 210.903157][ T5151] ? sb_set_blocksize+0xa5/0xe0
[ 210.908685][ T5151] get_tree_bdev+0x3e6/0x610
[ 210.914802][ T5151] ? gfs2_reconfigure+0xd80/0xd80
[ 210.920034][ T5151] gfs2_get_tree+0x4d/0x1e0
[ 210.924877][ T5151] vfs_get_tree+0x88/0x270
[ 210.929583][ T5151] do_new_mount+0x247/0xa40
[ 210.934178][ T5151] __se_sys_mount+0x2e3/0x3d0
[ 210.939050][ T5151] ? __x64_sys_mount+0xc0/0xc0
[ 210.944421][ T5151] ? lockdep_hardirqs_on+0x94/0x140
[ 210.950162][ T5151] ? __x64_sys_mount+0x1c/0xc0
[ 210.955475][ T5151] do_syscall_64+0x4c/0xa0
[ 210.960104][ T5151] ? clear_bhb_loop+0x30/0x80
[ 210.965072][ T5151] ? clear_bhb_loop+0x30/0x80
[ 210.970021][ T5151] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 210.977134][ T5151] RIP: 0033:0x7f61f646b60a
[ 210.983632][ T5151] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 211.006693][ T5151] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 211.015826][ T5151] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 211.025091][ T5151] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 211.034727][ T5151] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 211.044608][ T5151] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 211.055176][ T5151] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 211.071511][ T5151]
[ 211.080238][ T5151] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 211.102577][ T5151] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/09/25 16:56:52 executed programs: 124
[ 211.422409][ T5153] loop1: detected capacity change from 0 to 32768
[ 211.474986][ T5153] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 211.482657][ T5153] CPU: 0 PID: 5153 Comm: syz.1.139 Not tainted syzkaller #0
[ 211.490133][ T5153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 211.501157][ T5153] Call Trace:
[ 211.504725][ T5153]
[ 211.507672][ T5153] dump_stack_lvl+0x188/0x250
[ 211.512383][ T5153] ? show_regs_print_info+0x20/0x20
[ 211.517708][ T5153] ? load_image+0x410/0x410
[ 211.522777][ T5153] sysfs_create_dir_ns+0x26a/0x290
[ 211.528350][ T5153] ? sysfs_warn_dup+0xa0/0xa0
[ 211.533363][ T5153] ? do_raw_spin_unlock+0x11d/0x230
[ 211.538591][ T5153] kobject_add_internal+0x5ba/0xcd0
[ 211.544450][ T5153] kobject_init_and_add+0x128/0x190
[ 211.551092][ T5153] ? lockdep_softirqs_off+0x430/0x430
[ 211.557069][ T5153] ? kobject_add+0x230/0x230
[ 211.562731][ T5153] ? __init_swait_queue_head+0xa4/0x140
[ 211.569824][ T5153] gfs2_sys_fs_add+0x24f/0x4b0
[ 211.577355][ T5153] ? gfs2_recover_set+0x240/0x240
[ 211.584522][ T5153] ? snprintf+0xe5/0x140
[ 211.589403][ T5153] ? __free_pages+0x95/0x1a0
[ 211.594187][ T5153] ? vscnprintf+0x80/0x80
[ 211.599339][ T5153] gfs2_fill_super+0x11ed/0x1ea0
[ 211.604567][ T5153] ? gfs2_reconfigure+0xd80/0xd80
[ 211.610229][ T5153] ? sb_set_blocksize+0xa5/0xe0
[ 211.615482][ T5153] get_tree_bdev+0x3e6/0x610
[ 211.620092][ T5153] ? gfs2_reconfigure+0xd80/0xd80
[ 211.625511][ T5153] gfs2_get_tree+0x4d/0x1e0
[ 211.630773][ T5153] vfs_get_tree+0x88/0x270
[ 211.635559][ T5153] do_new_mount+0x247/0xa40
[ 211.640290][ T5153] __se_sys_mount+0x2e3/0x3d0
[ 211.645646][ T5153] ? __x64_sys_mount+0xc0/0xc0
[ 211.651256][ T5153] ? lockdep_hardirqs_on+0x94/0x140
[ 211.656719][ T5153] ? __x64_sys_mount+0x1c/0xc0
[ 211.662143][ T5153] do_syscall_64+0x4c/0xa0
[ 211.667405][ T5153] ? clear_bhb_loop+0x30/0x80
[ 211.672369][ T5153] ? clear_bhb_loop+0x30/0x80
[ 211.677690][ T5153] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 211.684613][ T5153] RIP: 0033:0x7f61f646b60a
[ 211.689165][ T5153] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 211.711161][ T5153] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 211.720169][ T5153] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 211.728874][ T5153] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 211.738011][ T5153] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 211.747424][ T5153] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 211.755564][ T5153] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 211.763908][ T5153]
[ 211.769097][ T5153] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 211.783577][ T5153] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 212.096791][ T5155] loop1: detected capacity change from 0 to 32768
[ 212.146158][ T5155] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 212.153749][ T5155] CPU: 1 PID: 5155 Comm: syz.1.140 Not tainted syzkaller #0
[ 212.161590][ T5155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 212.173165][ T5155] Call Trace:
[ 212.176883][ T5155]
[ 212.179842][ T5155] dump_stack_lvl+0x188/0x250
[ 212.185730][ T5155] ? show_regs_print_info+0x20/0x20
[ 212.190948][ T5155] ? load_image+0x410/0x410
[ 212.195869][ T5155] sysfs_create_dir_ns+0x26a/0x290
[ 212.201439][ T5155] ? sysfs_warn_dup+0xa0/0xa0
[ 212.206620][ T5155] ? do_raw_spin_unlock+0x11d/0x230
[ 212.212491][ T5155] kobject_add_internal+0x5ba/0xcd0
[ 212.218764][ T5155] kobject_init_and_add+0x128/0x190
[ 212.224581][ T5155] ? lockdep_softirqs_off+0x430/0x430
[ 212.231337][ T5155] ? kobject_add+0x230/0x230
[ 212.236816][ T5155] ? __init_swait_queue_head+0xa4/0x140
[ 212.243759][ T5155] gfs2_sys_fs_add+0x24f/0x4b0
[ 212.249304][ T5155] ? gfs2_recover_set+0x240/0x240
[ 212.254900][ T5155] ? snprintf+0xe5/0x140
[ 212.259560][ T5155] ? __free_pages+0x95/0x1a0
[ 212.265114][ T5155] ? vscnprintf+0x80/0x80
[ 212.269480][ T5155] gfs2_fill_super+0x11ed/0x1ea0
[ 212.275732][ T5155] ? gfs2_reconfigure+0xd80/0xd80
[ 212.281946][ T5155] ? sb_set_blocksize+0xa5/0xe0
[ 212.288516][ T5155] get_tree_bdev+0x3e6/0x610
[ 212.293522][ T5155] ? gfs2_reconfigure+0xd80/0xd80
[ 212.299029][ T5155] gfs2_get_tree+0x4d/0x1e0
[ 212.303563][ T5155] vfs_get_tree+0x88/0x270
[ 212.308400][ T5155] do_new_mount+0x247/0xa40
[ 212.313078][ T5155] __se_sys_mount+0x2e3/0x3d0
[ 212.318419][ T5155] ? __x64_sys_mount+0xc0/0xc0
[ 212.323209][ T5155] ? lockdep_hardirqs_on+0x94/0x140
[ 212.328801][ T5155] ? __x64_sys_mount+0x1c/0xc0
[ 212.333814][ T5155] do_syscall_64+0x4c/0xa0
[ 212.339072][ T5155] ? clear_bhb_loop+0x30/0x80
[ 212.344486][ T5155] ? clear_bhb_loop+0x30/0x80
[ 212.349915][ T5155] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 212.357260][ T5155] RIP: 0033:0x7f61f646b60a
[ 212.362123][ T5155] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 212.384101][ T5155] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 212.393226][ T5155] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 212.401646][ T5155] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 212.410178][ T5155] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 212.418402][ T5155] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 212.427048][ T5155] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 212.436787][ T5155]
[ 212.448604][ T5155] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 212.462233][ T5155] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 212.781891][ T5157] loop1: detected capacity change from 0 to 32768
[ 212.834915][ T5157] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 212.843152][ T5157] CPU: 1 PID: 5157 Comm: syz.1.141 Not tainted syzkaller #0
[ 212.850723][ T5157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 212.862310][ T5157] Call Trace:
[ 212.866392][ T5157]
[ 212.869516][ T5157] dump_stack_lvl+0x188/0x250
[ 212.875561][ T5157] ? show_regs_print_info+0x20/0x20
[ 212.881793][ T5157] ? load_image+0x410/0x410
[ 212.886682][ T5157] sysfs_create_dir_ns+0x26a/0x290
[ 212.893559][ T5157] ? sysfs_warn_dup+0xa0/0xa0
[ 212.900572][ T5157] ? do_raw_spin_unlock+0x11d/0x230
[ 212.906165][ T5157] kobject_add_internal+0x5ba/0xcd0
[ 212.911653][ T5157] kobject_init_and_add+0x128/0x190
[ 212.917064][ T5157] ? lockdep_softirqs_off+0x430/0x430
[ 212.922907][ T5157] ? kobject_add+0x230/0x230
[ 212.927702][ T5157] ? __init_swait_queue_head+0xa4/0x140
[ 212.933440][ T5157] gfs2_sys_fs_add+0x24f/0x4b0
[ 212.938471][ T5157] ? gfs2_recover_set+0x240/0x240
[ 212.943503][ T5157] ? snprintf+0xe5/0x140
[ 212.947910][ T5157] ? __free_pages+0x95/0x1a0
[ 212.953163][ T5157] ? vscnprintf+0x80/0x80
[ 212.957510][ T5157] gfs2_fill_super+0x11ed/0x1ea0
[ 212.962643][ T5157] ? gfs2_reconfigure+0xd80/0xd80
[ 212.968039][ T5157] ? sb_set_blocksize+0xa5/0xe0
[ 212.973667][ T5157] get_tree_bdev+0x3e6/0x610
[ 212.978854][ T5157] ? gfs2_reconfigure+0xd80/0xd80
[ 212.984870][ T5157] gfs2_get_tree+0x4d/0x1e0
[ 212.992834][ T5157] vfs_get_tree+0x88/0x270
[ 212.998086][ T5157] do_new_mount+0x247/0xa40
[ 213.003279][ T5157] __se_sys_mount+0x2e3/0x3d0
[ 213.009558][ T5157] ? __x64_sys_mount+0xc0/0xc0
[ 213.015162][ T5157] ? lockdep_hardirqs_on+0x94/0x140
[ 213.021231][ T5157] ? __x64_sys_mount+0x1c/0xc0
[ 213.026679][ T5157] do_syscall_64+0x4c/0xa0
[ 213.031372][ T5157] ? clear_bhb_loop+0x30/0x80
[ 213.037455][ T5157] ? clear_bhb_loop+0x30/0x80
[ 213.042454][ T5157] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 213.049227][ T5157] RIP: 0033:0x7f61f646b60a
[ 213.054101][ T5157] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 213.077244][ T5157] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 213.087807][ T5157] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 213.096717][ T5157] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 213.105614][ T5157] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 213.114130][ T5157] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 213.122277][ T5157] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 213.130922][ T5157]
[ 213.134455][ T5157] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 213.148745][ T5157] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 213.498127][ T5159] loop1: detected capacity change from 0 to 32768
[ 213.544151][ T5159] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 213.552496][ T5159] CPU: 0 PID: 5159 Comm: syz.1.142 Not tainted syzkaller #0
[ 213.560494][ T5159] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 213.573116][ T5159] Call Trace:
[ 213.576619][ T5159]
[ 213.580243][ T5159] dump_stack_lvl+0x188/0x250
[ 213.585750][ T5159] ? show_regs_print_info+0x20/0x20
[ 213.591169][ T5159] ? load_image+0x410/0x410
[ 213.596814][ T5159] sysfs_create_dir_ns+0x26a/0x290
[ 213.602958][ T5159] ? sysfs_warn_dup+0xa0/0xa0
[ 213.608700][ T5159] ? do_raw_spin_unlock+0x11d/0x230
[ 213.614739][ T5159] kobject_add_internal+0x5ba/0xcd0
[ 213.619966][ T5159] kobject_init_and_add+0x128/0x190
[ 213.629693][ T5159] ? lockdep_softirqs_off+0x430/0x430
[ 213.637145][ T5159] ? kobject_add+0x230/0x230
[ 213.643744][ T5159] ? __init_swait_queue_head+0xa4/0x140
[ 213.651560][ T5159] gfs2_sys_fs_add+0x24f/0x4b0
[ 213.657206][ T5159] ? gfs2_recover_set+0x240/0x240
[ 213.664523][ T5159] ? snprintf+0xe5/0x140
[ 213.672340][ T5159] ? __free_pages+0x95/0x1a0
[ 213.680576][ T5159] ? vscnprintf+0x80/0x80
[ 213.691090][ T5159] gfs2_fill_super+0x11ed/0x1ea0
[ 213.700837][ T5159] ? gfs2_reconfigure+0xd80/0xd80
[ 213.708750][ T5159] ? sb_set_blocksize+0xa5/0xe0
[ 213.715161][ T5159] get_tree_bdev+0x3e6/0x610
[ 213.721497][ T5159] ? gfs2_reconfigure+0xd80/0xd80
[ 213.729815][ T5159] gfs2_get_tree+0x4d/0x1e0
[ 213.741293][ T5159] vfs_get_tree+0x88/0x270
[ 213.748870][ T5159] do_new_mount+0x247/0xa40
[ 213.755336][ T5159] __se_sys_mount+0x2e3/0x3d0
[ 213.765801][ T5159] ? __x64_sys_mount+0xc0/0xc0
[ 213.774312][ T5159] ? lockdep_hardirqs_on+0x94/0x140
[ 213.784405][ T5159] ? __x64_sys_mount+0x1c/0xc0
[ 213.790766][ T5159] do_syscall_64+0x4c/0xa0
[ 213.799115][ T5159] ? clear_bhb_loop+0x30/0x80
[ 213.804600][ T5159] ? clear_bhb_loop+0x30/0x80
[ 213.811447][ T5159] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 213.819173][ T5159] RIP: 0033:0x7f61f646b60a
[ 213.825683][ T5159] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 213.855635][ T5159] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 213.866624][ T5159] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 213.878746][ T5159] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 213.887988][ T5159] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 213.897275][ T5159] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 213.907535][ T5159] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 213.917415][ T5159]
[ 213.922747][ T5159] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 213.938399][ T5159] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 214.271083][ T5161] loop1: detected capacity change from 0 to 32768
[ 214.359785][ T5161] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 214.372987][ T5161] CPU: 0 PID: 5161 Comm: syz.1.143 Not tainted syzkaller #0
[ 214.384666][ T5161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 214.397409][ T5161] Call Trace:
[ 214.401065][ T5161]
[ 214.404566][ T5161] dump_stack_lvl+0x188/0x250
[ 214.410130][ T5161] ? show_regs_print_info+0x20/0x20
[ 214.415874][ T5161] ? load_image+0x410/0x410
[ 214.420760][ T5161] sysfs_create_dir_ns+0x26a/0x290
[ 214.426343][ T5161] ? sysfs_warn_dup+0xa0/0xa0
[ 214.432593][ T5161] ? do_raw_spin_unlock+0x11d/0x230
[ 214.438366][ T5161] kobject_add_internal+0x5ba/0xcd0
[ 214.445412][ T5161] kobject_init_and_add+0x128/0x190
[ 214.451791][ T5161] ? lockdep_softirqs_off+0x430/0x430
[ 214.458826][ T5161] ? kobject_add+0x230/0x230
[ 214.463651][ T5161] ? __init_swait_queue_head+0xa4/0x140
[ 214.474273][ T5161] gfs2_sys_fs_add+0x24f/0x4b0
[ 214.482732][ T5161] ? gfs2_recover_set+0x240/0x240
[ 214.489503][ T5161] ? snprintf+0xe5/0x140
[ 214.494562][ T5161] ? __free_pages+0x95/0x1a0
[ 214.499733][ T5161] ? vscnprintf+0x80/0x80
[ 214.505306][ T5161] gfs2_fill_super+0x11ed/0x1ea0
[ 214.511033][ T5161] ? gfs2_reconfigure+0xd80/0xd80
[ 214.516606][ T5161] ? sb_set_blocksize+0xa5/0xe0
[ 214.524490][ T5161] get_tree_bdev+0x3e6/0x610
[ 214.530237][ T5161] ? gfs2_reconfigure+0xd80/0xd80
[ 214.536582][ T5161] gfs2_get_tree+0x4d/0x1e0
[ 214.543765][ T5161] vfs_get_tree+0x88/0x270
[ 214.548900][ T5161] do_new_mount+0x247/0xa40
[ 214.554888][ T5161] __se_sys_mount+0x2e3/0x3d0
[ 214.561654][ T5161] ? __x64_sys_mount+0xc0/0xc0
[ 214.569740][ T5161] ? lockdep_hardirqs_on+0x94/0x140
[ 214.580159][ T5161] ? __x64_sys_mount+0x1c/0xc0
[ 214.586455][ T5161] do_syscall_64+0x4c/0xa0
[ 214.591622][ T5161] ? clear_bhb_loop+0x30/0x80
[ 214.597164][ T5161] ? clear_bhb_loop+0x30/0x80
[ 214.603159][ T5161] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 214.610392][ T5161] RIP: 0033:0x7f61f646b60a
[ 214.615523][ T5161] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 214.639805][ T5161] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 214.650049][ T5161] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 214.665101][ T5161] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 214.678606][ T5161] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 214.689643][ T5161] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 214.698253][ T5161] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 214.708134][ T5161]
[ 214.714062][ T5161] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 214.731917][ T5161] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 215.071003][ T5163] loop1: detected capacity change from 0 to 32768
[ 215.138420][ T5163] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 215.146502][ T5163] CPU: 0 PID: 5163 Comm: syz.1.144 Not tainted syzkaller #0
[ 215.154259][ T5163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 215.164597][ T5163] Call Trace:
[ 215.168585][ T5163]
[ 215.171810][ T5163] dump_stack_lvl+0x188/0x250
[ 215.176593][ T5163] ? show_regs_print_info+0x20/0x20
[ 215.182185][ T5163] ? load_image+0x410/0x410
[ 215.186981][ T5163] sysfs_create_dir_ns+0x26a/0x290
[ 215.193394][ T5163] ? sysfs_warn_dup+0xa0/0xa0
[ 215.198495][ T5163] ? do_raw_spin_unlock+0x11d/0x230
[ 215.203996][ T5163] kobject_add_internal+0x5ba/0xcd0
[ 215.209483][ T5163] kobject_init_and_add+0x128/0x190
[ 215.215508][ T5163] ? lockdep_softirqs_off+0x430/0x430
[ 215.221664][ T5163] ? kobject_add+0x230/0x230
[ 215.226476][ T5163] ? __init_swait_queue_head+0xa4/0x140
[ 215.232823][ T5163] gfs2_sys_fs_add+0x24f/0x4b0
[ 215.237627][ T5163] ? gfs2_recover_set+0x240/0x240
[ 215.243598][ T5163] ? snprintf+0xe5/0x140
[ 215.248252][ T5163] ? __free_pages+0x95/0x1a0
[ 215.253643][ T5163] ? vscnprintf+0x80/0x80
[ 215.258177][ T5163] gfs2_fill_super+0x11ed/0x1ea0
[ 215.263926][ T5163] ? gfs2_reconfigure+0xd80/0xd80
[ 215.269147][ T5163] ? sb_set_blocksize+0xa5/0xe0
[ 215.274475][ T5163] get_tree_bdev+0x3e6/0x610
[ 215.279171][ T5163] ? gfs2_reconfigure+0xd80/0xd80
[ 215.284285][ T5163] gfs2_get_tree+0x4d/0x1e0
[ 215.289665][ T5163] vfs_get_tree+0x88/0x270
[ 215.294471][ T5163] do_new_mount+0x247/0xa40
[ 215.299223][ T5163] __se_sys_mount+0x2e3/0x3d0
[ 215.304087][ T5163] ? __x64_sys_mount+0xc0/0xc0
[ 215.309150][ T5163] ? lockdep_hardirqs_on+0x94/0x140
[ 215.315364][ T5163] ? __x64_sys_mount+0x1c/0xc0
[ 215.320594][ T5163] do_syscall_64+0x4c/0xa0
[ 215.325214][ T5163] ? clear_bhb_loop+0x30/0x80
[ 215.330290][ T5163] ? clear_bhb_loop+0x30/0x80
[ 215.335340][ T5163] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 215.341601][ T5163] RIP: 0033:0x7f61f646b60a
[ 215.347174][ T5163] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 215.369264][ T5163] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 215.379233][ T5163] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 215.388598][ T5163] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 215.398272][ T5163] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 215.407432][ T5163] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 215.416124][ T5163] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 215.424476][ T5163]
[ 215.429739][ T5163] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 215.444887][ T5163] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 215.779835][ T5165] loop1: detected capacity change from 0 to 32768
[ 215.860670][ T5165] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 215.872453][ T5165] CPU: 0 PID: 5165 Comm: syz.1.145 Not tainted syzkaller #0
[ 215.881000][ T5165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 215.892694][ T5165] Call Trace:
[ 215.897772][ T5165]
[ 215.900809][ T5165] dump_stack_lvl+0x188/0x250
[ 215.906464][ T5165] ? show_regs_print_info+0x20/0x20
[ 215.914176][ T5165] ? load_image+0x410/0x410
[ 215.919152][ T5165] sysfs_create_dir_ns+0x26a/0x290
[ 215.925362][ T5165] ? sysfs_warn_dup+0xa0/0xa0
[ 215.930510][ T5165] ? do_raw_spin_unlock+0x11d/0x230
[ 215.937022][ T5165] kobject_add_internal+0x5ba/0xcd0
[ 215.942794][ T5165] kobject_init_and_add+0x128/0x190
[ 215.949712][ T5165] ? lockdep_softirqs_off+0x430/0x430
[ 215.955677][ T5165] ? kobject_add+0x230/0x230
[ 215.960634][ T5165] ? __init_swait_queue_head+0xa4/0x140
[ 215.967188][ T5165] gfs2_sys_fs_add+0x24f/0x4b0
[ 215.974751][ T5165] ? gfs2_recover_set+0x240/0x240
[ 215.982671][ T5165] ? snprintf+0xe5/0x140
[ 215.988934][ T5165] ? __free_pages+0x95/0x1a0
[ 215.994479][ T5165] ? vscnprintf+0x80/0x80
[ 215.999339][ T5165] gfs2_fill_super+0x11ed/0x1ea0
[ 216.005507][ T5165] ? gfs2_reconfigure+0xd80/0xd80
[ 216.011521][ T5165] ? sb_set_blocksize+0xa5/0xe0
[ 216.017054][ T5165] get_tree_bdev+0x3e6/0x610
[ 216.021995][ T5165] ? gfs2_reconfigure+0xd80/0xd80
[ 216.028486][ T5165] gfs2_get_tree+0x4d/0x1e0
[ 216.036050][ T5165] vfs_get_tree+0x88/0x270
[ 216.042508][ T5165] do_new_mount+0x247/0xa40
[ 216.049329][ T5165] __se_sys_mount+0x2e3/0x3d0
[ 216.056852][ T5165] ? __x64_sys_mount+0xc0/0xc0
[ 216.063616][ T5165] ? lockdep_hardirqs_on+0x94/0x140
[ 216.071324][ T5165] ? __x64_sys_mount+0x1c/0xc0
[ 216.077879][ T5165] do_syscall_64+0x4c/0xa0
[ 216.084235][ T5165] ? clear_bhb_loop+0x30/0x80
[ 216.089425][ T5165] ? clear_bhb_loop+0x30/0x80
[ 216.095501][ T5165] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 216.104051][ T5165] RIP: 0033:0x7f61f646b60a
[ 216.109581][ T5165] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 216.131297][ T5165] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 216.140691][ T5165] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 216.149907][ T5165] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 216.159025][ T5165] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 216.168446][ T5165] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 216.176828][ T5165] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 216.185006][ T5165]
[ 216.190686][ T5165] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 216.208966][ T5165] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/09/25 16:56:57 executed programs: 131
[ 216.546037][ T5167] loop1: detected capacity change from 0 to 32768
[ 216.610160][ T5167] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 216.621581][ T5167] CPU: 0 PID: 5167 Comm: syz.1.146 Not tainted syzkaller #0
[ 216.633028][ T5167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 216.648348][ T5167] Call Trace:
[ 216.653144][ T5167]
[ 216.657556][ T5167] dump_stack_lvl+0x188/0x250
[ 216.663709][ T5167] ? show_regs_print_info+0x20/0x20
[ 216.672184][ T5167] ? load_image+0x410/0x410
[ 216.680565][ T5167] sysfs_create_dir_ns+0x26a/0x290
[ 216.690123][ T5167] ? sysfs_warn_dup+0xa0/0xa0
[ 216.696610][ T5167] ? do_raw_spin_unlock+0x11d/0x230
[ 216.705648][ T5167] kobject_add_internal+0x5ba/0xcd0
[ 216.714810][ T5167] kobject_init_and_add+0x128/0x190
[ 216.722668][ T5167] ? lockdep_softirqs_off+0x430/0x430
[ 216.734878][ T5167] ? kobject_add+0x230/0x230
[ 216.741527][ T5167] ? __init_swait_queue_head+0xa4/0x140
[ 216.749242][ T5167] gfs2_sys_fs_add+0x24f/0x4b0
[ 216.755624][ T5167] ? gfs2_recover_set+0x240/0x240
[ 216.762387][ T5167] ? snprintf+0xe5/0x140
[ 216.770258][ T5167] ? __free_pages+0x95/0x1a0
[ 216.776070][ T5167] ? vscnprintf+0x80/0x80
[ 216.782906][ T5167] gfs2_fill_super+0x11ed/0x1ea0
[ 216.790840][ T5167] ? gfs2_reconfigure+0xd80/0xd80
[ 216.799312][ T5167] ? sb_set_blocksize+0xa5/0xe0
[ 216.806505][ T5167] get_tree_bdev+0x3e6/0x610
[ 216.812441][ T5167] ? gfs2_reconfigure+0xd80/0xd80
[ 216.817812][ T5167] gfs2_get_tree+0x4d/0x1e0
[ 216.823858][ T5167] vfs_get_tree+0x88/0x270
[ 216.829356][ T5167] do_new_mount+0x247/0xa40
[ 216.836295][ T5167] __se_sys_mount+0x2e3/0x3d0
[ 216.844723][ T5167] ? __x64_sys_mount+0xc0/0xc0
[ 216.850029][ T5167] ? lockdep_hardirqs_on+0x94/0x140
[ 216.855723][ T5167] ? __x64_sys_mount+0x1c/0xc0
[ 216.861435][ T5167] do_syscall_64+0x4c/0xa0
[ 216.866673][ T5167] ? clear_bhb_loop+0x30/0x80
[ 216.872205][ T5167] ? clear_bhb_loop+0x30/0x80
[ 216.877887][ T5167] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 216.885326][ T5167] RIP: 0033:0x7f61f646b60a
[ 216.890583][ T5167] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 216.913666][ T5167] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 216.923385][ T5167] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 216.934737][ T5167] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 216.947273][ T5167] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 216.959406][ T5167] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 216.968304][ T5167] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 216.978072][ T5167]
[ 216.985181][ T5167] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 217.001438][ T5167] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 217.363586][ T5169] loop1: detected capacity change from 0 to 32768
[ 217.435339][ T5169] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 217.444092][ T5169] CPU: 1 PID: 5169 Comm: syz.1.147 Not tainted syzkaller #0
[ 217.452494][ T5169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 217.463450][ T5169] Call Trace:
[ 217.467011][ T5169]
[ 217.470161][ T5169] dump_stack_lvl+0x188/0x250
[ 217.475574][ T5169] ? show_regs_print_info+0x20/0x20
[ 217.480972][ T5169] ? load_image+0x410/0x410
[ 217.485792][ T5169] sysfs_create_dir_ns+0x26a/0x290
[ 217.492466][ T5169] ? sysfs_warn_dup+0xa0/0xa0
[ 217.497371][ T5169] ? do_raw_spin_unlock+0x11d/0x230
[ 217.503479][ T5169] kobject_add_internal+0x5ba/0xcd0
[ 217.509535][ T5169] kobject_init_and_add+0x128/0x190
[ 217.515917][ T5169] ? lockdep_softirqs_off+0x430/0x430
[ 217.521982][ T5169] ? kobject_add+0x230/0x230
[ 217.527385][ T5169] ? __init_swait_queue_head+0xa4/0x140
[ 217.534267][ T5169] gfs2_sys_fs_add+0x24f/0x4b0
[ 217.539876][ T5169] ? gfs2_recover_set+0x240/0x240
[ 217.545587][ T5169] ? snprintf+0xe5/0x140
[ 217.549974][ T5169] ? __free_pages+0x95/0x1a0
[ 217.556206][ T5169] ? vscnprintf+0x80/0x80
[ 217.561346][ T5169] gfs2_fill_super+0x11ed/0x1ea0
[ 217.567471][ T5169] ? gfs2_reconfigure+0xd80/0xd80
[ 217.577933][ T5169] ? sb_set_blocksize+0xa5/0xe0
[ 217.589323][ T5169] get_tree_bdev+0x3e6/0x610
[ 217.597081][ T5169] ? gfs2_reconfigure+0xd80/0xd80
[ 217.603767][ T5169] gfs2_get_tree+0x4d/0x1e0
[ 217.608549][ T5169] vfs_get_tree+0x88/0x270
[ 217.614836][ T5169] do_new_mount+0x247/0xa40
[ 217.619887][ T5169] __se_sys_mount+0x2e3/0x3d0
[ 217.626326][ T5169] ? __x64_sys_mount+0xc0/0xc0
[ 217.631595][ T5169] ? lockdep_hardirqs_on+0x94/0x140
[ 217.637875][ T5169] ? __x64_sys_mount+0x1c/0xc0
[ 217.644406][ T5169] do_syscall_64+0x4c/0xa0
[ 217.650938][ T5169] ? clear_bhb_loop+0x30/0x80
[ 217.655933][ T5169] ? clear_bhb_loop+0x30/0x80
[ 217.661152][ T5169] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 217.667928][ T5169] RIP: 0033:0x7f61f646b60a
[ 217.673431][ T5169] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 217.697386][ T5169] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 217.706986][ T5169] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 217.715239][ T5169] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 217.723554][ T5169] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 217.732279][ T5169] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 217.741459][ T5169] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 217.751099][ T5169]
[ 217.761792][ T5169] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 217.776782][ T5169] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 218.098829][ T5171] loop1: detected capacity change from 0 to 32768
[ 218.157258][ T5171] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 218.164975][ T5171] CPU: 0 PID: 5171 Comm: syz.1.148 Not tainted syzkaller #0
[ 218.172581][ T5171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 218.183610][ T5171] Call Trace:
[ 218.187373][ T5171]
[ 218.191885][ T5171] dump_stack_lvl+0x188/0x250
[ 218.197807][ T5171] ? show_regs_print_info+0x20/0x20
[ 218.204202][ T5171] ? load_image+0x410/0x410
[ 218.209531][ T5171] sysfs_create_dir_ns+0x26a/0x290
[ 218.216141][ T5171] ? sysfs_warn_dup+0xa0/0xa0
[ 218.221274][ T5171] ? do_raw_spin_unlock+0x11d/0x230
[ 218.227132][ T5171] kobject_add_internal+0x5ba/0xcd0
[ 218.232836][ T5171] kobject_init_and_add+0x128/0x190
[ 218.238848][ T5171] ? lockdep_softirqs_off+0x430/0x430
[ 218.244746][ T5171] ? kobject_add+0x230/0x230
[ 218.251297][ T5171] ? __init_swait_queue_head+0xa4/0x140
[ 218.257324][ T5171] gfs2_sys_fs_add+0x24f/0x4b0
[ 218.262222][ T5171] ? gfs2_recover_set+0x240/0x240
[ 218.267843][ T5171] ? snprintf+0xe5/0x140
[ 218.272543][ T5171] ? __free_pages+0x95/0x1a0
[ 218.278200][ T5171] ? vscnprintf+0x80/0x80
[ 218.283007][ T5171] gfs2_fill_super+0x11ed/0x1ea0
[ 218.289156][ T5171] ? gfs2_reconfigure+0xd80/0xd80
[ 218.296529][ T5171] ? sb_set_blocksize+0xa5/0xe0
[ 218.303413][ T5171] get_tree_bdev+0x3e6/0x610
[ 218.309373][ T5171] ? gfs2_reconfigure+0xd80/0xd80
[ 218.314878][ T5171] gfs2_get_tree+0x4d/0x1e0
[ 218.321055][ T5171] vfs_get_tree+0x88/0x270
[ 218.327116][ T5171] do_new_mount+0x247/0xa40
[ 218.333882][ T5171] __se_sys_mount+0x2e3/0x3d0
[ 218.341097][ T5171] ? __x64_sys_mount+0xc0/0xc0
[ 218.348002][ T5171] ? lockdep_hardirqs_on+0x94/0x140
[ 218.354312][ T5171] ? __x64_sys_mount+0x1c/0xc0
[ 218.360576][ T5171] do_syscall_64+0x4c/0xa0
[ 218.367130][ T5171] ? clear_bhb_loop+0x30/0x80
[ 218.372603][ T5171] ? clear_bhb_loop+0x30/0x80
[ 218.377397][ T5171] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 218.384182][ T5171] RIP: 0033:0x7f61f646b60a
[ 218.388615][ T5171] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 218.409917][ T5171] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 218.419132][ T5171] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 218.431030][ T5171] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 218.440283][ T5171] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 218.449579][ T5171] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 218.458065][ T5171] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 218.466571][ T5171]
[ 218.472468][ T5171] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 218.487775][ T5171] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 218.824978][ T5173] loop1: detected capacity change from 0 to 32768
[ 218.919821][ T5173] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 218.929372][ T5173] CPU: 1 PID: 5173 Comm: syz.1.149 Not tainted syzkaller #0
[ 218.937506][ T5173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 218.949179][ T5173] Call Trace:
[ 218.952662][ T5173]
[ 218.955794][ T5173] dump_stack_lvl+0x188/0x250
[ 218.960931][ T5173] ? show_regs_print_info+0x20/0x20
[ 218.966622][ T5173] ? load_image+0x410/0x410
[ 218.974279][ T5173] sysfs_create_dir_ns+0x26a/0x290
[ 218.979941][ T5173] ? sysfs_warn_dup+0xa0/0xa0
[ 218.984832][ T5173] ? do_raw_spin_unlock+0x11d/0x230
[ 218.990408][ T5173] kobject_add_internal+0x5ba/0xcd0
[ 218.996335][ T5173] kobject_init_and_add+0x128/0x190
[ 219.002573][ T5173] ? lockdep_softirqs_off+0x430/0x430
[ 219.009436][ T5173] ? kobject_add+0x230/0x230
[ 219.014320][ T5173] ? __init_swait_queue_head+0xa4/0x140
[ 219.020524][ T5173] gfs2_sys_fs_add+0x24f/0x4b0
[ 219.027148][ T5173] ? gfs2_recover_set+0x240/0x240
[ 219.033108][ T5173] ? snprintf+0xe5/0x140
[ 219.039516][ T5173] ? __free_pages+0x95/0x1a0
[ 219.046509][ T5173] ? vscnprintf+0x80/0x80
[ 219.051989][ T5173] gfs2_fill_super+0x11ed/0x1ea0
[ 219.058025][ T5173] ? gfs2_reconfigure+0xd80/0xd80
[ 219.064547][ T5173] ? sb_set_blocksize+0xa5/0xe0
[ 219.071180][ T5173] get_tree_bdev+0x3e6/0x610
[ 219.077537][ T5173] ? gfs2_reconfigure+0xd80/0xd80
[ 219.083724][ T5173] gfs2_get_tree+0x4d/0x1e0
[ 219.088594][ T5173] vfs_get_tree+0x88/0x270
[ 219.093456][ T5173] do_new_mount+0x247/0xa40
[ 219.099152][ T5173] __se_sys_mount+0x2e3/0x3d0
[ 219.104556][ T5173] ? __x64_sys_mount+0xc0/0xc0
[ 219.110240][ T5173] ? lockdep_hardirqs_on+0x94/0x140
[ 219.115783][ T5173] ? __x64_sys_mount+0x1c/0xc0
[ 219.120847][ T5173] do_syscall_64+0x4c/0xa0
[ 219.126490][ T5173] ? clear_bhb_loop+0x30/0x80
[ 219.132237][ T5173] ? clear_bhb_loop+0x30/0x80
[ 219.137778][ T5173] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 219.143891][ T5173] RIP: 0033:0x7f61f646b60a
[ 219.148475][ T5173] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 219.169220][ T5173] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 219.177812][ T5173] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 219.186323][ T5173] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 219.196687][ T5173] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 219.208780][ T5173] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 219.219173][ T5173] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 219.229957][ T5173]
[ 219.234695][ T5173] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 219.251097][ T5173] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 219.564437][ T5175] loop1: detected capacity change from 0 to 32768
[ 219.615166][ T5175] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 219.623612][ T5175] CPU: 1 PID: 5175 Comm: syz.1.150 Not tainted syzkaller #0
[ 219.632189][ T5175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 219.643167][ T5175] Call Trace:
[ 219.646708][ T5175]
[ 219.649660][ T5175] dump_stack_lvl+0x188/0x250
[ 219.655312][ T5175] ? show_regs_print_info+0x20/0x20
[ 219.661016][ T5175] ? load_image+0x410/0x410
[ 219.666081][ T5175] sysfs_create_dir_ns+0x26a/0x290
[ 219.671588][ T5175] ? sysfs_warn_dup+0xa0/0xa0
[ 219.676288][ T5175] ? do_raw_spin_unlock+0x11d/0x230
[ 219.681606][ T5175] kobject_add_internal+0x5ba/0xcd0
[ 219.687363][ T5175] kobject_init_and_add+0x128/0x190
[ 219.693049][ T5175] ? lockdep_softirqs_off+0x430/0x430
[ 219.699281][ T5175] ? kobject_add+0x230/0x230
[ 219.704426][ T5175] ? __init_swait_queue_head+0xa4/0x140
[ 219.710237][ T5175] gfs2_sys_fs_add+0x24f/0x4b0
[ 219.715103][ T5175] ? gfs2_recover_set+0x240/0x240
[ 219.720411][ T5175] ? snprintf+0xe5/0x140
[ 219.724743][ T5175] ? __free_pages+0x95/0x1a0
[ 219.730257][ T5175] ? vscnprintf+0x80/0x80
[ 219.735405][ T5175] gfs2_fill_super+0x11ed/0x1ea0
[ 219.740795][ T5175] ? gfs2_reconfigure+0xd80/0xd80
[ 219.746186][ T5175] ? sb_set_blocksize+0xa5/0xe0
[ 219.753490][ T5175] get_tree_bdev+0x3e6/0x610
[ 219.759344][ T5175] ? gfs2_reconfigure+0xd80/0xd80
[ 219.766540][ T5175] gfs2_get_tree+0x4d/0x1e0
[ 219.771540][ T5175] vfs_get_tree+0x88/0x270
[ 219.776430][ T5175] do_new_mount+0x247/0xa40
[ 219.781318][ T5175] __se_sys_mount+0x2e3/0x3d0
[ 219.786353][ T5175] ? __x64_sys_mount+0xc0/0xc0
[ 219.792198][ T5175] ? lockdep_hardirqs_on+0x94/0x140
[ 219.797633][ T5175] ? __x64_sys_mount+0x1c/0xc0
[ 219.802904][ T5175] do_syscall_64+0x4c/0xa0
[ 219.807678][ T5175] ? clear_bhb_loop+0x30/0x80
[ 219.812964][ T5175] ? clear_bhb_loop+0x30/0x80
[ 219.817809][ T5175] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 219.823965][ T5175] RIP: 0033:0x7f61f646b60a
[ 219.828826][ T5175] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 219.852098][ T5175] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 219.862675][ T5175] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 219.872011][ T5175] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 219.882905][ T5175] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 219.892725][ T5175] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 219.902261][ T5175] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 219.911292][ T5175]
[ 219.921376][ T5175] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 219.935782][ T5175] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 220.239009][ T5177] loop1: detected capacity change from 0 to 32768
[ 220.297100][ T5177] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 220.305092][ T5177] CPU: 0 PID: 5177 Comm: syz.1.151 Not tainted syzkaller #0
[ 220.312797][ T5177] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 220.324030][ T5177] Call Trace:
[ 220.327738][ T5177]
[ 220.330690][ T5177] dump_stack_lvl+0x188/0x250
[ 220.335661][ T5177] ? show_regs_print_info+0x20/0x20
[ 220.342035][ T5177] ? load_image+0x410/0x410
[ 220.347090][ T5177] sysfs_create_dir_ns+0x26a/0x290
[ 220.352483][ T5177] ? sysfs_warn_dup+0xa0/0xa0
[ 220.357364][ T5177] ? do_raw_spin_unlock+0x11d/0x230
[ 220.363208][ T5177] kobject_add_internal+0x5ba/0xcd0
[ 220.368605][ T5177] kobject_init_and_add+0x128/0x190
[ 220.374324][ T5177] ? lockdep_softirqs_off+0x430/0x430
[ 220.380256][ T5177] ? kobject_add+0x230/0x230
[ 220.385206][ T5177] ? __init_swait_queue_head+0xa4/0x140
[ 220.392673][ T5177] gfs2_sys_fs_add+0x24f/0x4b0
[ 220.397991][ T5177] ? gfs2_recover_set+0x240/0x240
[ 220.403448][ T5177] ? snprintf+0xe5/0x140
[ 220.407832][ T5177] ? __free_pages+0x95/0x1a0
[ 220.412692][ T5177] ? vscnprintf+0x80/0x80
[ 220.417034][ T5177] gfs2_fill_super+0x11ed/0x1ea0
[ 220.422147][ T5177] ? gfs2_reconfigure+0xd80/0xd80
[ 220.427278][ T5177] ? sb_set_blocksize+0xa5/0xe0
[ 220.432510][ T5177] get_tree_bdev+0x3e6/0x610
[ 220.437298][ T5177] ? gfs2_reconfigure+0xd80/0xd80
[ 220.442574][ T5177] gfs2_get_tree+0x4d/0x1e0
[ 220.447197][ T5177] vfs_get_tree+0x88/0x270
[ 220.451809][ T5177] do_new_mount+0x247/0xa40
[ 220.456809][ T5177] __se_sys_mount+0x2e3/0x3d0
[ 220.462041][ T5177] ? __x64_sys_mount+0xc0/0xc0
[ 220.466915][ T5177] ? lockdep_hardirqs_on+0x94/0x140
[ 220.473297][ T5177] ? __x64_sys_mount+0x1c/0xc0
[ 220.478158][ T5177] do_syscall_64+0x4c/0xa0
[ 220.482977][ T5177] ? clear_bhb_loop+0x30/0x80
[ 220.487912][ T5177] ? clear_bhb_loop+0x30/0x80
[ 220.492731][ T5177] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 220.498662][ T5177] RIP: 0033:0x7f61f646b60a
[ 220.503196][ T5177] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 220.524725][ T5177] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 220.534841][ T5177] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 220.543617][ T5177] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 220.553101][ T5177] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 220.561393][ T5177] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 220.570532][ T5177] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 220.580409][ T5177]
[ 220.586733][ T5177] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 220.602642][ T5177] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 220.925212][ T5179] loop1: detected capacity change from 0 to 32768
[ 220.979587][ T5179] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 220.987676][ T5179] CPU: 0 PID: 5179 Comm: syz.1.152 Not tainted syzkaller #0
[ 220.995298][ T5179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 221.006167][ T5179] Call Trace:
[ 221.009457][ T5179]
[ 221.012523][ T5179] dump_stack_lvl+0x188/0x250
[ 221.017471][ T5179] ? show_regs_print_info+0x20/0x20
[ 221.023570][ T5179] ? load_image+0x410/0x410
[ 221.028461][ T5179] sysfs_create_dir_ns+0x26a/0x290
[ 221.033615][ T5179] ? sysfs_warn_dup+0xa0/0xa0
[ 221.038484][ T5179] ? do_raw_spin_unlock+0x11d/0x230
[ 221.043801][ T5179] kobject_add_internal+0x5ba/0xcd0
[ 221.049110][ T5179] kobject_init_and_add+0x128/0x190
[ 221.054548][ T5179] ? lockdep_softirqs_off+0x430/0x430
[ 221.060031][ T5179] ? kobject_add+0x230/0x230
[ 221.065908][ T5179] ? __init_swait_queue_head+0xa4/0x140
[ 221.071565][ T5179] gfs2_sys_fs_add+0x24f/0x4b0
[ 221.076504][ T5179] ? gfs2_recover_set+0x240/0x240
[ 221.081795][ T5179] ? snprintf+0xe5/0x140
[ 221.086260][ T5179] ? __free_pages+0x95/0x1a0
[ 221.091160][ T5179] ? vscnprintf+0x80/0x80
[ 221.095667][ T5179] gfs2_fill_super+0x11ed/0x1ea0
[ 221.100913][ T5179] ? gfs2_reconfigure+0xd80/0xd80
[ 221.106334][ T5179] ? sb_set_blocksize+0xa5/0xe0
[ 221.114555][ T5179] get_tree_bdev+0x3e6/0x610
[ 221.120097][ T5179] ? gfs2_reconfigure+0xd80/0xd80
[ 221.125788][ T5179] gfs2_get_tree+0x4d/0x1e0
[ 221.131052][ T5179] vfs_get_tree+0x88/0x270
[ 221.135987][ T5179] do_new_mount+0x247/0xa40
[ 221.141676][ T5179] __se_sys_mount+0x2e3/0x3d0
[ 221.146632][ T5179] ? __x64_sys_mount+0xc0/0xc0
[ 221.151488][ T5179] ? lockdep_hardirqs_on+0x94/0x140
[ 221.156688][ T5179] ? __x64_sys_mount+0x1c/0xc0
[ 221.161461][ T5179] do_syscall_64+0x4c/0xa0
[ 221.166191][ T5179] ? clear_bhb_loop+0x30/0x80
[ 221.171517][ T5179] ? clear_bhb_loop+0x30/0x80
[ 221.176492][ T5179] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 221.182777][ T5179] RIP: 0033:0x7f61f646b60a
[ 221.188011][ T5179] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 221.210363][ T5179] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 221.219542][ T5179] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 221.228240][ T5179] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 221.236987][ T5179] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 221.245480][ T5179] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 221.253661][ T5179] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 221.261641][ T5179]
[ 221.267470][ T5179] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 221.281298][ T5179] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/09/25 16:57:02 executed programs: 138
[ 221.630021][ T5181] loop1: detected capacity change from 0 to 32768
[ 221.702312][ T5181] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 221.714677][ T5181] CPU: 1 PID: 5181 Comm: syz.1.153 Not tainted syzkaller #0
[ 221.722621][ T5181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 221.732956][ T5181] Call Trace:
[ 221.736290][ T5181]
[ 221.739608][ T5181] dump_stack_lvl+0x188/0x250
[ 221.744584][ T5181] ? show_regs_print_info+0x20/0x20
[ 221.750238][ T5181] ? load_image+0x410/0x410
[ 221.754850][ T5181] sysfs_create_dir_ns+0x26a/0x290
[ 221.760150][ T5181] ? sysfs_warn_dup+0xa0/0xa0
[ 221.764850][ T5181] ? do_raw_spin_unlock+0x11d/0x230
[ 221.770077][ T5181] kobject_add_internal+0x5ba/0xcd0
[ 221.775766][ T5181] kobject_init_and_add+0x128/0x190
[ 221.781178][ T5181] ? lockdep_softirqs_off+0x430/0x430
[ 221.786681][ T5181] ? kobject_add+0x230/0x230
[ 221.792603][ T5181] ? __init_swait_queue_head+0xa4/0x140
[ 221.798599][ T5181] gfs2_sys_fs_add+0x24f/0x4b0
[ 221.803916][ T5181] ? gfs2_recover_set+0x240/0x240
[ 221.809779][ T5181] ? snprintf+0xe5/0x140
[ 221.814333][ T5181] ? __free_pages+0x95/0x1a0
[ 221.820165][ T5181] ? vscnprintf+0x80/0x80
[ 221.825575][ T5181] gfs2_fill_super+0x11ed/0x1ea0
[ 221.830999][ T5181] ? gfs2_reconfigure+0xd80/0xd80
[ 221.836376][ T5181] ? sb_set_blocksize+0xa5/0xe0
[ 221.841900][ T5181] get_tree_bdev+0x3e6/0x610
[ 221.846769][ T5181] ? gfs2_reconfigure+0xd80/0xd80
[ 221.852214][ T5181] gfs2_get_tree+0x4d/0x1e0
[ 221.857350][ T5181] vfs_get_tree+0x88/0x270
[ 221.862574][ T5181] do_new_mount+0x247/0xa40
[ 221.867183][ T5181] __se_sys_mount+0x2e3/0x3d0
[ 221.872546][ T5181] ? __x64_sys_mount+0xc0/0xc0
[ 221.877824][ T5181] ? lockdep_hardirqs_on+0x94/0x140
[ 221.883128][ T5181] ? __x64_sys_mount+0x1c/0xc0
[ 221.888117][ T5181] do_syscall_64+0x4c/0xa0
[ 221.893372][ T5181] ? clear_bhb_loop+0x30/0x80
[ 221.898549][ T5181] ? clear_bhb_loop+0x30/0x80
[ 221.903595][ T5181] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 221.909927][ T5181] RIP: 0033:0x7f61f646b60a
[ 221.914604][ T5181] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 221.934415][ T5181] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 221.943382][ T5181] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 221.951747][ T5181] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 221.960783][ T5181] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 221.968938][ T5181] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 221.977995][ T5181] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 221.986356][ T5181]
[ 221.990542][ T5181] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 222.004525][ T5181] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 222.196064][ T4250] Bluetooth: hci0: command 0x0406 tx timeout
[ 222.313681][ T5183] loop1: detected capacity change from 0 to 32768
[ 222.356560][ T5183] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 222.365558][ T5183] CPU: 0 PID: 5183 Comm: syz.1.154 Not tainted syzkaller #0
[ 222.373665][ T5183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 222.385311][ T5183] Call Trace:
[ 222.388696][ T5183]
[ 222.391638][ T5183] dump_stack_lvl+0x188/0x250
[ 222.396961][ T5183] ? show_regs_print_info+0x20/0x20
[ 222.402685][ T5183] ? load_image+0x410/0x410
[ 222.407514][ T5183] sysfs_create_dir_ns+0x26a/0x290
[ 222.413008][ T5183] ? sysfs_warn_dup+0xa0/0xa0
[ 222.417858][ T5183] ? do_raw_spin_unlock+0x11d/0x230
[ 222.423520][ T5183] kobject_add_internal+0x5ba/0xcd0
[ 222.429000][ T5183] kobject_init_and_add+0x128/0x190
[ 222.434499][ T5183] ? lockdep_softirqs_off+0x430/0x430
[ 222.440065][ T5183] ? kobject_add+0x230/0x230
[ 222.444971][ T5183] ? __init_swait_queue_head+0xa4/0x140
[ 222.451207][ T5183] gfs2_sys_fs_add+0x24f/0x4b0
[ 222.456398][ T5183] ? gfs2_recover_set+0x240/0x240
[ 222.462151][ T5183] ? snprintf+0xe5/0x140
[ 222.466588][ T5183] ? __free_pages+0x95/0x1a0
[ 222.472520][ T5183] ? vscnprintf+0x80/0x80
[ 222.477936][ T5183] gfs2_fill_super+0x11ed/0x1ea0
[ 222.483860][ T5183] ? gfs2_reconfigure+0xd80/0xd80
[ 222.489672][ T5183] ? sb_set_blocksize+0xa5/0xe0
[ 222.495247][ T5183] get_tree_bdev+0x3e6/0x610
[ 222.500060][ T5183] ? gfs2_reconfigure+0xd80/0xd80
[ 222.505179][ T5183] gfs2_get_tree+0x4d/0x1e0
[ 222.510810][ T5183] vfs_get_tree+0x88/0x270
[ 222.515554][ T5183] do_new_mount+0x247/0xa40
[ 222.520901][ T5183] __se_sys_mount+0x2e3/0x3d0
[ 222.526111][ T5183] ? __x64_sys_mount+0xc0/0xc0
[ 222.531055][ T5183] ? lockdep_hardirqs_on+0x94/0x140
[ 222.536741][ T5183] ? __x64_sys_mount+0x1c/0xc0
[ 222.542465][ T5183] do_syscall_64+0x4c/0xa0
[ 222.547286][ T5183] ? clear_bhb_loop+0x30/0x80
[ 222.552273][ T5183] ? clear_bhb_loop+0x30/0x80
[ 222.557128][ T5183] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 222.563883][ T5183] RIP: 0033:0x7f61f646b60a
[ 222.569004][ T5183] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 222.591272][ T5183] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 222.602081][ T5183] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 222.610516][ T5183] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 222.619203][ T5183] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 222.629389][ T5183] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 222.638624][ T5183] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 222.647630][ T5183]
[ 222.653222][ T5183] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 222.667540][ T5183] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 222.992567][ T5185] loop1: detected capacity change from 0 to 32768
[ 223.067288][ T5185] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 223.079967][ T5185] CPU: 0 PID: 5185 Comm: syz.1.155 Not tainted syzkaller #0
[ 223.087714][ T5185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 223.098878][ T5185] Call Trace:
[ 223.102207][ T5185]
[ 223.105790][ T5185] dump_stack_lvl+0x188/0x250
[ 223.111173][ T5185] ? show_regs_print_info+0x20/0x20
[ 223.116659][ T5185] ? load_image+0x410/0x410
[ 223.121880][ T5185] sysfs_create_dir_ns+0x26a/0x290
[ 223.127985][ T5185] ? sysfs_warn_dup+0xa0/0xa0
[ 223.133040][ T5185] ? do_raw_spin_unlock+0x11d/0x230
[ 223.138530][ T5185] kobject_add_internal+0x5ba/0xcd0
[ 223.143934][ T5185] kobject_init_and_add+0x128/0x190
[ 223.149299][ T5185] ? lockdep_softirqs_off+0x430/0x430
[ 223.155521][ T5185] ? kobject_add+0x230/0x230
[ 223.160602][ T5185] ? __init_swait_queue_head+0xa4/0x140
[ 223.166276][ T5185] gfs2_sys_fs_add+0x24f/0x4b0
[ 223.171130][ T5185] ? gfs2_recover_set+0x240/0x240
[ 223.176156][ T5185] ? snprintf+0xe5/0x140
[ 223.180444][ T5185] ? __free_pages+0x95/0x1a0
[ 223.185454][ T5185] ? vscnprintf+0x80/0x80
[ 223.190146][ T5185] gfs2_fill_super+0x11ed/0x1ea0
[ 223.195536][ T5185] ? gfs2_reconfigure+0xd80/0xd80
[ 223.201039][ T5185] ? sb_set_blocksize+0xa5/0xe0
[ 223.207417][ T5185] get_tree_bdev+0x3e6/0x610
[ 223.212809][ T5185] ? gfs2_reconfigure+0xd80/0xd80
[ 223.218178][ T5185] gfs2_get_tree+0x4d/0x1e0
[ 223.223284][ T5185] vfs_get_tree+0x88/0x270
[ 223.227751][ T5185] do_new_mount+0x247/0xa40
[ 223.232918][ T5185] __se_sys_mount+0x2e3/0x3d0
[ 223.238057][ T5185] ? __x64_sys_mount+0xc0/0xc0
[ 223.242939][ T5185] ? lockdep_hardirqs_on+0x94/0x140
[ 223.248758][ T5185] ? __x64_sys_mount+0x1c/0xc0
[ 223.253761][ T5185] do_syscall_64+0x4c/0xa0
[ 223.258532][ T5185] ? clear_bhb_loop+0x30/0x80
[ 223.263577][ T5185] ? clear_bhb_loop+0x30/0x80
[ 223.268947][ T5185] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 223.275037][ T5185] RIP: 0033:0x7f61f646b60a
[ 223.279715][ T5185] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 223.300618][ T5185] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 223.310572][ T5185] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 223.321613][ T5185] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 223.330877][ T5185] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 223.340057][ T5185] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 223.348456][ T5185] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 223.357547][ T5185]
[ 223.363411][ T5185] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 223.377635][ T5185] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 223.702228][ T5187] loop1: detected capacity change from 0 to 32768
[ 223.809242][ T5187] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 223.821166][ T5187] CPU: 0 PID: 5187 Comm: syz.1.156 Not tainted syzkaller #0
[ 223.829821][ T5187] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 223.840189][ T5187] Call Trace:
[ 223.843824][ T5187]
[ 223.846771][ T5187] dump_stack_lvl+0x188/0x250
[ 223.851648][ T5187] ? show_regs_print_info+0x20/0x20
[ 223.857532][ T5187] ? load_image+0x410/0x410
[ 223.863123][ T5187] sysfs_create_dir_ns+0x26a/0x290
[ 223.868359][ T5187] ? sysfs_warn_dup+0xa0/0xa0
[ 223.874722][ T5187] ? do_raw_spin_unlock+0x11d/0x230
[ 223.880211][ T5187] kobject_add_internal+0x5ba/0xcd0
[ 223.886270][ T5187] kobject_init_and_add+0x128/0x190
[ 223.892647][ T5187] ? lockdep_softirqs_off+0x430/0x430
[ 223.899085][ T5187] ? kobject_add+0x230/0x230
[ 223.904041][ T5187] ? __init_swait_queue_head+0xa4/0x140
[ 223.910097][ T5187] gfs2_sys_fs_add+0x24f/0x4b0
[ 223.915042][ T5187] ? gfs2_recover_set+0x240/0x240
[ 223.920296][ T5187] ? snprintf+0xe5/0x140
[ 223.925187][ T5187] ? __free_pages+0x95/0x1a0
[ 223.930231][ T5187] ? vscnprintf+0x80/0x80
[ 223.934820][ T5187] gfs2_fill_super+0x11ed/0x1ea0
[ 223.940031][ T5187] ? gfs2_reconfigure+0xd80/0xd80
[ 223.945320][ T5187] ? sb_set_blocksize+0xa5/0xe0
[ 223.950654][ T5187] get_tree_bdev+0x3e6/0x610
[ 223.955913][ T5187] ? gfs2_reconfigure+0xd80/0xd80
[ 223.961326][ T5187] gfs2_get_tree+0x4d/0x1e0
[ 223.966011][ T5187] vfs_get_tree+0x88/0x270
[ 223.970541][ T5187] do_new_mount+0x247/0xa40
[ 223.975896][ T5187] __se_sys_mount+0x2e3/0x3d0
[ 223.980898][ T5187] ? __x64_sys_mount+0xc0/0xc0
[ 223.986181][ T5187] ? lockdep_hardirqs_on+0x94/0x140
[ 223.991807][ T5187] ? __x64_sys_mount+0x1c/0xc0
[ 223.997088][ T5187] do_syscall_64+0x4c/0xa0
[ 224.001767][ T5187] ? clear_bhb_loop+0x30/0x80
[ 224.006757][ T5187] ? clear_bhb_loop+0x30/0x80
[ 224.011898][ T5187] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 224.018734][ T5187] RIP: 0033:0x7f61f646b60a
[ 224.023510][ T5187] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 224.044630][ T5187] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 224.053746][ T5187] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 224.062621][ T5187] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 224.072449][ T5187] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 224.083196][ T5187] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 224.093152][ T5187] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 224.102386][ T5187]
[ 224.108462][ T5187] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 224.124743][ T5187] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 224.454768][ T5189] loop1: detected capacity change from 0 to 32768
[ 224.475459][ T5189] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 224.484275][ T5189] CPU: 0 PID: 5189 Comm: syz.1.157 Not tainted syzkaller #0
[ 224.492195][ T5189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 224.502933][ T5189] Call Trace:
[ 224.506665][ T5189]
[ 224.509782][ T5189] dump_stack_lvl+0x188/0x250
[ 224.514655][ T5189] ? show_regs_print_info+0x20/0x20
[ 224.520040][ T5189] ? load_image+0x410/0x410
[ 224.524757][ T5189] sysfs_create_dir_ns+0x26a/0x290
[ 224.530236][ T5189] ? sysfs_warn_dup+0xa0/0xa0
[ 224.535653][ T5189] ? do_raw_spin_unlock+0x11d/0x230
[ 224.541682][ T5189] kobject_add_internal+0x5ba/0xcd0
[ 224.547758][ T5189] kobject_init_and_add+0x128/0x190
[ 224.554614][ T5189] ? lockdep_softirqs_off+0x430/0x430
[ 224.561154][ T5189] ? kobject_add+0x230/0x230
[ 224.565854][ T5189] ? __init_swait_queue_head+0xa4/0x140
[ 224.572610][ T5189] gfs2_sys_fs_add+0x24f/0x4b0
[ 224.577921][ T5189] ? gfs2_recover_set+0x240/0x240
[ 224.585428][ T5189] ? snprintf+0xe5/0x140
[ 224.591236][ T5189] ? __free_pages+0x95/0x1a0
[ 224.596742][ T5189] ? vscnprintf+0x80/0x80
[ 224.602026][ T5189] gfs2_fill_super+0x11ed/0x1ea0
[ 224.609376][ T5189] ? gfs2_reconfigure+0xd80/0xd80
[ 224.616223][ T5189] ? sb_set_blocksize+0xa5/0xe0
[ 224.622094][ T5189] get_tree_bdev+0x3e6/0x610
[ 224.627255][ T5189] ? gfs2_reconfigure+0xd80/0xd80
[ 224.632962][ T5189] gfs2_get_tree+0x4d/0x1e0
[ 224.638129][ T5189] vfs_get_tree+0x88/0x270
[ 224.643526][ T5189] do_new_mount+0x247/0xa40
[ 224.648354][ T5189] __se_sys_mount+0x2e3/0x3d0
[ 224.653216][ T5189] ? __x64_sys_mount+0xc0/0xc0
[ 224.658324][ T5189] ? lockdep_hardirqs_on+0x94/0x140
[ 224.663845][ T5189] ? __x64_sys_mount+0x1c/0xc0
[ 224.669212][ T5189] do_syscall_64+0x4c/0xa0
[ 224.673658][ T5189] ? clear_bhb_loop+0x30/0x80
[ 224.678767][ T5189] ? clear_bhb_loop+0x30/0x80
[ 224.683790][ T5189] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 224.690153][ T5189] RIP: 0033:0x7f61f646b60a
[ 224.694832][ T5189] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 224.717136][ T5189] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 224.726281][ T5189] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 224.734914][ T5189] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 224.743413][ T5189] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 224.753633][ T5189] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 224.762385][ T5189] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 224.771420][ T5189]
[ 224.776877][ T5189] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 224.792977][ T5189] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 225.117421][ T5191] loop1: detected capacity change from 0 to 32768
[ 225.185833][ T5191] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 225.196921][ T5191] CPU: 0 PID: 5191 Comm: syz.1.158 Not tainted syzkaller #0
[ 225.207622][ T5191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 225.220093][ T5191] Call Trace:
[ 225.225060][ T5191]
[ 225.228022][ T5191] dump_stack_lvl+0x188/0x250
[ 225.233357][ T5191] ? show_regs_print_info+0x20/0x20
[ 225.238753][ T5191] ? load_image+0x410/0x410
[ 225.244189][ T5191] sysfs_create_dir_ns+0x26a/0x290
[ 225.249671][ T5191] ? sysfs_warn_dup+0xa0/0xa0
[ 225.254765][ T5191] ? do_raw_spin_unlock+0x11d/0x230
[ 225.260468][ T5191] kobject_add_internal+0x5ba/0xcd0
[ 225.265871][ T5191] kobject_init_and_add+0x128/0x190
[ 225.271927][ T5191] ? lockdep_softirqs_off+0x430/0x430
[ 225.277630][ T5191] ? kobject_add+0x230/0x230
[ 225.282396][ T5191] ? __init_swait_queue_head+0xa4/0x140
[ 225.288305][ T5191] gfs2_sys_fs_add+0x24f/0x4b0
[ 225.293398][ T5191] ? gfs2_recover_set+0x240/0x240
[ 225.299097][ T5191] ? snprintf+0xe5/0x140
[ 225.303880][ T5191] ? __free_pages+0x95/0x1a0
[ 225.309474][ T5191] ? vscnprintf+0x80/0x80
[ 225.314800][ T5191] gfs2_fill_super+0x11ed/0x1ea0
[ 225.320391][ T5191] ? gfs2_reconfigure+0xd80/0xd80
[ 225.325762][ T5191] ? sb_set_blocksize+0xa5/0xe0
[ 225.331194][ T5191] get_tree_bdev+0x3e6/0x610
[ 225.336257][ T5191] ? gfs2_reconfigure+0xd80/0xd80
[ 225.341305][ T5191] gfs2_get_tree+0x4d/0x1e0
[ 225.345845][ T5191] vfs_get_tree+0x88/0x270
[ 225.350365][ T5191] do_new_mount+0x247/0xa40
[ 225.355351][ T5191] __se_sys_mount+0x2e3/0x3d0
[ 225.360466][ T5191] ? __x64_sys_mount+0xc0/0xc0
[ 225.365257][ T5191] ? lockdep_hardirqs_on+0x94/0x140
[ 225.370752][ T5191] ? __x64_sys_mount+0x1c/0xc0
[ 225.375519][ T5191] do_syscall_64+0x4c/0xa0
[ 225.380272][ T5191] ? clear_bhb_loop+0x30/0x80
[ 225.384942][ T5191] ? clear_bhb_loop+0x30/0x80
[ 225.389894][ T5191] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 225.397545][ T5191] RIP: 0033:0x7f61f646b60a
[ 225.402270][ T5191] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 225.425638][ T5191] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 225.434486][ T5191] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 225.443328][ T5191] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 225.452438][ T5191] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 225.460761][ T5191] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 225.468895][ T5191] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 225.477233][ T5191]
[ 225.484552][ T5191] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 225.498748][ T5191] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 225.865294][ T5193] loop1: detected capacity change from 0 to 32768
[ 225.911367][ T5193] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 225.924135][ T5193] CPU: 1 PID: 5193 Comm: syz.1.159 Not tainted syzkaller #0
[ 225.933322][ T5193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 225.944754][ T5193] Call Trace:
[ 225.948182][ T5193]
[ 225.951214][ T5193] dump_stack_lvl+0x188/0x250
[ 225.956095][ T5193] ? show_regs_print_info+0x20/0x20
[ 225.961495][ T5193] ? load_image+0x410/0x410
[ 225.966107][ T5193] sysfs_create_dir_ns+0x26a/0x290
[ 225.971517][ T5193] ? sysfs_warn_dup+0xa0/0xa0
[ 225.977362][ T5193] ? do_raw_spin_unlock+0x11d/0x230
[ 225.982833][ T5193] kobject_add_internal+0x5ba/0xcd0
[ 225.988682][ T5193] kobject_init_and_add+0x128/0x190
[ 225.994521][ T5193] ? lockdep_softirqs_off+0x430/0x430
[ 226.000197][ T5193] ? kobject_add+0x230/0x230
[ 226.005171][ T5193] ? __init_swait_queue_head+0xa4/0x140
[ 226.011232][ T5193] gfs2_sys_fs_add+0x24f/0x4b0
[ 226.017156][ T5193] ? gfs2_recover_set+0x240/0x240
[ 226.023180][ T5193] ? snprintf+0xe5/0x140
[ 226.028677][ T5193] ? __free_pages+0x95/0x1a0
[ 226.033931][ T5193] ? vscnprintf+0x80/0x80
[ 226.038438][ T5193] gfs2_fill_super+0x11ed/0x1ea0
[ 226.044584][ T5193] ? gfs2_reconfigure+0xd80/0xd80
[ 226.050483][ T5193] ? sb_set_blocksize+0xa5/0xe0
[ 226.055882][ T5193] get_tree_bdev+0x3e6/0x610
[ 226.060741][ T5193] ? gfs2_reconfigure+0xd80/0xd80
[ 226.066187][ T5193] gfs2_get_tree+0x4d/0x1e0
[ 226.071672][ T5193] vfs_get_tree+0x88/0x270
[ 226.076874][ T5193] do_new_mount+0x247/0xa40
[ 226.081566][ T5193] __se_sys_mount+0x2e3/0x3d0
[ 226.086829][ T5193] ? __x64_sys_mount+0xc0/0xc0
[ 226.092463][ T5193] ? lockdep_hardirqs_on+0x94/0x140
[ 226.097979][ T5193] ? __x64_sys_mount+0x1c/0xc0
[ 226.104395][ T5193] do_syscall_64+0x4c/0xa0
[ 226.109939][ T5193] ? clear_bhb_loop+0x30/0x80
[ 226.115355][ T5193] ? clear_bhb_loop+0x30/0x80
[ 226.121104][ T5193] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 226.127916][ T5193] RIP: 0033:0x7f61f646b60a
[ 226.132655][ T5193] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 226.154519][ T5193] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 226.163241][ T5193] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 226.171356][ T5193] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 226.180754][ T5193] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 226.189542][ T5193] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 226.199765][ T5193] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 226.209841][ T5193]
[ 226.213829][ T5193] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 226.228007][ T5193] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 226.538894][ T5195] loop1: detected capacity change from 0 to 32768
[ 226.606175][ T5195] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 226.617294][ T5195] CPU: 0 PID: 5195 Comm: syz.1.160 Not tainted syzkaller #0
[ 226.626633][ T5195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 226.637312][ T5195] Call Trace:
[ 226.640868][ T5195]
[ 226.643925][ T5195] dump_stack_lvl+0x188/0x250
[ 226.648619][ T5195] ? show_regs_print_info+0x20/0x20
[ 226.653961][ T5195] ? load_image+0x410/0x410
[ 226.658503][ T5195] sysfs_create_dir_ns+0x26a/0x290
[ 226.663723][ T5195] ? sysfs_warn_dup+0xa0/0xa0
[ 226.669036][ T5195] ? do_raw_spin_unlock+0x11d/0x230
[ 226.674849][ T5195] kobject_add_internal+0x5ba/0xcd0
[ 226.680480][ T5195] kobject_init_and_add+0x128/0x190
[ 226.686511][ T5195] ? lockdep_softirqs_off+0x430/0x430
[ 226.693405][ T5195] ? kobject_add+0x230/0x230
[ 226.699401][ T5195] ? __init_swait_queue_head+0xa4/0x140
[ 226.705934][ T5195] gfs2_sys_fs_add+0x24f/0x4b0
[ 226.711890][ T5195] ? gfs2_recover_set+0x240/0x240
[ 226.717205][ T5195] ? snprintf+0xe5/0x140
[ 226.725746][ T5195] ? __free_pages+0x95/0x1a0
[ 226.730698][ T5195] ? vscnprintf+0x80/0x80
[ 226.735941][ T5195] gfs2_fill_super+0x11ed/0x1ea0
[ 226.743235][ T5195] ? gfs2_reconfigure+0xd80/0xd80
[ 226.748764][ T5195] ? sb_set_blocksize+0xa5/0xe0
[ 226.754529][ T5195] get_tree_bdev+0x3e6/0x610
[ 226.759328][ T5195] ? gfs2_reconfigure+0xd80/0xd80
[ 226.764735][ T5195] gfs2_get_tree+0x4d/0x1e0
[ 226.770249][ T5195] vfs_get_tree+0x88/0x270
[ 226.775716][ T5195] do_new_mount+0x247/0xa40
[ 226.780523][ T5195] __se_sys_mount+0x2e3/0x3d0
[ 226.787398][ T5195] ? __x64_sys_mount+0xc0/0xc0
[ 226.793003][ T5195] ? lockdep_hardirqs_on+0x94/0x140
[ 226.798608][ T5195] ? __x64_sys_mount+0x1c/0xc0
[ 226.805381][ T5195] do_syscall_64+0x4c/0xa0
[ 226.811024][ T5195] ? clear_bhb_loop+0x30/0x80
[ 226.816387][ T5195] ? clear_bhb_loop+0x30/0x80
[ 226.822388][ T5195] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 226.829902][ T5195] RIP: 0033:0x7f61f646b60a
[ 226.834616][ T5195] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 226.857141][ T5195] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 226.868743][ T5195] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 226.878681][ T5195] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 226.891797][ T5195] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 226.905135][ T5195] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 226.915176][ T5195] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 226.926438][ T5195]
[ 226.933113][ T5195] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 226.951233][ T5195] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/09/25 16:57:08 executed programs: 146
[ 227.303625][ T5198] loop1: detected capacity change from 0 to 32768
[ 227.331492][ T5198] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 227.349306][ T5198] CPU: 0 PID: 5198 Comm: syz.1.161 Not tainted syzkaller #0
[ 227.362007][ T5198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 227.375926][ T5198] Call Trace:
[ 227.379473][ T5198]
[ 227.383136][ T5198] dump_stack_lvl+0x188/0x250
[ 227.388547][ T5198] ? show_regs_print_info+0x20/0x20
[ 227.396013][ T5198] ? load_image+0x410/0x410
[ 227.401526][ T5198] sysfs_create_dir_ns+0x26a/0x290
[ 227.408044][ T5198] ? sysfs_warn_dup+0xa0/0xa0
[ 227.415291][ T5198] ? do_raw_spin_unlock+0x11d/0x230
[ 227.421429][ T5198] kobject_add_internal+0x5ba/0xcd0
[ 227.429893][ T5198] kobject_init_and_add+0x128/0x190
[ 227.436160][ T5198] ? lockdep_softirqs_off+0x430/0x430
[ 227.443255][ T5198] ? kobject_add+0x230/0x230
[ 227.449280][ T5198] ? __init_swait_queue_head+0xa4/0x140
[ 227.456123][ T5198] gfs2_sys_fs_add+0x24f/0x4b0
[ 227.462055][ T5198] ? gfs2_recover_set+0x240/0x240
[ 227.471771][ T5198] ? snprintf+0xe5/0x140
[ 227.478133][ T5198] ? __free_pages+0x95/0x1a0
[ 227.484680][ T5198] ? vscnprintf+0x80/0x80
[ 227.491842][ T5198] gfs2_fill_super+0x11ed/0x1ea0
[ 227.497972][ T5198] ? gfs2_reconfigure+0xd80/0xd80
[ 227.507067][ T5198] ? sb_set_blocksize+0xa5/0xe0
[ 227.513768][ T5198] get_tree_bdev+0x3e6/0x610
[ 227.520040][ T5198] ? gfs2_reconfigure+0xd80/0xd80
[ 227.526003][ T5198] gfs2_get_tree+0x4d/0x1e0
[ 227.533540][ T5198] vfs_get_tree+0x88/0x270
[ 227.541529][ T5198] do_new_mount+0x247/0xa40
[ 227.548255][ T5198] __se_sys_mount+0x2e3/0x3d0
[ 227.554483][ T5198] ? __x64_sys_mount+0xc0/0xc0
[ 227.560105][ T5198] ? lockdep_hardirqs_on+0x94/0x140
[ 227.565864][ T5198] ? __x64_sys_mount+0x1c/0xc0
[ 227.576554][ T5198] do_syscall_64+0x4c/0xa0
[ 227.582658][ T5198] ? clear_bhb_loop+0x30/0x80
[ 227.589306][ T5198] ? clear_bhb_loop+0x30/0x80
[ 227.595718][ T5198] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 227.603649][ T5198] RIP: 0033:0x7f61f646b60a
[ 227.609422][ T5198] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 227.635026][ T5198] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 227.646501][ T5198] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 227.657461][ T5198] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 227.668448][ T5198] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 227.678680][ T5198] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 227.688743][ T5198] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 227.698269][ T5198]
[ 227.704623][ T5198] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 227.722387][ T5198] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 228.038468][ T5200] loop1: detected capacity change from 0 to 32768
[ 228.102494][ T5200] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 228.115776][ T5200] CPU: 0 PID: 5200 Comm: syz.1.162 Not tainted syzkaller #0
[ 228.123856][ T5200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 228.138052][ T5200] Call Trace:
[ 228.141794][ T5200]
[ 228.145190][ T5200] dump_stack_lvl+0x188/0x250
[ 228.151453][ T5200] ? show_regs_print_info+0x20/0x20
[ 228.156856][ T5200] ? load_image+0x410/0x410
[ 228.161828][ T5200] sysfs_create_dir_ns+0x26a/0x290
[ 228.167145][ T5200] ? sysfs_warn_dup+0xa0/0xa0
[ 228.172041][ T5200] ? do_raw_spin_unlock+0x11d/0x230
[ 228.177964][ T5200] kobject_add_internal+0x5ba/0xcd0
[ 228.183196][ T5200] kobject_init_and_add+0x128/0x190
[ 228.188898][ T5200] ? lockdep_softirqs_off+0x430/0x430
[ 228.194384][ T5200] ? kobject_add+0x230/0x230
[ 228.199281][ T5200] ? __init_swait_queue_head+0xa4/0x140
[ 228.205823][ T5200] gfs2_sys_fs_add+0x24f/0x4b0
[ 228.211243][ T5200] ? gfs2_recover_set+0x240/0x240
[ 228.216737][ T5200] ? snprintf+0xe5/0x140
[ 228.221851][ T5200] ? __free_pages+0x95/0x1a0
[ 228.227160][ T5200] ? vscnprintf+0x80/0x80
[ 228.231691][ T5200] gfs2_fill_super+0x11ed/0x1ea0
[ 228.237239][ T5200] ? gfs2_reconfigure+0xd80/0xd80
[ 228.244044][ T5200] ? sb_set_blocksize+0xa5/0xe0
[ 228.250086][ T5200] get_tree_bdev+0x3e6/0x610
[ 228.254824][ T5200] ? gfs2_reconfigure+0xd80/0xd80
[ 228.260371][ T5200] gfs2_get_tree+0x4d/0x1e0
[ 228.265898][ T5200] vfs_get_tree+0x88/0x270
[ 228.270962][ T5200] do_new_mount+0x247/0xa40
[ 228.276381][ T5200] __se_sys_mount+0x2e3/0x3d0
[ 228.281727][ T5200] ? __x64_sys_mount+0xc0/0xc0
[ 228.288238][ T5200] ? lockdep_hardirqs_on+0x94/0x140
[ 228.294526][ T5200] ? __x64_sys_mount+0x1c/0xc0
[ 228.302207][ T5200] do_syscall_64+0x4c/0xa0
[ 228.308406][ T5200] ? clear_bhb_loop+0x30/0x80
[ 228.314641][ T5200] ? clear_bhb_loop+0x30/0x80
[ 228.321558][ T5200] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 228.332125][ T5200] RIP: 0033:0x7f61f646b60a
[ 228.339505][ T5200] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 228.365985][ T5200] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 228.376900][ T5200] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 228.387519][ T5200] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 228.397475][ T5200] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 228.408151][ T5200] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 228.418745][ T5200] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 228.428435][ T5200]
[ 228.436658][ T5200] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 228.460191][ T5200] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 228.830527][ T5202] loop1: detected capacity change from 0 to 32768
[ 228.893525][ T5202] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 228.905438][ T5202] CPU: 0 PID: 5202 Comm: syz.1.163 Not tainted syzkaller #0
[ 228.915729][ T5202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 228.931838][ T5202] Call Trace:
[ 228.944760][ T5202]
[ 228.951084][ T5202] dump_stack_lvl+0x188/0x250
[ 228.959125][ T5202] ? show_regs_print_info+0x20/0x20
[ 228.967746][ T5202] ? load_image+0x410/0x410
[ 228.974043][ T5202] sysfs_create_dir_ns+0x26a/0x290
[ 228.980427][ T5202] ? sysfs_warn_dup+0xa0/0xa0
[ 228.986467][ T5202] ? do_raw_spin_unlock+0x11d/0x230
[ 228.993474][ T5202] kobject_add_internal+0x5ba/0xcd0
[ 229.001125][ T5202] kobject_init_and_add+0x128/0x190
[ 229.007819][ T5202] ? lockdep_softirqs_off+0x430/0x430
[ 229.015406][ T5202] ? kobject_add+0x230/0x230
[ 229.022177][ T5202] ? __init_swait_queue_head+0xa4/0x140
[ 229.029158][ T5202] gfs2_sys_fs_add+0x24f/0x4b0
[ 229.035507][ T5202] ? gfs2_recover_set+0x240/0x240
[ 229.044055][ T5202] ? snprintf+0xe5/0x140
[ 229.049219][ T5202] ? __free_pages+0x95/0x1a0
[ 229.054263][ T5202] ? vscnprintf+0x80/0x80
[ 229.059530][ T5202] gfs2_fill_super+0x11ed/0x1ea0
[ 229.066275][ T5202] ? gfs2_reconfigure+0xd80/0xd80
[ 229.072567][ T5202] ? sb_set_blocksize+0xa5/0xe0
[ 229.078728][ T5202] get_tree_bdev+0x3e6/0x610
[ 229.083985][ T5202] ? gfs2_reconfigure+0xd80/0xd80
[ 229.089249][ T5202] gfs2_get_tree+0x4d/0x1e0
[ 229.095069][ T5202] vfs_get_tree+0x88/0x270
[ 229.101021][ T5202] do_new_mount+0x247/0xa40
[ 229.106019][ T5202] __se_sys_mount+0x2e3/0x3d0
[ 229.114812][ T5202] ? __x64_sys_mount+0xc0/0xc0
[ 229.121863][ T5202] ? lockdep_hardirqs_on+0x94/0x140
[ 229.129142][ T5202] ? __x64_sys_mount+0x1c/0xc0
[ 229.135187][ T5202] do_syscall_64+0x4c/0xa0
[ 229.141209][ T5202] ? clear_bhb_loop+0x30/0x80
[ 229.148074][ T5202] ? clear_bhb_loop+0x30/0x80
[ 229.153812][ T5202] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 229.160353][ T5202] RIP: 0033:0x7f61f646b60a
[ 229.164926][ T5202] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 229.196842][ T5202] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 229.210327][ T5202] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 229.225837][ T5202] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 229.238067][ T5202] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 229.251538][ T5202] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 229.262076][ T5202] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 229.271910][ T5202]
[ 229.278212][ T5202] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 229.293833][ T5202] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 229.606786][ T5205] loop1: detected capacity change from 0 to 32768
[ 229.670634][ T5205] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 229.679791][ T5205] CPU: 0 PID: 5205 Comm: syz.1.164 Not tainted syzkaller #0
[ 229.688058][ T5205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 229.699013][ T5205] Call Trace:
[ 229.702827][ T5205]
[ 229.706325][ T5205] dump_stack_lvl+0x188/0x250
[ 229.712068][ T5205] ? show_regs_print_info+0x20/0x20
[ 229.717730][ T5205] ? load_image+0x410/0x410
[ 229.722701][ T5205] sysfs_create_dir_ns+0x26a/0x290
[ 229.729076][ T5205] ? sysfs_warn_dup+0xa0/0xa0
[ 229.734340][ T5205] ? do_raw_spin_unlock+0x11d/0x230
[ 229.739829][ T5205] kobject_add_internal+0x5ba/0xcd0
[ 229.745930][ T5205] kobject_init_and_add+0x128/0x190
[ 229.752196][ T5205] ? lockdep_softirqs_off+0x430/0x430
[ 229.757979][ T5205] ? kobject_add+0x230/0x230
[ 229.764041][ T5205] ? __init_swait_queue_head+0xa4/0x140
[ 229.771444][ T5205] gfs2_sys_fs_add+0x24f/0x4b0
[ 229.777130][ T5205] ? gfs2_recover_set+0x240/0x240
[ 229.783436][ T5205] ? snprintf+0xe5/0x140
[ 229.788538][ T5205] ? __free_pages+0x95/0x1a0
[ 229.795566][ T5205] ? vscnprintf+0x80/0x80
[ 229.800886][ T5205] gfs2_fill_super+0x11ed/0x1ea0
[ 229.807598][ T5205] ? gfs2_reconfigure+0xd80/0xd80
[ 229.816296][ T5205] ? sb_set_blocksize+0xa5/0xe0
[ 229.822079][ T5205] get_tree_bdev+0x3e6/0x610
[ 229.827377][ T5205] ? gfs2_reconfigure+0xd80/0xd80
[ 229.833397][ T5205] gfs2_get_tree+0x4d/0x1e0
[ 229.839269][ T5205] vfs_get_tree+0x88/0x270
[ 229.844884][ T5205] do_new_mount+0x247/0xa40
[ 229.850009][ T5205] __se_sys_mount+0x2e3/0x3d0
[ 229.859301][ T5205] ? __x64_sys_mount+0xc0/0xc0
[ 229.866603][ T5205] ? lockdep_hardirqs_on+0x94/0x140
[ 229.873867][ T5205] ? __x64_sys_mount+0x1c/0xc0
[ 229.882553][ T5205] do_syscall_64+0x4c/0xa0
[ 229.888664][ T5205] ? clear_bhb_loop+0x30/0x80
[ 229.895004][ T5205] ? clear_bhb_loop+0x30/0x80
[ 229.901592][ T5205] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 229.908861][ T5205] RIP: 0033:0x7f61f646b60a
[ 229.913731][ T5205] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 229.940872][ T5205] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 229.954184][ T5205] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 229.963647][ T5205] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 229.972630][ T5205] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 229.982386][ T5205] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 229.993109][ T5205] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 230.002130][ T5205]
[ 230.009696][ T5205] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 230.025582][ T5205] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 230.353393][ T5208] loop1: detected capacity change from 0 to 32768
[ 230.374943][ T5208] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 230.383989][ T5208] CPU: 0 PID: 5208 Comm: syz.1.165 Not tainted syzkaller #0
[ 230.392003][ T5208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 230.402163][ T5208] Call Trace:
[ 230.405906][ T5208]
[ 230.409723][ T5208] dump_stack_lvl+0x188/0x250
[ 230.416226][ T5208] ? show_regs_print_info+0x20/0x20
[ 230.422640][ T5208] ? load_image+0x410/0x410
[ 230.428393][ T5208] sysfs_create_dir_ns+0x26a/0x290
[ 230.435434][ T5208] ? sysfs_warn_dup+0xa0/0xa0
[ 230.440852][ T5208] ? do_raw_spin_unlock+0x11d/0x230
[ 230.446833][ T5208] kobject_add_internal+0x5ba/0xcd0
[ 230.453138][ T5208] kobject_init_and_add+0x128/0x190
[ 230.459131][ T5208] ? lockdep_softirqs_off+0x430/0x430
[ 230.464902][ T5208] ? kobject_add+0x230/0x230
[ 230.470077][ T5208] ? __init_swait_queue_head+0xa4/0x140
[ 230.476083][ T5208] gfs2_sys_fs_add+0x24f/0x4b0
[ 230.480956][ T5208] ? gfs2_recover_set+0x240/0x240
[ 230.486133][ T5208] ? snprintf+0xe5/0x140
[ 230.490942][ T5208] ? __free_pages+0x95/0x1a0
[ 230.495842][ T5208] ? vscnprintf+0x80/0x80
[ 230.500450][ T5208] gfs2_fill_super+0x11ed/0x1ea0
[ 230.506273][ T5208] ? gfs2_reconfigure+0xd80/0xd80
[ 230.511603][ T5208] ? sb_set_blocksize+0xa5/0xe0
[ 230.517467][ T5208] get_tree_bdev+0x3e6/0x610
[ 230.522598][ T5208] ? gfs2_reconfigure+0xd80/0xd80
[ 230.528046][ T5208] gfs2_get_tree+0x4d/0x1e0
[ 230.532731][ T5208] vfs_get_tree+0x88/0x270
[ 230.537159][ T5208] do_new_mount+0x247/0xa40
[ 230.541850][ T5208] __se_sys_mount+0x2e3/0x3d0
[ 230.547181][ T5208] ? __x64_sys_mount+0xc0/0xc0
[ 230.553219][ T5208] ? lockdep_hardirqs_on+0x94/0x140
[ 230.559868][ T5208] ? __x64_sys_mount+0x1c/0xc0
[ 230.565198][ T5208] do_syscall_64+0x4c/0xa0
[ 230.570914][ T5208] ? clear_bhb_loop+0x30/0x80
[ 230.576565][ T5208] ? clear_bhb_loop+0x30/0x80
[ 230.583226][ T5208] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 230.591212][ T5208] RIP: 0033:0x7f61f646b60a
[ 230.596450][ T5208] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 230.622027][ T5208] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 230.631759][ T5208] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 230.640566][ T5208] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 230.649131][ T5208] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 230.658704][ T5208] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 230.669409][ T5208] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 230.678890][ T5208]
[ 230.685387][ T5208] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 230.700255][ T5208] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 231.047286][ T5210] loop1: detected capacity change from 0 to 32768
[ 231.097759][ T5210] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 231.105610][ T5210] CPU: 0 PID: 5210 Comm: syz.1.166 Not tainted syzkaller #0
[ 231.113611][ T5210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 231.127025][ T5210] Call Trace:
[ 231.130852][ T5210]
[ 231.133891][ T5210] dump_stack_lvl+0x188/0x250
[ 231.138983][ T5210] ? show_regs_print_info+0x20/0x20
[ 231.145369][ T5210] ? load_image+0x410/0x410
[ 231.150609][ T5210] sysfs_create_dir_ns+0x26a/0x290
[ 231.156022][ T5210] ? sysfs_warn_dup+0xa0/0xa0
[ 231.161961][ T5210] ? do_raw_spin_unlock+0x11d/0x230
[ 231.167446][ T5210] kobject_add_internal+0x5ba/0xcd0
[ 231.173355][ T5210] kobject_init_and_add+0x128/0x190
[ 231.178862][ T5210] ? lockdep_softirqs_off+0x430/0x430
[ 231.185267][ T5210] ? kobject_add+0x230/0x230
[ 231.190964][ T5210] ? __init_swait_queue_head+0xa4/0x140
[ 231.198042][ T5210] gfs2_sys_fs_add+0x24f/0x4b0
[ 231.205525][ T5210] ? gfs2_recover_set+0x240/0x240
[ 231.212388][ T5210] ? snprintf+0xe5/0x140
[ 231.219108][ T5210] ? __free_pages+0x95/0x1a0
[ 231.226485][ T5210] ? vscnprintf+0x80/0x80
[ 231.232261][ T5210] gfs2_fill_super+0x11ed/0x1ea0
[ 231.238002][ T5210] ? gfs2_reconfigure+0xd80/0xd80
[ 231.244126][ T5210] ? sb_set_blocksize+0xa5/0xe0
[ 231.250049][ T5210] get_tree_bdev+0x3e6/0x610
[ 231.255659][ T5210] ? gfs2_reconfigure+0xd80/0xd80
[ 231.261387][ T5210] gfs2_get_tree+0x4d/0x1e0
[ 231.265989][ T5210] vfs_get_tree+0x88/0x270
[ 231.270934][ T5210] do_new_mount+0x247/0xa40
[ 231.275995][ T5210] __se_sys_mount+0x2e3/0x3d0
[ 231.281139][ T5210] ? __x64_sys_mount+0xc0/0xc0
[ 231.286493][ T5210] ? lockdep_hardirqs_on+0x94/0x140
[ 231.292883][ T5210] ? __x64_sys_mount+0x1c/0xc0
[ 231.298681][ T5210] do_syscall_64+0x4c/0xa0
[ 231.303776][ T5210] ? clear_bhb_loop+0x30/0x80
[ 231.308960][ T5210] ? clear_bhb_loop+0x30/0x80
[ 231.313919][ T5210] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 231.321281][ T5210] RIP: 0033:0x7f61f646b60a
[ 231.326717][ T5210] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 231.348697][ T5210] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 231.359157][ T5210] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 231.367925][ T5210] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 231.376796][ T5210] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 231.385893][ T5210] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 231.395069][ T5210] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 231.404171][ T5210]
[ 231.410064][ T5210] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 231.426199][ T5210] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 231.755229][ T5214] loop1: detected capacity change from 0 to 32768
[ 231.807357][ T5214] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 231.815772][ T5214] CPU: 1 PID: 5214 Comm: syz.1.167 Not tainted syzkaller #0
[ 231.823639][ T5214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 231.834454][ T5214] Call Trace:
[ 231.837886][ T5214]
[ 231.840882][ T5214] dump_stack_lvl+0x188/0x250
[ 231.845584][ T5214] ? show_regs_print_info+0x20/0x20
[ 231.850889][ T5214] ? load_image+0x410/0x410
[ 231.855964][ T5214] sysfs_create_dir_ns+0x26a/0x290
[ 231.861536][ T5214] ? sysfs_warn_dup+0xa0/0xa0
[ 231.866511][ T5214] ? do_raw_spin_unlock+0x11d/0x230
[ 231.872375][ T5214] kobject_add_internal+0x5ba/0xcd0
[ 231.878091][ T5214] kobject_init_and_add+0x128/0x190
[ 231.883777][ T5214] ? lockdep_softirqs_off+0x430/0x430
[ 231.889740][ T5214] ? kobject_add+0x230/0x230
[ 231.894856][ T5214] ? __init_swait_queue_head+0xa4/0x140
[ 231.900903][ T5214] gfs2_sys_fs_add+0x24f/0x4b0
[ 231.906338][ T5214] ? gfs2_recover_set+0x240/0x240
[ 231.911618][ T5214] ? snprintf+0xe5/0x140
[ 231.916261][ T5214] ? __free_pages+0x95/0x1a0
[ 231.921330][ T5214] ? vscnprintf+0x80/0x80
[ 231.926612][ T5214] gfs2_fill_super+0x11ed/0x1ea0
[ 231.932464][ T5214] ? gfs2_reconfigure+0xd80/0xd80
[ 231.938335][ T5214] ? sb_set_blocksize+0xa5/0xe0
[ 231.946253][ T5214] get_tree_bdev+0x3e6/0x610
[ 231.951615][ T5214] ? gfs2_reconfigure+0xd80/0xd80
[ 231.957230][ T5214] gfs2_get_tree+0x4d/0x1e0
[ 231.961942][ T5214] vfs_get_tree+0x88/0x270
[ 231.967759][ T5214] do_new_mount+0x247/0xa40
[ 231.972547][ T5214] __se_sys_mount+0x2e3/0x3d0
[ 231.977778][ T5214] ? __x64_sys_mount+0xc0/0xc0
[ 231.983049][ T5214] ? lockdep_hardirqs_on+0x94/0x140
[ 231.988903][ T5214] ? __x64_sys_mount+0x1c/0xc0
[ 231.995656][ T5214] do_syscall_64+0x4c/0xa0
[ 232.000481][ T5214] ? clear_bhb_loop+0x30/0x80
[ 232.006584][ T5214] ? clear_bhb_loop+0x30/0x80
[ 232.012121][ T5214] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 232.018572][ T5214] RIP: 0033:0x7f61f646b60a
[ 232.023346][ T5214] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 232.048253][ T5214] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 232.060947][ T5214] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 232.069566][ T5214] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 232.079690][ T5214] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 232.090004][ T5214] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 232.098790][ T5214] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 232.109056][ T5214]
[ 232.118373][ T5214] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 232.137642][ T5214] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/09/25 16:57:13 executed programs: 153
[ 232.482117][ T5217] loop1: detected capacity change from 0 to 32768
[ 232.543995][ T5217] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 232.553366][ T5217] CPU: 1 PID: 5217 Comm: syz.1.168 Not tainted syzkaller #0
[ 232.563562][ T5217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 232.575711][ T5217] Call Trace:
[ 232.579100][ T5217]
[ 232.582528][ T5217] dump_stack_lvl+0x188/0x250
[ 232.588780][ T5217] ? show_regs_print_info+0x20/0x20
[ 232.596632][ T5217] ? load_image+0x410/0x410
[ 232.602549][ T5217] sysfs_create_dir_ns+0x26a/0x290
[ 232.608763][ T5217] ? sysfs_warn_dup+0xa0/0xa0
[ 232.613951][ T5217] ? do_raw_spin_unlock+0x11d/0x230
[ 232.619697][ T5217] kobject_add_internal+0x5ba/0xcd0
[ 232.626202][ T5217] kobject_init_and_add+0x128/0x190
[ 232.633359][ T5217] ? lockdep_softirqs_off+0x430/0x430
[ 232.640173][ T5217] ? kobject_add+0x230/0x230
[ 232.645785][ T5217] ? __init_swait_queue_head+0xa4/0x140
[ 232.651918][ T5217] gfs2_sys_fs_add+0x24f/0x4b0
[ 232.656969][ T5217] ? gfs2_recover_set+0x240/0x240
[ 232.662930][ T5217] ? snprintf+0xe5/0x140
[ 232.668424][ T5217] ? __free_pages+0x95/0x1a0
[ 232.673754][ T5217] ? vscnprintf+0x80/0x80
[ 232.678270][ T5217] gfs2_fill_super+0x11ed/0x1ea0
[ 232.683487][ T5217] ? gfs2_reconfigure+0xd80/0xd80
[ 232.688794][ T5217] ? sb_set_blocksize+0xa5/0xe0
[ 232.693840][ T5217] get_tree_bdev+0x3e6/0x610
[ 232.698942][ T5217] ? gfs2_reconfigure+0xd80/0xd80
[ 232.704904][ T5217] gfs2_get_tree+0x4d/0x1e0
[ 232.709740][ T5217] vfs_get_tree+0x88/0x270
[ 232.714443][ T5217] do_new_mount+0x247/0xa40
[ 232.719204][ T5217] __se_sys_mount+0x2e3/0x3d0
[ 232.724419][ T5217] ? __x64_sys_mount+0xc0/0xc0
[ 232.729556][ T5217] ? lockdep_hardirqs_on+0x94/0x140
[ 232.735103][ T5217] ? __x64_sys_mount+0x1c/0xc0
[ 232.740132][ T5217] do_syscall_64+0x4c/0xa0
[ 232.745083][ T5217] ? clear_bhb_loop+0x30/0x80
[ 232.749859][ T5217] ? clear_bhb_loop+0x30/0x80
[ 232.754795][ T5217] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 232.760946][ T5217] RIP: 0033:0x7f61f646b60a
[ 232.765541][ T5217] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 232.787002][ T5217] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 232.796212][ T5217] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 232.805784][ T5217] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 232.815410][ T5217] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 232.823969][ T5217] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 232.833360][ T5217] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 232.841977][ T5217]
[ 232.846347][ T5217] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 232.860421][ T5217] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 233.214397][ T5219] loop1: detected capacity change from 0 to 32768
[ 233.310293][ T5219] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 233.317931][ T5219] CPU: 1 PID: 5219 Comm: syz.1.169 Not tainted syzkaller #0
[ 233.325852][ T5219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 233.336728][ T5219] Call Trace:
[ 233.340022][ T5219]
[ 233.343182][ T5219] dump_stack_lvl+0x188/0x250
[ 233.348175][ T5219] ? show_regs_print_info+0x20/0x20
[ 233.353873][ T5219] ? load_image+0x410/0x410
[ 233.359009][ T5219] sysfs_create_dir_ns+0x26a/0x290
[ 233.366397][ T5219] ? sysfs_warn_dup+0xa0/0xa0
[ 233.372239][ T5219] ? do_raw_spin_unlock+0x11d/0x230
[ 233.379099][ T5219] kobject_add_internal+0x5ba/0xcd0
[ 233.385600][ T5219] kobject_init_and_add+0x128/0x190
[ 233.391451][ T5219] ? lockdep_softirqs_off+0x430/0x430
[ 233.397337][ T5219] ? kobject_add+0x230/0x230
[ 233.402284][ T5219] ? __init_swait_queue_head+0xa4/0x140
[ 233.408047][ T5219] gfs2_sys_fs_add+0x24f/0x4b0
[ 233.412815][ T5219] ? gfs2_recover_set+0x240/0x240
[ 233.418101][ T5219] ? snprintf+0xe5/0x140
[ 233.422440][ T5219] ? __free_pages+0x95/0x1a0
[ 233.427379][ T5219] ? vscnprintf+0x80/0x80
[ 233.431994][ T5219] gfs2_fill_super+0x11ed/0x1ea0
[ 233.437320][ T5219] ? gfs2_reconfigure+0xd80/0xd80
[ 233.442537][ T5219] ? sb_set_blocksize+0xa5/0xe0
[ 233.447469][ T5219] get_tree_bdev+0x3e6/0x610
[ 233.452136][ T5219] ? gfs2_reconfigure+0xd80/0xd80
[ 233.457156][ T5219] gfs2_get_tree+0x4d/0x1e0
[ 233.461886][ T5219] vfs_get_tree+0x88/0x270
[ 233.466580][ T5219] do_new_mount+0x247/0xa40
[ 233.471189][ T5219] __se_sys_mount+0x2e3/0x3d0
[ 233.476261][ T5219] ? __x64_sys_mount+0xc0/0xc0
[ 233.481130][ T5219] ? lockdep_hardirqs_on+0x94/0x140
[ 233.486606][ T5219] ? __x64_sys_mount+0x1c/0xc0
[ 233.492061][ T5219] do_syscall_64+0x4c/0xa0
[ 233.496482][ T5219] ? clear_bhb_loop+0x30/0x80
[ 233.501724][ T5219] ? clear_bhb_loop+0x30/0x80
[ 233.506603][ T5219] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 233.513551][ T5219] RIP: 0033:0x7f61f646b60a
[ 233.518260][ T5219] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 233.541601][ T5219] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 233.552224][ T5219] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 233.561502][ T5219] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 233.571790][ T5219] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 233.582127][ T5219] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 233.593078][ T5219] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 233.602491][ T5219]
[ 233.614218][ T5219] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 233.629161][ T5219] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 233.960278][ T5221] loop1: detected capacity change from 0 to 32768
[ 234.027231][ T5221] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 234.035514][ T5221] CPU: 0 PID: 5221 Comm: syz.1.170 Not tainted syzkaller #0
[ 234.043192][ T5221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 234.055551][ T5221] Call Trace:
[ 234.060717][ T5221]
[ 234.064068][ T5221] dump_stack_lvl+0x188/0x250
[ 234.069267][ T5221] ? show_regs_print_info+0x20/0x20
[ 234.075799][ T5221] ? load_image+0x410/0x410
[ 234.081377][ T5221] sysfs_create_dir_ns+0x26a/0x290
[ 234.088388][ T5221] ? sysfs_warn_dup+0xa0/0xa0
[ 234.093982][ T5221] ? do_raw_spin_unlock+0x11d/0x230
[ 234.100114][ T5221] kobject_add_internal+0x5ba/0xcd0
[ 234.105601][ T5221] kobject_init_and_add+0x128/0x190
[ 234.111600][ T5221] ? lockdep_softirqs_off+0x430/0x430
[ 234.119226][ T5221] ? kobject_add+0x230/0x230
[ 234.124859][ T5221] ? __init_swait_queue_head+0xa4/0x140
[ 234.132392][ T5221] gfs2_sys_fs_add+0x24f/0x4b0
[ 234.139077][ T5221] ? gfs2_recover_set+0x240/0x240
[ 234.145251][ T5221] ? snprintf+0xe5/0x140
[ 234.150223][ T5221] ? __free_pages+0x95/0x1a0
[ 234.155306][ T5221] ? vscnprintf+0x80/0x80
[ 234.159858][ T5221] gfs2_fill_super+0x11ed/0x1ea0
[ 234.165354][ T5221] ? gfs2_reconfigure+0xd80/0xd80
[ 234.172105][ T5221] ? sb_set_blocksize+0xa5/0xe0
[ 234.177400][ T5221] get_tree_bdev+0x3e6/0x610
[ 234.183531][ T5221] ? gfs2_reconfigure+0xd80/0xd80
[ 234.189681][ T5221] gfs2_get_tree+0x4d/0x1e0
[ 234.194937][ T5221] vfs_get_tree+0x88/0x270
[ 234.201098][ T5221] do_new_mount+0x247/0xa40
[ 234.206798][ T5221] __se_sys_mount+0x2e3/0x3d0
[ 234.213030][ T5221] ? __x64_sys_mount+0xc0/0xc0
[ 234.220524][ T5221] ? lockdep_hardirqs_on+0x94/0x140
[ 234.228739][ T5221] ? __x64_sys_mount+0x1c/0xc0
[ 234.235689][ T5221] do_syscall_64+0x4c/0xa0
[ 234.241053][ T5221] ? clear_bhb_loop+0x30/0x80
[ 234.247280][ T5221] ? clear_bhb_loop+0x30/0x80
[ 234.253809][ T5221] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 234.260140][ T5221] RIP: 0033:0x7f61f646b60a
[ 234.265279][ T5221] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 234.286029][ T5221] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 234.295986][ T5221] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 234.305060][ T5221] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 234.315782][ T5221] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 234.324624][ T5221] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 234.333348][ T5221] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 234.345401][ T5221]
[ 234.350514][ T5221] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 234.366516][ T5221] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 234.671656][ T5223] loop1: detected capacity change from 0 to 32768
[ 234.689321][ T5223] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 234.697963][ T5223] CPU: 1 PID: 5223 Comm: syz.1.171 Not tainted syzkaller #0
[ 234.705524][ T5223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 234.717102][ T5223] Call Trace:
[ 234.720404][ T5223]
[ 234.724133][ T5223] dump_stack_lvl+0x188/0x250
[ 234.728925][ T5223] ? show_regs_print_info+0x20/0x20
[ 234.735427][ T5223] ? load_image+0x410/0x410
[ 234.740256][ T5223] sysfs_create_dir_ns+0x26a/0x290
[ 234.746143][ T5223] ? sysfs_warn_dup+0xa0/0xa0
[ 234.751668][ T5223] ? do_raw_spin_unlock+0x11d/0x230
[ 234.757135][ T5223] kobject_add_internal+0x5ba/0xcd0
[ 234.762703][ T5223] kobject_init_and_add+0x128/0x190
[ 234.768877][ T5223] ? lockdep_softirqs_off+0x430/0x430
[ 234.774733][ T5223] ? kobject_add+0x230/0x230
[ 234.779696][ T5223] ? __init_swait_queue_head+0xa4/0x140
[ 234.786236][ T5223] gfs2_sys_fs_add+0x24f/0x4b0
[ 234.791805][ T5223] ? gfs2_recover_set+0x240/0x240
[ 234.797087][ T5223] ? snprintf+0xe5/0x140
[ 234.802258][ T5223] ? __free_pages+0x95/0x1a0
[ 234.807088][ T5223] ? vscnprintf+0x80/0x80
[ 234.811621][ T5223] gfs2_fill_super+0x11ed/0x1ea0
[ 234.816819][ T5223] ? gfs2_reconfigure+0xd80/0xd80
[ 234.822104][ T5223] ? sb_set_blocksize+0xa5/0xe0
[ 234.826996][ T5223] get_tree_bdev+0x3e6/0x610
[ 234.831763][ T5223] ? gfs2_reconfigure+0xd80/0xd80
[ 234.836874][ T5223] gfs2_get_tree+0x4d/0x1e0
[ 234.841459][ T5223] vfs_get_tree+0x88/0x270
[ 234.845883][ T5223] do_new_mount+0x247/0xa40
[ 234.850608][ T5223] __se_sys_mount+0x2e3/0x3d0
[ 234.855522][ T5223] ? __x64_sys_mount+0xc0/0xc0
[ 234.860731][ T5223] ? lockdep_hardirqs_on+0x94/0x140
[ 234.866274][ T5223] ? __x64_sys_mount+0x1c/0xc0
[ 234.871213][ T5223] do_syscall_64+0x4c/0xa0
[ 234.875893][ T5223] ? clear_bhb_loop+0x30/0x80
[ 234.880925][ T5223] ? clear_bhb_loop+0x30/0x80
[ 234.885822][ T5223] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 234.892003][ T5223] RIP: 0033:0x7f61f646b60a
[ 234.896684][ T5223] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 234.917592][ T5223] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 234.926023][ T5223] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 234.934850][ T5223] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 234.943432][ T5223] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 234.951793][ T5223] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 234.960052][ T5223] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 234.968885][ T5223]
[ 234.972953][ T5223] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 234.988143][ T5223] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 235.339319][ T5225] loop1: detected capacity change from 0 to 32768
[ 235.404978][ T5225] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 235.412789][ T5225] CPU: 1 PID: 5225 Comm: syz.1.172 Not tainted syzkaller #0
[ 235.420802][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 235.431302][ T5225] Call Trace:
[ 235.434594][ T5225]
[ 235.437712][ T5225] dump_stack_lvl+0x188/0x250
[ 235.442883][ T5225] ? show_regs_print_info+0x20/0x20
[ 235.448192][ T5225] ? load_image+0x410/0x410
[ 235.452813][ T5225] sysfs_create_dir_ns+0x26a/0x290
[ 235.458023][ T5225] ? sysfs_warn_dup+0xa0/0xa0
[ 235.462901][ T5225] ? do_raw_spin_unlock+0x11d/0x230
[ 235.468703][ T5225] kobject_add_internal+0x5ba/0xcd0
[ 235.474193][ T5225] kobject_init_and_add+0x128/0x190
[ 235.479850][ T5225] ? lockdep_softirqs_off+0x430/0x430
[ 235.485506][ T5225] ? kobject_add+0x230/0x230
[ 235.490488][ T5225] ? __init_swait_queue_head+0xa4/0x140
[ 235.496347][ T5225] gfs2_sys_fs_add+0x24f/0x4b0
[ 235.501282][ T5225] ? gfs2_recover_set+0x240/0x240
[ 235.506316][ T5225] ? snprintf+0xe5/0x140
[ 235.510661][ T5225] ? __free_pages+0x95/0x1a0
[ 235.515927][ T5225] ? vscnprintf+0x80/0x80
[ 235.521082][ T5225] gfs2_fill_super+0x11ed/0x1ea0
[ 235.526312][ T5225] ? gfs2_reconfigure+0xd80/0xd80
[ 235.531934][ T5225] ? sb_set_blocksize+0xa5/0xe0
[ 235.537729][ T5225] get_tree_bdev+0x3e6/0x610
[ 235.543675][ T5225] ? gfs2_reconfigure+0xd80/0xd80
[ 235.549414][ T5225] gfs2_get_tree+0x4d/0x1e0
[ 235.556627][ T5225] vfs_get_tree+0x88/0x270
[ 235.562660][ T5225] do_new_mount+0x247/0xa40
[ 235.568097][ T5225] __se_sys_mount+0x2e3/0x3d0
[ 235.574087][ T5225] ? __x64_sys_mount+0xc0/0xc0
[ 235.580076][ T5225] ? lockdep_hardirqs_on+0x94/0x140
[ 235.586461][ T5225] ? __x64_sys_mount+0x1c/0xc0
[ 235.591531][ T5225] do_syscall_64+0x4c/0xa0
[ 235.596494][ T5225] ? clear_bhb_loop+0x30/0x80
[ 235.601626][ T5225] ? clear_bhb_loop+0x30/0x80
[ 235.606491][ T5225] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 235.613032][ T5225] RIP: 0033:0x7f61f646b60a
[ 235.617980][ T5225] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 235.639601][ T5225] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 235.648184][ T5225] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 235.656738][ T5225] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 235.665001][ T5225] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 235.673783][ T5225] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 235.682098][ T5225] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 235.691464][ T5225]
[ 235.697642][ T5225] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 235.713468][ T5225] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 236.015251][ T5227] loop1: detected capacity change from 0 to 32768
[ 236.061416][ T5227] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 236.072137][ T5227] CPU: 1 PID: 5227 Comm: syz.1.173 Not tainted syzkaller #0
[ 236.080459][ T5227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 236.090889][ T5227] Call Trace:
[ 236.094361][ T5227]
[ 236.097511][ T5227] dump_stack_lvl+0x188/0x250
[ 236.102464][ T5227] ? show_regs_print_info+0x20/0x20
[ 236.108214][ T5227] ? load_image+0x410/0x410
[ 236.113455][ T5227] sysfs_create_dir_ns+0x26a/0x290
[ 236.119023][ T5227] ? sysfs_warn_dup+0xa0/0xa0
[ 236.124743][ T5227] ? do_raw_spin_unlock+0x11d/0x230
[ 236.130244][ T5227] kobject_add_internal+0x5ba/0xcd0
[ 236.135884][ T5227] kobject_init_and_add+0x128/0x190
[ 236.142543][ T5227] ? lockdep_softirqs_off+0x430/0x430
[ 236.148839][ T5227] ? kobject_add+0x230/0x230
[ 236.153898][ T5227] ? __init_swait_queue_head+0xa4/0x140
[ 236.160508][ T5227] gfs2_sys_fs_add+0x24f/0x4b0
[ 236.165290][ T5227] ? gfs2_recover_set+0x240/0x240
[ 236.171507][ T5227] ? snprintf+0xe5/0x140
[ 236.176534][ T5227] ? __free_pages+0x95/0x1a0
[ 236.181774][ T5227] ? vscnprintf+0x80/0x80
[ 236.186551][ T5227] gfs2_fill_super+0x11ed/0x1ea0
[ 236.191723][ T5227] ? gfs2_reconfigure+0xd80/0xd80
[ 236.196877][ T5227] ? sb_set_blocksize+0xa5/0xe0
[ 236.202586][ T5227] get_tree_bdev+0x3e6/0x610
[ 236.208258][ T5227] ? gfs2_reconfigure+0xd80/0xd80
[ 236.213999][ T5227] gfs2_get_tree+0x4d/0x1e0
[ 236.220050][ T5227] vfs_get_tree+0x88/0x270
[ 236.225424][ T5227] do_new_mount+0x247/0xa40
[ 236.230883][ T5227] __se_sys_mount+0x2e3/0x3d0
[ 236.235671][ T5227] ? __x64_sys_mount+0xc0/0xc0
[ 236.241398][ T5227] ? lockdep_hardirqs_on+0x94/0x140
[ 236.247105][ T5227] ? __x64_sys_mount+0x1c/0xc0
[ 236.253158][ T5227] do_syscall_64+0x4c/0xa0
[ 236.258365][ T5227] ? clear_bhb_loop+0x30/0x80
[ 236.263180][ T5227] ? clear_bhb_loop+0x30/0x80
[ 236.268144][ T5227] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 236.275022][ T5227] RIP: 0033:0x7f61f646b60a
[ 236.280699][ T5227] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 236.303867][ T5227] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 236.314076][ T5227] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 236.323011][ T5227] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 236.331552][ T5227] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 236.344332][ T5227] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 236.354128][ T5227] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 236.363702][ T5227]
[ 236.368049][ T5227] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 236.384003][ T5227] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 236.741431][ T5229] loop1: detected capacity change from 0 to 32768
[ 236.789170][ T5229] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 236.800842][ T5229] CPU: 1 PID: 5229 Comm: syz.1.174 Not tainted syzkaller #0
[ 236.809151][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 236.820365][ T5229] Call Trace:
[ 236.824193][ T5229]
[ 236.827897][ T5229] dump_stack_lvl+0x188/0x250
[ 236.832599][ T5229] ? show_regs_print_info+0x20/0x20
[ 236.838418][ T5229] ? load_image+0x410/0x410
[ 236.843037][ T5229] sysfs_create_dir_ns+0x26a/0x290
[ 236.848343][ T5229] ? sysfs_warn_dup+0xa0/0xa0
[ 236.853305][ T5229] ? do_raw_spin_unlock+0x11d/0x230
[ 236.859284][ T5229] kobject_add_internal+0x5ba/0xcd0
[ 236.865301][ T5229] kobject_init_and_add+0x128/0x190
[ 236.870786][ T5229] ? lockdep_softirqs_off+0x430/0x430
[ 236.878401][ T5229] ? kobject_add+0x230/0x230
[ 236.884329][ T5229] ? __init_swait_queue_head+0xa4/0x140
[ 236.890888][ T5229] gfs2_sys_fs_add+0x24f/0x4b0
[ 236.896396][ T5229] ? gfs2_recover_set+0x240/0x240
[ 236.902452][ T5229] ? snprintf+0xe5/0x140
[ 236.907551][ T5229] ? __free_pages+0x95/0x1a0
[ 236.912722][ T5229] ? vscnprintf+0x80/0x80
[ 236.917706][ T5229] gfs2_fill_super+0x11ed/0x1ea0
[ 236.923361][ T5229] ? gfs2_reconfigure+0xd80/0xd80
[ 236.928675][ T5229] ? sb_set_blocksize+0xa5/0xe0
[ 236.934037][ T5229] get_tree_bdev+0x3e6/0x610
[ 236.939502][ T5229] ? gfs2_reconfigure+0xd80/0xd80
[ 236.944980][ T5229] gfs2_get_tree+0x4d/0x1e0
[ 236.949959][ T5229] vfs_get_tree+0x88/0x270
[ 236.954693][ T5229] do_new_mount+0x247/0xa40
[ 236.959750][ T5229] __se_sys_mount+0x2e3/0x3d0
[ 236.965158][ T5229] ? __x64_sys_mount+0xc0/0xc0
[ 236.970715][ T5229] ? lockdep_hardirqs_on+0x94/0x140
[ 236.977454][ T5229] ? __x64_sys_mount+0x1c/0xc0
[ 236.982498][ T5229] do_syscall_64+0x4c/0xa0
[ 236.987484][ T5229] ? clear_bhb_loop+0x30/0x80
[ 236.993319][ T5229] ? clear_bhb_loop+0x30/0x80
[ 236.998754][ T5229] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 237.005621][ T5229] RIP: 0033:0x7f61f646b60a
[ 237.011453][ T5229] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 237.035635][ T5229] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 237.045250][ T5229] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 237.055036][ T5229] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 237.064286][ T5229] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 237.073171][ T5229] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 237.082073][ T5229] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 237.091010][ T5229]
[ 237.095523][ T5229] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 237.110804][ T5229] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 237.430751][ T5231] loop1: detected capacity change from 0 to 32768
[ 237.529966][ T5231] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 237.540492][ T5231] CPU: 1 PID: 5231 Comm: syz.1.175 Not tainted syzkaller #0
[ 237.548083][ T5231] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 237.559302][ T5231] Call Trace:
[ 237.562864][ T5231]
[ 237.566345][ T5231] dump_stack_lvl+0x188/0x250
[ 237.576148][ T5231] ? show_regs_print_info+0x20/0x20
[ 237.582539][ T5231] ? load_image+0x410/0x410
[ 237.588533][ T5231] sysfs_create_dir_ns+0x26a/0x290
[ 237.594625][ T5231] ? sysfs_warn_dup+0xa0/0xa0
[ 237.601349][ T5231] ? do_raw_spin_unlock+0x11d/0x230
[ 237.610077][ T5231] kobject_add_internal+0x5ba/0xcd0
[ 237.618000][ T5231] kobject_init_and_add+0x128/0x190
[ 237.623740][ T5231] ? lockdep_softirqs_off+0x430/0x430
[ 237.629976][ T5231] ? kobject_add+0x230/0x230
[ 237.635242][ T5231] ? __init_swait_queue_head+0xa4/0x140
[ 237.643234][ T5231] gfs2_sys_fs_add+0x24f/0x4b0
[ 237.648922][ T5231] ? gfs2_recover_set+0x240/0x240
[ 237.655212][ T5231] ? snprintf+0xe5/0x140
[ 237.661168][ T5231] ? __free_pages+0x95/0x1a0
[ 237.666564][ T5231] ? vscnprintf+0x80/0x80
[ 237.671495][ T5231] gfs2_fill_super+0x11ed/0x1ea0
[ 237.677086][ T5231] ? gfs2_reconfigure+0xd80/0xd80
[ 237.683191][ T5231] ? sb_set_blocksize+0xa5/0xe0
[ 237.688729][ T5231] get_tree_bdev+0x3e6/0x610
[ 237.693803][ T5231] ? gfs2_reconfigure+0xd80/0xd80
[ 237.699861][ T5231] gfs2_get_tree+0x4d/0x1e0
[ 237.705572][ T5231] vfs_get_tree+0x88/0x270
[ 237.710974][ T5231] do_new_mount+0x247/0xa40
[ 237.716177][ T5231] __se_sys_mount+0x2e3/0x3d0
[ 237.721031][ T5231] ? __x64_sys_mount+0xc0/0xc0
[ 237.726137][ T5231] ? lockdep_hardirqs_on+0x94/0x140
[ 237.731751][ T5231] ? __x64_sys_mount+0x1c/0xc0
[ 237.736903][ T5231] do_syscall_64+0x4c/0xa0
[ 237.743051][ T5231] ? clear_bhb_loop+0x30/0x80
[ 237.748366][ T5231] ? clear_bhb_loop+0x30/0x80
[ 237.753802][ T5231] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 237.760913][ T5231] RIP: 0033:0x7f61f646b60a
[ 237.766266][ T5231] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 237.787852][ T5231] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 237.797400][ T5231] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 237.807188][ T5231] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 237.816340][ T5231] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 237.825128][ T5231] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 237.835730][ T5231] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 237.845772][ T5231]
[ 237.854880][ T5231] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 237.870002][ T5231] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/09/25 16:57:19 executed programs: 161
[ 238.187735][ T5233] loop1: detected capacity change from 0 to 32768
[ 238.255687][ T5233] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 238.264566][ T5233] CPU: 0 PID: 5233 Comm: syz.1.176 Not tainted syzkaller #0
[ 238.272503][ T5233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 238.283057][ T5233] Call Trace:
[ 238.286987][ T5233]
[ 238.289930][ T5233] dump_stack_lvl+0x188/0x250
[ 238.295339][ T5233] ? show_regs_print_info+0x20/0x20
[ 238.300650][ T5233] ? load_image+0x410/0x410
[ 238.306470][ T5233] sysfs_create_dir_ns+0x26a/0x290
[ 238.313614][ T5233] ? sysfs_warn_dup+0xa0/0xa0
[ 238.319916][ T5233] ? do_raw_spin_unlock+0x11d/0x230
[ 238.325864][ T5233] kobject_add_internal+0x5ba/0xcd0
[ 238.331517][ T5233] kobject_init_and_add+0x128/0x190
[ 238.337122][ T5233] ? lockdep_softirqs_off+0x430/0x430
[ 238.343060][ T5233] ? kobject_add+0x230/0x230
[ 238.347658][ T5233] ? __init_swait_queue_head+0xa4/0x140
[ 238.353723][ T5233] gfs2_sys_fs_add+0x24f/0x4b0
[ 238.359023][ T5233] ? gfs2_recover_set+0x240/0x240
[ 238.364492][ T5233] ? snprintf+0xe5/0x140
[ 238.368813][ T5233] ? __free_pages+0x95/0x1a0
[ 238.373665][ T5233] ? vscnprintf+0x80/0x80
[ 238.378074][ T5233] gfs2_fill_super+0x11ed/0x1ea0
[ 238.383287][ T5233] ? gfs2_reconfigure+0xd80/0xd80
[ 238.389294][ T5233] ? sb_set_blocksize+0xa5/0xe0
[ 238.394342][ T5233] get_tree_bdev+0x3e6/0x610
[ 238.398938][ T5233] ? gfs2_reconfigure+0xd80/0xd80
[ 238.404051][ T5233] gfs2_get_tree+0x4d/0x1e0
[ 238.408863][ T5233] vfs_get_tree+0x88/0x270
[ 238.413455][ T5233] do_new_mount+0x247/0xa40
[ 238.418757][ T5233] __se_sys_mount+0x2e3/0x3d0
[ 238.423783][ T5233] ? __x64_sys_mount+0xc0/0xc0
[ 238.429016][ T5233] ? lockdep_hardirqs_on+0x94/0x140
[ 238.434708][ T5233] ? __x64_sys_mount+0x1c/0xc0
[ 238.439899][ T5233] do_syscall_64+0x4c/0xa0
[ 238.444525][ T5233] ? clear_bhb_loop+0x30/0x80
[ 238.449351][ T5233] ? clear_bhb_loop+0x30/0x80
[ 238.454046][ T5233] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 238.460169][ T5233] RIP: 0033:0x7f61f646b60a
[ 238.465198][ T5233] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 238.486029][ T5233] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 238.497813][ T5233] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 238.506589][ T5233] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 238.515540][ T5233] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 238.525491][ T5233] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 238.534306][ T5233] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 238.543323][ T5233]
[ 238.548478][ T5233] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 238.562806][ T5233] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 238.897633][ T5235] loop1: detected capacity change from 0 to 32768
[ 238.980073][ T5235] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 238.988319][ T5235] CPU: 1 PID: 5235 Comm: syz.1.177 Not tainted syzkaller #0
[ 238.995789][ T5235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 239.006989][ T5235] Call Trace:
[ 239.010463][ T5235]
[ 239.013511][ T5235] dump_stack_lvl+0x188/0x250
[ 239.018337][ T5235] ? show_regs_print_info+0x20/0x20
[ 239.023740][ T5235] ? load_image+0x410/0x410
[ 239.028625][ T5235] sysfs_create_dir_ns+0x26a/0x290
[ 239.033946][ T5235] ? sysfs_warn_dup+0xa0/0xa0
[ 239.039018][ T5235] ? do_raw_spin_unlock+0x11d/0x230
[ 239.044350][ T5235] kobject_add_internal+0x5ba/0xcd0
[ 239.050696][ T5235] kobject_init_and_add+0x128/0x190
[ 239.056309][ T5235] ? lockdep_softirqs_off+0x430/0x430
[ 239.062150][ T5235] ? kobject_add+0x230/0x230
[ 239.066925][ T5235] ? __init_swait_queue_head+0xa4/0x140
[ 239.074481][ T5235] gfs2_sys_fs_add+0x24f/0x4b0
[ 239.079354][ T5235] ? gfs2_recover_set+0x240/0x240
[ 239.084794][ T5235] ? snprintf+0xe5/0x140
[ 239.089506][ T5235] ? __free_pages+0x95/0x1a0
[ 239.094378][ T5235] ? vscnprintf+0x80/0x80
[ 239.098999][ T5235] gfs2_fill_super+0x11ed/0x1ea0
[ 239.104302][ T5235] ? gfs2_reconfigure+0xd80/0xd80
[ 239.110172][ T5235] ? sb_set_blocksize+0xa5/0xe0
[ 239.115137][ T5235] get_tree_bdev+0x3e6/0x610
[ 239.120179][ T5235] ? gfs2_reconfigure+0xd80/0xd80
[ 239.126287][ T5235] gfs2_get_tree+0x4d/0x1e0
[ 239.131175][ T5235] vfs_get_tree+0x88/0x270
[ 239.135694][ T5235] do_new_mount+0x247/0xa40
[ 239.140291][ T5235] __se_sys_mount+0x2e3/0x3d0
[ 239.145277][ T5235] ? __x64_sys_mount+0xc0/0xc0
[ 239.150332][ T5235] ? lockdep_hardirqs_on+0x94/0x140
[ 239.156026][ T5235] ? __x64_sys_mount+0x1c/0xc0
[ 239.161111][ T5235] do_syscall_64+0x4c/0xa0
[ 239.165769][ T5235] ? clear_bhb_loop+0x30/0x80
[ 239.170535][ T5235] ? clear_bhb_loop+0x30/0x80
[ 239.175571][ T5235] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 239.182353][ T5235] RIP: 0033:0x7f61f646b60a
[ 239.187381][ T5235] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 239.208866][ T5235] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 239.219321][ T5235] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 239.227673][ T5235] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 239.236687][ T5235] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 239.245293][ T5235] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 239.253763][ T5235] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 239.262650][ T5235]
[ 239.267548][ T5235] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 239.281732][ T5235] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 239.596006][ T5237] loop1: detected capacity change from 0 to 32768
[ 239.646206][ T5237] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 239.654282][ T5237] CPU: 1 PID: 5237 Comm: syz.1.178 Not tainted syzkaller #0
[ 239.662934][ T5237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 239.673552][ T5237] Call Trace:
[ 239.676893][ T5237]
[ 239.680096][ T5237] dump_stack_lvl+0x188/0x250
[ 239.685148][ T5237] ? show_regs_print_info+0x20/0x20
[ 239.691890][ T5237] ? load_image+0x410/0x410
[ 239.697191][ T5237] sysfs_create_dir_ns+0x26a/0x290
[ 239.702747][ T5237] ? sysfs_warn_dup+0xa0/0xa0
[ 239.707625][ T5237] ? do_raw_spin_unlock+0x11d/0x230
[ 239.713583][ T5237] kobject_add_internal+0x5ba/0xcd0
[ 239.719411][ T5237] kobject_init_and_add+0x128/0x190
[ 239.724986][ T5237] ? lockdep_softirqs_off+0x430/0x430
[ 239.731276][ T5237] ? kobject_add+0x230/0x230
[ 239.736141][ T5237] ? __init_swait_queue_head+0xa4/0x140
[ 239.742405][ T5237] gfs2_sys_fs_add+0x24f/0x4b0
[ 239.747453][ T5237] ? gfs2_recover_set+0x240/0x240
[ 239.753430][ T5237] ? snprintf+0xe5/0x140
[ 239.757937][ T5237] ? __free_pages+0x95/0x1a0
[ 239.763022][ T5237] ? vscnprintf+0x80/0x80
[ 239.767626][ T5237] gfs2_fill_super+0x11ed/0x1ea0
[ 239.773292][ T5237] ? gfs2_reconfigure+0xd80/0xd80
[ 239.778522][ T5237] ? sb_set_blocksize+0xa5/0xe0
[ 239.783766][ T5237] get_tree_bdev+0x3e6/0x610
[ 239.789433][ T5237] ? gfs2_reconfigure+0xd80/0xd80
[ 239.794759][ T5237] gfs2_get_tree+0x4d/0x1e0
[ 239.799620][ T5237] vfs_get_tree+0x88/0x270
[ 239.804872][ T5237] do_new_mount+0x247/0xa40
[ 239.809934][ T5237] __se_sys_mount+0x2e3/0x3d0
[ 239.815070][ T5237] ? __x64_sys_mount+0xc0/0xc0
[ 239.820952][ T5237] ? lockdep_hardirqs_on+0x94/0x140
[ 239.826521][ T5237] ? __x64_sys_mount+0x1c/0xc0
[ 239.831459][ T5237] do_syscall_64+0x4c/0xa0
[ 239.836059][ T5237] ? clear_bhb_loop+0x30/0x80
[ 239.840725][ T5237] ? clear_bhb_loop+0x30/0x80
[ 239.845926][ T5237] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 239.852009][ T5237] RIP: 0033:0x7f61f646b60a
[ 239.856591][ T5237] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 239.880912][ T5237] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 239.890043][ T5237] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 239.899215][ T5237] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 239.908046][ T5237] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 239.916507][ T5237] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 239.924858][ T5237] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 239.934490][ T5237]
[ 239.938914][ T5237] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 239.955036][ T5237] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 240.289880][ T5239] loop1: detected capacity change from 0 to 32768
[ 240.344913][ T5239] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 240.356520][ T5239] CPU: 1 PID: 5239 Comm: syz.1.179 Not tainted syzkaller #0
[ 240.365628][ T5239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 240.376518][ T5239] Call Trace:
[ 240.380000][ T5239]
[ 240.384348][ T5239] dump_stack_lvl+0x188/0x250
[ 240.389673][ T5239] ? show_regs_print_info+0x20/0x20
[ 240.395346][ T5239] ? load_image+0x410/0x410
[ 240.400497][ T5239] sysfs_create_dir_ns+0x26a/0x290
[ 240.405900][ T5239] ? sysfs_warn_dup+0xa0/0xa0
[ 240.411227][ T5239] ? do_raw_spin_unlock+0x11d/0x230
[ 240.417002][ T5239] kobject_add_internal+0x5ba/0xcd0
[ 240.422422][ T5239] kobject_init_and_add+0x128/0x190
[ 240.427659][ T5239] ? lockdep_softirqs_off+0x430/0x430
[ 240.433325][ T5239] ? kobject_add+0x230/0x230
[ 240.438695][ T5239] ? __init_swait_queue_head+0xa4/0x140
[ 240.445932][ T5239] gfs2_sys_fs_add+0x24f/0x4b0
[ 240.450982][ T5239] ? gfs2_recover_set+0x240/0x240
[ 240.456828][ T5239] ? snprintf+0xe5/0x140
[ 240.461686][ T5239] ? __free_pages+0x95/0x1a0
[ 240.467625][ T5239] ? vscnprintf+0x80/0x80
[ 240.473623][ T5239] gfs2_fill_super+0x11ed/0x1ea0
[ 240.479470][ T5239] ? gfs2_reconfigure+0xd80/0xd80
[ 240.485058][ T5239] ? sb_set_blocksize+0xa5/0xe0
[ 240.490585][ T5239] get_tree_bdev+0x3e6/0x610
[ 240.495634][ T5239] ? gfs2_reconfigure+0xd80/0xd80
[ 240.501297][ T5239] gfs2_get_tree+0x4d/0x1e0
[ 240.506627][ T5239] vfs_get_tree+0x88/0x270
[ 240.512654][ T5239] do_new_mount+0x247/0xa40
[ 240.517959][ T5239] __se_sys_mount+0x2e3/0x3d0
[ 240.523214][ T5239] ? __x64_sys_mount+0xc0/0xc0
[ 240.528341][ T5239] ? lockdep_hardirqs_on+0x94/0x140
[ 240.533860][ T5239] ? __x64_sys_mount+0x1c/0xc0
[ 240.539080][ T5239] do_syscall_64+0x4c/0xa0
[ 240.545264][ T5239] ? clear_bhb_loop+0x30/0x80
[ 240.550526][ T5239] ? clear_bhb_loop+0x30/0x80
[ 240.557655][ T5239] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 240.564217][ T5239] RIP: 0033:0x7f61f646b60a
[ 240.569454][ T5239] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 240.595402][ T5239] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 240.605674][ T5239] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 240.616540][ T5239] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 240.624963][ T5239] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 240.634380][ T5239] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 240.643661][ T5239] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 240.652888][ T5239]
[ 240.659261][ T5239] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 240.678141][ T5239] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 240.996381][ T5241] loop1: detected capacity change from 0 to 32768
[ 241.056196][ T5241] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 241.063867][ T5241] CPU: 1 PID: 5241 Comm: syz.1.180 Not tainted syzkaller #0
[ 241.073607][ T5241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 241.085916][ T5241] Call Trace:
[ 241.089694][ T5241]
[ 241.092910][ T5241] dump_stack_lvl+0x188/0x250
[ 241.098053][ T5241] ? show_regs_print_info+0x20/0x20
[ 241.103546][ T5241] ? load_image+0x410/0x410
[ 241.108606][ T5241] sysfs_create_dir_ns+0x26a/0x290
[ 241.114710][ T5241] ? sysfs_warn_dup+0xa0/0xa0
[ 241.119813][ T5241] ? do_raw_spin_unlock+0x11d/0x230
[ 241.125600][ T5241] kobject_add_internal+0x5ba/0xcd0
[ 241.130914][ T5241] kobject_init_and_add+0x128/0x190
[ 241.136456][ T5241] ? lockdep_softirqs_off+0x430/0x430
[ 241.142376][ T5241] ? kobject_add+0x230/0x230
[ 241.147391][ T5241] ? __init_swait_queue_head+0xa4/0x140
[ 241.153325][ T5241] gfs2_sys_fs_add+0x24f/0x4b0
[ 241.158397][ T5241] ? gfs2_recover_set+0x240/0x240
[ 241.163884][ T5241] ? snprintf+0xe5/0x140
[ 241.168481][ T5241] ? __free_pages+0x95/0x1a0
[ 241.174413][ T5241] ? vscnprintf+0x80/0x80
[ 241.179063][ T5241] gfs2_fill_super+0x11ed/0x1ea0
[ 241.185113][ T5241] ? gfs2_reconfigure+0xd80/0xd80
[ 241.190549][ T5241] ? sb_set_blocksize+0xa5/0xe0
[ 241.196328][ T5241] get_tree_bdev+0x3e6/0x610
[ 241.201669][ T5241] ? gfs2_reconfigure+0xd80/0xd80
[ 241.208951][ T5241] gfs2_get_tree+0x4d/0x1e0
[ 241.214570][ T5241] vfs_get_tree+0x88/0x270
[ 241.219634][ T5241] do_new_mount+0x247/0xa40
[ 241.224979][ T5241] __se_sys_mount+0x2e3/0x3d0
[ 241.229949][ T5241] ? __x64_sys_mount+0xc0/0xc0
[ 241.236146][ T5241] ? lockdep_hardirqs_on+0x94/0x140
[ 241.242161][ T5241] ? __x64_sys_mount+0x1c/0xc0
[ 241.249853][ T5241] do_syscall_64+0x4c/0xa0
[ 241.255066][ T5241] ? clear_bhb_loop+0x30/0x80
[ 241.260410][ T5241] ? clear_bhb_loop+0x30/0x80
[ 241.265496][ T5241] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 241.271745][ T5241] RIP: 0033:0x7f61f646b60a
[ 241.276481][ T5241] 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
[ 241.298402][ T5241] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 241.308608][ T5241] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 241.318390][ T5241] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 241.327008][ T5241] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 241.336795][ T5241] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 241.345843][ T5241] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 241.354249][ T5241]
[ 241.359463][ T5241] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 241.374177][ T5241] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 241.696859][ T5243] loop1: detected capacity change from 0 to 32768
[ 241.764030][ T5243] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 241.778957][ T5243] CPU: 1 PID: 5243 Comm: syz.1.181 Not tainted syzkaller #0
[ 241.788187][ T5243] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 241.801482][ T5243] Call Trace:
[ 241.805908][ T5243]
[ 241.809071][ T5243] dump_stack_lvl+0x188/0x250
[ 241.814140][ T5243] ? show_regs_print_info+0x20/0x20
[ 241.819525][ T5243] ? load_image+0x410/0x410
[ 241.824165][ T5243] sysfs_create_dir_ns+0x26a/0x290
[ 241.829487][ T5243] ? sysfs_warn_dup+0xa0/0xa0
[ 241.834477][ T5243] ? do_raw_spin_unlock+0x11d/0x230
[ 241.840152][ T5243] kobject_add_internal+0x5ba/0xcd0
[ 241.845840][ T5243] kobject_init_and_add+0x128/0x190
[ 241.851703][ T5243] ? lockdep_softirqs_off+0x430/0x430
[ 241.857351][ T5243] ? kobject_add+0x230/0x230
[ 241.862394][ T5243] ? __init_swait_queue_head+0xa4/0x140
[ 241.868376][ T5243] gfs2_sys_fs_add+0x24f/0x4b0
[ 241.873636][ T5243] ? gfs2_recover_set+0x240/0x240
[ 241.879125][ T5243] ? snprintf+0xe5/0x140
[ 241.884060][ T5243] ? __free_pages+0x95/0x1a0
[ 241.889420][ T5243] ? vscnprintf+0x80/0x80
[ 241.894280][ T5243] gfs2_fill_super+0x11ed/0x1ea0
[ 241.901648][ T5243] ? gfs2_reconfigure+0xd80/0xd80
[ 241.907304][ T5243] ? sb_set_blocksize+0xa5/0xe0
[ 241.912571][ T5243] get_tree_bdev+0x3e6/0x610
[ 241.917972][ T5243] ? gfs2_reconfigure+0xd80/0xd80
[ 241.923459][ T5243] gfs2_get_tree+0x4d/0x1e0
[ 241.928325][ T5243] vfs_get_tree+0x88/0x270
[ 241.933089][ T5243] do_new_mount+0x247/0xa40
[ 241.939580][ T5243] __se_sys_mount+0x2e3/0x3d0
[ 241.944721][ T5243] ? __x64_sys_mount+0xc0/0xc0
[ 241.950268][ T5243] ? lockdep_hardirqs_on+0x94/0x140
[ 241.955884][ T5243] ? __x64_sys_mount+0x1c/0xc0
[ 241.960689][ T5243] do_syscall_64+0x4c/0xa0
[ 241.965498][ T5243] ? clear_bhb_loop+0x30/0x80
[ 241.970595][ T5243] ? clear_bhb_loop+0x30/0x80
[ 241.975557][ T5243] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 241.981810][ T5243] RIP: 0033:0x7f61f646b60a
[ 241.986572][ T5243] 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
[ 242.010292][ T5243] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 242.019673][ T5243] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 242.029792][ T5243] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 242.038757][ T5243] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 242.047416][ T5243] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 242.058273][ T5243] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 242.067564][ T5243]
[ 242.077619][ T5243] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 242.094083][ T5243] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 242.412418][ T5245] loop1: detected capacity change from 0 to 32768
[ 242.464452][ T5245] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 242.472276][ T5245] CPU: 0 PID: 5245 Comm: syz.1.182 Not tainted syzkaller #0
[ 242.479579][ T5245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 242.491287][ T5245] Call Trace:
[ 242.495225][ T5245]
[ 242.498405][ T5245] dump_stack_lvl+0x188/0x250
[ 242.503198][ T5245] ? show_regs_print_info+0x20/0x20
[ 242.508505][ T5245] ? load_image+0x410/0x410
[ 242.513052][ T5245] sysfs_create_dir_ns+0x26a/0x290
[ 242.518663][ T5245] ? sysfs_warn_dup+0xa0/0xa0
[ 242.523998][ T5245] ? do_raw_spin_unlock+0x11d/0x230
[ 242.529587][ T5245] kobject_add_internal+0x5ba/0xcd0
[ 242.535186][ T5245] kobject_init_and_add+0x128/0x190
[ 242.541444][ T5245] ? lockdep_softirqs_off+0x430/0x430
[ 242.547506][ T5245] ? kobject_add+0x230/0x230
[ 242.554523][ T5245] ? __init_swait_queue_head+0xa4/0x140
[ 242.561843][ T5245] gfs2_sys_fs_add+0x24f/0x4b0
[ 242.567316][ T5245] ? gfs2_recover_set+0x240/0x240
[ 242.572768][ T5245] ? snprintf+0xe5/0x140
[ 242.577675][ T5245] ? __free_pages+0x95/0x1a0
[ 242.583298][ T5245] ? vscnprintf+0x80/0x80
[ 242.588126][ T5245] gfs2_fill_super+0x11ed/0x1ea0
[ 242.594431][ T5245] ? gfs2_reconfigure+0xd80/0xd80
[ 242.600490][ T5245] ? sb_set_blocksize+0xa5/0xe0
[ 242.606148][ T5245] get_tree_bdev+0x3e6/0x610
[ 242.611816][ T5245] ? gfs2_reconfigure+0xd80/0xd80
[ 242.618000][ T5245] gfs2_get_tree+0x4d/0x1e0
[ 242.624438][ T5245] vfs_get_tree+0x88/0x270
[ 242.629511][ T5245] do_new_mount+0x247/0xa40
[ 242.635129][ T5245] __se_sys_mount+0x2e3/0x3d0
[ 242.640830][ T5245] ? __x64_sys_mount+0xc0/0xc0
[ 242.646365][ T5245] ? lockdep_hardirqs_on+0x94/0x140
[ 242.652025][ T5245] ? __x64_sys_mount+0x1c/0xc0
[ 242.657061][ T5245] do_syscall_64+0x4c/0xa0
[ 242.661751][ T5245] ? clear_bhb_loop+0x30/0x80
[ 242.667848][ T5245] ? clear_bhb_loop+0x30/0x80
[ 242.673103][ T5245] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 242.679567][ T5245] RIP: 0033:0x7f61f646b60a
[ 242.684706][ T5245] 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
[ 242.707600][ T5245] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 242.722560][ T5245] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 242.733012][ T5245] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 242.743483][ T5245] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 242.754024][ T5245] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 242.762581][ T5245] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 242.773683][ T5245]
[ 242.778725][ T5245] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 242.778985][ T4260] Bluetooth: hci1: command 0x0406 tx timeout
[ 242.795290][ T5245] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 243.110395][ T5247] loop1: detected capacity change from 0 to 32768
[ 243.130977][ T5247] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 243.139302][ T5247] CPU: 1 PID: 5247 Comm: syz.1.183 Not tainted syzkaller #0
[ 243.146915][ T5247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 243.157587][ T5247] Call Trace:
[ 243.160966][ T5247]
[ 243.163955][ T5247] dump_stack_lvl+0x188/0x250
[ 243.168829][ T5247] ? show_regs_print_info+0x20/0x20
[ 243.174308][ T5247] ? load_image+0x410/0x410
[ 243.179160][ T5247] sysfs_create_dir_ns+0x26a/0x290
[ 243.184614][ T5247] ? sysfs_warn_dup+0xa0/0xa0
[ 243.191648][ T5247] ? do_raw_spin_unlock+0x11d/0x230
[ 243.198612][ T5247] kobject_add_internal+0x5ba/0xcd0
[ 243.205784][ T5247] kobject_init_and_add+0x128/0x190
[ 243.212529][ T5247] ? lockdep_softirqs_off+0x430/0x430
[ 243.220138][ T5247] ? kobject_add+0x230/0x230
[ 243.225379][ T5247] ? __init_swait_queue_head+0xa4/0x140
[ 243.231759][ T5247] gfs2_sys_fs_add+0x24f/0x4b0
[ 243.237180][ T5247] ? gfs2_recover_set+0x240/0x240
[ 243.242351][ T5247] ? snprintf+0xe5/0x140
[ 243.247040][ T5247] ? __free_pages+0x95/0x1a0
[ 243.252945][ T5247] ? vscnprintf+0x80/0x80
[ 243.257820][ T5247] gfs2_fill_super+0x11ed/0x1ea0
[ 243.265146][ T5247] ? gfs2_reconfigure+0xd80/0xd80
[ 243.271190][ T5247] ? sb_set_blocksize+0xa5/0xe0
[ 243.276462][ T5247] get_tree_bdev+0x3e6/0x610
[ 243.281636][ T5247] ? gfs2_reconfigure+0xd80/0xd80
[ 243.287465][ T5247] gfs2_get_tree+0x4d/0x1e0
[ 243.292946][ T5247] vfs_get_tree+0x88/0x270
[ 243.297934][ T5247] do_new_mount+0x247/0xa40
[ 243.303287][ T5247] __se_sys_mount+0x2e3/0x3d0
[ 243.310342][ T5247] ? __x64_sys_mount+0xc0/0xc0
[ 243.316311][ T5247] ? lockdep_hardirqs_on+0x94/0x140
[ 243.321793][ T5247] ? __x64_sys_mount+0x1c/0xc0
[ 243.327370][ T5247] do_syscall_64+0x4c/0xa0
[ 243.332233][ T5247] ? clear_bhb_loop+0x30/0x80
[ 243.337619][ T5247] ? clear_bhb_loop+0x30/0x80
[ 243.342424][ T5247] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 243.350096][ T5247] RIP: 0033:0x7f61f646b60a
[ 243.355592][ T5247] 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
[ 243.376415][ T5247] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 243.385017][ T5247] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 243.393600][ T5247] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 243.401582][ T5247] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 243.409635][ T5247] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 243.417697][ T5247] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 243.425895][ T5247]
[ 243.435020][ T5247] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 243.450091][ T5247] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/09/25 16:57:25 executed programs: 169
[ 243.787792][ T5249] loop1: detected capacity change from 0 to 32768
[ 243.809917][ T5249] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 243.819078][ T5249] CPU: 1 PID: 5249 Comm: syz.1.184 Not tainted syzkaller #0
[ 243.827700][ T5249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 243.838035][ T5249] Call Trace:
[ 243.841587][ T5249]
[ 243.844623][ T5249] dump_stack_lvl+0x188/0x250
[ 243.849591][ T5249] ? show_regs_print_info+0x20/0x20
[ 243.855312][ T5249] ? load_image+0x410/0x410
[ 243.860120][ T5249] sysfs_create_dir_ns+0x26a/0x290
[ 243.865459][ T5249] ? sysfs_warn_dup+0xa0/0xa0
[ 243.870160][ T5249] ? do_raw_spin_unlock+0x11d/0x230
[ 243.875790][ T5249] kobject_add_internal+0x5ba/0xcd0
[ 243.881195][ T5249] kobject_init_and_add+0x128/0x190
[ 243.887218][ T5249] ? lockdep_softirqs_off+0x430/0x430
[ 243.893204][ T5249] ? kobject_add+0x230/0x230
[ 243.898447][ T5249] ? __init_swait_queue_head+0xa4/0x140
[ 243.904657][ T5249] gfs2_sys_fs_add+0x24f/0x4b0
[ 243.909763][ T5249] ? gfs2_recover_set+0x240/0x240
[ 243.915333][ T5249] ? snprintf+0xe5/0x140
[ 243.920074][ T5249] ? __free_pages+0x95/0x1a0
[ 243.925247][ T5249] ? vscnprintf+0x80/0x80
[ 243.930510][ T5249] gfs2_fill_super+0x11ed/0x1ea0
[ 243.936070][ T5249] ? gfs2_reconfigure+0xd80/0xd80
[ 243.941884][ T5249] ? sb_set_blocksize+0xa5/0xe0
[ 243.947415][ T5249] get_tree_bdev+0x3e6/0x610
[ 243.953415][ T5249] ? gfs2_reconfigure+0xd80/0xd80
[ 243.959425][ T5249] gfs2_get_tree+0x4d/0x1e0
[ 243.964387][ T5249] vfs_get_tree+0x88/0x270
[ 243.969890][ T5249] do_new_mount+0x247/0xa40
[ 243.976131][ T5249] __se_sys_mount+0x2e3/0x3d0
[ 243.981438][ T5249] ? __x64_sys_mount+0xc0/0xc0
[ 243.987289][ T5249] ? lockdep_hardirqs_on+0x94/0x140
[ 243.993204][ T5249] ? __x64_sys_mount+0x1c/0xc0
[ 243.998819][ T5249] do_syscall_64+0x4c/0xa0
[ 244.004942][ T5249] ? clear_bhb_loop+0x30/0x80
[ 244.011356][ T5249] ? clear_bhb_loop+0x30/0x80
[ 244.016612][ T5249] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 244.024364][ T5249] RIP: 0033:0x7f61f646b60a
[ 244.029421][ T5249] 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
[ 244.051880][ T5249] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 244.062421][ T5249] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 244.074317][ T5249] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 244.085877][ T5249] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 244.095422][ T5249] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 244.105835][ T5249] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 244.116401][ T5249]
[ 244.122009][ T5249] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 244.142255][ T5249] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 244.486622][ T5251] loop1: detected capacity change from 0 to 32768
[ 244.544702][ T5251] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 244.555495][ T5251] CPU: 0 PID: 5251 Comm: syz.1.185 Not tainted syzkaller #0
[ 244.563769][ T5251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 244.576213][ T5251] Call Trace:
[ 244.580247][ T5251]
[ 244.584682][ T5251] dump_stack_lvl+0x188/0x250
[ 244.591841][ T5251] ? show_regs_print_info+0x20/0x20
[ 244.597445][ T5251] ? load_image+0x410/0x410
[ 244.602597][ T5251] sysfs_create_dir_ns+0x26a/0x290
[ 244.610542][ T5251] ? sysfs_warn_dup+0xa0/0xa0
[ 244.615530][ T5251] ? do_raw_spin_unlock+0x11d/0x230
[ 244.623059][ T5251] kobject_add_internal+0x5ba/0xcd0
[ 244.629738][ T5251] kobject_init_and_add+0x128/0x190
[ 244.637614][ T5251] ? lockdep_softirqs_off+0x430/0x430
[ 244.644515][ T5251] ? kobject_add+0x230/0x230
[ 244.650635][ T5251] ? __init_swait_queue_head+0xa4/0x140
[ 244.660920][ T5251] gfs2_sys_fs_add+0x24f/0x4b0
[ 244.669089][ T5251] ? gfs2_recover_set+0x240/0x240
[ 244.676923][ T5251] ? snprintf+0xe5/0x140
[ 244.682538][ T5251] ? __free_pages+0x95/0x1a0
[ 244.687976][ T5251] ? vscnprintf+0x80/0x80
[ 244.693940][ T5251] gfs2_fill_super+0x11ed/0x1ea0
[ 244.699961][ T5251] ? gfs2_reconfigure+0xd80/0xd80
[ 244.706022][ T5251] ? sb_set_blocksize+0xa5/0xe0
[ 244.712055][ T5251] get_tree_bdev+0x3e6/0x610
[ 244.717485][ T5251] ? gfs2_reconfigure+0xd80/0xd80
[ 244.723897][ T5251] gfs2_get_tree+0x4d/0x1e0
[ 244.729276][ T5251] vfs_get_tree+0x88/0x270
[ 244.734563][ T5251] do_new_mount+0x247/0xa40
[ 244.739615][ T5251] __se_sys_mount+0x2e3/0x3d0
[ 244.745468][ T5251] ? __x64_sys_mount+0xc0/0xc0
[ 244.750837][ T5251] ? lockdep_hardirqs_on+0x94/0x140
[ 244.756942][ T5251] ? __x64_sys_mount+0x1c/0xc0
[ 244.762878][ T5251] do_syscall_64+0x4c/0xa0
[ 244.770619][ T5251] ? clear_bhb_loop+0x30/0x80
[ 244.778527][ T5251] ? clear_bhb_loop+0x30/0x80
[ 244.785886][ T5251] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 244.794201][ T5251] RIP: 0033:0x7f61f646b60a
[ 244.799996][ T5251] 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
[ 244.827764][ T5251] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 244.837067][ T5251] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 244.846207][ T5251] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 244.856111][ T5251] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 244.865114][ T5251] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 244.873656][ T5251] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 244.882433][ T5251]
[ 244.888142][ T5251] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 244.902420][ T5251] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 245.242238][ T5253] loop1: detected capacity change from 0 to 32768
[ 245.296894][ T5253] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 245.305240][ T5253] CPU: 1 PID: 5253 Comm: syz.1.186 Not tainted syzkaller #0
[ 245.313085][ T5253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 245.325370][ T5253] Call Trace:
[ 245.328851][ T5253]
[ 245.332242][ T5253] dump_stack_lvl+0x188/0x250
[ 245.337221][ T5253] ? show_regs_print_info+0x20/0x20
[ 245.344449][ T5253] ? load_image+0x410/0x410
[ 245.349545][ T5253] sysfs_create_dir_ns+0x26a/0x290
[ 245.356004][ T5253] ? sysfs_warn_dup+0xa0/0xa0
[ 245.361317][ T5253] ? do_raw_spin_unlock+0x11d/0x230
[ 245.367036][ T5253] kobject_add_internal+0x5ba/0xcd0
[ 245.372819][ T5253] kobject_init_and_add+0x128/0x190
[ 245.378139][ T5253] ? lockdep_softirqs_off+0x430/0x430
[ 245.383708][ T5253] ? kobject_add+0x230/0x230
[ 245.388964][ T5253] ? __init_swait_queue_head+0xa4/0x140
[ 245.394986][ T5253] gfs2_sys_fs_add+0x24f/0x4b0
[ 245.399897][ T5253] ? gfs2_recover_set+0x240/0x240
[ 245.405481][ T5253] ? snprintf+0xe5/0x140
[ 245.410027][ T5253] ? __free_pages+0x95/0x1a0
[ 245.414621][ T5253] ? vscnprintf+0x80/0x80
[ 245.419154][ T5253] gfs2_fill_super+0x11ed/0x1ea0
[ 245.424142][ T5253] ? gfs2_reconfigure+0xd80/0xd80
[ 245.429820][ T5253] ? sb_set_blocksize+0xa5/0xe0
[ 245.435309][ T5253] get_tree_bdev+0x3e6/0x610
[ 245.440606][ T5253] ? gfs2_reconfigure+0xd80/0xd80
[ 245.446096][ T5253] gfs2_get_tree+0x4d/0x1e0
[ 245.451219][ T5253] vfs_get_tree+0x88/0x270
[ 245.456219][ T5253] do_new_mount+0x247/0xa40
[ 245.460819][ T5253] __se_sys_mount+0x2e3/0x3d0
[ 245.465489][ T5253] ? __x64_sys_mount+0xc0/0xc0
[ 245.470961][ T5253] ? lockdep_hardirqs_on+0x94/0x140
[ 245.476763][ T5253] ? __x64_sys_mount+0x1c/0xc0
[ 245.481865][ T5253] do_syscall_64+0x4c/0xa0
[ 245.486470][ T5253] ? clear_bhb_loop+0x30/0x80
[ 245.491855][ T5253] ? clear_bhb_loop+0x30/0x80
[ 245.496680][ T5253] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 245.503094][ T5253] RIP: 0033:0x7f61f646b60a
[ 245.507682][ T5253] 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
[ 245.529385][ T5253] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 245.538879][ T5253] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 245.548318][ T5253] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 245.557841][ T5253] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 245.567206][ T5253] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 245.578890][ T5253] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 245.589098][ T5253]
[ 245.601359][ T5253] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 245.618046][ T5253] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 245.990404][ T5255] loop1: detected capacity change from 0 to 32768
[ 246.035014][ T5255] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 246.044751][ T5255] CPU: 1 PID: 5255 Comm: syz.1.187 Not tainted syzkaller #0
[ 246.054860][ T5255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 246.067224][ T5255] Call Trace:
[ 246.071165][ T5255]
[ 246.074683][ T5255] dump_stack_lvl+0x188/0x250
[ 246.080186][ T5255] ? show_regs_print_info+0x20/0x20
[ 246.087040][ T5255] ? load_image+0x410/0x410
[ 246.091983][ T5255] sysfs_create_dir_ns+0x26a/0x290
[ 246.097306][ T5255] ? sysfs_warn_dup+0xa0/0xa0
[ 246.102526][ T5255] ? do_raw_spin_unlock+0x11d/0x230
[ 246.108012][ T5255] kobject_add_internal+0x5ba/0xcd0
[ 246.113879][ T5255] kobject_init_and_add+0x128/0x190
[ 246.120437][ T5255] ? lockdep_softirqs_off+0x430/0x430
[ 246.126386][ T5255] ? kobject_add+0x230/0x230
[ 246.131094][ T5255] ? __init_swait_queue_head+0xa4/0x140
[ 246.137301][ T5255] gfs2_sys_fs_add+0x24f/0x4b0
[ 246.142340][ T5255] ? gfs2_recover_set+0x240/0x240
[ 246.147537][ T5255] ? snprintf+0xe5/0x140
[ 246.151942][ T5255] ? __free_pages+0x95/0x1a0
[ 246.156786][ T5255] ? vscnprintf+0x80/0x80
[ 246.161612][ T5255] gfs2_fill_super+0x11ed/0x1ea0
[ 246.166643][ T5255] ? gfs2_reconfigure+0xd80/0xd80
[ 246.171846][ T5255] ? sb_set_blocksize+0xa5/0xe0
[ 246.178031][ T5255] get_tree_bdev+0x3e6/0x610
[ 246.183197][ T5255] ? gfs2_reconfigure+0xd80/0xd80
[ 246.188808][ T5255] gfs2_get_tree+0x4d/0x1e0
[ 246.195384][ T5255] vfs_get_tree+0x88/0x270
[ 246.200181][ T5255] do_new_mount+0x247/0xa40
[ 246.205220][ T5255] __se_sys_mount+0x2e3/0x3d0
[ 246.211380][ T5255] ? __x64_sys_mount+0xc0/0xc0
[ 246.217444][ T5255] ? lockdep_hardirqs_on+0x94/0x140
[ 246.225426][ T5255] ? __x64_sys_mount+0x1c/0xc0
[ 246.233224][ T5255] do_syscall_64+0x4c/0xa0
[ 246.237983][ T5255] ? clear_bhb_loop+0x30/0x80
[ 246.243536][ T5255] ? clear_bhb_loop+0x30/0x80
[ 246.248813][ T5255] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 246.256292][ T5255] RIP: 0033:0x7f61f646b60a
[ 246.261114][ T5255] 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
[ 246.282039][ T5255] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 246.291877][ T5255] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 246.301073][ T5255] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 246.311305][ T5255] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 246.320758][ T5255] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 246.329845][ T5255] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 246.339261][ T5255]
[ 246.344098][ T5255] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 246.358197][ T5255] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 246.724179][ T5257] loop1: detected capacity change from 0 to 32768
[ 246.766321][ T5257] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 246.774537][ T5257] CPU: 1 PID: 5257 Comm: syz.1.188 Not tainted syzkaller #0
[ 246.782231][ T5257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 246.793446][ T5257] Call Trace:
[ 246.797234][ T5257]
[ 246.800191][ T5257] dump_stack_lvl+0x188/0x250
[ 246.805448][ T5257] ? show_regs_print_info+0x20/0x20
[ 246.811192][ T5257] ? load_image+0x410/0x410
[ 246.816722][ T5257] sysfs_create_dir_ns+0x26a/0x290
[ 246.822089][ T5257] ? sysfs_warn_dup+0xa0/0xa0
[ 246.826986][ T5257] ? do_raw_spin_unlock+0x11d/0x230
[ 246.832675][ T5257] kobject_add_internal+0x5ba/0xcd0
[ 246.838172][ T5257] kobject_init_and_add+0x128/0x190
[ 246.843491][ T5257] ? lockdep_softirqs_off+0x430/0x430
[ 246.849335][ T5257] ? kobject_add+0x230/0x230
[ 246.854395][ T5257] ? __init_swait_queue_head+0xa4/0x140
[ 246.860500][ T5257] gfs2_sys_fs_add+0x24f/0x4b0
[ 246.865752][ T5257] ? gfs2_recover_set+0x240/0x240
[ 246.871133][ T5257] ? snprintf+0xe5/0x140
[ 246.876556][ T5257] ? __free_pages+0x95/0x1a0
[ 246.884121][ T5257] ? vscnprintf+0x80/0x80
[ 246.888909][ T5257] gfs2_fill_super+0x11ed/0x1ea0
[ 246.895754][ T5257] ? gfs2_reconfigure+0xd80/0xd80
[ 246.903402][ T5257] ? sb_set_blocksize+0xa5/0xe0
[ 246.914338][ T5257] get_tree_bdev+0x3e6/0x610
[ 246.922392][ T5257] ? gfs2_reconfigure+0xd80/0xd80
[ 246.930064][ T5257] gfs2_get_tree+0x4d/0x1e0
[ 246.939338][ T5257] vfs_get_tree+0x88/0x270
[ 246.944373][ T5257] do_new_mount+0x247/0xa40
[ 246.949789][ T5257] __se_sys_mount+0x2e3/0x3d0
[ 246.955296][ T5257] ? __x64_sys_mount+0xc0/0xc0
[ 246.960864][ T5257] ? lockdep_hardirqs_on+0x94/0x140
[ 246.966756][ T5257] ? __x64_sys_mount+0x1c/0xc0
[ 246.973178][ T5257] do_syscall_64+0x4c/0xa0
[ 246.979110][ T5257] ? clear_bhb_loop+0x30/0x80
[ 246.987289][ T5257] ? clear_bhb_loop+0x30/0x80
[ 246.995590][ T5257] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 247.003885][ T5257] RIP: 0033:0x7f61f646b60a
[ 247.012300][ T5257] 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
[ 247.038729][ T5257] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 247.049105][ T5257] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 247.061176][ T5257] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 247.080492][ T5257] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 247.097837][ T5257] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 247.110590][ T5257] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 247.124716][ T5257]
[ 247.130053][ T5257] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 247.148682][ T5257] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 247.473691][ T5259] loop1: detected capacity change from 0 to 32768
[ 247.518813][ T5259] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 247.531323][ T5259] CPU: 0 PID: 5259 Comm: syz.1.189 Not tainted syzkaller #0
[ 247.541286][ T5259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 247.553638][ T5259] Call Trace:
[ 247.557322][ T5259]
[ 247.560535][ T5259] dump_stack_lvl+0x188/0x250
[ 247.566549][ T5259] ? show_regs_print_info+0x20/0x20
[ 247.572256][ T5259] ? load_image+0x410/0x410
[ 247.577636][ T5259] sysfs_create_dir_ns+0x26a/0x290
[ 247.583673][ T5259] ? sysfs_warn_dup+0xa0/0xa0
[ 247.588851][ T5259] ? do_raw_spin_unlock+0x11d/0x230
[ 247.596269][ T5259] kobject_add_internal+0x5ba/0xcd0
[ 247.603035][ T5259] kobject_init_and_add+0x128/0x190
[ 247.609131][ T5259] ? lockdep_softirqs_off+0x430/0x430
[ 247.615322][ T5259] ? kobject_add+0x230/0x230
[ 247.620119][ T5259] ? __init_swait_queue_head+0xa4/0x140
[ 247.627135][ T5259] gfs2_sys_fs_add+0x24f/0x4b0
[ 247.632812][ T5259] ? gfs2_recover_set+0x240/0x240
[ 247.638615][ T5259] ? snprintf+0xe5/0x140
[ 247.645119][ T5259] ? __free_pages+0x95/0x1a0
[ 247.650720][ T5259] ? vscnprintf+0x80/0x80
[ 247.656004][ T5259] gfs2_fill_super+0x11ed/0x1ea0
[ 247.662048][ T5259] ? gfs2_reconfigure+0xd80/0xd80
[ 247.668703][ T5259] ? sb_set_blocksize+0xa5/0xe0
[ 247.675944][ T5259] get_tree_bdev+0x3e6/0x610
[ 247.680953][ T5259] ? gfs2_reconfigure+0xd80/0xd80
[ 247.686437][ T5259] gfs2_get_tree+0x4d/0x1e0
[ 247.692091][ T5259] vfs_get_tree+0x88/0x270
[ 247.697228][ T5259] do_new_mount+0x247/0xa40
[ 247.702911][ T5259] __se_sys_mount+0x2e3/0x3d0
[ 247.708790][ T5259] ? __x64_sys_mount+0xc0/0xc0
[ 247.714345][ T5259] ? lockdep_hardirqs_on+0x94/0x140
[ 247.720948][ T5259] ? __x64_sys_mount+0x1c/0xc0
[ 247.726657][ T5259] do_syscall_64+0x4c/0xa0
[ 247.732357][ T5259] ? clear_bhb_loop+0x30/0x80
[ 247.737417][ T5259] ? clear_bhb_loop+0x30/0x80
[ 247.742678][ T5259] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 247.749314][ T5259] RIP: 0033:0x7f61f646b60a
[ 247.754460][ T5259] 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
[ 247.778685][ T5259] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 247.790239][ T5259] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 247.800705][ T5259] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 247.810836][ T5259] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 247.821386][ T5259] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 247.829739][ T5259] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 247.840417][ T5259]
[ 247.845625][ T5259] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 247.863952][ T5259] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 248.183944][ T5261] loop1: detected capacity change from 0 to 32768
[ 248.196339][ T5261] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 248.204150][ T5261] CPU: 0 PID: 5261 Comm: syz.1.190 Not tainted syzkaller #0
[ 248.211566][ T5261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 248.225577][ T5261] Call Trace:
[ 248.230494][ T5261]
[ 248.233456][ T5261] dump_stack_lvl+0x188/0x250
[ 248.238367][ T5261] ? show_regs_print_info+0x20/0x20
[ 248.245410][ T5261] ? load_image+0x410/0x410
[ 248.250609][ T5261] sysfs_create_dir_ns+0x26a/0x290
[ 248.256420][ T5261] ? sysfs_warn_dup+0xa0/0xa0
[ 248.262217][ T5261] ? do_raw_spin_unlock+0x11d/0x230
[ 248.268112][ T5261] kobject_add_internal+0x5ba/0xcd0
[ 248.273851][ T5261] kobject_init_and_add+0x128/0x190
[ 248.279314][ T5261] ? lockdep_softirqs_off+0x430/0x430
[ 248.285033][ T5261] ? kobject_add+0x230/0x230
[ 248.290569][ T5261] ? __init_swait_queue_head+0xa4/0x140
[ 248.299618][ T5261] gfs2_sys_fs_add+0x24f/0x4b0
[ 248.306387][ T5261] ? gfs2_recover_set+0x240/0x240
[ 248.313354][ T5261] ? snprintf+0xe5/0x140
[ 248.317719][ T5261] ? __free_pages+0x95/0x1a0
[ 248.323206][ T5261] ? vscnprintf+0x80/0x80
[ 248.327824][ T5261] gfs2_fill_super+0x11ed/0x1ea0
[ 248.334388][ T5261] ? gfs2_reconfigure+0xd80/0xd80
[ 248.341583][ T5261] ? sb_set_blocksize+0xa5/0xe0
[ 248.347545][ T5261] get_tree_bdev+0x3e6/0x610
[ 248.355592][ T5261] ? gfs2_reconfigure+0xd80/0xd80
[ 248.360990][ T5261] gfs2_get_tree+0x4d/0x1e0
[ 248.366272][ T5261] vfs_get_tree+0x88/0x270
[ 248.371086][ T5261] do_new_mount+0x247/0xa40
[ 248.376117][ T5261] __se_sys_mount+0x2e3/0x3d0
[ 248.382577][ T5261] ? __x64_sys_mount+0xc0/0xc0
[ 248.387529][ T5261] ? lockdep_hardirqs_on+0x94/0x140
[ 248.392895][ T5261] ? __x64_sys_mount+0x1c/0xc0
[ 248.398755][ T5261] do_syscall_64+0x4c/0xa0
[ 248.403412][ T5261] ? clear_bhb_loop+0x30/0x80
[ 248.409132][ T5261] ? clear_bhb_loop+0x30/0x80
[ 248.415015][ T5261] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 248.421723][ T5261] RIP: 0033:0x7f61f646b60a
[ 248.426625][ T5261] 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
[ 248.449731][ T5261] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 248.460100][ T5261] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 248.470139][ T5261] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 248.481041][ T5261] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 248.490465][ T5261] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 248.499101][ T5261] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 248.507474][ T5261]
[ 248.513126][ T5261] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 248.527726][ T5261] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/09/25 16:57:30 executed programs: 176
[ 248.846412][ T5263] loop1: detected capacity change from 0 to 32768
[ 248.917002][ T5263] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 248.926838][ T27] INFO: task syz.0.17:4886 blocked for more than 143 seconds.
[ 248.935520][ T27] Not tainted syzkaller #0
[ 248.941404][ T5263] CPU: 1 PID: 5263 Comm: syz.1.191 Not tainted syzkaller #0
[ 248.949859][ T5263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 248.961064][ T5263] Call Trace:
[ 248.964469][ T5263]
[ 248.964724][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 248.967855][ T5263] dump_stack_lvl+0x188/0x250
[ 248.967885][ T5263] ? show_regs_print_info+0x20/0x20
[ 248.967902][ T5263] ? load_image+0x410/0x410
[ 248.967926][ T5263] sysfs_create_dir_ns+0x26a/0x290
[ 248.967945][ T5263] ? sysfs_warn_dup+0xa0/0xa0
[ 248.967968][ T5263] ? do_raw_spin_unlock+0x11d/0x230
[ 248.967989][ T5263] kobject_add_internal+0x5ba/0xcd0
[ 248.981590][ T27] task:syz.0.17 state:D
[ 248.984203][ T5263] kobject_init_and_add+0x128/0x190
[ 248.990705][ T27] stack:24304 pid: 4886 ppid: 4787 flags:0x00004004
[ 248.996378][ T5263] ? lockdep_softirqs_off+0x430/0x430
[ 248.996406][ T5263] ? kobject_add+0x230/0x230
[ 248.996423][ T5263] ? __init_swait_queue_head+0xa4/0x140
[ 248.996437][ T5263] gfs2_sys_fs_add+0x24f/0x4b0
[ 248.996450][ T5263] ? gfs2_recover_set+0x240/0x240
[ 248.996460][ T5263] ? snprintf+0xe5/0x140
[ 248.996470][ T5263] ? __free_pages+0x95/0x1a0
[ 248.996497][ T5263] ? vscnprintf+0x80/0x80
[ 248.996522][ T5263] gfs2_fill_super+0x11ed/0x1ea0
[ 248.996544][ T5263] ? gfs2_reconfigure+0xd80/0xd80
[ 248.996572][ T5263] ? sb_set_blocksize+0xa5/0xe0
[ 248.996591][ T5263] get_tree_bdev+0x3e6/0x610
[ 248.996609][ T5263] ? gfs2_reconfigure+0xd80/0xd80
[ 248.996626][ T5263] gfs2_get_tree+0x4d/0x1e0
[ 248.996643][ T5263] vfs_get_tree+0x88/0x270
[ 248.996660][ T5263] do_new_mount+0x247/0xa40
[ 248.996682][ T5263] __se_sys_mount+0x2e3/0x3d0
[ 248.996702][ T5263] ? __x64_sys_mount+0xc0/0xc0
[ 248.996723][ T5263] ? lockdep_hardirqs_on+0x94/0x140
[ 248.996740][ T5263] ? __x64_sys_mount+0x1c/0xc0
[ 248.996759][ T5263] do_syscall_64+0x4c/0xa0
[ 248.996774][ T5263] ? clear_bhb_loop+0x30/0x80
[ 248.996792][ T5263] ? clear_bhb_loop+0x30/0x80
[ 248.996809][ T5263] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 249.005083][ T27] Call Trace:
[ 249.011235][ T5263] RIP: 0033:0x7f61f646b60a
[ 249.011266][ T5263] 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
[ 249.011279][ T5263] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 249.011299][ T5263] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 249.021517][ T27]
[ 249.025455][ T5263] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 249.031111][ T27] __schedule+0x11c3/0x4350
[ 249.036750][ T5263] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 249.036781][ T5263] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 249.036791][ T5263] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 249.036820][ T5263]
[ 249.041827][ T5263] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 249.070217][ T27] ? mark_lock+0x94/0x320
[ 249.079576][ T5263] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 249.096084][ T27] ? lock_chain_count+0x20/0x20
[ 249.338919][ T27] ? release_firmware_map_entry+0x190/0x190
[ 249.347485][ T27] ? _raw_spin_unlock_irqrestore+0x82/0x120
[ 249.359258][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 249.367122][ T27] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 249.375903][ T27] schedule+0x11b/0x1e0
[ 249.380804][ T27] bit_wait+0xd/0xc0
[ 249.385200][ T27] out_of_line_wait_on_bit+0x173/0x230
[ 249.392061][ T27] ? out_of_line_wait_on_bit_lock+0x190/0x190
[ 249.399984][ T27] ? __wait_on_bit+0x170/0x170
[ 249.405538][ T27] ? bit_waitqueue+0x30/0x30
[ 249.410959][ T27] gfs2_glock_wait+0xd9/0x1c0
[ 249.416382][ T27] gfs2_statfs_init+0x124/0x4e0
[ 249.421920][ T27] ? gfs2_glock_wait+0x136/0x1c0
[ 249.428795][ T27] ? gfs2_statfs_change_out+0xe0/0xe0
[ 249.434845][ T27] ? init_per_node+0x2c9/0x3e0
[ 249.440837][ T27] ? gfs2_statfs_init+0x11c/0x4e0
[ 249.447711][ T27] ? init_inodes+0x26a/0x320
[ 249.453629][ T27] gfs2_fill_super+0x16bb/0x1ea0
[ 249.458839][ T27] ? gfs2_reconfigure+0xd80/0xd80
[ 249.465240][ T27] ? gfs2_glock_nq_num+0x7e/0x1b0
[ 249.470576][ T27] ? sb_set_blocksize+0xa5/0xe0
[ 249.475988][ T27] get_tree_bdev+0x3e6/0x610
[ 249.481110][ T27] ? gfs2_reconfigure+0xd80/0xd80
[ 249.486882][ T27] gfs2_get_tree+0x4d/0x1e0
[ 249.491853][ T27] vfs_get_tree+0x88/0x270
[ 249.496356][ T27] do_new_mount+0x247/0xa40
[ 249.500921][ T27] __se_sys_mount+0x2e3/0x3d0
[ 249.506392][ T27] ? __x64_sys_mount+0xc0/0xc0
[ 249.511378][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 249.517013][ T27] ? __x64_sys_mount+0x1c/0xc0
[ 249.522708][ T27] do_syscall_64+0x4c/0xa0
[ 249.527964][ T27] ? clear_bhb_loop+0x30/0x80
[ 249.534804][ T27] ? clear_bhb_loop+0x30/0x80
[ 249.541282][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 249.548430][ T27] RIP: 0033:0x7f159fedc60a
[ 249.553563][ T27] RSP: 002b:00007f159f53ee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 249.563091][ T27] RAX: ffffffffffffffda RBX: 00007f159f53eee0 RCX: 00007f159fedc60a
[ 249.574129][ T27] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f159f53eea0
[ 249.585571][ T27] RBP: 0000200000000400 R08: 00007f159f53eee0 R09: 0000000000000000
[ 249.596176][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 249.606756][ T27] R13: 00007f159f53eea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 249.615995][ T27]
[ 249.619632][ T27]
[ 249.619632][ T27] Showing all locks held in the system:
[ 249.627954][ T27] 1 lock held by khungtaskd/27:
[ 249.633196][ T27] #0: ffffffff8c31ef60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 249.643471][ T27] 2 locks held by getty/3941:
[ 249.648484][ T27] #0: ffff88802c804098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 249.659461][ T27] #1: ffffc900026562e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x594/0x1a50
[ 249.671191][ T27] 1 lock held by syz.0.17/4886:
[ 249.676668][ T27] #0: ffff8880744500e0 (&type->s_umount_key#53/1){+.+.}-{3:3}, at: alloc_super+0x200/0x970
[ 249.688290][ T27] 1 lock held by syz-executor/4892:
[ 249.694617][ T27] #0: ffff8880207aa118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x162/0xa50
[ 249.707023][ T27] 2 locks held by udevd/4899:
[ 249.712496][ T27] #0: ffff8880207aa118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf1/0x780
[ 249.723033][ T27] #1: ffff8880208bf468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xa9/0xb50
[ 249.733992][ T27]
[ 249.737349][ T27] =============================================
[ 249.737349][ T27]
[ 249.747970][ T27] NMI backtrace for cpu 0
[ 249.752534][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 249.760344][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 249.771110][ T27] Call Trace:
[ 249.774402][ T27]
[ 249.777462][ T27] dump_stack_lvl+0x188/0x250
[ 249.782205][ T27] ? show_regs_print_info+0x20/0x20
[ 249.788233][ T27] ? load_image+0x410/0x410
[ 249.793298][ T27] ? tick_nohz_tick_stopped+0x7b/0xb0
[ 249.799880][ T27] ? nmi_cpu_backtrace+0x1b2/0x3d0
[ 249.807656][ T27] nmi_cpu_backtrace+0x3a2/0x3d0
[ 249.813714][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 249.820697][ T27] ? _printk+0xda/0x130
[ 249.825223][ T27] ? load_image+0x410/0x410
[ 249.829833][ T27] ? load_image+0x410/0x410
[ 249.834612][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 249.841297][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 249.848533][ T27] watchdog+0xe1b/0xe60
[ 249.853682][ T27] kthread+0x42e/0x520
[ 249.858421][ T27] ? hungtask_pm_notify+0x40/0x40
[ 249.864780][ T27] ? kthread_blkcg+0xd0/0xd0
[ 249.870770][ T27] ret_from_fork+0x1f/0x30
[ 249.876141][ T27]
[ 249.880269][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 249.886671][ C1] NMI backtrace for cpu 1
[ 249.886686][ C1] CPU: 1 PID: 4690 Comm: kworker/u4:5 Not tainted syzkaller #0
[ 249.886702][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 249.886712][ C1] Workqueue: events_unbound cfg80211_wiphy_work
[ 249.886735][ C1] RIP: 0010:kasan_check_range+0x1b0/0x290
[ 249.886757][ C1] Code: f3 4d 01 f3 49 89 df 49 8d 5f 07 4d 85 ff 49 0f 49 df 48 83 e3 f8 49 29 df 74 0e 41 80 3b 00 75 69 49 ff c3 49 ff cf 75 f2 5b <41> 5c 41 5e 41 5f 5d c3 45 84 ff 0f 85 91 00 00 00 41 f7 c7 00 ff
[ 249.886770][ C1] RSP: 0000:ffffc90002faf510 EFLAGS: 00000256
[ 249.886782][ C1] RAX: 0000000000000001 RBX: 0000000000000028 RCX: ffffffff8930a7b4
[ 249.886793][ C1] RDX: 0000000000000000 RSI: 0000000000000028 RDI: ffff88805c9bb874
[ 249.886803][ C1] RBP: ffffc90002faf810 R08: ffff88805c9bb89b R09: 1ffff1100b937713
[ 249.886815][ C1] R10: dffffc0000000000 R11: ffffed100b937714 R12: dffffc0000000001
[ 249.886827][ C1] R13: dffffc0000000000 R14: 1ffff1100b93770e R15: 0000000000000006
[ 249.886838][ C1] FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
[ 249.886851][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 249.886862][ C1] CR2: 00007f61ed891000 CR3: 000000001f0e1000 CR4: 00000000003506e0
[ 249.886876][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 249.886885][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 249.886894][ C1] Call Trace:
[ 249.886898][ C1]
[ 249.886903][ C1] ? cfg80211_inform_bss_frame_data+0x654/0x1ed0
[ 249.886920][ C1] memcpy+0x25/0x60
[ 249.886932][ C1] cfg80211_inform_bss_frame_data+0x654/0x1ed0
[ 249.886950][ C1] ? psi_poll_worker+0x694/0x9e0
[ 249.886968][ C1] ? cfg80211_parse_mbssid_data+0x30e0/0x30e0
[ 249.886988][ C1] ? __lock_acquire+0x7b50/0x7b50
[ 249.887011][ C1] ieee80211_bss_info_update+0x6ba/0xa80
[ 249.887034][ C1] ? ieee80211_rx_bss_put+0x60/0x60
[ 249.887055][ C1] ? ieee80211_mandatory_rates+0x1c8/0x230
[ 249.887074][ C1] ieee80211_ibss_rx_queued_mgmt+0x1763/0x2b50
[ 249.887100][ C1] ? mark_lock+0x94/0x320
[ 249.887114][ C1] ? ieee80211_ibss_rx_no_sta+0x750/0x750
[ 249.887129][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 249.887148][ C1] ? lock_chain_count+0x20/0x20
[ 249.887164][ C1] ? __rwlock_init+0x140/0x140
[ 249.887180][ C1] ? kcov_remote_start+0x135/0x5e0
[ 249.887195][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 249.887215][ C1] ieee80211_iface_work+0x714/0xc50
[ 249.887231][ C1] ? _raw_spin_unlock_irq+0x1f/0x40
[ 249.887250][ C1] cfg80211_wiphy_work+0x224/0x260
[ 249.887268][ C1] process_one_work+0x867/0xff0
[ 249.887291][ C1] ? worker_detach_from_pool+0x240/0x240
[ 249.887306][ C1] ? lockdep_hardirqs_off+0x70/0x100
[ 249.887323][ C1] ? _raw_spin_lock_irq+0xb7/0xf0
[ 249.887338][ C1] ? _raw_spin_lock_irqsave+0x100/0x100
[ 249.887354][ C1] ? wq_worker_running+0x97/0x170
[ 249.887369][ C1] worker_thread+0xad7/0x12a0
[ 249.887391][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 249.887535][ C1] kthread+0x42e/0x520
[ 249.887549][ C1] ? rcu_lock_release+0x20/0x20
[ 249.887562][ C1] ? kthread_blkcg+0xd0/0xd0
[ 249.887575][ C1] ret_from_fork+0x1f/0x30
[ 249.887597][ C1]
[ 249.895393][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 250.134386][ T5265] loop1: detected capacity change from 0 to 32768
[ 250.137788][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 250.137807][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 250.137816][ T27] Call Trace:
[ 250.137825][ T27]
[ 250.137832][ T27] dump_stack_lvl+0x188/0x250
[ 250.160677][ T5265] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 250.165772][ T27] ? show_regs_print_info+0x20/0x20
[ 250.314607][ T27] ? load_image+0x410/0x410
[ 250.319398][ T27] panic+0x2f8/0x850
[ 250.323295][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 250.329714][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 250.334751][ T27] ? __irq_work_queue_local+0x12c/0x190
[ 250.340838][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 250.347918][ T27] watchdog+0xe5a/0xe60
[ 250.352728][ T27] kthread+0x42e/0x520
[ 250.356987][ T27] ? hungtask_pm_notify+0x40/0x40
[ 250.362540][ T27] ? kthread_blkcg+0xd0/0xd0
[ 250.367221][ T27] ret_from_fork+0x1f/0x30
[ 250.372143][ T27]
[ 250.375467][ T5265] CPU: 1 PID: 5265 Comm: syz.1.192 Not tainted syzkaller #0
[ 250.382859][ T5265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 250.393356][ T5265] Call Trace:
[ 250.396948][ T5265]
[ 250.400315][ T5265] dump_stack_lvl+0x188/0x250
[ 250.405715][ T5265] ? show_regs_print_info+0x20/0x20
[ 250.411196][ T5265] ? load_image+0x410/0x410
[ 250.415723][ T5265] sysfs_create_dir_ns+0x26a/0x290
[ 250.421013][ T5265] ? sysfs_warn_dup+0xa0/0xa0
[ 250.426207][ T5265] ? do_raw_spin_unlock+0x11d/0x230
[ 250.431915][ T5265] kobject_add_internal+0x5ba/0xcd0
[ 250.437534][ T5265] kobject_init_and_add+0x128/0x190
[ 250.442825][ T5265] ? lockdep_softirqs_off+0x430/0x430
[ 250.448834][ T5265] ? kobject_add+0x230/0x230
[ 250.454985][ T5265] ? __init_swait_queue_head+0xa4/0x140
[ 250.460780][ T5265] gfs2_sys_fs_add+0x24f/0x4b0
[ 250.466052][ T5265] ? gfs2_recover_set+0x240/0x240
[ 250.471312][ T5265] ? snprintf+0xe5/0x140
[ 250.477030][ T5265] ? __free_pages+0x95/0x1a0
[ 250.481922][ T5265] ? vscnprintf+0x80/0x80
[ 250.487593][ T5265] gfs2_fill_super+0x11ed/0x1ea0
[ 250.493256][ T5265] ? gfs2_reconfigure+0xd80/0xd80
[ 250.498425][ T5265] ? sb_set_blocksize+0xa5/0xe0
[ 250.504585][ T5265] get_tree_bdev+0x3e6/0x610
[ 250.510537][ T5265] ? gfs2_reconfigure+0xd80/0xd80
[ 250.516149][ T5265] gfs2_get_tree+0x4d/0x1e0
[ 250.521212][ T5265] vfs_get_tree+0x88/0x270
[ 250.526116][ T5265] do_new_mount+0x247/0xa40
[ 250.531542][ T5265] __se_sys_mount+0x2e3/0x3d0
[ 250.537725][ T5265] ? __x64_sys_mount+0xc0/0xc0
[ 250.543038][ T5265] ? lockdep_hardirqs_on+0x94/0x140
[ 250.550750][ T5265] ? __x64_sys_mount+0x1c/0xc0
[ 250.558264][ T5265] do_syscall_64+0x4c/0xa0
[ 250.563425][ T5265] ? clear_bhb_loop+0x30/0x80
[ 250.569173][ T5265] ? clear_bhb_loop+0x30/0x80
[ 250.575109][ T5265] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 250.583164][ T5265] RIP: 0033:0x7f61f646b60a
[ 250.588496][ T5265] 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
[ 250.611629][ T5265] RSP: 002b:00007f61f5acde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 250.622769][ T5265] RAX: ffffffffffffffda RBX: 00007f61f5acdee0 RCX: 00007f61f646b60a
[ 250.632481][ T5265] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f61f5acdea0
[ 250.642910][ T5265] RBP: 0000200000000400 R08: 00007f61f5acdee0 R09: 0000000000000000
[ 250.651770][ T5265] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 250.661045][ T5265] R13: 00007f61f5acdea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 250.670979][ T5265]
[ 250.674614][ T27] Kernel Offset: disabled
[ 250.680471][ T27] Rebooting in 86400 seconds..