49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  299.328311][ T4640] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  299.336788][ T4640] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  299.344808][ T4640] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  299.352840][ T4640] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  299.360861][ T4640] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  299.368885][ T4640] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  299.376927][ T4640]  </TASK>
[  299.386388][ T4640] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  299.399744][ T4640] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  299.805766][ T4641] loop1: detected capacity change from 0 to 32768
[  299.828365][ T4641] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  299.836324][ T4641] CPU: 1 PID: 4641 Comm: syz.1.181 Not tainted syzkaller #0
[  299.843681][ T4641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  299.853768][ T4641] Call Trace:
[  299.857074][ T4641]  <TASK>
[  299.860037][ T4641]  dump_stack_lvl+0x188/0x24e
[  299.864762][ T4641]  ? show_regs_print_info+0x12/0x12
[  299.870001][ T4641]  ? load_image+0x400/0x400
[  299.874552][ T4641]  sysfs_create_dir_ns+0x26a/0x290
[  299.879701][ T4641]  ? sysfs_warn_dup+0xa0/0xa0
[  299.884412][ T4641]  ? do_raw_spin_unlock+0x11d/0x230
[  299.889641][ T4641]  kobject_add_internal+0x61c/0xcc0
[  299.894877][ T4641]  kobject_init_and_add+0x128/0x190
[  299.900109][ T4641]  ? lockdep_softirqs_off+0x430/0x430
[  299.905523][ T4641]  ? kobject_add+0x230/0x230
[  299.910147][ T4641]  ? __init_swait_queue_head+0xa5/0x150
[  299.915730][ T4641]  gfs2_sys_fs_add+0x24f/0x4b0
[  299.920538][ T4641]  ? gfs2_recover_set+0x240/0x240
[  299.925603][ T4641]  ? snprintf+0xe5/0x140
[  299.929906][ T4641]  ? vscnprintf+0x80/0x80
[  299.934275][ T4641]  gfs2_fill_super+0x128c/0x1fb0
[  299.939253][ T4641]  ? gfs2_reconfigure+0xd30/0xd30
[  299.944311][ T4641]  ? sb_set_blocksize+0xa5/0xe0
[  299.949200][ T4641]  get_tree_bdev+0x3f1/0x610
[  299.953820][ T4641]  ? gfs2_reconfigure+0xd30/0xd30
[  299.958880][ T4641]  gfs2_get_tree+0x4d/0x1e0
[  299.963412][ T4641]  vfs_get_tree+0x88/0x270
[  299.967860][ T4641]  do_new_mount+0x24a/0xa40
[  299.972406][ T4641]  __se_sys_mount+0x2e3/0x3d0
[  299.977115][ T4641]  ? __x64_sys_mount+0xc0/0xc0
[  299.981919][ T4641]  ? lockdep_hardirqs_on+0x94/0x140
[  299.987142][ T4641]  ? __x64_sys_mount+0x1c/0xc0
[  299.991945][ T4641]  do_syscall_64+0x4c/0xa0
[  299.996418][ T4641]  ? clear_bhb_loop+0x60/0xb0
[  300.001130][ T4641]  ? clear_bhb_loop+0x60/0xb0
[  300.005857][ T4641]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  300.011779][ T4641] RIP: 0033:0x7f360b99e04a
[  300.016222][ T4641] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  300.035863][ T4641] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  300.044307][ T4641] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  300.052397][ T4641] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  300.060398][ T4641] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  300.068422][ T4641] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  300.076418][ T4641] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  300.084437][ T4641]  </TASK>
[  300.093798][ T4641] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  300.107287][ T4641] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  300.481827][ T4642] loop1: detected capacity change from 0 to 32768
[  300.501441][ T4642] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  300.508867][ T4642] CPU: 1 PID: 4642 Comm: syz.1.182 Not tainted syzkaller #0
[  300.516179][ T4642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  300.526283][ T4642] Call Trace:
[  300.529629][ T4642]  <TASK>
[  300.532615][ T4642]  dump_stack_lvl+0x188/0x24e
[  300.537362][ T4642]  ? show_regs_print_info+0x12/0x12
[  300.542633][ T4642]  ? load_image+0x400/0x400
[  300.547208][ T4642]  sysfs_create_dir_ns+0x26a/0x290
[  300.552395][ T4642]  ? sysfs_warn_dup+0xa0/0xa0
[  300.557136][ T4642]  ? do_raw_spin_unlock+0x11d/0x230
[  300.562478][ T4642]  kobject_add_internal+0x61c/0xcc0
[  300.567735][ T4642]  kobject_init_and_add+0x128/0x190
[  300.572991][ T4642]  ? lockdep_softirqs_off+0x430/0x430
[  300.578434][ T4642]  ? kobject_add+0x230/0x230
[  300.583082][ T4642]  ? __init_swait_queue_head+0xa5/0x150
[  300.588700][ T4642]  gfs2_sys_fs_add+0x24f/0x4b0
[  300.593541][ T4642]  ? gfs2_recover_set+0x240/0x240
[  300.598674][ T4642]  ? snprintf+0xe5/0x140
[  300.602976][ T4642]  ? vscnprintf+0x80/0x80
[  300.607394][ T4642]  gfs2_fill_super+0x128c/0x1fb0
[  300.612446][ T4642]  ? gfs2_reconfigure+0xd30/0xd30
[  300.617524][ T4642]  ? sb_set_blocksize+0xa5/0xe0
[  300.622426][ T4642]  get_tree_bdev+0x3f1/0x610
[  300.627054][ T4642]  ? gfs2_reconfigure+0xd30/0xd30
[  300.632116][ T4642]  gfs2_get_tree+0x4d/0x1e0
[  300.636655][ T4642]  vfs_get_tree+0x88/0x270
[  300.641100][ T4642]  do_new_mount+0x24a/0xa40
[  300.645636][ T4642]  __se_sys_mount+0x2e3/0x3d0
[  300.650350][ T4642]  ? __x64_sys_mount+0xc0/0xc0
[  300.655154][ T4642]  ? lockdep_hardirqs_on+0x94/0x140
[  300.660386][ T4642]  ? __x64_sys_mount+0x1c/0xc0
[  300.665183][ T4642]  do_syscall_64+0x4c/0xa0
[  300.669630][ T4642]  ? clear_bhb_loop+0x60/0xb0
[  300.674342][ T4642]  ? clear_bhb_loop+0x60/0xb0
[  300.679055][ T4642]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  300.684983][ T4642] RIP: 0033:0x7f360b99e04a
[  300.689425][ T4642] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  300.709054][ T4642] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  300.717501][ T4642] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  300.725507][ T4642] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  300.733506][ T4642] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  300.741507][ T4642] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  300.749507][ T4642] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  300.757521][ T4642]  </TASK>
[  300.765708][ T4642] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  300.779179][ T4642] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  301.126522][ T4643] loop1: detected capacity change from 0 to 32768
[  301.144141][ T4643] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  301.151677][ T4643] CPU: 0 PID: 4643 Comm: syz.1.183 Not tainted syzkaller #0
[  301.159019][ T4643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  301.169138][ T4643] Call Trace:
[  301.172558][ T4643]  <TASK>
[  301.175552][ T4643]  dump_stack_lvl+0x188/0x24e
[  301.180309][ T4643]  ? show_regs_print_info+0x12/0x12
[  301.185574][ T4643]  ? load_image+0x400/0x400
[  301.190154][ T4643]  sysfs_create_dir_ns+0x26a/0x290
[  301.195329][ T4643]  ? sysfs_warn_dup+0xa0/0xa0
[  301.200152][ T4643]  ? do_raw_spin_unlock+0x11d/0x230
[  301.205398][ T4643]  kobject_add_internal+0x61c/0xcc0
[  301.210635][ T4643]  kobject_init_and_add+0x128/0x190
[  301.215862][ T4643]  ? lockdep_softirqs_off+0x430/0x430
[  301.221272][ T4643]  ? kobject_add+0x230/0x230
[  301.225895][ T4643]  ? __init_swait_queue_head+0xa5/0x150
[  301.231478][ T4643]  gfs2_sys_fs_add+0x24f/0x4b0
[  301.236286][ T4643]  ? gfs2_recover_set+0x240/0x240
[  301.241353][ T4643]  ? snprintf+0xe5/0x140
[  301.245648][ T4643]  ? vscnprintf+0x80/0x80
[  301.250042][ T4643]  gfs2_fill_super+0x128c/0x1fb0
[  301.255043][ T4643]  ? gfs2_reconfigure+0xd30/0xd30
[  301.260123][ T4643]  ? sb_set_blocksize+0xa5/0xe0
[  301.265052][ T4643]  get_tree_bdev+0x3f1/0x610
[  301.269677][ T4643]  ? gfs2_reconfigure+0xd30/0xd30
[  301.274733][ T4643]  gfs2_get_tree+0x4d/0x1e0
[  301.279267][ T4643]  vfs_get_tree+0x88/0x270
[  301.283721][ T4643]  do_new_mount+0x24a/0xa40
[  301.288258][ T4643]  __se_sys_mount+0x2e3/0x3d0
[  301.292971][ T4643]  ? __x64_sys_mount+0xc0/0xc0
[  301.297765][ T4643]  ? lockdep_hardirqs_on+0x94/0x140
[  301.302995][ T4643]  ? __x64_sys_mount+0x1c/0xc0
[  301.307787][ T4643]  do_syscall_64+0x4c/0xa0
[  301.312238][ T4643]  ? clear_bhb_loop+0x60/0xb0
[  301.316945][ T4643]  ? clear_bhb_loop+0x60/0xb0
[  301.321655][ T4643]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  301.327585][ T4643] RIP: 0033:0x7f360b99e04a
[  301.332032][ T4643] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  301.351674][ T4643] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  301.360126][ T4643] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  301.368142][ T4643] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  301.376151][ T4643] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  301.384153][ T4643] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  301.392149][ T4643] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  301.400165][ T4643]  </TASK>
[  301.412130][ T4643] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  301.427906][ T4643] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  301.789738][ T4644] loop1: detected capacity change from 0 to 32768
[  301.806794][ T4644] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  301.814576][ T4644] CPU: 1 PID: 4644 Comm: syz.1.184 Not tainted syzkaller #0
[  301.821921][ T4644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  301.832027][ T4644] Call Trace:
[  301.835357][ T4644]  <TASK>
[  301.838333][ T4644]  dump_stack_lvl+0x188/0x24e
[  301.843083][ T4644]  ? show_regs_print_info+0x12/0x12
[  301.848346][ T4644]  ? load_image+0x400/0x400
[  301.852919][ T4644]  sysfs_create_dir_ns+0x26a/0x290
[  301.858093][ T4644]  ? sysfs_warn_dup+0xa0/0xa0
[  301.862835][ T4644]  ? do_raw_spin_unlock+0x11d/0x230
[  301.868086][ T4644]  kobject_add_internal+0x61c/0xcc0
[  301.873353][ T4644]  kobject_init_and_add+0x128/0x190
[  301.878605][ T4644]  ? lockdep_softirqs_off+0x430/0x430
[  301.884037][ T4644]  ? kobject_add+0x230/0x230
[  301.888741][ T4644]  ? __init_swait_queue_head+0xa5/0x150
[  301.894354][ T4644]  gfs2_sys_fs_add+0x24f/0x4b0
[  301.899182][ T4644]  ? gfs2_recover_set+0x240/0x240
[  301.904281][ T4644]  ? snprintf+0xe5/0x140
[  301.908581][ T4644]  ? vscnprintf+0x80/0x80
[  301.912981][ T4644]  gfs2_fill_super+0x128c/0x1fb0
[  301.917986][ T4644]  ? gfs2_reconfigure+0xd30/0xd30
[  301.923066][ T4644]  ? sb_set_blocksize+0xa5/0xe0
[  301.927965][ T4644]  get_tree_bdev+0x3f1/0x610
[  301.932592][ T4644]  ? gfs2_reconfigure+0xd30/0xd30
[  301.937643][ T4644]  gfs2_get_tree+0x4d/0x1e0
[  301.942180][ T4644]  vfs_get_tree+0x88/0x270
[  301.946629][ T4644]  do_new_mount+0x24a/0xa40
[  301.951171][ T4644]  __se_sys_mount+0x2e3/0x3d0
[  301.955879][ T4644]  ? __x64_sys_mount+0xc0/0xc0
[  301.960678][ T4644]  ? lockdep_hardirqs_on+0x94/0x140
[  301.965916][ T4644]  ? __x64_sys_mount+0x1c/0xc0
[  301.970711][ T4644]  do_syscall_64+0x4c/0xa0
[  301.975168][ T4644]  ? clear_bhb_loop+0x60/0xb0
[  301.979879][ T4644]  ? clear_bhb_loop+0x60/0xb0
[  301.984598][ T4644]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  301.990533][ T4644] RIP: 0033:0x7f360b99e04a
[  301.994972][ T4644] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  302.014607][ T4644] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  302.023052][ T4644] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  302.031055][ T4644] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  302.039056][ T4644] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  302.047051][ T4644] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  302.055046][ T4644] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  302.063056][ T4644]  </TASK>
[  302.071871][ T4644] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  302.085620][ T4644] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  302.434040][ T4645] loop1: detected capacity change from 0 to 32768
[  302.447922][ T4645] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  302.467978][ T4645] CPU: 0 PID: 4645 Comm: syz.1.185 Not tainted syzkaller #0
[  302.475446][ T4645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  302.485642][ T4645] Call Trace:
[  302.488974][ T4645]  <TASK>
[  302.491951][ T4645]  dump_stack_lvl+0x188/0x24e
[  302.496698][ T4645]  ? show_regs_print_info+0x12/0x12
[  302.501962][ T4645]  ? load_image+0x400/0x400
[  302.506625][ T4645]  sysfs_create_dir_ns+0x26a/0x290
[  302.511800][ T4645]  ? sysfs_warn_dup+0xa0/0xa0
[  302.516542][ T4645]  ? do_raw_spin_unlock+0x11d/0x230
[  302.521799][ T4645]  kobject_add_internal+0x61c/0xcc0
[  302.527148][ T4645]  kobject_init_and_add+0x128/0x190
[  302.532423][ T4645]  ? lockdep_softirqs_off+0x430/0x430
[  302.537868][ T4645]  ? kobject_add+0x230/0x230
[  302.542518][ T4645]  ? __init_swait_queue_head+0xa5/0x150
[  302.548111][ T4645]  gfs2_sys_fs_add+0x24f/0x4b0
[  302.552931][ T4645]  ? gfs2_recover_set+0x240/0x240
[  302.557998][ T4645]  ? snprintf+0xe5/0x140
[  302.562295][ T4645]  ? vscnprintf+0x80/0x80
[  302.566685][ T4645]  gfs2_fill_super+0x128c/0x1fb0
[  302.571678][ T4645]  ? gfs2_reconfigure+0xd30/0xd30
[  302.576748][ T4645]  ? sb_set_blocksize+0xa5/0xe0
[  302.581657][ T4645]  get_tree_bdev+0x3f1/0x610
[  302.586287][ T4645]  ? gfs2_reconfigure+0xd30/0xd30
[  302.591347][ T4645]  gfs2_get_tree+0x4d/0x1e0
[  302.595895][ T4645]  vfs_get_tree+0x88/0x270
[  302.600352][ T4645]  do_new_mount+0x24a/0xa40
[  302.604899][ T4645]  __se_sys_mount+0x2e3/0x3d0
[  302.609614][ T4645]  ? __x64_sys_mount+0xc0/0xc0
[  302.614416][ T4645]  ? lockdep_hardirqs_on+0x94/0x140
[  302.619641][ T4645]  ? __x64_sys_mount+0x1c/0xc0
[  302.624437][ T4645]  do_syscall_64+0x4c/0xa0
[  302.628896][ T4645]  ? clear_bhb_loop+0x60/0xb0
[  302.633606][ T4645]  ? clear_bhb_loop+0x60/0xb0
[  302.638320][ T4645]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  302.644244][ T4645] RIP: 0033:0x7f360b99e04a
[  302.648686][ T4645] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  302.668320][ T4645] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  302.676764][ T4645] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  302.684769][ T4645] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  302.692769][ T4645] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  302.700765][ T4645] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  302.708757][ T4645] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  302.716767][ T4645]  </TASK>
[  302.728613][ T4645] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  302.742972][ T4645] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/05/10 14:33:11 executed programs: 171
[  303.096468][ T4646] loop1: detected capacity change from 0 to 32768
[  303.124017][ T4646] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  303.131547][ T4646] CPU: 0 PID: 4646 Comm: syz.1.186 Not tainted syzkaller #0
[  303.138878][ T4646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  303.148983][ T4646] Call Trace:
[  303.152306][ T4646]  <TASK>
[  303.155277][ T4646]  dump_stack_lvl+0x188/0x24e
[  303.160017][ T4646]  ? show_regs_print_info+0x12/0x12
[  303.165326][ T4646]  ? load_image+0x400/0x400
[  303.169897][ T4646]  sysfs_create_dir_ns+0x26a/0x290
[  303.175078][ T4646]  ? sysfs_warn_dup+0xa0/0xa0
[  303.179810][ T4646]  ? do_raw_spin_unlock+0x11d/0x230
[  303.185061][ T4646]  kobject_add_internal+0x61c/0xcc0
[  303.190320][ T4646]  kobject_init_and_add+0x128/0x190
[  303.195570][ T4646]  ? lockdep_softirqs_off+0x430/0x430
[  303.201007][ T4646]  ? kobject_add+0x230/0x230
[  303.205639][ T4646]  ? __init_swait_queue_head+0xa5/0x150
[  303.211230][ T4646]  gfs2_sys_fs_add+0x24f/0x4b0
[  303.216036][ T4646]  ? gfs2_recover_set+0x240/0x240
[  303.221115][ T4646]  ? snprintf+0xe5/0x140
[  303.225436][ T4646]  ? vscnprintf+0x80/0x80
[  303.229801][ T4646]  gfs2_fill_super+0x128c/0x1fb0
[  303.234778][ T4646]  ? gfs2_reconfigure+0xd30/0xd30
[  303.239834][ T4646]  ? sb_set_blocksize+0xa5/0xe0
[  303.244726][ T4646]  get_tree_bdev+0x3f1/0x610
[  303.249359][ T4646]  ? gfs2_reconfigure+0xd30/0xd30
[  303.254418][ T4646]  gfs2_get_tree+0x4d/0x1e0
[  303.258949][ T4646]  vfs_get_tree+0x88/0x270
[  303.263399][ T4646]  do_new_mount+0x24a/0xa40
[  303.267940][ T4646]  __se_sys_mount+0x2e3/0x3d0
[  303.272656][ T4646]  ? __x64_sys_mount+0xc0/0xc0
[  303.277455][ T4646]  ? lockdep_hardirqs_on+0x94/0x140
[  303.282678][ T4646]  ? __x64_sys_mount+0x1c/0xc0
[  303.287480][ T4646]  do_syscall_64+0x4c/0xa0
[  303.291954][ T4646]  ? clear_bhb_loop+0x60/0xb0
[  303.296677][ T4646]  ? clear_bhb_loop+0x60/0xb0
[  303.301419][ T4646]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  303.307359][ T4646] RIP: 0033:0x7f360b99e04a
[  303.311800][ T4646] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  303.331450][ T4646] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  303.339897][ T4646] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  303.347893][ T4646] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  303.355898][ T4646] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  303.363905][ T4646] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  303.371919][ T4646] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  303.379951][ T4646]  </TASK>
[  303.386151][ T4646] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  303.399678][ T4646] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  303.750137][ T4647] loop1: detected capacity change from 0 to 32768
[  303.766837][ T4647] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  303.774428][ T4647] CPU: 1 PID: 4647 Comm: syz.1.187 Not tainted syzkaller #0
[  303.781760][ T4647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  303.791865][ T4647] Call Trace:
[  303.795193][ T4647]  <TASK>
[  303.798162][ T4647]  dump_stack_lvl+0x188/0x24e
[  303.802917][ T4647]  ? show_regs_print_info+0x12/0x12
[  303.808188][ T4647]  ? load_image+0x400/0x400
[  303.812775][ T4647]  sysfs_create_dir_ns+0x26a/0x290
[  303.817952][ T4647]  ? sysfs_warn_dup+0xa0/0xa0
[  303.822698][ T4647]  ? do_raw_spin_unlock+0x11d/0x230
[  303.827955][ T4647]  kobject_add_internal+0x61c/0xcc0
[  303.833225][ T4647]  kobject_init_and_add+0x128/0x190
[  303.838475][ T4647]  ? lockdep_softirqs_off+0x430/0x430
[  303.843899][ T4647]  ? kobject_add+0x230/0x230
[  303.848527][ T4647]  ? __init_swait_queue_head+0xa5/0x150
[  303.854132][ T4647]  gfs2_sys_fs_add+0x24f/0x4b0
[  303.858941][ T4647]  ? gfs2_recover_set+0x240/0x240
[  303.864001][ T4647]  ? snprintf+0xe5/0x140
[  303.868287][ T4647]  ? vscnprintf+0x80/0x80
[  303.872741][ T4647]  gfs2_fill_super+0x128c/0x1fb0
[  303.877733][ T4647]  ? gfs2_reconfigure+0xd30/0xd30
[  303.882832][ T4647]  ? sb_set_blocksize+0xa5/0xe0
[  303.887733][ T4647]  get_tree_bdev+0x3f1/0x610
[  303.892365][ T4647]  ? gfs2_reconfigure+0xd30/0xd30
[  303.897429][ T4647]  gfs2_get_tree+0x4d/0x1e0
[  303.901966][ T4647]  vfs_get_tree+0x88/0x270
[  303.906415][ T4647]  do_new_mount+0x24a/0xa40
[  303.910953][ T4647]  __se_sys_mount+0x2e3/0x3d0
[  303.915674][ T4647]  ? __x64_sys_mount+0xc0/0xc0
[  303.920475][ T4647]  ? lockdep_hardirqs_on+0x94/0x140
[  303.925704][ T4647]  ? __x64_sys_mount+0x1c/0xc0
[  303.930509][ T4647]  do_syscall_64+0x4c/0xa0
[  303.934963][ T4647]  ? clear_bhb_loop+0x60/0xb0
[  303.939675][ T4647]  ? clear_bhb_loop+0x60/0xb0
[  303.944388][ T4647]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  303.950315][ T4647] RIP: 0033:0x7f360b99e04a
[  303.954772][ T4647] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  303.974410][ T4647] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  303.982854][ T4647] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  303.990857][ T4647] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  303.998859][ T4647] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  304.006867][ T4647] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  304.014864][ T4647] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  304.022874][ T4647]  </TASK>
[  304.026920][ T4647] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  304.042243][ T4647] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  304.402045][ T4648] loop1: detected capacity change from 0 to 32768
[  304.423415][ T4648] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  304.432178][ T4648] CPU: 0 PID: 4648 Comm: syz.1.188 Not tainted syzkaller #0
[  304.439518][ T4648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  304.449609][ T4648] Call Trace:
[  304.452937][ T4648]  <TASK>
[  304.455909][ T4648]  dump_stack_lvl+0x188/0x24e
[  304.460657][ T4648]  ? show_regs_print_info+0x12/0x12
[  304.465918][ T4648]  ? load_image+0x400/0x400
[  304.470502][ T4648]  sysfs_create_dir_ns+0x26a/0x290
[  304.475674][ T4648]  ? sysfs_warn_dup+0xa0/0xa0
[  304.480406][ T4648]  ? do_raw_spin_unlock+0x11d/0x230
[  304.485656][ T4648]  kobject_add_internal+0x61c/0xcc0
[  304.490916][ T4648]  kobject_init_and_add+0x128/0x190
[  304.496192][ T4648]  ? lockdep_softirqs_off+0x430/0x430
[  304.501632][ T4648]  ? kobject_add+0x230/0x230
[  304.506282][ T4648]  ? __init_swait_queue_head+0xa5/0x150
[  304.511896][ T4648]  gfs2_sys_fs_add+0x24f/0x4b0
[  304.516732][ T4648]  ? gfs2_recover_set+0x240/0x240
[  304.521914][ T4648]  ? snprintf+0xe5/0x140
[  304.526240][ T4648]  ? vscnprintf+0x80/0x80
[  304.530648][ T4648]  gfs2_fill_super+0x128c/0x1fb0
[  304.535670][ T4648]  ? gfs2_reconfigure+0xd30/0xd30
[  304.540761][ T4648]  ? sb_set_blocksize+0xa5/0xe0
[  304.545675][ T4648]  get_tree_bdev+0x3f1/0x610
[  304.550324][ T4648]  ? gfs2_reconfigure+0xd30/0xd30
[  304.555403][ T4648]  gfs2_get_tree+0x4d/0x1e0
[  304.559979][ T4648]  vfs_get_tree+0x88/0x270
[  304.564464][ T4648]  do_new_mount+0x24a/0xa40
[  304.569030][ T4648]  __se_sys_mount+0x2e3/0x3d0
[  304.573854][ T4648]  ? __x64_sys_mount+0xc0/0xc0
[  304.578668][ T4648]  ? lockdep_hardirqs_on+0x94/0x140
[  304.583927][ T4648]  ? __x64_sys_mount+0x1c/0xc0
[  304.588755][ T4648]  do_syscall_64+0x4c/0xa0
[  304.593224][ T4648]  ? clear_bhb_loop+0x60/0xb0
[  304.597950][ T4648]  ? clear_bhb_loop+0x60/0xb0
[  304.602709][ T4648]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  304.608653][ T4648] RIP: 0033:0x7f360b99e04a
[  304.613126][ T4648] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  304.632787][ T4648] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  304.641259][ T4648] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  304.649281][ T4648] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  304.657304][ T4648] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  304.665320][ T4648] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  304.673338][ T4648] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  304.681393][ T4648]  </TASK>
[  304.691196][ T4648] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  304.706733][ T4648] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  305.099796][ T4649] loop1: detected capacity change from 0 to 32768
[  305.118365][ T4649] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  305.126220][ T4649] CPU: 1 PID: 4649 Comm: syz.1.189 Not tainted syzkaller #0
[  305.133567][ T4649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  305.143675][ T4649] Call Trace:
[  305.147005][ T4649]  <TASK>
[  305.149989][ T4649]  dump_stack_lvl+0x188/0x24e
[  305.154737][ T4649]  ? show_regs_print_info+0x12/0x12
[  305.160015][ T4649]  ? load_image+0x400/0x400
[  305.164603][ T4649]  sysfs_create_dir_ns+0x26a/0x290
[  305.169802][ T4649]  ? sysfs_warn_dup+0xa0/0xa0
[  305.174551][ T4649]  ? do_raw_spin_unlock+0x11d/0x230
[  305.179806][ T4649]  kobject_add_internal+0x61c/0xcc0
[  305.185067][ T4649]  kobject_init_and_add+0x128/0x190
[  305.190316][ T4649]  ? lockdep_softirqs_off+0x430/0x430
[  305.195735][ T4649]  ? kobject_add+0x230/0x230
[  305.200361][ T4649]  ? __init_swait_queue_head+0xa5/0x150
[  305.205958][ T4649]  gfs2_sys_fs_add+0x24f/0x4b0
[  305.210769][ T4649]  ? gfs2_recover_set+0x240/0x240
[  305.215838][ T4649]  ? snprintf+0xe5/0x140
[  305.220113][ T4649]  ? vscnprintf+0x80/0x80
[  305.224487][ T4649]  gfs2_fill_super+0x128c/0x1fb0
[  305.229604][ T4649]  ? gfs2_reconfigure+0xd30/0xd30
[  305.234680][ T4649]  ? sb_set_blocksize+0xa5/0xe0
[  305.239583][ T4649]  get_tree_bdev+0x3f1/0x610
[  305.244217][ T4649]  ? gfs2_reconfigure+0xd30/0xd30
[  305.249278][ T4649]  gfs2_get_tree+0x4d/0x1e0
[  305.253823][ T4649]  vfs_get_tree+0x88/0x270
[  305.258285][ T4649]  do_new_mount+0x24a/0xa40
[  305.262828][ T4649]  __se_sys_mount+0x2e3/0x3d0
[  305.267541][ T4649]  ? __x64_sys_mount+0xc0/0xc0
[  305.272364][ T4649]  ? lockdep_hardirqs_on+0x94/0x140
[  305.277609][ T4649]  ? __x64_sys_mount+0x1c/0xc0
[  305.282417][ T4649]  do_syscall_64+0x4c/0xa0
[  305.286880][ T4649]  ? clear_bhb_loop+0x60/0xb0
[  305.291589][ T4649]  ? clear_bhb_loop+0x60/0xb0
[  305.296298][ T4649]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  305.302247][ T4649] RIP: 0033:0x7f360b99e04a
[  305.307132][ T4649] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  305.326795][ T4649] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  305.335253][ T4649] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  305.343268][ T4649] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  305.351274][ T4649] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  305.359370][ T4649] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  305.367379][ T4649] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  305.375396][ T4649]  </TASK>
[  305.381135][ T4649] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  305.398082][ T4649] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  305.744732][ T4650] loop1: detected capacity change from 0 to 32768
[  305.768230][ T4650] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  305.780119][ T4650] CPU: 1 PID: 4650 Comm: syz.1.190 Not tainted syzkaller #0
[  305.787471][ T4650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  305.797567][ T4650] Call Trace:
[  305.800890][ T4650]  <TASK>
[  305.803867][ T4650]  dump_stack_lvl+0x188/0x24e
[  305.808624][ T4650]  ? show_regs_print_info+0x12/0x12
[  305.813894][ T4650]  ? load_image+0x400/0x400
[  305.818467][ T4650]  sysfs_create_dir_ns+0x26a/0x290
[  305.823729][ T4650]  ? sysfs_warn_dup+0xa0/0xa0
[  305.828469][ T4650]  ? do_raw_spin_unlock+0x11d/0x230
[  305.833719][ T4650]  kobject_add_internal+0x61c/0xcc0
[  305.838986][ T4650]  kobject_init_and_add+0x128/0x190
[  305.844848][ T4650]  ? lockdep_softirqs_off+0x430/0x430
[  305.850279][ T4650]  ? kobject_add+0x230/0x230
[  305.854916][ T4650]  ? __init_swait_queue_head+0xa5/0x150
[  305.860525][ T4650]  gfs2_sys_fs_add+0x24f/0x4b0
[  305.865344][ T4650]  ? gfs2_recover_set+0x240/0x240
[  305.870424][ T4650]  ? snprintf+0xe5/0x140
[  305.874700][ T4650]  ? vscnprintf+0x80/0x80
[  305.879070][ T4650]  gfs2_fill_super+0x128c/0x1fb0
[  305.884051][ T4650]  ? gfs2_reconfigure+0xd30/0xd30
[  305.889110][ T4650]  ? sb_set_blocksize+0xa5/0xe0
[  305.894000][ T4650]  get_tree_bdev+0x3f1/0x610
[  305.898619][ T4650]  ? gfs2_reconfigure+0xd30/0xd30
[  305.903672][ T4650]  gfs2_get_tree+0x4d/0x1e0
[  305.908215][ T4650]  vfs_get_tree+0x88/0x270
[  305.912665][ T4650]  do_new_mount+0x24a/0xa40
[  305.917204][ T4650]  __se_sys_mount+0x2e3/0x3d0
[  305.921921][ T4650]  ? __x64_sys_mount+0xc0/0xc0
[  305.926719][ T4650]  ? lockdep_hardirqs_on+0x94/0x140
[  305.931954][ T4650]  ? __x64_sys_mount+0x1c/0xc0
[  305.936752][ T4650]  do_syscall_64+0x4c/0xa0
[  305.941239][ T4650]  ? clear_bhb_loop+0x60/0xb0
[  305.945971][ T4650]  ? clear_bhb_loop+0x60/0xb0
[  305.950681][ T4650]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  305.956606][ T4650] RIP: 0033:0x7f360b99e04a
[  305.961046][ T4650] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  305.980684][ T4650] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  305.989138][ T4650] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  305.997140][ T4650] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  306.005136][ T4650] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  306.013130][ T4650] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  306.021128][ T4650] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  306.029135][ T4650]  </TASK>
[  306.037607][ T4650] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  306.052035][ T4650] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  306.408682][ T4651] loop1: detected capacity change from 0 to 32768
[  306.427373][ T4651] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  306.434993][ T4651] CPU: 0 PID: 4651 Comm: syz.1.191 Not tainted syzkaller #0
[  306.442342][ T4651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  306.452447][ T4651] Call Trace:
[  306.455769][ T4651]  <TASK>
[  306.458744][ T4651]  dump_stack_lvl+0x188/0x24e
[  306.463499][ T4651]  ? show_regs_print_info+0x12/0x12
[  306.468769][ T4651]  ? load_image+0x400/0x400
[  306.473352][ T4651]  sysfs_create_dir_ns+0x26a/0x290
[  306.478536][ T4651]  ? sysfs_warn_dup+0xa0/0xa0
[  306.483269][ T4651]  ? do_raw_spin_unlock+0x11d/0x230
[  306.488515][ T4651]  kobject_add_internal+0x61c/0xcc0
[  306.493784][ T4651]  kobject_init_and_add+0x128/0x190
[  306.499029][ T4651]  ? lockdep_softirqs_off+0x430/0x430
[  306.504456][ T4651]  ? kobject_add+0x230/0x230
[  306.509117][ T4651]  ? __init_swait_queue_head+0xa5/0x150
[  306.514792][ T4651]  gfs2_sys_fs_add+0x24f/0x4b0
[  306.519632][ T4651]  ? gfs2_recover_set+0x240/0x240
[  306.524726][ T4651]  ? snprintf+0xe5/0x140
[  306.529045][ T4651]  ? vscnprintf+0x80/0x80
[  306.533441][ T4651]  gfs2_fill_super+0x128c/0x1fb0
[  306.538425][ T4651]  ? gfs2_reconfigure+0xd30/0xd30
[  306.543495][ T4651]  ? sb_set_blocksize+0xa5/0xe0
[  306.548390][ T4651]  get_tree_bdev+0x3f1/0x610
[  306.553035][ T4651]  ? gfs2_reconfigure+0xd30/0xd30
[  306.558112][ T4651]  gfs2_get_tree+0x4d/0x1e0
[  306.562651][ T4651]  vfs_get_tree+0x88/0x270
[  306.567108][ T4651]  do_new_mount+0x24a/0xa40
[  306.571646][ T4651]  __se_sys_mount+0x2e3/0x3d0
[  306.576366][ T4651]  ? __x64_sys_mount+0xc0/0xc0
[  306.581166][ T4651]  ? lockdep_hardirqs_on+0x94/0x140
[  306.586396][ T4651]  ? __x64_sys_mount+0x1c/0xc0
[  306.591195][ T4651]  do_syscall_64+0x4c/0xa0
[  306.595648][ T4651]  ? clear_bhb_loop+0x60/0xb0
[  306.600358][ T4651]  ? clear_bhb_loop+0x60/0xb0
[  306.605068][ T4651]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  306.611002][ T4651] RIP: 0033:0x7f360b99e04a
[  306.615445][ T4651] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  306.635082][ T4651] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  306.643530][ T4651] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  306.651530][ T4651] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  306.659528][ T4651] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  306.667523][ T4651] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  306.675518][ T4651] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  306.683530][ T4651]  </TASK>
[  306.691538][ T4651] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  306.705131][ T4651] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  307.066135][ T4652] loop1: detected capacity change from 0 to 32768
[  307.079121][ T4652] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  307.088781][ T4652] CPU: 0 PID: 4652 Comm: syz.1.192 Not tainted syzkaller #0
[  307.096200][ T4652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  307.106280][ T4652] Call Trace:
[  307.109605][ T4652]  <TASK>
[  307.112584][ T4652]  dump_stack_lvl+0x188/0x24e
[  307.117328][ T4652]  ? show_regs_print_info+0x12/0x12
[  307.122582][ T4652]  ? load_image+0x400/0x400
[  307.127151][ T4652]  sysfs_create_dir_ns+0x26a/0x290
[  307.132342][ T4652]  ? sysfs_warn_dup+0xa0/0xa0
[  307.137079][ T4652]  ? do_raw_spin_unlock+0x11d/0x230
[  307.142340][ T4652]  kobject_add_internal+0x61c/0xcc0
[  307.147592][ T4652]  kobject_init_and_add+0x128/0x190
[  307.152842][ T4652]  ? lockdep_softirqs_off+0x430/0x430
[  307.158263][ T4652]  ? kobject_add+0x230/0x230
[  307.162903][ T4652]  ? __init_swait_queue_head+0xa5/0x150
[  307.168508][ T4652]  gfs2_sys_fs_add+0x24f/0x4b0
[  307.173331][ T4652]  ? gfs2_recover_set+0x240/0x240
[  307.178417][ T4652]  ? snprintf+0xe5/0x140
[  307.182723][ T4652]  ? vscnprintf+0x80/0x80
[  307.187120][ T4652]  gfs2_fill_super+0x128c/0x1fb0
[  307.192123][ T4652]  ? gfs2_reconfigure+0xd30/0xd30
[  307.197216][ T4652]  ? sb_set_blocksize+0xa5/0xe0
[  307.202213][ T4652]  get_tree_bdev+0x3f1/0x610
[  307.207034][ T4652]  ? gfs2_reconfigure+0xd30/0xd30
[  307.212108][ T4652]  gfs2_get_tree+0x4d/0x1e0
[  307.216669][ T4652]  vfs_get_tree+0x88/0x270
[  307.221138][ T4652]  do_new_mount+0x24a/0xa40
[  307.225711][ T4652]  __se_sys_mount+0x2e3/0x3d0
[  307.230485][ T4652]  ? __x64_sys_mount+0xc0/0xc0
[  307.235313][ T4652]  ? lockdep_hardirqs_on+0x94/0x140
[  307.240566][ T4652]  ? __x64_sys_mount+0x1c/0xc0
[  307.245390][ T4652]  do_syscall_64+0x4c/0xa0
[  307.249865][ T4652]  ? clear_bhb_loop+0x60/0xb0
[  307.254604][ T4652]  ? clear_bhb_loop+0x60/0xb0
[  307.259345][ T4652]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  307.265297][ T4652] RIP: 0033:0x7f360b99e04a
[  307.269755][ T4652] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  307.289411][ T4652] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  307.297932][ T4652] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  307.305963][ T4652] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  307.314005][ T4652] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  307.322115][ T4652] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  307.330133][ T4652] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  307.338184][ T4652]  </TASK>
[  307.350842][ T4652] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  307.364126][ T4652] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  307.702235][ T4654] loop1: detected capacity change from 0 to 32768
[  307.713891][ T4654] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  307.722037][ T4654] CPU: 0 PID: 4654 Comm: syz.1.193 Not tainted syzkaller #0
[  307.729390][ T4654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  307.739484][ T4654] Call Trace:
[  307.742788][ T4654]  <TASK>
[  307.745765][ T4654]  dump_stack_lvl+0x188/0x24e
[  307.750514][ T4654]  ? show_regs_print_info+0x12/0x12
[  307.755773][ T4654]  ? load_image+0x400/0x400
[  307.760339][ T4654]  sysfs_create_dir_ns+0x26a/0x290
[  307.765491][ T4654]  ? sysfs_warn_dup+0xa0/0xa0
[  307.770202][ T4654]  ? do_raw_spin_unlock+0x11d/0x230
[  307.775450][ T4654]  kobject_add_internal+0x61c/0xcc0
[  307.780671][ T4654]  kobject_init_and_add+0x128/0x190
[  307.785890][ T4654]  ? lockdep_softirqs_off+0x430/0x430
[  307.791297][ T4654]  ? kobject_add+0x230/0x230
[  307.795950][ T4654]  ? __init_swait_queue_head+0xa5/0x150
[  307.801574][ T4654]  gfs2_sys_fs_add+0x24f/0x4b0
[  307.806399][ T4654]  ? gfs2_recover_set+0x240/0x240
[  307.811487][ T4654]  ? snprintf+0xe5/0x140
[  307.815786][ T4654]  ? vscnprintf+0x80/0x80
[  307.820174][ T4654]  gfs2_fill_super+0x128c/0x1fb0
[  307.825176][ T4654]  ? gfs2_reconfigure+0xd30/0xd30
[  307.830262][ T4654]  ? sb_set_blocksize+0xa5/0xe0
[  307.835167][ T4654]  get_tree_bdev+0x3f1/0x610
[  307.839807][ T4654]  ? gfs2_reconfigure+0xd30/0xd30
[  307.844885][ T4654]  gfs2_get_tree+0x4d/0x1e0
[  307.849441][ T4654]  vfs_get_tree+0x88/0x270
[  307.853914][ T4654]  do_new_mount+0x24a/0xa40
[  307.858477][ T4654]  __se_sys_mount+0x2e3/0x3d0
[  307.863215][ T4654]  ? __x64_sys_mount+0xc0/0xc0
[  307.868027][ T4654]  ? lockdep_hardirqs_on+0x94/0x140
[  307.873277][ T4654]  ? __x64_sys_mount+0x1c/0xc0
[  307.878113][ T4654]  do_syscall_64+0x4c/0xa0
[  307.882591][ T4654]  ? clear_bhb_loop+0x60/0xb0
[  307.887320][ T4654]  ? clear_bhb_loop+0x60/0xb0
[  307.892070][ T4654]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  307.898017][ T4654] RIP: 0033:0x7f360b99e04a
[  307.902477][ T4654] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  307.922141][ T4654] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  307.930617][ T4654] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  307.938639][ T4654] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  307.946661][ T4654] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  307.954690][ T4654] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  307.962726][ T4654] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  307.970764][ T4654]  </TASK>
[  307.978426][ T4654] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  307.991752][ T4654] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/05/10 14:33:16 executed programs: 179
[  308.332281][ T4655] loop1: detected capacity change from 0 to 32768
[  308.348019][ T4655] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  308.360378][ T4655] CPU: 0 PID: 4655 Comm: syz.1.194 Not tainted syzkaller #0
[  308.367741][ T4655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  308.377841][ T4655] Call Trace:
[  308.381169][ T4655]  <TASK>
[  308.384142][ T4655]  dump_stack_lvl+0x188/0x24e
[  308.388880][ T4655]  ? show_regs_print_info+0x12/0x12
[  308.394140][ T4655]  ? load_image+0x400/0x400
[  308.398721][ T4655]  sysfs_create_dir_ns+0x26a/0x290
[  308.403895][ T4655]  ? sysfs_warn_dup+0xa0/0xa0
[  308.408625][ T4655]  ? do_raw_spin_unlock+0x11d/0x230
[  308.413878][ T4655]  kobject_add_internal+0x61c/0xcc0
[  308.419152][ T4655]  kobject_init_and_add+0x128/0x190
[  308.424513][ T4655]  ? lockdep_softirqs_off+0x430/0x430
[  308.429951][ T4655]  ? kobject_add+0x230/0x230
[  308.434599][ T4655]  ? __init_swait_queue_head+0xa5/0x150
[  308.440208][ T4655]  gfs2_sys_fs_add+0x24f/0x4b0
[  308.445034][ T4655]  ? gfs2_recover_set+0x240/0x240
[  308.450123][ T4655]  ? snprintf+0xe5/0x140
[  308.454427][ T4655]  ? vscnprintf+0x80/0x80
[  308.458824][ T4655]  gfs2_fill_super+0x128c/0x1fb0
[  308.463829][ T4655]  ? gfs2_reconfigure+0xd30/0xd30
[  308.468911][ T4655]  ? sb_set_blocksize+0xa5/0xe0
[  308.473889][ T4655]  get_tree_bdev+0x3f1/0x610
[  308.478539][ T4655]  ? gfs2_reconfigure+0xd30/0xd30
[  308.483611][ T4655]  gfs2_get_tree+0x4d/0x1e0
[  308.488168][ T4655]  vfs_get_tree+0x88/0x270
[  308.492636][ T4655]  do_new_mount+0x24a/0xa40
[  308.497308][ T4655]  __se_sys_mount+0x2e3/0x3d0
[  308.502043][ T4655]  ? __x64_sys_mount+0xc0/0xc0
[  308.506863][ T4655]  ? lockdep_hardirqs_on+0x94/0x140
[  308.512198][ T4655]  ? __x64_sys_mount+0x1c/0xc0
[  308.517012][ T4655]  do_syscall_64+0x4c/0xa0
[  308.521494][ T4655]  ? clear_bhb_loop+0x60/0xb0
[  308.526230][ T4655]  ? clear_bhb_loop+0x60/0xb0
[  308.530969][ T4655]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  308.536929][ T4655] RIP: 0033:0x7f360b99e04a
[  308.541386][ T4655] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  308.561043][ T4655] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  308.569515][ T4655] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  308.577535][ T4655] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  308.585551][ T4655] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  308.593584][ T4655] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  308.601597][ T4655] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  308.609632][ T4655]  </TASK>
[  308.622522][ T4655] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  308.637649][ T4655] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  308.990698][ T4656] loop1: detected capacity change from 0 to 32768
[  309.010686][ T4656] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  309.018323][ T4656] CPU: 0 PID: 4656 Comm: syz.1.195 Not tainted syzkaller #0
[  309.025668][ T4656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  309.035774][ T4656] Call Trace:
[  309.039105][ T4656]  <TASK>
[  309.042083][ T4656]  dump_stack_lvl+0x188/0x24e
[  309.046832][ T4656]  ? show_regs_print_info+0x12/0x12
[  309.052102][ T4656]  ? load_image+0x400/0x400
[  309.056682][ T4656]  sysfs_create_dir_ns+0x26a/0x290
[  309.061859][ T4656]  ? sysfs_warn_dup+0xa0/0xa0
[  309.066593][ T4656]  ? do_raw_spin_unlock+0x11d/0x230
[  309.071857][ T4656]  kobject_add_internal+0x61c/0xcc0
[  309.077122][ T4656]  kobject_init_and_add+0x128/0x190
[  309.082380][ T4656]  ? lockdep_softirqs_off+0x430/0x430
[  309.087817][ T4656]  ? kobject_add+0x230/0x230
[  309.092465][ T4656]  ? __init_swait_queue_head+0xa5/0x150
[  309.098074][ T4656]  gfs2_sys_fs_add+0x24f/0x4b0
[  309.102905][ T4656]  ? gfs2_recover_set+0x240/0x240
[  309.107993][ T4656]  ? snprintf+0xe5/0x140
[  309.112299][ T4656]  ? vscnprintf+0x80/0x80
[  309.116705][ T4656]  gfs2_fill_super+0x128c/0x1fb0
[  309.121721][ T4656]  ? gfs2_reconfigure+0xd30/0xd30
[  309.126808][ T4656]  ? sb_set_blocksize+0xa5/0xe0
[  309.131721][ T4656]  get_tree_bdev+0x3f1/0x610
[  309.136365][ T4656]  ? gfs2_reconfigure+0xd30/0xd30
[  309.141439][ T4656]  gfs2_get_tree+0x4d/0x1e0
[  309.145999][ T4656]  vfs_get_tree+0x88/0x270
[  309.150506][ T4656]  do_new_mount+0x24a/0xa40
[  309.155068][ T4656]  __se_sys_mount+0x2e3/0x3d0
[  309.159799][ T4656]  ? __x64_sys_mount+0xc0/0xc0
[  309.164627][ T4656]  ? lockdep_hardirqs_on+0x94/0x140
[  309.169870][ T4656]  ? __x64_sys_mount+0x1c/0xc0
[  309.174708][ T4656]  do_syscall_64+0x4c/0xa0
[  309.179195][ T4656]  ? clear_bhb_loop+0x60/0xb0
[  309.183926][ T4656]  ? clear_bhb_loop+0x60/0xb0
[  309.188668][ T4656]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  309.194627][ T4656] RIP: 0033:0x7f360b99e04a
[  309.199087][ T4656] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  309.218746][ T4656] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  309.227215][ T4656] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  309.235240][ T4656] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  309.243264][ T4656] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  309.251287][ T4656] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  309.259305][ T4656] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  309.267343][ T4656]  </TASK>
[  309.272129][ T4656] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  309.285831][ T4656] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  309.692278][ T4659] loop1: detected capacity change from 0 to 32768
[  309.710586][ T4659] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  309.718133][ T4659] CPU: 1 PID: 4659 Comm: syz.1.196 Not tainted syzkaller #0
[  309.725475][ T4659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  309.735596][ T4659] Call Trace:
[  309.738915][ T4659]  <TASK>
[  309.741888][ T4659]  dump_stack_lvl+0x188/0x24e
[  309.746629][ T4659]  ? show_regs_print_info+0x12/0x12
[  309.751891][ T4659]  ? load_image+0x400/0x400
[  309.756462][ T4659]  sysfs_create_dir_ns+0x26a/0x290
[  309.761663][ T4659]  ? sysfs_warn_dup+0xa0/0xa0
[  309.766400][ T4659]  ? do_raw_spin_unlock+0x11d/0x230
[  309.771660][ T4659]  kobject_add_internal+0x61c/0xcc0
[  309.776905][ T4659]  kobject_init_and_add+0x128/0x190
[  309.782149][ T4659]  ? lockdep_softirqs_off+0x430/0x430
[  309.787609][ T4659]  ? kobject_add+0x230/0x230
[  309.792235][ T4659]  ? __init_swait_queue_head+0xa5/0x150
[  309.797825][ T4659]  gfs2_sys_fs_add+0x24f/0x4b0
[  309.802626][ T4659]  ? gfs2_recover_set+0x240/0x240
[  309.807688][ T4659]  ? snprintf+0xe5/0x140
[  309.811979][ T4659]  ? vscnprintf+0x80/0x80
[  309.816352][ T4659]  gfs2_fill_super+0x128c/0x1fb0
[  309.821325][ T4659]  ? gfs2_reconfigure+0xd30/0xd30
[  309.826391][ T4659]  ? sb_set_blocksize+0xa5/0xe0
[  309.831315][ T4659]  get_tree_bdev+0x3f1/0x610
[  309.835935][ T4659]  ? gfs2_reconfigure+0xd30/0xd30
[  309.840991][ T4659]  gfs2_get_tree+0x4d/0x1e0
[  309.845544][ T4659]  vfs_get_tree+0x88/0x270
[  309.849992][ T4659]  do_new_mount+0x24a/0xa40
[  309.854534][ T4659]  __se_sys_mount+0x2e3/0x3d0
[  309.859259][ T4659]  ? __x64_sys_mount+0xc0/0xc0
[  309.864050][ T4659]  ? lockdep_hardirqs_on+0x94/0x140
[  309.869270][ T4659]  ? __x64_sys_mount+0x1c/0xc0
[  309.874077][ T4659]  do_syscall_64+0x4c/0xa0
[  309.878528][ T4659]  ? clear_bhb_loop+0x60/0xb0
[  309.883238][ T4659]  ? clear_bhb_loop+0x60/0xb0
[  309.887944][ T4659]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  309.893860][ T4659] RIP: 0033:0x7f360b99e04a
[  309.898305][ T4659] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  309.917932][ T4659] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  309.926377][ T4659] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  309.934375][ T4659] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  309.942376][ T4659] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  309.950373][ T4659] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  309.958374][ T4659] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  309.966383][ T4659]  </TASK>
[  309.972991][ T4659] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  309.988928][ T4659] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  310.342405][ T4663] loop1: detected capacity change from 0 to 32768
[  310.359855][ T4663] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  310.367755][ T4663] CPU: 0 PID: 4663 Comm: syz.1.197 Not tainted syzkaller #0
[  310.375093][ T4663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  310.385192][ T4663] Call Trace:
[  310.388520][ T4663]  <TASK>
[  310.391526][ T4663]  dump_stack_lvl+0x188/0x24e
[  310.396265][ T4663]  ? show_regs_print_info+0x12/0x12
[  310.401533][ T4663]  ? load_image+0x400/0x400
[  310.406193][ T4663]  sysfs_create_dir_ns+0x26a/0x290
[  310.411397][ T4663]  ? sysfs_warn_dup+0xa0/0xa0
[  310.416128][ T4663]  ? do_raw_spin_unlock+0x11d/0x230
[  310.421377][ T4663]  kobject_add_internal+0x61c/0xcc0
[  310.426635][ T4663]  kobject_init_and_add+0x128/0x190
[  310.431895][ T4663]  ? lockdep_softirqs_off+0x430/0x430
[  310.437335][ T4663]  ? kobject_add+0x230/0x230
[  310.441990][ T4663]  ? __init_swait_queue_head+0xa5/0x150
[  310.447601][ T4663]  gfs2_sys_fs_add+0x24f/0x4b0
[  310.452429][ T4663]  ? gfs2_recover_set+0x240/0x240
[  310.457514][ T4663]  ? snprintf+0xe5/0x140
[  310.461827][ T4663]  ? vscnprintf+0x80/0x80
[  310.466229][ T4663]  gfs2_fill_super+0x128c/0x1fb0
[  310.471238][ T4663]  ? gfs2_reconfigure+0xd30/0xd30
[  310.476320][ T4663]  ? sb_set_blocksize+0xa5/0xe0
[  310.481241][ T4663]  get_tree_bdev+0x3f1/0x610
[  310.485890][ T4663]  ? gfs2_reconfigure+0xd30/0xd30
[  310.490972][ T4663]  gfs2_get_tree+0x4d/0x1e0
[  310.495523][ T4663]  vfs_get_tree+0x88/0x270
[  310.499997][ T4663]  do_new_mount+0x24a/0xa40
[  310.504576][ T4663]  __se_sys_mount+0x2e3/0x3d0
[  310.509311][ T4663]  ? __x64_sys_mount+0xc0/0xc0
[  310.514126][ T4663]  ? lockdep_hardirqs_on+0x94/0x140
[  310.519456][ T4663]  ? __x64_sys_mount+0x1c/0xc0
[  310.524348][ T4663]  do_syscall_64+0x4c/0xa0
[  310.528832][ T4663]  ? clear_bhb_loop+0x60/0xb0
[  310.533559][ T4663]  ? clear_bhb_loop+0x60/0xb0
[  310.538288][ T4663]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  310.544233][ T4663] RIP: 0033:0x7f360b99e04a
[  310.548698][ T4663] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  310.568363][ T4663] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  310.576830][ T4663] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  310.584850][ T4663] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  310.592869][ T4663] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  310.600886][ T4663] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  310.608922][ T4663] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  310.616952][ T4663]  </TASK>
[  310.623677][ T4663] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  310.637128][ T4663] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  310.969750][ T4664] loop1: detected capacity change from 0 to 32768
[  310.985435][ T4664] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  310.994844][ T4664] CPU: 1 PID: 4664 Comm: syz.1.198 Not tainted syzkaller #0
[  311.002183][ T4664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  311.012276][ T4664] Call Trace:
[  311.015600][ T4664]  <TASK>
[  311.018573][ T4664]  dump_stack_lvl+0x188/0x24e
[  311.023315][ T4664]  ? show_regs_print_info+0x12/0x12
[  311.028580][ T4664]  ? load_image+0x400/0x400
[  311.033149][ T4664]  sysfs_create_dir_ns+0x26a/0x290
[  311.038336][ T4664]  ? sysfs_warn_dup+0xa0/0xa0
[  311.043068][ T4664]  ? do_raw_spin_unlock+0x11d/0x230
[  311.048320][ T4664]  kobject_add_internal+0x61c/0xcc0
[  311.053576][ T4664]  kobject_init_and_add+0x128/0x190
[  311.058836][ T4664]  ? lockdep_softirqs_off+0x430/0x430
[  311.064264][ T4664]  ? kobject_add+0x230/0x230
[  311.068911][ T4664]  ? __init_swait_queue_head+0xa5/0x150
[  311.074528][ T4664]  gfs2_sys_fs_add+0x24f/0x4b0
[  311.079350][ T4664]  ? gfs2_recover_set+0x240/0x240
[  311.084439][ T4664]  ? snprintf+0xe5/0x140
[  311.088738][ T4664]  ? vscnprintf+0x80/0x80
[  311.093137][ T4664]  gfs2_fill_super+0x128c/0x1fb0
[  311.098140][ T4664]  ? gfs2_reconfigure+0xd30/0xd30
[  311.103230][ T4664]  ? sb_set_blocksize+0xa5/0xe0
[  311.108147][ T4664]  get_tree_bdev+0x3f1/0x610
[  311.112776][ T4664]  ? gfs2_reconfigure+0xd30/0xd30
[  311.117854][ T4664]  gfs2_get_tree+0x4d/0x1e0
[  311.122497][ T4664]  vfs_get_tree+0x88/0x270
[  311.126949][ T4664]  do_new_mount+0x24a/0xa40
[  311.131499][ T4664]  __se_sys_mount+0x2e3/0x3d0
[  311.136218][ T4664]  ? __x64_sys_mount+0xc0/0xc0
[  311.141029][ T4664]  ? lockdep_hardirqs_on+0x94/0x140
[  311.146268][ T4664]  ? __x64_sys_mount+0x1c/0xc0
[  311.151076][ T4664]  do_syscall_64+0x4c/0xa0
[  311.155538][ T4664]  ? clear_bhb_loop+0x60/0xb0
[  311.160250][ T4664]  ? clear_bhb_loop+0x60/0xb0
[  311.164968][ T4664]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  311.170901][ T4664] RIP: 0033:0x7f360b99e04a
[  311.175346][ T4664] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  311.194985][ T4664] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  311.203447][ T4664] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  311.211448][ T4664] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  311.219471][ T4664] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  311.227502][ T4664] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  311.235499][ T4664] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  311.243605][ T4664]  </TASK>
[  311.252493][ T4664] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  311.265863][ T4664] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  311.618725][ T4665] loop1: detected capacity change from 0 to 32768
[  311.631036][ T4665] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  311.639309][ T4665] CPU: 0 PID: 4665 Comm: syz.1.199 Not tainted syzkaller #0
[  311.646655][ T4665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  311.656756][ T4665] Call Trace:
[  311.660067][ T4665]  <TASK>
[  311.663028][ T4665]  dump_stack_lvl+0x188/0x24e
[  311.667775][ T4665]  ? show_regs_print_info+0x12/0x12
[  311.673036][ T4665]  ? load_image+0x400/0x400
[  311.677597][ T4665]  sysfs_create_dir_ns+0x26a/0x290
[  311.682758][ T4665]  ? sysfs_warn_dup+0xa0/0xa0
[  311.687492][ T4665]  ? do_raw_spin_unlock+0x11d/0x230
[  311.692736][ T4665]  kobject_add_internal+0x61c/0xcc0
[  311.697988][ T4665]  kobject_init_and_add+0x128/0x190
[  311.703229][ T4665]  ? lockdep_softirqs_off+0x430/0x430
[  311.708665][ T4665]  ? kobject_add+0x230/0x230
[  311.713311][ T4665]  ? __init_swait_queue_head+0xa5/0x150
[  311.718902][ T4665]  gfs2_sys_fs_add+0x24f/0x4b0
[  311.723704][ T4665]  ? gfs2_recover_set+0x240/0x240
[  311.728760][ T4665]  ? snprintf+0xe5/0x140
[  311.733032][ T4665]  ? vscnprintf+0x80/0x80
[  311.737401][ T4665]  gfs2_fill_super+0x128c/0x1fb0
[  311.742381][ T4665]  ? gfs2_reconfigure+0xd30/0xd30
[  311.747462][ T4665]  ? sb_set_blocksize+0xa5/0xe0
[  311.752348][ T4665]  get_tree_bdev+0x3f1/0x610
[  311.756978][ T4665]  ? gfs2_reconfigure+0xd30/0xd30
[  311.762033][ T4665]  gfs2_get_tree+0x4d/0x1e0
[  311.766568][ T4665]  vfs_get_tree+0x88/0x270
[  311.771016][ T4665]  do_new_mount+0x24a/0xa40
[  311.775557][ T4665]  __se_sys_mount+0x2e3/0x3d0
[  311.780262][ T4665]  ? __x64_sys_mount+0xc0/0xc0
[  311.785059][ T4665]  ? lockdep_hardirqs_on+0x94/0x140
[  311.790282][ T4665]  ? __x64_sys_mount+0x1c/0xc0
[  311.795074][ T4665]  do_syscall_64+0x4c/0xa0
[  311.799535][ T4665]  ? clear_bhb_loop+0x60/0xb0
[  311.804243][ T4665]  ? clear_bhb_loop+0x60/0xb0
[  311.808958][ T4665]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  311.814965][ T4665] RIP: 0033:0x7f360b99e04a
[  311.819417][ T4665] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  311.839053][ T4665] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  311.847496][ T4665] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  311.855497][ T4665] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  311.863540][ T4665] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  311.871553][ T4665] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  311.879551][ T4665] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  311.887576][ T4665]  </TASK>
[  311.904051][ T4665] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  311.917848][ T4665] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  312.279886][ T4666] loop1: detected capacity change from 0 to 32768
[  312.296906][ T4666] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  312.304455][ T4666] CPU: 1 PID: 4666 Comm: syz.1.200 Not tainted syzkaller #0
[  312.311786][ T4666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  312.321883][ T4666] Call Trace:
[  312.325203][ T4666]  <TASK>
[  312.328261][ T4666]  dump_stack_lvl+0x188/0x24e
[  312.333005][ T4666]  ? show_regs_print_info+0x12/0x12
[  312.338259][ T4666]  ? load_image+0x400/0x400
[  312.342846][ T4666]  sysfs_create_dir_ns+0x26a/0x290
[  312.348019][ T4666]  ? sysfs_warn_dup+0xa0/0xa0
[  312.352759][ T4666]  ? do_raw_spin_unlock+0x11d/0x230
[  312.358017][ T4666]  kobject_add_internal+0x61c/0xcc0
[  312.363277][ T4666]  kobject_init_and_add+0x128/0x190
[  312.368612][ T4666]  ? lockdep_softirqs_off+0x430/0x430
[  312.374037][ T4666]  ? kobject_add+0x230/0x230
[  312.378660][ T4666]  ? __init_swait_queue_head+0xa5/0x150
[  312.384240][ T4666]  gfs2_sys_fs_add+0x24f/0x4b0
[  312.389040][ T4666]  ? gfs2_recover_set+0x240/0x240
[  312.394105][ T4666]  ? snprintf+0xe5/0x140
[  312.398378][ T4666]  ? vscnprintf+0x80/0x80
[  312.402742][ T4666]  gfs2_fill_super+0x128c/0x1fb0
[  312.407725][ T4666]  ? gfs2_reconfigure+0xd30/0xd30
[  312.412786][ T4666]  ? sb_set_blocksize+0xa5/0xe0
[  312.417668][ T4666]  get_tree_bdev+0x3f1/0x610
[  312.422284][ T4666]  ? gfs2_reconfigure+0xd30/0xd30
[  312.427344][ T4666]  gfs2_get_tree+0x4d/0x1e0
[  312.431881][ T4666]  vfs_get_tree+0x88/0x270
[  312.436336][ T4666]  do_new_mount+0x24a/0xa40
[  312.440883][ T4666]  __se_sys_mount+0x2e3/0x3d0
[  312.445595][ T4666]  ? __x64_sys_mount+0xc0/0xc0
[  312.450524][ T4666]  ? lockdep_hardirqs_on+0x94/0x140
[  312.455761][ T4666]  ? __x64_sys_mount+0x1c/0xc0
[  312.460565][ T4666]  do_syscall_64+0x4c/0xa0
[  312.465015][ T4666]  ? clear_bhb_loop+0x60/0xb0
[  312.469731][ T4666]  ? clear_bhb_loop+0x60/0xb0
[  312.474439][ T4666]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  312.480367][ T4666] RIP: 0033:0x7f360b99e04a
[  312.484804][ T4666] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  312.504487][ T4666] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  312.512931][ T4666] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  312.520926][ T4666] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  312.528924][ T4666] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  312.536921][ T4666] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  312.544921][ T4666] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  312.552929][ T4666]  </TASK>
[  312.566365][ T4666] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  312.579768][ T4666] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  312.929733][ T4667] loop1: detected capacity change from 0 to 32768
[  312.945699][ T4667] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  312.953287][ T4667] CPU: 1 PID: 4667 Comm: syz.1.201 Not tainted syzkaller #0
[  312.960621][ T4667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  312.971414][ T4667] Call Trace:
[  312.974744][ T4667]  <TASK>
[  312.977715][ T4667]  dump_stack_lvl+0x188/0x24e
[  312.982457][ T4667]  ? show_regs_print_info+0x12/0x12
[  312.987719][ T4667]  ? load_image+0x400/0x400
[  312.992288][ T4667]  sysfs_create_dir_ns+0x26a/0x290
[  312.997466][ T4667]  ? sysfs_warn_dup+0xa0/0xa0
[  313.002202][ T4667]  ? do_raw_spin_unlock+0x11d/0x230
[  313.007457][ T4667]  kobject_add_internal+0x61c/0xcc0
[  313.012725][ T4667]  kobject_init_and_add+0x128/0x190
[  313.017972][ T4667]  ? lockdep_softirqs_off+0x430/0x430
[  313.023398][ T4667]  ? kobject_add+0x230/0x230
[  313.028042][ T4667]  ? __init_swait_queue_head+0xa5/0x150
[  313.033642][ T4667]  gfs2_sys_fs_add+0x24f/0x4b0
[  313.038462][ T4667]  ? gfs2_recover_set+0x240/0x240
[  313.043543][ T4667]  ? snprintf+0xe5/0x140
[  313.047838][ T4667]  ? vscnprintf+0x80/0x80
[  313.052222][ T4667]  gfs2_fill_super+0x128c/0x1fb0
[  313.057217][ T4667]  ? gfs2_reconfigure+0xd30/0xd30
[  313.062298][ T4667]  ? sb_set_blocksize+0xa5/0xe0
[  313.067202][ T4667]  get_tree_bdev+0x3f1/0x610
[  313.071845][ T4667]  ? gfs2_reconfigure+0xd30/0xd30
[  313.076927][ T4667]  gfs2_get_tree+0x4d/0x1e0
[  313.081522][ T4667]  vfs_get_tree+0x88/0x270
[  313.085992][ T4667]  do_new_mount+0x24a/0xa40
[  313.090548][ T4667]  __se_sys_mount+0x2e3/0x3d0
[  313.095278][ T4667]  ? __x64_sys_mount+0xc0/0xc0
[  313.100110][ T4667]  ? lockdep_hardirqs_on+0x94/0x140
[  313.105356][ T4667]  ? __x64_sys_mount+0x1c/0xc0
[  313.110172][ T4667]  do_syscall_64+0x4c/0xa0
[  313.114645][ T4667]  ? clear_bhb_loop+0x60/0xb0
[  313.119373][ T4667]  ? clear_bhb_loop+0x60/0xb0
[  313.124097][ T4667]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  313.130042][ T4667] RIP: 0033:0x7f360b99e04a
[  313.134510][ T4667] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  313.154181][ T4667] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  313.162689][ T4667] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  313.170804][ T4667] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  313.178833][ T4667] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  313.186879][ T4667] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  313.194896][ T4667] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  313.202934][ T4667]  </TASK>
[  313.214727][ T4667] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  313.228291][ T4667] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/05/10 14:33:21 executed programs: 187
[  313.565285][ T4668] loop1: detected capacity change from 0 to 32768
[  313.581192][ T4668] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  313.588643][ T4668] CPU: 0 PID: 4668 Comm: syz.1.202 Not tainted syzkaller #0
[  313.595973][ T4668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  313.606088][ T4668] Call Trace:
[  313.609411][ T4668]  <TASK>
[  313.612389][ T4668]  dump_stack_lvl+0x188/0x24e
[  313.617131][ T4668]  ? show_regs_print_info+0x12/0x12
[  313.622387][ T4668]  ? load_image+0x400/0x400
[  313.627042][ T4668]  sysfs_create_dir_ns+0x26a/0x290
[  313.632211][ T4668]  ? sysfs_warn_dup+0xa0/0xa0
[  313.637049][ T4668]  ? do_raw_spin_unlock+0x11d/0x230
[  313.642300][ T4668]  kobject_add_internal+0x61c/0xcc0
[  313.647555][ T4668]  kobject_init_and_add+0x128/0x190
[  313.652805][ T4668]  ? lockdep_softirqs_off+0x430/0x430
[  313.658250][ T4668]  ? kobject_add+0x230/0x230
[  313.662895][ T4668]  ? __init_swait_queue_head+0xa5/0x150
[  313.668492][ T4668]  gfs2_sys_fs_add+0x24f/0x4b0
[  313.673294][ T4668]  ? gfs2_recover_set+0x240/0x240
[  313.678374][ T4668]  ? snprintf+0xe5/0x140
[  313.682654][ T4668]  ? vscnprintf+0x80/0x80
[  313.687020][ T4668]  gfs2_fill_super+0x128c/0x1fb0
[  313.691990][ T4668]  ? gfs2_reconfigure+0xd30/0xd30
[  313.697046][ T4668]  ? sb_set_blocksize+0xa5/0xe0
[  313.701930][ T4668]  get_tree_bdev+0x3f1/0x610
[  313.706549][ T4668]  ? gfs2_reconfigure+0xd30/0xd30
[  313.711603][ T4668]  gfs2_get_tree+0x4d/0x1e0
[  313.716135][ T4668]  vfs_get_tree+0x88/0x270
[  313.720670][ T4668]  do_new_mount+0x24a/0xa40
[  313.725210][ T4668]  __se_sys_mount+0x2e3/0x3d0
[  313.729927][ T4668]  ? __x64_sys_mount+0xc0/0xc0
[  313.734812][ T4668]  ? lockdep_hardirqs_on+0x94/0x140
[  313.740040][ T4668]  ? __x64_sys_mount+0x1c/0xc0
[  313.744839][ T4668]  do_syscall_64+0x4c/0xa0
[  313.749290][ T4668]  ? clear_bhb_loop+0x60/0xb0
[  313.753995][ T4668]  ? clear_bhb_loop+0x60/0xb0
[  313.758711][ T4668]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  313.764637][ T4668] RIP: 0033:0x7f360b99e04a
[  313.769077][ T4668] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  313.788801][ T4668] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  313.797254][ T4668] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  313.805252][ T4668] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  313.813259][ T4668] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  313.821261][ T4668] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  313.829256][ T4668] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  313.837272][ T4668]  </TASK>
[  313.845893][ T4668] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  313.862640][ T4668] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  314.080158][ T4330] Bluetooth: hci1: command 0x0406 tx timeout
[  314.219482][ T4669] loop1: detected capacity change from 0 to 32768
[  314.234996][ T4669] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  314.243090][ T4669] CPU: 1 PID: 4669 Comm: syz.1.203 Not tainted syzkaller #0
[  314.250453][ T4669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  314.260560][ T4669] Call Trace:
[  314.263879][ T4669]  <TASK>
[  314.266860][ T4669]  dump_stack_lvl+0x188/0x24e
[  314.271607][ T4669]  ? show_regs_print_info+0x12/0x12
[  314.276874][ T4669]  ? load_image+0x400/0x400
[  314.281535][ T4669]  sysfs_create_dir_ns+0x26a/0x290
[  314.286711][ T4669]  ? sysfs_warn_dup+0xa0/0xa0
[  314.291451][ T4669]  ? do_raw_spin_unlock+0x11d/0x230
[  314.296699][ T4669]  kobject_add_internal+0x61c/0xcc0
[  314.301950][ T4669]  kobject_init_and_add+0x128/0x190
[  314.307203][ T4669]  ? lockdep_softirqs_off+0x430/0x430
[  314.312612][ T4669]  ? kobject_add+0x230/0x230
[  314.317236][ T4669]  ? __init_swait_queue_head+0xa5/0x150
[  314.322818][ T4669]  gfs2_sys_fs_add+0x24f/0x4b0
[  314.327629][ T4669]  ? gfs2_recover_set+0x240/0x240
[  314.332681][ T4669]  ? snprintf+0xe5/0x140
[  314.336954][ T4669]  ? vscnprintf+0x80/0x80
[  314.341310][ T4669]  gfs2_fill_super+0x128c/0x1fb0
[  314.346282][ T4669]  ? gfs2_reconfigure+0xd30/0xd30
[  314.351348][ T4669]  ? sb_set_blocksize+0xa5/0xe0
[  314.356234][ T4669]  get_tree_bdev+0x3f1/0x610
[  314.361032][ T4669]  ? gfs2_reconfigure+0xd30/0xd30
[  314.366105][ T4669]  gfs2_get_tree+0x4d/0x1e0
[  314.370654][ T4669]  vfs_get_tree+0x88/0x270
[  314.375124][ T4669]  do_new_mount+0x24a/0xa40
[  314.379673][ T4669]  __se_sys_mount+0x2e3/0x3d0
[  314.384416][ T4669]  ? __x64_sys_mount+0xc0/0xc0
[  314.389205][ T4669]  ? lockdep_hardirqs_on+0x94/0x140
[  314.394422][ T4669]  ? __x64_sys_mount+0x1c/0xc0
[  314.399223][ T4669]  do_syscall_64+0x4c/0xa0
[  314.403670][ T4669]  ? clear_bhb_loop+0x60/0xb0
[  314.408378][ T4669]  ? clear_bhb_loop+0x60/0xb0
[  314.413090][ T4669]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  314.419024][ T4669] RIP: 0033:0x7f360b99e04a
[  314.423460][ T4669] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  314.443090][ T4669] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  314.451530][ T4669] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  314.459534][ T4669] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  314.467554][ T4669] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  314.475555][ T4669] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  314.483548][ T4669] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  314.491559][ T4669]  </TASK>
[  314.495507][ T4669] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  314.508780][ T4669] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  314.862759][ T4670] loop1: detected capacity change from 0 to 32768
[  314.879972][ T4670] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  314.887930][ T4670] CPU: 1 PID: 4670 Comm: syz.1.204 Not tainted syzkaller #0
[  314.895269][ T4670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  314.905382][ T4670] Call Trace:
[  314.908704][ T4670]  <TASK>
[  314.911676][ T4670]  dump_stack_lvl+0x188/0x24e
[  314.916415][ T4670]  ? show_regs_print_info+0x12/0x12
[  314.921678][ T4670]  ? load_image+0x400/0x400
[  314.926248][ T4670]  sysfs_create_dir_ns+0x26a/0x290
[  314.931423][ T4670]  ? sysfs_warn_dup+0xa0/0xa0
[  314.936162][ T4670]  ? do_raw_spin_unlock+0x11d/0x230
[  314.941415][ T4670]  kobject_add_internal+0x61c/0xcc0
[  314.946670][ T4670]  kobject_init_and_add+0x128/0x190
[  314.951919][ T4670]  ? lockdep_softirqs_off+0x430/0x430
[  314.957354][ T4670]  ? kobject_add+0x230/0x230
[  314.961996][ T4670]  ? __init_swait_queue_head+0xa5/0x150
[  314.967609][ T4670]  gfs2_sys_fs_add+0x24f/0x4b0
[  314.972429][ T4670]  ? gfs2_recover_set+0x240/0x240
[  314.977516][ T4670]  ? snprintf+0xe5/0x140
[  314.981809][ T4670]  ? vscnprintf+0x80/0x80
[  314.986213][ T4670]  gfs2_fill_super+0x128c/0x1fb0
[  314.991227][ T4670]  ? gfs2_reconfigure+0xd30/0xd30
[  314.996310][ T4670]  ? sb_set_blocksize+0xa5/0xe0
[  315.001240][ T4670]  get_tree_bdev+0x3f1/0x610
[  315.005907][ T4670]  ? gfs2_reconfigure+0xd30/0xd30
[  315.010989][ T4670]  gfs2_get_tree+0x4d/0x1e0
[  315.015550][ T4670]  vfs_get_tree+0x88/0x270
[  315.020017][ T4670]  do_new_mount+0x24a/0xa40
[  315.024575][ T4670]  __se_sys_mount+0x2e3/0x3d0
[  315.029305][ T4670]  ? __x64_sys_mount+0xc0/0xc0
[  315.034131][ T4670]  ? lockdep_hardirqs_on+0x94/0x140
[  315.039374][ T4670]  ? __x64_sys_mount+0x1c/0xc0
[  315.044191][ T4670]  do_syscall_64+0x4c/0xa0
[  315.048653][ T4670]  ? clear_bhb_loop+0x60/0xb0
[  315.053388][ T4670]  ? clear_bhb_loop+0x60/0xb0
[  315.058131][ T4670]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  315.064073][ T4670] RIP: 0033:0x7f360b99e04a
[  315.068532][ T4670] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  315.088188][ T4670] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  315.096653][ T4670] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  315.104677][ T4670] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  315.112693][ T4670] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  315.120706][ T4670] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  315.128724][ T4670] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  315.136756][ T4670]  </TASK>
[  315.144634][ T4670] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  315.160624][ T4670] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  315.482946][ T4671] loop1: detected capacity change from 0 to 32768
[  315.499222][ T4671] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  315.506858][ T4671] CPU: 1 PID: 4671 Comm: syz.1.205 Not tainted syzkaller #0
[  315.514196][ T4671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  315.524302][ T4671] Call Trace:
[  315.527628][ T4671]  <TASK>
[  315.530613][ T4671]  dump_stack_lvl+0x188/0x24e
[  315.535356][ T4671]  ? show_regs_print_info+0x12/0x12
[  315.540612][ T4671]  ? load_image+0x400/0x400
[  315.545182][ T4671]  sysfs_create_dir_ns+0x26a/0x290
[  315.550366][ T4671]  ? sysfs_warn_dup+0xa0/0xa0
[  315.555111][ T4671]  ? do_raw_spin_unlock+0x11d/0x230
[  315.560367][ T4671]  kobject_add_internal+0x61c/0xcc0
[  315.565620][ T4671]  kobject_init_and_add+0x128/0x190
[  315.570866][ T4671]  ? lockdep_softirqs_off+0x430/0x430
[  315.576307][ T4671]  ? kobject_add+0x230/0x230
[  315.580965][ T4671]  ? __init_swait_queue_head+0xa5/0x150
[  315.586659][ T4671]  gfs2_sys_fs_add+0x24f/0x4b0
[  315.591491][ T4671]  ? gfs2_recover_set+0x240/0x240
[  315.596573][ T4671]  ? snprintf+0xe5/0x140
[  315.600875][ T4671]  ? vscnprintf+0x80/0x80
[  315.605275][ T4671]  gfs2_fill_super+0x128c/0x1fb0
[  315.610289][ T4671]  ? gfs2_reconfigure+0xd30/0xd30
[  315.615627][ T4671]  ? sb_set_blocksize+0xa5/0xe0
[  315.620530][ T4671]  get_tree_bdev+0x3f1/0x610
[  315.625154][ T4671]  ? gfs2_reconfigure+0xd30/0xd30
[  315.630208][ T4671]  gfs2_get_tree+0x4d/0x1e0
[  315.634749][ T4671]  vfs_get_tree+0x88/0x270
[  315.639192][ T4671]  do_new_mount+0x24a/0xa40
[  315.643727][ T4671]  __se_sys_mount+0x2e3/0x3d0
[  315.648442][ T4671]  ? __x64_sys_mount+0xc0/0xc0
[  315.653237][ T4671]  ? lockdep_hardirqs_on+0x94/0x140
[  315.658470][ T4671]  ? __x64_sys_mount+0x1c/0xc0
[  315.663276][ T4671]  do_syscall_64+0x4c/0xa0
[  315.667732][ T4671]  ? clear_bhb_loop+0x60/0xb0
[  315.672437][ T4671]  ? clear_bhb_loop+0x60/0xb0
[  315.677144][ T4671]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  315.683067][ T4671] RIP: 0033:0x7f360b99e04a
[  315.687511][ T4671] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  315.707316][ T4671] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  315.715753][ T4671] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  315.723751][ T4671] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  315.731745][ T4671] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  315.739747][ T4671] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  315.747738][ T4671] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  315.755748][ T4671]  </TASK>
[  315.763561][ T4671] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  315.777221][ T4671] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  316.127510][ T4672] loop1: detected capacity change from 0 to 32768
[  316.150236][ T4672] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  316.157771][ T4672] CPU: 0 PID: 4672 Comm: syz.1.206 Not tainted syzkaller #0
[  316.165117][ T4672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  316.175223][ T4672] Call Trace:
[  316.178558][ T4672]  <TASK>
[  316.181537][ T4672]  dump_stack_lvl+0x188/0x24e
[  316.186277][ T4672]  ? show_regs_print_info+0x12/0x12
[  316.191532][ T4672]  ? load_image+0x400/0x400
[  316.196104][ T4672]  sysfs_create_dir_ns+0x26a/0x290
[  316.201282][ T4672]  ? sysfs_warn_dup+0xa0/0xa0
[  316.206025][ T4672]  ? do_raw_spin_unlock+0x11d/0x230
[  316.211279][ T4672]  kobject_add_internal+0x61c/0xcc0
[  316.216544][ T4672]  kobject_init_and_add+0x128/0x190
[  316.221788][ T4672]  ? lockdep_softirqs_off+0x430/0x430
[  316.227219][ T4672]  ? kobject_add+0x230/0x230
[  316.231860][ T4672]  ? __init_swait_queue_head+0xa5/0x150
[  316.237469][ T4672]  gfs2_sys_fs_add+0x24f/0x4b0
[  316.242305][ T4672]  ? gfs2_recover_set+0x240/0x240
[  316.247387][ T4672]  ? snprintf+0xe5/0x140
[  316.251698][ T4672]  ? vscnprintf+0x80/0x80
[  316.256111][ T4672]  gfs2_fill_super+0x128c/0x1fb0
[  316.261117][ T4672]  ? gfs2_reconfigure+0xd30/0xd30
[  316.266205][ T4672]  ? sb_set_blocksize+0xa5/0xe0
[  316.271116][ T4672]  get_tree_bdev+0x3f1/0x610
[  316.275769][ T4672]  ? gfs2_reconfigure+0xd30/0xd30
[  316.280895][ T4672]  gfs2_get_tree+0x4d/0x1e0
[  316.285451][ T4672]  vfs_get_tree+0x88/0x270
[  316.289919][ T4672]  do_new_mount+0x24a/0xa40
[  316.294477][ T4672]  __se_sys_mount+0x2e3/0x3d0
[  316.299203][ T4672]  ? __x64_sys_mount+0xc0/0xc0
[  316.304016][ T4672]  ? lockdep_hardirqs_on+0x94/0x140
[  316.309263][ T4672]  ? __x64_sys_mount+0x1c/0xc0
[  316.314082][ T4672]  do_syscall_64+0x4c/0xa0
[  316.318563][ T4672]  ? clear_bhb_loop+0x60/0xb0
[  316.323329][ T4672]  ? clear_bhb_loop+0x60/0xb0
[  316.328065][ T4672]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  316.334030][ T4672] RIP: 0033:0x7f360b99e04a
[  316.338574][ T4672] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  316.358320][ T4672] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  316.366790][ T4672] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  316.374813][ T4672] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  316.382834][ T4672] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  316.390849][ T4672] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  316.398874][ T4672] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  316.406955][ T4672]  </TASK>
[  316.420816][ T4672] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  316.434982][ T4672] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  316.795256][ T4673] loop1: detected capacity change from 0 to 32768
[  316.812614][ T4673] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  316.829310][ T4673] CPU: 1 PID: 4673 Comm: syz.1.207 Not tainted syzkaller #0
[  316.836678][ T4673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  316.846778][ T4673] Call Trace:
[  316.850110][ T4673]  <TASK>
[  316.853090][ T4673]  dump_stack_lvl+0x188/0x24e
[  316.857831][ T4673]  ? show_regs_print_info+0x12/0x12
[  316.863097][ T4673]  ? load_image+0x400/0x400
[  316.867671][ T4673]  sysfs_create_dir_ns+0x26a/0x290
[  316.872860][ T4673]  ? sysfs_warn_dup+0xa0/0xa0
[  316.877600][ T4673]  ? do_raw_spin_unlock+0x11d/0x230
[  316.882855][ T4673]  kobject_add_internal+0x61c/0xcc0
[  316.888113][ T4673]  kobject_init_and_add+0x128/0x190
[  316.893341][ T4673]  ? lockdep_softirqs_off+0x430/0x430
[  316.898751][ T4673]  ? kobject_add+0x230/0x230
[  316.903373][ T4673]  ? __init_swait_queue_head+0xa5/0x150
[  316.908964][ T4673]  gfs2_sys_fs_add+0x24f/0x4b0
[  316.913766][ T4673]  ? gfs2_recover_set+0x240/0x240
[  316.918823][ T4673]  ? snprintf+0xe5/0x140
[  316.923102][ T4673]  ? vscnprintf+0x80/0x80
[  316.927475][ T4673]  gfs2_fill_super+0x128c/0x1fb0
[  316.932453][ T4673]  ? gfs2_reconfigure+0xd30/0xd30
[  316.937509][ T4673]  ? sb_set_blocksize+0xa5/0xe0
[  316.942397][ T4673]  get_tree_bdev+0x3f1/0x610
[  316.947022][ T4673]  ? gfs2_reconfigure+0xd30/0xd30
[  316.952093][ T4673]  gfs2_get_tree+0x4d/0x1e0
[  316.956627][ T4673]  vfs_get_tree+0x88/0x270
[  316.961073][ T4673]  do_new_mount+0x24a/0xa40
[  316.965611][ T4673]  __se_sys_mount+0x2e3/0x3d0
[  316.970326][ T4673]  ? __x64_sys_mount+0xc0/0xc0
[  316.975122][ T4673]  ? lockdep_hardirqs_on+0x94/0x140
[  316.980354][ T4673]  ? __x64_sys_mount+0x1c/0xc0
[  316.985148][ T4673]  do_syscall_64+0x4c/0xa0
[  316.989598][ T4673]  ? clear_bhb_loop+0x60/0xb0
[  316.994304][ T4673]  ? clear_bhb_loop+0x60/0xb0
[  316.999011][ T4673]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  317.004937][ T4673] RIP: 0033:0x7f360b99e04a
[  317.009384][ T4673] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  317.029016][ T4673] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  317.037458][ T4673] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  317.045455][ T4673] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  317.053451][ T4673] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  317.061446][ T4673] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  317.069477][ T4673] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  317.077501][ T4673]  </TASK>
[  317.085587][ T4673] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  317.099960][ T4673] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  317.122749][ T1277] ieee802154 phy0 wpan0: encryption failed: -22
[  317.129135][ T1277] ieee802154 phy1 wpan1: encryption failed: -22
[  317.478295][ T4674] loop1: detected capacity change from 0 to 32768
[  317.495778][ T4674] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  317.503360][ T4674] CPU: 1 PID: 4674 Comm: syz.1.208 Not tainted syzkaller #0
[  317.510694][ T4674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  317.520883][ T4674] Call Trace:
[  317.524209][ T4674]  <TASK>
[  317.527182][ T4674]  dump_stack_lvl+0x188/0x24e
[  317.531923][ T4674]  ? show_regs_print_info+0x12/0x12
[  317.537183][ T4674]  ? load_image+0x400/0x400
[  317.541753][ T4674]  sysfs_create_dir_ns+0x26a/0x290
[  317.546932][ T4674]  ? sysfs_warn_dup+0xa0/0xa0
[  317.551669][ T4674]  ? do_raw_spin_unlock+0x11d/0x230
[  317.556926][ T4674]  kobject_add_internal+0x61c/0xcc0
[  317.562183][ T4674]  kobject_init_and_add+0x128/0x190
[  317.567425][ T4674]  ? lockdep_softirqs_off+0x430/0x430
[  317.572858][ T4674]  ? kobject_add+0x230/0x230
[  317.577494][ T4674]  ? __init_swait_queue_head+0xa5/0x150
[  317.583115][ T4674]  gfs2_sys_fs_add+0x24f/0x4b0
[  317.587946][ T4674]  ? gfs2_recover_set+0x240/0x240
[  317.593029][ T4674]  ? snprintf+0xe5/0x140
[  317.597320][ T4674]  ? vscnprintf+0x80/0x80
[  317.601714][ T4674]  gfs2_fill_super+0x128c/0x1fb0
[  317.606714][ T4674]  ? gfs2_reconfigure+0xd30/0xd30
[  317.611796][ T4674]  ? sb_set_blocksize+0xa5/0xe0
[  317.616698][ T4674]  get_tree_bdev+0x3f1/0x610
[  317.621400][ T4674]  ? gfs2_reconfigure+0xd30/0xd30
[  317.626456][ T4674]  gfs2_get_tree+0x4d/0x1e0
[  317.630990][ T4674]  vfs_get_tree+0x88/0x270
[  317.635432][ T4674]  do_new_mount+0x24a/0xa40
[  317.639967][ T4674]  __se_sys_mount+0x2e3/0x3d0
[  317.644699][ T4674]  ? __x64_sys_mount+0xc0/0xc0
[  317.649496][ T4674]  ? lockdep_hardirqs_on+0x94/0x140
[  317.654745][ T4674]  ? __x64_sys_mount+0x1c/0xc0
[  317.659547][ T4674]  do_syscall_64+0x4c/0xa0
[  317.663998][ T4674]  ? clear_bhb_loop+0x60/0xb0
[  317.668703][ T4674]  ? clear_bhb_loop+0x60/0xb0
[  317.673448][ T4674]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  317.679367][ T4674] RIP: 0033:0x7f360b99e04a
[  317.683807][ T4674] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  317.703446][ T4674] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  317.711904][ T4674] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  317.719904][ T4674] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  317.727900][ T4674] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  317.735910][ T4674] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  317.743928][ T4674] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  317.751950][ T4674]  </TASK>
[  317.761314][ T4674] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  317.774995][ T4674] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  318.122125][ T4675] loop1: detected capacity change from 0 to 32768
[  318.139903][ T4675] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  318.147486][ T4675] CPU: 1 PID: 4675 Comm: syz.1.209 Not tainted syzkaller #0
[  318.154829][ T4675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  318.164930][ T4675] Call Trace:
[  318.168258][ T4675]  <TASK>
[  318.171230][ T4675]  dump_stack_lvl+0x188/0x24e
[  318.175993][ T4675]  ? show_regs_print_info+0x12/0x12
[  318.181257][ T4675]  ? load_image+0x400/0x400
[  318.185830][ T4675]  sysfs_create_dir_ns+0x26a/0x290
[  318.191011][ T4675]  ? sysfs_warn_dup+0xa0/0xa0
[  318.195747][ T4675]  ? do_raw_spin_unlock+0x11d/0x230
[  318.201009][ T4675]  kobject_add_internal+0x61c/0xcc0
[  318.206270][ T4675]  kobject_init_and_add+0x128/0x190
[  318.211517][ T4675]  ? lockdep_softirqs_off+0x430/0x430
[  318.216952][ T4675]  ? kobject_add+0x230/0x230
[  318.221599][ T4675]  ? __init_swait_queue_head+0xa5/0x150
[  318.227205][ T4675]  gfs2_sys_fs_add+0x24f/0x4b0
[  318.232035][ T4675]  ? gfs2_recover_set+0x240/0x240
[  318.237123][ T4675]  ? snprintf+0xe5/0x140
[  318.241514][ T4675]  ? vscnprintf+0x80/0x80
[  318.245919][ T4675]  gfs2_fill_super+0x128c/0x1fb0
[  318.250922][ T4675]  ? gfs2_reconfigure+0xd30/0xd30
[  318.256001][ T4675]  ? sb_set_blocksize+0xa5/0xe0
[  318.260902][ T4675]  get_tree_bdev+0x3f1/0x610
[  318.265526][ T4675]  ? gfs2_reconfigure+0xd30/0xd30
[  318.270581][ T4675]  gfs2_get_tree+0x4d/0x1e0
[  318.275120][ T4675]  vfs_get_tree+0x88/0x270
[  318.279565][ T4675]  do_new_mount+0x24a/0xa40
[  318.284106][ T4675]  __se_sys_mount+0x2e3/0x3d0
[  318.288811][ T4675]  ? __x64_sys_mount+0xc0/0xc0
[  318.293604][ T4675]  ? lockdep_hardirqs_on+0x94/0x140
[  318.298826][ T4675]  ? __x64_sys_mount+0x1c/0xc0
[  318.303619][ T4675]  do_syscall_64+0x4c/0xa0
[  318.308158][ T4675]  ? clear_bhb_loop+0x60/0xb0
[  318.312867][ T4675]  ? clear_bhb_loop+0x60/0xb0
[  318.317594][ T4675]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  318.323518][ T4675] RIP: 0033:0x7f360b99e04a
[  318.327962][ T4675] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  318.347609][ T4675] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  318.356061][ T4675] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  318.364058][ T4675] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  318.372056][ T4675] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  318.380057][ T4675] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  318.388067][ T4675] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  318.396085][ T4675]  </TASK>
[  318.405906][ T4675] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  318.419155][ T4675] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/05/10 14:33:26 executed programs: 195
[  318.768637][ T4676] loop1: detected capacity change from 0 to 32768
[  318.777307][ T4676] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  318.786995][ T4676] CPU: 0 PID: 4676 Comm: syz.1.210 Not tainted syzkaller #0
[  318.794343][ T4676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  318.804442][ T4676] Call Trace:
[  318.807762][ T4676]  <TASK>
[  318.810738][ T4676]  dump_stack_lvl+0x188/0x24e
[  318.815463][ T4676]  ? show_regs_print_info+0x12/0x12
[  318.820701][ T4676]  ? load_image+0x400/0x400
[  318.825288][ T4676]  sysfs_create_dir_ns+0x26a/0x290
[  318.830433][ T4676]  ? sysfs_warn_dup+0xa0/0xa0
[  318.835137][ T4676]  ? do_raw_spin_unlock+0x11d/0x230
[  318.840366][ T4676]  kobject_add_internal+0x61c/0xcc0
[  318.845596][ T4676]  kobject_init_and_add+0x128/0x190
[  318.850825][ T4676]  ? lockdep_softirqs_off+0x430/0x430
[  318.856233][ T4676]  ? kobject_add+0x230/0x230
[  318.860866][ T4676]  ? __init_swait_queue_head+0xa5/0x150
[  318.866445][ T4676]  gfs2_sys_fs_add+0x24f/0x4b0
[  318.871247][ T4676]  ? gfs2_recover_set+0x240/0x240
[  318.876306][ T4676]  ? snprintf+0xe5/0x140
[  318.880583][ T4676]  ? vscnprintf+0x80/0x80
[  318.884955][ T4676]  gfs2_fill_super+0x128c/0x1fb0
[  318.889928][ T4676]  ? gfs2_reconfigure+0xd30/0xd30
[  318.894984][ T4676]  ? sb_set_blocksize+0xa5/0xe0
[  318.899869][ T4676]  get_tree_bdev+0x3f1/0x610
[  318.904488][ T4676]  ? gfs2_reconfigure+0xd30/0xd30
[  318.909540][ T4676]  gfs2_get_tree+0x4d/0x1e0
[  318.914075][ T4676]  vfs_get_tree+0x88/0x270
[  318.918543][ T4676]  do_new_mount+0x24a/0xa40
[  318.923086][ T4676]  __se_sys_mount+0x2e3/0x3d0
[  318.927794][ T4676]  ? __x64_sys_mount+0xc0/0xc0
[  318.932591][ T4676]  ? lockdep_hardirqs_on+0x94/0x140
[  318.937818][ T4676]  ? __x64_sys_mount+0x1c/0xc0
[  318.942619][ T4676]  do_syscall_64+0x4c/0xa0
[  318.947069][ T4676]  ? clear_bhb_loop+0x60/0xb0
[  318.951777][ T4676]  ? clear_bhb_loop+0x60/0xb0
[  318.956487][ T4676]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  318.962412][ T4676] RIP: 0033:0x7f360b99e04a
[  318.966873][ T4676] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  318.986503][ T4676] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  318.994944][ T4676] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  319.002942][ T4676] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  319.010938][ T4676] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  319.018929][ T4676] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  319.026939][ T4676] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  319.034954][ T4676]  </TASK>
[  319.043246][ T4676] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  319.057606][ T4676] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  319.414961][ T4677] loop1: detected capacity change from 0 to 32768
[  319.432231][ T4677] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  319.439763][ T4677] CPU: 1 PID: 4677 Comm: syz.1.211 Not tainted syzkaller #0
[  319.447103][ T4677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  319.457203][ T4677] Call Trace:
[  319.460527][ T4677]  <TASK>
[  319.463498][ T4677]  dump_stack_lvl+0x188/0x24e
[  319.468243][ T4677]  ? show_regs_print_info+0x12/0x12
[  319.473504][ T4677]  ? load_image+0x400/0x400
[  319.478075][ T4677]  sysfs_create_dir_ns+0x26a/0x290
[  319.483252][ T4677]  ? sysfs_warn_dup+0xa0/0xa0
[  319.488241][ T4677]  ? do_raw_spin_unlock+0x11d/0x230
[  319.493484][ T4677]  kobject_add_internal+0x61c/0xcc0
[  319.498738][ T4677]  kobject_init_and_add+0x128/0x190
[  319.503978][ T4677]  ? lockdep_softirqs_off+0x430/0x430
[  319.509404][ T4677]  ? kobject_add+0x230/0x230
[  319.514307][ T4677]  ? __init_swait_queue_head+0xa5/0x150
[  319.519919][ T4677]  gfs2_sys_fs_add+0x24f/0x4b0
[  319.524749][ T4677]  ? gfs2_recover_set+0x240/0x240
[  319.529850][ T4677]  ? snprintf+0xe5/0x140
[  319.534153][ T4677]  ? vscnprintf+0x80/0x80
[  319.538542][ T4677]  gfs2_fill_super+0x128c/0x1fb0
[  319.543544][ T4677]  ? gfs2_reconfigure+0xd30/0xd30
[  319.548606][ T4677]  ? sb_set_blocksize+0xa5/0xe0
[  319.553494][ T4677]  get_tree_bdev+0x3f1/0x610
[  319.558117][ T4677]  ? gfs2_reconfigure+0xd30/0xd30
[  319.563177][ T4677]  gfs2_get_tree+0x4d/0x1e0
[  319.567711][ T4677]  vfs_get_tree+0x88/0x270
[  319.572158][ T4677]  do_new_mount+0x24a/0xa40
[  319.576702][ T4677]  __se_sys_mount+0x2e3/0x3d0
[  319.581410][ T4677]  ? __x64_sys_mount+0xc0/0xc0
[  319.586199][ T4677]  ? lockdep_hardirqs_on+0x94/0x140
[  319.591425][ T4677]  ? __x64_sys_mount+0x1c/0xc0
[  319.596216][ T4677]  do_syscall_64+0x4c/0xa0
[  319.600676][ T4677]  ? clear_bhb_loop+0x60/0xb0
[  319.605387][ T4677]  ? clear_bhb_loop+0x60/0xb0
[  319.610101][ T4677]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  319.616024][ T4677] RIP: 0033:0x7f360b99e04a
[  319.620464][ T4677] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  319.640092][ T4677] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  319.648566][ T4677] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  319.656561][ T4677] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  319.664558][ T4677] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  319.672552][ T4677] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  319.680544][ T4677] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  319.688552][ T4677]  </TASK>
[  319.699907][ T4677] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  319.713183][ T4677] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  320.062401][ T4678] loop1: detected capacity change from 0 to 32768
[  320.075145][ T4678] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  320.086814][ T4678] CPU: 0 PID: 4678 Comm: syz.1.212 Not tainted syzkaller #0
[  320.094177][ T4678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  320.104280][ T4678] Call Trace:
[  320.107589][ T4678]  <TASK>
[  320.110555][ T4678]  dump_stack_lvl+0x188/0x24e
[  320.115279][ T4678]  ? show_regs_print_info+0x12/0x12
[  320.120525][ T4678]  ? load_image+0x400/0x400
[  320.125086][ T4678]  sysfs_create_dir_ns+0x26a/0x290
[  320.130260][ T4678]  ? sysfs_warn_dup+0xa0/0xa0
[  320.134977][ T4678]  ? do_raw_spin_unlock+0x11d/0x230
[  320.140296][ T4678]  kobject_add_internal+0x61c/0xcc0
[  320.145536][ T4678]  kobject_init_and_add+0x128/0x190
[  320.150764][ T4678]  ? lockdep_softirqs_off+0x430/0x430
[  320.156170][ T4678]  ? kobject_add+0x230/0x230
[  320.160789][ T4678]  ? __init_swait_queue_head+0xa5/0x150
[  320.166369][ T4678]  gfs2_sys_fs_add+0x24f/0x4b0
[  320.171176][ T4678]  ? gfs2_recover_set+0x240/0x240
[  320.176234][ T4678]  ? snprintf+0xe5/0x140
[  320.180511][ T4678]  ? vscnprintf+0x80/0x80
[  320.184878][ T4678]  gfs2_fill_super+0x128c/0x1fb0
[  320.189853][ T4678]  ? gfs2_reconfigure+0xd30/0xd30
[  320.194910][ T4678]  ? sb_set_blocksize+0xa5/0xe0
[  320.199809][ T4678]  get_tree_bdev+0x3f1/0x610
[  320.204440][ T4678]  ? gfs2_reconfigure+0xd30/0xd30
[  320.209495][ T4678]  gfs2_get_tree+0x4d/0x1e0
[  320.214043][ T4678]  vfs_get_tree+0x88/0x270
[  320.218486][ T4678]  do_new_mount+0x24a/0xa40
[  320.223020][ T4678]  __se_sys_mount+0x2e3/0x3d0
[  320.227734][ T4678]  ? __x64_sys_mount+0xc0/0xc0
[  320.232617][ T4678]  ? lockdep_hardirqs_on+0x94/0x140
[  320.237849][ T4678]  ? __x64_sys_mount+0x1c/0xc0
[  320.242686][ T4678]  do_syscall_64+0x4c/0xa0
[  320.247139][ T4678]  ? clear_bhb_loop+0x60/0xb0
[  320.251847][ T4678]  ? clear_bhb_loop+0x60/0xb0
[  320.256558][ T4678]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  320.262477][ T4678] RIP: 0033:0x7f360b99e04a
[  320.266915][ T4678] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  320.286550][ T4678] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  320.294994][ T4678] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  320.302991][ T4678] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  320.311072][ T4678] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  320.319176][ T4678] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  320.327268][ T4678] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  320.335281][ T4678]  </TASK>
[  320.342596][ T4678] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  320.357973][ T4678] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  320.710221][ T4679] loop1: detected capacity change from 0 to 32768
[  320.733249][ T4679] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  320.740819][ T4679] CPU: 0 PID: 4679 Comm: syz.1.213 Not tainted syzkaller #0
[  320.748161][ T4679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  320.758269][ T4679] Call Trace:
[  320.761597][ T4679]  <TASK>
[  320.764599][ T4679]  dump_stack_lvl+0x188/0x24e
[  320.769344][ T4679]  ? show_regs_print_info+0x12/0x12
[  320.774606][ T4679]  ? load_image+0x400/0x400
[  320.779175][ T4679]  sysfs_create_dir_ns+0x26a/0x290
[  320.784355][ T4679]  ? sysfs_warn_dup+0xa0/0xa0
[  320.789095][ T4679]  ? do_raw_spin_unlock+0x11d/0x230
[  320.794357][ T4679]  kobject_add_internal+0x61c/0xcc0
[  320.799613][ T4679]  kobject_init_and_add+0x128/0x190
[  320.804865][ T4679]  ? lockdep_softirqs_off+0x430/0x430
[  320.810303][ T4679]  ? kobject_add+0x230/0x230
[  320.814943][ T4679]  ? __init_swait_queue_head+0xa5/0x150
[  320.820534][ T4679]  gfs2_sys_fs_add+0x24f/0x4b0
[  320.825348][ T4679]  ? gfs2_recover_set+0x240/0x240
[  320.830449][ T4679]  ? snprintf+0xe5/0x140
[  320.834735][ T4679]  ? vscnprintf+0x80/0x80
[  320.839107][ T4679]  gfs2_fill_super+0x128c/0x1fb0
[  320.844082][ T4679]  ? gfs2_reconfigure+0xd30/0xd30
[  320.849141][ T4679]  ? sb_set_blocksize+0xa5/0xe0
[  320.854027][ T4679]  get_tree_bdev+0x3f1/0x610
[  320.858652][ T4679]  ? gfs2_reconfigure+0xd30/0xd30
[  320.863714][ T4679]  gfs2_get_tree+0x4d/0x1e0
[  320.868247][ T4679]  vfs_get_tree+0x88/0x270
[  320.872699][ T4679]  do_new_mount+0x24a/0xa40
[  320.877236][ T4679]  __se_sys_mount+0x2e3/0x3d0
[  320.881949][ T4679]  ? __x64_sys_mount+0xc0/0xc0
[  320.886743][ T4679]  ? lockdep_hardirqs_on+0x94/0x140
[  320.891978][ T4679]  ? __x64_sys_mount+0x1c/0xc0
[  320.896770][ T4679]  do_syscall_64+0x4c/0xa0
[  320.901228][ T4679]  ? clear_bhb_loop+0x60/0xb0
[  320.905934][ T4679]  ? clear_bhb_loop+0x60/0xb0
[  320.910648][ T4679]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  320.916576][ T4679] RIP: 0033:0x7f360b99e04a
[  320.921025][ T4679] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  320.940658][ T4679] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  320.949109][ T4679] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  320.957113][ T4679] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  320.965132][ T4679] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  320.973135][ T4679] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  320.981136][ T4679] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  320.989146][ T4679]  </TASK>
[  320.997966][ T4679] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  321.013361][ T4679] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  321.356706][ T4680] loop1: detected capacity change from 0 to 32768
[  321.371482][ T4680] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  321.378947][ T4680] CPU: 0 PID: 4680 Comm: syz.1.214 Not tainted syzkaller #0
[  321.386274][ T4680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  321.396372][ T4680] Call Trace:
[  321.399692][ T4680]  <TASK>
[  321.402659][ T4680]  dump_stack_lvl+0x188/0x24e
[  321.407417][ T4680]  ? show_regs_print_info+0x12/0x12
[  321.412684][ T4680]  ? load_image+0x400/0x400
[  321.417249][ T4680]  sysfs_create_dir_ns+0x26a/0x290
[  321.422436][ T4680]  ? sysfs_warn_dup+0xa0/0xa0
[  321.427181][ T4680]  ? do_raw_spin_unlock+0x11d/0x230
[  321.432432][ T4680]  kobject_add_internal+0x61c/0xcc0
[  321.437694][ T4680]  kobject_init_and_add+0x128/0x190
[  321.442967][ T4680]  ? lockdep_softirqs_off+0x430/0x430
[  321.448389][ T4680]  ? kobject_add+0x230/0x230
[  321.453020][ T4680]  ? __init_swait_queue_head+0xa5/0x150
[  321.458607][ T4680]  gfs2_sys_fs_add+0x24f/0x4b0
[  321.463415][ T4680]  ? gfs2_recover_set+0x240/0x240
[  321.468563][ T4680]  ? snprintf+0xe5/0x140
[  321.472836][ T4680]  ? vscnprintf+0x80/0x80
[  321.477218][ T4680]  gfs2_fill_super+0x128c/0x1fb0
[  321.482195][ T4680]  ? gfs2_reconfigure+0xd30/0xd30
[  321.487257][ T4680]  ? sb_set_blocksize+0xa5/0xe0
[  321.492156][ T4680]  get_tree_bdev+0x3f1/0x610
[  321.496776][ T4680]  ? gfs2_reconfigure+0xd30/0xd30
[  321.501831][ T4680]  gfs2_get_tree+0x4d/0x1e0
[  321.506374][ T4680]  vfs_get_tree+0x88/0x270
[  321.510836][ T4680]  do_new_mount+0x24a/0xa40
[  321.515385][ T4680]  __se_sys_mount+0x2e3/0x3d0
[  321.520100][ T4680]  ? __x64_sys_mount+0xc0/0xc0
[  321.524906][ T4680]  ? lockdep_hardirqs_on+0x94/0x140
[  321.530143][ T4680]  ? __x64_sys_mount+0x1c/0xc0
[  321.534939][ T4680]  do_syscall_64+0x4c/0xa0
[  321.539396][ T4680]  ? clear_bhb_loop+0x60/0xb0
[  321.544116][ T4680]  ? clear_bhb_loop+0x60/0xb0
[  321.548836][ T4680]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  321.554769][ T4680] RIP: 0033:0x7f360b99e04a
[  321.559222][ T4680] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  321.578955][ T4680] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  321.587396][ T4680] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  321.595490][ T4680] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  321.603565][ T4680] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  321.611572][ T4680] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  321.619659][ T4680] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  321.627665][ T4680]  </TASK>
[  321.631863][ T4680] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  321.648247][ T4680] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  322.004775][ T4681] loop1: detected capacity change from 0 to 32768
[  322.020305][ T4681] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  322.027793][ T4681] CPU: 0 PID: 4681 Comm: syz.1.215 Not tainted syzkaller #0
[  322.035119][ T4681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  322.045215][ T4681] Call Trace:
[  322.048533][ T4681]  <TASK>
[  322.051525][ T4681]  dump_stack_lvl+0x188/0x24e
[  322.056268][ T4681]  ? show_regs_print_info+0x12/0x12
[  322.061542][ T4681]  ? load_image+0x400/0x400
[  322.066099][ T4681]  sysfs_create_dir_ns+0x26a/0x290
[  322.071269][ T4681]  ? sysfs_warn_dup+0xa0/0xa0
[  322.075981][ T4681]  ? do_raw_spin_unlock+0x11d/0x230
[  322.081209][ T4681]  kobject_add_internal+0x61c/0xcc0
[  322.086446][ T4681]  kobject_init_and_add+0x128/0x190
[  322.091684][ T4681]  ? lockdep_softirqs_off+0x430/0x430
[  322.097131][ T4681]  ? kobject_add+0x230/0x230
[  322.101765][ T4681]  ? __init_swait_queue_head+0xa5/0x150
[  322.107359][ T4681]  gfs2_sys_fs_add+0x24f/0x4b0
[  322.112181][ T4681]  ? gfs2_recover_set+0x240/0x240
[  322.117239][ T4681]  ? snprintf+0xe5/0x140
[  322.121511][ T4681]  ? vscnprintf+0x80/0x80
[  322.125895][ T4681]  gfs2_fill_super+0x128c/0x1fb0
[  322.130873][ T4681]  ? gfs2_reconfigure+0xd30/0xd30
[  322.135934][ T4681]  ? sb_set_blocksize+0xa5/0xe0
[  322.140834][ T4681]  get_tree_bdev+0x3f1/0x610
[  322.145455][ T4681]  ? gfs2_reconfigure+0xd30/0xd30
[  322.150514][ T4681]  gfs2_get_tree+0x4d/0x1e0
[  322.155046][ T4681]  vfs_get_tree+0x88/0x270
[  322.159491][ T4681]  do_new_mount+0x24a/0xa40
[  322.164030][ T4681]  __se_sys_mount+0x2e3/0x3d0
[  322.168749][ T4681]  ? __x64_sys_mount+0xc0/0xc0
[  322.173549][ T4681]  ? lockdep_hardirqs_on+0x94/0x140
[  322.178771][ T4681]  ? __x64_sys_mount+0x1c/0xc0
[  322.183558][ T4681]  do_syscall_64+0x4c/0xa0
[  322.188007][ T4681]  ? clear_bhb_loop+0x60/0xb0
[  322.192712][ T4681]  ? clear_bhb_loop+0x60/0xb0
[  322.197424][ T4681]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  322.203451][ T4681] RIP: 0033:0x7f360b99e04a
[  322.207895][ T4681] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  322.227521][ T4681] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  322.235974][ T4681] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  322.243998][ T4681] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  322.252081][ T4681] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  322.260072][ T4681] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  322.268061][ T4681] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  322.276070][ T4681]  </TASK>
[  322.286430][ T4681] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  322.301235][ T4681] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  322.648265][ T4682] loop1: detected capacity change from 0 to 32768
[  322.660498][ T4682] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  322.668660][ T4682] CPU: 0 PID: 4682 Comm: syz.1.216 Not tainted syzkaller #0
[  322.676023][ T4682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  322.686116][ T4682] Call Trace:
[  322.689431][ T4682]  <TASK>
[  322.692406][ T4682]  dump_stack_lvl+0x188/0x24e
[  322.697146][ T4682]  ? show_regs_print_info+0x12/0x12
[  322.702404][ T4682]  ? load_image+0x400/0x400
[  322.706971][ T4682]  sysfs_create_dir_ns+0x26a/0x290
[  322.712135][ T4682]  ? sysfs_warn_dup+0xa0/0xa0
[  322.716870][ T4682]  ? do_raw_spin_unlock+0x11d/0x230
[  322.722116][ T4682]  kobject_add_internal+0x61c/0xcc0
[  322.727370][ T4682]  kobject_init_and_add+0x128/0x190
[  322.732619][ T4682]  ? lockdep_softirqs_off+0x430/0x430
[  322.738058][ T4682]  ? kobject_add+0x230/0x230
[  322.742718][ T4682]  ? __init_swait_queue_head+0xa5/0x150
[  322.748323][ T4682]  gfs2_sys_fs_add+0x24f/0x4b0
[  322.753159][ T4682]  ? gfs2_recover_set+0x240/0x240
[  322.758230][ T4682]  ? snprintf+0xe5/0x140
[  322.762505][ T4682]  ? vscnprintf+0x80/0x80
[  322.766873][ T4682]  gfs2_fill_super+0x128c/0x1fb0
[  322.771851][ T4682]  ? gfs2_reconfigure+0xd30/0xd30
[  322.776907][ T4682]  ? sb_set_blocksize+0xa5/0xe0
[  322.781809][ T4682]  get_tree_bdev+0x3f1/0x610
[  322.786477][ T4682]  ? gfs2_reconfigure+0xd30/0xd30
[  322.791534][ T4682]  gfs2_get_tree+0x4d/0x1e0
[  322.796063][ T4682]  vfs_get_tree+0x88/0x270
[  322.800512][ T4682]  do_new_mount+0x24a/0xa40
[  322.805065][ T4682]  __se_sys_mount+0x2e3/0x3d0
[  322.809793][ T4682]  ? __x64_sys_mount+0xc0/0xc0
[  322.814613][ T4682]  ? lockdep_hardirqs_on+0x94/0x140
[  322.819855][ T4682]  ? __x64_sys_mount+0x1c/0xc0
[  322.824655][ T4682]  do_syscall_64+0x4c/0xa0
[  322.829107][ T4682]  ? clear_bhb_loop+0x60/0xb0
[  322.833816][ T4682]  ? clear_bhb_loop+0x60/0xb0
[  322.838525][ T4682]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  322.844582][ T4682] RIP: 0033:0x7f360b99e04a
[  322.849030][ T4682] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  322.868666][ T4682] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  322.877119][ T4682] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  322.885118][ T4682] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  322.893117][ T4682] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  322.901119][ T4682] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  322.909111][ T4682] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  322.917117][ T4682]  </TASK>
[  322.933528][ T4682] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  322.947071][ T4682] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  323.298130][ T4683] loop1: detected capacity change from 0 to 32768
[  323.316999][ T4683] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  323.324647][ T4683] CPU: 1 PID: 4683 Comm: syz.1.217 Not tainted syzkaller #0
[  323.331988][ T4683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  323.342094][ T4683] Call Trace:
[  323.345420][ T4683]  <TASK>
[  323.348393][ T4683]  dump_stack_lvl+0x188/0x24e
[  323.353395][ T4683]  ? show_regs_print_info+0x12/0x12
[  323.358655][ T4683]  ? load_image+0x400/0x400
[  323.363229][ T4683]  sysfs_create_dir_ns+0x26a/0x290
[  323.368403][ T4683]  ? sysfs_warn_dup+0xa0/0xa0
[  323.373140][ T4683]  ? do_raw_spin_unlock+0x11d/0x230
[  323.378427][ T4683]  kobject_add_internal+0x61c/0xcc0
[  323.383677][ T4683]  kobject_init_and_add+0x128/0x190
[  323.388905][ T4683]  ? lockdep_softirqs_off+0x430/0x430
[  323.394318][ T4683]  ? kobject_add+0x230/0x230
[  323.398936][ T4683]  ? __init_swait_queue_head+0xa5/0x150
[  323.404521][ T4683]  gfs2_sys_fs_add+0x24f/0x4b0
[  323.409328][ T4683]  ? gfs2_recover_set+0x240/0x240
[  323.414385][ T4683]  ? snprintf+0xe5/0x140
[  323.418682][ T4683]  ? vscnprintf+0x80/0x80
[  323.423040][ T4683]  gfs2_fill_super+0x128c/0x1fb0
[  323.428016][ T4683]  ? gfs2_reconfigure+0xd30/0xd30
[  323.433087][ T4683]  ? sb_set_blocksize+0xa5/0xe0
[  323.437976][ T4683]  get_tree_bdev+0x3f1/0x610
[  323.442608][ T4683]  ? gfs2_reconfigure+0xd30/0xd30
[  323.447748][ T4683]  gfs2_get_tree+0x4d/0x1e0
[  323.452276][ T4683]  vfs_get_tree+0x88/0x270
[  323.456728][ T4683]  do_new_mount+0x24a/0xa40
[  323.461264][ T4683]  __se_sys_mount+0x2e3/0x3d0
[  323.465975][ T4683]  ? __x64_sys_mount+0xc0/0xc0
[  323.470775][ T4683]  ? lockdep_hardirqs_on+0x94/0x140
[  323.476003][ T4683]  ? __x64_sys_mount+0x1c/0xc0
[  323.480791][ T4683]  do_syscall_64+0x4c/0xa0
[  323.485241][ T4683]  ? clear_bhb_loop+0x60/0xb0
[  323.489951][ T4683]  ? clear_bhb_loop+0x60/0xb0
[  323.494661][ T4683]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  323.500708][ T4683] RIP: 0033:0x7f360b99e04a
[  323.505152][ T4683] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  323.524789][ T4683] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  323.533230][ T4683] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  323.541260][ T4683] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  323.549256][ T4683] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  323.557259][ T4683] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  323.565259][ T4683] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  323.573270][ T4683]  </TASK>
[  323.580874][ T4683] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  323.597801][ T4683] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/05/10 14:33:31 executed programs: 203
[  323.945836][ T4684] loop1: detected capacity change from 0 to 32768
[  323.962957][ T4684] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  323.970527][ T4684] CPU: 1 PID: 4684 Comm: syz.1.218 Not tainted syzkaller #0
[  323.977868][ T4684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  323.987958][ T4684] Call Trace:
[  323.991282][ T4684]  <TASK>
[  323.994255][ T4684]  dump_stack_lvl+0x188/0x24e
[  323.999013][ T4684]  ? show_regs_print_info+0x12/0x12
[  324.004286][ T4684]  ? load_image+0x400/0x400
[  324.008882][ T4684]  sysfs_create_dir_ns+0x26a/0x290
[  324.014042][ T4684]  ? sysfs_warn_dup+0xa0/0xa0
[  324.018776][ T4684]  ? do_raw_spin_unlock+0x11d/0x230
[  324.024027][ T4684]  kobject_add_internal+0x61c/0xcc0
[  324.029287][ T4684]  kobject_init_and_add+0x128/0x190
[  324.034547][ T4684]  ? lockdep_softirqs_off+0x430/0x430
[  324.039992][ T4684]  ? kobject_add+0x230/0x230
[  324.044636][ T4684]  ? __init_swait_queue_head+0xa5/0x150
[  324.050218][ T4684]  gfs2_sys_fs_add+0x24f/0x4b0
[  324.055018][ T4684]  ? gfs2_recover_set+0x240/0x240
[  324.060078][ T4684]  ? snprintf+0xe5/0x140
[  324.064361][ T4684]  ? vscnprintf+0x80/0x80
[  324.068724][ T4684]  gfs2_fill_super+0x128c/0x1fb0
[  324.073784][ T4684]  ? gfs2_reconfigure+0xd30/0xd30
[  324.078850][ T4684]  ? sb_set_blocksize+0xa5/0xe0
[  324.084081][ T4684]  get_tree_bdev+0x3f1/0x610
[  324.088718][ T4684]  ? gfs2_reconfigure+0xd30/0xd30
[  324.093772][ T4684]  gfs2_get_tree+0x4d/0x1e0
[  324.098310][ T4684]  vfs_get_tree+0x88/0x270
[  324.102770][ T4684]  do_new_mount+0x24a/0xa40
[  324.107310][ T4684]  __se_sys_mount+0x2e3/0x3d0
[  324.112037][ T4684]  ? __x64_sys_mount+0xc0/0xc0
[  324.116835][ T4684]  ? lockdep_hardirqs_on+0x94/0x140
[  324.122078][ T4684]  ? __x64_sys_mount+0x1c/0xc0
[  324.126887][ T4684]  do_syscall_64+0x4c/0xa0
[  324.131341][ T4684]  ? clear_bhb_loop+0x60/0xb0
[  324.136059][ T4684]  ? clear_bhb_loop+0x60/0xb0
[  324.140856][ T4684]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  324.146785][ T4684] RIP: 0033:0x7f360b99e04a
[  324.151433][ T4684] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  324.171120][ T4684] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  324.179566][ T4684] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  324.187582][ T4684] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  324.195589][ T4684] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  324.203589][ T4684] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  324.211602][ T4684] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  324.219619][ T4684]  </TASK>
[  324.231189][ T4684] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  324.247593][ T4684] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  324.600788][ T4685] loop1: detected capacity change from 0 to 32768
[  324.616345][ T4685] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  324.623935][ T4685] CPU: 1 PID: 4685 Comm: syz.1.219 Not tainted syzkaller #0
[  324.631284][ T4685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  324.641407][ T4685] Call Trace:
[  324.644733][ T4685]  <TASK>
[  324.647715][ T4685]  dump_stack_lvl+0x188/0x24e
[  324.652456][ T4685]  ? show_regs_print_info+0x12/0x12
[  324.657721][ T4685]  ? load_image+0x400/0x400
[  324.662300][ T4685]  sysfs_create_dir_ns+0x26a/0x290
[  324.667478][ T4685]  ? sysfs_warn_dup+0xa0/0xa0
[  324.672217][ T4685]  ? do_raw_spin_unlock+0x11d/0x230
[  324.677478][ T4685]  kobject_add_internal+0x61c/0xcc0
[  324.682743][ T4685]  kobject_init_and_add+0x128/0x190
[  324.687983][ T4685]  ? lockdep_softirqs_off+0x430/0x430
[  324.693396][ T4685]  ? kobject_add+0x230/0x230
[  324.698019][ T4685]  ? __init_swait_queue_head+0xa5/0x150
[  324.703607][ T4685]  gfs2_sys_fs_add+0x24f/0x4b0
[  324.708419][ T4685]  ? gfs2_recover_set+0x240/0x240
[  324.713486][ T4685]  ? snprintf+0xe5/0x140
[  324.717768][ T4685]  ? vscnprintf+0x80/0x80
[  324.722131][ T4685]  gfs2_fill_super+0x128c/0x1fb0
[  324.727116][ T4685]  ? gfs2_reconfigure+0xd30/0xd30
[  324.732186][ T4685]  ? sb_set_blocksize+0xa5/0xe0
[  324.737074][ T4685]  get_tree_bdev+0x3f1/0x610
[  324.741696][ T4685]  ? gfs2_reconfigure+0xd30/0xd30
[  324.746746][ T4685]  gfs2_get_tree+0x4d/0x1e0
[  324.751366][ T4685]  vfs_get_tree+0x88/0x270
[  324.755813][ T4685]  do_new_mount+0x24a/0xa40
[  324.760349][ T4685]  __se_sys_mount+0x2e3/0x3d0
[  324.765059][ T4685]  ? __x64_sys_mount+0xc0/0xc0
[  324.769860][ T4685]  ? lockdep_hardirqs_on+0x94/0x140
[  324.775084][ T4685]  ? __x64_sys_mount+0x1c/0xc0
[  324.779874][ T4685]  do_syscall_64+0x4c/0xa0
[  324.784325][ T4685]  ? clear_bhb_loop+0x60/0xb0
[  324.789031][ T4685]  ? clear_bhb_loop+0x60/0xb0
[  324.793746][ T4685]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  324.799683][ T4685] RIP: 0033:0x7f360b99e04a
[  324.804122][ T4685] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  324.823761][ T4685] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  324.832212][ T4685] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  324.840219][ T4685] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  324.848218][ T4685] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  324.856215][ T4685] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  324.864219][ T4685] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  324.872259][ T4685]  </TASK>
[  324.879129][ T4685] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  324.895954][ T4685] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  325.250589][ T4686] loop1: detected capacity change from 0 to 32768
[  325.266729][ T4686] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  325.274399][ T4686] CPU: 1 PID: 4686 Comm: syz.1.220 Not tainted syzkaller #0
[  325.281753][ T4686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  325.291857][ T4686] Call Trace:
[  325.295193][ T4686]  <TASK>
[  325.298173][ T4686]  dump_stack_lvl+0x188/0x24e
[  325.302933][ T4686]  ? show_regs_print_info+0x12/0x12
[  325.308227][ T4686]  ? load_image+0x400/0x400
[  325.312811][ T4686]  sysfs_create_dir_ns+0x26a/0x290
[  325.317986][ T4686]  ? sysfs_warn_dup+0xa0/0xa0
[  325.322724][ T4686]  ? do_raw_spin_unlock+0x11d/0x230
[  325.327982][ T4686]  kobject_add_internal+0x61c/0xcc0
[  325.333245][ T4686]  kobject_init_and_add+0x128/0x190
[  325.338519][ T4686]  ? lockdep_softirqs_off+0x430/0x430
[  325.343950][ T4686]  ? kobject_add+0x230/0x230
[  325.348595][ T4686]  ? __init_swait_queue_head+0xa5/0x150
[  325.354201][ T4686]  gfs2_sys_fs_add+0x24f/0x4b0
[  325.359025][ T4686]  ? gfs2_recover_set+0x240/0x240
[  325.364107][ T4686]  ? snprintf+0xe5/0x140
[  325.368424][ T4686]  ? vscnprintf+0x80/0x80
[  325.372820][ T4686]  gfs2_fill_super+0x128c/0x1fb0
[  325.377871][ T4686]  ? gfs2_reconfigure+0xd30/0xd30
[  325.382955][ T4686]  ? sb_set_blocksize+0xa5/0xe0
[  325.387855][ T4686]  get_tree_bdev+0x3f1/0x610
[  325.392475][ T4686]  ? gfs2_reconfigure+0xd30/0xd30
[  325.397531][ T4686]  gfs2_get_tree+0x4d/0x1e0
[  325.402064][ T4686]  vfs_get_tree+0x88/0x270
[  325.406531][ T4686]  do_new_mount+0x24a/0xa40
[  325.411085][ T4686]  __se_sys_mount+0x2e3/0x3d0
[  325.415793][ T4686]  ? __x64_sys_mount+0xc0/0xc0
[  325.420614][ T4686]  ? lockdep_hardirqs_on+0x94/0x140
[  325.425925][ T4686]  ? __x64_sys_mount+0x1c/0xc0
[  325.430806][ T4686]  do_syscall_64+0x4c/0xa0
[  325.435271][ T4686]  ? clear_bhb_loop+0x60/0xb0
[  325.439986][ T4686]  ? clear_bhb_loop+0x60/0xb0
[  325.444709][ T4686]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  325.450645][ T4686] RIP: 0033:0x7f360b99e04a
[  325.455089][ T4686] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  325.474759][ T4686] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  325.483202][ T4686] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  325.491242][ T4686] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  325.499257][ T4686] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  325.507270][ T4686] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  325.515263][ T4686] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  325.523271][ T4686]  </TASK>
[  325.531530][ T4686] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  325.545485][ T4686] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  325.890758][ T4687] loop1: detected capacity change from 0 to 32768
[  325.910659][ T4687] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  325.918306][ T4687] CPU: 0 PID: 4687 Comm: syz.1.221 Not tainted syzkaller #0
[  325.925649][ T4687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  325.935760][ T4687] Call Trace:
[  325.939085][ T4687]  <TASK>
[  325.942078][ T4687]  dump_stack_lvl+0x188/0x24e
[  325.946830][ T4687]  ? show_regs_print_info+0x12/0x12
[  325.952090][ T4687]  ? load_image+0x400/0x400
[  325.956659][ T4687]  sysfs_create_dir_ns+0x26a/0x290
[  325.961831][ T4687]  ? sysfs_warn_dup+0xa0/0xa0
[  325.966570][ T4687]  ? do_raw_spin_unlock+0x11d/0x230
[  325.971827][ T4687]  kobject_add_internal+0x61c/0xcc0
[  325.977085][ T4687]  kobject_init_and_add+0x128/0x190
[  325.982348][ T4687]  ? lockdep_softirqs_off+0x430/0x430
[  325.987785][ T4687]  ? kobject_add+0x230/0x230
[  325.992472][ T4687]  ? __init_swait_queue_head+0xa5/0x150
[  325.998085][ T4687]  gfs2_sys_fs_add+0x24f/0x4b0
[  326.002916][ T4687]  ? gfs2_recover_set+0x240/0x240
[  326.008005][ T4687]  ? snprintf+0xe5/0x140
[  326.012312][ T4687]  ? vscnprintf+0x80/0x80
[  326.016709][ T4687]  gfs2_fill_super+0x128c/0x1fb0
[  326.021712][ T4687]  ? gfs2_reconfigure+0xd30/0xd30
[  326.026792][ T4687]  ? sb_set_blocksize+0xa5/0xe0
[  326.031698][ T4687]  get_tree_bdev+0x3f1/0x610
[  326.036338][ T4687]  ? gfs2_reconfigure+0xd30/0xd30
[  326.041418][ T4687]  gfs2_get_tree+0x4d/0x1e0
[  326.045976][ T4687]  vfs_get_tree+0x88/0x270
[  326.050442][ T4687]  do_new_mount+0x24a/0xa40
[  326.054996][ T4687]  __se_sys_mount+0x2e3/0x3d0
[  326.059725][ T4687]  ? __x64_sys_mount+0xc0/0xc0
[  326.064543][ T4687]  ? lockdep_hardirqs_on+0x94/0x140
[  326.069790][ T4687]  ? __x64_sys_mount+0x1c/0xc0
[  326.074608][ T4687]  do_syscall_64+0x4c/0xa0
[  326.079081][ T4687]  ? clear_bhb_loop+0x60/0xb0
[  326.083817][ T4687]  ? clear_bhb_loop+0x60/0xb0
[  326.088554][ T4687]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  326.094512][ T4687] RIP: 0033:0x7f360b99e04a
[  326.098972][ T4687] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  326.118720][ T4687] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  326.127187][ T4687] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  326.135284][ T4687] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  326.143349][ T4687] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  326.151463][ T4687] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  326.159493][ T4687] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  326.167536][ T4687]  </TASK>
[  326.175589][ T4687] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  326.189035][ T4687] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  326.550275][ T4688] loop1: detected capacity change from 0 to 32768
[  326.559636][ T4688] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  326.569509][ T4688] CPU: 0 PID: 4688 Comm: syz.1.222 Not tainted syzkaller #0
[  326.576865][ T4688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  326.586965][ T4688] Call Trace:
[  326.590287][ T4688]  <TASK>
[  326.593246][ T4688]  dump_stack_lvl+0x188/0x24e
[  326.597944][ T4688]  ? show_regs_print_info+0x12/0x12
[  326.603190][ T4688]  ? load_image+0x400/0x400
[  326.607759][ T4688]  sysfs_create_dir_ns+0x26a/0x290
[  326.612928][ T4688]  ? sysfs_warn_dup+0xa0/0xa0
[  326.617654][ T4688]  ? do_raw_spin_unlock+0x11d/0x230
[  326.622900][ T4688]  kobject_add_internal+0x61c/0xcc0
[  326.628155][ T4688]  kobject_init_and_add+0x128/0x190
[  326.633404][ T4688]  ? lockdep_softirqs_off+0x430/0x430
[  326.638851][ T4688]  ? kobject_add+0x230/0x230
[  326.643493][ T4688]  ? __init_swait_queue_head+0xa5/0x150
[  326.649102][ T4688]  gfs2_sys_fs_add+0x24f/0x4b0
[  326.653924][ T4688]  ? gfs2_recover_set+0x240/0x240
[  326.659013][ T4688]  ? snprintf+0xe5/0x140
[  326.663314][ T4688]  ? vscnprintf+0x80/0x80
[  326.667698][ T4688]  gfs2_fill_super+0x128c/0x1fb0
[  326.672719][ T4688]  ? gfs2_reconfigure+0xd30/0xd30
[  326.677811][ T4688]  ? sb_set_blocksize+0xa5/0xe0
[  326.682721][ T4688]  get_tree_bdev+0x3f1/0x610
[  326.687357][ T4688]  ? gfs2_reconfigure+0xd30/0xd30
[  326.692427][ T4688]  gfs2_get_tree+0x4d/0x1e0
[  326.696991][ T4688]  vfs_get_tree+0x88/0x270
[  326.701464][ T4688]  do_new_mount+0x24a/0xa40
[  326.706018][ T4688]  __se_sys_mount+0x2e3/0x3d0
[  326.710750][ T4688]  ? __x64_sys_mount+0xc0/0xc0
[  326.715570][ T4688]  ? lockdep_hardirqs_on+0x94/0x140
[  326.720815][ T4688]  ? __x64_sys_mount+0x1c/0xc0
[  326.720972][   T28] INFO: task kworker/1:11:4365 blocked for more than 143 seconds.
[  326.725600][ T4688]  do_syscall_64+0x4c/0xa0
[  326.737983][ T4688]  ? clear_bhb_loop+0x60/0xb0
[  326.742713][ T4688]  ? clear_bhb_loop+0x60/0xb0
[  326.747443][ T4688]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  326.750275][   T28]       Not tainted syzkaller #0
[  326.753370][ T4688] RIP: 0033:0x7f360b99e04a
[  326.758325][   T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  326.762774][ T4688] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  326.762795][ T4688] RSP: 002b:00007ffea7067b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  326.762821][ T4688] RAX: ffffffffffffffda RBX: 00007ffea7067c10 RCX: 00007f360b99e04a
[  326.762839][ T4688] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffea7067bd0
[  326.762855][ T4688] RBP: 0000200000021140 R08: 00007ffea7067c10 R09: 0000000000008000
[  326.762870][ T4688] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  326.762885][ T4688] R13: 00007ffea7067bd0 R14: 000000000002117d R15: 00002000000211c0
[  326.762916][ T4688]  </TASK>
[  326.765462][ T4688] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  326.856682][   T28] task:kworker/1:11    state:D stack:23632 pid:4365  ppid:2      flags:0x00004000
[  326.868406][   T28] Workqueue: gfs_recovery gfs2_recover_func
[  326.870428][ T4688] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  326.875429][   T28] Call Trace:
[  326.886742][   T28]  <TASK>
[  326.889736][   T28]  __schedule+0x11d1/0x40e0
[  326.894648][   T28]  ? lockdep_hardirqs_on_prepare+0x409/0x770
[  326.901573][   T28]  ? __sched_text_start+0x8/0x8
[  326.906485][   T28]  ? lock_chain_count+0x20/0x20
[  326.911725][   T28]  ? lockdep_hardirqs_on_prepare+0x409/0x770
[  326.917780][   T28]  ? _raw_spin_unlock_irq+0x1f/0x40
[  326.923367][   T28]  ? lockdep_hardirqs_on+0x94/0x140
[  326.928632][   T28]  schedule+0xb9/0x180
[  326.933109][   T28]  io_schedule+0x7c/0xd0
[  326.937423][   T28]  folio_wait_bit_common+0x70a/0xfa0
[  326.943101][   T28]  ? folio_wait_bit+0x30/0x30
[  326.947834][   T28]  ? migration_entry_wait_on_locked+0xe90/0xe90
[  326.954596][   T28]  ? __submit_bio+0x1a7/0x290
[  326.959367][   T28]  gfs2_jhead_process_page+0x17a/0x800
[  326.966349][   T28]  ? should_fail_request+0x70/0x70
[  326.971660][   T28]  ? gfs2_end_log_read+0x780/0x780
[  326.976918][   T28]  gfs2_find_jhead+0xba2/0xd00
[  326.982244][   T28]  gfs2_recover_func+0x6d2/0x1ca0
[  326.987368][   T28]  ? __get_log_header+0x4f0/0x4f0
[  326.992750][   T28]  ? __lock_acquire+0x13cf/0x7d10
[  326.997833][   T28]  ? verify_lock_unused+0x140/0x140
[  327.003429][   T28]  ? lockdep_hardirqs_on_prepare+0x409/0x770
[  327.009473][   T28]  ? _raw_spin_unlock+0x40/0x40
[  327.014775][   T28]  ? _raw_spin_unlock_irq+0x1f/0x40
[  327.020280][   T28]  ? process_one_work+0x7b0/0x1160
[  327.025442][   T28]  process_one_work+0x8a2/0x1160
[  327.031399][   T28]  ? worker_detach_from_pool+0x240/0x240
[  327.037116][   T28]  ? _raw_spin_lock_irq+0xb7/0xf0
[  327.042538][   T28]  ? _raw_spin_lock_irqsave+0x100/0x100
[  327.048156][   T28]  ? kthread_data+0x4b/0xc0
[  327.053348][   T28]  worker_thread+0xaa2/0x1270
[  327.058104][   T28]  ? __kthread_parkme+0x162/0x1c0
[  327.063596][   T28]  kthread+0x29d/0x330
[  327.067722][   T28]  ? worker_clr_flags+0x1a0/0x1a0
[  327.073983][   T28]  ? kthread_blkcg+0xd0/0xd0
[  327.078959][   T28]  ret_from_fork+0x1f/0x30
[  327.085975][   T28]  </TASK>
[  327.089124][   T28] INFO: task syz.0.17:4450 blocked for more than 143 seconds.
[  327.097131][   T28]       Not tainted syzkaller #0
[  327.103197][   T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  327.112261][   T28] task:syz.0.17        state:D stack:24784 pid:4450  ppid:4399   flags:0x00004004
[  327.130147][   T28] Call Trace:
[  327.133496][   T28]  <TASK>
[  327.136469][   T28]  __schedule+0x11d1/0x40e0
[  327.160027][   T28]  ? preempt_schedule+0xbc/0xd0
[  327.165001][   T28]  ? lock_chain_count+0x20/0x20
[  327.169909][   T28]  ? __sched_text_start+0x8/0x8
[  327.190116][   T28]  ? _raw_spin_unlock_irqrestore+0x10d/0x120
[  327.196205][   T28]  ? _raw_spin_unlock+0x40/0x40
[  327.201505][   T28]  schedule+0xb9/0x180
[  327.205638][   T28]  bit_wait+0xd/0xc0
[  327.209597][   T28]  __wait_on_bit+0xa8/0x2d0
[  327.230098][   T28]  ? out_of_line_wait_on_bit_lock+0x190/0x190
[  327.236375][   T28]  out_of_line_wait_on_bit+0x138/0x190
[  327.250023][   T28]  ? out_of_line_wait_on_bit_lock+0x190/0x190
[  327.256205][   T28]  ? __wait_on_bit+0x2d0/0x2d0
[  327.266224][   T28]  ? bit_waitqueue+0x30/0x30
[  327.279349][   T28]  ? do_raw_spin_unlock+0x11d/0x230
[  327.293334][   T28]  gfs2_recover_journal+0xd6/0x130
[  327.298558][   T28]  init_journal+0x17fc/0x23e0
[  327.310075][   T28]  ? init_inodes+0xdb/0x320
[  327.314719][   T28]  ? _compound_head+0x120/0x120
[  327.319645][   T28]  ? snprintf+0xe5/0x140
[  327.324400][   T28]  ? init_inodes+0xdb/0x320
[  327.328976][   T28]  ? vscnprintf+0x80/0x80
[  327.333716][   T28]  ? gfs2_glock_nq_num+0x17f/0x1c0
[  327.338990][   T28]  init_inodes+0xdb/0x320
[  327.343728][   T28]  gfs2_fill_super+0x1749/0x1fb0
[  327.348751][   T28]  ? gfs2_reconfigure+0xd30/0xd30
[  327.354207][   T28]  ? init_locking+0xb8/0x200
[  327.359095][   T28]  ? sb_set_blocksize+0xa5/0xe0
[  327.366115][   T28]  get_tree_bdev+0x3f1/0x610
[  327.371010][   T28]  ? gfs2_reconfigure+0xd30/0xd30
[  327.376354][   T28]  gfs2_get_tree+0x4d/0x1e0
[  327.381229][   T28]  vfs_get_tree+0x88/0x270
[  327.385714][   T28]  do_new_mount+0x24a/0xa40
[  327.390647][   T28]  __se_sys_mount+0x2e3/0x3d0
[  327.395387][   T28]  ? __x64_sys_mount+0xc0/0xc0
[  327.400510][   T28]  ? lockdep_hardirqs_on+0x94/0x140
[  327.405764][   T28]  ? __x64_sys_mount+0x1c/0xc0
[  327.410869][   T28]  do_syscall_64+0x4c/0xa0
[  327.415355][   T28]  ? clear_bhb_loop+0x60/0xb0
[  327.420443][   T28]  ? clear_bhb_loop+0x60/0xb0
[  327.425178][   T28]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  327.431437][   T28] RIP: 0033:0x7f3249f9e04a
[  327.435904][   T28] RSP: 002b:00007ffd645dd9e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  327.452292][   T28] RAX: ffffffffffffffda RBX: 00007ffd645dda70 RCX: 00007f3249f9e04a
[  327.460611][   T28] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ffd645dda30
[  327.468732][   T28] RBP: 0000200000021140 R08: 00007ffd645dda70 R09: 0000000000008000
[  327.477118][   T28] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[  327.485958][   T28] R13: 00007ffd645dda30 R14: 000000000002117d R15: 00002000000211c0
[  327.494281][   T28]  </TASK>
[  327.497436][   T28] 
[  327.497436][   T28] Showing all locks held in the system:
[  327.505607][   T28] 1 lock held by rcu_tasks_kthre/12:
[  327.511246][   T28]  #0: ffffffff8cb2df70 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x33/0xf00
[  327.522183][   T28] 1 lock held by rcu_tasks_trace/13:
[  327.527503][   T28]  #0: ffffffff8cb2e790 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x33/0xf00
[  327.538841][   T28] 1 lock held by khungtaskd/28:
[  327.544872][   T28]  #0: ffffffff8cb2d5e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290
[  327.555343][   T28] 2 locks held by getty/4029:
[  327.560340][   T28]  #0: ffff88814d837098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[  327.570482][   T28]  #1: ffffc9000327b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x429/0x1390
[  327.581195][   T28] 2 locks held by kworker/1:11/4365:
[  327.586525][   T28]  #0: ffff8881482c7938 ((wq_completion)gfs_recovery){+.+.}-{0:0}, at: process_one_work+0x7b0/0x1160
[  327.597869][   T28]  #1: ffffc900032b7d00 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x7b0/0x1160
[  327.609678][   T28] 3 locks held by kworker/u4:5/4371:
[  327.615266][   T28] 1 lock held by syz.0.17/4450:
[  327.620448][   T28]  #0: ffff8880794f80e0 (&type->s_umount_key#52/1){+.+.}-{3:3}, at: alloc_super+0x1fa/0x930
[  327.630964][   T28] 2 locks held by syz.1.223/4689:
[  327.636072][   T28] 
[  327.638436][   T28] =============================================
[  327.638436][   T28] 
[  327.647941][   T28] NMI backtrace for cpu 0
[  327.652308][   T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted syzkaller #0
[  327.659537][   T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  327.669625][   T28] Call Trace:
[  327.672951][   T28]  <TASK>
[  327.675901][   T28]  dump_stack_lvl+0x188/0x24e
[  327.680719][   T28]  ? irq_work_queue+0xb8/0x140
[  327.685615][   T28]  ? show_regs_print_info+0x12/0x12
[  327.690846][   T28]  ? load_image+0x400/0x400
[  327.695376][   T28]  ? vprintk_emit+0x59f/0x6a0
[  327.700095][   T28]  ? printk_sprint+0x460/0x460
[  327.704893][   T28]  nmi_cpu_backtrace+0x3e6/0x460
[  327.709873][   T28]  ? nmi_trigger_cpumask_backtrace+0x450/0x450
[  327.716058][   T28]  ? _printk+0xda/0x130
[  327.720236][   T28]  ? load_image+0x400/0x400
[  327.724769][   T28]  ? load_image+0x400/0x400
[  327.729331][   T28]  ? nmi_trigger_cpumask_backtrace+0xf3/0x450
[  327.735432][   T28]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  327.741526][   T28]  nmi_trigger_cpumask_backtrace+0x1d4/0x450
[  327.747574][   T28]  watchdog+0xeee/0xf30
[  327.751757][   T28]  ? watchdog+0x1ed/0xf30
[  327.756117][   T28]  kthread+0x29d/0x330
[  327.760227][   T28]  ? hungtask_pm_notify+0x40/0x40
[  327.765291][   T28]  ? kthread_blkcg+0xd0/0xd0
[  327.769992][   T28]  ret_from_fork+0x1f/0x30
[  327.774454][   T28]  </TASK>
[  327.777875][   T28] Sending NMI from CPU 0 to CPUs 1:
[  327.783427][    C1] NMI backtrace for cpu 1
[  327.783439][    C1] CPU: 1 PID: 11 Comm: kworker/u4:1 Not tainted syzkaller #0
[  327.783458][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  327.783470][    C1] Workqueue: bat_events batadv_nc_worker
[  327.783497][    C1] RIP: 0010:lock_release+0x2ce/0x920
[  327.783526][    C1] Code: 85 d3 04 00 00 45 89 2e 45 85 ff 49 bd 00 00 00 00 00 fc ff df 4c 8b 7c 24 18 0f 85 88 02 00 00 48 8b 44 24 40 42 0f b6 04 28 <84> c0 0f 85 80 04 00 00 48 8b 04 24 89 10 4c 89 e0 48 c1 e8 03 42
[  327.783544][    C1] RSP: 0018:ffffc90000107ac0 EFLAGS: 00000083
[  327.783559][    C1] RAX: 0000000000000000 RBX: 1ffff11027fd88da RCX: 0000000000000001
[  327.783572][    C1] RDX: 0000000000000002 RSI: ffffffff8cb2d5e0 RDI: ffff88813fec46b0
[  327.783585][    C1] RBP: ffffc90000107bd0 R08: ffffffff8e1ff3ef R09: 1ffffffff1c3fe7d
[  327.783600][    C1] R10: dffffc0000000000 R11: fffffbfff1c3fe7e R12: ffff88813fec46b0
[  327.783615][    C1] R13: dffffc0000000000 R14: ffff88813fec46d0 R15: 1ffff92000020f64
[  327.783630][    C1] FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
[  327.783647][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  327.783660][    C1] CR2: 00007f3603bfe000 CR3: 000000000c88e000 CR4: 00000000003506e0
[  327.783677][    C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  327.783689][    C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  327.783701][    C1] Call Trace:
[  327.783707][    C1]  <TASK>
[  327.783715][    C1]  ? batadv_nc_worker+0xce/0x600
[  327.783740][    C1]  ? __lock_acquire+0x7d10/0x7d10
[  327.783766][    C1]  ? lockdep_hardirqs_on_prepare+0x409/0x770
[  327.783795][    C1]  ? batadv_nc_worker+0xce/0x600
[  327.783817][    C1]  batadv_nc_worker+0x28d/0x600
[  327.783842][    C1]  ? process_one_work+0x7b0/0x1160
[  327.783863][    C1]  process_one_work+0x8a2/0x1160
[  327.783890][    C1]  ? worker_detach_from_pool+0x240/0x240
[  327.783933][    C1]  ? _raw_spin_lock_irq+0xb7/0xf0
[  327.783954][    C1]  ? _raw_spin_lock_irqsave+0x100/0x100
[  327.783975][    C1]  ? kthread_data+0x4b/0xc0
[  327.784003][    C1]  worker_thread+0xaa2/0x1270
[  327.784034][    C1]  kthread+0x29d/0x330
[  327.784049][    C1]  ? worker_clr_flags+0x1a0/0x1a0
[  327.784070][    C1]  ? kthread_blkcg+0xd0/0xd0
[  327.784087][    C1]  ret_from_fork+0x1f/0x30
[  327.784117][    C1]  </TASK>
[  327.800126][   T28] Kernel panic - not syncing: hung_task: blocked tasks
[  327.800188][   T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted syzkaller #0
[  327.800271][   T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  327.800316][   T28] Call Trace:
[  327.800344][   T28]  <TASK>
[  327.800367][   T28]  dump_stack_lvl+0x188/0x24e
[  327.800467][   T28]  ? memcpy+0x3c/0x60
[  327.800530][   T28]  ? show_regs_print_info+0x12/0x12
[  327.800618][   T28]  ? load_image+0x400/0x400
[  327.800715][   T28]  panic+0x2e5/0x730
[  327.800779][   T28]  ? schedule_preempt_disabled+0x20/0x20
[  327.800875][   T28]  ? bpf_jit_dump+0xd0/0xd0
[  327.800940][   T28]  ? __irq_work_queue_local+0x12c/0x190
[  327.801051][   T28]  ? nmi_trigger_cpumask_backtrace+0x35b/0x450
[  327.801146][   T28]  ? nmi_trigger_cpumask_backtrace+0x360/0x450
[  327.801242][   T28]  watchdog+0xf2d/0xf30
[  327.801321][   T28]  ? watchdog+0x1ed/0xf30
[  327.801405][   T28]  kthread+0x29d/0x330
[  327.801458][   T28]  ? hungtask_pm_notify+0x40/0x40
[  327.801531][   T28]  ? kthread_blkcg+0xd0/0xd0
[  327.801595][   T28]  ret_from_fork+0x1f/0x30
[  327.801702][   T28]  </TASK>
[  327.802448][   T28] Kernel Offset: disabled
[  328.131336][   T28] Rebooting in 86400 seconds..