ection+0x170/0x170
[  298.032978][ T6414]  ? gfs2_reconfigure+0xb10/0xb10
[  298.038006][ T6414]  ? setup_bdev_super+0x660/0x660
[  298.043039][ T6414]  gfs2_get_tree+0x51/0x1e0
[  298.047551][ T6414]  vfs_get_tree+0x8c/0x280
[  298.051963][ T6414]  do_new_mount+0x24b/0xa40
[  298.056475][ T6414]  __se_sys_mount+0x2da/0x3c0
[  298.061157][ T6414]  ? __x64_sys_mount+0xc0/0xc0
[  298.065916][ T6414]  ? lockdep_hardirqs_on+0x98/0x150
[  298.071136][ T6414]  ? __x64_sys_mount+0x20/0xc0
[  298.075896][ T6414]  do_syscall_64+0x55/0xb0
[  298.080321][ T6414]  ? clear_bhb_loop+0x40/0x90
[  298.084997][ T6414]  ? clear_bhb_loop+0x40/0x90
[  298.089674][ T6414]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  298.095568][ T6414] RIP: 0033:0x7fc072190eea
[  298.100000][ T6414] 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
[  298.119603][ T6414] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  298.128021][ T6414] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  298.135991][ T6414] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  298.143963][ T6414] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  298.151928][ T6414] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  298.159893][ T6414] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  298.167892][ T6414]  </TASK>
[  298.172371][ T6414] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  298.186370][ T6414] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  298.587124][ T6417] loop1: detected capacity change from 0 to 32768
[  298.596845][ T6417] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  298.604287][ T6417] CPU: 1 PID: 6417 Comm: syz.1.163 Not tainted syzkaller #0
[  298.611608][ T6417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  298.621700][ T6417] Call Trace:
[  298.625010][ T6417]  <TASK>
[  298.627974][ T6417]  dump_stack_lvl+0x16c/0x230
[  298.632703][ T6417]  ? show_regs_print_info+0x20/0x20
[  298.637953][ T6417]  ? load_image+0x3b0/0x3b0
[  298.642512][ T6417]  sysfs_create_dir_ns+0x256/0x280
[  298.647675][ T6417]  ? sysfs_warn_dup+0xa0/0xa0
[  298.652395][ T6417]  ? do_raw_spin_unlock+0x121/0x230
[  298.657630][ T6417]  kobject_add_internal+0x6b8/0xc70
[  298.662850][ T6417]  kobject_init_and_add+0x126/0x190
[  298.668066][ T6417]  ? lockdep_softirqs_off+0x430/0x430
[  298.673454][ T6417]  ? kobject_add+0x220/0x220
[  298.678062][ T6417]  ? __init_swait_queue_head+0xa9/0x150
[  298.683623][ T6417]  gfs2_sys_fs_add+0x238/0x470
[  298.688403][ T6417]  ? gfs2_recover_set+0x250/0x250
[  298.693443][ T6417]  ? apply_workqueue_attrs+0x180/0x180
[  298.698961][ T6417]  gfs2_fill_super+0x1323/0x1f80
[  298.703938][ T6417]  ? gfs2_reconfigure+0xb10/0xb10
[  298.708987][ T6417]  ? setup_bdev_super+0x56b/0x660
[  298.714032][ T6417]  get_tree_bdev+0x3e4/0x510
[  298.718636][ T6417]  ? end_current_label_crit_section+0x170/0x170
[  298.724895][ T6417]  ? gfs2_reconfigure+0xb10/0xb10
[  298.730021][ T6417]  ? setup_bdev_super+0x660/0x660
[  298.735064][ T6417]  gfs2_get_tree+0x51/0x1e0
[  298.739587][ T6417]  vfs_get_tree+0x8c/0x280
[  298.744015][ T6417]  do_new_mount+0x24b/0xa40
[  298.748539][ T6417]  __se_sys_mount+0x2da/0x3c0
[  298.753235][ T6417]  ? __x64_sys_mount+0xc0/0xc0
[  298.758012][ T6417]  ? lockdep_hardirqs_on+0x98/0x150
[  298.763223][ T6417]  ? __x64_sys_mount+0x20/0xc0
[  298.767999][ T6417]  do_syscall_64+0x55/0xb0
[  298.772422][ T6417]  ? clear_bhb_loop+0x40/0x90
[  298.777112][ T6417]  ? clear_bhb_loop+0x40/0x90
[  298.781803][ T6417]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  298.787715][ T6417] RIP: 0033:0x7fc072190eea
[  298.792144][ T6417] 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
[  298.811760][ T6417] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  298.820188][ T6417] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  298.828173][ T6417] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  298.836154][ T6417] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  298.844140][ T6417] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  298.852119][ T6417] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  298.860119][ T6417]  </TASK>
[  298.871438][ T6417] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  298.887626][ T6417] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  299.285093][ T6420] loop1: detected capacity change from 0 to 32768
[  299.301196][ T6420] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  299.314786][ T6420] CPU: 1 PID: 6420 Comm: syz.1.164 Not tainted syzkaller #0
[  299.322147][ T6420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  299.332246][ T6420] Call Trace:
[  299.335563][ T6420]  <TASK>
[  299.338541][ T6420]  dump_stack_lvl+0x16c/0x230
[  299.343333][ T6420]  ? show_regs_print_info+0x20/0x20
[  299.348579][ T6420]  ? load_image+0x3b0/0x3b0
[  299.353140][ T6420]  sysfs_create_dir_ns+0x256/0x280
[  299.358301][ T6420]  ? sysfs_warn_dup+0xa0/0xa0
[  299.363023][ T6420]  ? do_raw_spin_unlock+0x121/0x230
[  299.368261][ T6420]  kobject_add_internal+0x6b8/0xc70
[  299.373489][ T6420]  kobject_init_and_add+0x126/0x190
[  299.378701][ T6420]  ? lockdep_softirqs_off+0x430/0x430
[  299.384094][ T6420]  ? kobject_add+0x220/0x220
[  299.388706][ T6420]  ? __init_swait_queue_head+0xa9/0x150
[  299.394272][ T6420]  gfs2_sys_fs_add+0x238/0x470
[  299.399061][ T6420]  ? gfs2_recover_set+0x250/0x250
[  299.404109][ T6420]  ? apply_workqueue_attrs+0x180/0x180
[  299.409596][ T6420]  gfs2_fill_super+0x1323/0x1f80
[  299.414563][ T6420]  ? gfs2_reconfigure+0xb10/0xb10
[  299.419614][ T6420]  ? setup_bdev_super+0x56b/0x660
[  299.424835][ T6420]  get_tree_bdev+0x3e4/0x510
[  299.429439][ T6420]  ? end_current_label_crit_section+0x170/0x170
[  299.435693][ T6420]  ? gfs2_reconfigure+0xb10/0xb10
[  299.440742][ T6420]  ? setup_bdev_super+0x660/0x660
[  299.445813][ T6420]  gfs2_get_tree+0x51/0x1e0
[  299.450355][ T6420]  vfs_get_tree+0x8c/0x280
[  299.454804][ T6420]  do_new_mount+0x24b/0xa40
[  299.459343][ T6420]  __se_sys_mount+0x2da/0x3c0
[  299.464080][ T6420]  ? __x64_sys_mount+0xc0/0xc0
[  299.468879][ T6420]  ? lockdep_hardirqs_on+0x98/0x150
[  299.474105][ T6420]  ? __x64_sys_mount+0x20/0xc0
[  299.478890][ T6420]  do_syscall_64+0x55/0xb0
[  299.483320][ T6420]  ? clear_bhb_loop+0x40/0x90
[  299.488014][ T6420]  ? clear_bhb_loop+0x40/0x90
[  299.492706][ T6420]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  299.498616][ T6420] RIP: 0033:0x7fc072190eea
[  299.503046][ T6420] 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
[  299.522666][ T6420] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  299.531095][ T6420] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  299.539078][ T6420] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  299.547059][ T6420] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  299.555039][ T6420] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  299.563031][ T6420] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  299.571028][ T6420]  </TASK>
[  299.582335][ T6420] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  299.600152][ T6420] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  299.999958][ T6423] loop1: detected capacity change from 0 to 32768
[  300.016539][ T6423] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  300.029090][ T6423] CPU: 1 PID: 6423 Comm: syz.1.165 Not tainted syzkaller #0
[  300.036433][ T6423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  300.046533][ T6423] Call Trace:
[  300.049847][ T6423]  <TASK>
[  300.052809][ T6423]  dump_stack_lvl+0x16c/0x230
[  300.057549][ T6423]  ? show_regs_print_info+0x20/0x20
[  300.062795][ T6423]  ? load_image+0x3b0/0x3b0
[  300.067352][ T6423]  sysfs_create_dir_ns+0x256/0x280
[  300.072532][ T6423]  ? sysfs_warn_dup+0xa0/0xa0
[  300.077251][ T6423]  ? do_raw_spin_unlock+0x121/0x230
[  300.082497][ T6423]  kobject_add_internal+0x6b8/0xc70
[  300.087757][ T6423]  kobject_init_and_add+0x126/0x190
[  300.093006][ T6423]  ? lockdep_softirqs_off+0x430/0x430
[  300.098418][ T6423]  ? kobject_add+0x220/0x220
[  300.103051][ T6423]  ? __init_swait_queue_head+0xa9/0x150
[  300.108651][ T6423]  gfs2_sys_fs_add+0x238/0x470
[  300.113460][ T6423]  ? gfs2_recover_set+0x250/0x250
[  300.118543][ T6423]  ? apply_workqueue_attrs+0x180/0x180
[  300.124056][ T6423]  gfs2_fill_super+0x1323/0x1f80
[  300.129060][ T6423]  ? gfs2_reconfigure+0xb10/0xb10
[  300.134146][ T6423]  ? setup_bdev_super+0x56b/0x660
[  300.139210][ T6423]  get_tree_bdev+0x3e4/0x510
[  300.143821][ T6423]  ? end_current_label_crit_section+0x170/0x170
[  300.150077][ T6423]  ? gfs2_reconfigure+0xb10/0xb10
[  300.155125][ T6423]  ? setup_bdev_super+0x660/0x660
[  300.160170][ T6423]  gfs2_get_tree+0x51/0x1e0
[  300.164695][ T6423]  vfs_get_tree+0x8c/0x280
[  300.169126][ T6423]  do_new_mount+0x24b/0xa40
[  300.173648][ T6423]  __se_sys_mount+0x2da/0x3c0
[  300.178347][ T6423]  ? __x64_sys_mount+0xc0/0xc0
[  300.183126][ T6423]  ? lockdep_hardirqs_on+0x98/0x150
[  300.188339][ T6423]  ? __x64_sys_mount+0x20/0xc0
[  300.193115][ T6423]  do_syscall_64+0x55/0xb0
[  300.197541][ T6423]  ? clear_bhb_loop+0x40/0x90
[  300.202227][ T6423]  ? clear_bhb_loop+0x40/0x90
[  300.206920][ T6423]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  300.212833][ T6423] RIP: 0033:0x7fc072190eea
[  300.217262][ T6423] 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
[  300.236880][ T6423] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  300.245303][ T6423] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  300.253284][ T6423] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  300.261263][ T6423] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  300.269244][ T6423] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  300.277221][ T6423] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  300.285211][ T6423]  </TASK>
[  300.293381][ T6423] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  300.308651][ T6423] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/01 18:50:36 executed programs: 151
[  300.712813][ T6426] loop1: detected capacity change from 0 to 32768
[  300.732152][ T6426] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  300.739864][ T6426] CPU: 1 PID: 6426 Comm: syz.1.166 Not tainted syzkaller #0
[  300.747198][ T6426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  300.757287][ T6426] Call Trace:
[  300.760598][ T6426]  <TASK>
[  300.763557][ T6426]  dump_stack_lvl+0x16c/0x230
[  300.768279][ T6426]  ? show_regs_print_info+0x20/0x20
[  300.773524][ T6426]  ? load_image+0x3b0/0x3b0
[  300.778080][ T6426]  sysfs_create_dir_ns+0x256/0x280
[  300.783239][ T6426]  ? sysfs_warn_dup+0xa0/0xa0
[  300.787967][ T6426]  ? do_raw_spin_unlock+0x121/0x230
[  300.793218][ T6426]  kobject_add_internal+0x6b8/0xc70
[  300.798465][ T6426]  kobject_init_and_add+0x126/0x190
[  300.803684][ T6426]  ? lockdep_softirqs_off+0x430/0x430
[  300.809075][ T6426]  ? kobject_add+0x220/0x220
[  300.813682][ T6426]  ? __init_swait_queue_head+0xa9/0x150
[  300.819242][ T6426]  gfs2_sys_fs_add+0x238/0x470
[  300.824025][ T6426]  ? gfs2_recover_set+0x250/0x250
[  300.829078][ T6426]  ? apply_workqueue_attrs+0x180/0x180
[  300.834557][ T6426]  gfs2_fill_super+0x1323/0x1f80
[  300.839521][ T6426]  ? gfs2_reconfigure+0xb10/0xb10
[  300.844615][ T6426]  ? setup_bdev_super+0x56b/0x660
[  300.849672][ T6426]  get_tree_bdev+0x3e4/0x510
[  300.854288][ T6426]  ? end_current_label_crit_section+0x170/0x170
[  300.860552][ T6426]  ? gfs2_reconfigure+0xb10/0xb10
[  300.865603][ T6426]  ? setup_bdev_super+0x660/0x660
[  300.870660][ T6426]  gfs2_get_tree+0x51/0x1e0
[  300.875190][ T6426]  vfs_get_tree+0x8c/0x280
[  300.879626][ T6426]  do_new_mount+0x24b/0xa40
[  300.884148][ T6426]  __se_sys_mount+0x2da/0x3c0
[  300.888839][ T6426]  ? __x64_sys_mount+0xc0/0xc0
[  300.893620][ T6426]  ? lockdep_hardirqs_on+0x98/0x150
[  300.898834][ T6426]  ? __x64_sys_mount+0x20/0xc0
[  300.903645][ T6426]  do_syscall_64+0x55/0xb0
[  300.908082][ T6426]  ? clear_bhb_loop+0x40/0x90
[  300.912786][ T6426]  ? clear_bhb_loop+0x40/0x90
[  300.917492][ T6426]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  300.923408][ T6426] RIP: 0033:0x7fc072190eea
[  300.927841][ T6426] 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
[  300.947461][ T6426] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  300.955890][ T6426] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  300.963876][ T6426] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  300.971860][ T6426] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  300.979840][ T6426] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  300.987824][ T6426] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  300.995822][ T6426]  </TASK>
[  301.019038][ T6426] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  301.039315][ T6426] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  301.406677][ T6429] loop1: detected capacity change from 0 to 32768
[  301.421446][ T6429] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  301.429047][ T6429] CPU: 0 PID: 6429 Comm: syz.1.167 Not tainted syzkaller #0
[  301.436374][ T6429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  301.446462][ T6429] Call Trace:
[  301.449773][ T6429]  <TASK>
[  301.452734][ T6429]  dump_stack_lvl+0x16c/0x230
[  301.457461][ T6429]  ? show_regs_print_info+0x20/0x20
[  301.462716][ T6429]  ? load_image+0x3b0/0x3b0
[  301.467276][ T6429]  sysfs_create_dir_ns+0x256/0x280
[  301.472438][ T6429]  ? sysfs_warn_dup+0xa0/0xa0
[  301.477163][ T6429]  ? do_raw_spin_unlock+0x121/0x230
[  301.482407][ T6429]  kobject_add_internal+0x6b8/0xc70
[  301.487657][ T6429]  kobject_init_and_add+0x126/0x190
[  301.492897][ T6429]  ? lockdep_softirqs_off+0x430/0x430
[  301.498307][ T6429]  ? kobject_add+0x220/0x220
[  301.502928][ T6429]  ? __init_swait_queue_head+0xa9/0x150
[  301.508491][ T6429]  gfs2_sys_fs_add+0x238/0x470
[  301.513274][ T6429]  ? gfs2_recover_set+0x250/0x250
[  301.518319][ T6429]  ? apply_workqueue_attrs+0x180/0x180
[  301.523798][ T6429]  gfs2_fill_super+0x1323/0x1f80
[  301.528762][ T6429]  ? gfs2_reconfigure+0xb10/0xb10
[  301.533812][ T6429]  ? setup_bdev_super+0x56b/0x660
[  301.538847][ T6429]  get_tree_bdev+0x3e4/0x510
[  301.543451][ T6429]  ? end_current_label_crit_section+0x170/0x170
[  301.549709][ T6429]  ? gfs2_reconfigure+0xb10/0xb10
[  301.554746][ T6429]  ? setup_bdev_super+0x660/0x660
[  301.559791][ T6429]  gfs2_get_tree+0x51/0x1e0
[  301.564309][ T6429]  vfs_get_tree+0x8c/0x280
[  301.568740][ T6429]  do_new_mount+0x24b/0xa40
[  301.573264][ T6429]  __se_sys_mount+0x2da/0x3c0
[  301.577952][ T6429]  ? __x64_sys_mount+0xc0/0xc0
[  301.582727][ T6429]  ? lockdep_hardirqs_on+0x98/0x150
[  301.587940][ T6429]  ? __x64_sys_mount+0x20/0xc0
[  301.592714][ T6429]  do_syscall_64+0x55/0xb0
[  301.597140][ T6429]  ? clear_bhb_loop+0x40/0x90
[  301.601826][ T6429]  ? clear_bhb_loop+0x40/0x90
[  301.606515][ T6429]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  301.612426][ T6429] RIP: 0033:0x7fc072190eea
[  301.616853][ T6429] 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
[  301.636468][ T6429] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  301.644905][ T6429] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  301.653412][ T6429] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  301.661390][ T6429] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  301.669372][ T6429] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  301.677350][ T6429] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  301.685433][ T6429]  </TASK>
[  301.691163][ T6429] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  301.705992][ T6429] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  302.117440][ T6432] loop1: detected capacity change from 0 to 32768
[  302.128342][ T6432] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  302.135791][ T6432] CPU: 1 PID: 6432 Comm: syz.1.168 Not tainted syzkaller #0
[  302.143119][ T6432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  302.153214][ T6432] Call Trace:
[  302.156526][ T6432]  <TASK>
[  302.159494][ T6432]  dump_stack_lvl+0x16c/0x230
[  302.164226][ T6432]  ? show_regs_print_info+0x20/0x20
[  302.169470][ T6432]  ? load_image+0x3b0/0x3b0
[  302.174033][ T6432]  sysfs_create_dir_ns+0x256/0x280
[  302.179193][ T6432]  ? sysfs_warn_dup+0xa0/0xa0
[  302.183918][ T6432]  ? do_raw_spin_unlock+0x121/0x230
[  302.189163][ T6432]  kobject_add_internal+0x6b8/0xc70
[  302.194388][ T6432]  kobject_init_and_add+0x126/0x190
[  302.199696][ T6432]  ? lockdep_softirqs_off+0x430/0x430
[  302.205090][ T6432]  ? kobject_add+0x220/0x220
[  302.209695][ T6432]  ? __init_swait_queue_head+0xa9/0x150
[  302.215255][ T6432]  gfs2_sys_fs_add+0x238/0x470
[  302.220035][ T6432]  ? gfs2_recover_set+0x250/0x250
[  302.225075][ T6432]  ? apply_workqueue_attrs+0x180/0x180
[  302.230558][ T6432]  gfs2_fill_super+0x1323/0x1f80
[  302.235528][ T6432]  ? gfs2_reconfigure+0xb10/0xb10
[  302.240577][ T6432]  ? setup_bdev_super+0x56b/0x660
[  302.245613][ T6432]  get_tree_bdev+0x3e4/0x510
[  302.250212][ T6432]  ? end_current_label_crit_section+0x170/0x170
[  302.256463][ T6432]  ? gfs2_reconfigure+0xb10/0xb10
[  302.261503][ T6432]  ? setup_bdev_super+0x660/0x660
[  302.266548][ T6432]  gfs2_get_tree+0x51/0x1e0
[  302.271067][ T6432]  vfs_get_tree+0x8c/0x280
[  302.275490][ T6432]  do_new_mount+0x24b/0xa40
[  302.280009][ T6432]  __se_sys_mount+0x2da/0x3c0
[  302.284699][ T6432]  ? __x64_sys_mount+0xc0/0xc0
[  302.289475][ T6432]  ? lockdep_hardirqs_on+0x98/0x150
[  302.294680][ T6432]  ? __x64_sys_mount+0x20/0xc0
[  302.299454][ T6432]  do_syscall_64+0x55/0xb0
[  302.303900][ T6432]  ? clear_bhb_loop+0x40/0x90
[  302.308602][ T6432]  ? clear_bhb_loop+0x40/0x90
[  302.313301][ T6432]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  302.319235][ T6432] RIP: 0033:0x7fc072190eea
[  302.323673][ T6432] 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
[  302.343304][ T6432] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  302.351737][ T6432] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  302.359718][ T6432] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  302.367705][ T6432] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  302.375683][ T6432] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  302.383665][ T6432] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  302.391659][ T6432]  </TASK>
[  302.400661][ T6432] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  302.416012][ T6432] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  302.822792][ T6435] loop1: detected capacity change from 0 to 32768
[  302.838992][ T6435] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  302.846795][ T6435] CPU: 1 PID: 6435 Comm: syz.1.169 Not tainted syzkaller #0
[  302.854129][ T6435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  302.864221][ T6435] Call Trace:
[  302.867535][ T6435]  <TASK>
[  302.870499][ T6435]  dump_stack_lvl+0x16c/0x230
[  302.875228][ T6435]  ? show_regs_print_info+0x20/0x20
[  302.880736][ T6435]  ? load_image+0x3b0/0x3b0
[  302.885301][ T6435]  sysfs_create_dir_ns+0x256/0x280
[  302.890464][ T6435]  ? sysfs_warn_dup+0xa0/0xa0
[  302.895186][ T6435]  ? do_raw_spin_unlock+0x121/0x230
[  302.900430][ T6435]  kobject_add_internal+0x6b8/0xc70
[  302.905680][ T6435]  kobject_init_and_add+0x126/0x190
[  302.910915][ T6435]  ? lockdep_softirqs_off+0x430/0x430
[  302.916307][ T6435]  ? kobject_add+0x220/0x220
[  302.920911][ T6435]  ? __init_swait_queue_head+0xa9/0x150
[  302.926472][ T6435]  gfs2_sys_fs_add+0x238/0x470
[  302.931247][ T6435]  ? gfs2_recover_set+0x250/0x250
[  302.936294][ T6435]  ? apply_workqueue_attrs+0x180/0x180
[  302.941777][ T6435]  gfs2_fill_super+0x1323/0x1f80
[  302.946740][ T6435]  ? gfs2_reconfigure+0xb10/0xb10
[  302.951797][ T6435]  ? setup_bdev_super+0x56b/0x660
[  302.956850][ T6435]  get_tree_bdev+0x3e4/0x510
[  302.961453][ T6435]  ? end_current_label_crit_section+0x170/0x170
[  302.967707][ T6435]  ? gfs2_reconfigure+0xb10/0xb10
[  302.972743][ T6435]  ? setup_bdev_super+0x660/0x660
[  302.977797][ T6435]  gfs2_get_tree+0x51/0x1e0
[  302.982319][ T6435]  vfs_get_tree+0x8c/0x280
[  302.986745][ T6435]  do_new_mount+0x24b/0xa40
[  302.991270][ T6435]  __se_sys_mount+0x2da/0x3c0
[  302.995961][ T6435]  ? __x64_sys_mount+0xc0/0xc0
[  303.000741][ T6435]  ? lockdep_hardirqs_on+0x98/0x150
[  303.005955][ T6435]  ? __x64_sys_mount+0x20/0xc0
[  303.010732][ T6435]  do_syscall_64+0x55/0xb0
[  303.015157][ T6435]  ? clear_bhb_loop+0x40/0x90
[  303.019849][ T6435]  ? clear_bhb_loop+0x40/0x90
[  303.024553][ T6435]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  303.030467][ T6435] RIP: 0033:0x7fc072190eea
[  303.034898][ T6435] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  303.054525][ T6435] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  303.062963][ T6435] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  303.070952][ T6435] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  303.078942][ T6435] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  303.086928][ T6435] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  303.094907][ T6435] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  303.102898][ T6435]  </TASK>
[  303.107028][ T6435] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  303.122506][ T6435] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  303.543442][ T6439] loop1: detected capacity change from 0 to 32768
[  303.560710][ T6439] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  303.568276][ T6439] CPU: 1 PID: 6439 Comm: syz.1.170 Not tainted syzkaller #0
[  303.575596][ T6439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  303.585682][ T6439] Call Trace:
[  303.588994][ T6439]  <TASK>
[  303.591958][ T6439]  dump_stack_lvl+0x16c/0x230
[  303.596690][ T6439]  ? show_regs_print_info+0x20/0x20
[  303.601935][ T6439]  ? load_image+0x3b0/0x3b0
[  303.606487][ T6439]  sysfs_create_dir_ns+0x256/0x280
[  303.611658][ T6439]  ? sysfs_warn_dup+0xa0/0xa0
[  303.616382][ T6439]  ? do_raw_spin_unlock+0x121/0x230
[  303.621628][ T6439]  kobject_add_internal+0x6b8/0xc70
[  303.626887][ T6439]  kobject_init_and_add+0x126/0x190
[  303.632117][ T6439]  ? lockdep_softirqs_off+0x430/0x430
[  303.637503][ T6439]  ? kobject_add+0x220/0x220
[  303.642114][ T6439]  ? __init_swait_queue_head+0xa9/0x150
[  303.647676][ T6439]  gfs2_sys_fs_add+0x238/0x470
[  303.652456][ T6439]  ? gfs2_recover_set+0x250/0x250
[  303.657504][ T6439]  ? apply_workqueue_attrs+0x180/0x180
[  303.662992][ T6439]  gfs2_fill_super+0x1323/0x1f80
[  303.667958][ T6439]  ? gfs2_reconfigure+0xb10/0xb10
[  303.673007][ T6439]  ? setup_bdev_super+0x56b/0x660
[  303.678045][ T6439]  get_tree_bdev+0x3e4/0x510
[  303.682647][ T6439]  ? end_current_label_crit_section+0x170/0x170
[  303.688901][ T6439]  ? gfs2_reconfigure+0xb10/0xb10
[  303.693943][ T6439]  ? setup_bdev_super+0x660/0x660
[  303.698987][ T6439]  gfs2_get_tree+0x51/0x1e0
[  303.703509][ T6439]  vfs_get_tree+0x8c/0x280
[  303.707944][ T6439]  do_new_mount+0x24b/0xa40
[  303.712463][ T6439]  __se_sys_mount+0x2da/0x3c0
[  303.717157][ T6439]  ? __x64_sys_mount+0xc0/0xc0
[  303.721933][ T6439]  ? lockdep_hardirqs_on+0x98/0x150
[  303.727147][ T6439]  ? __x64_sys_mount+0x20/0xc0
[  303.731925][ T6439]  do_syscall_64+0x55/0xb0
[  303.736353][ T6439]  ? clear_bhb_loop+0x40/0x90
[  303.741042][ T6439]  ? clear_bhb_loop+0x40/0x90
[  303.745728][ T6439]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  303.751635][ T6439] RIP: 0033:0x7fc072190eea
[  303.756066][ 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
[  303.775684][ T6439] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  303.784117][ T6439] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  303.792119][ T6439] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  303.800108][ T6439] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  303.808091][ T6439] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  303.816075][ T6439] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  303.824070][ T6439]  </TASK>
[  303.833551][ 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.
[  303.862598][ T6439] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  304.330158][ T6444] loop1: detected capacity change from 0 to 32768
[  304.341341][ T6444] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  304.349262][ T6444] CPU: 0 PID: 6444 Comm: syz.1.171 Not tainted syzkaller #0
[  304.356598][ T6444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  304.366697][ T6444] Call Trace:
[  304.370096][ T6444]  <TASK>
[  304.373058][ T6444]  dump_stack_lvl+0x16c/0x230
[  304.377789][ T6444]  ? show_regs_print_info+0x20/0x20
[  304.383037][ T6444]  ? load_image+0x3b0/0x3b0
[  304.387605][ T6444]  sysfs_create_dir_ns+0x256/0x280
[  304.392760][ T6444]  ? sysfs_warn_dup+0xa0/0xa0
[  304.397489][ T6444]  ? do_raw_spin_unlock+0x121/0x230
[  304.402758][ T6444]  kobject_add_internal+0x6b8/0xc70
[  304.407990][ T6444]  kobject_init_and_add+0x126/0x190
[  304.413222][ T6444]  ? lockdep_softirqs_off+0x430/0x430
[  304.418646][ T6444]  ? kobject_add+0x220/0x220
[  304.423262][ T6444]  ? __init_swait_queue_head+0xa9/0x150
[  304.428827][ T6444]  gfs2_sys_fs_add+0x238/0x470
[  304.433604][ T6444]  ? gfs2_recover_set+0x250/0x250
[  304.438630][ T6444]  ? apply_workqueue_attrs+0x180/0x180
[  304.444093][ T6444]  gfs2_fill_super+0x1323/0x1f80
[  304.449038][ T6444]  ? gfs2_reconfigure+0xb10/0xb10
[  304.454067][ T6444]  ? setup_bdev_super+0x56b/0x660
[  304.459107][ T6444]  get_tree_bdev+0x3e4/0x510
[  304.463699][ T6444]  ? end_current_label_crit_section+0x170/0x170
[  304.469942][ T6444]  ? gfs2_reconfigure+0xb10/0xb10
[  304.474963][ T6444]  ? setup_bdev_super+0x660/0x660
[  304.479986][ T6444]  gfs2_get_tree+0x51/0x1e0
[  304.484504][ T6444]  vfs_get_tree+0x8c/0x280
[  304.488927][ T6444]  do_new_mount+0x24b/0xa40
[  304.493431][ T6444]  __se_sys_mount+0x2da/0x3c0
[  304.498106][ T6444]  ? __x64_sys_mount+0xc0/0xc0
[  304.502864][ T6444]  ? lockdep_hardirqs_on+0x98/0x150
[  304.508075][ T6444]  ? __x64_sys_mount+0x20/0xc0
[  304.512837][ T6444]  do_syscall_64+0x55/0xb0
[  304.517248][ T6444]  ? clear_bhb_loop+0x40/0x90
[  304.521920][ T6444]  ? clear_bhb_loop+0x40/0x90
[  304.526599][ T6444]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  304.532495][ T6444] RIP: 0033:0x7fc072190eea
[  304.536908][ T6444] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  304.556513][ T6444] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  304.565013][ T6444] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  304.572981][ T6444] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  304.580947][ T6444] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  304.588924][ T6444] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  304.596911][ T6444] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  304.604892][ T6444]  </TASK>
[  304.608765][ T6444] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  304.623172][ T6444] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  305.080653][ T6448] loop1: detected capacity change from 0 to 32768
[  305.099072][ T6448] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  305.110147][ T6448] CPU: 1 PID: 6448 Comm: syz.1.172 Not tainted syzkaller #0
[  305.117497][ T6448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  305.127610][ T6448] Call Trace:
[  305.130925][ T6448]  <TASK>
[  305.133897][ T6448]  dump_stack_lvl+0x16c/0x230
[  305.138629][ T6448]  ? show_regs_print_info+0x20/0x20
[  305.143879][ T6448]  ? load_image+0x3b0/0x3b0
[  305.148533][ T6448]  sysfs_create_dir_ns+0x256/0x280
[  305.153708][ T6448]  ? sysfs_warn_dup+0xa0/0xa0
[  305.158454][ T6448]  ? do_raw_spin_unlock+0x121/0x230
[  305.163704][ T6448]  kobject_add_internal+0x6b8/0xc70
[  305.168958][ T6448]  kobject_init_and_add+0x126/0x190
[  305.174209][ T6448]  ? lockdep_softirqs_off+0x430/0x430
[  305.179627][ T6448]  ? kobject_add+0x220/0x220
[  305.184274][ T6448]  ? __init_swait_queue_head+0xa9/0x150
[  305.189878][ T6448]  gfs2_sys_fs_add+0x238/0x470
[  305.194699][ T6448]  ? gfs2_recover_set+0x250/0x250
[  305.199795][ T6448]  ? apply_workqueue_attrs+0x180/0x180
[  305.205313][ T6448]  gfs2_fill_super+0x1323/0x1f80
[  305.210315][ T6448]  ? gfs2_reconfigure+0xb10/0xb10
[  305.215404][ T6448]  ? setup_bdev_super+0x56b/0x660
[  305.220456][ T6448]  get_tree_bdev+0x3e4/0x510
[  305.225074][ T6448]  ? end_current_label_crit_section+0x170/0x170
[  305.231337][ T6448]  ? gfs2_reconfigure+0xb10/0xb10
[  305.236388][ T6448]  ? setup_bdev_super+0x660/0x660
[  305.241441][ T6448]  gfs2_get_tree+0x51/0x1e0
[  305.245973][ T6448]  vfs_get_tree+0x8c/0x280
[  305.250407][ T6448]  do_new_mount+0x24b/0xa40
[  305.254929][ T6448]  __se_sys_mount+0x2da/0x3c0
[  305.259622][ T6448]  ? __x64_sys_mount+0xc0/0xc0
[  305.264396][ T6448]  ? lockdep_hardirqs_on+0x98/0x150
[  305.269607][ T6448]  ? __x64_sys_mount+0x20/0xc0
[  305.274380][ T6448]  do_syscall_64+0x55/0xb0
[  305.278806][ T6448]  ? clear_bhb_loop+0x40/0x90
[  305.283495][ T6448]  ? clear_bhb_loop+0x40/0x90
[  305.288184][ T6448]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  305.294089][ T6448] RIP: 0033:0x7fc072190eea
[  305.298519][ 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
[  305.318152][ T6448] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  305.326590][ T6448] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  305.334591][ T6448] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  305.342580][ T6448] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  305.350561][ T6448] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  305.358631][ T6448] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  305.366633][ T6448]  </TASK>
[  305.372623][ 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.
[  305.388380][ T6448] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/01 18:50:41 executed programs: 158
[  305.824806][ T6452] loop1: detected capacity change from 0 to 32768
[  305.837771][ T6452] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  305.845663][ T6452] CPU: 0 PID: 6452 Comm: syz.1.173 Not tainted syzkaller #0
[  305.852981][ T6452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  305.863046][ T6452] Call Trace:
[  305.866338][ T6452]  <TASK>
[  305.869277][ T6452]  dump_stack_lvl+0x16c/0x230
[  305.873980][ T6452]  ? show_regs_print_info+0x20/0x20
[  305.879195][ T6452]  ? load_image+0x3b0/0x3b0
[  305.883726][ T6452]  sysfs_create_dir_ns+0x256/0x280
[  305.888858][ T6452]  ? sysfs_warn_dup+0xa0/0xa0
[  305.893561][ T6452]  ? do_raw_spin_unlock+0x121/0x230
[  305.898777][ T6452]  kobject_add_internal+0x6b8/0xc70
[  305.903995][ T6452]  kobject_init_and_add+0x126/0x190
[  305.909209][ T6452]  ? lockdep_softirqs_off+0x430/0x430
[  305.914594][ T6452]  ? kobject_add+0x220/0x220
[  305.919202][ T6452]  ? __init_swait_queue_head+0xa9/0x150
[  305.924760][ T6452]  gfs2_sys_fs_add+0x238/0x470
[  305.929547][ T6452]  ? gfs2_recover_set+0x250/0x250
[  305.934595][ T6452]  ? apply_workqueue_attrs+0x180/0x180
[  305.940077][ T6452]  gfs2_fill_super+0x1323/0x1f80
[  305.945045][ T6452]  ? gfs2_reconfigure+0xb10/0xb10
[  305.950093][ T6452]  ? setup_bdev_super+0x56b/0x660
[  305.955131][ T6452]  get_tree_bdev+0x3e4/0x510
[  305.959746][ T6452]  ? end_current_label_crit_section+0x170/0x170
[  305.966003][ T6452]  ? gfs2_reconfigure+0xb10/0xb10
[  305.971045][ T6452]  ? setup_bdev_super+0x660/0x660
[  305.976089][ T6452]  gfs2_get_tree+0x51/0x1e0
[  305.980609][ T6452]  vfs_get_tree+0x8c/0x280
[  305.985038][ T6452]  do_new_mount+0x24b/0xa40
[  305.989561][ T6452]  __se_sys_mount+0x2da/0x3c0
[  305.994251][ T6452]  ? __x64_sys_mount+0xc0/0xc0
[  305.999116][ T6452]  ? lockdep_hardirqs_on+0x98/0x150
[  306.004327][ T6452]  ? __x64_sys_mount+0x20/0xc0
[  306.009104][ T6452]  do_syscall_64+0x55/0xb0
[  306.013533][ T6452]  ? clear_bhb_loop+0x40/0x90
[  306.018318][ T6452]  ? clear_bhb_loop+0x40/0x90
[  306.023012][ T6452]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  306.028915][ T6452] RIP: 0033:0x7fc072190eea
[  306.033341][ T6452] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  306.053481][ T6452] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  306.061918][ T6452] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  306.069916][ T6452] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  306.077911][ T6452] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  306.085895][ T6452] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  306.093885][ T6452] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  306.101893][ T6452]  </TASK>
[  306.111973][ T6452] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  306.126154][ T6452] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  306.523366][ T6456] loop1: detected capacity change from 0 to 32768
[  306.538751][ T6456] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  306.546372][ T6456] CPU: 0 PID: 6456 Comm: syz.1.174 Not tainted syzkaller #0
[  306.553695][ T6456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  306.563796][ T6456] Call Trace:
[  306.567107][ T6456]  <TASK>
[  306.570073][ T6456]  dump_stack_lvl+0x16c/0x230
[  306.574811][ T6456]  ? show_regs_print_info+0x20/0x20
[  306.580060][ T6456]  ? load_image+0x3b0/0x3b0
[  306.584620][ T6456]  sysfs_create_dir_ns+0x256/0x280
[  306.589789][ T6456]  ? sysfs_warn_dup+0xa0/0xa0
[  306.594519][ T6456]  ? do_raw_spin_unlock+0x121/0x230
[  306.599765][ T6456]  kobject_add_internal+0x6b8/0xc70
[  306.605030][ T6456]  kobject_init_and_add+0x126/0x190
[  306.610266][ T6456]  ? lockdep_softirqs_off+0x430/0x430
[  306.615660][ T6456]  ? kobject_add+0x220/0x220
[  306.620270][ T6456]  ? __init_swait_queue_head+0xa9/0x150
[  306.625829][ T6456]  gfs2_sys_fs_add+0x238/0x470
[  306.630610][ T6456]  ? gfs2_recover_set+0x250/0x250
[  306.635655][ T6456]  ? apply_workqueue_attrs+0x180/0x180
[  306.641137][ T6456]  gfs2_fill_super+0x1323/0x1f80
[  306.646101][ T6456]  ? gfs2_reconfigure+0xb10/0xb10
[  306.651149][ T6456]  ? setup_bdev_super+0x56b/0x660
[  306.656194][ T6456]  get_tree_bdev+0x3e4/0x510
[  306.660813][ T6456]  ? end_current_label_crit_section+0x170/0x170
[  306.667078][ T6456]  ? gfs2_reconfigure+0xb10/0xb10
[  306.672117][ T6456]  ? setup_bdev_super+0x660/0x660
[  306.677165][ T6456]  gfs2_get_tree+0x51/0x1e0
[  306.681687][ T6456]  vfs_get_tree+0x8c/0x280
[  306.686120][ T6456]  do_new_mount+0x24b/0xa40
[  306.690640][ T6456]  __se_sys_mount+0x2da/0x3c0
[  306.695329][ T6456]  ? __x64_sys_mount+0xc0/0xc0
[  306.700104][ T6456]  ? lockdep_hardirqs_on+0x98/0x150
[  306.705311][ T6456]  ? __x64_sys_mount+0x20/0xc0
[  306.710173][ T6456]  do_syscall_64+0x55/0xb0
[  306.714600][ T6456]  ? clear_bhb_loop+0x40/0x90
[  306.719292][ T6456]  ? clear_bhb_loop+0x40/0x90
[  306.723982][ T6456]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  306.729885][ T6456] RIP: 0033:0x7fc072190eea
[  306.734307][ T6456] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  306.753936][ T6456] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  306.762452][ T6456] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  306.770442][ T6456] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  306.778420][ T6456] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  306.786401][ T6456] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  306.794378][ T6456] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  306.802367][ T6456]  </TASK>
[  306.809083][ T6456] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  306.823573][ T6456] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  307.222969][ T6459] loop1: detected capacity change from 0 to 32768
[  307.236843][ T6459] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  307.244317][ T6459] CPU: 1 PID: 6459 Comm: syz.1.175 Not tainted syzkaller #0
[  307.251636][ T6459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  307.261729][ T6459] Call Trace:
[  307.265041][ T6459]  <TASK>
[  307.268012][ T6459]  dump_stack_lvl+0x16c/0x230
[  307.272750][ T6459]  ? show_regs_print_info+0x20/0x20
[  307.277988][ T6459]  ? load_image+0x3b0/0x3b0
[  307.282528][ T6459]  sysfs_create_dir_ns+0x256/0x280
[  307.287664][ T6459]  ? sysfs_warn_dup+0xa0/0xa0
[  307.292386][ T6459]  ? do_raw_spin_unlock+0x121/0x230
[  307.297631][ T6459]  kobject_add_internal+0x6b8/0xc70
[  307.302867][ T6459]  kobject_init_and_add+0x126/0x190
[  307.308087][ T6459]  ? lockdep_softirqs_off+0x430/0x430
[  307.313485][ T6459]  ? kobject_add+0x220/0x220
[  307.318195][ T6459]  ? __init_swait_queue_head+0xa9/0x150
[  307.323765][ T6459]  gfs2_sys_fs_add+0x238/0x470
[  307.328555][ T6459]  ? gfs2_recover_set+0x250/0x250
[  307.333603][ T6459]  ? apply_workqueue_attrs+0x180/0x180
[  307.339180][ T6459]  gfs2_fill_super+0x1323/0x1f80
[  307.344150][ T6459]  ? gfs2_reconfigure+0xb10/0xb10
[  307.349197][ T6459]  ? setup_bdev_super+0x56b/0x660
[  307.354232][ T6459]  get_tree_bdev+0x3e4/0x510
[  307.358843][ T6459]  ? end_current_label_crit_section+0x170/0x170
[  307.365100][ T6459]  ? gfs2_reconfigure+0xb10/0xb10
[  307.370165][ T6459]  ? setup_bdev_super+0x660/0x660
[  307.375209][ T6459]  gfs2_get_tree+0x51/0x1e0
[  307.379734][ T6459]  vfs_get_tree+0x8c/0x280
[  307.384162][ T6459]  do_new_mount+0x24b/0xa40
[  307.388684][ T6459]  __se_sys_mount+0x2da/0x3c0
[  307.393381][ T6459]  ? __x64_sys_mount+0xc0/0xc0
[  307.398161][ T6459]  ? lockdep_hardirqs_on+0x98/0x150
[  307.403371][ T6459]  ? __x64_sys_mount+0x20/0xc0
[  307.408149][ T6459]  do_syscall_64+0x55/0xb0
[  307.412575][ T6459]  ? clear_bhb_loop+0x40/0x90
[  307.417270][ T6459]  ? clear_bhb_loop+0x40/0x90
[  307.421958][ T6459]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  307.427862][ T6459] RIP: 0033:0x7fc072190eea
[  307.432292][ T6459] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  307.452085][ T6459] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  307.460520][ T6459] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  307.468507][ T6459] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  307.476496][ T6459] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  307.484480][ T6459] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  307.492483][ T6459] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  307.500483][ T6459]  </TASK>
[  307.508883][ T6459] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  307.524846][ T6459] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  307.907972][ T6462] loop1: detected capacity change from 0 to 32768
[  307.926841][ T6462] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  307.934275][ T6462] CPU: 1 PID: 6462 Comm: syz.1.176 Not tainted syzkaller #0
[  307.941598][ T6462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  307.951690][ T6462] Call Trace:
[  307.955003][ T6462]  <TASK>
[  307.957962][ T6462]  dump_stack_lvl+0x16c/0x230
[  307.962692][ T6462]  ? show_regs_print_info+0x20/0x20
[  307.967932][ T6462]  ? load_image+0x3b0/0x3b0
[  307.972488][ T6462]  sysfs_create_dir_ns+0x256/0x280
[  307.977643][ T6462]  ? sysfs_warn_dup+0xa0/0xa0
[  307.982368][ T6462]  ? do_raw_spin_unlock+0x121/0x230
[  307.987613][ T6462]  kobject_add_internal+0x6b8/0xc70
[  307.992866][ T6462]  kobject_init_and_add+0x126/0x190
[  307.998100][ T6462]  ? lockdep_softirqs_off+0x430/0x430
[  308.003492][ T6462]  ? kobject_add+0x220/0x220
[  308.008102][ T6462]  ? __init_swait_queue_head+0xa9/0x150
[  308.013661][ T6462]  gfs2_sys_fs_add+0x238/0x470
[  308.018442][ T6462]  ? gfs2_recover_set+0x250/0x250
[  308.023482][ T6462]  ? apply_workqueue_attrs+0x180/0x180
[  308.028963][ T6462]  gfs2_fill_super+0x1323/0x1f80
[  308.033925][ T6462]  ? gfs2_reconfigure+0xb10/0xb10
[  308.038975][ T6462]  ? setup_bdev_super+0x56b/0x660
[  308.044013][ T6462]  get_tree_bdev+0x3e4/0x510
[  308.048610][ T6462]  ? end_current_label_crit_section+0x170/0x170
[  308.054861][ T6462]  ? gfs2_reconfigure+0xb10/0xb10
[  308.059902][ T6462]  ? setup_bdev_super+0x660/0x660
[  308.064968][ T6462]  gfs2_get_tree+0x51/0x1e0
[  308.069515][ T6462]  vfs_get_tree+0x8c/0x280
[  308.073970][ T6462]  do_new_mount+0x24b/0xa40
[  308.078497][ T6462]  __se_sys_mount+0x2da/0x3c0
[  308.083214][ T6462]  ? __x64_sys_mount+0xc0/0xc0
[  308.088004][ T6462]  ? lockdep_hardirqs_on+0x98/0x150
[  308.093216][ T6462]  ? __x64_sys_mount+0x20/0xc0
[  308.097994][ T6462]  do_syscall_64+0x55/0xb0
[  308.102425][ T6462]  ? clear_bhb_loop+0x40/0x90
[  308.107125][ T6462]  ? clear_bhb_loop+0x40/0x90
[  308.111823][ T6462]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  308.117732][ T6462] RIP: 0033:0x7fc072190eea
[  308.122165][ T6462] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  308.141787][ T6462] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  308.150216][ T6462] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  308.158197][ T6462] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  308.166180][ T6462] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  308.174159][ T6462] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  308.182139][ T6462] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  308.190134][ T6462]  </TASK>
[  308.200903][ T6462] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  308.217662][ T6462] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  308.622672][ T6465] loop1: detected capacity change from 0 to 32768
[  308.635649][ T6465] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  308.643590][ T6465] CPU: 1 PID: 6465 Comm: syz.1.177 Not tainted syzkaller #0
[  308.650921][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  308.661010][ T6465] Call Trace:
[  308.664319][ T6465]  <TASK>
[  308.667285][ T6465]  dump_stack_lvl+0x16c/0x230
[  308.672030][ T6465]  ? show_regs_print_info+0x20/0x20
[  308.677286][ T6465]  ? load_image+0x3b0/0x3b0
[  308.681855][ T6465]  sysfs_create_dir_ns+0x256/0x280
[  308.687025][ T6465]  ? sysfs_warn_dup+0xa0/0xa0
[  308.691860][ T6465]  ? do_raw_spin_unlock+0x121/0x230
[  308.697135][ T6465]  kobject_add_internal+0x6b8/0xc70
[  308.702367][ T6465]  kobject_init_and_add+0x126/0x190
[  308.707597][ T6465]  ? lockdep_softirqs_off+0x430/0x430
[  308.713003][ T6465]  ? kobject_add+0x220/0x220
[  308.717616][ T6465]  ? __init_swait_queue_head+0xa9/0x150
[  308.723185][ T6465]  gfs2_sys_fs_add+0x238/0x470
[  308.727980][ T6465]  ? gfs2_recover_set+0x250/0x250
[  308.733035][ T6465]  ? apply_workqueue_attrs+0x180/0x180
[  308.738523][ T6465]  gfs2_fill_super+0x1323/0x1f80
[  308.743500][ T6465]  ? gfs2_reconfigure+0xb10/0xb10
[  308.748549][ T6465]  ? setup_bdev_super+0x56b/0x660
[  308.753586][ T6465]  get_tree_bdev+0x3e4/0x510
[  308.758187][ T6465]  ? end_current_label_crit_section+0x170/0x170
[  308.764439][ T6465]  ? gfs2_reconfigure+0xb10/0xb10
[  308.769479][ T6465]  ? setup_bdev_super+0x660/0x660
[  308.774529][ T6465]  gfs2_get_tree+0x51/0x1e0
[  308.779054][ T6465]  vfs_get_tree+0x8c/0x280
[  308.783481][ T6465]  do_new_mount+0x24b/0xa40
[  308.788008][ T6465]  __se_sys_mount+0x2da/0x3c0
[  308.792707][ T6465]  ? __x64_sys_mount+0xc0/0xc0
[  308.797515][ T6465]  ? lockdep_hardirqs_on+0x98/0x150
[  308.802728][ T6465]  ? __x64_sys_mount+0x20/0xc0
[  308.807512][ T6465]  do_syscall_64+0x55/0xb0
[  308.811940][ T6465]  ? clear_bhb_loop+0x40/0x90
[  308.816628][ T6465]  ? clear_bhb_loop+0x40/0x90
[  308.821316][ T6465]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  308.827222][ T6465] RIP: 0033:0x7fc072190eea
[  308.831647][ T6465] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  308.851785][ T6465] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  308.860221][ T6465] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  308.868202][ T6465] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  308.876182][ T6465] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  308.884160][ T6465] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  308.892139][ T6465] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  308.900132][ T6465]  </TASK>
[  308.909222][ T6465] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  308.928877][ T6465] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  309.316387][ T6468] loop1: detected capacity change from 0 to 32768
[  309.333455][ T6468] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  309.341101][ T6468] CPU: 1 PID: 6468 Comm: syz.1.178 Not tainted syzkaller #0
[  309.348439][ T6468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  309.358538][ T6468] Call Trace:
[  309.361851][ T6468]  <TASK>
[  309.364822][ T6468]  dump_stack_lvl+0x16c/0x230
[  309.369557][ T6468]  ? show_regs_print_info+0x20/0x20
[  309.374810][ T6468]  ? load_image+0x3b0/0x3b0
[  309.379367][ T6468]  sysfs_create_dir_ns+0x256/0x280
[  309.384551][ T6468]  ? sysfs_warn_dup+0xa0/0xa0
[  309.389273][ T6468]  ? do_raw_spin_unlock+0x121/0x230
[  309.394531][ T6468]  kobject_add_internal+0x6b8/0xc70
[  309.399774][ T6468]  kobject_init_and_add+0x126/0x190
[  309.404991][ T6468]  ? lockdep_softirqs_off+0x430/0x430
[  309.410378][ T6468]  ? kobject_add+0x220/0x220
[  309.414991][ T6468]  ? __init_swait_queue_head+0xa9/0x150
[  309.420554][ T6468]  gfs2_sys_fs_add+0x238/0x470
[  309.425331][ T6468]  ? gfs2_recover_set+0x250/0x250
[  309.430377][ T6468]  ? apply_workqueue_attrs+0x180/0x180
[  309.435861][ T6468]  gfs2_fill_super+0x1323/0x1f80
[  309.440829][ T6468]  ? gfs2_reconfigure+0xb10/0xb10
[  309.445875][ T6468]  ? setup_bdev_super+0x56b/0x660
[  309.450915][ T6468]  get_tree_bdev+0x3e4/0x510
[  309.455513][ T6468]  ? end_current_label_crit_section+0x170/0x170
[  309.461773][ T6468]  ? gfs2_reconfigure+0xb10/0xb10
[  309.466816][ T6468]  ? setup_bdev_super+0x660/0x660
[  309.471858][ T6468]  gfs2_get_tree+0x51/0x1e0
[  309.476378][ T6468]  vfs_get_tree+0x8c/0x280
[  309.480816][ T6468]  do_new_mount+0x24b/0xa40
[  309.485345][ T6468]  __se_sys_mount+0x2da/0x3c0
[  309.490036][ T6468]  ? __x64_sys_mount+0xc0/0xc0
[  309.494812][ T6468]  ? lockdep_hardirqs_on+0x98/0x150
[  309.500025][ T6468]  ? __x64_sys_mount+0x20/0xc0
[  309.504801][ T6468]  do_syscall_64+0x55/0xb0
[  309.509223][ T6468]  ? clear_bhb_loop+0x40/0x90
[  309.513910][ T6468]  ? clear_bhb_loop+0x40/0x90
[  309.518599][ T6468]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  309.524505][ T6468] RIP: 0033:0x7fc072190eea
[  309.528942][ T6468] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  309.548560][ T6468] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  309.556988][ T6468] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  309.564968][ T6468] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  309.572949][ T6468] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  309.580933][ T6468] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  309.588915][ T6468] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  309.596910][ T6468]  </TASK>
[  309.604333][ T6468] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  309.639088][ T6468] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  310.028335][ T6471] loop1: detected capacity change from 0 to 32768
[  310.042659][ T6471] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  310.050818][ T6471] CPU: 0 PID: 6471 Comm: syz.1.179 Not tainted syzkaller #0
[  310.058149][ T6471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  310.068242][ T6471] Call Trace:
[  310.071556][ T6471]  <TASK>
[  310.074523][ T6471]  dump_stack_lvl+0x16c/0x230
[  310.079255][ T6471]  ? show_regs_print_info+0x20/0x20
[  310.084505][ T6471]  ? load_image+0x3b0/0x3b0
[  310.089061][ T6471]  sysfs_create_dir_ns+0x256/0x280
[  310.094217][ T6471]  ? sysfs_warn_dup+0xa0/0xa0
[  310.098945][ T6471]  ? do_raw_spin_unlock+0x121/0x230
[  310.104188][ T6471]  kobject_add_internal+0x6b8/0xc70
[  310.109448][ T6471]  kobject_init_and_add+0x126/0x190
[  310.114667][ T6471]  ? lockdep_softirqs_off+0x430/0x430
[  310.120056][ T6471]  ? kobject_add+0x220/0x220
[  310.124663][ T6471]  ? __init_swait_queue_head+0xa9/0x150
[  310.130237][ T6471]  gfs2_sys_fs_add+0x238/0x470
[  310.135020][ T6471]  ? gfs2_recover_set+0x250/0x250
[  310.140064][ T6471]  ? apply_workqueue_attrs+0x180/0x180
[  310.145548][ T6471]  gfs2_fill_super+0x1323/0x1f80
[  310.151126][ T6471]  ? gfs2_reconfigure+0xb10/0xb10
[  310.156191][ T6471]  ? setup_bdev_super+0x56b/0x660
[  310.161233][ T6471]  get_tree_bdev+0x3e4/0x510
[  310.165858][ T6471]  ? end_current_label_crit_section+0x170/0x170
[  310.172116][ T6471]  ? gfs2_reconfigure+0xb10/0xb10
[  310.177154][ T6471]  ? setup_bdev_super+0x660/0x660
[  310.182197][ T6471]  gfs2_get_tree+0x51/0x1e0
[  310.186719][ T6471]  vfs_get_tree+0x8c/0x280
[  310.191154][ T6471]  do_new_mount+0x24b/0xa40
[  310.195676][ T6471]  __se_sys_mount+0x2da/0x3c0
[  310.200375][ T6471]  ? __x64_sys_mount+0xc0/0xc0
[  310.205159][ T6471]  ? lockdep_hardirqs_on+0x98/0x150
[  310.210367][ T6471]  ? __x64_sys_mount+0x20/0xc0
[  310.215142][ T6471]  do_syscall_64+0x55/0xb0
[  310.219570][ T6471]  ? clear_bhb_loop+0x40/0x90
[  310.224256][ T6471]  ? clear_bhb_loop+0x40/0x90
[  310.228964][ T6471]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  310.234871][ T6471] RIP: 0033:0x7fc072190eea
[  310.239298][ T6471] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  310.258917][ T6471] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  310.267361][ T6471] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  310.275340][ T6471] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  310.283321][ T6471] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  310.291300][ T6471] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  310.299281][ T6471] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  310.307323][ T6471]  </TASK>
[  310.313917][ T6471] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  310.328774][ T6471] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  310.712584][ T6474] loop1: detected capacity change from 0 to 32768
[  310.722731][ T6474] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  310.733639][ T6474] CPU: 0 PID: 6474 Comm: syz.1.180 Not tainted syzkaller #0
[  310.740980][ T6474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  310.751069][ T6474] Call Trace:
[  310.754380][ T6474]  <TASK>
[  310.757342][ T6474]  dump_stack_lvl+0x16c/0x230
[  310.762076][ T6474]  ? show_regs_print_info+0x20/0x20
[  310.767322][ T6474]  ? load_image+0x3b0/0x3b0
[  310.771905][ T6474]  sysfs_create_dir_ns+0x256/0x280
[  310.777063][ T6474]  ? sysfs_warn_dup+0xa0/0xa0
[  310.781789][ T6474]  ? do_raw_spin_unlock+0x121/0x230
[  310.787030][ T6474]  kobject_add_internal+0x6b8/0xc70
[  310.792253][ T6474]  kobject_init_and_add+0x126/0x190
[  310.797468][ T6474]  ? lockdep_softirqs_off+0x430/0x430
[  310.802860][ T6474]  ? kobject_add+0x220/0x220
[  310.807464][ T6474]  ? __init_swait_queue_head+0xa9/0x150
[  310.813031][ T6474]  gfs2_sys_fs_add+0x238/0x470
[  310.817808][ T6474]  ? gfs2_recover_set+0x250/0x250
[  310.822849][ T6474]  ? apply_workqueue_attrs+0x180/0x180
[  310.828331][ T6474]  gfs2_fill_super+0x1323/0x1f80
[  310.833293][ T6474]  ? gfs2_reconfigure+0xb10/0xb10
[  310.838342][ T6474]  ? setup_bdev_super+0x56b/0x660
[  310.843382][ T6474]  get_tree_bdev+0x3e4/0x510
[  310.847979][ T6474]  ? end_current_label_crit_section+0x170/0x170
[  310.854232][ T6474]  ? gfs2_reconfigure+0xb10/0xb10
[  310.859275][ T6474]  ? setup_bdev_super+0x660/0x660
[  310.864327][ T6474]  gfs2_get_tree+0x51/0x1e0
[  310.868852][ T6474]  vfs_get_tree+0x8c/0x280
[  310.873277][ T6474]  do_new_mount+0x24b/0xa40
[  310.877796][ T6474]  __se_sys_mount+0x2da/0x3c0
[  310.882486][ T6474]  ? __x64_sys_mount+0xc0/0xc0
[  310.887274][ T6474]  ? lockdep_hardirqs_on+0x98/0x150
[  310.892480][ T6474]  ? __x64_sys_mount+0x20/0xc0
[  310.897259][ T6474]  do_syscall_64+0x55/0xb0
[  310.901685][ T6474]  ? clear_bhb_loop+0x40/0x90
[  310.906371][ T6474]  ? clear_bhb_loop+0x40/0x90
[  310.911064][ T6474]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  310.916966][ T6474] RIP: 0033:0x7fc072190eea
[  310.921389][ T6474] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  310.941004][ T6474] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  310.949435][ T6474] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  310.957413][ T6474] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  310.965393][ T6474] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  310.973395][ T6474] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  310.981462][ T6474] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  310.989460][ T6474]  </TASK>
[  310.996671][ T6474] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  311.011948][ T6474] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/01 18:50:47 executed programs: 166
[  311.419814][ T6477] loop1: detected capacity change from 0 to 32768
[  311.441489][ T6477] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  311.449192][ T6477] CPU: 0 PID: 6477 Comm: syz.1.181 Not tainted syzkaller #0
[  311.456523][ T6477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  311.466612][ T6477] Call Trace:
[  311.469930][ T6477]  <TASK>
[  311.472897][ T6477]  dump_stack_lvl+0x16c/0x230
[  311.477627][ T6477]  ? show_regs_print_info+0x20/0x20
[  311.482880][ T6477]  ? load_image+0x3b0/0x3b0
[  311.487454][ T6477]  sysfs_create_dir_ns+0x256/0x280
[  311.492615][ T6477]  ? sysfs_warn_dup+0xa0/0xa0
[  311.497338][ T6477]  ? do_raw_spin_unlock+0x121/0x230
[  311.502584][ T6477]  kobject_add_internal+0x6b8/0xc70
[  311.507832][ T6477]  kobject_init_and_add+0x126/0x190
[  311.513073][ T6477]  ? lockdep_softirqs_off+0x430/0x430
[  311.518486][ T6477]  ? kobject_add+0x220/0x220
[  311.523119][ T6477]  ? __init_swait_queue_head+0xa9/0x150
[  311.528708][ T6477]  gfs2_sys_fs_add+0x238/0x470
[  311.533526][ T6477]  ? gfs2_recover_set+0x250/0x250
[  311.538597][ T6477]  ? apply_workqueue_attrs+0x180/0x180
[  311.544108][ T6477]  gfs2_fill_super+0x1323/0x1f80
[  311.549113][ T6477]  ? gfs2_reconfigure+0xb10/0xb10
[  311.554190][ T6477]  ? setup_bdev_super+0x56b/0x660
[  311.559254][ T6477]  get_tree_bdev+0x3e4/0x510
[  311.563871][ T6477]  ? end_current_label_crit_section+0x170/0x170
[  311.570116][ T6477]  ? gfs2_reconfigure+0xb10/0xb10
[  311.575142][ T6477]  ? setup_bdev_super+0x660/0x660
[  311.580171][ T6477]  gfs2_get_tree+0x51/0x1e0
[  311.584679][ T6477]  vfs_get_tree+0x8c/0x280
[  311.589095][ T6477]  do_new_mount+0x24b/0xa40
[  311.593602][ T6477]  __se_sys_mount+0x2da/0x3c0
[  311.598280][ T6477]  ? __x64_sys_mount+0xc0/0xc0
[  311.603040][ T6477]  ? lockdep_hardirqs_on+0x98/0x150
[  311.608254][ T6477]  ? __x64_sys_mount+0x20/0xc0
[  311.613127][ T6477]  do_syscall_64+0x55/0xb0
[  311.617540][ T6477]  ? clear_bhb_loop+0x40/0x90
[  311.622221][ T6477]  ? clear_bhb_loop+0x40/0x90
[  311.626912][ T6477]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  311.632834][ T6477] RIP: 0033:0x7fc072190eea
[  311.637250][ T6477] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  311.656872][ T6477] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  311.665326][ T6477] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  311.673296][ T6477] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  311.681267][ T6477] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  311.689239][ T6477] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  311.697209][ T6477] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  311.705185][ T6477]  </TASK>
[  311.718462][ T6477] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  311.732923][ T6477] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  312.146478][ T6480] loop1: detected capacity change from 0 to 32768
[  312.159551][ T6480] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  312.171101][ T6480] CPU: 1 PID: 6480 Comm: syz.1.182 Not tainted syzkaller #0
[  312.178446][ T6480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  312.188540][ T6480] Call Trace:
[  312.191852][ T6480]  <TASK>
[  312.194821][ T6480]  dump_stack_lvl+0x16c/0x230
[  312.199553][ T6480]  ? show_regs_print_info+0x20/0x20
[  312.204794][ T6480]  ? load_image+0x3b0/0x3b0
[  312.209352][ T6480]  sysfs_create_dir_ns+0x256/0x280
[  312.214516][ T6480]  ? sysfs_warn_dup+0xa0/0xa0
[  312.219235][ T6480]  ? do_raw_spin_unlock+0x121/0x230
[  312.224490][ T6480]  kobject_add_internal+0x6b8/0xc70
[  312.229741][ T6480]  kobject_init_and_add+0x126/0x190
[  312.234978][ T6480]  ? lockdep_softirqs_off+0x430/0x430
[  312.240387][ T6480]  ? kobject_add+0x220/0x220
[  312.245026][ T6480]  ? __init_swait_queue_head+0xa9/0x150
[  312.250616][ T6480]  gfs2_sys_fs_add+0x238/0x470
[  312.255422][ T6480]  ? gfs2_recover_set+0x250/0x250
[  312.260510][ T6480]  ? apply_workqueue_attrs+0x180/0x180
[  312.266024][ T6480]  gfs2_fill_super+0x1323/0x1f80
[  312.271026][ T6480]  ? gfs2_reconfigure+0xb10/0xb10
[  312.276103][ T6480]  ? setup_bdev_super+0x56b/0x660
[  312.281166][ T6480]  get_tree_bdev+0x3e4/0x510
[  312.285795][ T6480]  ? end_current_label_crit_section+0x170/0x170
[  312.292067][ T6480]  ? gfs2_reconfigure+0xb10/0xb10
[  312.297097][ T6480]  ? setup_bdev_super+0x660/0x660
[  312.302122][ T6480]  gfs2_get_tree+0x51/0x1e0
[  312.306634][ T6480]  vfs_get_tree+0x8c/0x280
[  312.311047][ T6480]  do_new_mount+0x24b/0xa40
[  312.315555][ T6480]  __se_sys_mount+0x2da/0x3c0
[  312.320231][ T6480]  ? __x64_sys_mount+0xc0/0xc0
[  312.324994][ T6480]  ? lockdep_hardirqs_on+0x98/0x150
[  312.330198][ T6480]  ? __x64_sys_mount+0x20/0xc0
[  312.334960][ T6480]  do_syscall_64+0x55/0xb0
[  312.339370][ T6480]  ? clear_bhb_loop+0x40/0x90
[  312.344048][ T6480]  ? clear_bhb_loop+0x40/0x90
[  312.348725][ T6480]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  312.354628][ T6480] RIP: 0033:0x7fc072190eea
[  312.359039][ T6480] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  312.378657][ T6480] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  312.387069][ T6480] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  312.395037][ T6480] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  312.403007][ T6480] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  312.411063][ T6480] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  312.419064][ T6480] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  312.427043][ T6480]  </TASK>
[  312.434355][ T6480] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  312.448408][ T6480] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  312.880381][ T6483] loop1: detected capacity change from 0 to 32768
[  312.889394][ T6483] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  312.899649][ T6483] CPU: 0 PID: 6483 Comm: syz.1.183 Not tainted syzkaller #0
[  312.907022][ T6483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  312.917115][ T6483] Call Trace:
[  312.920429][ T6483]  <TASK>
[  312.923423][ T6483]  dump_stack_lvl+0x16c/0x230
[  312.928158][ T6483]  ? show_regs_print_info+0x20/0x20
[  312.933410][ T6483]  ? load_image+0x3b0/0x3b0
[  312.937970][ T6483]  sysfs_create_dir_ns+0x256/0x280
[  312.943134][ T6483]  ? sysfs_warn_dup+0xa0/0xa0
[  312.947867][ T6483]  ? do_raw_spin_unlock+0x121/0x230
[  312.953111][ T6483]  kobject_add_internal+0x6b8/0xc70
[  312.958347][ T6483]  kobject_init_and_add+0x126/0x190
[  312.963543][ T6483]  ? lockdep_softirqs_off+0x430/0x430
[  312.968998][ T6483]  ? kobject_add+0x220/0x220
[  312.973629][ T6483]  ? __init_swait_queue_head+0xa9/0x150
[  312.979207][ T6483]  gfs2_sys_fs_add+0x238/0x470
[  312.983979][ T6483]  ? gfs2_recover_set+0x250/0x250
[  312.989013][ T6483]  ? apply_workqueue_attrs+0x180/0x180
[  312.994478][ T6483]  gfs2_fill_super+0x1323/0x1f80
[  312.999461][ T6483]  ? gfs2_reconfigure+0xb10/0xb10
[  313.004550][ T6483]  ? setup_bdev_super+0x56b/0x660
[  313.009573][ T6483]  get_tree_bdev+0x3e4/0x510
[  313.014168][ T6483]  ? end_current_label_crit_section+0x170/0x170
[  313.020410][ T6483]  ? gfs2_reconfigure+0xb10/0xb10
[  313.025433][ T6483]  ? setup_bdev_super+0x660/0x660
[  313.030474][ T6483]  gfs2_get_tree+0x51/0x1e0
[  313.034988][ T6483]  vfs_get_tree+0x8c/0x280
[  313.039400][ T6483]  do_new_mount+0x24b/0xa40
[  313.043906][ T6483]  __se_sys_mount+0x2da/0x3c0
[  313.048592][ T6483]  ? __x64_sys_mount+0xc0/0xc0
[  313.053370][ T6483]  ? lockdep_hardirqs_on+0x98/0x150
[  313.058584][ T6483]  ? __x64_sys_mount+0x20/0xc0
[  313.063357][ T6483]  do_syscall_64+0x55/0xb0
[  313.067787][ T6483]  ? clear_bhb_loop+0x40/0x90
[  313.072569][ T6483]  ? clear_bhb_loop+0x40/0x90
[  313.077259][ T6483]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  313.083161][ T6483] RIP: 0033:0x7fc072190eea
[  313.087588][ T6483] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  313.107209][ T6483] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  313.115640][ T6483] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  313.123625][ T6483] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  313.131607][ T6483] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  313.139588][ T6483] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  313.147570][ T6483] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  313.155651][ T6483]  </TASK>
[  313.161683][ T6483] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  313.175751][ T6483] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  313.578643][ T6486] loop1: detected capacity change from 0 to 32768
[  313.587756][ T6486] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  313.595181][ T6486] CPU: 1 PID: 6486 Comm: syz.1.184 Not tainted syzkaller #0
[  313.602510][ T6486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  313.612598][ T6486] Call Trace:
[  313.615910][ T6486]  <TASK>
[  313.618877][ T6486]  dump_stack_lvl+0x16c/0x230
[  313.623608][ T6486]  ? show_regs_print_info+0x20/0x20
[  313.628855][ T6486]  ? load_image+0x3b0/0x3b0
[  313.633423][ T6486]  sysfs_create_dir_ns+0x256/0x280
[  313.638592][ T6486]  ? sysfs_warn_dup+0xa0/0xa0
[  313.643316][ T6486]  ? do_raw_spin_unlock+0x121/0x230
[  313.648556][ T6486]  kobject_add_internal+0x6b8/0xc70
[  313.653777][ T6486]  kobject_init_and_add+0x126/0x190
[  313.658991][ T6486]  ? lockdep_softirqs_off+0x430/0x430
[  313.664378][ T6486]  ? kobject_add+0x220/0x220
[  313.669009][ T6486]  ? __init_swait_queue_head+0xa9/0x150
[  313.674569][ T6486]  gfs2_sys_fs_add+0x238/0x470
[  313.679352][ T6486]  ? gfs2_recover_set+0x250/0x250
[  313.684404][ T6486]  ? apply_workqueue_attrs+0x180/0x180
[  313.689887][ T6486]  gfs2_fill_super+0x1323/0x1f80
[  313.694854][ T6486]  ? gfs2_reconfigure+0xb10/0xb10
[  313.699903][ T6486]  ? setup_bdev_super+0x56b/0x660
[  313.704946][ T6486]  get_tree_bdev+0x3e4/0x510
[  313.709551][ T6486]  ? end_current_label_crit_section+0x170/0x170
[  313.715804][ T6486]  ? gfs2_reconfigure+0xb10/0xb10
[  313.720841][ T6486]  ? setup_bdev_super+0x660/0x660
[  313.725889][ T6486]  gfs2_get_tree+0x51/0x1e0
[  313.730420][ T6486]  vfs_get_tree+0x8c/0x280
[  313.734865][ T6486]  do_new_mount+0x24b/0xa40
[  313.739411][ T6486]  __se_sys_mount+0x2da/0x3c0
[  313.744105][ T6486]  ? __x64_sys_mount+0xc0/0xc0
[  313.748884][ T6486]  ? lockdep_hardirqs_on+0x98/0x150
[  313.754091][ T6486]  ? __x64_sys_mount+0x20/0xc0
[  313.758865][ T6486]  do_syscall_64+0x55/0xb0
[  313.763290][ T6486]  ? clear_bhb_loop+0x40/0x90
[  313.767979][ T6486]  ? clear_bhb_loop+0x40/0x90
[  313.772668][ T6486]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  313.778572][ T6486] RIP: 0033:0x7fc072190eea
[  313.782998][ T6486] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  313.802618][ T6486] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  313.811046][ T6486] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  313.819028][ T6486] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  313.827014][ T6486] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  313.834996][ T6486] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  313.842980][ T6486] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  313.850981][ T6486]  </TASK>
[  313.869561][ T6486] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  313.884082][ T6486] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  314.280099][ T6489] loop1: detected capacity change from 0 to 32768
[  314.293533][ T6489] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  314.302436][ T6489] CPU: 1 PID: 6489 Comm: syz.1.185 Not tainted syzkaller #0
[  314.309789][ T6489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  314.319884][ T6489] Call Trace:
[  314.323195][ T6489]  <TASK>
[  314.326169][ T6489]  dump_stack_lvl+0x16c/0x230
[  314.330991][ T6489]  ? show_regs_print_info+0x20/0x20
[  314.336255][ T6489]  ? load_image+0x3b0/0x3b0
[  314.340828][ T6489]  sysfs_create_dir_ns+0x256/0x280
[  314.345995][ T6489]  ? sysfs_warn_dup+0xa0/0xa0
[  314.350720][ T6489]  ? do_raw_spin_unlock+0x121/0x230
[  314.355984][ T6489]  kobject_add_internal+0x6b8/0xc70
[  314.361236][ T6489]  kobject_init_and_add+0x126/0x190
[  314.366477][ T6489]  ? lockdep_softirqs_off+0x430/0x430
[  314.371893][ T6489]  ? kobject_add+0x220/0x220
[  314.376532][ T6489]  ? __init_swait_queue_head+0xa9/0x150
[  314.382121][ T6489]  gfs2_sys_fs_add+0x238/0x470
[  314.386928][ T6489]  ? gfs2_recover_set+0x250/0x250
[  314.392000][ T6489]  ? apply_workqueue_attrs+0x180/0x180
[  314.397514][ T6489]  gfs2_fill_super+0x1323/0x1f80
[  314.402511][ T6489]  ? gfs2_reconfigure+0xb10/0xb10
[  314.407587][ T6489]  ? setup_bdev_super+0x56b/0x660
[  314.412647][ T6489]  get_tree_bdev+0x3e4/0x510
[  314.417270][ T6489]  ? end_current_label_crit_section+0x170/0x170
[  314.423554][ T6489]  ? gfs2_reconfigure+0xb10/0xb10
[  314.428699][ T6489]  ? setup_bdev_super+0x660/0x660
[  314.433746][ T6489]  gfs2_get_tree+0x51/0x1e0
[  314.438261][ T6489]  vfs_get_tree+0x8c/0x280
[  314.442717][ T6489]  do_new_mount+0x24b/0xa40
[  314.447241][ T6489]  __se_sys_mount+0x2da/0x3c0
[  314.451930][ T6489]  ? __x64_sys_mount+0xc0/0xc0
[  314.456697][ T6489]  ? lockdep_hardirqs_on+0x98/0x150
[  314.461897][ T6489]  ? __x64_sys_mount+0x20/0xc0
[  314.466665][ T6489]  do_syscall_64+0x55/0xb0
[  314.471084][ T6489]  ? clear_bhb_loop+0x40/0x90
[  314.475762][ T6489]  ? clear_bhb_loop+0x40/0x90
[  314.480440][ T6489]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  314.486347][ T6489] RIP: 0033:0x7fc072190eea
[  314.490759][ T6489] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  314.510368][ T6489] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  314.518783][ T6489] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  314.526751][ T6489] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  314.534740][ T6489] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  314.542707][ T6489] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  314.550677][ T6489] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  314.558654][ T6489]  </TASK>
[  314.563067][ T6489] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  314.577192][ T6489] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  315.012598][ T6492] loop1: detected capacity change from 0 to 32768
[  315.026370][ T6492] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  315.034218][ T6492] CPU: 0 PID: 6492 Comm: syz.1.186 Not tainted syzkaller #0
[  315.041559][ T6492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  315.051647][ T6492] Call Trace:
[  315.054960][ T6492]  <TASK>
[  315.057931][ T6492]  dump_stack_lvl+0x16c/0x230
[  315.062660][ T6492]  ? show_regs_print_info+0x20/0x20
[  315.067911][ T6492]  ? load_image+0x3b0/0x3b0
[  315.072479][ T6492]  sysfs_create_dir_ns+0x256/0x280
[  315.077635][ T6492]  ? sysfs_warn_dup+0xa0/0xa0
[  315.082355][ T6492]  ? do_raw_spin_unlock+0x121/0x230
[  315.087595][ T6492]  kobject_add_internal+0x6b8/0xc70
[  315.092821][ T6492]  kobject_init_and_add+0x126/0x190
[  315.098036][ T6492]  ? lockdep_softirqs_off+0x430/0x430
[  315.103419][ T6492]  ? kobject_add+0x220/0x220
[  315.108032][ T6492]  ? __init_swait_queue_head+0xa9/0x150
[  315.113591][ T6492]  gfs2_sys_fs_add+0x238/0x470
[  315.118368][ T6492]  ? gfs2_recover_set+0x250/0x250
[  315.123413][ T6492]  ? apply_workqueue_attrs+0x180/0x180
[  315.128897][ T6492]  gfs2_fill_super+0x1323/0x1f80
[  315.133893][ T6492]  ? gfs2_reconfigure+0xb10/0xb10
[  315.138940][ T6492]  ? setup_bdev_super+0x56b/0x660
[  315.143978][ T6492]  get_tree_bdev+0x3e4/0x510
[  315.148576][ T6492]  ? end_current_label_crit_section+0x170/0x170
[  315.154829][ T6492]  ? gfs2_reconfigure+0xb10/0xb10
[  315.159871][ T6492]  ? setup_bdev_super+0x660/0x660
[  315.164913][ T6492]  gfs2_get_tree+0x51/0x1e0
[  315.169433][ T6492]  vfs_get_tree+0x8c/0x280
[  315.173865][ T6492]  do_new_mount+0x24b/0xa40
[  315.178386][ T6492]  __se_sys_mount+0x2da/0x3c0
[  315.183079][ T6492]  ? __x64_sys_mount+0xc0/0xc0
[  315.187857][ T6492]  ? lockdep_hardirqs_on+0x98/0x150
[  315.193065][ T6492]  ? __x64_sys_mount+0x20/0xc0
[  315.197838][ T6492]  do_syscall_64+0x55/0xb0
[  315.202438][ T6492]  ? clear_bhb_loop+0x40/0x90
[  315.207154][ T6492]  ? clear_bhb_loop+0x40/0x90
[  315.211862][ T6492]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  315.217782][ T6492] RIP: 0033:0x7fc072190eea
[  315.222213][ T6492] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  315.242015][ T6492] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  315.250448][ T6492] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  315.258441][ T6492] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  315.266434][ T6492] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  315.274425][ T6492] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  315.282412][ T6492] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  315.290505][ T6492]  </TASK>
[  315.296340][ T6492] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  315.311415][ T6492] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  315.699595][ T6495] loop1: detected capacity change from 0 to 32768
[  315.716292][ T6495] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  315.723962][ T6495] CPU: 0 PID: 6495 Comm: syz.1.187 Not tainted syzkaller #0
[  315.731289][ T6495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  315.741379][ T6495] Call Trace:
[  315.744691][ T6495]  <TASK>
[  315.747671][ T6495]  dump_stack_lvl+0x16c/0x230
[  315.752412][ T6495]  ? show_regs_print_info+0x20/0x20
[  315.757656][ T6495]  ? load_image+0x3b0/0x3b0
[  315.762214][ T6495]  sysfs_create_dir_ns+0x256/0x280
[  315.767374][ T6495]  ? sysfs_warn_dup+0xa0/0xa0
[  315.772099][ T6495]  ? do_raw_spin_unlock+0x121/0x230
[  315.777344][ T6495]  kobject_add_internal+0x6b8/0xc70
[  315.782688][ T6495]  kobject_init_and_add+0x126/0x190
[  315.787937][ T6495]  ? lockdep_softirqs_off+0x430/0x430
[  315.793445][ T6495]  ? kobject_add+0x220/0x220
[  315.798080][ T6495]  ? __init_swait_queue_head+0xa9/0x150
[  315.803666][ T6495]  gfs2_sys_fs_add+0x238/0x470
[  315.808477][ T6495]  ? gfs2_recover_set+0x250/0x250
[  315.813552][ T6495]  ? apply_workqueue_attrs+0x180/0x180
[  315.819058][ T6495]  gfs2_fill_super+0x1323/0x1f80
[  315.824053][ T6495]  ? gfs2_reconfigure+0xb10/0xb10
[  315.829133][ T6495]  ? setup_bdev_super+0x56b/0x660
[  315.834200][ T6495]  get_tree_bdev+0x3e4/0x510
[  315.838807][ T6495]  ? end_current_label_crit_section+0x170/0x170
[  315.845073][ T6495]  ? gfs2_reconfigure+0xb10/0xb10
[  315.850117][ T6495]  ? setup_bdev_super+0x660/0x660
[  315.855162][ T6495]  gfs2_get_tree+0x51/0x1e0
[  315.859684][ T6495]  vfs_get_tree+0x8c/0x280
[  315.864117][ T6495]  do_new_mount+0x24b/0xa40
[  315.868639][ T6495]  __se_sys_mount+0x2da/0x3c0
[  315.873331][ T6495]  ? __x64_sys_mount+0xc0/0xc0
[  315.878109][ T6495]  ? lockdep_hardirqs_on+0x98/0x150
[  315.883320][ T6495]  ? __x64_sys_mount+0x20/0xc0
[  315.888112][ T6495]  do_syscall_64+0x55/0xb0
[  315.892535][ T6495]  ? clear_bhb_loop+0x40/0x90
[  315.897224][ T6495]  ? clear_bhb_loop+0x40/0x90
[  315.901915][ T6495]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  315.907818][ T6495] RIP: 0033:0x7fc072190eea
[  315.912245][ T6495] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  315.931958][ T6495] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  315.940387][ T6495] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  315.948394][ T6495] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  315.956378][ T6495] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  315.964371][ T6495] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  315.972350][ T6495] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  315.980349][ T6495]  </TASK>
[  315.993535][ T6495] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  316.007578][ T6495] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  316.405471][ T6498] loop1: detected capacity change from 0 to 32768
[  316.420236][ T6498] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  316.427972][ T6498] CPU: 0 PID: 6498 Comm: syz.1.188 Not tainted syzkaller #0
[  316.435302][ T6498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  316.445396][ T6498] Call Trace:
[  316.448715][ T6498]  <TASK>
[  316.451682][ T6498]  dump_stack_lvl+0x16c/0x230
[  316.456416][ T6498]  ? show_regs_print_info+0x20/0x20
[  316.461658][ T6498]  ? load_image+0x3b0/0x3b0
[  316.466213][ T6498]  sysfs_create_dir_ns+0x256/0x280
[  316.471389][ T6498]  ? sysfs_warn_dup+0xa0/0xa0
[  316.476107][ T6498]  ? do_raw_spin_unlock+0x121/0x230
[  316.481353][ T6498]  kobject_add_internal+0x6b8/0xc70
[  316.486606][ T6498]  kobject_init_and_add+0x126/0x190
[  316.491848][ T6498]  ? lockdep_softirqs_off+0x430/0x430
[  316.497249][ T6498]  ? kobject_add+0x220/0x220
[  316.501860][ T6498]  ? __init_swait_queue_head+0xa9/0x150
[  316.507418][ T6498]  gfs2_sys_fs_add+0x238/0x470
[  316.512198][ T6498]  ? gfs2_recover_set+0x250/0x250
[  316.517247][ T6498]  ? apply_workqueue_attrs+0x180/0x180
[  316.522731][ T6498]  gfs2_fill_super+0x1323/0x1f80
[  316.527699][ T6498]  ? gfs2_reconfigure+0xb10/0xb10
[  316.532746][ T6498]  ? setup_bdev_super+0x56b/0x660
[  316.537794][ T6498]  get_tree_bdev+0x3e4/0x510
[  316.542397][ T6498]  ? end_current_label_crit_section+0x170/0x170
[  316.548653][ T6498]  ? gfs2_reconfigure+0xb10/0xb10
[  316.553689][ T6498]  ? setup_bdev_super+0x660/0x660
[  316.558728][ T6498]  gfs2_get_tree+0x51/0x1e0
[  316.563254][ T6498]  vfs_get_tree+0x8c/0x280
[  316.567686][ T6498]  do_new_mount+0x24b/0xa40
[  316.572208][ T6498]  __se_sys_mount+0x2da/0x3c0
[  316.576900][ T6498]  ? __x64_sys_mount+0xc0/0xc0
[  316.581677][ T6498]  ? lockdep_hardirqs_on+0x98/0x150
[  316.586887][ T6498]  ? __x64_sys_mount+0x20/0xc0
[  316.591662][ T6498]  do_syscall_64+0x55/0xb0
[  316.596099][ T6498]  ? clear_bhb_loop+0x40/0x90
[  316.600793][ T6498]  ? clear_bhb_loop+0x40/0x90
[  316.605480][ T6498]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  316.611475][ T6498] RIP: 0033:0x7fc072190eea
[  316.615898][ T6498] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  316.635517][ T6498] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  316.643944][ T6498] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  316.651926][ T6498] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  316.659907][ T6498] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  316.667884][ T6498] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  316.675860][ T6498] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  316.683853][ T6498]  </TASK>
[  316.693836][ T6498] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  316.711481][ T6498] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/01 18:50:52 executed programs: 174
[  317.097027][ T6501] loop1: detected capacity change from 0 to 32768
[  317.116294][ T6501] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  317.123796][ T6501] CPU: 1 PID: 6501 Comm: syz.1.189 Not tainted syzkaller #0
[  317.131123][ T6501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  317.141214][ T6501] Call Trace:
[  317.144526][ T6501]  <TASK>
[  317.147503][ T6501]  dump_stack_lvl+0x16c/0x230
[  317.152238][ T6501]  ? show_regs_print_info+0x20/0x20
[  317.157483][ T6501]  ? load_image+0x3b0/0x3b0
[  317.162042][ T6501]  sysfs_create_dir_ns+0x256/0x280
[  317.167205][ T6501]  ? sysfs_warn_dup+0xa0/0xa0
[  317.171931][ T6501]  ? do_raw_spin_unlock+0x121/0x230
[  317.177177][ T6501]  kobject_add_internal+0x6b8/0xc70
[  317.182422][ T6501]  kobject_init_and_add+0x126/0x190
[  317.187673][ T6501]  ? lockdep_softirqs_off+0x430/0x430
[  317.193087][ T6501]  ? kobject_add+0x220/0x220
[  317.197726][ T6501]  ? __init_swait_queue_head+0xa9/0x150
[  317.203315][ T6501]  gfs2_sys_fs_add+0x238/0x470
[  317.208123][ T6501]  ? gfs2_recover_set+0x250/0x250
[  317.213199][ T6501]  ? apply_workqueue_attrs+0x180/0x180
[  317.218709][ T6501]  gfs2_fill_super+0x1323/0x1f80
[  317.223708][ T6501]  ? gfs2_reconfigure+0xb10/0xb10
[  317.228771][ T6501]  ? setup_bdev_super+0x56b/0x660
[  317.233807][ T6501]  get_tree_bdev+0x3e4/0x510
[  317.238404][ T6501]  ? end_current_label_crit_section+0x170/0x170
[  317.244659][ T6501]  ? gfs2_reconfigure+0xb10/0xb10
[  317.249699][ T6501]  ? setup_bdev_super+0x660/0x660
[  317.254740][ T6501]  gfs2_get_tree+0x51/0x1e0
[  317.259260][ T6501]  vfs_get_tree+0x8c/0x280
[  317.263690][ T6501]  do_new_mount+0x24b/0xa40
[  317.268207][ T6501]  __se_sys_mount+0x2da/0x3c0
[  317.272900][ T6501]  ? __x64_sys_mount+0xc0/0xc0
[  317.277678][ T6501]  ? lockdep_hardirqs_on+0x98/0x150
[  317.282893][ T6501]  ? __x64_sys_mount+0x20/0xc0
[  317.287671][ T6501]  do_syscall_64+0x55/0xb0
[  317.292098][ T6501]  ? clear_bhb_loop+0x40/0x90
[  317.296793][ T6501]  ? clear_bhb_loop+0x40/0x90
[  317.301483][ T6501]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  317.307391][ T6501] RIP: 0033:0x7fc072190eea
[  317.311821][ T6501] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  317.331451][ T6501] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  317.339900][ T6501] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  317.347904][ T6501] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  317.355905][ T6501] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  317.363890][ T6501] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  317.371870][ T6501] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  317.379887][ T6501]  </TASK>
[  317.394497][ T6501] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  317.398988][ T1286] ieee802154 phy0 wpan0: encryption failed: -22
[  317.415356][ T1286] ieee802154 phy1 wpan1: encryption failed: -22
[  317.421986][ T6501] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  317.819003][ T6504] loop1: detected capacity change from 0 to 32768
[  317.841685][ T6504] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  317.849237][ T6504] CPU: 0 PID: 6504 Comm: syz.1.190 Not tainted syzkaller #0
[  317.856564][ T6504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  317.866647][ T6504] Call Trace:
[  317.869960][ T6504]  <TASK>
[  317.872925][ T6504]  dump_stack_lvl+0x16c/0x230
[  317.877655][ T6504]  ? show_regs_print_info+0x20/0x20
[  317.882901][ T6504]  ? load_image+0x3b0/0x3b0
[  317.887460][ T6504]  sysfs_create_dir_ns+0x256/0x280
[  317.892619][ T6504]  ? sysfs_warn_dup+0xa0/0xa0
[  317.897341][ T6504]  ? do_raw_spin_unlock+0x121/0x230
[  317.902586][ T6504]  kobject_add_internal+0x6b8/0xc70
[  317.907836][ T6504]  kobject_init_and_add+0x126/0x190
[  317.913075][ T6504]  ? lockdep_softirqs_off+0x430/0x430
[  317.918480][ T6504]  ? kobject_add+0x220/0x220
[  317.923117][ T6504]  ? __init_swait_queue_head+0xa9/0x150
[  317.928708][ T6504]  gfs2_sys_fs_add+0x238/0x470
[  317.933515][ T6504]  ? gfs2_recover_set+0x250/0x250
[  317.938582][ T6504]  ? apply_workqueue_attrs+0x180/0x180
[  317.944088][ T6504]  gfs2_fill_super+0x1323/0x1f80
[  317.949064][ T6504]  ? gfs2_reconfigure+0xb10/0xb10
[  317.954114][ T6504]  ? setup_bdev_super+0x56b/0x660
[  317.959146][ T6504]  get_tree_bdev+0x3e4/0x510
[  317.963755][ T6504]  ? end_current_label_crit_section+0x170/0x170
[  317.970011][ T6504]  ? gfs2_reconfigure+0xb10/0xb10
[  317.975041][ T6504]  ? setup_bdev_super+0x660/0x660
[  317.980072][ T6504]  gfs2_get_tree+0x51/0x1e0
[  317.984579][ T6504]  vfs_get_tree+0x8c/0x280
[  317.989014][ T6504]  do_new_mount+0x24b/0xa40
[  317.993521][ T6504]  __se_sys_mount+0x2da/0x3c0
[  317.998209][ T6504]  ? __x64_sys_mount+0xc0/0xc0
[  318.002975][ T6504]  ? lockdep_hardirqs_on+0x98/0x150
[  318.008173][ T6504]  ? __x64_sys_mount+0x20/0xc0
[  318.012937][ T6504]  do_syscall_64+0x55/0xb0
[  318.017353][ T6504]  ? clear_bhb_loop+0x40/0x90
[  318.022028][ T6504]  ? clear_bhb_loop+0x40/0x90
[  318.026708][ T6504]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  318.032605][ T6504] RIP: 0033:0x7fc072190eea
[  318.037018][ T6504] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  318.056642][ T6504] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  318.065050][ T6504] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  318.073022][ T6504] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  318.080994][ T6504] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  318.088967][ T6504] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  318.096939][ T6504] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  318.104937][ T6504]  </TASK>
[  318.114039][ T6504] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  318.128671][ T6504] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  318.573420][ T6507] loop1: detected capacity change from 0 to 32768
[  318.589453][ T6507] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  318.598144][ T6507] CPU: 0 PID: 6507 Comm: syz.1.191 Not tainted syzkaller #0
[  318.605487][ T6507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  318.615578][ T6507] Call Trace:
[  318.618891][ T6507]  <TASK>
[  318.621856][ T6507]  dump_stack_lvl+0x16c/0x230
[  318.626589][ T6507]  ? show_regs_print_info+0x20/0x20
[  318.631837][ T6507]  ? load_image+0x3b0/0x3b0
[  318.636395][ T6507]  sysfs_create_dir_ns+0x256/0x280
[  318.641575][ T6507]  ? sysfs_warn_dup+0xa0/0xa0
[  318.646300][ T6507]  ? do_raw_spin_unlock+0x121/0x230
[  318.651548][ T6507]  kobject_add_internal+0x6b8/0xc70
[  318.656806][ T6507]  kobject_init_and_add+0x126/0x190
[  318.662049][ T6507]  ? lockdep_softirqs_off+0x430/0x430
[  318.667474][ T6507]  ? kobject_add+0x220/0x220
[  318.672113][ T6507]  ? __init_swait_queue_head+0xa9/0x150
[  318.677731][ T6507]  gfs2_sys_fs_add+0x238/0x470
[  318.682544][ T6507]  ? gfs2_recover_set+0x250/0x250
[  318.687621][ T6507]  ? apply_workqueue_attrs+0x180/0x180
[  318.693138][ T6507]  gfs2_fill_super+0x1323/0x1f80
[  318.698137][ T6507]  ? gfs2_reconfigure+0xb10/0xb10
[  318.703215][ T6507]  ? setup_bdev_super+0x56b/0x660
[  318.708287][ T6507]  get_tree_bdev+0x3e4/0x510
[  318.712916][ T6507]  ? end_current_label_crit_section+0x170/0x170
[  318.719206][ T6507]  ? gfs2_reconfigure+0xb10/0xb10
[  318.724278][ T6507]  ? setup_bdev_super+0x660/0x660
[  318.729307][ T6507]  gfs2_get_tree+0x51/0x1e0
[  318.733849][ T6507]  vfs_get_tree+0x8c/0x280
[  318.738282][ T6507]  do_new_mount+0x24b/0xa40
[  318.742797][ T6507]  __se_sys_mount+0x2da/0x3c0
[  318.747503][ T6507]  ? __x64_sys_mount+0xc0/0xc0
[  318.752385][ T6507]  ? lockdep_hardirqs_on+0x98/0x150
[  318.757587][ T6507]  ? __x64_sys_mount+0x20/0xc0
[  318.762380][ T6507]  do_syscall_64+0x55/0xb0
[  318.766810][ T6507]  ? clear_bhb_loop+0x40/0x90
[  318.771514][ T6507]  ? clear_bhb_loop+0x40/0x90
[  318.776193][ T6507]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  318.782083][ T6507] RIP: 0033:0x7fc072190eea
[  318.786515][ T6507] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  318.806170][ T6507] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  318.814637][ T6507] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  318.822657][ T6507] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  318.830637][ T6507] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  318.838613][ T6507] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  318.846614][ T6507] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  318.854633][ T6507]  </TASK>
[  318.858826][ T6507] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  318.873164][ T6507] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  319.299862][ T6510] loop1: detected capacity change from 0 to 32768
[  319.314325][ T6510] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  319.321850][ T6510] CPU: 1 PID: 6510 Comm: syz.1.192 Not tainted syzkaller #0
[  319.329182][ T6510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  319.339272][ T6510] Call Trace:
[  319.342587][ T6510]  <TASK>
[  319.345549][ T6510]  dump_stack_lvl+0x16c/0x230
[  319.350282][ T6510]  ? show_regs_print_info+0x20/0x20
[  319.355531][ T6510]  ? load_image+0x3b0/0x3b0
[  319.360089][ T6510]  sysfs_create_dir_ns+0x256/0x280
[  319.365253][ T6510]  ? sysfs_warn_dup+0xa0/0xa0
[  319.369980][ T6510]  ? do_raw_spin_unlock+0x121/0x230
[  319.375224][ T6510]  kobject_add_internal+0x6b8/0xc70
[  319.380462][ T6510]  kobject_init_and_add+0x126/0x190
[  319.385686][ T6510]  ? lockdep_softirqs_off+0x430/0x430
[  319.391073][ T6510]  ? kobject_add+0x220/0x220
[  319.395679][ T6510]  ? __init_swait_queue_head+0xa9/0x150
[  319.401241][ T6510]  gfs2_sys_fs_add+0x238/0x470
[  319.406021][ T6510]  ? gfs2_recover_set+0x250/0x250
[  319.411075][ T6510]  ? apply_workqueue_attrs+0x180/0x180
[  319.416556][ T6510]  gfs2_fill_super+0x1323/0x1f80
[  319.421521][ T6510]  ? gfs2_reconfigure+0xb10/0xb10
[  319.426569][ T6510]  ? setup_bdev_super+0x56b/0x660
[  319.431609][ T6510]  get_tree_bdev+0x3e4/0x510
[  319.436212][ T6510]  ? end_current_label_crit_section+0x170/0x170
[  319.442462][ T6510]  ? gfs2_reconfigure+0xb10/0xb10
[  319.447507][ T6510]  ? setup_bdev_super+0x660/0x660
[  319.452547][ T6510]  gfs2_get_tree+0x51/0x1e0
[  319.457091][ T6510]  vfs_get_tree+0x8c/0x280
[  319.461544][ T6510]  do_new_mount+0x24b/0xa40
[  319.466085][ T6510]  __se_sys_mount+0x2da/0x3c0
[  319.470799][ T6510]  ? __x64_sys_mount+0xc0/0xc0
[  319.475585][ T6510]  ? lockdep_hardirqs_on+0x98/0x150
[  319.480801][ T6510]  ? __x64_sys_mount+0x20/0xc0
[  319.485583][ T6510]  do_syscall_64+0x55/0xb0
[  319.490013][ T6510]  ? clear_bhb_loop+0x40/0x90
[  319.494705][ T6510]  ? clear_bhb_loop+0x40/0x90
[  319.499398][ T6510]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  319.505307][ T6510] RIP: 0033:0x7fc072190eea
[  319.509735][ T6510] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  319.529367][ T6510] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  319.537805][ T6510] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  319.545801][ T6510] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  319.553792][ T6510] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  319.561782][ T6510] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  319.569768][ T6510] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  319.577770][ T6510]  </TASK>
[  319.587584][ T6510] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  319.599676][ T5083] Bluetooth: hci1: command 0x0406 tx timeout
[  319.603162][ T6510] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  320.003773][ T6514] loop1: detected capacity change from 0 to 32768
[  320.026313][ T6514] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  320.033741][ T6514] CPU: 1 PID: 6514 Comm: syz.1.193 Not tainted syzkaller #0
[  320.041041][ T6514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  320.051103][ T6514] Call Trace:
[  320.054392][ T6514]  <TASK>
[  320.057333][ T6514]  dump_stack_lvl+0x16c/0x230
[  320.062037][ T6514]  ? show_regs_print_info+0x20/0x20
[  320.067252][ T6514]  ? load_image+0x3b0/0x3b0
[  320.071790][ T6514]  sysfs_create_dir_ns+0x256/0x280
[  320.076926][ T6514]  ? sysfs_warn_dup+0xa0/0xa0
[  320.081618][ T6514]  ? do_raw_spin_unlock+0x121/0x230
[  320.086833][ T6514]  kobject_add_internal+0x6b8/0xc70
[  320.092053][ T6514]  kobject_init_and_add+0x126/0x190
[  320.097282][ T6514]  ? lockdep_softirqs_off+0x430/0x430
[  320.102677][ T6514]  ? kobject_add+0x220/0x220
[  320.107309][ T6514]  ? __init_swait_queue_head+0xa9/0x150
[  320.112890][ T6514]  gfs2_sys_fs_add+0x238/0x470
[  320.117680][ T6514]  ? gfs2_recover_set+0x250/0x250
[  320.122739][ T6514]  ? apply_workqueue_attrs+0x180/0x180
[  320.128234][ T6514]  gfs2_fill_super+0x1323/0x1f80
[  320.133207][ T6514]  ? gfs2_reconfigure+0xb10/0xb10
[  320.138263][ T6514]  ? setup_bdev_super+0x56b/0x660
[  320.143305][ T6514]  get_tree_bdev+0x3e4/0x510
[  320.147909][ T6514]  ? end_current_label_crit_section+0x170/0x170
[  320.154162][ T6514]  ? gfs2_reconfigure+0xb10/0xb10
[  320.159220][ T6514]  ? setup_bdev_super+0x660/0x660
[  320.164295][ T6514]  gfs2_get_tree+0x51/0x1e0
[  320.168833][ T6514]  vfs_get_tree+0x8c/0x280
[  320.173266][ T6514]  do_new_mount+0x24b/0xa40
[  320.177796][ T6514]  __se_sys_mount+0x2da/0x3c0
[  320.182504][ T6514]  ? __x64_sys_mount+0xc0/0xc0
[  320.187315][ T6514]  ? lockdep_hardirqs_on+0x98/0x150
[  320.192534][ T6514]  ? __x64_sys_mount+0x20/0xc0
[  320.197316][ T6514]  do_syscall_64+0x55/0xb0
[  320.201746][ T6514]  ? clear_bhb_loop+0x40/0x90
[  320.206442][ T6514]  ? clear_bhb_loop+0x40/0x90
[  320.211162][ T6514]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  320.217080][ T6514] RIP: 0033:0x7fc072190eea
[  320.221523][ T6514] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  320.241165][ T6514] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  320.249603][ T6514] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  320.257595][ T6514] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  320.265580][ T6514] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  320.273566][ T6514] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  320.281558][ T6514] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  320.289571][ T6514]  </TASK>
[  320.303605][ T6514] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  320.325735][ T6514] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  320.724397][ T6517] loop1: detected capacity change from 0 to 32768
[  320.744592][ T6517] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  320.752171][ T6517] CPU: 0 PID: 6517 Comm: syz.1.194 Not tainted syzkaller #0
[  320.759500][ T6517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  320.769592][ T6517] Call Trace:
[  320.772909][ T6517]  <TASK>
[  320.775867][ T6517]  dump_stack_lvl+0x16c/0x230
[  320.780599][ T6517]  ? show_regs_print_info+0x20/0x20
[  320.785840][ T6517]  ? load_image+0x3b0/0x3b0
[  320.790396][ T6517]  sysfs_create_dir_ns+0x256/0x280
[  320.795567][ T6517]  ? sysfs_warn_dup+0xa0/0xa0
[  320.800299][ T6517]  ? do_raw_spin_unlock+0x121/0x230
[  320.805551][ T6517]  kobject_add_internal+0x6b8/0xc70
[  320.810802][ T6517]  kobject_init_and_add+0x126/0x190
[  320.816037][ T6517]  ? lockdep_softirqs_off+0x430/0x430
[  320.821452][ T6517]  ? kobject_add+0x220/0x220
[  320.826084][ T6517]  ? __init_swait_queue_head+0xa9/0x150
[  320.831668][ T6517]  gfs2_sys_fs_add+0x238/0x470
[  320.836472][ T6517]  ? gfs2_recover_set+0x250/0x250
[  320.841536][ T6517]  ? apply_workqueue_attrs+0x180/0x180
[  320.847047][ T6517]  gfs2_fill_super+0x1323/0x1f80
[  320.852037][ T6517]  ? gfs2_reconfigure+0xb10/0xb10
[  320.857077][ T6517]  ? setup_bdev_super+0x56b/0x660
[  320.862098][ T6517]  get_tree_bdev+0x3e4/0x510
[  320.866688][ T6517]  ? end_current_label_crit_section+0x170/0x170
[  320.872929][ T6517]  ? gfs2_reconfigure+0xb10/0xb10
[  320.877952][ T6517]  ? setup_bdev_super+0x660/0x660
[  320.882997][ T6517]  gfs2_get_tree+0x51/0x1e0
[  320.887504][ T6517]  vfs_get_tree+0x8c/0x280
[  320.891919][ T6517]  do_new_mount+0x24b/0xa40
[  320.896431][ T6517]  __se_sys_mount+0x2da/0x3c0
[  320.901107][ T6517]  ? __x64_sys_mount+0xc0/0xc0
[  320.905863][ T6517]  ? lockdep_hardirqs_on+0x98/0x150
[  320.911079][ T6517]  ? __x64_sys_mount+0x20/0xc0
[  320.915839][ T6517]  do_syscall_64+0x55/0xb0
[  320.920265][ T6517]  ? clear_bhb_loop+0x40/0x90
[  320.924939][ T6517]  ? clear_bhb_loop+0x40/0x90
[  320.929614][ T6517]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  320.935505][ T6517] RIP: 0033:0x7fc072190eea
[  320.939933][ T6517] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  320.959536][ T6517] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  320.967963][ T6517] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  320.975940][ T6517] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  320.983996][ T6517] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  320.991963][ T6517] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  320.999932][ T6517] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  321.007911][ T6517]  </TASK>
[  321.014467][ T6517] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  321.028861][ T6517] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  321.436702][ T6520] loop1: detected capacity change from 0 to 32768
[  321.447092][ T6520] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  321.454523][ T6520] CPU: 1 PID: 6520 Comm: syz.1.195 Not tainted syzkaller #0
[  321.461843][ T6520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  321.471948][ T6520] Call Trace:
[  321.475257][ T6520]  <TASK>
[  321.478219][ T6520]  dump_stack_lvl+0x16c/0x230
[  321.482946][ T6520]  ? show_regs_print_info+0x20/0x20
[  321.488193][ T6520]  ? load_image+0x3b0/0x3b0
[  321.492757][ T6520]  sysfs_create_dir_ns+0x256/0x280
[  321.497915][ T6520]  ? sysfs_warn_dup+0xa0/0xa0
[  321.502634][ T6520]  ? do_raw_spin_unlock+0x121/0x230
[  321.507881][ T6520]  kobject_add_internal+0x6b8/0xc70
[  321.513131][ T6520]  kobject_init_and_add+0x126/0x190
[  321.518376][ T6520]  ? lockdep_softirqs_off+0x430/0x430
[  321.523832][ T6520]  ? kobject_add+0x220/0x220
[  321.528467][ T6520]  ? __init_swait_queue_head+0xa9/0x150
[  321.534052][ T6520]  gfs2_sys_fs_add+0x238/0x470
[  321.538859][ T6520]  ? gfs2_recover_set+0x250/0x250
[  321.543927][ T6520]  ? apply_workqueue_attrs+0x180/0x180
[  321.549438][ T6520]  gfs2_fill_super+0x1323/0x1f80
[  321.554430][ T6520]  ? gfs2_reconfigure+0xb10/0xb10
[  321.559508][ T6520]  ? setup_bdev_super+0x56b/0x660
[  321.564566][ T6520]  get_tree_bdev+0x3e4/0x510
[  321.569185][ T6520]  ? end_current_label_crit_section+0x170/0x170
[  321.575471][ T6520]  ? gfs2_reconfigure+0xb10/0xb10
[  321.580526][ T6520]  ? setup_bdev_super+0x660/0x660
[  321.585555][ T6520]  gfs2_get_tree+0x51/0x1e0
[  321.590061][ T6520]  vfs_get_tree+0x8c/0x280
[  321.594475][ T6520]  do_new_mount+0x24b/0xa40
[  321.598975][ T6520]  __se_sys_mount+0x2da/0x3c0
[  321.603651][ T6520]  ? __x64_sys_mount+0xc0/0xc0
[  321.608416][ T6520]  ? lockdep_hardirqs_on+0x98/0x150
[  321.613612][ T6520]  ? __x64_sys_mount+0x20/0xc0
[  321.618373][ T6520]  do_syscall_64+0x55/0xb0
[  321.622780][ T6520]  ? clear_bhb_loop+0x40/0x90
[  321.627451][ T6520]  ? clear_bhb_loop+0x40/0x90
[  321.632122][ T6520]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  321.638011][ T6520] RIP: 0033:0x7fc072190eea
[  321.642419][ T6520] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  321.662022][ T6520] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  321.670432][ T6520] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  321.678399][ T6520] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  321.686367][ T6520] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  321.694332][ T6520] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  321.702300][ T6520] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  321.710278][ T6520]  </TASK>
[  321.714258][ T6520] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  321.729069][ T6520] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/01 18:50:57 executed programs: 181
[  322.180597][ T6523] loop1: detected capacity change from 0 to 32768
[  322.197131][ T6523] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  322.204575][ T6523] CPU: 1 PID: 6523 Comm: syz.1.196 Not tainted syzkaller #0
[  322.211900][ T6523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  322.221996][ T6523] Call Trace:
[  322.225304][ T6523]  <TASK>
[  322.228271][ T6523]  dump_stack_lvl+0x16c/0x230
[  322.233004][ T6523]  ? show_regs_print_info+0x20/0x20
[  322.238249][ T6523]  ? load_image+0x3b0/0x3b0
[  322.242805][ T6523]  sysfs_create_dir_ns+0x256/0x280
[  322.247960][ T6523]  ? sysfs_warn_dup+0xa0/0xa0
[  322.252686][ T6523]  ? do_raw_spin_unlock+0x121/0x230
[  322.257929][ T6523]  kobject_add_internal+0x6b8/0xc70
[  322.263184][ T6523]  kobject_init_and_add+0x126/0x190
[  322.268438][ T6523]  ? lockdep_softirqs_off+0x430/0x430
[  322.273851][ T6523]  ? kobject_add+0x220/0x220
[  322.278487][ T6523]  ? __init_swait_queue_head+0xa9/0x150
[  322.284077][ T6523]  gfs2_sys_fs_add+0x238/0x470
[  322.288881][ T6523]  ? gfs2_recover_set+0x250/0x250
[  322.293955][ T6523]  ? apply_workqueue_attrs+0x180/0x180
[  322.299465][ T6523]  gfs2_fill_super+0x1323/0x1f80
[  322.304466][ T6523]  ? gfs2_reconfigure+0xb10/0xb10
[  322.309536][ T6523]  ? setup_bdev_super+0x56b/0x660
[  322.314575][ T6523]  get_tree_bdev+0x3e4/0x510
[  322.319177][ T6523]  ? end_current_label_crit_section+0x170/0x170
[  322.325439][ T6523]  ? gfs2_reconfigure+0xb10/0xb10
[  322.330482][ T6523]  ? setup_bdev_super+0x660/0x660
[  322.335548][ T6523]  gfs2_get_tree+0x51/0x1e0
[  322.340089][ T6523]  vfs_get_tree+0x8c/0x280
[  322.344531][ T6523]  do_new_mount+0x24b/0xa40
[  322.349075][ T6523]  __se_sys_mount+0x2da/0x3c0
[  322.353776][ T6523]  ? __x64_sys_mount+0xc0/0xc0
[  322.358557][ T6523]  ? lockdep_hardirqs_on+0x98/0x150
[  322.363772][ T6523]  ? __x64_sys_mount+0x20/0xc0
[  322.368552][ T6523]  do_syscall_64+0x55/0xb0
[  322.372976][ T6523]  ? clear_bhb_loop+0x40/0x90
[  322.377667][ T6523]  ? clear_bhb_loop+0x40/0x90
[  322.382359][ T6523]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  322.388263][ T6523] RIP: 0033:0x7fc072190eea
[  322.392704][ T6523] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  322.412324][ T6523] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  322.420753][ T6523] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  322.428738][ T6523] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  322.436722][ T6523] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  322.444708][ T6523] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  322.452686][ T6523] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  322.460691][ T6523]  </TASK>
[  322.476449][ T6523] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  322.493649][ T6523] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  322.896585][ T6526] loop1: detected capacity change from 0 to 32768
[  322.910897][ T6526] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  322.919150][ T6526] CPU: 1 PID: 6526 Comm: syz.1.197 Not tainted syzkaller #0
[  322.926501][ T6526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  322.936596][ T6526] Call Trace:
[  322.939908][ T6526]  <TASK>
[  322.942873][ T6526]  dump_stack_lvl+0x16c/0x230
[  322.947600][ T6526]  ? show_regs_print_info+0x20/0x20
[  322.952847][ T6526]  ? load_image+0x3b0/0x3b0
[  322.957407][ T6526]  sysfs_create_dir_ns+0x256/0x280
[  322.962574][ T6526]  ? sysfs_warn_dup+0xa0/0xa0
[  322.967306][ T6526]  ? do_raw_spin_unlock+0x121/0x230
[  322.972523][ T6526]  kobject_add_internal+0x6b8/0xc70
[  322.977742][ T6526]  kobject_init_and_add+0x126/0x190
[  322.982956][ T6526]  ? lockdep_softirqs_off+0x430/0x430
[  322.988340][ T6526]  ? kobject_add+0x220/0x220
[  322.992947][ T6526]  ? __init_swait_queue_head+0xa9/0x150
[  322.998505][ T6526]  gfs2_sys_fs_add+0x238/0x470
[  323.003285][ T6526]  ? gfs2_recover_set+0x250/0x250
[  323.008328][ T6526]  ? apply_workqueue_attrs+0x180/0x180
[  323.013807][ T6526]  gfs2_fill_super+0x1323/0x1f80
[  323.018774][ T6526]  ? gfs2_reconfigure+0xb10/0xb10
[  323.023820][ T6526]  ? setup_bdev_super+0x56b/0x660
[  323.028859][ T6526]  get_tree_bdev+0x3e4/0x510
[  323.033463][ T6526]  ? end_current_label_crit_section+0x170/0x170
[  323.039829][ T6526]  ? gfs2_reconfigure+0xb10/0xb10
[  323.044891][ T6526]  ? setup_bdev_super+0x660/0x660
[  323.049960][ T6526]  gfs2_get_tree+0x51/0x1e0
[  323.054504][ T6526]  vfs_get_tree+0x8c/0x280
[  323.058944][ T6526]  do_new_mount+0x24b/0xa40
[  323.063473][ T6526]  __se_sys_mount+0x2da/0x3c0
[  323.068166][ T6526]  ? __x64_sys_mount+0xc0/0xc0
[  323.072945][ T6526]  ? lockdep_hardirqs_on+0x98/0x150
[  323.078157][ T6526]  ? __x64_sys_mount+0x20/0xc0
[  323.082930][ T6526]  do_syscall_64+0x55/0xb0
[  323.087356][ T6526]  ? clear_bhb_loop+0x40/0x90
[  323.092050][ T6526]  ? clear_bhb_loop+0x40/0x90
[  323.096745][ T6526]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  323.102651][ T6526] RIP: 0033:0x7fc072190eea
[  323.107076][ T6526] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  323.126692][ T6526] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  323.135131][ T6526] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  323.143113][ T6526] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  323.151097][ T6526] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  323.159078][ T6526] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  323.167058][ T6526] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  323.175053][ T6526]  </TASK>
[  323.184571][ T6526] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  323.203146][ T6526] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  323.592436][ T6529] loop1: detected capacity change from 0 to 32768
[  323.608789][ T6529] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  323.616360][ T6529] CPU: 1 PID: 6529 Comm: syz.1.198 Not tainted syzkaller #0
[  323.623689][ T6529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  323.633776][ T6529] Call Trace:
[  323.637092][ T6529]  <TASK>
[  323.640053][ T6529]  dump_stack_lvl+0x16c/0x230
[  323.644792][ T6529]  ? show_regs_print_info+0x20/0x20
[  323.650048][ T6529]  ? load_image+0x3b0/0x3b0
[  323.654608][ T6529]  sysfs_create_dir_ns+0x256/0x280
[  323.659774][ T6529]  ? sysfs_warn_dup+0xa0/0xa0
[  323.664498][ T6529]  ? do_raw_spin_unlock+0x121/0x230
[  323.669746][ T6529]  kobject_add_internal+0x6b8/0xc70
[  323.675012][ T6529]  kobject_init_and_add+0x126/0x190
[  323.680268][ T6529]  ? lockdep_softirqs_off+0x430/0x430
[  323.685697][ T6529]  ? kobject_add+0x220/0x220
[  323.690345][ T6529]  ? __init_swait_queue_head+0xa9/0x150
[  323.695919][ T6529]  gfs2_sys_fs_add+0x238/0x470
[  323.700710][ T6529]  ? gfs2_recover_set+0x250/0x250
[  323.705769][ T6529]  ? apply_workqueue_attrs+0x180/0x180
[  323.711261][ T6529]  gfs2_fill_super+0x1323/0x1f80
[  323.716233][ T6529]  ? gfs2_reconfigure+0xb10/0xb10
[  323.721282][ T6529]  ? setup_bdev_super+0x56b/0x660
[  323.726324][ T6529]  get_tree_bdev+0x3e4/0x510
[  323.730929][ T6529]  ? end_current_label_crit_section+0x170/0x170
[  323.737182][ T6529]  ? gfs2_reconfigure+0xb10/0xb10
[  323.742217][ T6529]  ? setup_bdev_super+0x660/0x660
[  323.747258][ T6529]  gfs2_get_tree+0x51/0x1e0
[  323.751792][ T6529]  vfs_get_tree+0x8c/0x280
[  323.756219][ T6529]  do_new_mount+0x24b/0xa40
[  323.760742][ T6529]  __se_sys_mount+0x2da/0x3c0
[  323.765436][ T6529]  ? __x64_sys_mount+0xc0/0xc0
[  323.770218][ T6529]  ? lockdep_hardirqs_on+0x98/0x150
[  323.775430][ T6529]  ? __x64_sys_mount+0x20/0xc0
[  323.780208][ T6529]  do_syscall_64+0x55/0xb0
[  323.784637][ T6529]  ? clear_bhb_loop+0x40/0x90
[  323.789341][ T6529]  ? clear_bhb_loop+0x40/0x90
[  323.794029][ T6529]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  323.799934][ T6529] RIP: 0033:0x7fc072190eea
[  323.804358][ 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
[  323.823978][ T6529] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  323.832402][ T6529] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  323.840386][ T6529] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  323.848368][ T6529] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  323.856351][ T6529] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  323.864329][ T6529] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  323.872332][ T6529]  </TASK>
[  323.886135][ 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.
[  323.900392][ T6529] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  324.283536][ T6532] loop1: detected capacity change from 0 to 32768
[  324.301648][ T6532] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  324.309227][ T6532] CPU: 0 PID: 6532 Comm: syz.1.199 Not tainted syzkaller #0
[  324.316554][ T6532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  324.326642][ T6532] Call Trace:
[  324.329951][ T6532]  <TASK>
[  324.332913][ T6532]  dump_stack_lvl+0x16c/0x230
[  324.337644][ T6532]  ? show_regs_print_info+0x20/0x20
[  324.342888][ T6532]  ? load_image+0x3b0/0x3b0
[  324.347446][ T6532]  sysfs_create_dir_ns+0x256/0x280
[  324.352614][ T6532]  ? sysfs_warn_dup+0xa0/0xa0
[  324.357345][ T6532]  ? do_raw_spin_unlock+0x121/0x230
[  324.362593][ T6532]  kobject_add_internal+0x6b8/0xc70
[  324.367841][ T6532]  kobject_init_and_add+0x126/0x190
[  324.373078][ T6532]  ? lockdep_softirqs_off+0x430/0x430
[  324.378497][ T6532]  ? kobject_add+0x220/0x220
[  324.383140][ T6532]  ? __init_swait_queue_head+0xa9/0x150
[  324.388725][ T6532]  gfs2_sys_fs_add+0x238/0x470
[  324.393539][ T6532]  ? gfs2_recover_set+0x250/0x250
[  324.398613][ T6532]  ? apply_workqueue_attrs+0x180/0x180
[  324.404120][ T6532]  gfs2_fill_super+0x1323/0x1f80
[  324.409115][ T6532]  ? gfs2_reconfigure+0xb10/0xb10
[  324.414170][ T6532]  ? setup_bdev_super+0x56b/0x660
[  324.419209][ T6532]  get_tree_bdev+0x3e4/0x510
[  324.423826][ T6532]  ? end_current_label_crit_section+0x170/0x170
[  324.430083][ T6532]  ? gfs2_reconfigure+0xb10/0xb10
[  324.435121][ T6532]  ? setup_bdev_super+0x660/0x660
[  324.440166][ T6532]  gfs2_get_tree+0x51/0x1e0
[  324.444709][ T6532]  vfs_get_tree+0x8c/0x280
[  324.449155][ T6532]  do_new_mount+0x24b/0xa40
[  324.453691][ T6532]  __se_sys_mount+0x2da/0x3c0
[  324.458394][ T6532]  ? __x64_sys_mount+0xc0/0xc0
[  324.463180][ T6532]  ? lockdep_hardirqs_on+0x98/0x150
[  324.468396][ T6532]  ? __x64_sys_mount+0x20/0xc0
[  324.473175][ T6532]  do_syscall_64+0x55/0xb0
[  324.477603][ T6532]  ? clear_bhb_loop+0x40/0x90
[  324.482294][ T6532]  ? clear_bhb_loop+0x40/0x90
[  324.486994][ T6532]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  324.492899][ T6532] RIP: 0033:0x7fc072190eea
[  324.497327][ 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
[  324.516949][ T6532] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  324.525376][ T6532] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  324.533356][ T6532] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  324.541337][ T6532] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  324.549318][ T6532] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  324.557298][ T6532] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  324.565287][ T6532]  </TASK>
[  324.577133][ 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.
[  324.591948][ T6532] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  325.037438][ T6535] loop1: detected capacity change from 0 to 32768
[  325.056260][ T6535] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  325.063706][ T6535] CPU: 1 PID: 6535 Comm: syz.1.200 Not tainted syzkaller #0
[  325.071027][ T6535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  325.081113][ T6535] Call Trace:
[  325.084427][ T6535]  <TASK>
[  325.087388][ T6535]  dump_stack_lvl+0x16c/0x230
[  325.092122][ T6535]  ? show_regs_print_info+0x20/0x20
[  325.097363][ T6535]  ? load_image+0x3b0/0x3b0
[  325.101918][ T6535]  sysfs_create_dir_ns+0x256/0x280
[  325.107078][ T6535]  ? sysfs_warn_dup+0xa0/0xa0
[  325.111790][ T6535]  ? do_raw_spin_unlock+0x121/0x230
[  325.117010][ T6535]  kobject_add_internal+0x6b8/0xc70
[  325.122245][ T6535]  kobject_init_and_add+0x126/0x190
[  325.127456][ T6535]  ? lockdep_softirqs_off+0x430/0x430
[  325.132843][ T6535]  ? kobject_add+0x220/0x220
[  325.137453][ T6535]  ? __init_swait_queue_head+0xa9/0x150
[  325.143015][ T6535]  gfs2_sys_fs_add+0x238/0x470
[  325.147795][ T6535]  ? gfs2_recover_set+0x250/0x250
[  325.152839][ T6535]  ? apply_workqueue_attrs+0x180/0x180
[  325.158354][ T6535]  gfs2_fill_super+0x1323/0x1f80
[  325.163319][ T6535]  ? gfs2_reconfigure+0xb10/0xb10
[  325.168366][ T6535]  ? setup_bdev_super+0x56b/0x660
[  325.173403][ T6535]  get_tree_bdev+0x3e4/0x510
[  325.178005][ T6535]  ? end_current_label_crit_section+0x170/0x170
[  325.184260][ T6535]  ? gfs2_reconfigure+0xb10/0xb10
[  325.189306][ T6535]  ? setup_bdev_super+0x660/0x660
[  325.194357][ T6535]  gfs2_get_tree+0x51/0x1e0
[  325.198880][ T6535]  vfs_get_tree+0x8c/0x280
[  325.203311][ T6535]  do_new_mount+0x24b/0xa40
[  325.207837][ T6535]  __se_sys_mount+0x2da/0x3c0
[  325.212533][ T6535]  ? __x64_sys_mount+0xc0/0xc0
[  325.217332][ T6535]  ? lockdep_hardirqs_on+0x98/0x150
[  325.222540][ T6535]  ? __x64_sys_mount+0x20/0xc0
[  325.227347][ T6535]  do_syscall_64+0x55/0xb0
[  325.231769][ T6535]  ? clear_bhb_loop+0x40/0x90
[  325.236463][ T6535]  ? clear_bhb_loop+0x40/0x90
[  325.241155][ T6535]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  325.247061][ T6535] RIP: 0033:0x7fc072190eea
[  325.251488][ 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
[  325.271216][ T6535] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  325.279657][ T6535] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  325.287652][ T6535] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  325.295642][ T6535] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  325.303638][ T6535] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  325.311633][ T6535] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  325.319642][ T6535]  </TASK>
[  325.328986][ 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.
[  325.343880][ T6535] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  325.735990][ T6538] loop1: detected capacity change from 0 to 32768
[  325.756318][ T6538] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  325.763763][ T6538] CPU: 1 PID: 6538 Comm: syz.1.201 Not tainted syzkaller #0
[  325.771085][ T6538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  325.781173][ T6538] Call Trace:
[  325.784484][ T6538]  <TASK>
[  325.787445][ T6538]  dump_stack_lvl+0x16c/0x230
[  325.792173][ T6538]  ? show_regs_print_info+0x20/0x20
[  325.797414][ T6538]  ? load_image+0x3b0/0x3b0
[  325.801970][ T6538]  sysfs_create_dir_ns+0x256/0x280
[  325.807131][ T6538]  ? sysfs_warn_dup+0xa0/0xa0
[  325.811861][ T6538]  ? do_raw_spin_unlock+0x121/0x230
[  325.817107][ T6538]  kobject_add_internal+0x6b8/0xc70
[  325.822346][ T6538]  kobject_init_and_add+0x126/0x190
[  325.827561][ T6538]  ? lockdep_softirqs_off+0x430/0x430
[  325.832950][ T6538]  ? kobject_add+0x220/0x220
[  325.837559][ T6538]  ? __init_swait_queue_head+0xa9/0x150
[  325.843119][ T6538]  gfs2_sys_fs_add+0x238/0x470
[  325.847899][ T6538]  ? gfs2_recover_set+0x250/0x250
[  325.852943][ T6538]  ? apply_workqueue_attrs+0x180/0x180
[  325.858426][ T6538]  gfs2_fill_super+0x1323/0x1f80
[  325.863394][ T6538]  ? gfs2_reconfigure+0xb10/0xb10
[  325.868446][ T6538]  ? setup_bdev_super+0x56b/0x660
[  325.873482][ T6538]  get_tree_bdev+0x3e4/0x510
[  325.878085][ T6538]  ? end_current_label_crit_section+0x170/0x170
[  325.884340][ T6538]  ? gfs2_reconfigure+0xb10/0xb10
[  325.889377][ T6538]  ? setup_bdev_super+0x660/0x660
[  325.894421][ T6538]  gfs2_get_tree+0x51/0x1e0
[  325.898942][ T6538]  vfs_get_tree+0x8c/0x280
[  325.903371][ T6538]  do_new_mount+0x24b/0xa40
[  325.907894][ T6538]  __se_sys_mount+0x2da/0x3c0
[  325.912588][ T6538]  ? __x64_sys_mount+0xc0/0xc0
[  325.917367][ T6538]  ? lockdep_hardirqs_on+0x98/0x150
[  325.922580][ T6538]  ? __x64_sys_mount+0x20/0xc0
[  325.927357][ T6538]  do_syscall_64+0x55/0xb0
[  325.931783][ T6538]  ? clear_bhb_loop+0x40/0x90
[  325.936470][ T6538]  ? clear_bhb_loop+0x40/0x90
[  325.941159][ T6538]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  325.947066][ T6538] RIP: 0033:0x7fc072190eea
[  325.951490][ T6538] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  325.971108][ T6538] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  325.979535][ T6538] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  325.987518][ T6538] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  325.995499][ T6538] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  326.003480][ T6538] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  326.011464][ T6538] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  326.019463][ T6538]  </TASK>
[  326.023543][ T6538] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  326.037643][ T6538] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  326.414626][ T6541] loop1: detected capacity change from 0 to 32768
[  326.437272][ T6541] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  326.444721][ T6541] CPU: 1 PID: 6541 Comm: syz.1.202 Not tainted syzkaller #0
[  326.452041][ T6541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  326.462133][ T6541] Call Trace:
[  326.465448][ T6541]  <TASK>
[  326.468423][ T6541]  dump_stack_lvl+0x16c/0x230
[  326.473158][ T6541]  ? show_regs_print_info+0x20/0x20
[  326.478402][ T6541]  ? load_image+0x3b0/0x3b0
[  326.482969][ T6541]  sysfs_create_dir_ns+0x256/0x280
[  326.488129][ T6541]  ? sysfs_warn_dup+0xa0/0xa0
[  326.492852][ T6541]  ? do_raw_spin_unlock+0x121/0x230
[  326.498194][ T6541]  kobject_add_internal+0x6b8/0xc70
[  326.503456][ T6541]  kobject_init_and_add+0x126/0x190
[  326.508703][ T6541]  ? lockdep_softirqs_off+0x430/0x430
[  326.514124][ T6541]  ? kobject_add+0x220/0x220
[  326.518762][ T6541]  ? __init_swait_queue_head+0xa9/0x150
[  326.524349][ T6541]  gfs2_sys_fs_add+0x238/0x470
[  326.529165][ T6541]  ? gfs2_recover_set+0x250/0x250
[  326.534329][ T6541]  ? apply_workqueue_attrs+0x180/0x180
[  326.539827][ T6541]  gfs2_fill_super+0x1323/0x1f80
[  326.544798][ T6541]  ? gfs2_reconfigure+0xb10/0xb10
[  326.549848][ T6541]  ? setup_bdev_super+0x56b/0x660
[  326.554887][ T6541]  get_tree_bdev+0x3e4/0x510
[  326.559485][ T6541]  ? end_current_label_crit_section+0x170/0x170
[  326.565740][ T6541]  ? gfs2_reconfigure+0xb10/0xb10
[  326.570789][ T6541]  ? setup_bdev_super+0x660/0x660
[  326.575836][ T6541]  gfs2_get_tree+0x51/0x1e0
[  326.580355][ T6541]  vfs_get_tree+0x8c/0x280
[  326.584784][ T6541]  do_new_mount+0x24b/0xa40
[  326.589304][ T6541]  __se_sys_mount+0x2da/0x3c0
[  326.593996][ T6541]  ? __x64_sys_mount+0xc0/0xc0
[  326.598771][ T6541]  ? lockdep_hardirqs_on+0x98/0x150
[  326.603978][ T6541]  ? __x64_sys_mount+0x20/0xc0
[  326.608758][ T6541]  do_syscall_64+0x55/0xb0
[  326.613185][ T6541]  ? clear_bhb_loop+0x40/0x90
[  326.617872][ T6541]  ? clear_bhb_loop+0x40/0x90
[  326.622560][ T6541]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  326.628465][ T6541] RIP: 0033:0x7fc072190eea
[  326.632899][ T6541] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  326.652521][ T6541] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  326.660947][ T6541] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  326.668930][ T6541] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  326.676920][ T6541] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  326.684898][ T6541] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  326.692877][ T6541] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  326.700875][ T6541]  </TASK>
[  326.721670][ T6541] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  326.737436][ T6541] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  326.970855][   T29] INFO: task syz-executor:5899 blocked for more than 143 seconds.
[  326.979341][   T29]       Not tainted syzkaller #0
[  326.984417][   T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  326.993229][   T29] task:syz-executor    state:D stack:21576 pid:5899  ppid:1      flags:0x00004004
[  327.004851][   T29] Call Trace:
[  327.012050][   T29]  <TASK>
[  327.015043][   T29]  __schedule+0x14d2/0x44d0
[  327.022412][   T29]  ? asan.module_dtor+0x20/0x20
[  327.027359][   T29]  ? lockdep_hardirqs_on_prepare+0x400/0x760
[  327.033491][   T29]  ? lock_chain_count+0x20/0x20
[  327.041974][   T29]  ? lockdep_hardirqs_on+0x98/0x150
[  327.049483][   T29]  ? _raw_spin_unlock_irqrestore+0xae/0x110
[  327.055518][   T29]  ? _raw_spin_unlock+0x40/0x40
[  327.063051][   T29]  schedule+0xbd/0x170
[  327.067231][   T29]  bit_wait+0x11/0xd0
[  327.071353][   T29]  __wait_on_bit+0xac/0x2d0
[  327.075915][   T29]  ? out_of_line_wait_on_bit_lock+0x170/0x170
[  327.084909][   T29]  ? out_of_line_wait_on_bit_lock+0x170/0x170
[  327.091067][   T29]  out_of_line_wait_on_bit+0x123/0x170
[  327.099114][   T29]  ? __wait_on_bit+0x2d0/0x2d0
[  327.103937][   T29]  ? bit_waitqueue+0x30/0x30
[  327.108706][   T29]  gfs2_glock_wait+0xbd/0x2a0
[  327.113433][   T29]  __gfs2_lookup+0x118/0x270
[  327.118262][   T29]  ? lockdep_softirqs_off+0x430/0x430
[  327.126295][   T29]  ? gfs2_atomic_open+0x220/0x220
[  327.131389][   T29]  ? __lookup_slow+0x281/0x3b0
[  327.137497][   T29]  ? __init_waitqueue_head+0xa9/0x150
[  327.144045][   T29]  __lookup_slow+0x281/0x3b0
[  327.150049][   T29]  ? lookup_one_len+0x2c0/0x2c0
[  327.154972][   T29]  ? down_read+0x1ac/0x2e0
[  327.162910][   T29]  lookup_slow+0x53/0x70
[  327.167322][   T29]  walk_component+0x2be/0x3f0
[  327.172043][   T29]  ? path_lookupat+0x15c/0x440
[  327.179334][   T29]  path_lookupat+0x169/0x440
[  327.183996][   T29]  filename_lookup+0x1f4/0x510
[  327.189192][   T29]  ? __virt_addr_valid+0x18c/0x540
[  327.194366][   T29]  ? hashlen_string+0x110/0x110
[  327.201802][   T29]  ? strncpy_from_user+0x197/0x2e0
[  327.207020][   T29]  ? getname_flags+0x20a/0x500
[  327.211830][   T29]  user_path_at_empty+0x42/0x60
[  327.219242][   T29]  __x64_sys_umount+0xf5/0x170
[  327.224057][   T29]  ? path_umount+0xef0/0xef0
[  327.229006][   T29]  ? lockdep_hardirqs_on+0x98/0x150
[  327.234259][   T29]  do_syscall_64+0x55/0xb0
[  327.241243][   T29]  ? clear_bhb_loop+0x40/0x90
[  327.247162][   T29]  ? clear_bhb_loop+0x40/0x90
[  327.251586][ T6544] loop1: detected capacity change from 0 to 32768
[  327.251873][   T29]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  327.272209][   T29] RIP: 0033:0x7f2965b90a77
[  327.276967][ T6544] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  327.284406][ T6544] CPU: 1 PID: 6544 Comm: syz.1.203 Not tainted syzkaller #0
[  327.291738][ T6544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  327.301824][ T6544] Call Trace:
[  327.305132][ T6544]  <TASK>
[  327.308094][ T6544]  dump_stack_lvl+0x16c/0x230
[  327.312826][ T6544]  ? show_regs_print_info+0x20/0x20
[  327.318075][ T6544]  ? load_image+0x3b0/0x3b0
[  327.322650][ T6544]  sysfs_create_dir_ns+0x256/0x280
[  327.327819][ T6544]  ? sysfs_warn_dup+0xa0/0xa0
[  327.330864][   T29] RSP: 002b:00007ffdf4edd948 EFLAGS: 00000246
[  327.332526][ T6544]  ? do_raw_spin_unlock+0x121/0x230
[  327.343875][ T6544]  kobject_add_internal+0x6b8/0xc70
[  327.349210][ T6544]  kobject_init_and_add+0x126/0x190
[  327.354429][ T6544]  ? lockdep_softirqs_off+0x430/0x430
[  327.359817][ T6544]  ? kobject_add+0x220/0x220
[  327.364425][ T6544]  ? __init_swait_queue_head+0xa9/0x150
[  327.369999][ T6544]  gfs2_sys_fs_add+0x238/0x470
[  327.374782][ T6544]  ? gfs2_recover_set+0x250/0x250
[  327.379831][ T6544]  ? apply_workqueue_attrs+0x180/0x180
[  327.385313][ T6544]  gfs2_fill_super+0x1323/0x1f80
[  327.390292][ T6544]  ? gfs2_reconfigure+0xb10/0xb10
[  327.395346][ T6544]  ? setup_bdev_super+0x56b/0x660
[  327.400394][ T6544]  get_tree_bdev+0x3e4/0x510
[  327.404996][ T6544]  ? end_current_label_crit_section+0x170/0x170
[  327.411253][ T6544]  ? gfs2_reconfigure+0xb10/0xb10
[  327.416291][ T6544]  ? setup_bdev_super+0x660/0x660
[  327.421347][ T6544]  gfs2_get_tree+0x51/0x1e0
[  327.425874][ T6544]  vfs_get_tree+0x8c/0x280
[  327.430301][ T6544]  do_new_mount+0x24b/0xa40
[  327.434824][ T6544]  __se_sys_mount+0x2da/0x3c0
[  327.439515][ T6544]  ? __x64_sys_mount+0xc0/0xc0
[  327.444294][ T6544]  ? lockdep_hardirqs_on+0x98/0x150
[  327.449504][ T6544]  ? __x64_sys_mount+0x20/0xc0
[  327.454281][ T6544]  do_syscall_64+0x55/0xb0
[  327.458704][ T6544]  ? clear_bhb_loop+0x40/0x90
[  327.463404][ T6544]  ? clear_bhb_loop+0x40/0x90
[  327.468092][ T6544]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  327.473998][ T6544] RIP: 0033:0x7fc072190eea
[  327.478422][ T6544] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  327.498040][ T6544] RSP: 002b:00007ffd5be6a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  327.506465][ T6544] RAX: ffffffffffffffda RBX: 00007ffd5be6aa00 RCX: 00007fc072190eea
[  327.514445][ T6544] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd5be6a9c0
[  327.522426][ T6544] RBP: 0000200000000000 R08: 00007ffd5be6aa00 R09: 0000000000208c1b
[  327.530411][ T6544] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  327.538400][ T6544] R13: 00007ffd5be6a9c0 R14: 0000000000012754 R15: 0000200000012900
[  327.546400][ T6544]  </TASK>
[  327.550243][   T29]  ORIG_RAX: 00000000000000a6
[  327.555330][   T29] RAX: ffffffffffffffda RBX: 00007f2965c13d7d RCX: 00007f2965b90a77
[  327.563406][   T29] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdf4edda00
[  327.571838][   T29] RBP: 00007ffdf4edda00 R08: 0000000000000000 R09: 0000000000000000
[  327.579934][   T29] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffdf4edeaf0
[  327.588080][   T29] R13: 00007f2965c13d7d R14: 000055558e52f4a8 R15: 00007ffdf4ee0cb0
[  327.596154][   T29]  </TASK>
[  327.596559][ T6544] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  327.599207][   T29] 
[  327.599207][   T29] Showing all locks held in the system:
[  327.626502][ T6544] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  327.641585][   T29] 3 locks held by kworker/1:1/27:
[  327.676103][   T29] 1 lock held by khungtaskd/29:
[  327.681017][   T29]  #0: ffffffff8cd2ff20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x290
[  327.736770][   T29] 5 locks held by kworker/u4:10/3493:
[  327.748864][   T29] 2 locks held by getty/5528:
[  327.763957][   T29]  #0: ffff88814c63a0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  327.796083][   T29]  #1: ffffc9000326e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x425/0x1380
[  327.816076][   T29] 3 locks held by kworker/1:3/5753:
[  327.821335][   T29] 2 locks held by kworker/0:3/5825:
[  327.836076][   T29]  #0: ffff888017872538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_scheduled_works+0x957/0x15b0
[  327.866105][   T29]  #1: ffffc900047bfd00 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_scheduled_works+0x957/0x15b0
[  327.896129][   T29] 1 lock held by syz-executor/5899:
[  327.901514][   T29]  #0: ffff88805febd200 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x46/0x70
[  327.913969][   T29] 
[  327.916478][   T29] =============================================
[  327.916478][   T29] 
[  327.924911][   T29] NMI backtrace for cpu 0
[  327.929259][   T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[  327.936480][   T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  327.946543][   T29] Call Trace:
[  327.949835][   T29]  <TASK>
[  327.952778][   T29]  dump_stack_lvl+0x16c/0x230
[  327.957481][   T29]  ? show_regs_print_info+0x20/0x20
[  327.962703][   T29]  ? load_image+0x3b0/0x3b0
[  327.967233][   T29]  nmi_cpu_backtrace+0x39b/0x3d0
[  327.972200][   T29]  ? nmi_trigger_cpumask_backtrace+0x2f0/0x2f0
[  327.978365][   T29]  ? _printk+0xd0/0x110
[  327.982532][   T29]  ? load_image+0x3b0/0x3b0
[  327.987052][   T29]  ? load_image+0x3b0/0x3b0
2026/01/01 18:51:03 executed programs: 189
[  327.991571][   T29]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  327.997662][   T29]  nmi_trigger_cpumask_backtrace+0x17a/0x2f0
[  328.003661][   T29]  watchdog+0xf41/0xf80
[  328.007838][   T29]  ? watchdog+0x1e1/0xf80
[  328.012184][   T29]  kthread+0x2fa/0x390
[  328.016262][   T29]  ? hungtask_pm_notify+0x90/0x90
[  328.021300][   T29]  ? kthread_blkcg+0xd0/0xd0
[  328.025901][   T29]  ret_from_fork+0x48/0x80
[  328.030336][   T29]  ? kthread_blkcg+0xd0/0xd0
[  328.034937][   T29]  ret_from_fork_asm+0x11/0x20
[  328.039725][   T29]  </TASK>
[  328.043235][   T29] Sending NMI from CPU 0 to CPUs 1:
[  328.048621][    C1] NMI backtrace for cpu 1
[  328.048634][    C1] CPU: 1 PID: 5753 Comm: kworker/1:3 Not tainted syzkaller #0
[  328.048649][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  328.048658][    C1] Workqueue: events_power_efficient gc_worker
[  328.048680][    C1] RIP: 0010:check_preemption_disabled+0x0/0x110
[  328.048701][    C1] Code: f9 e9 6e ff ff ff cc cc cc cc f3 0f 1e fa 48 c7 c7 20 6f fc 8a 48 c7 c6 60 6f fc 8a eb 0c 66 2e 0f 1f 84 00 00 00 00 00 66 90 <55> 41 57 41 56 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44
[  328.048714][    C1] RSP: 0018:ffffc900044df960 EFLAGS: 00000046
[  328.048726][    C1] RAX: 0000000080000000 RBX: ffffffff88a4cec9 RCX: ffff88806ab0da00
[  328.048737][    C1] RDX: 0000000000000000 RSI: ffffffff8aaabd00 RDI: ffffffff8afc6f80
[  328.048783][    C1] RBP: ffffc900044dfa50 R08: dffffc0000000000 R09: 1ffffffff21b28a0
[  328.048794][    C1] R10: dffffc0000000000 R11: fffffbfff21b28a1 R12: 0000000000000200
[  328.048805][    C1] R13: dffffc0000000000 R14: 1ffff9200089bf34 R15: dffffc0000000000
[  328.048816][    C1] FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
[  328.048829][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  328.048840][    C1] CR2: 00007fc07224295f CR3: 0000000076b2e000 CR4: 00000000003506e0
[  328.048855][    C1] Call Trace:
[  328.048861][    C1]  <TASK>
[  328.048866][    C1]  lockdep_hardirqs_off+0xab/0x100
[  328.048885][    C1]  ? seqcount_lockdep_reader_access+0xe9/0x1c0
[  328.048901][    C1]  trace_hardirqs_off+0x12/0x40
[  328.048920][    C1]  seqcount_lockdep_reader_access+0xe9/0x1c0
[  328.048937][    C1]  ? nf_conntrack_hash_check_insert+0x9c0/0x9c0
[  328.048959][    C1]  gc_worker+0x317/0x14b0
[  328.048979][    C1]  ? gc_worker+0x269/0x14b0
[  328.048996][    C1]  ? init_conntrack+0xee0/0xee0
[  328.049013][    C1]  ? _raw_spin_unlock_irq+0x23/0x50
[  328.049028][    C1]  ? process_scheduled_works+0x957/0x15b0
[  328.049046][    C1]  ? process_scheduled_works+0x957/0x15b0
[  328.049062][    C1]  process_scheduled_works+0xa45/0x15b0
[  328.049090][    C1]  ? assign_work+0x400/0x400
[  328.049108][    C1]  ? assign_work+0x39e/0x400
[  328.049126][    C1]  worker_thread+0xa55/0xfc0
[  328.049142][    C1]  ? _raw_spin_unlock_irqrestore+0xae/0x110
[  328.049158][    C1]  ? _raw_spin_unlock+0x40/0x40
[  328.049172][    C1]  ? _raw_spin_unlock_irqrestore+0x86/0x110
[  328.049196][    C1]  kthread+0x2fa/0x390
[  328.049209][    C1]  ? pr_cont_work+0x560/0x560
[  328.049225][    C1]  ? kthread_blkcg+0xd0/0xd0
[  328.049238][    C1]  ret_from_fork+0x48/0x80
[  328.049254][    C1]  ? kthread_blkcg+0xd0/0xd0
[  328.049267][    C1]  ret_from_fork_asm+0x11/0x20
[  328.049291][    C1]  </TASK>
[  328.076071][   T29] Kernel panic - not syncing: hung_task: blocked tasks
[  328.076087][   T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[  328.076104][   T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  328.076114][   T29] Call Trace:
[  328.076121][   T29]  <TASK>
[  328.076130][   T29]  dump_stack_lvl+0x16c/0x230
[  328.076163][   T29]  ? show_regs_print_info+0x20/0x20
[  328.076188][   T29]  ? load_image+0x3b0/0x3b0
[  328.076221][   T29]  panic+0x2c0/0x710
[  328.076241][   T29]  ? schedule_preempt_disabled+0x20/0x20
[  328.076271][   T29]  ? bpf_jit_dump+0xd0/0xd0
[  328.076290][   T29]  ? __irq_work_queue_local+0x13a/0x3b0
[  328.076313][   T29]  ? nmi_trigger_cpumask_backtrace+0x2a4/0x2f0
[  328.076338][   T29]  watchdog+0xf80/0xf80
[  328.076361][   T29]  ? watchdog+0x1e1/0xf80
[  328.076436][   T29]  kthread+0x2fa/0x390
[  328.076453][   T29]  ? hungtask_pm_notify+0x90/0x90
[  328.076475][   T29]  ? kthread_blkcg+0xd0/0xd0
[  328.076491][   T29]  ret_from_fork+0x48/0x80
[  328.076510][   T29]  ? kthread_blkcg+0xd0/0xd0
[  328.076526][   T29]  ret_from_fork_asm+0x11/0x20
[  328.076560][   T29]  </TASK>
[  328.078385][   T29] Kernel Offset: disabled
[  328.423231][   T29] Rebooting in 86400 seconds..