ection+0x170/0x170
[  310.961598][ T6435]  ? gfs2_reconfigure+0xb10/0xb10
[  310.966682][ T6435]  ? setup_bdev_super+0x660/0x660
[  310.971744][ T6435]  gfs2_get_tree+0x51/0x1e0
[  310.976292][ T6435]  vfs_get_tree+0x8c/0x280
[  310.980750][ T6435]  do_new_mount+0x24b/0xa40
[  310.985299][ T6435]  __se_sys_mount+0x2da/0x3c0
[  310.990034][ T6435]  ? __x64_sys_mount+0xc0/0xc0
[  310.994830][ T6435]  ? lockdep_hardirqs_on+0x98/0x150
[  311.000070][ T6435]  ? __x64_sys_mount+0x20/0xc0
[  311.004869][ T6435]  do_syscall_64+0x55/0xb0
[  311.009325][ T6435]  ? clear_bhb_loop+0x40/0x90
[  311.014042][ T6435]  ? clear_bhb_loop+0x40/0x90
[  311.018752][ T6435]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  311.024679][ T6435] RIP: 0033:0x7f8155d90eea
[  311.029116][ T6435] 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
[  311.048752][ T6435] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  311.057200][ T6435] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  311.065202][ T6435] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  311.073204][ T6435] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  311.081205][ T6435] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  311.089211][ T6435] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  311.097229][ T6435]  </TASK>
[  311.101623][ T6435] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  311.115680][ T6435] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  311.472984][ T6438] loop1: detected capacity change from 0 to 32768
[  311.483386][ T6438] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  311.490798][ T6438] CPU: 0 PID: 6438 Comm: syz.1.169 Not tainted syzkaller #0
[  311.498109][ T6438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  311.508194][ T6438] Call Trace:
[  311.511505][ T6438]  <TASK>
[  311.514468][ T6438]  dump_stack_lvl+0x16c/0x230
[  311.519210][ T6438]  ? show_regs_print_info+0x20/0x20
[  311.524455][ T6438]  ? load_image+0x3b0/0x3b0
[  311.529030][ T6438]  sysfs_create_dir_ns+0x256/0x280
[  311.534204][ T6438]  ? sysfs_warn_dup+0xa0/0xa0
[  311.538934][ T6438]  ? do_raw_spin_unlock+0x121/0x230
[  311.544216][ T6438]  kobject_add_internal+0x6b8/0xc70
[  311.549465][ T6438]  kobject_init_and_add+0x126/0x190
[  311.554701][ T6438]  ? lockdep_softirqs_off+0x430/0x430
[  311.560117][ T6438]  ? kobject_add+0x220/0x220
[  311.564758][ T6438]  ? __init_swait_queue_head+0xa9/0x150
[  311.570349][ T6438]  gfs2_sys_fs_add+0x238/0x470
[  311.575153][ T6438]  ? gfs2_recover_set+0x250/0x250
[  311.580221][ T6438]  ? apply_workqueue_attrs+0x180/0x180
[  311.585756][ T6438]  gfs2_fill_super+0x1323/0x1f80
[  311.590746][ T6438]  ? gfs2_reconfigure+0xb10/0xb10
[  311.595818][ T6438]  ? setup_bdev_super+0x56b/0x660
[  311.600873][ T6438]  get_tree_bdev+0x3e4/0x510
[  311.605495][ T6438]  ? end_current_label_crit_section+0x170/0x170
[  311.611806][ T6438]  ? gfs2_reconfigure+0xb10/0xb10
[  311.616868][ T6438]  ? setup_bdev_super+0x660/0x660
[  311.621936][ T6438]  gfs2_get_tree+0x51/0x1e0
[  311.626466][ T6438]  vfs_get_tree+0x8c/0x280
[  311.630918][ T6438]  do_new_mount+0x24b/0xa40
[  311.635479][ T6438]  __se_sys_mount+0x2da/0x3c0
[  311.640174][ T6438]  ? __x64_sys_mount+0xc0/0xc0
[  311.644951][ T6438]  ? lockdep_hardirqs_on+0x98/0x150
[  311.650182][ T6438]  ? __x64_sys_mount+0x20/0xc0
[  311.654964][ T6438]  do_syscall_64+0x55/0xb0
[  311.659413][ T6438]  ? clear_bhb_loop+0x40/0x90
[  311.664105][ T6438]  ? clear_bhb_loop+0x40/0x90
[  311.668798][ T6438]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  311.674715][ T6438] RIP: 0033:0x7f8155d90eea
[  311.679149][ T6438] 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
[  311.698773][ T6438] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  311.707211][ T6438] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  311.715208][ T6438] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  311.723203][ T6438] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  311.731184][ T6438] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  311.739179][ T6438] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  311.747182][ T6438]  </TASK>
[  311.763523][ T6438] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  311.777673][ T6438] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/02 11:02:10 executed programs: 155
[  312.130506][ T6441] loop1: detected capacity change from 0 to 32768
[  312.143533][ T6441] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  312.151200][ T6441] CPU: 0 PID: 6441 Comm: syz.1.170 Not tainted syzkaller #0
[  312.158525][ T6441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  312.168612][ T6441] Call Trace:
[  312.171953][ T6441]  <TASK>
[  312.174916][ T6441]  dump_stack_lvl+0x16c/0x230
[  312.179643][ T6441]  ? show_regs_print_info+0x20/0x20
[  312.184892][ T6441]  ? load_image+0x3b0/0x3b0
[  312.189441][ T6441]  sysfs_create_dir_ns+0x256/0x280
[  312.194604][ T6441]  ? sysfs_warn_dup+0xa0/0xa0
[  312.199338][ T6441]  ? do_raw_spin_unlock+0x121/0x230
[  312.204579][ T6441]  kobject_add_internal+0x6b8/0xc70
[  312.209826][ T6441]  kobject_init_and_add+0x126/0x190
[  312.215066][ T6441]  ? lockdep_softirqs_off+0x430/0x430
[  312.220484][ T6441]  ? kobject_add+0x220/0x220
[  312.225129][ T6441]  ? __init_swait_queue_head+0xa9/0x150
[  312.230722][ T6441]  gfs2_sys_fs_add+0x238/0x470
[  312.235535][ T6441]  ? gfs2_recover_set+0x250/0x250
[  312.240619][ T6441]  ? apply_workqueue_attrs+0x180/0x180
[  312.246134][ T6441]  gfs2_fill_super+0x1323/0x1f80
[  312.251127][ T6441]  ? gfs2_reconfigure+0xb10/0xb10
[  312.256200][ T6441]  ? setup_bdev_super+0x56b/0x660
[  312.261260][ T6441]  get_tree_bdev+0x3e4/0x510
[  312.265876][ T6441]  ? end_current_label_crit_section+0x170/0x170
[  312.272152][ T6441]  ? gfs2_reconfigure+0xb10/0xb10
[  312.277213][ T6441]  ? setup_bdev_super+0x660/0x660
[  312.282278][ T6441]  gfs2_get_tree+0x51/0x1e0
[  312.286826][ T6441]  vfs_get_tree+0x8c/0x280
[  312.291272][ T6441]  do_new_mount+0x24b/0xa40
[  312.295816][ T6441]  __se_sys_mount+0x2da/0x3c0
[  312.300542][ T6441]  ? __x64_sys_mount+0xc0/0xc0
[  312.305347][ T6441]  ? lockdep_hardirqs_on+0x98/0x150
[  312.310589][ T6441]  ? __x64_sys_mount+0x20/0xc0
[  312.315401][ T6441]  do_syscall_64+0x55/0xb0
[  312.319863][ T6441]  ? clear_bhb_loop+0x40/0x90
[  312.324589][ T6441]  ? clear_bhb_loop+0x40/0x90
[  312.329307][ T6441]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  312.335248][ T6441] RIP: 0033:0x7f8155d90eea
[  312.339696][ T6441] 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
[  312.359341][ T6441] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  312.367813][ T6441] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  312.375814][ T6441] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  312.383818][ T6441] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  312.391907][ T6441] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  312.399906][ T6441] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  312.407920][ T6441]  </TASK>
[  312.427617][ T6441] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  312.441780][ T6441] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  312.799781][ T6444] loop1: detected capacity change from 0 to 32768
[  312.820555][ T6444] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  312.828062][ T6444] CPU: 1 PID: 6444 Comm: syz.1.171 Not tainted syzkaller #0
[  312.835373][ T6444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  312.845459][ T6444] Call Trace:
[  312.848781][ T6444]  <TASK>
[  312.851775][ T6444]  dump_stack_lvl+0x16c/0x230
[  312.856502][ T6444]  ? show_regs_print_info+0x20/0x20
[  312.861742][ T6444]  ? load_image+0x3b0/0x3b0
[  312.866296][ T6444]  sysfs_create_dir_ns+0x256/0x280
[  312.871454][ T6444]  ? sysfs_warn_dup+0xa0/0xa0
[  312.876180][ T6444]  ? do_raw_spin_unlock+0x121/0x230
[  312.881419][ T6444]  kobject_add_internal+0x6b8/0xc70
[  312.886667][ T6444]  kobject_init_and_add+0x126/0x190
[  312.891894][ T6444]  ? lockdep_softirqs_off+0x430/0x430
[  312.897282][ T6444]  ? kobject_add+0x220/0x220
[  312.901885][ T6444]  ? __init_swait_queue_head+0xa9/0x150
[  312.907442][ T6444]  gfs2_sys_fs_add+0x238/0x470
[  312.912222][ T6444]  ? gfs2_recover_set+0x250/0x250
[  312.917266][ T6444]  ? apply_workqueue_attrs+0x180/0x180
[  312.922754][ T6444]  gfs2_fill_super+0x1323/0x1f80
[  312.927722][ T6444]  ? gfs2_reconfigure+0xb10/0xb10
[  312.932786][ T6444]  ? setup_bdev_super+0x56b/0x660
[  312.937836][ T6444]  get_tree_bdev+0x3e4/0x510
[  312.942451][ T6444]  ? end_current_label_crit_section+0x170/0x170
[  312.948717][ T6444]  ? gfs2_reconfigure+0xb10/0xb10
[  312.953760][ T6444]  ? setup_bdev_super+0x660/0x660
[  312.958800][ T6444]  gfs2_get_tree+0x51/0x1e0
[  312.963318][ T6444]  vfs_get_tree+0x8c/0x280
[  312.967751][ T6444]  do_new_mount+0x24b/0xa40
[  312.972274][ T6444]  __se_sys_mount+0x2da/0x3c0
[  312.976978][ T6444]  ? __x64_sys_mount+0xc0/0xc0
[  312.981796][ T6444]  ? lockdep_hardirqs_on+0x98/0x150
[  312.987041][ T6444]  ? __x64_sys_mount+0x20/0xc0
[  312.991833][ T6444]  do_syscall_64+0x55/0xb0
[  312.996269][ T6444]  ? clear_bhb_loop+0x40/0x90
[  313.000973][ T6444]  ? clear_bhb_loop+0x40/0x90
[  313.005676][ T6444]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  313.011627][ T6444] RIP: 0033:0x7f8155d90eea
[  313.016064][ T6444] 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
[  313.035688][ T6444] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  313.044123][ T6444] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  313.052114][ T6444] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  313.060136][ T6444] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  313.068126][ T6444] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  313.076119][ T6444] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  313.084131][ T6444]  </TASK>
[  313.089747][ T6444] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  313.105873][ T6444] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  313.470549][ T6447] loop1: detected capacity change from 0 to 32768
[  313.483460][ T6447] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  313.493267][ T6447] CPU: 1 PID: 6447 Comm: syz.1.172 Not tainted syzkaller #0
[  313.500603][ T6447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  313.510695][ T6447] Call Trace:
[  313.514008][ T6447]  <TASK>
[  313.516973][ T6447]  dump_stack_lvl+0x16c/0x230
[  313.521711][ T6447]  ? show_regs_print_info+0x20/0x20
[  313.526982][ T6447]  ? load_image+0x3b0/0x3b0
[  313.531540][ T6447]  sysfs_create_dir_ns+0x256/0x280
[  313.536715][ T6447]  ? sysfs_warn_dup+0xa0/0xa0
[  313.541437][ T6447]  ? do_raw_spin_unlock+0x121/0x230
[  313.546685][ T6447]  kobject_add_internal+0x6b8/0xc70
[  313.551943][ T6447]  kobject_init_and_add+0x126/0x190
[  313.557207][ T6447]  ? lockdep_softirqs_off+0x430/0x430
[  313.562618][ T6447]  ? kobject_add+0x220/0x220
[  313.567256][ T6447]  ? __init_swait_queue_head+0xa9/0x150
[  313.572849][ T6447]  gfs2_sys_fs_add+0x238/0x470
[  313.577654][ T6447]  ? gfs2_recover_set+0x250/0x250
[  313.582725][ T6447]  ? apply_workqueue_attrs+0x180/0x180
[  313.588231][ T6447]  gfs2_fill_super+0x1323/0x1f80
[  313.593229][ T6447]  ? gfs2_reconfigure+0xb10/0xb10
[  313.598311][ T6447]  ? setup_bdev_super+0x56b/0x660
[  313.603382][ T6447]  get_tree_bdev+0x3e4/0x510
[  313.608016][ T6447]  ? end_current_label_crit_section+0x170/0x170
[  313.614295][ T6447]  ? gfs2_reconfigure+0xb10/0xb10
[  313.619381][ T6447]  ? setup_bdev_super+0x660/0x660
[  313.624452][ T6447]  gfs2_get_tree+0x51/0x1e0
[  313.629012][ T6447]  vfs_get_tree+0x8c/0x280
[  313.633474][ T6447]  do_new_mount+0x24b/0xa40
[  313.638016][ T6447]  __se_sys_mount+0x2da/0x3c0
[  313.642730][ T6447]  ? __x64_sys_mount+0xc0/0xc0
[  313.647523][ T6447]  ? lockdep_hardirqs_on+0x98/0x150
[  313.652752][ T6447]  ? __x64_sys_mount+0x20/0xc0
[  313.657548][ T6447]  do_syscall_64+0x55/0xb0
[  313.661999][ T6447]  ? clear_bhb_loop+0x40/0x90
[  313.666718][ T6447]  ? clear_bhb_loop+0x40/0x90
[  313.671435][ T6447]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  313.677365][ T6447] RIP: 0033:0x7f8155d90eea
[  313.681820][ T6447] 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
[  313.701452][ T6447] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  313.709870][ T6447] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  313.717861][ T6447] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  313.725831][ T6447] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  313.733808][ T6447] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  313.741794][ T6447] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  313.749771][ T6447]  </TASK>
[  313.753571][ T6447] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  313.768135][ T6447] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  314.179949][ T6450] loop1: detected capacity change from 0 to 32768
[  314.195860][ T6450] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  314.203467][ T6450] CPU: 1 PID: 6450 Comm: syz.1.173 Not tainted syzkaller #0
[  314.210857][ T6450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  314.220952][ T6450] Call Trace:
[  314.224264][ T6450]  <TASK>
[  314.227226][ T6450]  dump_stack_lvl+0x16c/0x230
[  314.231959][ T6450]  ? show_regs_print_info+0x20/0x20
[  314.237211][ T6450]  ? load_image+0x3b0/0x3b0
[  314.241764][ T6450]  sysfs_create_dir_ns+0x256/0x280
[  314.246970][ T6450]  ? sysfs_warn_dup+0xa0/0xa0
[  314.251695][ T6450]  ? do_raw_spin_unlock+0x121/0x230
[  314.256935][ T6450]  kobject_add_internal+0x6b8/0xc70
[  314.262178][ T6450]  kobject_init_and_add+0x126/0x190
[  314.267417][ T6450]  ? lockdep_softirqs_off+0x430/0x430
[  314.272812][ T6450]  ? kobject_add+0x220/0x220
[  314.277422][ T6450]  ? __init_swait_queue_head+0xa9/0x150
[  314.282984][ T6450]  gfs2_sys_fs_add+0x238/0x470
[  314.287774][ T6450]  ? gfs2_recover_set+0x250/0x250
[  314.292833][ T6450]  ? apply_workqueue_attrs+0x180/0x180
[  314.298316][ T6450]  gfs2_fill_super+0x1323/0x1f80
[  314.303280][ T6450]  ? gfs2_reconfigure+0xb10/0xb10
[  314.308332][ T6450]  ? setup_bdev_super+0x56b/0x660
[  314.313373][ T6450]  get_tree_bdev+0x3e4/0x510
[  314.317983][ T6450]  ? end_current_label_crit_section+0x170/0x170
[  314.324247][ T6450]  ? gfs2_reconfigure+0xb10/0xb10
[  314.329300][ T6450]  ? setup_bdev_super+0x660/0x660
[  314.334401][ T6450]  gfs2_get_tree+0x51/0x1e0
[  314.338936][ T6450]  vfs_get_tree+0x8c/0x280
[  314.343381][ T6450]  do_new_mount+0x24b/0xa40
[  314.347914][ T6450]  __se_sys_mount+0x2da/0x3c0
[  314.352625][ T6450]  ? __x64_sys_mount+0xc0/0xc0
[  314.357412][ T6450]  ? lockdep_hardirqs_on+0x98/0x150
[  314.362654][ T6450]  ? __x64_sys_mount+0x20/0xc0
[  314.367435][ T6450]  do_syscall_64+0x55/0xb0
[  314.371868][ T6450]  ? clear_bhb_loop+0x40/0x90
[  314.376562][ T6450]  ? clear_bhb_loop+0x40/0x90
[  314.381289][ T6450]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  314.387208][ T6450] RIP: 0033:0x7f8155d90eea
[  314.391645][ T6450] 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
[  314.411272][ T6450] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  314.419707][ T6450] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  314.427778][ T6450] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  314.435778][ T6450] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  314.443773][ T6450] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  314.451766][ T6450] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  314.459772][ T6450]  </TASK>
[  314.470865][ T6450] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  314.486357][ T6450] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  314.901313][ T6453] loop1: detected capacity change from 0 to 32768
[  314.919468][ T6453] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  314.927002][ T6453] CPU: 0 PID: 6453 Comm: syz.1.174 Not tainted syzkaller #0
[  314.934341][ T6453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  314.944428][ T6453] Call Trace:
[  314.947748][ T6453]  <TASK>
[  314.950711][ T6453]  dump_stack_lvl+0x16c/0x230
[  314.955443][ T6453]  ? show_regs_print_info+0x20/0x20
[  314.960703][ T6453]  ? load_image+0x3b0/0x3b0
[  314.965260][ T6453]  sysfs_create_dir_ns+0x256/0x280
[  314.970417][ T6453]  ? sysfs_warn_dup+0xa0/0xa0
[  314.975201][ T6453]  ? do_raw_spin_unlock+0x121/0x230
[  314.980457][ T6453]  kobject_add_internal+0x6b8/0xc70
[  314.985729][ T6453]  kobject_init_and_add+0x126/0x190
[  314.990982][ T6453]  ? lockdep_softirqs_off+0x430/0x430
[  314.996394][ T6453]  ? kobject_add+0x220/0x220
[  315.001027][ T6453]  ? __init_swait_queue_head+0xa9/0x150
[  315.006618][ T6453]  gfs2_sys_fs_add+0x238/0x470
[  315.011430][ T6453]  ? gfs2_recover_set+0x250/0x250
[  315.016497][ T6453]  ? apply_workqueue_attrs+0x180/0x180
[  315.022002][ T6453]  gfs2_fill_super+0x1323/0x1f80
[  315.027025][ T6453]  ? gfs2_reconfigure+0xb10/0xb10
[  315.032095][ T6453]  ? setup_bdev_super+0x56b/0x660
[  315.037150][ T6453]  get_tree_bdev+0x3e4/0x510
[  315.041768][ T6453]  ? end_current_label_crit_section+0x170/0x170
[  315.048027][ T6453]  ? gfs2_reconfigure+0xb10/0xb10
[  315.053073][ T6453]  ? setup_bdev_super+0x660/0x660
[  315.058125][ T6453]  gfs2_get_tree+0x51/0x1e0
[  315.062643][ T6453]  vfs_get_tree+0x8c/0x280
[  315.067077][ T6453]  do_new_mount+0x24b/0xa40
[  315.071597][ T6453]  __se_sys_mount+0x2da/0x3c0
[  315.076284][ T6453]  ? __x64_sys_mount+0xc0/0xc0
[  315.081080][ T6453]  ? lockdep_hardirqs_on+0x98/0x150
[  315.086291][ T6453]  ? __x64_sys_mount+0x20/0xc0
[  315.091075][ T6453]  do_syscall_64+0x55/0xb0
[  315.095602][ T6453]  ? clear_bhb_loop+0x40/0x90
[  315.100299][ T6453]  ? clear_bhb_loop+0x40/0x90
[  315.104989][ T6453]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  315.110902][ T6453] RIP: 0033:0x7f8155d90eea
[  315.115337][ T6453] 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
[  315.134984][ T6453] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  315.143413][ T6453] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  315.151431][ T6453] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  315.159416][ T6453] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  315.167406][ T6453] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  315.175392][ T6453] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  315.183389][ T6453]  </TASK>
[  315.195618][ T6453] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  315.209678][ T6453] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  315.580643][ T6456] loop1: detected capacity change from 0 to 32768
[  315.592766][ T6456] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  315.605948][ T6456] CPU: 1 PID: 6456 Comm: syz.1.175 Not tainted syzkaller #0
[  315.613285][ T6456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  315.623374][ T6456] Call Trace:
[  315.626687][ T6456]  <TASK>
[  315.629641][ T6456]  dump_stack_lvl+0x16c/0x230
[  315.634375][ T6456]  ? show_regs_print_info+0x20/0x20
[  315.639625][ T6456]  ? load_image+0x3b0/0x3b0
[  315.644199][ T6456]  sysfs_create_dir_ns+0x256/0x280
[  315.649376][ T6456]  ? sysfs_warn_dup+0xa0/0xa0
[  315.654117][ T6456]  ? do_raw_spin_unlock+0x121/0x230
[  315.659374][ T6456]  kobject_add_internal+0x6b8/0xc70
[  315.664663][ T6456]  kobject_init_and_add+0x126/0x190
[  315.669903][ T6456]  ? lockdep_softirqs_off+0x430/0x430
[  315.675327][ T6456]  ? kobject_add+0x220/0x220
[  315.679972][ T6456]  ? __init_swait_queue_head+0xa9/0x150
[  315.685584][ T6456]  gfs2_sys_fs_add+0x238/0x470
[  315.690441][ T6456]  ? gfs2_recover_set+0x250/0x250
[  315.695525][ T6456]  ? apply_workqueue_attrs+0x180/0x180
[  315.701052][ T6456]  gfs2_fill_super+0x1323/0x1f80
[  315.706060][ T6456]  ? gfs2_reconfigure+0xb10/0xb10
[  315.711156][ T6456]  ? setup_bdev_super+0x56b/0x660
[  315.716300][ T6456]  get_tree_bdev+0x3e4/0x510
[  315.720938][ T6456]  ? end_current_label_crit_section+0x170/0x170
[  315.727240][ T6456]  ? gfs2_reconfigure+0xb10/0xb10
[  315.732331][ T6456]  ? setup_bdev_super+0x660/0x660
[  315.737504][ T6456]  gfs2_get_tree+0x51/0x1e0
[  315.742060][ T6456]  vfs_get_tree+0x8c/0x280
[  315.746510][ T6456]  do_new_mount+0x24b/0xa40
[  315.751053][ T6456]  __se_sys_mount+0x2da/0x3c0
[  315.755765][ T6456]  ? __x64_sys_mount+0xc0/0xc0
[  315.760567][ T6456]  ? lockdep_hardirqs_on+0x98/0x150
[  315.765808][ T6456]  ? __x64_sys_mount+0x20/0xc0
[  315.770613][ T6456]  do_syscall_64+0x55/0xb0
[  315.775097][ T6456]  ? clear_bhb_loop+0x40/0x90
[  315.779821][ T6456]  ? clear_bhb_loop+0x40/0x90
[  315.784544][ T6456]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  315.790488][ T6456] RIP: 0033:0x7f8155d90eea
[  315.794992][ T6456] 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
[  315.814639][ T6456] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  315.823100][ T6456] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  315.831117][ T6456] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  315.839159][ T6456] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  315.847196][ T6456] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  315.855218][ T6456] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  315.863252][ T6456]  </TASK>
[  315.871117][ T6456] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  315.885255][ T6456] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  316.236640][ T6459] loop1: detected capacity change from 0 to 32768
[  316.256805][ T6459] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  316.264505][ T6459] CPU: 1 PID: 6459 Comm: syz.1.176 Not tainted syzkaller #0
[  316.271835][ T6459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  316.281934][ T6459] Call Trace:
[  316.285248][ T6459]  <TASK>
[  316.288210][ T6459]  dump_stack_lvl+0x16c/0x230
[  316.292956][ T6459]  ? show_regs_print_info+0x20/0x20
[  316.298207][ T6459]  ? load_image+0x3b0/0x3b0
[  316.302766][ T6459]  sysfs_create_dir_ns+0x256/0x280
[  316.307928][ T6459]  ? sysfs_warn_dup+0xa0/0xa0
[  316.312658][ T6459]  ? do_raw_spin_unlock+0x121/0x230
[  316.317927][ T6459]  kobject_add_internal+0x6b8/0xc70
[  316.323188][ T6459]  kobject_init_and_add+0x126/0x190
[  316.328429][ T6459]  ? lockdep_softirqs_off+0x430/0x430
[  316.333847][ T6459]  ? kobject_add+0x220/0x220
[  316.338488][ T6459]  ? __init_swait_queue_head+0xa9/0x150
[  316.344099][ T6459]  gfs2_sys_fs_add+0x238/0x470
[  316.348907][ T6459]  ? gfs2_recover_set+0x250/0x250
[  316.353969][ T6459]  ? apply_workqueue_attrs+0x180/0x180
[  316.359476][ T6459]  gfs2_fill_super+0x1323/0x1f80
[  316.364524][ T6459]  ? gfs2_reconfigure+0xb10/0xb10
[  316.369604][ T6459]  ? setup_bdev_super+0x56b/0x660
[  316.374671][ T6459]  get_tree_bdev+0x3e4/0x510
[  316.379305][ T6459]  ? end_current_label_crit_section+0x170/0x170
[  316.385589][ T6459]  ? gfs2_reconfigure+0xb10/0xb10
[  316.390662][ T6459]  ? setup_bdev_super+0x660/0x660
[  316.395738][ T6459]  gfs2_get_tree+0x51/0x1e0
[  316.400291][ T6459]  vfs_get_tree+0x8c/0x280
[  316.404742][ T6459]  do_new_mount+0x24b/0xa40
[  316.409287][ T6459]  __se_sys_mount+0x2da/0x3c0
[  316.414007][ T6459]  ? __x64_sys_mount+0xc0/0xc0
[  316.418829][ T6459]  ? lockdep_hardirqs_on+0x98/0x150
[  316.424057][ T6459]  ? __x64_sys_mount+0x20/0xc0
[  316.428862][ T6459]  do_syscall_64+0x55/0xb0
[  316.433321][ T6459]  ? clear_bhb_loop+0x40/0x90
[  316.438033][ T6459]  ? clear_bhb_loop+0x40/0x90
[  316.442767][ T6459]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  316.448693][ T6459] RIP: 0033:0x7f8155d90eea
[  316.453133][ T6459] 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
[  316.472782][ T6459] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  316.481237][ T6459] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  316.489246][ T6459] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  316.497252][ T6459] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  316.505262][ T6459] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  316.513268][ T6459] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  316.521321][ T6459]  </TASK>
[  316.536747][ T6459] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  316.550803][ T6459] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  317.008389][ T6462] loop1: detected capacity change from 0 to 32768
[  317.027075][ T6462] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  317.038894][ T6462] CPU: 1 PID: 6462 Comm: syz.1.177 Not tainted syzkaller #0
[  317.046237][ T6462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  317.056325][ T6462] Call Trace:
[  317.059656][ T6462]  <TASK>
[  317.062643][ T6462]  dump_stack_lvl+0x16c/0x230
[  317.067426][ T6462]  ? show_regs_print_info+0x20/0x20
[  317.072685][ T6462]  ? load_image+0x3b0/0x3b0
[  317.077257][ T6462]  sysfs_create_dir_ns+0x256/0x280
[  317.082433][ T6462]  ? sysfs_warn_dup+0xa0/0xa0
[  317.087162][ T6462]  ? do_raw_spin_unlock+0x121/0x230
[  317.092408][ T6462]  kobject_add_internal+0x6b8/0xc70
[  317.097655][ T6462]  kobject_init_and_add+0x126/0x190
[  317.102895][ T6462]  ? lockdep_softirqs_off+0x430/0x430
[  317.108347][ T6462]  ? kobject_add+0x220/0x220
[  317.113010][ T6462]  ? __init_swait_queue_head+0xa9/0x150
[  317.118604][ T6462]  gfs2_sys_fs_add+0x238/0x470
[  317.123418][ T6462]  ? gfs2_recover_set+0x250/0x250
[  317.128522][ T6462]  ? apply_workqueue_attrs+0x180/0x180
[  317.134036][ T6462]  gfs2_fill_super+0x1323/0x1f80
[  317.139049][ T6462]  ? gfs2_reconfigure+0xb10/0xb10
[  317.144143][ T6462]  ? setup_bdev_super+0x56b/0x660
[  317.149250][ T6462]  get_tree_bdev+0x3e4/0x510
[  317.153923][ T6462]  ? end_current_label_crit_section+0x170/0x170
[  317.160221][ T6462]  ? gfs2_reconfigure+0xb10/0xb10
[  317.165297][ T6462]  ? setup_bdev_super+0x660/0x660
[  317.170385][ T6462]  gfs2_get_tree+0x51/0x1e0
[  317.174950][ T6462]  vfs_get_tree+0x8c/0x280
[  317.179416][ T6462]  do_new_mount+0x24b/0xa40
[  317.183963][ T6462]  __se_sys_mount+0x2da/0x3c0
[  317.188685][ T6462]  ? __x64_sys_mount+0xc0/0xc0
[  317.193492][ T6462]  ? lockdep_hardirqs_on+0x98/0x150
[  317.198719][ T6462]  ? __x64_sys_mount+0x20/0xc0
[  317.203524][ T6462]  do_syscall_64+0x55/0xb0
[  317.208009][ T6462]  ? clear_bhb_loop+0x40/0x90
[  317.212735][ T6462]  ? clear_bhb_loop+0x40/0x90
[  317.217451][ T6462]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  317.223390][ T6462] RIP: 0033:0x7f8155d90eea
[  317.227847][ T6462] 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
[  317.247513][ T6462] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  317.255960][ T6462] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  317.263973][ T6462] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  317.271983][ T6462] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  317.279991][ T6462] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  317.288003][ T6462] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  317.296052][ T6462]  </TASK>
[  317.303753][ T1280] ieee802154 phy0 wpan0: encryption failed: -22
[  317.307286][ T6462] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  317.310140][ T1280] ieee802154 phy1 wpan1: encryption failed: -22
[  317.332886][ T6462] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/02 11:02:15 executed programs: 163
[  317.688932][ T6465] loop1: detected capacity change from 0 to 32768
[  317.702579][ T6465] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  317.711316][ T6465] CPU: 1 PID: 6465 Comm: syz.1.178 Not tainted syzkaller #0
[  317.718636][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  317.728717][ T6465] Call Trace:
[  317.732031][ T6465]  <TASK>
[  317.734989][ T6465]  dump_stack_lvl+0x16c/0x230
[  317.739723][ T6465]  ? show_regs_print_info+0x20/0x20
[  317.744981][ T6465]  ? load_image+0x3b0/0x3b0
[  317.749529][ T6465]  sysfs_create_dir_ns+0x256/0x280
[  317.754692][ T6465]  ? sysfs_warn_dup+0xa0/0xa0
[  317.759491][ T6465]  ? do_raw_spin_unlock+0x121/0x230
[  317.764833][ T6465]  kobject_add_internal+0x6b8/0xc70
[  317.770066][ T6465]  kobject_init_and_add+0x126/0x190
[  317.775322][ T6465]  ? lockdep_softirqs_off+0x430/0x430
[  317.780714][ T6465]  ? kobject_add+0x220/0x220
[  317.785319][ T6465]  ? __init_swait_queue_head+0xa9/0x150
[  317.790876][ T6465]  gfs2_sys_fs_add+0x238/0x470
[  317.795661][ T6465]  ? gfs2_recover_set+0x250/0x250
[  317.800700][ T6465]  ? apply_workqueue_attrs+0x180/0x180
[  317.806184][ T6465]  gfs2_fill_super+0x1323/0x1f80
[  317.811143][ T6465]  ? gfs2_reconfigure+0xb10/0xb10
[  317.816190][ T6465]  ? setup_bdev_super+0x56b/0x660
[  317.821240][ T6465]  get_tree_bdev+0x3e4/0x510
[  317.825853][ T6465]  ? end_current_label_crit_section+0x170/0x170
[  317.832123][ T6465]  ? gfs2_reconfigure+0xb10/0xb10
[  317.837170][ T6465]  ? setup_bdev_super+0x660/0x660
[  317.842216][ T6465]  gfs2_get_tree+0x51/0x1e0
[  317.846742][ T6465]  vfs_get_tree+0x8c/0x280
[  317.851175][ T6465]  do_new_mount+0x24b/0xa40
[  317.855731][ T6465]  __se_sys_mount+0x2da/0x3c0
[  317.860429][ T6465]  ? __x64_sys_mount+0xc0/0xc0
[  317.865206][ T6465]  ? lockdep_hardirqs_on+0x98/0x150
[  317.870418][ T6465]  ? __x64_sys_mount+0x20/0xc0
[  317.875188][ T6465]  do_syscall_64+0x55/0xb0
[  317.879610][ T6465]  ? clear_bhb_loop+0x40/0x90
[  317.884298][ T6465]  ? clear_bhb_loop+0x40/0x90
[  317.888989][ T6465]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  317.894902][ T6465] RIP: 0033:0x7f8155d90eea
[  317.899327][ T6465] 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
[  317.918942][ T6465] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  317.927375][ T6465] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  317.935356][ T6465] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  317.943345][ T6465] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  317.951340][ T6465] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  317.959338][ T6465] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  317.967341][ T6465]  </TASK>
[  317.971388][ T6465] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  317.986095][ T6465] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  318.350842][ T6468] loop1: detected capacity change from 0 to 32768
[  318.359435][ T6468] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  318.367305][ T6468] CPU: 0 PID: 6468 Comm: syz.1.179 Not tainted syzkaller #0
[  318.374638][ T6468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  318.384719][ T6468] Call Trace:
[  318.388021][ T6468]  <TASK>
[  318.390983][ T6468]  dump_stack_lvl+0x16c/0x230
[  318.395714][ T6468]  ? show_regs_print_info+0x20/0x20
[  318.400962][ T6468]  ? load_image+0x3b0/0x3b0
[  318.405516][ T6468]  sysfs_create_dir_ns+0x256/0x280
[  318.410672][ T6468]  ? sysfs_warn_dup+0xa0/0xa0
[  318.415421][ T6468]  ? do_raw_spin_unlock+0x121/0x230
[  318.420672][ T6468]  kobject_add_internal+0x6b8/0xc70
[  318.425930][ T6468]  kobject_init_and_add+0x126/0x190
[  318.431223][ T6468]  ? lockdep_softirqs_off+0x430/0x430
[  318.436647][ T6468]  ? kobject_add+0x220/0x220
[  318.441304][ T6468]  ? __init_swait_queue_head+0xa9/0x150
[  318.446950][ T6468]  gfs2_sys_fs_add+0x238/0x470
[  318.451769][ T6468]  ? gfs2_recover_set+0x250/0x250
[  318.456871][ T6468]  ? apply_workqueue_attrs+0x180/0x180
[  318.462398][ T6468]  gfs2_fill_super+0x1323/0x1f80
[  318.467413][ T6468]  ? gfs2_reconfigure+0xb10/0xb10
[  318.472491][ T6468]  ? setup_bdev_super+0x56b/0x660
[  318.477558][ T6468]  get_tree_bdev+0x3e4/0x510
[  318.482181][ T6468]  ? end_current_label_crit_section+0x170/0x170
[  318.488472][ T6468]  ? gfs2_reconfigure+0xb10/0xb10
[  318.493543][ T6468]  ? setup_bdev_super+0x660/0x660
[  318.498605][ T6468]  gfs2_get_tree+0x51/0x1e0
[  318.503151][ T6468]  vfs_get_tree+0x8c/0x280
[  318.507618][ T6468]  do_new_mount+0x24b/0xa40
[  318.512187][ T6468]  __se_sys_mount+0x2da/0x3c0
[  318.516907][ T6468]  ? __x64_sys_mount+0xc0/0xc0
[  318.521717][ T6468]  ? lockdep_hardirqs_on+0x98/0x150
[  318.526965][ T6468]  ? __x64_sys_mount+0x20/0xc0
[  318.531763][ T6468]  do_syscall_64+0x55/0xb0
[  318.536212][ T6468]  ? clear_bhb_loop+0x40/0x90
[  318.540941][ T6468]  ? clear_bhb_loop+0x40/0x90
[  318.545664][ T6468]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  318.551598][ T6468] RIP: 0033:0x7f8155d90eea
[  318.556053][ 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
[  318.575694][ T6468] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  318.584139][ T6468] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  318.592131][ T6468] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  318.600103][ T6468] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  318.608088][ T6468] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  318.616111][ T6468] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  318.624119][ T6468]  </TASK>
[  318.628843][ 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.
[  318.643382][ T6468] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  319.047209][ T6471] loop1: detected capacity change from 0 to 32768
[  319.060758][ T6471] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  319.069479][ T6471] CPU: 1 PID: 6471 Comm: syz.1.180 Not tainted syzkaller #0
[  319.076814][ T6471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  319.086901][ T6471] Call Trace:
[  319.090208][ T6471]  <TASK>
[  319.093163][ T6471]  dump_stack_lvl+0x16c/0x230
[  319.097896][ T6471]  ? show_regs_print_info+0x20/0x20
[  319.103138][ T6471]  ? load_image+0x3b0/0x3b0
[  319.107690][ T6471]  sysfs_create_dir_ns+0x256/0x280
[  319.112853][ T6471]  ? sysfs_warn_dup+0xa0/0xa0
[  319.117584][ T6471]  ? do_raw_spin_unlock+0x121/0x230
[  319.122836][ T6471]  kobject_add_internal+0x6b8/0xc70
[  319.128083][ T6471]  kobject_init_and_add+0x126/0x190
[  319.133326][ T6471]  ? lockdep_softirqs_off+0x430/0x430
[  319.138738][ T6471]  ? kobject_add+0x220/0x220
[  319.143369][ T6471]  ? __init_swait_queue_head+0xa9/0x150
[  319.148952][ T6471]  gfs2_sys_fs_add+0x238/0x470
[  319.153777][ T6471]  ? gfs2_recover_set+0x250/0x250
[  319.158843][ T6471]  ? apply_workqueue_attrs+0x180/0x180
[  319.164346][ T6471]  gfs2_fill_super+0x1323/0x1f80
[  319.169344][ T6471]  ? gfs2_reconfigure+0xb10/0xb10
[  319.174416][ T6471]  ? setup_bdev_super+0x56b/0x660
[  319.179470][ T6471]  get_tree_bdev+0x3e4/0x510
[  319.184095][ T6471]  ? end_current_label_crit_section+0x170/0x170
[  319.190368][ T6471]  ? gfs2_reconfigure+0xb10/0xb10
[  319.195467][ T6471]  ? setup_bdev_super+0x660/0x660
[  319.200540][ T6471]  gfs2_get_tree+0x51/0x1e0
[  319.205080][ T6471]  vfs_get_tree+0x8c/0x280
[  319.209531][ T6471]  do_new_mount+0x24b/0xa40
[  319.214085][ T6471]  __se_sys_mount+0x2da/0x3c0
[  319.218803][ T6471]  ? __x64_sys_mount+0xc0/0xc0
[  319.223602][ T6471]  ? lockdep_hardirqs_on+0x98/0x150
[  319.228843][ T6471]  ? __x64_sys_mount+0x20/0xc0
[  319.233648][ T6471]  do_syscall_64+0x55/0xb0
[  319.238105][ T6471]  ? clear_bhb_loop+0x40/0x90
[  319.242814][ T6471]  ? clear_bhb_loop+0x40/0x90
[  319.247527][ T6471]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  319.253462][ T6471] RIP: 0033:0x7f8155d90eea
[  319.257915][ T6471] 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
[  319.277564][ T6471] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  319.286025][ T6471] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  319.294031][ T6471] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  319.302030][ T6471] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  319.310036][ T6471] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  319.318039][ T6471] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  319.326058][ T6471]  </TASK>
[  319.334570][ T6471] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  319.348593][ T6471] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  319.697238][ T6474] loop1: detected capacity change from 0 to 32768
[  319.722706][ T6474] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  319.730215][ T6474] CPU: 1 PID: 6474 Comm: syz.1.181 Not tainted syzkaller #0
[  319.737537][ T6474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  319.747628][ T6474] Call Trace:
[  319.750950][ T6474]  <TASK>
[  319.753926][ T6474]  dump_stack_lvl+0x16c/0x230
[  319.758664][ T6474]  ? show_regs_print_info+0x20/0x20
[  319.763936][ T6474]  ? load_image+0x3b0/0x3b0
[  319.768513][ T6474]  sysfs_create_dir_ns+0x256/0x280
[  319.773683][ T6474]  ? sysfs_warn_dup+0xa0/0xa0
[  319.778422][ T6474]  ? do_raw_spin_unlock+0x121/0x230
[  319.783687][ T6474]  kobject_add_internal+0x6b8/0xc70
[  319.788956][ T6474]  kobject_init_and_add+0x126/0x190
[  319.794208][ T6474]  ? lockdep_softirqs_off+0x430/0x430
[  319.799629][ T6474]  ? kobject_add+0x220/0x220
[  319.804286][ T6474]  ? __init_swait_queue_head+0xa9/0x150
[  319.809877][ T6474]  gfs2_sys_fs_add+0x238/0x470
[  319.814699][ T6474]  ? gfs2_recover_set+0x250/0x250
[  319.819776][ T6474]  ? apply_workqueue_attrs+0x180/0x180
[  319.825290][ T6474]  gfs2_fill_super+0x1323/0x1f80
[  319.830296][ T6474]  ? gfs2_reconfigure+0xb10/0xb10
[  319.835382][ T6474]  ? setup_bdev_super+0x56b/0x660
[  319.840458][ T6474]  get_tree_bdev+0x3e4/0x510
[  319.845090][ T6474]  ? end_current_label_crit_section+0x170/0x170
[  319.851385][ T6474]  ? gfs2_reconfigure+0xb10/0xb10
[  319.856477][ T6474]  ? setup_bdev_super+0x660/0x660
[  319.861609][ T6474]  gfs2_get_tree+0x51/0x1e0
[  319.866166][ T6474]  vfs_get_tree+0x8c/0x280
[  319.870618][ T6474]  do_new_mount+0x24b/0xa40
[  319.875184][ T6474]  __se_sys_mount+0x2da/0x3c0
[  319.879920][ T6474]  ? __x64_sys_mount+0xc0/0xc0
[  319.884746][ T6474]  ? lockdep_hardirqs_on+0x98/0x150
[  319.890032][ T6474]  ? __x64_sys_mount+0x20/0xc0
[  319.894848][ T6474]  do_syscall_64+0x55/0xb0
[  319.899312][ T6474]  ? clear_bhb_loop+0x40/0x90
[  319.904039][ T6474]  ? clear_bhb_loop+0x40/0x90
[  319.908773][ T6474]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  319.914716][ T6474] RIP: 0033:0x7f8155d90eea
[  319.919170][ 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
[  319.938816][ T6474] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  319.947277][ T6474] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  319.955289][ T6474] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  319.963295][ T6474] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  319.971307][ T6474] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  319.979320][ T6474] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  319.987344][ T6474]  </TASK>
[  319.999524][ 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.
[  320.016690][ T6474] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  320.447880][ T6477] loop1: detected capacity change from 0 to 32768
[  320.460512][ T6477] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  320.468337][ T6477] CPU: 1 PID: 6477 Comm: syz.1.182 Not tainted syzkaller #0
[  320.475669][ T6477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  320.485751][ T6477] Call Trace:
[  320.489065][ T6477]  <TASK>
[  320.492034][ T6477]  dump_stack_lvl+0x16c/0x230
[  320.496783][ T6477]  ? show_regs_print_info+0x20/0x20
[  320.502044][ T6477]  ? load_image+0x3b0/0x3b0
[  320.506624][ T6477]  sysfs_create_dir_ns+0x256/0x280
[  320.511823][ T6477]  ? sysfs_warn_dup+0xa0/0xa0
[  320.516565][ T6477]  ? do_raw_spin_unlock+0x121/0x230
[  320.521848][ T6477]  kobject_add_internal+0x6b8/0xc70
[  320.527114][ T6477]  kobject_init_and_add+0x126/0x190
[  320.532373][ T6477]  ? lockdep_softirqs_off+0x430/0x430
[  320.537817][ T6477]  ? kobject_add+0x220/0x220
[  320.542474][ T6477]  ? __init_swait_queue_head+0xa9/0x150
[  320.548077][ T6477]  gfs2_sys_fs_add+0x238/0x470
[  320.552926][ T6477]  ? gfs2_recover_set+0x250/0x250
[  320.558017][ T6477]  ? apply_workqueue_attrs+0x180/0x180
[  320.563525][ T6477]  gfs2_fill_super+0x1323/0x1f80
[  320.568525][ T6477]  ? gfs2_reconfigure+0xb10/0xb10
[  320.573639][ T6477]  ? setup_bdev_super+0x56b/0x660
[  320.578790][ T6477]  get_tree_bdev+0x3e4/0x510
[  320.583412][ T6477]  ? end_current_label_crit_section+0x170/0x170
[  320.589680][ T6477]  ? gfs2_reconfigure+0xb10/0xb10
[  320.594740][ T6477]  ? setup_bdev_super+0x660/0x660
[  320.599786][ T6477]  gfs2_get_tree+0x51/0x1e0
[  320.604308][ T6477]  vfs_get_tree+0x8c/0x280
[  320.608748][ T6477]  do_new_mount+0x24b/0xa40
[  320.613283][ T6477]  __se_sys_mount+0x2da/0x3c0
[  320.617985][ T6477]  ? __x64_sys_mount+0xc0/0xc0
[  320.622764][ T6477]  ? lockdep_hardirqs_on+0x98/0x150
[  320.627979][ T6477]  ? __x64_sys_mount+0x20/0xc0
[  320.632761][ T6477]  do_syscall_64+0x55/0xb0
[  320.637186][ T6477]  ? clear_bhb_loop+0x40/0x90
[  320.641887][ T6477]  ? clear_bhb_loop+0x40/0x90
[  320.646591][ T6477]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  320.652502][ T6477] RIP: 0033:0x7f8155d90eea
[  320.656946][ T6477] 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
[  320.676584][ T6477] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  320.685068][ T6477] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  320.693069][ T6477] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  320.701059][ T6477] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  320.709040][ T6477] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  320.717035][ T6477] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  320.725042][ T6477]  </TASK>
[  320.733698][ T6477] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  320.747776][ T6477] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  321.123308][ T6480] loop1: detected capacity change from 0 to 32768
[  321.133917][ T6480] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  321.141496][ T6480] CPU: 0 PID: 6480 Comm: syz.1.183 Not tainted syzkaller #0
[  321.148832][ T6480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  321.158925][ T6480] Call Trace:
[  321.162238][ T6480]  <TASK>
[  321.165213][ T6480]  dump_stack_lvl+0x16c/0x230
[  321.169967][ T6480]  ? show_regs_print_info+0x20/0x20
[  321.175234][ T6480]  ? load_image+0x3b0/0x3b0
[  321.179806][ T6480]  sysfs_create_dir_ns+0x256/0x280
[  321.184985][ T6480]  ? sysfs_warn_dup+0xa0/0xa0
[  321.189726][ T6480]  ? do_raw_spin_unlock+0x121/0x230
[  321.194981][ T6480]  kobject_add_internal+0x6b8/0xc70
[  321.200238][ T6480]  kobject_init_and_add+0x126/0x190
[  321.205516][ T6480]  ? lockdep_softirqs_off+0x430/0x430
[  321.210939][ T6480]  ? kobject_add+0x220/0x220
[  321.215588][ T6480]  ? __init_swait_queue_head+0xa9/0x150
[  321.221196][ T6480]  gfs2_sys_fs_add+0x238/0x470
[  321.226015][ T6480]  ? gfs2_recover_set+0x250/0x250
[  321.231092][ T6480]  ? apply_workqueue_attrs+0x180/0x180
[  321.236613][ T6480]  gfs2_fill_super+0x1323/0x1f80
[  321.241646][ T6480]  ? gfs2_reconfigure+0xb10/0xb10
[  321.246760][ T6480]  ? setup_bdev_super+0x56b/0x660
[  321.251863][ T6480]  get_tree_bdev+0x3e4/0x510
[  321.256511][ T6480]  ? end_current_label_crit_section+0x170/0x170
[  321.262807][ T6480]  ? gfs2_reconfigure+0xb10/0xb10
[  321.267888][ T6480]  ? setup_bdev_super+0x660/0x660
[  321.272976][ T6480]  gfs2_get_tree+0x51/0x1e0
[  321.277528][ T6480]  vfs_get_tree+0x8c/0x280
[  321.281991][ T6480]  do_new_mount+0x24b/0xa40
[  321.286551][ T6480]  __se_sys_mount+0x2da/0x3c0
[  321.291279][ T6480]  ? __x64_sys_mount+0xc0/0xc0
[  321.296125][ T6480]  ? lockdep_hardirqs_on+0x98/0x150
[  321.301375][ T6480]  ? __x64_sys_mount+0x20/0xc0
[  321.306202][ T6480]  do_syscall_64+0x55/0xb0
[  321.310671][ T6480]  ? clear_bhb_loop+0x40/0x90
[  321.315399][ T6480]  ? clear_bhb_loop+0x40/0x90
[  321.320135][ T6480]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  321.326065][ T6480] RIP: 0033:0x7f8155d90eea
[  321.330495][ T6480] 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
[  321.350109][ T6480] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  321.358558][ T6480] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  321.366532][ T6480] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  321.374501][ T6480] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  321.382475][ T6480] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  321.390478][ T6480] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  321.398484][ T6480]  </TASK>
[  321.402705][ T6480] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  321.416852][ T6480] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  321.847306][ T6483] loop1: detected capacity change from 0 to 32768
[  321.866380][ T6483] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  321.874326][ T6483] CPU: 0 PID: 6483 Comm: syz.1.184 Not tainted syzkaller #0
[  321.881666][ T6483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  321.891757][ T6483] Call Trace:
[  321.895089][ T6483]  <TASK>
[  321.898053][ T6483]  dump_stack_lvl+0x16c/0x230
[  321.902779][ T6483]  ? show_regs_print_info+0x20/0x20
[  321.908023][ T6483]  ? load_image+0x3b0/0x3b0
[  321.912579][ T6483]  sysfs_create_dir_ns+0x256/0x280
[  321.917753][ T6483]  ? sysfs_warn_dup+0xa0/0xa0
[  321.922479][ T6483]  ? do_raw_spin_unlock+0x121/0x230
[  321.927728][ T6483]  kobject_add_internal+0x6b8/0xc70
[  321.932982][ T6483]  kobject_init_and_add+0x126/0x190
[  321.938228][ T6483]  ? lockdep_softirqs_off+0x430/0x430
[  321.943647][ T6483]  ? kobject_add+0x220/0x220
[  321.948288][ T6483]  ? __init_swait_queue_head+0xa9/0x150
[  321.953873][ T6483]  gfs2_sys_fs_add+0x238/0x470
[  321.958684][ T6483]  ? gfs2_recover_set+0x250/0x250
[  321.963758][ T6483]  ? apply_workqueue_attrs+0x180/0x180
[  321.969255][ T6483]  gfs2_fill_super+0x1323/0x1f80
[  321.974245][ T6483]  ? gfs2_reconfigure+0xb10/0xb10
[  321.979342][ T6483]  ? setup_bdev_super+0x56b/0x660
[  321.984406][ T6483]  get_tree_bdev+0x3e4/0x510
[  321.989028][ T6483]  ? end_current_label_crit_section+0x170/0x170
[  321.995305][ T6483]  ? gfs2_reconfigure+0xb10/0xb10
[  322.000376][ T6483]  ? setup_bdev_super+0x660/0x660
[  322.005446][ T6483]  gfs2_get_tree+0x51/0x1e0
[  322.009999][ T6483]  vfs_get_tree+0x8c/0x280
[  322.014470][ T6483]  do_new_mount+0x24b/0xa40
[  322.019029][ T6483]  __se_sys_mount+0x2da/0x3c0
[  322.023762][ T6483]  ? __x64_sys_mount+0xc0/0xc0
[  322.028576][ T6483]  ? lockdep_hardirqs_on+0x98/0x150
[  322.033827][ T6483]  ? __x64_sys_mount+0x20/0xc0
[  322.038655][ T6483]  do_syscall_64+0x55/0xb0
[  322.043105][ T6483]  ? clear_bhb_loop+0x40/0x90
[  322.047816][ T6483]  ? clear_bhb_loop+0x40/0x90
[  322.052542][ T6483]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  322.058510][ T6483] RIP: 0033:0x7f8155d90eea
[  322.062986][ T6483] 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
[  322.082641][ T6483] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  322.091131][ T6483] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  322.099136][ T6483] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  322.107133][ T6483] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  322.115136][ T6483] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  322.123165][ T6483] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  322.131208][ T6483]  </TASK>
[  322.140942][ T6483] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  322.156195][ T6483] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  322.572807][ T6486] loop1: detected capacity change from 0 to 32768
[  322.603366][ T6486] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  322.610808][ T6486] CPU: 1 PID: 6486 Comm: syz.1.185 Not tainted syzkaller #0
[  322.618139][ T6486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  322.628252][ T6486] Call Trace:
[  322.631586][ T6486]  <TASK>
[  322.634563][ T6486]  dump_stack_lvl+0x16c/0x230
[  322.639316][ T6486]  ? show_regs_print_info+0x20/0x20
[  322.644573][ T6486]  ? load_image+0x3b0/0x3b0
[  322.649143][ T6486]  sysfs_create_dir_ns+0x256/0x280
[  322.654326][ T6486]  ? sysfs_warn_dup+0xa0/0xa0
[  322.659047][ T6486]  ? do_raw_spin_unlock+0x121/0x230
[  322.664294][ T6486]  kobject_add_internal+0x6b8/0xc70
[  322.669551][ T6486]  kobject_init_and_add+0x126/0x190
[  322.674801][ T6486]  ? lockdep_softirqs_off+0x430/0x430
[  322.680219][ T6486]  ? kobject_add+0x220/0x220
[  322.684853][ T6486]  ? __init_swait_queue_head+0xa9/0x150
[  322.690435][ T6486]  gfs2_sys_fs_add+0x238/0x470
[  322.695245][ T6486]  ? gfs2_recover_set+0x250/0x250
[  322.700330][ T6486]  ? apply_workqueue_attrs+0x180/0x180
[  322.705846][ T6486]  gfs2_fill_super+0x1323/0x1f80
[  322.710843][ T6486]  ? gfs2_reconfigure+0xb10/0xb10
[  322.715931][ T6486]  ? setup_bdev_super+0x56b/0x660
[  322.721008][ T6486]  get_tree_bdev+0x3e4/0x510
[  322.725627][ T6486]  ? end_current_label_crit_section+0x170/0x170
[  322.731887][ T6486]  ? gfs2_reconfigure+0xb10/0xb10
[  322.736931][ T6486]  ? setup_bdev_super+0x660/0x660
[  322.741992][ T6486]  gfs2_get_tree+0x51/0x1e0
[  322.746524][ T6486]  vfs_get_tree+0x8c/0x280
[  322.750965][ T6486]  do_new_mount+0x24b/0xa40
[  322.755486][ T6486]  __se_sys_mount+0x2da/0x3c0
[  322.760191][ T6486]  ? __x64_sys_mount+0xc0/0xc0
[  322.764981][ T6486]  ? lockdep_hardirqs_on+0x98/0x150
[  322.770195][ T6486]  ? __x64_sys_mount+0x20/0xc0
[  322.774971][ T6486]  do_syscall_64+0x55/0xb0
[  322.779405][ T6486]  ? clear_bhb_loop+0x40/0x90
[  322.784113][ T6486]  ? clear_bhb_loop+0x40/0x90
[  322.788810][ T6486]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  322.794737][ T6486] RIP: 0033:0x7f8155d90eea
[  322.799170][ T6486] 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
[  322.818792][ T6486] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  322.827219][ T6486] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  322.835205][ T6486] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  322.843191][ T6486] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  322.851180][ T6486] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  322.859162][ T6486] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  322.867163][ T6486]  </TASK>
[  322.885024][ T6486] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  322.901302][ T6486] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/02 11:02:21 executed programs: 171
[  323.262452][ T6489] loop1: detected capacity change from 0 to 32768
[  323.279390][ T6489] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  323.287119][ T6489] CPU: 1 PID: 6489 Comm: syz.1.186 Not tainted syzkaller #0
[  323.294436][ T6489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  323.304519][ T6489] Call Trace:
[  323.307834][ T6489]  <TASK>
[  323.310803][ T6489]  dump_stack_lvl+0x16c/0x230
[  323.315542][ T6489]  ? show_regs_print_info+0x20/0x20
[  323.320828][ T6489]  ? load_image+0x3b0/0x3b0
[  323.325400][ T6489]  sysfs_create_dir_ns+0x256/0x280
[  323.330585][ T6489]  ? sysfs_warn_dup+0xa0/0xa0
[  323.335307][ T6489]  ? do_raw_spin_unlock+0x121/0x230
[  323.340553][ T6489]  kobject_add_internal+0x6b8/0xc70
[  323.345813][ T6489]  kobject_init_and_add+0x126/0x190
[  323.351062][ T6489]  ? lockdep_softirqs_off+0x430/0x430
[  323.356462][ T6489]  ? kobject_add+0x220/0x220
[  323.361078][ T6489]  ? __init_swait_queue_head+0xa9/0x150
[  323.366645][ T6489]  gfs2_sys_fs_add+0x238/0x470
[  323.371435][ T6489]  ? gfs2_recover_set+0x250/0x250
[  323.376497][ T6489]  ? apply_workqueue_attrs+0x180/0x180
[  323.381997][ T6489]  gfs2_fill_super+0x1323/0x1f80
[  323.386985][ T6489]  ? gfs2_reconfigure+0xb10/0xb10
[  323.392050][ T6489]  ? setup_bdev_super+0x56b/0x660
[  323.397098][ T6489]  get_tree_bdev+0x3e4/0x510
[  323.401713][ T6489]  ? end_current_label_crit_section+0x170/0x170
[  323.407988][ T6489]  ? gfs2_reconfigure+0xb10/0xb10
[  323.413049][ T6489]  ? setup_bdev_super+0x660/0x660
[  323.418102][ T6489]  gfs2_get_tree+0x51/0x1e0
[  323.422661][ T6489]  vfs_get_tree+0x8c/0x280
[  323.427095][ T6489]  do_new_mount+0x24b/0xa40
[  323.431617][ T6489]  __se_sys_mount+0x2da/0x3c0
[  323.436312][ T6489]  ? __x64_sys_mount+0xc0/0xc0
[  323.441093][ T6489]  ? lockdep_hardirqs_on+0x98/0x150
[  323.446311][ T6489]  ? __x64_sys_mount+0x20/0xc0
[  323.451090][ T6489]  do_syscall_64+0x55/0xb0
[  323.455546][ T6489]  ? clear_bhb_loop+0x40/0x90
[  323.460237][ T6489]  ? clear_bhb_loop+0x40/0x90
[  323.464926][ T6489]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  323.470836][ T6489] RIP: 0033:0x7f8155d90eea
[  323.475276][ T6489] 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
[  323.494901][ T6489] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  323.503362][ T6489] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  323.511374][ T6489] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  323.519368][ T6489] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  323.527378][ T6489] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  323.535366][ T6489] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  323.543364][ T6489]  </TASK>
[  323.548508][ T6489] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  323.562517][ T6489] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  323.934634][ T6492] loop1: detected capacity change from 0 to 32768
[  323.950375][ T6492] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  323.958448][ T6492] CPU: 1 PID: 6492 Comm: syz.1.187 Not tainted syzkaller #0
[  323.965767][ T6492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  323.975861][ T6492] Call Trace:
[  323.979161][ T6492]  <TASK>
[  323.982156][ T6492]  dump_stack_lvl+0x16c/0x230
[  323.986896][ T6492]  ? show_regs_print_info+0x20/0x20
[  323.992145][ T6492]  ? load_image+0x3b0/0x3b0
[  323.996720][ T6492]  sysfs_create_dir_ns+0x256/0x280
[  324.001899][ T6492]  ? sysfs_warn_dup+0xa0/0xa0
[  324.006621][ T6492]  ? do_raw_spin_unlock+0x121/0x230
[  324.011874][ T6492]  kobject_add_internal+0x6b8/0xc70
[  324.017135][ T6492]  kobject_init_and_add+0x126/0x190
[  324.022383][ T6492]  ? lockdep_softirqs_off+0x430/0x430
[  324.027800][ T6492]  ? kobject_add+0x220/0x220
[  324.032453][ T6492]  ? __init_swait_queue_head+0xa9/0x150
[  324.038058][ T6492]  gfs2_sys_fs_add+0x238/0x470
[  324.042873][ T6492]  ? gfs2_recover_set+0x250/0x250
[  324.047941][ T6492]  ? apply_workqueue_attrs+0x180/0x180
[  324.053451][ T6492]  gfs2_fill_super+0x1323/0x1f80
[  324.058449][ T6492]  ? gfs2_reconfigure+0xb10/0xb10
[  324.063528][ T6492]  ? setup_bdev_super+0x56b/0x660
[  324.068593][ T6492]  get_tree_bdev+0x3e4/0x510
[  324.073219][ T6492]  ? end_current_label_crit_section+0x170/0x170
[  324.079483][ T6492]  ? gfs2_reconfigure+0xb10/0xb10
[  324.084526][ T6492]  ? setup_bdev_super+0x660/0x660
[  324.089579][ T6492]  gfs2_get_tree+0x51/0x1e0
[  324.094103][ T6492]  vfs_get_tree+0x8c/0x280
[  324.098569][ T6492]  do_new_mount+0x24b/0xa40
[  324.103113][ T6492]  __se_sys_mount+0x2da/0x3c0
[  324.107819][ T6492]  ? __x64_sys_mount+0xc0/0xc0
[  324.112604][ T6492]  ? lockdep_hardirqs_on+0x98/0x150
[  324.117844][ T6492]  ? __x64_sys_mount+0x20/0xc0
[  324.122626][ T6492]  do_syscall_64+0x55/0xb0
[  324.127057][ T6492]  ? clear_bhb_loop+0x40/0x90
[  324.131743][ T6492]  ? clear_bhb_loop+0x40/0x90
[  324.136438][ T6492]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  324.142354][ T6492] RIP: 0033:0x7f8155d90eea
[  324.146825][ T6492] 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
[  324.166443][ T6492] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  324.174870][ T6492] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  324.182881][ T6492] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  324.190861][ T6492] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  324.198839][ T6492] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  324.206826][ T6492] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  324.214832][ T6492]  </TASK>
[  324.218623][ T6492] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  324.239273][ T6492] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  324.600967][ T6495] loop1: detected capacity change from 0 to 32768
[  324.610512][ T6495] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  324.618690][ T6495] CPU: 1 PID: 6495 Comm: syz.1.188 Not tainted syzkaller #0
[  324.626017][ T6495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  324.636101][ T6495] Call Trace:
[  324.639411][ T6495]  <TASK>
[  324.642384][ T6495]  dump_stack_lvl+0x16c/0x230
[  324.647123][ T6495]  ? show_regs_print_info+0x20/0x20
[  324.652374][ T6495]  ? load_image+0x3b0/0x3b0
[  324.656928][ T6495]  sysfs_create_dir_ns+0x256/0x280
[  324.662119][ T6495]  ? sysfs_warn_dup+0xa0/0xa0
[  324.666849][ T6495]  ? do_raw_spin_unlock+0x121/0x230
[  324.672093][ T6495]  kobject_add_internal+0x6b8/0xc70
[  324.677332][ T6495]  kobject_init_and_add+0x126/0x190
[  324.682563][ T6495]  ? lockdep_softirqs_off+0x430/0x430
[  324.687982][ T6495]  ? kobject_add+0x220/0x220
[  324.692626][ T6495]  ? __init_swait_queue_head+0xa9/0x150
[  324.698214][ T6495]  gfs2_sys_fs_add+0x238/0x470
[  324.703013][ T6495]  ? gfs2_recover_set+0x250/0x250
[  324.708085][ T6495]  ? apply_workqueue_attrs+0x180/0x180
[  324.713617][ T6495]  gfs2_fill_super+0x1323/0x1f80
[  324.718609][ T6495]  ? gfs2_reconfigure+0xb10/0xb10
[  324.723695][ T6495]  ? setup_bdev_super+0x56b/0x660
[  324.728759][ T6495]  get_tree_bdev+0x3e4/0x510
[  324.733393][ T6495]  ? end_current_label_crit_section+0x170/0x170
[  324.739681][ T6495]  ? gfs2_reconfigure+0xb10/0xb10
[  324.744737][ T6495]  ? setup_bdev_super+0x660/0x660
[  324.749805][ T6495]  gfs2_get_tree+0x51/0x1e0
[  324.754373][ T6495]  vfs_get_tree+0x8c/0x280
[  324.758825][ T6495]  do_new_mount+0x24b/0xa40
[  324.763381][ T6495]  __se_sys_mount+0x2da/0x3c0
[  324.768104][ T6495]  ? __x64_sys_mount+0xc0/0xc0
[  324.772909][ T6495]  ? lockdep_hardirqs_on+0x98/0x150
[  324.778150][ T6495]  ? __x64_sys_mount+0x20/0xc0
[  324.782953][ T6495]  do_syscall_64+0x55/0xb0
[  324.787403][ T6495]  ? clear_bhb_loop+0x40/0x90
[  324.792120][ T6495]  ? clear_bhb_loop+0x40/0x90
[  324.796844][ T6495]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  324.802779][ T6495] RIP: 0033:0x7f8155d90eea
[  324.807233][ T6495] 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
[  324.826870][ T6495] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  324.835315][ T6495] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  324.843321][ T6495] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  324.851306][ T6495] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  324.859289][ T6495] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  324.867286][ T6495] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  324.875271][ T6495]  </TASK>
[  324.878984][ T6495] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  324.892998][ T6495] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  325.289776][ T6498] loop1: detected capacity change from 0 to 32768
[  325.303029][ T6498] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  325.310532][ T6498] CPU: 1 PID: 6498 Comm: syz.1.189 Not tainted syzkaller #0
[  325.317871][ T6498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  325.327957][ T6498] Call Trace:
[  325.331266][ T6498]  <TASK>
[  325.334232][ T6498]  dump_stack_lvl+0x16c/0x230
[  325.338982][ T6498]  ? show_regs_print_info+0x20/0x20
[  325.344234][ T6498]  ? load_image+0x3b0/0x3b0
[  325.348852][ T6498]  sysfs_create_dir_ns+0x256/0x280
[  325.354024][ T6498]  ? sysfs_warn_dup+0xa0/0xa0
[  325.358768][ T6498]  ? do_raw_spin_unlock+0x121/0x230
[  325.364051][ T6498]  kobject_add_internal+0x6b8/0xc70
[  325.369285][ T6498]  kobject_init_and_add+0x126/0x190
[  325.374500][ T6498]  ? lockdep_softirqs_off+0x430/0x430
[  325.379893][ T6498]  ? kobject_add+0x220/0x220
[  325.384505][ T6498]  ? __init_swait_queue_head+0xa9/0x150
[  325.390094][ T6498]  gfs2_sys_fs_add+0x238/0x470
[  325.394905][ T6498]  ? gfs2_recover_set+0x250/0x250
[  325.399954][ T6498]  ? apply_workqueue_attrs+0x180/0x180
[  325.405447][ T6498]  gfs2_fill_super+0x1323/0x1f80
[  325.410421][ T6498]  ? gfs2_reconfigure+0xb10/0xb10
[  325.415476][ T6498]  ? setup_bdev_super+0x56b/0x660
[  325.420540][ T6498]  get_tree_bdev+0x3e4/0x510
[  325.425145][ T6498]  ? end_current_label_crit_section+0x170/0x170
[  325.431412][ T6498]  ? gfs2_reconfigure+0xb10/0xb10
[  325.436480][ T6498]  ? setup_bdev_super+0x660/0x660
[  325.441540][ T6498]  gfs2_get_tree+0x51/0x1e0
[  325.446072][ T6498]  vfs_get_tree+0x8c/0x280
[  325.450505][ T6498]  do_new_mount+0x24b/0xa40
[  325.455029][ T6498]  __se_sys_mount+0x2da/0x3c0
[  325.459734][ T6498]  ? __x64_sys_mount+0xc0/0xc0
[  325.464530][ T6498]  ? lockdep_hardirqs_on+0x98/0x150
[  325.469742][ T6498]  ? __x64_sys_mount+0x20/0xc0
[  325.474526][ T6498]  do_syscall_64+0x55/0xb0
[  325.478971][ T6498]  ? clear_bhb_loop+0x40/0x90
[  325.483671][ T6498]  ? clear_bhb_loop+0x40/0x90
[  325.488415][ T6498]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  325.494346][ T6498] RIP: 0033:0x7f8155d90eea
[  325.498796][ T6498] 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
[  325.518422][ T6498] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  325.526872][ T6498] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  325.534897][ T6498] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  325.542902][ T6498] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  325.550887][ T6498] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  325.558908][ T6498] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  325.566918][ T6498]  </TASK>
[  325.575604][ T6498] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  325.590040][ T6498] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  325.978179][ T6501] loop1: detected capacity change from 0 to 32768
[  325.994775][ T6501] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  326.002213][ T6501] CPU: 1 PID: 6501 Comm: syz.1.190 Not tainted syzkaller #0
[  326.009533][ T6501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  326.019622][ T6501] Call Trace:
[  326.022934][ T6501]  <TASK>
[  326.025905][ T6501]  dump_stack_lvl+0x16c/0x230
[  326.030644][ T6501]  ? show_regs_print_info+0x20/0x20
[  326.035888][ T6501]  ? load_image+0x3b0/0x3b0
[  326.040441][ T6501]  sysfs_create_dir_ns+0x256/0x280
[  326.045603][ T6501]  ? sysfs_warn_dup+0xa0/0xa0
[  326.050324][ T6501]  ? do_raw_spin_unlock+0x121/0x230
[  326.055568][ T6501]  kobject_add_internal+0x6b8/0xc70
[  326.060806][ T6501]  kobject_init_and_add+0x126/0x190
[  326.066044][ T6501]  ? lockdep_softirqs_off+0x430/0x430
[  326.071453][ T6501]  ? kobject_add+0x220/0x220
[  326.076066][ T6501]  ? __init_swait_queue_head+0xa9/0x150
[  326.081636][ T6501]  gfs2_sys_fs_add+0x238/0x470
[  326.086425][ T6501]  ? gfs2_recover_set+0x250/0x250
[  326.091475][ T6501]  ? apply_workqueue_attrs+0x180/0x180
[  326.096967][ T6501]  gfs2_fill_super+0x1323/0x1f80
[  326.101934][ T6501]  ? gfs2_reconfigure+0xb10/0xb10
[  326.106985][ T6501]  ? setup_bdev_super+0x56b/0x660
[  326.112025][ T6501]  get_tree_bdev+0x3e4/0x510
[  326.116633][ T6501]  ? end_current_label_crit_section+0x170/0x170
[  326.122918][ T6501]  ? gfs2_reconfigure+0xb10/0xb10
[  326.127965][ T6501]  ? setup_bdev_super+0x660/0x660
[  326.133073][ T6501]  gfs2_get_tree+0x51/0x1e0
[  326.137608][ T6501]  vfs_get_tree+0x8c/0x280
[  326.142047][ T6501]  do_new_mount+0x24b/0xa40
[  326.146577][ T6501]  __se_sys_mount+0x2da/0x3c0
[  326.151290][ T6501]  ? __x64_sys_mount+0xc0/0xc0
[  326.156085][ T6501]  ? lockdep_hardirqs_on+0x98/0x150
[  326.161310][ T6501]  ? __x64_sys_mount+0x20/0xc0
[  326.166093][ T6501]  do_syscall_64+0x55/0xb0
[  326.170522][ T6501]  ? clear_bhb_loop+0x40/0x90
[  326.175219][ T6501]  ? clear_bhb_loop+0x40/0x90
[  326.179914][ T6501]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  326.185818][ T6501] RIP: 0033:0x7f8155d90eea
[  326.190253][ T6501] 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
[  326.209879][ T6501] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  326.218314][ T6501] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  326.226298][ T6501] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  326.234289][ T6501] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  326.242284][ T6501] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  326.250276][ T6501] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  326.258269][ T6501]  </TASK>
[  326.277372][ T6501] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  326.294043][ T6501] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  326.669325][ T6504] loop1: detected capacity change from 0 to 32768
[  326.685451][ T6504] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  326.692898][ T6504] CPU: 0 PID: 6504 Comm: syz.1.191 Not tainted syzkaller #0
[  326.700233][ T6504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  326.710332][ T6504] Call Trace:
[  326.713645][ T6504]  <TASK>
[  326.716631][ T6504]  dump_stack_lvl+0x16c/0x230
[  326.721363][ T6504]  ? show_regs_print_info+0x20/0x20
[  326.726604][ T6504]  ? load_image+0x3b0/0x3b0
[  326.731175][ T6504]  sysfs_create_dir_ns+0x256/0x280
[  326.736342][ T6504]  ? sysfs_warn_dup+0xa0/0xa0
[  326.741068][ T6504]  ? do_raw_spin_unlock+0x121/0x230
[  326.746347][ T6504]  kobject_add_internal+0x6b8/0xc70
[  326.751591][ T6504]  kobject_init_and_add+0x126/0x190
[  326.756851][ T6504]  ? lockdep_softirqs_off+0x430/0x430
[  326.762261][ T6504]  ? kobject_add+0x220/0x220
[  326.766893][ T6504]  ? __init_swait_queue_head+0xa9/0x150
[  326.772477][ T6504]  gfs2_sys_fs_add+0x238/0x470
[  326.777279][ T6504]  ? gfs2_recover_set+0x250/0x250
[  326.782392][ T6504]  ? apply_workqueue_attrs+0x180/0x180
[  326.787904][ T6504]  gfs2_fill_super+0x1323/0x1f80
[  326.792910][ T6504]  ? gfs2_reconfigure+0xb10/0xb10
[  326.797983][ T6504]  ? setup_bdev_super+0x56b/0x660
[  326.803138][ T6504]  get_tree_bdev+0x3e4/0x510
[  326.807759][ T6504]  ? end_current_label_crit_section+0x170/0x170
[  326.814042][ T6504]  ? gfs2_reconfigure+0xb10/0xb10
[  326.819111][ T6504]  ? setup_bdev_super+0x660/0x660
[  326.824192][ T6504]  gfs2_get_tree+0x51/0x1e0
[  326.828751][ T6504]  vfs_get_tree+0x8c/0x280
[  326.833216][ T6504]  do_new_mount+0x24b/0xa40
[  326.837750][ T6504]  __se_sys_mount+0x2da/0x3c0
[  326.842438][ T6504]  ? __x64_sys_mount+0xc0/0xc0
[  326.847258][ T6504]  ? lockdep_hardirqs_on+0x98/0x150
[  326.852486][ T6504]  ? __x64_sys_mount+0x20/0xc0
[  326.857256][ T6504]  do_syscall_64+0x55/0xb0
[  326.861684][ T6504]  ? clear_bhb_loop+0x40/0x90
[  326.866376][ T6504]  ? clear_bhb_loop+0x40/0x90
[  326.871207][ T6504]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  326.877146][ T6504] RIP: 0033:0x7f8155d90eea
[  326.881578][ T6504] 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
[  326.901224][ T6504] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  326.909683][ T6504] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  326.917669][ T6504] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  326.925660][ T6504] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  326.933665][ T6504] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  326.941656][ T6504] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  326.949646][ T6504]  </TASK>
[  326.953773][ T6504] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  326.970006][ T6504] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  327.407777][ T6507] loop1: detected capacity change from 0 to 32768
[  327.426765][ T6507] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  327.434284][ T6507] CPU: 0 PID: 6507 Comm: syz.1.192 Not tainted syzkaller #0
[  327.441641][ T6507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  327.451751][ T6507] Call Trace:
[  327.455064][ T6507]  <TASK>
[  327.458022][ T6507]  dump_stack_lvl+0x16c/0x230
[  327.462746][ T6507]  ? show_regs_print_info+0x20/0x20
[  327.467996][ T6507]  ? load_image+0x3b0/0x3b0
[  327.472574][ T6507]  sysfs_create_dir_ns+0x256/0x280
[  327.477753][ T6507]  ? sysfs_warn_dup+0xa0/0xa0
[  327.482509][ T6507]  ? do_raw_spin_unlock+0x121/0x230
[  327.487747][ T6507]  kobject_add_internal+0x6b8/0xc70
[  327.492998][ T6507]  kobject_init_and_add+0x126/0x190
[  327.498228][ T6507]  ? lockdep_softirqs_off+0x430/0x430
[  327.503631][ T6507]  ? kobject_add+0x220/0x220
[  327.508256][ T6507]  ? __init_swait_queue_head+0xa9/0x150
[  327.513844][ T6507]  gfs2_sys_fs_add+0x238/0x470
[  327.518671][ T6507]  ? gfs2_recover_set+0x250/0x250
[  327.523745][ T6507]  ? apply_workqueue_attrs+0x180/0x180
[  327.529257][ T6507]  gfs2_fill_super+0x1323/0x1f80
[  327.534258][ T6507]  ? gfs2_reconfigure+0xb10/0xb10
[  327.539337][ T6507]  ? setup_bdev_super+0x56b/0x660
[  327.544397][ T6507]  get_tree_bdev+0x3e4/0x510
[  327.549033][ T6507]  ? end_current_label_crit_section+0x170/0x170
[  327.555324][ T6507]  ? gfs2_reconfigure+0xb10/0xb10
[  327.560395][ T6507]  ? setup_bdev_super+0x660/0x660
[  327.565468][ T6507]  gfs2_get_tree+0x51/0x1e0
[  327.570037][ T6507]  vfs_get_tree+0x8c/0x280
[  327.574487][ T6507]  do_new_mount+0x24b/0xa40
[  327.579046][ T6507]  __se_sys_mount+0x2da/0x3c0
[  327.583762][ T6507]  ? __x64_sys_mount+0xc0/0xc0
[  327.588581][ T6507]  ? lockdep_hardirqs_on+0x98/0x150
[  327.593836][ T6507]  ? __x64_sys_mount+0x20/0xc0
[  327.598647][ T6507]  do_syscall_64+0x55/0xb0
[  327.603102][ T6507]  ? clear_bhb_loop+0x40/0x90
[  327.607827][ T6507]  ? clear_bhb_loop+0x40/0x90
[  327.612536][ T6507]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  327.618476][ T6507] RIP: 0033:0x7f8155d90eea
[  327.622919][ T6507] 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
[  327.642562][ T6507] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  327.651031][ T6507] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  327.659046][ T6507] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  327.667052][ T6507] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  327.675046][ T6507] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  327.683040][ T6507] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  327.691055][ T6507]  </TASK>
[  327.703509][ T6507] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  327.718458][ T6507] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  328.268844][ T6510] loop1: detected capacity change from 0 to 32768
[  328.283506][ T6510] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  328.291286][ T6510] CPU: 1 PID: 6510 Comm: syz.1.193 Not tainted syzkaller #0
[  328.298627][ T6510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  328.308714][ T6510] Call Trace:
[  328.312022][ T6510]  <TASK>
[  328.314982][ T6510]  dump_stack_lvl+0x16c/0x230
[  328.319703][ T6510]  ? show_regs_print_info+0x20/0x20
[  328.324952][ T6510]  ? load_image+0x3b0/0x3b0
[  328.329565][ T6510]  sysfs_create_dir_ns+0x256/0x280
[  328.334735][ T6510]  ? sysfs_warn_dup+0xa0/0xa0
[  328.339473][ T6510]  ? do_raw_spin_unlock+0x121/0x230
[  328.344743][ T6510]  kobject_add_internal+0x6b8/0xc70
[  328.349993][ T6510]  kobject_init_and_add+0x126/0x190
[  328.355225][ T6510]  ? lockdep_softirqs_off+0x430/0x430
[  328.360634][ T6510]  ? kobject_add+0x220/0x220
[  328.365268][ T6510]  ? __init_swait_queue_head+0xa9/0x150
[  328.370852][ T6510]  gfs2_sys_fs_add+0x238/0x470
[  328.375660][ T6510]  ? gfs2_recover_set+0x250/0x250
[  328.380758][ T6510]  ? apply_workqueue_attrs+0x180/0x180
[  328.386267][ T6510]  gfs2_fill_super+0x1323/0x1f80
[  328.391264][ T6510]  ? gfs2_reconfigure+0xb10/0xb10
[  328.396345][ T6510]  ? setup_bdev_super+0x56b/0x660
[  328.401431][ T6510]  get_tree_bdev+0x3e4/0x510
[  328.406058][ T6510]  ? end_current_label_crit_section+0x170/0x170
[  328.412353][ T6510]  ? gfs2_reconfigure+0xb10/0xb10
[  328.417420][ T6510]  ? setup_bdev_super+0x660/0x660
[  328.422505][ T6510]  gfs2_get_tree+0x51/0x1e0
[  328.427066][ T6510]  vfs_get_tree+0x8c/0x280
[  328.431517][ T6510]  do_new_mount+0x24b/0xa40
[  328.436061][ T6510]  __se_sys_mount+0x2da/0x3c0
[  328.440799][ T6510]  ? __x64_sys_mount+0xc0/0xc0
[  328.445604][ T6510]  ? lockdep_hardirqs_on+0x98/0x150
[  328.450839][ T6510]  ? __x64_sys_mount+0x20/0xc0
[  328.455652][ T6510]  do_syscall_64+0x55/0xb0
[  328.460101][ T6510]  ? clear_bhb_loop+0x40/0x90
[  328.464823][ T6510]  ? clear_bhb_loop+0x40/0x90
[  328.469562][ T6510]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  328.475486][ T6510] RIP: 0033:0x7f8155d90eea
[  328.479935][ T6510] 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
[  328.499634][ T6510] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  328.508106][ T6510] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  328.516115][ T6510] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  328.524118][ T6510] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  328.532116][ T6510] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  328.540121][ T6510] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  328.548138][ T6510]  </TASK>
[  328.556884][ T6510] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  328.571262][ T6510] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/02 11:02:27 executed programs: 179
[  328.930294][ T6513] loop1: detected capacity change from 0 to 32768
[  328.943291][ T6513] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  328.950761][ T6513] CPU: 0 PID: 6513 Comm: syz.1.194 Not tainted syzkaller #0
[  328.958081][ T6513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  328.968160][ T6513] Call Trace:
[  328.971456][ T6513]  <TASK>
[  328.974412][ T6513]  dump_stack_lvl+0x16c/0x230
[  328.979132][ T6513]  ? show_regs_print_info+0x20/0x20
[  328.984375][ T6513]  ? load_image+0x3b0/0x3b0
[  328.988941][ T6513]  sysfs_create_dir_ns+0x256/0x280
[  328.994114][ T6513]  ? sysfs_warn_dup+0xa0/0xa0
[  328.998838][ T6513]  ? do_raw_spin_unlock+0x121/0x230
[  329.004075][ T6513]  kobject_add_internal+0x6b8/0xc70
[  329.009342][ T6513]  kobject_init_and_add+0x126/0x190
[  329.014611][ T6513]  ? lockdep_softirqs_off+0x430/0x430
[  329.020034][ T6513]  ? kobject_add+0x220/0x220
[  329.024681][ T6513]  ? __init_swait_queue_head+0xa9/0x150
[  329.030280][ T6513]  gfs2_sys_fs_add+0x238/0x470
[  329.035090][ T6513]  ? gfs2_recover_set+0x250/0x250
[  329.040167][ T6513]  ? apply_workqueue_attrs+0x180/0x180
[  329.045704][ T6513]  gfs2_fill_super+0x1323/0x1f80
[  329.050718][ T6513]  ? gfs2_reconfigure+0xb10/0xb10
[  329.055793][ T6513]  ? setup_bdev_super+0x56b/0x660
[  329.060854][ T6513]  get_tree_bdev+0x3e4/0x510
[  329.065474][ T6513]  ? end_current_label_crit_section+0x170/0x170
[  329.071752][ T6513]  ? gfs2_reconfigure+0xb10/0xb10
[  329.076813][ T6513]  ? setup_bdev_super+0x660/0x660
[  329.081878][ T6513]  gfs2_get_tree+0x51/0x1e0
[  329.086454][ T6513]  vfs_get_tree+0x8c/0x280
[  329.090896][ T6513]  do_new_mount+0x24b/0xa40
[  329.095433][ T6513]  __se_sys_mount+0x2da/0x3c0
[  329.100145][ T6513]  ? __x64_sys_mount+0xc0/0xc0
[  329.104943][ T6513]  ? lockdep_hardirqs_on+0x98/0x150
[  329.110172][ T6513]  ? __x64_sys_mount+0x20/0xc0
[  329.114973][ T6513]  do_syscall_64+0x55/0xb0
[  329.119443][ T6513]  ? clear_bhb_loop+0x40/0x90
[  329.124162][ T6513]  ? clear_bhb_loop+0x40/0x90
[  329.128877][ T6513]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  329.134810][ T6513] RIP: 0033:0x7f8155d90eea
[  329.139249][ T6513] 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
[  329.158879][ T6513] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  329.167341][ T6513] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  329.175345][ T6513] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  329.183349][ T6513] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  329.191357][ T6513] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  329.199368][ T6513] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  329.207407][ T6513]  </TASK>
[  329.217609][ T6513] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  329.234510][ T6513] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  329.586042][ T6516] loop1: detected capacity change from 0 to 32768
[  329.604080][ T6516] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  329.611563][ T6516] CPU: 0 PID: 6516 Comm: syz.1.195 Not tainted syzkaller #0
[  329.618896][ T6516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  329.628988][ T6516] Call Trace:
[  329.632339][ T6516]  <TASK>
[  329.635307][ T6516]  dump_stack_lvl+0x16c/0x230
[  329.640030][ T6516]  ? show_regs_print_info+0x20/0x20
[  329.645268][ T6516]  ? load_image+0x3b0/0x3b0
[  329.649827][ T6516]  sysfs_create_dir_ns+0x256/0x280
[  329.654984][ T6516]  ? sysfs_warn_dup+0xa0/0xa0
[  329.659706][ T6516]  ? do_raw_spin_unlock+0x121/0x230
[  329.664954][ T6516]  kobject_add_internal+0x6b8/0xc70
[  329.670208][ T6516]  kobject_init_and_add+0x126/0x190
[  329.675446][ T6516]  ? lockdep_softirqs_off+0x430/0x430
[  329.680858][ T6516]  ? kobject_add+0x220/0x220
[  329.685502][ T6516]  ? __init_swait_queue_head+0xa9/0x150
[  329.691093][ T6516]  gfs2_sys_fs_add+0x238/0x470
[  329.695908][ T6516]  ? gfs2_recover_set+0x250/0x250
[  329.700975][ T6516]  ? apply_workqueue_attrs+0x180/0x180
[  329.706491][ T6516]  gfs2_fill_super+0x1323/0x1f80
[  329.711494][ T6516]  ? gfs2_reconfigure+0xb10/0xb10
[  329.716577][ T6516]  ? setup_bdev_super+0x56b/0x660
[  329.721660][ T6516]  get_tree_bdev+0x3e4/0x510
[  329.726288][ T6516]  ? end_current_label_crit_section+0x170/0x170
[  329.732580][ T6516]  ? gfs2_reconfigure+0xb10/0xb10
[  329.737658][ T6516]  ? setup_bdev_super+0x660/0x660
[  329.742731][ T6516]  gfs2_get_tree+0x51/0x1e0
[  329.747283][ T6516]  vfs_get_tree+0x8c/0x280
[  329.751735][ T6516]  do_new_mount+0x24b/0xa40
[  329.756310][ T6516]  __se_sys_mount+0x2da/0x3c0
[  329.761031][ T6516]  ? __x64_sys_mount+0xc0/0xc0
[  329.765826][ T6516]  ? lockdep_hardirqs_on+0x98/0x150
[  329.771055][ T6516]  ? __x64_sys_mount+0x20/0xc0
[  329.775849][ T6516]  do_syscall_64+0x55/0xb0
[  329.780300][ T6516]  ? clear_bhb_loop+0x40/0x90
[  329.785017][ T6516]  ? clear_bhb_loop+0x40/0x90
[  329.789731][ T6516]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  329.795655][ T6516] RIP: 0033:0x7f8155d90eea
[  329.800104][ T6516] 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
[  329.819747][ T6516] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  329.828206][ T6516] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  329.836216][ T6516] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  329.844220][ T6516] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  329.852221][ T6516] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  329.860225][ T6516] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  329.868246][ T6516]  </TASK>
[  329.873240][ T6516] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  329.877957][ T5877] Bluetooth: hci1: command 0x0406 tx timeout
[  329.902335][ T6516] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  330.265756][ T6520] loop1: detected capacity change from 0 to 32768
[  330.282513][ T6520] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  330.290098][ T6520] CPU: 0 PID: 6520 Comm: syz.1.196 Not tainted syzkaller #0
[  330.297434][ T6520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  330.307556][ T6520] Call Trace:
[  330.310850][ T6520]  <TASK>
[  330.313792][ T6520]  dump_stack_lvl+0x16c/0x230
[  330.318494][ T6520]  ? show_regs_print_info+0x20/0x20
[  330.323751][ T6520]  ? load_image+0x3b0/0x3b0
[  330.328317][ T6520]  sysfs_create_dir_ns+0x256/0x280
[  330.333458][ T6520]  ? sysfs_warn_dup+0xa0/0xa0
[  330.338156][ T6520]  ? do_raw_spin_unlock+0x121/0x230
[  330.343373][ T6520]  kobject_add_internal+0x6b8/0xc70
[  330.348599][ T6520]  kobject_init_and_add+0x126/0x190
[  330.353826][ T6520]  ? lockdep_softirqs_off+0x430/0x430
[  330.359216][ T6520]  ? kobject_add+0x220/0x220
[  330.363836][ T6520]  ? __init_swait_queue_head+0xa9/0x150
[  330.369422][ T6520]  gfs2_sys_fs_add+0x238/0x470
[  330.374207][ T6520]  ? gfs2_recover_set+0x250/0x250
[  330.379284][ T6520]  ? apply_workqueue_attrs+0x180/0x180
[  330.384783][ T6520]  gfs2_fill_super+0x1323/0x1f80
[  330.389752][ T6520]  ? gfs2_reconfigure+0xb10/0xb10
[  330.394809][ T6520]  ? setup_bdev_super+0x56b/0x660
[  330.399851][ T6520]  get_tree_bdev+0x3e4/0x510
[  330.404453][ T6520]  ? end_current_label_crit_section+0x170/0x170
[  330.410732][ T6520]  ? gfs2_reconfigure+0xb10/0xb10
[  330.415775][ T6520]  ? setup_bdev_super+0x660/0x660
[  330.420824][ T6520]  gfs2_get_tree+0x51/0x1e0
[  330.425354][ T6520]  vfs_get_tree+0x8c/0x280
[  330.429790][ T6520]  do_new_mount+0x24b/0xa40
[  330.434311][ T6520]  __se_sys_mount+0x2da/0x3c0
[  330.439007][ T6520]  ? __x64_sys_mount+0xc0/0xc0
[  330.443787][ T6520]  ? lockdep_hardirqs_on+0x98/0x150
[  330.449011][ T6520]  ? __x64_sys_mount+0x20/0xc0
[  330.453795][ T6520]  do_syscall_64+0x55/0xb0
[  330.458220][ T6520]  ? clear_bhb_loop+0x40/0x90
[  330.462912][ T6520]  ? clear_bhb_loop+0x40/0x90
[  330.467616][ T6520]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  330.473533][ T6520] RIP: 0033:0x7f8155d90eea
[  330.477963][ T6520] 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
[  330.497586][ T6520] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  330.506040][ T6520] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  330.514030][ T6520] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  330.522020][ T6520] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  330.530009][ T6520] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  330.537998][ T6520] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  330.546004][ T6520]  </TASK>
[  330.556151][ T6520] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  330.570225][ T6520] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  330.956539][ T6523] loop1: detected capacity change from 0 to 32768
[  330.967515][ T6523] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  330.980252][ T6523] CPU: 1 PID: 6523 Comm: syz.1.197 Not tainted syzkaller #0
[  330.987602][ T6523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  330.997697][ T6523] Call Trace:
[  331.001019][ T6523]  <TASK>
[  331.003979][ T6523]  dump_stack_lvl+0x16c/0x230
[  331.008706][ T6523]  ? show_regs_print_info+0x20/0x20
[  331.013956][ T6523]  ? load_image+0x3b0/0x3b0
[  331.018514][ T6523]  sysfs_create_dir_ns+0x256/0x280
[  331.023691][ T6523]  ? sysfs_warn_dup+0xa0/0xa0
[  331.028412][ T6523]  ? do_raw_spin_unlock+0x121/0x230
[  331.033656][ T6523]  kobject_add_internal+0x6b8/0xc70
[  331.038895][ T6523]  kobject_init_and_add+0x126/0x190
[  331.044141][ T6523]  ? lockdep_softirqs_off+0x430/0x430
[  331.049565][ T6523]  ? kobject_add+0x220/0x220
[  331.054210][ T6523]  ? __init_swait_queue_head+0xa9/0x150
[  331.059808][ T6523]  gfs2_sys_fs_add+0x238/0x470
[  331.064620][ T6523]  ? gfs2_recover_set+0x250/0x250
[  331.069694][ T6523]  ? apply_workqueue_attrs+0x180/0x180
[  331.075322][ T6523]  gfs2_fill_super+0x1323/0x1f80
[  331.080310][ T6523]  ? gfs2_reconfigure+0xb10/0xb10
[  331.085366][ T6523]  ? setup_bdev_super+0x56b/0x660
[  331.090411][ T6523]  get_tree_bdev+0x3e4/0x510
[  331.095024][ T6523]  ? end_current_label_crit_section+0x170/0x170
[  331.101287][ T6523]  ? gfs2_reconfigure+0xb10/0xb10
[  331.106341][ T6523]  ? setup_bdev_super+0x660/0x660
[  331.111389][ T6523]  gfs2_get_tree+0x51/0x1e0
[  331.115917][ T6523]  vfs_get_tree+0x8c/0x280
[  331.120351][ T6523]  do_new_mount+0x24b/0xa40
[  331.124881][ T6523]  __se_sys_mount+0x2da/0x3c0
[  331.129578][ T6523]  ? __x64_sys_mount+0xc0/0xc0
[  331.134362][ T6523]  ? lockdep_hardirqs_on+0x98/0x150
[  331.139586][ T6523]  ? __x64_sys_mount+0x20/0xc0
[  331.144382][ T6523]  do_syscall_64+0x55/0xb0
[  331.148839][ T6523]  ? clear_bhb_loop+0x40/0x90
[  331.153545][ T6523]  ? clear_bhb_loop+0x40/0x90
[  331.158240][ T6523]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  331.164158][ T6523] RIP: 0033:0x7f8155d90eea
[  331.168599][ T6523] 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
[  331.188232][ T6523] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  331.196682][ T6523] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  331.204687][ T6523] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  331.212707][ T6523] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  331.220712][ T6523] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  331.228709][ T6523] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  331.236723][ T6523]  </TASK>
[  331.245386][ T6523] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  331.261963][ T6523] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  331.664633][ T6526] loop1: detected capacity change from 0 to 32768
[  331.677338][ T6526] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  331.684939][ T6526] CPU: 0 PID: 6526 Comm: syz.1.198 Not tainted syzkaller #0
[  331.692266][ T6526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  331.702353][ T6526] Call Trace:
[  331.705672][ T6526]  <TASK>
[  331.708646][ T6526]  dump_stack_lvl+0x16c/0x230
[  331.713392][ T6526]  ? show_regs_print_info+0x20/0x20
[  331.718761][ T6526]  ? load_image+0x3b0/0x3b0
[  331.723322][ T6526]  sysfs_create_dir_ns+0x256/0x280
[  331.728539][ T6526]  ? sysfs_warn_dup+0xa0/0xa0
[  331.733280][ T6526]  ? do_raw_spin_unlock+0x121/0x230
[  331.738531][ T6526]  kobject_add_internal+0x6b8/0xc70
[  331.743779][ T6526]  kobject_init_and_add+0x126/0x190
[  331.749029][ T6526]  ? lockdep_softirqs_off+0x430/0x430
[  331.754452][ T6526]  ? kobject_add+0x220/0x220
[  331.759092][ T6526]  ? __init_swait_queue_head+0xa9/0x150
[  331.764699][ T6526]  gfs2_sys_fs_add+0x238/0x470
[  331.769504][ T6526]  ? gfs2_recover_set+0x250/0x250
[  331.774573][ T6526]  ? apply_workqueue_attrs+0x180/0x180
[  331.780088][ T6526]  gfs2_fill_super+0x1323/0x1f80
[  331.785107][ T6526]  ? gfs2_reconfigure+0xb10/0xb10
[  331.790189][ T6526]  ? setup_bdev_super+0x56b/0x660
[  331.795255][ T6526]  get_tree_bdev+0x3e4/0x510
[  331.799924][ T6526]  ? end_current_label_crit_section+0x170/0x170
[  331.806206][ T6526]  ? gfs2_reconfigure+0xb10/0xb10
[  331.811275][ T6526]  ? setup_bdev_super+0x660/0x660
[  331.816351][ T6526]  gfs2_get_tree+0x51/0x1e0
[  331.820903][ T6526]  vfs_get_tree+0x8c/0x280
[  331.825390][ T6526]  do_new_mount+0x24b/0xa40
[  331.829959][ T6526]  __se_sys_mount+0x2da/0x3c0
[  331.834693][ T6526]  ? __x64_sys_mount+0xc0/0xc0
[  331.839584][ T6526]  ? lockdep_hardirqs_on+0x98/0x150
[  331.844795][ T6526]  ? __x64_sys_mount+0x20/0xc0
[  331.849571][ T6526]  do_syscall_64+0x55/0xb0
[  331.853995][ T6526]  ? clear_bhb_loop+0x40/0x90
[  331.858699][ T6526]  ? clear_bhb_loop+0x40/0x90
[  331.863387][ T6526]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  331.869289][ T6526] RIP: 0033:0x7f8155d90eea
[  331.873709][ T6526] 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
[  331.893333][ T6526] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  331.901774][ T6526] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  331.909752][ T6526] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  331.917740][ T6526] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  331.925719][ T6526] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  331.933699][ T6526] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  331.941687][ T6526]  </TASK>
[  331.945940][ T6526] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  331.960599][ T6526] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  332.373980][ T6529] loop1: detected capacity change from 0 to 32768
[  332.387273][ T6529] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  332.396363][ T6529] CPU: 0 PID: 6529 Comm: syz.1.199 Not tainted syzkaller #0
[  332.403701][ T6529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  332.413794][ T6529] Call Trace:
[  332.417086][ T6529]  <TASK>
[  332.420036][ T6529]  dump_stack_lvl+0x16c/0x230
[  332.424744][ T6529]  ? show_regs_print_info+0x20/0x20
[  332.429991][ T6529]  ? load_image+0x3b0/0x3b0
[  332.434529][ T6529]  sysfs_create_dir_ns+0x256/0x280
[  332.439674][ T6529]  ? sysfs_warn_dup+0xa0/0xa0
[  332.444378][ T6529]  ? do_raw_spin_unlock+0x121/0x230
[  332.449604][ T6529]  kobject_add_internal+0x6b8/0xc70
[  332.454831][ T6529]  kobject_init_and_add+0x126/0x190
[  332.460056][ T6529]  ? lockdep_softirqs_off+0x430/0x430
[  332.465487][ T6529]  ? kobject_add+0x220/0x220
[  332.470101][ T6529]  ? __init_swait_queue_head+0xa9/0x150
[  332.475675][ T6529]  gfs2_sys_fs_add+0x238/0x470
[  332.480459][ T6529]  ? gfs2_recover_set+0x250/0x250
[  332.485509][ T6529]  ? apply_workqueue_attrs+0x180/0x180
[  332.490999][ T6529]  gfs2_fill_super+0x1323/0x1f80
[  332.495978][ T6529]  ? gfs2_reconfigure+0xb10/0xb10
[  332.501038][ T6529]  ? setup_bdev_super+0x56b/0x660
[  332.506077][ T6529]  get_tree_bdev+0x3e4/0x510
[  332.510681][ T6529]  ? end_current_label_crit_section+0x170/0x170
[  332.516942][ T6529]  ? gfs2_reconfigure+0xb10/0xb10
[  332.522014][ T6529]  ? setup_bdev_super+0x660/0x660
[  332.527068][ T6529]  gfs2_get_tree+0x51/0x1e0
[  332.531612][ T6529]  vfs_get_tree+0x8c/0x280
[  332.536044][ T6529]  do_new_mount+0x24b/0xa40
[  332.540567][ T6529]  __se_sys_mount+0x2da/0x3c0
[  332.545276][ T6529]  ? __x64_sys_mount+0xc0/0xc0
[  332.550062][ T6529]  ? lockdep_hardirqs_on+0x98/0x150
[  332.555281][ T6529]  ? __x64_sys_mount+0x20/0xc0
[  332.560074][ T6529]  do_syscall_64+0x55/0xb0
[  332.564522][ T6529]  ? clear_bhb_loop+0x40/0x90
[  332.569234][ T6529]  ? clear_bhb_loop+0x40/0x90
[  332.573938][ T6529]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  332.579860][ T6529] RIP: 0033:0x7f8155d90eea
[  332.584290][ T6529] 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
[  332.603926][ T6529] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  332.612377][ T6529] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  332.620372][ T6529] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  332.628368][ T6529] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  332.636358][ T6529] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  332.644351][ T6529] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  332.652351][ T6529]  </TASK>
[  332.668808][ T6529] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  332.684350][ T6529] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  333.064409][ T6532] loop1: detected capacity change from 0 to 32768
[  333.078871][ T6532] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  333.086983][ T6532] CPU: 1 PID: 6532 Comm: syz.1.200 Not tainted syzkaller #0
[  333.094322][ T6532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  333.104426][ T6532] Call Trace:
[  333.107752][ T6532]  <TASK>
[  333.110715][ T6532]  dump_stack_lvl+0x16c/0x230
[  333.115441][ T6532]  ? show_regs_print_info+0x20/0x20
[  333.120693][ T6532]  ? load_image+0x3b0/0x3b0
[  333.125248][ T6532]  sysfs_create_dir_ns+0x256/0x280
[  333.130414][ T6532]  ? sysfs_warn_dup+0xa0/0xa0
[  333.135160][ T6532]  ? do_raw_spin_unlock+0x121/0x230
[  333.140427][ T6532]  kobject_add_internal+0x6b8/0xc70
[  333.145679][ T6532]  kobject_init_and_add+0x126/0x190
[  333.150917][ T6532]  ? lockdep_softirqs_off+0x430/0x430
[  333.156310][ T6532]  ? kobject_add+0x220/0x220
[  333.160941][ T6532]  ? __init_swait_queue_head+0xa9/0x150
[  333.166511][ T6532]  gfs2_sys_fs_add+0x238/0x470
[  333.171292][ T6532]  ? gfs2_recover_set+0x250/0x250
[  333.176332][ T6532]  ? apply_workqueue_attrs+0x180/0x180
[  333.181809][ T6532]  gfs2_fill_super+0x1323/0x1f80
[  333.186775][ T6532]  ? gfs2_reconfigure+0xb10/0xb10
[  333.191830][ T6532]  ? setup_bdev_super+0x56b/0x660
[  333.196875][ T6532]  get_tree_bdev+0x3e4/0x510
[  333.201502][ T6532]  ? end_current_label_crit_section+0x170/0x170
[  333.207763][ T6532]  ? gfs2_reconfigure+0xb10/0xb10
[  333.212842][ T6532]  ? setup_bdev_super+0x660/0x660
[  333.217895][ T6532]  gfs2_get_tree+0x51/0x1e0
[  333.222419][ T6532]  vfs_get_tree+0x8c/0x280
[  333.226858][ T6532]  do_new_mount+0x24b/0xa40
[  333.231397][ T6532]  __se_sys_mount+0x2da/0x3c0
[  333.236095][ T6532]  ? __x64_sys_mount+0xc0/0xc0
[  333.240879][ T6532]  ? lockdep_hardirqs_on+0x98/0x150
[  333.246095][ T6532]  ? __x64_sys_mount+0x20/0xc0
[  333.250872][ T6532]  do_syscall_64+0x55/0xb0
[  333.255314][ T6532]  ? clear_bhb_loop+0x40/0x90
[  333.260021][ T6532]  ? clear_bhb_loop+0x40/0x90
[  333.264757][ T6532]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  333.270671][ T6532] RIP: 0033:0x7f8155d90eea
[  333.275105][ T6532] 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
[  333.294726][ T6532] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  333.303173][ T6532] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  333.311164][ T6532] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  333.319148][ T6532] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  333.327152][ T6532] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  333.335153][ T6532] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  333.343164][ T6532]  </TASK>
[  333.349929][ T6532] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  333.368477][ T6532] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  333.755873][ T6535] loop1: detected capacity change from 0 to 32768
[  333.773319][ T6535] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  333.780752][ T6535] CPU: 1 PID: 6535 Comm: syz.1.201 Not tainted syzkaller #0
[  333.788073][ T6535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  333.798158][ T6535] Call Trace:
[  333.801474][ T6535]  <TASK>
[  333.804444][ T6535]  dump_stack_lvl+0x16c/0x230
[  333.809183][ T6535]  ? show_regs_print_info+0x20/0x20
[  333.814436][ T6535]  ? load_image+0x3b0/0x3b0
[  333.819001][ T6535]  sysfs_create_dir_ns+0x256/0x280
[  333.824161][ T6535]  ? sysfs_warn_dup+0xa0/0xa0
[  333.828892][ T6535]  ? do_raw_spin_unlock+0x121/0x230
[  333.834166][ T6535]  kobject_add_internal+0x6b8/0xc70
[  333.839420][ T6535]  kobject_init_and_add+0x126/0x190
[  333.844661][ T6535]  ? lockdep_softirqs_off+0x430/0x430
[  333.850081][ T6535]  ? kobject_add+0x220/0x220
[  333.854704][ T6535]  ? __init_swait_queue_head+0xa9/0x150
[  333.860271][ T6535]  gfs2_sys_fs_add+0x238/0x470
[  333.865068][ T6535]  ? gfs2_recover_set+0x250/0x250
[  333.870125][ T6535]  ? apply_workqueue_attrs+0x180/0x180
[  333.875615][ T6535]  gfs2_fill_super+0x1323/0x1f80
[  333.880591][ T6535]  ? gfs2_reconfigure+0xb10/0xb10
[  333.885655][ T6535]  ? setup_bdev_super+0x56b/0x660
[  333.890692][ T6535]  get_tree_bdev+0x3e4/0x510
[  333.895315][ T6535]  ? end_current_label_crit_section+0x170/0x170
[  333.901577][ T6535]  ? gfs2_reconfigure+0xb10/0xb10
[  333.906620][ T6535]  ? setup_bdev_super+0x660/0x660
[  333.911663][ T6535]  gfs2_get_tree+0x51/0x1e0
[  333.916187][ T6535]  vfs_get_tree+0x8c/0x280
[  333.920625][ T6535]  do_new_mount+0x24b/0xa40
[  333.925169][ T6535]  __se_sys_mount+0x2da/0x3c0
[  333.929895][ T6535]  ? __x64_sys_mount+0xc0/0xc0
[  333.934681][ T6535]  ? lockdep_hardirqs_on+0x98/0x150
[  333.939903][ T6535]  ? __x64_sys_mount+0x20/0xc0
[  333.944677][ T6535]  do_syscall_64+0x55/0xb0
[  333.949117][ T6535]  ? clear_bhb_loop+0x40/0x90
[  333.953810][ T6535]  ? clear_bhb_loop+0x40/0x90
[  333.958505][ T6535]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  333.964414][ T6535] RIP: 0033:0x7f8155d90eea
[  333.968840][ T6535] 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
[  333.988472][ T6535] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  333.996914][ T6535] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  334.004915][ T6535] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  334.012900][ T6535] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  334.020882][ T6535] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  334.028877][ T6535] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  334.036890][ T6535]  </TASK>
[  334.051923][ T6535] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  334.068748][ T6535] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/02 11:02:32 executed programs: 187
[  334.424497][ T6538] loop1: detected capacity change from 0 to 32768
[  334.438781][ T6538] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  334.447525][ T6538] CPU: 0 PID: 6538 Comm: syz.1.202 Not tainted syzkaller #0
[  334.454949][ T6538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  334.465057][ T6538] Call Trace:
[  334.468365][ T6538]  <TASK>
[  334.471328][ T6538]  dump_stack_lvl+0x16c/0x230
[  334.476062][ T6538]  ? show_regs_print_info+0x20/0x20
[  334.481320][ T6538]  ? load_image+0x3b0/0x3b0
[  334.485882][ T6538]  sysfs_create_dir_ns+0x256/0x280
[  334.491049][ T6538]  ? sysfs_warn_dup+0xa0/0xa0
[  334.495783][ T6538]  ? do_raw_spin_unlock+0x121/0x230
[  334.501029][ T6538]  kobject_add_internal+0x6b8/0xc70
[  334.506275][ T6538]  kobject_init_and_add+0x126/0x190
[  334.511520][ T6538]  ? lockdep_softirqs_off+0x430/0x430
[  334.516918][ T6538]  ? kobject_add+0x220/0x220
[  334.521541][ T6538]  ? __init_swait_queue_head+0xa9/0x150
[  334.527121][ T6538]  gfs2_sys_fs_add+0x238/0x470
[  334.531911][ T6538]  ? gfs2_recover_set+0x250/0x250
[  334.536974][ T6538]  ? apply_workqueue_attrs+0x180/0x180
[  334.542461][ T6538]  gfs2_fill_super+0x1323/0x1f80
[  334.547435][ T6538]  ? gfs2_reconfigure+0xb10/0xb10
[  334.552484][ T6538]  ? setup_bdev_super+0x56b/0x660
[  334.557527][ T6538]  get_tree_bdev+0x3e4/0x510
[  334.562145][ T6538]  ? end_current_label_crit_section+0x170/0x170
[  334.568403][ T6538]  ? gfs2_reconfigure+0xb10/0xb10
[  334.573448][ T6538]  ? setup_bdev_super+0x660/0x660
[  334.578489][ T6538]  gfs2_get_tree+0x51/0x1e0
[  334.583021][ T6538]  vfs_get_tree+0x8c/0x280
[  334.587454][ T6538]  do_new_mount+0x24b/0xa40
[  334.591974][ T6538]  __se_sys_mount+0x2da/0x3c0
[  334.596682][ T6538]  ? __x64_sys_mount+0xc0/0xc0
[  334.601468][ T6538]  ? lockdep_hardirqs_on+0x98/0x150
[  334.606700][ T6538]  ? __x64_sys_mount+0x20/0xc0
[  334.611523][ T6538]  do_syscall_64+0x55/0xb0
[  334.615968][ T6538]  ? clear_bhb_loop+0x40/0x90
[  334.620664][ T6538]  ? clear_bhb_loop+0x40/0x90
[  334.625364][ T6538]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  334.631276][ T6538] RIP: 0033:0x7f8155d90eea
[  334.635709][ T6538] 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
[  334.655337][ T6538] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  334.663770][ T6538] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  334.671764][ T6538] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  334.679757][ T6538] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  334.687744][ T6538] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  334.695745][ T6538] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  334.703754][ T6538]  </TASK>
[  334.709870][ T6538] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  334.724920][ T6538] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  335.101641][ T6541] loop1: detected capacity change from 0 to 32768
[  335.120863][ T6541] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  335.128556][ T6541] CPU: 0 PID: 6541 Comm: syz.1.203 Not tainted syzkaller #0
[  335.135895][ T6541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  335.145982][ T6541] Call Trace:
[  335.149304][ T6541]  <TASK>
[  335.152276][ T6541]  dump_stack_lvl+0x16c/0x230
[  335.157021][ T6541]  ? show_regs_print_info+0x20/0x20
[  335.162277][ T6541]  ? load_image+0x3b0/0x3b0
[  335.166843][ T6541]  sysfs_create_dir_ns+0x256/0x280
[  335.172006][ T6541]  ? sysfs_warn_dup+0xa0/0xa0
[  335.176741][ T6541]  ? do_raw_spin_unlock+0x121/0x230
[  335.182002][ T6541]  kobject_add_internal+0x6b8/0xc70
[  335.187259][ T6541]  kobject_init_and_add+0x126/0x190
[  335.192507][ T6541]  ? lockdep_softirqs_off+0x430/0x430
[  335.197918][ T6541]  ? kobject_add+0x220/0x220
[  335.202555][ T6541]  ? __init_swait_queue_head+0xa9/0x150
[  335.208151][ T6541]  gfs2_sys_fs_add+0x238/0x470
[  335.212964][ T6541]  ? gfs2_recover_set+0x250/0x250
[  335.218040][ T6541]  ? apply_workqueue_attrs+0x180/0x180
[  335.223558][ T6541]  gfs2_fill_super+0x1323/0x1f80
[  335.228552][ T6541]  ? gfs2_reconfigure+0xb10/0xb10
[  335.233623][ T6541]  ? setup_bdev_super+0x56b/0x660
[  335.238681][ T6541]  get_tree_bdev+0x3e4/0x510
[  335.243307][ T6541]  ? end_current_label_crit_section+0x170/0x170
[  335.249594][ T6541]  ? gfs2_reconfigure+0xb10/0xb10
[  335.254670][ T6541]  ? setup_bdev_super+0x660/0x660
[  335.259746][ T6541]  gfs2_get_tree+0x51/0x1e0
[  335.264299][ T6541]  vfs_get_tree+0x8c/0x280
[  335.268760][ T6541]  do_new_mount+0x24b/0xa40
[  335.273305][ T6541]  __se_sys_mount+0x2da/0x3c0
[  335.278040][ T6541]  ? __x64_sys_mount+0xc0/0xc0
[  335.282885][ T6541]  ? lockdep_hardirqs_on+0x98/0x150
[  335.288140][ T6541]  ? __x64_sys_mount+0x20/0xc0
[  335.292936][ T6541]  do_syscall_64+0x55/0xb0
[  335.297382][ T6541]  ? clear_bhb_loop+0x40/0x90
[  335.302096][ T6541]  ? clear_bhb_loop+0x40/0x90
[  335.306819][ T6541]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  335.312754][ T6541] RIP: 0033:0x7f8155d90eea
[  335.317204][ T6541] 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
[  335.336862][ T6541] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  335.345314][ T6541] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  335.353358][ T6541] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  335.361370][ T6541] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  335.369402][ T6541] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  335.377407][ T6541] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  335.385424][ T6541]  </TASK>
[  335.395904][ T6541] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  335.410606][ T6541] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  335.871529][ T6544] loop1: detected capacity change from 0 to 32768
[  335.880766][ T6544] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  335.888743][ T6544] CPU: 0 PID: 6544 Comm: syz.1.204 Not tainted syzkaller #0
[  335.896069][ T6544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  335.906164][ T6544] Call Trace:
[  335.909496][ T6544]  <TASK>
[  335.912458][ T6544]  dump_stack_lvl+0x16c/0x230
[  335.917184][ T6544]  ? show_regs_print_info+0x20/0x20
[  335.922433][ T6544]  ? load_image+0x3b0/0x3b0
[  335.926993][ T6544]  sysfs_create_dir_ns+0x256/0x280
[  335.932157][ T6544]  ? sysfs_warn_dup+0xa0/0xa0
[  335.936884][ T6544]  ? do_raw_spin_unlock+0x121/0x230
[  335.942128][ T6544]  kobject_add_internal+0x6b8/0xc70
[  335.947381][ T6544]  kobject_init_and_add+0x126/0x190
[  335.952611][ T6544]  ? lockdep_softirqs_off+0x430/0x430
[  335.958003][ T6544]  ? kobject_add+0x220/0x220
[  335.962623][ T6544]  ? __init_swait_queue_head+0xa9/0x150
[  335.968197][ T6544]  gfs2_sys_fs_add+0x238/0x470
[  335.973021][ T6544]  ? gfs2_recover_set+0x250/0x250
[  335.978071][ T6544]  ? apply_workqueue_attrs+0x180/0x180
[  335.983549][ T6544]  gfs2_fill_super+0x1323/0x1f80
[  335.988514][ T6544]  ? gfs2_reconfigure+0xb10/0xb10
[  335.993563][ T6544]  ? setup_bdev_super+0x56b/0x660
[  335.998603][ T6544]  get_tree_bdev+0x3e4/0x510
[  336.003212][ T6544]  ? end_current_label_crit_section+0x170/0x170
[  336.009476][ T6544]  ? gfs2_reconfigure+0xb10/0xb10
[  336.014530][ T6544]  ? setup_bdev_super+0x660/0x660
[  336.019600][ T6544]  gfs2_get_tree+0x51/0x1e0
[  336.024132][ T6544]  vfs_get_tree+0x8c/0x280
[  336.028562][ T6544]  do_new_mount+0x24b/0xa40
[  336.033105][ T6544]  __se_sys_mount+0x2da/0x3c0
[  336.037803][ T6544]  ? __x64_sys_mount+0xc0/0xc0
[  336.042609][ T6544]  ? lockdep_hardirqs_on+0x98/0x150
[  336.047821][ T6544]  ? __x64_sys_mount+0x20/0xc0
[  336.052600][ T6544]  do_syscall_64+0x55/0xb0
[  336.057033][ T6544]  ? clear_bhb_loop+0x40/0x90
[  336.061731][ T6544]  ? clear_bhb_loop+0x40/0x90
[  336.066433][ T6544]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  336.072350][ T6544] RIP: 0033:0x7f8155d90eea
[  336.076775][ T6544] 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
[  336.096400][ T6544] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  336.104844][ T6544] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  336.112862][ T6544] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  336.120847][ T6544] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  336.128838][ T6544] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  336.136826][ T6544] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  336.144833][ T6544]  </TASK>
[  336.150590][ T6544] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  336.165517][ T6544] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  336.537292][ T6547] loop1: detected capacity change from 0 to 32768
[  336.555700][ T6547] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  336.563548][ T6547] CPU: 1 PID: 6547 Comm: syz.1.205 Not tainted syzkaller #0
[  336.570889][ T6547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  336.580979][ T6547] Call Trace:
[  336.584290][ T6547]  <TASK>
[  336.587248][ T6547]  dump_stack_lvl+0x16c/0x230
[  336.591982][ T6547]  ? show_regs_print_info+0x20/0x20
[  336.597320][ T6547]  ? load_image+0x3b0/0x3b0
[  336.601887][ T6547]  sysfs_create_dir_ns+0x256/0x280
[  336.607057][ T6547]  ? sysfs_warn_dup+0xa0/0xa0
[  336.611808][ T6547]  ? do_raw_spin_unlock+0x121/0x230
[  336.617061][ T6547]  kobject_add_internal+0x6b8/0xc70
[  336.622313][ T6547]  kobject_init_and_add+0x126/0x190
[  336.627563][ T6547]  ? lockdep_softirqs_off+0x430/0x430
[  336.632980][ T6547]  ? kobject_add+0x220/0x220
[  336.637620][ T6547]  ? __init_swait_queue_head+0xa9/0x150
[  336.643206][ T6547]  gfs2_sys_fs_add+0x238/0x470
[  336.648017][ T6547]  ? gfs2_recover_set+0x250/0x250
[  336.653093][ T6547]  ? apply_workqueue_attrs+0x180/0x180
[  336.658626][ T6547]  gfs2_fill_super+0x1323/0x1f80
[  336.663626][ T6547]  ? gfs2_reconfigure+0xb10/0xb10
[  336.668703][ T6547]  ? setup_bdev_super+0x56b/0x660
[  336.673771][ T6547]  get_tree_bdev+0x3e4/0x510
[  336.678402][ T6547]  ? end_current_label_crit_section+0x170/0x170
[  336.684685][ T6547]  ? gfs2_reconfigure+0xb10/0xb10
[  336.689774][ T6547]  ? setup_bdev_super+0x660/0x660
[  336.694837][ T6547]  gfs2_get_tree+0x51/0x1e0
[  336.699394][ T6547]  vfs_get_tree+0x8c/0x280
[  336.703843][ T6547]  do_new_mount+0x24b/0xa40
[  336.708398][ T6547]  __se_sys_mount+0x2da/0x3c0
[  336.713117][ T6547]  ? __x64_sys_mount+0xc0/0xc0
[  336.717958][ T6547]  ? lockdep_hardirqs_on+0x98/0x150
[  336.723198][ T6547]  ? __x64_sys_mount+0x20/0xc0
[  336.727989][ T6547]  do_syscall_64+0x55/0xb0
[  336.732445][ T6547]  ? clear_bhb_loop+0x40/0x90
[  336.737154][ T6547]  ? clear_bhb_loop+0x40/0x90
[  336.741874][ T6547]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  336.747820][ T6547] RIP: 0033:0x7f8155d90eea
[  336.752271][ T6547] 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
[  336.771916][ T6547] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  336.780367][ T6547] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  336.788365][ T6547] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  336.796385][ T6547] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  336.804392][ T6547] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  336.812401][ T6547] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  336.820443][ T6547]  </TASK>
[  336.824951][ T6547] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  336.839718][ T6547] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  337.224588][ T6550] loop1: detected capacity change from 0 to 32768
[  337.243228][ T6550] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  337.250649][ T6550] CPU: 1 PID: 6550 Comm: syz.1.206 Not tainted syzkaller #0
[  337.257972][ T6550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  337.268056][ T6550] Call Trace:
[  337.271374][ T6550]  <TASK>
[  337.274338][ T6550]  dump_stack_lvl+0x16c/0x230
[  337.279082][ T6550]  ? show_regs_print_info+0x20/0x20
[  337.284323][ T6550]  ? load_image+0x3b0/0x3b0
[  337.288975][ T6550]  sysfs_create_dir_ns+0x256/0x280
[  337.294142][ T6550]  ? sysfs_warn_dup+0xa0/0xa0
[  337.298872][ T6550]  ? do_raw_spin_unlock+0x121/0x230
[  337.304121][ T6550]  kobject_add_internal+0x6b8/0xc70
[  337.309367][ T6550]  kobject_init_and_add+0x126/0x190
[  337.314606][ T6550]  ? lockdep_softirqs_off+0x430/0x430
[  337.320028][ T6550]  ? kobject_add+0x220/0x220
[  337.324678][ T6550]  ? __init_swait_queue_head+0xa9/0x150
[  337.330298][ T6550]  gfs2_sys_fs_add+0x238/0x470
[  337.335117][ T6550]  ? gfs2_recover_set+0x250/0x250
[  337.340190][ T6550]  ? apply_workqueue_attrs+0x180/0x180
[  337.345731][ T6550]  gfs2_fill_super+0x1323/0x1f80
[  337.350728][ T6550]  ? gfs2_reconfigure+0xb10/0xb10
[  337.355818][ T6550]  ? setup_bdev_super+0x56b/0x660
[  337.360880][ T6550]  get_tree_bdev+0x3e4/0x510
[  337.365511][ T6550]  ? end_current_label_crit_section+0x170/0x170
[  337.371947][ T6550]  ? gfs2_reconfigure+0xb10/0xb10
[  337.377037][ T6550]  ? setup_bdev_super+0x660/0x660
[  337.382111][ T6550]  gfs2_get_tree+0x51/0x1e0
[  337.386667][ T6550]  vfs_get_tree+0x8c/0x280
[  337.391127][ T6550]  do_new_mount+0x24b/0xa40
[  337.395683][ T6550]  __se_sys_mount+0x2da/0x3c0
[  337.400406][ T6550]  ? __x64_sys_mount+0xc0/0xc0
[  337.405238][ T6550]  ? lockdep_hardirqs_on+0x98/0x150
[  337.410483][ T6550]  ? __x64_sys_mount+0x20/0xc0
[  337.415297][ T6550]  do_syscall_64+0x55/0xb0
[  337.419749][ T6550]  ? clear_bhb_loop+0x40/0x90
[  337.424477][ T6550]  ? clear_bhb_loop+0x40/0x90
[  337.429199][ T6550]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  337.435146][ T6550] RIP: 0033:0x7f8155d90eea
[  337.439601][ T6550] 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
[  337.459238][ T6550] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  337.467683][ T6550] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  337.475691][ T6550] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  337.483706][ T6550] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  337.491718][ T6550] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  337.499720][ T6550] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  337.507735][ T6550]  </TASK>
[  337.511656][ T6550] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  337.526014][ T6550] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  337.897255][ T6553] loop1: detected capacity change from 0 to 32768
[  337.914013][ T6553] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  337.921630][ T6553] CPU: 1 PID: 6553 Comm: syz.1.207 Not tainted syzkaller #0
[  337.928955][ T6553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  337.939051][ T6553] Call Trace:
[  337.942365][ T6553]  <TASK>
[  337.945329][ T6553]  dump_stack_lvl+0x16c/0x230
[  337.950059][ T6553]  ? show_regs_print_info+0x20/0x20
[  337.955307][ T6553]  ? load_image+0x3b0/0x3b0
[  337.959880][ T6553]  sysfs_create_dir_ns+0x256/0x280
[  337.965062][ T6553]  ? sysfs_warn_dup+0xa0/0xa0
[  337.969794][ T6553]  ? do_raw_spin_unlock+0x121/0x230
[  337.975043][ T6553]  kobject_add_internal+0x6b8/0xc70
[  337.980330][ T6553]  kobject_init_and_add+0x126/0x190
[  337.985577][ T6553]  ? lockdep_softirqs_off+0x430/0x430
[  337.990992][ T6553]  ? kobject_add+0x220/0x220
[  337.995636][ T6553]  ? __init_swait_queue_head+0xa9/0x150
[  338.001232][ T6553]  gfs2_sys_fs_add+0x238/0x470
[  338.006041][ T6553]  ? gfs2_recover_set+0x250/0x250
[  338.011112][ T6553]  ? apply_workqueue_attrs+0x180/0x180
[  338.016656][ T6553]  gfs2_fill_super+0x1323/0x1f80
[  338.021673][ T6553]  ? gfs2_reconfigure+0xb10/0xb10
[  338.026752][ T6553]  ? setup_bdev_super+0x56b/0x660
[  338.031813][ T6553]  get_tree_bdev+0x3e4/0x510
[  338.036423][ T6553]  ? end_current_label_crit_section+0x170/0x170
[  338.042689][ T6553]  ? gfs2_reconfigure+0xb10/0xb10
[  338.047737][ T6553]  ? setup_bdev_super+0x660/0x660
[  338.052787][ T6553]  gfs2_get_tree+0x51/0x1e0
[  338.057319][ T6553]  vfs_get_tree+0x8c/0x280
[  338.061753][ T6553]  do_new_mount+0x24b/0xa40
[  338.066280][ T6553]  __se_sys_mount+0x2da/0x3c0
[  338.070982][ T6553]  ? __x64_sys_mount+0xc0/0xc0
[  338.075780][ T6553]  ? lockdep_hardirqs_on+0x98/0x150
[  338.080997][ T6553]  ? __x64_sys_mount+0x20/0xc0
[  338.085780][ T6553]  do_syscall_64+0x55/0xb0
[  338.090208][ T6553]  ? clear_bhb_loop+0x40/0x90
[  338.094905][ T6553]  ? clear_bhb_loop+0x40/0x90
[  338.099613][ T6553]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  338.105527][ T6553] RIP: 0033:0x7f8155d90eea
[  338.109964][ T6553] 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
[  338.129590][ T6553] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  338.138034][ T6553] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  338.146049][ T6553] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  338.154030][ T6553] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  338.162017][ T6553] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  338.170007][ T6553] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  338.178002][ T6553]  </TASK>
[  338.185866][ T6553] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  338.201100][ T6553] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  338.581379][ T6556] loop1: detected capacity change from 0 to 32768
[  338.596508][ T6556] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  338.608647][ T6556] CPU: 0 PID: 6556 Comm: syz.1.208 Not tainted syzkaller #0
[  338.615979][ T6556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  338.626054][ T6556] Call Trace:
[  338.629370][ T6556]  <TASK>
[  338.632343][ T6556]  dump_stack_lvl+0x16c/0x230
[  338.637075][ T6556]  ? show_regs_print_info+0x20/0x20
[  338.642320][ T6556]  ? load_image+0x3b0/0x3b0
[  338.646882][ T6556]  sysfs_create_dir_ns+0x256/0x280
[  338.652053][ T6556]  ? sysfs_warn_dup+0xa0/0xa0
[  338.656794][ T6556]  ? do_raw_spin_unlock+0x121/0x230
[  338.662070][ T6556]  kobject_add_internal+0x6b8/0xc70
[  338.667321][ T6556]  kobject_init_and_add+0x126/0x190
[  338.672554][ T6556]  ? lockdep_softirqs_off+0x430/0x430
[  338.677948][ T6556]  ? kobject_add+0x220/0x220
[  338.682561][ T6556]  ? __init_swait_queue_head+0xa9/0x150
[  338.688127][ T6556]  gfs2_sys_fs_add+0x238/0x470
[  338.692925][ T6556]  ? gfs2_recover_set+0x250/0x250
[  338.697971][ T6556]  ? apply_workqueue_attrs+0x180/0x180
[  338.703455][ T6556]  gfs2_fill_super+0x1323/0x1f80
[  338.708430][ T6556]  ? gfs2_reconfigure+0xb10/0xb10
[  338.713487][ T6556]  ? setup_bdev_super+0x56b/0x660
[  338.718526][ T6556]  get_tree_bdev+0x3e4/0x510
[  338.723145][ T6556]  ? end_current_label_crit_section+0x170/0x170
[  338.729436][ T6556]  ? gfs2_reconfigure+0xb10/0xb10
[  338.734485][ T6556]  ? setup_bdev_super+0x660/0x660
[  338.739540][ T6556]  gfs2_get_tree+0x51/0x1e0
[  338.744080][ T6556]  vfs_get_tree+0x8c/0x280
[  338.748534][ T6556]  do_new_mount+0x24b/0xa40
[  338.753066][ T6556]  __se_sys_mount+0x2da/0x3c0
[  338.757766][ T6556]  ? __x64_sys_mount+0xc0/0xc0
[  338.762570][ T6556]  ? lockdep_hardirqs_on+0x98/0x150
[  338.767796][ T6556]  ? __x64_sys_mount+0x20/0xc0
[  338.772604][ T6556]  do_syscall_64+0x55/0xb0
[  338.777041][ T6556]  ? clear_bhb_loop+0x40/0x90
[  338.781732][ T6556]  ? clear_bhb_loop+0x40/0x90
[  338.786431][ T6556]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  338.792349][ T6556] RIP: 0033:0x7f8155d90eea
[  338.796783][ T6556] 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
[  338.816410][ T6556] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  338.824848][ T6556] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  338.832836][ T6556] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  338.840827][ T6556] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  338.848821][ T6556] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  338.856812][ T6556] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  338.864814][ T6556]  </TASK>
[  338.870323][ T6556] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  338.884732][ T6556] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  338.993729][   T29] INFO: task syz-executor:5903 blocked for more than 143 seconds.
[  339.001778][   T29]       Not tainted syzkaller #0
[  339.009673][   T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  339.033125][   T29] task:syz-executor    state:D stack:21736 pid:5903  ppid:1      flags:0x00004004
[  339.042428][   T29] Call Trace:
[  339.063129][   T29]  <TASK>
[  339.066134][   T29]  __schedule+0x14d2/0x44d0
[  339.080878][   T29]  ? asan.module_dtor+0x20/0x20
[  339.085934][   T29]  ? lockdep_hardirqs_on_prepare+0x400/0x760
[  339.091966][   T29]  ? lock_chain_count+0x20/0x20
[  339.108818][   T29]  ? lockdep_hardirqs_on+0x98/0x150
[  339.123134][   T29]  ? _raw_spin_unlock_irqrestore+0xae/0x110
[  339.129130][   T29]  ? _raw_spin_unlock+0x40/0x40
[  339.143158][   T29]  schedule+0xbd/0x170
[  339.147289][   T29]  bit_wait+0x11/0xd0
[  339.151514][   T29]  __wait_on_bit+0xac/0x2d0
[  339.169453][   T29]  ? out_of_line_wait_on_bit_lock+0x170/0x170
[  339.177882][   T29]  ? out_of_line_wait_on_bit_lock+0x170/0x170
[  339.184466][   T29]  out_of_line_wait_on_bit+0x123/0x170
[  339.189980][   T29]  ? __wait_on_bit+0x2d0/0x2d0
[  339.200021][   T29]  ? bit_waitqueue+0x30/0x30
[  339.204941][   T29]  gfs2_glock_wait+0xbd/0x2a0
[  339.209677][   T29]  __gfs2_lookup+0x118/0x270
[  339.216614][   T29]  ? lockdep_softirqs_off+0x430/0x430
[  339.222033][   T29]  ? gfs2_atomic_open+0x220/0x220
[  339.227886][   T29]  ? __lookup_slow+0x281/0x3b0
[  339.232725][   T29]  ? __init_waitqueue_head+0xa9/0x150
[  339.240752][   T29]  __lookup_slow+0x281/0x3b0
[  339.245681][   T29]  ? lookup_one_len+0x2c0/0x2c0
[  339.250617][   T29]  ? down_read+0x1ac/0x2e0
[  339.258667][   T29]  lookup_slow+0x53/0x70
[  339.262972][   T29]  walk_component+0x2be/0x3f0
[  339.268085][   T29]  ? path_lookupat+0x15c/0x440
[  339.272906][   T29]  path_lookupat+0x169/0x440
[  339.280103][   T29]  filename_lookup+0x1f4/0x510
[  339.285225][   T29]  ? __virt_addr_valid+0x18c/0x540
[  339.290393][   T29]  ? hashlen_string+0x110/0x110
[  339.297890][   T29]  ? strncpy_from_user+0x197/0x2e0
[  339.305025][   T29]  ? getname_flags+0x20a/0x500
[  339.309857][   T29]  user_path_at_empty+0x42/0x60
[  339.317078][   T29]  __x64_sys_umount+0xf5/0x170
[  339.321904][   T29]  ? path_umount+0xef0/0xef0
[  339.327884][   T29]  ? lockdep_hardirqs_on+0x98/0x150
[  339.335740][   T29]  do_syscall_64+0x55/0xb0
[  339.340222][   T29]  ? clear_bhb_loop+0x40/0x90
[  339.345041][   T29]  ? clear_bhb_loop+0x40/0x90
[  339.349924][   T29]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  339.359176][   T29] RIP: 0033:0x7fc660790a77
[  339.363676][   T29] RSP: 002b:00007ffd06351d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  339.372236][   T29] RAX: ffffffffffffffda RBX: 00007fc660813d7d RCX: 00007fc660790a77
[  339.382452][   T29] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd06351e50
[  339.390596][   T29] RBP: 00007ffd06351e50 R08: 0000000000000000 R09: 0000000000000000
[  339.400985][   T29] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd06352f40
[  339.409269][   T29] R13: 00007fc660813d7d R14: 000055557f8ea4a8 R15: 00007ffd06355100
[  339.421227][   T29]  </TASK>
[  339.424391][   T29] 
[  339.424391][   T29] Showing all locks held in the system:
[  339.432296][   T29] 1 lock held by khungtaskd/29:
[  339.439484][   T29]  #0: ffffffff8cd2ff20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x290
[  339.449760][   T29] 2 locks held by kworker/u4:4/59:
[  339.457104][   T29]  #0: ffff8880b8e3c018 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140
[  339.468465][   T29]  #1: ffff8880b8e289c0 (psi_seq){-.-.}-{0:0}, at: __schedule+0x20ee/0x44d0
[  339.479470][   T29] 2 locks held by getty/5531:
[  339.484218][   T29]  #0: ffff8880312020a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  339.494213][   T29]  #1: ffffc9000326e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x425/0x1380
[  339.506327][   T29] 1 lock held by syz-executor/5903:
[  339.511555][   T29]  #0: ffff88805e233720 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x46/0x70
[  339.521593][   T29] 2 locks held by syz.1.209/6559:
[  339.531455][   T29] 
[  339.533905][   T29] =============================================
[  339.533905][   T29] 
[  339.542362][   T29] NMI backtrace for cpu 0
[  339.546716][   T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[  339.553942][   T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  339.564036][   T29] Call Trace:
[  339.567333][   T29]  <TASK>
[  339.570327][   T29]  dump_stack_lvl+0x16c/0x230
[  339.575057][   T29]  ? show_regs_print_info+0x20/0x20
[  339.580319][   T29]  ? load_image+0x3b0/0x3b0
[  339.584863][   T29]  nmi_cpu_backtrace+0x39b/0x3d0
[  339.589835][   T29]  ? nmi_trigger_cpumask_backtrace+0x2f0/0x2f0
[  339.596042][   T29]  ? _printk+0xd0/0x110
[  339.600264][   T29]  ? load_image+0x3b0/0x3b0
[  339.604798][   T29]  ? load_image+0x3b0/0x3b0
[  339.609348][   T29]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  339.615475][   T29]  nmi_trigger_cpumask_backtrace+0x17a/0x2f0
[  339.621496][   T29]  watchdog+0xf41/0xf80
[  339.625689][   T29]  ? watchdog+0x1e1/0xf80
[  339.630061][   T29]  kthread+0x2fa/0x390
[  339.634172][   T29]  ? hungtask_pm_notify+0x90/0x90
[  339.639234][   T29]  ? kthread_blkcg+0xd0/0xd0
[  339.643853][   T29]  ret_from_fork+0x48/0x80
[  339.648320][   T29]  ? kthread_blkcg+0xd0/0xd0
[  339.652954][   T29]  ret_from_fork_asm+0x11/0x20
[  339.657772][   T29]  </TASK>
[  339.661545][   T29] Sending NMI from CPU 0 to CPUs 1:
[  339.667382][    C1] NMI backtrace for cpu 1
[  339.667393][    C1] CPU: 1 PID: 6559 Comm: syz.1.209 Not tainted syzkaller #0
[  339.667408][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  339.667418][    C1] RIP: 0010:__lock_acquire+0x122f/0x7c80
[  339.667440][    C1] Code: e8 03 42 80 3c 00 00 74 12 48 89 df e8 4a ee 75 00 49 b8 00 00 00 00 00 fc ff df 48 83 3b 00 0f 84 37 4f 00 00 48 8b 44 24 48 <42> 0f b6 04 00 84 c0 0f 85 4c 5c 00 00 41 8b 07 89 c3 81 e3 ff 1f
[  339.667454][    C1] RSP: 0018:ffffc900059f6fe0 EFLAGS: 00000082
[  339.667468][    C1] RAX: 1ffff11005032caa RBX: ffffffff906fded0 RCX: ffffffff81670ecd
[  339.667480][    C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff90d94500
[  339.667491][    C1] RBP: ffffc900059f7228 R08: dffffc0000000000 R09: 1ffffffff21b28a0
[  339.667502][    C1] R10: dffffc0000000000 R11: fffffbfff21b28a1 R12: 000000007bdc7b32
[  339.667514][    C1] R13: ffff888028195a00 R14: 000000002b8bd337 R15: ffff888028196550
[  339.667531][    C1] FS:  000055556d5b8500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
[  339.667544][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  339.667555][    C1] CR2: 00007f814dffe000 CR3: 0000000024ded000 CR4: 00000000003506e0
[  339.667569][    C1] Call Trace:
[  339.667575][    C1]  <TASK>
[  339.667591][    C1]  ? verify_lock_unused+0x140/0x140
[  339.667613][    C1]  ? mark_lock+0x94/0x320
[  339.667631][    C1]  ? mark_lock+0x94/0x320
[  339.667649][    C1]  lock_acquire+0x197/0x410
[  339.667665][    C1]  ? is_bpf_text_address+0x26/0x2a0
[  339.667687][    C1]  ? read_lock_is_recursive+0x20/0x20
[  339.667703][    C1]  ? __read_once_word_nocheck+0x9/0x10
[  339.667727][    C1]  ? deref_stack_reg+0x1bd/0x240
[  339.667752][    C1]  ? entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  339.667771][    C1]  is_bpf_text_address+0x47/0x2a0
[  339.667787][    C1]  ? is_bpf_text_address+0x26/0x2a0
[  339.667803][    C1]  ? is_bpf_text_address+0x26/0x2a0
[  339.667820][    C1]  ? entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  339.667837][    C1]  kernel_text_address+0xa0/0xd0
[  339.667859][    C1]  __kernel_text_address+0xd/0x30
[  339.667879][    C1]  unwind_get_return_address+0x5d/0xc0
[  339.667903][    C1]  ? stack_trace_save+0xe0/0xe0
[  339.667921][    C1]  arch_stack_walk+0x11d/0x190
[  339.667940][    C1]  stack_trace_save+0x9c/0xe0
[  339.667958][    C1]  ? stack_trace_snprint+0xf0/0xf0
[  339.667979][    C1]  save_stack+0xf7/0x1f0
[  339.668014][    C1]  ? __reset_page_owner+0x190/0x190
[  339.668052][    C1]  ? free_unref_page_prepare+0x7ce/0x8e0
[  339.668074][    C1]  ? free_unref_page_list+0xbe/0x860
[  339.668095][    C1]  ? release_pages+0x1fa0/0x2220
[  339.668110][    C1]  ? tlb_flush_mmu+0x368/0x4f0
[  339.668130][    C1]  ? tlb_finish_mmu+0xc3/0x1d0
[  339.668150][    C1]  ? unmap_region+0x2ed/0x340
[  339.668169][    C1]  ? do_vmi_align_munmap+0xffe/0x1660
[  339.668188][    C1]  ? do_vmi_munmap+0x252/0x2d0
[  339.668206][    C1]  ? __vm_munmap+0x193/0x3c0
[  339.668224][    C1]  ? __x64_sys_munmap+0x60/0x70
[  339.668242][    C1]  ? do_syscall_64+0x55/0xb0
[  339.668255][    C1]  ? entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  339.668276][    C1]  ? page_ext_get+0x22/0x2b0
[  339.668294][    C1]  ? page_ext_get+0x1e2/0x2b0
[  339.668312][    C1]  __reset_page_owner+0x4e/0x190
[  339.668334][    C1]  ? rcu_is_watching+0x15/0xb0
[  339.668356][    C1]  free_unref_page_prepare+0x7ce/0x8e0
[  339.668380][    C1]  free_unref_page_list+0xbe/0x860
[  339.668402][    C1]  ? __folio_memcg+0x63/0x160
[  339.668418][    C1]  ? folio_memcg+0x127/0x480
[  339.668434][    C1]  release_pages+0x1fa0/0x2220
[  339.668449][    C1]  ? mlock_drain_local+0x79/0x490
[  339.668469][    C1]  ? lru_cache_disable+0x30/0x30
[  339.668486][    C1]  ? free_swap_cache+0x161/0x760
[  339.668510][    C1]  tlb_flush_mmu+0x368/0x4f0
[  339.668539][    C1]  tlb_finish_mmu+0xc3/0x1d0
[  339.668560][    C1]  ? free_pgtables+0x743/0x770
[  339.668582][    C1]  unmap_region+0x2ed/0x340
[  339.668604][    C1]  ? vma_iter_init+0xd0/0xd0
[  339.668633][    C1]  do_vmi_align_munmap+0xffe/0x1660
[  339.668656][    C1]  ? do_vmi_align_munmap+0xa18/0x1660
[  339.668679][    C1]  ? do_vmi_munmap+0x2d0/0x2d0
[  339.668701][    C1]  ? mtree_range_walk+0x674/0x7c0
[  339.668728][    C1]  ? mas_find_setup+0x493/0x590
[  339.668753][    C1]  do_vmi_munmap+0x252/0x2d0
[  339.668775][    C1]  __vm_munmap+0x193/0x3c0
[  339.668795][    C1]  ? vm_munmap+0x20/0x20
[  339.668818][    C1]  ? lockdep_hardirqs_on_prepare+0x400/0x760
[  339.668839][    C1]  ? syscall_enter_from_user_mode+0x25/0x80
[  339.668877][    C1]  __x64_sys_munmap+0x60/0x70
[  339.668899][    C1]  do_syscall_64+0x55/0xb0
[  339.668913][    C1]  ? clear_bhb_loop+0x40/0x90
[  339.668933][    C1]  ? clear_bhb_loop+0x40/0x90
[  339.668954][    C1]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  339.668974][    C1] RIP: 0033:0x7f8155d8f7d7
[  339.668987][    C1] Code: 00 00 00 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 0b 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
[  339.669001][    C1] RSP: 002b:00007ffc21862b98 EFLAGS: 00000246 ORIG_RAX: 000000000000000b
[  339.669017][    C1] RAX: ffffffffffffffda RBX: 0000000001000000 RCX: 00007f8155d8f7d7
[  339.669029][    C1] RDX: 0000000000000000 RSI: 0000000008400000 RDI: 00007f814cfff000
[  339.669040][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000001274e
[  339.669050][    C1] R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000003
[  339.669060][    C1] R13: 00007ffc21862c70 R14: 00007ffc21862c30 R15: 00007f814cfff000
[  339.669079][    C1]  </TASK>
[  339.713003][ T6559] loop1: detected capacity change from 0 to 32768
[  339.755837][   T29] Kernel panic - not syncing: hung_task: blocked tasks
[  339.755876][   T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[  339.755960][   T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  339.755991][   T29] Call Trace:
[  339.756019][   T29]  <TASK>
[  339.756040][   T29]  dump_stack_lvl+0x16c/0x230
[  339.756142][   T29]  ? show_regs_print_info+0x20/0x20
[  339.756225][   T29]  ? load_image+0x3b0/0x3b0
[  339.756301][   T29]  panic+0x2c0/0x710
[  339.756326][   T29]  ? schedule_preempt_disabled+0x20/0x20
[  339.756362][   T29]  ? bpf_jit_dump+0xd0/0xd0
[  339.756386][   T29]  ? __irq_work_queue_local+0x13a/0x3b0
[  339.797145][ T6559] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  340.275465][   T29]  ? nmi_trigger_cpumask_backtrace+0x2a4/0x2f0
[  340.281649][   T29]  watchdog+0xf80/0xf80
[  340.285838][   T29]  ? watchdog+0x1e1/0xf80
[  340.290219][   T29]  kthread+0x2fa/0x390
[  340.294316][   T29]  ? hungtask_pm_notify+0x90/0x90
[  340.299370][   T29]  ? kthread_blkcg+0xd0/0xd0
[  340.303983][   T29]  ret_from_fork+0x48/0x80
[  340.308426][   T29]  ? kthread_blkcg+0xd0/0xd0
[  340.313036][   T29]  ret_from_fork_asm+0x11/0x20
[  340.317830][   T29]  </TASK>
[  340.320862][ T6559] CPU: 1 PID: 6559 Comm: syz.1.209 Not tainted syzkaller #0
[  340.320880][ T6559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  340.320889][ T6559] Call Trace:
[  340.320895][ T6559]  <TASK>
[  340.320901][ T6559]  dump_stack_lvl+0x16c/0x230
[  340.320928][ T6559]  ? show_regs_print_info+0x20/0x20
[  340.320951][ T6559]  ? load_image+0x3b0/0x3b0
[  340.320980][ T6559]  sysfs_create_dir_ns+0x256/0x280
[  340.321007][ T6559]  ? sysfs_warn_dup+0xa0/0xa0
[  340.321030][ T6559]  ? do_raw_spin_unlock+0x121/0x230
[  340.321053][ T6559]  kobject_add_internal+0x6b8/0xc70
[  340.321078][ T6559]  kobject_init_and_add+0x126/0x190
[  340.321097][ T6559]  ? lockdep_softirqs_off+0x430/0x430
[  340.321115][ T6559]  ? kobject_add+0x220/0x220
[  340.321137][ T6559]  ? __init_swait_queue_head+0xa9/0x150
[  340.321157][ T6559]  gfs2_sys_fs_add+0x238/0x470
[  340.321178][ T6559]  ? gfs2_recover_set+0x250/0x250
[  340.321202][ T6559]  ? apply_workqueue_attrs+0x180/0x180
[  340.321228][ T6559]  gfs2_fill_super+0x1323/0x1f80
[  340.321260][ T6559]  ? gfs2_reconfigure+0xb10/0xb10
[  340.321288][ T6559]  ? setup_bdev_super+0x56b/0x660
[  340.321305][ T6559]  get_tree_bdev+0x3e4/0x510
[  340.321319][ T6559]  ? end_current_label_crit_section+0x170/0x170
[  340.321339][ T6559]  ? gfs2_reconfigure+0xb10/0xb10
[  340.321358][ T6559]  ? setup_bdev_super+0x660/0x660
[  340.321380][ T6559]  gfs2_get_tree+0x51/0x1e0
[  340.321402][ T6559]  vfs_get_tree+0x8c/0x280
[  340.321419][ T6559]  do_new_mount+0x24b/0xa40
[  340.321439][ T6559]  __se_sys_mount+0x2da/0x3c0
[  340.321462][ T6559]  ? __x64_sys_mount+0xc0/0xc0
[  340.321479][ T6559]  ? lockdep_hardirqs_on+0x98/0x150
[  340.321496][ T6559]  ? __x64_sys_mount+0x20/0xc0
[  340.321512][ T6559]  do_syscall_64+0x55/0xb0
[  340.321524][ T6559]  ? clear_bhb_loop+0x40/0x90
[  340.321542][ T6559]  ? clear_bhb_loop+0x40/0x90
[  340.321560][ T6559]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  340.321577][ T6559] RIP: 0033:0x7f8155d90eea
[  340.321590][ T6559] 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
[  340.321603][ T6559] RSP: 002b:00007ffc21862be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  340.321618][ T6559] RAX: ffffffffffffffda RBX: 00007ffc21862c70 RCX: 00007f8155d90eea
[  340.321629][ T6559] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffc21862c30
[  340.321639][ T6559] RBP: 0000200000000000 R08: 00007ffc21862c70 R09: 0000000000208c1b
[  340.321649][ T6559] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  340.321658][ T6559] R13: 00007ffc21862c30 R14: 0000000000012754 R15: 0000200000012900
[  340.321680][ T6559]  </TASK>
[  340.322234][   T29] Kernel Offset: disabled
[  340.583707][   T29] Rebooting in 86400 seconds..