132530][ T6377]  gfs2_fill_super+0x1323/0x1f80
[  224.137546][ T6377]  ? gfs2_reconfigure+0xb10/0xb10
[  224.142643][ T6377]  ? setup_bdev_super+0x56b/0x660
[  224.147738][ T6377]  get_tree_bdev+0x3e4/0x510
[  224.152387][ T6377]  ? end_current_label_crit_section+0x170/0x170
[  224.158688][ T6377]  ? gfs2_reconfigure+0xb10/0xb10
[  224.163774][ T6377]  ? setup_bdev_super+0x660/0x660
[  224.168873][ T6377]  gfs2_get_tree+0x51/0x1e0
[  224.173445][ T6377]  vfs_get_tree+0x8c/0x280
[  224.177919][ T6377]  do_new_mount+0x24b/0xa40
[  224.182486][ T6377]  __se_sys_mount+0x2da/0x3c0
[  224.187217][ T6377]  ? __x64_sys_mount+0xc0/0xc0
[  224.192039][ T6377]  ? lockdep_hardirqs_on+0x98/0x150
[  224.197331][ T6377]  ? __x64_sys_mount+0x20/0xc0
[  224.202155][ T6377]  do_syscall_64+0x55/0xb0
[  224.206633][ T6377]  ? clear_bhb_loop+0x40/0x90
[  224.211373][ T6377]  ? clear_bhb_loop+0x40/0x90
[  224.216109][ T6377]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  224.222065][ T6377] RIP: 0033:0x7f44e1590eea
[  224.226527][ T6377] 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
[  224.246157][ T6377] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.254592][ T6377] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  224.262591][ T6377] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  224.270592][ T6377] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  224.278594][ T6377] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  224.286582][ T6377] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  224.294586][ T6377]  </TASK>
[  224.300767][ T6377] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  224.316927][ T6377] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  224.777478][ T6380] loop1: detected capacity change from 0 to 32768
[  224.796464][ T6380] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  224.804080][ T6380] CPU: 1 PID: 6380 Comm: syz.1.156 Not tainted syzkaller #0
[  224.811522][ T6380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  224.821633][ T6380] Call Trace:
[  224.824962][ T6380]  <TASK>
[  224.827943][ T6380]  dump_stack_lvl+0x16c/0x230
[  224.832695][ T6380]  ? show_regs_print_info+0x20/0x20
[  224.837967][ T6380]  ? load_image+0x3b0/0x3b0
[  224.842557][ T6380]  sysfs_create_dir_ns+0x256/0x280
[  224.847744][ T6380]  ? sysfs_warn_dup+0xa0/0xa0
[  224.852494][ T6380]  ? do_raw_spin_unlock+0x121/0x230
[  224.857766][ T6380]  kobject_add_internal+0x6b8/0xc70
[  224.863032][ T6380]  kobject_init_and_add+0x126/0x190
[  224.868278][ T6380]  ? lockdep_softirqs_off+0x430/0x430
[  224.873691][ T6380]  ? kobject_add+0x220/0x220
[  224.878318][ T6380]  ? __init_swait_queue_head+0xa9/0x150
[  224.883905][ T6380]  gfs2_sys_fs_add+0x238/0x470
[  224.888714][ T6380]  ? gfs2_recover_set+0x250/0x250
[  224.893781][ T6380]  ? apply_workqueue_attrs+0x180/0x180
[  224.899281][ T6380]  gfs2_fill_super+0x1323/0x1f80
[  224.904275][ T6380]  ? gfs2_reconfigure+0xb10/0xb10
[  224.909348][ T6380]  ? setup_bdev_super+0x56b/0x660
[  224.914426][ T6380]  get_tree_bdev+0x3e4/0x510
[  224.919048][ T6380]  ? end_current_label_crit_section+0x170/0x170
[  224.925369][ T6380]  ? gfs2_reconfigure+0xb10/0xb10
[  224.930439][ T6380]  ? setup_bdev_super+0x660/0x660
[  224.935500][ T6380]  gfs2_get_tree+0x51/0x1e0
[  224.940047][ T6380]  vfs_get_tree+0x8c/0x280
[  224.944501][ T6380]  do_new_mount+0x24b/0xa40
[  224.949068][ T6380]  __se_sys_mount+0x2da/0x3c0
[  224.953777][ T6380]  ? __x64_sys_mount+0xc0/0xc0
[  224.958575][ T6380]  ? lockdep_hardirqs_on+0x98/0x150
[  224.963810][ T6380]  ? __x64_sys_mount+0x20/0xc0
[  224.968605][ T6380]  do_syscall_64+0x55/0xb0
[  224.973053][ T6380]  ? clear_bhb_loop+0x40/0x90
[  224.977849][ T6380]  ? clear_bhb_loop+0x40/0x90
[  224.982556][ T6380]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  224.988488][ T6380] RIP: 0033:0x7f44e1590eea
[  224.992931][ T6380] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  225.012576][ T6380] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.021044][ T6380] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  225.029052][ T6380] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  225.037107][ T6380] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  225.045178][ T6380] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  225.053303][ T6380] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  225.061331][ T6380]  </TASK>
[  225.073411][ T6380] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  225.091480][ T6380] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.499176][ T6383] loop1: detected capacity change from 0 to 32768
[  225.519014][ T6383] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  225.526487][ T6383] CPU: 1 PID: 6383 Comm: syz.1.157 Not tainted syzkaller #0
[  225.533829][ T6383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  225.543953][ T6383] Call Trace:
[  225.547297][ T6383]  <TASK>
[  225.550284][ T6383]  dump_stack_lvl+0x16c/0x230
[  225.555040][ T6383]  ? show_regs_print_info+0x20/0x20
[  225.560317][ T6383]  ? load_image+0x3b0/0x3b0
[  225.564911][ T6383]  sysfs_create_dir_ns+0x256/0x280
[  225.570114][ T6383]  ? sysfs_warn_dup+0xa0/0xa0
[  225.575059][ T6383]  ? do_raw_spin_unlock+0x121/0x230
[  225.580335][ T6383]  kobject_add_internal+0x6b8/0xc70
[  225.585596][ T6383]  kobject_init_and_add+0x126/0x190
[  225.590842][ T6383]  ? lockdep_softirqs_off+0x430/0x430
[  225.596262][ T6383]  ? kobject_add+0x220/0x220
[  225.600898][ T6383]  ? __init_swait_queue_head+0xa9/0x150
[  225.606913][ T6383]  gfs2_sys_fs_add+0x238/0x470
[  225.611712][ T6383]  ? gfs2_recover_set+0x250/0x250
[  225.616784][ T6383]  ? apply_workqueue_attrs+0x180/0x180
[  225.622298][ T6383]  gfs2_fill_super+0x1323/0x1f80
[  225.627298][ T6383]  ? gfs2_reconfigure+0xb10/0xb10
[  225.632377][ T6383]  ? setup_bdev_super+0x56b/0x660
[  225.637434][ T6383]  get_tree_bdev+0x3e4/0x510
[  225.642055][ T6383]  ? end_current_label_crit_section+0x170/0x170
[  225.648342][ T6383]  ? gfs2_reconfigure+0xb10/0xb10
[  225.653406][ T6383]  ? setup_bdev_super+0x660/0x660
[  225.658473][ T6383]  gfs2_get_tree+0x51/0x1e0
[  225.663020][ T6383]  vfs_get_tree+0x8c/0x280
[  225.667473][ T6383]  do_new_mount+0x24b/0xa40
[  225.672016][ T6383]  __se_sys_mount+0x2da/0x3c0
[  225.676728][ T6383]  ? __x64_sys_mount+0xc0/0xc0
[  225.681527][ T6383]  ? lockdep_hardirqs_on+0x98/0x150
[  225.686761][ T6383]  ? __x64_sys_mount+0x20/0xc0
[  225.691917][ T6383]  do_syscall_64+0x55/0xb0
[  225.696386][ T6383]  ? clear_bhb_loop+0x40/0x90
[  225.701128][ T6383]  ? clear_bhb_loop+0x40/0x90
[  225.705840][ T6383]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  225.711766][ T6383] RIP: 0033:0x7f44e1590eea
[  225.716208][ T6383] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  225.735949][ T6383] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.744396][ T6383] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  225.752399][ T6383] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  225.760397][ T6383] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  225.768397][ T6383] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  225.776490][ T6383] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  225.784595][ T6383]  </TASK>
[  225.792779][ T6383] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  225.809564][ T6383] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  226.232481][ T6386] loop1: detected capacity change from 0 to 32768
[  226.247652][ T6386] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.255265][ T6386] CPU: 1 PID: 6386 Comm: syz.1.158 Not tainted syzkaller #0
[  226.262625][ T6386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  226.272734][ T6386] Call Trace:
[  226.276066][ T6386]  <TASK>
[  226.279044][ T6386]  dump_stack_lvl+0x16c/0x230
[  226.283775][ T6386]  ? show_regs_print_info+0x20/0x20
[  226.289018][ T6386]  ? load_image+0x3b0/0x3b0
[  226.293576][ T6386]  sysfs_create_dir_ns+0x256/0x280
[  226.298740][ T6386]  ? sysfs_warn_dup+0xa0/0xa0
[  226.303457][ T6386]  ? do_raw_spin_unlock+0x121/0x230
[  226.308698][ T6386]  kobject_add_internal+0x6b8/0xc70
[  226.314037][ T6386]  kobject_init_and_add+0x126/0x190
[  226.319272][ T6386]  ? lockdep_softirqs_off+0x430/0x430
[  226.324684][ T6386]  ? kobject_add+0x220/0x220
[  226.329326][ T6386]  ? __init_swait_queue_head+0xa9/0x150
[  226.334910][ T6386]  gfs2_sys_fs_add+0x238/0x470
[  226.339715][ T6386]  ? gfs2_recover_set+0x250/0x250
[  226.344876][ T6386]  ? apply_workqueue_attrs+0x180/0x180
[  226.350382][ T6386]  gfs2_fill_super+0x1323/0x1f80
[  226.355387][ T6386]  ? gfs2_reconfigure+0xb10/0xb10
[  226.360460][ T6386]  ? setup_bdev_super+0x56b/0x660
[  226.365525][ T6386]  get_tree_bdev+0x3e4/0x510
[  226.370161][ T6386]  ? end_current_label_crit_section+0x170/0x170
[  226.376448][ T6386]  ? gfs2_reconfigure+0xb10/0xb10
[  226.381861][ T6386]  ? setup_bdev_super+0x660/0x660
[  226.386967][ T6386]  gfs2_get_tree+0x51/0x1e0
[  226.391523][ T6386]  vfs_get_tree+0x8c/0x280
[  226.395979][ T6386]  do_new_mount+0x24b/0xa40
[  226.400531][ T6386]  __se_sys_mount+0x2da/0x3c0
[  226.405269][ T6386]  ? __x64_sys_mount+0xc0/0xc0
[  226.410076][ T6386]  ? lockdep_hardirqs_on+0x98/0x150
[  226.415310][ T6386]  ? __x64_sys_mount+0x20/0xc0
[  226.420106][ T6386]  do_syscall_64+0x55/0xb0
[  226.424555][ T6386]  ? clear_bhb_loop+0x40/0x90
[  226.429267][ T6386]  ? clear_bhb_loop+0x40/0x90
[  226.433999][ T6386]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  226.439932][ T6386] RIP: 0033:0x7f44e1590eea
[  226.444387][ T6386] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  226.464031][ T6386] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.472484][ T6386] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  226.480493][ T6386] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  226.488499][ T6386] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  226.496530][ T6386] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  226.504551][ T6386] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  226.512581][ T6386]  </TASK>
[  226.516671][ T6386] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.532784][ T6386] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  226.949278][ T6389] loop1: detected capacity change from 0 to 32768
[  226.962896][ T6389] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.970862][ T6389] CPU: 1 PID: 6389 Comm: syz.1.159 Not tainted syzkaller #0
[  226.978226][ T6389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  226.988351][ T6389] Call Trace:
[  226.991687][ T6389]  <TASK>
[  226.994674][ T6389]  dump_stack_lvl+0x16c/0x230
[  226.999428][ T6389]  ? show_regs_print_info+0x20/0x20
[  227.004704][ T6389]  ? load_image+0x3b0/0x3b0
[  227.009301][ T6389]  sysfs_create_dir_ns+0x256/0x280
[  227.014489][ T6389]  ? sysfs_warn_dup+0xa0/0xa0
[  227.019241][ T6389]  ? do_raw_spin_unlock+0x121/0x230
[  227.024561][ T6389]  kobject_add_internal+0x6b8/0xc70
[  227.029841][ T6389]  kobject_init_and_add+0x126/0x190
[  227.035116][ T6389]  ? lockdep_softirqs_off+0x430/0x430
[  227.040563][ T6389]  ? kobject_add+0x220/0x220
[  227.045239][ T6389]  ? __init_swait_queue_head+0xa9/0x150
[  227.050860][ T6389]  gfs2_sys_fs_add+0x238/0x470
[  227.055688][ T6389]  ? gfs2_recover_set+0x250/0x250
[  227.060788][ T6389]  ? apply_workqueue_attrs+0x180/0x180
[  227.066325][ T6389]  gfs2_fill_super+0x1323/0x1f80
[  227.071333][ T6389]  ? gfs2_reconfigure+0xb10/0xb10
[  227.076405][ T6389]  ? setup_bdev_super+0x56b/0x660
[  227.081464][ T6389]  get_tree_bdev+0x3e4/0x510
[  227.086091][ T6389]  ? end_current_label_crit_section+0x170/0x170
[  227.092368][ T6389]  ? gfs2_reconfigure+0xb10/0xb10
[  227.097426][ T6389]  ? setup_bdev_super+0x660/0x660
[  227.102491][ T6389]  gfs2_get_tree+0x51/0x1e0
[  227.107036][ T6389]  vfs_get_tree+0x8c/0x280
[  227.111494][ T6389]  do_new_mount+0x24b/0xa40
[  227.116044][ T6389]  __se_sys_mount+0x2da/0x3c0
[  227.120780][ T6389]  ? __x64_sys_mount+0xc0/0xc0
[  227.125581][ T6389]  ? lockdep_hardirqs_on+0x98/0x150
[  227.130815][ T6389]  ? __x64_sys_mount+0x20/0xc0
[  227.135610][ T6389]  do_syscall_64+0x55/0xb0
[  227.140059][ T6389]  ? clear_bhb_loop+0x40/0x90
[  227.144773][ T6389]  ? clear_bhb_loop+0x40/0x90
[  227.149505][ T6389]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  227.155464][ T6389] RIP: 0033:0x7f44e1590eea
[  227.159925][ T6389] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  227.179572][ T6389] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.188025][ T6389] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  227.196034][ T6389] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  227.204037][ T6389] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  227.212038][ T6389] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  227.220134][ T6389] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  227.228157][ T6389]  </TASK>
[  227.240035][ T6389] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.255643][ T6389] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  227.656076][ T6392] loop1: detected capacity change from 0 to 32768
[  227.669769][ T6392] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  227.682167][ T6392] CPU: 0 PID: 6392 Comm: syz.1.160 Not tainted syzkaller #0
[  227.689560][ T6392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  227.699677][ T6392] Call Trace:
[  227.703012][ T6392]  <TASK>
[  227.705993][ T6392]  dump_stack_lvl+0x16c/0x230
[  227.710750][ T6392]  ? show_regs_print_info+0x20/0x20
[  227.716022][ T6392]  ? load_image+0x3b0/0x3b0
[  227.720607][ T6392]  sysfs_create_dir_ns+0x256/0x280
[  227.725788][ T6392]  ? sysfs_warn_dup+0xa0/0xa0
[  227.730547][ T6392]  ? do_raw_spin_unlock+0x121/0x230
[  227.735817][ T6392]  kobject_add_internal+0x6b8/0xc70
[  227.741085][ T6392]  kobject_init_and_add+0x126/0x190
[  227.746355][ T6392]  ? lockdep_softirqs_off+0x430/0x430
[  227.751843][ T6392]  ? kobject_add+0x220/0x220
[  227.756506][ T6392]  ? __init_swait_queue_head+0xa9/0x150
[  227.762123][ T6392]  gfs2_sys_fs_add+0x238/0x470
[  227.766957][ T6392]  ? gfs2_recover_set+0x250/0x250
[  227.772054][ T6392]  ? apply_workqueue_attrs+0x180/0x180
[  227.777586][ T6392]  gfs2_fill_super+0x1323/0x1f80
[  227.782603][ T6392]  ? gfs2_reconfigure+0xb10/0xb10
[  227.787690][ T6392]  ? setup_bdev_super+0x56b/0x660
[  227.792783][ T6392]  get_tree_bdev+0x3e4/0x510
[  227.797426][ T6392]  ? end_current_label_crit_section+0x170/0x170
[  227.803808][ T6392]  ? gfs2_reconfigure+0xb10/0xb10
[  227.808894][ T6392]  ? setup_bdev_super+0x660/0x660
[  227.813987][ T6392]  gfs2_get_tree+0x51/0x1e0
[  227.818553][ T6392]  vfs_get_tree+0x8c/0x280
[  227.823022][ T6392]  do_new_mount+0x24b/0xa40
[  227.827578][ T6392]  __se_sys_mount+0x2da/0x3c0
[  227.832316][ T6392]  ? __x64_sys_mount+0xc0/0xc0
[  227.837142][ T6392]  ? lockdep_hardirqs_on+0x98/0x150
[  227.842398][ T6392]  ? __x64_sys_mount+0x20/0xc0
[  227.847219][ T6392]  do_syscall_64+0x55/0xb0
[  227.851692][ T6392]  ? clear_bhb_loop+0x40/0x90
[  227.856422][ T6392]  ? clear_bhb_loop+0x40/0x90
[  227.861237][ T6392]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  227.867183][ T6392] RIP: 0033:0x7f44e1590eea
[  227.871649][ T6392] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  227.891318][ T6392] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.899797][ T6392] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  227.907831][ T6392] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  227.915858][ T6392] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  227.923890][ T6392] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  227.931930][ T6392] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  227.939970][ T6392]  </TASK>
[  227.955191][ T6392] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.971687][ T6392] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/03 04:13:09 executed programs: 146
[  228.379113][ T6395] loop1: detected capacity change from 0 to 32768
[  228.399568][ T6395] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.407020][ T6395] CPU: 0 PID: 6395 Comm: syz.1.161 Not tainted syzkaller #0
[  228.414365][ T6395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  228.424477][ T6395] Call Trace:
[  228.427822][ T6395]  <TASK>
[  228.430799][ T6395]  dump_stack_lvl+0x16c/0x230
[  228.435584][ T6395]  ? show_regs_print_info+0x20/0x20
[  228.440862][ T6395]  ? load_image+0x3b0/0x3b0
[  228.445444][ T6395]  sysfs_create_dir_ns+0x256/0x280
[  228.450653][ T6395]  ? sysfs_warn_dup+0xa0/0xa0
[  228.455456][ T6395]  ? do_raw_spin_unlock+0x121/0x230
[  228.460767][ T6395]  kobject_add_internal+0x6b8/0xc70
[  228.466045][ T6395]  kobject_init_and_add+0x126/0x190
[  228.471319][ T6395]  ? lockdep_softirqs_off+0x430/0x430
[  228.476857][ T6395]  ? kobject_add+0x220/0x220
[  228.481512][ T6395]  ? __init_swait_queue_head+0xa9/0x150
[  228.487121][ T6395]  gfs2_sys_fs_add+0x238/0x470
[  228.491952][ T6395]  ? gfs2_recover_set+0x250/0x250
[  228.497066][ T6395]  ? apply_workqueue_attrs+0x180/0x180
[  228.502607][ T6395]  gfs2_fill_super+0x1323/0x1f80
[  228.507665][ T6395]  ? gfs2_reconfigure+0xb10/0xb10
[  228.512793][ T6395]  ? setup_bdev_super+0x56b/0x660
[  228.517857][ T6395]  get_tree_bdev+0x3e4/0x510
[  228.522484][ T6395]  ? end_current_label_crit_section+0x170/0x170
[  228.528767][ T6395]  ? gfs2_reconfigure+0xb10/0xb10
[  228.533826][ T6395]  ? setup_bdev_super+0x660/0x660
[  228.538896][ T6395]  gfs2_get_tree+0x51/0x1e0
[  228.543468][ T6395]  vfs_get_tree+0x8c/0x280
[  228.547939][ T6395]  do_new_mount+0x24b/0xa40
[  228.552495][ T6395]  __se_sys_mount+0x2da/0x3c0
[  228.557222][ T6395]  ? __x64_sys_mount+0xc0/0xc0
[  228.562034][ T6395]  ? lockdep_hardirqs_on+0x98/0x150
[  228.567291][ T6395]  ? __x64_sys_mount+0x20/0xc0
[  228.572233][ T6395]  do_syscall_64+0x55/0xb0
[  228.576707][ T6395]  ? clear_bhb_loop+0x40/0x90
[  228.581434][ T6395]  ? clear_bhb_loop+0x40/0x90
[  228.586151][ T6395]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  228.592085][ T6395] RIP: 0033:0x7f44e1590eea
[  228.596538][ T6395] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  228.616187][ T6395] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  228.624637][ T6395] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  228.632692][ T6395] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  228.640721][ T6395] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  228.648728][ T6395] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  228.656784][ T6395] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  228.664813][ T6395]  </TASK>
[  228.676137][ T6395] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  228.690889][ T6395] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  229.106966][ T6398] loop1: detected capacity change from 0 to 32768
[  229.127521][ T6398] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  229.134980][ T6398] CPU: 1 PID: 6398 Comm: syz.1.162 Not tainted syzkaller #0
[  229.142316][ T6398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  229.152428][ T6398] Call Trace:
[  229.155757][ T6398]  <TASK>
[  229.158745][ T6398]  dump_stack_lvl+0x16c/0x230
[  229.163516][ T6398]  ? show_regs_print_info+0x20/0x20
[  229.168796][ T6398]  ? load_image+0x3b0/0x3b0
[  229.173379][ T6398]  sysfs_create_dir_ns+0x256/0x280
[  229.178563][ T6398]  ? sysfs_warn_dup+0xa0/0xa0
[  229.183335][ T6398]  ? do_raw_spin_unlock+0x121/0x230
[  229.188607][ T6398]  kobject_add_internal+0x6b8/0xc70
[  229.193877][ T6398]  kobject_init_and_add+0x126/0x190
[  229.199146][ T6398]  ? lockdep_softirqs_off+0x430/0x430
[  229.204581][ T6398]  ? kobject_add+0x220/0x220
[  229.209245][ T6398]  ? __init_swait_queue_head+0xa9/0x150
[  229.214861][ T6398]  gfs2_sys_fs_add+0x238/0x470
[  229.219691][ T6398]  ? gfs2_recover_set+0x250/0x250
[  229.224803][ T6398]  ? apply_workqueue_attrs+0x180/0x180
[  229.230334][ T6398]  gfs2_fill_super+0x1323/0x1f80
[  229.235347][ T6398]  ? gfs2_reconfigure+0xb10/0xb10
[  229.240441][ T6398]  ? setup_bdev_super+0x56b/0x660
[  229.245549][ T6398]  get_tree_bdev+0x3e4/0x510
[  229.250173][ T6398]  ? end_current_label_crit_section+0x170/0x170
[  229.256474][ T6398]  ? gfs2_reconfigure+0xb10/0xb10
[  229.261542][ T6398]  ? setup_bdev_super+0x660/0x660
[  229.266632][ T6398]  gfs2_get_tree+0x51/0x1e0
[  229.271185][ T6398]  vfs_get_tree+0x8c/0x280
[  229.275656][ T6398]  do_new_mount+0x24b/0xa40
[  229.280193][ T6398]  __se_sys_mount+0x2da/0x3c0
[  229.284906][ T6398]  ? __x64_sys_mount+0xc0/0xc0
[  229.289703][ T6398]  ? lockdep_hardirqs_on+0x98/0x150
[  229.294962][ T6398]  ? __x64_sys_mount+0x20/0xc0
[  229.299777][ T6398]  do_syscall_64+0x55/0xb0
[  229.304223][ T6398]  ? clear_bhb_loop+0x40/0x90
[  229.308932][ T6398]  ? clear_bhb_loop+0x40/0x90
[  229.313647][ T6398]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  229.319662][ T6398] RIP: 0033:0x7f44e1590eea
[  229.324110][ T6398] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  229.343837][ T6398] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.352288][ T6398] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  229.360292][ T6398] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  229.368293][ T6398] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  229.376380][ T6398] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  229.384380][ T6398] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  229.392485][ T6398]  </TASK>
[  229.408836][ T6398] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.424013][ T6398] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  229.818509][ T6401] loop1: detected capacity change from 0 to 32768
[  229.833925][ T6401] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  229.842608][ T6401] CPU: 1 PID: 6401 Comm: syz.1.163 Not tainted syzkaller #0
[  229.849980][ T6401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  229.860090][ T6401] Call Trace:
[  229.863414][ T6401]  <TASK>
[  229.866384][ T6401]  dump_stack_lvl+0x16c/0x230
[  229.871138][ T6401]  ? show_regs_print_info+0x20/0x20
[  229.876411][ T6401]  ? load_image+0x3b0/0x3b0
[  229.880997][ T6401]  sysfs_create_dir_ns+0x256/0x280
[  229.886186][ T6401]  ? sysfs_warn_dup+0xa0/0xa0
[  229.890929][ T6401]  ? do_raw_spin_unlock+0x121/0x230
[  229.896197][ T6401]  kobject_add_internal+0x6b8/0xc70
[  229.901510][ T6401]  kobject_init_and_add+0x126/0x190
[  229.906859][ T6401]  ? lockdep_softirqs_off+0x430/0x430
[  229.912300][ T6401]  ? kobject_add+0x220/0x220
[  229.916964][ T6401]  ? __init_swait_queue_head+0xa9/0x150
[  229.922578][ T6401]  gfs2_sys_fs_add+0x238/0x470
[  229.927410][ T6401]  ? gfs2_recover_set+0x250/0x250
[  229.932514][ T6401]  ? apply_workqueue_attrs+0x180/0x180
[  229.938049][ T6401]  gfs2_fill_super+0x1323/0x1f80
[  229.943066][ T6401]  ? gfs2_reconfigure+0xb10/0xb10
[  229.948167][ T6401]  ? setup_bdev_super+0x56b/0x660
[  229.953344][ T6401]  get_tree_bdev+0x3e4/0x510
[  229.957998][ T6401]  ? end_current_label_crit_section+0x170/0x170
[  229.964302][ T6401]  ? gfs2_reconfigure+0xb10/0xb10
[  229.969402][ T6401]  ? setup_bdev_super+0x660/0x660
[  229.974505][ T6401]  gfs2_get_tree+0x51/0x1e0
[  229.979078][ T6401]  vfs_get_tree+0x8c/0x280
[  229.983554][ T6401]  do_new_mount+0x24b/0xa40
[  229.988139][ T6401]  __se_sys_mount+0x2da/0x3c0
[  229.992888][ T6401]  ? __x64_sys_mount+0xc0/0xc0
[  229.997739][ T6401]  ? lockdep_hardirqs_on+0x98/0x150
[  230.003006][ T6401]  ? __x64_sys_mount+0x20/0xc0
[  230.007821][ T6401]  do_syscall_64+0x55/0xb0
[  230.012285][ T6401]  ? clear_bhb_loop+0x40/0x90
[  230.017020][ T6401]  ? clear_bhb_loop+0x40/0x90
[  230.021799][ T6401]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  230.027752][ T6401] RIP: 0033:0x7f44e1590eea
[  230.032215][ T6401] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  230.051878][ T6401] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.060395][ T6401] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  230.068431][ T6401] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  230.076460][ T6401] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  230.084486][ T6401] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  230.092517][ T6401] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  230.100561][ T6401]  </TASK>
[  230.106687][ T6401] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  230.122003][ T6401] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  230.547497][ T6404] loop1: detected capacity change from 0 to 32768
[  230.560008][ T6404] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  230.571336][ T6404] CPU: 1 PID: 6404 Comm: syz.1.164 Not tainted syzkaller #0
[  230.578707][ T6404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  230.588819][ T6404] Call Trace:
[  230.592155][ T6404]  <TASK>
[  230.595137][ T6404]  dump_stack_lvl+0x16c/0x230
[  230.599933][ T6404]  ? show_regs_print_info+0x20/0x20
[  230.605201][ T6404]  ? load_image+0x3b0/0x3b0
[  230.609836][ T6404]  sysfs_create_dir_ns+0x256/0x280
[  230.615033][ T6404]  ? sysfs_warn_dup+0xa0/0xa0
[  230.619794][ T6404]  ? do_raw_spin_unlock+0x121/0x230
[  230.625074][ T6404]  kobject_add_internal+0x6b8/0xc70
[  230.630353][ T6404]  kobject_init_and_add+0x126/0x190
[  230.635626][ T6404]  ? lockdep_softirqs_off+0x430/0x430
[  230.641079][ T6404]  ? kobject_add+0x220/0x220
[  230.645826][ T6404]  ? __init_swait_queue_head+0xa9/0x150
[  230.651627][ T6404]  gfs2_sys_fs_add+0x238/0x470
[  230.656487][ T6404]  ? gfs2_recover_set+0x250/0x250
[  230.661592][ T6404]  ? apply_workqueue_attrs+0x180/0x180
[  230.667199][ T6404]  gfs2_fill_super+0x1323/0x1f80
[  230.672227][ T6404]  ? gfs2_reconfigure+0xb10/0xb10
[  230.677324][ T6404]  ? setup_bdev_super+0x56b/0x660
[  230.682403][ T6404]  get_tree_bdev+0x3e4/0x510
[  230.687075][ T6404]  ? end_current_label_crit_section+0x170/0x170
[  230.693377][ T6404]  ? gfs2_reconfigure+0xb10/0xb10
[  230.698480][ T6404]  ? setup_bdev_super+0x660/0x660
[  230.703593][ T6404]  gfs2_get_tree+0x51/0x1e0
[  230.708171][ T6404]  vfs_get_tree+0x8c/0x280
[  230.712648][ T6404]  do_new_mount+0x24b/0xa40
[  230.717214][ T6404]  __se_sys_mount+0x2da/0x3c0
[  230.721948][ T6404]  ? __x64_sys_mount+0xc0/0xc0
[  230.726776][ T6404]  ? lockdep_hardirqs_on+0x98/0x150
[  230.732051][ T6404]  ? __x64_sys_mount+0x20/0xc0
[  230.736881][ T6404]  do_syscall_64+0x55/0xb0
[  230.741351][ T6404]  ? clear_bhb_loop+0x40/0x90
[  230.746080][ T6404]  ? clear_bhb_loop+0x40/0x90
[  230.750950][ T6404]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  230.756864][ T6404] RIP: 0033:0x7f44e1590eea
[  230.761312][ T6404] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  230.781024][ T6404] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.789549][ T6404] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  230.797546][ T6404] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  230.805561][ T6404] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  230.813551][ T6404] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  230.821573][ T6404] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  230.829573][ T6404]  </TASK>
[  230.833807][ T6404] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  230.847953][ T6404] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  231.327565][ T6407] loop1: detected capacity change from 0 to 32768
[  231.347495][ T6407] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  231.355139][ T6407] CPU: 0 PID: 6407 Comm: syz.1.165 Not tainted syzkaller #0
[  231.362508][ T6407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  231.372631][ T6407] Call Trace:
[  231.375961][ T6407]  <TASK>
[  231.378941][ T6407]  dump_stack_lvl+0x16c/0x230
[  231.383684][ T6407]  ? show_regs_print_info+0x20/0x20
[  231.388947][ T6407]  ? load_image+0x3b0/0x3b0
[  231.393534][ T6407]  sysfs_create_dir_ns+0x256/0x280
[  231.398735][ T6407]  ? sysfs_warn_dup+0xa0/0xa0
[  231.403557][ T6407]  ? do_raw_spin_unlock+0x121/0x230
[  231.408824][ T6407]  kobject_add_internal+0x6b8/0xc70
[  231.414093][ T6407]  kobject_init_and_add+0x126/0x190
[  231.419358][ T6407]  ? lockdep_softirqs_off+0x430/0x430
[  231.424799][ T6407]  ? kobject_add+0x220/0x220
[  231.429539][ T6407]  ? __init_swait_queue_head+0xa9/0x150
[  231.435156][ T6407]  gfs2_sys_fs_add+0x238/0x470
[  231.439977][ T6407]  ? gfs2_recover_set+0x250/0x250
[  231.445099][ T6407]  ? apply_workqueue_attrs+0x180/0x180
[  231.450625][ T6407]  gfs2_fill_super+0x1323/0x1f80
[  231.455615][ T6407]  ? gfs2_reconfigure+0xb10/0xb10
[  231.460700][ T6407]  ? setup_bdev_super+0x56b/0x660
[  231.465969][ T6407]  get_tree_bdev+0x3e4/0x510
[  231.470606][ T6407]  ? end_current_label_crit_section+0x170/0x170
[  231.476904][ T6407]  ? gfs2_reconfigure+0xb10/0xb10
[  231.481968][ T6407]  ? setup_bdev_super+0x660/0x660
[  231.487034][ T6407]  gfs2_get_tree+0x51/0x1e0
[  231.491590][ T6407]  vfs_get_tree+0x8c/0x280
[  231.496049][ T6407]  do_new_mount+0x24b/0xa40
[  231.500596][ T6407]  __se_sys_mount+0x2da/0x3c0
[  231.505330][ T6407]  ? __x64_sys_mount+0xc0/0xc0
[  231.510128][ T6407]  ? lockdep_hardirqs_on+0x98/0x150
[  231.515359][ T6407]  ? __x64_sys_mount+0x20/0xc0
[  231.520164][ T6407]  do_syscall_64+0x55/0xb0
[  231.524618][ T6407]  ? clear_bhb_loop+0x40/0x90
[  231.529334][ T6407]  ? clear_bhb_loop+0x40/0x90
[  231.534052][ T6407]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  231.539986][ T6407] RIP: 0033:0x7f44e1590eea
[  231.544470][ T6407] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  231.564117][ T6407] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.572570][ T6407] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  231.580581][ T6407] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  231.588646][ T6407] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  231.596676][ T6407] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  231.604716][ T6407] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  231.612752][ T6407]  </TASK>
[  231.625406][ T6407] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.639566][ T6407] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  232.061099][ T6410] loop1: detected capacity change from 0 to 32768
[  232.074675][ T6410] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  232.084799][ T6410] CPU: 0 PID: 6410 Comm: syz.1.166 Not tainted syzkaller #0
[  232.092177][ T6410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  232.102293][ T6410] Call Trace:
[  232.105634][ T6410]  <TASK>
[  232.108619][ T6410]  dump_stack_lvl+0x16c/0x230
[  232.113419][ T6410]  ? show_regs_print_info+0x20/0x20
[  232.118728][ T6410]  ? load_image+0x3b0/0x3b0
[  232.123329][ T6410]  sysfs_create_dir_ns+0x256/0x280
[  232.128526][ T6410]  ? sysfs_warn_dup+0xa0/0xa0
[  232.133372][ T6410]  ? do_raw_spin_unlock+0x121/0x230
[  232.138646][ T6410]  kobject_add_internal+0x6b8/0xc70
[  232.143927][ T6410]  kobject_init_and_add+0x126/0x190
[  232.149205][ T6410]  ? lockdep_softirqs_off+0x430/0x430
[  232.154640][ T6410]  ? kobject_add+0x220/0x220
[  232.159308][ T6410]  ? __init_swait_queue_head+0xa9/0x150
[  232.164932][ T6410]  gfs2_sys_fs_add+0x238/0x470
[  232.169772][ T6410]  ? gfs2_recover_set+0x250/0x250
[  232.174878][ T6410]  ? apply_workqueue_attrs+0x180/0x180
[  232.180427][ T6410]  gfs2_fill_super+0x1323/0x1f80
[  232.185473][ T6410]  ? gfs2_reconfigure+0xb10/0xb10
[  232.190574][ T6410]  ? setup_bdev_super+0x56b/0x660
[  232.195633][ T6410]  get_tree_bdev+0x3e4/0x510
[  232.200254][ T6410]  ? end_current_label_crit_section+0x170/0x170
[  232.206549][ T6410]  ? gfs2_reconfigure+0xb10/0xb10
[  232.211631][ T6410]  ? setup_bdev_super+0x660/0x660
[  232.216733][ T6410]  gfs2_get_tree+0x51/0x1e0
[  232.221301][ T6410]  vfs_get_tree+0x8c/0x280
[  232.225764][ T6410]  do_new_mount+0x24b/0xa40
[  232.230305][ T6410]  __se_sys_mount+0x2da/0x3c0
[  232.235044][ T6410]  ? __x64_sys_mount+0xc0/0xc0
[  232.239857][ T6410]  ? lockdep_hardirqs_on+0x98/0x150
[  232.245114][ T6410]  ? __x64_sys_mount+0x20/0xc0
[  232.249925][ T6410]  do_syscall_64+0x55/0xb0
[  232.254381][ T6410]  ? clear_bhb_loop+0x40/0x90
[  232.259108][ T6410]  ? clear_bhb_loop+0x40/0x90
[  232.263844][ T6410]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  232.269979][ T6410] RIP: 0033:0x7f44e1590eea
[  232.274458][ T6410] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  232.294106][ T6410] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  232.302557][ T6410] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  232.310562][ T6410] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  232.318652][ T6410] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  232.326651][ T6410] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  232.334740][ T6410] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  232.342767][ T6410]  </TASK>
[  232.348829][ T6410] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  232.364815][ T6410] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  232.779453][ T6413] loop1: detected capacity change from 0 to 32768
[  232.796884][ T6413] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  232.806771][ T6413] CPU: 0 PID: 6413 Comm: syz.1.167 Not tainted syzkaller #0
[  232.814144][ T6413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  232.824437][ T6413] Call Trace:
[  232.827773][ T6413]  <TASK>
[  232.830753][ T6413]  dump_stack_lvl+0x16c/0x230
[  232.835514][ T6413]  ? show_regs_print_info+0x20/0x20
[  232.840791][ T6413]  ? load_image+0x3b0/0x3b0
[  232.845468][ T6413]  sysfs_create_dir_ns+0x256/0x280
[  232.850707][ T6413]  ? sysfs_warn_dup+0xa0/0xa0
[  232.855459][ T6413]  ? do_raw_spin_unlock+0x121/0x230
[  232.861163][ T6413]  kobject_add_internal+0x6b8/0xc70
[  232.866439][ T6413]  kobject_init_and_add+0x126/0x190
[  232.871692][ T6413]  ? lockdep_softirqs_off+0x430/0x430
[  232.877117][ T6413]  ? kobject_add+0x220/0x220
[  232.881752][ T6413]  ? __init_swait_queue_head+0xa9/0x150
[  232.887331][ T6413]  gfs2_sys_fs_add+0x238/0x470
[  232.892167][ T6413]  ? gfs2_recover_set+0x250/0x250
[  232.897237][ T6413]  ? apply_workqueue_attrs+0x180/0x180
[  232.902738][ T6413]  gfs2_fill_super+0x1323/0x1f80
[  232.907742][ T6413]  ? gfs2_reconfigure+0xb10/0xb10
[  232.912816][ T6413]  ? setup_bdev_super+0x56b/0x660
[  232.917969][ T6413]  get_tree_bdev+0x3e4/0x510
[  232.922587][ T6413]  ? end_current_label_crit_section+0x170/0x170
[  232.928978][ T6413]  ? gfs2_reconfigure+0xb10/0xb10
[  232.934045][ T6413]  ? setup_bdev_super+0x660/0x660
[  232.939102][ T6413]  gfs2_get_tree+0x51/0x1e0
[  232.943725][ T6413]  vfs_get_tree+0x8c/0x280
[  232.948176][ T6413]  do_new_mount+0x24b/0xa40
[  232.952761][ T6413]  __se_sys_mount+0x2da/0x3c0
[  232.957567][ T6413]  ? __x64_sys_mount+0xc0/0xc0
[  232.962374][ T6413]  ? lockdep_hardirqs_on+0x98/0x150
[  232.967606][ T6413]  ? __x64_sys_mount+0x20/0xc0
[  232.972401][ T6413]  do_syscall_64+0x55/0xb0
[  232.976874][ T6413]  ? clear_bhb_loop+0x40/0x90
[  232.981619][ T6413]  ? clear_bhb_loop+0x40/0x90
[  232.986355][ T6413]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  232.992303][ T6413] RIP: 0033:0x7f44e1590eea
[  232.996763][ T6413] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  233.016426][ T6413] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  233.024876][ T6413] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  233.032877][ T6413] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  233.040875][ T6413] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  233.048878][ T6413] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  233.056877][ T6413] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  233.064898][ T6413]  </TASK>
[  233.076088][ T6413] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  233.092796][ T6413] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/03 04:13:15 executed programs: 153
[  233.507472][ T6416] loop1: detected capacity change from 0 to 32768
[  233.517703][ T6416] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  233.527370][ T6416] CPU: 1 PID: 6416 Comm: syz.1.168 Not tainted syzkaller #0
[  233.534725][ T6416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  233.544838][ T6416] Call Trace:
[  233.548176][ T6416]  <TASK>
[  233.551155][ T6416]  dump_stack_lvl+0x16c/0x230
[  233.555909][ T6416]  ? show_regs_print_info+0x20/0x20
[  233.561181][ T6416]  ? load_image+0x3b0/0x3b0
[  233.565761][ T6416]  sysfs_create_dir_ns+0x256/0x280
[  233.570980][ T6416]  ? sysfs_warn_dup+0xa0/0xa0
[  233.575742][ T6416]  ? do_raw_spin_unlock+0x121/0x230
[  233.581009][ T6416]  kobject_add_internal+0x6b8/0xc70
[  233.586292][ T6416]  kobject_init_and_add+0x126/0x190
[  233.591556][ T6416]  ? lockdep_softirqs_off+0x430/0x430
[  233.597082][ T6416]  ? kobject_add+0x220/0x220
[  233.601736][ T6416]  ? __init_swait_queue_head+0xa9/0x150
[  233.607326][ T6416]  gfs2_sys_fs_add+0x238/0x470
[  233.612125][ T6416]  ? gfs2_recover_set+0x250/0x250
[  233.617218][ T6416]  ? apply_workqueue_attrs+0x180/0x180
[  233.622755][ T6416]  gfs2_fill_super+0x1323/0x1f80
[  233.627756][ T6416]  ? gfs2_reconfigure+0xb10/0xb10
[  233.632835][ T6416]  ? setup_bdev_super+0x56b/0x660
[  233.637899][ T6416]  get_tree_bdev+0x3e4/0x510
[  233.642526][ T6416]  ? end_current_label_crit_section+0x170/0x170
[  233.648803][ T6416]  ? gfs2_reconfigure+0xb10/0xb10
[  233.653864][ T6416]  ? setup_bdev_super+0x660/0x660
[  233.658922][ T6416]  gfs2_get_tree+0x51/0x1e0
[  233.663459][ T6416]  vfs_get_tree+0x8c/0x280
[  233.667923][ T6416]  do_new_mount+0x24b/0xa40
[  233.672464][ T6416]  __se_sys_mount+0x2da/0x3c0
[  233.677209][ T6416]  ? __x64_sys_mount+0xc0/0xc0
[  233.682046][ T6416]  ? lockdep_hardirqs_on+0x98/0x150
[  233.687284][ T6416]  ? __x64_sys_mount+0x20/0xc0
[  233.692083][ T6416]  do_syscall_64+0x55/0xb0
[  233.696530][ T6416]  ? clear_bhb_loop+0x40/0x90
[  233.701246][ T6416]  ? clear_bhb_loop+0x40/0x90
[  233.705998][ T6416]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  233.711928][ T6416] RIP: 0033:0x7f44e1590eea
[  233.716402][ T6416] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  233.736390][ T6416] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  233.744842][ T6416] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  233.752843][ T6416] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  233.760849][ T6416] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  233.768857][ T6416] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  233.776856][ T6416] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  233.784883][ T6416]  </TASK>
[  233.799655][ T6416] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  233.816293][ T6416] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  234.228528][ T6419] loop1: detected capacity change from 0 to 32768
[  234.238622][ T6419] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  234.246116][ T6419] CPU: 0 PID: 6419 Comm: syz.1.169 Not tainted syzkaller #0
[  234.253459][ T6419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  234.263575][ T6419] Call Trace:
[  234.266905][ T6419]  <TASK>
[  234.269892][ T6419]  dump_stack_lvl+0x16c/0x230
[  234.274645][ T6419]  ? show_regs_print_info+0x20/0x20
[  234.280053][ T6419]  ? load_image+0x3b0/0x3b0
[  234.284644][ T6419]  sysfs_create_dir_ns+0x256/0x280
[  234.289833][ T6419]  ? sysfs_warn_dup+0xa0/0xa0
[  234.294582][ T6419]  ? do_raw_spin_unlock+0x121/0x230
[  234.299860][ T6419]  kobject_add_internal+0x6b8/0xc70
[  234.305132][ T6419]  kobject_init_and_add+0x126/0x190
[  234.310394][ T6419]  ? lockdep_softirqs_off+0x430/0x430
[  234.315838][ T6419]  ? kobject_add+0x220/0x220
[  234.320498][ T6419]  ? __init_swait_queue_head+0xa9/0x150
[  234.326115][ T6419]  gfs2_sys_fs_add+0x238/0x470
[  234.330945][ T6419]  ? gfs2_recover_set+0x250/0x250
[  234.336030][ T6419]  ? apply_workqueue_attrs+0x180/0x180
[  234.341577][ T6419]  gfs2_fill_super+0x1323/0x1f80
[  234.346682][ T6419]  ? gfs2_reconfigure+0xb10/0xb10
[  234.351787][ T6419]  ? setup_bdev_super+0x56b/0x660
[  234.356883][ T6419]  get_tree_bdev+0x3e4/0x510
[  234.361535][ T6419]  ? end_current_label_crit_section+0x170/0x170
[  234.367839][ T6419]  ? gfs2_reconfigure+0xb10/0xb10
[  234.372928][ T6419]  ? setup_bdev_super+0x660/0x660
[  234.378013][ T6419]  gfs2_get_tree+0x51/0x1e0
[  234.382600][ T6419]  vfs_get_tree+0x8c/0x280
[  234.387080][ T6419]  do_new_mount+0x24b/0xa40
[  234.391646][ T6419]  __se_sys_mount+0x2da/0x3c0
[  234.396377][ T6419]  ? __x64_sys_mount+0xc0/0xc0
[  234.401206][ T6419]  ? lockdep_hardirqs_on+0x98/0x150
[  234.406477][ T6419]  ? __x64_sys_mount+0x20/0xc0
[  234.411325][ T6419]  do_syscall_64+0x55/0xb0
[  234.415791][ T6419]  ? clear_bhb_loop+0x40/0x90
[  234.420528][ T6419]  ? clear_bhb_loop+0x40/0x90
[  234.425267][ T6419]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  234.431202][ T6419] RIP: 0033:0x7f44e1590eea
[  234.435636][ T6419] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  234.455261][ T6419] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  234.463694][ T6419] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  234.471687][ T6419] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  234.479673][ T6419] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  234.487667][ T6419] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  234.495657][ T6419] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  234.503658][ T6419]  </TASK>
[  234.509012][ T6419] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  234.524943][ T6419] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  234.993876][ T6422] loop1: detected capacity change from 0 to 32768
[  235.009841][ T6422] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  235.018953][ T6422] CPU: 0 PID: 6422 Comm: syz.1.170 Not tainted syzkaller #0
[  235.026331][ T6422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  235.036450][ T6422] Call Trace:
[  235.039785][ T6422]  <TASK>
[  235.042767][ T6422]  dump_stack_lvl+0x16c/0x230
[  235.047520][ T6422]  ? show_regs_print_info+0x20/0x20
[  235.052786][ T6422]  ? load_image+0x3b0/0x3b0
[  235.057364][ T6422]  sysfs_create_dir_ns+0x256/0x280
[  235.062546][ T6422]  ? sysfs_warn_dup+0xa0/0xa0
[  235.067304][ T6422]  ? do_raw_spin_unlock+0x121/0x230
[  235.072563][ T6422]  kobject_add_internal+0x6b8/0xc70
[  235.077827][ T6422]  kobject_init_and_add+0x126/0x190
[  235.083088][ T6422]  ? lockdep_softirqs_off+0x430/0x430
[  235.088521][ T6422]  ? kobject_add+0x220/0x220
[  235.093220][ T6422]  ? __init_swait_queue_head+0xa9/0x150
[  235.098826][ T6422]  gfs2_sys_fs_add+0x238/0x470
[  235.103650][ T6422]  ? gfs2_recover_set+0x250/0x250
[  235.108744][ T6422]  ? apply_workqueue_attrs+0x180/0x180
[  235.114267][ T6422]  gfs2_fill_super+0x1323/0x1f80
[  235.119289][ T6422]  ? gfs2_reconfigure+0xb10/0xb10
[  235.124393][ T6422]  ? setup_bdev_super+0x56b/0x660
[  235.129483][ T6422]  get_tree_bdev+0x3e4/0x510
[  235.134143][ T6422]  ? end_current_label_crit_section+0x170/0x170
[  235.140473][ T6422]  ? gfs2_reconfigure+0xb10/0xb10
[  235.145562][ T6422]  ? setup_bdev_super+0x660/0x660
[  235.150806][ T6422]  gfs2_get_tree+0x51/0x1e0
[  235.155386][ T6422]  vfs_get_tree+0x8c/0x280
[  235.159872][ T6422]  do_new_mount+0x24b/0xa40
[  235.164440][ T6422]  __se_sys_mount+0x2da/0x3c0
[  235.169179][ T6422]  ? __x64_sys_mount+0xc0/0xc0
[  235.173998][ T6422]  ? lockdep_hardirqs_on+0x98/0x150
[  235.179252][ T6422]  ? __x64_sys_mount+0x20/0xc0
[  235.184077][ T6422]  do_syscall_64+0x55/0xb0
[  235.188542][ T6422]  ? clear_bhb_loop+0x40/0x90
[  235.193279][ T6422]  ? clear_bhb_loop+0x40/0x90
[  235.198048][ T6422]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  235.204001][ T6422] RIP: 0033:0x7f44e1590eea
[  235.208474][ T6422] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  235.228136][ T6422] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.236611][ T6422] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  235.244635][ T6422] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  235.252658][ T6422] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  235.260691][ T6422] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  235.268713][ T6422] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  235.276752][ T6422]  </TASK>
[  235.281975][ T6422] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  235.296072][ T6422] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  235.719614][ T6425] loop1: detected capacity change from 0 to 32768
[  235.741873][ T6425] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  235.749628][ T6425] CPU: 1 PID: 6425 Comm: syz.1.171 Not tainted syzkaller #0
[  235.756991][ T6425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  235.767109][ T6425] Call Trace:
[  235.770453][ T6425]  <TASK>
[  235.773448][ T6425]  dump_stack_lvl+0x16c/0x230
[  235.778207][ T6425]  ? show_regs_print_info+0x20/0x20
[  235.783487][ T6425]  ? load_image+0x3b0/0x3b0
[  235.788071][ T6425]  sysfs_create_dir_ns+0x256/0x280
[  235.793259][ T6425]  ? sysfs_warn_dup+0xa0/0xa0
[  235.798033][ T6425]  ? do_raw_spin_unlock+0x121/0x230
[  235.803309][ T6425]  kobject_add_internal+0x6b8/0xc70
[  235.808597][ T6425]  kobject_init_and_add+0x126/0x190
[  235.813866][ T6425]  ? lockdep_softirqs_off+0x430/0x430
[  235.819319][ T6425]  ? kobject_add+0x220/0x220
[  235.823979][ T6425]  ? __init_swait_queue_head+0xa9/0x150
[  235.829586][ T6425]  gfs2_sys_fs_add+0x238/0x470
[  235.834498][ T6425]  ? gfs2_recover_set+0x250/0x250
[  235.839591][ T6425]  ? apply_workqueue_attrs+0x180/0x180
[  235.845135][ T6425]  gfs2_fill_super+0x1323/0x1f80
[  235.850158][ T6425]  ? gfs2_reconfigure+0xb10/0xb10
[  235.855259][ T6425]  ? setup_bdev_super+0x56b/0x660
[  235.860339][ T6425]  get_tree_bdev+0x3e4/0x510
[  235.864994][ T6425]  ? end_current_label_crit_section+0x170/0x170
[  235.871386][ T6425]  ? gfs2_reconfigure+0xb10/0xb10
[  235.876478][ T6425]  ? setup_bdev_super+0x660/0x660
[  235.881578][ T6425]  gfs2_get_tree+0x51/0x1e0
[  235.886160][ T6425]  vfs_get_tree+0x8c/0x280
[  235.890642][ T6425]  do_new_mount+0x24b/0xa40
[  235.895219][ T6425]  __se_sys_mount+0x2da/0x3c0
[  235.899960][ T6425]  ? __x64_sys_mount+0xc0/0xc0
[  235.904880][ T6425]  ? lockdep_hardirqs_on+0x98/0x150
[  235.910228][ T6425]  ? __x64_sys_mount+0x20/0xc0
[  235.915038][ T6425]  do_syscall_64+0x55/0xb0
[  235.919494][ T6425]  ? clear_bhb_loop+0x40/0x90
[  235.924212][ T6425]  ? clear_bhb_loop+0x40/0x90
[  235.928936][ T6425]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  235.934864][ T6425] RIP: 0033:0x7f44e1590eea
[  235.939314][ T6425] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  235.958962][ T6425] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.967408][ T6425] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  235.975414][ T6425] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  235.983436][ T6425] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  235.991449][ T6425] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  235.999498][ T6425] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  236.007530][ T6425]  </TASK>
[  236.012250][ T6425] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  236.035144][ T6425] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  236.469857][ T6428] loop1: detected capacity change from 0 to 32768
[  236.485366][ T6428] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  236.493744][ T6428] CPU: 1 PID: 6428 Comm: syz.1.172 Not tainted syzkaller #0
[  236.501111][ T6428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  236.511229][ T6428] Call Trace:
[  236.514558][ T6428]  <TASK>
[  236.517538][ T6428]  dump_stack_lvl+0x16c/0x230
[  236.522295][ T6428]  ? show_regs_print_info+0x20/0x20
[  236.527574][ T6428]  ? load_image+0x3b0/0x3b0
[  236.532157][ T6428]  sysfs_create_dir_ns+0x256/0x280
[  236.537348][ T6428]  ? sysfs_warn_dup+0xa0/0xa0
[  236.542110][ T6428]  ? do_raw_spin_unlock+0x121/0x230
[  236.547373][ T6428]  kobject_add_internal+0x6b8/0xc70
[  236.552630][ T6428]  kobject_init_and_add+0x126/0x190
[  236.557864][ T6428]  ? lockdep_softirqs_off+0x430/0x430
[  236.563383][ T6428]  ? kobject_add+0x220/0x220
[  236.568029][ T6428]  ? __init_swait_queue_head+0xa9/0x150
[  236.573613][ T6428]  gfs2_sys_fs_add+0x238/0x470
[  236.578418][ T6428]  ? gfs2_recover_set+0x250/0x250
[  236.583482][ T6428]  ? apply_workqueue_attrs+0x180/0x180
[  236.589026][ T6428]  gfs2_fill_super+0x1323/0x1f80
[  236.594108][ T6428]  ? gfs2_reconfigure+0xb10/0xb10
[  236.599177][ T6428]  ? setup_bdev_super+0x56b/0x660
[  236.604233][ T6428]  get_tree_bdev+0x3e4/0x510
[  236.608854][ T6428]  ? end_current_label_crit_section+0x170/0x170
[  236.615141][ T6428]  ? gfs2_reconfigure+0xb10/0xb10
[  236.620205][ T6428]  ? setup_bdev_super+0x660/0x660
[  236.625269][ T6428]  gfs2_get_tree+0x51/0x1e0
[  236.629811][ T6428]  vfs_get_tree+0x8c/0x280
[  236.634264][ T6428]  do_new_mount+0x24b/0xa40
[  236.638812][ T6428]  __se_sys_mount+0x2da/0x3c0
[  236.643523][ T6428]  ? __x64_sys_mount+0xc0/0xc0
[  236.648350][ T6428]  ? lockdep_hardirqs_on+0x98/0x150
[  236.653584][ T6428]  ? __x64_sys_mount+0x20/0xc0
[  236.658374][ T6428]  do_syscall_64+0x55/0xb0
[  236.662817][ T6428]  ? clear_bhb_loop+0x40/0x90
[  236.667526][ T6428]  ? clear_bhb_loop+0x40/0x90
[  236.672242][ T6428]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  236.678164][ T6428] RIP: 0033:0x7f44e1590eea
[  236.682610][ T6428] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  236.702274][ T6428] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  236.710719][ T6428] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  236.718724][ T6428] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  236.726730][ T6428] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  236.734731][ T6428] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  236.742734][ T6428] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  236.750753][ T6428]  </TASK>
[  236.756466][ T6428] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  236.775420][ T6428] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  237.194429][ T6431] loop1: detected capacity change from 0 to 32768
[  237.213693][ T6431] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  237.222393][ T6431] CPU: 0 PID: 6431 Comm: syz.1.173 Not tainted syzkaller #0
[  237.229881][ T6431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  237.240086][ T6431] Call Trace:
[  237.243414][ T6431]  <TASK>
[  237.246436][ T6431]  dump_stack_lvl+0x16c/0x230
[  237.251225][ T6431]  ? show_regs_print_info+0x20/0x20
[  237.256496][ T6431]  ? load_image+0x3b0/0x3b0
[  237.261200][ T6431]  sysfs_create_dir_ns+0x256/0x280
[  237.266395][ T6431]  ? sysfs_warn_dup+0xa0/0xa0
[  237.271151][ T6431]  ? do_raw_spin_unlock+0x121/0x230
[  237.276452][ T6431]  kobject_add_internal+0x6b8/0xc70
[  237.281720][ T6431]  kobject_init_and_add+0x126/0x190
[  237.286978][ T6431]  ? lockdep_softirqs_off+0x430/0x430
[  237.292506][ T6431]  ? kobject_add+0x220/0x220
[  237.297166][ T6431]  ? __init_swait_queue_head+0xa9/0x150
[  237.302774][ T6431]  gfs2_sys_fs_add+0x238/0x470
[  237.307598][ T6431]  ? gfs2_recover_set+0x250/0x250
[  237.312724][ T6431]  ? apply_workqueue_attrs+0x180/0x180
[  237.318337][ T6431]  gfs2_fill_super+0x1323/0x1f80
[  237.323341][ T6431]  ? gfs2_reconfigure+0xb10/0xb10
[  237.328432][ T6431]  ? setup_bdev_super+0x56b/0x660
[  237.333507][ T6431]  get_tree_bdev+0x3e4/0x510
[  237.338138][ T6431]  ? end_current_label_crit_section+0x170/0x170
[  237.344591][ T6431]  ? gfs2_reconfigure+0xb10/0xb10
[  237.349687][ T6431]  ? setup_bdev_super+0x660/0x660
[  237.354751][ T6431]  gfs2_get_tree+0x51/0x1e0
[  237.359295][ T6431]  vfs_get_tree+0x8c/0x280
[  237.363762][ T6431]  do_new_mount+0x24b/0xa40
[  237.368301][ T6431]  __se_sys_mount+0x2da/0x3c0
[  237.373010][ T6431]  ? __x64_sys_mount+0xc0/0xc0
[  237.377834][ T6431]  ? lockdep_hardirqs_on+0x98/0x150
[  237.383070][ T6431]  ? __x64_sys_mount+0x20/0xc0
[  237.387872][ T6431]  do_syscall_64+0x55/0xb0
[  237.392314][ T6431]  ? clear_bhb_loop+0x40/0x90
[  237.397040][ T6431]  ? clear_bhb_loop+0x40/0x90
[  237.401781][ T6431]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  237.407719][ T6431] RIP: 0033:0x7f44e1590eea
[  237.412162][ T6431] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  237.431794][ T6431] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  237.440239][ T6431] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  237.448242][ T6431] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  237.456328][ T6431] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  237.464329][ T6431] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  237.472331][ T6431] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  237.480386][ T6431]  </TASK>
[  237.490445][ T6431] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  237.504759][ T6431] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  237.911488][ T6434] loop1: detected capacity change from 0 to 32768
[  237.921523][ T6434] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  237.929476][ T6434] CPU: 0 PID: 6434 Comm: syz.1.174 Not tainted syzkaller #0
[  237.936823][ T6434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  237.946936][ T6434] Call Trace:
[  237.950255][ T6434]  <TASK>
[  237.953210][ T6434]  dump_stack_lvl+0x16c/0x230
[  237.957974][ T6434]  ? show_regs_print_info+0x20/0x20
[  237.963225][ T6434]  ? load_image+0x3b0/0x3b0
[  237.967775][ T6434]  sysfs_create_dir_ns+0x256/0x280
[  237.972940][ T6434]  ? sysfs_warn_dup+0xa0/0xa0
[  237.977657][ T6434]  ? do_raw_spin_unlock+0x121/0x230
[  237.982897][ T6434]  kobject_add_internal+0x6b8/0xc70
[  237.988143][ T6434]  kobject_init_and_add+0x126/0x190
[  237.993377][ T6434]  ? lockdep_softirqs_off+0x430/0x430
[  237.998788][ T6434]  ? kobject_add+0x220/0x220
[  238.003684][ T6434]  ? __init_swait_queue_head+0xa9/0x150
[  238.009266][ T6434]  gfs2_sys_fs_add+0x238/0x470
[  238.014096][ T6434]  ? gfs2_recover_set+0x250/0x250
[  238.019171][ T6434]  ? apply_workqueue_attrs+0x180/0x180
[  238.024683][ T6434]  gfs2_fill_super+0x1323/0x1f80
[  238.029675][ T6434]  ? gfs2_reconfigure+0xb10/0xb10
[  238.034743][ T6434]  ? setup_bdev_super+0x56b/0x660
[  238.039803][ T6434]  get_tree_bdev+0x3e4/0x510
[  238.044424][ T6434]  ? end_current_label_crit_section+0x170/0x170
[  238.050737][ T6434]  ? gfs2_reconfigure+0xb10/0xb10
[  238.055797][ T6434]  ? setup_bdev_super+0x660/0x660
[  238.060880][ T6434]  gfs2_get_tree+0x51/0x1e0
[  238.065437][ T6434]  vfs_get_tree+0x8c/0x280
[  238.069883][ T6434]  do_new_mount+0x24b/0xa40
[  238.074425][ T6434]  __se_sys_mount+0x2da/0x3c0
[  238.079396][ T6434]  ? __x64_sys_mount+0xc0/0xc0
[  238.084188][ T6434]  ? lockdep_hardirqs_on+0x98/0x150
[  238.089421][ T6434]  ? __x64_sys_mount+0x20/0xc0
[  238.094217][ T6434]  do_syscall_64+0x55/0xb0
[  238.098663][ T6434]  ? clear_bhb_loop+0x40/0x90
[  238.103372][ T6434]  ? clear_bhb_loop+0x40/0x90
[  238.108086][ T6434]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  238.114009][ T6434] RIP: 0033:0x7f44e1590eea
[  238.118452][ T6434] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  238.138090][ T6434] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.146541][ T6434] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  238.154547][ T6434] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  238.162545][ T6434] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  238.170579][ T6434] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  238.178589][ T6434] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  238.186600][ T6434]  </TASK>
[  238.198345][ T6434] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  238.218448][ T6434] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/03 04:13:20 executed programs: 160
[  238.623613][ T6437] loop1: detected capacity change from 0 to 32768
[  238.633980][ T6437] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  238.645840][ T6437] CPU: 0 PID: 6437 Comm: syz.1.175 Not tainted syzkaller #0
[  238.653256][ T6437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  238.663368][ T6437] Call Trace:
[  238.666691][ T6437]  <TASK>
[  238.669678][ T6437]  dump_stack_lvl+0x16c/0x230
[  238.674430][ T6437]  ? show_regs_print_info+0x20/0x20
[  238.679710][ T6437]  ? load_image+0x3b0/0x3b0
[  238.684306][ T6437]  sysfs_create_dir_ns+0x256/0x280
[  238.689577][ T6437]  ? sysfs_warn_dup+0xa0/0xa0
[  238.694319][ T6437]  ? do_raw_spin_unlock+0x121/0x230
[  238.699595][ T6437]  kobject_add_internal+0x6b8/0xc70
[  238.704879][ T6437]  kobject_init_and_add+0x126/0x190
[  238.710142][ T6437]  ? lockdep_softirqs_off+0x430/0x430
[  238.715572][ T6437]  ? kobject_add+0x220/0x220
[  238.720225][ T6437]  ? __init_swait_queue_head+0xa9/0x150
[  238.725839][ T6437]  gfs2_sys_fs_add+0x238/0x470
[  238.730671][ T6437]  ? gfs2_recover_set+0x250/0x250
[  238.735764][ T6437]  ? apply_workqueue_attrs+0x180/0x180
[  238.741296][ T6437]  gfs2_fill_super+0x1323/0x1f80
[  238.746318][ T6437]  ? gfs2_reconfigure+0xb10/0xb10
[  238.751409][ T6437]  ? setup_bdev_super+0x56b/0x660
[  238.756488][ T6437]  get_tree_bdev+0x3e4/0x510
[  238.761130][ T6437]  ? end_current_label_crit_section+0x170/0x170
[  238.767513][ T6437]  ? gfs2_reconfigure+0xb10/0xb10
[  238.772589][ T6437]  ? setup_bdev_super+0x660/0x660
[  238.777674][ T6437]  gfs2_get_tree+0x51/0x1e0
[  238.782252][ T6437]  vfs_get_tree+0x8c/0x280
[  238.786721][ T6437]  do_new_mount+0x24b/0xa40
[  238.791281][ T6437]  __se_sys_mount+0x2da/0x3c0
[  238.796023][ T6437]  ? __x64_sys_mount+0xc0/0xc0
[  238.801019][ T6437]  ? lockdep_hardirqs_on+0x98/0x150
[  238.806326][ T6437]  ? __x64_sys_mount+0x20/0xc0
[  238.811153][ T6437]  do_syscall_64+0x55/0xb0
[  238.815617][ T6437]  ? clear_bhb_loop+0x40/0x90
[  238.820343][ T6437]  ? clear_bhb_loop+0x40/0x90
[  238.825188][ T6437]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  238.831204][ T6437] RIP: 0033:0x7f44e1590eea
[  238.835661][ T6437] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  238.855384][ T6437] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.863828][ T6437] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  238.871854][ T6437] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  238.879847][ T6437] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  238.887854][ T6437] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  238.895888][ T6437] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  238.903898][ T6437]  </TASK>
[  238.908033][ T6437] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  238.922179][ T6437] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  239.399815][ T6440] loop1: detected capacity change from 0 to 32768
[  239.412840][ T6440] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  239.421966][ T6440] CPU: 0 PID: 6440 Comm: syz.1.176 Not tainted syzkaller #0
[  239.429339][ T6440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  239.439466][ T6440] Call Trace:
[  239.442798][ T6440]  <TASK>
[  239.445784][ T6440]  dump_stack_lvl+0x16c/0x230
[  239.450543][ T6440]  ? show_regs_print_info+0x20/0x20
[  239.455830][ T6440]  ? load_image+0x3b0/0x3b0
[  239.460413][ T6440]  sysfs_create_dir_ns+0x256/0x280
[  239.465610][ T6440]  ? sysfs_warn_dup+0xa0/0xa0
[  239.470369][ T6440]  ? do_raw_spin_unlock+0x121/0x230
[  239.475640][ T6440]  kobject_add_internal+0x6b8/0xc70
[  239.480927][ T6440]  kobject_init_and_add+0x126/0x190
[  239.486188][ T6440]  ? lockdep_softirqs_off+0x430/0x430
[  239.491630][ T6440]  ? kobject_add+0x220/0x220
[  239.496301][ T6440]  ? __init_swait_queue_head+0xa9/0x150
[  239.502006][ T6440]  gfs2_sys_fs_add+0x238/0x470
[  239.506851][ T6440]  ? gfs2_recover_set+0x250/0x250
[  239.512052][ T6440]  ? apply_workqueue_attrs+0x180/0x180
[  239.517590][ T6440]  gfs2_fill_super+0x1323/0x1f80
[  239.522648][ T6440]  ? gfs2_reconfigure+0xb10/0xb10
[  239.527756][ T6440]  ? setup_bdev_super+0x56b/0x660
[  239.532833][ T6440]  get_tree_bdev+0x3e4/0x510
[  239.537460][ T6440]  ? end_current_label_crit_section+0x170/0x170
[  239.543767][ T6440]  ? gfs2_reconfigure+0xb10/0xb10
[  239.548832][ T6440]  ? setup_bdev_super+0x660/0x660
[  239.553909][ T6440]  gfs2_get_tree+0x51/0x1e0
[  239.558477][ T6440]  vfs_get_tree+0x8c/0x280
[  239.562934][ T6440]  do_new_mount+0x24b/0xa40
[  239.567578][ T6440]  __se_sys_mount+0x2da/0x3c0
[  239.572421][ T6440]  ? __x64_sys_mount+0xc0/0xc0
[  239.577405][ T6440]  ? lockdep_hardirqs_on+0x98/0x150
[  239.582640][ T6440]  ? __x64_sys_mount+0x20/0xc0
[  239.587435][ T6440]  do_syscall_64+0x55/0xb0
[  239.591891][ T6440]  ? clear_bhb_loop+0x40/0x90
[  239.596601][ T6440]  ? clear_bhb_loop+0x40/0x90
[  239.601317][ T6440]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  239.607245][ T6440] RIP: 0033:0x7f44e1590eea
[  239.611697][ T6440] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  239.631341][ T6440] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.639800][ T6440] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  239.647827][ T6440] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  239.655831][ T6440] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  239.663836][ T6440] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  239.671839][ T6440] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  239.679855][ T6440]  </TASK>
[  239.686679][ T6440] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  239.701307][ T6440] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  240.110065][ T6443] loop1: detected capacity change from 0 to 32768
[  240.130202][ T6443] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.137889][ T6443] CPU: 0 PID: 6443 Comm: syz.1.177 Not tainted syzkaller #0
[  240.145241][ T6443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  240.155443][ T6443] Call Trace:
[  240.158778][ T6443]  <TASK>
[  240.161757][ T6443]  dump_stack_lvl+0x16c/0x230
[  240.166509][ T6443]  ? show_regs_print_info+0x20/0x20
[  240.171782][ T6443]  ? load_image+0x3b0/0x3b0
[  240.176366][ T6443]  sysfs_create_dir_ns+0x256/0x280
[  240.181552][ T6443]  ? sysfs_warn_dup+0xa0/0xa0
[  240.186309][ T6443]  ? do_raw_spin_unlock+0x121/0x230
[  240.191757][ T6443]  kobject_add_internal+0x6b8/0xc70
[  240.197025][ T6443]  kobject_init_and_add+0x126/0x190
[  240.202368][ T6443]  ? lockdep_softirqs_off+0x430/0x430
[  240.207778][ T6443]  ? kobject_add+0x220/0x220
[  240.212406][ T6443]  ? __init_swait_queue_head+0xa9/0x150
[  240.217984][ T6443]  gfs2_sys_fs_add+0x238/0x470
[  240.222790][ T6443]  ? gfs2_recover_set+0x250/0x250
[  240.227860][ T6443]  ? apply_workqueue_attrs+0x180/0x180
[  240.233354][ T6443]  gfs2_fill_super+0x1323/0x1f80
[  240.238340][ T6443]  ? gfs2_reconfigure+0xb10/0xb10
[  240.243431][ T6443]  ? setup_bdev_super+0x56b/0x660
[  240.248501][ T6443]  get_tree_bdev+0x3e4/0x510
[  240.253133][ T6443]  ? end_current_label_crit_section+0x170/0x170
[  240.259412][ T6443]  ? gfs2_reconfigure+0xb10/0xb10
[  240.264466][ T6443]  ? setup_bdev_super+0x660/0x660
[  240.269526][ T6443]  gfs2_get_tree+0x51/0x1e0
[  240.274156][ T6443]  vfs_get_tree+0x8c/0x280
[  240.278599][ T6443]  do_new_mount+0x24b/0xa40
[  240.283134][ T6443]  __se_sys_mount+0x2da/0x3c0
[  240.287841][ T6443]  ? __x64_sys_mount+0xc0/0xc0
[  240.292901][ T6443]  ? lockdep_hardirqs_on+0x98/0x150
[  240.298133][ T6443]  ? __x64_sys_mount+0x20/0xc0
[  240.302935][ T6443]  do_syscall_64+0x55/0xb0
[  240.307378][ T6443]  ? clear_bhb_loop+0x40/0x90
[  240.312082][ T6443]  ? clear_bhb_loop+0x40/0x90
[  240.316792][ T6443]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  240.322727][ T6443] RIP: 0033:0x7f44e1590eea
[  240.327177][ T6443] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  240.346824][ T6443] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.355270][ T6443] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  240.363793][ T6443] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  240.371794][ T6443] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  240.379794][ T6443] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  240.387787][ T6443] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  240.395803][ T6443]  </TASK>
[  240.415595][ T6443] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  240.438168][ T6443] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  240.860007][ T6446] loop1: detected capacity change from 0 to 32768
[  240.874411][ T6446] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.882374][ T6446] CPU: 1 PID: 6446 Comm: syz.1.178 Not tainted syzkaller #0
[  240.889740][ T6446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  240.899859][ T6446] Call Trace:
[  240.903201][ T6446]  <TASK>
[  240.906180][ T6446]  dump_stack_lvl+0x16c/0x230
[  240.910980][ T6446]  ? show_regs_print_info+0x20/0x20
[  240.916262][ T6446]  ? load_image+0x3b0/0x3b0
[  240.920847][ T6446]  sysfs_create_dir_ns+0x256/0x280
[  240.926035][ T6446]  ? sysfs_warn_dup+0xa0/0xa0
[  240.930791][ T6446]  ? do_raw_spin_unlock+0x121/0x230
[  240.936055][ T6446]  kobject_add_internal+0x6b8/0xc70
[  240.941324][ T6446]  kobject_init_and_add+0x126/0x190
[  240.946586][ T6446]  ? lockdep_softirqs_off+0x430/0x430
[  240.952026][ T6446]  ? kobject_add+0x220/0x220
[  240.956689][ T6446]  ? __init_swait_queue_head+0xa9/0x150
[  240.962303][ T6446]  gfs2_sys_fs_add+0x238/0x470
[  240.967137][ T6446]  ? gfs2_recover_set+0x250/0x250
[  240.972236][ T6446]  ? apply_workqueue_attrs+0x180/0x180
[  240.977791][ T6446]  gfs2_fill_super+0x1323/0x1f80
[  240.982811][ T6446]  ? gfs2_reconfigure+0xb10/0xb10
[  240.987911][ T6446]  ? setup_bdev_super+0x56b/0x660
[  240.992978][ T6446]  get_tree_bdev+0x3e4/0x510
[  240.997604][ T6446]  ? end_current_label_crit_section+0x170/0x170
[  241.003931][ T6446]  ? gfs2_reconfigure+0xb10/0xb10
[  241.008997][ T6446]  ? setup_bdev_super+0x660/0x660
[  241.014057][ T6446]  gfs2_get_tree+0x51/0x1e0
[  241.018605][ T6446]  vfs_get_tree+0x8c/0x280
[  241.023075][ T6446]  do_new_mount+0x24b/0xa40
[  241.027624][ T6446]  __se_sys_mount+0x2da/0x3c0
[  241.032340][ T6446]  ? __x64_sys_mount+0xc0/0xc0
[  241.037141][ T6446]  ? lockdep_hardirqs_on+0x98/0x150
[  241.042378][ T6446]  ? __x64_sys_mount+0x20/0xc0
[  241.047174][ T6446]  do_syscall_64+0x55/0xb0
[  241.051633][ T6446]  ? clear_bhb_loop+0x40/0x90
[  241.056346][ T6446]  ? clear_bhb_loop+0x40/0x90
[  241.061057][ T6446]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  241.066991][ T6446] RIP: 0033:0x7f44e1590eea
[  241.071440][ T6446] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  241.091077][ T6446] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.099576][ T6446] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  241.107587][ T6446] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  241.115592][ T6446] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  241.123594][ T6446] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  241.131597][ T6446] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  241.139619][ T6446]  </TASK>
[  241.164244][ T6446] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  241.178408][ T6446] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  241.594428][ T6449] loop1: detected capacity change from 0 to 32768
[  241.607553][ T6449] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  241.616505][ T6449] CPU: 1 PID: 6449 Comm: syz.1.179 Not tainted syzkaller #0
[  241.623868][ T6449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  241.633962][ T6449] Call Trace:
[  241.637272][ T6449]  <TASK>
[  241.640232][ T6449]  dump_stack_lvl+0x16c/0x230
[  241.644955][ T6449]  ? show_regs_print_info+0x20/0x20
[  241.650205][ T6449]  ? load_image+0x3b0/0x3b0
[  241.654761][ T6449]  sysfs_create_dir_ns+0x256/0x280
[  241.659926][ T6449]  ? sysfs_warn_dup+0xa0/0xa0
[  241.664643][ T6449]  ? do_raw_spin_unlock+0x121/0x230
[  241.669884][ T6449]  kobject_add_internal+0x6b8/0xc70
[  241.675125][ T6449]  kobject_init_and_add+0x126/0x190
[  241.680361][ T6449]  ? lockdep_softirqs_off+0x430/0x430
[  241.685772][ T6449]  ? kobject_add+0x220/0x220
[  241.690402][ T6449]  ? __init_swait_queue_head+0xa9/0x150
[  241.695984][ T6449]  gfs2_sys_fs_add+0x238/0x470
[  241.700786][ T6449]  ? gfs2_recover_set+0x250/0x250
[  241.705865][ T6449]  ? apply_workqueue_attrs+0x180/0x180
[  241.711368][ T6449]  gfs2_fill_super+0x1323/0x1f80
[  241.716356][ T6449]  ? gfs2_reconfigure+0xb10/0xb10
[  241.721425][ T6449]  ? setup_bdev_super+0x56b/0x660
[  241.726520][ T6449]  get_tree_bdev+0x3e4/0x510
[  241.731161][ T6449]  ? end_current_label_crit_section+0x170/0x170
[  241.737458][ T6449]  ? gfs2_reconfigure+0xb10/0xb10
[  241.742522][ T6449]  ? setup_bdev_super+0x660/0x660
[  241.747636][ T6449]  gfs2_get_tree+0x51/0x1e0
[  241.752182][ T6449]  vfs_get_tree+0x8c/0x280
[  241.756641][ T6449]  do_new_mount+0x24b/0xa40
[  241.761184][ T6449]  __se_sys_mount+0x2da/0x3c0
[  241.765898][ T6449]  ? __x64_sys_mount+0xc0/0xc0
[  241.770709][ T6449]  ? lockdep_hardirqs_on+0x98/0x150
[  241.775945][ T6449]  ? __x64_sys_mount+0x20/0xc0
[  241.780742][ T6449]  do_syscall_64+0x55/0xb0
[  241.785190][ T6449]  ? clear_bhb_loop+0x40/0x90
[  241.789902][ T6449]  ? clear_bhb_loop+0x40/0x90
[  241.794619][ T6449]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  241.800547][ T6449] RIP: 0033:0x7f44e1590eea
[  241.804997][ T6449] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  241.824639][ T6449] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.833172][ T6449] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  241.841170][ T6449] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  241.849166][ T6449] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  241.857182][ T6449] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  241.865197][ T6449] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  241.873310][ T6449]  </TASK>
[  241.877618][ T6449] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  241.897605][ T6449] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  242.320497][ T6452] loop1: detected capacity change from 0 to 32768
[  242.335123][ T6452] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  242.342916][ T6452] CPU: 1 PID: 6452 Comm: syz.1.180 Not tainted syzkaller #0
[  242.350273][ T6452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  242.360384][ T6452] Call Trace:
[  242.363712][ T6452]  <TASK>
[  242.366699][ T6452]  dump_stack_lvl+0x16c/0x230
[  242.371453][ T6452]  ? show_regs_print_info+0x20/0x20
[  242.376731][ T6452]  ? load_image+0x3b0/0x3b0
[  242.381313][ T6452]  sysfs_create_dir_ns+0x256/0x280
[  242.386595][ T6452]  ? sysfs_warn_dup+0xa0/0xa0
[  242.391351][ T6452]  ? do_raw_spin_unlock+0x121/0x230
[  242.396670][ T6452]  kobject_add_internal+0x6b8/0xc70
[  242.401945][ T6452]  kobject_init_and_add+0x126/0x190
[  242.407192][ T6452]  ? lockdep_softirqs_off+0x430/0x430
[  242.412633][ T6452]  ? kobject_add+0x220/0x220
[  242.417276][ T6452]  ? __init_swait_queue_head+0xa9/0x150
[  242.422871][ T6452]  gfs2_sys_fs_add+0x238/0x470
[  242.427674][ T6452]  ? gfs2_recover_set+0x250/0x250
[  242.432741][ T6452]  ? apply_workqueue_attrs+0x180/0x180
[  242.438237][ T6452]  gfs2_fill_super+0x1323/0x1f80
[  242.443221][ T6452]  ? gfs2_reconfigure+0xb10/0xb10
[  242.448382][ T6452]  ? setup_bdev_super+0x56b/0x660
[  242.453442][ T6452]  get_tree_bdev+0x3e4/0x510
[  242.458075][ T6452]  ? end_current_label_crit_section+0x170/0x170
[  242.464362][ T6452]  ? gfs2_reconfigure+0xb10/0xb10
[  242.469432][ T6452]  ? setup_bdev_super+0x660/0x660
[  242.474498][ T6452]  gfs2_get_tree+0x51/0x1e0
[  242.479045][ T6452]  vfs_get_tree+0x8c/0x280
[  242.483494][ T6452]  do_new_mount+0x24b/0xa40
[  242.488041][ T6452]  __se_sys_mount+0x2da/0x3c0
[  242.492762][ T6452]  ? __x64_sys_mount+0xc0/0xc0
[  242.497566][ T6452]  ? lockdep_hardirqs_on+0x98/0x150
[  242.502884][ T6452]  ? __x64_sys_mount+0x20/0xc0
[  242.507680][ T6452]  do_syscall_64+0x55/0xb0
[  242.512131][ T6452]  ? clear_bhb_loop+0x40/0x90
[  242.516839][ T6452]  ? clear_bhb_loop+0x40/0x90
[  242.521560][ T6452]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  242.527490][ T6452] RIP: 0033:0x7f44e1590eea
[  242.531943][ T6452] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  242.551586][ T6452] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  242.560033][ T6452] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  242.568033][ T6452] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  242.576150][ T6452] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  242.584158][ T6452] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  242.592252][ T6452] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  242.600273][ T6452]  </TASK>
[  242.606719][ T6452] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  242.630796][ T6452] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  243.039406][ T6455] loop1: detected capacity change from 0 to 32768
[  243.054855][ T6455] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  243.062474][ T6455] CPU: 0 PID: 6455 Comm: syz.1.181 Not tainted syzkaller #0
[  243.069826][ T6455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  243.079935][ T6455] Call Trace:
[  243.083282][ T6455]  <TASK>
[  243.086266][ T6455]  dump_stack_lvl+0x16c/0x230
[  243.091014][ T6455]  ? show_regs_print_info+0x20/0x20
[  243.096281][ T6455]  ? load_image+0x3b0/0x3b0
[  243.100863][ T6455]  sysfs_create_dir_ns+0x256/0x280
[  243.106107][ T6455]  ? sysfs_warn_dup+0xa0/0xa0
[  243.110828][ T6455]  ? do_raw_spin_unlock+0x121/0x230
[  243.116062][ T6455]  kobject_add_internal+0x6b8/0xc70
[  243.121301][ T6455]  kobject_init_and_add+0x126/0x190
[  243.126628][ T6455]  ? lockdep_softirqs_off+0x430/0x430
[  243.132040][ T6455]  ? kobject_add+0x220/0x220
[  243.136758][ T6455]  ? __init_swait_queue_head+0xa9/0x150
[  243.142345][ T6455]  gfs2_sys_fs_add+0x238/0x470
[  243.147191][ T6455]  ? gfs2_recover_set+0x250/0x250
[  243.152284][ T6455]  ? apply_workqueue_attrs+0x180/0x180
[  243.157809][ T6455]  gfs2_fill_super+0x1323/0x1f80
[  243.162809][ T6455]  ? gfs2_reconfigure+0xb10/0xb10
[  243.167876][ T6455]  ? setup_bdev_super+0x56b/0x660
[  243.172934][ T6455]  get_tree_bdev+0x3e4/0x510
[  243.177557][ T6455]  ? end_current_label_crit_section+0x170/0x170
[  243.183849][ T6455]  ? gfs2_reconfigure+0xb10/0xb10
[  243.188915][ T6455]  ? setup_bdev_super+0x660/0x660
[  243.193980][ T6455]  gfs2_get_tree+0x51/0x1e0
[  243.198524][ T6455]  vfs_get_tree+0x8c/0x280
[  243.202974][ T6455]  do_new_mount+0x24b/0xa40
[  243.207518][ T6455]  __se_sys_mount+0x2da/0x3c0
[  243.212256][ T6455]  ? __x64_sys_mount+0xc0/0xc0
[  243.217050][ T6455]  ? lockdep_hardirqs_on+0x98/0x150
[  243.222285][ T6455]  ? __x64_sys_mount+0x20/0xc0
[  243.227103][ T6455]  do_syscall_64+0x55/0xb0
[  243.231554][ T6455]  ? clear_bhb_loop+0x40/0x90
[  243.236277][ T6455]  ? clear_bhb_loop+0x40/0x90
[  243.240994][ T6455]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  243.246921][ T6455] RIP: 0033:0x7f44e1590eea
[  243.251383][ T6455] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  243.271033][ T6455] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.279493][ T6455] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  243.287513][ T6455] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  243.295521][ T6455] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  243.303529][ T6455] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  243.311544][ T6455] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  243.319567][ T6455]  </TASK>
[  243.324537][ T6455] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.343508][ T6455] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/03 04:13:25 executed programs: 167
[  243.747672][ T6458] loop1: detected capacity change from 0 to 32768
[  243.764611][ T6458] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  243.774867][ T6458] CPU: 1 PID: 6458 Comm: syz.1.182 Not tainted syzkaller #0
[  243.782246][ T6458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  243.792403][ T6458] Call Trace:
[  243.795744][ T6458]  <TASK>
[  243.798726][ T6458]  dump_stack_lvl+0x16c/0x230
[  243.803487][ T6458]  ? show_regs_print_info+0x20/0x20
[  243.809198][ T6458]  ? load_image+0x3b0/0x3b0
[  243.813779][ T6458]  sysfs_create_dir_ns+0x256/0x280
[  243.818963][ T6458]  ? sysfs_warn_dup+0xa0/0xa0
[  243.823798][ T6458]  ? do_raw_spin_unlock+0x121/0x230
[  243.829127][ T6458]  kobject_add_internal+0x6b8/0xc70
[  243.834399][ T6458]  kobject_init_and_add+0x126/0x190
[  243.839683][ T6458]  ? lockdep_softirqs_off+0x430/0x430
[  243.845123][ T6458]  ? kobject_add+0x220/0x220
[  243.849831][ T6458]  ? __init_swait_queue_head+0xa9/0x150
[  243.855449][ T6458]  gfs2_sys_fs_add+0x238/0x470
[  243.860282][ T6458]  ? gfs2_recover_set+0x250/0x250
[  243.865383][ T6458]  ? apply_workqueue_attrs+0x180/0x180
[  243.870908][ T6458]  gfs2_fill_super+0x1323/0x1f80
[  243.875934][ T6458]  ? gfs2_reconfigure+0xb10/0xb10
[  243.881043][ T6458]  ? setup_bdev_super+0x56b/0x660
[  243.886178][ T6458]  get_tree_bdev+0x3e4/0x510
[  243.890832][ T6458]  ? end_current_label_crit_section+0x170/0x170
[  243.897229][ T6458]  ? gfs2_reconfigure+0xb10/0xb10
[  243.902358][ T6458]  ? setup_bdev_super+0x660/0x660
[  243.907453][ T6458]  gfs2_get_tree+0x51/0x1e0
[  243.912072][ T6458]  vfs_get_tree+0x8c/0x280
[  243.916554][ T6458]  do_new_mount+0x24b/0xa40
[  243.921125][ T6458]  __se_sys_mount+0x2da/0x3c0
[  243.925862][ T6458]  ? __x64_sys_mount+0xc0/0xc0
[  243.930692][ T6458]  ? lockdep_hardirqs_on+0x98/0x150
[  243.935954][ T6458]  ? __x64_sys_mount+0x20/0xc0
[  243.940782][ T6458]  do_syscall_64+0x55/0xb0
[  243.945255][ T6458]  ? clear_bhb_loop+0x40/0x90
[  243.950004][ T6458]  ? clear_bhb_loop+0x40/0x90
[  243.954743][ T6458]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  243.960700][ T6458] RIP: 0033:0x7f44e1590eea
[  243.965167][ T6458] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  243.984923][ T6458] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.993402][ T6458] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  244.001431][ T6458] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  244.009984][ T6458] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  244.018015][ T6458] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  244.026044][ T6458] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  244.034087][ T6458]  </TASK>
[  244.038720][ T6458] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.052930][ T6458] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  244.461245][ T6461] loop1: detected capacity change from 0 to 32768
[  244.485549][ T6461] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.493259][ T6461] CPU: 0 PID: 6461 Comm: syz.1.183 Not tainted syzkaller #0
[  244.500602][ T6461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  244.510816][ T6461] Call Trace:
[  244.514152][ T6461]  <TASK>
[  244.517200][ T6461]  dump_stack_lvl+0x16c/0x230
[  244.522042][ T6461]  ? show_regs_print_info+0x20/0x20
[  244.527312][ T6461]  ? load_image+0x3b0/0x3b0
[  244.531904][ T6461]  sysfs_create_dir_ns+0x256/0x280
[  244.537103][ T6461]  ? sysfs_warn_dup+0xa0/0xa0
[  244.541873][ T6461]  ? do_raw_spin_unlock+0x121/0x230
[  244.547146][ T6461]  kobject_add_internal+0x6b8/0xc70
[  244.552407][ T6461]  kobject_init_and_add+0x126/0x190
[  244.557672][ T6461]  ? lockdep_softirqs_off+0x430/0x430
[  244.563111][ T6461]  ? kobject_add+0x220/0x220
[  244.567766][ T6461]  ? __init_swait_queue_head+0xa9/0x150
[  244.573391][ T6461]  gfs2_sys_fs_add+0x238/0x470
[  244.578223][ T6461]  ? gfs2_recover_set+0x250/0x250
[  244.583321][ T6461]  ? apply_workqueue_attrs+0x180/0x180
[  244.588863][ T6461]  gfs2_fill_super+0x1323/0x1f80
[  244.593876][ T6461]  ? gfs2_reconfigure+0xb10/0xb10
[  244.598976][ T6461]  ? setup_bdev_super+0x56b/0x660
[  244.604045][ T6461]  get_tree_bdev+0x3e4/0x510
[  244.608666][ T6461]  ? end_current_label_crit_section+0x170/0x170
[  244.615052][ T6461]  ? gfs2_reconfigure+0xb10/0xb10
[  244.620112][ T6461]  ? setup_bdev_super+0x660/0x660
[  244.625182][ T6461]  gfs2_get_tree+0x51/0x1e0
[  244.629729][ T6461]  vfs_get_tree+0x8c/0x280
[  244.634174][ T6461]  do_new_mount+0x24b/0xa40
[  244.638720][ T6461]  __se_sys_mount+0x2da/0x3c0
[  244.643437][ T6461]  ? __x64_sys_mount+0xc0/0xc0
[  244.648239][ T6461]  ? lockdep_hardirqs_on+0x98/0x150
[  244.653478][ T6461]  ? __x64_sys_mount+0x20/0xc0
[  244.658470][ T6461]  do_syscall_64+0x55/0xb0
[  244.662920][ T6461]  ? clear_bhb_loop+0x40/0x90
[  244.667650][ T6461]  ? clear_bhb_loop+0x40/0x90
[  244.672373][ T6461]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  244.678314][ T6461] RIP: 0033:0x7f44e1590eea
[  244.682763][ T6461] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  244.702663][ T6461] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.711122][ T6461] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  244.719126][ T6461] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  244.727130][ T6461] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  244.735242][ T6461] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  244.743248][ T6461] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  244.751274][ T6461]  </TASK>
[  244.759292][ T6461] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.778698][ T6461] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  245.194008][ T6464] loop1: detected capacity change from 0 to 32768
[  245.207727][ T6464] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  245.215183][ T6464] CPU: 0 PID: 6464 Comm: syz.1.184 Not tainted syzkaller #0
[  245.222524][ T6464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  245.232636][ T6464] Call Trace:
[  245.235962][ T6464]  <TASK>
[  245.238938][ T6464]  dump_stack_lvl+0x16c/0x230
[  245.243702][ T6464]  ? show_regs_print_info+0x20/0x20
[  245.248982][ T6464]  ? load_image+0x3b0/0x3b0
[  245.253573][ T6464]  sysfs_create_dir_ns+0x256/0x280
[  245.258773][ T6464]  ? sysfs_warn_dup+0xa0/0xa0
[  245.263527][ T6464]  ? do_raw_spin_unlock+0x121/0x230
[  245.268829][ T6464]  kobject_add_internal+0x6b8/0xc70
[  245.274102][ T6464]  kobject_init_and_add+0x126/0x190
[  245.279362][ T6464]  ? lockdep_softirqs_off+0x430/0x430
[  245.284799][ T6464]  ? kobject_add+0x220/0x220
[  245.289476][ T6464]  ? __init_swait_queue_head+0xa9/0x150
[  245.295101][ T6464]  gfs2_sys_fs_add+0x238/0x470
[  245.299936][ T6464]  ? gfs2_recover_set+0x250/0x250
[  245.305047][ T6464]  ? apply_workqueue_attrs+0x180/0x180
[  245.310587][ T6464]  gfs2_fill_super+0x1323/0x1f80
[  245.315640][ T6464]  ? gfs2_reconfigure+0xb10/0xb10
[  245.320751][ T6464]  ? setup_bdev_super+0x56b/0x660
[  245.325840][ T6464]  get_tree_bdev+0x3e4/0x510
[  245.330502][ T6464]  ? end_current_label_crit_section+0x170/0x170
[  245.336816][ T6464]  ? gfs2_reconfigure+0xb10/0xb10
[  245.341913][ T6464]  ? setup_bdev_super+0x660/0x660
[  245.347007][ T6464]  gfs2_get_tree+0x51/0x1e0
[  245.351577][ T6464]  vfs_get_tree+0x8c/0x280
[  245.356049][ T6464]  do_new_mount+0x24b/0xa40
[  245.360611][ T6464]  __se_sys_mount+0x2da/0x3c0
[  245.365347][ T6464]  ? __x64_sys_mount+0xc0/0xc0
[  245.370174][ T6464]  ? lockdep_hardirqs_on+0x98/0x150
[  245.375444][ T6464]  ? __x64_sys_mount+0x20/0xc0
[  245.380269][ T6464]  do_syscall_64+0x55/0xb0
[  245.384738][ T6464]  ? clear_bhb_loop+0x40/0x90
[  245.389474][ T6464]  ? clear_bhb_loop+0x40/0x90
[  245.394211][ T6464]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  245.400157][ T6464] RIP: 0033:0x7f44e1590eea
[  245.404626][ T6464] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  245.424292][ T6464] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.432768][ T6464] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  245.440792][ T6464] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  245.448814][ T6464] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  245.456839][ T6464] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  245.464867][ T6464] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  245.472917][ T6464]  </TASK>
[  245.483003][ T6464] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  245.497601][ T6464] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  245.923413][ T6467] loop1: detected capacity change from 0 to 32768
[  245.945104][ T6467] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  245.953177][ T6467] CPU: 0 PID: 6467 Comm: syz.1.185 Not tainted syzkaller #0
[  245.960533][ T6467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  245.970665][ T6467] Call Trace:
[  245.974081][ T6467]  <TASK>
[  245.977065][ T6467]  dump_stack_lvl+0x16c/0x230
[  245.981841][ T6467]  ? show_regs_print_info+0x20/0x20
[  245.987104][ T6467]  ? load_image+0x3b0/0x3b0
[  245.991688][ T6467]  sysfs_create_dir_ns+0x256/0x280
[  245.996875][ T6467]  ? sysfs_warn_dup+0xa0/0xa0
[  246.001628][ T6467]  ? do_raw_spin_unlock+0x121/0x230
[  246.006896][ T6467]  kobject_add_internal+0x6b8/0xc70
[  246.012165][ T6467]  kobject_init_and_add+0x126/0x190
[  246.017427][ T6467]  ? lockdep_softirqs_off+0x430/0x430
[  246.022997][ T6467]  ? kobject_add+0x220/0x220
[  246.027695][ T6467]  ? __init_swait_queue_head+0xa9/0x150
[  246.033306][ T6467]  gfs2_sys_fs_add+0x238/0x470
[  246.038136][ T6467]  ? gfs2_recover_set+0x250/0x250
[  246.043236][ T6467]  ? apply_workqueue_attrs+0x180/0x180
[  246.048760][ T6467]  gfs2_fill_super+0x1323/0x1f80
[  246.053771][ T6467]  ? gfs2_reconfigure+0xb10/0xb10
[  246.058863][ T6467]  ? setup_bdev_super+0x56b/0x660
[  246.063941][ T6467]  get_tree_bdev+0x3e4/0x510
[  246.068579][ T6467]  ? end_current_label_crit_section+0x170/0x170
[  246.074877][ T6467]  ? gfs2_reconfigure+0xb10/0xb10
[  246.079961][ T6467]  ? setup_bdev_super+0x660/0x660
[  246.085050][ T6467]  gfs2_get_tree+0x51/0x1e0
[  246.089626][ T6467]  vfs_get_tree+0x8c/0x280
[  246.094106][ T6467]  do_new_mount+0x24b/0xa40
[  246.098682][ T6467]  __se_sys_mount+0x2da/0x3c0
[  246.103415][ T6467]  ? __x64_sys_mount+0xc0/0xc0
[  246.108242][ T6467]  ? lockdep_hardirqs_on+0x98/0x150
[  246.113537][ T6467]  ? __x64_sys_mount+0x20/0xc0
[  246.118352][ T6467]  do_syscall_64+0x55/0xb0
[  246.122993][ T6467]  ? clear_bhb_loop+0x40/0x90
[  246.127810][ T6467]  ? clear_bhb_loop+0x40/0x90
[  246.132548][ T6467]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  246.138506][ T6467] RIP: 0033:0x7f44e1590eea
[  246.142981][ T6467] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  246.162741][ T6467] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.171229][ T6467] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  246.179268][ T6467] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  246.187393][ T6467] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  246.195425][ T6467] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  246.203463][ T6467] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  246.211515][ T6467]  </TASK>
[  246.221725][ T6467] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.235874][ T6467] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  246.635845][ T6470] loop1: detected capacity change from 0 to 32768
[  246.645938][ T6470] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.654086][ T6470] CPU: 0 PID: 6470 Comm: syz.1.186 Not tainted syzkaller #0
[  246.661451][ T6470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  246.671568][ T6470] Call Trace:
[  246.674910][ T6470]  <TASK>
[  246.677894][ T6470]  dump_stack_lvl+0x16c/0x230
[  246.682649][ T6470]  ? show_regs_print_info+0x20/0x20
[  246.688020][ T6470]  ? load_image+0x3b0/0x3b0
[  246.692614][ T6470]  sysfs_create_dir_ns+0x256/0x280
[  246.697805][ T6470]  ? sysfs_warn_dup+0xa0/0xa0
[  246.702559][ T6470]  ? do_raw_spin_unlock+0x121/0x230
[  246.707831][ T6470]  kobject_add_internal+0x6b8/0xc70
[  246.713109][ T6470]  kobject_init_and_add+0x126/0x190
[  246.718359][ T6470]  ? lockdep_softirqs_off+0x430/0x430
[  246.723768][ T6470]  ? kobject_add+0x220/0x220
[  246.728404][ T6470]  ? __init_swait_queue_head+0xa9/0x150
[  246.733987][ T6470]  gfs2_sys_fs_add+0x238/0x470
[  246.738794][ T6470]  ? gfs2_recover_set+0x250/0x250
[  246.743866][ T6470]  ? apply_workqueue_attrs+0x180/0x180
[  246.749374][ T6470]  gfs2_fill_super+0x1323/0x1f80
[  246.754365][ T6470]  ? gfs2_reconfigure+0xb10/0xb10
[  246.759443][ T6470]  ? setup_bdev_super+0x56b/0x660
[  246.764503][ T6470]  get_tree_bdev+0x3e4/0x510
[  246.769131][ T6470]  ? end_current_label_crit_section+0x170/0x170
[  246.775418][ T6470]  ? gfs2_reconfigure+0xb10/0xb10
[  246.780486][ T6470]  ? setup_bdev_super+0x660/0x660
[  246.785568][ T6470]  gfs2_get_tree+0x51/0x1e0
[  246.790125][ T6470]  vfs_get_tree+0x8c/0x280
[  246.794585][ T6470]  do_new_mount+0x24b/0xa40
[  246.799135][ T6470]  __se_sys_mount+0x2da/0x3c0
[  246.803852][ T6470]  ? __x64_sys_mount+0xc0/0xc0
[  246.808658][ T6470]  ? lockdep_hardirqs_on+0x98/0x150
[  246.813923][ T6470]  ? __x64_sys_mount+0x20/0xc0
[  246.818724][ T6470]  do_syscall_64+0x55/0xb0
[  246.823172][ T6470]  ? clear_bhb_loop+0x40/0x90
[  246.827887][ T6470]  ? clear_bhb_loop+0x40/0x90
[  246.832606][ T6470]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  246.838534][ T6470] RIP: 0033:0x7f44e1590eea
[  246.842984][ T6470] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  246.862634][ T6470] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.871091][ T6470] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  246.879116][ T6470] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  246.887125][ T6470] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  246.895130][ T6470] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  246.903218][ T6470] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  246.911239][ T6470]  </TASK>
[  246.924348][ T6470] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.941339][ T6470] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  247.344554][ T6473] loop1: detected capacity change from 0 to 32768
[  247.357427][ T6473] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  247.364920][ T6473] CPU: 1 PID: 6473 Comm: syz.1.187 Not tainted syzkaller #0
[  247.372262][ T6473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  247.382374][ T6473] Call Trace:
[  247.385681][ T6473]  <TASK>
[  247.388647][ T6473]  dump_stack_lvl+0x16c/0x230
[  247.393377][ T6473]  ? show_regs_print_info+0x20/0x20
[  247.398616][ T6473]  ? load_image+0x3b0/0x3b0
[  247.403192][ T6473]  sysfs_create_dir_ns+0x256/0x280
[  247.408347][ T6473]  ? sysfs_warn_dup+0xa0/0xa0
[  247.413105][ T6473]  ? do_raw_spin_unlock+0x121/0x230
[  247.418349][ T6473]  kobject_add_internal+0x6b8/0xc70
[  247.423593][ T6473]  kobject_init_and_add+0x126/0x190
[  247.428862][ T6473]  ? lockdep_softirqs_off+0x430/0x430
[  247.434277][ T6473]  ? kobject_add+0x220/0x220
[  247.438905][ T6473]  ? __init_swait_queue_head+0xa9/0x150
[  247.444488][ T6473]  gfs2_sys_fs_add+0x238/0x470
[  247.449300][ T6473]  ? gfs2_recover_set+0x250/0x250
[  247.454372][ T6473]  ? apply_workqueue_attrs+0x180/0x180
[  247.459882][ T6473]  gfs2_fill_super+0x1323/0x1f80
[  247.464872][ T6473]  ? gfs2_reconfigure+0xb10/0xb10
[  247.469982][ T6473]  ? setup_bdev_super+0x56b/0x660
[  247.475135][ T6473]  get_tree_bdev+0x3e4/0x510
[  247.479761][ T6473]  ? end_current_label_crit_section+0x170/0x170
[  247.486047][ T6473]  ? gfs2_reconfigure+0xb10/0xb10
[  247.491110][ T6473]  ? setup_bdev_super+0x660/0x660
[  247.496174][ T6473]  gfs2_get_tree+0x51/0x1e0
[  247.500719][ T6473]  vfs_get_tree+0x8c/0x280
[  247.505185][ T6473]  do_new_mount+0x24b/0xa40
[  247.509788][ T6473]  __se_sys_mount+0x2da/0x3c0
[  247.514514][ T6473]  ? __x64_sys_mount+0xc0/0xc0
[  247.519435][ T6473]  ? lockdep_hardirqs_on+0x98/0x150
[  247.524672][ T6473]  ? __x64_sys_mount+0x20/0xc0
[  247.529465][ T6473]  do_syscall_64+0x55/0xb0
[  247.533912][ T6473]  ? clear_bhb_loop+0x40/0x90
[  247.538636][ T6473]  ? clear_bhb_loop+0x40/0x90
[  247.543442][ T6473]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  247.549376][ T6473] RIP: 0033:0x7f44e1590eea
[  247.553831][ T6473] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  247.573563][ T6473] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.582022][ T6473] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  247.590134][ T6473] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  247.598145][ T6473] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  247.606152][ T6473] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  247.614186][ T6473] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  247.622220][ T6473]  </TASK>
[  247.631496][ T6473] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.654708][ T6473] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  247.894085][   T51] Bluetooth: hci1: command 0x0406 tx timeout
[  248.107857][ T6477] loop1: detected capacity change from 0 to 32768
[  248.118125][ T6477] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.125610][ T6477] CPU: 0 PID: 6477 Comm: syz.1.188 Not tainted syzkaller #0
[  248.132958][ T6477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  248.143080][ T6477] Call Trace:
[  248.146411][ T6477]  <TASK>
[  248.149397][ T6477]  dump_stack_lvl+0x16c/0x230
[  248.154151][ T6477]  ? show_regs_print_info+0x20/0x20
[  248.159423][ T6477]  ? load_image+0x3b0/0x3b0
[  248.164021][ T6477]  sysfs_create_dir_ns+0x256/0x280
[  248.169219][ T6477]  ? sysfs_warn_dup+0xa0/0xa0
[  248.173967][ T6477]  ? do_raw_spin_unlock+0x121/0x230
[  248.179242][ T6477]  kobject_add_internal+0x6b8/0xc70
[  248.184513][ T6477]  kobject_init_and_add+0x126/0x190
[  248.189776][ T6477]  ? lockdep_softirqs_off+0x430/0x430
[  248.195210][ T6477]  ? kobject_add+0x220/0x220
[  248.199866][ T6477]  ? __init_swait_queue_head+0xa9/0x150
[  248.205474][ T6477]  gfs2_sys_fs_add+0x238/0x470
[  248.210310][ T6477]  ? gfs2_recover_set+0x250/0x250
[  248.215405][ T6477]  ? apply_workqueue_attrs+0x180/0x180
[  248.221000][ T6477]  gfs2_fill_super+0x1323/0x1f80
[  248.226031][ T6477]  ? gfs2_reconfigure+0xb10/0xb10
[  248.231128][ T6477]  ? setup_bdev_super+0x56b/0x660
[  248.236190][ T6477]  get_tree_bdev+0x3e4/0x510
[  248.240815][ T6477]  ? end_current_label_crit_section+0x170/0x170
[  248.247101][ T6477]  ? gfs2_reconfigure+0xb10/0xb10
[  248.252170][ T6477]  ? setup_bdev_super+0x660/0x660
[  248.257240][ T6477]  gfs2_get_tree+0x51/0x1e0
[  248.261807][ T6477]  vfs_get_tree+0x8c/0x280
[  248.266261][ T6477]  do_new_mount+0x24b/0xa40
[  248.270801][ T6477]  __se_sys_mount+0x2da/0x3c0
[  248.275513][ T6477]  ? __x64_sys_mount+0xc0/0xc0
[  248.280311][ T6477]  ? lockdep_hardirqs_on+0x98/0x150
[  248.285540][ T6477]  ? __x64_sys_mount+0x20/0xc0
[  248.290337][ T6477]  do_syscall_64+0x55/0xb0
[  248.294784][ T6477]  ? clear_bhb_loop+0x40/0x90
[  248.299492][ T6477]  ? clear_bhb_loop+0x40/0x90
[  248.304209][ T6477]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  248.310142][ T6477] RIP: 0033:0x7f44e1590eea
[  248.314590][ 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
[  248.334242][ T6477] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.342689][ T6477] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  248.350695][ T6477] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  248.358698][ T6477] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  248.366738][ T6477] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  248.374738][ T6477] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  248.382753][ T6477]  </TASK>
[  248.390033][ 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.
[  248.404235][ T6477] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/03 04:13:30 executed programs: 174
[  248.816086][ T6481] loop1: detected capacity change from 0 to 32768
[  248.830633][ T6481] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.846872][ T6481] CPU: 1 PID: 6481 Comm: syz.1.189 Not tainted syzkaller #0
[  248.854253][ T6481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  248.864371][ T6481] Call Trace:
[  248.867699][ T6481]  <TASK>
[  248.870671][ T6481]  dump_stack_lvl+0x16c/0x230
[  248.875420][ T6481]  ? show_regs_print_info+0x20/0x20
[  248.880696][ T6481]  ? load_image+0x3b0/0x3b0
[  248.885319][ T6481]  sysfs_create_dir_ns+0x256/0x280
[  248.890506][ T6481]  ? sysfs_warn_dup+0xa0/0xa0
[  248.895257][ T6481]  ? do_raw_spin_unlock+0x121/0x230
[  248.900528][ T6481]  kobject_add_internal+0x6b8/0xc70
[  248.905796][ T6481]  kobject_init_and_add+0x126/0x190
[  248.911059][ T6481]  ? lockdep_softirqs_off+0x430/0x430
[  248.916509][ T6481]  ? kobject_add+0x220/0x220
[  248.921347][ T6481]  ? __init_swait_queue_head+0xa9/0x150
[  248.926961][ T6481]  gfs2_sys_fs_add+0x238/0x470
[  248.931798][ T6481]  ? gfs2_recover_set+0x250/0x250
[  248.936903][ T6481]  ? apply_workqueue_attrs+0x180/0x180
[  248.942451][ T6481]  gfs2_fill_super+0x1323/0x1f80
[  248.947828][ T6481]  ? gfs2_reconfigure+0xb10/0xb10
[  248.952952][ T6481]  ? setup_bdev_super+0x56b/0x660
[  248.958049][ T6481]  get_tree_bdev+0x3e4/0x510
[  248.962692][ T6481]  ? end_current_label_crit_section+0x170/0x170
[  248.968991][ T6481]  ? gfs2_reconfigure+0xb10/0xb10
[  248.974329][ T6481]  ? setup_bdev_super+0x660/0x660
[  248.979418][ T6481]  gfs2_get_tree+0x51/0x1e0
[  248.984012][ T6481]  vfs_get_tree+0x8c/0x280
[  248.988522][ T6481]  do_new_mount+0x24b/0xa40
[  248.993087][ T6481]  __se_sys_mount+0x2da/0x3c0
[  248.997819][ T6481]  ? __x64_sys_mount+0xc0/0xc0
[  249.002639][ T6481]  ? lockdep_hardirqs_on+0x98/0x150
[  249.007898][ T6481]  ? __x64_sys_mount+0x20/0xc0
[  249.012731][ T6481]  do_syscall_64+0x55/0xb0
[  249.017194][ T6481]  ? clear_bhb_loop+0x40/0x90
[  249.021932][ T6481]  ? clear_bhb_loop+0x40/0x90
[  249.026665][ T6481]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  249.032614][ T6481] RIP: 0033:0x7f44e1590eea
[  249.037090][ T6481] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  249.056764][ T6481] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  249.065236][ T6481] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  249.073262][ T6481] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  249.081290][ T6481] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  249.089318][ T6481] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  249.097355][ T6481] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  249.105388][ T6481]  </TASK>
[  249.129708][ T6481] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  249.157424][ T6481] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  249.563023][ T6486] loop1: detected capacity change from 0 to 32768
[  249.583859][ T6486] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  249.591563][ T6486] CPU: 1 PID: 6486 Comm: syz.1.190 Not tainted syzkaller #0
[  249.598908][ T6486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  249.609023][ T6486] Call Trace:
[  249.612353][ T6486]  <TASK>
[  249.615335][ T6486]  dump_stack_lvl+0x16c/0x230
[  249.620099][ T6486]  ? show_regs_print_info+0x20/0x20
[  249.625369][ T6486]  ? load_image+0x3b0/0x3b0
[  249.629959][ T6486]  sysfs_create_dir_ns+0x256/0x280
[  249.635157][ T6486]  ? sysfs_warn_dup+0xa0/0xa0
[  249.639912][ T6486]  ? do_raw_spin_unlock+0x121/0x230
[  249.645193][ T6486]  kobject_add_internal+0x6b8/0xc70
[  249.650476][ T6486]  kobject_init_and_add+0x126/0x190
[  249.655742][ T6486]  ? lockdep_softirqs_off+0x430/0x430
[  249.661184][ T6486]  ? kobject_add+0x220/0x220
[  249.665850][ T6486]  ? __init_swait_queue_head+0xa9/0x150
[  249.671458][ T6486]  gfs2_sys_fs_add+0x238/0x470
[  249.676278][ T6486]  ? gfs2_recover_set+0x250/0x250
[  249.681377][ T6486]  ? apply_workqueue_attrs+0x180/0x180
[  249.686910][ T6486]  gfs2_fill_super+0x1323/0x1f80
[  249.691899][ T6486]  ? gfs2_reconfigure+0xb10/0xb10
[  249.696968][ T6486]  ? setup_bdev_super+0x56b/0x660
[  249.702035][ T6486]  get_tree_bdev+0x3e4/0x510
[  249.706662][ T6486]  ? end_current_label_crit_section+0x170/0x170
[  249.712938][ T6486]  ? gfs2_reconfigure+0xb10/0xb10
[  249.718001][ T6486]  ? setup_bdev_super+0x660/0x660
[  249.723065][ T6486]  gfs2_get_tree+0x51/0x1e0
[  249.727606][ T6486]  vfs_get_tree+0x8c/0x280
[  249.732062][ T6486]  do_new_mount+0x24b/0xa40
[  249.736603][ T6486]  __se_sys_mount+0x2da/0x3c0
[  249.741357][ T6486]  ? __x64_sys_mount+0xc0/0xc0
[  249.746190][ T6486]  ? lockdep_hardirqs_on+0x98/0x150
[  249.751434][ T6486]  ? __x64_sys_mount+0x20/0xc0
[  249.756248][ T6486]  do_syscall_64+0x55/0xb0
[  249.760701][ T6486]  ? clear_bhb_loop+0x40/0x90
[  249.765414][ T6486]  ? clear_bhb_loop+0x40/0x90
[  249.770130][ T6486]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  249.776162][ T6486] RIP: 0033:0x7f44e1590eea
[  249.780611][ 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
[  249.800341][ T6486] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  249.808793][ T6486] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  249.816803][ T6486] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  249.824808][ T6486] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  249.832818][ T6486] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  249.840828][ T6486] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  249.848932][ T6486]  </TASK>
[  249.854951][ 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.
[  249.877276][ T6486] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  250.305115][ T6491] loop1: detected capacity change from 0 to 32768
[  250.325150][ T6491] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.335302][ T6491] CPU: 0 PID: 6491 Comm: syz.1.191 Not tainted syzkaller #0
[  250.342681][ T6491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  250.352839][ T6491] Call Trace:
[  250.356218][ T6491]  <TASK>
[  250.359207][ T6491]  dump_stack_lvl+0x16c/0x230
[  250.363976][ T6491]  ? show_regs_print_info+0x20/0x20
[  250.369255][ T6491]  ? load_image+0x3b0/0x3b0
[  250.373841][ T6491]  sysfs_create_dir_ns+0x256/0x280
[  250.379032][ T6491]  ? sysfs_warn_dup+0xa0/0xa0
[  250.383780][ T6491]  ? do_raw_spin_unlock+0x121/0x230
[  250.389055][ T6491]  kobject_add_internal+0x6b8/0xc70
[  250.394433][ T6491]  kobject_init_and_add+0x126/0x190
[  250.399702][ T6491]  ? lockdep_softirqs_off+0x430/0x430
[  250.405140][ T6491]  ? kobject_add+0x220/0x220
[  250.409818][ T6491]  ? __init_swait_queue_head+0xa9/0x150
[  250.415436][ T6491]  gfs2_sys_fs_add+0x238/0x470
[  250.420268][ T6491]  ? gfs2_recover_set+0x250/0x250
[  250.425361][ T6491]  ? apply_workqueue_attrs+0x180/0x180
[  250.430895][ T6491]  gfs2_fill_super+0x1323/0x1f80
[  250.435913][ T6491]  ? gfs2_reconfigure+0xb10/0xb10
[  250.441024][ T6491]  ? setup_bdev_super+0x56b/0x660
[  250.446112][ T6491]  get_tree_bdev+0x3e4/0x510
[  250.450768][ T6491]  ? end_current_label_crit_section+0x170/0x170
[  250.457075][ T6491]  ? gfs2_reconfigure+0xb10/0xb10
[  250.462162][ T6491]  ? setup_bdev_super+0x660/0x660
[  250.467250][ T6491]  gfs2_get_tree+0x51/0x1e0
[  250.471825][ T6491]  vfs_get_tree+0x8c/0x280
[  250.476295][ T6491]  do_new_mount+0x24b/0xa40
[  250.480857][ T6491]  __se_sys_mount+0x2da/0x3c0
[  250.485601][ T6491]  ? __x64_sys_mount+0xc0/0xc0
[  250.490433][ T6491]  ? lockdep_hardirqs_on+0x98/0x150
[  250.495698][ T6491]  ? __x64_sys_mount+0x20/0xc0
[  250.500531][ T6491]  do_syscall_64+0x55/0xb0
[  250.505009][ T6491]  ? clear_bhb_loop+0x40/0x90
[  250.509750][ T6491]  ? clear_bhb_loop+0x40/0x90
[  250.514505][ T6491]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  250.520464][ T6491] RIP: 0033:0x7f44e1590eea
[  250.525038][ T6491] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  250.544710][ T6491] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.553191][ T6491] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  250.561216][ T6491] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  250.569284][ T6491] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  250.577318][ T6491] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  250.585350][ T6491] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  250.593407][ T6491]  </TASK>
[  250.601653][ T6491] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  250.616156][ T6491] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  251.024042][ T6494] loop1: detected capacity change from 0 to 32768
[  251.049475][ T6494] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  251.056982][ T6494] CPU: 0 PID: 6494 Comm: syz.1.192 Not tainted syzkaller #0
[  251.064335][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  251.074453][ T6494] Call Trace:
[  251.077788][ T6494]  <TASK>
[  251.080748][ T6494]  dump_stack_lvl+0x16c/0x230
[  251.085483][ T6494]  ? show_regs_print_info+0x20/0x20
[  251.090728][ T6494]  ? load_image+0x3b0/0x3b0
[  251.095287][ T6494]  sysfs_create_dir_ns+0x256/0x280
[  251.100453][ T6494]  ? sysfs_warn_dup+0xa0/0xa0
[  251.105186][ T6494]  ? do_raw_spin_unlock+0x121/0x230
[  251.110460][ T6494]  kobject_add_internal+0x6b8/0xc70
[  251.115724][ T6494]  kobject_init_and_add+0x126/0x190
[  251.120964][ T6494]  ? lockdep_softirqs_off+0x430/0x430
[  251.126372][ T6494]  ? kobject_add+0x220/0x220
[  251.131002][ T6494]  ? __init_swait_queue_head+0xa9/0x150
[  251.136615][ T6494]  gfs2_sys_fs_add+0x238/0x470
[  251.141427][ T6494]  ? gfs2_recover_set+0x250/0x250
[  251.146496][ T6494]  ? apply_workqueue_attrs+0x180/0x180
[  251.152022][ T6494]  gfs2_fill_super+0x1323/0x1f80
[  251.157021][ T6494]  ? gfs2_reconfigure+0xb10/0xb10
[  251.162093][ T6494]  ? setup_bdev_super+0x56b/0x660
[  251.167157][ T6494]  get_tree_bdev+0x3e4/0x510
[  251.171789][ T6494]  ? end_current_label_crit_section+0x170/0x170
[  251.178085][ T6494]  ? gfs2_reconfigure+0xb10/0xb10
[  251.183177][ T6494]  ? setup_bdev_super+0x660/0x660
[  251.188239][ T6494]  gfs2_get_tree+0x51/0x1e0
[  251.192782][ T6494]  vfs_get_tree+0x8c/0x280
[  251.197237][ T6494]  do_new_mount+0x24b/0xa40
[  251.201783][ T6494]  __se_sys_mount+0x2da/0x3c0
[  251.206494][ T6494]  ? __x64_sys_mount+0xc0/0xc0
[  251.211323][ T6494]  ? lockdep_hardirqs_on+0x98/0x150
[  251.216564][ T6494]  ? __x64_sys_mount+0x20/0xc0
[  251.221447][ T6494]  do_syscall_64+0x55/0xb0
[  251.225897][ T6494]  ? clear_bhb_loop+0x40/0x90
[  251.230633][ T6494]  ? clear_bhb_loop+0x40/0x90
[  251.235353][ T6494]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  251.241279][ T6494] RIP: 0033:0x7f44e1590eea
[  251.245724][ T6494] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  251.265374][ T6494] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.273830][ T6494] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  251.281830][ T6494] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  251.289856][ T6494] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  251.297856][ T6494] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  251.305865][ T6494] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  251.313880][ T6494]  </TASK>
[  251.331321][ T6494] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.348330][ T6494] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  251.753653][ T6497] loop1: detected capacity change from 0 to 32768
[  251.767615][ T6497] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  251.775070][ T6497] CPU: 0 PID: 6497 Comm: syz.1.193 Not tainted syzkaller #0
[  251.782400][ T6497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  251.792511][ T6497] Call Trace:
[  251.795852][ T6497]  <TASK>
[  251.798836][ T6497]  dump_stack_lvl+0x16c/0x230
[  251.803597][ T6497]  ? show_regs_print_info+0x20/0x20
[  251.809124][ T6497]  ? load_image+0x3b0/0x3b0
[  251.813743][ T6497]  sysfs_create_dir_ns+0x256/0x280
[  251.818936][ T6497]  ? sysfs_warn_dup+0xa0/0xa0
[  251.823681][ T6497]  ? do_raw_spin_unlock+0x121/0x230
[  251.828952][ T6497]  kobject_add_internal+0x6b8/0xc70
[  251.834234][ T6497]  kobject_init_and_add+0x126/0x190
[  251.839504][ T6497]  ? lockdep_softirqs_off+0x430/0x430
[  251.844949][ T6497]  ? kobject_add+0x220/0x220
[  251.849606][ T6497]  ? __init_swait_queue_head+0xa9/0x150
[  251.855217][ T6497]  gfs2_sys_fs_add+0x238/0x470
[  251.860048][ T6497]  ? gfs2_recover_set+0x250/0x250
[  251.865157][ T6497]  ? apply_workqueue_attrs+0x180/0x180
[  251.870700][ T6497]  gfs2_fill_super+0x1323/0x1f80
[  251.875722][ T6497]  ? gfs2_reconfigure+0xb10/0xb10
[  251.880825][ T6497]  ? setup_bdev_super+0x56b/0x660
[  251.885929][ T6497]  get_tree_bdev+0x3e4/0x510
[  251.890584][ T6497]  ? end_current_label_crit_section+0x170/0x170
[  251.896985][ T6497]  ? gfs2_reconfigure+0xb10/0xb10
[  251.902074][ T6497]  ? setup_bdev_super+0x660/0x660
[  251.907167][ T6497]  gfs2_get_tree+0x51/0x1e0
[  251.911740][ T6497]  vfs_get_tree+0x8c/0x280
[  251.916226][ T6497]  do_new_mount+0x24b/0xa40
[  251.920793][ T6497]  __se_sys_mount+0x2da/0x3c0
[  251.925531][ T6497]  ? __x64_sys_mount+0xc0/0xc0
[  251.930357][ T6497]  ? lockdep_hardirqs_on+0x98/0x150
[  251.935609][ T6497]  ? __x64_sys_mount+0x20/0xc0
[  251.940437][ T6497]  do_syscall_64+0x55/0xb0
[  251.944913][ T6497]  ? clear_bhb_loop+0x40/0x90
[  251.949643][ T6497]  ? clear_bhb_loop+0x40/0x90
[  251.954379][ T6497]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  251.960339][ T6497] RIP: 0033:0x7f44e1590eea
[  251.964809][ T6497] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  251.984586][ T6497] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.993067][ T6497] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  252.001140][ T6497] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  252.009171][ T6497] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  252.017202][ T6497] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  252.025229][ T6497] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  252.033272][ T6497]  </TASK>
[  252.037537][ T6497] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.051781][ T6497] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.090266][ T5941] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  252.533852][ T6500] loop1: detected capacity change from 0 to 32768
[  252.555009][ T6500] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.562784][ T6500] CPU: 0 PID: 6500 Comm: syz.1.194 Not tainted syzkaller #0
[  252.570154][ T6500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  252.580267][ T6500] Call Trace:
[  252.583605][ T6500]  <TASK>
[  252.586591][ T6500]  dump_stack_lvl+0x16c/0x230
[  252.591341][ T6500]  ? show_regs_print_info+0x20/0x20
[  252.596619][ T6500]  ? load_image+0x3b0/0x3b0
[  252.601202][ T6500]  sysfs_create_dir_ns+0x256/0x280
[  252.606383][ T6500]  ? sysfs_warn_dup+0xa0/0xa0
[  252.611140][ T6500]  ? do_raw_spin_unlock+0x121/0x230
[  252.616440][ T6500]  kobject_add_internal+0x6b8/0xc70
[  252.621717][ T6500]  kobject_init_and_add+0x126/0x190
[  252.627070][ T6500]  ? lockdep_softirqs_off+0x430/0x430
[  252.632520][ T6500]  ? kobject_add+0x220/0x220
[  252.637201][ T6500]  ? __init_swait_queue_head+0xa9/0x150
[  252.642904][ T6500]  gfs2_sys_fs_add+0x238/0x470
[  252.647739][ T6500]  ? gfs2_recover_set+0x250/0x250
[  252.652829][ T6500]  ? apply_workqueue_attrs+0x180/0x180
[  252.658359][ T6500]  gfs2_fill_super+0x1323/0x1f80
[  252.663375][ T6500]  ? gfs2_reconfigure+0xb10/0xb10
[  252.668473][ T6500]  ? setup_bdev_super+0x56b/0x660
[  252.673813][ T6500]  get_tree_bdev+0x3e4/0x510
[  252.678443][ T6500]  ? end_current_label_crit_section+0x170/0x170
[  252.684726][ T6500]  ? gfs2_reconfigure+0xb10/0xb10
[  252.689791][ T6500]  ? setup_bdev_super+0x660/0x660
[  252.694857][ T6500]  gfs2_get_tree+0x51/0x1e0
[  252.699491][ T6500]  vfs_get_tree+0x8c/0x280
[  252.703947][ T6500]  do_new_mount+0x24b/0xa40
[  252.708493][ T6500]  __se_sys_mount+0x2da/0x3c0
[  252.713229][ T6500]  ? __x64_sys_mount+0xc0/0xc0
[  252.718035][ T6500]  ? lockdep_hardirqs_on+0x98/0x150
[  252.723274][ T6500]  ? __x64_sys_mount+0x20/0xc0
[  252.728074][ T6500]  do_syscall_64+0x55/0xb0
[  252.732524][ T6500]  ? clear_bhb_loop+0x40/0x90
[  252.737245][ T6500]  ? clear_bhb_loop+0x40/0x90
[  252.741957][ T6500]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  252.747891][ T6500] RIP: 0033:0x7f44e1590eea
[  252.752341][ T6500] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  252.771989][ T6500] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.780481][ T6500] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  252.788493][ T6500] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  252.796515][ T6500] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  252.804540][ T6500] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  252.812551][ T6500] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  252.820583][ T6500]  </TASK>
[  252.834631][ T6500] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.851559][ T6500] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  253.269576][ T6503] loop1: detected capacity change from 0 to 32768
[  253.280356][ T6503] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.287934][ T6503] CPU: 0 PID: 6503 Comm: syz.1.195 Not tainted syzkaller #0
[  253.295281][ T6503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  253.305389][ T6503] Call Trace:
[  253.308704][ T6503]  <TASK>
[  253.311664][ T6503]  dump_stack_lvl+0x16c/0x230
[  253.316411][ T6503]  ? show_regs_print_info+0x20/0x20
[  253.321672][ T6503]  ? load_image+0x3b0/0x3b0
[  253.326241][ T6503]  sysfs_create_dir_ns+0x256/0x280
[  253.331500][ T6503]  ? sysfs_warn_dup+0xa0/0xa0
[  253.336223][ T6503]  ? do_raw_spin_unlock+0x121/0x230
[  253.341468][ T6503]  kobject_add_internal+0x6b8/0xc70
[  253.346715][ T6503]  kobject_init_and_add+0x126/0x190
[  253.351954][ T6503]  ? lockdep_softirqs_off+0x430/0x430
[  253.357378][ T6503]  ? kobject_add+0x220/0x220
[  253.362006][ T6503]  ? __init_swait_queue_head+0xa9/0x150
[  253.367590][ T6503]  gfs2_sys_fs_add+0x238/0x470
[  253.372437][ T6503]  ? gfs2_recover_set+0x250/0x250
[  253.377506][ T6503]  ? apply_workqueue_attrs+0x180/0x180
[  253.383015][ T6503]  gfs2_fill_super+0x1323/0x1f80
[  253.388008][ T6503]  ? gfs2_reconfigure+0xb10/0xb10
[  253.393074][ T6503]  ? setup_bdev_super+0x56b/0x660
[  253.398143][ T6503]  get_tree_bdev+0x3e4/0x510
[  253.402764][ T6503]  ? end_current_label_crit_section+0x170/0x170
[  253.409041][ T6503]  ? gfs2_reconfigure+0xb10/0xb10
[  253.414104][ T6503]  ? setup_bdev_super+0x660/0x660
[  253.419172][ T6503]  gfs2_get_tree+0x51/0x1e0
[  253.423714][ T6503]  vfs_get_tree+0x8c/0x280
[  253.428168][ T6503]  do_new_mount+0x24b/0xa40
[  253.432721][ T6503]  __se_sys_mount+0x2da/0x3c0
[  253.437479][ T6503]  ? __x64_sys_mount+0xc0/0xc0
[  253.442289][ T6503]  ? lockdep_hardirqs_on+0x98/0x150
[  253.447536][ T6503]  ? __x64_sys_mount+0x20/0xc0
[  253.452341][ T6503]  do_syscall_64+0x55/0xb0
[  253.456786][ T6503]  ? clear_bhb_loop+0x40/0x90
[  253.461496][ T6503]  ? clear_bhb_loop+0x40/0x90
[  253.466220][ T6503]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  253.472235][ T6503] RIP: 0033:0x7f44e1590eea
[  253.476687][ T6503] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  253.496344][ T6503] RSP: 002b:00007ffe20c7c5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.504802][ T6503] RAX: ffffffffffffffda RBX: 00007ffe20c7c640 RCX: 00007f44e1590eea
[  253.512807][ T6503] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe20c7c600
[  253.520806][ T6503] RBP: 0000200000000000 R08: 00007ffe20c7c640 R09: 0000000000208c1b
[  253.528812][ T6503] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  253.536854][ T6503] R13: 00007ffe20c7c600 R14: 0000000000012754 R15: 0000200000012900
[  253.544878][ T6503]  </TASK>
[  253.553005][   T29] INFO: task syz-executor:5881 blocked for more than 143 seconds.
[  253.561472][   T29]       Not tainted syzkaller #0
[  253.566645][   T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  253.568979][ T6503] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.589306][   T29] task:syz-executor    state:D stack:21736 pid:5881  ppid:1      flags:0x00004004
[  253.589367][   T29] Call Trace:
[  253.589376][   T29]  <TASK>
[  253.589389][   T29]  __schedule+0x14d2/0x44d0
[  253.589466][   T29]  ? asan.module_dtor+0x20/0x20
[  253.589495][   T29]  ? lockdep_hardirqs_on_prepare+0x400/0x760
[  253.589526][   T29]  ? lock_chain_count+0x20/0x20
[  253.625937][   T29]  ? lockdep_hardirqs_on+0x98/0x150
[  253.634627][   T29]  ? _raw_spin_unlock_irqrestore+0xae/0x110
[  253.640955][   T29]  ? _raw_spin_unlock+0x40/0x40
[  253.645890][   T29]  schedule+0xbd/0x170
[  253.651395][ T6503] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  253.655302][   T29]  bit_wait+0x11/0xd0
[  253.664487][   T29]  __wait_on_bit+0xac/0x2d0
[  253.677225][   T29]  ? out_of_line_wait_on_bit_lock+0x170/0x170
[  253.683416][   T29]  ? out_of_line_wait_on_bit_lock+0x170/0x170
[  253.691396][   T29]  out_of_line_wait_on_bit+0x123/0x170
[  253.696962][   T29]  ? __wait_on_bit+0x2d0/0x2d0
[  253.702283][   T29]  ? bit_waitqueue+0x30/0x30
[  253.706973][   T29]  gfs2_glock_wait+0xbd/0x2a0
[  253.712242][   T29]  __gfs2_lookup+0x118/0x270
[  253.716965][   T29]  ? lockdep_softirqs_off+0x430/0x430
2026/01/03 04:13:35 executed programs: 181
[  253.722878][   T29]  ? gfs2_atomic_open+0x220/0x220
[  253.728688][   T29]  ? __lookup_slow+0x281/0x3b0
[  253.733538][   T29]  ? __init_waitqueue_head+0xa9/0x150
[  253.739840][   T29]  __lookup_slow+0x281/0x3b0
[  253.744535][   T29]  ? lookup_one_len+0x2c0/0x2c0
[  253.757270][   T29]  ? down_read+0x1ac/0x2e0
[  253.761787][   T29]  lookup_slow+0x53/0x70
[  253.766099][   T29]  walk_component+0x2be/0x3f0
[  253.782521][   T29]  ? path_lookupat+0x15c/0x440
[  253.797235][   T29]  path_lookupat+0x169/0x440
[  253.801940][   T29]  filename_lookup+0x1f4/0x510
[  253.806777][   T29]  ? __virt_addr_valid+0x18c/0x540
[  253.822222][   T29]  ? hashlen_string+0x110/0x110
[  253.837272][   T29]  ? strncpy_from_user+0x197/0x2e0
[  253.842986][   T29]  ? getname_flags+0x20a/0x500
[  253.857223][   T29]  user_path_at_empty+0x42/0x60
[  253.862224][   T29]  __x64_sys_umount+0xf5/0x170
[  253.867055][   T29]  ? path_umount+0xef0/0xef0
[  253.878196][   T29]  ? lockdep_hardirqs_on+0x98/0x150
[  253.887493][   T29]  do_syscall_64+0x55/0xb0
[  253.891992][   T29]  ? clear_bhb_loop+0x40/0x90
[  253.907394][   T29]  ? clear_bhb_loop+0x40/0x90
[  253.912183][   T29]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  253.927227][   T29] RIP: 0033:0x7fb7c8f90a77
[  253.931781][   T29] RSP: 002b:00007ffe59752fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  253.947600][   T29] RAX: ffffffffffffffda RBX: 00007fb7c9013d7d RCX: 00007fb7c8f90a77
[  253.965897][   T29] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe59753060
[  253.977223][   T29] RBP: 00007ffe59753060 R08: 0000000000000000 R09: 0000000000000000
[  253.985315][   T29] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe59754150
[  254.007342][   T29] R13: 00007fb7c9013d7d R14: 00005555742434a8 R15: 00007ffe59756310
[  254.015426][   T29]  </TASK>
[  254.027369][   T29] 
[  254.027369][   T29] Showing all locks held in the system:
[  254.035167][   T29] 1 lock held by khungtaskd/29:
[  254.057378][   T29]  #0: ffffffff8cd2ff20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x290
[  254.077251][   T29] 2 locks held by kworker/u4:9/2917:
[  254.082625][   T29] 2 locks held by getty/5530:
[  254.097228][   T29]  #0: ffff88803169a0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  254.107091][   T29]  #1: ffffc9000326e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x425/0x1380
[  254.118955][   T29] 1 lock held by syz-executor/5881:
[  254.124207][   T29]  #0: ffff8880600822f8 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x46/0x70
[  254.134845][   T29] 
[  254.137555][   T29] =============================================
[  254.137555][   T29] 
[  254.146498][   T29] NMI backtrace for cpu 1
[  254.150882][   T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[  254.158132][   T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  254.168247][   T29] Call Trace:
[  254.171570][   T29]  <TASK>
[  254.174584][   T29]  dump_stack_lvl+0x16c/0x230
[  254.179371][   T29]  ? show_regs_print_info+0x20/0x20
[  254.184629][   T29]  ? load_image+0x3b0/0x3b0
[  254.189191][   T29]  nmi_cpu_backtrace+0x39b/0x3d0
[  254.194163][   T29]  ? nmi_trigger_cpumask_backtrace+0x2f0/0x2f0
[  254.200350][   T29]  ? _printk+0xd0/0x110
[  254.204539][   T29]  ? load_image+0x3b0/0x3b0
[  254.209089][   T29]  ? load_image+0x3b0/0x3b0
[  254.213633][   T29]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  254.219742][   T29]  nmi_trigger_cpumask_backtrace+0x17a/0x2f0
[  254.225763][   T29]  watchdog+0xf41/0xf80
[  254.229959][   T29]  ? watchdog+0x1e1/0xf80
[  254.234348][   T29]  kthread+0x2fa/0x390
[  254.238455][   T29]  ? hungtask_pm_notify+0x90/0x90
[  254.243518][   T29]  ? kthread_blkcg+0xd0/0xd0
[  254.248143][   T29]  ret_from_fork+0x48/0x80
[  254.252597][   T29]  ? kthread_blkcg+0xd0/0xd0
[  254.257228][   T29]  ret_from_fork_asm+0x11/0x20
[  254.262048][   T29]  </TASK>
[  254.265675][   T29] Sending NMI from CPU 1 to CPUs 0:
[  254.271103][    C0] NMI backtrace for cpu 0
[  254.271116][    C0] CPU: 0 PID: 3463 Comm: kworker/u4:10 Not tainted syzkaller #0
[  254.271133][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  254.271145][    C0] Workqueue: events_unbound nsim_dev_trap_report_work
[  254.271170][    C0] RIP: 0010:kasan_check_range+0x14/0x290
[  254.271194][    C0] Code: b8 ea ff ff ff c3 0f 0b b8 ea ff ff ff c3 cc cc cc cc cc cc cc cc 66 0f 1f 00 b0 01 48 85 f6 0f 84 b8 01 00 00 55 41 57 41 56 <41> 55 41 54 53 4c 8d 04 37 49 39 f8 0f 82 5a 02 00 00 49 89 f9 49
[  254.271209][    C0] RSP: 0000:ffffc9000cdd7940 EFLAGS: 00000202
[  254.271223][    C0] RAX: ffffc9000cdd7901 RBX: 0000000000000040 RCX: ffffffff849f3a68
[  254.271236][    C0] RDX: 0000000000000001 RSI: 0000000000000040 RDI: ffffc9000cdd7a00
[  254.271247][    C0] RBP: 0000000000000000 R08: ffffc9000cdd79df R09: 0000000000000000
[  254.271258][    C0] R10: ffffc9000cdd79a0 R11: fffff520019baf3c R12: 1ffff920019baf30
[  254.271271][    C0] R13: ffffc9000cdd7a00 R14: ffffc9000cdd7a00 R15: dffffc0000000000
[  254.271285][    C0] FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
[  254.271300][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  254.271312][    C0] CR2: 00007f44d9558000 CR3: 000000000cb30000 CR4: 00000000003506f0
[  254.271327][    C0] Call Trace:
[  254.271333][    C0]  <TASK>
[  254.271341][    C0]  __asan_memset+0x22/0x40
[  254.271365][    C0]  _get_random_bytes+0xb8/0x210
[  254.271389][    C0]  ? get_random_bytes+0x20/0x20
[  254.271422][    C0]  ? skb_put+0x11b/0x210
[  254.271444][    C0]  nsim_dev_trap_report_work+0x368/0xb00
[  254.271475][    C0]  ? process_scheduled_works+0x957/0x15b0
[  254.271497][    C0]  process_scheduled_works+0xa45/0x15b0
[  254.271532][    C0]  ? assign_work+0x400/0x400
[  254.271555][    C0]  ? assign_work+0x39e/0x400
[  254.271577][    C0]  worker_thread+0xa55/0xfc0
[  254.271611][    C0]  kthread+0x2fa/0x390
[  254.271625][    C0]  ? pr_cont_work+0x560/0x560
[  254.271645][    C0]  ? kthread_blkcg+0xd0/0xd0
[  254.271660][    C0]  ret_from_fork+0x48/0x80
[  254.271680][    C0]  ? kthread_blkcg+0xd0/0xd0
[  254.271703][    C0]  ret_from_fork_asm+0x11/0x20
[  254.271733][    C0]  </TASK>
[  254.273722][   T29] Kernel panic - not syncing: hung_task: blocked tasks
[  254.490651][   T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[  254.497889][   T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  254.508092][   T29] Call Trace:
[  254.511414][   T29]  <TASK>
[  254.514390][   T29]  dump_stack_lvl+0x16c/0x230
[  254.519135][   T29]  ? show_regs_print_info+0x20/0x20
[  254.524394][   T29]  ? load_image+0x3b0/0x3b0
[  254.528969][   T29]  panic+0x2c0/0x710
[  254.532928][   T29]  ? schedule_preempt_disabled+0x20/0x20
[  254.538628][   T29]  ? bpf_jit_dump+0xd0/0xd0
[  254.543180][   T29]  ? __irq_work_queue_local+0x13a/0x3b0
[  254.548785][   T29]  ? nmi_trigger_cpumask_backtrace+0x2a4/0x2f0
[  254.554997][   T29]  watchdog+0xf80/0xf80
[  254.559218][   T29]  ? watchdog+0x1e1/0xf80
[  254.563609][   T29]  kthread+0x2fa/0x390
[  254.567733][   T29]  ? hungtask_pm_notify+0x90/0x90
[  254.572817][   T29]  ? kthread_blkcg+0xd0/0xd0
[  254.578234][   T29]  ret_from_fork+0x48/0x80
[  254.582708][   T29]  ? kthread_blkcg+0xd0/0xd0
[  254.587362][   T29]  ret_from_fork_asm+0x11/0x20
[  254.592198][   T29]  </TASK>
[  254.595842][   T29] Kernel Offset: disabled
[  254.600205][   T29] Rebooting in 86400 seconds..