3][ T6457]  ? gfs2_recover_set+0x250/0x250
[  207.526940][ T6457]  ? apply_workqueue_attrs+0x180/0x180
[  207.532399][ T6457]  gfs2_fill_super+0x1323/0x1f80
[  207.537334][ T6457]  ? gfs2_reconfigure+0xb10/0xb10
[  207.542375][ T6457]  ? setup_bdev_super+0x56b/0x660
[  207.547389][ T6457]  get_tree_bdev+0x3e4/0x510
[  207.551968][ T6457]  ? end_current_label_crit_section+0x170/0x170
[  207.558207][ T6457]  ? gfs2_reconfigure+0xb10/0xb10
[  207.563220][ T6457]  ? setup_bdev_super+0x660/0x660
[  207.568235][ T6457]  gfs2_get_tree+0x51/0x1e0
[  207.572726][ T6457]  vfs_get_tree+0x8c/0x280
[  207.577129][ T6457]  do_new_mount+0x24b/0xa40
[  207.581621][ T6457]  __se_sys_mount+0x2da/0x3c0
[  207.586314][ T6457]  ? __x64_sys_mount+0xc0/0xc0
[  207.591065][ T6457]  ? lockdep_hardirqs_on+0x98/0x150
[  207.596249][ T6457]  ? __x64_sys_mount+0x20/0xc0
[  207.600998][ T6457]  do_syscall_64+0x55/0xb0
[  207.605396][ T6457]  ? clear_bhb_loop+0x40/0x90
[  207.610058][ T6457]  ? clear_bhb_loop+0x40/0x90
[  207.614729][ T6457]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  207.620612][ T6457] RIP: 0033:0x7f3a55190eea
[  207.625020][ T6457] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  207.644634][ T6457] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  207.653033][ T6457] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  207.660994][ T6457] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  207.668951][ T6457] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  207.676906][ T6457] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  207.684861][ T6457] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  207.692827][ T6457]  </TASK>
[  207.696646][ T6457] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  207.710592][ T6457] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  208.060706][ T6460] loop1: detected capacity change from 0 to 32768
[  208.078159][ T6460] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  208.085624][ T6460] CPU: 0 PID: 6460 Comm: syz.1.184 Not tainted syzkaller #0
[  208.092927][ T6460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  208.102998][ T6460] Call Trace:
[  208.106288][ T6460]  <TASK>
[  208.109234][ T6460]  dump_stack_lvl+0x16c/0x230
[  208.113940][ T6460]  ? show_regs_print_info+0x20/0x20
[  208.119162][ T6460]  ? load_image+0x3b0/0x3b0
[  208.123694][ T6460]  sysfs_create_dir_ns+0x256/0x280
[  208.128828][ T6460]  ? sysfs_warn_dup+0xa0/0xa0
[  208.133531][ T6460]  ? do_raw_spin_unlock+0x121/0x230
[  208.138762][ T6460]  kobject_add_internal+0x6b8/0xc70
[  208.143985][ T6460]  kobject_init_and_add+0x126/0x190
[  208.149202][ T6460]  ? lockdep_softirqs_off+0x430/0x430
[  208.154594][ T6460]  ? kobject_add+0x220/0x220
[  208.159208][ T6460]  ? __init_swait_queue_head+0xa9/0x150
[  208.164772][ T6460]  gfs2_sys_fs_add+0x238/0x470
[  208.169564][ T6460]  ? gfs2_recover_set+0x250/0x250
[  208.174616][ T6460]  ? apply_workqueue_attrs+0x180/0x180
[  208.180096][ T6460]  gfs2_fill_super+0x1323/0x1f80
[  208.185219][ T6460]  ? gfs2_reconfigure+0xb10/0xb10
[  208.190261][ T6460]  ? setup_bdev_super+0x56b/0x660
[  208.195302][ T6460]  get_tree_bdev+0x3e4/0x510
[  208.199893][ T6460]  ? end_current_label_crit_section+0x170/0x170
[  208.206161][ T6460]  ? gfs2_reconfigure+0xb10/0xb10
[  208.211183][ T6460]  ? setup_bdev_super+0x660/0x660
[  208.216207][ T6460]  gfs2_get_tree+0x51/0x1e0
[  208.220725][ T6460]  vfs_get_tree+0x8c/0x280
[  208.225129][ T6460]  do_new_mount+0x24b/0xa40
[  208.229629][ T6460]  __se_sys_mount+0x2da/0x3c0
[  208.234311][ T6460]  ? __x64_sys_mount+0xc0/0xc0
[  208.239070][ T6460]  ? lockdep_hardirqs_on+0x98/0x150
[  208.244263][ T6460]  ? __x64_sys_mount+0x20/0xc0
[  208.249018][ T6460]  do_syscall_64+0x55/0xb0
[  208.253426][ T6460]  ? clear_bhb_loop+0x40/0x90
[  208.258094][ T6460]  ? clear_bhb_loop+0x40/0x90
[  208.262761][ T6460]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  208.268644][ T6460] RIP: 0033:0x7f3a55190eea
[  208.273048][ T6460] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  208.292643][ T6460] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  208.301050][ T6460] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  208.309009][ T6460] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  208.316968][ T6460] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  208.324928][ T6460] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  208.332885][ T6460] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  208.340945][ T6460]  </TASK>
[  208.346335][ T6460] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  208.360780][ T6460] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  208.724713][ T6463] loop1: detected capacity change from 0 to 32768
[  208.742963][ T6463] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  208.750934][ T6463] CPU: 0 PID: 6463 Comm: syz.1.185 Not tainted syzkaller #0
[  208.758246][ T6463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  208.768316][ T6463] Call Trace:
[  208.771614][ T6463]  <TASK>
[  208.774558][ T6463]  dump_stack_lvl+0x16c/0x230
[  208.779267][ T6463]  ? show_regs_print_info+0x20/0x20
[  208.784485][ T6463]  ? load_image+0x3b0/0x3b0
[  208.789020][ T6463]  sysfs_create_dir_ns+0x256/0x280
[  208.794157][ T6463]  ? sysfs_warn_dup+0xa0/0xa0
[  208.798858][ T6463]  ? do_raw_spin_unlock+0x121/0x230
[  208.804076][ T6463]  kobject_add_internal+0x6b8/0xc70
[  208.809302][ T6463]  kobject_init_and_add+0x126/0x190
[  208.814521][ T6463]  ? lockdep_softirqs_off+0x430/0x430
[  208.819915][ T6463]  ? kobject_add+0x220/0x220
[  208.824527][ T6463]  ? __init_swait_queue_head+0xa9/0x150
[  208.830091][ T6463]  gfs2_sys_fs_add+0x238/0x470
[  208.834873][ T6463]  ? gfs2_recover_set+0x250/0x250
[  208.839918][ T6463]  ? apply_workqueue_attrs+0x180/0x180
[  208.845396][ T6463]  gfs2_fill_super+0x1323/0x1f80
[  208.850347][ T6463]  ? gfs2_reconfigure+0xb10/0xb10
[  208.855365][ T6463]  ? setup_bdev_super+0x56b/0x660
[  208.860381][ T6463]  get_tree_bdev+0x3e4/0x510
[  208.864951][ T6463]  ? end_current_label_crit_section+0x170/0x170
[  208.871210][ T6463]  ? gfs2_reconfigure+0xb10/0xb10
[  208.876225][ T6463]  ? setup_bdev_super+0x660/0x660
[  208.881240][ T6463]  gfs2_get_tree+0x51/0x1e0
[  208.885734][ T6463]  vfs_get_tree+0x8c/0x280
[  208.890134][ T6463]  do_new_mount+0x24b/0xa40
[  208.894628][ T6463]  __se_sys_mount+0x2da/0x3c0
[  208.899288][ T6463]  ? __x64_sys_mount+0xc0/0xc0
[  208.904035][ T6463]  ? lockdep_hardirqs_on+0x98/0x150
[  208.909220][ T6463]  ? __x64_sys_mount+0x20/0xc0
[  208.913966][ T6463]  do_syscall_64+0x55/0xb0
[  208.918365][ T6463]  ? clear_bhb_loop+0x40/0x90
[  208.923028][ T6463]  ? clear_bhb_loop+0x40/0x90
[  208.927777][ T6463]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  208.933655][ T6463] RIP: 0033:0x7f3a55190eea
[  208.938065][ T6463] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  208.957662][ T6463] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  208.966080][ T6463] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  208.974038][ T6463] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  208.982000][ T6463] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  208.989956][ T6463] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  208.997911][ T6463] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  209.005876][ T6463]  </TASK>
[  209.010544][ T6463] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  209.024948][ T6463] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  209.362378][ T6466] loop1: detected capacity change from 0 to 32768
[  209.375118][ T6466] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  209.382856][ T6466] CPU: 0 PID: 6466 Comm: syz.1.186 Not tainted syzkaller #0
[  209.390162][ T6466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  209.400232][ T6466] Call Trace:
[  209.403525][ T6466]  <TASK>
[  209.406470][ T6466]  dump_stack_lvl+0x16c/0x230
[  209.411174][ T6466]  ? show_regs_print_info+0x20/0x20
[  209.416395][ T6466]  ? load_image+0x3b0/0x3b0
[  209.420929][ T6466]  sysfs_create_dir_ns+0x256/0x280
[  209.426066][ T6466]  ? sysfs_warn_dup+0xa0/0xa0
[  209.430768][ T6466]  ? do_raw_spin_unlock+0x121/0x230
[  209.435989][ T6466]  kobject_add_internal+0x6b8/0xc70
[  209.441212][ T6466]  kobject_init_and_add+0x126/0x190
[  209.446429][ T6466]  ? lockdep_softirqs_off+0x430/0x430
[  209.451816][ T6466]  ? kobject_add+0x220/0x220
[  209.456427][ T6466]  ? __init_swait_queue_head+0xa9/0x150
[  209.461991][ T6466]  gfs2_sys_fs_add+0x238/0x470
[  209.466779][ T6466]  ? gfs2_recover_set+0x250/0x250
[  209.471824][ T6466]  ? apply_workqueue_attrs+0x180/0x180
[  209.477307][ T6466]  gfs2_fill_super+0x1323/0x1f80
[  209.482281][ T6466]  ? gfs2_reconfigure+0xb10/0xb10
[  209.487337][ T6466]  ? setup_bdev_super+0x56b/0x660
[  209.492366][ T6466]  get_tree_bdev+0x3e4/0x510
[  209.496947][ T6466]  ? end_current_label_crit_section+0x170/0x170
[  209.503180][ T6466]  ? gfs2_reconfigure+0xb10/0xb10
[  209.508198][ T6466]  ? setup_bdev_super+0x660/0x660
[  209.513216][ T6466]  gfs2_get_tree+0x51/0x1e0
[  209.517714][ T6466]  vfs_get_tree+0x8c/0x280
[  209.522118][ T6466]  do_new_mount+0x24b/0xa40
[  209.526618][ T6466]  __se_sys_mount+0x2da/0x3c0
[  209.531289][ T6466]  ? __x64_sys_mount+0xc0/0xc0
[  209.536051][ T6466]  ? lockdep_hardirqs_on+0x98/0x150
[  209.541244][ T6466]  ? __x64_sys_mount+0x20/0xc0
[  209.545999][ T6466]  do_syscall_64+0x55/0xb0
[  209.550406][ T6466]  ? clear_bhb_loop+0x40/0x90
[  209.555074][ T6466]  ? clear_bhb_loop+0x40/0x90
[  209.559742][ T6466]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  209.565622][ T6466] RIP: 0033:0x7f3a55190eea
[  209.570027][ T6466] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  209.589625][ T6466] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  209.598030][ T6466] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  209.606431][ T6466] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  209.614391][ T6466] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  209.622349][ T6466] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  209.630306][ T6466] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  209.638277][ T6466]  </TASK>
[  209.644046][ T6466] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  209.658054][ T6466] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/02 00:24:10 executed programs: 172
[  209.999549][ T6469] loop1: detected capacity change from 0 to 32768
[  210.016304][ T6469] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  210.023820][ T6469] CPU: 0 PID: 6469 Comm: syz.1.187 Not tainted syzkaller #0
[  210.031125][ T6469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  210.041198][ T6469] Call Trace:
[  210.044493][ T6469]  <TASK>
[  210.047437][ T6469]  dump_stack_lvl+0x16c/0x230
[  210.052148][ T6469]  ? show_regs_print_info+0x20/0x20
[  210.057368][ T6469]  ? load_image+0x3b0/0x3b0
[  210.061907][ T6469]  sysfs_create_dir_ns+0x256/0x280
[  210.067043][ T6469]  ? sysfs_warn_dup+0xa0/0xa0
[  210.071744][ T6469]  ? do_raw_spin_unlock+0x121/0x230
[  210.076966][ T6469]  kobject_add_internal+0x6b8/0xc70
[  210.082200][ T6469]  kobject_init_and_add+0x126/0x190
[  210.087421][ T6469]  ? lockdep_softirqs_off+0x430/0x430
[  210.092812][ T6469]  ? kobject_add+0x220/0x220
[  210.097439][ T6469]  ? __init_swait_queue_head+0xa9/0x150
[  210.103000][ T6469]  gfs2_sys_fs_add+0x238/0x470
[  210.107784][ T6469]  ? gfs2_recover_set+0x250/0x250
[  210.112833][ T6469]  ? apply_workqueue_attrs+0x180/0x180
[  210.118305][ T6469]  gfs2_fill_super+0x1323/0x1f80
[  210.123239][ T6469]  ? gfs2_reconfigure+0xb10/0xb10
[  210.128253][ T6469]  ? setup_bdev_super+0x56b/0x660
[  210.133263][ T6469]  get_tree_bdev+0x3e4/0x510
[  210.137837][ T6469]  ? end_current_label_crit_section+0x170/0x170
[  210.144103][ T6469]  ? gfs2_reconfigure+0xb10/0xb10
[  210.149288][ T6469]  ? setup_bdev_super+0x660/0x660
[  210.154299][ T6469]  gfs2_get_tree+0x51/0x1e0
[  210.158789][ T6469]  vfs_get_tree+0x8c/0x280
[  210.163195][ T6469]  do_new_mount+0x24b/0xa40
[  210.167686][ T6469]  __se_sys_mount+0x2da/0x3c0
[  210.172361][ T6469]  ? __x64_sys_mount+0xc0/0xc0
[  210.177116][ T6469]  ? lockdep_hardirqs_on+0x98/0x150
[  210.182293][ T6469]  ? __x64_sys_mount+0x20/0xc0
[  210.187044][ T6469]  do_syscall_64+0x55/0xb0
[  210.191440][ T6469]  ? clear_bhb_loop+0x40/0x90
[  210.196106][ T6469]  ? clear_bhb_loop+0x40/0x90
[  210.200771][ T6469]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  210.206645][ T6469] RIP: 0033:0x7f3a55190eea
[  210.211051][ T6469] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  210.230642][ T6469] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  210.239040][ T6469] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  210.246993][ T6469] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  210.254944][ T6469] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  210.262910][ T6469] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  210.270880][ T6469] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  210.278864][ T6469]  </TASK>
[  210.282722][ T6469] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  210.296963][ T6469] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  210.665856][ T6472] loop1: detected capacity change from 0 to 32768
[  210.678359][ T6472] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  210.685764][ T6472] CPU: 1 PID: 6472 Comm: syz.1.188 Not tainted syzkaller #0
[  210.693071][ T6472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  210.703142][ T6472] Call Trace:
[  210.706436][ T6472]  <TASK>
[  210.709388][ T6472]  dump_stack_lvl+0x16c/0x230
[  210.714097][ T6472]  ? show_regs_print_info+0x20/0x20
[  210.719323][ T6472]  ? load_image+0x3b0/0x3b0
[  210.723860][ T6472]  sysfs_create_dir_ns+0x256/0x280
[  210.728996][ T6472]  ? sysfs_warn_dup+0xa0/0xa0
[  210.733700][ T6472]  ? do_raw_spin_unlock+0x121/0x230
[  210.738924][ T6472]  kobject_add_internal+0x6b8/0xc70
[  210.744146][ T6472]  kobject_init_and_add+0x126/0x190
[  210.749361][ T6472]  ? lockdep_softirqs_off+0x430/0x430
[  210.754751][ T6472]  ? kobject_add+0x220/0x220
[  210.759365][ T6472]  ? __init_swait_queue_head+0xa9/0x150
[  210.764927][ T6472]  gfs2_sys_fs_add+0x238/0x470
[  210.769716][ T6472]  ? gfs2_recover_set+0x250/0x250
[  210.774766][ T6472]  ? apply_workqueue_attrs+0x180/0x180
[  210.780251][ T6472]  gfs2_fill_super+0x1323/0x1f80
[  210.785220][ T6472]  ? gfs2_reconfigure+0xb10/0xb10
[  210.790263][ T6472]  ? setup_bdev_super+0x56b/0x660
[  210.795280][ T6472]  get_tree_bdev+0x3e4/0x510
[  210.799861][ T6472]  ? end_current_label_crit_section+0x170/0x170
[  210.806215][ T6472]  ? gfs2_reconfigure+0xb10/0xb10
[  210.811237][ T6472]  ? setup_bdev_super+0x660/0x660
[  210.816268][ T6472]  gfs2_get_tree+0x51/0x1e0
[  210.820769][ T6472]  vfs_get_tree+0x8c/0x280
[  210.825188][ T6472]  do_new_mount+0x24b/0xa40
[  210.829690][ T6472]  __se_sys_mount+0x2da/0x3c0
[  210.834359][ T6472]  ? __x64_sys_mount+0xc0/0xc0
[  210.839116][ T6472]  ? lockdep_hardirqs_on+0x98/0x150
[  210.844307][ T6472]  ? __x64_sys_mount+0x20/0xc0
[  210.849060][ T6472]  do_syscall_64+0x55/0xb0
[  210.853465][ T6472]  ? clear_bhb_loop+0x40/0x90
[  210.858139][ T6472]  ? clear_bhb_loop+0x40/0x90
[  210.862807][ T6472]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  210.868696][ T6472] RIP: 0033:0x7f3a55190eea
[  210.873102][ T6472] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  210.892786][ T6472] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  210.901193][ T6472] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  210.909162][ T6472] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  210.917122][ T6472] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  210.925099][ T6472] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  210.933073][ T6472] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  210.941053][ T6472]  </TASK>
[  210.949908][ T6472] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  210.964463][ T6472] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  211.293722][ T6475] loop1: detected capacity change from 0 to 32768
[  211.317210][ T6475] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  211.324728][ T6475] CPU: 0 PID: 6475 Comm: syz.1.189 Not tainted syzkaller #0
[  211.332043][ T6475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  211.342117][ T6475] Call Trace:
[  211.345412][ T6475]  <TASK>
[  211.348361][ T6475]  dump_stack_lvl+0x16c/0x230
[  211.353075][ T6475]  ? show_regs_print_info+0x20/0x20
[  211.358296][ T6475]  ? load_image+0x3b0/0x3b0
[  211.362828][ T6475]  sysfs_create_dir_ns+0x256/0x280
[  211.367963][ T6475]  ? sysfs_warn_dup+0xa0/0xa0
[  211.372666][ T6475]  ? do_raw_spin_unlock+0x121/0x230
[  211.377903][ T6475]  kobject_add_internal+0x6b8/0xc70
[  211.383129][ T6475]  kobject_init_and_add+0x126/0x190
[  211.388347][ T6475]  ? lockdep_softirqs_off+0x430/0x430
[  211.393823][ T6475]  ? kobject_add+0x220/0x220
[  211.398436][ T6475]  ? __init_swait_queue_head+0xa9/0x150
[  211.404000][ T6475]  gfs2_sys_fs_add+0x238/0x470
[  211.408786][ T6475]  ? gfs2_recover_set+0x250/0x250
[  211.413836][ T6475]  ? apply_workqueue_attrs+0x180/0x180
[  211.419310][ T6475]  gfs2_fill_super+0x1323/0x1f80
[  211.424244][ T6475]  ? gfs2_reconfigure+0xb10/0xb10
[  211.429348][ T6475]  ? setup_bdev_super+0x56b/0x660
[  211.434356][ T6475]  get_tree_bdev+0x3e4/0x510
[  211.438927][ T6475]  ? end_current_label_crit_section+0x170/0x170
[  211.445151][ T6475]  ? gfs2_reconfigure+0xb10/0xb10
[  211.450160][ T6475]  ? setup_bdev_super+0x660/0x660
[  211.455169][ T6475]  gfs2_get_tree+0x51/0x1e0
[  211.459664][ T6475]  vfs_get_tree+0x8c/0x280
[  211.464067][ T6475]  do_new_mount+0x24b/0xa40
[  211.468562][ T6475]  __se_sys_mount+0x2da/0x3c0
[  211.473224][ T6475]  ? __x64_sys_mount+0xc0/0xc0
[  211.477974][ T6475]  ? lockdep_hardirqs_on+0x98/0x150
[  211.483154][ T6475]  ? __x64_sys_mount+0x20/0xc0
[  211.487900][ T6475]  do_syscall_64+0x55/0xb0
[  211.492296][ T6475]  ? clear_bhb_loop+0x40/0x90
[  211.496957][ T6475]  ? clear_bhb_loop+0x40/0x90
[  211.501615][ T6475]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  211.507492][ T6475] RIP: 0033:0x7f3a55190eea
[  211.511891][ T6475] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  211.531494][ T6475] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  211.539900][ T6475] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  211.547860][ T6475] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  211.555813][ T6475] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  211.563766][ T6475] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  211.571722][ T6475] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  211.579688][ T6475]  </TASK>
[  211.584079][ T6475] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  211.598122][ T6475] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  211.964784][ T6478] loop1: detected capacity change from 0 to 32768
[  211.979429][ T6478] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  211.986970][ T6478] CPU: 1 PID: 6478 Comm: syz.1.190 Not tainted syzkaller #0
[  211.994281][ T6478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  212.004355][ T6478] Call Trace:
[  212.007658][ T6478]  <TASK>
[  212.010604][ T6478]  dump_stack_lvl+0x16c/0x230
[  212.015312][ T6478]  ? show_regs_print_info+0x20/0x20
[  212.020535][ T6478]  ? load_image+0x3b0/0x3b0
[  212.025070][ T6478]  sysfs_create_dir_ns+0x256/0x280
[  212.030212][ T6478]  ? sysfs_warn_dup+0xa0/0xa0
[  212.034922][ T6478]  ? do_raw_spin_unlock+0x121/0x230
[  212.040143][ T6478]  kobject_add_internal+0x6b8/0xc70
[  212.045367][ T6478]  kobject_init_and_add+0x126/0x190
[  212.050577][ T6478]  ? lockdep_softirqs_off+0x430/0x430
[  212.055947][ T6478]  ? kobject_add+0x220/0x220
[  212.060540][ T6478]  ? __init_swait_queue_head+0xa9/0x150
[  212.066084][ T6478]  gfs2_sys_fs_add+0x238/0x470
[  212.070842][ T6478]  ? gfs2_recover_set+0x250/0x250
[  212.075861][ T6478]  ? apply_workqueue_attrs+0x180/0x180
[  212.081419][ T6478]  gfs2_fill_super+0x1323/0x1f80
[  212.086359][ T6478]  ? gfs2_reconfigure+0xb10/0xb10
[  212.091379][ T6478]  ? setup_bdev_super+0x56b/0x660
[  212.096394][ T6478]  get_tree_bdev+0x3e4/0x510
[  212.101060][ T6478]  ? end_current_label_crit_section+0x170/0x170
[  212.107293][ T6478]  ? gfs2_reconfigure+0xb10/0xb10
[  212.112314][ T6478]  ? setup_bdev_super+0x660/0x660
[  212.117331][ T6478]  gfs2_get_tree+0x51/0x1e0
[  212.121833][ T6478]  vfs_get_tree+0x8c/0x280
[  212.126243][ T6478]  do_new_mount+0x24b/0xa40
[  212.130741][ T6478]  __se_sys_mount+0x2da/0x3c0
[  212.135436][ T6478]  ? __x64_sys_mount+0xc0/0xc0
[  212.140197][ T6478]  ? lockdep_hardirqs_on+0x98/0x150
[  212.145388][ T6478]  ? __x64_sys_mount+0x20/0xc0
[  212.150145][ T6478]  do_syscall_64+0x55/0xb0
[  212.154548][ T6478]  ? clear_bhb_loop+0x40/0x90
[  212.159216][ T6478]  ? clear_bhb_loop+0x40/0x90
[  212.163888][ T6478]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  212.169767][ T6478] RIP: 0033:0x7f3a55190eea
[  212.174170][ T6478] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  212.193769][ T6478] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  212.202176][ T6478] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  212.210136][ T6478] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  212.218094][ T6478] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  212.226052][ T6478] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  212.234011][ T6478] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  212.241983][ T6478]  </TASK>
[  212.258956][ T6478] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  212.275148][ T6478] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  212.620966][ T6481] loop1: detected capacity change from 0 to 32768
[  212.635418][ T6481] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  212.643461][ T6481] CPU: 1 PID: 6481 Comm: syz.1.191 Not tainted syzkaller #0
[  212.650782][ T6481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  212.660850][ T6481] Call Trace:
[  212.664142][ T6481]  <TASK>
[  212.667089][ T6481]  dump_stack_lvl+0x16c/0x230
[  212.671795][ T6481]  ? show_regs_print_info+0x20/0x20
[  212.677018][ T6481]  ? load_image+0x3b0/0x3b0
[  212.681549][ T6481]  sysfs_create_dir_ns+0x256/0x280
[  212.686692][ T6481]  ? sysfs_warn_dup+0xa0/0xa0
[  212.691396][ T6481]  ? do_raw_spin_unlock+0x121/0x230
[  212.696613][ T6481]  kobject_add_internal+0x6b8/0xc70
[  212.701833][ T6481]  kobject_init_and_add+0x126/0x190
[  212.707049][ T6481]  ? lockdep_softirqs_off+0x430/0x430
[  212.712445][ T6481]  ? kobject_add+0x220/0x220
[  212.717060][ T6481]  ? __init_swait_queue_head+0xa9/0x150
[  212.722630][ T6481]  gfs2_sys_fs_add+0x238/0x470
[  212.727456][ T6481]  ? gfs2_recover_set+0x250/0x250
[  212.732506][ T6481]  ? apply_workqueue_attrs+0x180/0x180
[  212.737992][ T6481]  gfs2_fill_super+0x1323/0x1f80
[  212.742962][ T6481]  ? gfs2_reconfigure+0xb10/0xb10
[  212.748013][ T6481]  ? setup_bdev_super+0x56b/0x660
[  212.753045][ T6481]  get_tree_bdev+0x3e4/0x510
[  212.757622][ T6481]  ? end_current_label_crit_section+0x170/0x170
[  212.763847][ T6481]  ? gfs2_reconfigure+0xb10/0xb10
[  212.768857][ T6481]  ? setup_bdev_super+0x660/0x660
[  212.773867][ T6481]  gfs2_get_tree+0x51/0x1e0
[  212.778360][ T6481]  vfs_get_tree+0x8c/0x280
[  212.782755][ T6481]  do_new_mount+0x24b/0xa40
[  212.787262][ T6481]  __se_sys_mount+0x2da/0x3c0
[  212.791923][ T6481]  ? __x64_sys_mount+0xc0/0xc0
[  212.796671][ T6481]  ? lockdep_hardirqs_on+0x98/0x150
[  212.801849][ T6481]  ? __x64_sys_mount+0x20/0xc0
[  212.806596][ T6481]  do_syscall_64+0x55/0xb0
[  212.810996][ T6481]  ? clear_bhb_loop+0x40/0x90
[  212.815657][ T6481]  ? clear_bhb_loop+0x40/0x90
[  212.820367][ T6481]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  212.826249][ T6481] RIP: 0033:0x7f3a55190eea
[  212.830647][ T6481] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  212.850327][ T6481] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  212.858726][ T6481] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  212.866681][ T6481] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  212.874641][ T6481] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  212.882605][ T6481] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  212.890564][ T6481] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  212.898531][ T6481]  </TASK>
[  212.903022][ T6481] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  212.916993][ T6481] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  213.271648][ T6484] loop1: detected capacity change from 0 to 32768
[  213.292410][ T6484] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  213.300177][ T6484] CPU: 1 PID: 6484 Comm: syz.1.192 Not tainted syzkaller #0
[  213.307487][ T6484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  213.317571][ T6484] Call Trace:
[  213.320863][ T6484]  <TASK>
[  213.323816][ T6484]  dump_stack_lvl+0x16c/0x230
[  213.328527][ T6484]  ? show_regs_print_info+0x20/0x20
[  213.333751][ T6484]  ? load_image+0x3b0/0x3b0
[  213.338286][ T6484]  sysfs_create_dir_ns+0x256/0x280
[  213.343427][ T6484]  ? sysfs_warn_dup+0xa0/0xa0
[  213.348132][ T6484]  ? do_raw_spin_unlock+0x121/0x230
[  213.353359][ T6484]  kobject_add_internal+0x6b8/0xc70
[  213.358590][ T6484]  kobject_init_and_add+0x126/0x190
[  213.363817][ T6484]  ? lockdep_softirqs_off+0x430/0x430
[  213.369210][ T6484]  ? kobject_add+0x220/0x220
[  213.373823][ T6484]  ? __init_swait_queue_head+0xa9/0x150
[  213.379399][ T6484]  gfs2_sys_fs_add+0x238/0x470
[  213.384184][ T6484]  ? gfs2_recover_set+0x250/0x250
[  213.389310][ T6484]  ? apply_workqueue_attrs+0x180/0x180
[  213.394760][ T6484]  gfs2_fill_super+0x1323/0x1f80
[  213.399690][ T6484]  ? gfs2_reconfigure+0xb10/0xb10
[  213.404702][ T6484]  ? setup_bdev_super+0x56b/0x660
[  213.409710][ T6484]  get_tree_bdev+0x3e4/0x510
[  213.414284][ T6484]  ? end_current_label_crit_section+0x170/0x170
[  213.420508][ T6484]  ? gfs2_reconfigure+0xb10/0xb10
[  213.425605][ T6484]  ? setup_bdev_super+0x660/0x660
[  213.430619][ T6484]  gfs2_get_tree+0x51/0x1e0
[  213.435110][ T6484]  vfs_get_tree+0x8c/0x280
[  213.439519][ T6484]  do_new_mount+0x24b/0xa40
[  213.444007][ T6484]  __se_sys_mount+0x2da/0x3c0
[  213.448682][ T6484]  ? __x64_sys_mount+0xc0/0xc0
[  213.453431][ T6484]  ? lockdep_hardirqs_on+0x98/0x150
[  213.458614][ T6484]  ? __x64_sys_mount+0x20/0xc0
[  213.463367][ T6484]  do_syscall_64+0x55/0xb0
[  213.467773][ T6484]  ? clear_bhb_loop+0x40/0x90
[  213.472434][ T6484]  ? clear_bhb_loop+0x40/0x90
[  213.477093][ T6484]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  213.482966][ T6484] RIP: 0033:0x7f3a55190eea
[  213.487369][ T6484] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  213.506967][ T6484] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  213.515364][ T6484] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  213.523321][ T6484] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  213.531273][ T6484] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  213.539227][ T6484] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  213.547194][ T6484] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  213.555153][ T6484]  </TASK>
[  213.566280][ T6484] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  213.580419][ T6484] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  213.930373][ T6487] loop1: detected capacity change from 0 to 32768
[  213.939555][ T6487] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  213.949679][ T6487] CPU: 0 PID: 6487 Comm: syz.1.193 Not tainted syzkaller #0
[  213.956991][ T6487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  213.967065][ T6487] Call Trace:
[  213.970368][ T6487]  <TASK>
[  213.973314][ T6487]  dump_stack_lvl+0x16c/0x230
[  213.978034][ T6487]  ? show_regs_print_info+0x20/0x20
[  213.983259][ T6487]  ? load_image+0x3b0/0x3b0
[  213.987795][ T6487]  sysfs_create_dir_ns+0x256/0x280
[  213.992934][ T6487]  ? sysfs_warn_dup+0xa0/0xa0
[  213.997629][ T6487]  ? do_raw_spin_unlock+0x121/0x230
[  214.002852][ T6487]  kobject_add_internal+0x6b8/0xc70
[  214.008066][ T6487]  kobject_init_and_add+0x126/0x190
[  214.013250][ T6487]  ? lockdep_softirqs_off+0x430/0x430
[  214.018608][ T6487]  ? kobject_add+0x220/0x220
[  214.023187][ T6487]  ? __init_swait_queue_head+0xa9/0x150
[  214.028717][ T6487]  gfs2_sys_fs_add+0x238/0x470
[  214.033470][ T6487]  ? gfs2_recover_set+0x250/0x250
[  214.038480][ T6487]  ? apply_workqueue_attrs+0x180/0x180
[  214.043925][ T6487]  gfs2_fill_super+0x1323/0x1f80
[  214.048856][ T6487]  ? gfs2_reconfigure+0xb10/0xb10
[  214.053869][ T6487]  ? setup_bdev_super+0x56b/0x660
[  214.058876][ T6487]  get_tree_bdev+0x3e4/0x510
[  214.063446][ T6487]  ? end_current_label_crit_section+0x170/0x170
[  214.069673][ T6487]  ? gfs2_reconfigure+0xb10/0xb10
[  214.074695][ T6487]  ? setup_bdev_super+0x660/0x660
[  214.079724][ T6487]  gfs2_get_tree+0x51/0x1e0
[  214.084218][ T6487]  vfs_get_tree+0x8c/0x280
[  214.088620][ T6487]  do_new_mount+0x24b/0xa40
[  214.093107][ T6487]  __se_sys_mount+0x2da/0x3c0
[  214.097779][ T6487]  ? __x64_sys_mount+0xc0/0xc0
[  214.102523][ T6487]  ? lockdep_hardirqs_on+0x98/0x150
[  214.107711][ T6487]  ? __x64_sys_mount+0x20/0xc0
[  214.112457][ T6487]  do_syscall_64+0x55/0xb0
[  214.116854][ T6487]  ? clear_bhb_loop+0x40/0x90
[  214.121514][ T6487]  ? clear_bhb_loop+0x40/0x90
[  214.126180][ T6487]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  214.132059][ T6487] RIP: 0033:0x7f3a55190eea
[  214.136459][ T6487] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  214.156143][ T6487] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  214.164540][ T6487] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  214.172495][ T6487] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  214.180455][ T6487] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  214.188414][ T6487] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  214.196465][ T6487] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  214.204437][ T6487]  </TASK>
[  214.208261][ T6487] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  214.222261][ T6487] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  214.588509][ T6490] loop1: detected capacity change from 0 to 32768
[  214.600897][ T6490] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  214.608439][ T6490] CPU: 1 PID: 6490 Comm: syz.1.194 Not tainted syzkaller #0
[  214.615754][ T6490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  214.625833][ T6490] Call Trace:
[  214.629133][ T6490]  <TASK>
[  214.632083][ T6490]  dump_stack_lvl+0x16c/0x230
[  214.636796][ T6490]  ? show_regs_print_info+0x20/0x20
[  214.642020][ T6490]  ? load_image+0x3b0/0x3b0
[  214.646558][ T6490]  sysfs_create_dir_ns+0x256/0x280
[  214.651692][ T6490]  ? sysfs_warn_dup+0xa0/0xa0
[  214.656396][ T6490]  ? do_raw_spin_unlock+0x121/0x230
[  214.661619][ T6490]  kobject_add_internal+0x6b8/0xc70
[  214.666845][ T6490]  kobject_init_and_add+0x126/0x190
[  214.672057][ T6490]  ? lockdep_softirqs_off+0x430/0x430
[  214.677430][ T6490]  ? kobject_add+0x220/0x220
[  214.682018][ T6490]  ? __init_swait_queue_head+0xa9/0x150
[  214.687557][ T6490]  gfs2_sys_fs_add+0x238/0x470
[  214.692352][ T6490]  ? gfs2_recover_set+0x250/0x250
[  214.697378][ T6490]  ? apply_workqueue_attrs+0x180/0x180
[  214.702834][ T6490]  gfs2_fill_super+0x1323/0x1f80
[  214.707788][ T6490]  ? gfs2_reconfigure+0xb10/0xb10
[  214.712811][ T6490]  ? setup_bdev_super+0x56b/0x660
[  214.717835][ T6490]  get_tree_bdev+0x3e4/0x510
[  214.722415][ T6490]  ? end_current_label_crit_section+0x170/0x170
[  214.728661][ T6490]  ? gfs2_reconfigure+0xb10/0xb10
[  214.733675][ T6490]  ? setup_bdev_super+0x660/0x660
[  214.738697][ T6490]  gfs2_get_tree+0x51/0x1e0
[  214.743195][ T6490]  vfs_get_tree+0x8c/0x280
[  214.747627][ T6490]  do_new_mount+0x24b/0xa40
[  214.752125][ T6490]  __se_sys_mount+0x2da/0x3c0
[  214.756800][ T6490]  ? __x64_sys_mount+0xc0/0xc0
[  214.761556][ T6490]  ? lockdep_hardirqs_on+0x98/0x150
[  214.766746][ T6490]  ? __x64_sys_mount+0x20/0xc0
[  214.771508][ T6490]  do_syscall_64+0x55/0xb0
[  214.775911][ T6490]  ? clear_bhb_loop+0x40/0x90
[  214.780614][ T6490]  ? clear_bhb_loop+0x40/0x90
[  214.785291][ T6490]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  214.791186][ T6490] RIP: 0033:0x7f3a55190eea
[  214.795604][ T6490] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  214.815203][ T6490] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  214.823618][ T6490] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  214.831580][ T6490] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  214.839542][ T6490] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  214.847502][ T6490] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  214.855459][ T6490] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  214.863432][ T6490]  </TASK>
[  214.871426][ T6490] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  214.885701][ T6490] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/02 00:24:16 executed programs: 180
[  215.222864][ T6493] loop1: detected capacity change from 0 to 32768
[  215.235181][ T6493] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  215.243952][ T6493] CPU: 1 PID: 6493 Comm: syz.1.195 Not tainted syzkaller #0
[  215.251264][ T6493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  215.261319][ T6493] Call Trace:
[  215.264592][ T6493]  <TASK>
[  215.267514][ T6493]  dump_stack_lvl+0x16c/0x230
[  215.272192][ T6493]  ? show_regs_print_info+0x20/0x20
[  215.277388][ T6493]  ? load_image+0x3b0/0x3b0
[  215.281897][ T6493]  sysfs_create_dir_ns+0x256/0x280
[  215.287009][ T6493]  ? sysfs_warn_dup+0xa0/0xa0
[  215.291686][ T6493]  ? do_raw_spin_unlock+0x121/0x230
[  215.296879][ T6493]  kobject_add_internal+0x6b8/0xc70
[  215.302086][ T6493]  kobject_init_and_add+0x126/0x190
[  215.307538][ T6493]  ? lockdep_softirqs_off+0x430/0x430
[  215.312921][ T6493]  ? kobject_add+0x220/0x220
[  215.317506][ T6493]  ? __init_swait_queue_head+0xa9/0x150
[  215.323046][ T6493]  gfs2_sys_fs_add+0x238/0x470
[  215.327803][ T6493]  ? gfs2_recover_set+0x250/0x250
[  215.332827][ T6493]  ? apply_workqueue_attrs+0x180/0x180
[  215.338286][ T6493]  gfs2_fill_super+0x1323/0x1f80
[  215.343227][ T6493]  ? gfs2_reconfigure+0xb10/0xb10
[  215.348251][ T6493]  ? setup_bdev_super+0x56b/0x660
[  215.353269][ T6493]  get_tree_bdev+0x3e4/0x510
[  215.357848][ T6493]  ? end_current_label_crit_section+0x170/0x170
[  215.364080][ T6493]  ? gfs2_reconfigure+0xb10/0xb10
[  215.369094][ T6493]  ? setup_bdev_super+0x660/0x660
[  215.374114][ T6493]  gfs2_get_tree+0x51/0x1e0
[  215.378611][ T6493]  vfs_get_tree+0x8c/0x280
[  215.383027][ T6493]  do_new_mount+0x24b/0xa40
[  215.387533][ T6493]  __se_sys_mount+0x2da/0x3c0
[  215.392203][ T6493]  ? __x64_sys_mount+0xc0/0xc0
[  215.396962][ T6493]  ? lockdep_hardirqs_on+0x98/0x150
[  215.402151][ T6493]  ? __x64_sys_mount+0x20/0xc0
[  215.406908][ T6493]  do_syscall_64+0x55/0xb0
[  215.411314][ T6493]  ? clear_bhb_loop+0x40/0x90
[  215.415983][ T6493]  ? clear_bhb_loop+0x40/0x90
[  215.420659][ T6493]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  215.426546][ T6493] RIP: 0033:0x7f3a55190eea
[  215.430959][ T6493] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  215.450556][ T6493] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  215.458960][ T6493] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  215.466919][ T6493] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  215.474881][ T6493] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  215.482837][ T6493] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  215.490795][ T6493] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  215.498766][ T6493]  </TASK>
[  215.512090][ T6493] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  215.528187][ T6493] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  215.848479][ T6496] loop1: detected capacity change from 0 to 32768
[  215.865374][ T6496] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  215.872923][ T6496] CPU: 0 PID: 6496 Comm: syz.1.196 Not tainted syzkaller #0
[  215.880237][ T6496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  215.890318][ T6496] Call Trace:
[  215.893612][ T6496]  <TASK>
[  215.896555][ T6496]  dump_stack_lvl+0x16c/0x230
[  215.901262][ T6496]  ? show_regs_print_info+0x20/0x20
[  215.906743][ T6496]  ? load_image+0x3b0/0x3b0
[  215.911276][ T6496]  sysfs_create_dir_ns+0x256/0x280
[  215.916410][ T6496]  ? sysfs_warn_dup+0xa0/0xa0
[  215.921110][ T6496]  ? do_raw_spin_unlock+0x121/0x230
[  215.926330][ T6496]  kobject_add_internal+0x6b8/0xc70
[  215.931561][ T6496]  kobject_init_and_add+0x126/0x190
[  215.936780][ T6496]  ? lockdep_softirqs_off+0x430/0x430
[  215.942164][ T6496]  ? kobject_add+0x220/0x220
[  215.946773][ T6496]  ? __init_swait_queue_head+0xa9/0x150
[  215.952339][ T6496]  gfs2_sys_fs_add+0x238/0x470
[  215.957130][ T6496]  ? gfs2_recover_set+0x250/0x250
[  215.962156][ T6496]  ? apply_workqueue_attrs+0x180/0x180
[  215.967621][ T6496]  gfs2_fill_super+0x1323/0x1f80
[  215.972570][ T6496]  ? gfs2_reconfigure+0xb10/0xb10
[  215.977595][ T6496]  ? setup_bdev_super+0x56b/0x660
[  215.982610][ T6496]  get_tree_bdev+0x3e4/0x510
[  215.987190][ T6496]  ? end_current_label_crit_section+0x170/0x170
[  215.993423][ T6496]  ? gfs2_reconfigure+0xb10/0xb10
[  215.998440][ T6496]  ? setup_bdev_super+0x660/0x660
[  216.003455][ T6496]  gfs2_get_tree+0x51/0x1e0
[  216.007953][ T6496]  vfs_get_tree+0x8c/0x280
[  216.012360][ T6496]  do_new_mount+0x24b/0xa40
[  216.016861][ T6496]  __se_sys_mount+0x2da/0x3c0
[  216.021531][ T6496]  ? __x64_sys_mount+0xc0/0xc0
[  216.026288][ T6496]  ? lockdep_hardirqs_on+0x98/0x150
[  216.031479][ T6496]  ? __x64_sys_mount+0x20/0xc0
[  216.036245][ T6496]  do_syscall_64+0x55/0xb0
[  216.040647][ T6496]  ? clear_bhb_loop+0x40/0x90
[  216.045312][ T6496]  ? clear_bhb_loop+0x40/0x90
[  216.049986][ T6496]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  216.055872][ T6496] RIP: 0033:0x7f3a55190eea
[  216.060277][ T6496] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  216.079899][ T6496] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  216.088321][ T6496] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  216.096282][ T6496] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  216.104251][ T6496] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  216.112218][ T6496] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  216.120265][ T6496] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  216.128241][ T6496]  </TASK>
[  216.136535][ T6496] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  216.158002][ T6496] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  216.519170][ T6499] loop1: detected capacity change from 0 to 32768
[  216.536993][ T6499] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  216.544429][ T6499] CPU: 1 PID: 6499 Comm: syz.1.197 Not tainted syzkaller #0
[  216.551732][ T6499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  216.561804][ T6499] Call Trace:
[  216.565098][ T6499]  <TASK>
[  216.568070][ T6499]  dump_stack_lvl+0x16c/0x230
[  216.572778][ T6499]  ? show_regs_print_info+0x20/0x20
[  216.578006][ T6499]  ? load_image+0x3b0/0x3b0
[  216.582541][ T6499]  sysfs_create_dir_ns+0x256/0x280
[  216.587686][ T6499]  ? sysfs_warn_dup+0xa0/0xa0
[  216.592386][ T6499]  ? do_raw_spin_unlock+0x121/0x230
[  216.597608][ T6499]  kobject_add_internal+0x6b8/0xc70
[  216.602840][ T6499]  kobject_init_and_add+0x126/0x190
[  216.608062][ T6499]  ? lockdep_softirqs_off+0x430/0x430
[  216.613452][ T6499]  ? kobject_add+0x220/0x220
[  216.618062][ T6499]  ? __init_swait_queue_head+0xa9/0x150
[  216.623626][ T6499]  gfs2_sys_fs_add+0x238/0x470
[  216.628413][ T6499]  ? gfs2_recover_set+0x250/0x250
[  216.633465][ T6499]  ? apply_workqueue_attrs+0x180/0x180
[  216.638959][ T6499]  gfs2_fill_super+0x1323/0x1f80
[  216.643939][ T6499]  ? gfs2_reconfigure+0xb10/0xb10
[  216.649001][ T6499]  ? setup_bdev_super+0x56b/0x660
[  216.654097][ T6499]  get_tree_bdev+0x3e4/0x510
[  216.658677][ T6499]  ? end_current_label_crit_section+0x170/0x170
[  216.664909][ T6499]  ? gfs2_reconfigure+0xb10/0xb10
[  216.669927][ T6499]  ? setup_bdev_super+0x660/0x660
[  216.674946][ T6499]  gfs2_get_tree+0x51/0x1e0
[  216.679451][ T6499]  vfs_get_tree+0x8c/0x280
[  216.683857][ T6499]  do_new_mount+0x24b/0xa40
[  216.688355][ T6499]  __se_sys_mount+0x2da/0x3c0
[  216.693023][ T6499]  ? __x64_sys_mount+0xc0/0xc0
[  216.697782][ T6499]  ? lockdep_hardirqs_on+0x98/0x150
[  216.702972][ T6499]  ? __x64_sys_mount+0x20/0xc0
[  216.707736][ T6499]  do_syscall_64+0x55/0xb0
[  216.712141][ T6499]  ? clear_bhb_loop+0x40/0x90
[  216.716989][ T6499]  ? clear_bhb_loop+0x40/0x90
[  216.721660][ T6499]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  216.727543][ T6499] RIP: 0033:0x7f3a55190eea
[  216.731948][ T6499] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  216.751552][ T6499] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  216.759960][ T6499] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  216.767925][ T6499] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  216.775888][ T6499] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  216.783851][ T6499] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  216.791816][ T6499] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  216.799790][ T6499]  </TASK>
[  216.803935][ T6499] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  216.818087][ T6499] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  217.166340][ T6502] loop1: detected capacity change from 0 to 32768
[  217.178695][ T6502] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  217.186635][ T6502] CPU: 1 PID: 6502 Comm: syz.1.198 Not tainted syzkaller #0
[  217.193945][ T6502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  217.204014][ T6502] Call Trace:
[  217.207308][ T6502]  <TASK>
[  217.210254][ T6502]  dump_stack_lvl+0x16c/0x230
[  217.214961][ T6502]  ? show_regs_print_info+0x20/0x20
[  217.220192][ T6502]  ? load_image+0x3b0/0x3b0
[  217.224729][ T6502]  sysfs_create_dir_ns+0x256/0x280
[  217.229875][ T6502]  ? sysfs_warn_dup+0xa0/0xa0
[  217.234577][ T6502]  ? do_raw_spin_unlock+0x121/0x230
[  217.239814][ T6502]  kobject_add_internal+0x6b8/0xc70
[  217.245052][ T6502]  kobject_init_and_add+0x126/0x190
[  217.250272][ T6502]  ? lockdep_softirqs_off+0x430/0x430
[  217.255677][ T6502]  ? kobject_add+0x220/0x220
[  217.260294][ T6502]  ? __init_swait_queue_head+0xa9/0x150
[  217.265860][ T6502]  gfs2_sys_fs_add+0x238/0x470
[  217.270650][ T6502]  ? gfs2_recover_set+0x250/0x250
[  217.275701][ T6502]  ? apply_workqueue_attrs+0x180/0x180
[  217.281189][ T6502]  gfs2_fill_super+0x1323/0x1f80
[  217.286163][ T6502]  ? gfs2_reconfigure+0xb10/0xb10
[  217.291216][ T6502]  ? setup_bdev_super+0x56b/0x660
[  217.296256][ T6502]  get_tree_bdev+0x3e4/0x510
[  217.300846][ T6502]  ? end_current_label_crit_section+0x170/0x170
[  217.307083][ T6502]  ? gfs2_reconfigure+0xb10/0xb10
[  217.312098][ T6502]  ? setup_bdev_super+0x660/0x660
[  217.317113][ T6502]  gfs2_get_tree+0x51/0x1e0
[  217.321603][ T6502]  vfs_get_tree+0x8c/0x280
[  217.326013][ T6502]  do_new_mount+0x24b/0xa40
[  217.330518][ T6502]  __se_sys_mount+0x2da/0x3c0
[  217.335178][ T6502]  ? __x64_sys_mount+0xc0/0xc0
[  217.339930][ T6502]  ? lockdep_hardirqs_on+0x98/0x150
[  217.345130][ T6502]  ? __x64_sys_mount+0x20/0xc0
[  217.349884][ T6502]  do_syscall_64+0x55/0xb0
[  217.354289][ T6502]  ? clear_bhb_loop+0x40/0x90
[  217.358956][ T6502]  ? clear_bhb_loop+0x40/0x90
[  217.363623][ T6502]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  217.369503][ T6502] RIP: 0033:0x7f3a55190eea
[  217.373903][ T6502] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  217.393499][ T6502] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  217.401907][ T6502] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  217.410124][ T6502] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  217.418079][ T6502] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  217.426050][ T6502] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  217.434021][ T6502] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  217.441991][ T6502]  </TASK>
[  217.446361][ T6502] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  217.461725][ T6502] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  217.832508][ T6505] loop1: detected capacity change from 0 to 32768
[  217.845041][ T6505] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  217.852806][ T6505] CPU: 1 PID: 6505 Comm: syz.1.199 Not tainted syzkaller #0
[  217.860123][ T6505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  217.870209][ T6505] Call Trace:
[  217.873513][ T6505]  <TASK>
[  217.876465][ T6505]  dump_stack_lvl+0x16c/0x230
[  217.881178][ T6505]  ? show_regs_print_info+0x20/0x20
[  217.887937][ T6505]  ? load_image+0x3b0/0x3b0
[  217.892875][ T6505]  sysfs_create_dir_ns+0x256/0x280
[  217.898020][ T6505]  ? sysfs_warn_dup+0xa0/0xa0
[  217.902724][ T6505]  ? do_raw_spin_unlock+0x121/0x230
[  217.908221][ T6505]  kobject_add_internal+0x6b8/0xc70
[  217.913452][ T6505]  kobject_init_and_add+0x126/0x190
[  217.918691][ T6505]  ? lockdep_softirqs_off+0x430/0x430
[  217.924103][ T6505]  ? kobject_add+0x220/0x220
[  217.928722][ T6505]  ? __init_swait_queue_head+0xa9/0x150
[  217.934291][ T6505]  gfs2_sys_fs_add+0x238/0x470
[  217.939079][ T6505]  ? gfs2_recover_set+0x250/0x250
[  217.944133][ T6505]  ? apply_workqueue_attrs+0x180/0x180
[  217.949630][ T6505]  gfs2_fill_super+0x1323/0x1f80
[  217.954604][ T6505]  ? gfs2_reconfigure+0xb10/0xb10
[  217.959654][ T6505]  ? setup_bdev_super+0x56b/0x660
[  217.964675][ T6505]  get_tree_bdev+0x3e4/0x510
[  217.969260][ T6505]  ? end_current_label_crit_section+0x170/0x170
[  217.975493][ T6505]  ? gfs2_reconfigure+0xb10/0xb10
[  217.980510][ T6505]  ? setup_bdev_super+0x660/0x660
[  217.985528][ T6505]  gfs2_get_tree+0x51/0x1e0
[  217.990027][ T6505]  vfs_get_tree+0x8c/0x280
[  217.994433][ T6505]  do_new_mount+0x24b/0xa40
[  217.998928][ T6505]  __se_sys_mount+0x2da/0x3c0
[  218.003595][ T6505]  ? __x64_sys_mount+0xc0/0xc0
[  218.008356][ T6505]  ? lockdep_hardirqs_on+0x98/0x150
[  218.013543][ T6505]  ? __x64_sys_mount+0x20/0xc0
[  218.018296][ T6505]  do_syscall_64+0x55/0xb0
[  218.022702][ T6505]  ? clear_bhb_loop+0x40/0x90
[  218.027369][ T6505]  ? clear_bhb_loop+0x40/0x90
[  218.032037][ T6505]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  218.037922][ T6505] RIP: 0033:0x7f3a55190eea
[  218.042326][ T6505] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  218.061923][ T6505] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.070328][ T6505] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  218.078291][ T6505] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  218.086254][ T6505] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  218.094213][ T6505] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  218.102210][ T6505] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  218.110184][ T6505]  </TASK>
[  218.124044][ T6505] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.138206][ T6505] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  218.484224][ T6508] loop1: detected capacity change from 0 to 32768
[  218.499497][ T6508] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  218.507210][ T6508] CPU: 1 PID: 6508 Comm: syz.1.200 Not tainted syzkaller #0
[  218.514527][ T6508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  218.524687][ T6508] Call Trace:
[  218.528001][ T6508]  <TASK>
[  218.530946][ T6508]  dump_stack_lvl+0x16c/0x230
[  218.535652][ T6508]  ? show_regs_print_info+0x20/0x20
[  218.540871][ T6508]  ? load_image+0x3b0/0x3b0
[  218.545494][ T6508]  sysfs_create_dir_ns+0x256/0x280
[  218.550630][ T6508]  ? sysfs_warn_dup+0xa0/0xa0
[  218.555331][ T6508]  ? do_raw_spin_unlock+0x121/0x230
[  218.561085][ T6508]  kobject_add_internal+0x6b8/0xc70
[  218.566312][ T6508]  kobject_init_and_add+0x126/0x190
[  218.571533][ T6508]  ? lockdep_softirqs_off+0x430/0x430
[  218.576924][ T6508]  ? kobject_add+0x220/0x220
[  218.581544][ T6508]  ? __init_swait_queue_head+0xa9/0x150
[  218.587111][ T6508]  gfs2_sys_fs_add+0x238/0x470
[  218.591898][ T6508]  ? gfs2_recover_set+0x250/0x250
[  218.596946][ T6508]  ? apply_workqueue_attrs+0x180/0x180
[  218.602436][ T6508]  gfs2_fill_super+0x1323/0x1f80
[  218.607399][ T6508]  ? gfs2_reconfigure+0xb10/0xb10
[  218.612421][ T6508]  ? setup_bdev_super+0x56b/0x660
[  218.617436][ T6508]  get_tree_bdev+0x3e4/0x510
[  218.622020][ T6508]  ? end_current_label_crit_section+0x170/0x170
[  218.628257][ T6508]  ? gfs2_reconfigure+0xb10/0xb10
[  218.633272][ T6508]  ? setup_bdev_super+0x660/0x660
[  218.638292][ T6508]  gfs2_get_tree+0x51/0x1e0
[  218.642902][ T6508]  vfs_get_tree+0x8c/0x280
[  218.647394][ T6508]  do_new_mount+0x24b/0xa40
[  218.651892][ T6508]  __se_sys_mount+0x2da/0x3c0
[  218.656560][ T6508]  ? __x64_sys_mount+0xc0/0xc0
[  218.661314][ T6508]  ? lockdep_hardirqs_on+0x98/0x150
[  218.666503][ T6508]  ? __x64_sys_mount+0x20/0xc0
[  218.671256][ T6508]  do_syscall_64+0x55/0xb0
[  218.675661][ T6508]  ? clear_bhb_loop+0x40/0x90
[  218.680329][ T6508]  ? clear_bhb_loop+0x40/0x90
[  218.685000][ T6508]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  218.690884][ T6508] RIP: 0033:0x7f3a55190eea
[  218.695290][ T6508] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  218.714889][ T6508] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.723295][ T6508] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  218.731255][ T6508] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  218.739243][ T6508] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  218.747214][ T6508] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  218.755175][ T6508] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  218.763148][ T6508]  </TASK>
[  218.767239][ T6508] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.781561][ T6508] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  219.130176][ T6511] loop1: detected capacity change from 0 to 32768
[  219.144179][ T6511] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  219.154230][ T6511] CPU: 1 PID: 6511 Comm: syz.1.201 Not tainted syzkaller #0
[  219.161553][ T6511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  219.171630][ T6511] Call Trace:
[  219.174935][ T6511]  <TASK>
[  219.177887][ T6511]  dump_stack_lvl+0x16c/0x230
[  219.182596][ T6511]  ? show_regs_print_info+0x20/0x20
[  219.187824][ T6511]  ? load_image+0x3b0/0x3b0
[  219.192364][ T6511]  sysfs_create_dir_ns+0x256/0x280
[  219.197508][ T6511]  ? sysfs_warn_dup+0xa0/0xa0
[  219.202210][ T6511]  ? do_raw_spin_unlock+0x121/0x230
[  219.207435][ T6511]  kobject_add_internal+0x6b8/0xc70
[  219.212659][ T6511]  kobject_init_and_add+0x126/0x190
[  219.217882][ T6511]  ? lockdep_softirqs_off+0x430/0x430
[  219.223280][ T6511]  ? kobject_add+0x220/0x220
[  219.227896][ T6511]  ? __init_swait_queue_head+0xa9/0x150
[  219.233466][ T6511]  gfs2_sys_fs_add+0x238/0x470
[  219.238253][ T6511]  ? gfs2_recover_set+0x250/0x250
[  219.243310][ T6511]  ? apply_workqueue_attrs+0x180/0x180
[  219.248799][ T6511]  gfs2_fill_super+0x1323/0x1f80
[  219.253774][ T6511]  ? gfs2_reconfigure+0xb10/0xb10
[  219.258826][ T6511]  ? setup_bdev_super+0x56b/0x660
[  219.263893][ T6511]  get_tree_bdev+0x3e4/0x510
[  219.268479][ T6511]  ? end_current_label_crit_section+0x170/0x170
[  219.274714][ T6511]  ? gfs2_reconfigure+0xb10/0xb10
[  219.279827][ T6511]  ? setup_bdev_super+0x660/0x660
[  219.284852][ T6511]  gfs2_get_tree+0x51/0x1e0
[  219.289350][ T6511]  vfs_get_tree+0x8c/0x280
[  219.293760][ T6511]  do_new_mount+0x24b/0xa40
[  219.298257][ T6511]  __se_sys_mount+0x2da/0x3c0
[  219.302923][ T6511]  ? __x64_sys_mount+0xc0/0xc0
[  219.307682][ T6511]  ? lockdep_hardirqs_on+0x98/0x150
[  219.312871][ T6511]  ? __x64_sys_mount+0x20/0xc0
[  219.317623][ T6511]  do_syscall_64+0x55/0xb0
[  219.322464][ T6511]  ? clear_bhb_loop+0x40/0x90
[  219.327131][ T6511]  ? clear_bhb_loop+0x40/0x90
[  219.331797][ T6511]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  219.337688][ T6511] RIP: 0033:0x7f3a55190eea
[  219.342099][ T6511] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  219.361694][ T6511] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  219.370102][ T6511] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  219.378078][ T6511] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  219.386055][ T6511] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  219.394024][ T6511] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  219.401987][ T6511] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  219.409966][ T6511]  </TASK>
[  219.418753][ T6511] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  219.432792][ T6511] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  219.789651][ T6514] loop1: detected capacity change from 0 to 32768
[  219.798848][ T6514] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  219.806565][ T6514] CPU: 1 PID: 6514 Comm: syz.1.202 Not tainted syzkaller #0
[  219.813869][ T6514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  219.823940][ T6514] Call Trace:
[  219.827236][ T6514]  <TASK>
[  219.830181][ T6514]  dump_stack_lvl+0x16c/0x230
[  219.834885][ T6514]  ? show_regs_print_info+0x20/0x20
[  219.840109][ T6514]  ? load_image+0x3b0/0x3b0
[  219.844663][ T6514]  sysfs_create_dir_ns+0x256/0x280
[  219.849798][ T6514]  ? sysfs_warn_dup+0xa0/0xa0
[  219.854498][ T6514]  ? do_raw_spin_unlock+0x121/0x230
[  219.859709][ T6514]  kobject_add_internal+0x6b8/0xc70
[  219.864906][ T6514]  kobject_init_and_add+0x126/0x190
[  219.870105][ T6514]  ? lockdep_softirqs_off+0x430/0x430
[  219.875472][ T6514]  ? kobject_add+0x220/0x220
[  219.880061][ T6514]  ? __init_swait_queue_head+0xa9/0x150
[  219.885598][ T6514]  gfs2_sys_fs_add+0x238/0x470
[  219.890353][ T6514]  ? gfs2_recover_set+0x250/0x250
[  219.895374][ T6514]  ? apply_workqueue_attrs+0x180/0x180
[  219.900839][ T6514]  gfs2_fill_super+0x1323/0x1f80
[  219.905777][ T6514]  ? gfs2_reconfigure+0xb10/0xb10
[  219.910802][ T6514]  ? setup_bdev_super+0x56b/0x660
[  219.915816][ T6514]  get_tree_bdev+0x3e4/0x510
[  219.920396][ T6514]  ? end_current_label_crit_section+0x170/0x170
[  219.926630][ T6514]  ? gfs2_reconfigure+0xb10/0xb10
[  219.931654][ T6514]  ? setup_bdev_super+0x660/0x660
[  219.936674][ T6514]  gfs2_get_tree+0x51/0x1e0
[  219.941171][ T6514]  vfs_get_tree+0x8c/0x280
[  219.945668][ T6514]  do_new_mount+0x24b/0xa40
[  219.950166][ T6514]  __se_sys_mount+0x2da/0x3c0
[  219.954837][ T6514]  ? __x64_sys_mount+0xc0/0xc0
[  219.959595][ T6514]  ? lockdep_hardirqs_on+0x98/0x150
[  219.964783][ T6514]  ? __x64_sys_mount+0x20/0xc0
[  219.969539][ T6514]  do_syscall_64+0x55/0xb0
[  219.973944][ T6514]  ? clear_bhb_loop+0x40/0x90
[  219.978611][ T6514]  ? clear_bhb_loop+0x40/0x90
[  219.983280][ T6514]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  219.989165][ T6514] RIP: 0033:0x7f3a55190eea
[  219.993573][ 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
[  220.013169][ T6514] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.021580][ T6514] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  220.029552][ T6514] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  220.037515][ T6514] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  220.045475][ T6514] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  220.053440][ T6514] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  220.061409][ T6514]  </TASK>
[  220.072283][ 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.
[  220.087563][ T6514] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/02 00:24:21 executed programs: 188
[  220.430747][ T6517] loop1: detected capacity change from 0 to 32768
[  220.448187][ T6517] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  220.455615][ T6517] CPU: 0 PID: 6517 Comm: syz.1.203 Not tainted syzkaller #0
[  220.462931][ T6517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  220.473008][ T6517] Call Trace:
[  220.476308][ T6517]  <TASK>
[  220.479252][ T6517]  dump_stack_lvl+0x16c/0x230
[  220.483961][ T6517]  ? show_regs_print_info+0x20/0x20
[  220.489181][ T6517]  ? load_image+0x3b0/0x3b0
[  220.493718][ T6517]  sysfs_create_dir_ns+0x256/0x280
[  220.498854][ T6517]  ? sysfs_warn_dup+0xa0/0xa0
[  220.503639][ T6517]  ? do_raw_spin_unlock+0x121/0x230
[  220.508831][ T6517]  kobject_add_internal+0x6b8/0xc70
[  220.514020][ T6517]  kobject_init_and_add+0x126/0x190
[  220.519214][ T6517]  ? lockdep_softirqs_off+0x430/0x430
[  220.524600][ T6517]  ? kobject_add+0x220/0x220
[  220.529190][ T6517]  ? __init_swait_queue_head+0xa9/0x150
[  220.534764][ T6517]  gfs2_sys_fs_add+0x238/0x470
[  220.539523][ T6517]  ? gfs2_recover_set+0x250/0x250
[  220.544544][ T6517]  ? apply_workqueue_attrs+0x180/0x180
[  220.550022][ T6517]  gfs2_fill_super+0x1323/0x1f80
[  220.554966][ T6517]  ? gfs2_reconfigure+0xb10/0xb10
[  220.559999][ T6517]  ? setup_bdev_super+0x56b/0x660
[  220.565021][ T6517]  get_tree_bdev+0x3e4/0x510
[  220.569599][ T6517]  ? end_current_label_crit_section+0x170/0x170
[  220.575849][ T6517]  ? gfs2_reconfigure+0xb10/0xb10
[  220.580888][ T6517]  ? setup_bdev_super+0x660/0x660
[  220.585910][ T6517]  gfs2_get_tree+0x51/0x1e0
[  220.590407][ T6517]  vfs_get_tree+0x8c/0x280
[  220.594813][ T6517]  do_new_mount+0x24b/0xa40
[  220.599310][ T6517]  __se_sys_mount+0x2da/0x3c0
[  220.603981][ T6517]  ? __x64_sys_mount+0xc0/0xc0
[  220.608739][ T6517]  ? lockdep_hardirqs_on+0x98/0x150
[  220.613928][ T6517]  ? __x64_sys_mount+0x20/0xc0
[  220.618680][ T6517]  do_syscall_64+0x55/0xb0
[  220.623085][ T6517]  ? clear_bhb_loop+0x40/0x90
[  220.627779][ T6517]  ? clear_bhb_loop+0x40/0x90
[  220.632452][ T6517]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  220.638337][ T6517] RIP: 0033:0x7f3a55190eea
[  220.642793][ 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
[  220.662390][ T6517] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.670796][ T6517] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  220.678761][ T6517] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  220.686720][ T6517] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  220.694682][ T6517] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  220.702644][ T6517] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  220.710702][ T6517]  </TASK>
[  220.719881][ 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.
[  220.735402][ T6517] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  221.071558][ T6520] loop1: detected capacity change from 0 to 32768
[  221.085234][ T6520] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  221.093010][ T6520] CPU: 1 PID: 6520 Comm: syz.1.204 Not tainted syzkaller #0
[  221.100330][ T6520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  221.110412][ T6520] Call Trace:
[  221.113713][ T6520]  <TASK>
[  221.116666][ T6520]  dump_stack_lvl+0x16c/0x230
[  221.121372][ T6520]  ? show_regs_print_info+0x20/0x20
[  221.126597][ T6520]  ? load_image+0x3b0/0x3b0
[  221.131131][ T6520]  sysfs_create_dir_ns+0x256/0x280
[  221.136271][ T6520]  ? sysfs_warn_dup+0xa0/0xa0
[  221.140976][ T6520]  ? do_raw_spin_unlock+0x121/0x230
[  221.146201][ T6520]  kobject_add_internal+0x6b8/0xc70
[  221.151429][ T6520]  kobject_init_and_add+0x126/0x190
[  221.156658][ T6520]  ? lockdep_softirqs_off+0x430/0x430
[  221.162060][ T6520]  ? kobject_add+0x220/0x220
[  221.166680][ T6520]  ? __init_swait_queue_head+0xa9/0x150
[  221.172255][ T6520]  gfs2_sys_fs_add+0x238/0x470
[  221.177043][ T6520]  ? gfs2_recover_set+0x250/0x250
[  221.182100][ T6520]  ? apply_workqueue_attrs+0x180/0x180
[  221.187595][ T6520]  gfs2_fill_super+0x1323/0x1f80
[  221.192574][ T6520]  ? gfs2_reconfigure+0xb10/0xb10
[  221.197618][ T6520]  ? setup_bdev_super+0x56b/0x660
[  221.202650][ T6520]  get_tree_bdev+0x3e4/0x510
[  221.207236][ T6520]  ? end_current_label_crit_section+0x170/0x170
[  221.213477][ T6520]  ? gfs2_reconfigure+0xb10/0xb10
[  221.218499][ T6520]  ? setup_bdev_super+0x660/0x660
[  221.223524][ T6520]  gfs2_get_tree+0x51/0x1e0
[  221.228028][ T6520]  vfs_get_tree+0x8c/0x280
[  221.232433][ T6520]  do_new_mount+0x24b/0xa40
[  221.236929][ T6520]  __se_sys_mount+0x2da/0x3c0
[  221.241595][ T6520]  ? __x64_sys_mount+0xc0/0xc0
[  221.246351][ T6520]  ? lockdep_hardirqs_on+0x98/0x150
[  221.251542][ T6520]  ? __x64_sys_mount+0x20/0xc0
[  221.256293][ T6520]  do_syscall_64+0x55/0xb0
[  221.260766][ T6520]  ? clear_bhb_loop+0x40/0x90
[  221.265434][ T6520]  ? clear_bhb_loop+0x40/0x90
[  221.270102][ T6520]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  221.275999][ T6520] RIP: 0033:0x7f3a55190eea
[  221.280403][ 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
[  221.299997][ T6520] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  221.308403][ T6520] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  221.316362][ T6520] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  221.324320][ T6520] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  221.332282][ T6520] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  221.340347][ T6520] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  221.348318][ T6520]  </TASK>
[  221.357693][ 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.
[  221.371857][ T6520] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  221.724539][ T6523] loop1: detected capacity change from 0 to 32768
[  221.736698][ T6523] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  221.744121][ T6523] CPU: 1 PID: 6523 Comm: syz.1.205 Not tainted syzkaller #0
[  221.751422][ T6523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  221.761504][ T6523] Call Trace:
[  221.764803][ T6523]  <TASK>
[  221.767748][ T6523]  dump_stack_lvl+0x16c/0x230
[  221.772454][ T6523]  ? show_regs_print_info+0x20/0x20
[  221.777680][ T6523]  ? load_image+0x3b0/0x3b0
[  221.782212][ T6523]  sysfs_create_dir_ns+0x256/0x280
[  221.787351][ T6523]  ? sysfs_warn_dup+0xa0/0xa0
[  221.792054][ T6523]  ? do_raw_spin_unlock+0x121/0x230
[  221.797279][ T6523]  kobject_add_internal+0x6b8/0xc70
[  221.802511][ T6523]  kobject_init_and_add+0x126/0x190
[  221.807730][ T6523]  ? lockdep_softirqs_off+0x430/0x430
[  221.813127][ T6523]  ? kobject_add+0x220/0x220
[  221.817741][ T6523]  ? __init_swait_queue_head+0xa9/0x150
[  221.823310][ T6523]  gfs2_sys_fs_add+0x238/0x470
[  221.828095][ T6523]  ? gfs2_recover_set+0x250/0x250
[  221.833146][ T6523]  ? apply_workqueue_attrs+0x180/0x180
[  221.838634][ T6523]  gfs2_fill_super+0x1323/0x1f80
[  221.843601][ T6523]  ? gfs2_reconfigure+0xb10/0xb10
[  221.848653][ T6523]  ? setup_bdev_super+0x56b/0x660
[  221.853671][ T6523]  get_tree_bdev+0x3e4/0x510
[  221.858256][ T6523]  ? end_current_label_crit_section+0x170/0x170
[  221.864510][ T6523]  ? gfs2_reconfigure+0xb10/0xb10
[  221.869526][ T6523]  ? setup_bdev_super+0x660/0x660
[  221.874544][ T6523]  gfs2_get_tree+0x51/0x1e0
[  221.879041][ T6523]  vfs_get_tree+0x8c/0x280
[  221.883444][ T6523]  do_new_mount+0x24b/0xa40
[  221.887952][ T6523]  __se_sys_mount+0x2da/0x3c0
[  221.892657][ T6523]  ? __x64_sys_mount+0xc0/0xc0
[  221.897413][ T6523]  ? lockdep_hardirqs_on+0x98/0x150
[  221.902601][ T6523]  ? __x64_sys_mount+0x20/0xc0
[  221.907439][ T6523]  do_syscall_64+0x55/0xb0
[  221.911852][ T6523]  ? clear_bhb_loop+0x40/0x90
[  221.916520][ T6523]  ? clear_bhb_loop+0x40/0x90
[  221.921207][ T6523]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  221.927109][ T6523] RIP: 0033:0x7f3a55190eea
[  221.931525][ 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
[  221.951131][ T6523] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  221.959548][ T6523] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  221.967520][ T6523] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  221.975482][ T6523] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  221.983445][ T6523] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  221.991405][ T6523] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  221.999378][ T6523]  </TASK>
[  222.004927][ 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.
[  222.019336][ T6523] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  222.100559][   T51] Bluetooth: hci1: command 0x0406 tx timeout
[  222.371394][ T6526] loop1: detected capacity change from 0 to 32768
[  222.388114][ T6526] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  222.395539][ T6526] CPU: 0 PID: 6526 Comm: syz.1.206 Not tainted syzkaller #0
[  222.402851][ T6526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  222.412929][ T6526] Call Trace:
[  222.416316][ T6526]  <TASK>
[  222.419255][ T6526]  dump_stack_lvl+0x16c/0x230
[  222.423963][ T6526]  ? show_regs_print_info+0x20/0x20
[  222.429196][ T6526]  ? load_image+0x3b0/0x3b0
[  222.433823][ T6526]  sysfs_create_dir_ns+0x256/0x280
[  222.438969][ T6526]  ? sysfs_warn_dup+0xa0/0xa0
[  222.443674][ T6526]  ? do_raw_spin_unlock+0x121/0x230
[  222.448903][ T6526]  kobject_add_internal+0x6b8/0xc70
[  222.454130][ T6526]  kobject_init_and_add+0x126/0x190
[  222.459358][ T6526]  ? lockdep_softirqs_off+0x430/0x430
[  222.464754][ T6526]  ? kobject_add+0x220/0x220
[  222.469370][ T6526]  ? __init_swait_queue_head+0xa9/0x150
[  222.474935][ T6526]  gfs2_sys_fs_add+0x238/0x470
[  222.479715][ T6526]  ? gfs2_recover_set+0x250/0x250
[  222.484766][ T6526]  ? apply_workqueue_attrs+0x180/0x180
[  222.490225][ T6526]  gfs2_fill_super+0x1323/0x1f80
[  222.495176][ T6526]  ? gfs2_reconfigure+0xb10/0xb10
[  222.500200][ T6526]  ? setup_bdev_super+0x56b/0x660
[  222.505215][ T6526]  get_tree_bdev+0x3e4/0x510
[  222.509795][ T6526]  ? end_current_label_crit_section+0x170/0x170
[  222.516034][ T6526]  ? gfs2_reconfigure+0xb10/0xb10
[  222.521053][ T6526]  ? setup_bdev_super+0x660/0x660
[  222.526075][ T6526]  gfs2_get_tree+0x51/0x1e0
[  222.530571][ T6526]  vfs_get_tree+0x8c/0x280
[  222.534980][ T6526]  do_new_mount+0x24b/0xa40
[  222.539485][ T6526]  __se_sys_mount+0x2da/0x3c0
[  222.544241][ T6526]  ? __x64_sys_mount+0xc0/0xc0
[  222.548996][ T6526]  ? lockdep_hardirqs_on+0x98/0x150
[  222.554184][ T6526]  ? __x64_sys_mount+0x20/0xc0
[  222.558939][ T6526]  do_syscall_64+0x55/0xb0
[  222.563342][ T6526]  ? clear_bhb_loop+0x40/0x90
[  222.568008][ T6526]  ? clear_bhb_loop+0x40/0x90
[  222.572700][ T6526]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  222.578590][ T6526] RIP: 0033:0x7f3a55190eea
[  222.582995][ 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
[  222.602596][ T6526] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.611002][ T6526] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  222.618966][ T6526] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  222.626927][ T6526] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  222.634886][ T6526] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  222.642845][ T6526] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  222.650827][ T6526]  </TASK>
[  222.662455][ 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.
[  222.677360][ T6526] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  223.036767][ T6529] loop1: detected capacity change from 0 to 32768
[  223.046881][ T6529] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  223.054322][ T6529] CPU: 0 PID: 6529 Comm: syz.1.207 Not tainted syzkaller #0
[  223.061634][ T6529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  223.071707][ T6529] Call Trace:
[  223.075004][ T6529]  <TASK>
[  223.077952][ T6529]  dump_stack_lvl+0x16c/0x230
[  223.082662][ T6529]  ? show_regs_print_info+0x20/0x20
[  223.087882][ T6529]  ? load_image+0x3b0/0x3b0
[  223.092415][ T6529]  sysfs_create_dir_ns+0x256/0x280
[  223.097549][ T6529]  ? sysfs_warn_dup+0xa0/0xa0
[  223.102242][ T6529]  ? do_raw_spin_unlock+0x121/0x230
[  223.107451][ T6529]  kobject_add_internal+0x6b8/0xc70
[  223.112665][ T6529]  kobject_init_and_add+0x126/0x190
[  223.117851][ T6529]  ? lockdep_softirqs_off+0x430/0x430
[  223.123211][ T6529]  ? kobject_add+0x220/0x220
[  223.127791][ T6529]  ? __init_swait_queue_head+0xa9/0x150
[  223.133325][ T6529]  gfs2_sys_fs_add+0x238/0x470
[  223.138084][ T6529]  ? gfs2_recover_set+0x250/0x250
[  223.143111][ T6529]  ? apply_workqueue_attrs+0x180/0x180
[  223.148569][ T6529]  gfs2_fill_super+0x1323/0x1f80
[  223.153525][ T6529]  ? gfs2_reconfigure+0xb10/0xb10
[  223.158562][ T6529]  ? setup_bdev_super+0x56b/0x660
[  223.163581][ T6529]  get_tree_bdev+0x3e4/0x510
[  223.168169][ T6529]  ? end_current_label_crit_section+0x170/0x170
[  223.174412][ T6529]  ? gfs2_reconfigure+0xb10/0xb10
[  223.179431][ T6529]  ? setup_bdev_super+0x660/0x660
[  223.184459][ T6529]  gfs2_get_tree+0x51/0x1e0
[  223.188968][ T6529]  vfs_get_tree+0x8c/0x280
[  223.193377][ T6529]  do_new_mount+0x24b/0xa40
[  223.197888][ T6529]  __se_sys_mount+0x2da/0x3c0
[  223.202579][ T6529]  ? __x64_sys_mount+0xc0/0xc0
[  223.207335][ T6529]  ? lockdep_hardirqs_on+0x98/0x150
[  223.212523][ T6529]  ? __x64_sys_mount+0x20/0xc0
[  223.217304][ T6529]  do_syscall_64+0x55/0xb0
[  223.221721][ T6529]  ? clear_bhb_loop+0x40/0x90
[  223.226404][ T6529]  ? clear_bhb_loop+0x40/0x90
[  223.231081][ T6529]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  223.236977][ T6529] RIP: 0033:0x7f3a55190eea
[  223.241388][ 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
[  223.260989][ T6529] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.269398][ T6529] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  223.277361][ T6529] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  223.285370][ T6529] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  223.293331][ T6529] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  223.301301][ T6529] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  223.309274][ T6529]  </TASK>
[  223.314683][ 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.
[  223.328667][ T6529] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  223.680843][ T6532] loop1: detected capacity change from 0 to 32768
[  223.693423][ T6532] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  223.702839][ T6532] CPU: 1 PID: 6532 Comm: syz.1.208 Not tainted syzkaller #0
[  223.710163][ T6532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  223.720239][ T6532] Call Trace:
[  223.723536][ T6532]  <TASK>
[  223.726485][ T6532]  dump_stack_lvl+0x16c/0x230
[  223.731188][ T6532]  ? show_regs_print_info+0x20/0x20
[  223.736415][ T6532]  ? load_image+0x3b0/0x3b0
[  223.740948][ T6532]  sysfs_create_dir_ns+0x256/0x280
[  223.746084][ T6532]  ? sysfs_warn_dup+0xa0/0xa0
[  223.750782][ T6532]  ? do_raw_spin_unlock+0x121/0x230
[  223.756004][ T6532]  kobject_add_internal+0x6b8/0xc70
[  223.761215][ T6532]  kobject_init_and_add+0x126/0x190
[  223.766409][ T6532]  ? lockdep_softirqs_off+0x430/0x430
[  223.771774][ T6532]  ? kobject_add+0x220/0x220
[  223.776362][ T6532]  ? __init_swait_queue_head+0xa9/0x150
[  223.781897][ T6532]  gfs2_sys_fs_add+0x238/0x470
[  223.786653][ T6532]  ? gfs2_recover_set+0x250/0x250
[  223.791675][ T6532]  ? apply_workqueue_attrs+0x180/0x180
[  223.797129][ T6532]  gfs2_fill_super+0x1323/0x1f80
[  223.802067][ T6532]  ? gfs2_reconfigure+0xb10/0xb10
[  223.807095][ T6532]  ? setup_bdev_super+0x56b/0x660
[  223.812110][ T6532]  get_tree_bdev+0x3e4/0x510
[  223.816690][ T6532]  ? end_current_label_crit_section+0x170/0x170
[  223.822921][ T6532]  ? gfs2_reconfigure+0xb10/0xb10
[  223.827937][ T6532]  ? setup_bdev_super+0x660/0x660
[  223.832957][ T6532]  gfs2_get_tree+0x51/0x1e0
[  223.837455][ T6532]  vfs_get_tree+0x8c/0x280
[  223.841860][ T6532]  do_new_mount+0x24b/0xa40
[  223.846360][ T6532]  __se_sys_mount+0x2da/0x3c0
[  223.851030][ T6532]  ? __x64_sys_mount+0xc0/0xc0
[  223.855785][ T6532]  ? lockdep_hardirqs_on+0x98/0x150
[  223.860971][ T6532]  ? __x64_sys_mount+0x20/0xc0
[  223.865723][ T6532]  do_syscall_64+0x55/0xb0
[  223.870129][ T6532]  ? clear_bhb_loop+0x40/0x90
[  223.874970][ T6532]  ? clear_bhb_loop+0x40/0x90
[  223.879645][ T6532]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  223.885526][ T6532] RIP: 0033:0x7f3a55190eea
[  223.889933][ 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
[  223.909531][ T6532] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.918024][ T6532] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  223.925990][ T6532] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  223.933953][ T6532] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  223.941912][ T6532] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  223.949872][ T6532] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  223.957845][ T6532]  </TASK>
[  223.967062][ 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.
[  223.981730][ T6532] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  224.303151][ T6535] loop1: detected capacity change from 0 to 32768
[  224.323210][ T6535] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  224.330763][ T6535] CPU: 0 PID: 6535 Comm: syz.1.209 Not tainted syzkaller #0
[  224.338072][ T6535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  224.348149][ T6535] Call Trace:
[  224.351452][ T6535]  <TASK>
[  224.354400][ T6535]  dump_stack_lvl+0x16c/0x230
[  224.359109][ T6535]  ? show_regs_print_info+0x20/0x20
[  224.364336][ T6535]  ? load_image+0x3b0/0x3b0
[  224.368873][ T6535]  sysfs_create_dir_ns+0x256/0x280
[  224.374008][ T6535]  ? sysfs_warn_dup+0xa0/0xa0
[  224.378717][ T6535]  ? do_raw_spin_unlock+0x121/0x230
[  224.383937][ T6535]  kobject_add_internal+0x6b8/0xc70
[  224.389162][ T6535]  kobject_init_and_add+0x126/0x190
[  224.394375][ T6535]  ? lockdep_softirqs_off+0x430/0x430
[  224.399769][ T6535]  ? kobject_add+0x220/0x220
[  224.404390][ T6535]  ? __init_swait_queue_head+0xa9/0x150
[  224.409948][ T6535]  gfs2_sys_fs_add+0x238/0x470
[  224.414709][ T6535]  ? gfs2_recover_set+0x250/0x250
[  224.419733][ T6535]  ? apply_workqueue_attrs+0x180/0x180
[  224.425192][ T6535]  gfs2_fill_super+0x1323/0x1f80
[  224.430135][ T6535]  ? gfs2_reconfigure+0xb10/0xb10
[  224.435160][ T6535]  ? setup_bdev_super+0x56b/0x660
[  224.440178][ T6535]  get_tree_bdev+0x3e4/0x510
[  224.444766][ T6535]  ? end_current_label_crit_section+0x170/0x170
[  224.451001][ T6535]  ? gfs2_reconfigure+0xb10/0xb10
[  224.456022][ T6535]  ? setup_bdev_super+0x660/0x660
[  224.461085][ T6535]  gfs2_get_tree+0x51/0x1e0
[  224.465582][ T6535]  vfs_get_tree+0x8c/0x280
[  224.469989][ T6535]  do_new_mount+0x24b/0xa40
[  224.474487][ T6535]  __se_sys_mount+0x2da/0x3c0
[  224.479157][ T6535]  ? __x64_sys_mount+0xc0/0xc0
[  224.483912][ T6535]  ? lockdep_hardirqs_on+0x98/0x150
[  224.489100][ T6535]  ? __x64_sys_mount+0x20/0xc0
[  224.493853][ T6535]  do_syscall_64+0x55/0xb0
[  224.498257][ T6535]  ? clear_bhb_loop+0x40/0x90
[  224.502929][ T6535]  ? clear_bhb_loop+0x40/0x90
[  224.507609][ T6535]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  224.513501][ T6535] RIP: 0033:0x7f3a55190eea
[  224.517917][ 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
[  224.537609][ T6535] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.546018][ T6535] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  224.553981][ T6535] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  224.561943][ T6535] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  224.569905][ T6535] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  224.577865][ T6535] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  224.585863][ T6535]  </TASK>
[  224.602713][ 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.
[  224.625870][ T6535] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  224.957775][ T6538] loop1: detected capacity change from 0 to 32768
[  224.969884][ T6538] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  224.977452][ T6538] CPU: 1 PID: 6538 Comm: syz.1.210 Not tainted syzkaller #0
[  224.984757][ T6538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  224.994835][ T6538] Call Trace:
[  224.998132][ T6538]  <TASK>
[  225.001079][ T6538]  dump_stack_lvl+0x16c/0x230
[  225.005788][ T6538]  ? show_regs_print_info+0x20/0x20
[  225.011019][ T6538]  ? load_image+0x3b0/0x3b0
[  225.015556][ T6538]  sysfs_create_dir_ns+0x256/0x280
[  225.020697][ T6538]  ? sysfs_warn_dup+0xa0/0xa0
[  225.025397][ T6538]  ? do_raw_spin_unlock+0x121/0x230
[  225.030617][ T6538]  kobject_add_internal+0x6b8/0xc70
[  225.035844][ T6538]  kobject_init_and_add+0x126/0x190
[  225.041062][ T6538]  ? lockdep_softirqs_off+0x430/0x430
[  225.046453][ T6538]  ? kobject_add+0x220/0x220
[  225.051071][ T6538]  ? __init_swait_queue_head+0xa9/0x150
[  225.056639][ T6538]  gfs2_sys_fs_add+0x238/0x470
[  225.061422][ T6538]  ? gfs2_recover_set+0x250/0x250
[  225.066472][ T6538]  ? apply_workqueue_attrs+0x180/0x180
[  225.071960][ T6538]  gfs2_fill_super+0x1323/0x1f80
[  225.076925][ T6538]  ? gfs2_reconfigure+0xb10/0xb10
[  225.081966][ T6538]  ? setup_bdev_super+0x56b/0x660
[  225.086986][ T6538]  get_tree_bdev+0x3e4/0x510
[  225.091576][ T6538]  ? end_current_label_crit_section+0x170/0x170
[  225.097812][ T6538]  ? gfs2_reconfigure+0xb10/0xb10
[  225.102831][ T6538]  ? setup_bdev_super+0x660/0x660
[  225.107856][ T6538]  gfs2_get_tree+0x51/0x1e0
[  225.112357][ T6538]  vfs_get_tree+0x8c/0x280
[  225.116765][ T6538]  do_new_mount+0x24b/0xa40
[  225.121265][ T6538]  __se_sys_mount+0x2da/0x3c0
[  225.125939][ T6538]  ? __x64_sys_mount+0xc0/0xc0
[  225.130694][ T6538]  ? lockdep_hardirqs_on+0x98/0x150
[  225.135884][ T6538]  ? __x64_sys_mount+0x20/0xc0
[  225.140644][ T6538]  do_syscall_64+0x55/0xb0
[  225.145052][ T6538]  ? clear_bhb_loop+0x40/0x90
[  225.149726][ T6538]  ? clear_bhb_loop+0x40/0x90
[  225.154395][ T6538]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  225.160279][ T6538] RIP: 0033:0x7f3a55190eea
[  225.164689][ 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
[  225.184370][ T6538] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.192775][ T6538] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  225.200735][ T6538] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  225.208701][ T6538] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  225.216667][ T6538] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  225.224625][ T6538] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  225.232597][ T6538]  </TASK>
[  225.242291][ 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.
[  225.256402][ T6538] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/02 00:24:26 executed programs: 196
[  225.595410][ T6541] loop1: detected capacity change from 0 to 32768
[  225.613310][ T6541] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  225.622440][ T6541] CPU: 0 PID: 6541 Comm: syz.1.211 Not tainted syzkaller #0
[  225.629759][ T6541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  225.639827][ T6541] Call Trace:
[  225.643120][ T6541]  <TASK>
[  225.646239][ T6541]  dump_stack_lvl+0x16c/0x230
[  225.650945][ T6541]  ? show_regs_print_info+0x20/0x20
[  225.656169][ T6541]  ? load_image+0x3b0/0x3b0
[  225.660700][ T6541]  sysfs_create_dir_ns+0x256/0x280
[  225.665837][ T6541]  ? sysfs_warn_dup+0xa0/0xa0
[  225.670540][ T6541]  ? do_raw_spin_unlock+0x121/0x230
[  225.675761][ T6541]  kobject_add_internal+0x6b8/0xc70
[  225.680986][ T6541]  kobject_init_and_add+0x126/0x190
[  225.686206][ T6541]  ? lockdep_softirqs_off+0x430/0x430
[  225.691601][ T6541]  ? kobject_add+0x220/0x220
[  225.696209][ T6541]  ? __init_swait_queue_head+0xa9/0x150
[  225.701774][ T6541]  gfs2_sys_fs_add+0x238/0x470
[  225.706558][ T6541]  ? gfs2_recover_set+0x250/0x250
[  225.711609][ T6541]  ? apply_workqueue_attrs+0x180/0x180
[  225.717186][ T6541]  gfs2_fill_super+0x1323/0x1f80
[  225.722156][ T6541]  ? gfs2_reconfigure+0xb10/0xb10
[  225.727188][ T6541]  ? setup_bdev_super+0x56b/0x660
[  225.732201][ T6541]  get_tree_bdev+0x3e4/0x510
[  225.736775][ T6541]  ? end_current_label_crit_section+0x170/0x170
[  225.743001][ T6541]  ? gfs2_reconfigure+0xb10/0xb10
[  225.748026][ T6541]  ? setup_bdev_super+0x660/0x660
[  225.753058][ T6541]  gfs2_get_tree+0x51/0x1e0
[  225.757554][ T6541]  vfs_get_tree+0x8c/0x280
[  225.761952][ T6541]  do_new_mount+0x24b/0xa40
[  225.766449][ T6541]  __se_sys_mount+0x2da/0x3c0
[  225.771110][ T6541]  ? __x64_sys_mount+0xc0/0xc0
[  225.775854][ T6541]  ? lockdep_hardirqs_on+0x98/0x150
[  225.781044][ T6541]  ? __x64_sys_mount+0x20/0xc0
[  225.785792][ T6541]  do_syscall_64+0x55/0xb0
[  225.790281][ T6541]  ? clear_bhb_loop+0x40/0x90
[  225.794939][ T6541]  ? clear_bhb_loop+0x40/0x90
[  225.799602][ T6541]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  225.805478][ T6541] RIP: 0033:0x7f3a55190eea
[  225.809877][ 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
[  225.829470][ T6541] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.837868][ T6541] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  225.845823][ T6541] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  225.853784][ T6541] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  225.861761][ T6541] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  225.869718][ T6541] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  225.877686][ T6541]  </TASK>
[  225.882073][ 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.
[  225.896094][ T6541] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  226.230424][ T6544] loop1: detected capacity change from 0 to 32768
[  226.246472][ T6544] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.253883][ T6544] CPU: 0 PID: 6544 Comm: syz.1.212 Not tainted syzkaller #0
[  226.261184][ T6544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  226.271255][ T6544] Call Trace:
[  226.274547][ T6544]  <TASK>
[  226.277491][ T6544]  dump_stack_lvl+0x16c/0x230
[  226.282196][ T6544]  ? show_regs_print_info+0x20/0x20
[  226.287416][ T6544]  ? load_image+0x3b0/0x3b0
[  226.291947][ T6544]  sysfs_create_dir_ns+0x256/0x280
[  226.297085][ T6544]  ? sysfs_warn_dup+0xa0/0xa0
[  226.301788][ T6544]  ? do_raw_spin_unlock+0x121/0x230
[  226.307008][ T6544]  kobject_add_internal+0x6b8/0xc70
[  226.312234][ T6544]  kobject_init_and_add+0x126/0x190
[  226.317451][ T6544]  ? lockdep_softirqs_off+0x430/0x430
[  226.322842][ T6544]  ? kobject_add+0x220/0x220
[  226.327451][ T6544]  ? __init_swait_queue_head+0xa9/0x150
[  226.333015][ T6544]  gfs2_sys_fs_add+0x238/0x470
[  226.337799][ T6544]  ? gfs2_recover_set+0x250/0x250
[  226.342848][ T6544]  ? apply_workqueue_attrs+0x180/0x180
[  226.348331][ T6544]  gfs2_fill_super+0x1323/0x1f80
[  226.353305][ T6544]  ? gfs2_reconfigure+0xb10/0xb10
[  226.358348][ T6544]  ? setup_bdev_super+0x56b/0x660
[  226.363379][ T6544]  get_tree_bdev+0x3e4/0x510
[  226.367963][ T6544]  ? end_current_label_crit_section+0x170/0x170
[  226.374196][ T6544]  ? gfs2_reconfigure+0xb10/0xb10
[  226.379218][ T6544]  ? setup_bdev_super+0x660/0x660
[  226.384246][ T6544]  gfs2_get_tree+0x51/0x1e0
[  226.388744][ T6544]  vfs_get_tree+0x8c/0x280
[  226.393150][ T6544]  do_new_mount+0x24b/0xa40
[  226.397643][ T6544]  __se_sys_mount+0x2da/0x3c0
[  226.402310][ T6544]  ? __x64_sys_mount+0xc0/0xc0
[  226.407062][ T6544]  ? lockdep_hardirqs_on+0x98/0x150
[  226.412250][ T6544]  ? __x64_sys_mount+0x20/0xc0
[  226.417006][ T6544]  do_syscall_64+0x55/0xb0
[  226.421408][ T6544]  ? clear_bhb_loop+0x40/0x90
[  226.426076][ T6544]  ? clear_bhb_loop+0x40/0x90
[  226.430746][ T6544]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  226.436628][ T6544] RIP: 0033:0x7f3a55190eea
[  226.441032][ 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
[  226.460649][ T6544] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.469073][ T6544] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  226.477055][ T6544] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  226.485036][ T6544] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  226.493007][ T6544] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  226.500975][ T6544] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  226.508951][ T6544]  </TASK>
[  226.515605][ 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.
[  226.529583][ T6544] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  226.896459][ T6547] loop1: detected capacity change from 0 to 32768
[  226.909121][ T6547] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.926050][ T6547] CPU: 0 PID: 6547 Comm: syz.1.213 Not tainted syzkaller #0
[  226.933388][ T6547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  226.943460][ T6547] Call Trace:
[  226.946752][ T6547]  <TASK>
[  226.949693][ T6547]  dump_stack_lvl+0x16c/0x230
[  226.954397][ T6547]  ? show_regs_print_info+0x20/0x20
[  226.959616][ T6547]  ? load_image+0x3b0/0x3b0
[  226.964150][ T6547]  sysfs_create_dir_ns+0x256/0x280
[  226.969281][ T6547]  ? sysfs_warn_dup+0xa0/0xa0
[  226.973982][ T6547]  ? do_raw_spin_unlock+0x121/0x230
[  226.979206][ T6547]  kobject_add_internal+0x6b8/0xc70
[  226.984430][ T6547]  kobject_init_and_add+0x126/0x190
[  226.989644][ T6547]  ? lockdep_softirqs_off+0x430/0x430
[  226.995031][ T6547]  ? kobject_add+0x220/0x220
[  226.999633][ T6547]  ? __init_swait_queue_head+0xa9/0x150
[  227.005189][ T6547]  gfs2_sys_fs_add+0x238/0x470
[  227.009956][ T6547]  ? gfs2_recover_set+0x250/0x250
[  227.014974][ T6547]  ? apply_workqueue_attrs+0x180/0x180
[  227.020434][ T6547]  gfs2_fill_super+0x1323/0x1f80
[  227.025376][ T6547]  ? gfs2_reconfigure+0xb10/0xb10
[  227.030400][ T6547]  ? setup_bdev_super+0x56b/0x660
[  227.035414][ T6547]  get_tree_bdev+0x3e4/0x510
[  227.039995][ T6547]  ? end_current_label_crit_section+0x170/0x170
[  227.046229][ T6547]  ? gfs2_reconfigure+0xb10/0xb10
[  227.051242][ T6547]  ? setup_bdev_super+0x660/0x660
[  227.056261][ T6547]  gfs2_get_tree+0x51/0x1e0
[  227.060757][ T6547]  vfs_get_tree+0x8c/0x280
[  227.065164][ T6547]  do_new_mount+0x24b/0xa40
[  227.069665][ T6547]  __se_sys_mount+0x2da/0x3c0
[  227.074332][ T6547]  ? __x64_sys_mount+0xc0/0xc0
[  227.079085][ T6547]  ? lockdep_hardirqs_on+0x98/0x150
[  227.084276][ T6547]  ? __x64_sys_mount+0x20/0xc0
[  227.089047][ T6547]  do_syscall_64+0x55/0xb0
[  227.093454][ T6547]  ? clear_bhb_loop+0x40/0x90
[  227.098125][ T6547]  ? clear_bhb_loop+0x40/0x90
[  227.102794][ T6547]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  227.108682][ T6547] RIP: 0033:0x7f3a55190eea
[  227.113104][ T6547] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  227.132700][ T6547] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.141106][ T6547] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  227.149066][ T6547] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  227.157024][ T6547] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  227.164983][ T6547] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  227.172952][ T6547] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  227.180925][ T6547]  </TASK>
[  227.196585][ T6547] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.213047][ T6547] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  227.561295][ T6550] loop1: detected capacity change from 0 to 32768
[  227.573161][ T6550] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  227.580888][ T6550] CPU: 1 PID: 6550 Comm: syz.1.214 Not tainted syzkaller #0
[  227.588198][ T6550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  227.598269][ T6550] Call Trace:
[  227.601576][ T6550]  <TASK>
[  227.604530][ T6550]  dump_stack_lvl+0x16c/0x230
[  227.609244][ T6550]  ? show_regs_print_info+0x20/0x20
[  227.614469][ T6550]  ? load_image+0x3b0/0x3b0
[  227.619003][ T6550]  sysfs_create_dir_ns+0x256/0x280
[  227.624139][ T6550]  ? sysfs_warn_dup+0xa0/0xa0
[  227.628841][ T6550]  ? do_raw_spin_unlock+0x121/0x230
[  227.634066][ T6550]  kobject_add_internal+0x6b8/0xc70
[  227.639293][ T6550]  kobject_init_and_add+0x126/0x190
[  227.644512][ T6550]  ? lockdep_softirqs_off+0x430/0x430
[  227.649896][ T6550]  ? kobject_add+0x220/0x220
[  227.654489][ T6550]  ? __init_swait_queue_head+0xa9/0x150
[  227.660027][ T6550]  gfs2_sys_fs_add+0x238/0x470
[  227.664786][ T6550]  ? gfs2_recover_set+0x250/0x250
[  227.669809][ T6550]  ? apply_workqueue_attrs+0x180/0x180
[  227.675264][ T6550]  gfs2_fill_super+0x1323/0x1f80
[  227.680252][ T6550]  ? gfs2_reconfigure+0xb10/0xb10
[  227.685274][ T6550]  ? setup_bdev_super+0x56b/0x660
[  227.690287][ T6550]  get_tree_bdev+0x3e4/0x510
[  227.694868][ T6550]  ? end_current_label_crit_section+0x170/0x170
[  227.701128][ T6550]  ? gfs2_reconfigure+0xb10/0xb10
[  227.706153][ T6550]  ? setup_bdev_super+0x660/0x660
[  227.711175][ T6550]  gfs2_get_tree+0x51/0x1e0
[  227.715673][ T6550]  vfs_get_tree+0x8c/0x280
[  227.720083][ T6550]  do_new_mount+0x24b/0xa40
[  227.724582][ T6550]  __se_sys_mount+0x2da/0x3c0
[  227.729252][ T6550]  ? __x64_sys_mount+0xc0/0xc0
[  227.734005][ T6550]  ? lockdep_hardirqs_on+0x98/0x150
[  227.739192][ T6550]  ? __x64_sys_mount+0x20/0xc0
[  227.743945][ T6550]  do_syscall_64+0x55/0xb0
[  227.748350][ T6550]  ? clear_bhb_loop+0x40/0x90
[  227.753019][ T6550]  ? clear_bhb_loop+0x40/0x90
[  227.757687][ T6550]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  227.763573][ T6550] RIP: 0033:0x7f3a55190eea
[  227.768005][ T6550] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  227.787600][ T6550] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.796011][ T6550] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  227.803979][ T6550] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  227.811959][ T6550] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  227.819920][ T6550] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  227.827881][ T6550] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  227.835851][ T6550]  </TASK>
[  227.844240][ T6550] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.860961][ T6550] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  228.175899][ T6554] loop1: detected capacity change from 0 to 32768
[  228.188122][ T6554] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.195545][ T6554] CPU: 1 PID: 6554 Comm: syz.1.215 Not tainted syzkaller #0
[  228.202850][ T6554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  228.212921][ T6554] Call Trace:
[  228.216203][ T6554]  <TASK>
[  228.219126][ T6554]  dump_stack_lvl+0x16c/0x230
[  228.223808][ T6554]  ? show_regs_print_info+0x20/0x20
[  228.229008][ T6554]  ? load_image+0x3b0/0x3b0
[  228.233524][ T6554]  sysfs_create_dir_ns+0x256/0x280
[  228.238635][ T6554]  ? sysfs_warn_dup+0xa0/0xa0
[  228.243313][ T6554]  ? do_raw_spin_unlock+0x121/0x230
[  228.248510][ T6554]  kobject_add_internal+0x6b8/0xc70
[  228.253705][ T6554]  kobject_init_and_add+0x126/0x190
[  228.258900][ T6554]  ? lockdep_softirqs_off+0x430/0x430
[  228.264270][ T6554]  ? kobject_add+0x220/0x220
[  228.268855][ T6554]  ? __init_swait_queue_head+0xa9/0x150
[  228.274391][ T6554]  gfs2_sys_fs_add+0x238/0x470
[  228.279148][ T6554]  ? gfs2_recover_set+0x250/0x250
[  228.284182][ T6554]  ? apply_workqueue_attrs+0x180/0x180
[  228.289640][ T6554]  gfs2_fill_super+0x1323/0x1f80
[  228.294580][ T6554]  ? gfs2_reconfigure+0xb10/0xb10
[  228.299606][ T6554]  ? setup_bdev_super+0x56b/0x660
[  228.304618][ T6554]  get_tree_bdev+0x3e4/0x510
[  228.309197][ T6554]  ? end_current_label_crit_section+0x170/0x170
[  228.315521][ T6554]  ? gfs2_reconfigure+0xb10/0xb10
[  228.320538][ T6554]  ? setup_bdev_super+0x660/0x660
[  228.325558][ T6554]  gfs2_get_tree+0x51/0x1e0
[  228.330063][ T6554]  vfs_get_tree+0x8c/0x280
[  228.334492][ T6554]  do_new_mount+0x24b/0xa40
[  228.339012][ T6554]  __se_sys_mount+0x2da/0x3c0
[  228.343701][ T6554]  ? __x64_sys_mount+0xc0/0xc0
[  228.348465][ T6554]  ? lockdep_hardirqs_on+0x98/0x150
[  228.353679][ T6554]  ? __x64_sys_mount+0x20/0xc0
[  228.358451][ T6554]  do_syscall_64+0x55/0xb0
[  228.362869][ T6554]  ? clear_bhb_loop+0x40/0x90
[  228.367548][ T6554]  ? clear_bhb_loop+0x40/0x90
[  228.372220][ T6554]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  228.378114][ T6554] RIP: 0033:0x7f3a55190eea
[  228.382518][ T6554] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  228.402115][ T6554] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  228.410527][ T6554] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  228.418485][ T6554] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  228.426452][ T6554] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  228.434410][ T6554] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  228.442388][ T6554] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  228.450377][ T6554]  </TASK>
[  228.458710][ T6554] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  228.474280][ T6554] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  228.807101][ T6558] loop1: detected capacity change from 0 to 32768
[  228.819110][ T6558] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.827180][ T6558] CPU: 0 PID: 6558 Comm: syz.1.216 Not tainted syzkaller #0
[  228.834491][ T6558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  228.844564][ T6558] Call Trace:
[  228.847859][ T6558]  <TASK>
[  228.850806][ T6558]  dump_stack_lvl+0x16c/0x230
[  228.855511][ T6558]  ? show_regs_print_info+0x20/0x20
[  228.860732][ T6558]  ? load_image+0x3b0/0x3b0
[  228.865267][ T6558]  sysfs_create_dir_ns+0x256/0x280
[  228.870401][ T6558]  ? sysfs_warn_dup+0xa0/0xa0
[  228.875101][ T6558]  ? do_raw_spin_unlock+0x121/0x230
[  228.880322][ T6558]  kobject_add_internal+0x6b8/0xc70
[  228.885551][ T6558]  kobject_init_and_add+0x126/0x190
[  228.890776][ T6558]  ? lockdep_softirqs_off+0x430/0x430
[  228.896171][ T6558]  ? kobject_add+0x220/0x220
[  228.900782][ T6558]  ? __init_swait_queue_head+0xa9/0x150
[  228.906347][ T6558]  gfs2_sys_fs_add+0x238/0x470
[  228.911129][ T6558]  ? gfs2_recover_set+0x250/0x250
[  228.916180][ T6558]  ? apply_workqueue_attrs+0x180/0x180
[  228.921669][ T6558]  gfs2_fill_super+0x1323/0x1f80
[  228.926638][ T6558]  ? gfs2_reconfigure+0xb10/0xb10
[  228.931692][ T6558]  ? setup_bdev_super+0x56b/0x660
[  228.936728][ T6558]  get_tree_bdev+0x3e4/0x510
[  228.941334][ T6558]  ? end_current_label_crit_section+0x170/0x170
[  228.947585][ T6558]  ? gfs2_reconfigure+0xb10/0xb10
[  228.952604][ T6558]  ? setup_bdev_super+0x660/0x660
[  228.957629][ T6558]  gfs2_get_tree+0x51/0x1e0
[  228.962133][ T6558]  vfs_get_tree+0x8c/0x280
[  228.966539][ T6558]  do_new_mount+0x24b/0xa40
[  228.971042][ T6558]  __se_sys_mount+0x2da/0x3c0
[  228.975734][ T6558]  ? __x64_sys_mount+0xc0/0xc0
[  228.980512][ T6558]  ? lockdep_hardirqs_on+0x98/0x150
[  228.985720][ T6558]  ? __x64_sys_mount+0x20/0xc0
[  228.990488][ T6558]  do_syscall_64+0x55/0xb0
[  228.994898][ T6558]  ? clear_bhb_loop+0x40/0x90
[  228.999566][ T6558]  ? clear_bhb_loop+0x40/0x90
[  229.004236][ T6558]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  229.010123][ T6558] RIP: 0033:0x7f3a55190eea
[  229.014530][ T6558] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  229.034129][ T6558] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.042536][ T6558] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  229.050497][ T6558] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  229.058549][ T6558] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  229.066514][ T6558] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  229.074480][ T6558] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  229.082453][ T6558]  </TASK>
[  229.091103][ T6558] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.105213][ T6558] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  229.461547][ T6561] loop1: detected capacity change from 0 to 32768
[  229.477196][ T6561] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  229.484611][ T6561] CPU: 1 PID: 6561 Comm: syz.1.217 Not tainted syzkaller #0
[  229.491916][ T6561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  229.501989][ T6561] Call Trace:
[  229.505287][ T6561]  <TASK>
[  229.508239][ T6561]  dump_stack_lvl+0x16c/0x230
[  229.512948][ T6561]  ? show_regs_print_info+0x20/0x20
[  229.518174][ T6561]  ? load_image+0x3b0/0x3b0
[  229.522706][ T6561]  sysfs_create_dir_ns+0x256/0x280
[  229.527842][ T6561]  ? sysfs_warn_dup+0xa0/0xa0
[  229.532544][ T6561]  ? do_raw_spin_unlock+0x121/0x230
[  229.537775][ T6561]  kobject_add_internal+0x6b8/0xc70
[  229.542983][ T6561]  kobject_init_and_add+0x126/0x190
[  229.548179][ T6561]  ? lockdep_softirqs_off+0x430/0x430
[  229.553549][ T6561]  ? kobject_add+0x220/0x220
[  229.558138][ T6561]  ? __init_swait_queue_head+0xa9/0x150
[  229.563676][ T6561]  gfs2_sys_fs_add+0x238/0x470
[  229.568434][ T6561]  ? gfs2_recover_set+0x250/0x250
[  229.573458][ T6561]  ? apply_workqueue_attrs+0x180/0x180
[  229.578914][ T6561]  gfs2_fill_super+0x1323/0x1f80
[  229.583851][ T6561]  ? gfs2_reconfigure+0xb10/0xb10
[  229.588896][ T6561]  ? setup_bdev_super+0x56b/0x660
[  229.593911][ T6561]  get_tree_bdev+0x3e4/0x510
[  229.598490][ T6561]  ? end_current_label_crit_section+0x170/0x170
[  229.604722][ T6561]  ? gfs2_reconfigure+0xb10/0xb10
[  229.609736][ T6561]  ? setup_bdev_super+0x660/0x660
[  229.614752][ T6561]  gfs2_get_tree+0x51/0x1e0
[  229.619250][ T6561]  vfs_get_tree+0x8c/0x280
[  229.623655][ T6561]  do_new_mount+0x24b/0xa40
[  229.628151][ T6561]  __se_sys_mount+0x2da/0x3c0
[  229.632819][ T6561]  ? __x64_sys_mount+0xc0/0xc0
[  229.637572][ T6561]  ? lockdep_hardirqs_on+0x98/0x150
[  229.642761][ T6561]  ? __x64_sys_mount+0x20/0xc0
[  229.647517][ T6561]  do_syscall_64+0x55/0xb0
[  229.651924][ T6561]  ? clear_bhb_loop+0x40/0x90
[  229.656593][ T6561]  ? clear_bhb_loop+0x40/0x90
[  229.661262][ T6561]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  229.667151][ T6561] RIP: 0033:0x7f3a55190eea
[  229.671554][ T6561] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  229.691153][ T6561] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.699568][ T6561] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  229.707530][ T6561] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  229.715549][ T6561] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  229.723543][ T6561] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  229.731504][ T6561] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  229.739474][ T6561]  </TASK>
[  229.744485][ T6561] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.758588][ T6561] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  230.110388][ T6566] loop1: detected capacity change from 0 to 32768
[  230.122949][ T6566] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  230.131671][ T6566] CPU: 1 PID: 6566 Comm: syz.1.218 Not tainted syzkaller #0
[  230.139004][ T6566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  230.149080][ T6566] Call Trace:
[  230.152385][ T6566]  <TASK>
[  230.155336][ T6566]  dump_stack_lvl+0x16c/0x230
[  230.160139][ T6566]  ? show_regs_print_info+0x20/0x20
[  230.165362][ T6566]  ? load_image+0x3b0/0x3b0
[  230.169915][ T6566]  sysfs_create_dir_ns+0x256/0x280
[  230.175052][ T6566]  ? sysfs_warn_dup+0xa0/0xa0
[  230.179758][ T6566]  ? do_raw_spin_unlock+0x121/0x230
[  230.184986][ T6566]  kobject_add_internal+0x6b8/0xc70
[  230.190231][ T6566]  kobject_init_and_add+0x126/0x190
[  230.195452][ T6566]  ? lockdep_softirqs_off+0x430/0x430
[  230.200865][ T6566]  ? kobject_add+0x220/0x220
[  230.205479][ T6566]  ? __init_swait_queue_head+0xa9/0x150
[  230.211050][ T6566]  gfs2_sys_fs_add+0x238/0x470
[  230.215835][ T6566]  ? gfs2_recover_set+0x250/0x250
[  230.220945][ T6566]  ? apply_workqueue_attrs+0x180/0x180
[  230.226433][ T6566]  gfs2_fill_super+0x1323/0x1f80
[  230.231401][ T6566]  ? gfs2_reconfigure+0xb10/0xb10
[  230.236454][ T6566]  ? setup_bdev_super+0x56b/0x660
[  230.241492][ T6566]  get_tree_bdev+0x3e4/0x510
[  230.246095][ T6566]  ? end_current_label_crit_section+0x170/0x170
[  230.252329][ T6566]  ? gfs2_reconfigure+0xb10/0xb10
[  230.257360][ T6566]  ? setup_bdev_super+0x660/0x660
[  230.262399][ T6566]  gfs2_get_tree+0x51/0x1e0
[  230.266897][ T6566]  vfs_get_tree+0x8c/0x280
[  230.271300][ T6566]  do_new_mount+0x24b/0xa40
[  230.275790][ T6566]  __se_sys_mount+0x2da/0x3c0
[  230.280452][ T6566]  ? __x64_sys_mount+0xc0/0xc0
[  230.285209][ T6566]  ? lockdep_hardirqs_on+0x98/0x150
[  230.290394][ T6566]  ? __x64_sys_mount+0x20/0xc0
[  230.295140][ T6566]  do_syscall_64+0x55/0xb0
[  230.299539][ T6566]  ? clear_bhb_loop+0x40/0x90
[  230.304200][ T6566]  ? clear_bhb_loop+0x40/0x90
[  230.308874][ T6566]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  230.314747][ T6566] RIP: 0033:0x7f3a55190eea
[  230.319177][ T6566] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  230.338776][ T6566] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.347178][ T6566] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  230.355132][ T6566] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  230.363094][ T6566] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  230.371140][ T6566] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  230.379100][ T6566] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  230.387070][ T6566]  </TASK>
[  230.398606][ T6566] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  230.413048][ T6566] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/02 00:24:31 executed programs: 204
[  230.785891][ T6571] loop1: detected capacity change from 0 to 32768
[  230.798277][ T6571] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  230.805769][ T6571] CPU: 0 PID: 6571 Comm: syz.1.219 Not tainted syzkaller #0
[  230.813076][ T6571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  230.823145][ T6571] Call Trace:
[  230.826442][ T6571]  <TASK>
[  230.829386][ T6571]  dump_stack_lvl+0x16c/0x230
[  230.834100][ T6571]  ? show_regs_print_info+0x20/0x20
[  230.839325][ T6571]  ? load_image+0x3b0/0x3b0
[  230.843867][ T6571]  sysfs_create_dir_ns+0x256/0x280
[  230.849001][ T6571]  ? sysfs_warn_dup+0xa0/0xa0
[  230.853702][ T6571]  ? do_raw_spin_unlock+0x121/0x230
[  230.858917][ T6571]  kobject_add_internal+0x6b8/0xc70
[  230.864116][ T6571]  kobject_init_and_add+0x126/0x190
[  230.869308][ T6571]  ? lockdep_softirqs_off+0x430/0x430
[  230.874677][ T6571]  ? kobject_add+0x220/0x220
[  230.879278][ T6571]  ? __init_swait_queue_head+0xa9/0x150
[  230.884823][ T6571]  gfs2_sys_fs_add+0x238/0x470
[  230.889590][ T6571]  ? gfs2_recover_set+0x250/0x250
[  230.894623][ T6571]  ? apply_workqueue_attrs+0x180/0x180
[  230.900089][ T6571]  gfs2_fill_super+0x1323/0x1f80
[  230.905037][ T6571]  ? gfs2_reconfigure+0xb10/0xb10
[  230.910066][ T6571]  ? setup_bdev_super+0x56b/0x660
[  230.915085][ T6571]  get_tree_bdev+0x3e4/0x510
[  230.919667][ T6571]  ? end_current_label_crit_section+0x170/0x170
[  230.925919][ T6571]  ? gfs2_reconfigure+0xb10/0xb10
[  230.930950][ T6571]  ? setup_bdev_super+0x660/0x660
[  230.935983][ T6571]  gfs2_get_tree+0x51/0x1e0
[  230.940493][ T6571]  vfs_get_tree+0x8c/0x280
[  230.944905][ T6571]  do_new_mount+0x24b/0xa40
[  230.949409][ T6571]  __se_sys_mount+0x2da/0x3c0
[  230.954084][ T6571]  ? __x64_sys_mount+0xc0/0xc0
[  230.958840][ T6571]  ? lockdep_hardirqs_on+0x98/0x150
[  230.964028][ T6571]  ? __x64_sys_mount+0x20/0xc0
[  230.968788][ T6571]  do_syscall_64+0x55/0xb0
[  230.973197][ T6571]  ? clear_bhb_loop+0x40/0x90
[  230.977866][ T6571]  ? clear_bhb_loop+0x40/0x90
[  230.982537][ T6571]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  230.988423][ T6571] RIP: 0033:0x7f3a55190eea
[  230.992829][ T6571] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  231.012425][ T6571] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.020852][ T6571] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  231.028826][ T6571] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  231.036798][ T6571] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  231.044771][ T6571] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  231.052736][ T6571] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  231.060724][ T6571]  </TASK>
[  231.071974][ T6571] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.088777][ T6571] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  231.414674][ T6574] loop1: detected capacity change from 0 to 32768
[  231.428580][ T6574] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  231.436122][ T6574] CPU: 0 PID: 6574 Comm: syz.1.220 Not tainted syzkaller #0
[  231.443417][ T6574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  231.453486][ T6574] Call Trace:
[  231.456780][ T6574]  <TASK>
[  231.459744][ T6574]  dump_stack_lvl+0x16c/0x230
[  231.464461][ T6574]  ? show_regs_print_info+0x20/0x20
[  231.469685][ T6574]  ? load_image+0x3b0/0x3b0
[  231.474221][ T6574]  sysfs_create_dir_ns+0x256/0x280
[  231.479360][ T6574]  ? sysfs_warn_dup+0xa0/0xa0
[  231.484059][ T6574]  ? do_raw_spin_unlock+0x121/0x230
[  231.489280][ T6574]  kobject_add_internal+0x6b8/0xc70
[  231.494506][ T6574]  kobject_init_and_add+0x126/0x190
[  231.499729][ T6574]  ? lockdep_softirqs_off+0x430/0x430
[  231.505135][ T6574]  ? kobject_add+0x220/0x220
[  231.509754][ T6574]  ? __init_swait_queue_head+0xa9/0x150
[  231.515320][ T6574]  gfs2_sys_fs_add+0x238/0x470
[  231.520102][ T6574]  ? gfs2_recover_set+0x250/0x250
[  231.525153][ T6574]  ? apply_workqueue_attrs+0x180/0x180
[  231.530641][ T6574]  gfs2_fill_super+0x1323/0x1f80
[  231.535613][ T6574]  ? gfs2_reconfigure+0xb10/0xb10
[  231.540668][ T6574]  ? setup_bdev_super+0x56b/0x660
[  231.545709][ T6574]  get_tree_bdev+0x3e4/0x510
[  231.550318][ T6574]  ? end_current_label_crit_section+0x170/0x170
[  231.556556][ T6574]  ? gfs2_reconfigure+0xb10/0xb10
[  231.561574][ T6574]  ? setup_bdev_super+0x660/0x660
[  231.566595][ T6574]  gfs2_get_tree+0x51/0x1e0
[  231.571094][ T6574]  vfs_get_tree+0x8c/0x280
[  231.575501][ T6574]  do_new_mount+0x24b/0xa40
[  231.580002][ T6574]  __se_sys_mount+0x2da/0x3c0
[  231.584675][ T6574]  ? __x64_sys_mount+0xc0/0xc0
[  231.589434][ T6574]  ? lockdep_hardirqs_on+0x98/0x150
[  231.594628][ T6574]  ? __x64_sys_mount+0x20/0xc0
[  231.599386][ T6574]  do_syscall_64+0x55/0xb0
[  231.603815][ T6574]  ? clear_bhb_loop+0x40/0x90
[  231.608485][ T6574]  ? clear_bhb_loop+0x40/0x90
[  231.613161][ T6574]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  231.619044][ T6574] RIP: 0033:0x7f3a55190eea
[  231.623448][ T6574] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  231.643046][ T6574] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.651463][ T6574] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  231.659428][ T6574] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  231.667388][ T6574] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  231.675349][ T6574] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  231.683314][ T6574] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  231.691287][ T6574]  </TASK>
[  231.701868][ T6574] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.716363][ T6574] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  232.068583][ T6577] loop1: detected capacity change from 0 to 32768
[  232.081381][ T6577] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  232.088917][ T6577] CPU: 0 PID: 6577 Comm: syz.1.221 Not tainted syzkaller #0
[  232.096218][ T6577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  232.106288][ T6577] Call Trace:
[  232.109585][ T6577]  <TASK>
[  232.112530][ T6577]  dump_stack_lvl+0x16c/0x230
[  232.117235][ T6577]  ? show_regs_print_info+0x20/0x20
[  232.122455][ T6577]  ? load_image+0x3b0/0x3b0
[  232.126989][ T6577]  sysfs_create_dir_ns+0x256/0x280
[  232.132120][ T6577]  ? sysfs_warn_dup+0xa0/0xa0
[  232.136821][ T6577]  ? do_raw_spin_unlock+0x121/0x230
[  232.142038][ T6577]  kobject_add_internal+0x6b8/0xc70
[  232.147264][ T6577]  kobject_init_and_add+0x126/0x190
[  232.152480][ T6577]  ? lockdep_softirqs_off+0x430/0x430
[  232.157869][ T6577]  ? kobject_add+0x220/0x220
[  232.162476][ T6577]  ? __init_swait_queue_head+0xa9/0x150
[  232.168037][ T6577]  gfs2_sys_fs_add+0x238/0x470
[  232.172826][ T6577]  ? gfs2_recover_set+0x250/0x250
[  232.177883][ T6577]  ? apply_workqueue_attrs+0x180/0x180
[  232.183368][ T6577]  gfs2_fill_super+0x1323/0x1f80
[  232.188420][ T6577]  ? gfs2_reconfigure+0xb10/0xb10
[  232.193474][ T6577]  ? setup_bdev_super+0x56b/0x660
[  232.198515][ T6577]  get_tree_bdev+0x3e4/0x510
[  232.203114][ T6577]  ? end_current_label_crit_section+0x170/0x170
[  232.209345][ T6577]  ? gfs2_reconfigure+0xb10/0xb10
[  232.214357][ T6577]  ? setup_bdev_super+0x660/0x660
[  232.219373][ T6577]  gfs2_get_tree+0x51/0x1e0
[  232.223870][ T6577]  vfs_get_tree+0x8c/0x280
[  232.228274][ T6577]  do_new_mount+0x24b/0xa40
[  232.232765][ T6577]  __se_sys_mount+0x2da/0x3c0
[  232.237428][ T6577]  ? __x64_sys_mount+0xc0/0xc0
[  232.242173][ T6577]  ? lockdep_hardirqs_on+0x98/0x150
[  232.247357][ T6577]  ? __x64_sys_mount+0x20/0xc0
[  232.252116][ T6577]  do_syscall_64+0x55/0xb0
[  232.256513][ T6577]  ? clear_bhb_loop+0x40/0x90
[  232.261173][ T6577]  ? clear_bhb_loop+0x40/0x90
[  232.265834][ T6577]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  232.271712][ T6577] RIP: 0033:0x7f3a55190eea
[  232.276113][ T6577] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  232.295707][ T6577] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  232.304108][ T6577] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  232.312065][ T6577] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  232.320030][ T6577] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  232.327986][ T6577] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  232.335941][ T6577] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  232.343912][ T6577]  </TASK>
[  232.349778][ T6577] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  232.364121][ T6577] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  232.728785][ T6580] loop1: detected capacity change from 0 to 32768
[  232.743742][ T6580] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  232.751226][ T6580] CPU: 1 PID: 6580 Comm: syz.1.222 Not tainted syzkaller #0
[  232.758530][ T6580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  232.768610][ T6580] Call Trace:
[  232.771900][ T6580]  <TASK>
[  232.774844][ T6580]  dump_stack_lvl+0x16c/0x230
[  232.779560][ T6580]  ? show_regs_print_info+0x20/0x20
[  232.784783][ T6580]  ? load_image+0x3b0/0x3b0
[  232.789318][ T6580]  sysfs_create_dir_ns+0x256/0x280
[  232.794464][ T6580]  ? sysfs_warn_dup+0xa0/0xa0
[  232.799164][ T6580]  ? do_raw_spin_unlock+0x121/0x230
[  232.804384][ T6580]  kobject_add_internal+0x6b8/0xc70
[  232.809608][ T6580]  kobject_init_and_add+0x126/0x190
[  232.814830][ T6580]  ? lockdep_softirqs_off+0x430/0x430
[  232.820223][ T6580]  ? kobject_add+0x220/0x220
[  232.824835][ T6580]  ? __init_swait_queue_head+0xa9/0x150
[  232.830400][ T6580]  gfs2_sys_fs_add+0x238/0x470
[  232.835178][ T6580]  ? gfs2_recover_set+0x250/0x250
[  232.840220][ T6580]  ? apply_workqueue_attrs+0x180/0x180
[  232.845706][ T6580]  gfs2_fill_super+0x1323/0x1f80
[  232.850681][ T6580]  ? gfs2_reconfigure+0xb10/0xb10
[  232.855736][ T6580]  ? setup_bdev_super+0x56b/0x660
[  232.860775][ T6580]  get_tree_bdev+0x3e4/0x510
[  232.865381][ T6580]  ? end_current_label_crit_section+0x170/0x170
[  232.871632][ T6580]  ? gfs2_reconfigure+0xb10/0xb10
[  232.876654][ T6580]  ? setup_bdev_super+0x660/0x660
[  232.881673][ T6580]  gfs2_get_tree+0x51/0x1e0
[  232.886172][ T6580]  vfs_get_tree+0x8c/0x280
[  232.890573][ T6580]  do_new_mount+0x24b/0xa40
[  232.895060][ T6580]  __se_sys_mount+0x2da/0x3c0
[  232.899722][ T6580]  ? __x64_sys_mount+0xc0/0xc0
[  232.904470][ T6580]  ? lockdep_hardirqs_on+0x98/0x150
[  232.909651][ T6580]  ? __x64_sys_mount+0x20/0xc0
[  232.914403][ T6580]  do_syscall_64+0x55/0xb0
[  232.918803][ T6580]  ? clear_bhb_loop+0x40/0x90
[  232.923463][ T6580]  ? clear_bhb_loop+0x40/0x90
[  232.928124][ T6580]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  232.934000][ T6580] RIP: 0033:0x7f3a55190eea
[  232.938398][ T6580] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  232.957992][ T6580] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  232.966390][ T6580] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  232.974344][ T6580] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  232.982300][ T6580] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  232.990258][ T6580] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  232.998213][ T6580] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  233.006177][ T6580]  </TASK>
[  233.010335][ T6580] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  233.025719][ T6580] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  233.366595][ T6583] loop1: detected capacity change from 0 to 32768
[  233.380451][ T6583] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  233.396077][ T6583] CPU: 1 PID: 6583 Comm: syz.1.223 Not tainted syzkaller #0
[  233.403405][ T6583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  233.413477][ T6583] Call Trace:
[  233.416771][ T6583]  <TASK>
[  233.419716][ T6583]  dump_stack_lvl+0x16c/0x230
[  233.424420][ T6583]  ? show_regs_print_info+0x20/0x20
[  233.429650][ T6583]  ? load_image+0x3b0/0x3b0
[  233.434277][ T6583]  sysfs_create_dir_ns+0x256/0x280
[  233.439420][ T6583]  ? sysfs_warn_dup+0xa0/0xa0
[  233.444124][ T6583]  ? do_raw_spin_unlock+0x121/0x230
[  233.449350][ T6583]  kobject_add_internal+0x6b8/0xc70
[  233.454577][ T6583]  kobject_init_and_add+0x126/0x190
[  233.459806][ T6583]  ? lockdep_softirqs_off+0x430/0x430
[  233.465202][ T6583]  ? kobject_add+0x220/0x220
[  233.469823][ T6583]  ? __init_swait_queue_head+0xa9/0x150
[  233.475388][ T6583]  gfs2_sys_fs_add+0x238/0x470
[  233.480170][ T6583]  ? gfs2_recover_set+0x250/0x250
[  233.485222][ T6583]  ? apply_workqueue_attrs+0x180/0x180
[  233.490692][ T6583]  gfs2_fill_super+0x1323/0x1f80
[  233.495622][ T6583]  ? gfs2_reconfigure+0xb10/0xb10
[  233.500644][ T6583]  ? setup_bdev_super+0x56b/0x660
[  233.505656][ T6583]  get_tree_bdev+0x3e4/0x510
[  233.510231][ T6583]  ? end_current_label_crit_section+0x170/0x170
[  233.516465][ T6583]  ? gfs2_reconfigure+0xb10/0xb10
[  233.521480][ T6583]  ? setup_bdev_super+0x660/0x660
[  233.526497][ T6583]  gfs2_get_tree+0x51/0x1e0
[  233.530997][ T6583]  vfs_get_tree+0x8c/0x280
[  233.535403][ T6583]  do_new_mount+0x24b/0xa40
[  233.539900][ T6583]  __se_sys_mount+0x2da/0x3c0
[  233.544569][ T6583]  ? __x64_sys_mount+0xc0/0xc0
[  233.549326][ T6583]  ? lockdep_hardirqs_on+0x98/0x150
[  233.554515][ T6583]  ? __x64_sys_mount+0x20/0xc0
[  233.559267][ T6583]  do_syscall_64+0x55/0xb0
[  233.563671][ T6583]  ? clear_bhb_loop+0x40/0x90
[  233.568423][ T6583]  ? clear_bhb_loop+0x40/0x90
[  233.573088][ T6583]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  233.578967][ T6583] RIP: 0033:0x7f3a55190eea
[  233.583370][ T6583] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  233.602967][ T6583] RSP: 002b:00007ffd1f303088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  233.611371][ T6583] RAX: ffffffffffffffda RBX: 00007ffd1f303110 RCX: 00007f3a55190eea
[  233.619331][ T6583] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffd1f3030d0
[  233.627288][ T6583] RBP: 0000200000000000 R08: 00007ffd1f303110 R09: 0000000000208c1b
[  233.635245][ T6583] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  233.643203][ T6583] R13: 00007ffd1f3030d0 R14: 0000000000012754 R15: 0000200000012900
[  233.651175][ T6583]  </TASK>
[  233.658228][   T29] INFO: task syz-executor:5875 blocked for more than 143 seconds.
[  233.659018][ T6583] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  233.666283][   T29]       Not tainted syzkaller #0
[  233.685399][   T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  233.687282][ T6583] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  233.694547][   T29] task:syz-executor    state:D stack:21736 pid:5875  ppid:1      flags:0x00004004
[  233.712525][   T29] Call Trace:
[  233.715870][   T29]  <TASK>
[  233.718908][   T29]  __schedule+0x14d2/0x44d0
[  233.723438][   T29]  ? asan.module_dtor+0x20/0x20
[  233.728416][   T29]  ? lockdep_hardirqs_on_prepare+0x400/0x760
[  233.734407][   T29]  ? lock_chain_count+0x20/0x20
[  233.739829][   T29]  ? lockdep_hardirqs_on+0x98/0x150
[  233.745042][   T29]  ? _raw_spin_unlock_irqrestore+0xae/0x110
[  233.750982][   T29]  ? _raw_spin_unlock+0x40/0x40
[  233.755839][   T29]  schedule+0xbd/0x170
[  233.759956][   T29]  bit_wait+0x11/0xd0
[  233.763941][   T29]  __wait_on_bit+0xac/0x2d0
[  233.768493][   T29]  ? out_of_line_wait_on_bit_lock+0x170/0x170
[  233.774571][   T29]  ? out_of_line_wait_on_bit_lock+0x170/0x170
[  233.780879][   T29]  out_of_line_wait_on_bit+0x123/0x170
[  233.786813][   T29]  ? __wait_on_bit+0x2d0/0x2d0
[  233.791601][   T29]  ? bit_waitqueue+0x30/0x30
[  233.796242][   T29]  gfs2_glock_wait+0xbd/0x2a0
[  233.800928][   T29]  __gfs2_lookup+0x118/0x270
[  233.805506][   T29]  ? lockdep_softirqs_off+0x430/0x430
[  233.810936][   T29]  ? gfs2_atomic_open+0x220/0x220
[  233.816028][   T29]  ? __lookup_slow+0x281/0x3b0
[  233.820801][   T29]  ? __init_waitqueue_head+0xa9/0x150
[  233.826223][   T29]  __lookup_slow+0x281/0x3b0
[  233.830823][   T29]  ? lookup_one_len+0x2c0/0x2c0
[  233.835670][   T29]  ? down_read+0x1ac/0x2e0
[  233.840583][   T29]  lookup_slow+0x53/0x70
[  233.844847][   T29]  walk_component+0x2be/0x3f0
[  233.849571][   T29]  ? path_lookupat+0x15c/0x440
[  233.854347][   T29]  path_lookupat+0x169/0x440
[  233.858976][   T29]  filename_lookup+0x1f4/0x510
[  233.863746][   T29]  ? __virt_addr_valid+0x18c/0x540
[  233.868919][   T29]  ? hashlen_string+0x110/0x110
[  233.873787][   T29]  ? strncpy_from_user+0x197/0x2e0
[  233.878941][   T29]  ? getname_flags+0x20a/0x500
[  233.883715][   T29]  user_path_at_empty+0x42/0x60
[  233.888649][   T29]  __x64_sys_umount+0xf5/0x170
[  233.893428][   T29]  ? path_umount+0xef0/0xef0
[  233.898106][   T29]  ? lockdep_hardirqs_on+0x98/0x150
[  233.903411][   T29]  do_syscall_64+0x55/0xb0
[  233.907894][   T29]  ? clear_bhb_loop+0x40/0x90
[  233.912590][   T29]  ? clear_bhb_loop+0x40/0x90
[  233.917337][   T29]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  233.923253][   T29] RIP: 0033:0x7fee44990a77
[  233.927737][   T29] RSP: 002b:00007fffce015118 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  233.936219][   T29] RAX: ffffffffffffffda RBX: 00007fee44a13d7d RCX: 00007fee44990a77
[  233.944547][   T29] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffce0151d0
[  233.952611][   T29] RBP: 00007fffce0151d0 R08: 0000000000000000 R09: 0000000000000000
[  233.960635][   T29] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fffce0162c0
[  233.968654][   T29] R13: 00007fee44a13d7d R14: 000055555da0c4a8 R15: 00007fffce018480
[  233.976671][   T29]  </TASK>
[  233.979904][   T29] 
[  233.979904][   T29] Showing all locks held in the system:
[  233.987702][   T29] 1 lock held by ksoftirqd/0/16:
[  233.992646][   T29] 1 lock held by khungtaskd/29:
[  233.997540][   T29]  #0: ffffffff8cd2ff20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x290
[  234.007481][   T29] 2 locks held by getty/5526:
[  234.012143][   T29]  #0: ffff88802d6fb0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  234.021965][   T29]  #1: ffffc900015d72f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x425/0x1380
[  234.032156][   T29] 1 lock held by syz-executor/5875:
[  234.037394][   T29]  #0: ffff88806cdb1c40 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x46/0x70
[  234.047983][   T29] 
[  234.050322][   T29] =============================================
[  234.050322][   T29] 
[  234.059238][   T29] NMI backtrace for cpu 0
[  234.063575][   T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[  234.070758][   T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  234.080809][   T29] Call Trace:
[  234.084095][   T29]  <TASK>
[  234.087034][   T29]  dump_stack_lvl+0x16c/0x230
[  234.091730][   T29]  ? show_regs_print_info+0x20/0x20
[  234.096942][   T29]  ? load_image+0x3b0/0x3b0
[  234.101465][   T29]  nmi_cpu_backtrace+0x39b/0x3d0
[  234.106411][   T29]  ? nmi_trigger_cpumask_backtrace+0x2f0/0x2f0
[  234.112570][   T29]  ? _printk+0xd0/0x110
[  234.116737][   T29]  ? load_image+0x3b0/0x3b0
[  234.121253][   T29]  ? load_image+0x3b0/0x3b0
[  234.125774][   T29]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  234.131858][   T29]  nmi_trigger_cpumask_backtrace+0x17a/0x2f0
[  234.137857][   T29]  watchdog+0xf41/0xf80
[  234.142027][   T29]  ? watchdog+0x1e1/0xf80
[  234.146377][   T29]  kthread+0x2fa/0x390
[  234.150454][   T29]  ? hungtask_pm_notify+0x90/0x90
[  234.155492][   T29]  ? kthread_blkcg+0xd0/0xd0
[  234.160101][   T29]  ret_from_fork+0x48/0x80
[  234.164534][   T29]  ? kthread_blkcg+0xd0/0xd0
[  234.169151][   T29]  ret_from_fork_asm+0x11/0x20
[  234.173948][   T29]  </TASK>
[  234.177555][   T29] Sending NMI from CPU 0 to CPUs 1:
[  234.182799][    C1] NMI backtrace for cpu 1
[  234.182810][    C1] CPU: 1 PID: 59 Comm: kworker/u4:4 Not tainted syzkaller #0
[  234.182826][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  234.182835][    C1] Workqueue: events_unbound nsim_dev_trap_report_work
[  234.182858][    C1] RIP: 0010:unwind_next_frame+0x59/0x2970
[  234.182885][    C1] Code: 48 c1 e8 03 48 89 44 24 40 42 80 3c 28 00 74 08 48 89 df e8 29 5b a2 00 48 89 5c 24 20 4d 8b 7c 24 48 4d 8d 74 24 38 4c 89 f0 <48> c1 e8 03 48 89 44 24 68 42 80 3c 28 00 74 08 4c 89 f7 e8 ff 5a
[  234.182900][    C1] RSP: 0018:ffffc900015a74d8 EFLAGS: 00000246
[  234.182913][    C1] RAX: ffffc900015a75e0 RBX: ffffc900015a75f0 RCX: ffff88801e6f0000
[  234.182925][    C1] RDX: 0000000000000000 RSI: ffffffff81dcad70 RDI: ffffc900015a75a8
[  234.182937][    C1] RBP: ffffc900015a7630 R08: ffffc900015a7670 R09: 0000000000000003
[  234.182949][    C1] R10: 0000000000000004 R11: 0000000000000000 R12: ffffc900015a75a8
[  234.182960][    C1] R13: dffffc0000000000 R14: ffffc900015a75e0 R15: ffffffff81dcad70
[  234.182973][    C1] FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
[  234.182987][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  234.182998][    C1] CR2: 00007f0518e0e000 CR3: 0000000030947000 CR4: 00000000003506e0
[  234.183012][    C1] Call Trace:
[  234.183018][    C1]  <TASK>
[  234.183030][    C1]  ? slab_free_freelist_hook+0x130/0x1b0
[  234.183054][    C1]  ? __kernel_text_address+0xd/0x30
[  234.183074][    C1]  ? slab_free_freelist_hook+0x130/0x1b0
[  234.183097][    C1]  ? stack_trace_save+0xe0/0xe0
[  234.183114][    C1]  arch_stack_walk+0x144/0x190
[  234.183133][    C1]  ? slab_free_freelist_hook+0x130/0x1b0
[  234.183157][    C1]  stack_trace_save+0x9c/0xe0
[  234.183175][    C1]  ? stack_trace_snprint+0xf0/0xf0
[  234.183194][    C1]  ? chacha_block_generic+0xae/0xda0
[  234.183218][    C1]  kasan_set_track+0x4e/0x70
[  234.183234][    C1]  ? kasan_set_track+0x4e/0x70
[  234.183248][    C1]  ? kasan_save_free_info+0x2e/0x50
[  234.183266][    C1]  ? ____kasan_slab_free+0x126/0x1e0
[  234.183281][    C1]  ? slab_free_freelist_hook+0x130/0x1b0
[  234.183326][    C1]  ? __kmem_cache_free+0xba/0x1f0
[  234.183345][    C1]  kasan_save_free_info+0x2e/0x50
[  234.183364][    C1]  ____kasan_slab_free+0x126/0x1e0
[  234.183382][    C1]  slab_free_freelist_hook+0x130/0x1b0
[  234.183404][    C1]  ? lockdep_hardirqs_on_prepare+0x400/0x760
[  234.183422][    C1]  ? skb_release_data+0x634/0x800
[  234.183440][    C1]  __kmem_cache_free+0xba/0x1f0
[  234.183463][    C1]  skb_release_data+0x634/0x800
[  234.183485][    C1]  consume_skb+0xb2/0x110
[  234.183501][    C1]  nsim_dev_trap_report_work+0x76f/0xb00
[  234.183546][    C1]  ? process_scheduled_works+0x957/0x15b0
[  234.183564][    C1]  process_scheduled_works+0xa45/0x15b0
[  234.183596][    C1]  ? assign_work+0x400/0x400
[  234.183620][    C1]  ? assign_work+0x39e/0x400
[  234.183640][    C1]  worker_thread+0xa55/0xfc0
[  234.183658][    C1]  ? _raw_spin_unlock_irqrestore+0xae/0x110
[  234.183676][    C1]  ? _raw_spin_unlock+0x40/0x40
[  234.183692][    C1]  ? _raw_spin_unlock_irqrestore+0x86/0x110
[  234.183720][    C1]  kthread+0x2fa/0x390
[  234.183733][    C1]  ? pr_cont_work+0x560/0x560
[  234.183751][    C1]  ? kthread_blkcg+0xd0/0xd0
[  234.183765][    C1]  ret_from_fork+0x48/0x80
[  234.183783][    C1]  ? kthread_blkcg+0xd0/0xd0
[  234.183797][    C1]  ret_from_fork_asm+0x11/0x20
[  234.183824][    C1]  </TASK>
[  234.214866][   T29] Kernel panic - not syncing: hung_task: blocked tasks
[  234.214881][   T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[  234.214898][   T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  234.214908][   T29] Call Trace:
[  234.214915][   T29]  <TASK>
[  234.214922][   T29]  dump_stack_lvl+0x16c/0x230
[  234.214953][   T29]  ? show_regs_print_info+0x20/0x20
[  234.214976][   T29]  ? load_image+0x3b0/0x3b0
[  234.215006][   T29]  panic+0x2c0/0x710
[  234.215024][   T29]  ? schedule_preempt_disabled+0x20/0x20
[  234.215051][   T29]  ? bpf_jit_dump+0xd0/0xd0
[  234.215069][   T29]  ? __irq_work_queue_local+0x13a/0x3b0
[  234.215090][   T29]  ? nmi_trigger_cpumask_backtrace+0x2a4/0x2f0
[  234.215113][   T29]  watchdog+0xf80/0xf80
[  234.215134][   T29]  ? watchdog+0x1e1/0xf80
[  234.215158][   T29]  kthread+0x2fa/0x390
[  234.215172][   T29]  ? hungtask_pm_notify+0x90/0x90
[  234.215191][   T29]  ? kthread_blkcg+0xd0/0xd0
[  234.215206][   T29]  ret_from_fork+0x48/0x80
[  234.215223][   T29]  ? kthread_blkcg+0xd0/0xd0
[  234.215239][   T29]  ret_from_fork_asm+0x11/0x20
[  234.215270][   T29]  </TASK>
[  234.220634][   T29] Kernel Offset: disabled
[  234.622610][   T29] Rebooting in 86400 seconds..