a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 225.705151][ T6377] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 225.713611][ T6377] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 225.721616][ T6377] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 225.729614][ T6377] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 225.737616][ T6377] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 225.745617][ T6377] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 225.753629][ T6377]
[ 225.758120][ T6377] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 225.774405][ T6377] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 226.209532][ T6380] loop1: detected capacity change from 0 to 32768
[ 226.229705][ T6380] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 226.237519][ T6380] CPU: 0 PID: 6380 Comm: syz.1.156 Not tainted syzkaller #0
[ 226.244897][ T6380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 226.255177][ T6380] Call Trace:
[ 226.258524][ T6380]
[ 226.261517][ T6380] dump_stack_lvl+0x16c/0x230
[ 226.266278][ T6380] ? show_regs_print_info+0x20/0x20
[ 226.271677][ T6380] ? load_image+0x3b0/0x3b0
[ 226.276280][ T6380] sysfs_create_dir_ns+0x256/0x280
[ 226.281492][ T6380] ? sysfs_warn_dup+0xa0/0xa0
[ 226.286246][ T6380] ? do_raw_spin_unlock+0x121/0x230
[ 226.291522][ T6380] kobject_add_internal+0x6b8/0xc70
[ 226.296824][ T6380] kobject_init_and_add+0x126/0x190
[ 226.302084][ T6380] ? lockdep_softirqs_off+0x430/0x430
[ 226.307516][ T6380] ? kobject_add+0x220/0x220
[ 226.312172][ T6380] ? __init_swait_queue_head+0xa9/0x150
[ 226.317785][ T6380] gfs2_sys_fs_add+0x238/0x470
[ 226.322610][ T6380] ? gfs2_recover_set+0x250/0x250
[ 226.327702][ T6380] ? apply_workqueue_attrs+0x180/0x180
[ 226.333224][ T6380] gfs2_fill_super+0x1323/0x1f80
[ 226.338260][ T6380] ? gfs2_reconfigure+0xb10/0xb10
[ 226.343370][ T6380] ? setup_bdev_super+0x56b/0x660
[ 226.348456][ T6380] get_tree_bdev+0x3e4/0x510
[ 226.353097][ T6380] ? end_current_label_crit_section+0x170/0x170
[ 226.359411][ T6380] ? gfs2_reconfigure+0xb10/0xb10
[ 226.364509][ T6380] ? setup_bdev_super+0x660/0x660
[ 226.369602][ T6380] gfs2_get_tree+0x51/0x1e0
[ 226.374282][ T6380] vfs_get_tree+0x8c/0x280
[ 226.378743][ T6380] do_new_mount+0x24b/0xa40
[ 226.383334][ T6380] __se_sys_mount+0x2da/0x3c0
[ 226.388053][ T6380] ? __x64_sys_mount+0xc0/0xc0
[ 226.392858][ T6380] ? lockdep_hardirqs_on+0x98/0x150
[ 226.398108][ T6380] ? __x64_sys_mount+0x20/0xc0
[ 226.402912][ T6380] do_syscall_64+0x55/0xb0
[ 226.407368][ T6380] ? clear_bhb_loop+0x40/0x90
[ 226.412086][ T6380] ? clear_bhb_loop+0x40/0x90
[ 226.416847][ T6380] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 226.422787][ T6380] RIP: 0033:0x7f0ceb990eea
[ 226.427248][ T6380] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 226.446903][ T6380] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 226.455363][ T6380] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 226.463374][ T6380] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 226.471383][ T6380] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 226.479395][ T6380] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 226.487423][ T6380] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 226.495451][ T6380]
[ 226.512366][ T6380] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 226.528721][ T6380] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 226.968086][ T6383] loop1: detected capacity change from 0 to 32768
[ 226.983059][ T6383] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 226.991075][ T6383] CPU: 0 PID: 6383 Comm: syz.1.157 Not tainted syzkaller #0
[ 226.998428][ T6383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 227.008559][ T6383] Call Trace:
[ 227.011895][ T6383]
[ 227.014881][ T6383] dump_stack_lvl+0x16c/0x230
[ 227.019644][ T6383] ? show_regs_print_info+0x20/0x20
[ 227.024935][ T6383] ? load_image+0x3b0/0x3b0
[ 227.029546][ T6383] sysfs_create_dir_ns+0x256/0x280
[ 227.034753][ T6383] ? sysfs_warn_dup+0xa0/0xa0
[ 227.039510][ T6383] ? do_raw_spin_unlock+0x121/0x230
[ 227.044791][ T6383] kobject_add_internal+0x6b8/0xc70
[ 227.050080][ T6383] kobject_init_and_add+0x126/0x190
[ 227.055368][ T6383] ? lockdep_softirqs_off+0x430/0x430
[ 227.060821][ T6383] ? kobject_add+0x220/0x220
[ 227.065492][ T6383] ? __init_swait_queue_head+0xa9/0x150
[ 227.071119][ T6383] gfs2_sys_fs_add+0x238/0x470
[ 227.075981][ T6383] ? gfs2_recover_set+0x250/0x250
[ 227.081126][ T6383] ? apply_workqueue_attrs+0x180/0x180
[ 227.086675][ T6383] gfs2_fill_super+0x1323/0x1f80
[ 227.091844][ T6383] ? gfs2_reconfigure+0xb10/0xb10
[ 227.096967][ T6383] ? setup_bdev_super+0x56b/0x660
[ 227.102072][ T6383] get_tree_bdev+0x3e4/0x510
[ 227.106747][ T6383] ? end_current_label_crit_section+0x170/0x170
[ 227.113070][ T6383] ? gfs2_reconfigure+0xb10/0xb10
[ 227.118199][ T6383] ? setup_bdev_super+0x660/0x660
[ 227.123304][ T6383] gfs2_get_tree+0x51/0x1e0
[ 227.127878][ T6383] vfs_get_tree+0x8c/0x280
[ 227.132346][ T6383] do_new_mount+0x24b/0xa40
[ 227.136900][ T6383] __se_sys_mount+0x2da/0x3c0
[ 227.141634][ T6383] ? __x64_sys_mount+0xc0/0xc0
[ 227.146469][ T6383] ? lockdep_hardirqs_on+0x98/0x150
[ 227.151726][ T6383] ? __x64_sys_mount+0x20/0xc0
[ 227.156556][ T6383] do_syscall_64+0x55/0xb0
[ 227.161033][ T6383] ? clear_bhb_loop+0x40/0x90
[ 227.165776][ T6383] ? clear_bhb_loop+0x40/0x90
[ 227.170513][ T6383] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 227.176464][ T6383] RIP: 0033:0x7f0ceb990eea
[ 227.180930][ T6383] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 227.200603][ T6383] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 227.209089][ T6383] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 227.217137][ T6383] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 227.225183][ T6383] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 227.233215][ T6383] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 227.241256][ T6383] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 227.249331][ T6383]
[ 227.258348][ T6383] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 227.273072][ T6383] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 227.354511][ T5081] Bluetooth: hci0: command 0x0406 tx timeout
[ 227.695045][ T6386] loop1: detected capacity change from 0 to 32768
[ 227.711475][ T6386] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 227.721047][ T6386] CPU: 1 PID: 6386 Comm: syz.1.158 Not tainted syzkaller #0
[ 227.728412][ T6386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 227.738520][ T6386] Call Trace:
[ 227.741846][ T6386]
[ 227.744842][ T6386] dump_stack_lvl+0x16c/0x230
[ 227.749640][ T6386] ? show_regs_print_info+0x20/0x20
[ 227.754953][ T6386] ? load_image+0x3b0/0x3b0
[ 227.759540][ T6386] sysfs_create_dir_ns+0x256/0x280
[ 227.764721][ T6386] ? sysfs_warn_dup+0xa0/0xa0
[ 227.769478][ T6386] ? do_raw_spin_unlock+0x121/0x230
[ 227.774762][ T6386] kobject_add_internal+0x6b8/0xc70
[ 227.780071][ T6386] kobject_init_and_add+0x126/0x190
[ 227.785385][ T6386] ? lockdep_softirqs_off+0x430/0x430
[ 227.790827][ T6386] ? kobject_add+0x220/0x220
[ 227.795494][ T6386] ? __init_swait_queue_head+0xa9/0x150
[ 227.801110][ T6386] gfs2_sys_fs_add+0x238/0x470
[ 227.806124][ T6386] ? gfs2_recover_set+0x250/0x250
[ 227.811339][ T6386] ? apply_workqueue_attrs+0x180/0x180
[ 227.816889][ T6386] gfs2_fill_super+0x1323/0x1f80
[ 227.821910][ T6386] ? gfs2_reconfigure+0xb10/0xb10
[ 227.827019][ T6386] ? setup_bdev_super+0x56b/0x660
[ 227.832107][ T6386] get_tree_bdev+0x3e4/0x510
[ 227.836748][ T6386] ? end_current_label_crit_section+0x170/0x170
[ 227.843046][ T6386] ? gfs2_reconfigure+0xb10/0xb10
[ 227.848141][ T6386] ? setup_bdev_super+0x660/0x660
[ 227.853228][ T6386] gfs2_get_tree+0x51/0x1e0
[ 227.857789][ T6386] vfs_get_tree+0x8c/0x280
[ 227.862264][ T6386] do_new_mount+0x24b/0xa40
[ 227.866828][ T6386] __se_sys_mount+0x2da/0x3c0
[ 227.871562][ T6386] ? __x64_sys_mount+0xc0/0xc0
[ 227.876378][ T6386] ? lockdep_hardirqs_on+0x98/0x150
[ 227.881627][ T6386] ? __x64_sys_mount+0x20/0xc0
[ 227.886442][ T6386] do_syscall_64+0x55/0xb0
[ 227.890905][ T6386] ? clear_bhb_loop+0x40/0x90
[ 227.895633][ T6386] ? clear_bhb_loop+0x40/0x90
[ 227.900369][ T6386] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 227.906322][ T6386] RIP: 0033:0x7f0ceb990eea
[ 227.910793][ T6386] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 227.930552][ T6386] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 227.939034][ T6386] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 227.947345][ T6386] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 227.955394][ T6386] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 227.963441][ T6386] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 227.971582][ T6386] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 227.979642][ T6386]
[ 227.998582][ T6386] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 228.013578][ T6386] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/31 16:10:14 executed programs: 144
[ 228.411206][ T6389] loop1: detected capacity change from 0 to 32768
[ 228.435410][ T6389] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 228.443677][ T6389] CPU: 1 PID: 6389 Comm: syz.1.159 Not tainted syzkaller #0
[ 228.451057][ T6389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 228.461220][ T6389] Call Trace:
[ 228.464562][ T6389]
[ 228.467537][ T6389] dump_stack_lvl+0x16c/0x230
[ 228.472284][ T6389] ? show_regs_print_info+0x20/0x20
[ 228.477554][ T6389] ? load_image+0x3b0/0x3b0
[ 228.482153][ T6389] sysfs_create_dir_ns+0x256/0x280
[ 228.487343][ T6389] ? sysfs_warn_dup+0xa0/0xa0
[ 228.492090][ T6389] ? do_raw_spin_unlock+0x121/0x230
[ 228.497363][ T6389] kobject_add_internal+0x6b8/0xc70
[ 228.502632][ T6389] kobject_init_and_add+0x126/0x190
[ 228.507886][ T6389] ? lockdep_softirqs_off+0x430/0x430
[ 228.513336][ T6389] ? kobject_add+0x220/0x220
[ 228.517997][ T6389] ? __init_swait_queue_head+0xa9/0x150
[ 228.523608][ T6389] gfs2_sys_fs_add+0x238/0x470
[ 228.528431][ T6389] ? gfs2_recover_set+0x250/0x250
[ 228.533521][ T6389] ? apply_workqueue_attrs+0x180/0x180
[ 228.539052][ T6389] gfs2_fill_super+0x1323/0x1f80
[ 228.544072][ T6389] ? gfs2_reconfigure+0xb10/0xb10
[ 228.549174][ T6389] ? setup_bdev_super+0x56b/0x660
[ 228.554253][ T6389] get_tree_bdev+0x3e4/0x510
[ 228.558892][ T6389] ? end_current_label_crit_section+0x170/0x170
[ 228.565194][ T6389] ? gfs2_reconfigure+0xb10/0xb10
[ 228.570274][ T6389] ? setup_bdev_super+0x660/0x660
[ 228.575364][ T6389] gfs2_get_tree+0x51/0x1e0
[ 228.579953][ T6389] vfs_get_tree+0x8c/0x280
[ 228.584430][ T6389] do_new_mount+0x24b/0xa40
[ 228.588995][ T6389] __se_sys_mount+0x2da/0x3c0
[ 228.593728][ T6389] ? __x64_sys_mount+0xc0/0xc0
[ 228.598544][ T6389] ? lockdep_hardirqs_on+0x98/0x150
[ 228.603792][ T6389] ? __x64_sys_mount+0x20/0xc0
[ 228.608607][ T6389] do_syscall_64+0x55/0xb0
[ 228.613074][ T6389] ? clear_bhb_loop+0x40/0x90
[ 228.617810][ T6389] ? clear_bhb_loop+0x40/0x90
[ 228.622542][ T6389] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 228.628490][ T6389] RIP: 0033:0x7f0ceb990eea
[ 228.632954][ T6389] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 228.652620][ T6389] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 228.661102][ T6389] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 228.669140][ T6389] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 228.677168][ T6389] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 228.685196][ T6389] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 228.693233][ T6389] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 228.701284][ T6389]
[ 228.712429][ T6389] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 228.729009][ T6389] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 229.141249][ T6392] loop1: detected capacity change from 0 to 32768
[ 229.154649][ T6392] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 229.162105][ T6392] CPU: 1 PID: 6392 Comm: syz.1.160 Not tainted syzkaller #0
[ 229.169440][ T6392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 229.179552][ T6392] Call Trace:
[ 229.182879][ T6392]
[ 229.185857][ T6392] dump_stack_lvl+0x16c/0x230
[ 229.190641][ T6392] ? show_regs_print_info+0x20/0x20
[ 229.195930][ T6392] ? load_image+0x3b0/0x3b0
[ 229.200517][ T6392] sysfs_create_dir_ns+0x256/0x280
[ 229.205699][ T6392] ? sysfs_warn_dup+0xa0/0xa0
[ 229.210445][ T6392] ? do_raw_spin_unlock+0x121/0x230
[ 229.215718][ T6392] kobject_add_internal+0x6b8/0xc70
[ 229.220986][ T6392] kobject_init_and_add+0x126/0x190
[ 229.226247][ T6392] ? lockdep_softirqs_off+0x430/0x430
[ 229.231684][ T6392] ? kobject_add+0x220/0x220
[ 229.236347][ T6392] ? __init_swait_queue_head+0xa9/0x150
[ 229.241978][ T6392] gfs2_sys_fs_add+0x238/0x470
[ 229.246804][ T6392] ? gfs2_recover_set+0x250/0x250
[ 229.251917][ T6392] ? apply_workqueue_attrs+0x180/0x180
[ 229.257461][ T6392] gfs2_fill_super+0x1323/0x1f80
[ 229.262484][ T6392] ? gfs2_reconfigure+0xb10/0xb10
[ 229.267574][ T6392] ? setup_bdev_super+0x56b/0x660
[ 229.272645][ T6392] get_tree_bdev+0x3e4/0x510
[ 229.277271][ T6392] ? end_current_label_crit_section+0x170/0x170
[ 229.283548][ T6392] ? gfs2_reconfigure+0xb10/0xb10
[ 229.288625][ T6392] ? setup_bdev_super+0x660/0x660
[ 229.293711][ T6392] gfs2_get_tree+0x51/0x1e0
[ 229.298272][ T6392] vfs_get_tree+0x8c/0x280
[ 229.302721][ T6392] do_new_mount+0x24b/0xa40
[ 229.307261][ T6392] __se_sys_mount+0x2da/0x3c0
[ 229.312410][ T6392] ? __x64_sys_mount+0xc0/0xc0
[ 229.317243][ T6392] ? lockdep_hardirqs_on+0x98/0x150
[ 229.322503][ T6392] ? __x64_sys_mount+0x20/0xc0
[ 229.327331][ T6392] do_syscall_64+0x55/0xb0
[ 229.331788][ T6392] ? clear_bhb_loop+0x40/0x90
[ 229.336509][ T6392] ? clear_bhb_loop+0x40/0x90
[ 229.341229][ T6392] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 229.347163][ T6392] RIP: 0033:0x7f0ceb990eea
[ 229.351621][ T6392] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 229.371267][ T6392] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 229.379733][ T6392] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 229.387746][ T6392] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 229.395772][ T6392] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 229.403803][ T6392] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 229.411845][ T6392] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 229.419879][ T6392]
[ 229.435782][ T6392] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 229.450773][ T6392] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 229.882476][ T6395] loop1: detected capacity change from 0 to 32768
[ 229.896378][ T6395] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 229.904859][ T6395] CPU: 0 PID: 6395 Comm: syz.1.161 Not tainted syzkaller #0
[ 229.912225][ T6395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 229.922337][ T6395] Call Trace:
[ 229.925665][ T6395]
[ 229.928654][ T6395] dump_stack_lvl+0x16c/0x230
[ 229.933404][ T6395] ? show_regs_print_info+0x20/0x20
[ 229.938673][ T6395] ? load_image+0x3b0/0x3b0
[ 229.943272][ T6395] sysfs_create_dir_ns+0x256/0x280
[ 229.948462][ T6395] ? sysfs_warn_dup+0xa0/0xa0
[ 229.953220][ T6395] ? do_raw_spin_unlock+0x121/0x230
[ 229.958488][ T6395] kobject_add_internal+0x6b8/0xc70
[ 229.963762][ T6395] kobject_init_and_add+0x126/0x190
[ 229.969017][ T6395] ? lockdep_softirqs_off+0x430/0x430
[ 229.974460][ T6395] ? kobject_add+0x220/0x220
[ 229.979123][ T6395] ? __init_swait_queue_head+0xa9/0x150
[ 229.984739][ T6395] gfs2_sys_fs_add+0x238/0x470
[ 229.989576][ T6395] ? gfs2_recover_set+0x250/0x250
[ 229.994672][ T6395] ? apply_workqueue_attrs+0x180/0x180
[ 230.000214][ T6395] gfs2_fill_super+0x1323/0x1f80
[ 230.005247][ T6395] ? gfs2_reconfigure+0xb10/0xb10
[ 230.010348][ T6395] ? setup_bdev_super+0x56b/0x660
[ 230.015431][ T6395] get_tree_bdev+0x3e4/0x510
[ 230.020069][ T6395] ? end_current_label_crit_section+0x170/0x170
[ 230.026368][ T6395] ? gfs2_reconfigure+0xb10/0xb10
[ 230.031519][ T6395] ? setup_bdev_super+0x660/0x660
[ 230.036582][ T6395] gfs2_get_tree+0x51/0x1e0
[ 230.041146][ T6395] vfs_get_tree+0x8c/0x280
[ 230.045612][ T6395] do_new_mount+0x24b/0xa40
[ 230.050308][ T6395] __se_sys_mount+0x2da/0x3c0
[ 230.055038][ T6395] ? __x64_sys_mount+0xc0/0xc0
[ 230.059846][ T6395] ? lockdep_hardirqs_on+0x98/0x150
[ 230.065083][ T6395] ? __x64_sys_mount+0x20/0xc0
[ 230.069878][ T6395] do_syscall_64+0x55/0xb0
[ 230.074327][ T6395] ? clear_bhb_loop+0x40/0x90
[ 230.079046][ T6395] ? clear_bhb_loop+0x40/0x90
[ 230.083772][ T6395] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 230.089703][ T6395] RIP: 0033:0x7f0ceb990eea
[ 230.094152][ T6395] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 230.113802][ T6395] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 230.122252][ T6395] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 230.130263][ T6395] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 230.138265][ T6395] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 230.146358][ T6395] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 230.154407][ T6395] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 230.162429][ T6395]
[ 230.173843][ T6395] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 230.188495][ T6395] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 230.618146][ T6398] loop1: detected capacity change from 0 to 32768
[ 230.638232][ T6398] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 230.646043][ T6398] CPU: 0 PID: 6398 Comm: syz.1.162 Not tainted syzkaller #0
[ 230.653388][ T6398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 230.663502][ T6398] Call Trace:
[ 230.666829][ T6398]
[ 230.669806][ T6398] dump_stack_lvl+0x16c/0x230
[ 230.674560][ T6398] ? show_regs_print_info+0x20/0x20
[ 230.679823][ T6398] ? load_image+0x3b0/0x3b0
[ 230.684407][ T6398] sysfs_create_dir_ns+0x256/0x280
[ 230.689591][ T6398] ? sysfs_warn_dup+0xa0/0xa0
[ 230.694337][ T6398] ? do_raw_spin_unlock+0x121/0x230
[ 230.699611][ T6398] kobject_add_internal+0x6b8/0xc70
[ 230.704901][ T6398] kobject_init_and_add+0x126/0x190
[ 230.710150][ T6398] ? lockdep_softirqs_off+0x430/0x430
[ 230.715560][ T6398] ? kobject_add+0x220/0x220
[ 230.720190][ T6398] ? __init_swait_queue_head+0xa9/0x150
[ 230.725771][ T6398] gfs2_sys_fs_add+0x238/0x470
[ 230.730566][ T6398] ? gfs2_recover_set+0x250/0x250
[ 230.735624][ T6398] ? apply_workqueue_attrs+0x180/0x180
[ 230.741120][ T6398] gfs2_fill_super+0x1323/0x1f80
[ 230.746112][ T6398] ? gfs2_reconfigure+0xb10/0xb10
[ 230.751188][ T6398] ? setup_bdev_super+0x56b/0x660
[ 230.756341][ T6398] get_tree_bdev+0x3e4/0x510
[ 230.760960][ T6398] ? end_current_label_crit_section+0x170/0x170
[ 230.767318][ T6398] ? gfs2_reconfigure+0xb10/0xb10
[ 230.772371][ T6398] ? setup_bdev_super+0x660/0x660
[ 230.777430][ T6398] gfs2_get_tree+0x51/0x1e0
[ 230.781967][ T6398] vfs_get_tree+0x8c/0x280
[ 230.786421][ T6398] do_new_mount+0x24b/0xa40
[ 230.790956][ T6398] __se_sys_mount+0x2da/0x3c0
[ 230.795658][ T6398] ? __x64_sys_mount+0xc0/0xc0
[ 230.800455][ T6398] ? lockdep_hardirqs_on+0x98/0x150
[ 230.805685][ T6398] ? __x64_sys_mount+0x20/0xc0
[ 230.810472][ T6398] do_syscall_64+0x55/0xb0
[ 230.814918][ T6398] ? clear_bhb_loop+0x40/0x90
[ 230.819626][ T6398] ? clear_bhb_loop+0x40/0x90
[ 230.824349][ T6398] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 230.830269][ T6398] RIP: 0033:0x7f0ceb990eea
[ 230.834708][ T6398] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 230.854345][ T6398] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 230.862786][ T6398] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 230.870780][ T6398] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 230.878789][ T6398] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 230.886801][ T6398] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 230.894798][ T6398] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 230.902825][ T6398]
[ 230.915273][ T6398] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 230.929570][ T6398] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 231.360725][ T6401] loop1: detected capacity change from 0 to 32768
[ 231.376407][ T6401] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 231.389658][ T6401] CPU: 0 PID: 6401 Comm: syz.1.163 Not tainted syzkaller #0
[ 231.397063][ T6401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 231.407177][ T6401] Call Trace:
[ 231.410511][ T6401]
[ 231.413502][ T6401] dump_stack_lvl+0x16c/0x230
[ 231.418258][ T6401] ? show_regs_print_info+0x20/0x20
[ 231.423529][ T6401] ? load_image+0x3b0/0x3b0
[ 231.428135][ T6401] sysfs_create_dir_ns+0x256/0x280
[ 231.433325][ T6401] ? sysfs_warn_dup+0xa0/0xa0
[ 231.438081][ T6401] ? do_raw_spin_unlock+0x121/0x230
[ 231.443370][ T6401] kobject_add_internal+0x6b8/0xc70
[ 231.448654][ T6401] kobject_init_and_add+0x126/0x190
[ 231.453921][ T6401] ? lockdep_softirqs_off+0x430/0x430
[ 231.459374][ T6401] ? kobject_add+0x220/0x220
[ 231.464042][ T6401] ? __init_swait_queue_head+0xa9/0x150
[ 231.469655][ T6401] gfs2_sys_fs_add+0x238/0x470
[ 231.474487][ T6401] ? gfs2_recover_set+0x250/0x250
[ 231.479592][ T6401] ? apply_workqueue_attrs+0x180/0x180
[ 231.485162][ T6401] gfs2_fill_super+0x1323/0x1f80
[ 231.490186][ T6401] ? gfs2_reconfigure+0xb10/0xb10
[ 231.495292][ T6401] ? setup_bdev_super+0x56b/0x660
[ 231.500387][ T6401] get_tree_bdev+0x3e4/0x510
[ 231.505050][ T6401] ? end_current_label_crit_section+0x170/0x170
[ 231.511368][ T6401] ? gfs2_reconfigure+0xb10/0xb10
[ 231.516469][ T6401] ? setup_bdev_super+0x660/0x660
[ 231.521561][ T6401] gfs2_get_tree+0x51/0x1e0
[ 231.526128][ T6401] vfs_get_tree+0x8c/0x280
[ 231.530602][ T6401] do_new_mount+0x24b/0xa40
[ 231.535177][ T6401] __se_sys_mount+0x2da/0x3c0
[ 231.539923][ T6401] ? __x64_sys_mount+0xc0/0xc0
[ 231.544754][ T6401] ? lockdep_hardirqs_on+0x98/0x150
[ 231.550016][ T6401] ? __x64_sys_mount+0x20/0xc0
[ 231.554852][ T6401] do_syscall_64+0x55/0xb0
[ 231.559332][ T6401] ? clear_bhb_loop+0x40/0x90
[ 231.564082][ T6401] ? clear_bhb_loop+0x40/0x90
[ 231.568837][ T6401] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 231.574891][ T6401] RIP: 0033:0x7f0ceb990eea
[ 231.579380][ T6401] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 231.599069][ T6401] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 231.607596][ T6401] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 231.615651][ T6401] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 231.623707][ T6401] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 231.631736][ T6401] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 231.639775][ T6401] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 231.647910][ T6401]
[ 231.659570][ T6401] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 231.674472][ T6401] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 232.089925][ T6404] loop1: detected capacity change from 0 to 32768
[ 232.111007][ T6404] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 232.118686][ T6404] CPU: 1 PID: 6404 Comm: syz.1.164 Not tainted syzkaller #0
[ 232.126051][ T6404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 232.136182][ T6404] Call Trace:
[ 232.139512][ T6404]
[ 232.142497][ T6404] dump_stack_lvl+0x16c/0x230
[ 232.147234][ T6404] ? show_regs_print_info+0x20/0x20
[ 232.152477][ T6404] ? load_image+0x3b0/0x3b0
[ 232.157037][ T6404] sysfs_create_dir_ns+0x256/0x280
[ 232.162197][ T6404] ? sysfs_warn_dup+0xa0/0xa0
[ 232.166918][ T6404] ? do_raw_spin_unlock+0x121/0x230
[ 232.172165][ T6404] kobject_add_internal+0x6b8/0xc70
[ 232.177408][ T6404] kobject_init_and_add+0x126/0x190
[ 232.182656][ T6404] ? lockdep_softirqs_off+0x430/0x430
[ 232.188068][ T6404] ? kobject_add+0x220/0x220
[ 232.192704][ T6404] ? __init_swait_queue_head+0xa9/0x150
[ 232.198725][ T6404] gfs2_sys_fs_add+0x238/0x470
[ 232.203534][ T6404] ? gfs2_recover_set+0x250/0x250
[ 232.208636][ T6404] ? apply_workqueue_attrs+0x180/0x180
[ 232.214143][ T6404] gfs2_fill_super+0x1323/0x1f80
[ 232.219170][ T6404] ? gfs2_reconfigure+0xb10/0xb10
[ 232.224247][ T6404] ? setup_bdev_super+0x56b/0x660
[ 232.229337][ T6404] get_tree_bdev+0x3e4/0x510
[ 232.233980][ T6404] ? end_current_label_crit_section+0x170/0x170
[ 232.240295][ T6404] ? gfs2_reconfigure+0xb10/0xb10
[ 232.245374][ T6404] ? setup_bdev_super+0x660/0x660
[ 232.250473][ T6404] gfs2_get_tree+0x51/0x1e0
[ 232.255080][ T6404] vfs_get_tree+0x8c/0x280
[ 232.259539][ T6404] do_new_mount+0x24b/0xa40
[ 232.264101][ T6404] __se_sys_mount+0x2da/0x3c0
[ 232.268827][ T6404] ? __x64_sys_mount+0xc0/0xc0
[ 232.273635][ T6404] ? lockdep_hardirqs_on+0x98/0x150
[ 232.278919][ T6404] ? __x64_sys_mount+0x20/0xc0
[ 232.283819][ T6404] do_syscall_64+0x55/0xb0
[ 232.288283][ T6404] ? clear_bhb_loop+0x40/0x90
[ 232.292996][ T6404] ? clear_bhb_loop+0x40/0x90
[ 232.297739][ T6404] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 232.303678][ T6404] RIP: 0033:0x7f0ceb990eea
[ 232.308124][ T6404] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 232.327790][ T6404] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 232.336250][ T6404] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 232.344286][ T6404] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 232.352295][ T6404] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 232.360312][ T6404] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 232.368319][ T6404] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 232.376336][ T6404]
[ 232.383159][ T6404] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 232.397274][ T6404] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 232.814145][ T6407] loop1: detected capacity change from 0 to 32768
[ 232.838733][ T6407] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 232.846345][ T6407] CPU: 1 PID: 6407 Comm: syz.1.165 Not tainted syzkaller #0
[ 232.853687][ T6407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 232.863787][ T6407] Call Trace:
[ 232.867099][ T6407]
[ 232.870091][ T6407] dump_stack_lvl+0x16c/0x230
[ 232.874825][ T6407] ? show_regs_print_info+0x20/0x20
[ 232.880083][ T6407] ? load_image+0x3b0/0x3b0
[ 232.884642][ T6407] sysfs_create_dir_ns+0x256/0x280
[ 232.889803][ T6407] ? sysfs_warn_dup+0xa0/0xa0
[ 232.894525][ T6407] ? do_raw_spin_unlock+0x121/0x230
[ 232.899773][ T6407] kobject_add_internal+0x6b8/0xc70
[ 232.905038][ T6407] kobject_init_and_add+0x126/0x190
[ 232.910291][ T6407] ? lockdep_softirqs_off+0x430/0x430
[ 232.915710][ T6407] ? kobject_add+0x220/0x220
[ 232.920344][ T6407] ? __init_swait_queue_head+0xa9/0x150
[ 232.925938][ T6407] gfs2_sys_fs_add+0x238/0x470
[ 232.930807][ T6407] ? gfs2_recover_set+0x250/0x250
[ 232.935900][ T6407] ? apply_workqueue_attrs+0x180/0x180
[ 232.941415][ T6407] gfs2_fill_super+0x1323/0x1f80
[ 232.946410][ T6407] ? gfs2_reconfigure+0xb10/0xb10
[ 232.951494][ T6407] ? setup_bdev_super+0x56b/0x660
[ 232.956563][ T6407] get_tree_bdev+0x3e4/0x510
[ 232.961189][ T6407] ? end_current_label_crit_section+0x170/0x170
[ 232.967471][ T6407] ? gfs2_reconfigure+0xb10/0xb10
[ 232.972577][ T6407] ? setup_bdev_super+0x660/0x660
[ 232.977655][ T6407] gfs2_get_tree+0x51/0x1e0
[ 232.982212][ T6407] vfs_get_tree+0x8c/0x280
[ 232.986668][ T6407] do_new_mount+0x24b/0xa40
[ 232.991229][ T6407] __se_sys_mount+0x2da/0x3c0
[ 232.995951][ T6407] ? __x64_sys_mount+0xc0/0xc0
[ 233.000764][ T6407] ? lockdep_hardirqs_on+0x98/0x150
[ 233.006017][ T6407] ? __x64_sys_mount+0x20/0xc0
[ 233.010842][ T6407] do_syscall_64+0x55/0xb0
[ 233.015298][ T6407] ? clear_bhb_loop+0x40/0x90
[ 233.020024][ T6407] ? clear_bhb_loop+0x40/0x90
[ 233.024745][ T6407] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 233.030685][ T6407] RIP: 0033:0x7f0ceb990eea
[ 233.035137][ T6407] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 233.054801][ T6407] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 233.063258][ T6407] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 233.071291][ T6407] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 233.079315][ T6407] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 233.087356][ T6407] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 233.095365][ T6407] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 233.103382][ T6407]
[ 233.109311][ T6407] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 233.124855][ T6407] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/31 16:10:19 executed programs: 151
[ 233.545801][ T6410] loop1: detected capacity change from 0 to 32768
[ 233.562819][ T6410] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 233.570344][ T6410] CPU: 0 PID: 6410 Comm: syz.1.166 Not tainted syzkaller #0
[ 233.577683][ T6410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 233.587799][ T6410] Call Trace:
[ 233.591130][ T6410]
[ 233.594113][ T6410] dump_stack_lvl+0x16c/0x230
[ 233.598861][ T6410] ? show_regs_print_info+0x20/0x20
[ 233.604173][ T6410] ? load_image+0x3b0/0x3b0
[ 233.608809][ T6410] sysfs_create_dir_ns+0x256/0x280
[ 233.614000][ T6410] ? sysfs_warn_dup+0xa0/0xa0
[ 233.618741][ T6410] ? do_raw_spin_unlock+0x121/0x230
[ 233.623992][ T6410] kobject_add_internal+0x6b8/0xc70
[ 233.629242][ T6410] kobject_init_and_add+0x126/0x190
[ 233.634485][ T6410] ? lockdep_softirqs_off+0x430/0x430
[ 233.639904][ T6410] ? kobject_add+0x220/0x220
[ 233.644542][ T6410] ? __init_swait_queue_head+0xa9/0x150
[ 233.650126][ T6410] gfs2_sys_fs_add+0x238/0x470
[ 233.654983][ T6410] ? gfs2_recover_set+0x250/0x250
[ 233.660060][ T6410] ? apply_workqueue_attrs+0x180/0x180
[ 233.665573][ T6410] gfs2_fill_super+0x1323/0x1f80
[ 233.670573][ T6410] ? gfs2_reconfigure+0xb10/0xb10
[ 233.675651][ T6410] ? setup_bdev_super+0x56b/0x660
[ 233.680709][ T6410] get_tree_bdev+0x3e4/0x510
[ 233.685333][ T6410] ? end_current_label_crit_section+0x170/0x170
[ 233.691621][ T6410] ? gfs2_reconfigure+0xb10/0xb10
[ 233.696695][ T6410] ? setup_bdev_super+0x660/0x660
[ 233.701782][ T6410] gfs2_get_tree+0x51/0x1e0
[ 233.706364][ T6410] vfs_get_tree+0x8c/0x280
[ 233.710825][ T6410] do_new_mount+0x24b/0xa40
[ 233.715372][ T6410] __se_sys_mount+0x2da/0x3c0
[ 233.720110][ T6410] ? __x64_sys_mount+0xc0/0xc0
[ 233.724913][ T6410] ? lockdep_hardirqs_on+0x98/0x150
[ 233.730150][ T6410] ? __x64_sys_mount+0x20/0xc0
[ 233.734953][ T6410] do_syscall_64+0x55/0xb0
[ 233.739401][ T6410] ? clear_bhb_loop+0x40/0x90
[ 233.744131][ T6410] ? clear_bhb_loop+0x40/0x90
[ 233.748943][ T6410] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 233.754876][ T6410] RIP: 0033:0x7f0ceb990eea
[ 233.759324][ T6410] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 233.778973][ T6410] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 233.787438][ T6410] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 233.795444][ T6410] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 233.803454][ T6410] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 233.811469][ T6410] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 233.819474][ T6410] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 233.827540][ T6410]
[ 233.836778][ T6410] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 233.851383][ T6410] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 234.273375][ T6413] loop1: detected capacity change from 0 to 32768
[ 234.286482][ T6413] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 234.301187][ T6413] CPU: 1 PID: 6413 Comm: syz.1.167 Not tainted syzkaller #0
[ 234.308579][ T6413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 234.318700][ T6413] Call Trace:
[ 234.322037][ T6413]
[ 234.325018][ T6413] dump_stack_lvl+0x16c/0x230
[ 234.329780][ T6413] ? show_regs_print_info+0x20/0x20
[ 234.335078][ T6413] ? load_image+0x3b0/0x3b0
[ 234.339673][ T6413] sysfs_create_dir_ns+0x256/0x280
[ 234.344873][ T6413] ? sysfs_warn_dup+0xa0/0xa0
[ 234.349642][ T6413] ? do_raw_spin_unlock+0x121/0x230
[ 234.354925][ T6413] kobject_add_internal+0x6b8/0xc70
[ 234.360203][ T6413] kobject_init_and_add+0x126/0x190
[ 234.365489][ T6413] ? lockdep_softirqs_off+0x430/0x430
[ 234.370945][ T6413] ? kobject_add+0x220/0x220
[ 234.375616][ T6413] ? __init_swait_queue_head+0xa9/0x150
[ 234.381263][ T6413] gfs2_sys_fs_add+0x238/0x470
[ 234.386105][ T6413] ? gfs2_recover_set+0x250/0x250
[ 234.391211][ T6413] ? apply_workqueue_attrs+0x180/0x180
[ 234.396759][ T6413] gfs2_fill_super+0x1323/0x1f80
[ 234.401815][ T6413] ? gfs2_reconfigure+0xb10/0xb10
[ 234.406926][ T6413] ? setup_bdev_super+0x56b/0x660
[ 234.412022][ T6413] get_tree_bdev+0x3e4/0x510
[ 234.416683][ T6413] ? end_current_label_crit_section+0x170/0x170
[ 234.423000][ T6413] ? gfs2_reconfigure+0xb10/0xb10
[ 234.428095][ T6413] ? setup_bdev_super+0x660/0x660
[ 234.433181][ T6413] gfs2_get_tree+0x51/0x1e0
[ 234.437752][ T6413] vfs_get_tree+0x8c/0x280
[ 234.442224][ T6413] do_new_mount+0x24b/0xa40
[ 234.446792][ T6413] __se_sys_mount+0x2da/0x3c0
[ 234.451539][ T6413] ? __x64_sys_mount+0xc0/0xc0
[ 234.456365][ T6413] ? lockdep_hardirqs_on+0x98/0x150
[ 234.461632][ T6413] ? __x64_sys_mount+0x20/0xc0
[ 234.466466][ T6413] do_syscall_64+0x55/0xb0
[ 234.470943][ T6413] ? clear_bhb_loop+0x40/0x90
[ 234.475774][ T6413] ? clear_bhb_loop+0x40/0x90
[ 234.480520][ T6413] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 234.486478][ T6413] RIP: 0033:0x7f0ceb990eea
[ 234.490971][ T6413] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 234.510730][ T6413] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 234.519210][ T6413] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 234.527250][ T6413] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 234.535317][ T6413] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 234.543347][ T6413] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 234.551373][ T6413] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 234.559439][ T6413]
[ 234.576551][ T6413] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 234.590979][ T6413] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 234.996169][ T6416] loop1: detected capacity change from 0 to 32768
[ 235.020100][ T6416] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 235.027781][ T6416] CPU: 0 PID: 6416 Comm: syz.1.168 Not tainted syzkaller #0
[ 235.035140][ T6416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 235.045252][ T6416] Call Trace:
[ 235.048597][ T6416]
[ 235.051585][ T6416] dump_stack_lvl+0x16c/0x230
[ 235.056401][ T6416] ? show_regs_print_info+0x20/0x20
[ 235.061680][ T6416] ? load_image+0x3b0/0x3b0
[ 235.066280][ T6416] sysfs_create_dir_ns+0x256/0x280
[ 235.071466][ T6416] ? sysfs_warn_dup+0xa0/0xa0
[ 235.076235][ T6416] ? do_raw_spin_unlock+0x121/0x230
[ 235.081547][ T6416] kobject_add_internal+0x6b8/0xc70
[ 235.086842][ T6416] kobject_init_and_add+0x126/0x190
[ 235.092115][ T6416] ? lockdep_softirqs_off+0x430/0x430
[ 235.097577][ T6416] ? kobject_add+0x220/0x220
[ 235.102250][ T6416] ? __init_swait_queue_head+0xa9/0x150
[ 235.107868][ T6416] gfs2_sys_fs_add+0x238/0x470
[ 235.112735][ T6416] ? gfs2_recover_set+0x250/0x250
[ 235.117829][ T6416] ? apply_workqueue_attrs+0x180/0x180
[ 235.123359][ T6416] gfs2_fill_super+0x1323/0x1f80
[ 235.128377][ T6416] ? gfs2_reconfigure+0xb10/0xb10
[ 235.133472][ T6416] ? setup_bdev_super+0x56b/0x660
[ 235.138607][ T6416] get_tree_bdev+0x3e4/0x510
[ 235.143271][ T6416] ? end_current_label_crit_section+0x170/0x170
[ 235.149556][ T6416] ? gfs2_reconfigure+0xb10/0xb10
[ 235.154612][ T6416] ? setup_bdev_super+0x660/0x660
[ 235.159669][ T6416] gfs2_get_tree+0x51/0x1e0
[ 235.164208][ T6416] vfs_get_tree+0x8c/0x280
[ 235.168651][ T6416] do_new_mount+0x24b/0xa40
[ 235.173185][ T6416] __se_sys_mount+0x2da/0x3c0
[ 235.177885][ T6416] ? __x64_sys_mount+0xc0/0xc0
[ 235.182682][ T6416] ? lockdep_hardirqs_on+0x98/0x150
[ 235.187965][ T6416] ? __x64_sys_mount+0x20/0xc0
[ 235.192765][ T6416] do_syscall_64+0x55/0xb0
[ 235.197208][ T6416] ? clear_bhb_loop+0x40/0x90
[ 235.201940][ T6416] ? clear_bhb_loop+0x40/0x90
[ 235.206701][ T6416] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 235.212760][ T6416] RIP: 0033:0x7f0ceb990eea
[ 235.217217][ T6416] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 235.236878][ T6416] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 235.245335][ T6416] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 235.253352][ T6416] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 235.261371][ T6416] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 235.269390][ T6416] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 235.277405][ T6416] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 235.285424][ T6416]
[ 235.293749][ T6416] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 235.308334][ T6416] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 235.779796][ T6419] loop1: detected capacity change from 0 to 32768
[ 235.790057][ T6419] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 235.798092][ T6419] CPU: 1 PID: 6419 Comm: syz.1.169 Not tainted syzkaller #0
[ 235.805487][ T6419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 235.815612][ T6419] Call Trace:
[ 235.818948][ T6419]
[ 235.822025][ T6419] dump_stack_lvl+0x16c/0x230
[ 235.826794][ T6419] ? show_regs_print_info+0x20/0x20
[ 235.832081][ T6419] ? load_image+0x3b0/0x3b0
[ 235.836694][ T6419] sysfs_create_dir_ns+0x256/0x280
[ 235.841896][ T6419] ? sysfs_warn_dup+0xa0/0xa0
[ 235.846655][ T6419] ? do_raw_spin_unlock+0x121/0x230
[ 235.851942][ T6419] kobject_add_internal+0x6b8/0xc70
[ 235.857231][ T6419] kobject_init_and_add+0x126/0x190
[ 235.862510][ T6419] ? lockdep_softirqs_off+0x430/0x430
[ 235.867991][ T6419] ? kobject_add+0x220/0x220
[ 235.872683][ T6419] ? __init_swait_queue_head+0xa9/0x150
[ 235.878316][ T6419] gfs2_sys_fs_add+0x238/0x470
[ 235.883178][ T6419] ? gfs2_recover_set+0x250/0x250
[ 235.888305][ T6419] ? apply_workqueue_attrs+0x180/0x180
[ 235.893918][ T6419] gfs2_fill_super+0x1323/0x1f80
[ 235.898990][ T6419] ? gfs2_reconfigure+0xb10/0xb10
[ 235.904099][ T6419] ? setup_bdev_super+0x56b/0x660
[ 235.909184][ T6419] get_tree_bdev+0x3e4/0x510
[ 235.913826][ T6419] ? end_current_label_crit_section+0x170/0x170
[ 235.920154][ T6419] ? gfs2_reconfigure+0xb10/0xb10
[ 235.925250][ T6419] ? setup_bdev_super+0x660/0x660
[ 235.930426][ T6419] gfs2_get_tree+0x51/0x1e0
[ 235.934999][ T6419] vfs_get_tree+0x8c/0x280
[ 235.939479][ T6419] do_new_mount+0x24b/0xa40
[ 235.944053][ T6419] __se_sys_mount+0x2da/0x3c0
[ 235.948791][ T6419] ? __x64_sys_mount+0xc0/0xc0
[ 235.953614][ T6419] ? lockdep_hardirqs_on+0x98/0x150
[ 235.958874][ T6419] ? __x64_sys_mount+0x20/0xc0
[ 235.963700][ T6419] do_syscall_64+0x55/0xb0
[ 235.968165][ T6419] ? clear_bhb_loop+0x40/0x90
[ 235.972915][ T6419] ? clear_bhb_loop+0x40/0x90
[ 235.977665][ T6419] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 235.983627][ T6419] RIP: 0033:0x7f0ceb990eea
[ 235.988185][ T6419] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 236.007852][ T6419] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 236.016470][ T6419] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 236.024518][ T6419] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 236.032548][ T6419] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 236.040567][ T6419] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 236.048564][ T6419] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 236.056575][ T6419]
[ 236.061170][ T6419] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 236.075583][ T6419] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 236.541089][ T6422] loop1: detected capacity change from 0 to 32768
[ 236.556706][ T6422] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 236.564452][ T6422] CPU: 0 PID: 6422 Comm: syz.1.170 Not tainted syzkaller #0
[ 236.571807][ T6422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 236.582010][ T6422] Call Trace:
[ 236.585351][ T6422]
[ 236.588343][ T6422] dump_stack_lvl+0x16c/0x230
[ 236.593100][ T6422] ? show_regs_print_info+0x20/0x20
[ 236.598381][ T6422] ? load_image+0x3b0/0x3b0
[ 236.602972][ T6422] sysfs_create_dir_ns+0x256/0x280
[ 236.608159][ T6422] ? sysfs_warn_dup+0xa0/0xa0
[ 236.612919][ T6422] ? do_raw_spin_unlock+0x121/0x230
[ 236.618187][ T6422] kobject_add_internal+0x6b8/0xc70
[ 236.623472][ T6422] kobject_init_and_add+0x126/0x190
[ 236.628746][ T6422] ? lockdep_softirqs_off+0x430/0x430
[ 236.634194][ T6422] ? kobject_add+0x220/0x220
[ 236.638938][ T6422] ? __init_swait_queue_head+0xa9/0x150
[ 236.644564][ T6422] gfs2_sys_fs_add+0x238/0x470
[ 236.649404][ T6422] ? gfs2_recover_set+0x250/0x250
[ 236.654514][ T6422] ? apply_workqueue_attrs+0x180/0x180
[ 236.660064][ T6422] gfs2_fill_super+0x1323/0x1f80
[ 236.665098][ T6422] ? gfs2_reconfigure+0xb10/0xb10
[ 236.670206][ T6422] ? setup_bdev_super+0x56b/0x660
[ 236.675303][ T6422] get_tree_bdev+0x3e4/0x510
[ 236.679948][ T6422] ? end_current_label_crit_section+0x170/0x170
[ 236.686265][ T6422] ? gfs2_reconfigure+0xb10/0xb10
[ 236.691354][ T6422] ? setup_bdev_super+0x660/0x660
[ 236.696459][ T6422] gfs2_get_tree+0x51/0x1e0
[ 236.701026][ T6422] vfs_get_tree+0x8c/0x280
[ 236.705500][ T6422] do_new_mount+0x24b/0xa40
[ 236.710160][ T6422] __se_sys_mount+0x2da/0x3c0
[ 236.714906][ T6422] ? __x64_sys_mount+0xc0/0xc0
[ 236.719734][ T6422] ? lockdep_hardirqs_on+0x98/0x150
[ 236.724994][ T6422] ? __x64_sys_mount+0x20/0xc0
[ 236.729821][ T6422] do_syscall_64+0x55/0xb0
[ 236.734289][ T6422] ? clear_bhb_loop+0x40/0x90
[ 236.739035][ T6422] ? clear_bhb_loop+0x40/0x90
[ 236.743773][ T6422] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 236.749729][ T6422] RIP: 0033:0x7f0ceb990eea
[ 236.754198][ T6422] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 236.773878][ T6422] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 236.782356][ T6422] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 236.790392][ T6422] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 236.798424][ T6422] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 236.806455][ T6422] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 236.814487][ T6422] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 236.822547][ T6422]
[ 236.834113][ T6422] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 236.848358][ T6422] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 237.271801][ T6425] loop1: detected capacity change from 0 to 32768
[ 237.291360][ T6425] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 237.298970][ T6425] CPU: 1 PID: 6425 Comm: syz.1.171 Not tainted syzkaller #0
[ 237.306333][ T6425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 237.316645][ T6425] Call Trace:
[ 237.319988][ T6425]
[ 237.322984][ T6425] dump_stack_lvl+0x16c/0x230
[ 237.327891][ T6425] ? show_regs_print_info+0x20/0x20
[ 237.333180][ T6425] ? load_image+0x3b0/0x3b0
[ 237.337769][ T6425] sysfs_create_dir_ns+0x256/0x280
[ 237.342962][ T6425] ? sysfs_warn_dup+0xa0/0xa0
[ 237.347724][ T6425] ? do_raw_spin_unlock+0x121/0x230
[ 237.353167][ T6425] kobject_add_internal+0x6b8/0xc70
[ 237.358450][ T6425] kobject_init_and_add+0x126/0x190
[ 237.363731][ T6425] ? lockdep_softirqs_off+0x430/0x430
[ 237.369181][ T6425] ? kobject_add+0x220/0x220
[ 237.373852][ T6425] ? __init_swait_queue_head+0xa9/0x150
[ 237.379609][ T6425] gfs2_sys_fs_add+0x238/0x470
[ 237.384449][ T6425] ? gfs2_recover_set+0x250/0x250
[ 237.389605][ T6425] ? apply_workqueue_attrs+0x180/0x180
[ 237.395142][ T6425] gfs2_fill_super+0x1323/0x1f80
[ 237.400166][ T6425] ? gfs2_reconfigure+0xb10/0xb10
[ 237.405284][ T6425] ? setup_bdev_super+0x56b/0x660
[ 237.410372][ T6425] get_tree_bdev+0x3e4/0x510
[ 237.415022][ T6425] ? end_current_label_crit_section+0x170/0x170
[ 237.421346][ T6425] ? gfs2_reconfigure+0xb10/0xb10
[ 237.426464][ T6425] ? setup_bdev_super+0x660/0x660
[ 237.431561][ T6425] gfs2_get_tree+0x51/0x1e0
[ 237.436150][ T6425] vfs_get_tree+0x8c/0x280
[ 237.440638][ T6425] do_new_mount+0x24b/0xa40
[ 237.445211][ T6425] __se_sys_mount+0x2da/0x3c0
[ 237.449956][ T6425] ? __x64_sys_mount+0xc0/0xc0
[ 237.454787][ T6425] ? lockdep_hardirqs_on+0x98/0x150
[ 237.460054][ T6425] ? __x64_sys_mount+0x20/0xc0
[ 237.464886][ T6425] do_syscall_64+0x55/0xb0
[ 237.469361][ T6425] ? clear_bhb_loop+0x40/0x90
[ 237.474106][ T6425] ? clear_bhb_loop+0x40/0x90
[ 237.478840][ T6425] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 237.484793][ T6425] RIP: 0033:0x7f0ceb990eea
[ 237.489265][ T6425] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 237.508961][ T6425] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 237.517455][ T6425] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 237.525505][ T6425] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 237.533555][ T6425] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 237.541597][ T6425] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 237.549637][ T6425] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 237.557687][ T6425]
[ 237.570476][ T6425] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 237.586925][ T6425] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 238.043221][ T6428] loop1: detected capacity change from 0 to 32768
[ 238.065045][ T6428] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 238.073384][ T6428] CPU: 0 PID: 6428 Comm: syz.1.172 Not tainted syzkaller #0
[ 238.080737][ T6428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 238.090872][ T6428] Call Trace:
[ 238.094206][ T6428]
[ 238.097208][ T6428] dump_stack_lvl+0x16c/0x230
[ 238.101966][ T6428] ? show_regs_print_info+0x20/0x20
[ 238.107261][ T6428] ? load_image+0x3b0/0x3b0
[ 238.111854][ T6428] sysfs_create_dir_ns+0x256/0x280
[ 238.117064][ T6428] ? sysfs_warn_dup+0xa0/0xa0
[ 238.121823][ T6428] ? do_raw_spin_unlock+0x121/0x230
[ 238.127096][ T6428] kobject_add_internal+0x6b8/0xc70
[ 238.132375][ T6428] kobject_init_and_add+0x126/0x190
[ 238.137648][ T6428] ? lockdep_softirqs_off+0x430/0x430
[ 238.143065][ T6428] ? kobject_add+0x220/0x220
[ 238.147695][ T6428] ? __init_swait_queue_head+0xa9/0x150
[ 238.153286][ T6428] gfs2_sys_fs_add+0x238/0x470
[ 238.158122][ T6428] ? gfs2_recover_set+0x250/0x250
[ 238.163192][ T6428] ? apply_workqueue_attrs+0x180/0x180
[ 238.168697][ T6428] gfs2_fill_super+0x1323/0x1f80
[ 238.173681][ T6428] ? gfs2_reconfigure+0xb10/0xb10
[ 238.178751][ T6428] ? setup_bdev_super+0x56b/0x660
[ 238.183810][ T6428] get_tree_bdev+0x3e4/0x510
[ 238.188432][ T6428] ? end_current_label_crit_section+0x170/0x170
[ 238.194714][ T6428] ? gfs2_reconfigure+0xb10/0xb10
[ 238.199872][ T6428] ? setup_bdev_super+0x660/0x660
[ 238.204933][ T6428] gfs2_get_tree+0x51/0x1e0
[ 238.209505][ T6428] vfs_get_tree+0x8c/0x280
[ 238.213983][ T6428] do_new_mount+0x24b/0xa40
[ 238.218624][ T6428] __se_sys_mount+0x2da/0x3c0
[ 238.223357][ T6428] ? __x64_sys_mount+0xc0/0xc0
[ 238.228177][ T6428] ? lockdep_hardirqs_on+0x98/0x150
[ 238.233879][ T6428] ? __x64_sys_mount+0x20/0xc0
[ 238.238693][ T6428] do_syscall_64+0x55/0xb0
[ 238.243146][ T6428] ? clear_bhb_loop+0x40/0x90
[ 238.247897][ T6428] ? clear_bhb_loop+0x40/0x90
[ 238.252637][ T6428] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 238.258583][ T6428] RIP: 0033:0x7f0ceb990eea
[ 238.263057][ T6428] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 238.282721][ T6428] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 238.291180][ T6428] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 238.299203][ T6428] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 238.307216][ T6428] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 238.315221][ T6428] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 238.323247][ T6428] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 238.331313][ T6428]
[ 238.343286][ T6428] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 238.358849][ T6428] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/31 16:10:25 executed programs: 158
[ 238.775760][ T6431] loop1: detected capacity change from 0 to 32768
[ 238.795710][ T6431] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 238.812630][ T6431] CPU: 1 PID: 6431 Comm: syz.1.173 Not tainted syzkaller #0
[ 238.820020][ T6431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 238.830139][ T6431] Call Trace:
[ 238.833468][ T6431]
[ 238.836451][ T6431] dump_stack_lvl+0x16c/0x230
[ 238.841205][ T6431] ? show_regs_print_info+0x20/0x20
[ 238.846487][ T6431] ? load_image+0x3b0/0x3b0
[ 238.851072][ T6431] sysfs_create_dir_ns+0x256/0x280
[ 238.856269][ T6431] ? sysfs_warn_dup+0xa0/0xa0
[ 238.861034][ T6431] ? do_raw_spin_unlock+0x121/0x230
[ 238.866409][ T6431] kobject_add_internal+0x6b8/0xc70
[ 238.871690][ T6431] kobject_init_and_add+0x126/0x190
[ 238.876977][ T6431] ? lockdep_softirqs_off+0x430/0x430
[ 238.882572][ T6431] ? kobject_add+0x220/0x220
[ 238.887254][ T6431] ? __init_swait_queue_head+0xa9/0x150
[ 238.892877][ T6431] gfs2_sys_fs_add+0x238/0x470
[ 238.897728][ T6431] ? gfs2_recover_set+0x250/0x250
[ 238.902822][ T6431] ? apply_workqueue_attrs+0x180/0x180
[ 238.908354][ T6431] gfs2_fill_super+0x1323/0x1f80
[ 238.913384][ T6431] ? gfs2_reconfigure+0xb10/0xb10
[ 238.918489][ T6431] ? setup_bdev_super+0x56b/0x660
[ 238.923575][ T6431] get_tree_bdev+0x3e4/0x510
[ 238.928219][ T6431] ? end_current_label_crit_section+0x170/0x170
[ 238.934525][ T6431] ? gfs2_reconfigure+0xb10/0xb10
[ 238.939596][ T6431] ? setup_bdev_super+0x660/0x660
[ 238.944666][ T6431] gfs2_get_tree+0x51/0x1e0
[ 238.949307][ T6431] vfs_get_tree+0x8c/0x280
[ 238.953766][ T6431] do_new_mount+0x24b/0xa40
[ 238.958326][ T6431] __se_sys_mount+0x2da/0x3c0
[ 238.963044][ T6431] ? __x64_sys_mount+0xc0/0xc0
[ 238.967855][ T6431] ? lockdep_hardirqs_on+0x98/0x150
[ 238.973112][ T6431] ? __x64_sys_mount+0x20/0xc0
[ 238.977923][ T6431] do_syscall_64+0x55/0xb0
[ 238.982424][ T6431] ? clear_bhb_loop+0x40/0x90
[ 238.987146][ T6431] ? clear_bhb_loop+0x40/0x90
[ 238.991867][ T6431] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 238.997808][ T6431] RIP: 0033:0x7f0ceb990eea
[ 239.002260][ T6431] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 239.021913][ T6431] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 239.030374][ T6431] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 239.038391][ T6431] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 239.046413][ T6431] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 239.054426][ T6431] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 239.062434][ T6431] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 239.070472][ T6431]
[ 239.078621][ T6431] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 239.095547][ T6431] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 239.527236][ T6434] loop1: detected capacity change from 0 to 32768
[ 239.547867][ T6434] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 239.557654][ T6434] CPU: 1 PID: 6434 Comm: syz.1.174 Not tainted syzkaller #0
[ 239.565053][ T6434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 239.575167][ T6434] Call Trace:
[ 239.578505][ T6434]
[ 239.581490][ T6434] dump_stack_lvl+0x16c/0x230
[ 239.586246][ T6434] ? show_regs_print_info+0x20/0x20
[ 239.591517][ T6434] ? load_image+0x3b0/0x3b0
[ 239.596101][ T6434] sysfs_create_dir_ns+0x256/0x280
[ 239.601299][ T6434] ? sysfs_warn_dup+0xa0/0xa0
[ 239.606061][ T6434] ? do_raw_spin_unlock+0x121/0x230
[ 239.611359][ T6434] kobject_add_internal+0x6b8/0xc70
[ 239.616631][ T6434] kobject_init_and_add+0x126/0x190
[ 239.621873][ T6434] ? lockdep_softirqs_off+0x430/0x430
[ 239.627283][ T6434] ? kobject_add+0x220/0x220
[ 239.631980][ T6434] ? __init_swait_queue_head+0xa9/0x150
[ 239.637565][ T6434] gfs2_sys_fs_add+0x238/0x470
[ 239.642374][ T6434] ? gfs2_recover_set+0x250/0x250
[ 239.647443][ T6434] ? apply_workqueue_attrs+0x180/0x180
[ 239.652946][ T6434] gfs2_fill_super+0x1323/0x1f80
[ 239.657939][ T6434] ? gfs2_reconfigure+0xb10/0xb10
[ 239.663028][ T6434] ? setup_bdev_super+0x56b/0x660
[ 239.668101][ T6434] get_tree_bdev+0x3e4/0x510
[ 239.672731][ T6434] ? end_current_label_crit_section+0x170/0x170
[ 239.679013][ T6434] ? gfs2_reconfigure+0xb10/0xb10
[ 239.684110][ T6434] ? setup_bdev_super+0x660/0x660
[ 239.689198][ T6434] gfs2_get_tree+0x51/0x1e0
[ 239.693747][ T6434] vfs_get_tree+0x8c/0x280
[ 239.698425][ T6434] do_new_mount+0x24b/0xa40
[ 239.702978][ T6434] __se_sys_mount+0x2da/0x3c0
[ 239.707690][ T6434] ? __x64_sys_mount+0xc0/0xc0
[ 239.712497][ T6434] ? lockdep_hardirqs_on+0x98/0x150
[ 239.717743][ T6434] ? __x64_sys_mount+0x20/0xc0
[ 239.722548][ T6434] do_syscall_64+0x55/0xb0
[ 239.726998][ T6434] ? clear_bhb_loop+0x40/0x90
[ 239.731713][ T6434] ? clear_bhb_loop+0x40/0x90
[ 239.736433][ T6434] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 239.742365][ T6434] RIP: 0033:0x7f0ceb990eea
[ 239.746820][ T6434] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 239.766469][ T6434] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 239.774923][ T6434] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 239.782933][ T6434] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 239.790943][ T6434] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 239.798953][ T6434] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 239.807029][ T6434] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 239.815138][ T6434]
[ 239.826896][ T6434] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 239.840946][ T6434] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 240.267318][ T6437] loop1: detected capacity change from 0 to 32768
[ 240.287180][ T6437] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 240.295834][ T6437] CPU: 0 PID: 6437 Comm: syz.1.175 Not tainted syzkaller #0
[ 240.303210][ T6437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 240.313323][ T6437] Call Trace:
[ 240.316656][ T6437]
[ 240.319631][ T6437] dump_stack_lvl+0x16c/0x230
[ 240.324392][ T6437] ? show_regs_print_info+0x20/0x20
[ 240.329676][ T6437] ? load_image+0x3b0/0x3b0
[ 240.334260][ T6437] sysfs_create_dir_ns+0x256/0x280
[ 240.339440][ T6437] ? sysfs_warn_dup+0xa0/0xa0
[ 240.344185][ T6437] ? do_raw_spin_unlock+0x121/0x230
[ 240.349454][ T6437] kobject_add_internal+0x6b8/0xc70
[ 240.354724][ T6437] kobject_init_and_add+0x126/0x190
[ 240.359978][ T6437] ? lockdep_softirqs_off+0x430/0x430
[ 240.365421][ T6437] ? kobject_add+0x220/0x220
[ 240.370084][ T6437] ? __init_swait_queue_head+0xa9/0x150
[ 240.375694][ T6437] gfs2_sys_fs_add+0x238/0x470
[ 240.380546][ T6437] ? gfs2_recover_set+0x250/0x250
[ 240.385659][ T6437] ? apply_workqueue_attrs+0x180/0x180
[ 240.391205][ T6437] gfs2_fill_super+0x1323/0x1f80
[ 240.396228][ T6437] ? gfs2_reconfigure+0xb10/0xb10
[ 240.401424][ T6437] ? setup_bdev_super+0x56b/0x660
[ 240.406538][ T6437] get_tree_bdev+0x3e4/0x510
[ 240.411239][ T6437] ? end_current_label_crit_section+0x170/0x170
[ 240.417526][ T6437] ? gfs2_reconfigure+0xb10/0xb10
[ 240.422593][ T6437] ? setup_bdev_super+0x660/0x660
[ 240.427669][ T6437] gfs2_get_tree+0x51/0x1e0
[ 240.432256][ T6437] vfs_get_tree+0x8c/0x280
[ 240.436804][ T6437] do_new_mount+0x24b/0xa40
[ 240.441354][ T6437] __se_sys_mount+0x2da/0x3c0
[ 240.446076][ T6437] ? __x64_sys_mount+0xc0/0xc0
[ 240.450916][ T6437] ? lockdep_hardirqs_on+0x98/0x150
[ 240.456182][ T6437] ? __x64_sys_mount+0x20/0xc0
[ 240.461176][ T6437] do_syscall_64+0x55/0xb0
[ 240.465629][ T6437] ? clear_bhb_loop+0x40/0x90
[ 240.470351][ T6437] ? clear_bhb_loop+0x40/0x90
[ 240.475073][ T6437] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 240.481019][ T6437] RIP: 0033:0x7f0ceb990eea
[ 240.485494][ T6437] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 240.505146][ T6437] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 240.513619][ T6437] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 240.521634][ T6437] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 240.529658][ T6437] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 240.537668][ T6437] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 240.545677][ T6437] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 240.553710][ T6437]
[ 240.572717][ T6437] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 240.597016][ T6437] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 241.011916][ T6440] loop1: detected capacity change from 0 to 32768
[ 241.027071][ T6440] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 241.035741][ T6440] CPU: 0 PID: 6440 Comm: syz.1.176 Not tainted syzkaller #0
[ 241.043204][ T6440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 241.053329][ T6440] Call Trace:
[ 241.056672][ T6440]
[ 241.059665][ T6440] dump_stack_lvl+0x16c/0x230
[ 241.064417][ T6440] ? show_regs_print_info+0x20/0x20
[ 241.069695][ T6440] ? load_image+0x3b0/0x3b0
[ 241.074286][ T6440] sysfs_create_dir_ns+0x256/0x280
[ 241.079481][ T6440] ? sysfs_warn_dup+0xa0/0xa0
[ 241.084232][ T6440] ? do_raw_spin_unlock+0x121/0x230
[ 241.089500][ T6440] kobject_add_internal+0x6b8/0xc70
[ 241.094774][ T6440] kobject_init_and_add+0x126/0x190
[ 241.100051][ T6440] ? lockdep_softirqs_off+0x430/0x430
[ 241.105498][ T6440] ? kobject_add+0x220/0x220
[ 241.110171][ T6440] ? __init_swait_queue_head+0xa9/0x150
[ 241.115809][ T6440] gfs2_sys_fs_add+0x238/0x470
[ 241.120658][ T6440] ? gfs2_recover_set+0x250/0x250
[ 241.125768][ T6440] ? apply_workqueue_attrs+0x180/0x180
[ 241.131317][ T6440] gfs2_fill_super+0x1323/0x1f80
[ 241.136415][ T6440] ? gfs2_reconfigure+0xb10/0xb10
[ 241.141629][ T6440] ? setup_bdev_super+0x56b/0x660
[ 241.146737][ T6440] get_tree_bdev+0x3e4/0x510
[ 241.151470][ T6440] ? end_current_label_crit_section+0x170/0x170
[ 241.157900][ T6440] ? gfs2_reconfigure+0xb10/0xb10
[ 241.162993][ T6440] ? setup_bdev_super+0x660/0x660
[ 241.168065][ T6440] gfs2_get_tree+0x51/0x1e0
[ 241.172610][ T6440] vfs_get_tree+0x8c/0x280
[ 241.177061][ T6440] do_new_mount+0x24b/0xa40
[ 241.181617][ T6440] __se_sys_mount+0x2da/0x3c0
[ 241.186342][ T6440] ? __x64_sys_mount+0xc0/0xc0
[ 241.191160][ T6440] ? lockdep_hardirqs_on+0x98/0x150
[ 241.196407][ T6440] ? __x64_sys_mount+0x20/0xc0
[ 241.201228][ T6440] do_syscall_64+0x55/0xb0
[ 241.205694][ T6440] ? clear_bhb_loop+0x40/0x90
[ 241.210411][ T6440] ? clear_bhb_loop+0x40/0x90
[ 241.215129][ T6440] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 241.221065][ T6440] RIP: 0033:0x7f0ceb990eea
[ 241.225545][ T6440] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 241.245221][ T6440] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 241.253675][ T6440] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 241.261710][ T6440] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 241.269750][ T6440] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 241.277765][ T6440] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 241.285773][ T6440] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 241.293810][ T6440]
[ 241.307208][ T6440] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 241.324523][ T6440] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 241.736924][ T6443] loop1: detected capacity change from 0 to 32768
[ 241.746937][ T6443] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 241.756462][ T6443] CPU: 1 PID: 6443 Comm: syz.1.177 Not tainted syzkaller #0
[ 241.763851][ T6443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 241.773968][ T6443] Call Trace:
[ 241.777305][ T6443]
[ 241.780290][ T6443] dump_stack_lvl+0x16c/0x230
[ 241.785049][ T6443] ? show_regs_print_info+0x20/0x20
[ 241.790335][ T6443] ? load_image+0x3b0/0x3b0
[ 241.794926][ T6443] sysfs_create_dir_ns+0x256/0x280
[ 241.800124][ T6443] ? sysfs_warn_dup+0xa0/0xa0
[ 241.804882][ T6443] ? do_raw_spin_unlock+0x121/0x230
[ 241.810161][ T6443] kobject_add_internal+0x6b8/0xc70
[ 241.815448][ T6443] kobject_init_and_add+0x126/0x190
[ 241.820714][ T6443] ? lockdep_softirqs_off+0x430/0x430
[ 241.826227][ T6443] ? kobject_add+0x220/0x220
[ 241.830943][ T6443] ? __init_swait_queue_head+0xa9/0x150
[ 241.836562][ T6443] gfs2_sys_fs_add+0x238/0x470
[ 241.841397][ T6443] ? gfs2_recover_set+0x250/0x250
[ 241.846497][ T6443] ? apply_workqueue_attrs+0x180/0x180
[ 241.852041][ T6443] gfs2_fill_super+0x1323/0x1f80
[ 241.857063][ T6443] ? gfs2_reconfigure+0xb10/0xb10
[ 241.862173][ T6443] ? setup_bdev_super+0x56b/0x660
[ 241.867262][ T6443] get_tree_bdev+0x3e4/0x510
[ 241.871931][ T6443] ? end_current_label_crit_section+0x170/0x170
[ 241.878241][ T6443] ? gfs2_reconfigure+0xb10/0xb10
[ 241.883342][ T6443] ? setup_bdev_super+0x660/0x660
[ 241.888445][ T6443] gfs2_get_tree+0x51/0x1e0
[ 241.893025][ T6443] vfs_get_tree+0x8c/0x280
[ 241.897499][ T6443] do_new_mount+0x24b/0xa40
[ 241.902063][ T6443] __se_sys_mount+0x2da/0x3c0
[ 241.906812][ T6443] ? __x64_sys_mount+0xc0/0xc0
[ 241.911643][ T6443] ? lockdep_hardirqs_on+0x98/0x150
[ 241.916900][ T6443] ? __x64_sys_mount+0x20/0xc0
[ 241.921722][ T6443] do_syscall_64+0x55/0xb0
[ 241.926199][ T6443] ? clear_bhb_loop+0x40/0x90
[ 241.930937][ T6443] ? clear_bhb_loop+0x40/0x90
[ 241.935748][ T6443] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 241.941718][ T6443] RIP: 0033:0x7f0ceb990eea
[ 241.946193][ T6443] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 241.965906][ T6443] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 241.974393][ T6443] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 241.982440][ T6443] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 241.990459][ T6443] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 241.998462][ T6443] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 242.006460][ T6443] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 242.014503][ T6443]
[ 242.019092][ T6443] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 242.033296][ T6443] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 242.551120][ T6446] loop1: detected capacity change from 0 to 32768
[ 242.561713][ T6446] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 242.569858][ T6446] CPU: 0 PID: 6446 Comm: syz.1.178 Not tainted syzkaller #0
[ 242.577220][ T6446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 242.587363][ T6446] Call Trace:
[ 242.590702][ T6446]
[ 242.593683][ T6446] dump_stack_lvl+0x16c/0x230
[ 242.598436][ T6446] ? show_regs_print_info+0x20/0x20
[ 242.603716][ T6446] ? load_image+0x3b0/0x3b0
[ 242.608308][ T6446] sysfs_create_dir_ns+0x256/0x280
[ 242.613501][ T6446] ? sysfs_warn_dup+0xa0/0xa0
[ 242.618269][ T6446] ? do_raw_spin_unlock+0x121/0x230
[ 242.623552][ T6446] kobject_add_internal+0x6b8/0xc70
[ 242.628839][ T6446] kobject_init_and_add+0x126/0x190
[ 242.634126][ T6446] ? lockdep_softirqs_off+0x430/0x430
[ 242.639609][ T6446] ? kobject_add+0x220/0x220
[ 242.644303][ T6446] ? __init_swait_queue_head+0xa9/0x150
[ 242.649945][ T6446] gfs2_sys_fs_add+0x238/0x470
[ 242.654815][ T6446] ? gfs2_recover_set+0x250/0x250
[ 242.659940][ T6446] ? apply_workqueue_attrs+0x180/0x180
[ 242.665482][ T6446] gfs2_fill_super+0x1323/0x1f80
[ 242.670511][ T6446] ? gfs2_reconfigure+0xb10/0xb10
[ 242.675618][ T6446] ? setup_bdev_super+0x56b/0x660
[ 242.681132][ T6446] get_tree_bdev+0x3e4/0x510
[ 242.685767][ T6446] ? end_current_label_crit_section+0x170/0x170
[ 242.692201][ T6446] ? gfs2_reconfigure+0xb10/0xb10
[ 242.697290][ T6446] ? setup_bdev_super+0x660/0x660
[ 242.702388][ T6446] gfs2_get_tree+0x51/0x1e0
[ 242.706934][ T6446] vfs_get_tree+0x8c/0x280
[ 242.711401][ T6446] do_new_mount+0x24b/0xa40
[ 242.715943][ T6446] __se_sys_mount+0x2da/0x3c0
[ 242.720710][ T6446] ? __x64_sys_mount+0xc0/0xc0
[ 242.725552][ T6446] ? lockdep_hardirqs_on+0x98/0x150
[ 242.730832][ T6446] ? __x64_sys_mount+0x20/0xc0
[ 242.735660][ T6446] do_syscall_64+0x55/0xb0
[ 242.740133][ T6446] ? clear_bhb_loop+0x40/0x90
[ 242.744877][ T6446] ? clear_bhb_loop+0x40/0x90
[ 242.749701][ T6446] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 242.755734][ T6446] RIP: 0033:0x7f0ceb990eea
[ 242.760194][ T6446] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 242.779854][ T6446] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 242.788314][ T6446] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 242.796325][ T6446] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 242.804337][ T6446] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 242.812358][ T6446] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 242.820390][ T6446] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 242.828451][ T6446]
[ 242.840140][ T6446] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 242.854639][ T6446] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 243.266913][ T6449] loop1: detected capacity change from 0 to 32768
[ 243.281149][ T6449] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 243.297378][ T6449] CPU: 1 PID: 6449 Comm: syz.1.179 Not tainted syzkaller #0
[ 243.304775][ T6449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 243.314894][ T6449] Call Trace:
[ 243.318224][ T6449]
[ 243.321193][ T6449] dump_stack_lvl+0x16c/0x230
[ 243.325933][ T6449] ? show_regs_print_info+0x20/0x20
[ 243.331206][ T6449] ? load_image+0x3b0/0x3b0
[ 243.335794][ T6449] sysfs_create_dir_ns+0x256/0x280
[ 243.340983][ T6449] ? sysfs_warn_dup+0xa0/0xa0
[ 243.345717][ T6449] ? do_raw_spin_unlock+0x121/0x230
[ 243.350956][ T6449] kobject_add_internal+0x6b8/0xc70
[ 243.356204][ T6449] kobject_init_and_add+0x126/0x190
[ 243.361448][ T6449] ? lockdep_softirqs_off+0x430/0x430
[ 243.366864][ T6449] ? kobject_add+0x220/0x220
[ 243.371523][ T6449] ? __init_swait_queue_head+0xa9/0x150
[ 243.377125][ T6449] gfs2_sys_fs_add+0x238/0x470
[ 243.381953][ T6449] ? gfs2_recover_set+0x250/0x250
[ 243.387032][ T6449] ? apply_workqueue_attrs+0x180/0x180
[ 243.392544][ T6449] gfs2_fill_super+0x1323/0x1f80
[ 243.397866][ T6449] ? gfs2_reconfigure+0xb10/0xb10
[ 243.402999][ T6449] ? setup_bdev_super+0x56b/0x660
[ 243.408067][ T6449] get_tree_bdev+0x3e4/0x510
[ 243.412775][ T6449] ? end_current_label_crit_section+0x170/0x170
[ 243.419059][ T6449] ? gfs2_reconfigure+0xb10/0xb10
[ 243.424124][ T6449] ? setup_bdev_super+0x660/0x660
[ 243.429192][ T6449] gfs2_get_tree+0x51/0x1e0
[ 243.433748][ T6449] vfs_get_tree+0x8c/0x280
[ 243.438201][ T6449] do_new_mount+0x24b/0xa40
[ 243.442785][ T6449] __se_sys_mount+0x2da/0x3c0
[ 243.447518][ T6449] ? __x64_sys_mount+0xc0/0xc0
[ 243.452368][ T6449] ? lockdep_hardirqs_on+0x98/0x150
[ 243.457623][ T6449] ? __x64_sys_mount+0x20/0xc0
[ 243.462423][ T6449] do_syscall_64+0x55/0xb0
[ 243.466917][ T6449] ? clear_bhb_loop+0x40/0x90
[ 243.471672][ T6449] ? clear_bhb_loop+0x40/0x90
[ 243.476410][ T6449] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 243.482443][ T6449] RIP: 0033:0x7f0ceb990eea
[ 243.486919][ T6449] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 243.506702][ T6449] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 243.515184][ T6449] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 243.523204][ T6449] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 243.531243][ T6449] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 243.539265][ T6449] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 243.547271][ T6449] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 243.555377][ T6449]
[ 243.569195][ T6449] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 243.585138][ T6449] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/31 16:10:30 executed programs: 165
[ 243.999833][ T6452] loop1: detected capacity change from 0 to 32768
[ 244.016259][ T6452] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 244.028420][ T6452] CPU: 0 PID: 6452 Comm: syz.1.180 Not tainted syzkaller #0
[ 244.035878][ T6452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 244.046000][ T6452] Call Trace:
[ 244.049339][ T6452]
[ 244.052328][ T6452] dump_stack_lvl+0x16c/0x230
[ 244.057176][ T6452] ? show_regs_print_info+0x20/0x20
[ 244.062458][ T6452] ? load_image+0x3b0/0x3b0
[ 244.067051][ T6452] sysfs_create_dir_ns+0x256/0x280
[ 244.072329][ T6452] ? sysfs_warn_dup+0xa0/0xa0
[ 244.077082][ T6452] ? do_raw_spin_unlock+0x121/0x230
[ 244.082364][ T6452] kobject_add_internal+0x6b8/0xc70
[ 244.087650][ T6452] kobject_init_and_add+0x126/0x190
[ 244.092912][ T6452] ? lockdep_softirqs_off+0x430/0x430
[ 244.098356][ T6452] ? kobject_add+0x220/0x220
[ 244.103001][ T6452] ? __init_swait_queue_head+0xa9/0x150
[ 244.108598][ T6452] gfs2_sys_fs_add+0x238/0x470
[ 244.113407][ T6452] ? gfs2_recover_set+0x250/0x250
[ 244.118503][ T6452] ? apply_workqueue_attrs+0x180/0x180
[ 244.124013][ T6452] gfs2_fill_super+0x1323/0x1f80
[ 244.129010][ T6452] ? gfs2_reconfigure+0xb10/0xb10
[ 244.134096][ T6452] ? setup_bdev_super+0x56b/0x660
[ 244.139169][ T6452] get_tree_bdev+0x3e4/0x510
[ 244.143811][ T6452] ? end_current_label_crit_section+0x170/0x170
[ 244.150100][ T6452] ? gfs2_reconfigure+0xb10/0xb10
[ 244.155172][ T6452] ? setup_bdev_super+0x660/0x660
[ 244.160251][ T6452] gfs2_get_tree+0x51/0x1e0
[ 244.164820][ T6452] vfs_get_tree+0x8c/0x280
[ 244.169279][ T6452] do_new_mount+0x24b/0xa40
[ 244.173836][ T6452] __se_sys_mount+0x2da/0x3c0
[ 244.178645][ T6452] ? __x64_sys_mount+0xc0/0xc0
[ 244.183453][ T6452] ? lockdep_hardirqs_on+0x98/0x150
[ 244.188703][ T6452] ? __x64_sys_mount+0x20/0xc0
[ 244.193602][ T6452] do_syscall_64+0x55/0xb0
[ 244.198064][ T6452] ? clear_bhb_loop+0x40/0x90
[ 244.202793][ T6452] ? clear_bhb_loop+0x40/0x90
[ 244.207522][ T6452] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 244.213457][ T6452] RIP: 0033:0x7f0ceb990eea
[ 244.217914][ T6452] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 244.237569][ T6452] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 244.246030][ T6452] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 244.254045][ T6452] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 244.262078][ T6452] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 244.270099][ T6452] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 244.278120][ T6452] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 244.286148][ T6452]
[ 244.293641][ T6452] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 244.308114][ T6452] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 244.727951][ T6455] loop1: detected capacity change from 0 to 32768
[ 244.738503][ T6455] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 244.746129][ T6455] CPU: 0 PID: 6455 Comm: syz.1.181 Not tainted syzkaller #0
[ 244.753473][ T6455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 244.763605][ T6455] Call Trace:
[ 244.766934][ T6455]
[ 244.769924][ T6455] dump_stack_lvl+0x16c/0x230
[ 244.774680][ T6455] ? show_regs_print_info+0x20/0x20
[ 244.779978][ T6455] ? load_image+0x3b0/0x3b0
[ 244.784580][ T6455] sysfs_create_dir_ns+0x256/0x280
[ 244.789789][ T6455] ? sysfs_warn_dup+0xa0/0xa0
[ 244.794560][ T6455] ? do_raw_spin_unlock+0x121/0x230
[ 244.799836][ T6455] kobject_add_internal+0x6b8/0xc70
[ 244.805120][ T6455] kobject_init_and_add+0x126/0x190
[ 244.810381][ T6455] ? lockdep_softirqs_off+0x430/0x430
[ 244.815794][ T6455] ? kobject_add+0x220/0x220
[ 244.820428][ T6455] ? __init_swait_queue_head+0xa9/0x150
[ 244.826020][ T6455] gfs2_sys_fs_add+0x238/0x470
[ 244.830833][ T6455] ? gfs2_recover_set+0x250/0x250
[ 244.835901][ T6455] ? apply_workqueue_attrs+0x180/0x180
[ 244.841411][ T6455] gfs2_fill_super+0x1323/0x1f80
[ 244.846400][ T6455] ? gfs2_reconfigure+0xb10/0xb10
[ 244.851475][ T6455] ? setup_bdev_super+0x56b/0x660
[ 244.856540][ T6455] get_tree_bdev+0x3e4/0x510
[ 244.861170][ T6455] ? end_current_label_crit_section+0x170/0x170
[ 244.867463][ T6455] ? gfs2_reconfigure+0xb10/0xb10
[ 244.872534][ T6455] ? setup_bdev_super+0x660/0x660
[ 244.877607][ T6455] gfs2_get_tree+0x51/0x1e0
[ 244.882159][ T6455] vfs_get_tree+0x8c/0x280
[ 244.886705][ T6455] do_new_mount+0x24b/0xa40
[ 244.891250][ T6455] __se_sys_mount+0x2da/0x3c0
[ 244.895975][ T6455] ? __x64_sys_mount+0xc0/0xc0
[ 244.900786][ T6455] ? lockdep_hardirqs_on+0x98/0x150
[ 244.906034][ T6455] ? __x64_sys_mount+0x20/0xc0
[ 244.910842][ T6455] do_syscall_64+0x55/0xb0
[ 244.915294][ T6455] ? clear_bhb_loop+0x40/0x90
[ 244.920099][ T6455] ? clear_bhb_loop+0x40/0x90
[ 244.924817][ T6455] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 244.930833][ T6455] RIP: 0033:0x7f0ceb990eea
[ 244.935333][ T6455] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 244.955022][ T6455] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 244.963487][ T6455] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 244.971497][ T6455] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 244.979504][ T6455] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 244.987514][ T6455] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 244.995528][ T6455] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 245.003560][ T6455]
[ 245.018647][ T6455] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 245.032954][ T6455] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 245.440044][ T6458] loop1: detected capacity change from 0 to 32768
[ 245.463343][ T6458] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 245.470823][ T6458] CPU: 1 PID: 6458 Comm: syz.1.182 Not tainted syzkaller #0
[ 245.478164][ T6458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 245.488334][ T6458] Call Trace:
[ 245.491661][ T6458]
[ 245.494631][ T6458] dump_stack_lvl+0x16c/0x230
[ 245.499358][ T6458] ? show_regs_print_info+0x20/0x20
[ 245.504931][ T6458] ? load_image+0x3b0/0x3b0
[ 245.509499][ T6458] sysfs_create_dir_ns+0x256/0x280
[ 245.514672][ T6458] ? sysfs_warn_dup+0xa0/0xa0
[ 245.519401][ T6458] ? do_raw_spin_unlock+0x121/0x230
[ 245.524676][ T6458] kobject_add_internal+0x6b8/0xc70
[ 245.529959][ T6458] kobject_init_and_add+0x126/0x190
[ 245.535211][ T6458] ? lockdep_softirqs_off+0x430/0x430
[ 245.540640][ T6458] ? kobject_add+0x220/0x220
[ 245.545291][ T6458] ? __init_swait_queue_head+0xa9/0x150
[ 245.550975][ T6458] gfs2_sys_fs_add+0x238/0x470
[ 245.555910][ T6458] ? gfs2_recover_set+0x250/0x250
[ 245.561085][ T6458] ? apply_workqueue_attrs+0x180/0x180
[ 245.566631][ T6458] gfs2_fill_super+0x1323/0x1f80
[ 245.571661][ T6458] ? gfs2_reconfigure+0xb10/0xb10
[ 245.576749][ T6458] ? setup_bdev_super+0x56b/0x660
[ 245.581820][ T6458] get_tree_bdev+0x3e4/0x510
[ 245.586710][ T6458] ? end_current_label_crit_section+0x170/0x170
[ 245.593080][ T6458] ? gfs2_reconfigure+0xb10/0xb10
[ 245.598234][ T6458] ? setup_bdev_super+0x660/0x660
[ 245.603300][ T6458] gfs2_get_tree+0x51/0x1e0
[ 245.607855][ T6458] vfs_get_tree+0x8c/0x280
[ 245.612315][ T6458] do_new_mount+0x24b/0xa40
[ 245.616885][ T6458] __se_sys_mount+0x2da/0x3c0
[ 245.621632][ T6458] ? __x64_sys_mount+0xc0/0xc0
[ 245.626442][ T6458] ? lockdep_hardirqs_on+0x98/0x150
[ 245.631676][ T6458] ? __x64_sys_mount+0x20/0xc0
[ 245.636474][ T6458] do_syscall_64+0x55/0xb0
[ 245.640931][ T6458] ? clear_bhb_loop+0x40/0x90
[ 245.645676][ T6458] ? clear_bhb_loop+0x40/0x90
[ 245.650436][ T6458] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 245.656423][ T6458] RIP: 0033:0x7f0ceb990eea
[ 245.660917][ T6458] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 245.680673][ T6458] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 245.689318][ T6458] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 245.697345][ T6458] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 245.705367][ T6458] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 245.713389][ T6458] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 245.721402][ T6458] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 245.729430][ T6458]
[ 245.733740][ T6458] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 245.751377][ T6458] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 246.185436][ T6461] loop1: detected capacity change from 0 to 32768
[ 246.201539][ T6461] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 246.213305][ T6461] CPU: 1 PID: 6461 Comm: syz.1.183 Not tainted syzkaller #0
[ 246.221288][ T6461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 246.231435][ T6461] Call Trace:
[ 246.234786][ T6461]
[ 246.237767][ T6461] dump_stack_lvl+0x16c/0x230
[ 246.242523][ T6461] ? show_regs_print_info+0x20/0x20
[ 246.247806][ T6461] ? load_image+0x3b0/0x3b0
[ 246.252403][ T6461] sysfs_create_dir_ns+0x256/0x280
[ 246.257768][ T6461] ? sysfs_warn_dup+0xa0/0xa0
[ 246.262616][ T6461] ? do_raw_spin_unlock+0x121/0x230
[ 246.267885][ T6461] kobject_add_internal+0x6b8/0xc70
[ 246.273159][ T6461] kobject_init_and_add+0x126/0x190
[ 246.278419][ T6461] ? lockdep_softirqs_off+0x430/0x430
[ 246.284035][ T6461] ? kobject_add+0x220/0x220
[ 246.288707][ T6461] ? __init_swait_queue_head+0xa9/0x150
[ 246.294318][ T6461] gfs2_sys_fs_add+0x238/0x470
[ 246.299157][ T6461] ? gfs2_recover_set+0x250/0x250
[ 246.304699][ T6461] ? apply_workqueue_attrs+0x180/0x180
[ 246.310230][ T6461] gfs2_fill_super+0x1323/0x1f80
[ 246.315262][ T6461] ? gfs2_reconfigure+0xb10/0xb10
[ 246.320378][ T6461] ? setup_bdev_super+0x56b/0x660
[ 246.325459][ T6461] get_tree_bdev+0x3e4/0x510
[ 246.330091][ T6461] ? end_current_label_crit_section+0x170/0x170
[ 246.336406][ T6461] ? gfs2_reconfigure+0xb10/0xb10
[ 246.341516][ T6461] ? setup_bdev_super+0x660/0x660
[ 246.346579][ T6461] gfs2_get_tree+0x51/0x1e0
[ 246.351113][ T6461] vfs_get_tree+0x8c/0x280
[ 246.355559][ T6461] do_new_mount+0x24b/0xa40
[ 246.360118][ T6461] __se_sys_mount+0x2da/0x3c0
[ 246.364859][ T6461] ? __x64_sys_mount+0xc0/0xc0
[ 246.369664][ T6461] ? lockdep_hardirqs_on+0x98/0x150
[ 246.374901][ T6461] ? __x64_sys_mount+0x20/0xc0
[ 246.379699][ T6461] do_syscall_64+0x55/0xb0
[ 246.384153][ T6461] ? clear_bhb_loop+0x40/0x90
[ 246.388871][ T6461] ? clear_bhb_loop+0x40/0x90
[ 246.393589][ T6461] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 246.399516][ T6461] RIP: 0033:0x7f0ceb990eea
[ 246.403979][ T6461] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 246.423648][ T6461] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 246.432101][ T6461] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 246.440198][ T6461] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 246.448221][ T6461] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 246.456252][ T6461] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 246.464259][ T6461] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 246.472269][ T6461]
[ 246.487134][ T6461] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 246.507363][ T6461] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 246.544089][ T5942] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[ 247.021111][ T6464] loop1: detected capacity change from 0 to 32768
[ 247.037017][ T6464] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 247.044879][ T6464] CPU: 1 PID: 6464 Comm: syz.1.184 Not tainted syzkaller #0
[ 247.052230][ T6464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 247.062352][ T6464] Call Trace:
[ 247.065684][ T6464]
[ 247.068670][ T6464] dump_stack_lvl+0x16c/0x230
[ 247.073427][ T6464] ? show_regs_print_info+0x20/0x20
[ 247.078715][ T6464] ? load_image+0x3b0/0x3b0
[ 247.083331][ T6464] sysfs_create_dir_ns+0x256/0x280
[ 247.088561][ T6464] ? sysfs_warn_dup+0xa0/0xa0
[ 247.093318][ T6464] ? do_raw_spin_unlock+0x121/0x230
[ 247.098588][ T6464] kobject_add_internal+0x6b8/0xc70
[ 247.103858][ T6464] kobject_init_and_add+0x126/0x190
[ 247.109113][ T6464] ? lockdep_softirqs_off+0x430/0x430
[ 247.114526][ T6464] ? kobject_add+0x220/0x220
[ 247.119169][ T6464] ? __init_swait_queue_head+0xa9/0x150
[ 247.124758][ T6464] gfs2_sys_fs_add+0x238/0x470
[ 247.129569][ T6464] ? gfs2_recover_set+0x250/0x250
[ 247.134645][ T6464] ? apply_workqueue_attrs+0x180/0x180
[ 247.140155][ T6464] gfs2_fill_super+0x1323/0x1f80
[ 247.145180][ T6464] ? gfs2_reconfigure+0xb10/0xb10
[ 247.150350][ T6464] ? setup_bdev_super+0x56b/0x660
[ 247.155420][ T6464] get_tree_bdev+0x3e4/0x510
[ 247.160053][ T6464] ? end_current_label_crit_section+0x170/0x170
[ 247.166440][ T6464] ? gfs2_reconfigure+0xb10/0xb10
[ 247.171537][ T6464] ? setup_bdev_super+0x660/0x660
[ 247.176621][ T6464] gfs2_get_tree+0x51/0x1e0
[ 247.181175][ T6464] vfs_get_tree+0x8c/0x280
[ 247.185641][ T6464] do_new_mount+0x24b/0xa40
[ 247.190323][ T6464] __se_sys_mount+0x2da/0x3c0
[ 247.195064][ T6464] ? __x64_sys_mount+0xc0/0xc0
[ 247.199864][ T6464] ? lockdep_hardirqs_on+0x98/0x150
[ 247.205097][ T6464] ? __x64_sys_mount+0x20/0xc0
[ 247.209893][ T6464] do_syscall_64+0x55/0xb0
[ 247.214335][ T6464] ? clear_bhb_loop+0x40/0x90
[ 247.219050][ T6464] ? clear_bhb_loop+0x40/0x90
[ 247.223765][ T6464] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 247.229690][ T6464] RIP: 0033:0x7f0ceb990eea
[ 247.234130][ T6464] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 247.253796][ T6464] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 247.262258][ T6464] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 247.270309][ T6464] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 247.278326][ T6464] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 247.286338][ T6464] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 247.294347][ T6464] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 247.302368][ T6464]
[ 247.308885][ T6464] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 247.331090][ T6464] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 247.771166][ T6468] loop1: detected capacity change from 0 to 32768
[ 247.782833][ T6468] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 247.791130][ T6468] CPU: 0 PID: 6468 Comm: syz.1.185 Not tainted syzkaller #0
[ 247.798519][ T6468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 247.808635][ T6468] Call Trace:
[ 247.811970][ T6468]
[ 247.814949][ T6468] dump_stack_lvl+0x16c/0x230
[ 247.819698][ T6468] ? show_regs_print_info+0x20/0x20
[ 247.824950][ T6468] ? load_image+0x3b0/0x3b0
[ 247.829516][ T6468] sysfs_create_dir_ns+0x256/0x280
[ 247.834693][ T6468] ? sysfs_warn_dup+0xa0/0xa0
[ 247.839437][ T6468] ? do_raw_spin_unlock+0x121/0x230
[ 247.844784][ T6468] kobject_add_internal+0x6b8/0xc70
[ 247.850047][ T6468] kobject_init_and_add+0x126/0x190
[ 247.855453][ T6468] ? lockdep_softirqs_off+0x430/0x430
[ 247.860892][ T6468] ? kobject_add+0x220/0x220
[ 247.865553][ T6468] ? __init_swait_queue_head+0xa9/0x150
[ 247.871170][ T6468] gfs2_sys_fs_add+0x238/0x470
[ 247.876006][ T6468] ? gfs2_recover_set+0x250/0x250
[ 247.881104][ T6468] ? apply_workqueue_attrs+0x180/0x180
[ 247.886636][ T6468] gfs2_fill_super+0x1323/0x1f80
[ 247.891655][ T6468] ? gfs2_reconfigure+0xb10/0xb10
[ 247.896762][ T6468] ? setup_bdev_super+0x56b/0x660
[ 247.901846][ T6468] get_tree_bdev+0x3e4/0x510
[ 247.906498][ T6468] ? end_current_label_crit_section+0x170/0x170
[ 247.912799][ T6468] ? gfs2_reconfigure+0xb10/0xb10
[ 247.917893][ T6468] ? setup_bdev_super+0x660/0x660
[ 247.922992][ T6468] gfs2_get_tree+0x51/0x1e0
[ 247.927562][ T6468] vfs_get_tree+0x8c/0x280
[ 247.932037][ T6468] do_new_mount+0x24b/0xa40
[ 247.936711][ T6468] __se_sys_mount+0x2da/0x3c0
[ 247.941451][ T6468] ? __x64_sys_mount+0xc0/0xc0
[ 247.946269][ T6468] ? lockdep_hardirqs_on+0x98/0x150
[ 247.951525][ T6468] ? __x64_sys_mount+0x20/0xc0
[ 247.956372][ T6468] do_syscall_64+0x55/0xb0
[ 247.960845][ T6468] ? clear_bhb_loop+0x40/0x90
[ 247.965578][ T6468] ? clear_bhb_loop+0x40/0x90
[ 247.970317][ T6468] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 247.976280][ T6468] RIP: 0033:0x7f0ceb990eea
[ 247.980745][ T6468] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 248.000421][ T6468] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 248.008893][ T6468] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 248.016924][ T6468] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 248.024958][ T6468] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 248.032990][ T6468] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 248.041036][ T6468] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 248.049084][ T6468]
[ 248.059631][ T5081] Bluetooth: hci1: command 0x0406 tx timeout
[ 248.073644][ T6468] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 248.088360][ T6468] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 248.528444][ T6474] loop1: detected capacity change from 0 to 32768
[ 248.544135][ T6474] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 248.551963][ T6474] CPU: 0 PID: 6474 Comm: syz.1.186 Not tainted syzkaller #0
[ 248.559401][ T6474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 248.569606][ T6474] Call Trace:
[ 248.572995][ T6474]
[ 248.575985][ T6474] dump_stack_lvl+0x16c/0x230
[ 248.580747][ T6474] ? show_regs_print_info+0x20/0x20
[ 248.586029][ T6474] ? load_image+0x3b0/0x3b0
[ 248.590627][ T6474] sysfs_create_dir_ns+0x256/0x280
[ 248.595836][ T6474] ? sysfs_warn_dup+0xa0/0xa0
[ 248.600597][ T6474] ? do_raw_spin_unlock+0x121/0x230
[ 248.605879][ T6474] kobject_add_internal+0x6b8/0xc70
[ 248.611157][ T6474] kobject_init_and_add+0x126/0x190
[ 248.616423][ T6474] ? lockdep_softirqs_off+0x430/0x430
[ 248.621861][ T6474] ? kobject_add+0x220/0x220
[ 248.626523][ T6474] ? __init_swait_queue_head+0xa9/0x150
[ 248.632136][ T6474] gfs2_sys_fs_add+0x238/0x470
[ 248.636965][ T6474] ? gfs2_recover_set+0x250/0x250
[ 248.642064][ T6474] ? apply_workqueue_attrs+0x180/0x180
[ 248.647600][ T6474] gfs2_fill_super+0x1323/0x1f80
[ 248.652621][ T6474] ? gfs2_reconfigure+0xb10/0xb10
[ 248.657708][ T6474] ? setup_bdev_super+0x56b/0x660
[ 248.662784][ T6474] get_tree_bdev+0x3e4/0x510
[ 248.667407][ T6474] ? end_current_label_crit_section+0x170/0x170
[ 248.673688][ T6474] ? gfs2_reconfigure+0xb10/0xb10
[ 248.678745][ T6474] ? setup_bdev_super+0x660/0x660
[ 248.683810][ T6474] gfs2_get_tree+0x51/0x1e0
[ 248.688364][ T6474] vfs_get_tree+0x8c/0x280
[ 248.692818][ T6474] do_new_mount+0x24b/0xa40
[ 248.697361][ T6474] __se_sys_mount+0x2da/0x3c0
[ 248.702107][ T6474] ? __x64_sys_mount+0xc0/0xc0
[ 248.706918][ T6474] ? lockdep_hardirqs_on+0x98/0x150
[ 248.712152][ T6474] ? __x64_sys_mount+0x20/0xc0
[ 248.716956][ T6474] do_syscall_64+0x55/0xb0
[ 248.721403][ T6474] ? clear_bhb_loop+0x40/0x90
[ 248.726111][ T6474] ? clear_bhb_loop+0x40/0x90
[ 248.730821][ T6474] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 248.736749][ T6474] RIP: 0033:0x7f0ceb990eea
[ 248.741193][ T6474] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 248.760846][ T6474] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 248.769298][ T6474] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 248.777311][ T6474] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 248.785312][ T6474] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 248.793310][ T6474] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 248.801393][ T6474] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 248.809411][ T6474]
[ 248.835450][ T6474] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 248.857383][ T6474] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/31 16:10:35 executed programs: 172
[ 249.275641][ T6479] loop1: detected capacity change from 0 to 32768
[ 249.295157][ T6479] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 249.302768][ T6479] CPU: 0 PID: 6479 Comm: syz.1.187 Not tainted syzkaller #0
[ 249.310123][ T6479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 249.320280][ T6479] Call Trace:
[ 249.323703][ T6479]
[ 249.326691][ T6479] dump_stack_lvl+0x16c/0x230
[ 249.331474][ T6479] ? show_regs_print_info+0x20/0x20
[ 249.336749][ T6479] ? load_image+0x3b0/0x3b0
[ 249.341353][ T6479] sysfs_create_dir_ns+0x256/0x280
[ 249.346568][ T6479] ? sysfs_warn_dup+0xa0/0xa0
[ 249.351334][ T6479] ? do_raw_spin_unlock+0x121/0x230
[ 249.356650][ T6479] kobject_add_internal+0x6b8/0xc70
[ 249.361940][ T6479] kobject_init_and_add+0x126/0x190
[ 249.367259][ T6479] ? lockdep_softirqs_off+0x430/0x430
[ 249.372784][ T6479] ? kobject_add+0x220/0x220
[ 249.377440][ T6479] ? __init_swait_queue_head+0xa9/0x150
[ 249.383055][ T6479] gfs2_sys_fs_add+0x238/0x470
[ 249.387914][ T6479] ? gfs2_recover_set+0x250/0x250
[ 249.393014][ T6479] ? apply_workqueue_attrs+0x180/0x180
[ 249.398563][ T6479] gfs2_fill_super+0x1323/0x1f80
[ 249.403597][ T6479] ? gfs2_reconfigure+0xb10/0xb10
[ 249.408709][ T6479] ? setup_bdev_super+0x56b/0x660
[ 249.413819][ T6479] get_tree_bdev+0x3e4/0x510
[ 249.418519][ T6479] ? end_current_label_crit_section+0x170/0x170
[ 249.424853][ T6479] ? gfs2_reconfigure+0xb10/0xb10
[ 249.429933][ T6479] ? setup_bdev_super+0x660/0x660
[ 249.435014][ T6479] gfs2_get_tree+0x51/0x1e0
[ 249.439568][ T6479] vfs_get_tree+0x8c/0x280
[ 249.444026][ T6479] do_new_mount+0x24b/0xa40
[ 249.448584][ T6479] __se_sys_mount+0x2da/0x3c0
[ 249.453302][ T6479] ? __x64_sys_mount+0xc0/0xc0
[ 249.458107][ T6479] ? lockdep_hardirqs_on+0x98/0x150
[ 249.463355][ T6479] ? __x64_sys_mount+0x20/0xc0
[ 249.468169][ T6479] do_syscall_64+0x55/0xb0
[ 249.472639][ T6479] ? clear_bhb_loop+0x40/0x90
[ 249.477371][ T6479] ? clear_bhb_loop+0x40/0x90
[ 249.482176][ T6479] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 249.488116][ T6479] RIP: 0033:0x7f0ceb990eea
[ 249.492578][ T6479] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 249.512268][ T6479] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 249.520741][ T6479] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 249.528775][ T6479] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 249.536793][ T6479] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 249.544813][ T6479] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 249.552822][ T6479] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 249.560848][ T6479]
[ 249.572281][ T6479] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 249.586469][ T6479] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 250.014269][ T6482] loop1: detected capacity change from 0 to 32768
[ 250.033627][ T6482] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 250.041108][ T6482] CPU: 1 PID: 6482 Comm: syz.1.188 Not tainted syzkaller #0
[ 250.048479][ T6482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 250.058606][ T6482] Call Trace:
[ 250.061934][ T6482]
[ 250.064927][ T6482] dump_stack_lvl+0x16c/0x230
[ 250.069702][ T6482] ? show_regs_print_info+0x20/0x20
[ 250.075018][ T6482] ? load_image+0x3b0/0x3b0
[ 250.079627][ T6482] sysfs_create_dir_ns+0x256/0x280
[ 250.084848][ T6482] ? sysfs_warn_dup+0xa0/0xa0
[ 250.089632][ T6482] ? do_raw_spin_unlock+0x121/0x230
[ 250.094930][ T6482] kobject_add_internal+0x6b8/0xc70
[ 250.100258][ T6482] kobject_init_and_add+0x126/0x190
[ 250.105552][ T6482] ? lockdep_softirqs_off+0x430/0x430
[ 250.111005][ T6482] ? kobject_add+0x220/0x220
[ 250.115694][ T6482] ? __init_swait_queue_head+0xa9/0x150
[ 250.121341][ T6482] gfs2_sys_fs_add+0x238/0x470
[ 250.126190][ T6482] ? gfs2_recover_set+0x250/0x250
[ 250.131384][ T6482] ? apply_workqueue_attrs+0x180/0x180
[ 250.136963][ T6482] gfs2_fill_super+0x1323/0x1f80
[ 250.142077][ T6482] ? gfs2_reconfigure+0xb10/0xb10
[ 250.147184][ T6482] ? setup_bdev_super+0x56b/0x660
[ 250.152309][ T6482] get_tree_bdev+0x3e4/0x510
[ 250.156981][ T6482] ? end_current_label_crit_section+0x170/0x170
[ 250.163301][ T6482] ? gfs2_reconfigure+0xb10/0xb10
[ 250.168417][ T6482] ? setup_bdev_super+0x660/0x660
[ 250.173534][ T6482] gfs2_get_tree+0x51/0x1e0
[ 250.178131][ T6482] vfs_get_tree+0x8c/0x280
[ 250.182624][ T6482] do_new_mount+0x24b/0xa40
[ 250.187206][ T6482] __se_sys_mount+0x2da/0x3c0
[ 250.191969][ T6482] ? __x64_sys_mount+0xc0/0xc0
[ 250.196805][ T6482] ? lockdep_hardirqs_on+0x98/0x150
[ 250.202080][ T6482] ? __x64_sys_mount+0x20/0xc0
[ 250.207007][ T6482] do_syscall_64+0x55/0xb0
[ 250.211490][ T6482] ? clear_bhb_loop+0x40/0x90
[ 250.216233][ T6482] ? clear_bhb_loop+0x40/0x90
[ 250.220995][ T6482] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 250.226982][ T6482] RIP: 0033:0x7f0ceb990eea
[ 250.231467][ T6482] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 250.251458][ T6482] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 250.259947][ T6482] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 250.268000][ T6482] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 250.276044][ T6482] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 250.284089][ T6482] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 250.292160][ T6482] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 250.300248][ T6482]
[ 250.309506][ T6482] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 250.324058][ T6482] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 250.820369][ T6485] loop1: detected capacity change from 0 to 32768
[ 250.839582][ T6485] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 250.847696][ T6485] CPU: 0 PID: 6485 Comm: syz.1.189 Not tainted syzkaller #0
[ 250.855060][ T6485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 250.865269][ T6485] Call Trace:
[ 250.868611][ T6485]
[ 250.871604][ T6485] dump_stack_lvl+0x16c/0x230
[ 250.876365][ T6485] ? show_regs_print_info+0x20/0x20
[ 250.881646][ T6485] ? load_image+0x3b0/0x3b0
[ 250.886231][ T6485] sysfs_create_dir_ns+0x256/0x280
[ 250.891424][ T6485] ? sysfs_warn_dup+0xa0/0xa0
[ 250.896177][ T6485] ? do_raw_spin_unlock+0x121/0x230
[ 250.901488][ T6485] kobject_add_internal+0x6b8/0xc70
[ 250.906775][ T6485] kobject_init_and_add+0x126/0x190
[ 250.912044][ T6485] ? lockdep_softirqs_off+0x430/0x430
[ 250.917485][ T6485] ? kobject_add+0x220/0x220
[ 250.922148][ T6485] ? __init_swait_queue_head+0xa9/0x150
[ 250.927775][ T6485] gfs2_sys_fs_add+0x238/0x470
[ 250.932619][ T6485] ? gfs2_recover_set+0x250/0x250
[ 250.937731][ T6485] ? apply_workqueue_attrs+0x180/0x180
[ 250.943270][ T6485] gfs2_fill_super+0x1323/0x1f80
[ 250.948296][ T6485] ? gfs2_reconfigure+0xb10/0xb10
[ 250.953413][ T6485] ? setup_bdev_super+0x56b/0x660
[ 250.958503][ T6485] get_tree_bdev+0x3e4/0x510
[ 250.963307][ T6485] ? end_current_label_crit_section+0x170/0x170
[ 250.969625][ T6485] ? gfs2_reconfigure+0xb10/0xb10
[ 250.974758][ T6485] ? setup_bdev_super+0x660/0x660
[ 250.979988][ T6485] gfs2_get_tree+0x51/0x1e0
[ 250.984558][ T6485] vfs_get_tree+0x8c/0x280
[ 250.989095][ T6485] do_new_mount+0x24b/0xa40
[ 250.993706][ T6485] __se_sys_mount+0x2da/0x3c0
[ 250.998417][ T6485] ? __x64_sys_mount+0xc0/0xc0
[ 251.003219][ T6485] ? lockdep_hardirqs_on+0x98/0x150
[ 251.008467][ T6485] ? __x64_sys_mount+0x20/0xc0
[ 251.013307][ T6485] do_syscall_64+0x55/0xb0
[ 251.017767][ T6485] ? clear_bhb_loop+0x40/0x90
[ 251.022494][ T6485] ? clear_bhb_loop+0x40/0x90
[ 251.027242][ T6485] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 251.033269][ T6485] RIP: 0033:0x7f0ceb990eea
[ 251.037766][ T6485] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 251.057416][ T6485] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 251.065881][ T6485] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 251.073905][ T6485] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 251.081941][ T6485] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 251.089965][ T6485] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 251.098005][ T6485] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 251.106045][ T6485]
[ 251.119312][ T6485] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 251.138184][ T6485] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 251.571064][ T6488] loop1: detected capacity change from 0 to 32768
[ 251.585869][ T6488] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 251.594145][ T6488] CPU: 0 PID: 6488 Comm: syz.1.190 Not tainted syzkaller #0
[ 251.601506][ T6488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 251.611617][ T6488] Call Trace:
[ 251.615025][ T6488]
[ 251.617994][ T6488] dump_stack_lvl+0x16c/0x230
[ 251.622725][ T6488] ? show_regs_print_info+0x20/0x20
[ 251.627964][ T6488] ? load_image+0x3b0/0x3b0
[ 251.632523][ T6488] sysfs_create_dir_ns+0x256/0x280
[ 251.637700][ T6488] ? sysfs_warn_dup+0xa0/0xa0
[ 251.642442][ T6488] ? do_raw_spin_unlock+0x121/0x230
[ 251.647709][ T6488] kobject_add_internal+0x6b8/0xc70
[ 251.652965][ T6488] kobject_init_and_add+0x126/0x190
[ 251.658216][ T6488] ? lockdep_softirqs_off+0x430/0x430
[ 251.663644][ T6488] ? kobject_add+0x220/0x220
[ 251.668303][ T6488] ? __init_swait_queue_head+0xa9/0x150
[ 251.674009][ T6488] gfs2_sys_fs_add+0x238/0x470
[ 251.678829][ T6488] ? gfs2_recover_set+0x250/0x250
[ 251.683925][ T6488] ? apply_workqueue_attrs+0x180/0x180
[ 251.689482][ T6488] gfs2_fill_super+0x1323/0x1f80
[ 251.694589][ T6488] ? gfs2_reconfigure+0xb10/0xb10
[ 251.699702][ T6488] ? setup_bdev_super+0x56b/0x660
[ 251.704951][ T6488] get_tree_bdev+0x3e4/0x510
[ 251.709626][ T6488] ? end_current_label_crit_section+0x170/0x170
[ 251.715924][ T6488] ? gfs2_reconfigure+0xb10/0xb10
[ 251.721043][ T6488] ? setup_bdev_super+0x660/0x660
[ 251.726143][ T6488] gfs2_get_tree+0x51/0x1e0
[ 251.730696][ T6488] vfs_get_tree+0x8c/0x280
[ 251.735145][ T6488] do_new_mount+0x24b/0xa40
[ 251.739710][ T6488] __se_sys_mount+0x2da/0x3c0
[ 251.744439][ T6488] ? __x64_sys_mount+0xc0/0xc0
[ 251.749254][ T6488] ? lockdep_hardirqs_on+0x98/0x150
[ 251.754493][ T6488] ? __x64_sys_mount+0x20/0xc0
[ 251.759309][ T6488] do_syscall_64+0x55/0xb0
[ 251.763761][ T6488] ? clear_bhb_loop+0x40/0x90
[ 251.768500][ T6488] ? clear_bhb_loop+0x40/0x90
[ 251.773237][ T6488] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 251.779170][ T6488] RIP: 0033:0x7f0ceb990eea
[ 251.783620][ T6488] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 251.803263][ T6488] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 251.811716][ T6488] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 251.819722][ T6488] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 251.827740][ T6488] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 251.835753][ T6488] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 251.843777][ T6488] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 251.851812][ T6488]
[ 251.856087][ T6488] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 251.876892][ T6488] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 252.306144][ T6491] loop1: detected capacity change from 0 to 32768
[ 252.318404][ T6491] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 252.326406][ T6491] CPU: 1 PID: 6491 Comm: syz.1.191 Not tainted syzkaller #0
[ 252.333769][ T6491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 252.343975][ T6491] Call Trace:
[ 252.347300][ T6491]
[ 252.350274][ T6491] dump_stack_lvl+0x16c/0x230
[ 252.355025][ T6491] ? show_regs_print_info+0x20/0x20
[ 252.360285][ T6491] ? load_image+0x3b0/0x3b0
[ 252.364864][ T6491] sysfs_create_dir_ns+0x256/0x280
[ 252.370043][ T6491] ? sysfs_warn_dup+0xa0/0xa0
[ 252.374851][ T6491] ? do_raw_spin_unlock+0x121/0x230
[ 252.380113][ T6491] kobject_add_internal+0x6b8/0xc70
[ 252.385383][ T6491] kobject_init_and_add+0x126/0x190
[ 252.390644][ T6491] ? lockdep_softirqs_off+0x430/0x430
[ 252.396075][ T6491] ? kobject_add+0x220/0x220
[ 252.400729][ T6491] ? __init_swait_queue_head+0xa9/0x150
[ 252.406336][ T6491] gfs2_sys_fs_add+0x238/0x470
[ 252.411181][ T6491] ? gfs2_recover_set+0x250/0x250
[ 252.416298][ T6491] ? apply_workqueue_attrs+0x180/0x180
[ 252.421851][ T6491] gfs2_fill_super+0x1323/0x1f80
[ 252.426885][ T6491] ? gfs2_reconfigure+0xb10/0xb10
[ 252.432069][ T6491] ? setup_bdev_super+0x56b/0x660
[ 252.437134][ T6491] get_tree_bdev+0x3e4/0x510
[ 252.441771][ T6491] ? end_current_label_crit_section+0x170/0x170
[ 252.448068][ T6491] ? gfs2_reconfigure+0xb10/0xb10
[ 252.453144][ T6491] ? setup_bdev_super+0x660/0x660
[ 252.458220][ T6491] gfs2_get_tree+0x51/0x1e0
[ 252.462770][ T6491] vfs_get_tree+0x8c/0x280
[ 252.467233][ T6491] do_new_mount+0x24b/0xa40
[ 252.471779][ T6491] __se_sys_mount+0x2da/0x3c0
[ 252.476505][ T6491] ? __x64_sys_mount+0xc0/0xc0
[ 252.481310][ T6491] ? lockdep_hardirqs_on+0x98/0x150
[ 252.486547][ T6491] ? __x64_sys_mount+0x20/0xc0
[ 252.491404][ T6491] do_syscall_64+0x55/0xb0
[ 252.495856][ T6491] ? clear_bhb_loop+0x40/0x90
[ 252.500579][ T6491] ? clear_bhb_loop+0x40/0x90
[ 252.505301][ T6491] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 252.511322][ T6491] RIP: 0033:0x7f0ceb990eea
[ 252.515775][ T6491] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 252.535546][ T6491] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 252.544033][ T6491] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 252.552079][ T6491] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 252.560107][ T6491] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 252.568131][ T6491] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 252.576159][ T6491] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 252.584186][ T6491]
[ 252.592306][ T6491] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 252.608679][ T6491] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 253.033913][ T6494] loop1: detected capacity change from 0 to 32768
[ 253.048609][ T6494] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 253.061370][ T6494] CPU: 0 PID: 6494 Comm: syz.1.192 Not tainted syzkaller #0
[ 253.068849][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 253.079056][ T6494] Call Trace:
[ 253.082395][ T6494]
[ 253.085386][ T6494] dump_stack_lvl+0x16c/0x230
[ 253.090139][ T6494] ? show_regs_print_info+0x20/0x20
[ 253.095411][ T6494] ? load_image+0x3b0/0x3b0
[ 253.100005][ T6494] sysfs_create_dir_ns+0x256/0x280
[ 253.105196][ T6494] ? sysfs_warn_dup+0xa0/0xa0
[ 253.109950][ T6494] ? do_raw_spin_unlock+0x121/0x230
[ 253.115232][ T6494] kobject_add_internal+0x6b8/0xc70
[ 253.120623][ T6494] kobject_init_and_add+0x126/0x190
[ 253.125933][ T6494] ? lockdep_softirqs_off+0x430/0x430
[ 253.131384][ T6494] ? kobject_add+0x220/0x220
[ 253.136132][ T6494] ? __init_swait_queue_head+0xa9/0x150
[ 253.141749][ T6494] gfs2_sys_fs_add+0x238/0x470
[ 253.146574][ T6494] ? gfs2_recover_set+0x250/0x250
[ 253.151666][ T6494] ? apply_workqueue_attrs+0x180/0x180
[ 253.157201][ T6494] gfs2_fill_super+0x1323/0x1f80
[ 253.162307][ T6494] ? gfs2_reconfigure+0xb10/0xb10
[ 253.167402][ T6494] ? setup_bdev_super+0x56b/0x660
[ 253.172477][ T6494] get_tree_bdev+0x3e4/0x510
[ 253.177138][ T6494] ? end_current_label_crit_section+0x170/0x170
[ 253.183450][ T6494] ? gfs2_reconfigure+0xb10/0xb10
[ 253.188538][ T6494] ? setup_bdev_super+0x660/0x660
[ 253.193635][ T6494] gfs2_get_tree+0x51/0x1e0
[ 253.198210][ T6494] vfs_get_tree+0x8c/0x280
[ 253.202683][ T6494] do_new_mount+0x24b/0xa40
[ 253.207270][ T6494] __se_sys_mount+0x2da/0x3c0
[ 253.212007][ T6494] ? __x64_sys_mount+0xc0/0xc0
[ 253.216850][ T6494] ? lockdep_hardirqs_on+0x98/0x150
[ 253.222104][ T6494] ? __x64_sys_mount+0x20/0xc0
[ 253.226921][ T6494] do_syscall_64+0x55/0xb0
[ 253.231386][ T6494] ? clear_bhb_loop+0x40/0x90
[ 253.236114][ T6494] ? clear_bhb_loop+0x40/0x90
[ 253.240851][ T6494] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 253.246815][ T6494] RIP: 0033:0x7f0ceb990eea
[ 253.251383][ T6494] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 253.271057][ T6494] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 253.279539][ T6494] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 253.287568][ T6494] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 253.295603][ T6494] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 253.303634][ T6494] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 253.311681][ T6494] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 253.319834][ T6494]
[ 253.324258][ T6494] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 253.338672][ T6494] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 253.749944][ T6497] loop1: detected capacity change from 0 to 32768
[ 253.769842][ T6497] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 253.777690][ T6497] CPU: 1 PID: 6497 Comm: syz.1.193 Not tainted syzkaller #0
[ 253.785049][ T6497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 253.795179][ T6497] Call Trace:
[ 253.798515][ T6497]
[ 253.801507][ T6497] dump_stack_lvl+0x16c/0x230
[ 253.806272][ T6497] ? show_regs_print_info+0x20/0x20
[ 253.811554][ T6497] ? load_image+0x3b0/0x3b0
[ 253.816143][ T6497] sysfs_create_dir_ns+0x256/0x280
[ 253.821326][ T6497] ? sysfs_warn_dup+0xa0/0xa0
[ 253.826082][ T6497] ? do_raw_spin_unlock+0x121/0x230
[ 253.831353][ T6497] kobject_add_internal+0x6b8/0xc70
[ 253.836655][ T6497] kobject_init_and_add+0x126/0x190
[ 253.841928][ T6497] ? lockdep_softirqs_off+0x430/0x430
[ 253.847370][ T6497] ? kobject_add+0x220/0x220
[ 253.852031][ T6497] ? __init_swait_queue_head+0xa9/0x150
[ 253.857667][ T6497] gfs2_sys_fs_add+0x238/0x470
[ 253.862510][ T6497] ? gfs2_recover_set+0x250/0x250
[ 253.867602][ T6497] ? apply_workqueue_attrs+0x180/0x180
[ 253.873143][ T6497] gfs2_fill_super+0x1323/0x1f80
[ 253.878173][ T6497] ? gfs2_reconfigure+0xb10/0xb10
[ 253.883274][ T6497] ? setup_bdev_super+0x56b/0x660
[ 253.888355][ T6497] get_tree_bdev+0x3e4/0x510
[ 253.892999][ T6497] ? end_current_label_crit_section+0x170/0x170
[ 253.899314][ T6497] ? gfs2_reconfigure+0xb10/0xb10
[ 253.904403][ T6497] ? setup_bdev_super+0x660/0x660
[ 253.909490][ T6497] gfs2_get_tree+0x51/0x1e0
[ 253.914073][ T6497] vfs_get_tree+0x8c/0x280
[ 253.918544][ T6497] do_new_mount+0x24b/0xa40
[ 253.923115][ T6497] __se_sys_mount+0x2da/0x3c0
[ 253.927852][ T6497] ? __x64_sys_mount+0xc0/0xc0
[ 253.932698][ T6497] ? lockdep_hardirqs_on+0x98/0x150
[ 253.937952][ T6497] ? __x64_sys_mount+0x20/0xc0
[ 253.942777][ T6497] do_syscall_64+0x55/0xb0
[ 253.947256][ T6497] ? clear_bhb_loop+0x40/0x90
[ 253.952035][ T6497] ? clear_bhb_loop+0x40/0x90
[ 253.956783][ T6497] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 253.962754][ T6497] RIP: 0033:0x7f0ceb990eea
[ 253.967232][ T6497] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 253.986994][ T6497] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 253.995486][ T6497] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 254.003525][ T6497] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 254.011557][ T6497] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 254.019588][ T6497] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 254.027627][ T6497] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 254.035691][ T6497]
[ 254.048570][ T6497] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 254.065043][ T6497] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/31 16:10:40 executed programs: 179
[ 254.480288][ T6500] loop1: detected capacity change from 0 to 32768
[ 254.489450][ T6500] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 254.497714][ T6500] CPU: 0 PID: 6500 Comm: syz.1.194 Not tainted syzkaller #0
[ 254.505067][ T6500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 254.515154][ T6500] Call Trace:
[ 254.518578][ T6500]
[ 254.521543][ T6500] dump_stack_lvl+0x16c/0x230
[ 254.526271][ T6500] ? show_regs_print_info+0x20/0x20
[ 254.531531][ T6500] ? load_image+0x3b0/0x3b0
[ 254.536118][ T6500] sysfs_create_dir_ns+0x256/0x280
[ 254.541287][ T6500] ? sysfs_warn_dup+0xa0/0xa0
[ 254.546020][ T6500] ? do_raw_spin_unlock+0x121/0x230
[ 254.551304][ T6500] kobject_add_internal+0x6b8/0xc70
[ 254.556578][ T6500] kobject_init_and_add+0x126/0x190
[ 254.561832][ T6500] ? lockdep_softirqs_off+0x430/0x430
[ 254.567253][ T6500] ? kobject_add+0x220/0x220
[ 254.571920][ T6500] ? __init_swait_queue_head+0xa9/0x150
[ 254.577512][ T6500] gfs2_sys_fs_add+0x238/0x470
[ 254.582345][ T6500] ? gfs2_recover_set+0x250/0x250
[ 254.587412][ T6500] ? apply_workqueue_attrs+0x180/0x180
[ 254.592931][ T6500] gfs2_fill_super+0x1323/0x1f80
[ 254.597936][ T6500] ? gfs2_reconfigure+0xb10/0xb10
[ 254.603012][ T6500] ? setup_bdev_super+0x56b/0x660
[ 254.608084][ T6500] get_tree_bdev+0x3e4/0x510
[ 254.612707][ T6500] ? end_current_label_crit_section+0x170/0x170
[ 254.618985][ T6500] ? gfs2_reconfigure+0xb10/0xb10
[ 254.624060][ T6500] ? setup_bdev_super+0x660/0x660
[ 254.629147][ T6500] gfs2_get_tree+0x51/0x1e0
[ 254.633728][ T6500] vfs_get_tree+0x8c/0x280
[ 254.638198][ T6500] do_new_mount+0x24b/0xa40
[ 254.642753][ T6500] __se_sys_mount+0x2da/0x3c0
[ 254.647484][ T6500] ? __x64_sys_mount+0xc0/0xc0
[ 254.652279][ T6500] ? lockdep_hardirqs_on+0x98/0x150
[ 254.657513][ T6500] ? __x64_sys_mount+0x20/0xc0
[ 254.662332][ T6500] do_syscall_64+0x55/0xb0
[ 254.666786][ T6500] ? clear_bhb_loop+0x40/0x90
[ 254.671499][ T6500] ? clear_bhb_loop+0x40/0x90
[ 254.676256][ T6500] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 254.682205][ T6500] RIP: 0033:0x7f0ceb990eea
[ 254.686661][ T6500] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 254.706311][ T6500] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 254.714760][ T6500] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 254.722772][ T6500] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 254.730791][ T6500] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 254.738814][ T6500] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 254.746826][ T6500] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 254.754853][ T6500]
[ 254.759367][ T6500] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 254.781998][ T6500] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 255.205798][ T6503] loop1: detected capacity change from 0 to 32768
[ 255.216151][ T6503] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 255.223691][ T6503] CPU: 0 PID: 6503 Comm: syz.1.195 Not tainted syzkaller #0
[ 255.231070][ T6503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 255.241168][ T6503] Call Trace:
[ 255.244486][ T6503]
[ 255.247458][ T6503] dump_stack_lvl+0x16c/0x230
[ 255.252191][ T6503] ? show_regs_print_info+0x20/0x20
[ 255.257439][ T6503] ? load_image+0x3b0/0x3b0
[ 255.262016][ T6503] sysfs_create_dir_ns+0x256/0x280
[ 255.267183][ T6503] ? sysfs_warn_dup+0xa0/0xa0
[ 255.271942][ T6503] ? do_raw_spin_unlock+0x121/0x230
[ 255.277230][ T6503] kobject_add_internal+0x6b8/0xc70
[ 255.282480][ T6503] kobject_init_and_add+0x126/0x190
[ 255.287718][ T6503] ? lockdep_softirqs_off+0x430/0x430
[ 255.293127][ T6503] ? kobject_add+0x220/0x220
[ 255.297841][ T6503] ? __init_swait_queue_head+0xa9/0x150
[ 255.303443][ T6503] gfs2_sys_fs_add+0x238/0x470
[ 255.308328][ T6503] ? gfs2_recover_set+0x250/0x250
[ 255.313394][ T6503] ? apply_workqueue_attrs+0x180/0x180
[ 255.318894][ T6503] gfs2_fill_super+0x1323/0x1f80
[ 255.323883][ T6503] ? gfs2_reconfigure+0xb10/0xb10
[ 255.328944][ T6503] ? setup_bdev_super+0x56b/0x660
[ 255.333996][ T6503] get_tree_bdev+0x3e4/0x510
[ 255.338610][ T6503] ? end_current_label_crit_section+0x170/0x170
[ 255.344944][ T6503] ? gfs2_reconfigure+0xb10/0xb10
[ 255.350031][ T6503] ? setup_bdev_super+0x660/0x660
[ 255.355124][ T6503] gfs2_get_tree+0x51/0x1e0
[ 255.359738][ T6503] vfs_get_tree+0x8c/0x280
[ 255.364213][ T6503] do_new_mount+0x24b/0xa40
[ 255.368773][ T6503] __se_sys_mount+0x2da/0x3c0
[ 255.373482][ T6503] ? __x64_sys_mount+0xc0/0xc0
[ 255.378283][ T6503] ? lockdep_hardirqs_on+0x98/0x150
[ 255.383531][ T6503] ? __x64_sys_mount+0x20/0xc0
[ 255.388331][ T6503] do_syscall_64+0x55/0xb0
[ 255.392776][ T6503] ? clear_bhb_loop+0x40/0x90
[ 255.397503][ T6503] ? clear_bhb_loop+0x40/0x90
[ 255.402223][ T6503] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 255.408154][ T6503] RIP: 0033:0x7f0ceb990eea
[ 255.412603][ T6503] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 255.432256][ T6503] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 255.440717][ T6503] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 255.448733][ T6503] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 255.457096][ T6503] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 255.465102][ T6503] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 255.473109][ T6503] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 255.481142][ T6503]
[ 255.492624][ T6503] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 255.506764][ T6503] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 255.930289][ T6506] loop1: detected capacity change from 0 to 32768
[ 255.942284][ T6506] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 255.957734][ T6506] CPU: 1 PID: 6506 Comm: syz.1.196 Not tainted syzkaller #0
[ 255.965115][ T6506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 255.975237][ T6506] Call Trace:
[ 255.978570][ T6506]
[ 255.981555][ T6506] dump_stack_lvl+0x16c/0x230
[ 255.986306][ T6506] ? show_regs_print_info+0x20/0x20
[ 255.991615][ T6506] ? load_image+0x3b0/0x3b0
[ 255.996196][ T6506] sysfs_create_dir_ns+0x256/0x280
[ 256.001374][ T6506] ? sysfs_warn_dup+0xa0/0xa0
[ 256.006131][ T6506] ? do_raw_spin_unlock+0x121/0x230
[ 256.011096][ T29] INFO: task syz-executor:5883 blocked for more than 143 seconds.
[ 256.011377][ T6506] kobject_add_internal+0x6b8/0xc70
[ 256.019608][ T29] Not tainted syzkaller #0
[ 256.024626][ T6506] kobject_init_and_add+0x126/0x190
[ 256.024661][ T6506] ? lockdep_softirqs_off+0x430/0x430
[ 256.024689][ T6506] ? kobject_add+0x220/0x220
[ 256.034376][ T1284] ieee802154 phy0 wpan0: encryption failed: -22
[ 256.034892][ T6506] ? __init_swait_queue_head+0xa9/0x150
[ 256.040469][ T1284] ieee802154 phy1 wpan1: encryption failed: -22
[ 256.044993][ T6506] gfs2_sys_fs_add+0x238/0x470
[ 256.045027][ T6506] ? gfs2_recover_set+0x250/0x250
[ 256.045061][ T6506] ? apply_workqueue_attrs+0x180/0x180
[ 256.072744][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 256.072966][ T6506] gfs2_fill_super+0x1323/0x1f80
[ 256.082221][ T29] task:syz-executor state:D
[ 256.087138][ T6506] ? gfs2_reconfigure+0xb10/0xb10
[ 256.087186][ T6506] ? setup_bdev_super+0x56b/0x660
[ 256.087211][ T6506] get_tree_bdev+0x3e4/0x510
[ 256.087231][ T6506] ? end_current_label_crit_section+0x170/0x170
[ 256.087260][ T6506] ? gfs2_reconfigure+0xb10/0xb10
[ 256.123161][ T6506] ? setup_bdev_super+0x660/0x660
[ 256.128256][ T6506] gfs2_get_tree+0x51/0x1e0
[ 256.132850][ T6506] vfs_get_tree+0x8c/0x280
[ 256.135300][ T29] stack:21736 pid:5883 ppid:1 flags:0x00004004
[ 256.137310][ T6506] do_new_mount+0x24b/0xa40
[ 256.148660][ T6506] __se_sys_mount+0x2da/0x3c0
[ 256.153397][ T6506] ? __x64_sys_mount+0xc0/0xc0
[ 256.158317][ T6506] ? lockdep_hardirqs_on+0x98/0x150
[ 256.163577][ T6506] ? __x64_sys_mount+0x20/0xc0
[ 256.168408][ T6506] do_syscall_64+0x55/0xb0
[ 256.172100][ T29] Call Trace:
[ 256.172855][ T6506] ? clear_bhb_loop+0x40/0x90
[ 256.172885][ T6506] ? clear_bhb_loop+0x40/0x90
[ 256.172913][ T6506] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 256.172937][ T6506] RIP: 0033:0x7f0ceb990eea
[ 256.172957][ T6506] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 256.172976][ T6506] RSP: 002b:00007fff25b4d1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 256.176302][ T29]
[ 256.180985][ T6506] RAX: ffffffffffffffda RBX: 00007fff25b4d260 RCX: 00007f0ceb990eea
[ 256.208375][ T29] __schedule+0x14d2/0x44d0
[ 256.215720][ T6506] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fff25b4d220
[ 256.215741][ T6506] RBP: 0000200000000000 R08: 00007fff25b4d260 R09: 0000000000208c1b
[ 256.215756][ T6506] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 256.215770][ T6506] R13: 00007fff25b4d220 R14: 0000000000012754 R15: 0000200000012900
[ 256.215800][ T6506]
[ 256.255364][ T6506] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 256.278319][ T29] ? asan.module_dtor+0x20/0x20
[ 256.299889][ T29] ? lockdep_hardirqs_on_prepare+0x400/0x760
[ 256.306283][ T29] ? lock_chain_count+0x20/0x20
[ 256.311208][ T29] ? lockdep_hardirqs_on+0x98/0x150
[ 256.317158][ T29] ? _raw_spin_unlock_irqrestore+0xae/0x110
[ 256.323695][ T29] ? _raw_spin_unlock+0x40/0x40
[ 256.328652][ T29] schedule+0xbd/0x170
[ 256.333001][ T6506] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 256.340440][ T29] bit_wait+0x11/0xd0
[ 256.361854][ T29] __wait_on_bit+0xac/0x2d0
[ 256.367671][ T29] ? out_of_line_wait_on_bit_lock+0x170/0x170
[ 256.376356][ T29] ? out_of_line_wait_on_bit_lock+0x170/0x170
[ 256.392835][ T29] out_of_line_wait_on_bit+0x123/0x170
[ 256.398409][ T29] ? __wait_on_bit+0x2d0/0x2d0
[ 256.403818][ T29] ? bit_waitqueue+0x30/0x30
[ 256.408488][ T29] gfs2_glock_wait+0xbd/0x2a0
[ 256.416964][ T29] __gfs2_lookup+0x118/0x270
[ 256.421655][ T29] ? lockdep_softirqs_off+0x430/0x430
[ 256.427633][ T29] ? gfs2_atomic_open+0x220/0x220
[ 256.433421][ T29] ? __lookup_slow+0x281/0x3b0
[ 256.438367][ T29] ? __init_waitqueue_head+0xa9/0x150
[ 256.444281][ T29] __lookup_slow+0x281/0x3b0
[ 256.449090][ T29] ? lookup_one_len+0x2c0/0x2c0
[ 256.454531][ T29] ? down_read+0x1ac/0x2e0
[ 256.459036][ T29] lookup_slow+0x53/0x70
[ 256.463974][ T29] walk_component+0x2be/0x3f0
[ 256.468754][ T29] ? path_lookupat+0x15c/0x440
[ 256.475095][ T29] path_lookupat+0x169/0x440
[ 256.480552][ T29] filename_lookup+0x1f4/0x510
[ 256.486915][ T29] ? __virt_addr_valid+0x18c/0x540
[ 256.492107][ T29] ? hashlen_string+0x110/0x110
[ 256.497616][ T29] ? strncpy_from_user+0x197/0x2e0
[ 256.505301][ T29] ? getname_flags+0x20a/0x500
[ 256.510264][ T29] user_path_at_empty+0x42/0x60
[ 256.540504][ T29] __x64_sys_umount+0xf5/0x170
[ 256.555289][ T29] ? path_umount+0xef0/0xef0
[ 256.565113][ T29] ? lockdep_hardirqs_on+0x98/0x150
[ 256.570410][ T29] do_syscall_64+0x55/0xb0
[ 256.592611][ T29] ? clear_bhb_loop+0x40/0x90
[ 256.597419][ T29] ? clear_bhb_loop+0x40/0x90
[ 256.602154][ T29] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 256.622563][ T29] RIP: 0033:0x7eff1f390a77
[ 256.627074][ T29] RSP: 002b:00007ffdd53f6378 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 256.642567][ T29] RAX: ffffffffffffffda RBX: 00007eff1f413d7d RCX: 00007eff1f390a77
[ 256.669443][ T29] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdd53f6430
[ 256.686129][ T29] RBP: 00007ffdd53f6430 R08: 0000000000000000 R09: 0000000000000000
[ 256.699843][ T29] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffdd53f7520
[ 256.709446][ T29] R13: 00007eff1f413d7d R14: 00005555858f14a8 R15: 00007ffdd53f96e0
[ 256.717579][ T29]
[ 256.720857][ T29]
[ 256.720857][ T29] Showing all locks held in the system:
[ 256.729561][ T29] 1 lock held by khungtaskd/29:
[ 256.741959][ T29] #0: ffffffff8cd2ff20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x290
[ 256.752110][ T29] 2 locks held by klogd/5126:
[ 256.756938][ T29] #0: ffff8880b8e3c018 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140
[ 256.768219][ T29] #1: ffff8880b8e289c0 (psi_seq){-.-.}-{0:0}, at: __schedule+0x20ee/0x44d0
[ 256.777161][ T29] 2 locks held by getty/5532:
[ 256.781969][ T29] #0: ffff88814dbe80a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 256.793099][ T29] #1: ffffc9000326e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x425/0x1380
[ 256.803605][ T29] 1 lock held by syz-executor/5883:
[ 256.808859][ T29] #0: ffff88805cc04490 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x46/0x70
[ 256.820052][ T29] 1 lock held by syz.1.197/6509:
[ 256.825200][ T29]
[ 256.827581][ T29] =============================================
[ 256.827581][ T29]
[ 256.836261][ T29] NMI backtrace for cpu 1
[ 256.840648][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[ 256.847904][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 256.858029][ T29] Call Trace:
[ 256.861355][ T29]
[ 256.864441][ T29] dump_stack_lvl+0x16c/0x230
[ 256.869191][ T29] ? preempt_count_add+0x91/0x1a0
[ 256.874294][ T29] ? show_regs_print_info+0x20/0x20
[ 256.879554][ T29] ? load_image+0x3b0/0x3b0
[ 256.884118][ T29] nmi_cpu_backtrace+0x39b/0x3d0
[ 256.889099][ T29] ? nmi_trigger_cpumask_backtrace+0x2f0/0x2f0
[ 256.895287][ T29] ? _printk+0xd0/0x110
[ 256.899476][ T29] ? load_image+0x3b0/0x3b0
[ 256.904017][ T29] ? load_image+0x3b0/0x3b0
[ 256.908566][ T29] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 256.914764][ T29] nmi_trigger_cpumask_backtrace+0x17a/0x2f0
[ 256.920799][ T29] watchdog+0xf41/0xf80
[ 256.924996][ T29] ? watchdog+0x1e1/0xf80
[ 256.929363][ T29] kthread+0x2fa/0x390
[ 256.933503][ T29] ? hungtask_pm_notify+0x90/0x90
[ 256.938570][ T29] ? kthread_blkcg+0xd0/0xd0
[ 256.943228][ T29] ret_from_fork+0x48/0x80
[ 256.947683][ T29] ? kthread_blkcg+0xd0/0xd0
[ 256.952318][ T29] ret_from_fork_asm+0x11/0x20
[ 256.957138][ T29]
[ 256.960815][ T29] Sending NMI from CPU 1 to CPUs 0:
[ 256.966224][ C0] NMI backtrace for cpu 0
[ 256.966236][ C0] CPU: 0 PID: 6509 Comm: syz.1.197 Not tainted syzkaller #0
[ 256.966253][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 256.966264][ C0] RIP: 0010:check_preemption_disabled+0x1/0x110
[ 256.966293][ C0] Code: e9 6e ff ff ff cc cc cc cc f3 0f 1e fa 48 c7 c7 20 6f fc 8a 48 c7 c6 60 6f fc 8a eb 0c 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 <41> 57 41 56 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24
[ 256.966309][ C0] RSP: 0000:ffffc900052cf830 EFLAGS: 00000046
[ 256.966324][ C0] RAX: 0000000000000246 RBX: ffff8880235b8adc RCX: 2ae2119c39a53200
[ 256.966337][ C0] RDX: 0000000000000000 RSI: ffffffff8aaac9c0 RDI: ffffffff8afc6f80
[ 256.966350][ C0] RBP: ffffc900052cf958 R08: ffffffff8e4a212f R09: 1ffffffff1c94425
[ 256.966363][ C0] R10: dffffc0000000000 R11: fffffbfff1c94426 R12: ffffffff81d12d18
[ 256.966376][ C0] R13: dffffc0000000000 R14: ffff8880235b8000 R15: 1ffff92000a59f14
[ 256.966390][ C0] FS: 00005555901f9500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
[ 256.966406][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 256.966418][ C0] CR2: 00007f0ce34fe000 CR3: 000000001eb32000 CR4: 00000000003506f0
[ 256.966435][ C0] Call Trace:
[ 256.966441][ C0]
[ 256.966448][ C0] lock_release+0x155/0x8b0
[ 256.966468][ C0] ? __rmqueue_pcplist+0xe3d/0x1160
[ 256.966499][ C0] ? __lock_acquire+0x7c80/0x7c80
[ 256.966524][ C0] _raw_spin_unlock+0x16/0x40
[ 256.966544][ C0] get_page_from_freelist+0x6a8/0x19f0
[ 256.966580][ C0] ? __next_zones_zonelist+0x9d/0x130
[ 256.966605][ C0] ? prepare_alloc_pages+0x366/0x5f0
[ 256.966640][ C0] __alloc_pages+0x1e3/0x460
[ 256.966667][ C0] ? zone_statistics+0x170/0x170
[ 256.966696][ C0] ? handle_mm_fault+0xd1/0x4920
[ 256.966726][ C0] __folio_alloc+0x10/0x20
[ 256.966750][ C0] vma_alloc_folio+0x47a/0x8f0
[ 256.966781][ C0] handle_mm_fault+0x1a38/0x4920
[ 256.966808][ C0] ? handle_mm_fault+0xd1/0x4920
[ 256.966840][ C0] ? lock_vma_under_rcu+0x526/0x650
[ 256.966866][ C0] ? numa_migrate_prep+0x350/0x350
[ 256.966900][ C0] ? do_user_addr_fault+0x1c3/0x12e0
[ 256.966921][ C0] do_user_addr_fault+0xad0/0x12e0
[ 256.966944][ C0] ? rcu_is_watching+0x15/0xb0
[ 256.966968][ C0] exc_page_fault+0x67/0x110
[ 256.967005][ C0] asm_exc_page_fault+0x26/0x30
[ 256.967025][ C0] RIP: 0033:0x7f0ceb8509f0
[ 256.967038][ C0] Code: 39 4f 08 72 4c 8d 4d ff 85 ed 74 33 66 0f 1f 44 00 00 48 39 f0 72 1b 4d 8b 07 49 89 c1 49 29 f1 47 0f b6 0c 08 45 84 c9 74 08 <45> 88 0c 00 49 8b 47 10 48 83 c0 01 49 89 47 10 83 e9 01 73 d3 41
[ 256.967053][ C0] RSP: 002b:00007fff25b4c810 EFLAGS: 00010202
[ 256.967066][ C0] RAX: 00000000008ff000 RBX: 00007fff25b4c8b0 RCX: 0000000000000101
[ 256.967077][ C0] RDX: 00000000000003ff RSI: 0000000000001000 RDI: 00007fff25b4c950
[ 256.967089][ C0] RBP: 0000000000000102 R08: 00007f0ce2bff000 R09: 0000000000000001
[ 256.967100][ C0] R10: 0000200000000142 R11: 0000000000012752 R12: 0000000000000c01
[ 256.967111][ C0] R13: 00007f0ceba2fc40 R14: 0000000000000017 R15: 00007fff25b4c950
[ 256.967131][ C0]
[ 256.967647][ T29] Kernel panic - not syncing: hung_task: blocked tasks
[ 257.275948][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[ 257.283183][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 257.293308][ T29] Call Trace:
[ 257.296618][ T29]
[ 257.299596][ T29] dump_stack_lvl+0x16c/0x230
[ 257.304342][ T29] ? show_regs_print_info+0x20/0x20
[ 257.309614][ T29] ? load_image+0x3b0/0x3b0
[ 257.314305][ T29] panic+0x2c0/0x710
[ 257.318261][ T29] ? schedule_preempt_disabled+0x20/0x20
[ 257.323968][ T29] ? bpf_jit_dump+0xd0/0xd0
[ 257.328532][ T29] ? __irq_work_queue_local+0x13a/0x3b0
[ 257.334130][ T29] ? nmi_trigger_cpumask_backtrace+0x2a4/0x2f0
[ 257.340318][ T29] watchdog+0xf80/0xf80
[ 257.344553][ T29] ? watchdog+0x1e1/0xf80
[ 257.348925][ T29] kthread+0x2fa/0x390
[ 257.353017][ T29] ? hungtask_pm_notify+0x90/0x90
[ 257.358110][ T29] ? kthread_blkcg+0xd0/0xd0
[ 257.362761][ T29] ret_from_fork+0x48/0x80
[ 257.367218][ T29] ? kthread_blkcg+0xd0/0xd0
[ 257.371845][ T29] ret_from_fork_asm+0x11/0x20
[ 257.376749][ T29]
[ 257.380376][ T29] Kernel Offset: disabled
[ 257.384722][ T29] Rebooting in 86400 seconds..