section+0x170/0x170
[  277.574664][ T6406]  ? gfs2_reconfigure+0xb10/0xb10
[  277.579701][ T6406]  ? setup_bdev_super+0x660/0x660
[  277.584742][ T6406]  gfs2_get_tree+0x51/0x1e0
[  277.589268][ T6406]  vfs_get_tree+0x8c/0x280
[  277.593699][ T6406]  do_new_mount+0x24b/0xa40
[  277.598222][ T6406]  __se_sys_mount+0x2da/0x3c0
[  277.602914][ T6406]  ? __x64_sys_mount+0xc0/0xc0
[  277.607688][ T6406]  ? lockdep_hardirqs_on+0x98/0x150
[  277.612895][ T6406]  ? __x64_sys_mount+0x20/0xc0
[  277.617671][ T6406]  do_syscall_64+0x55/0xb0
[  277.622094][ T6406]  ? clear_bhb_loop+0x40/0x90
[  277.626782][ T6406]  ? clear_bhb_loop+0x40/0x90
[  277.631558][ T6406]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  277.637464][ T6406] RIP: 0033:0x7f765ab90eea
[  277.641893][ T6406] 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
[  277.661512][ T6406] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  277.669946][ T6406] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  277.677930][ T6406] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  277.685912][ T6406] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  277.693892][ T6406] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  277.701870][ T6406] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  277.709869][ T6406]  </TASK>
[  277.718222][ T6406] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  277.732646][ T6406] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  278.129665][ T6409] loop1: detected capacity change from 0 to 32768
[  278.153409][ T6409] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  278.161100][ T6409] CPU: 1 PID: 6409 Comm: syz.1.162 Not tainted syzkaller #0
[  278.168439][ T6409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  278.178529][ T6409] Call Trace:
[  278.181840][ T6409]  <TASK>
[  278.184981][ T6409]  dump_stack_lvl+0x16c/0x230
[  278.189724][ T6409]  ? show_regs_print_info+0x20/0x20
[  278.194970][ T6409]  ? load_image+0x3b0/0x3b0
[  278.199537][ T6409]  sysfs_create_dir_ns+0x256/0x280
[  278.204698][ T6409]  ? sysfs_warn_dup+0xa0/0xa0
[  278.209428][ T6409]  ? do_raw_spin_unlock+0x121/0x230
[  278.214673][ T6409]  kobject_add_internal+0x6b8/0xc70
[  278.219924][ T6409]  kobject_init_and_add+0x126/0x190
[  278.225171][ T6409]  ? lockdep_softirqs_off+0x430/0x430
[  278.230590][ T6409]  ? kobject_add+0x220/0x220
[  278.235236][ T6409]  ? __init_swait_queue_head+0xa9/0x150
[  278.240951][ T6409]  gfs2_sys_fs_add+0x238/0x470
[  278.245761][ T6409]  ? gfs2_recover_set+0x250/0x250
[  278.250926][ T6409]  ? apply_workqueue_attrs+0x180/0x180
[  278.256439][ T6409]  gfs2_fill_super+0x1323/0x1f80
[  278.261441][ T6409]  ? gfs2_reconfigure+0xb10/0xb10
[  278.266521][ T6409]  ? setup_bdev_super+0x56b/0x660
[  278.271588][ T6409]  get_tree_bdev+0x3e4/0x510
[  278.276216][ T6409]  ? end_current_label_crit_section+0x170/0x170
[  278.282500][ T6409]  ? gfs2_reconfigure+0xb10/0xb10
[  278.287552][ T6409]  ? setup_bdev_super+0x660/0x660
[  278.292578][ T6409]  gfs2_get_tree+0x51/0x1e0
[  278.297085][ T6409]  vfs_get_tree+0x8c/0x280
[  278.301498][ T6409]  do_new_mount+0x24b/0xa40
[  278.306005][ T6409]  __se_sys_mount+0x2da/0x3c0
[  278.310741][ T6409]  ? __x64_sys_mount+0xc0/0xc0
[  278.315526][ T6409]  ? lockdep_hardirqs_on+0x98/0x150
[  278.320734][ T6409]  ? __x64_sys_mount+0x20/0xc0
[  278.325498][ T6409]  do_syscall_64+0x55/0xb0
[  278.329944][ T6409]  ? clear_bhb_loop+0x40/0x90
[  278.334618][ T6409]  ? clear_bhb_loop+0x40/0x90
[  278.339322][ T6409]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  278.345243][ T6409] RIP: 0033:0x7f765ab90eea
[  278.349684][ T6409] 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
[  278.369304][ T6409] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  278.377724][ T6409] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  278.385693][ T6409] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  278.393664][ T6409] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  278.401635][ T6409] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  278.409605][ T6409] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  278.417613][ T6409]  </TASK>
[  278.422140][ T6409] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  278.436313][ T6409] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  278.477118][ T5866] Bluetooth: hci0: command 0x0406 tx timeout
[  278.876152][ T6412] loop1: detected capacity change from 0 to 32768
[  278.889947][ T6412] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  278.898072][ T6412] CPU: 1 PID: 6412 Comm: syz.1.163 Not tainted syzkaller #0
[  278.905419][ T6412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  278.915519][ T6412] Call Trace:
[  278.918841][ T6412]  <TASK>
[  278.921805][ T6412]  dump_stack_lvl+0x16c/0x230
[  278.926541][ T6412]  ? show_regs_print_info+0x20/0x20
[  278.931796][ T6412]  ? load_image+0x3b0/0x3b0
[  278.936364][ T6412]  sysfs_create_dir_ns+0x256/0x280
[  278.941545][ T6412]  ? sysfs_warn_dup+0xa0/0xa0
[  278.946308][ T6412]  ? do_raw_spin_unlock+0x121/0x230
[  278.951557][ T6412]  kobject_add_internal+0x6b8/0xc70
[  278.956809][ T6412]  kobject_init_and_add+0x126/0x190
[  278.962055][ T6412]  ? lockdep_softirqs_off+0x430/0x430
[  278.967480][ T6412]  ? kobject_add+0x220/0x220
[  278.972128][ T6412]  ? __init_swait_queue_head+0xa9/0x150
[  278.977725][ T6412]  gfs2_sys_fs_add+0x238/0x470
[  278.982542][ T6412]  ? gfs2_recover_set+0x250/0x250
[  278.987618][ T6412]  ? apply_workqueue_attrs+0x180/0x180
[  278.993131][ T6412]  gfs2_fill_super+0x1323/0x1f80
[  278.998130][ T6412]  ? gfs2_reconfigure+0xb10/0xb10
[  279.003214][ T6412]  ? setup_bdev_super+0x56b/0x660
[  279.008284][ T6412]  get_tree_bdev+0x3e4/0x510
[  279.012921][ T6412]  ? end_current_label_crit_section+0x170/0x170
[  279.019191][ T6412]  ? gfs2_reconfigure+0xb10/0xb10
[  279.024216][ T6412]  ? setup_bdev_super+0x660/0x660
[  279.029257][ T6412]  gfs2_get_tree+0x51/0x1e0
[  279.033760][ T6412]  vfs_get_tree+0x8c/0x280
[  279.038267][ T6412]  do_new_mount+0x24b/0xa40
[  279.042768][ T6412]  __se_sys_mount+0x2da/0x3c0
[  279.047446][ T6412]  ? __x64_sys_mount+0xc0/0xc0
[  279.052213][ T6412]  ? lockdep_hardirqs_on+0x98/0x150
[  279.057413][ T6412]  ? __x64_sys_mount+0x20/0xc0
[  279.062171][ T6412]  do_syscall_64+0x55/0xb0
[  279.066578][ T6412]  ? clear_bhb_loop+0x40/0x90
[  279.071259][ T6412]  ? clear_bhb_loop+0x40/0x90
[  279.075976][ T6412]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  279.081895][ T6412] RIP: 0033:0x7f765ab90eea
[  279.086320][ T6412] 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
[  279.105937][ T6412] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  279.114355][ T6412] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  279.122354][ T6412] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  279.130442][ T6412] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  279.138426][ T6412] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  279.146412][ T6412] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  279.154412][ T6412]  </TASK>
[  279.158917][ T6412] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  279.173033][ T6412] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  279.580204][ T6415] loop1: detected capacity change from 0 to 32768
[  279.591113][ T6415] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  279.599703][ T6415] CPU: 0 PID: 6415 Comm: syz.1.164 Not tainted syzkaller #0
[  279.607040][ T6415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  279.617132][ T6415] Call Trace:
[  279.620445][ T6415]  <TASK>
[  279.623413][ T6415]  dump_stack_lvl+0x16c/0x230
[  279.628144][ T6415]  ? show_regs_print_info+0x20/0x20
[  279.633398][ T6415]  ? load_image+0x3b0/0x3b0
[  279.637951][ T6415]  sysfs_create_dir_ns+0x256/0x280
[  279.643090][ T6415]  ? sysfs_warn_dup+0xa0/0xa0
[  279.647790][ T6415]  ? do_raw_spin_unlock+0x121/0x230
[  279.653009][ T6415]  kobject_add_internal+0x6b8/0xc70
[  279.658229][ T6415]  kobject_init_and_add+0x126/0x190
[  279.663445][ T6415]  ? lockdep_softirqs_off+0x430/0x430
[  279.668829][ T6415]  ? kobject_add+0x220/0x220
[  279.673436][ T6415]  ? __init_swait_queue_head+0xa9/0x150
[  279.679004][ T6415]  gfs2_sys_fs_add+0x238/0x470
[  279.683783][ T6415]  ? gfs2_recover_set+0x250/0x250
[  279.688829][ T6415]  ? apply_workqueue_attrs+0x180/0x180
[  279.694310][ T6415]  gfs2_fill_super+0x1323/0x1f80
[  279.699280][ T6415]  ? gfs2_reconfigure+0xb10/0xb10
[  279.704330][ T6415]  ? setup_bdev_super+0x56b/0x660
[  279.709368][ T6415]  get_tree_bdev+0x3e4/0x510
[  279.713969][ T6415]  ? end_current_label_crit_section+0x170/0x170
[  279.720222][ T6415]  ? gfs2_reconfigure+0xb10/0xb10
[  279.725272][ T6415]  ? setup_bdev_super+0x660/0x660
[  279.730316][ T6415]  gfs2_get_tree+0x51/0x1e0
[  279.734834][ T6415]  vfs_get_tree+0x8c/0x280
[  279.739269][ T6415]  do_new_mount+0x24b/0xa40
[  279.743797][ T6415]  __se_sys_mount+0x2da/0x3c0
[  279.748488][ T6415]  ? __x64_sys_mount+0xc0/0xc0
[  279.753272][ T6415]  ? lockdep_hardirqs_on+0x98/0x150
[  279.758488][ T6415]  ? __x64_sys_mount+0x20/0xc0
[  279.763299][ T6415]  do_syscall_64+0x55/0xb0
[  279.767726][ T6415]  ? clear_bhb_loop+0x40/0x90
[  279.772410][ T6415]  ? clear_bhb_loop+0x40/0x90
[  279.777102][ T6415]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  279.783005][ T6415] RIP: 0033:0x7f765ab90eea
[  279.787440][ T6415] 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
[  279.807062][ T6415] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  279.815488][ T6415] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  279.823469][ T6415] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  279.831458][ T6415] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  279.839442][ T6415] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  279.847428][ T6415] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  279.855420][ T6415]  </TASK>
[  279.865840][ T6415] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  279.884203][ T6415] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  280.276760][ T6418] loop1: detected capacity change from 0 to 32768
[  280.290417][ T6418] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  280.298097][ T6418] CPU: 1 PID: 6418 Comm: syz.1.165 Not tainted syzkaller #0
[  280.305511][ T6418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  280.315607][ T6418] Call Trace:
[  280.318921][ T6418]  <TASK>
[  280.321891][ T6418]  dump_stack_lvl+0x16c/0x230
[  280.326626][ T6418]  ? show_regs_print_info+0x20/0x20
[  280.331878][ T6418]  ? load_image+0x3b0/0x3b0
[  280.336444][ T6418]  sysfs_create_dir_ns+0x256/0x280
[  280.341610][ T6418]  ? sysfs_warn_dup+0xa0/0xa0
[  280.346331][ T6418]  ? do_raw_spin_unlock+0x121/0x230
[  280.351579][ T6418]  kobject_add_internal+0x6b8/0xc70
[  280.356823][ T6418]  kobject_init_and_add+0x126/0x190
[  280.362096][ T6418]  ? lockdep_softirqs_off+0x430/0x430
[  280.367484][ T6418]  ? kobject_add+0x220/0x220
[  280.372096][ T6418]  ? __init_swait_queue_head+0xa9/0x150
[  280.377659][ T6418]  gfs2_sys_fs_add+0x238/0x470
[  280.382443][ T6418]  ? gfs2_recover_set+0x250/0x250
[  280.387486][ T6418]  ? apply_workqueue_attrs+0x180/0x180
[  280.392965][ T6418]  gfs2_fill_super+0x1323/0x1f80
[  280.397930][ T6418]  ? gfs2_reconfigure+0xb10/0xb10
[  280.402974][ T6418]  ? setup_bdev_super+0x56b/0x660
[  280.408018][ T6418]  get_tree_bdev+0x3e4/0x510
[  280.412625][ T6418]  ? end_current_label_crit_section+0x170/0x170
[  280.418885][ T6418]  ? gfs2_reconfigure+0xb10/0xb10
[  280.423921][ T6418]  ? setup_bdev_super+0x660/0x660
[  280.428968][ T6418]  gfs2_get_tree+0x51/0x1e0
[  280.433497][ T6418]  vfs_get_tree+0x8c/0x280
[  280.437939][ T6418]  do_new_mount+0x24b/0xa40
[  280.442465][ T6418]  __se_sys_mount+0x2da/0x3c0
[  280.447159][ T6418]  ? __x64_sys_mount+0xc0/0xc0
[  280.451933][ T6418]  ? lockdep_hardirqs_on+0x98/0x150
[  280.457157][ T6418]  ? __x64_sys_mount+0x20/0xc0
[  280.461934][ T6418]  do_syscall_64+0x55/0xb0
[  280.466361][ T6418]  ? clear_bhb_loop+0x40/0x90
[  280.471078][ T6418]  ? clear_bhb_loop+0x40/0x90
[  280.475775][ T6418]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  280.481677][ T6418] RIP: 0033:0x7f765ab90eea
[  280.486102][ T6418] 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
[  280.505720][ T6418] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  280.514147][ T6418] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  280.522144][ T6418] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  280.530130][ T6418] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  280.538114][ T6418] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  280.546094][ T6418] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  280.554094][ T6418]  </TASK>
[  280.559047][ T6418] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  280.574078][ T6418] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  280.974128][ T6421] loop1: detected capacity change from 0 to 32768
[  280.987400][ T6421] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  280.995618][ T6421] CPU: 1 PID: 6421 Comm: syz.1.166 Not tainted syzkaller #0
[  281.002951][ T6421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  281.013059][ T6421] Call Trace:
[  281.016375][ T6421]  <TASK>
[  281.019346][ T6421]  dump_stack_lvl+0x16c/0x230
[  281.024170][ T6421]  ? show_regs_print_info+0x20/0x20
[  281.029424][ T6421]  ? load_image+0x3b0/0x3b0
[  281.033989][ T6421]  sysfs_create_dir_ns+0x256/0x280
[  281.039173][ T6421]  ? sysfs_warn_dup+0xa0/0xa0
[  281.043892][ T6421]  ? do_raw_spin_unlock+0x121/0x230
[  281.049143][ T6421]  kobject_add_internal+0x6b8/0xc70
[  281.054382][ T6421]  kobject_init_and_add+0x126/0x190
[  281.059638][ T6421]  ? lockdep_softirqs_off+0x430/0x430
[  281.065040][ T6421]  ? kobject_add+0x220/0x220
[  281.069653][ T6421]  ? __init_swait_queue_head+0xa9/0x150
[  281.075218][ T6421]  gfs2_sys_fs_add+0x238/0x470
[  281.080001][ T6421]  ? gfs2_recover_set+0x250/0x250
[  281.085059][ T6421]  ? apply_workqueue_attrs+0x180/0x180
[  281.090541][ T6421]  gfs2_fill_super+0x1323/0x1f80
[  281.095511][ T6421]  ? gfs2_reconfigure+0xb10/0xb10
[  281.100568][ T6421]  ? setup_bdev_super+0x56b/0x660
[  281.105606][ T6421]  get_tree_bdev+0x3e4/0x510
[  281.110210][ T6421]  ? end_current_label_crit_section+0x170/0x170
[  281.116484][ T6421]  ? gfs2_reconfigure+0xb10/0xb10
[  281.121522][ T6421]  ? setup_bdev_super+0x660/0x660
[  281.126566][ T6421]  gfs2_get_tree+0x51/0x1e0
[  281.131086][ T6421]  vfs_get_tree+0x8c/0x280
[  281.135517][ T6421]  do_new_mount+0x24b/0xa40
[  281.140044][ T6421]  __se_sys_mount+0x2da/0x3c0
[  281.144738][ T6421]  ? __x64_sys_mount+0xc0/0xc0
[  281.149522][ T6421]  ? lockdep_hardirqs_on+0x98/0x150
[  281.154735][ T6421]  ? __x64_sys_mount+0x20/0xc0
[  281.159509][ T6421]  do_syscall_64+0x55/0xb0
[  281.163937][ T6421]  ? clear_bhb_loop+0x40/0x90
[  281.168627][ T6421]  ? clear_bhb_loop+0x40/0x90
[  281.173318][ T6421]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  281.179230][ T6421] RIP: 0033:0x7f765ab90eea
[  281.183656][ T6421] 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
[  281.203275][ T6421] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  281.211705][ T6421] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  281.219690][ T6421] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  281.227674][ T6421] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  281.235652][ T6421] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  281.243632][ T6421] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  281.251632][ T6421]  </TASK>
[  281.265766][ T6421] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  281.283611][ T6421] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  281.676031][ T6424] loop1: detected capacity change from 0 to 32768
[  281.694766][ T6424] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  281.702355][ T6424] CPU: 0 PID: 6424 Comm: syz.1.167 Not tainted syzkaller #0
[  281.709683][ T6424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  281.719761][ T6424] Call Trace:
[  281.723060][ T6424]  <TASK>
[  281.726015][ T6424]  dump_stack_lvl+0x16c/0x230
[  281.730723][ T6424]  ? show_regs_print_info+0x20/0x20
[  281.735943][ T6424]  ? load_image+0x3b0/0x3b0
[  281.740475][ T6424]  sysfs_create_dir_ns+0x256/0x280
[  281.745609][ T6424]  ? sysfs_warn_dup+0xa0/0xa0
[  281.750312][ T6424]  ? do_raw_spin_unlock+0x121/0x230
[  281.755550][ T6424]  kobject_add_internal+0x6b8/0xc70
[  281.760809][ T6424]  kobject_init_and_add+0x126/0x190
[  281.766045][ T6424]  ? lockdep_softirqs_off+0x430/0x430
[  281.771443][ T6424]  ? kobject_add+0x220/0x220
[  281.776071][ T6424]  ? __init_swait_queue_head+0xa9/0x150
[  281.781636][ T6424]  gfs2_sys_fs_add+0x238/0x470
[  281.786427][ T6424]  ? gfs2_recover_set+0x250/0x250
[  281.791489][ T6424]  ? apply_workqueue_attrs+0x180/0x180
[  281.796992][ T6424]  gfs2_fill_super+0x1323/0x1f80
[  281.801971][ T6424]  ? gfs2_reconfigure+0xb10/0xb10
[  281.807021][ T6424]  ? setup_bdev_super+0x56b/0x660
[  281.812062][ T6424]  get_tree_bdev+0x3e4/0x510
[  281.816674][ T6424]  ? end_current_label_crit_section+0x170/0x170
[  281.822936][ T6424]  ? gfs2_reconfigure+0xb10/0xb10
[  281.828012][ T6424]  ? setup_bdev_super+0x660/0x660
[  281.833074][ T6424]  gfs2_get_tree+0x51/0x1e0
[  281.837609][ T6424]  vfs_get_tree+0x8c/0x280
[  281.842049][ T6424]  do_new_mount+0x24b/0xa40
[  281.846579][ T6424]  __se_sys_mount+0x2da/0x3c0
[  281.851281][ T6424]  ? __x64_sys_mount+0xc0/0xc0
[  281.856064][ T6424]  ? lockdep_hardirqs_on+0x98/0x150
[  281.861282][ T6424]  ? __x64_sys_mount+0x20/0xc0
[  281.866056][ T6424]  do_syscall_64+0x55/0xb0
[  281.870495][ T6424]  ? clear_bhb_loop+0x40/0x90
[  281.875183][ T6424]  ? clear_bhb_loop+0x40/0x90
[  281.879875][ T6424]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  281.885783][ T6424] RIP: 0033:0x7f765ab90eea
[  281.890211][ T6424] 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
[  281.909834][ T6424] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  281.918279][ T6424] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  281.926275][ T6424] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  281.934282][ T6424] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  281.942273][ T6424] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  281.950288][ T6424] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  281.958296][ T6424]  </TASK>
[  281.962390][ T6424] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  281.976823][ T6424] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/02 05:39:12 executed programs: 153
[  282.382572][ T6427] loop1: detected capacity change from 0 to 32768
[  282.400959][ T6427] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  282.409725][ T6427] CPU: 1 PID: 6427 Comm: syz.1.168 Not tainted syzkaller #0
[  282.417057][ T6427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  282.427127][ T6427] Call Trace:
[  282.430415][ T6427]  <TASK>
[  282.433355][ T6427]  dump_stack_lvl+0x16c/0x230
[  282.438070][ T6427]  ? show_regs_print_info+0x20/0x20
[  282.443287][ T6427]  ? load_image+0x3b0/0x3b0
[  282.447814][ T6427]  sysfs_create_dir_ns+0x256/0x280
[  282.452945][ T6427]  ? sysfs_warn_dup+0xa0/0xa0
[  282.457649][ T6427]  ? do_raw_spin_unlock+0x121/0x230
[  282.462866][ T6427]  kobject_add_internal+0x6b8/0xc70
[  282.468088][ T6427]  kobject_init_and_add+0x126/0x190
[  282.473301][ T6427]  ? lockdep_softirqs_off+0x430/0x430
[  282.478686][ T6427]  ? kobject_add+0x220/0x220
[  282.483305][ T6427]  ? __init_swait_queue_head+0xa9/0x150
[  282.488863][ T6427]  gfs2_sys_fs_add+0x238/0x470
[  282.493666][ T6427]  ? gfs2_recover_set+0x250/0x250
[  282.498730][ T6427]  ? apply_workqueue_attrs+0x180/0x180
[  282.504224][ T6427]  gfs2_fill_super+0x1323/0x1f80
[  282.509204][ T6427]  ? gfs2_reconfigure+0xb10/0xb10
[  282.514268][ T6427]  ? setup_bdev_super+0x56b/0x660
[  282.519313][ T6427]  get_tree_bdev+0x3e4/0x510
[  282.523918][ T6427]  ? end_current_label_crit_section+0x170/0x170
[  282.530175][ T6427]  ? gfs2_reconfigure+0xb10/0xb10
[  282.535216][ T6427]  ? setup_bdev_super+0x660/0x660
[  282.540258][ T6427]  gfs2_get_tree+0x51/0x1e0
[  282.544777][ T6427]  vfs_get_tree+0x8c/0x280
[  282.549216][ T6427]  do_new_mount+0x24b/0xa40
[  282.553737][ T6427]  __se_sys_mount+0x2da/0x3c0
[  282.558430][ T6427]  ? __x64_sys_mount+0xc0/0xc0
[  282.563207][ T6427]  ? lockdep_hardirqs_on+0x98/0x150
[  282.568420][ T6427]  ? __x64_sys_mount+0x20/0xc0
[  282.573282][ T6427]  do_syscall_64+0x55/0xb0
[  282.577705][ T6427]  ? clear_bhb_loop+0x40/0x90
[  282.582394][ T6427]  ? clear_bhb_loop+0x40/0x90
[  282.587088][ T6427]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  282.592993][ T6427] RIP: 0033:0x7f765ab90eea
[  282.597430][ T6427] 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
[  282.617052][ T6427] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  282.625484][ T6427] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  282.633483][ T6427] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  282.641476][ T6427] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  282.649460][ T6427] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  282.657441][ T6427] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  282.665437][ T6427]  </TASK>
[  282.671476][ T6427] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  282.686470][ T6427] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  283.081343][ T6430] loop1: detected capacity change from 0 to 32768
[  283.095226][ T6430] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  283.102794][ T6430] CPU: 0 PID: 6430 Comm: syz.1.169 Not tainted syzkaller #0
[  283.110126][ T6430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  283.120219][ T6430] Call Trace:
[  283.123541][ T6430]  <TASK>
[  283.126509][ T6430]  dump_stack_lvl+0x16c/0x230
[  283.131241][ T6430]  ? show_regs_print_info+0x20/0x20
[  283.136495][ T6430]  ? load_image+0x3b0/0x3b0
[  283.141052][ T6430]  sysfs_create_dir_ns+0x256/0x280
[  283.146211][ T6430]  ? sysfs_warn_dup+0xa0/0xa0
[  283.150941][ T6430]  ? do_raw_spin_unlock+0x121/0x230
[  283.156195][ T6430]  kobject_add_internal+0x6b8/0xc70
[  283.161433][ T6430]  kobject_init_and_add+0x126/0x190
[  283.166648][ T6430]  ? lockdep_softirqs_off+0x430/0x430
[  283.172034][ T6430]  ? kobject_add+0x220/0x220
[  283.176640][ T6430]  ? __init_swait_queue_head+0xa9/0x150
[  283.182199][ T6430]  gfs2_sys_fs_add+0x238/0x470
[  283.186982][ T6430]  ? gfs2_recover_set+0x250/0x250
[  283.192048][ T6430]  ? apply_workqueue_attrs+0x180/0x180
[  283.197527][ T6430]  gfs2_fill_super+0x1323/0x1f80
[  283.202490][ T6430]  ? gfs2_reconfigure+0xb10/0xb10
[  283.207539][ T6430]  ? setup_bdev_super+0x56b/0x660
[  283.212578][ T6430]  get_tree_bdev+0x3e4/0x510
[  283.217178][ T6430]  ? end_current_label_crit_section+0x170/0x170
[  283.223530][ T6430]  ? gfs2_reconfigure+0xb10/0xb10
[  283.228572][ T6430]  ? setup_bdev_super+0x660/0x660
[  283.233613][ T6430]  gfs2_get_tree+0x51/0x1e0
[  283.238164][ T6430]  vfs_get_tree+0x8c/0x280
[  283.242624][ T6430]  do_new_mount+0x24b/0xa40
[  283.247158][ T6430]  __se_sys_mount+0x2da/0x3c0
[  283.251862][ T6430]  ? __x64_sys_mount+0xc0/0xc0
[  283.256648][ T6430]  ? lockdep_hardirqs_on+0x98/0x150
[  283.261858][ T6430]  ? __x64_sys_mount+0x20/0xc0
[  283.266639][ T6430]  do_syscall_64+0x55/0xb0
[  283.271069][ T6430]  ? clear_bhb_loop+0x40/0x90
[  283.275779][ T6430]  ? clear_bhb_loop+0x40/0x90
[  283.280560][ T6430]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  283.286468][ T6430] RIP: 0033:0x7f765ab90eea
[  283.290892][ T6430] 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
[  283.310515][ T6430] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  283.318939][ T6430] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  283.326925][ T6430] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  283.334905][ T6430] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  283.342891][ T6430] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  283.350868][ T6430] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  283.358863][ T6430]  </TASK>
[  283.365388][ T6430] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  283.380576][ T6430] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  283.777633][ T6433] loop1: detected capacity change from 0 to 32768
[  283.793287][ T6433] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  283.800956][ T6433] CPU: 0 PID: 6433 Comm: syz.1.170 Not tainted syzkaller #0
[  283.808295][ T6433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  283.818392][ T6433] Call Trace:
[  283.821714][ T6433]  <TASK>
[  283.824676][ T6433]  dump_stack_lvl+0x16c/0x230
[  283.829410][ T6433]  ? show_regs_print_info+0x20/0x20
[  283.834662][ T6433]  ? load_image+0x3b0/0x3b0
[  283.839227][ T6433]  sysfs_create_dir_ns+0x256/0x280
[  283.844401][ T6433]  ? sysfs_warn_dup+0xa0/0xa0
[  283.849153][ T6433]  ? do_raw_spin_unlock+0x121/0x230
[  283.854392][ T6433]  kobject_add_internal+0x6b8/0xc70
[  283.859644][ T6433]  kobject_init_and_add+0x126/0x190
[  283.864893][ T6433]  ? lockdep_softirqs_off+0x430/0x430
[  283.870398][ T6433]  ? kobject_add+0x220/0x220
[  283.875042][ T6433]  ? __init_swait_queue_head+0xa9/0x150
[  283.880631][ T6433]  gfs2_sys_fs_add+0x238/0x470
[  283.885442][ T6433]  ? gfs2_recover_set+0x250/0x250
[  283.890517][ T6433]  ? apply_workqueue_attrs+0x180/0x180
[  283.896033][ T6433]  gfs2_fill_super+0x1323/0x1f80
[  283.901030][ T6433]  ? gfs2_reconfigure+0xb10/0xb10
[  283.906111][ T6433]  ? setup_bdev_super+0x56b/0x660
[  283.911183][ T6433]  get_tree_bdev+0x3e4/0x510
[  283.915813][ T6433]  ? end_current_label_crit_section+0x170/0x170
[  283.922095][ T6433]  ? gfs2_reconfigure+0xb10/0xb10
[  283.927143][ T6433]  ? setup_bdev_super+0x660/0x660
[  283.932191][ T6433]  gfs2_get_tree+0x51/0x1e0
[  283.936715][ T6433]  vfs_get_tree+0x8c/0x280
[  283.941156][ T6433]  do_new_mount+0x24b/0xa40
[  283.945681][ T6433]  __se_sys_mount+0x2da/0x3c0
[  283.950380][ T6433]  ? __x64_sys_mount+0xc0/0xc0
[  283.955161][ T6433]  ? lockdep_hardirqs_on+0x98/0x150
[  283.960374][ T6433]  ? __x64_sys_mount+0x20/0xc0
[  283.965174][ T6433]  do_syscall_64+0x55/0xb0
[  283.969598][ T6433]  ? clear_bhb_loop+0x40/0x90
[  283.974297][ T6433]  ? clear_bhb_loop+0x40/0x90
[  283.978992][ T6433]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  283.984896][ T6433] RIP: 0033:0x7f765ab90eea
[  283.989324][ T6433] 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
[  284.008957][ T6433] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  284.017389][ T6433] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  284.025371][ T6433] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  284.033351][ T6433] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  284.041334][ T6433] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  284.049315][ T6433] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  284.057312][ T6433]  </TASK>
[  284.063316][ T6433] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  284.077916][ T6433] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  284.504865][ T6436] loop1: detected capacity change from 0 to 32768
[  284.525526][ T6436] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  284.533198][ T6436] CPU: 1 PID: 6436 Comm: syz.1.171 Not tainted syzkaller #0
[  284.540637][ T6436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  284.550728][ T6436] Call Trace:
[  284.554044][ T6436]  <TASK>
[  284.557012][ T6436]  dump_stack_lvl+0x16c/0x230
[  284.561746][ T6436]  ? show_regs_print_info+0x20/0x20
[  284.566990][ T6436]  ? load_image+0x3b0/0x3b0
[  284.571555][ T6436]  sysfs_create_dir_ns+0x256/0x280
[  284.576715][ T6436]  ? sysfs_warn_dup+0xa0/0xa0
[  284.581441][ T6436]  ? do_raw_spin_unlock+0x121/0x230
[  284.586688][ T6436]  kobject_add_internal+0x6b8/0xc70
[  284.591935][ T6436]  kobject_init_and_add+0x126/0x190
[  284.597154][ T6436]  ? lockdep_softirqs_off+0x430/0x430
[  284.602543][ T6436]  ? kobject_add+0x220/0x220
[  284.607157][ T6436]  ? __init_swait_queue_head+0xa9/0x150
[  284.612717][ T6436]  gfs2_sys_fs_add+0x238/0x470
[  284.617499][ T6436]  ? gfs2_recover_set+0x250/0x250
[  284.622543][ T6436]  ? apply_workqueue_attrs+0x180/0x180
[  284.628024][ T6436]  gfs2_fill_super+0x1323/0x1f80
[  284.632990][ T6436]  ? gfs2_reconfigure+0xb10/0xb10
[  284.638045][ T6436]  ? setup_bdev_super+0x56b/0x660
[  284.643086][ T6436]  get_tree_bdev+0x3e4/0x510
[  284.647688][ T6436]  ? end_current_label_crit_section+0x170/0x170
[  284.653964][ T6436]  ? gfs2_reconfigure+0xb10/0xb10
[  284.659048][ T6436]  ? setup_bdev_super+0x660/0x660
[  284.664105][ T6436]  gfs2_get_tree+0x51/0x1e0
[  284.668634][ T6436]  vfs_get_tree+0x8c/0x280
[  284.673075][ T6436]  do_new_mount+0x24b/0xa40
[  284.677604][ T6436]  __se_sys_mount+0x2da/0x3c0
[  284.682305][ T6436]  ? __x64_sys_mount+0xc0/0xc0
[  284.687101][ T6436]  ? lockdep_hardirqs_on+0x98/0x150
[  284.692336][ T6436]  ? __x64_sys_mount+0x20/0xc0
[  284.697139][ T6436]  do_syscall_64+0x55/0xb0
[  284.701577][ T6436]  ? clear_bhb_loop+0x40/0x90
[  284.706279][ T6436]  ? clear_bhb_loop+0x40/0x90
[  284.711000][ T6436]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  284.716968][ T6436] RIP: 0033:0x7f765ab90eea
[  284.721401][ T6436] 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
[  284.741031][ T6436] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  284.749467][ T6436] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  284.757481][ T6436] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  284.765473][ T6436] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  284.773829][ T6436] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  284.781829][ T6436] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  284.789833][ T6436]  </TASK>
[  284.799708][ T6436] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  284.815070][ T6436] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  285.219758][ T6439] loop1: detected capacity change from 0 to 32768
[  285.231284][ T6439] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  285.238862][ T6439] CPU: 0 PID: 6439 Comm: syz.1.172 Not tainted syzkaller #0
[  285.246189][ T6439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  285.256294][ T6439] Call Trace:
[  285.259610][ T6439]  <TASK>
[  285.262578][ T6439]  dump_stack_lvl+0x16c/0x230
[  285.267317][ T6439]  ? show_regs_print_info+0x20/0x20
[  285.272571][ T6439]  ? load_image+0x3b0/0x3b0
[  285.277151][ T6439]  sysfs_create_dir_ns+0x256/0x280
[  285.282320][ T6439]  ? sysfs_warn_dup+0xa0/0xa0
[  285.287042][ T6439]  ? do_raw_spin_unlock+0x121/0x230
[  285.292311][ T6439]  kobject_add_internal+0x6b8/0xc70
[  285.297580][ T6439]  kobject_init_and_add+0x126/0x190
[  285.302823][ T6439]  ? lockdep_softirqs_off+0x430/0x430
[  285.308236][ T6439]  ? kobject_add+0x220/0x220
[  285.312853][ T6439]  ? __init_swait_queue_head+0xa9/0x150
[  285.318416][ T6439]  gfs2_sys_fs_add+0x238/0x470
[  285.323198][ T6439]  ? gfs2_recover_set+0x250/0x250
[  285.328240][ T6439]  ? apply_workqueue_attrs+0x180/0x180
[  285.333994][ T6439]  gfs2_fill_super+0x1323/0x1f80
[  285.338962][ T6439]  ? gfs2_reconfigure+0xb10/0xb10
[  285.344018][ T6439]  ? setup_bdev_super+0x56b/0x660
[  285.349062][ T6439]  get_tree_bdev+0x3e4/0x510
[  285.353661][ T6439]  ? end_current_label_crit_section+0x170/0x170
[  285.359914][ T6439]  ? gfs2_reconfigure+0xb10/0xb10
[  285.364954][ T6439]  ? setup_bdev_super+0x660/0x660
[  285.369996][ T6439]  gfs2_get_tree+0x51/0x1e0
[  285.374517][ T6439]  vfs_get_tree+0x8c/0x280
[  285.378950][ T6439]  do_new_mount+0x24b/0xa40
[  285.383469][ T6439]  __se_sys_mount+0x2da/0x3c0
[  285.388167][ T6439]  ? __x64_sys_mount+0xc0/0xc0
[  285.392947][ T6439]  ? lockdep_hardirqs_on+0x98/0x150
[  285.398159][ T6439]  ? __x64_sys_mount+0x20/0xc0
[  285.402932][ T6439]  do_syscall_64+0x55/0xb0
[  285.407359][ T6439]  ? clear_bhb_loop+0x40/0x90
[  285.412051][ T6439]  ? clear_bhb_loop+0x40/0x90
[  285.416742][ T6439]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  285.422646][ T6439] RIP: 0033:0x7f765ab90eea
[  285.427077][ T6439] 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
[  285.446696][ T6439] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  285.455127][ T6439] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  285.463126][ T6439] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  285.471123][ T6439] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  285.479116][ T6439] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  285.487112][ T6439] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  285.495114][ T6439]  </TASK>
[  285.502704][ T6439] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  285.518254][ T6439] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  285.946239][ T6442] loop1: detected capacity change from 0 to 32768
[  285.958807][ T6442] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  285.970190][ T6442] CPU: 1 PID: 6442 Comm: syz.1.173 Not tainted syzkaller #0
[  285.977532][ T6442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  285.987623][ T6442] Call Trace:
[  285.990942][ T6442]  <TASK>
[  285.993923][ T6442]  dump_stack_lvl+0x16c/0x230
[  285.998664][ T6442]  ? show_regs_print_info+0x20/0x20
[  286.003920][ T6442]  ? load_image+0x3b0/0x3b0
[  286.008491][ T6442]  sysfs_create_dir_ns+0x256/0x280
[  286.013740][ T6442]  ? sysfs_warn_dup+0xa0/0xa0
[  286.018476][ T6442]  ? do_raw_spin_unlock+0x121/0x230
[  286.023804][ T6442]  kobject_add_internal+0x6b8/0xc70
[  286.029061][ T6442]  kobject_init_and_add+0x126/0x190
[  286.034303][ T6442]  ? lockdep_softirqs_off+0x430/0x430
[  286.039720][ T6442]  ? kobject_add+0x220/0x220
[  286.044357][ T6442]  ? __init_swait_queue_head+0xa9/0x150
[  286.049952][ T6442]  gfs2_sys_fs_add+0x238/0x470
[  286.054791][ T6442]  ? gfs2_recover_set+0x250/0x250
[  286.059872][ T6442]  ? apply_workqueue_attrs+0x180/0x180
[  286.065394][ T6442]  gfs2_fill_super+0x1323/0x1f80
[  286.070395][ T6442]  ? gfs2_reconfigure+0xb10/0xb10
[  286.075474][ T6442]  ? setup_bdev_super+0x56b/0x660
[  286.080530][ T6442]  get_tree_bdev+0x3e4/0x510
[  286.085147][ T6442]  ? end_current_label_crit_section+0x170/0x170
[  286.091392][ T6442]  ? gfs2_reconfigure+0xb10/0xb10
[  286.096423][ T6442]  ? setup_bdev_super+0x660/0x660
[  286.101552][ T6442]  gfs2_get_tree+0x51/0x1e0
[  286.106060][ T6442]  vfs_get_tree+0x8c/0x280
[  286.110478][ T6442]  do_new_mount+0x24b/0xa40
[  286.115010][ T6442]  __se_sys_mount+0x2da/0x3c0
[  286.119688][ T6442]  ? __x64_sys_mount+0xc0/0xc0
[  286.124450][ T6442]  ? lockdep_hardirqs_on+0x98/0x150
[  286.129649][ T6442]  ? __x64_sys_mount+0x20/0xc0
[  286.134409][ T6442]  do_syscall_64+0x55/0xb0
[  286.138821][ T6442]  ? clear_bhb_loop+0x40/0x90
[  286.143503][ T6442]  ? clear_bhb_loop+0x40/0x90
[  286.148187][ T6442]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  286.154102][ T6442] RIP: 0033:0x7f765ab90eea
[  286.158540][ T6442] 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
[  286.178159][ T6442] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  286.186596][ T6442] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  286.194594][ T6442] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  286.202588][ T6442] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  286.210561][ T6442] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  286.218551][ T6442] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  286.226528][ T6442]  </TASK>
[  286.232885][ T6442] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  286.246987][ T6442] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  286.658301][ T6445] loop1: detected capacity change from 0 to 32768
[  286.671808][ T6445] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  286.680642][ T6445] CPU: 0 PID: 6445 Comm: syz.1.174 Not tainted syzkaller #0
[  286.688004][ T6445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  286.698098][ T6445] Call Trace:
[  286.701412][ T6445]  <TASK>
[  286.704388][ T6445]  dump_stack_lvl+0x16c/0x230
[  286.709131][ T6445]  ? show_regs_print_info+0x20/0x20
[  286.714477][ T6445]  ? load_image+0x3b0/0x3b0
[  286.719076][ T6445]  sysfs_create_dir_ns+0x256/0x280
[  286.724237][ T6445]  ? sysfs_warn_dup+0xa0/0xa0
[  286.728975][ T6445]  ? do_raw_spin_unlock+0x121/0x230
[  286.734224][ T6445]  kobject_add_internal+0x6b8/0xc70
[  286.739496][ T6445]  kobject_init_and_add+0x126/0x190
[  286.744734][ T6445]  ? lockdep_softirqs_off+0x430/0x430
[  286.750158][ T6445]  ? kobject_add+0x220/0x220
[  286.754796][ T6445]  ? __init_swait_queue_head+0xa9/0x150
[  286.760382][ T6445]  gfs2_sys_fs_add+0x238/0x470
[  286.765193][ T6445]  ? gfs2_recover_set+0x250/0x250
[  286.770288][ T6445]  ? apply_workqueue_attrs+0x180/0x180
[  286.775800][ T6445]  gfs2_fill_super+0x1323/0x1f80
[  286.780798][ T6445]  ? gfs2_reconfigure+0xb10/0xb10
[  286.785886][ T6445]  ? setup_bdev_super+0x56b/0x660
[  286.790968][ T6445]  get_tree_bdev+0x3e4/0x510
[  286.795607][ T6445]  ? end_current_label_crit_section+0x170/0x170
[  286.801895][ T6445]  ? gfs2_reconfigure+0xb10/0xb10
[  286.807139][ T6445]  ? setup_bdev_super+0x660/0x660
[  286.812203][ T6445]  gfs2_get_tree+0x51/0x1e0
[  286.816731][ T6445]  vfs_get_tree+0x8c/0x280
[  286.821161][ T6445]  do_new_mount+0x24b/0xa40
[  286.825682][ T6445]  __se_sys_mount+0x2da/0x3c0
[  286.830366][ T6445]  ? __x64_sys_mount+0xc0/0xc0
[  286.835135][ T6445]  ? lockdep_hardirqs_on+0x98/0x150
[  286.840337][ T6445]  ? __x64_sys_mount+0x20/0xc0
[  286.845099][ T6445]  do_syscall_64+0x55/0xb0
[  286.849511][ T6445]  ? clear_bhb_loop+0x40/0x90
[  286.854187][ T6445]  ? clear_bhb_loop+0x40/0x90
[  286.858903][ T6445]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  286.864820][ T6445] RIP: 0033:0x7f765ab90eea
[  286.869239][ T6445] 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
[  286.888865][ T6445] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  286.897335][ T6445] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  286.905430][ T6445] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  286.913407][ T6445] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  286.921383][ T6445] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  286.929440][ T6445] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  286.937446][ T6445]  </TASK>
[  286.941411][ T6445] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  286.955694][ T6445] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/02 05:39:17 executed programs: 160
[  287.354051][ T6448] loop1: detected capacity change from 0 to 32768
[  287.374344][ T6448] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  287.382119][ T6448] CPU: 0 PID: 6448 Comm: syz.1.175 Not tainted syzkaller #0
[  287.389448][ T6448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  287.399517][ T6448] Call Trace:
[  287.402805][ T6448]  <TASK>
[  287.405750][ T6448]  dump_stack_lvl+0x16c/0x230
[  287.410452][ T6448]  ? show_regs_print_info+0x20/0x20
[  287.415672][ T6448]  ? load_image+0x3b0/0x3b0
[  287.420201][ T6448]  sysfs_create_dir_ns+0x256/0x280
[  287.425337][ T6448]  ? sysfs_warn_dup+0xa0/0xa0
[  287.430039][ T6448]  ? do_raw_spin_unlock+0x121/0x230
[  287.435258][ T6448]  kobject_add_internal+0x6b8/0xc70
[  287.440489][ T6448]  kobject_init_and_add+0x126/0x190
[  287.445700][ T6448]  ? lockdep_softirqs_off+0x430/0x430
[  287.451085][ T6448]  ? kobject_add+0x220/0x220
[  287.455696][ T6448]  ? __init_swait_queue_head+0xa9/0x150
[  287.461253][ T6448]  gfs2_sys_fs_add+0x238/0x470
[  287.466043][ T6448]  ? gfs2_recover_set+0x250/0x250
[  287.471087][ T6448]  ? apply_workqueue_attrs+0x180/0x180
[  287.476570][ T6448]  gfs2_fill_super+0x1323/0x1f80
[  287.481533][ T6448]  ? gfs2_reconfigure+0xb10/0xb10
[  287.486579][ T6448]  ? setup_bdev_super+0x56b/0x660
[  287.491612][ T6448]  get_tree_bdev+0x3e4/0x510
[  287.496215][ T6448]  ? end_current_label_crit_section+0x170/0x170
[  287.502472][ T6448]  ? gfs2_reconfigure+0xb10/0xb10
[  287.507515][ T6448]  ? setup_bdev_super+0x660/0x660
[  287.512557][ T6448]  gfs2_get_tree+0x51/0x1e0
[  287.517081][ T6448]  vfs_get_tree+0x8c/0x280
[  287.521596][ T6448]  do_new_mount+0x24b/0xa40
[  287.526121][ T6448]  __se_sys_mount+0x2da/0x3c0
[  287.530813][ T6448]  ? __x64_sys_mount+0xc0/0xc0
[  287.535592][ T6448]  ? lockdep_hardirqs_on+0x98/0x150
[  287.540804][ T6448]  ? __x64_sys_mount+0x20/0xc0
[  287.545576][ T6448]  do_syscall_64+0x55/0xb0
[  287.550003][ T6448]  ? clear_bhb_loop+0x40/0x90
[  287.554699][ T6448]  ? clear_bhb_loop+0x40/0x90
[  287.559392][ T6448]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  287.565295][ T6448] RIP: 0033:0x7f765ab90eea
[  287.569728][ T6448] 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
[  287.589445][ T6448] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  287.597871][ T6448] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  287.605853][ T6448] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  287.613837][ T6448] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  287.621816][ T6448] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  287.629803][ T6448] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  287.637801][ T6448]  </TASK>
[  287.654198][ T6448] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  287.669690][ T6448] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  288.045146][ T6451] loop1: detected capacity change from 0 to 32768
[  288.060127][ T6451] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  288.067684][ T6451] CPU: 0 PID: 6451 Comm: syz.1.176 Not tainted syzkaller #0
[  288.075012][ T6451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  288.085107][ T6451] Call Trace:
[  288.088421][ T6451]  <TASK>
[  288.091384][ T6451]  dump_stack_lvl+0x16c/0x230
[  288.096121][ T6451]  ? show_regs_print_info+0x20/0x20
[  288.101374][ T6451]  ? load_image+0x3b0/0x3b0
[  288.105942][ T6451]  sysfs_create_dir_ns+0x256/0x280
[  288.111116][ T6451]  ? sysfs_warn_dup+0xa0/0xa0
[  288.115845][ T6451]  ? do_raw_spin_unlock+0x121/0x230
[  288.121091][ T6451]  kobject_add_internal+0x6b8/0xc70
[  288.126347][ T6451]  kobject_init_and_add+0x126/0x190
[  288.131673][ T6451]  ? lockdep_softirqs_off+0x430/0x430
[  288.137066][ T6451]  ? kobject_add+0x220/0x220
[  288.141681][ T6451]  ? __init_swait_queue_head+0xa9/0x150
[  288.147246][ T6451]  gfs2_sys_fs_add+0x238/0x470
[  288.152034][ T6451]  ? gfs2_recover_set+0x250/0x250
[  288.157084][ T6451]  ? apply_workqueue_attrs+0x180/0x180
[  288.162562][ T6451]  gfs2_fill_super+0x1323/0x1f80
[  288.167528][ T6451]  ? gfs2_reconfigure+0xb10/0xb10
[  288.172576][ T6451]  ? setup_bdev_super+0x56b/0x660
[  288.177614][ T6451]  get_tree_bdev+0x3e4/0x510
[  288.182213][ T6451]  ? end_current_label_crit_section+0x170/0x170
[  288.188474][ T6451]  ? gfs2_reconfigure+0xb10/0xb10
[  288.193519][ T6451]  ? setup_bdev_super+0x660/0x660
[  288.198567][ T6451]  gfs2_get_tree+0x51/0x1e0
[  288.203086][ T6451]  vfs_get_tree+0x8c/0x280
[  288.207519][ T6451]  do_new_mount+0x24b/0xa40
[  288.212041][ T6451]  __se_sys_mount+0x2da/0x3c0
[  288.216818][ T6451]  ? __x64_sys_mount+0xc0/0xc0
[  288.221592][ T6451]  ? lockdep_hardirqs_on+0x98/0x150
[  288.226806][ T6451]  ? __x64_sys_mount+0x20/0xc0
[  288.231582][ T6451]  do_syscall_64+0x55/0xb0
[  288.236018][ T6451]  ? clear_bhb_loop+0x40/0x90
[  288.240708][ T6451]  ? clear_bhb_loop+0x40/0x90
[  288.245397][ T6451]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  288.251303][ T6451] RIP: 0033:0x7f765ab90eea
[  288.255729][ T6451] 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
[  288.275342][ T6451] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  288.283770][ T6451] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  288.291761][ T6451] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  288.299739][ T6451] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  288.307720][ T6451] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  288.315703][ T6451] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  288.323700][ T6451]  </TASK>
[  288.333559][ T6451] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  288.348643][ T6451] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  288.728298][ T6454] loop1: detected capacity change from 0 to 32768
[  288.741194][ T6454] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  288.748804][ T6454] CPU: 1 PID: 6454 Comm: syz.1.177 Not tainted syzkaller #0
[  288.756141][ T6454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  288.766245][ T6454] Call Trace:
[  288.769565][ T6454]  <TASK>
[  288.772536][ T6454]  dump_stack_lvl+0x16c/0x230
[  288.777275][ T6454]  ? show_regs_print_info+0x20/0x20
[  288.782528][ T6454]  ? load_image+0x3b0/0x3b0
[  288.787093][ T6454]  sysfs_create_dir_ns+0x256/0x280
[  288.792262][ T6454]  ? sysfs_warn_dup+0xa0/0xa0
[  288.796994][ T6454]  ? do_raw_spin_unlock+0x121/0x230
[  288.802246][ T6454]  kobject_add_internal+0x6b8/0xc70
[  288.807505][ T6454]  kobject_init_and_add+0x126/0x190
[  288.812744][ T6454]  ? lockdep_softirqs_off+0x430/0x430
[  288.818141][ T6454]  ? kobject_add+0x220/0x220
[  288.822750][ T6454]  ? __init_swait_queue_head+0xa9/0x150
[  288.828318][ T6454]  gfs2_sys_fs_add+0x238/0x470
[  288.833106][ T6454]  ? gfs2_recover_set+0x250/0x250
[  288.838244][ T6454]  ? apply_workqueue_attrs+0x180/0x180
[  288.843722][ T6454]  gfs2_fill_super+0x1323/0x1f80
[  288.848685][ T6454]  ? gfs2_reconfigure+0xb10/0xb10
[  288.853733][ T6454]  ? setup_bdev_super+0x56b/0x660
[  288.858782][ T6454]  get_tree_bdev+0x3e4/0x510
[  288.863380][ T6454]  ? end_current_label_crit_section+0x170/0x170
[  288.869633][ T6454]  ? gfs2_reconfigure+0xb10/0xb10
[  288.874670][ T6454]  ? setup_bdev_super+0x660/0x660
[  288.879713][ T6454]  gfs2_get_tree+0x51/0x1e0
[  288.884237][ T6454]  vfs_get_tree+0x8c/0x280
[  288.888667][ T6454]  do_new_mount+0x24b/0xa40
[  288.893187][ T6454]  __se_sys_mount+0x2da/0x3c0
[  288.897882][ T6454]  ? __x64_sys_mount+0xc0/0xc0
[  288.902660][ T6454]  ? lockdep_hardirqs_on+0x98/0x150
[  288.907869][ T6454]  ? __x64_sys_mount+0x20/0xc0
[  288.912646][ T6454]  do_syscall_64+0x55/0xb0
[  288.917074][ T6454]  ? clear_bhb_loop+0x40/0x90
[  288.921771][ T6454]  ? clear_bhb_loop+0x40/0x90
[  288.926464][ T6454]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  288.932369][ T6454] RIP: 0033:0x7f765ab90eea
[  288.936796][ T6454] 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
[  288.956588][ T6454] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  288.965016][ T6454] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  288.973002][ T6454] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  288.980986][ T6454] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  288.989055][ T6454] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  288.997039][ T6454] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  289.005238][ T6454]  </TASK>
[  289.017264][ T6454] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  289.031658][ T6454] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  289.411660][ T6457] loop1: detected capacity change from 0 to 32768
[  289.426874][ T6457] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  289.435034][ T6457] CPU: 1 PID: 6457 Comm: syz.1.178 Not tainted syzkaller #0
[  289.442564][ T6457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  289.452654][ T6457] Call Trace:
[  289.455970][ T6457]  <TASK>
[  289.458935][ T6457]  dump_stack_lvl+0x16c/0x230
[  289.463672][ T6457]  ? show_regs_print_info+0x20/0x20
[  289.468919][ T6457]  ? load_image+0x3b0/0x3b0
[  289.473483][ T6457]  sysfs_create_dir_ns+0x256/0x280
[  289.478645][ T6457]  ? sysfs_warn_dup+0xa0/0xa0
[  289.483367][ T6457]  ? do_raw_spin_unlock+0x121/0x230
[  289.488614][ T6457]  kobject_add_internal+0x6b8/0xc70
[  289.493867][ T6457]  kobject_init_and_add+0x126/0x190
[  289.499082][ T6457]  ? lockdep_softirqs_off+0x430/0x430
[  289.504469][ T6457]  ? kobject_add+0x220/0x220
[  289.509078][ T6457]  ? __init_swait_queue_head+0xa9/0x150
[  289.514640][ T6457]  gfs2_sys_fs_add+0x238/0x470
[  289.519419][ T6457]  ? gfs2_recover_set+0x250/0x250
[  289.524459][ T6457]  ? apply_workqueue_attrs+0x180/0x180
[  289.529939][ T6457]  gfs2_fill_super+0x1323/0x1f80
[  289.534903][ T6457]  ? gfs2_reconfigure+0xb10/0xb10
[  289.539952][ T6457]  ? setup_bdev_super+0x56b/0x660
[  289.544989][ T6457]  get_tree_bdev+0x3e4/0x510
[  289.549594][ T6457]  ? end_current_label_crit_section+0x170/0x170
[  289.555848][ T6457]  ? gfs2_reconfigure+0xb10/0xb10
[  289.560891][ T6457]  ? setup_bdev_super+0x660/0x660
[  289.565933][ T6457]  gfs2_get_tree+0x51/0x1e0
[  289.570456][ T6457]  vfs_get_tree+0x8c/0x280
[  289.574884][ T6457]  do_new_mount+0x24b/0xa40
[  289.579404][ T6457]  __se_sys_mount+0x2da/0x3c0
[  289.584097][ T6457]  ? __x64_sys_mount+0xc0/0xc0
[  289.588878][ T6457]  ? lockdep_hardirqs_on+0x98/0x150
[  289.594087][ T6457]  ? __x64_sys_mount+0x20/0xc0
[  289.598864][ T6457]  do_syscall_64+0x55/0xb0
[  289.603288][ T6457]  ? clear_bhb_loop+0x40/0x90
[  289.607995][ T6457]  ? clear_bhb_loop+0x40/0x90
[  289.612687][ T6457]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  289.618595][ T6457] RIP: 0033:0x7f765ab90eea
[  289.623021][ T6457] 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
[  289.642642][ T6457] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  289.651068][ T6457] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  289.659070][ T6457] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  289.667080][ T6457] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  289.675069][ T6457] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  289.683058][ T6457] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  289.691063][ T6457]  </TASK>
[  289.702739][ T6457] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  289.720245][ T6457] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  290.115197][ T6460] loop1: detected capacity change from 0 to 32768
[  290.127959][ T6460] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  290.135405][ T6460] CPU: 0 PID: 6460 Comm: syz.1.179 Not tainted syzkaller #0
[  290.142728][ T6460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  290.152834][ T6460] Call Trace:
[  290.156150][ T6460]  <TASK>
[  290.159117][ T6460]  dump_stack_lvl+0x16c/0x230
[  290.163857][ T6460]  ? show_regs_print_info+0x20/0x20
[  290.169112][ T6460]  ? load_image+0x3b0/0x3b0
[  290.173684][ T6460]  sysfs_create_dir_ns+0x256/0x280
[  290.178850][ T6460]  ? sysfs_warn_dup+0xa0/0xa0
[  290.183598][ T6460]  ? do_raw_spin_unlock+0x121/0x230
[  290.188854][ T6460]  kobject_add_internal+0x6b8/0xc70
[  290.194134][ T6460]  kobject_init_and_add+0x126/0x190
[  290.199382][ T6460]  ? lockdep_softirqs_off+0x430/0x430
[  290.204805][ T6460]  ? kobject_add+0x220/0x220
[  290.209451][ T6460]  ? __init_swait_queue_head+0xa9/0x150
[  290.215044][ T6460]  gfs2_sys_fs_add+0x238/0x470
[  290.219853][ T6460]  ? gfs2_recover_set+0x250/0x250
[  290.224923][ T6460]  ? apply_workqueue_attrs+0x180/0x180
[  290.230432][ T6460]  gfs2_fill_super+0x1323/0x1f80
[  290.235434][ T6460]  ? gfs2_reconfigure+0xb10/0xb10
[  290.240511][ T6460]  ? setup_bdev_super+0x56b/0x660
[  290.245573][ T6460]  get_tree_bdev+0x3e4/0x510
[  290.250204][ T6460]  ? end_current_label_crit_section+0x170/0x170
[  290.256491][ T6460]  ? gfs2_reconfigure+0xb10/0xb10
[  290.261558][ T6460]  ? setup_bdev_super+0x660/0x660
[  290.266613][ T6460]  gfs2_get_tree+0x51/0x1e0
[  290.271132][ T6460]  vfs_get_tree+0x8c/0x280
[  290.275548][ T6460]  do_new_mount+0x24b/0xa40
[  290.280052][ T6460]  __se_sys_mount+0x2da/0x3c0
[  290.284738][ T6460]  ? __x64_sys_mount+0xc0/0xc0
[  290.289516][ T6460]  ? lockdep_hardirqs_on+0x98/0x150
[  290.294717][ T6460]  ? __x64_sys_mount+0x20/0xc0
[  290.299491][ T6460]  do_syscall_64+0x55/0xb0
[  290.303903][ T6460]  ? clear_bhb_loop+0x40/0x90
[  290.308579][ T6460]  ? clear_bhb_loop+0x40/0x90
[  290.313259][ T6460]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  290.319151][ T6460] RIP: 0033:0x7f765ab90eea
[  290.323587][ T6460] 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
[  290.343201][ T6460] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  290.351625][ T6460] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  290.359595][ T6460] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  290.367580][ T6460] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  290.375572][ T6460] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  290.383548][ T6460] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  290.391536][ T6460]  </TASK>
[  290.395186][ T6460] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  290.409337][ T6460] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  290.820122][ T6463] loop1: detected capacity change from 0 to 32768
[  290.829441][ T6463] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  290.836886][ T6463] CPU: 1 PID: 6463 Comm: syz.1.180 Not tainted syzkaller #0
[  290.844216][ T6463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  290.854314][ T6463] Call Trace:
[  290.857631][ T6463]  <TASK>
[  290.860599][ T6463]  dump_stack_lvl+0x16c/0x230
[  290.865333][ T6463]  ? show_regs_print_info+0x20/0x20
[  290.870608][ T6463]  ? load_image+0x3b0/0x3b0
[  290.875169][ T6463]  sysfs_create_dir_ns+0x256/0x280
[  290.880337][ T6463]  ? sysfs_warn_dup+0xa0/0xa0
[  290.885063][ T6463]  ? do_raw_spin_unlock+0x121/0x230
[  290.890301][ T6463]  kobject_add_internal+0x6b8/0xc70
[  290.895524][ T6463]  kobject_init_and_add+0x126/0x190
[  290.900738][ T6463]  ? lockdep_softirqs_off+0x430/0x430
[  290.906129][ T6463]  ? kobject_add+0x220/0x220
[  290.910741][ T6463]  ? __init_swait_queue_head+0xa9/0x150
[  290.916304][ T6463]  gfs2_sys_fs_add+0x238/0x470
[  290.921091][ T6463]  ? gfs2_recover_set+0x250/0x250
[  290.926159][ T6463]  ? apply_workqueue_attrs+0x180/0x180
[  290.931672][ T6463]  gfs2_fill_super+0x1323/0x1f80
[  290.936663][ T6463]  ? gfs2_reconfigure+0xb10/0xb10
[  290.941728][ T6463]  ? setup_bdev_super+0x56b/0x660
[  290.946768][ T6463]  get_tree_bdev+0x3e4/0x510
[  290.951370][ T6463]  ? end_current_label_crit_section+0x170/0x170
[  290.957629][ T6463]  ? gfs2_reconfigure+0xb10/0xb10
[  290.962668][ T6463]  ? setup_bdev_super+0x660/0x660
[  290.967711][ T6463]  gfs2_get_tree+0x51/0x1e0
[  290.972234][ T6463]  vfs_get_tree+0x8c/0x280
[  290.976661][ T6463]  do_new_mount+0x24b/0xa40
[  290.981187][ T6463]  __se_sys_mount+0x2da/0x3c0
[  290.985880][ T6463]  ? __x64_sys_mount+0xc0/0xc0
[  290.990663][ T6463]  ? lockdep_hardirqs_on+0x98/0x150
[  290.995877][ T6463]  ? __x64_sys_mount+0x20/0xc0
[  291.000652][ T6463]  do_syscall_64+0x55/0xb0
[  291.005085][ T6463]  ? clear_bhb_loop+0x40/0x90
[  291.009779][ T6463]  ? clear_bhb_loop+0x40/0x90
[  291.014470][ T6463]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  291.020377][ T6463] RIP: 0033:0x7f765ab90eea
[  291.024807][ T6463] 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
[  291.044483][ T6463] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  291.052939][ T6463] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  291.060941][ T6463] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  291.069014][ T6463] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  291.076998][ T6463] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  291.084979][ T6463] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  291.093065][ T6463]  </TASK>
[  291.101335][ T6463] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  291.115808][ T6463] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  291.519764][ T6466] loop1: detected capacity change from 0 to 32768
[  291.530876][ T6466] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  291.539860][ T6466] CPU: 0 PID: 6466 Comm: syz.1.181 Not tainted syzkaller #0
[  291.547203][ T6466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  291.557318][ T6466] Call Trace:
[  291.560639][ T6466]  <TASK>
[  291.563622][ T6466]  dump_stack_lvl+0x16c/0x230
[  291.568355][ T6466]  ? show_regs_print_info+0x20/0x20
[  291.573619][ T6466]  ? load_image+0x3b0/0x3b0
[  291.578178][ T6466]  sysfs_create_dir_ns+0x256/0x280
[  291.583340][ T6466]  ? sysfs_warn_dup+0xa0/0xa0
[  291.588077][ T6466]  ? do_raw_spin_unlock+0x121/0x230
[  291.593322][ T6466]  kobject_add_internal+0x6b8/0xc70
[  291.598575][ T6466]  kobject_init_and_add+0x126/0x190
[  291.603818][ T6466]  ? lockdep_softirqs_off+0x430/0x430
[  291.609240][ T6466]  ? kobject_add+0x220/0x220
[  291.613876][ T6466]  ? __init_swait_queue_head+0xa9/0x150
[  291.619465][ T6466]  gfs2_sys_fs_add+0x238/0x470
[  291.624276][ T6466]  ? gfs2_recover_set+0x250/0x250
[  291.629352][ T6466]  ? apply_workqueue_attrs+0x180/0x180
[  291.634862][ T6466]  gfs2_fill_super+0x1323/0x1f80
[  291.639858][ T6466]  ? gfs2_reconfigure+0xb10/0xb10
[  291.644947][ T6466]  ? setup_bdev_super+0x56b/0x660
[  291.650012][ T6466]  get_tree_bdev+0x3e4/0x510
[  291.654633][ T6466]  ? end_current_label_crit_section+0x170/0x170
[  291.660888][ T6466]  ? gfs2_reconfigure+0xb10/0xb10
[  291.665921][ T6466]  ? setup_bdev_super+0x660/0x660
[  291.670966][ T6466]  gfs2_get_tree+0x51/0x1e0
[  291.675479][ T6466]  vfs_get_tree+0x8c/0x280
[  291.679901][ T6466]  do_new_mount+0x24b/0xa40
[  291.684413][ T6466]  __se_sys_mount+0x2da/0x3c0
[  291.689094][ T6466]  ? __x64_sys_mount+0xc0/0xc0
[  291.693855][ T6466]  ? lockdep_hardirqs_on+0x98/0x150
[  291.699052][ T6466]  ? __x64_sys_mount+0x20/0xc0
[  291.703808][ T6466]  do_syscall_64+0x55/0xb0
[  291.708217][ T6466]  ? clear_bhb_loop+0x40/0x90
[  291.712889][ T6466]  ? clear_bhb_loop+0x40/0x90
[  291.717566][ T6466]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  291.723456][ T6466] RIP: 0033:0x7f765ab90eea
[  291.727872][ T6466] 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
[  291.747480][ T6466] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  291.755892][ T6466] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  291.763871][ T6466] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  291.771841][ T6466] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  291.779817][ T6466] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  291.787800][ T6466] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  291.795777][ T6466]  </TASK>
[  291.804252][ T6466] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  291.818607][ T6466] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  292.248076][ T6469] loop1: detected capacity change from 0 to 32768
[  292.262163][ T6469] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  292.269703][ T6469] CPU: 1 PID: 6469 Comm: syz.1.182 Not tainted syzkaller #0
[  292.277031][ T6469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  292.287109][ T6469] Call Trace:
[  292.290403][ T6469]  <TASK>
[  292.293346][ T6469]  dump_stack_lvl+0x16c/0x230
[  292.298045][ T6469]  ? show_regs_print_info+0x20/0x20
[  292.303263][ T6469]  ? load_image+0x3b0/0x3b0
[  292.307794][ T6469]  sysfs_create_dir_ns+0x256/0x280
[  292.312928][ T6469]  ? sysfs_warn_dup+0xa0/0xa0
[  292.317625][ T6469]  ? do_raw_spin_unlock+0x121/0x230
[  292.322837][ T6469]  kobject_add_internal+0x6b8/0xc70
[  292.328062][ T6469]  kobject_init_and_add+0x126/0x190
[  292.333275][ T6469]  ? lockdep_softirqs_off+0x430/0x430
[  292.338663][ T6469]  ? kobject_add+0x220/0x220
[  292.343706][ T6469]  ? __init_swait_queue_head+0xa9/0x150
[  292.349270][ T6469]  gfs2_sys_fs_add+0x238/0x470
[  292.354136][ T6469]  ? gfs2_recover_set+0x250/0x250
[  292.359189][ T6469]  ? apply_workqueue_attrs+0x180/0x180
[  292.365103][ T6469]  gfs2_fill_super+0x1323/0x1f80
[  292.370066][ T6469]  ? gfs2_reconfigure+0xb10/0xb10
[  292.375116][ T6469]  ? setup_bdev_super+0x56b/0x660
[  292.380151][ T6469]  get_tree_bdev+0x3e4/0x510
[  292.384753][ T6469]  ? end_current_label_crit_section+0x170/0x170
[  292.391018][ T6469]  ? gfs2_reconfigure+0xb10/0xb10
[  292.396067][ T6469]  ? setup_bdev_super+0x660/0x660
[  292.401118][ T6469]  gfs2_get_tree+0x51/0x1e0
[  292.405722][ T6469]  vfs_get_tree+0x8c/0x280
[  292.410154][ T6469]  do_new_mount+0x24b/0xa40
[  292.414674][ T6469]  __se_sys_mount+0x2da/0x3c0
[  292.419449][ T6469]  ? __x64_sys_mount+0xc0/0xc0
[  292.424232][ T6469]  ? lockdep_hardirqs_on+0x98/0x150
[  292.429441][ T6469]  ? __x64_sys_mount+0x20/0xc0
[  292.434213][ T6469]  do_syscall_64+0x55/0xb0
[  292.438634][ T6469]  ? clear_bhb_loop+0x40/0x90
[  292.443323][ T6469]  ? clear_bhb_loop+0x40/0x90
[  292.448020][ T6469]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  292.453923][ T6469] RIP: 0033:0x7f765ab90eea
[  292.458349][ T6469] 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
[  292.477992][ T6469] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  292.486425][ T6469] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  292.494408][ T6469] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  292.502390][ T6469] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  292.510368][ T6469] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  292.518348][ T6469] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  292.526346][ T6469]  </TASK>
[  292.537174][ T6469] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  292.552503][ T6469] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/02 05:39:23 executed programs: 168
[  292.949206][ T6472] loop1: detected capacity change from 0 to 32768
[  292.968208][ T6472] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  292.975646][ T6472] CPU: 1 PID: 6472 Comm: syz.1.183 Not tainted syzkaller #0
[  292.982972][ T6472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  292.993156][ T6472] Call Trace:
[  292.996470][ T6472]  <TASK>
[  292.999433][ T6472]  dump_stack_lvl+0x16c/0x230
[  293.004163][ T6472]  ? show_regs_print_info+0x20/0x20
[  293.009405][ T6472]  ? load_image+0x3b0/0x3b0
[  293.013964][ T6472]  sysfs_create_dir_ns+0x256/0x280
[  293.019132][ T6472]  ? sysfs_warn_dup+0xa0/0xa0
[  293.023860][ T6472]  ? do_raw_spin_unlock+0x121/0x230
[  293.029099][ T6472]  kobject_add_internal+0x6b8/0xc70
[  293.034325][ T6472]  kobject_init_and_add+0x126/0x190
[  293.039534][ T6472]  ? lockdep_softirqs_off+0x430/0x430
[  293.044919][ T6472]  ? kobject_add+0x220/0x220
[  293.049523][ T6472]  ? __init_swait_queue_head+0xa9/0x150
[  293.055089][ T6472]  gfs2_sys_fs_add+0x238/0x470
[  293.059881][ T6472]  ? gfs2_recover_set+0x250/0x250
[  293.064922][ T6472]  ? apply_workqueue_attrs+0x180/0x180
[  293.070402][ T6472]  gfs2_fill_super+0x1323/0x1f80
[  293.075365][ T6472]  ? gfs2_reconfigure+0xb10/0xb10
[  293.080413][ T6472]  ? setup_bdev_super+0x56b/0x660
[  293.085445][ T6472]  get_tree_bdev+0x3e4/0x510
[  293.090046][ T6472]  ? end_current_label_crit_section+0x170/0x170
[  293.096326][ T6472]  ? gfs2_reconfigure+0xb10/0xb10
[  293.101399][ T6472]  ? setup_bdev_super+0x660/0x660
[  293.106456][ T6472]  gfs2_get_tree+0x51/0x1e0
[  293.110981][ T6472]  vfs_get_tree+0x8c/0x280
[  293.115411][ T6472]  do_new_mount+0x24b/0xa40
[  293.119931][ T6472]  __se_sys_mount+0x2da/0x3c0
[  293.124628][ T6472]  ? __x64_sys_mount+0xc0/0xc0
[  293.129407][ T6472]  ? lockdep_hardirqs_on+0x98/0x150
[  293.134615][ T6472]  ? __x64_sys_mount+0x20/0xc0
[  293.139392][ T6472]  do_syscall_64+0x55/0xb0
[  293.143816][ T6472]  ? clear_bhb_loop+0x40/0x90
[  293.148502][ T6472]  ? clear_bhb_loop+0x40/0x90
[  293.153190][ T6472]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  293.159097][ T6472] RIP: 0033:0x7f765ab90eea
[  293.163531][ T6472] 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
[  293.183153][ T6472] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  293.191580][ T6472] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  293.199561][ T6472] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  293.207541][ T6472] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  293.215607][ T6472] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  293.223588][ T6472] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  293.231583][ T6472]  </TASK>
[  293.242496][ T6472] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  293.256517][ T6472] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  293.637515][ T6475] loop1: detected capacity change from 0 to 32768
[  293.650830][ T6475] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  293.658437][ T6475] CPU: 1 PID: 6475 Comm: syz.1.184 Not tainted syzkaller #0
[  293.665775][ T6475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  293.675865][ T6475] Call Trace:
[  293.679180][ T6475]  <TASK>
[  293.682147][ T6475]  dump_stack_lvl+0x16c/0x230
[  293.686883][ T6475]  ? show_regs_print_info+0x20/0x20
[  293.692131][ T6475]  ? load_image+0x3b0/0x3b0
[  293.696700][ T6475]  sysfs_create_dir_ns+0x256/0x280
[  293.701865][ T6475]  ? sysfs_warn_dup+0xa0/0xa0
[  293.706588][ T6475]  ? do_raw_spin_unlock+0x121/0x230
[  293.711833][ T6475]  kobject_add_internal+0x6b8/0xc70
[  293.717083][ T6475]  kobject_init_and_add+0x126/0x190
[  293.722312][ T6475]  ? lockdep_softirqs_off+0x430/0x430
[  293.727705][ T6475]  ? kobject_add+0x220/0x220
[  293.732320][ T6475]  ? __init_swait_queue_head+0xa9/0x150
[  293.737887][ T6475]  gfs2_sys_fs_add+0x238/0x470
[  293.742664][ T6475]  ? gfs2_recover_set+0x250/0x250
[  293.747711][ T6475]  ? apply_workqueue_attrs+0x180/0x180
[  293.753196][ T6475]  gfs2_fill_super+0x1323/0x1f80
[  293.758167][ T6475]  ? gfs2_reconfigure+0xb10/0xb10
[  293.763213][ T6475]  ? setup_bdev_super+0x56b/0x660
[  293.768259][ T6475]  get_tree_bdev+0x3e4/0x510
[  293.772863][ T6475]  ? end_current_label_crit_section+0x170/0x170
[  293.779137][ T6475]  ? gfs2_reconfigure+0xb10/0xb10
[  293.784183][ T6475]  ? setup_bdev_super+0x660/0x660
[  293.789224][ T6475]  gfs2_get_tree+0x51/0x1e0
[  293.793753][ T6475]  vfs_get_tree+0x8c/0x280
[  293.798183][ T6475]  do_new_mount+0x24b/0xa40
[  293.802705][ T6475]  __se_sys_mount+0x2da/0x3c0
[  293.807398][ T6475]  ? __x64_sys_mount+0xc0/0xc0
[  293.812177][ T6475]  ? lockdep_hardirqs_on+0x98/0x150
[  293.817385][ T6475]  ? __x64_sys_mount+0x20/0xc0
[  293.822157][ T6475]  do_syscall_64+0x55/0xb0
[  293.826601][ T6475]  ? clear_bhb_loop+0x40/0x90
[  293.831296][ T6475]  ? clear_bhb_loop+0x40/0x90
[  293.835988][ T6475]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  293.841894][ T6475] RIP: 0033:0x7f765ab90eea
[  293.846319][ T6475] 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
[  293.865933][ T6475] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  293.874373][ T6475] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  293.882362][ T6475] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  293.890347][ T6475] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  293.898329][ T6475] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  293.906310][ T6475] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  293.914300][ T6475]  </TASK>
[  293.928928][ T6475] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  293.943605][ T6475] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  294.347797][ T6478] loop1: detected capacity change from 0 to 32768
[  294.358451][ T6478] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  294.365967][ T6478] CPU: 1 PID: 6478 Comm: syz.1.185 Not tainted syzkaller #0
[  294.373300][ T6478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  294.383429][ T6478] Call Trace:
[  294.386750][ T6478]  <TASK>
[  294.389725][ T6478]  dump_stack_lvl+0x16c/0x230
[  294.394458][ T6478]  ? show_regs_print_info+0x20/0x20
[  294.399706][ T6478]  ? load_image+0x3b0/0x3b0
[  294.404281][ T6478]  sysfs_create_dir_ns+0x256/0x280
[  294.409442][ T6478]  ? sysfs_warn_dup+0xa0/0xa0
[  294.414167][ T6478]  ? do_raw_spin_unlock+0x121/0x230
[  294.419421][ T6478]  kobject_add_internal+0x6b8/0xc70
[  294.424643][ T6478]  kobject_init_and_add+0x126/0x190
[  294.429856][ T6478]  ? lockdep_softirqs_off+0x430/0x430
[  294.435255][ T6478]  ? kobject_add+0x220/0x220
[  294.439867][ T6478]  ? __init_swait_queue_head+0xa9/0x150
[  294.445428][ T6478]  gfs2_sys_fs_add+0x238/0x470
[  294.450206][ T6478]  ? gfs2_recover_set+0x250/0x250
[  294.455253][ T6478]  ? apply_workqueue_attrs+0x180/0x180
[  294.460735][ T6478]  gfs2_fill_super+0x1323/0x1f80
[  294.465787][ T6478]  ? gfs2_reconfigure+0xb10/0xb10
[  294.470836][ T6478]  ? setup_bdev_super+0x56b/0x660
[  294.475872][ T6478]  get_tree_bdev+0x3e4/0x510
[  294.480472][ T6478]  ? end_current_label_crit_section+0x170/0x170
[  294.486730][ T6478]  ? gfs2_reconfigure+0xb10/0xb10
[  294.491774][ T6478]  ? setup_bdev_super+0x660/0x660
[  294.496915][ T6478]  gfs2_get_tree+0x51/0x1e0
[  294.501452][ T6478]  vfs_get_tree+0x8c/0x280
[  294.505892][ T6478]  do_new_mount+0x24b/0xa40
[  294.510415][ T6478]  __se_sys_mount+0x2da/0x3c0
[  294.515109][ T6478]  ? __x64_sys_mount+0xc0/0xc0
[  294.519890][ T6478]  ? lockdep_hardirqs_on+0x98/0x150
[  294.525104][ T6478]  ? __x64_sys_mount+0x20/0xc0
[  294.529888][ T6478]  do_syscall_64+0x55/0xb0
[  294.534402][ T6478]  ? clear_bhb_loop+0x40/0x90
[  294.539092][ T6478]  ? clear_bhb_loop+0x40/0x90
[  294.543781][ T6478]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  294.549689][ T6478] RIP: 0033:0x7f765ab90eea
[  294.554118][ T6478] 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
[  294.573733][ T6478] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  294.582163][ T6478] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  294.590157][ T6478] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  294.598316][ T6478] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  294.606311][ T6478] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  294.614289][ T6478] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  294.622284][ T6478]  </TASK>
[  294.631306][ T6478] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  294.646243][ T6478] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  295.048577][ T6481] loop1: detected capacity change from 0 to 32768
[  295.067173][ T6481] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  295.074621][ T6481] CPU: 1 PID: 6481 Comm: syz.1.186 Not tainted syzkaller #0
[  295.081952][ T6481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  295.092050][ T6481] Call Trace:
[  295.095370][ T6481]  <TASK>
[  295.098341][ T6481]  dump_stack_lvl+0x16c/0x230
[  295.103077][ T6481]  ? show_regs_print_info+0x20/0x20
[  295.108333][ T6481]  ? load_image+0x3b0/0x3b0
[  295.112896][ T6481]  sysfs_create_dir_ns+0x256/0x280
[  295.118058][ T6481]  ? sysfs_warn_dup+0xa0/0xa0
[  295.122785][ T6481]  ? do_raw_spin_unlock+0x121/0x230
[  295.128122][ T6481]  kobject_add_internal+0x6b8/0xc70
[  295.133360][ T6481]  kobject_init_and_add+0x126/0x190
[  295.138572][ T6481]  ? lockdep_softirqs_off+0x430/0x430
[  295.143960][ T6481]  ? kobject_add+0x220/0x220
[  295.148568][ T6481]  ? __init_swait_queue_head+0xa9/0x150
[  295.154129][ T6481]  gfs2_sys_fs_add+0x238/0x470
[  295.158910][ T6481]  ? gfs2_recover_set+0x250/0x250
[  295.164047][ T6481]  ? apply_workqueue_attrs+0x180/0x180
[  295.169611][ T6481]  gfs2_fill_super+0x1323/0x1f80
[  295.174573][ T6481]  ? gfs2_reconfigure+0xb10/0xb10
[  295.179621][ T6481]  ? setup_bdev_super+0x56b/0x660
[  295.184659][ T6481]  get_tree_bdev+0x3e4/0x510
[  295.189262][ T6481]  ? end_current_label_crit_section+0x170/0x170
[  295.195515][ T6481]  ? gfs2_reconfigure+0xb10/0xb10
[  295.200729][ T6481]  ? setup_bdev_super+0x660/0x660
[  295.205772][ T6481]  gfs2_get_tree+0x51/0x1e0
[  295.210295][ T6481]  vfs_get_tree+0x8c/0x280
[  295.214722][ T6481]  do_new_mount+0x24b/0xa40
[  295.219245][ T6481]  __se_sys_mount+0x2da/0x3c0
[  295.223937][ T6481]  ? __x64_sys_mount+0xc0/0xc0
[  295.228715][ T6481]  ? lockdep_hardirqs_on+0x98/0x150
[  295.233926][ T6481]  ? __x64_sys_mount+0x20/0xc0
[  295.238703][ T6481]  do_syscall_64+0x55/0xb0
[  295.243125][ T6481]  ? clear_bhb_loop+0x40/0x90
[  295.247821][ T6481]  ? clear_bhb_loop+0x40/0x90
[  295.252512][ T6481]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  295.258427][ T6481] RIP: 0033:0x7f765ab90eea
[  295.262858][ 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
[  295.282476][ T6481] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  295.290904][ T6481] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  295.298888][ T6481] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  295.306868][ T6481] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  295.314855][ T6481] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  295.323013][ T6481] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  295.331011][ T6481]  </TASK>
[  295.339661][ 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.
[  295.355020][ T6481] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  295.760221][ T6484] loop1: detected capacity change from 0 to 32768
[  295.771184][ T6484] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  295.778907][ T6484] CPU: 1 PID: 6484 Comm: syz.1.187 Not tainted syzkaller #0
[  295.786249][ T6484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  295.796350][ T6484] Call Trace:
[  295.799672][ T6484]  <TASK>
[  295.802639][ T6484]  dump_stack_lvl+0x16c/0x230
[  295.807374][ T6484]  ? show_regs_print_info+0x20/0x20
[  295.812621][ T6484]  ? load_image+0x3b0/0x3b0
[  295.817181][ T6484]  sysfs_create_dir_ns+0x256/0x280
[  295.822364][ T6484]  ? sysfs_warn_dup+0xa0/0xa0
[  295.827097][ T6484]  ? do_raw_spin_unlock+0x121/0x230
[  295.832343][ T6484]  kobject_add_internal+0x6b8/0xc70
[  295.837605][ T6484]  kobject_init_and_add+0x126/0x190
[  295.842850][ T6484]  ? lockdep_softirqs_off+0x430/0x430
[  295.848248][ T6484]  ? kobject_add+0x220/0x220
[  295.852839][ T6484]  ? __init_swait_queue_head+0xa9/0x150
[  295.858384][ T6484]  gfs2_sys_fs_add+0x238/0x470
[  295.863150][ T6484]  ? gfs2_recover_set+0x250/0x250
[  295.868177][ T6484]  ? apply_workqueue_attrs+0x180/0x180
[  295.873645][ T6484]  gfs2_fill_super+0x1323/0x1f80
[  295.878592][ T6484]  ? gfs2_reconfigure+0xb10/0xb10
[  295.883620][ T6484]  ? setup_bdev_super+0x56b/0x660
[  295.888656][ T6484]  get_tree_bdev+0x3e4/0x510
[  295.893269][ T6484]  ? end_current_label_crit_section+0x170/0x170
[  295.899531][ T6484]  ? gfs2_reconfigure+0xb10/0xb10
[  295.904567][ T6484]  ? setup_bdev_super+0x660/0x660
[  295.909591][ T6484]  gfs2_get_tree+0x51/0x1e0
[  295.914097][ T6484]  vfs_get_tree+0x8c/0x280
[  295.918509][ T6484]  do_new_mount+0x24b/0xa40
[  295.923015][ T6484]  __se_sys_mount+0x2da/0x3c0
[  295.927690][ T6484]  ? __x64_sys_mount+0xc0/0xc0
[  295.932453][ T6484]  ? lockdep_hardirqs_on+0x98/0x150
[  295.937661][ T6484]  ? __x64_sys_mount+0x20/0xc0
[  295.942447][ T6484]  do_syscall_64+0x55/0xb0
[  295.946855][ T6484]  ? clear_bhb_loop+0x40/0x90
[  295.951537][ T6484]  ? clear_bhb_loop+0x40/0x90
[  295.956213][ T6484]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  295.962102][ T6484] RIP: 0033:0x7f765ab90eea
[  295.966514][ T6484] 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
[  295.986213][ T6484] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  295.994630][ T6484] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  296.002600][ T6484] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  296.010567][ T6484] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  296.018537][ T6484] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  296.026509][ T6484] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  296.034498][ T6484]  </TASK>
[  296.041623][ T6484] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  296.057152][ T6484] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  296.462042][ T6487] loop1: detected capacity change from 0 to 32768
[  296.475551][ T6487] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  296.483688][ T6487] CPU: 1 PID: 6487 Comm: syz.1.188 Not tainted syzkaller #0
[  296.491027][ T6487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  296.501128][ T6487] Call Trace:
[  296.504442][ T6487]  <TASK>
[  296.507414][ T6487]  dump_stack_lvl+0x16c/0x230
[  296.512151][ T6487]  ? show_regs_print_info+0x20/0x20
[  296.517402][ T6487]  ? load_image+0x3b0/0x3b0
[  296.521973][ T6487]  sysfs_create_dir_ns+0x256/0x280
[  296.527136][ T6487]  ? sysfs_warn_dup+0xa0/0xa0
[  296.531857][ T6487]  ? do_raw_spin_unlock+0x121/0x230
[  296.537105][ T6487]  kobject_add_internal+0x6b8/0xc70
[  296.542346][ T6487]  kobject_init_and_add+0x126/0x190
[  296.547564][ T6487]  ? lockdep_softirqs_off+0x430/0x430
[  296.552963][ T6487]  ? kobject_add+0x220/0x220
[  296.557574][ T6487]  ? __init_swait_queue_head+0xa9/0x150
[  296.563134][ T6487]  gfs2_sys_fs_add+0x238/0x470
[  296.567923][ T6487]  ? gfs2_recover_set+0x250/0x250
[  296.572994][ T6487]  ? apply_workqueue_attrs+0x180/0x180
[  296.578476][ T6487]  gfs2_fill_super+0x1323/0x1f80
[  296.583445][ T6487]  ? gfs2_reconfigure+0xb10/0xb10
[  296.588495][ T6487]  ? setup_bdev_super+0x56b/0x660
[  296.593534][ T6487]  get_tree_bdev+0x3e4/0x510
[  296.598135][ T6487]  ? end_current_label_crit_section+0x170/0x170
[  296.604388][ T6487]  ? gfs2_reconfigure+0xb10/0xb10
[  296.609428][ T6487]  ? setup_bdev_super+0x660/0x660
[  296.614476][ T6487]  gfs2_get_tree+0x51/0x1e0
[  296.619000][ T6487]  vfs_get_tree+0x8c/0x280
[  296.623430][ T6487]  do_new_mount+0x24b/0xa40
[  296.627990][ T6487]  __se_sys_mount+0x2da/0x3c0
[  296.632681][ T6487]  ? __x64_sys_mount+0xc0/0xc0
[  296.637460][ T6487]  ? lockdep_hardirqs_on+0x98/0x150
[  296.642673][ T6487]  ? __x64_sys_mount+0x20/0xc0
[  296.647451][ T6487]  do_syscall_64+0x55/0xb0
[  296.651876][ T6487]  ? clear_bhb_loop+0x40/0x90
[  296.656568][ T6487]  ? clear_bhb_loop+0x40/0x90
[  296.661261][ T6487]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  296.667163][ T6487] RIP: 0033:0x7f765ab90eea
[  296.671587][ T6487] 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
[  296.691469][ T6487] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  296.699894][ T6487] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  296.707880][ T6487] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  296.715872][ T6487] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  296.723854][ T6487] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  296.731838][ T6487] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  296.739832][ T6487]  </TASK>
[  296.767194][ T6487] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  296.781551][ T6487] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  297.169832][ T6490] loop1: detected capacity change from 0 to 32768
[  297.185717][ T6490] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  297.193445][ T6490] CPU: 1 PID: 6490 Comm: syz.1.189 Not tainted syzkaller #0
[  297.200794][ T6490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  297.210890][ T6490] Call Trace:
[  297.214254][ T6490]  <TASK>
[  297.217219][ T6490]  dump_stack_lvl+0x16c/0x230
[  297.222012][ T6490]  ? show_regs_print_info+0x20/0x20
[  297.227348][ T6490]  ? load_image+0x3b0/0x3b0
[  297.231913][ T6490]  sysfs_create_dir_ns+0x256/0x280
[  297.237086][ T6490]  ? sysfs_warn_dup+0xa0/0xa0
[  297.241806][ T6490]  ? do_raw_spin_unlock+0x121/0x230
[  297.247072][ T6490]  kobject_add_internal+0x6b8/0xc70
[  297.252330][ T6490]  kobject_init_and_add+0x126/0x190
[  297.257674][ T6490]  ? lockdep_softirqs_off+0x430/0x430
[  297.263093][ T6490]  ? kobject_add+0x220/0x220
[  297.267794][ T6490]  ? __init_swait_queue_head+0xa9/0x150
[  297.273386][ T6490]  gfs2_sys_fs_add+0x238/0x470
[  297.278298][ T6490]  ? gfs2_recover_set+0x250/0x250
[  297.283373][ T6490]  ? apply_workqueue_attrs+0x180/0x180
[  297.288889][ T6490]  gfs2_fill_super+0x1323/0x1f80
[  297.293890][ T6490]  ? gfs2_reconfigure+0xb10/0xb10
[  297.298984][ T6490]  ? setup_bdev_super+0x56b/0x660
[  297.304053][ T6490]  get_tree_bdev+0x3e4/0x510
[  297.308671][ T6490]  ? end_current_label_crit_section+0x170/0x170
[  297.314913][ T6490]  ? gfs2_reconfigure+0xb10/0xb10
[  297.320093][ T6490]  ? setup_bdev_super+0x660/0x660
[  297.325134][ T6490]  gfs2_get_tree+0x51/0x1e0
[  297.329650][ T6490]  vfs_get_tree+0x8c/0x280
[  297.334096][ T6490]  do_new_mount+0x24b/0xa40
[  297.338625][ T6490]  __se_sys_mount+0x2da/0x3c0
[  297.343302][ T6490]  ? __x64_sys_mount+0xc0/0xc0
[  297.348085][ T6490]  ? lockdep_hardirqs_on+0x98/0x150
[  297.353309][ T6490]  ? __x64_sys_mount+0x20/0xc0
[  297.358073][ T6490]  do_syscall_64+0x55/0xb0
[  297.362486][ T6490]  ? clear_bhb_loop+0x40/0x90
[  297.367164][ T6490]  ? clear_bhb_loop+0x40/0x90
[  297.371844][ T6490]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  297.377744][ T6490] RIP: 0033:0x7f765ab90eea
[  297.382159][ T6490] 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
[  297.401766][ T6490] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  297.410182][ T6490] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  297.418152][ T6490] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  297.426119][ T6490] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  297.434101][ T6490] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  297.442069][ T6490] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  297.450067][ T6490]  </TASK>
[  297.454482][ T6490] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  297.469101][ T6490] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/02 05:39:28 executed programs: 175
[  297.888318][ T6493] loop1: detected capacity change from 0 to 32768
[  297.903263][ T6493] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  297.910879][ T6493] CPU: 1 PID: 6493 Comm: syz.1.190 Not tainted syzkaller #0
[  297.918215][ T6493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  297.928289][ T6493] Call Trace:
[  297.931583][ T6493]  <TASK>
[  297.934524][ T6493]  dump_stack_lvl+0x16c/0x230
[  297.939232][ T6493]  ? show_regs_print_info+0x20/0x20
[  297.944624][ T6493]  ? load_image+0x3b0/0x3b0
[  297.949155][ T6493]  sysfs_create_dir_ns+0x256/0x280
[  297.954315][ T6493]  ? sysfs_warn_dup+0xa0/0xa0
[  297.959015][ T6493]  ? do_raw_spin_unlock+0x121/0x230
[  297.964234][ T6493]  kobject_add_internal+0x6b8/0xc70
[  297.969461][ T6493]  kobject_init_and_add+0x126/0x190
[  297.974676][ T6493]  ? lockdep_softirqs_off+0x430/0x430
[  297.980071][ T6493]  ? kobject_add+0x220/0x220
[  297.984676][ T6493]  ? __init_swait_queue_head+0xa9/0x150
[  297.990234][ T6493]  gfs2_sys_fs_add+0x238/0x470
[  297.995017][ T6493]  ? gfs2_recover_set+0x250/0x250
[  298.000068][ T6493]  ? apply_workqueue_attrs+0x180/0x180
[  298.005548][ T6493]  gfs2_fill_super+0x1323/0x1f80
[  298.010512][ T6493]  ? gfs2_reconfigure+0xb10/0xb10
[  298.015565][ T6493]  ? setup_bdev_super+0x56b/0x660
[  298.020625][ T6493]  get_tree_bdev+0x3e4/0x510
[  298.025263][ T6493]  ? end_current_label_crit_section+0x170/0x170
[  298.031536][ T6493]  ? gfs2_reconfigure+0xb10/0xb10
[  298.036579][ T6493]  ? setup_bdev_super+0x660/0x660
[  298.041622][ T6493]  gfs2_get_tree+0x51/0x1e0
[  298.046142][ T6493]  vfs_get_tree+0x8c/0x280
[  298.050570][ T6493]  do_new_mount+0x24b/0xa40
[  298.055092][ T6493]  __se_sys_mount+0x2da/0x3c0
[  298.059787][ T6493]  ? __x64_sys_mount+0xc0/0xc0
[  298.064571][ T6493]  ? lockdep_hardirqs_on+0x98/0x150
[  298.069785][ T6493]  ? __x64_sys_mount+0x20/0xc0
[  298.074583][ T6493]  do_syscall_64+0x55/0xb0
[  298.079013][ T6493]  ? clear_bhb_loop+0x40/0x90
[  298.083738][ T6493]  ? clear_bhb_loop+0x40/0x90
[  298.088494][ T6493]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  298.094416][ T6493] RIP: 0033:0x7f765ab90eea
[  298.098869][ T6493] 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
[  298.118493][ T6493] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  298.126931][ T6493] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  298.134925][ T6493] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  298.142909][ T6493] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  298.151067][ T6493] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  298.159047][ T6493] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  298.167163][ T6493]  </TASK>
[  298.182315][ T6493] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  298.197554][ T6493] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  298.587300][ T6496] loop1: detected capacity change from 0 to 32768
[  298.600860][ T6496] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  298.608602][ T6496] CPU: 1 PID: 6496 Comm: syz.1.191 Not tainted syzkaller #0
[  298.615950][ T6496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  298.626039][ T6496] Call Trace:
[  298.629333][ T6496]  <TASK>
[  298.632272][ T6496]  dump_stack_lvl+0x16c/0x230
[  298.636976][ T6496]  ? show_regs_print_info+0x20/0x20
[  298.642197][ T6496]  ? load_image+0x3b0/0x3b0
[  298.646734][ T6496]  sysfs_create_dir_ns+0x256/0x280
[  298.651871][ T6496]  ? sysfs_warn_dup+0xa0/0xa0
[  298.656568][ T6496]  ? do_raw_spin_unlock+0x121/0x230
[  298.661789][ T6496]  kobject_add_internal+0x6b8/0xc70
[  298.667010][ T6496]  kobject_init_and_add+0x126/0x190
[  298.672219][ T6496]  ? lockdep_softirqs_off+0x430/0x430
[  298.677624][ T6496]  ? kobject_add+0x220/0x220
[  298.682228][ T6496]  ? __init_swait_queue_head+0xa9/0x150
[  298.687790][ T6496]  gfs2_sys_fs_add+0x238/0x470
[  298.692568][ T6496]  ? gfs2_recover_set+0x250/0x250
[  298.697614][ T6496]  ? apply_workqueue_attrs+0x180/0x180
[  298.703096][ T6496]  gfs2_fill_super+0x1323/0x1f80
[  298.708066][ T6496]  ? gfs2_reconfigure+0xb10/0xb10
[  298.713116][ T6496]  ? setup_bdev_super+0x56b/0x660
[  298.718153][ T6496]  get_tree_bdev+0x3e4/0x510
[  298.722760][ T6496]  ? end_current_label_crit_section+0x170/0x170
[  298.729017][ T6496]  ? gfs2_reconfigure+0xb10/0xb10
[  298.734059][ T6496]  ? setup_bdev_super+0x660/0x660
[  298.739104][ T6496]  gfs2_get_tree+0x51/0x1e0
[  298.743625][ T6496]  vfs_get_tree+0x8c/0x280
[  298.748056][ T6496]  do_new_mount+0x24b/0xa40
[  298.752577][ T6496]  __se_sys_mount+0x2da/0x3c0
[  298.757271][ T6496]  ? __x64_sys_mount+0xc0/0xc0
[  298.762071][ T6496]  ? lockdep_hardirqs_on+0x98/0x150
[  298.767288][ T6496]  ? __x64_sys_mount+0x20/0xc0
[  298.772076][ T6496]  do_syscall_64+0x55/0xb0
[  298.776497][ T6496]  ? clear_bhb_loop+0x40/0x90
[  298.781198][ T6496]  ? clear_bhb_loop+0x40/0x90
[  298.785887][ T6496]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  298.791908][ T6496] RIP: 0033:0x7f765ab90eea
[  298.796357][ T6496] 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
[  298.815989][ T6496] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  298.824420][ T6496] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  298.832405][ T6496] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  298.840383][ T6496] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  298.848364][ T6496] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  298.856376][ T6496] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  298.864386][ T6496]  </TASK>
[  298.870875][ T6496] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  298.885136][ T6496] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  298.958674][ T5866] Bluetooth: hci1: command 0x0406 tx timeout
[  299.287304][ T6499] loop1: detected capacity change from 0 to 32768
[  299.302642][ T6499] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  299.310944][ T6499] CPU: 0 PID: 6499 Comm: syz.1.192 Not tainted syzkaller #0
[  299.318276][ T6499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  299.328368][ T6499] Call Trace:
[  299.331686][ T6499]  <TASK>
[  299.334656][ T6499]  dump_stack_lvl+0x16c/0x230
[  299.339385][ T6499]  ? show_regs_print_info+0x20/0x20
[  299.344629][ T6499]  ? load_image+0x3b0/0x3b0
[  299.349195][ T6499]  sysfs_create_dir_ns+0x256/0x280
[  299.354360][ T6499]  ? sysfs_warn_dup+0xa0/0xa0
[  299.359163][ T6499]  ? do_raw_spin_unlock+0x121/0x230
[  299.364410][ T6499]  kobject_add_internal+0x6b8/0xc70
[  299.369676][ T6499]  kobject_init_and_add+0x126/0x190
[  299.374914][ T6499]  ? lockdep_softirqs_off+0x430/0x430
[  299.380338][ T6499]  ? kobject_add+0x220/0x220
[  299.385026][ T6499]  ? __init_swait_queue_head+0xa9/0x150
[  299.390623][ T6499]  gfs2_sys_fs_add+0x238/0x470
[  299.395434][ T6499]  ? gfs2_recover_set+0x250/0x250
[  299.400511][ T6499]  ? apply_workqueue_attrs+0x180/0x180
[  299.406027][ T6499]  gfs2_fill_super+0x1323/0x1f80
[  299.411025][ T6499]  ? gfs2_reconfigure+0xb10/0xb10
[  299.416117][ T6499]  ? setup_bdev_super+0x56b/0x660
[  299.421178][ T6499]  get_tree_bdev+0x3e4/0x510
[  299.425805][ T6499]  ? end_current_label_crit_section+0x170/0x170
[  299.432096][ T6499]  ? gfs2_reconfigure+0xb10/0xb10
[  299.437156][ T6499]  ? setup_bdev_super+0x660/0x660
[  299.442212][ T6499]  gfs2_get_tree+0x51/0x1e0
[  299.446743][ T6499]  vfs_get_tree+0x8c/0x280
[  299.451168][ T6499]  do_new_mount+0x24b/0xa40
[  299.455698][ T6499]  __se_sys_mount+0x2da/0x3c0
[  299.460394][ T6499]  ? __x64_sys_mount+0xc0/0xc0
[  299.465164][ T6499]  ? lockdep_hardirqs_on+0x98/0x150
[  299.470372][ T6499]  ? __x64_sys_mount+0x20/0xc0
[  299.475141][ T6499]  do_syscall_64+0x55/0xb0
[  299.479573][ T6499]  ? clear_bhb_loop+0x40/0x90
[  299.484249][ T6499]  ? clear_bhb_loop+0x40/0x90
[  299.488925][ T6499]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  299.494821][ T6499] RIP: 0033:0x7f765ab90eea
[  299.499237][ T6499] 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
[  299.518881][ T6499] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  299.527317][ T6499] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  299.535656][ T6499] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  299.543634][ T6499] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  299.551609][ T6499] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  299.559596][ T6499] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  299.567578][ T6499]  </TASK>
[  299.572226][ T6499] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  299.586571][ T6499] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  299.998636][ T6502] loop1: detected capacity change from 0 to 32768
[  300.017304][ T6502] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  300.025111][ T6502] CPU: 0 PID: 6502 Comm: syz.1.193 Not tainted syzkaller #0
[  300.032494][ T6502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  300.042595][ T6502] Call Trace:
[  300.045921][ T6502]  <TASK>
[  300.048884][ T6502]  dump_stack_lvl+0x16c/0x230
[  300.053626][ T6502]  ? show_regs_print_info+0x20/0x20
[  300.058880][ T6502]  ? load_image+0x3b0/0x3b0
[  300.063446][ T6502]  sysfs_create_dir_ns+0x256/0x280
[  300.068637][ T6502]  ? sysfs_warn_dup+0xa0/0xa0
[  300.073381][ T6502]  ? do_raw_spin_unlock+0x121/0x230
[  300.078637][ T6502]  kobject_add_internal+0x6b8/0xc70
[  300.083897][ T6502]  kobject_init_and_add+0x126/0x190
[  300.089166][ T6502]  ? lockdep_softirqs_off+0x430/0x430
[  300.094590][ T6502]  ? kobject_add+0x220/0x220
[  300.099235][ T6502]  ? __init_swait_queue_head+0xa9/0x150
[  300.104824][ T6502]  gfs2_sys_fs_add+0x238/0x470
[  300.109632][ T6502]  ? gfs2_recover_set+0x250/0x250
[  300.114709][ T6502]  ? apply_workqueue_attrs+0x180/0x180
[  300.120221][ T6502]  gfs2_fill_super+0x1323/0x1f80
[  300.125220][ T6502]  ? gfs2_reconfigure+0xb10/0xb10
[  300.130305][ T6502]  ? setup_bdev_super+0x56b/0x660
[  300.135368][ T6502]  get_tree_bdev+0x3e4/0x510
[  300.140064][ T6502]  ? end_current_label_crit_section+0x170/0x170
[  300.146320][ T6502]  ? gfs2_reconfigure+0xb10/0xb10
[  300.151363][ T6502]  ? setup_bdev_super+0x660/0x660
[  300.156408][ T6502]  gfs2_get_tree+0x51/0x1e0
[  300.160935][ T6502]  vfs_get_tree+0x8c/0x280
[  300.165366][ T6502]  do_new_mount+0x24b/0xa40
[  300.169890][ T6502]  __se_sys_mount+0x2da/0x3c0
[  300.174584][ T6502]  ? __x64_sys_mount+0xc0/0xc0
[  300.179363][ T6502]  ? lockdep_hardirqs_on+0x98/0x150
[  300.184572][ T6502]  ? __x64_sys_mount+0x20/0xc0
[  300.189361][ T6502]  do_syscall_64+0x55/0xb0
[  300.193786][ T6502]  ? clear_bhb_loop+0x40/0x90
[  300.198481][ T6502]  ? clear_bhb_loop+0x40/0x90
[  300.203170][ T6502]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  300.209078][ T6502] RIP: 0033:0x7f765ab90eea
[  300.213508][ T6502] 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
[  300.233306][ T6502] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  300.241822][ T6502] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  300.249804][ T6502] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  300.257814][ T6502] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  300.265797][ T6502] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  300.273796][ T6502] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  300.281794][ T6502]  </TASK>
[  300.287592][ T6502] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  300.305546][ T6502] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  300.710476][ T6505] loop1: detected capacity change from 0 to 32768
[  300.733245][ T6505] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  300.741493][ T6505] CPU: 1 PID: 6505 Comm: syz.1.194 Not tainted syzkaller #0
[  300.748833][ T6505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  300.758973][ T6505] Call Trace:
[  300.762289][ T6505]  <TASK>
[  300.765259][ T6505]  dump_stack_lvl+0x16c/0x230
[  300.769994][ T6505]  ? show_regs_print_info+0x20/0x20
[  300.775243][ T6505]  ? load_image+0x3b0/0x3b0
[  300.779899][ T6505]  sysfs_create_dir_ns+0x256/0x280
[  300.785065][ T6505]  ? sysfs_warn_dup+0xa0/0xa0
[  300.789814][ T6505]  ? do_raw_spin_unlock+0x121/0x230
[  300.795073][ T6505]  kobject_add_internal+0x6b8/0xc70
[  300.800315][ T6505]  kobject_init_and_add+0x126/0x190
[  300.805531][ T6505]  ? lockdep_softirqs_off+0x430/0x430
[  300.810925][ T6505]  ? kobject_add+0x220/0x220
[  300.815534][ T6505]  ? __init_swait_queue_head+0xa9/0x150
[  300.821092][ T6505]  gfs2_sys_fs_add+0x238/0x470
[  300.825869][ T6505]  ? gfs2_recover_set+0x250/0x250
[  300.830925][ T6505]  ? apply_workqueue_attrs+0x180/0x180
[  300.836407][ T6505]  gfs2_fill_super+0x1323/0x1f80
[  300.841373][ T6505]  ? gfs2_reconfigure+0xb10/0xb10
[  300.846423][ T6505]  ? setup_bdev_super+0x56b/0x660
[  300.851459][ T6505]  get_tree_bdev+0x3e4/0x510
[  300.856058][ T6505]  ? end_current_label_crit_section+0x170/0x170
[  300.862310][ T6505]  ? gfs2_reconfigure+0xb10/0xb10
[  300.867349][ T6505]  ? setup_bdev_super+0x660/0x660
[  300.872389][ T6505]  gfs2_get_tree+0x51/0x1e0
[  300.876918][ T6505]  vfs_get_tree+0x8c/0x280
[  300.881347][ T6505]  do_new_mount+0x24b/0xa40
[  300.885864][ T6505]  __se_sys_mount+0x2da/0x3c0
[  300.890557][ T6505]  ? __x64_sys_mount+0xc0/0xc0
[  300.895332][ T6505]  ? lockdep_hardirqs_on+0x98/0x150
[  300.900550][ T6505]  ? __x64_sys_mount+0x20/0xc0
[  300.905327][ T6505]  do_syscall_64+0x55/0xb0
[  300.909750][ T6505]  ? clear_bhb_loop+0x40/0x90
[  300.914611][ T6505]  ? clear_bhb_loop+0x40/0x90
[  300.919302][ T6505]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  300.925206][ T6505] RIP: 0033:0x7f765ab90eea
[  300.929634][ T6505] 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
[  300.949256][ T6505] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  300.957681][ T6505] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  300.965663][ T6505] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  300.973641][ T6505] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  300.981619][ T6505] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  300.989598][ T6505] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  300.997598][ T6505]  </TASK>
[  301.005963][ T6505] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  301.020490][ T6505] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  301.411748][ T6508] loop1: detected capacity change from 0 to 32768
[  301.427392][ T6508] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  301.434840][ T6508] CPU: 1 PID: 6508 Comm: syz.1.195 Not tainted syzkaller #0
[  301.442204][ T6508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  301.452304][ T6508] Call Trace:
[  301.455649][ T6508]  <TASK>
[  301.458629][ T6508]  dump_stack_lvl+0x16c/0x230
[  301.463367][ T6508]  ? show_regs_print_info+0x20/0x20
[  301.468617][ T6508]  ? load_image+0x3b0/0x3b0
[  301.473177][ T6508]  sysfs_create_dir_ns+0x256/0x280
[  301.478337][ T6508]  ? sysfs_warn_dup+0xa0/0xa0
[  301.483066][ T6508]  ? do_raw_spin_unlock+0x121/0x230
[  301.488314][ T6508]  kobject_add_internal+0x6b8/0xc70
[  301.493567][ T6508]  kobject_init_and_add+0x126/0x190
[  301.498786][ T6508]  ? lockdep_softirqs_off+0x430/0x430
[  301.504174][ T6508]  ? kobject_add+0x220/0x220
[  301.508781][ T6508]  ? __init_swait_queue_head+0xa9/0x150
[  301.514344][ T6508]  gfs2_sys_fs_add+0x238/0x470
[  301.519140][ T6508]  ? gfs2_recover_set+0x250/0x250
[  301.524195][ T6508]  ? apply_workqueue_attrs+0x180/0x180
[  301.529680][ T6508]  gfs2_fill_super+0x1323/0x1f80
[  301.534656][ T6508]  ? gfs2_reconfigure+0xb10/0xb10
[  301.539722][ T6508]  ? setup_bdev_super+0x56b/0x660
[  301.544769][ T6508]  get_tree_bdev+0x3e4/0x510
[  301.549371][ T6508]  ? end_current_label_crit_section+0x170/0x170
[  301.555625][ T6508]  ? gfs2_reconfigure+0xb10/0xb10
[  301.560670][ T6508]  ? setup_bdev_super+0x660/0x660
[  301.565709][ T6508]  gfs2_get_tree+0x51/0x1e0
[  301.570249][ T6508]  vfs_get_tree+0x8c/0x280
[  301.574696][ T6508]  do_new_mount+0x24b/0xa40
[  301.579264][ T6508]  __se_sys_mount+0x2da/0x3c0
[  301.583956][ T6508]  ? __x64_sys_mount+0xc0/0xc0
[  301.588734][ T6508]  ? lockdep_hardirqs_on+0x98/0x150
[  301.593942][ T6508]  ? __x64_sys_mount+0x20/0xc0
[  301.598717][ T6508]  do_syscall_64+0x55/0xb0
[  301.603140][ T6508]  ? clear_bhb_loop+0x40/0x90
[  301.607829][ T6508]  ? clear_bhb_loop+0x40/0x90
[  301.612531][ T6508]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  301.618436][ T6508] RIP: 0033:0x7f765ab90eea
[  301.622863][ T6508] 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
[  301.642510][ T6508] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  301.650939][ T6508] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  301.658932][ T6508] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  301.666946][ T6508] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  301.674945][ T6508] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  301.682955][ T6508] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  301.690953][ T6508]  </TASK>
[  301.698322][ T6508] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  301.712836][ T6508] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  302.109979][ T6511] loop1: detected capacity change from 0 to 32768
[  302.120308][ T6511] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  302.127892][ T6511] CPU: 1 PID: 6511 Comm: syz.1.196 Not tainted syzkaller #0
[  302.135235][ T6511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  302.145330][ T6511] Call Trace:
[  302.148649][ T6511]  <TASK>
[  302.151619][ T6511]  dump_stack_lvl+0x16c/0x230
[  302.156358][ T6511]  ? show_regs_print_info+0x20/0x20
[  302.161775][ T6511]  ? load_image+0x3b0/0x3b0
[  302.166335][ T6511]  sysfs_create_dir_ns+0x256/0x280
[  302.171498][ T6511]  ? sysfs_warn_dup+0xa0/0xa0
[  302.176225][ T6511]  ? do_raw_spin_unlock+0x121/0x230
[  302.181480][ T6511]  kobject_add_internal+0x6b8/0xc70
[  302.186722][ T6511]  kobject_init_and_add+0x126/0x190
[  302.191943][ T6511]  ? lockdep_softirqs_off+0x430/0x430
[  302.197336][ T6511]  ? kobject_add+0x220/0x220
[  302.201949][ T6511]  ? __init_swait_queue_head+0xa9/0x150
[  302.207517][ T6511]  gfs2_sys_fs_add+0x238/0x470
[  302.212301][ T6511]  ? gfs2_recover_set+0x250/0x250
[  302.217350][ T6511]  ? apply_workqueue_attrs+0x180/0x180
[  302.222832][ T6511]  gfs2_fill_super+0x1323/0x1f80
[  302.227800][ T6511]  ? gfs2_reconfigure+0xb10/0xb10
[  302.232851][ T6511]  ? setup_bdev_super+0x56b/0x660
[  302.237892][ T6511]  get_tree_bdev+0x3e4/0x510
[  302.242523][ T6511]  ? end_current_label_crit_section+0x170/0x170
[  302.248777][ T6511]  ? gfs2_reconfigure+0xb10/0xb10
[  302.253822][ T6511]  ? setup_bdev_super+0x660/0x660
[  302.258875][ T6511]  gfs2_get_tree+0x51/0x1e0
[  302.263402][ T6511]  vfs_get_tree+0x8c/0x280
[  302.267843][ T6511]  do_new_mount+0x24b/0xa40
[  302.272384][ T6511]  __se_sys_mount+0x2da/0x3c0
[  302.277093][ T6511]  ? __x64_sys_mount+0xc0/0xc0
[  302.281885][ T6511]  ? lockdep_hardirqs_on+0x98/0x150
[  302.287103][ T6511]  ? __x64_sys_mount+0x20/0xc0
[  302.291877][ T6511]  do_syscall_64+0x55/0xb0
[  302.296393][ T6511]  ? clear_bhb_loop+0x40/0x90
[  302.301084][ T6511]  ? clear_bhb_loop+0x40/0x90
[  302.305773][ T6511]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  302.311682][ T6511] RIP: 0033:0x7f765ab90eea
[  302.316107][ T6511] 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
[  302.335727][ T6511] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  302.344193][ T6511] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  302.352177][ T6511] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  302.360161][ T6511] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  302.368141][ T6511] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  302.376131][ T6511] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  302.384128][ T6511]  </TASK>
[  302.389982][ T6511] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  302.417118][ T6511] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  302.874324][ T6516] loop1: detected capacity change from 0 to 32768
[  302.891210][ T6516] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  302.899362][ T6516] CPU: 0 PID: 6516 Comm: syz.1.197 Not tainted syzkaller #0
[  302.906705][ T6516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  302.916809][ T6516] Call Trace:
[  302.920139][ T6516]  <TASK>
[  302.923113][ T6516]  dump_stack_lvl+0x16c/0x230
[  302.927945][ T6516]  ? show_regs_print_info+0x20/0x20
[  302.933202][ T6516]  ? load_image+0x3b0/0x3b0
[  302.937762][ T6516]  sysfs_create_dir_ns+0x256/0x280
[  302.942919][ T6516]  ? sysfs_warn_dup+0xa0/0xa0
[  302.947642][ T6516]  ? do_raw_spin_unlock+0x121/0x230
[  302.952894][ T6516]  kobject_add_internal+0x6b8/0xc70
[  302.958145][ T6516]  kobject_init_and_add+0x126/0x190
[  302.963381][ T6516]  ? lockdep_softirqs_off+0x430/0x430
[  302.968791][ T6516]  ? kobject_add+0x220/0x220
[  302.973429][ T6516]  ? __init_swait_queue_head+0xa9/0x150
[  302.979021][ T6516]  gfs2_sys_fs_add+0x238/0x470
[  302.983832][ T6516]  ? gfs2_recover_set+0x250/0x250
[  302.988907][ T6516]  ? apply_workqueue_attrs+0x180/0x180
[  302.994424][ T6516]  gfs2_fill_super+0x1323/0x1f80
[  302.999424][ T6516]  ? gfs2_reconfigure+0xb10/0xb10
[  303.004502][ T6516]  ? setup_bdev_super+0x56b/0x660
[  303.009564][ T6516]  get_tree_bdev+0x3e4/0x510
[  303.014288][ T6516]  ? end_current_label_crit_section+0x170/0x170
[  303.020575][ T6516]  ? gfs2_reconfigure+0xb10/0xb10
[  303.025609][ T6516]  ? setup_bdev_super+0x660/0x660
[  303.030651][ T6516]  gfs2_get_tree+0x51/0x1e0
[  303.035181][ T6516]  vfs_get_tree+0x8c/0x280
[  303.039607][ T6516]  do_new_mount+0x24b/0xa40
[  303.044118][ T6516]  __se_sys_mount+0x2da/0x3c0
[  303.048805][ T6516]  ? __x64_sys_mount+0xc0/0xc0
[  303.053567][ T6516]  ? lockdep_hardirqs_on+0x98/0x150
[  303.058765][ T6516]  ? __x64_sys_mount+0x20/0xc0
[  303.063527][ T6516]  do_syscall_64+0x55/0xb0
[  303.067949][ T6516]  ? clear_bhb_loop+0x40/0x90
[  303.072632][ T6516]  ? clear_bhb_loop+0x40/0x90
[  303.077311][ T6516]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  303.083201][ T6516] RIP: 0033:0x7f765ab90eea
[  303.087614][ T6516] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  303.107231][ T6516] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  303.115672][ T6516] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  303.123646][ T6516] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  303.131616][ T6516] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  303.139592][ T6516] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  303.147561][ T6516] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  303.155539][ T6516]  </TASK>
[  303.159335][ T6516] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  303.176348][ T6516] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/02 05:39:34 executed programs: 183
[  303.599957][ T6521] loop1: detected capacity change from 0 to 32768
[  303.615186][ T6521] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  303.622732][ T6521] CPU: 1 PID: 6521 Comm: syz.1.198 Not tainted syzkaller #0
[  303.630057][ T6521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  303.640131][ T6521] Call Trace:
[  303.643420][ T6521]  <TASK>
[  303.646361][ T6521]  dump_stack_lvl+0x16c/0x230
[  303.651064][ T6521]  ? show_regs_print_info+0x20/0x20
[  303.656281][ T6521]  ? load_image+0x3b0/0x3b0
[  303.660808][ T6521]  sysfs_create_dir_ns+0x256/0x280
[  303.665942][ T6521]  ? sysfs_warn_dup+0xa0/0xa0
[  303.670636][ T6521]  ? do_raw_spin_unlock+0x121/0x230
[  303.675855][ T6521]  kobject_add_internal+0x6b8/0xc70
[  303.681253][ T6521]  kobject_init_and_add+0x126/0x190
[  303.686468][ T6521]  ? lockdep_softirqs_off+0x430/0x430
[  303.691858][ T6521]  ? kobject_add+0x220/0x220
[  303.696466][ T6521]  ? __init_swait_queue_head+0xa9/0x150
[  303.702029][ T6521]  gfs2_sys_fs_add+0x238/0x470
[  303.706810][ T6521]  ? gfs2_recover_set+0x250/0x250
[  303.711856][ T6521]  ? apply_workqueue_attrs+0x180/0x180
[  303.717342][ T6521]  gfs2_fill_super+0x1323/0x1f80
[  303.722309][ T6521]  ? gfs2_reconfigure+0xb10/0xb10
[  303.727362][ T6521]  ? setup_bdev_super+0x56b/0x660
[  303.732402][ T6521]  get_tree_bdev+0x3e4/0x510
[  303.737005][ T6521]  ? end_current_label_crit_section+0x170/0x170
[  303.743260][ T6521]  ? gfs2_reconfigure+0xb10/0xb10
[  303.748299][ T6521]  ? setup_bdev_super+0x660/0x660
[  303.753345][ T6521]  gfs2_get_tree+0x51/0x1e0
[  303.757867][ T6521]  vfs_get_tree+0x8c/0x280
[  303.762297][ T6521]  do_new_mount+0x24b/0xa40
[  303.766814][ T6521]  __se_sys_mount+0x2da/0x3c0
[  303.771505][ T6521]  ? __x64_sys_mount+0xc0/0xc0
[  303.776280][ T6521]  ? lockdep_hardirqs_on+0x98/0x150
[  303.781493][ T6521]  ? __x64_sys_mount+0x20/0xc0
[  303.786269][ T6521]  do_syscall_64+0x55/0xb0
[  303.790695][ T6521]  ? clear_bhb_loop+0x40/0x90
[  303.795384][ T6521]  ? clear_bhb_loop+0x40/0x90
[  303.800073][ T6521]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  303.805976][ T6521] RIP: 0033:0x7f765ab90eea
[  303.810402][ T6521] 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
[  303.830019][ T6521] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  303.838451][ T6521] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  303.846453][ T6521] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  303.854469][ T6521] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  303.862462][ T6521] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  303.870451][ T6521] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  303.878455][ T6521]  </TASK>
[  303.886227][ T6521] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  303.902817][ T6521] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  304.310426][ T6524] loop1: detected capacity change from 0 to 32768
[  304.320240][ T6524] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  304.328894][ T6524] CPU: 0 PID: 6524 Comm: syz.1.199 Not tainted syzkaller #0
[  304.336232][ T6524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  304.346404][ T6524] Call Trace:
[  304.349696][ T6524]  <TASK>
[  304.352640][ T6524]  dump_stack_lvl+0x16c/0x230
[  304.357341][ T6524]  ? show_regs_print_info+0x20/0x20
[  304.362556][ T6524]  ? load_image+0x3b0/0x3b0
[  304.367091][ T6524]  sysfs_create_dir_ns+0x256/0x280
[  304.372228][ T6524]  ? sysfs_warn_dup+0xa0/0xa0
[  304.376930][ T6524]  ? do_raw_spin_unlock+0x121/0x230
[  304.382151][ T6524]  kobject_add_internal+0x6b8/0xc70
[  304.387367][ T6524]  kobject_init_and_add+0x126/0x190
[  304.392577][ T6524]  ? lockdep_softirqs_off+0x430/0x430
[  304.397964][ T6524]  ? kobject_add+0x220/0x220
[  304.402576][ T6524]  ? __init_swait_queue_head+0xa9/0x150
[  304.408151][ T6524]  gfs2_sys_fs_add+0x238/0x470
[  304.412928][ T6524]  ? gfs2_recover_set+0x250/0x250
[  304.417979][ T6524]  ? apply_workqueue_attrs+0x180/0x180
[  304.423468][ T6524]  gfs2_fill_super+0x1323/0x1f80
[  304.428438][ T6524]  ? gfs2_reconfigure+0xb10/0xb10
[  304.433489][ T6524]  ? setup_bdev_super+0x56b/0x660
[  304.438532][ T6524]  get_tree_bdev+0x3e4/0x510
[  304.443137][ T6524]  ? end_current_label_crit_section+0x170/0x170
[  304.449391][ T6524]  ? gfs2_reconfigure+0xb10/0xb10
[  304.454427][ T6524]  ? setup_bdev_super+0x660/0x660
[  304.459468][ T6524]  gfs2_get_tree+0x51/0x1e0
[  304.463988][ T6524]  vfs_get_tree+0x8c/0x280
[  304.468416][ T6524]  do_new_mount+0x24b/0xa40
[  304.472937][ T6524]  __se_sys_mount+0x2da/0x3c0
[  304.477629][ T6524]  ? __x64_sys_mount+0xc0/0xc0
[  304.482409][ T6524]  ? lockdep_hardirqs_on+0x98/0x150
[  304.487619][ T6524]  ? __x64_sys_mount+0x20/0xc0
[  304.492394][ T6524]  do_syscall_64+0x55/0xb0
[  304.496815][ T6524]  ? clear_bhb_loop+0x40/0x90
[  304.501510][ T6524]  ? clear_bhb_loop+0x40/0x90
[  304.506198][ T6524]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  304.512107][ T6524] RIP: 0033:0x7f765ab90eea
[  304.516539][ T6524] 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
[  304.536244][ T6524] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  304.544675][ T6524] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  304.552661][ T6524] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  304.560644][ T6524] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  304.568626][ T6524] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  304.576605][ T6524] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  304.584601][ T6524]  </TASK>
[  304.629271][ T6524] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  304.645714][ T6524] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  305.056573][ T6529] loop1: detected capacity change from 0 to 32768
[  305.078110][ T6529] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  305.085589][ T6529] CPU: 0 PID: 6529 Comm: syz.1.200 Not tainted syzkaller #0
[  305.092918][ T6529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  305.103011][ T6529] Call Trace:
[  305.106327][ T6529]  <TASK>
[  305.109295][ T6529]  dump_stack_lvl+0x16c/0x230
[  305.114022][ T6529]  ? show_regs_print_info+0x20/0x20
[  305.119264][ T6529]  ? load_image+0x3b0/0x3b0
[  305.123824][ T6529]  sysfs_create_dir_ns+0x256/0x280
[  305.128987][ T6529]  ? sysfs_warn_dup+0xa0/0xa0
[  305.133712][ T6529]  ? do_raw_spin_unlock+0x121/0x230
[  305.138965][ T6529]  kobject_add_internal+0x6b8/0xc70
[  305.144305][ T6529]  kobject_init_and_add+0x126/0x190
[  305.149551][ T6529]  ? lockdep_softirqs_off+0x430/0x430
[  305.154965][ T6529]  ? kobject_add+0x220/0x220
[  305.159607][ T6529]  ? __init_swait_queue_head+0xa9/0x150
[  305.165198][ T6529]  gfs2_sys_fs_add+0x238/0x470
[  305.170006][ T6529]  ? gfs2_recover_set+0x250/0x250
[  305.175077][ T6529]  ? apply_workqueue_attrs+0x180/0x180
[  305.180599][ T6529]  gfs2_fill_super+0x1323/0x1f80
[  305.185597][ T6529]  ? gfs2_reconfigure+0xb10/0xb10
[  305.190677][ T6529]  ? setup_bdev_super+0x56b/0x660
[  305.195730][ T6529]  get_tree_bdev+0x3e4/0x510
[  305.200322][ T6529]  ? end_current_label_crit_section+0x170/0x170
[  305.206562][ T6529]  ? gfs2_reconfigure+0xb10/0xb10
[  305.211585][ T6529]  ? setup_bdev_super+0x660/0x660
[  305.216609][ T6529]  gfs2_get_tree+0x51/0x1e0
[  305.221117][ T6529]  vfs_get_tree+0x8c/0x280
[  305.225532][ T6529]  do_new_mount+0x24b/0xa40
[  305.230044][ T6529]  __se_sys_mount+0x2da/0x3c0
[  305.234722][ T6529]  ? __x64_sys_mount+0xc0/0xc0
[  305.239484][ T6529]  ? lockdep_hardirqs_on+0x98/0x150
[  305.244682][ T6529]  ? __x64_sys_mount+0x20/0xc0
[  305.249445][ T6529]  do_syscall_64+0x55/0xb0
[  305.253854][ T6529]  ? clear_bhb_loop+0x40/0x90
[  305.258530][ T6529]  ? clear_bhb_loop+0x40/0x90
[  305.263207][ T6529]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  305.269105][ T6529] RIP: 0033:0x7f765ab90eea
[  305.273518][ T6529] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  305.293128][ T6529] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  305.301543][ T6529] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  305.309514][ T6529] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  305.317487][ T6529] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  305.325458][ T6529] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  305.333429][ T6529] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  305.341429][ T6529]  </TASK>
[  305.345331][ T6529] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  305.359385][ T6529] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  305.782220][ T6532] loop1: detected capacity change from 0 to 32768
[  305.796699][ T6532] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  305.807051][ T6532] CPU: 1 PID: 6532 Comm: syz.1.201 Not tainted syzkaller #0
[  305.814392][ T6532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  305.824485][ T6532] Call Trace:
[  305.827802][ T6532]  <TASK>
[  305.830791][ T6532]  dump_stack_lvl+0x16c/0x230
[  305.835525][ T6532]  ? show_regs_print_info+0x20/0x20
[  305.840777][ T6532]  ? load_image+0x3b0/0x3b0
[  305.845336][ T6532]  sysfs_create_dir_ns+0x256/0x280
[  305.850497][ T6532]  ? sysfs_warn_dup+0xa0/0xa0
[  305.855225][ T6532]  ? do_raw_spin_unlock+0x121/0x230
[  305.860471][ T6532]  kobject_add_internal+0x6b8/0xc70
[  305.865717][ T6532]  kobject_init_and_add+0x126/0x190
[  305.870965][ T6532]  ? lockdep_softirqs_off+0x430/0x430
[  305.876357][ T6532]  ? kobject_add+0x220/0x220
[  305.880969][ T6532]  ? __init_swait_queue_head+0xa9/0x150
[  305.886528][ T6532]  gfs2_sys_fs_add+0x238/0x470
[  305.891311][ T6532]  ? gfs2_recover_set+0x250/0x250
[  305.896356][ T6532]  ? apply_workqueue_attrs+0x180/0x180
[  305.901842][ T6532]  gfs2_fill_super+0x1323/0x1f80
[  305.906820][ T6532]  ? gfs2_reconfigure+0xb10/0xb10
[  305.911872][ T6532]  ? setup_bdev_super+0x56b/0x660
[  305.916929][ T6532]  get_tree_bdev+0x3e4/0x510
[  305.921542][ T6532]  ? end_current_label_crit_section+0x170/0x170
[  305.927796][ T6532]  ? gfs2_reconfigure+0xb10/0xb10
[  305.932842][ T6532]  ? setup_bdev_super+0x660/0x660
[  305.937888][ T6532]  gfs2_get_tree+0x51/0x1e0
[  305.942418][ T6532]  vfs_get_tree+0x8c/0x280
[  305.946847][ T6532]  do_new_mount+0x24b/0xa40
[  305.951368][ T6532]  __se_sys_mount+0x2da/0x3c0
[  305.956060][ T6532]  ? __x64_sys_mount+0xc0/0xc0
[  305.960842][ T6532]  ? lockdep_hardirqs_on+0x98/0x150
[  305.966057][ T6532]  ? __x64_sys_mount+0x20/0xc0
[  305.970834][ T6532]  do_syscall_64+0x55/0xb0
[  305.975259][ T6532]  ? clear_bhb_loop+0x40/0x90
[  305.979949][ T6532]  ? clear_bhb_loop+0x40/0x90
[  305.984642][ T6532]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  305.990550][ T6532] RIP: 0033:0x7f765ab90eea
[  305.994977][ T6532] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  306.014595][ T6532] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  306.023047][ T6532] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  306.031058][ T6532] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  306.039054][ T6532] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  306.047043][ T6532] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  306.055025][ T6532] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  306.063026][ T6532]  </TASK>
[  306.067370][ T6532] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  306.082256][ T6532] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  306.474274][ T6535] loop1: detected capacity change from 0 to 32768
[  306.480969][   T28] INFO: task syz-executor:5898 blocked for more than 143 seconds.
[  306.494203][   T28]       Not tainted syzkaller #0
[  306.494501][ T6535] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  306.500052][   T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  306.512093][ T6535] CPU: 1 PID: 6535 Comm: syz.1.202 Not tainted syzkaller #0
[  306.517297][   T28] task:syz-executor    state:D
[  306.522576][ T6535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  306.522592][ T6535] Call Trace:
[  306.522601][ T6535]  <TASK>
[  306.527949][   T28]  stack:21736 pid:5898  ppid:1      flags:0x00004004
[  306.537405][ T6535]  dump_stack_lvl+0x16c/0x230
[  306.537446][ T6535]  ? show_regs_print_info+0x20/0x20
[  306.541142][   T28] Call Trace:
[  306.543661][ T6535]  ? load_image+0x3b0/0x3b0
[  306.550732][   T28]  <TASK>
[  306.555093][ T6535]  sysfs_create_dir_ns+0x256/0x280
[  306.573867][   T28]  __schedule+0x14d2/0x44d0
[  306.576139][ T6535]  ? sysfs_warn_dup+0xa0/0xa0
[  306.585462][ T6535]  ? do_raw_spin_unlock+0x121/0x230
[  306.590114][   T28]  ? asan.module_dtor+0x20/0x20
[  306.590696][ T6535]  kobject_add_internal+0x6b8/0xc70
[  306.595536][   T28]  ? lockdep_hardirqs_on_prepare+0x400/0x760
[  306.600730][ T6535]  kobject_init_and_add+0x126/0x190
[  306.600756][ T6535]  ? lockdep_softirqs_off+0x430/0x430
[  306.600782][ T6535]  ? kobject_add+0x220/0x220
[  306.616946][   T28]  ? lock_chain_count+0x20/0x20
[  306.617327][ T6535]  ? __init_swait_queue_head+0xa9/0x150
[  306.621956][   T28]  ? lockdep_hardirqs_on+0x98/0x150
[  306.626798][ T6535]  gfs2_sys_fs_add+0x238/0x470
[  306.642413][ T6535]  ? gfs2_recover_set+0x250/0x250
[  306.647487][ T6535]  ? apply_workqueue_attrs+0x180/0x180
[  306.647497][   T28]  ? _raw_spin_unlock_irqrestore+0xae/0x110
[  306.652976][ T6535]  gfs2_fill_super+0x1323/0x1f80
[  306.663835][ T6535]  ? gfs2_reconfigure+0xb10/0xb10
[  306.668934][ T6535]  ? setup_bdev_super+0x56b/0x660
[  306.669509][   T28]  ? _raw_spin_unlock+0x40/0x40
[  306.673984][ T6535]  get_tree_bdev+0x3e4/0x510
[  306.679896][   T28]  schedule+0xbd/0x170
[  306.683421][ T6535]  ? end_current_label_crit_section+0x170/0x170
[  306.687822][   T28]  bit_wait+0x11/0xd0
[  306.693714][ T6535]  ? gfs2_reconfigure+0xb10/0xb10
[  306.698016][   T28]  __wait_on_bit+0xac/0x2d0
[  306.702707][ T6535]  ? setup_bdev_super+0x660/0x660
[  306.712353][ T6535]  gfs2_get_tree+0x51/0x1e0
[  306.716913][ T6535]  vfs_get_tree+0x8c/0x280
[  306.717630][   T28]  ? out_of_line_wait_on_bit_lock+0x170/0x170
[  306.721349][ T6535]  do_new_mount+0x24b/0xa40
[  306.731956][ T6535]  __se_sys_mount+0x2da/0x3c0
[  306.736671][ T6535]  ? __x64_sys_mount+0xc0/0xc0
[  306.737395][   T28]  ? out_of_line_wait_on_bit_lock+0x170/0x170
[  306.741456][ T6535]  ? lockdep_hardirqs_on+0x98/0x150
[  306.752737][ T6535]  ? __x64_sys_mount+0x20/0xc0
[  306.757543][ T6535]  do_syscall_64+0x55/0xb0
[  306.762077][ T6535]  ? clear_bhb_loop+0x40/0x90
[  306.765339][   T28]  out_of_line_wait_on_bit+0x123/0x170
[  306.766772][ T6535]  ? clear_bhb_loop+0x40/0x90
[  306.776946][ T6535]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  306.782881][ T6535] RIP: 0033:0x7f765ab90eea
[  306.787004][   T28]  ? __wait_on_bit+0x2d0/0x2d0
[  306.787327][ T6535] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  306.792102][   T28]  ? bit_waitqueue+0x30/0x30
[  306.811712][ T6535] RSP: 002b:00007fffe56b3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  306.811742][ T6535] RAX: ffffffffffffffda RBX: 00007fffe56b3e40 RCX: 00007f765ab90eea
[  306.811756][ T6535] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fffe56b3e00
[  306.811769][ T6535] RBP: 0000200000000000 R08: 00007fffe56b3e40 R09: 0000000000208c1b
[  306.811783][ T6535] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  306.811798][ T6535] R13: 00007fffe56b3e00 R14: 0000000000012754 R15: 0000200000012900
[  306.828603][   T28]  gfs2_glock_wait+0xbd/0x2a0
[  306.832796][ T6535]  </TASK>
[  306.841144][   T28]  __gfs2_lookup+0x118/0x270
[  306.865090][ T6535] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  306.875077][   T28]  ? lockdep_softirqs_off+0x430/0x430
[  306.891249][ T6535] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  306.903991][   T28]  ? gfs2_atomic_open+0x220/0x220
[  306.909119][   T28]  ? __lookup_slow+0x281/0x3b0
[  306.913920][   T28]  ? __init_waitqueue_head+0xa9/0x150
[  306.919493][   T28]  __lookup_slow+0x281/0x3b0
[  306.924122][   T28]  ? lookup_one_len+0x2c0/0x2c0
[  306.929041][   T28]  ? down_read+0x1ac/0x2e0
[  306.933512][   T28]  lookup_slow+0x53/0x70
[  306.937890][   T28]  walk_component+0x2be/0x3f0
[  306.942592][   T28]  ? path_lookupat+0x15c/0x440
[  306.947404][   T28]  path_lookupat+0x169/0x440
[  306.952028][   T28]  filename_lookup+0x1f4/0x510
[  306.956800][   T28]  ? __virt_addr_valid+0x18c/0x540
[  306.962024][   T28]  ? hashlen_string+0x110/0x110
[  306.966990][   T28]  ? strncpy_from_user+0x197/0x2e0
[  306.972130][   T28]  ? getname_flags+0x20a/0x500
[  306.977017][   T28]  user_path_at_empty+0x42/0x60
[  306.982129][   T28]  __x64_sys_umount+0xf5/0x170
[  306.986984][   T28]  ? path_umount+0xef0/0xef0
[  306.991610][   T28]  ? lockdep_hardirqs_on+0x98/0x150
[  306.996810][   T28]  do_syscall_64+0x55/0xb0
[  307.001356][   T28]  ? clear_bhb_loop+0x40/0x90
[  307.006063][   T28]  ? clear_bhb_loop+0x40/0x90
[  307.010810][   T28]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  307.016756][   T28] RIP: 0033:0x7f2b47190a77
[  307.021315][   T28] RSP: 002b:00007ffeeec912b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  307.029832][   T28] RAX: ffffffffffffffda RBX: 00007f2b47213d7d RCX: 00007f2b47190a77
[  307.037961][   T28] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffeeec91370
[  307.045959][   T28] RBP: 00007ffeeec91370 R08: 0000000000000000 R09: 0000000000000000
[  307.053977][   T28] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffeeec92460
[  307.062016][   T28] R13: 00007f2b47213d7d R14: 000055555baef4a8 R15: 00007ffeeec94620
[  307.070076][   T28]  </TASK>
[  307.073144][   T28] 
[  307.073144][   T28] Showing all locks held in the system:
[  307.081277][   T28] 1 lock held by khungtaskd/28:
[  307.086264][   T28]  #0: ffffffff8cd2ff20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x290
[  307.096362][   T28] 2 locks held by getty/5527:
[  307.101094][   T28]  #0: ffff88802ce9c0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  307.110892][   T28]  #1: ffffc9000326e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x425/0x1380
[  307.122827][   T28] 1 lock held by syz-executor/5898:
[  307.128122][   T28]  #0: ffff88805edf3720 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x46/0x70
[  307.138215][   T28] 
[  307.140574][   T28] =============================================
[  307.140574][   T28] 
[  307.149065][   T28] NMI backtrace for cpu 0
[  307.153404][   T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted syzkaller #0
[  307.160614][   T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  307.170699][   T28] Call Trace:
[  307.174004][   T28]  <TASK>
[  307.176980][   T28]  dump_stack_lvl+0x16c/0x230
[  307.181707][   T28]  ? preempt_count_add+0x91/0x1a0
[  307.186781][   T28]  ? show_regs_print_info+0x20/0x20
[  307.192044][   T28]  ? load_image+0x3b0/0x3b0
[  307.196607][   T28]  nmi_cpu_backtrace+0x39b/0x3d0
[  307.201582][   T28]  ? nmi_trigger_cpumask_backtrace+0x2f0/0x2f0
[  307.207768][   T28]  ? _printk+0xd0/0x110
[  307.211977][   T28]  ? load_image+0x3b0/0x3b0
[  307.216518][   T28]  ? load_image+0x3b0/0x3b0
[  307.221059][   T28]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  307.227173][   T28]  nmi_trigger_cpumask_backtrace+0x17a/0x2f0
[  307.233189][   T28]  watchdog+0xf41/0xf80
[  307.237384][   T28]  ? watchdog+0x1e1/0xf80
[  307.241758][   T28]  kthread+0x2fa/0x390
[  307.245868][   T28]  ? hungtask_pm_notify+0x90/0x90
[  307.250926][   T28]  ? kthread_blkcg+0xd0/0xd0
[  307.255552][   T28]  ret_from_fork+0x48/0x80
[  307.260008][   T28]  ? kthread_blkcg+0xd0/0xd0
[  307.264623][   T28]  ret_from_fork_asm+0x11/0x20
[  307.269416][   T28]  </TASK>
[  307.272807][   T28] Sending NMI from CPU 0 to CPUs 1:
[  307.278252][    C1] NMI backtrace for cpu 1
[  307.278263][    C1] CPU: 1 PID: 5124 Comm: klogd Not tainted syzkaller #0
[  307.278279][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  307.278287][    C1] RIP: 0010:__sanitizer_cov_trace_cmp8+0x10/0x80
[  307.278310][    C1] Code: 11 10 48 89 74 11 18 48 89 44 11 20 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 48 8b 04 24 65 48 8b 0d e0 22 7e 7e <65> 8b 15 e1 22 7e 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75
[  307.278322][    C1] RSP: 0018:ffffc90003287308 EFLAGS: 00000282
[  307.278336][    C1] RAX: ffffffff813aa506 RBX: ffffffff81000000 RCX: ffff88807da58000
[  307.278348][    C1] RDX: 0000000000000000 RSI: ffffffff81000000 RDI: ffffffff81321d67
[  307.278358][    C1] RBP: ffffc90003287498 R08: ffff88807da58000 R09: 0000000000000003
[  307.278369][    C1] R10: 0000000000000004 R11: 0000000000000000 R12: ffffc90003287448
[  307.278379][    C1] R13: dffffc0000000000 R14: ffffc9000328747d R15: ffffffff81321d67
[  307.278390][    C1] FS:  00007fc793378c80(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
[  307.278404][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  307.278415][    C1] CR2: 00007f765ac4295f CR3: 000000002e1b8000 CR4: 00000000003506e0
[  307.278430][    C1] Call Trace:
[  307.278436][    C1]  <TASK>
[  307.278441][    C1]  unwind_next_frame+0x1c6/0x2970
[  307.278468][    C1]  ? arch_stack_walk+0xf8/0x190
[  307.278484][    C1]  __unwind_start+0x66a/0x7e0
[  307.278506][    C1]  ? stack_trace_save+0xe0/0xe0
[  307.278522][    C1]  arch_stack_walk+0xf8/0x190
[  307.278538][    C1]  ? arch_stack_walk+0xf8/0x190
[  307.278553][    C1]  stack_trace_save+0x9c/0xe0
[  307.278568][    C1]  ? stack_trace_snprint+0xf0/0xf0
[  307.278587][    C1]  ? kasan_set_track+0x5f/0x70
[  307.278600][    C1]  ? kasan_set_track+0x4e/0x70
[  307.278615][    C1]  kasan_set_track+0x4e/0x70
[  307.278649][    C1]  ? __kmem_cache_alloc_node+0x13e/0x260
[  307.278669][    C1]  __kasan_kmalloc+0x8f/0xa0
[  307.278684][    C1]  ? __alloc_skb+0x138/0x2c0
[  307.278699][    C1]  __kmalloc_node_track_caller+0xb2/0x230
[  307.278717][    C1]  ? rcu_is_watching+0x15/0xb0
[  307.278734][    C1]  ? __alloc_skb+0x138/0x2c0
[  307.278747][    C1]  kmalloc_reserve+0x116/0x240
[  307.278764][    C1]  __alloc_skb+0x138/0x2c0
[  307.278779][    C1]  alloc_skb_with_frags+0xca/0x7c0
[  307.278799][    C1]  ? _raw_spin_unlock_irqrestore+0x86/0x110
[  307.278815][    C1]  ? lockdep_hardirqs_on+0x98/0x150
[  307.278832][    C1]  ? _raw_spin_unlock_irqrestore+0xae/0x110
[  307.278850][    C1]  sock_alloc_send_pskb+0x857/0x990
[  307.278877][    C1]  ? sock_kzfree_s+0x50/0x50
[  307.278895][    C1]  ? do_raw_spin_lock+0x121/0x2c0
[  307.278913][    C1]  ? __rwlock_init+0x150/0x150
[  307.278930][    C1]  ? do_raw_spin_unlock+0x121/0x230
[  307.278949][    C1]  unix_dgram_sendmsg+0x5a1/0x1720
[  307.278971][    C1]  ? aa_sk_perm+0x7fc/0x930
[  307.278992][    C1]  ? unix_dgram_poll+0x670/0x670
[  307.279005][    C1]  ? tomoyo_socket_sendmsg_permission+0x1e1/0x2f0
[  307.279028][    C1]  ? aa_sock_msg_perm+0x94/0x150
[  307.279044][    C1]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  307.279060][    C1]  ? security_socket_sendmsg+0x80/0xa0
[  307.279076][    C1]  __sys_sendto+0x46a/0x620
[  307.279090][    C1]  ? __lock_acquire+0x7c80/0x7c80
[  307.279116][    C1]  ? __ia32_sys_getpeername+0x90/0x90
[  307.279144][    C1]  ? lockdep_hardirqs_on_prepare+0x400/0x760
[  307.279161][    C1]  ? lock_chain_count+0x20/0x20
[  307.279179][    C1]  __x64_sys_sendto+0xde/0xf0
[  307.279195][    C1]  do_syscall_64+0x55/0xb0
[  307.279208][    C1]  ? clear_bhb_loop+0x40/0x90
[  307.279224][    C1]  ? clear_bhb_loop+0x40/0x90
[  307.279241][    C1]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  307.279257][    C1] RIP: 0033:0x7fc7934c8407
[  307.279270][    C1] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
[  307.279282][    C1] RSP: 002b:00007ffcbc693690 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[  307.279296][    C1] RAX: ffffffffffffffda RBX: 00007fc793378c80 RCX: 00007fc7934c8407
[  307.279307][    C1] RDX: 000000000000008b RSI: 00007ffcbc6937d0 RDI: 0000000000000003
[  307.279317][    C1] RBP: 00007ffcbc693c00 R08: 0000000000000000 R09: 0000000000000000
[  307.279326][    C1] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffcbc693c18
[  307.279336][    C1] R13: 00007ffcbc6937d0 R14: 0000000000000070 R15: 00007ffcbc6937d0
[  307.279353][    C1]  </TASK>
[  307.714455][   T28] Kernel panic - not syncing: hung_task: blocked tasks
[  307.721338][   T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted syzkaller #0
[  307.728544][   T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  307.738608][   T28] Call Trace:
[  307.741891][   T28]  <TASK>
[  307.744831][   T28]  dump_stack_lvl+0x16c/0x230
[  307.749535][   T28]  ? show_regs_print_info+0x20/0x20
[  307.754751][   T28]  ? load_image+0x3b0/0x3b0
[  307.759284][   T28]  panic+0x2c0/0x710
[  307.763189][   T28]  ? schedule_preempt_disabled+0x20/0x20
[  307.768841][   T28]  ? bpf_jit_dump+0xd0/0xd0
[  307.773355][   T28]  ? __irq_work_queue_local+0x13a/0x3b0
[  307.778913][   T28]  ? nmi_trigger_cpumask_backtrace+0x2a4/0x2f0
[  307.785075][   T28]  watchdog+0xf80/0xf80
[  307.789244][   T28]  ? watchdog+0x1e1/0xf80
[  307.793592][   T28]  kthread+0x2fa/0x390
[  307.797669][   T28]  ? hungtask_pm_notify+0x90/0x90
[  307.802708][   T28]  ? kthread_blkcg+0xd0/0xd0
[  307.807307][   T28]  ret_from_fork+0x48/0x80
[  307.811749][   T28]  ? kthread_blkcg+0xd0/0xd0
[  307.816374][   T28]  ret_from_fork_asm+0x11/0x20
[  307.821271][   T28]  </TASK>
[  307.824635][   T28] Kernel Offset: disabled
[  307.828963][   T28] Rebooting in 86400 seconds..