unt+0x1c/0xc0
[ 237.401983][ T5526] do_syscall_64+0x4c/0xa0
[ 237.406409][ T5526] ? clear_bhb_loop+0x30/0x80
[ 237.411262][ T5526] ? clear_bhb_loop+0x30/0x80
[ 237.416280][ T5526] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 237.422575][ T5526] RIP: 0033:0x7f3f0c313a8a
[ 237.427562][ T5526] 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
[ 237.447514][ T5526] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 237.456186][ T5526] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 237.464497][ T5526] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 237.472858][ T5526] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 237.480831][ T5526] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 237.488945][ T5526] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 237.497705][ T5526]
[ 237.507406][ T5526] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 237.521504][ T5526] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 237.861273][ T5528] loop1: detected capacity change from 0 to 32768
[ 237.910839][ T5528] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 237.921762][ T5528] CPU: 0 PID: 5528 Comm: syz.1.176 Not tainted syzkaller #0
[ 237.929264][ T5528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 237.939512][ T5528] Call Trace:
[ 237.942920][ T5528]
[ 237.946041][ T5528] dump_stack_lvl+0x188/0x250
[ 237.950777][ T5528] ? show_regs_print_info+0x20/0x20
[ 237.956005][ T5528] ? load_image+0x410/0x410
[ 237.960622][ T5528] sysfs_create_dir_ns+0x26a/0x290
[ 237.965749][ T5528] ? sysfs_warn_dup+0xa0/0xa0
[ 237.970559][ T5528] ? do_raw_spin_unlock+0x11d/0x230
[ 237.975806][ T5528] kobject_add_internal+0x5ba/0xcd0
[ 237.981038][ T5528] kobject_init_and_add+0x128/0x190
[ 237.986742][ T5528] ? lockdep_softirqs_off+0x430/0x430
[ 237.992238][ T5528] ? kobject_add+0x230/0x230
[ 237.997069][ T5528] ? __init_swait_queue_head+0xa4/0x140
[ 238.002842][ T5528] gfs2_sys_fs_add+0x24f/0x4b0
[ 238.008021][ T5528] ? gfs2_recover_set+0x240/0x240
[ 238.013911][ T5528] ? snprintf+0xe5/0x140
[ 238.019574][ T5528] ? __free_pages+0x95/0x1a0
[ 238.024535][ T5528] ? vscnprintf+0x80/0x80
[ 238.029437][ T5528] gfs2_fill_super+0x11ed/0x1ea0
[ 238.034502][ T5528] ? gfs2_reconfigure+0xd80/0xd80
[ 238.039708][ T5528] ? sb_set_blocksize+0xa5/0xe0
[ 238.044755][ T5528] get_tree_bdev+0x3e6/0x610
[ 238.049354][ T5528] ? gfs2_reconfigure+0xd80/0xd80
[ 238.054489][ T5528] gfs2_get_tree+0x4d/0x1e0
[ 238.059088][ T5528] vfs_get_tree+0x88/0x270
[ 238.064074][ T5528] do_new_mount+0x247/0xa40
[ 238.068852][ T5528] __se_sys_mount+0x2e3/0x3d0
[ 238.074091][ T5528] ? __x64_sys_mount+0xc0/0xc0
[ 238.079523][ T5528] ? lockdep_hardirqs_on+0x94/0x140
[ 238.085745][ T5528] ? __x64_sys_mount+0x1c/0xc0
[ 238.090698][ T5528] do_syscall_64+0x4c/0xa0
[ 238.095310][ T5528] ? clear_bhb_loop+0x30/0x80
[ 238.099998][ T5528] ? clear_bhb_loop+0x30/0x80
[ 238.105323][ T5528] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 238.111940][ T5528] RIP: 0033:0x7f3f0c313a8a
[ 238.116580][ T5528] 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
[ 238.137185][ T5528] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 238.145724][ T5528] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 238.154164][ T5528] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 238.162636][ T5528] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 238.170680][ T5528] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 238.178871][ T5528] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 238.187025][ T5528]
[ 238.191245][ T5528] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 238.204851][ T5528] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/07/19 20:32:30 executed programs: 162
[ 238.519669][ T5530] loop1: detected capacity change from 0 to 32768
[ 238.576260][ T5530] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 238.584042][ T5530] CPU: 1 PID: 5530 Comm: syz.1.177 Not tainted syzkaller #0
[ 238.591528][ T5530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 238.602168][ T5530] Call Trace:
[ 238.605559][ T5530]
[ 238.608497][ T5530] dump_stack_lvl+0x188/0x250
[ 238.613423][ T5530] ? show_regs_print_info+0x20/0x20
[ 238.619000][ T5530] ? load_image+0x410/0x410
[ 238.623893][ T5530] sysfs_create_dir_ns+0x26a/0x290
[ 238.629282][ T5530] ? sysfs_warn_dup+0xa0/0xa0
[ 238.634117][ T5530] ? do_raw_spin_unlock+0x11d/0x230
[ 238.639337][ T5530] kobject_add_internal+0x5ba/0xcd0
[ 238.644790][ T5530] kobject_init_and_add+0x128/0x190
[ 238.650010][ T5530] ? lockdep_softirqs_off+0x430/0x430
[ 238.655397][ T5530] ? kobject_add+0x230/0x230
[ 238.660279][ T5530] ? __init_swait_queue_head+0xa4/0x140
[ 238.665950][ T5530] gfs2_sys_fs_add+0x24f/0x4b0
[ 238.670968][ T5530] ? gfs2_recover_set+0x240/0x240
[ 238.676085][ T5530] ? snprintf+0xe5/0x140
[ 238.680609][ T5530] ? __free_pages+0x95/0x1a0
[ 238.685384][ T5530] ? vscnprintf+0x80/0x80
[ 238.689836][ T5530] gfs2_fill_super+0x11ed/0x1ea0
[ 238.695061][ T5530] ? gfs2_reconfigure+0xd80/0xd80
[ 238.700374][ T5530] ? sb_set_blocksize+0xa5/0xe0
[ 238.705441][ T5530] get_tree_bdev+0x3e6/0x610
[ 238.710032][ T5530] ? gfs2_reconfigure+0xd80/0xd80
[ 238.715054][ T5530] gfs2_get_tree+0x4d/0x1e0
[ 238.719765][ T5530] vfs_get_tree+0x88/0x270
[ 238.724287][ T5530] do_new_mount+0x247/0xa40
[ 238.728919][ T5530] __se_sys_mount+0x2e3/0x3d0
[ 238.733726][ T5530] ? __x64_sys_mount+0xc0/0xc0
[ 238.738825][ T5530] ? lockdep_hardirqs_on+0x94/0x140
[ 238.744543][ T5530] ? __x64_sys_mount+0x1c/0xc0
[ 238.750454][ T5530] do_syscall_64+0x4c/0xa0
[ 238.754974][ T5530] ? clear_bhb_loop+0x30/0x80
[ 238.760179][ T5530] ? clear_bhb_loop+0x30/0x80
[ 238.765495][ T5530] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 238.771415][ T5530] RIP: 0033:0x7f3f0c313a8a
[ 238.776059][ T5530] 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
[ 238.796484][ T5530] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 238.805255][ T5530] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 238.813336][ T5530] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 238.821562][ T5530] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 238.829700][ T5530] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 238.838800][ T5530] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 238.846863][ T5530]
[ 238.851485][ T5530] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 238.864841][ T5530] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 239.211412][ T5532] loop1: detected capacity change from 0 to 32768
[ 239.275567][ T5532] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 239.283121][ T5532] CPU: 1 PID: 5532 Comm: syz.1.178 Not tainted syzkaller #0
[ 239.290701][ T5532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 239.300943][ T5532] Call Trace:
[ 239.304238][ T5532]
[ 239.307485][ T5532] dump_stack_lvl+0x188/0x250
[ 239.312190][ T5532] ? show_regs_print_info+0x20/0x20
[ 239.317411][ T5532] ? load_image+0x410/0x410
[ 239.322314][ T5532] sysfs_create_dir_ns+0x26a/0x290
[ 239.327617][ T5532] ? sysfs_warn_dup+0xa0/0xa0
[ 239.332848][ T5532] ? do_raw_spin_unlock+0x11d/0x230
[ 239.338067][ T5532] kobject_add_internal+0x5ba/0xcd0
[ 239.343290][ T5532] kobject_init_and_add+0x128/0x190
[ 239.348588][ T5532] ? lockdep_softirqs_off+0x430/0x430
[ 239.354461][ T5532] ? kobject_add+0x230/0x230
[ 239.359347][ T5532] ? __init_swait_queue_head+0xa4/0x140
[ 239.365142][ T5532] gfs2_sys_fs_add+0x24f/0x4b0
[ 239.370317][ T5532] ? gfs2_recover_set+0x240/0x240
[ 239.375614][ T5532] ? snprintf+0xe5/0x140
[ 239.380031][ T5532] ? __free_pages+0x95/0x1a0
[ 239.385126][ T5532] ? vscnprintf+0x80/0x80
[ 239.389661][ T5532] gfs2_fill_super+0x11ed/0x1ea0
[ 239.394760][ T5532] ? gfs2_reconfigure+0xd80/0xd80
[ 239.399973][ T5532] ? sb_set_blocksize+0xa5/0xe0
[ 239.405054][ T5532] get_tree_bdev+0x3e6/0x610
[ 239.409737][ T5532] ? gfs2_reconfigure+0xd80/0xd80
[ 239.414851][ T5532] gfs2_get_tree+0x4d/0x1e0
[ 239.419697][ T5532] vfs_get_tree+0x88/0x270
[ 239.424133][ T5532] do_new_mount+0x247/0xa40
[ 239.428736][ T5532] __se_sys_mount+0x2e3/0x3d0
[ 239.433546][ T5532] ? __x64_sys_mount+0xc0/0xc0
[ 239.438670][ T5532] ? lockdep_hardirqs_on+0x94/0x140
[ 239.444040][ T5532] ? __x64_sys_mount+0x1c/0xc0
[ 239.449174][ T5532] do_syscall_64+0x4c/0xa0
[ 239.453832][ T5532] ? clear_bhb_loop+0x30/0x80
[ 239.458598][ T5532] ? clear_bhb_loop+0x30/0x80
[ 239.463471][ T5532] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 239.469444][ T5532] RIP: 0033:0x7f3f0c313a8a
[ 239.474023][ T5532] 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
[ 239.494535][ T5532] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 239.503366][ T5532] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 239.512022][ T5532] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 239.520278][ T5532] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 239.529611][ T5532] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 239.537904][ T5532] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 239.546245][ T5532]
[ 239.550490][ T5532] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 239.564184][ T5532] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 239.856803][ T5534] loop1: detected capacity change from 0 to 32768
[ 239.914493][ T5534] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 239.922117][ T5534] CPU: 0 PID: 5534 Comm: syz.1.179 Not tainted syzkaller #0
[ 239.929583][ T5534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 239.940107][ T5534] Call Trace:
[ 239.943789][ T5534]
[ 239.946756][ T5534] dump_stack_lvl+0x188/0x250
[ 239.951553][ T5534] ? show_regs_print_info+0x20/0x20
[ 239.956777][ T5534] ? load_image+0x410/0x410
[ 239.961611][ T5534] sysfs_create_dir_ns+0x26a/0x290
[ 239.967047][ T5534] ? sysfs_warn_dup+0xa0/0xa0
[ 239.972020][ T5534] ? do_raw_spin_unlock+0x11d/0x230
[ 239.977250][ T5534] kobject_add_internal+0x5ba/0xcd0
[ 239.982620][ T5534] kobject_init_and_add+0x128/0x190
[ 239.987943][ T5534] ? lockdep_softirqs_off+0x430/0x430
[ 239.993621][ T5534] ? kobject_add+0x230/0x230
[ 239.998414][ T5534] ? __init_swait_queue_head+0xa4/0x140
[ 240.004248][ T5534] gfs2_sys_fs_add+0x24f/0x4b0
[ 240.009126][ T5534] ? gfs2_recover_set+0x240/0x240
[ 240.014329][ T5534] ? snprintf+0xe5/0x140
[ 240.018816][ T5534] ? __free_pages+0x95/0x1a0
[ 240.023651][ T5534] ? vscnprintf+0x80/0x80
[ 240.028164][ T5534] gfs2_fill_super+0x11ed/0x1ea0
[ 240.033282][ T5534] ? gfs2_reconfigure+0xd80/0xd80
[ 240.038402][ T5534] ? sb_set_blocksize+0xa5/0xe0
[ 240.043475][ T5534] get_tree_bdev+0x3e6/0x610
[ 240.048161][ T5534] ? gfs2_reconfigure+0xd80/0xd80
[ 240.053199][ T5534] gfs2_get_tree+0x4d/0x1e0
[ 240.057705][ T5534] vfs_get_tree+0x88/0x270
[ 240.062426][ T5534] do_new_mount+0x247/0xa40
[ 240.067030][ T5534] __se_sys_mount+0x2e3/0x3d0
[ 240.072099][ T5534] ? __x64_sys_mount+0xc0/0xc0
[ 240.077191][ T5534] ? lockdep_hardirqs_on+0x94/0x140
[ 240.082486][ T5534] ? __x64_sys_mount+0x1c/0xc0
[ 240.087426][ T5534] do_syscall_64+0x4c/0xa0
[ 240.091901][ T5534] ? clear_bhb_loop+0x30/0x80
[ 240.096745][ T5534] ? clear_bhb_loop+0x30/0x80
[ 240.101711][ T5534] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 240.107855][ T5534] RIP: 0033:0x7f3f0c313a8a
[ 240.112278][ T5534] 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
[ 240.133045][ T5534] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 240.141952][ T5534] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 240.149931][ T5534] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 240.158083][ T5534] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 240.166361][ T5534] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 240.174430][ T5534] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 240.182802][ T5534]
[ 240.189452][ T5534] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 240.203377][ T5534] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 240.516521][ T5536] loop1: detected capacity change from 0 to 32768
[ 240.565202][ T5536] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 240.572983][ T5536] CPU: 0 PID: 5536 Comm: syz.1.180 Not tainted syzkaller #0
[ 240.580373][ T5536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 240.590631][ T5536] Call Trace:
[ 240.594238][ T5536]
[ 240.597195][ T5536] dump_stack_lvl+0x188/0x250
[ 240.601904][ T5536] ? show_regs_print_info+0x20/0x20
[ 240.607215][ T5536] ? load_image+0x410/0x410
[ 240.611839][ T5536] sysfs_create_dir_ns+0x26a/0x290
[ 240.617216][ T5536] ? sysfs_warn_dup+0xa0/0xa0
[ 240.621927][ T5536] ? do_raw_spin_unlock+0x11d/0x230
[ 240.627497][ T5536] kobject_add_internal+0x5ba/0xcd0
[ 240.632722][ T5536] kobject_init_and_add+0x128/0x190
[ 240.638035][ T5536] ? lockdep_softirqs_off+0x430/0x430
[ 240.643427][ T5536] ? kobject_add+0x230/0x230
[ 240.648061][ T5536] ? __init_swait_queue_head+0xa4/0x140
[ 240.654045][ T5536] gfs2_sys_fs_add+0x24f/0x4b0
[ 240.658852][ T5536] ? gfs2_recover_set+0x240/0x240
[ 240.664133][ T5536] ? snprintf+0xe5/0x140
[ 240.668465][ T5536] ? __free_pages+0x95/0x1a0
[ 240.673610][ T5536] ? vscnprintf+0x80/0x80
[ 240.678146][ T5536] gfs2_fill_super+0x11ed/0x1ea0
[ 240.683182][ T5536] ? gfs2_reconfigure+0xd80/0xd80
[ 240.688302][ T5536] ? sb_set_blocksize+0xa5/0xe0
[ 240.693168][ T5536] get_tree_bdev+0x3e6/0x610
[ 240.697768][ T5536] ? gfs2_reconfigure+0xd80/0xd80
[ 240.703047][ T5536] gfs2_get_tree+0x4d/0x1e0
[ 240.707991][ T5536] vfs_get_tree+0x88/0x270
[ 240.712773][ T5536] do_new_mount+0x247/0xa40
[ 240.717661][ T5536] __se_sys_mount+0x2e3/0x3d0
[ 240.722546][ T5536] ? __x64_sys_mount+0xc0/0xc0
[ 240.727324][ T5536] ? lockdep_hardirqs_on+0x94/0x140
[ 240.732531][ T5536] ? __x64_sys_mount+0x1c/0xc0
[ 240.737530][ T5536] do_syscall_64+0x4c/0xa0
[ 240.742480][ T5536] ? clear_bhb_loop+0x30/0x80
[ 240.747312][ T5536] ? clear_bhb_loop+0x30/0x80
[ 240.752108][ T5536] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 240.758180][ T5536] RIP: 0033:0x7f3f0c313a8a
[ 240.762664][ T5536] 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
[ 240.784054][ T5536] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 240.792680][ T5536] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 240.801005][ T5536] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 240.809084][ T5536] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 240.817159][ T5536] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 240.825426][ T5536] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 240.834922][ T5536]
[ 240.843527][ T5536] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 240.858416][ T5536] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 241.183614][ T5538] loop1: detected capacity change from 0 to 32768
[ 241.290568][ T5538] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 241.299157][ T5538] CPU: 0 PID: 5538 Comm: syz.1.181 Not tainted syzkaller #0
[ 241.306759][ T5538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 241.317788][ T5538] Call Trace:
[ 241.321435][ T5538]
[ 241.324734][ T5538] dump_stack_lvl+0x188/0x250
[ 241.329442][ T5538] ? show_regs_print_info+0x20/0x20
[ 241.334930][ T5538] ? load_image+0x410/0x410
[ 241.339546][ T5538] sysfs_create_dir_ns+0x26a/0x290
[ 241.344865][ T5538] ? sysfs_warn_dup+0xa0/0xa0
[ 241.349888][ T5538] ? do_raw_spin_unlock+0x11d/0x230
[ 241.355375][ T5538] kobject_add_internal+0x5ba/0xcd0
[ 241.360581][ T5538] kobject_init_and_add+0x128/0x190
[ 241.365950][ T5538] ? lockdep_softirqs_off+0x430/0x430
[ 241.371731][ T5538] ? kobject_add+0x230/0x230
[ 241.376360][ T5538] ? __init_swait_queue_head+0xa4/0x140
[ 241.382000][ T5538] gfs2_sys_fs_add+0x24f/0x4b0
[ 241.387126][ T5538] ? gfs2_recover_set+0x240/0x240
[ 241.392393][ T5538] ? snprintf+0xe5/0x140
[ 241.397212][ T5538] ? __free_pages+0x95/0x1a0
[ 241.402015][ T5538] ? vscnprintf+0x80/0x80
[ 241.406338][ T5538] gfs2_fill_super+0x11ed/0x1ea0
[ 241.411473][ T5538] ? gfs2_reconfigure+0xd80/0xd80
[ 241.416732][ T5538] ? sb_set_blocksize+0xa5/0xe0
[ 241.421884][ T5538] get_tree_bdev+0x3e6/0x610
[ 241.426740][ T5538] ? gfs2_reconfigure+0xd80/0xd80
[ 241.432413][ T5538] gfs2_get_tree+0x4d/0x1e0
[ 241.436939][ T5538] vfs_get_tree+0x88/0x270
[ 241.441454][ T5538] do_new_mount+0x247/0xa40
[ 241.446639][ T5538] __se_sys_mount+0x2e3/0x3d0
[ 241.451330][ T5538] ? __x64_sys_mount+0xc0/0xc0
[ 241.456546][ T5538] ? lockdep_hardirqs_on+0x94/0x140
[ 241.461919][ T5538] ? __x64_sys_mount+0x1c/0xc0
[ 241.467671][ T5538] do_syscall_64+0x4c/0xa0
[ 241.472088][ T5538] ? clear_bhb_loop+0x30/0x80
[ 241.476752][ T5538] ? clear_bhb_loop+0x30/0x80
[ 241.481785][ T5538] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 241.488152][ T5538] RIP: 0033:0x7f3f0c313a8a
[ 241.493174][ T5538] 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
[ 241.516149][ T5538] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 241.529600][ T5538] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 241.538789][ T5538] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 241.547966][ T5538] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 241.556973][ T5538] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 241.565132][ T5538] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 241.573377][ T5538]
[ 241.577578][ T5538] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 241.592221][ T5538] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 241.901845][ T5540] loop1: detected capacity change from 0 to 32768
[ 241.967411][ T5540] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 241.975393][ T5540] CPU: 0 PID: 5540 Comm: syz.1.182 Not tainted syzkaller #0
[ 241.983318][ T5540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 241.993779][ T5540] Call Trace:
[ 241.997343][ T5540]
[ 242.000377][ T5540] dump_stack_lvl+0x188/0x250
[ 242.005267][ T5540] ? show_regs_print_info+0x20/0x20
[ 242.010697][ T5540] ? load_image+0x410/0x410
[ 242.016393][ T5540] sysfs_create_dir_ns+0x26a/0x290
[ 242.022516][ T5540] ? sysfs_warn_dup+0xa0/0xa0
[ 242.027663][ T5540] ? do_raw_spin_unlock+0x11d/0x230
[ 242.033426][ T5540] kobject_add_internal+0x5ba/0xcd0
[ 242.038920][ T5540] kobject_init_and_add+0x128/0x190
[ 242.044585][ T5540] ? lockdep_softirqs_off+0x430/0x430
[ 242.050082][ T5540] ? kobject_add+0x230/0x230
[ 242.054765][ T5540] ? __init_swait_queue_head+0xa4/0x140
[ 242.060532][ T5540] gfs2_sys_fs_add+0x24f/0x4b0
[ 242.065572][ T5540] ? gfs2_recover_set+0x240/0x240
[ 242.070896][ T5540] ? snprintf+0xe5/0x140
[ 242.075751][ T5540] ? __free_pages+0x95/0x1a0
[ 242.080526][ T5540] ? vscnprintf+0x80/0x80
[ 242.084963][ T5540] gfs2_fill_super+0x11ed/0x1ea0
[ 242.090157][ T5540] ? gfs2_reconfigure+0xd80/0xd80
[ 242.095583][ T5540] ? sb_set_blocksize+0xa5/0xe0
[ 242.101451][ T5540] get_tree_bdev+0x3e6/0x610
[ 242.106906][ T5540] ? gfs2_reconfigure+0xd80/0xd80
[ 242.112383][ T5540] gfs2_get_tree+0x4d/0x1e0
[ 242.117338][ T5540] vfs_get_tree+0x88/0x270
[ 242.122039][ T5540] do_new_mount+0x247/0xa40
[ 242.127000][ T5540] __se_sys_mount+0x2e3/0x3d0
[ 242.131841][ T5540] ? __x64_sys_mount+0xc0/0xc0
[ 242.136910][ T5540] ? lockdep_hardirqs_on+0x94/0x140
[ 242.142117][ T5540] ? __x64_sys_mount+0x1c/0xc0
[ 242.147161][ T5540] do_syscall_64+0x4c/0xa0
[ 242.152266][ T5540] ? clear_bhb_loop+0x30/0x80
[ 242.157030][ T5540] ? clear_bhb_loop+0x30/0x80
[ 242.161989][ T5540] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 242.168370][ T5540] RIP: 0033:0x7f3f0c313a8a
[ 242.173319][ T5540] 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
[ 242.193914][ T5540] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 242.203313][ T5540] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 242.211668][ T5540] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 242.219779][ T5540] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 242.228016][ T5540] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 242.236789][ T5540] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 242.245179][ T5540]
[ 242.249926][ T5540] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 242.263848][ T5540] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 242.605163][ T5542] loop1: detected capacity change from 0 to 32768
[ 242.633548][ T5542] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 242.644375][ T5542] CPU: 0 PID: 5542 Comm: syz.1.183 Not tainted syzkaller #0
[ 242.653457][ T5542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 242.665691][ T5542] Call Trace:
[ 242.669099][ T5542]
[ 242.672372][ T5542] dump_stack_lvl+0x188/0x250
[ 242.678558][ T5542] ? show_regs_print_info+0x20/0x20
[ 242.684125][ T5542] ? load_image+0x410/0x410
[ 242.689025][ T5542] sysfs_create_dir_ns+0x26a/0x290
[ 242.695354][ T5542] ? sysfs_warn_dup+0xa0/0xa0
[ 242.700074][ T5542] ? do_raw_spin_unlock+0x11d/0x230
[ 242.705602][ T5542] kobject_add_internal+0x5ba/0xcd0
[ 242.710940][ T5542] kobject_init_and_add+0x128/0x190
[ 242.716687][ T5542] ? lockdep_softirqs_off+0x430/0x430
[ 242.723015][ T5542] ? kobject_add+0x230/0x230
[ 242.731906][ T5542] ? __init_swait_queue_head+0xa4/0x140
[ 242.738385][ T5542] gfs2_sys_fs_add+0x24f/0x4b0
[ 242.743978][ T5542] ? gfs2_recover_set+0x240/0x240
[ 242.751087][ T5542] ? snprintf+0xe5/0x140
[ 242.756349][ T5542] ? __free_pages+0x95/0x1a0
[ 242.761729][ T5542] ? vscnprintf+0x80/0x80
[ 242.766409][ T5542] gfs2_fill_super+0x11ed/0x1ea0
[ 242.771569][ T5542] ? gfs2_reconfigure+0xd80/0xd80
[ 242.776968][ T5542] ? sb_set_blocksize+0xa5/0xe0
[ 242.782176][ T5542] get_tree_bdev+0x3e6/0x610
[ 242.787405][ T5542] ? gfs2_reconfigure+0xd80/0xd80
[ 242.792893][ T5542] gfs2_get_tree+0x4d/0x1e0
[ 242.797909][ T5542] vfs_get_tree+0x88/0x270
[ 242.802965][ T5542] do_new_mount+0x247/0xa40
[ 242.808982][ T5542] __se_sys_mount+0x2e3/0x3d0
[ 242.814912][ T5542] ? __x64_sys_mount+0xc0/0xc0
[ 242.820213][ T5542] ? lockdep_hardirqs_on+0x94/0x140
[ 242.825704][ T5542] ? __x64_sys_mount+0x1c/0xc0
[ 242.831291][ T5542] do_syscall_64+0x4c/0xa0
[ 242.837176][ T5542] ? clear_bhb_loop+0x30/0x80
[ 242.842770][ T5542] ? clear_bhb_loop+0x30/0x80
[ 242.849472][ T5542] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 242.856839][ T5542] RIP: 0033:0x7f3f0c313a8a
[ 242.861285][ T5542] 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
[ 242.883707][ T5542] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 242.894590][ T5542] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 242.904043][ T5542] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 242.913876][ T5542] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 242.924899][ T5542] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 242.936070][ T5542] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 242.946634][ T5542]
[ 242.959949][ T5542] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 242.976437][ T5542] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 243.370519][ T5544] loop1: detected capacity change from 0 to 32768
[ 243.426239][ T5544] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 243.435783][ T5544] CPU: 1 PID: 5544 Comm: syz.1.184 Not tainted syzkaller #0
[ 243.445471][ T5544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 243.456720][ T5544] Call Trace:
[ 243.460501][ T5544]
[ 243.463940][ T5544] dump_stack_lvl+0x188/0x250
[ 243.469395][ T5544] ? show_regs_print_info+0x20/0x20
[ 243.474720][ T5544] ? load_image+0x410/0x410
[ 243.479305][ T5544] sysfs_create_dir_ns+0x26a/0x290
[ 243.485645][ T5544] ? sysfs_warn_dup+0xa0/0xa0
[ 243.491063][ T5544] ? do_raw_spin_unlock+0x11d/0x230
[ 243.496533][ T5544] kobject_add_internal+0x5ba/0xcd0
[ 243.502870][ T5544] kobject_init_and_add+0x128/0x190
[ 243.508191][ T5544] ? lockdep_softirqs_off+0x430/0x430
[ 243.514599][ T5544] ? kobject_add+0x230/0x230
[ 243.520249][ T5544] ? __init_swait_queue_head+0xa4/0x140
[ 243.527226][ T5544] gfs2_sys_fs_add+0x24f/0x4b0
[ 243.532899][ T5544] ? gfs2_recover_set+0x240/0x240
[ 243.540578][ T5544] ? snprintf+0xe5/0x140
[ 243.546059][ T5544] ? __free_pages+0x95/0x1a0
[ 243.552743][ T5544] ? vscnprintf+0x80/0x80
[ 243.559244][ T5544] gfs2_fill_super+0x11ed/0x1ea0
[ 243.567483][ T5544] ? gfs2_reconfigure+0xd80/0xd80
[ 243.574304][ T5544] ? sb_set_blocksize+0xa5/0xe0
[ 243.580399][ T5544] get_tree_bdev+0x3e6/0x610
[ 243.587216][ T5544] ? gfs2_reconfigure+0xd80/0xd80
[ 243.593809][ T5544] gfs2_get_tree+0x4d/0x1e0
[ 243.599919][ T5544] vfs_get_tree+0x88/0x270
[ 243.607270][ T5544] do_new_mount+0x247/0xa40
[ 243.617820][ T5544] __se_sys_mount+0x2e3/0x3d0
[ 243.625476][ T5544] ? __x64_sys_mount+0xc0/0xc0
[ 243.631110][ T5544] ? lockdep_hardirqs_on+0x94/0x140
[ 243.637839][ T5544] ? __x64_sys_mount+0x1c/0xc0
[ 243.643463][ T5544] do_syscall_64+0x4c/0xa0
[ 243.648850][ T5544] ? clear_bhb_loop+0x30/0x80
[ 243.653807][ T5544] ? clear_bhb_loop+0x30/0x80
[ 243.658895][ T5544] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 243.665199][ T5544] RIP: 0033:0x7f3f0c313a8a
[ 243.670064][ T5544] 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
[ 243.690653][ T5544] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 243.700915][ T5544] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 243.709524][ T5544] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 243.718550][ T5544] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 243.729737][ T5544] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 243.738867][ T5544] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 243.748447][ T5544]
[ 243.752756][ T5544] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 243.768402][ T5544] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/07/19 20:32:36 executed programs: 170
[ 244.113400][ T5546] loop1: detected capacity change from 0 to 32768
[ 244.167394][ T5546] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 244.176709][ T5546] CPU: 0 PID: 5546 Comm: syz.1.185 Not tainted syzkaller #0
[ 244.184747][ T5546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 244.197544][ T5546] Call Trace:
[ 244.200945][ T5546]
[ 244.204267][ T5546] dump_stack_lvl+0x188/0x250
[ 244.209602][ T5546] ? show_regs_print_info+0x20/0x20
[ 244.215088][ T5546] ? load_image+0x410/0x410
[ 244.220501][ T5546] sysfs_create_dir_ns+0x26a/0x290
[ 244.226280][ T5546] ? sysfs_warn_dup+0xa0/0xa0
[ 244.231074][ T5546] ? do_raw_spin_unlock+0x11d/0x230
[ 244.236970][ T5546] kobject_add_internal+0x5ba/0xcd0
[ 244.242899][ T5546] kobject_init_and_add+0x128/0x190
[ 244.248323][ T5546] ? lockdep_softirqs_off+0x430/0x430
[ 244.254062][ T5546] ? kobject_add+0x230/0x230
[ 244.259136][ T5546] ? __init_swait_queue_head+0xa4/0x140
[ 244.265117][ T5546] gfs2_sys_fs_add+0x24f/0x4b0
[ 244.270117][ T5546] ? gfs2_recover_set+0x240/0x240
[ 244.275717][ T5546] ? snprintf+0xe5/0x140
[ 244.279986][ T5546] ? __free_pages+0x95/0x1a0
[ 244.285442][ T5546] ? vscnprintf+0x80/0x80
[ 244.289897][ T5546] gfs2_fill_super+0x11ed/0x1ea0
[ 244.295143][ T5546] ? gfs2_reconfigure+0xd80/0xd80
[ 244.300456][ T5546] ? sb_set_blocksize+0xa5/0xe0
[ 244.305423][ T5546] get_tree_bdev+0x3e6/0x610
[ 244.310519][ T5546] ? gfs2_reconfigure+0xd80/0xd80
[ 244.316322][ T5546] gfs2_get_tree+0x4d/0x1e0
[ 244.322322][ T5546] vfs_get_tree+0x88/0x270
[ 244.330044][ T5546] do_new_mount+0x247/0xa40
[ 244.334748][ T5546] __se_sys_mount+0x2e3/0x3d0
[ 244.340719][ T5546] ? __x64_sys_mount+0xc0/0xc0
[ 244.345919][ T5546] ? lockdep_hardirqs_on+0x94/0x140
[ 244.351238][ T5546] ? __x64_sys_mount+0x1c/0xc0
[ 244.356326][ T5546] do_syscall_64+0x4c/0xa0
[ 244.360943][ T5546] ? clear_bhb_loop+0x30/0x80
[ 244.365860][ T5546] ? clear_bhb_loop+0x30/0x80
[ 244.370813][ T5546] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 244.376814][ T5546] RIP: 0033:0x7f3f0c313a8a
[ 244.381329][ T5546] 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
[ 244.401477][ T5546] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 244.410776][ T5546] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 244.419732][ T5546] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 244.428181][ T5546] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 244.438764][ T5546] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 244.457530][ T5546] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 244.465705][ T5546]
[ 244.470103][ T5546] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 244.484447][ T5546] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 244.811717][ T5548] loop1: detected capacity change from 0 to 32768
[ 244.918105][ T5548] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 244.929803][ T5548] CPU: 0 PID: 5548 Comm: syz.1.186 Not tainted syzkaller #0
[ 244.937768][ T5548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 244.948311][ T5548] Call Trace:
[ 244.952078][ T5548]
[ 244.955110][ T5548] dump_stack_lvl+0x188/0x250
[ 244.960271][ T5548] ? show_regs_print_info+0x20/0x20
[ 244.965768][ T5548] ? load_image+0x410/0x410
[ 244.970723][ T5548] sysfs_create_dir_ns+0x26a/0x290
[ 244.976486][ T5548] ? sysfs_warn_dup+0xa0/0xa0
[ 244.981768][ T5548] ? do_raw_spin_unlock+0x11d/0x230
[ 244.987901][ T5548] kobject_add_internal+0x5ba/0xcd0
[ 244.993467][ T5548] kobject_init_and_add+0x128/0x190
[ 244.999435][ T5548] ? lockdep_softirqs_off+0x430/0x430
[ 245.005655][ T5548] ? kobject_add+0x230/0x230
[ 245.010464][ T5548] ? __init_swait_queue_head+0xa4/0x140
[ 245.016433][ T5548] gfs2_sys_fs_add+0x24f/0x4b0
[ 245.021607][ T5548] ? gfs2_recover_set+0x240/0x240
[ 245.028155][ T5548] ? snprintf+0xe5/0x140
[ 245.032508][ T5548] ? __free_pages+0x95/0x1a0
[ 245.037512][ T5548] ? vscnprintf+0x80/0x80
[ 245.042110][ T5548] gfs2_fill_super+0x11ed/0x1ea0
[ 245.047493][ T5548] ? gfs2_reconfigure+0xd80/0xd80
[ 245.052717][ T5548] ? sb_set_blocksize+0xa5/0xe0
[ 245.057693][ T5548] get_tree_bdev+0x3e6/0x610
[ 245.062510][ T5548] ? gfs2_reconfigure+0xd80/0xd80
[ 245.067909][ T5548] gfs2_get_tree+0x4d/0x1e0
[ 245.073025][ T5548] vfs_get_tree+0x88/0x270
[ 245.077549][ T5548] do_new_mount+0x247/0xa40
[ 245.082534][ T5548] __se_sys_mount+0x2e3/0x3d0
[ 245.087910][ T5548] ? __x64_sys_mount+0xc0/0xc0
[ 245.093104][ T5548] ? lockdep_hardirqs_on+0x94/0x140
[ 245.099046][ T5548] ? __x64_sys_mount+0x1c/0xc0
[ 245.103987][ T5548] do_syscall_64+0x4c/0xa0
[ 245.108618][ T5548] ? clear_bhb_loop+0x30/0x80
[ 245.113495][ T5548] ? clear_bhb_loop+0x30/0x80
[ 245.118462][ T5548] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 245.124765][ T5548] RIP: 0033:0x7f3f0c313a8a
[ 245.129540][ T5548] 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
[ 245.150688][ T5548] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 245.160286][ T5548] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 245.169368][ T5548] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 245.178125][ T5548] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 245.186595][ T5548] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 245.194874][ T5548] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 245.203384][ T5548]
[ 245.214401][ T5548] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 245.230089][ T5548] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 245.572913][ T5550] loop1: detected capacity change from 0 to 32768
[ 245.624403][ T5550] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 245.631998][ T5550] CPU: 0 PID: 5550 Comm: syz.1.187 Not tainted syzkaller #0
[ 245.639304][ T5550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 245.649792][ T5550] Call Trace:
[ 245.653100][ T5550]
[ 245.656075][ T5550] dump_stack_lvl+0x188/0x250
[ 245.660911][ T5550] ? show_regs_print_info+0x20/0x20
[ 245.666185][ T5550] ? load_image+0x410/0x410
[ 245.670815][ T5550] sysfs_create_dir_ns+0x26a/0x290
[ 245.675948][ T5550] ? sysfs_warn_dup+0xa0/0xa0
[ 245.680647][ T5550] ? do_raw_spin_unlock+0x11d/0x230
[ 245.685878][ T5550] kobject_add_internal+0x5ba/0xcd0
[ 245.691102][ T5550] kobject_init_and_add+0x128/0x190
[ 245.696543][ T5550] ? lockdep_softirqs_off+0x430/0x430
[ 245.702189][ T5550] ? kobject_add+0x230/0x230
[ 245.706801][ T5550] ? __init_swait_queue_head+0xa4/0x140
[ 245.712946][ T5550] gfs2_sys_fs_add+0x24f/0x4b0
[ 245.717747][ T5550] ? gfs2_recover_set+0x240/0x240
[ 245.722800][ T5550] ? snprintf+0xe5/0x140
[ 245.727319][ T5550] ? __free_pages+0x95/0x1a0
[ 245.732079][ T5550] ? vscnprintf+0x80/0x80
[ 245.736719][ T5550] gfs2_fill_super+0x11ed/0x1ea0
[ 245.741756][ T5550] ? gfs2_reconfigure+0xd80/0xd80
[ 245.746998][ T5550] ? sb_set_blocksize+0xa5/0xe0
[ 245.752075][ T5550] get_tree_bdev+0x3e6/0x610
[ 245.756687][ T5550] ? gfs2_reconfigure+0xd80/0xd80
[ 245.762183][ T5550] gfs2_get_tree+0x4d/0x1e0
[ 245.766781][ T5550] vfs_get_tree+0x88/0x270
[ 245.771473][ T5550] do_new_mount+0x247/0xa40
[ 245.775969][ T5550] __se_sys_mount+0x2e3/0x3d0
[ 245.780812][ T5550] ? __x64_sys_mount+0xc0/0xc0
[ 245.785768][ T5550] ? lockdep_hardirqs_on+0x94/0x140
[ 245.791042][ T5550] ? __x64_sys_mount+0x1c/0xc0
[ 245.795887][ T5550] do_syscall_64+0x4c/0xa0
[ 245.800435][ T5550] ? clear_bhb_loop+0x30/0x80
[ 245.805106][ T5550] ? clear_bhb_loop+0x30/0x80
[ 245.810070][ T5550] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 245.815980][ T5550] RIP: 0033:0x7f3f0c313a8a
[ 245.820528][ T5550] 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
[ 245.840993][ T5550] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 245.849678][ T5550] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 245.857667][ T5550] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 245.866044][ T5550] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 245.874522][ T5550] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 245.882596][ T5550] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 245.891043][ T5550]
[ 245.896871][ T5550] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 245.910401][ T5550] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 246.240678][ T5552] loop1: detected capacity change from 0 to 32768
[ 246.300721][ T5552] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 246.316360][ T5552] CPU: 0 PID: 5552 Comm: syz.1.188 Not tainted syzkaller #0
[ 246.323786][ T5552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 246.334238][ T5552] Call Trace:
[ 246.337540][ T5552]
[ 246.340488][ T5552] dump_stack_lvl+0x188/0x250
[ 246.345369][ T5552] ? show_regs_print_info+0x20/0x20
[ 246.350680][ T5552] ? load_image+0x410/0x410
[ 246.355223][ T5552] sysfs_create_dir_ns+0x26a/0x290
[ 246.360359][ T5552] ? sysfs_warn_dup+0xa0/0xa0
[ 246.365073][ T5552] ? do_raw_spin_unlock+0x11d/0x230
[ 246.371844][ T5552] kobject_add_internal+0x5ba/0xcd0
[ 246.378013][ T5552] kobject_init_and_add+0x128/0x190
[ 246.383333][ T5552] ? lockdep_softirqs_off+0x430/0x430
[ 246.388741][ T5552] ? kobject_add+0x230/0x230
[ 246.393534][ T5552] ? __init_swait_queue_head+0xa4/0x140
[ 246.399203][ T5552] gfs2_sys_fs_add+0x24f/0x4b0
[ 246.404214][ T5552] ? gfs2_recover_set+0x240/0x240
[ 246.409423][ T5552] ? snprintf+0xe5/0x140
[ 246.413676][ T5552] ? __free_pages+0x95/0x1a0
[ 246.418447][ T5552] ? vscnprintf+0x80/0x80
[ 246.422869][ T5552] gfs2_fill_super+0x11ed/0x1ea0
[ 246.428352][ T5552] ? gfs2_reconfigure+0xd80/0xd80
[ 246.433412][ T5552] ? sb_set_blocksize+0xa5/0xe0
[ 246.438268][ T5552] get_tree_bdev+0x3e6/0x610
[ 246.442861][ T5552] ? gfs2_reconfigure+0xd80/0xd80
[ 246.447892][ T5552] gfs2_get_tree+0x4d/0x1e0
[ 246.452557][ T5552] vfs_get_tree+0x88/0x270
[ 246.457593][ T5552] do_new_mount+0x247/0xa40
[ 246.462115][ T5552] __se_sys_mount+0x2e3/0x3d0
[ 246.467242][ T5552] ? __x64_sys_mount+0xc0/0xc0
[ 246.472335][ T5552] ? lockdep_hardirqs_on+0x94/0x140
[ 246.477988][ T5552] ? __x64_sys_mount+0x1c/0xc0
[ 246.483024][ T5552] do_syscall_64+0x4c/0xa0
[ 246.487651][ T5552] ? clear_bhb_loop+0x30/0x80
[ 246.492774][ T5552] ? clear_bhb_loop+0x30/0x80
[ 246.497689][ T5552] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 246.503868][ T5552] RIP: 0033:0x7f3f0c313a8a
[ 246.508619][ T5552] 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
[ 246.530276][ T5552] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 246.539100][ T5552] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 246.547073][ T5552] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 246.555365][ T5552] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 246.563765][ T5552] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 246.572099][ T5552] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 246.580083][ T5552]
[ 246.584394][ T5552] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 246.598938][ T5552] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 246.910634][ T5554] loop1: detected capacity change from 0 to 32768
[ 246.958376][ T5554] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 246.965874][ T5554] CPU: 1 PID: 5554 Comm: syz.1.189 Not tainted syzkaller #0
[ 246.973433][ T5554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 246.983587][ T5554] Call Trace:
[ 246.986908][ T5554]
[ 246.989953][ T5554] dump_stack_lvl+0x188/0x250
[ 246.994837][ T5554] ? show_regs_print_info+0x20/0x20
[ 247.000149][ T5554] ? load_image+0x410/0x410
[ 247.006175][ T5554] sysfs_create_dir_ns+0x26a/0x290
[ 247.011412][ T5554] ? sysfs_warn_dup+0xa0/0xa0
[ 247.016260][ T5554] ? do_raw_spin_unlock+0x11d/0x230
[ 247.021821][ T5554] kobject_add_internal+0x5ba/0xcd0
[ 247.027483][ T5554] kobject_init_and_add+0x128/0x190
[ 247.032792][ T5554] ? lockdep_softirqs_off+0x430/0x430
[ 247.038277][ T5554] ? kobject_add+0x230/0x230
[ 247.042896][ T5554] ? __init_swait_queue_head+0xa4/0x140
[ 247.048650][ T5554] gfs2_sys_fs_add+0x24f/0x4b0
[ 247.053436][ T5554] ? gfs2_recover_set+0x240/0x240
[ 247.058647][ T5554] ? snprintf+0xe5/0x140
[ 247.063123][ T5554] ? __free_pages+0x95/0x1a0
[ 247.068011][ T5554] ? vscnprintf+0x80/0x80
[ 247.072584][ T5554] gfs2_fill_super+0x11ed/0x1ea0
[ 247.077642][ T5554] ? gfs2_reconfigure+0xd80/0xd80
[ 247.082871][ T5554] ? sb_set_blocksize+0xa5/0xe0
[ 247.087717][ T5554] get_tree_bdev+0x3e6/0x610
[ 247.092637][ T5554] ? gfs2_reconfigure+0xd80/0xd80
[ 247.097911][ T5554] gfs2_get_tree+0x4d/0x1e0
[ 247.102653][ T5554] vfs_get_tree+0x88/0x270
[ 247.107170][ T5554] do_new_mount+0x247/0xa40
[ 247.111895][ T5554] __se_sys_mount+0x2e3/0x3d0
[ 247.116713][ T5554] ? __x64_sys_mount+0xc0/0xc0
[ 247.121488][ T5554] ? lockdep_hardirqs_on+0x94/0x140
[ 247.126903][ T5554] ? __x64_sys_mount+0x1c/0xc0
[ 247.131673][ T5554] do_syscall_64+0x4c/0xa0
[ 247.136089][ T5554] ? clear_bhb_loop+0x30/0x80
[ 247.141224][ T5554] ? clear_bhb_loop+0x30/0x80
[ 247.146658][ T5554] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 247.152789][ T5554] RIP: 0033:0x7f3f0c313a8a
[ 247.157269][ T5554] 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
[ 247.177363][ T5554] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 247.186123][ T5554] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 247.194537][ T5554] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 247.202889][ T5554] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 247.211044][ T5554] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 247.219010][ T5554] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 247.227091][ T5554]
[ 247.231395][ T5554] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 247.244898][ T5554] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 247.545917][ T5556] loop1: detected capacity change from 0 to 32768
[ 247.597803][ T5556] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 247.606363][ T5556] CPU: 1 PID: 5556 Comm: syz.1.190 Not tainted syzkaller #0
[ 247.613849][ T5556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 247.624807][ T5556] Call Trace:
[ 247.628137][ T5556]
[ 247.631172][ T5556] dump_stack_lvl+0x188/0x250
[ 247.636037][ T5556] ? show_regs_print_info+0x20/0x20
[ 247.641257][ T5556] ? load_image+0x410/0x410
[ 247.645885][ T5556] sysfs_create_dir_ns+0x26a/0x290
[ 247.651620][ T5556] ? sysfs_warn_dup+0xa0/0xa0
[ 247.656750][ T5556] ? do_raw_spin_unlock+0x11d/0x230
[ 247.662149][ T5556] kobject_add_internal+0x5ba/0xcd0
[ 247.667403][ T5556] kobject_init_and_add+0x128/0x190
[ 247.672804][ T5556] ? lockdep_softirqs_off+0x430/0x430
[ 247.678173][ T5556] ? kobject_add+0x230/0x230
[ 247.682846][ T5556] ? __init_swait_queue_head+0xa4/0x140
[ 247.688434][ T5556] gfs2_sys_fs_add+0x24f/0x4b0
[ 247.693366][ T5556] ? gfs2_recover_set+0x240/0x240
[ 247.698408][ T5556] ? snprintf+0xe5/0x140
[ 247.702744][ T5556] ? __free_pages+0x95/0x1a0
[ 247.707335][ T5556] ? vscnprintf+0x80/0x80
[ 247.711685][ T5556] gfs2_fill_super+0x11ed/0x1ea0
[ 247.716626][ T5556] ? gfs2_reconfigure+0xd80/0xd80
[ 247.721830][ T5556] ? sb_set_blocksize+0xa5/0xe0
[ 247.726900][ T5556] get_tree_bdev+0x3e6/0x610
[ 247.731658][ T5556] ? gfs2_reconfigure+0xd80/0xd80
[ 247.736694][ T5556] gfs2_get_tree+0x4d/0x1e0
[ 247.741599][ T5556] vfs_get_tree+0x88/0x270
[ 247.746541][ T5556] do_new_mount+0x247/0xa40
[ 247.751176][ T5556] __se_sys_mount+0x2e3/0x3d0
[ 247.755877][ T5556] ? __x64_sys_mount+0xc0/0xc0
[ 247.760916][ T5556] ? lockdep_hardirqs_on+0x94/0x140
[ 247.766231][ T5556] ? __x64_sys_mount+0x1c/0xc0
[ 247.771176][ T5556] do_syscall_64+0x4c/0xa0
[ 247.775867][ T5556] ? clear_bhb_loop+0x30/0x80
[ 247.780598][ T5556] ? clear_bhb_loop+0x30/0x80
[ 247.785470][ T5556] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 247.791663][ T5556] RIP: 0033:0x7f3f0c313a8a
[ 247.796077][ T5556] 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
[ 247.816097][ T5556] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 247.825074][ T5556] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 247.833122][ T5556] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 247.841122][ T5556] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 247.849530][ T5556] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 247.857674][ T5556] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 247.866513][ T5556]
[ 247.870577][ T5556] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 247.884157][ T5556] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 248.182724][ T5558] loop1: detected capacity change from 0 to 32768
[ 248.270507][ T5558] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 248.278331][ T5558] CPU: 0 PID: 5558 Comm: syz.1.191 Not tainted syzkaller #0
[ 248.285645][ T5558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 248.295725][ T5558] Call Trace:
[ 248.299141][ T5558]
[ 248.302181][ T5558] dump_stack_lvl+0x188/0x250
[ 248.307405][ T5558] ? show_regs_print_info+0x20/0x20
[ 248.313511][ T5558] ? load_image+0x410/0x410
[ 248.318774][ T5558] sysfs_create_dir_ns+0x26a/0x290
[ 248.324454][ T5558] ? sysfs_warn_dup+0xa0/0xa0
[ 248.329504][ T5558] ? do_raw_spin_unlock+0x11d/0x230
[ 248.335156][ T5558] kobject_add_internal+0x5ba/0xcd0
[ 248.340360][ T5558] kobject_init_and_add+0x128/0x190
[ 248.346155][ T5558] ? lockdep_softirqs_off+0x430/0x430
[ 248.351632][ T5558] ? kobject_add+0x230/0x230
[ 248.356214][ T5558] ? __init_swait_queue_head+0xa4/0x140
[ 248.362560][ T5558] gfs2_sys_fs_add+0x24f/0x4b0
[ 248.367565][ T5558] ? gfs2_recover_set+0x240/0x240
[ 248.372842][ T5558] ? snprintf+0xe5/0x140
[ 248.377128][ T5558] ? __free_pages+0x95/0x1a0
[ 248.381925][ T5558] ? vscnprintf+0x80/0x80
[ 248.386659][ T5558] gfs2_fill_super+0x11ed/0x1ea0
[ 248.391900][ T5558] ? gfs2_reconfigure+0xd80/0xd80
[ 248.397228][ T5558] ? sb_set_blocksize+0xa5/0xe0
[ 248.402396][ T5558] get_tree_bdev+0x3e6/0x610
[ 248.407188][ T5558] ? gfs2_reconfigure+0xd80/0xd80
[ 248.412211][ T5558] gfs2_get_tree+0x4d/0x1e0
[ 248.416718][ T5558] vfs_get_tree+0x88/0x270
[ 248.421144][ T5558] do_new_mount+0x247/0xa40
[ 248.425987][ T5558] __se_sys_mount+0x2e3/0x3d0
[ 248.430870][ T5558] ? __x64_sys_mount+0xc0/0xc0
[ 248.436118][ T5558] ? lockdep_hardirqs_on+0x94/0x140
[ 248.441680][ T5558] ? __x64_sys_mount+0x1c/0xc0
[ 248.446688][ T5558] do_syscall_64+0x4c/0xa0
[ 248.451638][ T5558] ? clear_bhb_loop+0x30/0x80
[ 248.456466][ T5558] ? clear_bhb_loop+0x30/0x80
[ 248.461237][ T5558] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 248.467245][ T5558] RIP: 0033:0x7f3f0c313a8a
[ 248.471773][ T5558] 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
[ 248.491872][ T5558] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 248.501047][ T5558] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 248.509385][ T5558] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 248.518191][ T5558] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 248.527196][ T5558] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 248.535718][ T5558] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 248.543915][ T5558]
[ 248.552995][ T5558] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 248.567482][ T5558] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 248.887970][ T5560] loop1: detected capacity change from 0 to 32768
[ 248.954887][ T5560] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 248.962756][ T5560] CPU: 1 PID: 5560 Comm: syz.1.192 Not tainted syzkaller #0
[ 248.970245][ T5560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 248.980910][ T5560] Call Trace:
[ 248.984288][ T5560]
[ 248.987239][ T5560] dump_stack_lvl+0x188/0x250
[ 248.991950][ T5560] ? show_regs_print_info+0x20/0x20
[ 248.997421][ T5560] ? load_image+0x410/0x410
[ 249.002145][ T5560] sysfs_create_dir_ns+0x26a/0x290
[ 249.007496][ T5560] ? sysfs_warn_dup+0xa0/0xa0
[ 249.012564][ T5560] ? do_raw_spin_unlock+0x11d/0x230
[ 249.017955][ T5560] kobject_add_internal+0x5ba/0xcd0
[ 249.023901][ T5560] kobject_init_and_add+0x128/0x190
[ 249.029466][ T5560] ? lockdep_softirqs_off+0x430/0x430
[ 249.035503][ T5560] ? kobject_add+0x230/0x230
[ 249.040317][ T5560] ? __init_swait_queue_head+0xa4/0x140
[ 249.046133][ T5560] gfs2_sys_fs_add+0x24f/0x4b0
[ 249.051114][ T5560] ? gfs2_recover_set+0x240/0x240
[ 249.056783][ T5560] ? snprintf+0xe5/0x140
[ 249.061131][ T5560] ? __free_pages+0x95/0x1a0
[ 249.066182][ T5560] ? vscnprintf+0x80/0x80
[ 249.070708][ T5560] gfs2_fill_super+0x11ed/0x1ea0
[ 249.075743][ T5560] ? gfs2_reconfigure+0xd80/0xd80
[ 249.081277][ T5560] ? sb_set_blocksize+0xa5/0xe0
[ 249.086134][ T5560] get_tree_bdev+0x3e6/0x610
[ 249.091046][ T5560] ? gfs2_reconfigure+0xd80/0xd80
[ 249.096076][ T5560] gfs2_get_tree+0x4d/0x1e0
[ 249.100914][ T5560] vfs_get_tree+0x88/0x270
[ 249.105322][ T5560] do_new_mount+0x247/0xa40
[ 249.109848][ T5560] __se_sys_mount+0x2e3/0x3d0
[ 249.114994][ T5560] ? __x64_sys_mount+0xc0/0xc0
[ 249.120208][ T5560] ? lockdep_hardirqs_on+0x94/0x140
[ 249.125755][ T5560] ? __x64_sys_mount+0x1c/0xc0
[ 249.130515][ T5560] do_syscall_64+0x4c/0xa0
[ 249.135044][ T5560] ? clear_bhb_loop+0x30/0x80
[ 249.140810][ T5560] ? clear_bhb_loop+0x30/0x80
[ 249.145607][ T5560] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 249.151511][ T5560] RIP: 0033:0x7f3f0c313a8a
[ 249.156194][ T5560] 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
[ 249.176023][ T5560] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 249.184670][ T5560] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 249.193137][ T5560] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 249.201350][ T5560] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 249.209489][ T5560] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 249.217999][ T5560] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 249.226338][ T5560]
[ 249.230640][ T5560] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 249.244432][ T5560] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/07/19 20:32:41 executed programs: 178
[ 249.544819][ T5562] loop1: detected capacity change from 0 to 32768
[ 249.597269][ T5562] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 249.604949][ T5562] CPU: 1 PID: 5562 Comm: syz.1.193 Not tainted syzkaller #0
[ 249.612342][ T5562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 249.622689][ T5562] Call Trace:
[ 249.626173][ T5562]
[ 249.629112][ T5562] dump_stack_lvl+0x188/0x250
[ 249.633870][ T5562] ? show_regs_print_info+0x20/0x20
[ 249.639183][ T5562] ? load_image+0x410/0x410
[ 249.643902][ T5562] sysfs_create_dir_ns+0x26a/0x290
[ 249.649033][ T5562] ? sysfs_warn_dup+0xa0/0xa0
[ 249.653820][ T5562] ? do_raw_spin_unlock+0x11d/0x230
[ 249.659655][ T5562] kobject_add_internal+0x5ba/0xcd0
[ 249.665593][ T5562] kobject_init_and_add+0x128/0x190
[ 249.671036][ T5562] ? lockdep_softirqs_off+0x430/0x430
[ 249.676451][ T5562] ? kobject_add+0x230/0x230
[ 249.681298][ T5562] ? __init_swait_queue_head+0xa4/0x140
[ 249.686993][ T5562] gfs2_sys_fs_add+0x24f/0x4b0
[ 249.691928][ T5562] ? gfs2_recover_set+0x240/0x240
[ 249.697311][ T5562] ? snprintf+0xe5/0x140
[ 249.702107][ T5562] ? __free_pages+0x95/0x1a0
[ 249.707064][ T5562] ? vscnprintf+0x80/0x80
[ 249.711427][ T5562] gfs2_fill_super+0x11ed/0x1ea0
[ 249.716666][ T5562] ? gfs2_reconfigure+0xd80/0xd80
[ 249.722104][ T5562] ? sb_set_blocksize+0xa5/0xe0
[ 249.727286][ T5562] get_tree_bdev+0x3e6/0x610
[ 249.731876][ T5562] ? gfs2_reconfigure+0xd80/0xd80
[ 249.736894][ T5562] gfs2_get_tree+0x4d/0x1e0
[ 249.741580][ T5562] vfs_get_tree+0x88/0x270
[ 249.746206][ T5562] do_new_mount+0x247/0xa40
[ 249.751177][ T5562] __se_sys_mount+0x2e3/0x3d0
[ 249.756157][ T5562] ? __x64_sys_mount+0xc0/0xc0
[ 249.761397][ T5562] ? lockdep_hardirqs_on+0x94/0x140
[ 249.767304][ T5562] ? __x64_sys_mount+0x1c/0xc0
[ 249.772522][ T5562] do_syscall_64+0x4c/0xa0
[ 249.777348][ T5562] ? clear_bhb_loop+0x30/0x80
[ 249.782218][ T5562] ? clear_bhb_loop+0x30/0x80
[ 249.787052][ T5562] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 249.792956][ T5562] RIP: 0033:0x7f3f0c313a8a
[ 249.797383][ T5562] 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
[ 249.817433][ T5562] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 249.826144][ T5562] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 249.834319][ T5562] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 249.842728][ T5562] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 249.852265][ T5562] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 249.860648][ T5562] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 249.868623][ T5562]
[ 249.875873][ T5562] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 249.889606][ T5562] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 250.220978][ T5564] loop1: detected capacity change from 0 to 32768
[ 250.276594][ T5564] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 250.285063][ T5564] CPU: 1 PID: 5564 Comm: syz.1.194 Not tainted syzkaller #0
[ 250.292538][ T5564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 250.302735][ T5564] Call Trace:
[ 250.306026][ T5564]
[ 250.309055][ T5564] dump_stack_lvl+0x188/0x250
[ 250.313929][ T5564] ? show_regs_print_info+0x20/0x20
[ 250.319240][ T5564] ? load_image+0x410/0x410
[ 250.323774][ T5564] sysfs_create_dir_ns+0x26a/0x290
[ 250.329274][ T5564] ? sysfs_warn_dup+0xa0/0xa0
[ 250.334206][ T5564] ? do_raw_spin_unlock+0x11d/0x230
[ 250.339439][ T5564] kobject_add_internal+0x5ba/0xcd0
[ 250.344661][ T5564] kobject_init_and_add+0x128/0x190
[ 250.349881][ T5564] ? lockdep_softirqs_off+0x430/0x430
[ 250.355678][ T5564] ? kobject_add+0x230/0x230
[ 250.360470][ T5564] ? __init_swait_queue_head+0xa4/0x140
[ 250.366423][ T5564] gfs2_sys_fs_add+0x24f/0x4b0
[ 250.371284][ T5564] ? gfs2_recover_set+0x240/0x240
[ 250.376335][ T5564] ? snprintf+0xe5/0x140
[ 250.380600][ T5564] ? __free_pages+0x95/0x1a0
[ 250.385328][ T5564] ? vscnprintf+0x80/0x80
[ 250.389662][ T5564] gfs2_fill_super+0x11ed/0x1ea0
[ 250.394709][ T5564] ? gfs2_reconfigure+0xd80/0xd80
[ 250.399851][ T5564] ? sb_set_blocksize+0xa5/0xe0
[ 250.404815][ T5564] get_tree_bdev+0x3e6/0x610
[ 250.409414][ T5564] ? gfs2_reconfigure+0xd80/0xd80
[ 250.414815][ T5564] gfs2_get_tree+0x4d/0x1e0
[ 250.419636][ T5564] vfs_get_tree+0x88/0x270
[ 250.424154][ T5564] do_new_mount+0x247/0xa40
[ 250.428850][ T5564] __se_sys_mount+0x2e3/0x3d0
[ 250.433612][ T5564] ? __x64_sys_mount+0xc0/0xc0
[ 250.438631][ T5564] ? lockdep_hardirqs_on+0x94/0x140
[ 250.444573][ T5564] ? __x64_sys_mount+0x1c/0xc0
[ 250.449418][ T5564] do_syscall_64+0x4c/0xa0
[ 250.453957][ T5564] ? clear_bhb_loop+0x30/0x80
[ 250.458741][ T5564] ? clear_bhb_loop+0x30/0x80
[ 250.463511][ T5564] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 250.469415][ T5564] RIP: 0033:0x7f3f0c313a8a
[ 250.473834][ T5564] 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
[ 250.494966][ T5564] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 250.503955][ T5564] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 250.512312][ T5564] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 250.520608][ T5564] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 250.529344][ T5564] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 250.537399][ T5564] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 250.545370][ T5564]
[ 250.550018][ T5564] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 250.563578][ T5564] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 250.869358][ T5566] loop1: detected capacity change from 0 to 32768
[ 250.938772][ T5566] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 250.947332][ T5566] CPU: 1 PID: 5566 Comm: syz.1.195 Not tainted syzkaller #0
[ 250.954637][ T5566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 250.964892][ T5566] Call Trace:
[ 250.968461][ T5566]
[ 250.971488][ T5566] dump_stack_lvl+0x188/0x250
[ 250.976425][ T5566] ? show_regs_print_info+0x20/0x20
[ 250.981872][ T5566] ? load_image+0x410/0x410
[ 250.988398][ T5566] sysfs_create_dir_ns+0x26a/0x290
[ 250.993678][ T5566] ? sysfs_warn_dup+0xa0/0xa0
[ 250.998657][ T5566] ? do_raw_spin_unlock+0x11d/0x230
[ 251.004320][ T5566] kobject_add_internal+0x5ba/0xcd0
[ 251.009754][ T5566] kobject_init_and_add+0x128/0x190
[ 251.015237][ T5566] ? lockdep_softirqs_off+0x430/0x430
[ 251.020809][ T5566] ? kobject_add+0x230/0x230
[ 251.025714][ T5566] ? __init_swait_queue_head+0xa4/0x140
[ 251.031919][ T5566] gfs2_sys_fs_add+0x24f/0x4b0
[ 251.037064][ T5566] ? gfs2_recover_set+0x240/0x240
[ 251.042101][ T5566] ? snprintf+0xe5/0x140
[ 251.046711][ T5566] ? __free_pages+0x95/0x1a0
[ 251.051713][ T5566] ? vscnprintf+0x80/0x80
[ 251.056228][ T5566] gfs2_fill_super+0x11ed/0x1ea0
[ 251.061175][ T5566] ? gfs2_reconfigure+0xd80/0xd80
[ 251.067158][ T5566] ? sb_set_blocksize+0xa5/0xe0
[ 251.072403][ T5566] get_tree_bdev+0x3e6/0x610
[ 251.077228][ T5566] ? gfs2_reconfigure+0xd80/0xd80
[ 251.082529][ T5566] gfs2_get_tree+0x4d/0x1e0
[ 251.087052][ T5566] vfs_get_tree+0x88/0x270
[ 251.091568][ T5566] do_new_mount+0x247/0xa40
[ 251.096178][ T5566] __se_sys_mount+0x2e3/0x3d0
[ 251.101214][ T5566] ? __x64_sys_mount+0xc0/0xc0
[ 251.106062][ T5566] ? lockdep_hardirqs_on+0x94/0x140
[ 251.111600][ T5566] ? __x64_sys_mount+0x1c/0xc0
[ 251.116796][ T5566] do_syscall_64+0x4c/0xa0
[ 251.121287][ T5566] ? clear_bhb_loop+0x30/0x80
[ 251.126245][ T5566] ? clear_bhb_loop+0x30/0x80
[ 251.131468][ T5566] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 251.137362][ T5566] RIP: 0033:0x7f3f0c313a8a
[ 251.141873][ T5566] 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
[ 251.161995][ T5566] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 251.170618][ T5566] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 251.179661][ T5566] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 251.187993][ T5566] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 251.196136][ T5566] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 251.204429][ T5566] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 251.212519][ T5566]
[ 251.216881][ T5566] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 251.230933][ T5566] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 251.562068][ T5568] loop1: detected capacity change from 0 to 32768
[ 251.620573][ T5568] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 251.628197][ T5568] CPU: 1 PID: 5568 Comm: syz.1.196 Not tainted syzkaller #0
[ 251.635753][ T5568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 251.646180][ T5568] Call Trace:
[ 251.649485][ T5568]
[ 251.652438][ T5568] dump_stack_lvl+0x188/0x250
[ 251.657315][ T5568] ? show_regs_print_info+0x20/0x20
[ 251.662811][ T5568] ? load_image+0x410/0x410
[ 251.667448][ T5568] sysfs_create_dir_ns+0x26a/0x290
[ 251.672752][ T5568] ? sysfs_warn_dup+0xa0/0xa0
[ 251.677691][ T5568] ? do_raw_spin_unlock+0x11d/0x230
[ 251.682998][ T5568] kobject_add_internal+0x5ba/0xcd0
[ 251.688317][ T5568] kobject_init_and_add+0x128/0x190
[ 251.693617][ T5568] ? lockdep_softirqs_off+0x430/0x430
[ 251.699007][ T5568] ? kobject_add+0x230/0x230
[ 251.703725][ T5568] ? __init_swait_queue_head+0xa4/0x140
[ 251.709300][ T5568] gfs2_sys_fs_add+0x24f/0x4b0
[ 251.714108][ T5568] ? gfs2_recover_set+0x240/0x240
[ 251.719256][ T5568] ? snprintf+0xe5/0x140
[ 251.723690][ T5568] ? __free_pages+0x95/0x1a0
[ 251.728371][ T5568] ? vscnprintf+0x80/0x80
[ 251.733033][ T5568] gfs2_fill_super+0x11ed/0x1ea0
[ 251.737995][ T5568] ? gfs2_reconfigure+0xd80/0xd80
[ 251.743321][ T5568] ? sb_set_blocksize+0xa5/0xe0
[ 251.748218][ T5568] get_tree_bdev+0x3e6/0x610
[ 251.752915][ T5568] ? gfs2_reconfigure+0xd80/0xd80
[ 251.757935][ T5568] gfs2_get_tree+0x4d/0x1e0
[ 251.762599][ T5568] vfs_get_tree+0x88/0x270
[ 251.767375][ T5568] do_new_mount+0x247/0xa40
[ 251.772167][ T5568] __se_sys_mount+0x2e3/0x3d0
[ 251.777117][ T5568] ? __x64_sys_mount+0xc0/0xc0
[ 251.781965][ T5568] ? lockdep_hardirqs_on+0x94/0x140
[ 251.787173][ T5568] ? __x64_sys_mount+0x1c/0xc0
[ 251.792235][ T5568] do_syscall_64+0x4c/0xa0
[ 251.796881][ T5568] ? clear_bhb_loop+0x30/0x80
[ 251.801669][ T5568] ? clear_bhb_loop+0x30/0x80
[ 251.806383][ T5568] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 251.812568][ T5568] RIP: 0033:0x7f3f0c313a8a
[ 251.817120][ T5568] 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
[ 251.837382][ T5568] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 251.846105][ T5568] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 251.854157][ T5568] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 251.862240][ T5568] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 251.870213][ T5568] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 251.878269][ T5568] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 251.886784][ T5568]
[ 251.891376][ T5568] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 251.905802][ T5568] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 252.200603][ T5570] loop1: detected capacity change from 0 to 32768
[ 252.261909][ T5570] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 252.272990][ T5570] CPU: 1 PID: 5570 Comm: syz.1.197 Not tainted syzkaller #0
[ 252.280650][ T5570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 252.291550][ T5570] Call Trace:
[ 252.295030][ T5570]
[ 252.297973][ T5570] dump_stack_lvl+0x188/0x250
[ 252.302703][ T5570] ? show_regs_print_info+0x20/0x20
[ 252.308484][ T5570] ? load_image+0x410/0x410
[ 252.313196][ T5570] sysfs_create_dir_ns+0x26a/0x290
[ 252.318672][ T5570] ? sysfs_warn_dup+0xa0/0xa0
[ 252.324017][ T5570] ? do_raw_spin_unlock+0x11d/0x230
[ 252.329521][ T5570] kobject_add_internal+0x5ba/0xcd0
[ 252.334959][ T5570] kobject_init_and_add+0x128/0x190
[ 252.340418][ T5570] ? lockdep_softirqs_off+0x430/0x430
[ 252.346357][ T5570] ? kobject_add+0x230/0x230
[ 252.351108][ T5570] ? __init_swait_queue_head+0xa4/0x140
[ 252.357069][ T5570] gfs2_sys_fs_add+0x24f/0x4b0
[ 252.361927][ T5570] ? gfs2_recover_set+0x240/0x240
[ 252.367562][ T5570] ? snprintf+0xe5/0x140
[ 252.372181][ T5570] ? __free_pages+0x95/0x1a0
[ 252.376965][ T5570] ? vscnprintf+0x80/0x80
[ 252.381470][ T5570] gfs2_fill_super+0x11ed/0x1ea0
[ 252.386409][ T5570] ? gfs2_reconfigure+0xd80/0xd80
[ 252.391707][ T5570] ? sb_set_blocksize+0xa5/0xe0
[ 252.396638][ T5570] get_tree_bdev+0x3e6/0x610
[ 252.401224][ T5570] ? gfs2_reconfigure+0xd80/0xd80
[ 252.406632][ T5570] gfs2_get_tree+0x4d/0x1e0
[ 252.411982][ T5570] vfs_get_tree+0x88/0x270
[ 252.417065][ T5570] do_new_mount+0x247/0xa40
[ 252.422036][ T5570] __se_sys_mount+0x2e3/0x3d0
[ 252.427547][ T5570] ? __x64_sys_mount+0xc0/0xc0
[ 252.433134][ T5570] ? lockdep_hardirqs_on+0x94/0x140
[ 252.438806][ T5570] ? __x64_sys_mount+0x1c/0xc0
[ 252.443839][ T5570] do_syscall_64+0x4c/0xa0
[ 252.448590][ T5570] ? clear_bhb_loop+0x30/0x80
[ 252.453578][ T5570] ? clear_bhb_loop+0x30/0x80
[ 252.458531][ T5570] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 252.465034][ T5570] RIP: 0033:0x7f3f0c313a8a
[ 252.469547][ T5570] 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
[ 252.490558][ T5570] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 252.499393][ T5570] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 252.507856][ T5570] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 252.517251][ T5570] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 252.527628][ T5570] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 252.536094][ T5570] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 252.544644][ T5570]
[ 252.548897][ T5570] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 252.562992][ T5570] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 252.846102][ T4211] Bluetooth: hci1: command 0x0406 tx timeout
[ 252.872819][ T5572] loop1: detected capacity change from 0 to 32768
[ 252.968112][ T5572] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 252.975843][ T5572] CPU: 0 PID: 5572 Comm: syz.1.198 Not tainted syzkaller #0
[ 252.983675][ T5572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 252.993743][ T5572] Call Trace:
[ 252.997040][ T5572]
[ 253.000071][ T5572] dump_stack_lvl+0x188/0x250
[ 253.004905][ T5572] ? show_regs_print_info+0x20/0x20
[ 253.010325][ T5572] ? load_image+0x410/0x410
[ 253.015035][ T5572] sysfs_create_dir_ns+0x26a/0x290
[ 253.020618][ T5572] ? sysfs_warn_dup+0xa0/0xa0
[ 253.025515][ T5572] ? do_raw_spin_unlock+0x11d/0x230
[ 253.030806][ T5572] kobject_add_internal+0x5ba/0xcd0
[ 253.036103][ T5572] kobject_init_and_add+0x128/0x190
[ 253.041587][ T5572] ? lockdep_softirqs_off+0x430/0x430
[ 253.046954][ T5572] ? kobject_add+0x230/0x230
[ 253.051827][ T5572] ? __init_swait_queue_head+0xa4/0x140
[ 253.057557][ T5572] gfs2_sys_fs_add+0x24f/0x4b0
[ 253.062351][ T5572] ? gfs2_recover_set+0x240/0x240
[ 253.067543][ T5572] ? snprintf+0xe5/0x140
[ 253.072030][ T5572] ? __free_pages+0x95/0x1a0
[ 253.076723][ T5572] ? vscnprintf+0x80/0x80
[ 253.081248][ T5572] gfs2_fill_super+0x11ed/0x1ea0
[ 253.086341][ T5572] ? gfs2_reconfigure+0xd80/0xd80
[ 253.091558][ T5572] ? sb_set_blocksize+0xa5/0xe0
[ 253.096420][ T5572] get_tree_bdev+0x3e6/0x610
[ 253.101029][ T5572] ? gfs2_reconfigure+0xd80/0xd80
[ 253.106174][ T5572] gfs2_get_tree+0x4d/0x1e0
[ 253.110805][ T5572] vfs_get_tree+0x88/0x270
[ 253.115231][ T5572] do_new_mount+0x247/0xa40
[ 253.119857][ T5572] __se_sys_mount+0x2e3/0x3d0
[ 253.124951][ T5572] ? __x64_sys_mount+0xc0/0xc0
[ 253.129960][ T5572] ? lockdep_hardirqs_on+0x94/0x140
[ 253.135282][ T5572] ? __x64_sys_mount+0x1c/0xc0
[ 253.140041][ T5572] do_syscall_64+0x4c/0xa0
[ 253.144448][ T5572] ? clear_bhb_loop+0x30/0x80
[ 253.149296][ T5572] ? clear_bhb_loop+0x30/0x80
[ 253.153980][ T5572] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 253.160063][ T5572] RIP: 0033:0x7f3f0c313a8a
[ 253.164771][ T5572] 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
[ 253.184550][ T5572] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 253.192958][ T5572] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 253.201274][ T5572] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 253.209409][ T5572] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 253.217522][ T5572] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 253.225878][ T5572] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 253.234284][ T5572]
[ 253.238780][ T5572] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 253.252626][ T5572] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 253.584146][ T5574] loop1: detected capacity change from 0 to 32768
[ 253.667924][ T5574] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 253.675567][ T5574] CPU: 1 PID: 5574 Comm: syz.1.199 Not tainted syzkaller #0
[ 253.682952][ T5574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 253.693276][ T5574] Call Trace:
[ 253.696669][ T5574]
[ 253.699619][ T5574] dump_stack_lvl+0x188/0x250
[ 253.704320][ T5574] ? show_regs_print_info+0x20/0x20
[ 253.709865][ T5574] ? load_image+0x410/0x410
[ 253.714419][ T5574] sysfs_create_dir_ns+0x26a/0x290
[ 253.719555][ T5574] ? sysfs_warn_dup+0xa0/0xa0
[ 253.724635][ T5574] ? do_raw_spin_unlock+0x11d/0x230
[ 253.730145][ T5574] kobject_add_internal+0x5ba/0xcd0
[ 253.735522][ T5574] kobject_init_and_add+0x128/0x190
[ 253.740832][ T5574] ? lockdep_softirqs_off+0x430/0x430
[ 253.746536][ T5574] ? kobject_add+0x230/0x230
[ 253.751558][ T5574] ? __init_swait_queue_head+0xa4/0x140
[ 253.757519][ T5574] gfs2_sys_fs_add+0x24f/0x4b0
[ 253.762654][ T5574] ? gfs2_recover_set+0x240/0x240
[ 253.768069][ T5574] ? snprintf+0xe5/0x140
[ 253.772743][ T5574] ? __free_pages+0x95/0x1a0
[ 253.777365][ T5574] ? vscnprintf+0x80/0x80
[ 253.781923][ T5574] gfs2_fill_super+0x11ed/0x1ea0
[ 253.787096][ T5574] ? gfs2_reconfigure+0xd80/0xd80
[ 253.792371][ T5574] ? sb_set_blocksize+0xa5/0xe0
[ 253.797502][ T5574] get_tree_bdev+0x3e6/0x610
[ 253.802292][ T5574] ? gfs2_reconfigure+0xd80/0xd80
[ 253.807637][ T5574] gfs2_get_tree+0x4d/0x1e0
[ 253.812387][ T5574] vfs_get_tree+0x88/0x270
[ 253.816984][ T5574] do_new_mount+0x247/0xa40
[ 253.821700][ T5574] __se_sys_mount+0x2e3/0x3d0
[ 253.826989][ T5574] ? __x64_sys_mount+0xc0/0xc0
[ 253.832058][ T5574] ? lockdep_hardirqs_on+0x94/0x140
[ 253.837447][ T5574] ? __x64_sys_mount+0x1c/0xc0
[ 253.842451][ T5574] do_syscall_64+0x4c/0xa0
[ 253.847352][ T5574] ? clear_bhb_loop+0x30/0x80
[ 253.852161][ T5574] ? clear_bhb_loop+0x30/0x80
[ 253.856866][ T5574] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 253.863139][ T5574] RIP: 0033:0x7f3f0c313a8a
[ 253.867552][ T5574] 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
[ 253.887859][ T5574] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 253.896791][ T5574] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 253.905189][ T5574] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 253.914063][ T5574] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 253.924611][ T5574] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 253.933200][ T5574] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 253.942098][ T5574]
[ 253.946507][ T5574] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 253.960911][ T5574] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 254.304418][ T5576] loop1: detected capacity change from 0 to 32768
[ 254.348557][ T5576] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 254.357153][ T5576] CPU: 1 PID: 5576 Comm: syz.1.200 Not tainted syzkaller #0
[ 254.365634][ T5576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 254.376350][ T5576] Call Trace:
[ 254.381215][ T5576]
[ 254.386335][ T5576] dump_stack_lvl+0x188/0x250
[ 254.391897][ T5576] ? show_regs_print_info+0x20/0x20
[ 254.397596][ T5576] ? load_image+0x410/0x410
[ 254.402907][ T5576] sysfs_create_dir_ns+0x26a/0x290
[ 254.409622][ T5576] ? sysfs_warn_dup+0xa0/0xa0
[ 254.414809][ T5576] ? do_raw_spin_unlock+0x11d/0x230
[ 254.420554][ T5576] kobject_add_internal+0x5ba/0xcd0
[ 254.426091][ T5576] kobject_init_and_add+0x128/0x190
[ 254.431828][ T5576] ? lockdep_softirqs_off+0x430/0x430
[ 254.438831][ T5576] ? kobject_add+0x230/0x230
[ 254.444062][ T5576] ? __init_swait_queue_head+0xa4/0x140
[ 254.450486][ T5576] gfs2_sys_fs_add+0x24f/0x4b0
[ 254.456420][ T5576] ? gfs2_recover_set+0x240/0x240
[ 254.463460][ T5576] ? snprintf+0xe5/0x140
[ 254.472534][ T5576] ? __free_pages+0x95/0x1a0
[ 254.477163][ T5576] ? vscnprintf+0x80/0x80
[ 254.481560][ T5576] gfs2_fill_super+0x11ed/0x1ea0
[ 254.486528][ T5576] ? gfs2_reconfigure+0xd80/0xd80
[ 254.491804][ T5576] ? sb_set_blocksize+0xa5/0xe0
[ 254.497163][ T5576] get_tree_bdev+0x3e6/0x610
[ 254.501855][ T5576] ? gfs2_reconfigure+0xd80/0xd80
[ 254.507027][ T5576] gfs2_get_tree+0x4d/0x1e0
[ 254.511744][ T5576] vfs_get_tree+0x88/0x270
[ 254.517152][ T5576] do_new_mount+0x247/0xa40
[ 254.522065][ T5576] __se_sys_mount+0x2e3/0x3d0
[ 254.528621][ T5576] ? __x64_sys_mount+0xc0/0xc0
[ 254.533865][ T5576] ? lockdep_hardirqs_on+0x94/0x140
[ 254.539589][ T5576] ? __x64_sys_mount+0x1c/0xc0
[ 254.544538][ T5576] do_syscall_64+0x4c/0xa0
[ 254.549368][ T5576] ? clear_bhb_loop+0x30/0x80
[ 254.554065][ T5576] ? clear_bhb_loop+0x30/0x80
[ 254.558875][ T5576] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 254.565637][ T5576] RIP: 0033:0x7f3f0c313a8a
[ 254.570462][ T5576] 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
[ 254.592907][ T5576] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 254.604715][ T5576] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 254.614009][ T5576] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 254.624497][ T5576] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 254.633414][ T5576] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 254.642225][ T5576] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 254.650436][ T5576]
[ 254.654826][ T5576] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 254.669325][ T5576] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/07/19 20:32:47 executed programs: 186
[ 255.025390][ T5578] loop1: detected capacity change from 0 to 32768
[ 255.047182][ T5578] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 255.056893][ T5578] CPU: 0 PID: 5578 Comm: syz.1.201 Not tainted syzkaller #0
[ 255.064888][ T5578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 255.075225][ T5578] Call Trace:
[ 255.078606][ T5578]
[ 255.082121][ T5578] dump_stack_lvl+0x188/0x250
[ 255.087483][ T5578] ? show_regs_print_info+0x20/0x20
[ 255.092960][ T5578] ? load_image+0x410/0x410
[ 255.098087][ T5578] sysfs_create_dir_ns+0x26a/0x290
[ 255.103405][ T5578] ? sysfs_warn_dup+0xa0/0xa0
[ 255.109568][ T5578] ? do_raw_spin_unlock+0x11d/0x230
[ 255.115981][ T5578] kobject_add_internal+0x5ba/0xcd0
[ 255.122149][ T5578] kobject_init_and_add+0x128/0x190
[ 255.128345][ T5578] ? lockdep_softirqs_off+0x430/0x430
[ 255.134245][ T5578] ? kobject_add+0x230/0x230
[ 255.139517][ T5578] ? __init_swait_queue_head+0xa4/0x140
[ 255.145456][ T5578] gfs2_sys_fs_add+0x24f/0x4b0
[ 255.151121][ T5578] ? gfs2_recover_set+0x240/0x240
[ 255.156271][ T5578] ? snprintf+0xe5/0x140
[ 255.160837][ T5578] ? __free_pages+0x95/0x1a0
[ 255.165955][ T5578] ? vscnprintf+0x80/0x80
[ 255.170846][ T5578] gfs2_fill_super+0x11ed/0x1ea0
[ 255.175968][ T5578] ? gfs2_reconfigure+0xd80/0xd80
[ 255.182034][ T5578] ? sb_set_blocksize+0xa5/0xe0
[ 255.188692][ T5578] get_tree_bdev+0x3e6/0x610
[ 255.197580][ T5578] ? gfs2_reconfigure+0xd80/0xd80
[ 255.204244][ T5578] gfs2_get_tree+0x4d/0x1e0
[ 255.210066][ T5578] vfs_get_tree+0x88/0x270
[ 255.216755][ T5578] do_new_mount+0x247/0xa40
[ 255.223895][ T5578] __se_sys_mount+0x2e3/0x3d0
[ 255.229289][ T5578] ? __x64_sys_mount+0xc0/0xc0
[ 255.235612][ T5578] ? lockdep_hardirqs_on+0x94/0x140
[ 255.241756][ T5578] ? __x64_sys_mount+0x1c/0xc0
[ 255.247896][ T5578] do_syscall_64+0x4c/0xa0
[ 255.253700][ T5578] ? clear_bhb_loop+0x30/0x80
[ 255.258462][ T5578] ? clear_bhb_loop+0x30/0x80
[ 255.263373][ T5578] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 255.270641][ T5578] RIP: 0033:0x7f3f0c313a8a
[ 255.275320][ T5578] 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
[ 255.296023][ T5578] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 255.305697][ T5578] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 255.315391][ T5578] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 255.328822][ T5578] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 255.338983][ T5578] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 255.348394][ T5578] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 255.358136][ T5578]
[ 255.362728][ T5578] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 255.377233][ T5578] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 255.732713][ T5580] loop1: detected capacity change from 0 to 32768
[ 255.780937][ T5580] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 255.788826][ T5580] CPU: 1 PID: 5580 Comm: syz.1.202 Not tainted syzkaller #0
[ 255.796224][ T5580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 255.806470][ T5580] Call Trace:
[ 255.809768][ T5580]
[ 255.813031][ T5580] dump_stack_lvl+0x188/0x250
[ 255.817839][ T5580] ? show_regs_print_info+0x20/0x20
[ 255.823219][ T5580] ? load_image+0x410/0x410
[ 255.828106][ T5580] sysfs_create_dir_ns+0x26a/0x290
[ 255.833432][ T5580] ? sysfs_warn_dup+0xa0/0xa0
[ 255.838397][ T5580] ? do_raw_spin_unlock+0x11d/0x230
[ 255.843614][ T5580] kobject_add_internal+0x5ba/0xcd0
[ 255.849622][ T5580] kobject_init_and_add+0x128/0x190
[ 255.855625][ T5580] ? lockdep_softirqs_off+0x430/0x430
[ 255.861602][ T5580] ? kobject_add+0x230/0x230
[ 255.866395][ T5580] ? __init_swait_queue_head+0xa4/0x140
[ 255.871956][ T5580] gfs2_sys_fs_add+0x24f/0x4b0
[ 255.876838][ T5580] ? gfs2_recover_set+0x240/0x240
[ 255.882380][ T5580] ? snprintf+0xe5/0x140
[ 255.886706][ T5580] ? __free_pages+0x95/0x1a0
[ 255.889128][ T1431] ieee802154 phy0 wpan0: encryption failed: -22
[ 255.891410][ T5580] ? vscnprintf+0x80/0x80
[ 255.898006][ T1431] ieee802154 phy1 wpan1: encryption failed: -22
[ 255.902273][ T5580] gfs2_fill_super+0x11ed/0x1ea0
[ 255.913832][ T5580] ? gfs2_reconfigure+0xd80/0xd80
[ 255.919331][ T5580] ? sb_set_blocksize+0xa5/0xe0
[ 255.924691][ T5580] get_tree_bdev+0x3e6/0x610
[ 255.929376][ T5580] ? gfs2_reconfigure+0xd80/0xd80
[ 255.934808][ T5580] gfs2_get_tree+0x4d/0x1e0
[ 255.939355][ T5580] vfs_get_tree+0x88/0x270
[ 255.944127][ T5580] do_new_mount+0x247/0xa40
[ 255.948705][ T5580] __se_sys_mount+0x2e3/0x3d0
[ 255.953782][ T5580] ? __x64_sys_mount+0xc0/0xc0
[ 255.958692][ T5580] ? lockdep_hardirqs_on+0x94/0x140
[ 255.963997][ T5580] ? __x64_sys_mount+0x1c/0xc0
[ 255.969316][ T5580] do_syscall_64+0x4c/0xa0
[ 255.973934][ T5580] ? clear_bhb_loop+0x30/0x80
[ 255.979629][ T5580] ? clear_bhb_loop+0x30/0x80
[ 255.985083][ T5580] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 255.991528][ T5580] RIP: 0033:0x7f3f0c313a8a
[ 255.995953][ T5580] 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
[ 256.016203][ T5580] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 256.024789][ T5580] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 256.033281][ T5580] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 256.042796][ T5580] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 256.051580][ T5580] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 256.061958][ T5580] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 256.070612][ T5580]
[ 256.076637][ T5580] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 256.090494][ T5580] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 256.422030][ T5582] loop1: detected capacity change from 0 to 32768
[ 256.488383][ T5582] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 256.498177][ T5582] CPU: 1 PID: 5582 Comm: syz.1.203 Not tainted syzkaller #0
[ 256.505610][ T5582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 256.516523][ T5582] Call Trace:
[ 256.520417][ T5582]
[ 256.523990][ T5582] dump_stack_lvl+0x188/0x250
[ 256.531347][ T5582] ? show_regs_print_info+0x20/0x20
[ 256.538192][ T5582] ? load_image+0x410/0x410
[ 256.542989][ T5582] sysfs_create_dir_ns+0x26a/0x290
[ 256.548407][ T5582] ? sysfs_warn_dup+0xa0/0xa0
[ 256.553115][ T5582] ? do_raw_spin_unlock+0x11d/0x230
[ 256.558777][ T5582] kobject_add_internal+0x5ba/0xcd0
[ 256.564187][ T5582] kobject_init_and_add+0x128/0x190
[ 256.569829][ T5582] ? lockdep_softirqs_off+0x430/0x430
[ 256.575493][ T5582] ? kobject_add+0x230/0x230
[ 256.580468][ T5582] ? __init_swait_queue_head+0xa4/0x140
[ 256.586114][ T5582] gfs2_sys_fs_add+0x24f/0x4b0
[ 256.591283][ T5582] ? gfs2_recover_set+0x240/0x240
[ 256.596505][ T5582] ? snprintf+0xe5/0x140
[ 256.600925][ T5582] ? __free_pages+0x95/0x1a0
[ 256.606482][ T5582] ? vscnprintf+0x80/0x80
[ 256.613088][ T5582] gfs2_fill_super+0x11ed/0x1ea0
[ 256.619226][ T5582] ? gfs2_reconfigure+0xd80/0xd80
[ 256.626094][ T5582] ? sb_set_blocksize+0xa5/0xe0
[ 256.631483][ T5582] get_tree_bdev+0x3e6/0x610
[ 256.636431][ T5582] ? gfs2_reconfigure+0xd80/0xd80
[ 256.641456][ T5582] gfs2_get_tree+0x4d/0x1e0
[ 256.646596][ T5582] vfs_get_tree+0x88/0x270
[ 256.652001][ T5582] do_new_mount+0x247/0xa40
[ 256.657230][ T5582] __se_sys_mount+0x2e3/0x3d0
[ 256.662078][ T5582] ? __x64_sys_mount+0xc0/0xc0
[ 256.666845][ T5582] ? lockdep_hardirqs_on+0x94/0x140
[ 256.672221][ T5582] ? __x64_sys_mount+0x1c/0xc0
[ 256.677013][ T5582] do_syscall_64+0x4c/0xa0
[ 256.681530][ T5582] ? clear_bhb_loop+0x30/0x80
[ 256.686615][ T5582] ? clear_bhb_loop+0x30/0x80
[ 256.691531][ T5582] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 256.697432][ T5582] RIP: 0033:0x7f3f0c313a8a
[ 256.701941][ T5582] 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
[ 256.721718][ T5582] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 256.730807][ T5582] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 256.740074][ T5582] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 256.749448][ T5582] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 256.758901][ T5582] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 256.767830][ T5582] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 256.776041][ T5582]
[ 256.781799][ T5582] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 256.795436][ T5582] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 257.115536][ T5584] loop1: detected capacity change from 0 to 32768
[ 257.220368][ T5584] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 257.228018][ T5584] CPU: 0 PID: 5584 Comm: syz.1.204 Not tainted syzkaller #0
[ 257.235415][ T5584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 257.246012][ T5584] Call Trace:
[ 257.249532][ T5584]
[ 257.252494][ T5584] dump_stack_lvl+0x188/0x250
[ 257.257199][ T5584] ? show_regs_print_info+0x20/0x20
[ 257.262516][ T5584] ? load_image+0x410/0x410
[ 257.267228][ T5584] sysfs_create_dir_ns+0x26a/0x290
[ 257.272696][ T5584] ? sysfs_warn_dup+0xa0/0xa0
[ 257.277495][ T5584] ? do_raw_spin_unlock+0x11d/0x230
[ 257.282712][ T5584] kobject_add_internal+0x5ba/0xcd0
[ 257.287916][ T5584] kobject_init_and_add+0x128/0x190
[ 257.293429][ T5584] ? lockdep_softirqs_off+0x430/0x430
[ 257.299631][ T5584] ? kobject_add+0x230/0x230
[ 257.304615][ T5584] ? __init_swait_queue_head+0xa4/0x140
[ 257.312590][ T5584] gfs2_sys_fs_add+0x24f/0x4b0
[ 257.317663][ T5584] ? gfs2_recover_set+0x240/0x240
[ 257.323699][ T5584] ? snprintf+0xe5/0x140
[ 257.328511][ T5584] ? __free_pages+0x95/0x1a0
[ 257.333515][ T5584] ? vscnprintf+0x80/0x80
[ 257.338487][ T5584] gfs2_fill_super+0x11ed/0x1ea0
[ 257.343548][ T5584] ? gfs2_reconfigure+0xd80/0xd80
[ 257.348830][ T5584] ? sb_set_blocksize+0xa5/0xe0
[ 257.353741][ T5584] get_tree_bdev+0x3e6/0x610
[ 257.359166][ T5584] ? gfs2_reconfigure+0xd80/0xd80
[ 257.364684][ T5584] gfs2_get_tree+0x4d/0x1e0
[ 257.369802][ T5584] vfs_get_tree+0x88/0x270
[ 257.374461][ T5584] do_new_mount+0x247/0xa40
[ 257.379664][ T5584] __se_sys_mount+0x2e3/0x3d0
[ 257.384569][ T5584] ? __x64_sys_mount+0xc0/0xc0
[ 257.390228][ T5584] ? lockdep_hardirqs_on+0x94/0x140
[ 257.396236][ T5584] ? __x64_sys_mount+0x1c/0xc0
[ 257.401478][ T5584] do_syscall_64+0x4c/0xa0
[ 257.406015][ T5584] ? clear_bhb_loop+0x30/0x80
[ 257.410867][ T5584] ? clear_bhb_loop+0x30/0x80
[ 257.415547][ T5584] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 257.422158][ T5584] RIP: 0033:0x7f3f0c313a8a
[ 257.426952][ T5584] 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
[ 257.447547][ T5584] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 257.456660][ T5584] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 257.464811][ T5584] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 257.472951][ T5584] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 257.481092][ T5584] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 257.489263][ T5584] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 257.497635][ T5584]
[ 257.502189][ T5584] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 257.516648][ T5584] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 257.822561][ T5586] loop1: detected capacity change from 0 to 32768
[ 257.868696][ T5586] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 257.876794][ T5586] CPU: 0 PID: 5586 Comm: syz.1.205 Not tainted syzkaller #0
[ 257.884470][ T5586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 257.894751][ T5586] Call Trace:
[ 257.898489][ T5586]
[ 257.901636][ T5586] dump_stack_lvl+0x188/0x250
[ 257.906343][ T5586] ? show_regs_print_info+0x20/0x20
[ 257.912894][ T5586] ? load_image+0x410/0x410
[ 257.917621][ T5586] sysfs_create_dir_ns+0x26a/0x290
[ 257.923147][ T5586] ? sysfs_warn_dup+0xa0/0xa0
[ 257.927975][ T5586] ? do_raw_spin_unlock+0x11d/0x230
[ 257.933466][ T5586] kobject_add_internal+0x5ba/0xcd0
[ 257.939220][ T5586] kobject_init_and_add+0x128/0x190
[ 257.944530][ T5586] ? lockdep_softirqs_off+0x430/0x430
[ 257.950127][ T5586] ? kobject_add+0x230/0x230
[ 257.955080][ T5586] ? __init_swait_queue_head+0xa4/0x140
[ 257.961268][ T5586] gfs2_sys_fs_add+0x24f/0x4b0
[ 257.966076][ T5586] ? gfs2_recover_set+0x240/0x240
[ 257.971493][ T5586] ? snprintf+0xe5/0x140
[ 257.976114][ T5586] ? __free_pages+0x95/0x1a0
[ 257.981088][ T5586] ? vscnprintf+0x80/0x80
[ 257.985431][ T5586] gfs2_fill_super+0x11ed/0x1ea0
[ 257.990976][ T5586] ? gfs2_reconfigure+0xd80/0xd80
[ 257.997568][ T5586] ? sb_set_blocksize+0xa5/0xe0
[ 258.003245][ T5586] get_tree_bdev+0x3e6/0x610
[ 258.008882][ T5586] ? gfs2_reconfigure+0xd80/0xd80
[ 258.014694][ T5586] gfs2_get_tree+0x4d/0x1e0
[ 258.020556][ T5586] vfs_get_tree+0x88/0x270
[ 258.026036][ T5586] do_new_mount+0x247/0xa40
[ 258.030817][ T5586] __se_sys_mount+0x2e3/0x3d0
[ 258.036149][ T5586] ? __x64_sys_mount+0xc0/0xc0
[ 258.041671][ T5586] ? lockdep_hardirqs_on+0x94/0x140
[ 258.047718][ T5586] ? __x64_sys_mount+0x1c/0xc0
[ 258.052684][ T5586] do_syscall_64+0x4c/0xa0
[ 258.058008][ T5586] ? clear_bhb_loop+0x30/0x80
[ 258.063050][ T5586] ? clear_bhb_loop+0x30/0x80
[ 258.068786][ T5586] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 258.075681][ T5586] RIP: 0033:0x7f3f0c313a8a
[ 258.081134][ T5586] 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
[ 258.106558][ T5586] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 258.116633][ T5586] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 258.125197][ T5586] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 258.133281][ T5586] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 258.141908][ T5586] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 258.151146][ T5586] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 258.161343][ T5586]
[ 258.174945][ T5586] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 258.191715][ T5586] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 258.548529][ T5588] loop1: detected capacity change from 0 to 32768
[ 258.569430][ T5588] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 258.578935][ T5588] CPU: 1 PID: 5588 Comm: syz.1.206 Not tainted syzkaller #0
[ 258.587137][ T5588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 258.598778][ T5588] Call Trace:
[ 258.602485][ T5588]
[ 258.605710][ T5588] dump_stack_lvl+0x188/0x250
[ 258.610538][ T5588] ? show_regs_print_info+0x20/0x20
[ 258.616066][ T5588] ? load_image+0x410/0x410
[ 258.620693][ T5588] sysfs_create_dir_ns+0x26a/0x290
[ 258.626272][ T5588] ? sysfs_warn_dup+0xa0/0xa0
[ 258.631149][ T5588] ? do_raw_spin_unlock+0x11d/0x230
[ 258.636844][ T5588] kobject_add_internal+0x5ba/0xcd0
[ 258.642347][ T5588] kobject_init_and_add+0x128/0x190
[ 258.647781][ T5588] ? lockdep_softirqs_off+0x430/0x430
[ 258.653431][ T5588] ? kobject_add+0x230/0x230
[ 258.658101][ T5588] ? __init_swait_queue_head+0xa4/0x140
[ 258.664203][ T5588] gfs2_sys_fs_add+0x24f/0x4b0
[ 258.669056][ T5588] ? gfs2_recover_set+0x240/0x240
[ 258.674093][ T5588] ? snprintf+0xe5/0x140
[ 258.678618][ T5588] ? __free_pages+0x95/0x1a0
[ 258.683472][ T5588] ? vscnprintf+0x80/0x80
[ 258.688197][ T5588] gfs2_fill_super+0x11ed/0x1ea0
[ 258.693483][ T5588] ? gfs2_reconfigure+0xd80/0xd80
[ 258.699354][ T5588] ? sb_set_blocksize+0xa5/0xe0
[ 258.704519][ T5588] get_tree_bdev+0x3e6/0x610
[ 258.709293][ T5588] ? gfs2_reconfigure+0xd80/0xd80
[ 258.714656][ T5588] gfs2_get_tree+0x4d/0x1e0
[ 258.719558][ T5588] vfs_get_tree+0x88/0x270
[ 258.724554][ T5588] do_new_mount+0x247/0xa40
[ 258.729485][ T5588] __se_sys_mount+0x2e3/0x3d0
[ 258.735181][ T5588] ? __x64_sys_mount+0xc0/0xc0
[ 258.740873][ T5588] ? lockdep_hardirqs_on+0x94/0x140
[ 258.746653][ T5588] ? __x64_sys_mount+0x1c/0xc0
[ 258.752135][ T5588] do_syscall_64+0x4c/0xa0
[ 258.757198][ T5588] ? clear_bhb_loop+0x30/0x80
[ 258.762010][ T5588] ? clear_bhb_loop+0x30/0x80
[ 258.766817][ T5588] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 258.773426][ T5588] RIP: 0033:0x7f3f0c313a8a
[ 258.778208][ T5588] 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
[ 258.799227][ T5588] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 258.808018][ T5588] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 258.816116][ T5588] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 258.824082][ T5588] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 258.832150][ T5588] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 258.840481][ T5588] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 258.849757][ T5588]
[ 258.854362][ T5588] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 258.867644][ T5588] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 259.186450][ T5590] loop1: detected capacity change from 0 to 32768
[ 259.238671][ T5590] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 259.254232][ T5590] CPU: 0 PID: 5590 Comm: syz.1.207 Not tainted syzkaller #0
[ 259.261649][ T5590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 259.272226][ T5590] Call Trace:
[ 259.275687][ T5590]
[ 259.278671][ T5590] dump_stack_lvl+0x188/0x250
[ 259.283550][ T5590] ? show_regs_print_info+0x20/0x20
[ 259.288775][ T5590] ? load_image+0x410/0x410
[ 259.293399][ T5590] sysfs_create_dir_ns+0x26a/0x290
[ 259.299309][ T5590] ? sysfs_warn_dup+0xa0/0xa0
[ 259.304016][ T5590] ? do_raw_spin_unlock+0x11d/0x230
[ 259.309236][ T5590] kobject_add_internal+0x5ba/0xcd0
[ 259.314815][ T5590] kobject_init_and_add+0x128/0x190
[ 259.320036][ T5590] ? lockdep_softirqs_off+0x430/0x430
[ 259.325613][ T5590] ? kobject_add+0x230/0x230
[ 259.330648][ T5590] ? __init_swait_queue_head+0xa4/0x140
[ 259.337015][ T5590] gfs2_sys_fs_add+0x24f/0x4b0
[ 259.342530][ T5590] ? gfs2_recover_set+0x240/0x240
[ 259.347565][ T5590] ? snprintf+0xe5/0x140
[ 259.352225][ T5590] ? __free_pages+0x95/0x1a0
[ 259.357059][ T5590] ? vscnprintf+0x80/0x80
[ 259.361733][ T5590] gfs2_fill_super+0x11ed/0x1ea0
[ 259.367328][ T5590] ? gfs2_reconfigure+0xd80/0xd80
[ 259.372505][ T5590] ? sb_set_blocksize+0xa5/0xe0
[ 259.377447][ T5590] get_tree_bdev+0x3e6/0x610
[ 259.382383][ T5590] ? gfs2_reconfigure+0xd80/0xd80
[ 259.387434][ T5590] gfs2_get_tree+0x4d/0x1e0
[ 259.392066][ T5590] vfs_get_tree+0x88/0x270
[ 259.396742][ T5590] do_new_mount+0x247/0xa40
[ 259.401357][ T5590] __se_sys_mount+0x2e3/0x3d0
[ 259.406040][ T5590] ? __x64_sys_mount+0xc0/0xc0
[ 259.411010][ T5590] ? lockdep_hardirqs_on+0x94/0x140
[ 259.416384][ T5590] ? __x64_sys_mount+0x1c/0xc0
[ 259.421415][ T5590] do_syscall_64+0x4c/0xa0
[ 259.426575][ T5590] ? clear_bhb_loop+0x30/0x80
[ 259.431543][ T5590] ? clear_bhb_loop+0x30/0x80
[ 259.436465][ T5590] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 259.442756][ T5590] RIP: 0033:0x7f3f0c313a8a
[ 259.447329][ T5590] 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
[ 259.468347][ T5590] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 259.477015][ T5590] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 259.485256][ T5590] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 259.493706][ T5590] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 259.502245][ T5590] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 259.511261][ T5590] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 259.519686][ T5590]
[ 259.524085][ T5590] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 259.538620][ T5590] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 259.851626][ T5592] loop1: detected capacity change from 0 to 32768
[ 259.914359][ T5592] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 259.922075][ T5592] CPU: 0 PID: 5592 Comm: syz.1.208 Not tainted syzkaller #0
[ 259.929371][ T5592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 259.939459][ T5592] Call Trace:
[ 259.942755][ T5592]
[ 259.945812][ T5592] dump_stack_lvl+0x188/0x250
[ 259.950515][ T5592] ? show_regs_print_info+0x20/0x20
[ 259.956136][ T5592] ? load_image+0x410/0x410
[ 259.960678][ T5592] sysfs_create_dir_ns+0x26a/0x290
[ 259.965818][ T5592] ? sysfs_warn_dup+0xa0/0xa0
[ 259.970646][ T5592] ? do_raw_spin_unlock+0x11d/0x230
[ 259.975869][ T5592] kobject_add_internal+0x5ba/0xcd0
[ 259.981107][ T5592] kobject_init_and_add+0x128/0x190
[ 259.987253][ T5592] ? lockdep_softirqs_off+0x430/0x430
[ 259.993009][ T5592] ? kobject_add+0x230/0x230
[ 259.997725][ T5592] ? __init_swait_queue_head+0xa4/0x140
[ 260.003790][ T5592] gfs2_sys_fs_add+0x24f/0x4b0
[ 260.008711][ T5592] ? gfs2_recover_set+0x240/0x240
[ 260.014083][ T5592] ? snprintf+0xe5/0x140
[ 260.018431][ T5592] ? __free_pages+0x95/0x1a0
[ 260.023043][ T5592] ? vscnprintf+0x80/0x80
[ 260.027759][ T5592] gfs2_fill_super+0x11ed/0x1ea0
[ 260.032805][ T5592] ? gfs2_reconfigure+0xd80/0xd80
[ 260.037926][ T5592] ? sb_set_blocksize+0xa5/0xe0
[ 260.042884][ T5592] get_tree_bdev+0x3e6/0x610
[ 260.047573][ T5592] ? gfs2_reconfigure+0xd80/0xd80
[ 260.052737][ T5592] gfs2_get_tree+0x4d/0x1e0
[ 260.057234][ T5592] vfs_get_tree+0x88/0x270
[ 260.061937][ T5592] do_new_mount+0x247/0xa40
[ 260.066558][ T5592] __se_sys_mount+0x2e3/0x3d0
[ 260.071343][ T5592] ? __x64_sys_mount+0xc0/0xc0
[ 260.076803][ T5592] ? lockdep_hardirqs_on+0x94/0x140
[ 260.082439][ T5592] ? __x64_sys_mount+0x1c/0xc0
[ 260.087214][ T5592] do_syscall_64+0x4c/0xa0
[ 260.091726][ T5592] ? clear_bhb_loop+0x30/0x80
[ 260.096610][ T5592] ? clear_bhb_loop+0x30/0x80
[ 260.101465][ T5592] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 260.107448][ T5592] RIP: 0033:0x7f3f0c313a8a
[ 260.112137][ T5592] 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
[ 260.132288][ T5592] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 260.140901][ T5592] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 260.149220][ T5592] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 260.157296][ T5592] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 260.165452][ T5592] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 260.173417][ T5592] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 260.181573][ T5592]
[ 260.185726][ T5592] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 260.199310][ T5592] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/07/19 20:32:52 executed programs: 194
[ 260.505541][ T5594] loop1: detected capacity change from 0 to 32768
[ 260.619891][ T5594] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 260.628042][ T5594] CPU: 0 PID: 5594 Comm: syz.1.209 Not tainted syzkaller #0
[ 260.635354][ T5594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 260.645788][ T5594] Call Trace:
[ 260.649265][ T5594]
[ 260.652396][ T5594] dump_stack_lvl+0x188/0x250
[ 260.657099][ T5594] ? show_regs_print_info+0x20/0x20
[ 260.662329][ T5594] ? load_image+0x410/0x410
[ 260.666849][ T5594] sysfs_create_dir_ns+0x26a/0x290
[ 260.672042][ T5594] ? sysfs_warn_dup+0xa0/0xa0
[ 260.676719][ T5594] ? do_raw_spin_unlock+0x11d/0x230
[ 260.681930][ T5594] kobject_add_internal+0x5ba/0xcd0
[ 260.687142][ T5594] kobject_init_and_add+0x128/0x190
[ 260.692462][ T5594] ? lockdep_softirqs_off+0x430/0x430
[ 260.698076][ T5594] ? kobject_add+0x230/0x230
[ 260.702846][ T5594] ? __init_swait_queue_head+0xa4/0x140
[ 260.708485][ T5594] gfs2_sys_fs_add+0x24f/0x4b0
[ 260.713253][ T5594] ? gfs2_recover_set+0x240/0x240
[ 260.718456][ T5594] ? snprintf+0xe5/0x140
[ 260.722955][ T5594] ? __free_pages+0x95/0x1a0
[ 260.727734][ T5594] ? vscnprintf+0x80/0x80
[ 260.732324][ T5594] gfs2_fill_super+0x11ed/0x1ea0
[ 260.737267][ T5594] ? gfs2_reconfigure+0xd80/0xd80
[ 260.742655][ T5594] ? sb_set_blocksize+0xa5/0xe0
[ 260.747495][ T5594] get_tree_bdev+0x3e6/0x610
[ 260.752257][ T5594] ? gfs2_reconfigure+0xd80/0xd80
[ 260.757878][ T5594] gfs2_get_tree+0x4d/0x1e0
[ 260.762478][ T5594] vfs_get_tree+0x88/0x270
[ 260.767993][ T5594] do_new_mount+0x247/0xa40
[ 260.772981][ T5594] __se_sys_mount+0x2e3/0x3d0
[ 260.777753][ T5594] ? __x64_sys_mount+0xc0/0xc0
[ 260.782601][ T5594] ? lockdep_hardirqs_on+0x94/0x140
[ 260.787969][ T5594] ? __x64_sys_mount+0x1c/0xc0
[ 260.792896][ T5594] do_syscall_64+0x4c/0xa0
[ 260.797411][ T5594] ? clear_bhb_loop+0x30/0x80
[ 260.802470][ T5594] ? clear_bhb_loop+0x30/0x80
[ 260.807230][ T5594] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 260.813202][ T5594] RIP: 0033:0x7f3f0c313a8a
[ 260.817615][ T5594] 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
[ 260.837861][ T5594] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 260.846480][ T5594] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 260.854880][ T5594] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 260.863026][ T5594] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 260.871077][ T5594] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 260.879069][ T5594] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 260.887037][ T5594]
[ 260.891110][ T5594] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 260.904482][ T5594] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 261.229892][ T5596] loop1: detected capacity change from 0 to 32768
[ 261.248396][ T5596] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 261.256255][ T5596] CPU: 0 PID: 5596 Comm: syz.1.210 Not tainted syzkaller #0
[ 261.265043][ T5596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 261.275792][ T5596] Call Trace:
[ 261.279170][ T5596]
[ 261.282109][ T5596] dump_stack_lvl+0x188/0x250
[ 261.286944][ T5596] ? show_regs_print_info+0x20/0x20
[ 261.292464][ T5596] ? load_image+0x410/0x410
[ 261.297092][ T5596] sysfs_create_dir_ns+0x26a/0x290
[ 261.302423][ T5596] ? sysfs_warn_dup+0xa0/0xa0
[ 261.307208][ T5596] ? do_raw_spin_unlock+0x11d/0x230
[ 261.312689][ T5596] kobject_add_internal+0x5ba/0xcd0
[ 261.318084][ T5596] kobject_init_and_add+0x128/0x190
[ 261.323404][ T5596] ? lockdep_softirqs_off+0x430/0x430
[ 261.328808][ T5596] ? kobject_add+0x230/0x230
[ 261.333584][ T5596] ? __init_swait_queue_head+0xa4/0x140
[ 261.339636][ T5596] gfs2_sys_fs_add+0x24f/0x4b0
[ 261.344918][ T5596] ? gfs2_recover_set+0x240/0x240
[ 261.351137][ T5596] ? snprintf+0xe5/0x140
[ 261.355403][ T5596] ? __free_pages+0x95/0x1a0
[ 261.360113][ T5596] ? vscnprintf+0x80/0x80
[ 261.364909][ T5596] gfs2_fill_super+0x11ed/0x1ea0
[ 261.370108][ T5596] ? gfs2_reconfigure+0xd80/0xd80
[ 261.375241][ T5596] ? sb_set_blocksize+0xa5/0xe0
[ 261.380212][ T5596] get_tree_bdev+0x3e6/0x610
[ 261.384947][ T5596] ? gfs2_reconfigure+0xd80/0xd80
[ 261.390369][ T5596] gfs2_get_tree+0x4d/0x1e0
[ 261.395077][ T5596] vfs_get_tree+0x88/0x270
[ 261.399944][ T5596] do_new_mount+0x247/0xa40
[ 261.404450][ T5596] __se_sys_mount+0x2e3/0x3d0
[ 261.409296][ T5596] ? __x64_sys_mount+0xc0/0xc0
[ 261.414137][ T5596] ? lockdep_hardirqs_on+0x94/0x140
[ 261.419528][ T5596] ? __x64_sys_mount+0x1c/0xc0
[ 261.425227][ T5596] do_syscall_64+0x4c/0xa0
[ 261.429907][ T5596] ? clear_bhb_loop+0x30/0x80
[ 261.434757][ T5596] ? clear_bhb_loop+0x30/0x80
[ 261.439956][ T5596] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 261.446000][ T5596] RIP: 0033:0x7f3f0c313a8a
[ 261.450856][ T5596] 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
[ 261.472184][ T5596] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 261.480590][ T5596] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 261.490189][ T5596] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 261.498771][ T5596] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 261.507566][ T5596] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 261.515997][ T5596] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 261.525833][ T5596]
[ 261.538143][ T5596] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 261.552740][ T5596] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 261.863419][ T5598] loop1: detected capacity change from 0 to 32768
[ 261.949803][ T5598] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 261.957370][ T5598] CPU: 0 PID: 5598 Comm: syz.1.211 Not tainted syzkaller #0
[ 261.964852][ T5598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 261.975095][ T5598] Call Trace:
[ 261.978405][ T5598]
[ 261.981365][ T5598] dump_stack_lvl+0x188/0x250
[ 261.986158][ T5598] ? show_regs_print_info+0x20/0x20
[ 261.991468][ T5598] ? load_image+0x410/0x410
[ 261.996136][ T5598] sysfs_create_dir_ns+0x26a/0x290
[ 262.001773][ T5598] ? sysfs_warn_dup+0xa0/0xa0
[ 262.006481][ T5598] ? do_raw_spin_unlock+0x11d/0x230
[ 262.011837][ T5598] kobject_add_internal+0x5ba/0xcd0
[ 262.017385][ T5598] kobject_init_and_add+0x128/0x190
[ 262.022927][ T5598] ? lockdep_softirqs_off+0x430/0x430
[ 262.028870][ T5598] ? kobject_add+0x230/0x230
[ 262.033789][ T5598] ? __init_swait_queue_head+0xa4/0x140
[ 262.039841][ T5598] gfs2_sys_fs_add+0x24f/0x4b0
[ 262.044826][ T5598] ? gfs2_recover_set+0x240/0x240
[ 262.050072][ T5598] ? snprintf+0xe5/0x140
[ 262.054522][ T5598] ? __free_pages+0x95/0x1a0
[ 262.059546][ T5598] ? vscnprintf+0x80/0x80
[ 262.064108][ T5598] gfs2_fill_super+0x11ed/0x1ea0
[ 262.069079][ T5598] ? gfs2_reconfigure+0xd80/0xd80
[ 262.074780][ T5598] ? sb_set_blocksize+0xa5/0xe0
[ 262.079988][ T5598] get_tree_bdev+0x3e6/0x610
[ 262.084597][ T5598] ? gfs2_reconfigure+0xd80/0xd80
[ 262.089761][ T5598] gfs2_get_tree+0x4d/0x1e0
[ 262.094839][ T5598] vfs_get_tree+0x88/0x270
[ 262.099629][ T5598] do_new_mount+0x247/0xa40
[ 262.104488][ T5598] __se_sys_mount+0x2e3/0x3d0
[ 262.109872][ T5598] ? __x64_sys_mount+0xc0/0xc0
[ 262.115018][ T5598] ? lockdep_hardirqs_on+0x94/0x140
[ 262.120740][ T5598] ? __x64_sys_mount+0x1c/0xc0
[ 262.125756][ T5598] do_syscall_64+0x4c/0xa0
[ 262.130554][ T5598] ? clear_bhb_loop+0x30/0x80
[ 262.135560][ T5598] ? clear_bhb_loop+0x30/0x80
[ 262.140379][ T5598] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 262.146626][ T5598] RIP: 0033:0x7f3f0c313a8a
[ 262.151335][ T5598] 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
[ 262.171915][ T5598] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 262.180583][ T5598] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 262.189130][ T5598] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 262.198179][ T5598] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 262.206650][ T5598] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 262.215726][ T5598] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 262.223981][ T5598]
[ 262.228429][ T5598] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 262.242023][ T5598] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 262.568613][ T5600] loop1: detected capacity change from 0 to 32768
[ 262.639632][ T5600] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 262.647728][ T5600] CPU: 1 PID: 5600 Comm: syz.1.212 Not tainted syzkaller #0
[ 262.655206][ T5600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 262.665429][ T5600] Call Trace:
[ 262.669227][ T5600]
[ 262.672232][ T5600] dump_stack_lvl+0x188/0x250
[ 262.677288][ T5600] ? show_regs_print_info+0x20/0x20
[ 262.682796][ T5600] ? load_image+0x410/0x410
[ 262.687416][ T5600] sysfs_create_dir_ns+0x26a/0x290
[ 262.692552][ T5600] ? sysfs_warn_dup+0xa0/0xa0
[ 262.697702][ T5600] ? do_raw_spin_unlock+0x11d/0x230
[ 262.703152][ T5600] kobject_add_internal+0x5ba/0xcd0
[ 262.708727][ T5600] kobject_init_and_add+0x128/0x190
[ 262.714124][ T5600] ? lockdep_softirqs_off+0x430/0x430
[ 262.720087][ T5600] ? kobject_add+0x230/0x230
[ 262.725396][ T5600] ? __init_swait_queue_head+0xa4/0x140
[ 262.732793][ T5600] gfs2_sys_fs_add+0x24f/0x4b0
[ 262.737693][ T5600] ? gfs2_recover_set+0x240/0x240
[ 262.743414][ T5600] ? snprintf+0xe5/0x140
[ 262.747899][ T5600] ? __free_pages+0x95/0x1a0
[ 262.752891][ T5600] ? vscnprintf+0x80/0x80
[ 262.757904][ T5600] gfs2_fill_super+0x11ed/0x1ea0
[ 262.763675][ T5600] ? gfs2_reconfigure+0xd80/0xd80
[ 262.769434][ T5600] ? sb_set_blocksize+0xa5/0xe0
[ 262.775903][ T5600] get_tree_bdev+0x3e6/0x610
[ 262.781273][ T5600] ? gfs2_reconfigure+0xd80/0xd80
[ 262.786519][ T5600] gfs2_get_tree+0x4d/0x1e0
[ 262.792400][ T5600] vfs_get_tree+0x88/0x270
[ 262.797403][ T5600] do_new_mount+0x247/0xa40
[ 262.802683][ T5600] __se_sys_mount+0x2e3/0x3d0
[ 262.808067][ T5600] ? __x64_sys_mount+0xc0/0xc0
[ 262.812939][ T5600] ? lockdep_hardirqs_on+0x94/0x140
[ 262.818251][ T5600] ? __x64_sys_mount+0x1c/0xc0
[ 262.823100][ T5600] do_syscall_64+0x4c/0xa0
[ 262.827793][ T5600] ? clear_bhb_loop+0x30/0x80
[ 262.832739][ T5600] ? clear_bhb_loop+0x30/0x80
[ 262.840141][ T5600] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 262.847047][ T5600] RIP: 0033:0x7f3f0c313a8a
[ 262.852488][ T5600] 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
[ 262.874156][ T5600] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 262.884033][ T5600] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 262.893702][ T5600] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 262.903123][ T5600] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 262.911570][ T5600] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 262.920499][ T5600] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 262.931217][ T5600]
[ 262.936072][ T5600] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 262.950560][ T5600] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 263.266726][ T5602] loop1: detected capacity change from 0 to 32768
[ 263.296172][ T5602] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 263.303843][ T5602] CPU: 1 PID: 5602 Comm: syz.1.213 Not tainted syzkaller #0
[ 263.311499][ T5602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 263.322553][ T5602] Call Trace:
[ 263.325963][ T5602]
[ 263.329167][ T5602] dump_stack_lvl+0x188/0x250
[ 263.334139][ T5602] ? show_regs_print_info+0x20/0x20
[ 263.339718][ T5602] ? load_image+0x410/0x410
[ 263.344257][ T5602] sysfs_create_dir_ns+0x26a/0x290
[ 263.349656][ T5602] ? sysfs_warn_dup+0xa0/0xa0
[ 263.354439][ T5602] ? do_raw_spin_unlock+0x11d/0x230
[ 263.360046][ T5602] kobject_add_internal+0x5ba/0xcd0
[ 263.365511][ T5602] kobject_init_and_add+0x128/0x190
[ 263.371143][ T5602] ? lockdep_softirqs_off+0x430/0x430
[ 263.376907][ T5602] ? kobject_add+0x230/0x230
[ 263.381621][ T5602] ? __init_swait_queue_head+0xa4/0x140
[ 263.387428][ T5602] gfs2_sys_fs_add+0x24f/0x4b0
[ 263.392509][ T5602] ? gfs2_recover_set+0x240/0x240
[ 263.398584][ T5602] ? snprintf+0xe5/0x140
[ 263.403771][ T5602] ? __free_pages+0x95/0x1a0
[ 263.408960][ T5602] ? vscnprintf+0x80/0x80
[ 263.413593][ T5602] gfs2_fill_super+0x11ed/0x1ea0
[ 263.418723][ T5602] ? gfs2_reconfigure+0xd80/0xd80
[ 263.424341][ T5602] ? sb_set_blocksize+0xa5/0xe0
[ 263.429679][ T5602] get_tree_bdev+0x3e6/0x610
[ 263.434765][ T5602] ? gfs2_reconfigure+0xd80/0xd80
[ 263.441454][ T5602] gfs2_get_tree+0x4d/0x1e0
[ 263.446147][ T5602] vfs_get_tree+0x88/0x270
[ 263.451784][ T5602] do_new_mount+0x247/0xa40
[ 263.456797][ T5602] __se_sys_mount+0x2e3/0x3d0
[ 263.461901][ T5602] ? __x64_sys_mount+0xc0/0xc0
[ 263.467094][ T5602] ? lockdep_hardirqs_on+0x94/0x140
[ 263.472468][ T5602] ? __x64_sys_mount+0x1c/0xc0
[ 263.477444][ T5602] do_syscall_64+0x4c/0xa0
[ 263.482021][ T5602] ? clear_bhb_loop+0x30/0x80
[ 263.487305][ T5602] ? clear_bhb_loop+0x30/0x80
[ 263.492155][ T5602] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 263.498308][ T5602] RIP: 0033:0x7f3f0c313a8a
[ 263.502899][ T5602] 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
[ 263.528196][ T5602] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 263.540742][ T5602] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 263.549070][ T5602] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 263.558277][ T5602] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 263.567625][ T5602] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 263.581218][ T5602] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 263.592273][ T5602]
[ 263.597491][ T5602] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 263.614507][ T5602] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 263.939860][ T5604] loop1: detected capacity change from 0 to 32768
[ 263.950598][ T5604] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 263.959746][ T5604] CPU: 1 PID: 5604 Comm: syz.1.214 Not tainted syzkaller #0
[ 263.967268][ T5604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 263.978577][ T5604] Call Trace:
[ 263.981993][ T5604]
[ 263.985117][ T5604] dump_stack_lvl+0x188/0x250
[ 263.991069][ T5604] ? show_regs_print_info+0x20/0x20
[ 263.997749][ T5604] ? load_image+0x410/0x410
[ 264.002456][ T5604] sysfs_create_dir_ns+0x26a/0x290
[ 264.007775][ T5604] ? sysfs_warn_dup+0xa0/0xa0
[ 264.012549][ T5604] ? do_raw_spin_unlock+0x11d/0x230
[ 264.017858][ T5604] kobject_add_internal+0x5ba/0xcd0
[ 264.024152][ T5604] kobject_init_and_add+0x128/0x190
[ 264.031128][ T5604] ? lockdep_softirqs_off+0x430/0x430
[ 264.037661][ T5604] ? kobject_add+0x230/0x230
[ 264.043266][ T5604] ? __init_swait_queue_head+0xa4/0x140
[ 264.049598][ T5604] gfs2_sys_fs_add+0x24f/0x4b0
[ 264.055935][ T5604] ? gfs2_recover_set+0x240/0x240
[ 264.061023][ T5604] ? snprintf+0xe5/0x140
[ 264.065448][ T5604] ? __free_pages+0x95/0x1a0
[ 264.070384][ T5604] ? vscnprintf+0x80/0x80
[ 264.074950][ T5604] gfs2_fill_super+0x11ed/0x1ea0
[ 264.080337][ T5604] ? gfs2_reconfigure+0xd80/0xd80
[ 264.086868][ T5604] ? sb_set_blocksize+0xa5/0xe0
[ 264.092635][ T5604] get_tree_bdev+0x3e6/0x610
[ 264.098062][ T5604] ? gfs2_reconfigure+0xd80/0xd80
[ 264.103523][ T5604] gfs2_get_tree+0x4d/0x1e0
[ 264.108675][ T5604] vfs_get_tree+0x88/0x270
[ 264.113261][ T5604] do_new_mount+0x247/0xa40
[ 264.118151][ T5604] __se_sys_mount+0x2e3/0x3d0
[ 264.122845][ T5604] ? __x64_sys_mount+0xc0/0xc0
[ 264.127877][ T5604] ? lockdep_hardirqs_on+0x94/0x140
[ 264.133249][ T5604] ? __x64_sys_mount+0x1c/0xc0
[ 264.138004][ T5604] do_syscall_64+0x4c/0xa0
[ 264.142918][ T5604] ? clear_bhb_loop+0x30/0x80
[ 264.147615][ T5604] ? clear_bhb_loop+0x30/0x80
[ 264.152286][ T5604] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 264.158250][ T5604] RIP: 0033:0x7f3f0c313a8a
[ 264.162954][ T5604] 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
[ 264.182914][ T5604] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 264.191323][ T5604] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 264.199375][ T5604] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 264.207349][ T5604] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 264.215683][ T5604] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 264.224218][ T5604] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 264.232281][ T5604]
[ 264.237229][ T5604] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 264.250870][ T5604] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 264.574389][ T5606] loop1: detected capacity change from 0 to 32768
[ 264.659927][ T5606] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 264.667640][ T5606] CPU: 1 PID: 5606 Comm: syz.1.215 Not tainted syzkaller #0
[ 264.675208][ T5606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 264.685288][ T5606] Call Trace:
[ 264.688690][ T5606]
[ 264.691642][ T5606] dump_stack_lvl+0x188/0x250
[ 264.696342][ T5606] ? show_regs_print_info+0x20/0x20
[ 264.701668][ T5606] ? load_image+0x410/0x410
[ 264.706283][ T5606] sysfs_create_dir_ns+0x26a/0x290
[ 264.711912][ T5606] ? sysfs_warn_dup+0xa0/0xa0
[ 264.716679][ T5606] ? do_raw_spin_unlock+0x11d/0x230
[ 264.722224][ T5606] kobject_add_internal+0x5ba/0xcd0
[ 264.727609][ T5606] kobject_init_and_add+0x128/0x190
[ 264.732912][ T5606] ? lockdep_softirqs_off+0x430/0x430
[ 264.738739][ T5606] ? kobject_add+0x230/0x230
[ 264.743320][ T5606] ? __init_swait_queue_head+0xa4/0x140
[ 264.748851][ T5606] gfs2_sys_fs_add+0x24f/0x4b0
[ 264.753869][ T5606] ? gfs2_recover_set+0x240/0x240
[ 264.758877][ T5606] ? snprintf+0xe5/0x140
[ 264.763133][ T5606] ? __free_pages+0x95/0x1a0
[ 264.767820][ T5606] ? vscnprintf+0x80/0x80
[ 264.772228][ T5606] gfs2_fill_super+0x11ed/0x1ea0
[ 264.777155][ T5606] ? gfs2_reconfigure+0xd80/0xd80
[ 264.782524][ T5606] ? sb_set_blocksize+0xa5/0xe0
[ 264.787584][ T5606] get_tree_bdev+0x3e6/0x610
[ 264.792361][ T5606] ? gfs2_reconfigure+0xd80/0xd80
[ 264.797538][ T5606] gfs2_get_tree+0x4d/0x1e0
[ 264.802061][ T5606] vfs_get_tree+0x88/0x270
[ 264.806563][ T5606] do_new_mount+0x247/0xa40
[ 264.811204][ T5606] __se_sys_mount+0x2e3/0x3d0
[ 264.815890][ T5606] ? __x64_sys_mount+0xc0/0xc0
[ 264.820656][ T5606] ? lockdep_hardirqs_on+0x94/0x140
[ 264.825849][ T5606] ? __x64_sys_mount+0x1c/0xc0
[ 264.831105][ T5606] do_syscall_64+0x4c/0xa0
[ 264.835824][ T5606] ? clear_bhb_loop+0x30/0x80
[ 264.840655][ T5606] ? clear_bhb_loop+0x30/0x80
[ 264.845445][ T5606] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 264.851690][ T5606] RIP: 0033:0x7f3f0c313a8a
[ 264.856171][ T5606] 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
[ 264.876505][ T5606] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 264.885740][ T5606] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 264.893887][ T5606] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 264.901946][ T5606] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 264.910144][ T5606] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 264.918431][ T5606] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 264.926588][ T5606]
[ 264.931043][ T5606] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 264.944790][ T5606] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 265.245080][ T5608] loop1: detected capacity change from 0 to 32768
[ 265.264144][ T5608] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 265.271887][ T5608] CPU: 0 PID: 5608 Comm: syz.1.216 Not tainted syzkaller #0
[ 265.279194][ T5608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 265.289447][ T5608] Call Trace:
[ 265.292740][ T5608]
[ 265.295797][ T5608] dump_stack_lvl+0x188/0x250
[ 265.300595][ T5608] ? show_regs_print_info+0x20/0x20
[ 265.305991][ T5608] ? load_image+0x410/0x410
[ 265.310531][ T5608] sysfs_create_dir_ns+0x26a/0x290
[ 265.315753][ T5608] ? sysfs_warn_dup+0xa0/0xa0
[ 265.320718][ T5608] ? do_raw_spin_unlock+0x11d/0x230
[ 265.326028][ T5608] kobject_add_internal+0x5ba/0xcd0
[ 265.331255][ T5608] kobject_init_and_add+0x128/0x190
[ 265.336478][ T5608] ? lockdep_softirqs_off+0x430/0x430
[ 265.342117][ T5608] ? kobject_add+0x230/0x230
[ 265.346795][ T5608] ? __init_swait_queue_head+0xa4/0x140
[ 265.352750][ T5608] gfs2_sys_fs_add+0x24f/0x4b0
[ 265.357518][ T5608] ? gfs2_recover_set+0x240/0x240
[ 265.362624][ T5608] ? snprintf+0xe5/0x140
[ 265.366852][ T5608] ? __free_pages+0x95/0x1a0
[ 265.371428][ T5608] ? vscnprintf+0x80/0x80
[ 265.375837][ T5608] gfs2_fill_super+0x11ed/0x1ea0
[ 265.380771][ T5608] ? gfs2_reconfigure+0xd80/0xd80
[ 265.385803][ T5608] ? sb_set_blocksize+0xa5/0xe0
[ 265.390906][ T5608] get_tree_bdev+0x3e6/0x610
[ 265.395524][ T5608] ? gfs2_reconfigure+0xd80/0xd80
[ 265.400707][ T5608] gfs2_get_tree+0x4d/0x1e0
[ 265.405292][ T5608] vfs_get_tree+0x88/0x270
[ 265.409817][ T5608] do_new_mount+0x247/0xa40
[ 265.414314][ T5608] __se_sys_mount+0x2e3/0x3d0
[ 265.419164][ T5608] ? __x64_sys_mount+0xc0/0xc0
[ 265.424117][ T5608] ? lockdep_hardirqs_on+0x94/0x140
[ 265.429599][ T5608] ? __x64_sys_mount+0x1c/0xc0
[ 265.434810][ T5608] do_syscall_64+0x4c/0xa0
[ 265.439325][ T5608] ? clear_bhb_loop+0x30/0x80
[ 265.443993][ T5608] ? clear_bhb_loop+0x30/0x80
[ 265.448746][ T5608] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 265.454710][ T5608] RIP: 0033:0x7f3f0c313a8a
[ 265.459483][ T5608] 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
[ 265.479165][ T5608] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 265.487796][ T5608] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 265.495963][ T5608] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 265.504105][ T5608] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 265.512352][ T5608] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 265.521153][ T5608] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 265.529684][ T5608]
[ 265.533774][ T5608] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 265.547120][ T5608] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/07/19 20:32:57 executed programs: 202
[ 265.843076][ T5610] loop1: detected capacity change from 0 to 32768
[ 265.906959][ T5610] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 265.914670][ T5610] CPU: 0 PID: 5610 Comm: syz.1.217 Not tainted syzkaller #0
[ 265.922143][ T5610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 265.932655][ T5610] Call Trace:
[ 265.935992][ T5610]
[ 265.938932][ T5610] dump_stack_lvl+0x188/0x250
[ 265.943813][ T5610] ? show_regs_print_info+0x20/0x20
[ 265.949047][ T5610] ? load_image+0x410/0x410
[ 265.953876][ T5610] sysfs_create_dir_ns+0x26a/0x290
[ 265.959097][ T5610] ? sysfs_warn_dup+0xa0/0xa0
[ 265.964252][ T5610] ? do_raw_spin_unlock+0x11d/0x230
[ 265.969661][ T5610] kobject_add_internal+0x5ba/0xcd0
[ 265.974887][ T5610] kobject_init_and_add+0x128/0x190
[ 265.980277][ T5610] ? lockdep_softirqs_off+0x430/0x430
[ 265.985833][ T5610] ? kobject_add+0x230/0x230
[ 265.990438][ T5610] ? __init_swait_queue_head+0xa4/0x140
[ 265.996642][ T5610] gfs2_sys_fs_add+0x24f/0x4b0
[ 266.001509][ T5610] ? gfs2_recover_set+0x240/0x240
[ 266.006707][ T5610] ? snprintf+0xe5/0x140
[ 266.011161][ T5610] ? __free_pages+0x95/0x1a0
[ 266.015933][ T5610] ? vscnprintf+0x80/0x80
[ 266.020565][ T5610] gfs2_fill_super+0x11ed/0x1ea0
[ 266.025751][ T5610] ? gfs2_reconfigure+0xd80/0xd80
[ 266.030889][ T5610] ? sb_set_blocksize+0xa5/0xe0
[ 266.035939][ T5610] get_tree_bdev+0x3e6/0x610
[ 266.040739][ T5610] ? gfs2_reconfigure+0xd80/0xd80
[ 266.046767][ T5610] gfs2_get_tree+0x4d/0x1e0
[ 266.051540][ T5610] vfs_get_tree+0x88/0x270
[ 266.056398][ T5610] do_new_mount+0x247/0xa40
[ 266.061431][ T5610] __se_sys_mount+0x2e3/0x3d0
[ 266.066520][ T5610] ? __x64_sys_mount+0xc0/0xc0
[ 266.071389][ T5610] ? lockdep_hardirqs_on+0x94/0x140
[ 266.076838][ T5610] ? __x64_sys_mount+0x1c/0xc0
[ 266.081807][ T5610] do_syscall_64+0x4c/0xa0
[ 266.086345][ T5610] ? clear_bhb_loop+0x30/0x80
[ 266.091402][ T5610] ? clear_bhb_loop+0x30/0x80
[ 266.096191][ T5610] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 266.102082][ T5610] RIP: 0033:0x7f3f0c313a8a
[ 266.106489][ T5610] 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
[ 266.126995][ T5610] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 266.135498][ T5610] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 266.143645][ T5610] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 266.151869][ T5610] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 266.160177][ T5610] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 266.168243][ T5610] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 266.177291][ T5610]
[ 266.183369][ T5610] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 266.198163][ T5610] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 266.496697][ T5612] loop1: detected capacity change from 0 to 32768
[ 266.547948][ T5612] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 266.555836][ T5612] CPU: 0 PID: 5612 Comm: syz.1.218 Not tainted syzkaller #0
[ 266.563154][ T5612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 266.573801][ T5612] Call Trace:
[ 266.577191][ T5612]
[ 266.580127][ T5612] dump_stack_lvl+0x188/0x250
[ 266.584824][ T5612] ? show_regs_print_info+0x20/0x20
[ 266.590391][ T5612] ? load_image+0x410/0x410
[ 266.595018][ T5612] sysfs_create_dir_ns+0x26a/0x290
[ 266.600367][ T5612] ? sysfs_warn_dup+0xa0/0xa0
[ 266.605241][ T5612] ? do_raw_spin_unlock+0x11d/0x230
[ 266.610962][ T5612] kobject_add_internal+0x5ba/0xcd0
[ 266.616187][ T5612] kobject_init_and_add+0x128/0x190
[ 266.622306][ T5612] ? lockdep_softirqs_off+0x430/0x430
[ 266.627872][ T5612] ? kobject_add+0x230/0x230
[ 266.632497][ T5612] ? __init_swait_queue_head+0xa4/0x140
[ 266.638183][ T5612] gfs2_sys_fs_add+0x24f/0x4b0
[ 266.643133][ T5612] ? gfs2_recover_set+0x240/0x240
[ 266.648273][ T5612] ? snprintf+0xe5/0x140
[ 266.652511][ T5612] ? __free_pages+0x95/0x1a0
[ 266.657100][ T5612] ? vscnprintf+0x80/0x80
[ 266.661516][ T5612] gfs2_fill_super+0x11ed/0x1ea0
[ 266.666455][ T5612] ? gfs2_reconfigure+0xd80/0xd80
[ 266.671479][ T5612] ? sb_set_blocksize+0xa5/0xe0
[ 266.676322][ T5612] get_tree_bdev+0x3e6/0x610
[ 266.680900][ T5612] ? gfs2_reconfigure+0xd80/0xd80
[ 266.686005][ T5612] gfs2_get_tree+0x4d/0x1e0
[ 266.690678][ T5612] vfs_get_tree+0x88/0x270
[ 266.695170][ T5612] do_new_mount+0x247/0xa40
[ 266.699786][ T5612] __se_sys_mount+0x2e3/0x3d0
[ 266.704546][ T5612] ? __x64_sys_mount+0xc0/0xc0
[ 266.709310][ T5612] ? lockdep_hardirqs_on+0x94/0x140
[ 266.714601][ T5612] ? __x64_sys_mount+0x1c/0xc0
[ 266.719454][ T5612] do_syscall_64+0x4c/0xa0
[ 266.723860][ T5612] ? clear_bhb_loop+0x30/0x80
[ 266.728697][ T5612] ? clear_bhb_loop+0x30/0x80
[ 266.733548][ T5612] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 266.739547][ T5612] RIP: 0033:0x7f3f0c313a8a
[ 266.744056][ T5612] 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
[ 266.764098][ T5612] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 266.772619][ T5612] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 266.780763][ T5612] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 266.788763][ T5612] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 266.797142][ T5612] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 266.805202][ T5612] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 266.813288][ T5612]
[ 266.821722][ T5612] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 266.835165][ T5612] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 267.149811][ T5614] loop1: detected capacity change from 0 to 32768
[ 267.201528][ T5614] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 267.209813][ T5614] CPU: 1 PID: 5614 Comm: syz.1.219 Not tainted syzkaller #0
[ 267.217755][ T5614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 267.228017][ T5614] Call Trace:
[ 267.231493][ T5614]
[ 267.234448][ T5614] dump_stack_lvl+0x188/0x250
[ 267.239236][ T5614] ? show_regs_print_info+0x20/0x20
[ 267.244457][ T5614] ? load_image+0x410/0x410
[ 267.249116][ T5614] sysfs_create_dir_ns+0x26a/0x290
[ 267.254425][ T5614] ? sysfs_warn_dup+0xa0/0xa0
[ 267.259472][ T5614] ? do_raw_spin_unlock+0x11d/0x230
[ 267.264714][ T5614] kobject_add_internal+0x5ba/0xcd0
[ 267.270125][ T5614] kobject_init_and_add+0x128/0x190
[ 267.275348][ T5614] ? lockdep_softirqs_off+0x430/0x430
[ 267.280753][ T5614] ? kobject_add+0x230/0x230
[ 267.285555][ T5614] ? __init_swait_queue_head+0xa4/0x140
[ 267.291466][ T5614] gfs2_sys_fs_add+0x24f/0x4b0
[ 267.296599][ T5614] ? gfs2_recover_set+0x240/0x240
[ 267.301623][ T5614] ? snprintf+0xe5/0x140
[ 267.306373][ T5614] ? __free_pages+0x95/0x1a0
[ 267.311378][ T5614] ? vscnprintf+0x80/0x80
[ 267.316447][ T5614] gfs2_fill_super+0x11ed/0x1ea0
[ 267.321651][ T5614] ? gfs2_reconfigure+0xd80/0xd80
[ 267.326961][ T5614] ? sb_set_blocksize+0xa5/0xe0
[ 267.332419][ T5614] get_tree_bdev+0x3e6/0x610
[ 267.337380][ T5614] ? gfs2_reconfigure+0xd80/0xd80
[ 267.342824][ T5614] gfs2_get_tree+0x4d/0x1e0
[ 267.347753][ T5614] vfs_get_tree+0x88/0x270
[ 267.352262][ T5614] do_new_mount+0x247/0xa40
[ 267.357344][ T5614] __se_sys_mount+0x2e3/0x3d0
[ 267.362292][ T5614] ? __x64_sys_mount+0xc0/0xc0
[ 267.367245][ T5614] ? lockdep_hardirqs_on+0x94/0x140
[ 267.372557][ T5614] ? __x64_sys_mount+0x1c/0xc0
[ 267.377321][ T5614] do_syscall_64+0x4c/0xa0
[ 267.381733][ T5614] ? clear_bhb_loop+0x30/0x80
[ 267.386851][ T5614] ? clear_bhb_loop+0x30/0x80
[ 267.391816][ T5614] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 267.397935][ T5614] RIP: 0033:0x7f3f0c313a8a
[ 267.402610][ T5614] 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
[ 267.423560][ T5614] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 267.432450][ T5614] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 267.440767][ T5614] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 267.449366][ T5614] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 267.457502][ T5614] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 267.466221][ T5614] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 267.475606][ T5614]
[ 267.480891][ T5614] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 267.495174][ T5614] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 267.807169][ T5616] loop1: detected capacity change from 0 to 32768
[ 267.866343][ T5616] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 267.875004][ T5616] CPU: 1 PID: 5616 Comm: syz.1.220 Not tainted syzkaller #0
[ 267.882572][ T5616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 267.892950][ T5616] Call Trace:
[ 267.896430][ T5616]
[ 267.899373][ T5616] dump_stack_lvl+0x188/0x250
[ 267.904162][ T5616] ? show_regs_print_info+0x20/0x20
[ 267.909812][ T5616] ? load_image+0x410/0x410
[ 267.914352][ T5616] sysfs_create_dir_ns+0x26a/0x290
[ 267.920427][ T5616] ? sysfs_warn_dup+0xa0/0xa0
[ 267.925341][ T5616] ? do_raw_spin_unlock+0x11d/0x230
[ 267.930670][ T5616] kobject_add_internal+0x5ba/0xcd0
[ 267.936912][ T5616] kobject_init_and_add+0x128/0x190
[ 267.942340][ T5616] ? lockdep_softirqs_off+0x430/0x430
[ 267.947740][ T5616] ? kobject_add+0x230/0x230
[ 267.952428][ T5616] ? __init_swait_queue_head+0xa4/0x140
[ 267.958060][ T5616] gfs2_sys_fs_add+0x24f/0x4b0
[ 267.962837][ T5616] ? gfs2_recover_set+0x240/0x240
[ 267.968108][ T5616] ? snprintf+0xe5/0x140
[ 267.972593][ T5616] ? __free_pages+0x95/0x1a0
[ 267.977323][ T5616] ? vscnprintf+0x80/0x80
[ 267.981669][ T5616] gfs2_fill_super+0x11ed/0x1ea0
[ 267.986837][ T5616] ? gfs2_reconfigure+0xd80/0xd80
[ 267.992147][ T5616] ? sb_set_blocksize+0xa5/0xe0
[ 267.997587][ T5616] get_tree_bdev+0x3e6/0x610
[ 268.002447][ T5616] ? gfs2_reconfigure+0xd80/0xd80
[ 268.007665][ T5616] gfs2_get_tree+0x4d/0x1e0
[ 268.013127][ T5616] vfs_get_tree+0x88/0x270
[ 268.018534][ T5616] do_new_mount+0x247/0xa40
[ 268.025522][ T5616] __se_sys_mount+0x2e3/0x3d0
[ 268.031636][ T5616] ? __x64_sys_mount+0xc0/0xc0
[ 268.036892][ T5616] ? lockdep_hardirqs_on+0x94/0x140
[ 268.042184][ T5616] ? __x64_sys_mount+0x1c/0xc0
[ 268.046959][ T5616] do_syscall_64+0x4c/0xa0
[ 268.052262][ T5616] ? clear_bhb_loop+0x30/0x80
[ 268.057169][ T5616] ? clear_bhb_loop+0x30/0x80
[ 268.062123][ T5616] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 268.068114][ T5616] RIP: 0033:0x7f3f0c313a8a
[ 268.072750][ T5616] 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
[ 268.092622][ T5616] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 268.101652][ T5616] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 268.109850][ T5616] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 268.118373][ T5616] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 268.126346][ T5616] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 268.134511][ T5616] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 268.142783][ T5616]
[ 268.147314][ T5616] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 268.161600][ T5616] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 268.464755][ T5618] loop1: detected capacity change from 0 to 32768
[ 268.524754][ T5618] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 268.532772][ T5618] CPU: 0 PID: 5618 Comm: syz.1.221 Not tainted syzkaller #0
[ 268.540197][ T5618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 268.550758][ T5618] Call Trace:
[ 268.554591][ T5618]
[ 268.557631][ T5618] dump_stack_lvl+0x188/0x250
[ 268.562443][ T5618] ? show_regs_print_info+0x20/0x20
[ 268.568153][ T5618] ? load_image+0x410/0x410
[ 268.572995][ T5618] sysfs_create_dir_ns+0x26a/0x290
[ 268.578246][ T5618] ? sysfs_warn_dup+0xa0/0xa0
[ 268.583127][ T5618] ? do_raw_spin_unlock+0x11d/0x230
[ 268.588700][ T5618] kobject_add_internal+0x5ba/0xcd0
[ 268.594074][ T5618] kobject_init_and_add+0x128/0x190
[ 268.599637][ T5618] ? lockdep_softirqs_off+0x430/0x430
[ 268.605378][ T5618] ? kobject_add+0x230/0x230
[ 268.609966][ T5618] ? __init_swait_queue_head+0xa4/0x140
[ 268.615912][ T5618] gfs2_sys_fs_add+0x24f/0x4b0
[ 268.620697][ T5618] ? gfs2_recover_set+0x240/0x240
[ 268.626019][ T5618] ? snprintf+0xe5/0x140
[ 268.630360][ T5618] ? __free_pages+0x95/0x1a0
[ 268.635146][ T5618] ? vscnprintf+0x80/0x80
[ 268.639483][ T5618] gfs2_fill_super+0x11ed/0x1ea0
[ 268.644650][ T5618] ? gfs2_reconfigure+0xd80/0xd80
[ 268.649683][ T5618] ? sb_set_blocksize+0xa5/0xe0
[ 268.654802][ T5618] get_tree_bdev+0x3e6/0x610
[ 268.659548][ T5618] ? gfs2_reconfigure+0xd80/0xd80
[ 268.664616][ T5618] gfs2_get_tree+0x4d/0x1e0
[ 268.669257][ T5618] vfs_get_tree+0x88/0x270
[ 268.673851][ T5618] do_new_mount+0x247/0xa40
[ 268.678582][ T5618] __se_sys_mount+0x2e3/0x3d0
[ 268.683276][ T5618] ? __x64_sys_mount+0xc0/0xc0
[ 268.688406][ T5618] ? lockdep_hardirqs_on+0x94/0x140
[ 268.693736][ T5618] ? __x64_sys_mount+0x1c/0xc0
[ 268.698501][ T5618] do_syscall_64+0x4c/0xa0
[ 268.702933][ T5618] ? clear_bhb_loop+0x30/0x80
[ 268.707835][ T5618] ? clear_bhb_loop+0x30/0x80
[ 268.712504][ T5618] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 268.718406][ T5618] RIP: 0033:0x7f3f0c313a8a
[ 268.722935][ T5618] 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
[ 268.743687][ T5618] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 268.752238][ T5618] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 268.760560][ T5618] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 268.768896][ T5618] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 268.777242][ T5618] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 268.785476][ T5618] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 268.793747][ T5618]
[ 268.798129][ T5618] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 268.812222][ T5618] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 269.146184][ T5620] loop1: detected capacity change from 0 to 32768
[ 269.207336][ T5620] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 269.215261][ T5620] CPU: 1 PID: 5620 Comm: syz.1.222 Not tainted syzkaller #0
[ 269.223282][ T5620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 269.234602][ T5620] Call Trace:
[ 269.239028][ T5620]
[ 269.242098][ T5620] dump_stack_lvl+0x188/0x250
[ 269.247138][ T5620] ? show_regs_print_info+0x20/0x20
[ 269.252617][ T5620] ? load_image+0x410/0x410
[ 269.257516][ T5620] sysfs_create_dir_ns+0x26a/0x290
[ 269.262831][ T5620] ? sysfs_warn_dup+0xa0/0xa0
[ 269.267528][ T5620] ? do_raw_spin_unlock+0x11d/0x230
[ 269.272970][ T5620] kobject_add_internal+0x5ba/0xcd0
[ 269.278602][ T5620] kobject_init_and_add+0x128/0x190
[ 269.283817][ T5620] ? lockdep_softirqs_off+0x430/0x430
[ 269.289289][ T5620] ? kobject_add+0x230/0x230
[ 269.294104][ T5620] ? __init_swait_queue_head+0xa4/0x140
[ 269.299847][ T5620] gfs2_sys_fs_add+0x24f/0x4b0
[ 269.305063][ T5620] ? gfs2_recover_set+0x240/0x240
[ 269.310520][ T5620] ? snprintf+0xe5/0x140
[ 269.314930][ T5620] ? __free_pages+0x95/0x1a0
[ 269.319634][ T5620] ? vscnprintf+0x80/0x80
[ 269.323984][ T5620] gfs2_fill_super+0x11ed/0x1ea0
[ 269.329007][ T5620] ? gfs2_reconfigure+0xd80/0xd80
[ 269.334062][ T5620] ? sb_set_blocksize+0xa5/0xe0
[ 269.339128][ T5620] get_tree_bdev+0x3e6/0x610
[ 269.344407][ T5620] ? gfs2_reconfigure+0xd80/0xd80
[ 269.349902][ T5620] gfs2_get_tree+0x4d/0x1e0
[ 269.354518][ T5620] vfs_get_tree+0x88/0x270
[ 269.358981][ T5620] do_new_mount+0x247/0xa40
[ 269.363727][ T5620] __se_sys_mount+0x2e3/0x3d0
[ 269.368835][ T5620] ? __x64_sys_mount+0xc0/0xc0
[ 269.374214][ T5620] ? lockdep_hardirqs_on+0x94/0x140
[ 269.379431][ T5620] ? __x64_sys_mount+0x1c/0xc0
[ 269.384309][ T5620] do_syscall_64+0x4c/0xa0
[ 269.388722][ T5620] ? clear_bhb_loop+0x30/0x80
[ 269.393800][ T5620] ? clear_bhb_loop+0x30/0x80
[ 269.398510][ T5620] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 269.405165][ T5620] RIP: 0033:0x7f3f0c313a8a
[ 269.410111][ T5620] 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
[ 269.434832][ T5620] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 269.443267][ T5620] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 269.451614][ T5620] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 269.459674][ T5620] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 269.468039][ T5620] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 269.476475][ T5620] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 269.484827][ T5620]
[ 269.489290][ T5620] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 269.502561][ T5620] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 269.799156][ T5622] loop1: detected capacity change from 0 to 32768
[ 269.811508][ T5622] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 269.819380][ T5622] CPU: 0 PID: 5622 Comm: syz.1.223 Not tainted syzkaller #0
[ 269.826694][ T5622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 269.837144][ T5622] Call Trace:
[ 269.840446][ T5622]
[ 269.843486][ T5622] dump_stack_lvl+0x188/0x250
[ 269.848192][ T5622] ? show_regs_print_info+0x20/0x20
[ 269.853414][ T5622] ? load_image+0x410/0x410
[ 269.858055][ T5622] sysfs_create_dir_ns+0x26a/0x290
[ 269.863258][ T5622] ? sysfs_warn_dup+0xa0/0xa0
[ 269.868269][ T5622] ? do_raw_spin_unlock+0x11d/0x230
[ 269.873700][ T5622] kobject_add_internal+0x5ba/0xcd0
[ 269.879263][ T5622] kobject_init_and_add+0x128/0x190
[ 269.884993][ T5622] ? lockdep_softirqs_off+0x430/0x430
[ 269.890458][ T5622] ? kobject_add+0x230/0x230
[ 269.895184][ T5622] ? __init_swait_queue_head+0xa4/0x140
[ 269.901634][ T5622] gfs2_sys_fs_add+0x24f/0x4b0
[ 269.906491][ T5622] ? gfs2_recover_set+0x240/0x240
[ 269.911531][ T5622] ? snprintf+0xe5/0x140
[ 269.916089][ T5622] ? __free_pages+0x95/0x1a0
[ 269.920950][ T5622] ? vscnprintf+0x80/0x80
[ 269.925457][ T5622] gfs2_fill_super+0x11ed/0x1ea0
[ 269.930578][ T5622] ? gfs2_reconfigure+0xd80/0xd80
[ 269.935950][ T5622] ? sb_set_blocksize+0xa5/0xe0
[ 269.940815][ T5622] get_tree_bdev+0x3e6/0x610
[ 269.945398][ T5622] ? gfs2_reconfigure+0xd80/0xd80
[ 269.950591][ T5622] gfs2_get_tree+0x4d/0x1e0
[ 269.955109][ T5622] vfs_get_tree+0x88/0x270
[ 269.959616][ T5622] do_new_mount+0x247/0xa40
[ 269.964528][ T5622] __se_sys_mount+0x2e3/0x3d0
[ 269.969322][ T5622] ? __x64_sys_mount+0xc0/0xc0
[ 269.974448][ T5622] ? lockdep_hardirqs_on+0x94/0x140
[ 269.979651][ T5622] ? __x64_sys_mount+0x1c/0xc0
[ 269.984605][ T5622] do_syscall_64+0x4c/0xa0
[ 269.989301][ T5622] ? clear_bhb_loop+0x30/0x80
[ 269.994192][ T5622] ? clear_bhb_loop+0x30/0x80
[ 269.999438][ T5622] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 270.005889][ T5622] RIP: 0033:0x7f3f0c313a8a
[ 270.010529][ T5622] 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
[ 270.031490][ T5622] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 270.040165][ T5622] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 270.048350][ T5622] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 270.056467][ T5622] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 270.064549][ T5622] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 270.072602][ T5622] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 270.080863][ T5622]
[ 270.092546][ T5622] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 270.106073][ T5622] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 270.413438][ T5624] loop1: detected capacity change from 0 to 32768
[ 270.431617][ T5624] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 270.439916][ T5624] CPU: 0 PID: 5624 Comm: syz.1.224 Not tainted syzkaller #0
[ 270.447731][ T5624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 270.458070][ T5624] Call Trace:
[ 270.461461][ T5624]
[ 270.464670][ T5624] dump_stack_lvl+0x188/0x250
[ 270.469477][ T5624] ? show_regs_print_info+0x20/0x20
[ 270.474957][ T5624] ? load_image+0x410/0x410
[ 270.479579][ T5624] sysfs_create_dir_ns+0x26a/0x290
[ 270.484729][ T5624] ? sysfs_warn_dup+0xa0/0xa0
[ 270.490741][ T5624] ? do_raw_spin_unlock+0x11d/0x230
[ 270.496977][ T5624] kobject_add_internal+0x5ba/0xcd0
[ 270.502758][ T5624] kobject_init_and_add+0x128/0x190
[ 270.508236][ T5624] ? lockdep_softirqs_off+0x430/0x430
[ 270.514065][ T5624] ? kobject_add+0x230/0x230
[ 270.519113][ T5624] ? __init_swait_queue_head+0xa4/0x140
[ 270.525528][ T5624] gfs2_sys_fs_add+0x24f/0x4b0
[ 270.530624][ T5624] ? gfs2_recover_set+0x240/0x240
[ 270.536277][ T5624] ? snprintf+0xe5/0x140
[ 270.541697][ T5624] ? __free_pages+0x95/0x1a0
[ 270.546464][ T5624] ? vscnprintf+0x80/0x80
[ 270.551196][ T5624] gfs2_fill_super+0x11ed/0x1ea0
[ 270.556493][ T5624] ? gfs2_reconfigure+0xd80/0xd80
[ 270.562174][ T5624] ? sb_set_blocksize+0xa5/0xe0
[ 270.567419][ T5624] get_tree_bdev+0x3e6/0x610
[ 270.572410][ T5624] ? gfs2_reconfigure+0xd80/0xd80
[ 270.577886][ T5624] gfs2_get_tree+0x4d/0x1e0
[ 270.582542][ T5624] vfs_get_tree+0x88/0x270
[ 270.587553][ T5624] do_new_mount+0x247/0xa40
[ 270.592831][ T5624] __se_sys_mount+0x2e3/0x3d0
[ 270.598480][ T5624] ? __x64_sys_mount+0xc0/0xc0
[ 270.604396][ T5624] ? lockdep_hardirqs_on+0x94/0x140
[ 270.609931][ T5624] ? __x64_sys_mount+0x1c/0xc0
[ 270.615080][ T5624] do_syscall_64+0x4c/0xa0
[ 270.619876][ T5624] ? clear_bhb_loop+0x30/0x80
[ 270.626559][ T5624] ? clear_bhb_loop+0x30/0x80
[ 270.633039][ T5624] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 270.640836][ T5624] RIP: 0033:0x7f3f0c313a8a
[ 270.646344][ T5624] 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
[ 270.670715][ T5624] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 270.679552][ T5624] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 270.688646][ T5624] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 270.697146][ T5624] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 270.707318][ T5624] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 270.716136][ T5624] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 270.725547][ T5624]
[ 270.730034][ T5624] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 270.746648][ T5624] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/07/19 20:33:03 executed programs: 210
[ 271.068150][ T5626] loop1: detected capacity change from 0 to 32768
[ 271.136199][ T5626] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 271.148372][ T5626] CPU: 1 PID: 5626 Comm: syz.1.225 Not tainted syzkaller #0
[ 271.157254][ T5626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 271.172877][ T5626] Call Trace:
[ 271.179989][ T5626]
[ 271.184578][ T5626] dump_stack_lvl+0x188/0x250
[ 271.192399][ T5626] ? show_regs_print_info+0x20/0x20
[ 271.199323][ T5626] ? load_image+0x410/0x410
[ 271.204551][ T5626] sysfs_create_dir_ns+0x26a/0x290
[ 271.212496][ T5626] ? sysfs_warn_dup+0xa0/0xa0
[ 271.217761][ T5626] ? do_raw_spin_unlock+0x11d/0x230
[ 271.224264][ T5626] kobject_add_internal+0x5ba/0xcd0
[ 271.231627][ T5626] kobject_init_and_add+0x128/0x190
[ 271.237592][ T5626] ? lockdep_softirqs_off+0x430/0x430
[ 271.243936][ T5626] ? kobject_add+0x230/0x230
[ 271.250573][ T5626] ? __init_swait_queue_head+0xa4/0x140
[ 271.256532][ T5626] gfs2_sys_fs_add+0x24f/0x4b0
[ 271.258681][ T27] INFO: task kworker/1:17:5149 blocked for more than 143 seconds.
[ 271.261879][ T5626] ? gfs2_recover_set+0x240/0x240
[ 271.261914][ T5626] ? snprintf+0xe5/0x140
[ 271.270946][ T27] Not tainted syzkaller #0
[ 271.275404][ T5626] ? __free_pages+0x95/0x1a0
[ 271.279992][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 271.285162][ T5626] ? vscnprintf+0x80/0x80
[ 271.289772][ T27] task:kworker/1:17 state:D
[ 271.300106][ T5626] gfs2_fill_super+0x11ed/0x1ea0
[ 271.300148][ T5626] ? gfs2_reconfigure+0xd80/0xd80
[ 271.304763][ T27] stack:25424 pid: 5149 ppid: 2 flags:0x00004000
[ 271.311479][ T5626] ? sb_set_blocksize+0xa5/0xe0
[ 271.311513][ T5626] get_tree_bdev+0x3e6/0x610
[ 271.311544][ T5626] ? gfs2_reconfigure+0xd80/0xd80
[ 271.311562][ T5626] gfs2_get_tree+0x4d/0x1e0
[ 271.311579][ T5626] vfs_get_tree+0x88/0x270
[ 271.311596][ T5626] do_new_mount+0x247/0xa40
[ 271.311620][ T5626] __se_sys_mount+0x2e3/0x3d0
[ 271.311639][ T5626] ? __x64_sys_mount+0xc0/0xc0
[ 271.320109][ T27] Workqueue: gfs_recovery gfs2_recover_func
[ 271.324220][ T5626] ? lockdep_hardirqs_on+0x94/0x140
[ 271.334885][ T27]
[ 271.340786][ T5626] ? __x64_sys_mount+0x1c/0xc0
[ 271.340834][ T5626] do_syscall_64+0x4c/0xa0
[ 271.345934][ T27] Call Trace:
[ 271.354567][ T5626] ? clear_bhb_loop+0x30/0x80
[ 271.354596][ T5626] ? clear_bhb_loop+0x30/0x80
[ 271.354614][ T5626] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 271.362564][ T27]
[ 271.365678][ T5626] RIP: 0033:0x7f3f0c313a8a
[ 271.365713][ T5626] 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
[ 271.365727][ T5626] RSP: 002b:00007f3f0b973e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 271.365746][ T5626] RAX: ffffffffffffffda RBX: 00007f3f0b973ee0 RCX: 00007f3f0c313a8a
[ 271.365757][ T5626] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3f0b973ea0
[ 271.365769][ T5626] RBP: 0000200000037f40 R08: 00007f3f0b973ee0 R09: 0000000000000000
[ 271.365781][ T5626] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 271.365791][ T5626] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 271.365816][ T5626]
[ 271.476217][ T5626] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 271.489948][ T27] __schedule+0x11c3/0x4350
[ 271.516200][ T5626] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 271.516608][ T27] ? __lock_acquire+0x7b50/0x7b50
[ 271.566509][ T27] ? release_firmware_map_entry+0x190/0x190
[ 271.574381][ T27] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 271.581735][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 271.589374][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 271.598989][ T27] schedule+0x11b/0x1e0
[ 271.604204][ T27] io_schedule+0x7c/0xd0
[ 271.609353][ T27] wait_on_page_bit_common+0x8bf/0xeb0
[ 271.615513][ T27] ? wait_on_page_bit+0x50/0x50
[ 271.621184][ T27] ? rcu_lock_release+0x20/0x20
[ 271.626351][ T27] ? blk_put_request+0x20/0x20
[ 271.632659][ T27] ? __get_log_header+0x1de/0x500
[ 271.640350][ T27] gfs2_jhead_process_page+0x252/0xbf0
[ 271.646658][ T27] ? gfs2_end_log_read+0x500/0x500
[ 271.653635][ T27] ? submit_bio+0x2c6/0x550
[ 271.658350][ T27] ? submit_bio_noacct+0x800/0x800
[ 271.665426][ T27] ? bio_add_page+0x2dd/0x460
[ 271.673566][ T27] gfs2_find_jhead+0xdaf/0xf00
[ 271.681760][ T27] gfs2_recover_func+0x73a/0x1cd0
[ 271.687169][ T27] ? add_lock_to_list+0x18d/0x280
[ 271.692486][ T27] ? __lock_acquire+0x2844/0x7b50
[ 271.700053][ T27] ? __get_log_header+0x500/0x500
[ 271.705337][ T27] ? verify_lock_unused+0x140/0x140
[ 271.711541][ T27] ? lock_chain_count+0x20/0x20
[ 271.719027][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 271.724843][ T27] process_one_work+0x867/0xff0
[ 271.730202][ T27] ? worker_detach_from_pool+0x240/0x240
[ 271.739413][ T27] ? lockdep_hardirqs_off+0x70/0x100
[ 271.747674][ T27] ? _raw_spin_lock_irq+0xb7/0xf0
[ 271.755761][ T27] ? _raw_spin_lock_irqsave+0x100/0x100
[ 271.766549][ T27] ? wq_worker_running+0x97/0x170
[ 271.773602][ T27] worker_thread+0xad7/0x12a0
[ 271.782640][ T27] kthread+0x42e/0x520
[ 271.790640][ T27] ? rcu_lock_release+0x20/0x20
[ 271.799278][ T27] ? kthread_blkcg+0xd0/0xd0
[ 271.805016][ T27] ret_from_fork+0x1f/0x30
[ 271.814827][ T27]
[ 271.820375][ T27] INFO: task syz.0.17:5182 blocked for more than 143 seconds.
[ 271.832269][ T27] Not tainted syzkaller #0
[ 271.841059][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 271.860104][ T27] task:syz.0.17 state:D stack:24304 pid: 5182 ppid: 5005 flags:0x00004004
[ 271.873884][ T27] Call Trace:
[ 271.879547][ T27]
[ 271.883711][ T27] __schedule+0x11c3/0x4350
[ 271.889028][ T27] ? preempt_schedule+0xbc/0xd0
[ 271.895283][ T27] ? lock_chain_count+0x20/0x20
[ 271.902375][ T27] ? release_firmware_map_entry+0x190/0x190
[ 271.909173][ T27] ? _raw_spin_unlock_irqrestore+0x10d/0x120
[ 271.917294][ T27] schedule+0x11b/0x1e0
[ 271.923175][ T27] bit_wait+0xd/0xc0
[ 271.930573][ T27] out_of_line_wait_on_bit+0x173/0x230
[ 271.939146][ T27] ? out_of_line_wait_on_bit_lock+0x190/0x190
[ 271.947869][ T27] ? __wait_on_bit+0x170/0x170
[ 271.955119][ T27] ? bit_waitqueue+0x30/0x30
[ 271.960337][ T27] ? do_raw_spin_unlock+0x11d/0x230
[ 271.966784][ T27] gfs2_recover_journal+0x104/0x150
[ 271.973503][ T27] init_journal+0x17fa/0x22d0
[ 271.978880][ T27] ? end_bio_io_page+0x100/0x100
[ 271.984100][ T27] ? snprintf+0xe5/0x140
[ 271.988603][ T27] ? init_journal+0x749/0x22d0
[ 271.993868][ T27] ? vscnprintf+0x80/0x80
[ 271.998951][ T27] ? gfs2_glock_nq_num+0x170/0x1b0
[ 272.005294][ T27] init_inodes+0xdb/0x320
[ 272.010152][ T27] gfs2_fill_super+0x1671/0x1ea0
[ 272.015803][ T27] ? gfs2_reconfigure+0xd80/0xd80
[ 272.021402][ T27] ? gfs2_glock_nq_num+0x7e/0x1b0
[ 272.027523][ T27] ? sb_set_blocksize+0xa5/0xe0
[ 272.033070][ T27] get_tree_bdev+0x3e6/0x610
[ 272.038623][ T27] ? gfs2_reconfigure+0xd80/0xd80
[ 272.043844][ T27] gfs2_get_tree+0x4d/0x1e0
[ 272.048651][ T27] vfs_get_tree+0x88/0x270
[ 272.053874][ T27] do_new_mount+0x247/0xa40
[ 272.059040][ T27] __se_sys_mount+0x2e3/0x3d0
[ 272.064309][ T27] ? __x64_sys_mount+0xc0/0xc0
[ 272.069633][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 272.078524][ T27] ? __x64_sys_mount+0x1c/0xc0
[ 272.084955][ T27] do_syscall_64+0x4c/0xa0
[ 272.089830][ T27] ? clear_bhb_loop+0x30/0x80
[ 272.095389][ T27] ? clear_bhb_loop+0x30/0x80
[ 272.100412][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 272.107221][ T27] RIP: 0033:0x7f48d3937a8a
[ 272.111769][ T27] RSP: 002b:00007f48d2f97e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 272.121726][ T27] RAX: ffffffffffffffda RBX: 00007f48d2f97ee0 RCX: 00007f48d3937a8a
[ 272.130356][ T27] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f48d2f97ea0
[ 272.142045][ T27] RBP: 0000200000037f40 R08: 00007f48d2f97ee0 R09: 0000000000000000
[ 272.152917][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 272.161914][ T27] R13: 00007f48d2f97ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 272.170950][ T27]
[ 272.174206][ T27]
[ 272.174206][ T27] Showing all locks held in the system:
[ 272.183073][ T27] 1 lock held by khungtaskd/27:
[ 272.189040][ T27] #0: ffffffff8c31ef20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 272.199282][ T27] 2 locks held by getty/3946:
[ 272.204074][ T27] #0: ffff88802c4fe098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 272.214208][ T27] #1: ffffc900021ce2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x594/0x1a50
[ 272.225074][ T27] 2 locks held by kworker/1:17/5149:
[ 272.231098][ T27] #0: ffff88801daec938 ((wq_completion)gfs_recovery){+.+.}-{0:0}, at: process_one_work+0x75c/0xff0
[ 272.243329][ T27] #1: ffffc900030efd00 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x79e/0xff0
[ 272.256048][ T27] 1 lock held by syz.0.17/5182:
[ 272.261212][ T27] #0: ffff888076d200e0 (&type->s_umount_key#53/1){+.+.}-{3:3}, at: alloc_super+0x200/0x970
[ 272.273848][ T27] 1 lock held by syz.1.225/5626:
[ 272.279556][ T27] #0: ffff888020c6a468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xa9/0xb50
[ 272.290272][ T27]
[ 272.293701][ T27] =============================================
[ 272.293701][ T27]
[ 272.303000][ T27] NMI backtrace for cpu 1
[ 272.307590][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 272.316391][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 272.327585][ T27] Call Trace:
[ 272.330874][ T27]
[ 272.333979][ T27] dump_stack_lvl+0x188/0x250
[ 272.338901][ T27] ? show_regs_print_info+0x20/0x20
[ 272.344841][ T27] ? load_image+0x410/0x410
[ 272.349550][ T27] ? nmi_cpu_backtrace+0x1b2/0x3d0
[ 272.355089][ T27] nmi_cpu_backtrace+0x3a2/0x3d0
[ 272.360360][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 272.366869][ T27] ? _printk+0xda/0x130
[ 272.371158][ T27] ? load_image+0x410/0x410
[ 272.375955][ T27] ? load_image+0x410/0x410
[ 272.381191][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 272.387489][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 272.394308][ T27] watchdog+0xe1b/0xe60
[ 272.398873][ T27] kthread+0x42e/0x520
[ 272.402955][ T27] ? hungtask_pm_notify+0x40/0x40
[ 272.408186][ T27] ? kthread_blkcg+0xd0/0xd0
[ 272.413060][ T27] ret_from_fork+0x1f/0x30
[ 272.417482][ T27]
[ 272.421105][ T27] Sending NMI from CPU 1 to CPUs 0:
[ 272.426467][ C0] NMI backtrace for cpu 0
[ 272.426478][ C0] CPU: 0 PID: 5626 Comm: syz.1.225 Not tainted syzkaller #0
[ 272.426493][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 272.426503][ C0] RIP: 0010:__lock_acquire+0xc37/0x7b50
[ 272.426527][ C0] Code: db 48 8b 7c 24 10 4c 89 fe 31 d2 e8 83 a5 00 00 49 b8 00 00 00 00 00 fc ff df 85 c0 0f 84 a9 1b 00 00 48 8b 84 24 b8 00 00 00 <42> 0f b6 04 00 84 c0 0f 85 23 60 00 00 48 8b 84 24 88 00 00 00 83
[ 272.426539][ C0] RSP: 0018:ffffc90004cff440 EFLAGS: 00000046
[ 272.426553][ C0] RAX: 1ffff11005599512 RBX: ffff88802acc9dc0 RCX: 0000000000000000
[ 272.426564][ C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff901e9118
[ 272.426573][ C0] RBP: ffffc90004cff670 R08: dffffc0000000000 R09: 1ffffffff203d223
[ 272.426584][ C0] R10: dffffc0000000000 R11: fffffbfff203d224 R12: ffff88802acca8d0
[ 272.426594][ C0] R13: ffff88802acc9d04 R14: 0000000000000000 R15: ffff88802acca8b0
[ 272.426604][ C0] FS: 00007f3f0b9746c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
[ 272.426617][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 272.426633][ C0] CR2: 00007fb235376000 CR3: 000000001bf97000 CR4: 00000000003506f0
[ 272.426647][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 272.426656][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 272.426665][ C0] Call Trace:
[ 272.426669][ C0]
[ 272.426677][ C0] ? __reset_page_owner+0x180/0x180
[ 272.426696][ C0] ? verify_lock_unused+0x140/0x140
[ 272.426713][ C0] ? verify_lock_unused+0x140/0x140
[ 272.426735][ C0] lock_acquire+0x19e/0x400
[ 272.426750][ C0] ? delete_from_page_cache+0x117/0x190
[ 272.426770][ C0] ? read_lock_is_recursive+0x10/0x10
[ 272.426787][ C0] ? _raw_spin_lock_irq+0x86/0xf0
[ 272.426803][ C0] ? lockdep_hardirqs_off+0x70/0x100
[ 272.426819][ C0] _raw_spin_lock_irq+0xab/0xf0
[ 272.426834][ C0] ? delete_from_page_cache+0x117/0x190
[ 272.426850][ C0] ? _raw_spin_lock_irqsave+0x100/0x100
[ 272.426867][ C0] ? page_mapping+0x30e/0x440
[ 272.426881][ C0] delete_from_page_cache+0x117/0x190
[ 272.426897][ C0] truncate_inode_page+0x8d/0xb0
[ 272.426912][ C0] shmem_undo_range+0x4f4/0x19a0
[ 272.426930][ C0] ? shmem_truncate_range+0xa0/0xa0
[ 272.426952][ C0] ? do_raw_spin_lock+0x128/0x2f0
[ 272.426966][ C0] ? __rwlock_init+0x140/0x140
[ 272.426980][ C0] shmem_evict_inode+0x1e2/0x9a0
[ 272.426996][ C0] ? _raw_spin_unlock+0x24/0x40
[ 272.427012][ C0] ? shmem_free_in_core_inode+0xb0/0xb0
[ 272.427027][ C0] ? do_raw_spin_lock+0x128/0x2f0
[ 272.427041][ C0] ? bit_waitqueue+0x30/0x30
[ 272.427058][ C0] ? do_raw_spin_unlock+0x11d/0x230
[ 272.427072][ C0] ? shmem_free_in_core_inode+0xb0/0xb0
[ 272.427087][ C0] evict+0x4b6/0x8b0
[ 272.427102][ C0] ? __lock_acquire+0x7b50/0x7b50
[ 272.427118][ C0] ? proc_nr_inodes+0x320/0x320
[ 272.427139][ C0] ? do_raw_spin_unlock+0x11d/0x230
[ 272.427154][ C0] ? _raw_spin_unlock+0x24/0x40
[ 272.427171][ C0] __dentry_kill+0x412/0x630
[ 272.427186][ C0] dentry_kill+0xb8/0x290
[ 272.427199][ C0] dput+0xd8/0x1a0
[ 272.427211][ C0] __fput+0x5a5/0x8c0
[ 272.427227][ C0] task_work_run+0x125/0x1a0
[ 272.427244][ C0] exit_to_user_mode_loop+0x10f/0x130
[ 272.427257][ C0] exit_to_user_mode_prepare+0xee/0x180
[ 272.427270][ C0] syscall_exit_to_user_mode+0x16/0x40
[ 272.427284][ C0] do_syscall_64+0x58/0xa0
[ 272.427296][ C0] ? clear_bhb_loop+0x30/0x80
[ 272.427309][ C0] ? clear_bhb_loop+0x30/0x80
[ 272.427322][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 272.427336][ C0] RIP: 0033:0x7f3f0c3124ab
[ 272.427349][ C0] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
[ 272.427361][ C0] RSP: 002b:00007f3f0b973e00 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 272.427375][ C0] RAX: 0000000000000000 RBX: ffffffffffffffff RCX: 00007f3f0c3124ab
[ 272.427384][ C0] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000003
[ 272.427393][ C0] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
[ 272.427402][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000011
[ 272.427410][ C0] R13: 00007f3f0b973ea0 R14: 0000000000037f8e R15: 0000200000000040
[ 272.427425][ C0]
[ 272.428101][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 272.839641][ T5628] loop1: detected capacity change from 0 to 32768
[ 272.842576][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 272.864009][ T5628] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 272.867193][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 272.867206][ T27] Call Trace:
[ 272.867212][ T27]
[ 272.867219][ T27] dump_stack_lvl+0x188/0x250
[ 272.920326][ T27] ? show_regs_print_info+0x20/0x20
[ 272.925557][ T27] ? load_image+0x410/0x410
[ 272.930176][ T27] panic+0x2f8/0x850
[ 272.934098][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 272.939756][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 272.944275][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 272.950427][ T27] watchdog+0xe5a/0xe60
[ 272.954689][ T27] kthread+0x42e/0x520
[ 272.958773][ T27] ? hungtask_pm_notify+0x40/0x40
[ 272.963805][ T27] ? kthread_blkcg+0xd0/0xd0
[ 272.968494][ T27] ret_from_fork+0x1f/0x30
[ 272.972977][ T27]
[ 272.976514][ T27] Kernel Offset: disabled
[ 272.981078][ T27] Rebooting in 86400 seconds..