][ T5435] Call Trace:
[  226.198036][ T5435]  <TASK>
[  226.200972][ T5435]  dump_stack_lvl+0x168/0x230
[  226.205841][ T5435]  ? show_regs_print_info+0x20/0x20
[  226.211099][ T5435]  ? load_image+0x3b0/0x3b0
[  226.215634][ T5435]  sysfs_create_dir_ns+0x252/0x280
[  226.220775][ T5435]  ? __lock_acquire+0x7c60/0x7c60
[  226.225817][ T5435]  ? sysfs_warn_dup+0xa0/0xa0
[  226.230509][ T5435]  ? do_raw_spin_unlock+0x11d/0x230
[  226.235723][ T5435]  kobject_add_internal+0x662/0xd00
[  226.241027][ T5435]  kobject_init_and_add+0x122/0x190
[  226.246245][ T5435]  ? lockdep_softirqs_off+0x420/0x420
[  226.251696][ T5435]  ? kobject_add+0x210/0x210
[  226.256365][ T5435]  ? __init_swait_queue_head+0xa5/0x150
[  226.261909][ T5435]  gfs2_sys_fs_add+0x234/0x480
[  226.266661][ T5435]  ? gfs2_recover_set+0x240/0x240
[  226.271671][ T5435]  ? snprintf+0xd7/0x120
[  226.275988][ T5435]  ? __free_pages+0x95/0x1a0
[  226.280560][ T5435]  ? vscnprintf+0x80/0x80
[  226.284908][ T5435]  gfs2_fill_super+0x128d/0x1f50
[  226.289842][ T5435]  ? gfs2_reconfigure+0xcd0/0xcd0
[  226.295117][ T5435]  ? preempt_count_add+0x8d/0x190
[  226.300156][ T5435]  ? sb_set_blocksize+0xa5/0xe0
[  226.305004][ T5435]  get_tree_bdev+0x3f1/0x610
[  226.309595][ T5435]  ? gfs2_reconfigure+0xcd0/0xcd0
[  226.314614][ T5435]  gfs2_get_tree+0x4d/0x1e0
[  226.319107][ T5435]  vfs_get_tree+0x88/0x270
[  226.323541][ T5435]  do_new_mount+0x24a/0xa40
[  226.328039][ T5435]  __se_sys_mount+0x2d6/0x3c0
[  226.333090][ T5435]  ? __x64_sys_mount+0xc0/0xc0
[  226.337855][ T5435]  ? lockdep_hardirqs_on+0x94/0x140
[  226.343065][ T5435]  ? __x64_sys_mount+0x1c/0xc0
[  226.347823][ T5435]  do_syscall_64+0x4c/0xa0
[  226.352236][ T5435]  ? clear_bhb_loop+0x30/0x80
[  226.356896][ T5435]  ? clear_bhb_loop+0x30/0x80
[  226.361576][ T5435]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  226.367657][ T5435] RIP: 0033:0x7fbae782f76a
[  226.372109][ T5435] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  226.391704][ T5435] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.400182][ T5435] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  226.408145][ T5435] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  226.416269][ T5435] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  226.424224][ T5435] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  226.432190][ T5435] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  226.440194][ T5435]  </TASK>
[  226.444314][ T5435] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.457757][ T5435] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  226.790586][ T5437] loop1: detected capacity change from 0 to 32768
[  226.880543][ T5437] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.889996][ T5437] CPU: 1 PID: 5437 Comm: syz.1.172 Not tainted syzkaller #0
[  226.897402][ T5437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  226.907561][ T5437] Call Trace:
[  226.910950][ T5437]  <TASK>
[  226.913900][ T5437]  dump_stack_lvl+0x168/0x230
[  226.918679][ T5437]  ? show_regs_print_info+0x20/0x20
[  226.923884][ T5437]  ? load_image+0x3b0/0x3b0
[  226.928575][ T5437]  sysfs_create_dir_ns+0x252/0x280
[  226.933685][ T5437]  ? __lock_acquire+0x7c60/0x7c60
[  226.938696][ T5437]  ? sysfs_warn_dup+0xa0/0xa0
[  226.943359][ T5437]  ? do_raw_spin_unlock+0x11d/0x230
[  226.948565][ T5437]  kobject_add_internal+0x662/0xd00
[  226.953799][ T5437]  kobject_init_and_add+0x122/0x190
[  226.958993][ T5437]  ? lockdep_softirqs_off+0x420/0x420
[  226.964464][ T5437]  ? kobject_add+0x210/0x210
[  226.969051][ T5437]  ? __init_swait_queue_head+0xa5/0x150
[  226.974592][ T5437]  gfs2_sys_fs_add+0x234/0x480
[  226.979382][ T5437]  ? gfs2_recover_set+0x240/0x240
[  226.984402][ T5437]  ? snprintf+0xd7/0x120
[  226.988647][ T5437]  ? __free_pages+0x95/0x1a0
[  226.993229][ T5437]  ? vscnprintf+0x80/0x80
[  226.997755][ T5437]  gfs2_fill_super+0x128d/0x1f50
[  227.002723][ T5437]  ? gfs2_reconfigure+0xcd0/0xcd0
[  227.007754][ T5437]  ? preempt_count_add+0x8d/0x190
[  227.012872][ T5437]  ? sb_set_blocksize+0xa5/0xe0
[  227.017796][ T5437]  get_tree_bdev+0x3f1/0x610
[  227.022373][ T5437]  ? gfs2_reconfigure+0xcd0/0xcd0
[  227.027498][ T5437]  gfs2_get_tree+0x4d/0x1e0
[  227.032425][ T5437]  vfs_get_tree+0x88/0x270
[  227.036855][ T5437]  do_new_mount+0x24a/0xa40
[  227.041356][ T5437]  __se_sys_mount+0x2d6/0x3c0
[  227.046050][ T5437]  ? __x64_sys_mount+0xc0/0xc0
[  227.051070][ T5437]  ? lockdep_hardirqs_on+0x94/0x140
[  227.056267][ T5437]  ? __x64_sys_mount+0x1c/0xc0
[  227.061109][ T5437]  do_syscall_64+0x4c/0xa0
[  227.065520][ T5437]  ? clear_bhb_loop+0x30/0x80
[  227.070261][ T5437]  ? clear_bhb_loop+0x30/0x80
[  227.074913][ T5437]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  227.080877][ T5437] RIP: 0033:0x7fbae782f76a
[  227.085274][ T5437] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  227.105328][ T5437] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.113744][ T5437] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  227.121722][ T5437] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  227.129779][ T5437] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  227.137882][ T5437] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  227.145918][ T5437] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  227.154091][ T5437]  </TASK>
[  227.158335][ T5437] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.171695][ T5437] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  227.188031][    T7] Bluetooth: hci0: command 0x0406 tx timeout
[  227.501421][ T5439] loop1: detected capacity change from 0 to 32768
[  227.556358][ T5439] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  227.563886][ T5439] CPU: 1 PID: 5439 Comm: syz.1.173 Not tainted syzkaller #0
[  227.571286][ T5439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  227.581445][ T5439] Call Trace:
[  227.584784][ T5439]  <TASK>
[  227.587723][ T5439]  dump_stack_lvl+0x168/0x230
[  227.592418][ T5439]  ? show_regs_print_info+0x20/0x20
[  227.597636][ T5439]  ? load_image+0x3b0/0x3b0
[  227.602164][ T5439]  sysfs_create_dir_ns+0x252/0x280
[  227.607308][ T5439]  ? __lock_acquire+0x7c60/0x7c60
[  227.612359][ T5439]  ? sysfs_warn_dup+0xa0/0xa0
[  227.617150][ T5439]  ? do_raw_spin_unlock+0x11d/0x230
[  227.622368][ T5439]  kobject_add_internal+0x662/0xd00
[  227.627591][ T5439]  kobject_init_and_add+0x122/0x190
[  227.632799][ T5439]  ? lockdep_softirqs_off+0x420/0x420
[  227.638184][ T5439]  ? kobject_add+0x210/0x210
[  227.642904][ T5439]  ? __init_swait_queue_head+0xa5/0x150
[  227.648460][ T5439]  gfs2_sys_fs_add+0x234/0x480
[  227.653227][ T5439]  ? gfs2_recover_set+0x240/0x240
[  227.658244][ T5439]  ? snprintf+0xd7/0x120
[  227.662559][ T5439]  ? __free_pages+0x95/0x1a0
[  227.667231][ T5439]  ? vscnprintf+0x80/0x80
[  227.671577][ T5439]  gfs2_fill_super+0x128d/0x1f50
[  227.676611][ T5439]  ? gfs2_reconfigure+0xcd0/0xcd0
[  227.681652][ T5439]  ? preempt_count_add+0x8d/0x190
[  227.686666][ T5439]  ? sb_set_blocksize+0xa5/0xe0
[  227.691540][ T5439]  get_tree_bdev+0x3f1/0x610
[  227.696137][ T5439]  ? gfs2_reconfigure+0xcd0/0xcd0
[  227.701161][ T5439]  gfs2_get_tree+0x4d/0x1e0
[  227.705745][ T5439]  vfs_get_tree+0x88/0x270
[  227.710300][ T5439]  do_new_mount+0x24a/0xa40
[  227.714817][ T5439]  __se_sys_mount+0x2d6/0x3c0
[  227.719682][ T5439]  ? __x64_sys_mount+0xc0/0xc0
[  227.724488][ T5439]  ? lockdep_hardirqs_on+0x94/0x140
[  227.729760][ T5439]  ? __x64_sys_mount+0x1c/0xc0
[  227.734541][ T5439]  do_syscall_64+0x4c/0xa0
[  227.739007][ T5439]  ? clear_bhb_loop+0x30/0x80
[  227.743663][ T5439]  ? clear_bhb_loop+0x30/0x80
[  227.748323][ T5439]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  227.754202][ T5439] RIP: 0033:0x7fbae782f76a
[  227.758605][ T5439] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  227.778399][ T5439] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.786798][ T5439] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  227.794859][ T5439] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  227.802816][ T5439] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  227.810778][ T5439] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  227.818740][ T5439] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  227.826895][ T5439]  </TASK>
[  227.831194][ T5439] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.844616][ T5439] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  228.157020][ T5441] loop1: detected capacity change from 0 to 32768
[  228.206147][ T5441] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.213878][ T5441] CPU: 1 PID: 5441 Comm: syz.1.174 Not tainted syzkaller #0
[  228.221183][ T5441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  228.231255][ T5441] Call Trace:
[  228.234549][ T5441]  <TASK>
[  228.237584][ T5441]  dump_stack_lvl+0x168/0x230
[  228.242278][ T5441]  ? show_regs_print_info+0x20/0x20
[  228.247510][ T5441]  ? load_image+0x3b0/0x3b0
[  228.252040][ T5441]  sysfs_create_dir_ns+0x252/0x280
[  228.257267][ T5441]  ? __lock_acquire+0x7c60/0x7c60
[  228.262315][ T5441]  ? sysfs_warn_dup+0xa0/0xa0
[  228.267024][ T5441]  ? do_raw_spin_unlock+0x11d/0x230
[  228.272246][ T5441]  kobject_add_internal+0x662/0xd00
[  228.277471][ T5441]  kobject_init_and_add+0x122/0x190
[  228.282680][ T5441]  ? lockdep_softirqs_off+0x420/0x420
[  228.288167][ T5441]  ? kobject_add+0x210/0x210
[  228.292856][ T5441]  ? __init_swait_queue_head+0xa5/0x150
[  228.298703][ T5441]  gfs2_sys_fs_add+0x234/0x480
[  228.303463][ T5441]  ? gfs2_recover_set+0x240/0x240
[  228.308469][ T5441]  ? snprintf+0xd7/0x120
[  228.312694][ T5441]  ? __free_pages+0x95/0x1a0
[  228.317264][ T5441]  ? vscnprintf+0x80/0x80
[  228.321687][ T5441]  gfs2_fill_super+0x128d/0x1f50
[  228.326711][ T5441]  ? gfs2_reconfigure+0xcd0/0xcd0
[  228.331728][ T5441]  ? preempt_count_add+0x8d/0x190
[  228.336763][ T5441]  ? sb_set_blocksize+0xa5/0xe0
[  228.341602][ T5441]  get_tree_bdev+0x3f1/0x610
[  228.346186][ T5441]  ? gfs2_reconfigure+0xcd0/0xcd0
[  228.351210][ T5441]  gfs2_get_tree+0x4d/0x1e0
[  228.355714][ T5441]  vfs_get_tree+0x88/0x270
[  228.360334][ T5441]  do_new_mount+0x24a/0xa40
[  228.364848][ T5441]  __se_sys_mount+0x2d6/0x3c0
[  228.369636][ T5441]  ? __x64_sys_mount+0xc0/0xc0
[  228.374543][ T5441]  ? lockdep_hardirqs_on+0x94/0x140
[  228.379738][ T5441]  ? __x64_sys_mount+0x1c/0xc0
[  228.384529][ T5441]  do_syscall_64+0x4c/0xa0
[  228.388973][ T5441]  ? clear_bhb_loop+0x30/0x80
[  228.393790][ T5441]  ? clear_bhb_loop+0x30/0x80
[  228.398468][ T5441]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  228.404436][ T5441] RIP: 0033:0x7fbae782f76a
[  228.408932][ T5441] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  228.428791][ T5441] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  228.437288][ T5441] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  228.445378][ T5441] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  228.453348][ T5441] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  228.461321][ T5441] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  228.469374][ T5441] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  228.477358][ T5441]  </TASK>
[  228.482012][ T5441] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  228.495455][ T5441] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  228.841631][ T5443] loop1: detected capacity change from 0 to 32768
[  228.890372][ T5443] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.899522][ T5443] CPU: 1 PID: 5443 Comm: syz.1.175 Not tainted syzkaller #0
[  228.906849][ T5443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  228.916933][ T5443] Call Trace:
[  228.920228][ T5443]  <TASK>
[  228.923273][ T5443]  dump_stack_lvl+0x168/0x230
[  228.927986][ T5443]  ? show_regs_print_info+0x20/0x20
[  228.933286][ T5443]  ? load_image+0x3b0/0x3b0
[  228.937810][ T5443]  sysfs_create_dir_ns+0x252/0x280
[  228.943209][ T5443]  ? __lock_acquire+0x7c60/0x7c60
[  228.948345][ T5443]  ? sysfs_warn_dup+0xa0/0xa0
[  228.953166][ T5443]  ? do_raw_spin_unlock+0x11d/0x230
[  228.958537][ T5443]  kobject_add_internal+0x662/0xd00
[  228.963837][ T5443]  kobject_init_and_add+0x122/0x190
[  228.969042][ T5443]  ? lockdep_softirqs_off+0x420/0x420
[  228.974431][ T5443]  ? kobject_add+0x210/0x210
[  228.979214][ T5443]  ? __init_swait_queue_head+0xa5/0x150
[  228.984860][ T5443]  gfs2_sys_fs_add+0x234/0x480
[  228.989746][ T5443]  ? gfs2_recover_set+0x240/0x240
[  228.994766][ T5443]  ? snprintf+0xd7/0x120
[  228.998997][ T5443]  ? __free_pages+0x95/0x1a0
[  229.003617][ T5443]  ? vscnprintf+0x80/0x80
[  229.007969][ T5443]  gfs2_fill_super+0x128d/0x1f50
[  229.012938][ T5443]  ? gfs2_reconfigure+0xcd0/0xcd0
[  229.017951][ T5443]  ? preempt_count_add+0x8d/0x190
[  229.022988][ T5443]  ? sb_set_blocksize+0xa5/0xe0
[  229.027859][ T5443]  get_tree_bdev+0x3f1/0x610
[  229.032550][ T5443]  ? gfs2_reconfigure+0xcd0/0xcd0
[  229.037786][ T5443]  gfs2_get_tree+0x4d/0x1e0
[  229.042304][ T5443]  vfs_get_tree+0x88/0x270
[  229.046884][ T5443]  do_new_mount+0x24a/0xa40
[  229.051375][ T5443]  __se_sys_mount+0x2d6/0x3c0
[  229.056072][ T5443]  ? __x64_sys_mount+0xc0/0xc0
[  229.060825][ T5443]  ? lockdep_hardirqs_on+0x94/0x140
[  229.066031][ T5443]  ? __x64_sys_mount+0x1c/0xc0
[  229.070821][ T5443]  do_syscall_64+0x4c/0xa0
[  229.075247][ T5443]  ? clear_bhb_loop+0x30/0x80
[  229.079931][ T5443]  ? clear_bhb_loop+0x30/0x80
[  229.084613][ T5443]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  229.090510][ T5443] RIP: 0033:0x7fbae782f76a
[  229.094914][ T5443] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  229.114507][ T5443] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.122918][ T5443] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  229.130890][ T5443] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  229.139039][ T5443] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  229.147042][ T5443] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  229.155244][ T5443] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  229.163254][ T5443]  </TASK>
[  229.167378][ T5443] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.180656][ T5443] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  229.536919][ T5445] loop1: detected capacity change from 0 to 32768
[  229.642004][ T5445] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  229.649567][ T5445] CPU: 1 PID: 5445 Comm: syz.1.176 Not tainted syzkaller #0
[  229.656958][ T5445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  229.667054][ T5445] Call Trace:
[  229.670347][ T5445]  <TASK>
[  229.673295][ T5445]  dump_stack_lvl+0x168/0x230
[  229.678250][ T5445]  ? show_regs_print_info+0x20/0x20
[  229.683491][ T5445]  ? load_image+0x3b0/0x3b0
[  229.688019][ T5445]  sysfs_create_dir_ns+0x252/0x280
[  229.693256][ T5445]  ? __lock_acquire+0x7c60/0x7c60
[  229.698278][ T5445]  ? sysfs_warn_dup+0xa0/0xa0
[  229.702960][ T5445]  ? do_raw_spin_unlock+0x11d/0x230
[  229.708153][ T5445]  kobject_add_internal+0x662/0xd00
[  229.713368][ T5445]  kobject_init_and_add+0x122/0x190
[  229.718555][ T5445]  ? lockdep_softirqs_off+0x420/0x420
[  229.723920][ T5445]  ? kobject_add+0x210/0x210
[  229.728498][ T5445]  ? __init_swait_queue_head+0xa5/0x150
[  229.734154][ T5445]  gfs2_sys_fs_add+0x234/0x480
[  229.739025][ T5445]  ? gfs2_recover_set+0x240/0x240
[  229.744036][ T5445]  ? snprintf+0xd7/0x120
[  229.748261][ T5445]  ? __free_pages+0x95/0x1a0
[  229.752855][ T5445]  ? vscnprintf+0x80/0x80
[  229.757277][ T5445]  gfs2_fill_super+0x128d/0x1f50
[  229.762310][ T5445]  ? gfs2_reconfigure+0xcd0/0xcd0
[  229.767335][ T5445]  ? preempt_count_add+0x8d/0x190
[  229.772450][ T5445]  ? sb_set_blocksize+0xa5/0xe0
[  229.777302][ T5445]  get_tree_bdev+0x3f1/0x610
[  229.781893][ T5445]  ? gfs2_reconfigure+0xcd0/0xcd0
[  229.786936][ T5445]  gfs2_get_tree+0x4d/0x1e0
[  229.791600][ T5445]  vfs_get_tree+0x88/0x270
[  229.796021][ T5445]  do_new_mount+0x24a/0xa40
[  229.800526][ T5445]  __se_sys_mount+0x2d6/0x3c0
[  229.805355][ T5445]  ? __x64_sys_mount+0xc0/0xc0
[  229.810216][ T5445]  ? lockdep_hardirqs_on+0x94/0x140
[  229.815435][ T5445]  ? __x64_sys_mount+0x1c/0xc0
[  229.820193][ T5445]  do_syscall_64+0x4c/0xa0
[  229.824686][ T5445]  ? clear_bhb_loop+0x30/0x80
[  229.829454][ T5445]  ? clear_bhb_loop+0x30/0x80
[  229.834115][ T5445]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  229.840018][ T5445] RIP: 0033:0x7fbae782f76a
[  229.844424][ T5445] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  229.864320][ T5445] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.872890][ T5445] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  229.880858][ T5445] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  229.888881][ T5445] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  229.896846][ T5445] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  229.904810][ T5445] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  229.912783][ T5445]  </TASK>
[  229.917120][ T5445] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.930574][ T5445] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  230.255695][ T5447] loop1: detected capacity change from 0 to 32768
[  230.302455][ T5447] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  230.316864][ T5447] CPU: 0 PID: 5447 Comm: syz.1.177 Not tainted syzkaller #0
[  230.324544][ T5447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  230.334621][ T5447] Call Trace:
[  230.338181][ T5447]  <TASK>
[  230.341137][ T5447]  dump_stack_lvl+0x168/0x230
[  230.345830][ T5447]  ? show_regs_print_info+0x20/0x20
[  230.351042][ T5447]  ? load_image+0x3b0/0x3b0
[  230.355574][ T5447]  sysfs_create_dir_ns+0x252/0x280
[  230.360714][ T5447]  ? __lock_acquire+0x7c60/0x7c60
[  230.365757][ T5447]  ? sysfs_warn_dup+0xa0/0xa0
[  230.370468][ T5447]  ? do_raw_spin_unlock+0x11d/0x230
[  230.375776][ T5447]  kobject_add_internal+0x662/0xd00
[  230.381003][ T5447]  kobject_init_and_add+0x122/0x190
[  230.386223][ T5447]  ? lockdep_softirqs_off+0x420/0x420
[  230.391791][ T5447]  ? kobject_add+0x210/0x210
[  230.396373][ T5447]  ? __init_swait_queue_head+0xa5/0x150
[  230.401996][ T5447]  gfs2_sys_fs_add+0x234/0x480
[  230.406769][ T5447]  ? gfs2_recover_set+0x240/0x240
[  230.411983][ T5447]  ? snprintf+0xd7/0x120
[  230.416227][ T5447]  ? __free_pages+0x95/0x1a0
[  230.420831][ T5447]  ? vscnprintf+0x80/0x80
[  230.425426][ T5447]  gfs2_fill_super+0x128d/0x1f50
[  230.430384][ T5447]  ? gfs2_reconfigure+0xcd0/0xcd0
[  230.435417][ T5447]  ? preempt_count_add+0x8d/0x190
[  230.440459][ T5447]  ? sb_set_blocksize+0xa5/0xe0
[  230.445320][ T5447]  get_tree_bdev+0x3f1/0x610
[  230.449906][ T5447]  ? gfs2_reconfigure+0xcd0/0xcd0
[  230.455029][ T5447]  gfs2_get_tree+0x4d/0x1e0
[  230.459676][ T5447]  vfs_get_tree+0x88/0x270
[  230.464193][ T5447]  do_new_mount+0x24a/0xa40
[  230.468706][ T5447]  __se_sys_mount+0x2d6/0x3c0
[  230.473486][ T5447]  ? __x64_sys_mount+0xc0/0xc0
[  230.478254][ T5447]  ? lockdep_hardirqs_on+0x94/0x140
[  230.483525][ T5447]  ? __x64_sys_mount+0x1c/0xc0
[  230.488489][ T5447]  do_syscall_64+0x4c/0xa0
[  230.493044][ T5447]  ? clear_bhb_loop+0x30/0x80
[  230.497717][ T5447]  ? clear_bhb_loop+0x30/0x80
[  230.502425][ T5447]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  230.508320][ T5447] RIP: 0033:0x7fbae782f76a
[  230.512740][ T5447] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  230.532599][ T5447] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.541007][ T5447] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  230.548978][ T5447] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  230.557041][ T5447] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  230.565088][ T5447] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  230.573045][ T5447] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  230.581131][ T5447]  </TASK>
[  230.585552][ T5447] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  230.598974][ T5447] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  230.894171][ T5449] loop1: detected capacity change from 0 to 32768
[  230.947341][ T5449] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  230.954964][ T5449] CPU: 1 PID: 5449 Comm: syz.1.178 Not tainted syzkaller #0
[  230.962420][ T5449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  230.972486][ T5449] Call Trace:
[  230.975815][ T5449]  <TASK>
[  230.978800][ T5449]  dump_stack_lvl+0x168/0x230
[  230.983506][ T5449]  ? show_regs_print_info+0x20/0x20
[  230.988730][ T5449]  ? load_image+0x3b0/0x3b0
[  230.993392][ T5449]  sysfs_create_dir_ns+0x252/0x280
[  230.998623][ T5449]  ? __lock_acquire+0x7c60/0x7c60
[  231.004194][ T5449]  ? sysfs_warn_dup+0xa0/0xa0
[  231.009019][ T5449]  ? do_raw_spin_unlock+0x11d/0x230
[  231.014411][ T5449]  kobject_add_internal+0x662/0xd00
[  231.019634][ T5449]  kobject_init_and_add+0x122/0x190
[  231.024850][ T5449]  ? lockdep_softirqs_off+0x420/0x420
[  231.030340][ T5449]  ? kobject_add+0x210/0x210
[  231.035129][ T5449]  ? __init_swait_queue_head+0xa5/0x150
[  231.040774][ T5449]  gfs2_sys_fs_add+0x234/0x480
[  231.045536][ T5449]  ? gfs2_recover_set+0x240/0x240
[  231.050641][ T5449]  ? snprintf+0xd7/0x120
[  231.054928][ T5449]  ? __free_pages+0x95/0x1a0
[  231.059602][ T5449]  ? vscnprintf+0x80/0x80
[  231.063968][ T5449]  gfs2_fill_super+0x128d/0x1f50
[  231.068929][ T5449]  ? gfs2_reconfigure+0xcd0/0xcd0
[  231.074056][ T5449]  ? preempt_count_add+0x8d/0x190
[  231.079077][ T5449]  ? sb_set_blocksize+0xa5/0xe0
[  231.084006][ T5449]  get_tree_bdev+0x3f1/0x610
[  231.088581][ T5449]  ? gfs2_reconfigure+0xcd0/0xcd0
[  231.093682][ T5449]  gfs2_get_tree+0x4d/0x1e0
[  231.098192][ T5449]  vfs_get_tree+0x88/0x270
[  231.102609][ T5449]  do_new_mount+0x24a/0xa40
[  231.107211][ T5449]  __se_sys_mount+0x2d6/0x3c0
[  231.111931][ T5449]  ? __x64_sys_mount+0xc0/0xc0
[  231.116719][ T5449]  ? lockdep_hardirqs_on+0x94/0x140
[  231.122004][ T5449]  ? __x64_sys_mount+0x1c/0xc0
[  231.126797][ T5449]  do_syscall_64+0x4c/0xa0
[  231.131201][ T5449]  ? clear_bhb_loop+0x30/0x80
[  231.135865][ T5449]  ? clear_bhb_loop+0x30/0x80
[  231.140551][ T5449]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  231.146532][ T5449] RIP: 0033:0x7fbae782f76a
[  231.150939][ T5449] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  231.171127][ T5449] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.179835][ T5449] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  231.187808][ T5449] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  231.195772][ T5449] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  231.203830][ T5449] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  231.211797][ T5449] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  231.219795][ T5449]  </TASK>
[  231.224016][ T5449] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.237454][ T5449] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/22 06:11:14 executed programs: 164
[  231.556451][ T5451] loop1: detected capacity change from 0 to 32768
[  231.600367][ T5451] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  231.610930][ T5451] CPU: 1 PID: 5451 Comm: syz.1.179 Not tainted syzkaller #0
[  231.618360][ T5451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  231.628421][ T5451] Call Trace:
[  231.631710][ T5451]  <TASK>
[  231.634651][ T5451]  dump_stack_lvl+0x168/0x230
[  231.639444][ T5451]  ? show_regs_print_info+0x20/0x20
[  231.644672][ T5451]  ? load_image+0x3b0/0x3b0
[  231.649198][ T5451]  sysfs_create_dir_ns+0x252/0x280
[  231.654337][ T5451]  ? __lock_acquire+0x7c60/0x7c60
[  231.659465][ T5451]  ? sysfs_warn_dup+0xa0/0xa0
[  231.664182][ T5451]  ? do_raw_spin_unlock+0x11d/0x230
[  231.669406][ T5451]  kobject_add_internal+0x662/0xd00
[  231.674804][ T5451]  kobject_init_and_add+0x122/0x190
[  231.680028][ T5451]  ? lockdep_softirqs_off+0x420/0x420
[  231.685689][ T5451]  ? kobject_add+0x210/0x210
[  231.690296][ T5451]  ? __init_swait_queue_head+0xa5/0x150
[  231.695859][ T5451]  gfs2_sys_fs_add+0x234/0x480
[  231.700627][ T5451]  ? gfs2_recover_set+0x240/0x240
[  231.705866][ T5451]  ? snprintf+0xd7/0x120
[  231.710121][ T5451]  ? __free_pages+0x95/0x1a0
[  231.714723][ T5451]  ? vscnprintf+0x80/0x80
[  231.719047][ T5451]  gfs2_fill_super+0x128d/0x1f50
[  231.723989][ T5451]  ? gfs2_reconfigure+0xcd0/0xcd0
[  231.729021][ T5451]  ? preempt_count_add+0x8d/0x190
[  231.734077][ T5451]  ? sb_set_blocksize+0xa5/0xe0
[  231.738918][ T5451]  get_tree_bdev+0x3f1/0x610
[  231.743532][ T5451]  ? gfs2_reconfigure+0xcd0/0xcd0
[  231.748539][ T5451]  gfs2_get_tree+0x4d/0x1e0
[  231.753022][ T5451]  vfs_get_tree+0x88/0x270
[  231.757470][ T5451]  do_new_mount+0x24a/0xa40
[  231.761993][ T5451]  __se_sys_mount+0x2d6/0x3c0
[  231.766659][ T5451]  ? __x64_sys_mount+0xc0/0xc0
[  231.771555][ T5451]  ? lockdep_hardirqs_on+0x94/0x140
[  231.776738][ T5451]  ? __x64_sys_mount+0x1c/0xc0
[  231.781576][ T5451]  do_syscall_64+0x4c/0xa0
[  231.785997][ T5451]  ? clear_bhb_loop+0x30/0x80
[  231.790661][ T5451]  ? clear_bhb_loop+0x30/0x80
[  231.795413][ T5451]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  231.801373][ T5451] RIP: 0033:0x7fbae782f76a
[  231.805771][ T5451] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  231.825356][ T5451] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.833843][ T5451] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  231.841815][ T5451] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  231.849778][ T5451] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  231.857843][ T5451] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  231.865830][ T5451] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  231.874063][ T5451]  </TASK>
[  231.878433][ T5451] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.891788][ T5451] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  232.236041][ T5453] loop1: detected capacity change from 0 to 32768
[  232.256667][ T5453] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  232.264286][ T5453] CPU: 1 PID: 5453 Comm: syz.1.180 Not tainted syzkaller #0
[  232.271741][ T5453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  232.282068][ T5453] Call Trace:
[  232.285448][ T5453]  <TASK>
[  232.288377][ T5453]  dump_stack_lvl+0x168/0x230
[  232.293069][ T5453]  ? show_regs_print_info+0x20/0x20
[  232.298284][ T5453]  ? load_image+0x3b0/0x3b0
[  232.302879][ T5453]  sysfs_create_dir_ns+0x252/0x280
[  232.307993][ T5453]  ? __lock_acquire+0x7c60/0x7c60
[  232.313023][ T5453]  ? sysfs_warn_dup+0xa0/0xa0
[  232.317733][ T5453]  ? do_raw_spin_unlock+0x11d/0x230
[  232.322936][ T5453]  kobject_add_internal+0x662/0xd00
[  232.328128][ T5453]  kobject_init_and_add+0x122/0x190
[  232.333486][ T5453]  ? lockdep_softirqs_off+0x420/0x420
[  232.339021][ T5453]  ? kobject_add+0x210/0x210
[  232.343610][ T5453]  ? __init_swait_queue_head+0xa5/0x150
[  232.349238][ T5453]  gfs2_sys_fs_add+0x234/0x480
[  232.353984][ T5453]  ? gfs2_recover_set+0x240/0x240
[  232.359028][ T5453]  ? snprintf+0xd7/0x120
[  232.363384][ T5453]  ? __free_pages+0x95/0x1a0
[  232.368059][ T5453]  ? vscnprintf+0x80/0x80
[  232.372395][ T5453]  gfs2_fill_super+0x128d/0x1f50
[  232.377332][ T5453]  ? gfs2_reconfigure+0xcd0/0xcd0
[  232.382350][ T5453]  ? preempt_count_add+0x8d/0x190
[  232.387888][ T5453]  ? sb_set_blocksize+0xa5/0xe0
[  232.392726][ T5453]  get_tree_bdev+0x3f1/0x610
[  232.397300][ T5453]  ? gfs2_reconfigure+0xcd0/0xcd0
[  232.402312][ T5453]  gfs2_get_tree+0x4d/0x1e0
[  232.406817][ T5453]  vfs_get_tree+0x88/0x270
[  232.411225][ T5453]  do_new_mount+0x24a/0xa40
[  232.415768][ T5453]  __se_sys_mount+0x2d6/0x3c0
[  232.420451][ T5453]  ? __x64_sys_mount+0xc0/0xc0
[  232.425222][ T5453]  ? lockdep_hardirqs_on+0x94/0x140
[  232.430413][ T5453]  ? __x64_sys_mount+0x1c/0xc0
[  232.435266][ T5453]  do_syscall_64+0x4c/0xa0
[  232.439676][ T5453]  ? clear_bhb_loop+0x30/0x80
[  232.444346][ T5453]  ? clear_bhb_loop+0x30/0x80
[  232.449224][ T5453]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  232.455123][ T5453] RIP: 0033:0x7fbae782f76a
[  232.459537][ T5453] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  232.479518][ T5453] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  232.488062][ T5453] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  232.496229][ T5453] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  232.504192][ T5453] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  232.512365][ T5453] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  232.520339][ T5453] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  232.528327][ T5453]  </TASK>
[  232.532542][ T5453] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  232.545887][ T5453] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  232.857405][ T5455] loop1: detected capacity change from 0 to 32768
[  232.907148][ T5455] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  232.916648][ T5455] CPU: 0 PID: 5455 Comm: syz.1.181 Not tainted syzkaller #0
[  232.924076][ T5455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  232.934761][ T5455] Call Trace:
[  232.938067][ T5455]  <TASK>
[  232.941007][ T5455]  dump_stack_lvl+0x168/0x230
[  232.945705][ T5455]  ? show_regs_print_info+0x20/0x20
[  232.951000][ T5455]  ? load_image+0x3b0/0x3b0
[  232.955624][ T5455]  sysfs_create_dir_ns+0x252/0x280
[  232.960757][ T5455]  ? __lock_acquire+0x7c60/0x7c60
[  232.965804][ T5455]  ? sysfs_warn_dup+0xa0/0xa0
[  232.970509][ T5455]  ? do_raw_spin_unlock+0x11d/0x230
[  232.975834][ T5455]  kobject_add_internal+0x662/0xd00
[  232.981144][ T5455]  kobject_init_and_add+0x122/0x190
[  232.986382][ T5455]  ? lockdep_softirqs_off+0x420/0x420
[  232.991773][ T5455]  ? kobject_add+0x210/0x210
[  232.996385][ T5455]  ? __init_swait_queue_head+0xa5/0x150
[  233.002296][ T5455]  gfs2_sys_fs_add+0x234/0x480
[  233.007177][ T5455]  ? gfs2_recover_set+0x240/0x240
[  233.012356][ T5455]  ? snprintf+0xd7/0x120
[  233.016583][ T5455]  ? __free_pages+0x95/0x1a0
[  233.021252][ T5455]  ? vscnprintf+0x80/0x80
[  233.025577][ T5455]  gfs2_fill_super+0x128d/0x1f50
[  233.030732][ T5455]  ? gfs2_reconfigure+0xcd0/0xcd0
[  233.035747][ T5455]  ? preempt_count_add+0x8d/0x190
[  233.040853][ T5455]  ? sb_set_blocksize+0xa5/0xe0
[  233.045743][ T5455]  get_tree_bdev+0x3f1/0x610
[  233.050351][ T5455]  ? gfs2_reconfigure+0xcd0/0xcd0
[  233.055506][ T5455]  gfs2_get_tree+0x4d/0x1e0
[  233.060016][ T5455]  vfs_get_tree+0x88/0x270
[  233.064428][ T5455]  do_new_mount+0x24a/0xa40
[  233.068928][ T5455]  __se_sys_mount+0x2d6/0x3c0
[  233.073602][ T5455]  ? __x64_sys_mount+0xc0/0xc0
[  233.078368][ T5455]  ? lockdep_hardirqs_on+0x94/0x140
[  233.083593][ T5455]  ? __x64_sys_mount+0x1c/0xc0
[  233.088362][ T5455]  do_syscall_64+0x4c/0xa0
[  233.092773][ T5455]  ? clear_bhb_loop+0x30/0x80
[  233.097545][ T5455]  ? clear_bhb_loop+0x30/0x80
[  233.102317][ T5455]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  233.108298][ T5455] RIP: 0033:0x7fbae782f76a
[  233.112815][ T5455] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  233.132509][ T5455] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  233.140938][ T5455] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  233.149111][ T5455] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  233.157103][ T5455] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  233.165091][ T5455] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  233.173061][ T5455] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  233.181030][ T5455]  </TASK>
[  233.192620][ T5455] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  233.206682][ T5455] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  233.532035][ T5457] loop1: detected capacity change from 0 to 32768
[  233.631252][ T5457] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  233.639078][ T5457] CPU: 1 PID: 5457 Comm: syz.1.182 Not tainted syzkaller #0
[  233.646376][ T5457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  233.656441][ T5457] Call Trace:
[  233.659822][ T5457]  <TASK>
[  233.662769][ T5457]  dump_stack_lvl+0x168/0x230
[  233.667464][ T5457]  ? show_regs_print_info+0x20/0x20
[  233.672700][ T5457]  ? load_image+0x3b0/0x3b0
[  233.677322][ T5457]  sysfs_create_dir_ns+0x252/0x280
[  233.682448][ T5457]  ? __lock_acquire+0x7c60/0x7c60
[  233.687631][ T5457]  ? sysfs_warn_dup+0xa0/0xa0
[  233.692415][ T5457]  ? do_raw_spin_unlock+0x11d/0x230
[  233.697627][ T5457]  kobject_add_internal+0x662/0xd00
[  233.702828][ T5457]  kobject_init_and_add+0x122/0x190
[  233.708280][ T5457]  ? lockdep_softirqs_off+0x420/0x420
[  233.713896][ T5457]  ? kobject_add+0x210/0x210
[  233.718721][ T5457]  ? __init_swait_queue_head+0xa5/0x150
[  233.724380][ T5457]  gfs2_sys_fs_add+0x234/0x480
[  233.729168][ T5457]  ? gfs2_recover_set+0x240/0x240
[  233.734280][ T5457]  ? snprintf+0xd7/0x120
[  233.738725][ T5457]  ? __free_pages+0x95/0x1a0
[  233.743313][ T5457]  ? vscnprintf+0x80/0x80
[  233.747758][ T5457]  gfs2_fill_super+0x128d/0x1f50
[  233.752739][ T5457]  ? gfs2_reconfigure+0xcd0/0xcd0
[  233.757864][ T5457]  ? preempt_count_add+0x8d/0x190
[  233.762887][ T5457]  ? sb_set_blocksize+0xa5/0xe0
[  233.767731][ T5457]  get_tree_bdev+0x3f1/0x610
[  233.772323][ T5457]  ? gfs2_reconfigure+0xcd0/0xcd0
[  233.777504][ T5457]  gfs2_get_tree+0x4d/0x1e0
[  233.781991][ T5457]  vfs_get_tree+0x88/0x270
[  233.786496][ T5457]  do_new_mount+0x24a/0xa40
[  233.791013][ T5457]  __se_sys_mount+0x2d6/0x3c0
[  233.795789][ T5457]  ? __x64_sys_mount+0xc0/0xc0
[  233.800560][ T5457]  ? lockdep_hardirqs_on+0x94/0x140
[  233.805754][ T5457]  ? __x64_sys_mount+0x1c/0xc0
[  233.810505][ T5457]  do_syscall_64+0x4c/0xa0
[  233.814907][ T5457]  ? clear_bhb_loop+0x30/0x80
[  233.819583][ T5457]  ? clear_bhb_loop+0x30/0x80
[  233.824248][ T5457]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  233.830130][ T5457] RIP: 0033:0x7fbae782f76a
[  233.834729][ T5457] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  233.854429][ T5457] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  233.863225][ T5457] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  233.871303][ T5457] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  233.879268][ T5457] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  233.887428][ T5457] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  233.895404][ T5457] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  233.903376][ T5457]  </TASK>
[  233.908292][ T5457] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  233.921922][ T5457] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  234.249082][ T5459] loop1: detected capacity change from 0 to 32768
[  234.300846][ T5459] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  234.308416][ T5459] CPU: 1 PID: 5459 Comm: syz.1.183 Not tainted syzkaller #0
[  234.315731][ T5459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  234.325799][ T5459] Call Trace:
[  234.329088][ T5459]  <TASK>
[  234.332049][ T5459]  dump_stack_lvl+0x168/0x230
[  234.336740][ T5459]  ? show_regs_print_info+0x20/0x20
[  234.341957][ T5459]  ? load_image+0x3b0/0x3b0
[  234.346581][ T5459]  sysfs_create_dir_ns+0x252/0x280
[  234.351716][ T5459]  ? __lock_acquire+0x7c60/0x7c60
[  234.356759][ T5459]  ? sysfs_warn_dup+0xa0/0xa0
[  234.361562][ T5459]  ? do_raw_spin_unlock+0x11d/0x230
[  234.367127][ T5459]  kobject_add_internal+0x662/0xd00
[  234.372368][ T5459]  kobject_init_and_add+0x122/0x190
[  234.377759][ T5459]  ? lockdep_softirqs_off+0x420/0x420
[  234.383132][ T5459]  ? kobject_add+0x210/0x210
[  234.387715][ T5459]  ? __init_swait_queue_head+0xa5/0x150
[  234.393284][ T5459]  gfs2_sys_fs_add+0x234/0x480
[  234.398131][ T5459]  ? gfs2_recover_set+0x240/0x240
[  234.403140][ T5459]  ? snprintf+0xd7/0x120
[  234.407364][ T5459]  ? __free_pages+0x95/0x1a0
[  234.412031][ T5459]  ? vscnprintf+0x80/0x80
[  234.416901][ T5459]  gfs2_fill_super+0x128d/0x1f50
[  234.421938][ T5459]  ? gfs2_reconfigure+0xcd0/0xcd0
[  234.427196][ T5459]  ? preempt_count_add+0x8d/0x190
[  234.432317][ T5459]  ? sb_set_blocksize+0xa5/0xe0
[  234.437162][ T5459]  get_tree_bdev+0x3f1/0x610
[  234.441822][ T5459]  ? gfs2_reconfigure+0xcd0/0xcd0
[  234.446871][ T5459]  gfs2_get_tree+0x4d/0x1e0
[  234.451380][ T5459]  vfs_get_tree+0x88/0x270
[  234.455882][ T5459]  do_new_mount+0x24a/0xa40
[  234.460377][ T5459]  __se_sys_mount+0x2d6/0x3c0
[  234.465043][ T5459]  ? __x64_sys_mount+0xc0/0xc0
[  234.469794][ T5459]  ? lockdep_hardirqs_on+0x94/0x140
[  234.474989][ T5459]  ? __x64_sys_mount+0x1c/0xc0
[  234.479750][ T5459]  do_syscall_64+0x4c/0xa0
[  234.484154][ T5459]  ? clear_bhb_loop+0x30/0x80
[  234.488837][ T5459]  ? clear_bhb_loop+0x30/0x80
[  234.493503][ T5459]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  234.499402][ T5459] RIP: 0033:0x7fbae782f76a
[  234.503899][ T5459] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  234.523604][ T5459] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  234.532206][ T5459] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  234.540170][ T5459] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  234.548243][ T5459] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  234.556219][ T5459] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  234.564174][ T5459] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  234.572352][ T5459]  </TASK>
[  234.576892][ T5459] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  234.590153][ T5459] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  234.941072][ T5461] loop1: detected capacity change from 0 to 32768
[  235.017602][ T5461] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  235.025284][ T5461] CPU: 0 PID: 5461 Comm: syz.1.184 Not tainted syzkaller #0
[  235.032662][ T5461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  235.042734][ T5461] Call Trace:
[  235.046022][ T5461]  <TASK>
[  235.048974][ T5461]  dump_stack_lvl+0x168/0x230
[  235.053769][ T5461]  ? show_regs_print_info+0x20/0x20
[  235.058982][ T5461]  ? load_image+0x3b0/0x3b0
[  235.063521][ T5461]  sysfs_create_dir_ns+0x252/0x280
[  235.068649][ T5461]  ? __lock_acquire+0x7c60/0x7c60
[  235.074000][ T5461]  ? sysfs_warn_dup+0xa0/0xa0
[  235.078695][ T5461]  ? do_raw_spin_unlock+0x11d/0x230
[  235.083909][ T5461]  kobject_add_internal+0x662/0xd00
[  235.089143][ T5461]  kobject_init_and_add+0x122/0x190
[  235.094450][ T5461]  ? lockdep_softirqs_off+0x420/0x420
[  235.099927][ T5461]  ? kobject_add+0x210/0x210
[  235.104779][ T5461]  ? __init_swait_queue_head+0xa5/0x150
[  235.110416][ T5461]  gfs2_sys_fs_add+0x234/0x480
[  235.115172][ T5461]  ? gfs2_recover_set+0x240/0x240
[  235.120270][ T5461]  ? snprintf+0xd7/0x120
[  235.124760][ T5461]  ? __free_pages+0x95/0x1a0
[  235.129370][ T5461]  ? vscnprintf+0x80/0x80
[  235.133787][ T5461]  gfs2_fill_super+0x128d/0x1f50
[  235.138831][ T5461]  ? gfs2_reconfigure+0xcd0/0xcd0
[  235.143869][ T5461]  ? preempt_count_add+0x8d/0x190
[  235.148994][ T5461]  ? sb_set_blocksize+0xa5/0xe0
[  235.153839][ T5461]  get_tree_bdev+0x3f1/0x610
[  235.158433][ T5461]  ? gfs2_reconfigure+0xcd0/0xcd0
[  235.163566][ T5461]  gfs2_get_tree+0x4d/0x1e0
[  235.168061][ T5461]  vfs_get_tree+0x88/0x270
[  235.172560][ T5461]  do_new_mount+0x24a/0xa40
[  235.177080][ T5461]  __se_sys_mount+0x2d6/0x3c0
[  235.181796][ T5461]  ? __x64_sys_mount+0xc0/0xc0
[  235.186749][ T5461]  ? lockdep_hardirqs_on+0x94/0x140
[  235.191943][ T5461]  ? __x64_sys_mount+0x1c/0xc0
[  235.196792][ T5461]  do_syscall_64+0x4c/0xa0
[  235.201283][ T5461]  ? clear_bhb_loop+0x30/0x80
[  235.205944][ T5461]  ? clear_bhb_loop+0x30/0x80
[  235.210736][ T5461]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  235.216625][ T5461] RIP: 0033:0x7fbae782f76a
[  235.221027][ T5461] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  235.240716][ T5461] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.249392][ T5461] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  235.257365][ T5461] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  235.265586][ T5461] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  235.273548][ T5461] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  235.281568][ T5461] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  235.289848][ T5461]  </TASK>
[  235.301746][ T5461] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  235.315190][ T5461] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  235.626142][ T5463] loop1: detected capacity change from 0 to 32768
[  235.679285][ T5463] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  235.686714][ T5463] CPU: 0 PID: 5463 Comm: syz.1.185 Not tainted syzkaller #0
[  235.694040][ T5463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  235.704417][ T5463] Call Trace:
[  235.707708][ T5463]  <TASK>
[  235.710768][ T5463]  dump_stack_lvl+0x168/0x230
[  235.715469][ T5463]  ? show_regs_print_info+0x20/0x20
[  235.720699][ T5463]  ? load_image+0x3b0/0x3b0
[  235.725231][ T5463]  sysfs_create_dir_ns+0x252/0x280
[  235.730362][ T5463]  ? __lock_acquire+0x7c60/0x7c60
[  235.735492][ T5463]  ? sysfs_warn_dup+0xa0/0xa0
[  235.740184][ T5463]  ? do_raw_spin_unlock+0x11d/0x230
[  235.745620][ T5463]  kobject_add_internal+0x662/0xd00
[  235.751136][ T5463]  kobject_init_and_add+0x122/0x190
[  235.756347][ T5463]  ? lockdep_softirqs_off+0x420/0x420
[  235.761757][ T5463]  ? kobject_add+0x210/0x210
[  235.766400][ T5463]  ? __init_swait_queue_head+0xa5/0x150
[  235.771933][ T5463]  gfs2_sys_fs_add+0x234/0x480
[  235.776782][ T5463]  ? gfs2_recover_set+0x240/0x240
[  235.781803][ T5463]  ? snprintf+0xd7/0x120
[  235.786040][ T5463]  ? __free_pages+0x95/0x1a0
[  235.790703][ T5463]  ? vscnprintf+0x80/0x80
[  235.795108][ T5463]  gfs2_fill_super+0x128d/0x1f50
[  235.800217][ T5463]  ? gfs2_reconfigure+0xcd0/0xcd0
[  235.805223][ T5463]  ? preempt_count_add+0x8d/0x190
[  235.810253][ T5463]  ? sb_set_blocksize+0xa5/0xe0
[  235.815189][ T5463]  get_tree_bdev+0x3f1/0x610
[  235.819787][ T5463]  ? gfs2_reconfigure+0xcd0/0xcd0
[  235.824806][ T5463]  gfs2_get_tree+0x4d/0x1e0
[  235.829296][ T5463]  vfs_get_tree+0x88/0x270
[  235.833712][ T5463]  do_new_mount+0x24a/0xa40
[  235.838205][ T5463]  __se_sys_mount+0x2d6/0x3c0
[  235.842968][ T5463]  ? __x64_sys_mount+0xc0/0xc0
[  235.847820][ T5463]  ? lockdep_hardirqs_on+0x94/0x140
[  235.853006][ T5463]  ? __x64_sys_mount+0x1c/0xc0
[  235.857775][ T5463]  do_syscall_64+0x4c/0xa0
[  235.862319][ T5463]  ? clear_bhb_loop+0x30/0x80
[  235.867108][ T5463]  ? clear_bhb_loop+0x30/0x80
[  235.871798][ T5463]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  235.877698][ T5463] RIP: 0033:0x7fbae782f76a
[  235.882120][ T5463] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  235.902144][ T5463] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.910697][ T5463] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  235.918653][ T5463] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  235.926612][ T5463] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  235.934566][ T5463] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  235.942528][ T5463] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  235.950672][ T5463]  </TASK>
[  235.955079][ T5463] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  235.969060][ T5463] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  236.325070][ T5465] loop1: detected capacity change from 0 to 32768
[  236.380663][ T5465] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  236.389574][ T5465] CPU: 0 PID: 5465 Comm: syz.1.186 Not tainted syzkaller #0
[  236.396996][ T5465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  236.407149][ T5465] Call Trace:
[  236.410531][ T5465]  <TASK>
[  236.413562][ T5465]  dump_stack_lvl+0x168/0x230
[  236.418270][ T5465]  ? show_regs_print_info+0x20/0x20
[  236.423479][ T5465]  ? load_image+0x3b0/0x3b0
[  236.428020][ T5465]  sysfs_create_dir_ns+0x252/0x280
[  236.433246][ T5465]  ? __lock_acquire+0x7c60/0x7c60
[  236.438370][ T5465]  ? sysfs_warn_dup+0xa0/0xa0
[  236.443268][ T5465]  ? do_raw_spin_unlock+0x11d/0x230
[  236.448487][ T5465]  kobject_add_internal+0x662/0xd00
[  236.453722][ T5465]  kobject_init_and_add+0x122/0x190
[  236.458932][ T5465]  ? lockdep_softirqs_off+0x420/0x420
[  236.464322][ T5465]  ? kobject_add+0x210/0x210
[  236.468935][ T5465]  ? __init_swait_queue_head+0xa5/0x150
[  236.474503][ T5465]  gfs2_sys_fs_add+0x234/0x480
[  236.479599][ T5465]  ? gfs2_recover_set+0x240/0x240
[  236.484883][ T5465]  ? snprintf+0xd7/0x120
[  236.489142][ T5465]  ? __free_pages+0x95/0x1a0
[  236.493948][ T5465]  ? vscnprintf+0x80/0x80
[  236.498417][ T5465]  gfs2_fill_super+0x128d/0x1f50
[  236.503450][ T5465]  ? gfs2_reconfigure+0xcd0/0xcd0
[  236.508477][ T5465]  ? preempt_count_add+0x8d/0x190
[  236.513618][ T5465]  ? sb_set_blocksize+0xa5/0xe0
[  236.518544][ T5465]  get_tree_bdev+0x3f1/0x610
[  236.523322][ T5465]  ? gfs2_reconfigure+0xcd0/0xcd0
[  236.528346][ T5465]  gfs2_get_tree+0x4d/0x1e0
[  236.532941][ T5465]  vfs_get_tree+0x88/0x270
[  236.537355][ T5465]  do_new_mount+0x24a/0xa40
[  236.541926][ T5465]  __se_sys_mount+0x2d6/0x3c0
[  236.546606][ T5465]  ? __x64_sys_mount+0xc0/0xc0
[  236.551454][ T5465]  ? lockdep_hardirqs_on+0x94/0x140
[  236.556645][ T5465]  ? __x64_sys_mount+0x1c/0xc0
[  236.561587][ T5465]  do_syscall_64+0x4c/0xa0
[  236.565986][ T5465]  ? clear_bhb_loop+0x30/0x80
[  236.570657][ T5465]  ? clear_bhb_loop+0x30/0x80
[  236.575318][ T5465]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  236.581289][ T5465] RIP: 0033:0x7fbae782f76a
[  236.585694][ T5465] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  236.605294][ T5465] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  236.614164][ T5465] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  236.622225][ T5465] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  236.630276][ T5465] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  236.638245][ T5465] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  236.646548][ T5465] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  236.654681][ T5465]  </TASK>
[  236.659031][ T5465] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  236.672416][ T5465] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/22 06:11:19 executed programs: 172
[  237.000440][ T5467] loop1: detected capacity change from 0 to 32768
[  237.047277][ T5467] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  237.055010][ T5467] CPU: 1 PID: 5467 Comm: syz.1.187 Not tainted syzkaller #0
[  237.062317][ T5467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  237.072509][ T5467] Call Trace:
[  237.075894][ T5467]  <TASK>
[  237.078827][ T5467]  dump_stack_lvl+0x168/0x230
[  237.083520][ T5467]  ? show_regs_print_info+0x20/0x20
[  237.088731][ T5467]  ? load_image+0x3b0/0x3b0
[  237.093263][ T5467]  sysfs_create_dir_ns+0x252/0x280
[  237.098478][ T5467]  ? __lock_acquire+0x7c60/0x7c60
[  237.104023][ T5467]  ? sysfs_warn_dup+0xa0/0xa0
[  237.108722][ T5467]  ? do_raw_spin_unlock+0x11d/0x230
[  237.114113][ T5467]  kobject_add_internal+0x662/0xd00
[  237.119428][ T5467]  kobject_init_and_add+0x122/0x190
[  237.124736][ T5467]  ? lockdep_softirqs_off+0x420/0x420
[  237.130106][ T5467]  ? kobject_add+0x210/0x210
[  237.134704][ T5467]  ? __init_swait_queue_head+0xa5/0x150
[  237.140338][ T5467]  gfs2_sys_fs_add+0x234/0x480
[  237.145360][ T5467]  ? gfs2_recover_set+0x240/0x240
[  237.150367][ T5467]  ? snprintf+0xd7/0x120
[  237.154699][ T5467]  ? __free_pages+0x95/0x1a0
[  237.159295][ T5467]  ? vscnprintf+0x80/0x80
[  237.163714][ T5467]  gfs2_fill_super+0x128d/0x1f50
[  237.168644][ T5467]  ? gfs2_reconfigure+0xcd0/0xcd0
[  237.173784][ T5467]  ? preempt_count_add+0x8d/0x190
[  237.179029][ T5467]  ? sb_set_blocksize+0xa5/0xe0
[  237.183878][ T5467]  get_tree_bdev+0x3f1/0x610
[  237.188560][ T5467]  ? gfs2_reconfigure+0xcd0/0xcd0
[  237.193685][ T5467]  gfs2_get_tree+0x4d/0x1e0
[  237.198184][ T5467]  vfs_get_tree+0x88/0x270
[  237.202737][ T5467]  do_new_mount+0x24a/0xa40
[  237.207244][ T5467]  __se_sys_mount+0x2d6/0x3c0
[  237.211911][ T5467]  ? __x64_sys_mount+0xc0/0xc0
[  237.216679][ T5467]  ? lockdep_hardirqs_on+0x94/0x140
[  237.221875][ T5467]  ? __x64_sys_mount+0x1c/0xc0
[  237.226749][ T5467]  do_syscall_64+0x4c/0xa0
[  237.231351][ T5467]  ? clear_bhb_loop+0x30/0x80
[  237.236013][ T5467]  ? clear_bhb_loop+0x30/0x80
[  237.240762][ T5467]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  237.246663][ T5467] RIP: 0033:0x7fbae782f76a
[  237.251168][ T5467] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  237.270852][ T5467] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  237.279254][ T5467] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  237.287302][ T5467] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  237.295269][ T5467] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  237.303458][ T5467] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  237.311431][ T5467] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  237.319489][ T5467]  </TASK>
[  237.323888][ T5467] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  237.337066][ T5467] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  237.652824][ T5469] loop1: detected capacity change from 0 to 32768
[  237.700202][ T5469] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  237.709507][ T5469] CPU: 0 PID: 5469 Comm: syz.1.188 Not tainted syzkaller #0
[  237.716930][ T5469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  237.727291][ T5469] Call Trace:
[  237.730636][ T5469]  <TASK>
[  237.733579][ T5469]  dump_stack_lvl+0x168/0x230
[  237.738295][ T5469]  ? show_regs_print_info+0x20/0x20
[  237.743640][ T5469]  ? load_image+0x3b0/0x3b0
[  237.748253][ T5469]  sysfs_create_dir_ns+0x252/0x280
[  237.753470][ T5469]  ? __lock_acquire+0x7c60/0x7c60
[  237.758601][ T5469]  ? sysfs_warn_dup+0xa0/0xa0
[  237.763297][ T5469]  ? do_raw_spin_unlock+0x11d/0x230
[  237.768597][ T5469]  kobject_add_internal+0x662/0xd00
[  237.773828][ T5469]  kobject_init_and_add+0x122/0x190
[  237.779151][ T5469]  ? lockdep_softirqs_off+0x420/0x420
[  237.784548][ T5469]  ? kobject_add+0x210/0x210
[  237.789339][ T5469]  ? __init_swait_queue_head+0xa5/0x150
[  237.795033][ T5469]  gfs2_sys_fs_add+0x234/0x480
[  237.799789][ T5469]  ? gfs2_recover_set+0x240/0x240
[  237.804821][ T5469]  ? snprintf+0xd7/0x120
[  237.809050][ T5469]  ? __free_pages+0x95/0x1a0
[  237.813630][ T5469]  ? vscnprintf+0x80/0x80
[  237.817962][ T5469]  gfs2_fill_super+0x128d/0x1f50
[  237.823095][ T5469]  ? gfs2_reconfigure+0xcd0/0xcd0
[  237.828108][ T5469]  ? preempt_count_add+0x8d/0x190
[  237.833343][ T5469]  ? sb_set_blocksize+0xa5/0xe0
[  237.838243][ T5469]  get_tree_bdev+0x3f1/0x610
[  237.843133][ T5469]  ? gfs2_reconfigure+0xcd0/0xcd0
[  237.848305][ T5469]  gfs2_get_tree+0x4d/0x1e0
[  237.852809][ T5469]  vfs_get_tree+0x88/0x270
[  237.857301][ T5469]  do_new_mount+0x24a/0xa40
[  237.861793][ T5469]  __se_sys_mount+0x2d6/0x3c0
[  237.866458][ T5469]  ? __x64_sys_mount+0xc0/0xc0
[  237.871210][ T5469]  ? lockdep_hardirqs_on+0x94/0x140
[  237.876705][ T5469]  ? __x64_sys_mount+0x1c/0xc0
[  237.881472][ T5469]  do_syscall_64+0x4c/0xa0
[  237.885897][ T5469]  ? clear_bhb_loop+0x30/0x80
[  237.890573][ T5469]  ? clear_bhb_loop+0x30/0x80
[  237.895395][ T5469]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  237.901272][ T5469] RIP: 0033:0x7fbae782f76a
[  237.905900][ T5469] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  237.925677][ T5469] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  237.934261][ T5469] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  237.942344][ T5469] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  237.950305][ T5469] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  237.958265][ T5469] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  237.966247][ T5469] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  237.974233][ T5469]  </TASK>
[  237.978780][ T5469] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  237.992381][ T5469] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  238.364885][ T5471] loop1: detected capacity change from 0 to 32768
[  238.451470][ T5471] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  238.459093][ T5471] CPU: 0 PID: 5471 Comm: syz.1.189 Not tainted syzkaller #0
[  238.466494][ T5471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  238.476659][ T5471] Call Trace:
[  238.479951][ T5471]  <TASK>
[  238.482912][ T5471]  dump_stack_lvl+0x168/0x230
[  238.487610][ T5471]  ? show_regs_print_info+0x20/0x20
[  238.492913][ T5471]  ? load_image+0x3b0/0x3b0
[  238.497449][ T5471]  sysfs_create_dir_ns+0x252/0x280
[  238.502671][ T5471]  ? __lock_acquire+0x7c60/0x7c60
[  238.507726][ T5471]  ? sysfs_warn_dup+0xa0/0xa0
[  238.512423][ T5471]  ? do_raw_spin_unlock+0x11d/0x230
[  238.517643][ T5471]  kobject_add_internal+0x662/0xd00
[  238.523123][ T5471]  kobject_init_and_add+0x122/0x190
[  238.528610][ T5471]  ? lockdep_softirqs_off+0x420/0x420
[  238.533992][ T5471]  ? kobject_add+0x210/0x210
[  238.538793][ T5471]  ? __init_swait_queue_head+0xa5/0x150
[  238.544452][ T5471]  gfs2_sys_fs_add+0x234/0x480
[  238.549512][ T5471]  ? gfs2_recover_set+0x240/0x240
[  238.554618][ T5471]  ? snprintf+0xd7/0x120
[  238.558885][ T5471]  ? __free_pages+0x95/0x1a0
[  238.563493][ T5471]  ? vscnprintf+0x80/0x80
[  238.567823][ T5471]  gfs2_fill_super+0x128d/0x1f50
[  238.572932][ T5471]  ? gfs2_reconfigure+0xcd0/0xcd0
[  238.578061][ T5471]  ? preempt_count_add+0x8d/0x190
[  238.583098][ T5471]  ? sb_set_blocksize+0xa5/0xe0
[  238.587948][ T5471]  get_tree_bdev+0x3f1/0x610
[  238.592608][ T5471]  ? gfs2_reconfigure+0xcd0/0xcd0
[  238.597655][ T5471]  gfs2_get_tree+0x4d/0x1e0
[  238.602170][ T5471]  vfs_get_tree+0x88/0x270
[  238.606872][ T5471]  do_new_mount+0x24a/0xa40
[  238.611480][ T5471]  __se_sys_mount+0x2d6/0x3c0
[  238.616477][ T5471]  ? __x64_sys_mount+0xc0/0xc0
[  238.621401][ T5471]  ? lockdep_hardirqs_on+0x94/0x140
[  238.626597][ T5471]  ? __x64_sys_mount+0x1c/0xc0
[  238.631457][ T5471]  do_syscall_64+0x4c/0xa0
[  238.635873][ T5471]  ? clear_bhb_loop+0x30/0x80
[  238.640719][ T5471]  ? clear_bhb_loop+0x30/0x80
[  238.645507][ T5471]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  238.651388][ T5471] RIP: 0033:0x7fbae782f76a
[  238.655867][ T5471] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  238.675750][ T5471] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.684360][ T5471] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  238.692453][ T5471] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  238.700428][ T5471] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  238.708409][ T5471] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  238.716505][ T5471] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  238.724484][ T5471]  </TASK>
[  238.729146][ T5471] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  238.742477][ T5471] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  239.070731][ T5473] loop1: detected capacity change from 0 to 32768
[  239.127951][ T5473] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  239.135461][ T5473] CPU: 1 PID: 5473 Comm: syz.1.190 Not tainted syzkaller #0
[  239.142754][ T5473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  239.153005][ T5473] Call Trace:
[  239.156298][ T5473]  <TASK>
[  239.159325][ T5473]  dump_stack_lvl+0x168/0x230
[  239.164046][ T5473]  ? show_regs_print_info+0x20/0x20
[  239.169571][ T5473]  ? load_image+0x3b0/0x3b0
[  239.174210][ T5473]  sysfs_create_dir_ns+0x252/0x280
[  239.179339][ T5473]  ? __lock_acquire+0x7c60/0x7c60
[  239.184466][ T5473]  ? sysfs_warn_dup+0xa0/0xa0
[  239.189167][ T5473]  ? do_raw_spin_unlock+0x11d/0x230
[  239.194559][ T5473]  kobject_add_internal+0x662/0xd00
[  239.199781][ T5473]  kobject_init_and_add+0x122/0x190
[  239.205082][ T5473]  ? lockdep_softirqs_off+0x420/0x420
[  239.210563][ T5473]  ? kobject_add+0x210/0x210
[  239.215327][ T5473]  ? __init_swait_queue_head+0xa5/0x150
[  239.221028][ T5473]  gfs2_sys_fs_add+0x234/0x480
[  239.225907][ T5473]  ? gfs2_recover_set+0x240/0x240
[  239.231070][ T5473]  ? snprintf+0xd7/0x120
[  239.235315][ T5473]  ? __free_pages+0x95/0x1a0
[  239.239899][ T5473]  ? vscnprintf+0x80/0x80
[  239.244232][ T5473]  gfs2_fill_super+0x128d/0x1f50
[  239.249633][ T5473]  ? gfs2_reconfigure+0xcd0/0xcd0
[  239.254751][ T5473]  ? preempt_count_add+0x8d/0x190
[  239.259867][ T5473]  ? sb_set_blocksize+0xa5/0xe0
[  239.264884][ T5473]  get_tree_bdev+0x3f1/0x610
[  239.269467][ T5473]  ? gfs2_reconfigure+0xcd0/0xcd0
[  239.274591][ T5473]  gfs2_get_tree+0x4d/0x1e0
[  239.279094][ T5473]  vfs_get_tree+0x88/0x270
[  239.283496][ T5473]  do_new_mount+0x24a/0xa40
[  239.288172][ T5473]  __se_sys_mount+0x2d6/0x3c0
[  239.292882][ T5473]  ? __x64_sys_mount+0xc0/0xc0
[  239.297739][ T5473]  ? lockdep_hardirqs_on+0x94/0x140
[  239.303316][ T5473]  ? __x64_sys_mount+0x1c/0xc0
[  239.308108][ T5473]  do_syscall_64+0x4c/0xa0
[  239.312520][ T5473]  ? clear_bhb_loop+0x30/0x80
[  239.317186][ T5473]  ? clear_bhb_loop+0x30/0x80
[  239.321849][ T5473]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  239.327815][ T5473] RIP: 0033:0x7fbae782f76a
[  239.332345][ T5473] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  239.352024][ T5473] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.360707][ T5473] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  239.368758][ T5473] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  239.376847][ T5473] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  239.385168][ T5473] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  239.393318][ T5473] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  239.401464][ T5473]  </TASK>
[  239.405766][ T5473] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  239.418949][ T5473] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  239.731354][ T5475] loop1: detected capacity change from 0 to 32768
[  239.749400][ T5475] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  239.757111][ T5475] CPU: 0 PID: 5475 Comm: syz.1.191 Not tainted syzkaller #0
[  239.764501][ T5475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  239.774665][ T5475] Call Trace:
[  239.778047][ T5475]  <TASK>
[  239.781426][ T5475]  dump_stack_lvl+0x168/0x230
[  239.786123][ T5475]  ? show_regs_print_info+0x20/0x20
[  239.791342][ T5475]  ? load_image+0x3b0/0x3b0
[  239.795880][ T5475]  sysfs_create_dir_ns+0x252/0x280
[  239.801105][ T5475]  ? __lock_acquire+0x7c60/0x7c60
[  239.806237][ T5475]  ? sysfs_warn_dup+0xa0/0xa0
[  239.811020][ T5475]  ? do_raw_spin_unlock+0x11d/0x230
[  239.816237][ T5475]  kobject_add_internal+0x662/0xd00
[  239.821455][ T5475]  kobject_init_and_add+0x122/0x190
[  239.826668][ T5475]  ? lockdep_softirqs_off+0x420/0x420
[  239.832087][ T5475]  ? kobject_add+0x210/0x210
[  239.836795][ T5475]  ? __init_swait_queue_head+0xa5/0x150
[  239.842522][ T5475]  gfs2_sys_fs_add+0x234/0x480
[  239.847410][ T5475]  ? gfs2_recover_set+0x240/0x240
[  239.852614][ T5475]  ? snprintf+0xd7/0x120
[  239.856852][ T5475]  ? __free_pages+0x95/0x1a0
[  239.861467][ T5475]  ? vscnprintf+0x80/0x80
[  239.865831][ T5475]  gfs2_fill_super+0x128d/0x1f50
[  239.870795][ T5475]  ? gfs2_reconfigure+0xcd0/0xcd0
[  239.875901][ T5475]  ? preempt_count_add+0x8d/0x190
[  239.880951][ T5475]  ? sb_set_blocksize+0xa5/0xe0
[  239.885801][ T5475]  get_tree_bdev+0x3f1/0x610
[  239.890410][ T5475]  ? gfs2_reconfigure+0xcd0/0xcd0
[  239.895641][ T5475]  gfs2_get_tree+0x4d/0x1e0
[  239.900201][ T5475]  vfs_get_tree+0x88/0x270
[  239.904721][ T5475]  do_new_mount+0x24a/0xa40
[  239.909226][ T5475]  __se_sys_mount+0x2d6/0x3c0
[  239.913895][ T5475]  ? __x64_sys_mount+0xc0/0xc0
[  239.918846][ T5475]  ? lockdep_hardirqs_on+0x94/0x140
[  239.924418][ T5475]  ? __x64_sys_mount+0x1c/0xc0
[  239.929186][ T5475]  do_syscall_64+0x4c/0xa0
[  239.934026][ T5475]  ? clear_bhb_loop+0x30/0x80
[  239.938887][ T5475]  ? clear_bhb_loop+0x30/0x80
[  239.943650][ T5475]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  239.949581][ T5475] RIP: 0033:0x7fbae782f76a
[  239.954299][ T5475] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  239.974022][ T5475] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.982521][ T5475] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  239.990512][ T5475] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  239.998597][ T5475] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  240.006566][ T5475] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  240.014742][ T5475] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  240.022757][ T5475]  </TASK>
[  240.027446][ T5475] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  240.040836][ T5475] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  240.366104][ T5477] loop1: detected capacity change from 0 to 32768
[  240.451738][ T5477] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.459312][ T5477] CPU: 1 PID: 5477 Comm: syz.1.192 Not tainted syzkaller #0
[  240.466612][ T5477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  240.476850][ T5477] Call Trace:
[  240.480230][ T5477]  <TASK>
[  240.483179][ T5477]  dump_stack_lvl+0x168/0x230
[  240.488164][ T5477]  ? show_regs_print_info+0x20/0x20
[  240.493473][ T5477]  ? load_image+0x3b0/0x3b0
[  240.498005][ T5477]  sysfs_create_dir_ns+0x252/0x280
[  240.503220][ T5477]  ? __lock_acquire+0x7c60/0x7c60
[  240.508298][ T5477]  ? sysfs_warn_dup+0xa0/0xa0
[  240.513058][ T5477]  ? do_raw_spin_unlock+0x11d/0x230
[  240.518282][ T5477]  kobject_add_internal+0x662/0xd00
[  240.523487][ T5477]  kobject_init_and_add+0x122/0x190
[  240.528867][ T5477]  ? lockdep_softirqs_off+0x420/0x420
[  240.534298][ T5477]  ? kobject_add+0x210/0x210
[  240.539144][ T5477]  ? __init_swait_queue_head+0xa5/0x150
[  240.544697][ T5477]  gfs2_sys_fs_add+0x234/0x480
[  240.549548][ T5477]  ? gfs2_recover_set+0x240/0x240
[  240.554577][ T5477]  ? snprintf+0xd7/0x120
[  240.558806][ T5477]  ? __free_pages+0x95/0x1a0
[  240.563399][ T5477]  ? vscnprintf+0x80/0x80
[  240.567743][ T5477]  gfs2_fill_super+0x128d/0x1f50
[  240.572980][ T5477]  ? gfs2_reconfigure+0xcd0/0xcd0
[  240.578204][ T5477]  ? preempt_count_add+0x8d/0x190
[  240.583305][ T5477]  ? sb_set_blocksize+0xa5/0xe0
[  240.588274][ T5477]  get_tree_bdev+0x3f1/0x610
[  240.592867][ T5477]  ? gfs2_reconfigure+0xcd0/0xcd0
[  240.597965][ T5477]  gfs2_get_tree+0x4d/0x1e0
[  240.602486][ T5477]  vfs_get_tree+0x88/0x270
[  240.606894][ T5477]  do_new_mount+0x24a/0xa40
[  240.611385][ T5477]  __se_sys_mount+0x2d6/0x3c0
[  240.616052][ T5477]  ? __x64_sys_mount+0xc0/0xc0
[  240.620925][ T5477]  ? lockdep_hardirqs_on+0x94/0x140
[  240.626370][ T5477]  ? __x64_sys_mount+0x1c/0xc0
[  240.631306][ T5477]  do_syscall_64+0x4c/0xa0
[  240.635977][ T5477]  ? clear_bhb_loop+0x30/0x80
[  240.640823][ T5477]  ? clear_bhb_loop+0x30/0x80
[  240.645494][ T5477]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  240.651370][ T5477] RIP: 0033:0x7fbae782f76a
[  240.655867][ T5477] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  240.677421][ T5477] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.686020][ T5477] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  240.694013][ T5477] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  240.702151][ T5477] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  240.710128][ T5477] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  240.718099][ T5477] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  240.726244][ T5477]  </TASK>
[  240.730702][ T5477] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  240.744215][ T5477] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  241.052417][ T5479] loop1: detected capacity change from 0 to 32768
[  241.070534][ T5479] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  241.078746][ T5479] CPU: 0 PID: 5479 Comm: syz.1.193 Not tainted syzkaller #0
[  241.086049][ T5479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  241.096123][ T5479] Call Trace:
[  241.099412][ T5479]  <TASK>
[  241.102347][ T5479]  dump_stack_lvl+0x168/0x230
[  241.107052][ T5479]  ? show_regs_print_info+0x20/0x20
[  241.112356][ T5479]  ? load_image+0x3b0/0x3b0
[  241.117067][ T5479]  sysfs_create_dir_ns+0x252/0x280
[  241.122203][ T5479]  ? __lock_acquire+0x7c60/0x7c60
[  241.127329][ T5479]  ? sysfs_warn_dup+0xa0/0xa0
[  241.132034][ T5479]  ? do_raw_spin_unlock+0x11d/0x230
[  241.137340][ T5479]  kobject_add_internal+0x662/0xd00
[  241.142556][ T5479]  kobject_init_and_add+0x122/0x190
[  241.147779][ T5479]  ? lockdep_softirqs_off+0x420/0x420
[  241.153254][ T5479]  ? kobject_add+0x210/0x210
[  241.157941][ T5479]  ? __init_swait_queue_head+0xa5/0x150
[  241.163501][ T5479]  gfs2_sys_fs_add+0x234/0x480
[  241.168353][ T5479]  ? gfs2_recover_set+0x240/0x240
[  241.173522][ T5479]  ? snprintf+0xd7/0x120
[  241.177846][ T5479]  ? __free_pages+0x95/0x1a0
[  241.182612][ T5479]  ? vscnprintf+0x80/0x80
[  241.187108][ T5479]  gfs2_fill_super+0x128d/0x1f50
[  241.192073][ T5479]  ? gfs2_reconfigure+0xcd0/0xcd0
[  241.197087][ T5479]  ? preempt_count_add+0x8d/0x190
[  241.202119][ T5479]  ? sb_set_blocksize+0xa5/0xe0
[  241.206955][ T5479]  get_tree_bdev+0x3f1/0x610
[  241.211528][ T5479]  ? gfs2_reconfigure+0xcd0/0xcd0
[  241.216538][ T5479]  gfs2_get_tree+0x4d/0x1e0
[  241.221119][ T5479]  vfs_get_tree+0x88/0x270
[  241.225627][ T5479]  do_new_mount+0x24a/0xa40
[  241.230210][ T5479]  __se_sys_mount+0x2d6/0x3c0
[  241.234877][ T5479]  ? __x64_sys_mount+0xc0/0xc0
[  241.239649][ T5479]  ? lockdep_hardirqs_on+0x94/0x140
[  241.244923][ T5479]  ? __x64_sys_mount+0x1c/0xc0
[  241.249671][ T5479]  do_syscall_64+0x4c/0xa0
[  241.254169][ T5479]  ? clear_bhb_loop+0x30/0x80
[  241.258839][ T5479]  ? clear_bhb_loop+0x30/0x80
[  241.263501][ T5479]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  241.269463][ T5479] RIP: 0033:0x7fbae782f76a
[  241.273971][ T5479] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  241.293565][ T5479] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.302081][ T5479] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  241.310175][ T5479] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  241.318215][ T5479] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  241.326330][ T5479] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  241.334401][ T5479] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  241.342470][ T5479]  </TASK>
[  241.346693][ T5479] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  241.360228][ T5479] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  241.683440][ T5481] loop1: detected capacity change from 0 to 32768
[  241.724032][ T5481] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  241.732579][ T5481] CPU: 0 PID: 5481 Comm: syz.1.194 Not tainted syzkaller #0
[  241.739890][ T5481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  241.750038][ T5481] Call Trace:
[  241.753331][ T5481]  <TASK>
[  241.756269][ T5481]  dump_stack_lvl+0x168/0x230
[  241.760980][ T5481]  ? show_regs_print_info+0x20/0x20
[  241.766194][ T5481]  ? load_image+0x3b0/0x3b0
[  241.770729][ T5481]  sysfs_create_dir_ns+0x252/0x280
[  241.775859][ T5481]  ? __lock_acquire+0x7c60/0x7c60
[  241.780995][ T5481]  ? sysfs_warn_dup+0xa0/0xa0
[  241.785777][ T5481]  ? do_raw_spin_unlock+0x11d/0x230
[  241.791085][ T5481]  kobject_add_internal+0x662/0xd00
[  241.796660][ T5481]  kobject_init_and_add+0x122/0x190
[  241.801868][ T5481]  ? lockdep_softirqs_off+0x420/0x420
[  241.807308][ T5481]  ? kobject_add+0x210/0x210
[  241.811918][ T5481]  ? __init_swait_queue_head+0xa5/0x150
[  241.817477][ T5481]  gfs2_sys_fs_add+0x234/0x480
[  241.822251][ T5481]  ? gfs2_recover_set+0x240/0x240
[  241.827263][ T5481]  ? snprintf+0xd7/0x120
[  241.831494][ T5481]  ? __free_pages+0x95/0x1a0
[  241.836079][ T5481]  ? vscnprintf+0x80/0x80
[  241.840402][ T5481]  gfs2_fill_super+0x128d/0x1f50
[  241.845338][ T5481]  ? gfs2_reconfigure+0xcd0/0xcd0
[  241.850375][ T5481]  ? preempt_count_add+0x8d/0x190
[  241.855390][ T5481]  ? sb_set_blocksize+0xa5/0xe0
[  241.860230][ T5481]  get_tree_bdev+0x3f1/0x610
[  241.864807][ T5481]  ? gfs2_reconfigure+0xcd0/0xcd0
[  241.869842][ T5481]  gfs2_get_tree+0x4d/0x1e0
[  241.874330][ T5481]  vfs_get_tree+0x88/0x270
[  241.878736][ T5481]  do_new_mount+0x24a/0xa40
[  241.883249][ T5481]  __se_sys_mount+0x2d6/0x3c0
[  241.887998][ T5481]  ? __x64_sys_mount+0xc0/0xc0
[  241.892765][ T5481]  ? lockdep_hardirqs_on+0x94/0x140
[  241.897950][ T5481]  ? __x64_sys_mount+0x1c/0xc0
[  241.902718][ T5481]  do_syscall_64+0x4c/0xa0
[  241.907136][ T5481]  ? clear_bhb_loop+0x30/0x80
[  241.911802][ T5481]  ? clear_bhb_loop+0x30/0x80
[  241.916464][ T5481]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  241.922371][ T5481] RIP: 0033:0x7fbae782f76a
[  241.926858][ T5481] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  241.946739][ T5481] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.955351][ T5481] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  241.963457][ T5481] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  241.971429][ T5481] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  241.979394][ T5481] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  241.987553][ T5481] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  241.995706][ T5481]  </TASK>
[  242.000168][ T5481] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  242.013585][ T5481] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/22 06:11:24 executed programs: 180
[  242.353924][ T5483] loop1: detected capacity change from 0 to 32768
[  242.417337][ T5483] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  242.425005][ T5483] CPU: 0 PID: 5483 Comm: syz.1.195 Not tainted syzkaller #0
[  242.432313][ T5483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  242.442406][ T5483] Call Trace:
[  242.445696][ T5483]  <TASK>
[  242.448664][ T5483]  dump_stack_lvl+0x168/0x230
[  242.453365][ T5483]  ? show_regs_print_info+0x20/0x20
[  242.458710][ T5483]  ? load_image+0x3b0/0x3b0
[  242.463366][ T5483]  sysfs_create_dir_ns+0x252/0x280
[  242.468504][ T5483]  ? __lock_acquire+0x7c60/0x7c60
[  242.473629][ T5483]  ? sysfs_warn_dup+0xa0/0xa0
[  242.478324][ T5483]  ? do_raw_spin_unlock+0x11d/0x230
[  242.483626][ T5483]  kobject_add_internal+0x662/0xd00
[  242.488939][ T5483]  kobject_init_and_add+0x122/0x190
[  242.494277][ T5483]  ? lockdep_softirqs_off+0x420/0x420
[  242.499649][ T5483]  ? kobject_add+0x210/0x210
[  242.504349][ T5483]  ? __init_swait_queue_head+0xa5/0x150
[  242.509903][ T5483]  gfs2_sys_fs_add+0x234/0x480
[  242.514746][ T5483]  ? gfs2_recover_set+0x240/0x240
[  242.519761][ T5483]  ? snprintf+0xd7/0x120
[  242.523996][ T5483]  ? __free_pages+0x95/0x1a0
[  242.528579][ T5483]  ? vscnprintf+0x80/0x80
[  242.532899][ T5483]  gfs2_fill_super+0x128d/0x1f50
[  242.538288][ T5483]  ? gfs2_reconfigure+0xcd0/0xcd0
[  242.543406][ T5483]  ? preempt_count_add+0x8d/0x190
[  242.548511][ T5483]  ? sb_set_blocksize+0xa5/0xe0
[  242.553458][ T5483]  get_tree_bdev+0x3f1/0x610
[  242.558144][ T5483]  ? gfs2_reconfigure+0xcd0/0xcd0
[  242.563165][ T5483]  gfs2_get_tree+0x4d/0x1e0
[  242.567653][ T5483]  vfs_get_tree+0x88/0x270
[  242.572057][ T5483]  do_new_mount+0x24a/0xa40
[  242.576549][ T5483]  __se_sys_mount+0x2d6/0x3c0
[  242.581302][ T5483]  ? __x64_sys_mount+0xc0/0xc0
[  242.586053][ T5483]  ? lockdep_hardirqs_on+0x94/0x140
[  242.591235][ T5483]  ? __x64_sys_mount+0x1c/0xc0
[  242.595980][ T5483]  do_syscall_64+0x4c/0xa0
[  242.600470][ T5483]  ? clear_bhb_loop+0x30/0x80
[  242.605249][ T5483]  ? clear_bhb_loop+0x30/0x80
[  242.609931][ T5483]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  242.616133][ T5483] RIP: 0033:0x7fbae782f76a
[  242.620549][ T5483] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  242.640366][ T5483] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  242.648772][ T5483] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  242.656828][ T5483] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  242.664794][ T5483] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  242.672766][ T5483] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  242.680825][ T5483] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  242.688944][ T5483]  </TASK>
[  242.698555][ T5483] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  242.713490][ T5483] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  243.044033][ T5485] loop1: detected capacity change from 0 to 32768
[  243.107672][ T5485] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  243.115222][ T5485] CPU: 1 PID: 5485 Comm: syz.1.196 Not tainted syzkaller #0
[  243.122608][ T5485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  243.132674][ T5485] Call Trace:
[  243.135965][ T5485]  <TASK>
[  243.138923][ T5485]  dump_stack_lvl+0x168/0x230
[  243.143699][ T5485]  ? show_regs_print_info+0x20/0x20
[  243.148999][ T5485]  ? load_image+0x3b0/0x3b0
[  243.153527][ T5485]  sysfs_create_dir_ns+0x252/0x280
[  243.158658][ T5485]  ? __lock_acquire+0x7c60/0x7c60
[  243.163968][ T5485]  ? sysfs_warn_dup+0xa0/0xa0
[  243.168671][ T5485]  ? do_raw_spin_unlock+0x11d/0x230
[  243.173886][ T5485]  kobject_add_internal+0x662/0xd00
[  243.179107][ T5485]  kobject_init_and_add+0x122/0x190
[  243.184318][ T5485]  ? lockdep_softirqs_off+0x420/0x420
[  243.189707][ T5485]  ? kobject_add+0x210/0x210
[  243.194311][ T5485]  ? __init_swait_queue_head+0xa5/0x150
[  243.199949][ T5485]  gfs2_sys_fs_add+0x234/0x480
[  243.204724][ T5485]  ? gfs2_recover_set+0x240/0x240
[  243.209749][ T5485]  ? snprintf+0xd7/0x120
[  243.213996][ T5485]  ? __free_pages+0x95/0x1a0
[  243.218583][ T5485]  ? vscnprintf+0x80/0x80
[  243.222945][ T5485]  gfs2_fill_super+0x128d/0x1f50
[  243.227987][ T5485]  ? gfs2_reconfigure+0xcd0/0xcd0
[  243.233107][ T5485]  ? preempt_count_add+0x8d/0x190
[  243.238157][ T5485]  ? sb_set_blocksize+0xa5/0xe0
[  243.243003][ T5485]  get_tree_bdev+0x3f1/0x610
[  243.247749][ T5485]  ? gfs2_reconfigure+0xcd0/0xcd0
[  243.253065][ T5485]  gfs2_get_tree+0x4d/0x1e0
[  243.257668][ T5485]  vfs_get_tree+0x88/0x270
[  243.262105][ T5485]  do_new_mount+0x24a/0xa40
[  243.266654][ T5485]  __se_sys_mount+0x2d6/0x3c0
[  243.271342][ T5485]  ? __x64_sys_mount+0xc0/0xc0
[  243.276303][ T5485]  ? lockdep_hardirqs_on+0x94/0x140
[  243.281497][ T5485]  ? __x64_sys_mount+0x1c/0xc0
[  243.286267][ T5485]  do_syscall_64+0x4c/0xa0
[  243.290670][ T5485]  ? clear_bhb_loop+0x30/0x80
[  243.295517][ T5485]  ? clear_bhb_loop+0x30/0x80
[  243.300194][ T5485]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  243.306078][ T5485] RIP: 0033:0x7fbae782f76a
[  243.310488][ T5485] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  243.330485][ T5485] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.338897][ T5485] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  243.346863][ T5485] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  243.354965][ T5485] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  243.362942][ T5485] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  243.371908][ T5485] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  243.379968][ T5485]  </TASK>
[  243.384727][ T5485] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.398315][ T5485] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  243.704513][ T5487] loop1: detected capacity change from 0 to 32768
[  243.750450][ T5487] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  243.765639][ T5487] CPU: 1 PID: 5487 Comm: syz.1.197 Not tainted syzkaller #0
[  243.772961][ T5487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  243.783029][ T5487] Call Trace:
[  243.786321][ T5487]  <TASK>
[  243.789260][ T5487]  dump_stack_lvl+0x168/0x230
[  243.794051][ T5487]  ? show_regs_print_info+0x20/0x20
[  243.799271][ T5487]  ? load_image+0x3b0/0x3b0
[  243.803795][ T5487]  sysfs_create_dir_ns+0x252/0x280
[  243.808921][ T5487]  ? __lock_acquire+0x7c60/0x7c60
[  243.813958][ T5487]  ? sysfs_warn_dup+0xa0/0xa0
[  243.818655][ T5487]  ? do_raw_spin_unlock+0x11d/0x230
[  243.823956][ T5487]  kobject_add_internal+0x662/0xd00
[  243.829172][ T5487]  kobject_init_and_add+0x122/0x190
[  243.834380][ T5487]  ? lockdep_softirqs_off+0x420/0x420
[  243.839940][ T5487]  ? kobject_add+0x210/0x210
[  243.844546][ T5487]  ? __init_swait_queue_head+0xa5/0x150
[  243.850199][ T5487]  gfs2_sys_fs_add+0x234/0x480
[  243.854998][ T5487]  ? gfs2_recover_set+0x240/0x240
[  243.860035][ T5487]  ? snprintf+0xd7/0x120
[  243.864465][ T5487]  ? __free_pages+0x95/0x1a0
[  243.869055][ T5487]  ? vscnprintf+0x80/0x80
[  243.873469][ T5487]  gfs2_fill_super+0x128d/0x1f50
[  243.878416][ T5487]  ? gfs2_reconfigure+0xcd0/0xcd0
[  243.883628][ T5487]  ? preempt_count_add+0x8d/0x190
[  243.888663][ T5487]  ? sb_set_blocksize+0xa5/0xe0
[  243.893533][ T5487]  get_tree_bdev+0x3f1/0x610
[  243.898116][ T5487]  ? gfs2_reconfigure+0xcd0/0xcd0
[  243.903143][ T5487]  gfs2_get_tree+0x4d/0x1e0
[  243.907631][ T5487]  vfs_get_tree+0x88/0x270
[  243.912042][ T5487]  do_new_mount+0x24a/0xa40
[  243.916547][ T5487]  __se_sys_mount+0x2d6/0x3c0
[  243.921230][ T5487]  ? __x64_sys_mount+0xc0/0xc0
[  243.926058][ T5487]  ? lockdep_hardirqs_on+0x94/0x140
[  243.931336][ T5487]  ? __x64_sys_mount+0x1c/0xc0
[  243.936189][ T5487]  do_syscall_64+0x4c/0xa0
[  243.940696][ T5487]  ? clear_bhb_loop+0x30/0x80
[  243.945388][ T5487]  ? clear_bhb_loop+0x30/0x80
[  243.950258][ T5487]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  243.956153][ T5487] RIP: 0033:0x7fbae782f76a
[  243.960649][ T5487] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  243.980424][ T5487] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.988827][ T5487] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  243.996789][ T5487] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  244.004840][ T5487] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  244.012805][ T5487] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  244.020864][ T5487] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  244.029217][ T5487]  </TASK>
[  244.033683][ T5487] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.047216][ T5487] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  244.385433][ T5489] loop1: detected capacity change from 0 to 32768
[  244.406367][ T5489] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.413873][ T5489] CPU: 1 PID: 5489 Comm: syz.1.198 Not tainted syzkaller #0
[  244.421174][ T5489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  244.431251][ T5489] Call Trace:
[  244.434546][ T5489]  <TASK>
[  244.437483][ T5489]  dump_stack_lvl+0x168/0x230
[  244.442191][ T5489]  ? show_regs_print_info+0x20/0x20
[  244.447493][ T5489]  ? load_image+0x3b0/0x3b0
[  244.452125][ T5489]  sysfs_create_dir_ns+0x252/0x280
[  244.457433][ T5489]  ? __lock_acquire+0x7c60/0x7c60
[  244.462569][ T5489]  ? sysfs_warn_dup+0xa0/0xa0
[  244.467363][ T5489]  ? do_raw_spin_unlock+0x11d/0x230
[  244.472690][ T5489]  kobject_add_internal+0x662/0xd00
[  244.478358][ T5489]  kobject_init_and_add+0x122/0x190
[  244.483692][ T5489]  ? lockdep_softirqs_off+0x420/0x420
[  244.489242][ T5489]  ? kobject_add+0x210/0x210
[  244.493824][ T5489]  ? __init_swait_queue_head+0xa5/0x150
[  244.499662][ T5489]  gfs2_sys_fs_add+0x234/0x480
[  244.504629][ T5489]  ? gfs2_recover_set+0x240/0x240
[  244.509773][ T5489]  ? snprintf+0xd7/0x120
[  244.514056][ T5489]  ? __free_pages+0x95/0x1a0
[  244.518654][ T5489]  ? vscnprintf+0x80/0x80
[  244.522977][ T5489]  gfs2_fill_super+0x128d/0x1f50
[  244.527918][ T5489]  ? gfs2_reconfigure+0xcd0/0xcd0
[  244.533022][ T5489]  ? preempt_count_add+0x8d/0x190
[  244.538340][ T5489]  ? sb_set_blocksize+0xa5/0xe0
[  244.543194][ T5489]  get_tree_bdev+0x3f1/0x610
[  244.547786][ T5489]  ? gfs2_reconfigure+0xcd0/0xcd0
[  244.552800][ T5489]  gfs2_get_tree+0x4d/0x1e0
[  244.557383][ T5489]  vfs_get_tree+0x88/0x270
[  244.561877][ T5489]  do_new_mount+0x24a/0xa40
[  244.566372][ T5489]  __se_sys_mount+0x2d6/0x3c0
[  244.571045][ T5489]  ? __x64_sys_mount+0xc0/0xc0
[  244.575796][ T5489]  ? lockdep_hardirqs_on+0x94/0x140
[  244.580986][ T5489]  ? __x64_sys_mount+0x1c/0xc0
[  244.585834][ T5489]  do_syscall_64+0x4c/0xa0
[  244.590408][ T5489]  ? clear_bhb_loop+0x30/0x80
[  244.595155][ T5489]  ? clear_bhb_loop+0x30/0x80
[  244.599935][ T5489]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  244.605810][ T5489] RIP: 0033:0x7fbae782f76a
[  244.610313][ T5489] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  244.630304][ T5489] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.638712][ T5489] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  244.646669][ T5489] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  244.654637][ T5489] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  244.662605][ T5489] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  244.670660][ T5489] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  244.678639][ T5489]  </TASK>
[  244.683186][ T5489] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.696739][ T5489] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  245.022555][ T5491] loop1: detected capacity change from 0 to 32768
[  245.100153][ T5491] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  245.107572][ T5491] CPU: 1 PID: 5491 Comm: syz.1.199 Not tainted syzkaller #0
[  245.115068][ T5491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  245.125134][ T5491] Call Trace:
[  245.128423][ T5491]  <TASK>
[  245.131621][ T5491]  dump_stack_lvl+0x168/0x230
[  245.136417][ T5491]  ? show_regs_print_info+0x20/0x20
[  245.141809][ T5491]  ? load_image+0x3b0/0x3b0
[  245.146342][ T5491]  sysfs_create_dir_ns+0x252/0x280
[  245.151553][ T5491]  ? __lock_acquire+0x7c60/0x7c60
[  245.156726][ T5491]  ? sysfs_warn_dup+0xa0/0xa0
[  245.161541][ T5491]  ? do_raw_spin_unlock+0x11d/0x230
[  245.166764][ T5491]  kobject_add_internal+0x662/0xd00
[  245.171983][ T5491]  kobject_init_and_add+0x122/0x190
[  245.177202][ T5491]  ? lockdep_softirqs_off+0x420/0x420
[  245.182697][ T5491]  ? kobject_add+0x210/0x210
[  245.187401][ T5491]  ? __init_swait_queue_head+0xa5/0x150
[  245.192961][ T5491]  gfs2_sys_fs_add+0x234/0x480
[  245.197844][ T5491]  ? gfs2_recover_set+0x240/0x240
[  245.202898][ T5491]  ? snprintf+0xd7/0x120
[  245.207135][ T5491]  ? __free_pages+0x95/0x1a0
[  245.211714][ T5491]  ? vscnprintf+0x80/0x80
[  245.216037][ T5491]  gfs2_fill_super+0x128d/0x1f50
[  245.220970][ T5491]  ? gfs2_reconfigure+0xcd0/0xcd0
[  245.225979][ T5491]  ? preempt_count_add+0x8d/0x190
[  245.230996][ T5491]  ? sb_set_blocksize+0xa5/0xe0
[  245.235921][ T5491]  get_tree_bdev+0x3f1/0x610
[  245.240497][ T5491]  ? gfs2_reconfigure+0xcd0/0xcd0
[  245.245506][ T5491]  gfs2_get_tree+0x4d/0x1e0
[  245.249993][ T5491]  vfs_get_tree+0x88/0x270
[  245.254406][ T5491]  do_new_mount+0x24a/0xa40
[  245.258909][ T5491]  __se_sys_mount+0x2d6/0x3c0
[  245.263590][ T5491]  ? __x64_sys_mount+0xc0/0xc0
[  245.268437][ T5491]  ? lockdep_hardirqs_on+0x94/0x140
[  245.273741][ T5491]  ? __x64_sys_mount+0x1c/0xc0
[  245.278504][ T5491]  do_syscall_64+0x4c/0xa0
[  245.283007][ T5491]  ? clear_bhb_loop+0x30/0x80
[  245.287766][ T5491]  ? clear_bhb_loop+0x30/0x80
[  245.292442][ T5491]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  245.298328][ T5491] RIP: 0033:0x7fbae782f76a
[  245.302731][ T5491] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  245.322598][ T5491] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.331000][ T5491] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  245.339044][ T5491] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  245.347023][ T5491] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  245.355080][ T5491] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  245.363043][ T5491] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  245.371065][ T5491]  </TASK>
[  245.375608][ T5491] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  245.390266][ T5491] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  245.723650][ T5493] loop1: detected capacity change from 0 to 32768
[  245.775915][ T5493] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  245.783413][ T5493] CPU: 1 PID: 5493 Comm: syz.1.200 Not tainted syzkaller #0
[  245.790814][ T5493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  245.801165][ T5493] Call Trace:
[  245.804626][ T5493]  <TASK>
[  245.807750][ T5493]  dump_stack_lvl+0x168/0x230
[  245.812442][ T5493]  ? show_regs_print_info+0x20/0x20
[  245.817667][ T5493]  ? load_image+0x3b0/0x3b0
[  245.822287][ T5493]  sysfs_create_dir_ns+0x252/0x280
[  245.827420][ T5493]  ? __lock_acquire+0x7c60/0x7c60
[  245.832593][ T5493]  ? sysfs_warn_dup+0xa0/0xa0
[  245.837307][ T5493]  ? do_raw_spin_unlock+0x11d/0x230
[  245.842628][ T5493]  kobject_add_internal+0x662/0xd00
[  245.847856][ T5493]  kobject_init_and_add+0x122/0x190
[  245.853069][ T5493]  ? lockdep_softirqs_off+0x420/0x420
[  245.858562][ T5493]  ? kobject_add+0x210/0x210
[  245.863254][ T5493]  ? __init_swait_queue_head+0xa5/0x150
[  245.869032][ T5493]  gfs2_sys_fs_add+0x234/0x480
[  245.873893][ T5493]  ? gfs2_recover_set+0x240/0x240
[  245.879001][ T5493]  ? snprintf+0xd7/0x120
[  245.883235][ T5493]  ? __free_pages+0x95/0x1a0
[  245.887867][ T5493]  ? vscnprintf+0x80/0x80
[  245.892391][ T5493]  gfs2_fill_super+0x128d/0x1f50
[  245.897338][ T5493]  ? gfs2_reconfigure+0xcd0/0xcd0
[  245.902449][ T5493]  ? preempt_count_add+0x8d/0x190
[  245.907471][ T5493]  ? sb_set_blocksize+0xa5/0xe0
[  245.912379][ T5493]  get_tree_bdev+0x3f1/0x610
[  245.916970][ T5493]  ? gfs2_reconfigure+0xcd0/0xcd0
[  245.921983][ T5493]  gfs2_get_tree+0x4d/0x1e0
[  245.926481][ T5493]  vfs_get_tree+0x88/0x270
[  245.931001][ T5493]  do_new_mount+0x24a/0xa40
[  245.935513][ T5493]  __se_sys_mount+0x2d6/0x3c0
[  245.940227][ T5493]  ? __x64_sys_mount+0xc0/0xc0
[  245.945204][ T5493]  ? lockdep_hardirqs_on+0x94/0x140
[  245.950490][ T5493]  ? __x64_sys_mount+0x1c/0xc0
[  245.955260][ T5493]  do_syscall_64+0x4c/0xa0
[  245.959659][ T5493]  ? clear_bhb_loop+0x30/0x80
[  245.964337][ T5493]  ? clear_bhb_loop+0x30/0x80
[  245.968996][ T5493]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  245.974870][ T5493] RIP: 0033:0x7fbae782f76a
[  245.979268][ T5493] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  245.999049][ T5493] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.007510][ T5493] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  246.015467][ T5493] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  246.023426][ T5493] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  246.031386][ T5493] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  246.039436][ T5493] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  246.047425][ T5493]  </TASK>
[  246.051635][ T5493] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.065157][ T5493] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  246.403948][ T5495] loop1: detected capacity change from 0 to 32768
[  246.420678][ T5495] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.428301][ T5495] CPU: 0 PID: 5495 Comm: syz.1.201 Not tainted syzkaller #0
[  246.435681][ T5495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  246.445763][ T5495] Call Trace:
[  246.449060][ T5495]  <TASK>
[  246.452011][ T5495]  dump_stack_lvl+0x168/0x230
[  246.456806][ T5495]  ? show_regs_print_info+0x20/0x20
[  246.462017][ T5495]  ? load_image+0x3b0/0x3b0
[  246.466660][ T5495]  sysfs_create_dir_ns+0x252/0x280
[  246.471911][ T5495]  ? __lock_acquire+0x7c60/0x7c60
[  246.477040][ T5495]  ? sysfs_warn_dup+0xa0/0xa0
[  246.481737][ T5495]  ? do_raw_spin_unlock+0x11d/0x230
[  246.486954][ T5495]  kobject_add_internal+0x662/0xd00
[  246.492197][ T5495]  kobject_init_and_add+0x122/0x190
[  246.497409][ T5495]  ? lockdep_softirqs_off+0x420/0x420
[  246.502796][ T5495]  ? kobject_add+0x210/0x210
[  246.507399][ T5495]  ? __init_swait_queue_head+0xa5/0x150
[  246.513029][ T5495]  gfs2_sys_fs_add+0x234/0x480
[  246.517806][ T5495]  ? gfs2_recover_set+0x240/0x240
[  246.522809][ T5495]  ? snprintf+0xd7/0x120
[  246.527045][ T5495]  ? __free_pages+0x95/0x1a0
[  246.531617][ T5495]  ? vscnprintf+0x80/0x80
[  246.536211][ T5495]  gfs2_fill_super+0x128d/0x1f50
[  246.541142][ T5495]  ? gfs2_reconfigure+0xcd0/0xcd0
[  246.546163][ T5495]  ? preempt_count_add+0x8d/0x190
[  246.551180][ T5495]  ? sb_set_blocksize+0xa5/0xe0
[  246.556017][ T5495]  get_tree_bdev+0x3f1/0x610
[  246.560598][ T5495]  ? gfs2_reconfigure+0xcd0/0xcd0
[  246.565606][ T5495]  gfs2_get_tree+0x4d/0x1e0
[  246.570188][ T5495]  vfs_get_tree+0x88/0x270
[  246.574590][ T5495]  do_new_mount+0x24a/0xa40
[  246.579167][ T5495]  __se_sys_mount+0x2d6/0x3c0
[  246.584003][ T5495]  ? __x64_sys_mount+0xc0/0xc0
[  246.588847][ T5495]  ? lockdep_hardirqs_on+0x94/0x140
[  246.594130][ T5495]  ? __x64_sys_mount+0x1c/0xc0
[  246.598911][ T5495]  do_syscall_64+0x4c/0xa0
[  246.603412][ T5495]  ? clear_bhb_loop+0x30/0x80
[  246.608096][ T5495]  ? clear_bhb_loop+0x30/0x80
[  246.612848][ T5495]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  246.619030][ T5495] RIP: 0033:0x7fbae782f76a
[  246.623590][ T5495] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  246.643365][ T5495] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.651884][ T5495] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  246.659869][ T5495] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  246.667858][ T5495] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  246.675823][ T5495] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  246.684045][ T5495] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  246.692016][ T5495]  </TASK>
[  246.696327][ T5495] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.709496][ T5495] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  247.049951][ T5497] loop1: detected capacity change from 0 to 32768
[  247.099213][ T5497] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  247.106894][ T5497] CPU: 0 PID: 5497 Comm: syz.1.202 Not tainted syzkaller #0
[  247.114466][ T5497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  247.124717][ T5497] Call Trace:
[  247.128013][ T5497]  <TASK>
[  247.131327][ T5497]  dump_stack_lvl+0x168/0x230
[  247.136035][ T5497]  ? show_regs_print_info+0x20/0x20
[  247.141346][ T5497]  ? load_image+0x3b0/0x3b0
[  247.145875][ T5497]  sysfs_create_dir_ns+0x252/0x280
[  247.151001][ T5497]  ? __lock_acquire+0x7c60/0x7c60
[  247.156035][ T5497]  ? sysfs_warn_dup+0xa0/0xa0
[  247.160814][ T5497]  ? do_raw_spin_unlock+0x11d/0x230
[  247.166035][ T5497]  kobject_add_internal+0x662/0xd00
[  247.171278][ T5497]  kobject_init_and_add+0x122/0x190
[  247.176492][ T5497]  ? lockdep_softirqs_off+0x420/0x420
[  247.181903][ T5497]  ? kobject_add+0x210/0x210
[  247.186589][ T5497]  ? __init_swait_queue_head+0xa5/0x150
[  247.192122][ T5497]  gfs2_sys_fs_add+0x234/0x480
[  247.196898][ T5497]  ? gfs2_recover_set+0x240/0x240
[  247.201904][ T5497]  ? snprintf+0xd7/0x120
[  247.206133][ T5497]  ? __free_pages+0x95/0x1a0
[  247.210706][ T5497]  ? vscnprintf+0x80/0x80
[  247.215027][ T5497]  gfs2_fill_super+0x128d/0x1f50
[  247.220150][ T5497]  ? gfs2_reconfigure+0xcd0/0xcd0
[  247.225190][ T5497]  ? preempt_count_add+0x8d/0x190
[  247.230250][ T5497]  ? sb_set_blocksize+0xa5/0xe0
[  247.235091][ T5497]  get_tree_bdev+0x3f1/0x610
[  247.239672][ T5497]  ? gfs2_reconfigure+0xcd0/0xcd0
[  247.244684][ T5497]  gfs2_get_tree+0x4d/0x1e0
[  247.249256][ T5497]  vfs_get_tree+0x88/0x270
[  247.253662][ T5497]  do_new_mount+0x24a/0xa40
[  247.258158][ T5497]  __se_sys_mount+0x2d6/0x3c0
[  247.262835][ T5497]  ? __x64_sys_mount+0xc0/0xc0
[  247.267681][ T5497]  ? lockdep_hardirqs_on+0x94/0x140
[  247.272871][ T5497]  ? __x64_sys_mount+0x1c/0xc0
[  247.277616][ T5497]  do_syscall_64+0x4c/0xa0
[  247.282272][ T5497]  ? clear_bhb_loop+0x30/0x80
[  247.286952][ T5497]  ? clear_bhb_loop+0x30/0x80
[  247.291630][ T5497]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  247.297633][ T5497] RIP: 0033:0x7fbae782f76a
[  247.302042][ T5497] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  247.321641][ T5497] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.330157][ T5497] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  247.338353][ T5497] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  247.346330][ T5497] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  247.354291][ T5497] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  247.362251][ T5497] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  247.370303][ T5497]  </TASK>
[  247.374006][ T5497] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.387542][ T5497] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  247.517822][ T5057] Bluetooth: hci1: command 0x0406 tx timeout
2025/12/22 06:11:30 executed programs: 188
[  247.719044][ T5499] loop1: detected capacity change from 0 to 32768
[  247.769493][ T5499] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  247.776909][ T5499] CPU: 1 PID: 5499 Comm: syz.1.203 Not tainted syzkaller #0
[  247.784291][ T5499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  247.794484][ T5499] Call Trace:
[  247.797796][ T5499]  <TASK>
[  247.800743][ T5499]  dump_stack_lvl+0x168/0x230
[  247.805442][ T5499]  ? show_regs_print_info+0x20/0x20
[  247.810743][ T5499]  ? load_image+0x3b0/0x3b0
[  247.815454][ T5499]  sysfs_create_dir_ns+0x252/0x280
[  247.820706][ T5499]  ? __lock_acquire+0x7c60/0x7c60
[  247.825749][ T5499]  ? sysfs_warn_dup+0xa0/0xa0
[  247.830442][ T5499]  ? do_raw_spin_unlock+0x11d/0x230
[  247.835650][ T5499]  kobject_add_internal+0x662/0xd00
[  247.840875][ T5499]  kobject_init_and_add+0x122/0x190
[  247.846169][ T5499]  ? lockdep_softirqs_off+0x420/0x420
[  247.851542][ T5499]  ? kobject_add+0x210/0x210
[  247.856126][ T5499]  ? __init_swait_queue_head+0xa5/0x150
[  247.861662][ T5499]  gfs2_sys_fs_add+0x234/0x480
[  247.866599][ T5499]  ? gfs2_recover_set+0x240/0x240
[  247.871610][ T5499]  ? snprintf+0xd7/0x120
[  247.875842][ T5499]  ? __free_pages+0x95/0x1a0
[  247.880603][ T5499]  ? vscnprintf+0x80/0x80
[  247.884923][ T5499]  gfs2_fill_super+0x128d/0x1f50
[  247.889850][ T5499]  ? gfs2_reconfigure+0xcd0/0xcd0
[  247.894898][ T5499]  ? preempt_count_add+0x8d/0x190
[  247.899929][ T5499]  ? sb_set_blocksize+0xa5/0xe0
[  247.904760][ T5499]  get_tree_bdev+0x3f1/0x610
[  247.909350][ T5499]  ? gfs2_reconfigure+0xcd0/0xcd0
[  247.914369][ T5499]  gfs2_get_tree+0x4d/0x1e0
[  247.918881][ T5499]  vfs_get_tree+0x88/0x270
[  247.923305][ T5499]  do_new_mount+0x24a/0xa40
[  247.927807][ T5499]  __se_sys_mount+0x2d6/0x3c0
[  247.932652][ T5499]  ? __x64_sys_mount+0xc0/0xc0
[  247.937397][ T5499]  ? lockdep_hardirqs_on+0x94/0x140
[  247.942578][ T5499]  ? __x64_sys_mount+0x1c/0xc0
[  247.947337][ T5499]  do_syscall_64+0x4c/0xa0
[  247.951746][ T5499]  ? clear_bhb_loop+0x30/0x80
[  247.956417][ T5499]  ? clear_bhb_loop+0x30/0x80
[  247.961086][ T5499]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  247.967054][ T5499] RIP: 0033:0x7fbae782f76a
[  247.971555][ T5499] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  247.991236][ T5499] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.999636][ T5499] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  248.007598][ T5499] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  248.015561][ T5499] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  248.023622][ T5499] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  248.031689][ T5499] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  248.039843][ T5499]  </TASK>
[  248.044763][ T5499] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  248.058639][ T5499] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  248.396137][ T5501] loop1: detected capacity change from 0 to 32768
[  248.479903][ T5501] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.489802][ T5501] CPU: 1 PID: 5501 Comm: syz.1.204 Not tainted syzkaller #0
[  248.497128][ T5501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  248.507296][ T5501] Call Trace:
[  248.510582][ T5501]  <TASK>
[  248.513524][ T5501]  dump_stack_lvl+0x168/0x230
[  248.518220][ T5501]  ? show_regs_print_info+0x20/0x20
[  248.523436][ T5501]  ? load_image+0x3b0/0x3b0
[  248.527967][ T5501]  sysfs_create_dir_ns+0x252/0x280
[  248.533099][ T5501]  ? __lock_acquire+0x7c60/0x7c60
[  248.538132][ T5501]  ? sysfs_warn_dup+0xa0/0xa0
[  248.542804][ T5501]  ? do_raw_spin_unlock+0x11d/0x230
[  248.548208][ T5501]  kobject_add_internal+0x662/0xd00
[  248.553409][ T5501]  kobject_init_and_add+0x122/0x190
[  248.558597][ T5501]  ? lockdep_softirqs_off+0x420/0x420
[  248.564000][ T5501]  ? kobject_add+0x210/0x210
[  248.568590][ T5501]  ? __init_swait_queue_head+0xa5/0x150
[  248.574141][ T5501]  gfs2_sys_fs_add+0x234/0x480
[  248.578897][ T5501]  ? gfs2_recover_set+0x240/0x240
[  248.584165][ T5501]  ? snprintf+0xd7/0x120
[  248.588396][ T5501]  ? __free_pages+0x95/0x1a0
[  248.593201][ T5501]  ? vscnprintf+0x80/0x80
[  248.597518][ T5501]  gfs2_fill_super+0x128d/0x1f50
[  248.602782][ T5501]  ? gfs2_reconfigure+0xcd0/0xcd0
[  248.607860][ T5501]  ? preempt_count_add+0x8d/0x190
[  248.612989][ T5501]  ? sb_set_blocksize+0xa5/0xe0
[  248.617995][ T5501]  get_tree_bdev+0x3f1/0x610
[  248.622597][ T5501]  ? gfs2_reconfigure+0xcd0/0xcd0
[  248.627728][ T5501]  gfs2_get_tree+0x4d/0x1e0
[  248.632246][ T5501]  vfs_get_tree+0x88/0x270
[  248.636661][ T5501]  do_new_mount+0x24a/0xa40
[  248.641369][ T5501]  __se_sys_mount+0x2d6/0x3c0
[  248.646051][ T5501]  ? __x64_sys_mount+0xc0/0xc0
[  248.650881][ T5501]  ? lockdep_hardirqs_on+0x94/0x140
[  248.656068][ T5501]  ? __x64_sys_mount+0x1c/0xc0
[  248.660818][ T5501]  do_syscall_64+0x4c/0xa0
[  248.665221][ T5501]  ? clear_bhb_loop+0x30/0x80
[  248.669885][ T5501]  ? clear_bhb_loop+0x30/0x80
[  248.674546][ T5501]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  248.680416][ T5501] RIP: 0033:0x7fbae782f76a
[  248.684899][ T5501] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  248.704583][ T5501] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.713076][ T5501] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  248.721043][ T5501] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  248.729022][ T5501] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  248.737000][ T5501] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  248.745051][ T5501] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  248.753118][ T5501]  </TASK>
[  248.757346][ T5501] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  248.771208][ T5501] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  249.088611][ T5503] loop1: detected capacity change from 0 to 32768
[  249.155948][ T5503] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  249.163626][ T5503] CPU: 1 PID: 5503 Comm: syz.1.205 Not tainted syzkaller #0
[  249.170929][ T5503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  249.180997][ T5503] Call Trace:
[  249.184285][ T5503]  <TASK>
[  249.187293][ T5503]  dump_stack_lvl+0x168/0x230
[  249.192270][ T5503]  ? show_regs_print_info+0x20/0x20
[  249.197503][ T5503]  ? load_image+0x3b0/0x3b0
[  249.202032][ T5503]  sysfs_create_dir_ns+0x252/0x280
[  249.207454][ T5503]  ? __lock_acquire+0x7c60/0x7c60
[  249.212495][ T5503]  ? sysfs_warn_dup+0xa0/0xa0
[  249.217194][ T5503]  ? do_raw_spin_unlock+0x11d/0x230
[  249.222412][ T5503]  kobject_add_internal+0x662/0xd00
[  249.227645][ T5503]  kobject_init_and_add+0x122/0x190
[  249.232948][ T5503]  ? lockdep_softirqs_off+0x420/0x420
[  249.238319][ T5503]  ? kobject_add+0x210/0x210
[  249.243187][ T5503]  ? __init_swait_queue_head+0xa5/0x150
[  249.248825][ T5503]  gfs2_sys_fs_add+0x234/0x480
[  249.253582][ T5503]  ? gfs2_recover_set+0x240/0x240
[  249.258612][ T5503]  ? snprintf+0xd7/0x120
[  249.262886][ T5503]  ? __free_pages+0x95/0x1a0
[  249.267473][ T5503]  ? vscnprintf+0x80/0x80
[  249.271800][ T5503]  gfs2_fill_super+0x128d/0x1f50
[  249.276747][ T5503]  ? gfs2_reconfigure+0xcd0/0xcd0
[  249.281770][ T5503]  ? preempt_count_add+0x8d/0x190
[  249.286873][ T5503]  ? sb_set_blocksize+0xa5/0xe0
[  249.291716][ T5503]  get_tree_bdev+0x3f1/0x610
[  249.296441][ T5503]  ? gfs2_reconfigure+0xcd0/0xcd0
[  249.301462][ T5503]  gfs2_get_tree+0x4d/0x1e0
[  249.305952][ T5503]  vfs_get_tree+0x88/0x270
[  249.310521][ T5503]  do_new_mount+0x24a/0xa40
[  249.315056][ T5503]  __se_sys_mount+0x2d6/0x3c0
[  249.319910][ T5503]  ? __x64_sys_mount+0xc0/0xc0
[  249.324971][ T5503]  ? lockdep_hardirqs_on+0x94/0x140
[  249.330260][ T5503]  ? __x64_sys_mount+0x1c/0xc0
[  249.335025][ T5503]  do_syscall_64+0x4c/0xa0
[  249.339517][ T5503]  ? clear_bhb_loop+0x30/0x80
[  249.344182][ T5503]  ? clear_bhb_loop+0x30/0x80
[  249.349045][ T5503]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  249.354925][ T5503] RIP: 0033:0x7fbae782f76a
[  249.359324][ T5503] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  249.379004][ T5503] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  249.387523][ T5503] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  249.395483][ T5503] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  249.403529][ T5503] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  249.411484][ T5503] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  249.419444][ T5503] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  249.427427][ T5503]  </TASK>
[  249.431796][ T5503] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  249.445321][ T5503] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  249.749548][ T5505] loop1: detected capacity change from 0 to 32768
[  249.800056][ T5505] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  249.807950][ T5505] CPU: 1 PID: 5505 Comm: syz.1.206 Not tainted syzkaller #0
[  249.815354][ T5505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  249.825507][ T5505] Call Trace:
[  249.828824][ T5505]  <TASK>
[  249.831866][ T5505]  dump_stack_lvl+0x168/0x230
[  249.836557][ T5505]  ? show_regs_print_info+0x20/0x20
[  249.841825][ T5505]  ? load_image+0x3b0/0x3b0
[  249.846349][ T5505]  sysfs_create_dir_ns+0x252/0x280
[  249.851470][ T5505]  ? __lock_acquire+0x7c60/0x7c60
[  249.856606][ T5505]  ? sysfs_warn_dup+0xa0/0xa0
[  249.861396][ T5505]  ? do_raw_spin_unlock+0x11d/0x230
[  249.866620][ T5505]  kobject_add_internal+0x662/0xd00
[  249.871831][ T5505]  kobject_init_and_add+0x122/0x190
[  249.877109][ T5505]  ? lockdep_softirqs_off+0x420/0x420
[  249.882467][ T5505]  ? kobject_add+0x210/0x210
[  249.887037][ T5505]  ? __init_swait_queue_head+0xa5/0x150
[  249.892575][ T5505]  gfs2_sys_fs_add+0x234/0x480
[  249.897330][ T5505]  ? gfs2_recover_set+0x240/0x240
[  249.902330][ T5505]  ? snprintf+0xd7/0x120
[  249.906557][ T5505]  ? __free_pages+0x95/0x1a0
[  249.911129][ T5505]  ? vscnprintf+0x80/0x80
[  249.915445][ T5505]  gfs2_fill_super+0x128d/0x1f50
[  249.920382][ T5505]  ? gfs2_reconfigure+0xcd0/0xcd0
[  249.925408][ T5505]  ? preempt_count_add+0x8d/0x190
[  249.930429][ T5505]  ? sb_set_blocksize+0xa5/0xe0
[  249.935448][ T5505]  get_tree_bdev+0x3f1/0x610
[  249.940123][ T5505]  ? gfs2_reconfigure+0xcd0/0xcd0
[  249.945229][ T5505]  gfs2_get_tree+0x4d/0x1e0
[  249.949846][ T5505]  vfs_get_tree+0x88/0x270
[  249.954254][ T5505]  do_new_mount+0x24a/0xa40
[  249.958844][ T5505]  __se_sys_mount+0x2d6/0x3c0
[  249.963533][ T5505]  ? __x64_sys_mount+0xc0/0xc0
[  249.968293][ T5505]  ? lockdep_hardirqs_on+0x94/0x140
[  249.973493][ T5505]  ? __x64_sys_mount+0x1c/0xc0
[  249.978248][ T5505]  do_syscall_64+0x4c/0xa0
[  249.982665][ T5505]  ? clear_bhb_loop+0x30/0x80
[  249.987340][ T5505]  ? clear_bhb_loop+0x30/0x80
[  249.992234][ T5505]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  249.998135][ T5505] RIP: 0033:0x7fbae782f76a
[  250.002540][ T5505] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  250.022337][ T5505] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.030762][ T5505] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  250.038807][ T5505] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  250.047183][ T5505] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  250.055156][ T5505] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  250.063199][ T5505] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  250.071250][ T5505]  </TASK>
[  250.075728][ T5505] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  250.089004][ T5505] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  250.387471][ T5507] loop1: detected capacity change from 0 to 32768
[  250.423085][ T5507] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.430721][ T5507] CPU: 0 PID: 5507 Comm: syz.1.207 Not tainted syzkaller #0
[  250.438118][ T5507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  250.448274][ T5507] Call Trace:
[  250.451568][ T5507]  <TASK>
[  250.454514][ T5507]  dump_stack_lvl+0x168/0x230
[  250.459215][ T5507]  ? show_regs_print_info+0x20/0x20
[  250.464517][ T5507]  ? load_image+0x3b0/0x3b0
[  250.469055][ T5507]  sysfs_create_dir_ns+0x252/0x280
[  250.474192][ T5507]  ? __lock_acquire+0x7c60/0x7c60
[  250.479338][ T5507]  ? sysfs_warn_dup+0xa0/0xa0
[  250.484047][ T5507]  ? do_raw_spin_unlock+0x11d/0x230
[  250.489265][ T5507]  kobject_add_internal+0x662/0xd00
[  250.494482][ T5507]  kobject_init_and_add+0x122/0x190
[  250.499693][ T5507]  ? lockdep_softirqs_off+0x420/0x420
[  250.505232][ T5507]  ? kobject_add+0x210/0x210
[  250.509851][ T5507]  ? __init_swait_queue_head+0xa5/0x150
[  250.515409][ T5507]  gfs2_sys_fs_add+0x234/0x480
[  250.520249][ T5507]  ? gfs2_recover_set+0x240/0x240
[  250.525291][ T5507]  ? snprintf+0xd7/0x120
[  250.529526][ T5507]  ? __free_pages+0x95/0x1a0
[  250.534524][ T5507]  ? vscnprintf+0x80/0x80
[  250.538887][ T5507]  gfs2_fill_super+0x128d/0x1f50
[  250.543852][ T5507]  ? gfs2_reconfigure+0xcd0/0xcd0
[  250.548969][ T5507]  ? preempt_count_add+0x8d/0x190
[  250.554002][ T5507]  ? sb_set_blocksize+0xa5/0xe0
[  250.558857][ T5507]  get_tree_bdev+0x3f1/0x610
[  250.563435][ T5507]  ? gfs2_reconfigure+0xcd0/0xcd0
[  250.568441][ T5507]  gfs2_get_tree+0x4d/0x1e0
[  250.573031][ T5507]  vfs_get_tree+0x88/0x270
[  250.577449][ T5507]  do_new_mount+0x24a/0xa40
[  250.582105][ T5507]  __se_sys_mount+0x2d6/0x3c0
[  250.586933][ T5507]  ? __x64_sys_mount+0xc0/0xc0
[  250.591814][ T5507]  ? lockdep_hardirqs_on+0x94/0x140
[  250.597197][ T5507]  ? __x64_sys_mount+0x1c/0xc0
[  250.602354][ T5507]  do_syscall_64+0x4c/0xa0
[  250.606772][ T5507]  ? clear_bhb_loop+0x30/0x80
[  250.611642][ T5507]  ? clear_bhb_loop+0x30/0x80
[  250.616399][ T5507]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  250.622362][ T5507] RIP: 0033:0x7fbae782f76a
[  250.626944][ T5507] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  250.647057][ T5507] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.655471][ T5507] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  250.663616][ T5507] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  250.671686][ T5507] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  250.679907][ T5507] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  250.687899][ T5507] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  250.695882][ T5507]  </TASK>
[  250.702390][ T5507] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  250.715800][ T5507] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  251.038666][ T5509] loop1: detected capacity change from 0 to 32768
[  251.077186][ T5509] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  251.084672][ T5509] CPU: 0 PID: 5509 Comm: syz.1.208 Not tainted syzkaller #0
[  251.092055][ T5509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  251.102298][ T5509] Call Trace:
[  251.105646][ T5509]  <TASK>
[  251.108669][ T5509]  dump_stack_lvl+0x168/0x230
[  251.113456][ T5509]  ? show_regs_print_info+0x20/0x20
[  251.118766][ T5509]  ? load_image+0x3b0/0x3b0
[  251.123305][ T5509]  sysfs_create_dir_ns+0x252/0x280
[  251.128707][ T5509]  ? __lock_acquire+0x7c60/0x7c60
[  251.133837][ T5509]  ? sysfs_warn_dup+0xa0/0xa0
[  251.138538][ T5509]  ? do_raw_spin_unlock+0x11d/0x230
[  251.143757][ T5509]  kobject_add_internal+0x662/0xd00
[  251.149068][ T5509]  kobject_init_and_add+0x122/0x190
[  251.154363][ T5509]  ? lockdep_softirqs_off+0x420/0x420
[  251.159936][ T5509]  ? kobject_add+0x210/0x210
[  251.164757][ T5509]  ? __init_swait_queue_head+0xa5/0x150
[  251.170320][ T5509]  gfs2_sys_fs_add+0x234/0x480
[  251.175087][ T5509]  ? gfs2_recover_set+0x240/0x240
[  251.180092][ T5509]  ? snprintf+0xd7/0x120
[  251.184316][ T5509]  ? __free_pages+0x95/0x1a0
[  251.188901][ T5509]  ? vscnprintf+0x80/0x80
[  251.193244][ T5509]  gfs2_fill_super+0x128d/0x1f50
[  251.198186][ T5509]  ? gfs2_reconfigure+0xcd0/0xcd0
[  251.203221][ T5509]  ? preempt_count_add+0x8d/0x190
[  251.208257][ T5509]  ? sb_set_blocksize+0xa5/0xe0
[  251.213101][ T5509]  get_tree_bdev+0x3f1/0x610
[  251.217829][ T5509]  ? gfs2_reconfigure+0xcd0/0xcd0
[  251.222857][ T5509]  gfs2_get_tree+0x4d/0x1e0
[  251.227385][ T5509]  vfs_get_tree+0x88/0x270
[  251.232055][ T5509]  do_new_mount+0x24a/0xa40
[  251.236568][ T5509]  __se_sys_mount+0x2d6/0x3c0
[  251.241235][ T5509]  ? __x64_sys_mount+0xc0/0xc0
[  251.246077][ T5509]  ? lockdep_hardirqs_on+0x94/0x140
[  251.251257][ T5509]  ? __x64_sys_mount+0x1c/0xc0
[  251.256002][ T5509]  do_syscall_64+0x4c/0xa0
[  251.260398][ T5509]  ? clear_bhb_loop+0x30/0x80
[  251.265154][ T5509]  ? clear_bhb_loop+0x30/0x80
[  251.269814][ T5509]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  251.276065][ T5509] RIP: 0033:0x7fbae782f76a
[  251.280462][ T5509] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  251.300141][ T5509] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.308543][ T5509] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  251.316609][ T5509] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  251.324662][ T5509] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  251.332900][ T5509] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  251.341037][ T5509] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  251.349015][ T5509]  </TASK>
[  251.353265][ T5509] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.366468][ T5509] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  251.714888][ T5511] loop1: detected capacity change from 0 to 32768
[  251.768408][ T5511] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  251.776024][ T5511] CPU: 0 PID: 5511 Comm: syz.1.209 Not tainted syzkaller #0
[  251.783501][ T5511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  251.793939][ T5511] Call Trace:
[  251.797226][ T5511]  <TASK>
[  251.800273][ T5511]  dump_stack_lvl+0x168/0x230
[  251.804975][ T5511]  ? show_regs_print_info+0x20/0x20
[  251.810187][ T5511]  ? load_image+0x3b0/0x3b0
[  251.814717][ T5511]  sysfs_create_dir_ns+0x252/0x280
[  251.819855][ T5511]  ? __lock_acquire+0x7c60/0x7c60
[  251.824978][ T5511]  ? sysfs_warn_dup+0xa0/0xa0
[  251.829676][ T5511]  ? do_raw_spin_unlock+0x11d/0x230
[  251.834899][ T5511]  kobject_add_internal+0x662/0xd00
[  251.840225][ T5511]  kobject_init_and_add+0x122/0x190
[  251.845537][ T5511]  ? lockdep_softirqs_off+0x420/0x420
[  251.850909][ T5511]  ? kobject_add+0x210/0x210
[  251.855504][ T5511]  ? __init_swait_queue_head+0xa5/0x150
[  251.861208][ T5511]  gfs2_sys_fs_add+0x234/0x480
[  251.865968][ T5511]  ? gfs2_recover_set+0x240/0x240
[  251.870971][ T5511]  ? snprintf+0xd7/0x120
[  251.875190][ T5511]  ? __free_pages+0x95/0x1a0
[  251.879853][ T5511]  ? vscnprintf+0x80/0x80
[  251.884197][ T5511]  gfs2_fill_super+0x128d/0x1f50
[  251.889141][ T5511]  ? gfs2_reconfigure+0xcd0/0xcd0
[  251.894183][ T5511]  ? preempt_count_add+0x8d/0x190
[  251.899207][ T5511]  ? sb_set_blocksize+0xa5/0xe0
[  251.904243][ T5511]  get_tree_bdev+0x3f1/0x610
[  251.908919][ T5511]  ? gfs2_reconfigure+0xcd0/0xcd0
[  251.914070][ T5511]  gfs2_get_tree+0x4d/0x1e0
[  251.918669][ T5511]  vfs_get_tree+0x88/0x270
[  251.923393][ T5511]  do_new_mount+0x24a/0xa40
[  251.927912][ T5511]  __se_sys_mount+0x2d6/0x3c0
[  251.932764][ T5511]  ? __x64_sys_mount+0xc0/0xc0
[  251.937521][ T5511]  ? lockdep_hardirqs_on+0x94/0x140
[  251.942717][ T5511]  ? __x64_sys_mount+0x1c/0xc0
[  251.947517][ T5511]  do_syscall_64+0x4c/0xa0
[  251.951917][ T5511]  ? clear_bhb_loop+0x30/0x80
[  251.956571][ T5511]  ? clear_bhb_loop+0x30/0x80
[  251.961250][ T5511]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  251.967219][ T5511] RIP: 0033:0x7fbae782f76a
[  251.971704][ T5511] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  251.991397][ T5511] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.000039][ T5511] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  252.008103][ T5511] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  252.016175][ T5511] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  252.024221][ T5511] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  252.032189][ T5511] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  252.040171][ T5511]  </TASK>
[  252.044435][ T5511] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.057979][ T5511] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.385148][ T5513] loop1: detected capacity change from 0 to 32768
[  252.443854][ T5513] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.457976][ T5513] CPU: 1 PID: 5513 Comm: syz.1.210 Not tainted syzkaller #0
[  252.465302][ T5513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  252.475568][ T5513] Call Trace:
[  252.479041][ T5513]  <TASK>
[  252.482189][ T5513]  dump_stack_lvl+0x168/0x230
[  252.486891][ T5513]  ? show_regs_print_info+0x20/0x20
[  252.492117][ T5513]  ? load_image+0x3b0/0x3b0
[  252.496648][ T5513]  sysfs_create_dir_ns+0x252/0x280
[  252.501779][ T5513]  ? __lock_acquire+0x7c60/0x7c60
[  252.506822][ T5513]  ? sysfs_warn_dup+0xa0/0xa0
[  252.511618][ T5513]  ? do_raw_spin_unlock+0x11d/0x230
[  252.516852][ T5513]  kobject_add_internal+0x662/0xd00
[  252.522068][ T5513]  kobject_init_and_add+0x122/0x190
[  252.527278][ T5513]  ? lockdep_softirqs_off+0x420/0x420
[  252.532644][ T5513]  ? kobject_add+0x210/0x210
[  252.537222][ T5513]  ? __init_swait_queue_head+0xa5/0x150
[  252.542782][ T5513]  gfs2_sys_fs_add+0x234/0x480
[  252.547574][ T5513]  ? gfs2_recover_set+0x240/0x240
[  252.552589][ T5513]  ? snprintf+0xd7/0x120
[  252.556907][ T5513]  ? __free_pages+0x95/0x1a0
[  252.561588][ T5513]  ? vscnprintf+0x80/0x80
[  252.565969][ T5513]  gfs2_fill_super+0x128d/0x1f50
[  252.570905][ T5513]  ? gfs2_reconfigure+0xcd0/0xcd0
[  252.575918][ T5513]  ? preempt_count_add+0x8d/0x190
[  252.581052][ T5513]  ? sb_set_blocksize+0xa5/0xe0
[  252.585994][ T5513]  get_tree_bdev+0x3f1/0x610
[  252.590634][ T5513]  ? gfs2_reconfigure+0xcd0/0xcd0
[  252.595824][ T5513]  gfs2_get_tree+0x4d/0x1e0
[  252.600402][ T5513]  vfs_get_tree+0x88/0x270
[  252.605267][ T5513]  do_new_mount+0x24a/0xa40
[  252.609806][ T5513]  __se_sys_mount+0x2d6/0x3c0
[  252.614699][ T5513]  ? __x64_sys_mount+0xc0/0xc0
[  252.619478][ T5513]  ? lockdep_hardirqs_on+0x94/0x140
[  252.624718][ T5513]  ? __x64_sys_mount+0x1c/0xc0
[  252.629482][ T5513]  do_syscall_64+0x4c/0xa0
[  252.633973][ T5513]  ? clear_bhb_loop+0x30/0x80
[  252.638638][ T5513]  ? clear_bhb_loop+0x30/0x80
[  252.643320][ T5513]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  252.649195][ T5513] RIP: 0033:0x7fbae782f76a
[  252.653606][ T5513] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  252.673292][ T5513] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.681879][ T5513] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  252.690191][ T5513] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  252.698426][ T5513] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  252.706426][ T5513] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  252.714396][ T5513] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  252.722374][ T5513]  </TASK>
[  252.726825][ T5513] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.740106][ T5513] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/22 06:11:35 executed programs: 196
[  253.062586][ T5515] loop1: detected capacity change from 0 to 32768
[  253.161233][ T5515] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.177921][ T5515] CPU: 1 PID: 5515 Comm: syz.1.211 Not tainted syzkaller #0
[  253.185337][ T5515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  253.195503][ T5515] Call Trace:
[  253.198804][ T5515]  <TASK>
[  253.201749][ T5515]  dump_stack_lvl+0x168/0x230
[  253.206634][ T5515]  ? show_regs_print_info+0x20/0x20
[  253.211848][ T5515]  ? load_image+0x3b0/0x3b0
[  253.216366][ T5515]  sysfs_create_dir_ns+0x252/0x280
[  253.221475][ T5515]  ? __lock_acquire+0x7c60/0x7c60
[  253.226487][ T5515]  ? sysfs_warn_dup+0xa0/0xa0
[  253.231146][ T5515]  ? do_raw_spin_unlock+0x11d/0x230
[  253.236638][ T5515]  kobject_add_internal+0x662/0xd00
[  253.241955][ T5515]  kobject_init_and_add+0x122/0x190
[  253.247233][ T5515]  ? lockdep_softirqs_off+0x420/0x420
[  253.252607][ T5515]  ? kobject_add+0x210/0x210
[  253.257277][ T5515]  ? __init_swait_queue_head+0xa5/0x150
[  253.262806][ T5515]  gfs2_sys_fs_add+0x234/0x480
[  253.267820][ T5515]  ? gfs2_recover_set+0x240/0x240
[  253.272940][ T5515]  ? snprintf+0xd7/0x120
[  253.277178][ T5515]  ? __free_pages+0x95/0x1a0
[  253.281855][ T5515]  ? vscnprintf+0x80/0x80
[  253.286273][ T5515]  gfs2_fill_super+0x128d/0x1f50
[  253.291316][ T5515]  ? gfs2_reconfigure+0xcd0/0xcd0
[  253.296336][ T5515]  ? preempt_count_add+0x8d/0x190
[  253.301349][ T5515]  ? sb_set_blocksize+0xa5/0xe0
[  253.306189][ T5515]  get_tree_bdev+0x3f1/0x610
[  253.310764][ T5515]  ? gfs2_reconfigure+0xcd0/0xcd0
[  253.315773][ T5515]  gfs2_get_tree+0x4d/0x1e0
[  253.320260][ T5515]  vfs_get_tree+0x88/0x270
[  253.324664][ T5515]  do_new_mount+0x24a/0xa40
[  253.329223][ T5515]  __se_sys_mount+0x2d6/0x3c0
[  253.333907][ T5515]  ? __x64_sys_mount+0xc0/0xc0
[  253.338793][ T5515]  ? lockdep_hardirqs_on+0x94/0x140
[  253.344001][ T5515]  ? __x64_sys_mount+0x1c/0xc0
[  253.348851][ T5515]  do_syscall_64+0x4c/0xa0
[  253.353248][ T5515]  ? clear_bhb_loop+0x30/0x80
[  253.357905][ T5515]  ? clear_bhb_loop+0x30/0x80
[  253.362584][ T5515]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  253.368640][ T5515] RIP: 0033:0x7fbae782f76a
[  253.373143][ T5515] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  253.392854][ T5515] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.401258][ T5515] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  253.409407][ T5515] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  253.417609][ T5515] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  253.425574][ T5515] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  253.433625][ T5515] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  253.441804][ T5515]  </TASK>
[  253.446569][ T5515] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.459956][ T5515] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  253.797113][ T5517] loop1: detected capacity change from 0 to 32768
[  253.836070][ T5517] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.843840][ T5517] CPU: 0 PID: 5517 Comm: syz.1.212 Not tainted syzkaller #0
[  253.851160][ T5517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  253.861353][ T5517] Call Trace:
[  253.864642][ T5517]  <TASK>
[  253.867601][ T5517]  dump_stack_lvl+0x168/0x230
[  253.872321][ T5517]  ? show_regs_print_info+0x20/0x20
[  253.877539][ T5517]  ? load_image+0x3b0/0x3b0
[  253.882086][ T5517]  sysfs_create_dir_ns+0x252/0x280
[  253.887220][ T5517]  ? __lock_acquire+0x7c60/0x7c60
[  253.892282][ T5517]  ? sysfs_warn_dup+0xa0/0xa0
[  253.896986][ T5517]  ? do_raw_spin_unlock+0x11d/0x230
[  253.902307][ T5517]  kobject_add_internal+0x662/0xd00
[  253.907526][ T5517]  kobject_init_and_add+0x122/0x190
[  253.912736][ T5517]  ? lockdep_softirqs_off+0x420/0x420
[  253.918224][ T5517]  ? kobject_add+0x210/0x210
[  253.922836][ T5517]  ? __init_swait_queue_head+0xa5/0x150
[  253.928505][ T5517]  gfs2_sys_fs_add+0x234/0x480
[  253.933284][ T5517]  ? gfs2_recover_set+0x240/0x240
[  253.938318][ T5517]  ? snprintf+0xd7/0x120
[  253.942548][ T5517]  ? __free_pages+0x95/0x1a0
[  253.947121][ T5517]  ? vscnprintf+0x80/0x80
[  253.951444][ T5517]  gfs2_fill_super+0x128d/0x1f50
[  253.956383][ T5517]  ? gfs2_reconfigure+0xcd0/0xcd0
[  253.961495][ T5517]  ? preempt_count_add+0x8d/0x190
[  253.966954][ T5517]  ? sb_set_blocksize+0xa5/0xe0
[  253.971884][ T5517]  get_tree_bdev+0x3f1/0x610
[  253.976468][ T5517]  ? gfs2_reconfigure+0xcd0/0xcd0
[  253.981655][ T5517]  gfs2_get_tree+0x4d/0x1e0
[  253.986152][ T5517]  vfs_get_tree+0x88/0x270
[  253.990573][ T5517]  do_new_mount+0x24a/0xa40
[  253.995068][ T5517]  __se_sys_mount+0x2d6/0x3c0
[  253.999732][ T5517]  ? __x64_sys_mount+0xc0/0xc0
[  254.004479][ T5517]  ? lockdep_hardirqs_on+0x94/0x140
[  254.009758][ T5517]  ? __x64_sys_mount+0x1c/0xc0
[  254.014563][ T5517]  do_syscall_64+0x4c/0xa0
[  254.018963][ T5517]  ? clear_bhb_loop+0x30/0x80
[  254.023648][ T5517]  ? clear_bhb_loop+0x30/0x80
[  254.028313][ T5517]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  254.034293][ T5517] RIP: 0033:0x7fbae782f76a
[  254.038699][ T5517] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  254.058295][ T5517] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.066963][ T5517] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  254.074937][ T5517] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  254.082915][ T5517] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  254.091052][ T5517] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  254.099096][ T5517] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  254.107313][ T5517]  </TASK>
[  254.111558][ T5517] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.125211][ T5517] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  254.430269][ T5519] loop1: detected capacity change from 0 to 32768
[  254.519641][ T5519] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.527162][ T5519] CPU: 1 PID: 5519 Comm: syz.1.213 Not tainted syzkaller #0
[  254.534658][ T5519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  254.544917][ T5519] Call Trace:
[  254.548202][ T5519]  <TASK>
[  254.551137][ T5519]  dump_stack_lvl+0x168/0x230
[  254.555852][ T5519]  ? show_regs_print_info+0x20/0x20
[  254.561164][ T5519]  ? load_image+0x3b0/0x3b0
[  254.565879][ T5519]  sysfs_create_dir_ns+0x252/0x280
[  254.571017][ T5519]  ? __lock_acquire+0x7c60/0x7c60
[  254.576064][ T5519]  ? sysfs_warn_dup+0xa0/0xa0
[  254.580760][ T5519]  ? do_raw_spin_unlock+0x11d/0x230
[  254.586058][ T5519]  kobject_add_internal+0x662/0xd00
[  254.591253][ T5519]  kobject_init_and_add+0x122/0x190
[  254.596446][ T5519]  ? lockdep_softirqs_off+0x420/0x420
[  254.601804][ T5519]  ? kobject_add+0x210/0x210
[  254.606493][ T5519]  ? __init_swait_queue_head+0xa5/0x150
[  254.612132][ T5519]  gfs2_sys_fs_add+0x234/0x480
[  254.616892][ T5519]  ? gfs2_recover_set+0x240/0x240
[  254.621997][ T5519]  ? snprintf+0xd7/0x120
[  254.626232][ T5519]  ? __free_pages+0x95/0x1a0
[  254.631001][ T5519]  ? vscnprintf+0x80/0x80
[  254.635422][ T5519]  gfs2_fill_super+0x128d/0x1f50
[  254.640481][ T5519]  ? gfs2_reconfigure+0xcd0/0xcd0
[  254.645494][ T5519]  ? preempt_count_add+0x8d/0x190
[  254.650592][ T5519]  ? sb_set_blocksize+0xa5/0xe0
[  254.655433][ T5519]  get_tree_bdev+0x3f1/0x610
[  254.660010][ T5519]  ? gfs2_reconfigure+0xcd0/0xcd0
[  254.665123][ T5519]  gfs2_get_tree+0x4d/0x1e0
[  254.669612][ T5519]  vfs_get_tree+0x88/0x270
[  254.674027][ T5519]  do_new_mount+0x24a/0xa40
[  254.678514][ T5519]  __se_sys_mount+0x2d6/0x3c0
[  254.683192][ T5519]  ? __x64_sys_mount+0xc0/0xc0
[  254.687955][ T5519]  ? lockdep_hardirqs_on+0x94/0x140
[  254.693139][ T5519]  ? __x64_sys_mount+0x1c/0xc0
[  254.697896][ T5519]  do_syscall_64+0x4c/0xa0
[  254.702487][ T5519]  ? clear_bhb_loop+0x30/0x80
[  254.707270][ T5519]  ? clear_bhb_loop+0x30/0x80
[  254.711944][ T5519]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  254.717831][ T5519] RIP: 0033:0x7fbae782f76a
[  254.722236][ T5519] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  254.741838][ T5519] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.750266][ T5519] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  254.758226][ T5519] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  254.766187][ T5519] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  254.774351][ T5519] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  254.782315][ T5519] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  254.790376][ T5519]  </TASK>
[  254.797351][ T5519] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.811349][ T5519] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.139462][ T5521] loop1: detected capacity change from 0 to 32768
[  255.190480][ T5521] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.198152][ T5521] CPU: 1 PID: 5521 Comm: syz.1.214 Not tainted syzkaller #0
[  255.205565][ T5521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  255.215907][ T5521] Call Trace:
[  255.219198][ T5521]  <TASK>
[  255.222149][ T5521]  dump_stack_lvl+0x168/0x230
[  255.226922][ T5521]  ? show_regs_print_info+0x20/0x20
[  255.232222][ T5521]  ? load_image+0x3b0/0x3b0
[  255.236848][ T5521]  sysfs_create_dir_ns+0x252/0x280
[  255.241983][ T5521]  ? __lock_acquire+0x7c60/0x7c60
[  255.247026][ T5521]  ? sysfs_warn_dup+0xa0/0xa0
[  255.251716][ T5521]  ? do_raw_spin_unlock+0x11d/0x230
[  255.256941][ T5521]  kobject_add_internal+0x662/0xd00
[  255.262615][ T5521]  kobject_init_and_add+0x122/0x190
[  255.267850][ T5521]  ? lockdep_softirqs_off+0x420/0x420
[  255.273365][ T5521]  ? kobject_add+0x210/0x210
[  255.278053][ T5521]  ? __init_swait_queue_head+0xa5/0x150
[  255.283710][ T5521]  gfs2_sys_fs_add+0x234/0x480
[  255.288565][ T5521]  ? gfs2_recover_set+0x240/0x240
[  255.293605][ T5521]  ? snprintf+0xd7/0x120
[  255.297923][ T5521]  ? __free_pages+0x95/0x1a0
[  255.302514][ T5521]  ? vscnprintf+0x80/0x80
[  255.306930][ T5521]  gfs2_fill_super+0x128d/0x1f50
[  255.311861][ T5521]  ? gfs2_reconfigure+0xcd0/0xcd0
[  255.316887][ T5521]  ? preempt_count_add+0x8d/0x190
[  255.321902][ T5521]  ? sb_set_blocksize+0xa5/0xe0
[  255.326743][ T5521]  get_tree_bdev+0x3f1/0x610
[  255.331323][ T5521]  ? gfs2_reconfigure+0xcd0/0xcd0
[  255.336329][ T5521]  gfs2_get_tree+0x4d/0x1e0
[  255.340816][ T5521]  vfs_get_tree+0x88/0x270
[  255.345220][ T5521]  do_new_mount+0x24a/0xa40
[  255.349714][ T5521]  __se_sys_mount+0x2d6/0x3c0
[  255.354376][ T5521]  ? __x64_sys_mount+0xc0/0xc0
[  255.359262][ T5521]  ? lockdep_hardirqs_on+0x94/0x140
[  255.364456][ T5521]  ? __x64_sys_mount+0x1c/0xc0
[  255.369298][ T5521]  do_syscall_64+0x4c/0xa0
[  255.373816][ T5521]  ? clear_bhb_loop+0x30/0x80
[  255.378574][ T5521]  ? clear_bhb_loop+0x30/0x80
[  255.383411][ T5521]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  255.389293][ T5521] RIP: 0033:0x7fbae782f76a
[  255.393709][ T5521] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  255.413574][ T5521] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.422096][ T5521] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  255.430180][ T5521] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  255.438137][ T5521] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  255.446231][ T5521] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  255.454248][ T5521] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  255.462510][ T5521]  </TASK>
[  255.467195][ T5521] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.480748][ T5521] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.670134][ T1421] ieee802154 phy0 wpan0: encryption failed: -22
[  255.676685][ T1421] ieee802154 phy1 wpan1: encryption failed: -22
[  255.811650][ T5523] loop1: detected capacity change from 0 to 32768
[  255.867947][ T5523] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.875932][ T5523] CPU: 0 PID: 5523 Comm: syz.1.215 Not tainted syzkaller #0
[  255.883354][ T5523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  255.893426][ T5523] Call Trace:
[  255.896719][ T5523]  <TASK>
[  255.899662][ T5523]  dump_stack_lvl+0x168/0x230
[  255.904389][ T5523]  ? show_regs_print_info+0x20/0x20
[  255.909599][ T5523]  ? load_image+0x3b0/0x3b0
[  255.914124][ T5523]  sysfs_create_dir_ns+0x252/0x280
[  255.919365][ T5523]  ? __lock_acquire+0x7c60/0x7c60
[  255.924404][ T5523]  ? sysfs_warn_dup+0xa0/0xa0
[  255.929108][ T5523]  ? do_raw_spin_unlock+0x11d/0x230
[  255.934421][ T5523]  kobject_add_internal+0x662/0xd00
[  255.939642][ T5523]  kobject_init_and_add+0x122/0x190
[  255.944851][ T5523]  ? lockdep_softirqs_off+0x420/0x420
[  255.950238][ T5523]  ? kobject_add+0x210/0x210
[  255.954836][ T5523]  ? __init_swait_queue_head+0xa5/0x150
[  255.960393][ T5523]  gfs2_sys_fs_add+0x234/0x480
[  255.965263][ T5523]  ? gfs2_recover_set+0x240/0x240
[  255.970356][ T5523]  ? snprintf+0xd7/0x120
[  255.974669][ T5523]  ? __free_pages+0x95/0x1a0
[  255.979258][ T5523]  ? vscnprintf+0x80/0x80
[  255.983622][ T5523]  gfs2_fill_super+0x128d/0x1f50
[  255.988570][ T5523]  ? gfs2_reconfigure+0xcd0/0xcd0
[  255.993599][ T5523]  ? preempt_count_add+0x8d/0x190
[  255.998636][ T5523]  ? sb_set_blocksize+0xa5/0xe0
[  256.003503][ T5523]  get_tree_bdev+0x3f1/0x610
[  256.008240][ T5523]  ? gfs2_reconfigure+0xcd0/0xcd0
[  256.013402][ T5523]  gfs2_get_tree+0x4d/0x1e0
[  256.018003][ T5523]  vfs_get_tree+0x88/0x270
[  256.022454][ T5523]  do_new_mount+0x24a/0xa40
[  256.026945][ T5523]  __se_sys_mount+0x2d6/0x3c0
[  256.031605][ T5523]  ? __x64_sys_mount+0xc0/0xc0
[  256.036461][ T5523]  ? lockdep_hardirqs_on+0x94/0x140
[  256.041652][ T5523]  ? __x64_sys_mount+0x1c/0xc0
[  256.046431][ T5523]  do_syscall_64+0x4c/0xa0
[  256.050839][ T5523]  ? clear_bhb_loop+0x30/0x80
[  256.055498][ T5523]  ? clear_bhb_loop+0x30/0x80
[  256.060482][ T5523]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  256.066380][ T5523] RIP: 0033:0x7fbae782f76a
[  256.070789][ T5523] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  256.090705][ T5523] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.099340][ T5523] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  256.107377][ T5523] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  256.115530][ T5523] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  256.123500][ T5523] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  256.131700][ T5523] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  256.139949][ T5523]  </TASK>
[  256.144142][ T5523] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.157763][ T5523] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  256.476280][ T5525] loop1: detected capacity change from 0 to 32768
[  256.569770][ T5525] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  256.577288][ T5525] CPU: 1 PID: 5525 Comm: syz.1.216 Not tainted syzkaller #0
[  256.584592][ T5525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  256.594659][ T5525] Call Trace:
[  256.597953][ T5525]  <TASK>
[  256.600979][ T5525]  dump_stack_lvl+0x168/0x230
[  256.605723][ T5525]  ? show_regs_print_info+0x20/0x20
[  256.611120][ T5525]  ? load_image+0x3b0/0x3b0
[  256.615658][ T5525]  sysfs_create_dir_ns+0x252/0x280
[  256.620794][ T5525]  ? __lock_acquire+0x7c60/0x7c60
[  256.625838][ T5525]  ? sysfs_warn_dup+0xa0/0xa0
[  256.630537][ T5525]  ? do_raw_spin_unlock+0x11d/0x230
[  256.635849][ T5525]  kobject_add_internal+0x662/0xd00
[  256.641072][ T5525]  kobject_init_and_add+0x122/0x190
[  256.646398][ T5525]  ? lockdep_softirqs_off+0x420/0x420
[  256.651948][ T5525]  ? kobject_add+0x210/0x210
[  256.656564][ T5525]  ? __init_swait_queue_head+0xa5/0x150
[  256.662120][ T5525]  gfs2_sys_fs_add+0x234/0x480
[  256.666976][ T5525]  ? gfs2_recover_set+0x240/0x240
[  256.672190][ T5525]  ? snprintf+0xd7/0x120
[  256.676442][ T5525]  ? __free_pages+0x95/0x1a0
[  256.681020][ T5525]  ? vscnprintf+0x80/0x80
[  256.685352][ T5525]  gfs2_fill_super+0x128d/0x1f50
[  256.690383][ T5525]  ? gfs2_reconfigure+0xcd0/0xcd0
[  256.695412][ T5525]  ? preempt_count_add+0x8d/0x190
[  256.700427][ T5525]  ? sb_set_blocksize+0xa5/0xe0
[  256.705272][ T5525]  get_tree_bdev+0x3f1/0x610
[  256.709859][ T5525]  ? gfs2_reconfigure+0xcd0/0xcd0
[  256.714882][ T5525]  gfs2_get_tree+0x4d/0x1e0
[  256.719394][ T5525]  vfs_get_tree+0x88/0x270
[  256.723802][ T5525]  do_new_mount+0x24a/0xa40
[  256.728306][ T5525]  __se_sys_mount+0x2d6/0x3c0
[  256.732990][ T5525]  ? __x64_sys_mount+0xc0/0xc0
[  256.737761][ T5525]  ? lockdep_hardirqs_on+0x94/0x140
[  256.742975][ T5525]  ? __x64_sys_mount+0x1c/0xc0
[  256.747732][ T5525]  do_syscall_64+0x4c/0xa0
[  256.752147][ T5525]  ? clear_bhb_loop+0x30/0x80
[  256.756815][ T5525]  ? clear_bhb_loop+0x30/0x80
[  256.761479][ T5525]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  256.767422][ T5525] RIP: 0033:0x7fbae782f76a
[  256.771918][ T5525] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  256.792050][ T5525] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.800456][ T5525] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  256.808628][ T5525] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  256.816998][ T5525] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  256.825053][ T5525] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  256.833023][ T5525] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  256.841555][ T5525]  </TASK>
[  256.845869][ T5525] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.859382][ T5525] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  257.186313][ T5527] loop1: detected capacity change from 0 to 32768
[  257.271432][ T5527] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.285811][ T5527] CPU: 0 PID: 5527 Comm: syz.1.217 Not tainted syzkaller #0
[  257.293224][ T5527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  257.303472][ T5527] Call Trace:
[  257.307005][ T5527]  <TASK>
[  257.309954][ T5527]  dump_stack_lvl+0x168/0x230
[  257.314656][ T5527]  ? show_regs_print_info+0x20/0x20
[  257.319874][ T5527]  ? load_image+0x3b0/0x3b0
[  257.324405][ T5527]  sysfs_create_dir_ns+0x252/0x280
[  257.329534][ T5527]  ? __lock_acquire+0x7c60/0x7c60
[  257.334575][ T5527]  ? sysfs_warn_dup+0xa0/0xa0
[  257.339265][ T5527]  ? do_raw_spin_unlock+0x11d/0x230
[  257.344743][ T5527]  kobject_add_internal+0x662/0xd00
[  257.350241][ T5527]  kobject_init_and_add+0x122/0x190
[  257.355537][ T5527]  ? lockdep_softirqs_off+0x420/0x420
[  257.360905][ T5527]  ? kobject_add+0x210/0x210
[  257.365496][ T5527]  ? __init_swait_queue_head+0xa5/0x150
[  257.371049][ T5527]  gfs2_sys_fs_add+0x234/0x480
[  257.375888][ T5527]  ? gfs2_recover_set+0x240/0x240
[  257.380899][ T5527]  ? snprintf+0xd7/0x120
[  257.385126][ T5527]  ? __free_pages+0x95/0x1a0
[  257.389874][ T5527]  ? vscnprintf+0x80/0x80
[  257.394256][ T5527]  gfs2_fill_super+0x128d/0x1f50
[  257.399182][ T5527]  ? gfs2_reconfigure+0xcd0/0xcd0
[  257.404298][ T5527]  ? preempt_count_add+0x8d/0x190
[  257.409342][ T5527]  ? sb_set_blocksize+0xa5/0xe0
[  257.414182][ T5527]  get_tree_bdev+0x3f1/0x610
[  257.418758][ T5527]  ? gfs2_reconfigure+0xcd0/0xcd0
[  257.423765][ T5527]  gfs2_get_tree+0x4d/0x1e0
[  257.428248][ T5527]  vfs_get_tree+0x88/0x270
[  257.432659][ T5527]  do_new_mount+0x24a/0xa40
[  257.437154][ T5527]  __se_sys_mount+0x2d6/0x3c0
[  257.441950][ T5527]  ? __x64_sys_mount+0xc0/0xc0
[  257.446888][ T5527]  ? lockdep_hardirqs_on+0x94/0x140
[  257.452176][ T5527]  ? __x64_sys_mount+0x1c/0xc0
[  257.456930][ T5527]  do_syscall_64+0x4c/0xa0
[  257.461580][ T5527]  ? clear_bhb_loop+0x30/0x80
[  257.466259][ T5527]  ? clear_bhb_loop+0x30/0x80
[  257.470926][ T5527]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  257.477034][ T5527] RIP: 0033:0x7fbae782f76a
[  257.481461][ T5527] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  257.501242][ T5527] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.509654][ T5527] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  257.517624][ T5527] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  257.525945][ T5527] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  257.534064][ T5527] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  257.542117][ T5527] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  257.550103][ T5527]  </TASK>
[  257.554398][ T5527] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  257.567738][ T5527] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  257.897932][ T5529] loop1: detected capacity change from 0 to 32768
[  257.966281][ T5529] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.973829][ T5529] CPU: 1 PID: 5529 Comm: syz.1.218 Not tainted syzkaller #0
[  257.981128][ T5529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  257.991375][ T5529] Call Trace:
[  257.994670][ T5529]  <TASK>
[  257.997614][ T5529]  dump_stack_lvl+0x168/0x230
[  258.002305][ T5529]  ? show_regs_print_info+0x20/0x20
[  258.007521][ T5529]  ? load_image+0x3b0/0x3b0
[  258.012063][ T5529]  sysfs_create_dir_ns+0x252/0x280
[  258.017319][ T5529]  ? __lock_acquire+0x7c60/0x7c60
[  258.022376][ T5529]  ? sysfs_warn_dup+0xa0/0xa0
[  258.027076][ T5529]  ? do_raw_spin_unlock+0x11d/0x230
[  258.032461][ T5529]  kobject_add_internal+0x662/0xd00
[  258.037687][ T5529]  kobject_init_and_add+0x122/0x190
[  258.042998][ T5529]  ? lockdep_softirqs_off+0x420/0x420
[  258.048502][ T5529]  ? kobject_add+0x210/0x210
[  258.053118][ T5529]  ? __init_swait_queue_head+0xa5/0x150
[  258.059193][ T5529]  gfs2_sys_fs_add+0x234/0x480
[  258.064038][ T5529]  ? gfs2_recover_set+0x240/0x240
[  258.069056][ T5529]  ? snprintf+0xd7/0x120
[  258.073281][ T5529]  ? __free_pages+0x95/0x1a0
[  258.077866][ T5529]  ? vscnprintf+0x80/0x80
[  258.082207][ T5529]  gfs2_fill_super+0x128d/0x1f50
[  258.087270][ T5529]  ? gfs2_reconfigure+0xcd0/0xcd0
[  258.092328][ T5529]  ? preempt_count_add+0x8d/0x190
[  258.097706][ T5529]  ? sb_set_blocksize+0xa5/0xe0
[  258.102703][ T5529]  get_tree_bdev+0x3f1/0x610
[  258.107469][ T5529]  ? gfs2_reconfigure+0xcd0/0xcd0
[  258.112502][ T5529]  gfs2_get_tree+0x4d/0x1e0
[  258.116996][ T5529]  vfs_get_tree+0x88/0x270
[  258.121483][ T5529]  do_new_mount+0x24a/0xa40
[  258.125972][ T5529]  __se_sys_mount+0x2d6/0x3c0
[  258.130645][ T5529]  ? __x64_sys_mount+0xc0/0xc0
[  258.135603][ T5529]  ? lockdep_hardirqs_on+0x94/0x140
[  258.140798][ T5529]  ? __x64_sys_mount+0x1c/0xc0
[  258.145630][ T5529]  do_syscall_64+0x4c/0xa0
[  258.150295][ T5529]  ? clear_bhb_loop+0x30/0x80
[  258.154950][ T5529]  ? clear_bhb_loop+0x30/0x80
[  258.159613][ T5529]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  258.165588][ T5529] RIP: 0033:0x7fbae782f76a
[  258.170014][ T5529] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  258.189872][ T5529] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  258.198364][ T5529] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  258.206501][ T5529] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  258.214457][ T5529] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  258.222501][ T5529] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  258.230541][ T5529] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  258.238519][ T5529]  </TASK>
[  258.242893][ T5529] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.256088][ T5529] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/22 06:11:41 executed programs: 204
[  258.585112][ T5531] loop1: detected capacity change from 0 to 32768
[  258.637811][ T5531] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  258.645229][ T5531] CPU: 0 PID: 5531 Comm: syz.1.219 Not tainted syzkaller #0
[  258.652615][ T5531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  258.662689][ T5531] Call Trace:
[  258.665974][ T5531]  <TASK>
[  258.668909][ T5531]  dump_stack_lvl+0x168/0x230
[  258.673600][ T5531]  ? show_regs_print_info+0x20/0x20
[  258.678810][ T5531]  ? load_image+0x3b0/0x3b0
[  258.683520][ T5531]  sysfs_create_dir_ns+0x252/0x280
[  258.688955][ T5531]  ? __lock_acquire+0x7c60/0x7c60
[  258.694011][ T5531]  ? sysfs_warn_dup+0xa0/0xa0
[  258.698719][ T5531]  ? do_raw_spin_unlock+0x11d/0x230
[  258.703945][ T5531]  kobject_add_internal+0x662/0xd00
[  258.709221][ T5531]  kobject_init_and_add+0x122/0x190
[  258.714436][ T5531]  ? lockdep_softirqs_off+0x420/0x420
[  258.720192][ T5531]  ? kobject_add+0x210/0x210
[  258.724914][ T5531]  ? __init_swait_queue_head+0xa5/0x150
[  258.730460][ T5531]  gfs2_sys_fs_add+0x234/0x480
[  258.735221][ T5531]  ? gfs2_recover_set+0x240/0x240
[  258.740248][ T5531]  ? snprintf+0xd7/0x120
[  258.744523][ T5531]  ? __free_pages+0x95/0x1a0
[  258.749113][ T5531]  ? vscnprintf+0x80/0x80
[  258.753572][ T5531]  gfs2_fill_super+0x128d/0x1f50
[  258.758525][ T5531]  ? gfs2_reconfigure+0xcd0/0xcd0
[  258.763565][ T5531]  ? preempt_count_add+0x8d/0x190
[  258.768680][ T5531]  ? sb_set_blocksize+0xa5/0xe0
[  258.773529][ T5531]  get_tree_bdev+0x3f1/0x610
[  258.778123][ T5531]  ? gfs2_reconfigure+0xcd0/0xcd0
[  258.783164][ T5531]  gfs2_get_tree+0x4d/0x1e0
[  258.787843][ T5531]  vfs_get_tree+0x88/0x270
[  258.792280][ T5531]  do_new_mount+0x24a/0xa40
[  258.796796][ T5531]  __se_sys_mount+0x2d6/0x3c0
[  258.801465][ T5531]  ? __x64_sys_mount+0xc0/0xc0
[  258.806226][ T5531]  ? lockdep_hardirqs_on+0x94/0x140
[  258.811412][ T5531]  ? __x64_sys_mount+0x1c/0xc0
[  258.816241][ T5531]  do_syscall_64+0x4c/0xa0
[  258.820647][ T5531]  ? clear_bhb_loop+0x30/0x80
[  258.825344][ T5531]  ? clear_bhb_loop+0x30/0x80
[  258.830181][ T5531]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  258.836066][ T5531] RIP: 0033:0x7fbae782f76a
[  258.840466][ T5531] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  258.860322][ T5531] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  258.868951][ T5531] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  258.877015][ T5531] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  258.884977][ T5531] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  258.892947][ T5531] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  258.900909][ T5531] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  258.908994][ T5531]  </TASK>
[  258.913353][ T5531] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.926616][ T5531] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.278174][ T5533] loop1: detected capacity change from 0 to 32768
[  259.336599][ T5533] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.344768][ T5533] CPU: 1 PID: 5533 Comm: syz.1.220 Not tainted syzkaller #0
[  259.352150][ T5533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  259.362219][ T5533] Call Trace:
[  259.365514][ T5533]  <TASK>
[  259.368533][ T5533]  dump_stack_lvl+0x168/0x230
[  259.373236][ T5533]  ? show_regs_print_info+0x20/0x20
[  259.378452][ T5533]  ? load_image+0x3b0/0x3b0
[  259.383000][ T5533]  sysfs_create_dir_ns+0x252/0x280
[  259.388206][ T5533]  ? __lock_acquire+0x7c60/0x7c60
[  259.393285][ T5533]  ? sysfs_warn_dup+0xa0/0xa0
[  259.397975][ T5533]  ? do_raw_spin_unlock+0x11d/0x230
[  259.403281][ T5533]  kobject_add_internal+0x662/0xd00
[  259.408579][ T5533]  kobject_init_and_add+0x122/0x190
[  259.413794][ T5533]  ? lockdep_softirqs_off+0x420/0x420
[  259.419189][ T5533]  ? kobject_add+0x210/0x210
[  259.423785][ T5533]  ? __init_swait_queue_head+0xa5/0x150
[  259.429577][ T5533]  gfs2_sys_fs_add+0x234/0x480
[  259.434323][ T5533]  ? gfs2_recover_set+0x240/0x240
[  259.439332][ T5533]  ? snprintf+0xd7/0x120
[  259.443571][ T5533]  ? __free_pages+0x95/0x1a0
[  259.448242][ T5533]  ? vscnprintf+0x80/0x80
[  259.452790][ T5533]  gfs2_fill_super+0x128d/0x1f50
[  259.457874][ T5533]  ? gfs2_reconfigure+0xcd0/0xcd0
[  259.462925][ T5533]  ? preempt_count_add+0x8d/0x190
[  259.468170][ T5533]  ? sb_set_blocksize+0xa5/0xe0
[  259.473160][ T5533]  get_tree_bdev+0x3f1/0x610
[  259.477774][ T5533]  ? gfs2_reconfigure+0xcd0/0xcd0
[  259.482829][ T5533]  gfs2_get_tree+0x4d/0x1e0
[  259.487322][ T5533]  vfs_get_tree+0x88/0x270
[  259.491739][ T5533]  do_new_mount+0x24a/0xa40
[  259.496250][ T5533]  __se_sys_mount+0x2d6/0x3c0
[  259.500918][ T5533]  ? __x64_sys_mount+0xc0/0xc0
[  259.505673][ T5533]  ? lockdep_hardirqs_on+0x94/0x140
[  259.510851][ T5533]  ? __x64_sys_mount+0x1c/0xc0
[  259.515603][ T5533]  do_syscall_64+0x4c/0xa0
[  259.520135][ T5533]  ? clear_bhb_loop+0x30/0x80
[  259.524894][ T5533]  ? clear_bhb_loop+0x30/0x80
[  259.529549][ T5533]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  259.535597][ T5533] RIP: 0033:0x7fbae782f76a
[  259.539994][ T5533] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  259.559720][ T5533] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.568211][ T5533] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  259.576178][ T5533] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  259.584133][ T5533] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  259.592149][ T5533] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  259.600151][ T5533] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  259.608147][ T5533]  </TASK>
[  259.612407][ T5533] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  259.626380][ T5533] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.938571][ T5535] loop1: detected capacity change from 0 to 32768
[  260.050047][ T5535] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  260.060019][ T5535] CPU: 0 PID: 5535 Comm: syz.1.221 Not tainted syzkaller #0
[  260.067339][ T5535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  260.077428][ T5535] Call Trace:
[  260.080720][ T5535]  <TASK>
[  260.083670][ T5535]  dump_stack_lvl+0x168/0x230
[  260.088376][ T5535]  ? show_regs_print_info+0x20/0x20
[  260.093592][ T5535]  ? load_image+0x3b0/0x3b0
[  260.098123][ T5535]  sysfs_create_dir_ns+0x252/0x280
[  260.103255][ T5535]  ? __lock_acquire+0x7c60/0x7c60
[  260.108282][ T5535]  ? sysfs_warn_dup+0xa0/0xa0
[  260.113054][ T5535]  ? do_raw_spin_unlock+0x11d/0x230
[  260.118337][ T5535]  kobject_add_internal+0x662/0xd00
[  260.123728][ T5535]  kobject_init_and_add+0x122/0x190
[  260.128999][ T5535]  ? lockdep_softirqs_off+0x420/0x420
[  260.134453][ T5535]  ? kobject_add+0x210/0x210
[  260.139033][ T5535]  ? __init_swait_queue_head+0xa5/0x150
[  260.144567][ T5535]  gfs2_sys_fs_add+0x234/0x480
[  260.149322][ T5535]  ? gfs2_recover_set+0x240/0x240
[  260.154356][ T5535]  ? snprintf+0xd7/0x120
[  260.158673][ T5535]  ? __free_pages+0x95/0x1a0
[  260.163269][ T5535]  ? vscnprintf+0x80/0x80
[  260.167682][ T5535]  gfs2_fill_super+0x128d/0x1f50
[  260.172623][ T5535]  ? gfs2_reconfigure+0xcd0/0xcd0
[  260.177649][ T5535]  ? preempt_count_add+0x8d/0x190
[  260.182675][ T5535]  ? sb_set_blocksize+0xa5/0xe0
[  260.187507][ T5535]  get_tree_bdev+0x3f1/0x610
[  260.192077][ T5535]  ? gfs2_reconfigure+0xcd0/0xcd0
[  260.197254][ T5535]  gfs2_get_tree+0x4d/0x1e0
[  260.201761][ T5535]  vfs_get_tree+0x88/0x270
[  260.206169][ T5535]  do_new_mount+0x24a/0xa40
[  260.210782][ T5535]  __se_sys_mount+0x2d6/0x3c0
[  260.215453][ T5535]  ? __x64_sys_mount+0xc0/0xc0
[  260.220296][ T5535]  ? lockdep_hardirqs_on+0x94/0x140
[  260.225486][ T5535]  ? __x64_sys_mount+0x1c/0xc0
[  260.230240][ T5535]  do_syscall_64+0x4c/0xa0
[  260.234732][ T5535]  ? clear_bhb_loop+0x30/0x80
[  260.239399][ T5535]  ? clear_bhb_loop+0x30/0x80
[  260.244068][ T5535]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  260.249944][ T5535] RIP: 0033:0x7fbae782f76a
[  260.254342][ T5535] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  260.273930][ T5535] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  260.282437][ T5535] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  260.290407][ T5535] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  260.298477][ T5535] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  260.306446][ T5535] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  260.314405][ T5535] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  260.322378][ T5535]  </TASK>
[  260.326578][ T5535] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  260.339929][ T5535] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  260.664990][ T5537] loop1: detected capacity change from 0 to 32768
[  260.707146][ T5537] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  260.714853][ T5537] CPU: 0 PID: 5537 Comm: syz.1.222 Not tainted syzkaller #0
[  260.722240][ T5537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  260.732486][ T5537] Call Trace:
[  260.735777][ T5537]  <TASK>
[  260.739033][ T5537]  dump_stack_lvl+0x168/0x230
[  260.743736][ T5537]  ? show_regs_print_info+0x20/0x20
[  260.749075][ T5537]  ? load_image+0x3b0/0x3b0
[  260.753616][ T5537]  sysfs_create_dir_ns+0x252/0x280
[  260.758841][ T5537]  ? __lock_acquire+0x7c60/0x7c60
[  260.763899][ T5537]  ? sysfs_warn_dup+0xa0/0xa0
[  260.768597][ T5537]  ? do_raw_spin_unlock+0x11d/0x230
[  260.773942][ T5537]  kobject_add_internal+0x662/0xd00
[  260.779260][ T5537]  kobject_init_and_add+0x122/0x190
[  260.784568][ T5537]  ? lockdep_softirqs_off+0x420/0x420
[  260.790176][ T5537]  ? kobject_add+0x210/0x210
[  260.794935][ T5537]  ? __init_swait_queue_head+0xa5/0x150
[  260.800875][ T5537]  gfs2_sys_fs_add+0x234/0x480
[  260.805728][ T5537]  ? gfs2_recover_set+0x240/0x240
[  260.810749][ T5537]  ? snprintf+0xd7/0x120
[  260.815123][ T5537]  ? __free_pages+0x95/0x1a0
[  260.819739][ T5537]  ? vscnprintf+0x80/0x80
[  260.824274][ T5537]  gfs2_fill_super+0x128d/0x1f50
[  260.829228][ T5537]  ? gfs2_reconfigure+0xcd0/0xcd0
[  260.834540][ T5537]  ? preempt_count_add+0x8d/0x190
[  260.839787][ T5537]  ? sb_set_blocksize+0xa5/0xe0
[  260.844664][ T5537]  get_tree_bdev+0x3f1/0x610
[  260.849505][ T5537]  ? gfs2_reconfigure+0xcd0/0xcd0
[  260.854633][ T5537]  gfs2_get_tree+0x4d/0x1e0
[  260.859140][ T5537]  vfs_get_tree+0x88/0x270
[  260.863564][ T5537]  do_new_mount+0x24a/0xa40
[  260.868332][ T5537]  __se_sys_mount+0x2d6/0x3c0
[  260.873117][ T5537]  ? __x64_sys_mount+0xc0/0xc0
[  260.877884][ T5537]  ? lockdep_hardirqs_on+0x94/0x140
[  260.883084][ T5537]  ? __x64_sys_mount+0x1c/0xc0
[  260.887857][ T5537]  do_syscall_64+0x4c/0xa0
[  260.892360][ T5537]  ? clear_bhb_loop+0x30/0x80
[  260.897063][ T5537]  ? clear_bhb_loop+0x30/0x80
[  260.901901][ T5537]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  260.907812][ T5537] RIP: 0033:0x7fbae782f76a
[  260.912226][ T5537] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  260.932098][ T5537] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  260.940526][ T5537] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  260.948510][ T5537] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  260.956572][ T5537] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  260.964548][ T5537] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  260.972786][ T5537] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  260.980954][ T5537]  </TASK>
[  260.989669][ T5537] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  261.003065][ T5537] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  261.399471][ T5539] loop1: detected capacity change from 0 to 32768
[  261.438015][   T27] INFO: task syz-executor:4888 blocked for more than 143 seconds.
[  261.446259][   T27]       Not tainted syzkaller #0
[  261.451808][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  261.456818][ T5539] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  261.471416][   T27] task:syz-executor    state:D stack:22016 pid: 4888 ppid:     1 flags:0x00004004
[  261.480882][ T5539] CPU: 0 PID: 5539 Comm: syz.1.223 Not tainted syzkaller #0
[  261.481230][   T27] Call Trace:
[  261.488189][ T5539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  261.488201][ T5539] Call Trace:
[  261.488207][ T5539]  <TASK>
[  261.488214][ T5539]  dump_stack_lvl+0x168/0x230
[  261.488240][ T5539]  ? show_regs_print_info+0x20/0x20
[  261.492055][   T27]  <TASK>
[  261.501568][ T5539]  ? load_image+0x3b0/0x3b0
[  261.501601][ T5539]  sysfs_create_dir_ns+0x252/0x280
[  261.505267][   T27]  __schedule+0x11bb/0x4390
[  261.507798][ T5539]  ? __lock_acquire+0x7c60/0x7c60
[  261.507820][ T5539]  ? sysfs_warn_dup+0xa0/0xa0
[  261.512880][   T27]  ? _raw_spin_lock_irqsave+0x7f/0xf0
[  261.517703][ T5539]  ? do_raw_spin_unlock+0x11d/0x230
[  261.517727][ T5539]  kobject_add_internal+0x662/0xd00
[  261.517751][ T5539]  kobject_init_and_add+0x122/0x190
[  261.521090][   T27]  ? _raw_spin_unlock_irqrestore+0x82/0x100
[  261.525161][ T5539]  ? lockdep_softirqs_off+0x420/0x420
[  261.532248][   T27]  ? _raw_spin_unlock_irqrestore+0xaa/0x100
[  261.534742][ T5539]  ? kobject_add+0x210/0x210
[  261.540034][   T27]  ? _raw_spin_unlock+0x40/0x40
[  261.544411][ T5539]  ? __init_swait_queue_head+0xa5/0x150
[  261.544439][ T5539]  gfs2_sys_fs_add+0x234/0x480
[  261.550165][   T27]  ? rcu_is_watching+0x11/0xa0
[  261.554960][ T5539]  ? gfs2_recover_set+0x240/0x240
[  261.560439][   T27]  ? release_firmware_map_entry+0x190/0x190
[  261.565300][ T5539]  ? snprintf+0xd7/0x120
[  261.565321][ T5539]  ? __free_pages+0x95/0x1a0
[  261.565341][ T5539]  ? vscnprintf+0x80/0x80
[  261.565367][ T5539]  gfs2_fill_super+0x128d/0x1f50
[  261.565399][ T5539]  ? gfs2_reconfigure+0xcd0/0xcd0
[  261.565421][ T5539]  ? preempt_count_add+0x8d/0x190
[  261.565452][ T5539]  ? sb_set_blocksize+0xa5/0xe0
[  261.565474][ T5539]  get_tree_bdev+0x3f1/0x610
[  261.565494][ T5539]  ? gfs2_reconfigure+0xcd0/0xcd0
[  261.565511][ T5539]  gfs2_get_tree+0x4d/0x1e0
[  261.565530][ T5539]  vfs_get_tree+0x88/0x270
[  261.565549][ T5539]  do_new_mount+0x24a/0xa40
[  261.565573][ T5539]  __se_sys_mount+0x2d6/0x3c0
[  261.572804][   T27]  schedule+0x11b/0x1e0
[  261.576910][ T5539]  ? __x64_sys_mount+0xc0/0xc0
[  261.584246][   T27]  schedule_timeout+0x15c/0x280
[  261.587581][ T5539]  ? lockdep_hardirqs_on+0x94/0x140
[  261.592880][   T27]  ? console_conditional_schedule+0x40/0x40
[  261.598055][ T5539]  ? __x64_sys_mount+0x1c/0xc0
[  261.598089][ T5539]  do_syscall_64+0x4c/0xa0
[  261.598107][ T5539]  ? clear_bhb_loop+0x30/0x80
[  261.598124][ T5539]  ? clear_bhb_loop+0x30/0x80
[  261.603380][   T27]  ? update_process_times+0x200/0x200
[  261.607820][ T5539]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  261.607843][ T5539] RIP: 0033:0x7fbae782f76a
[  261.607860][ T5539] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  261.613456][   T27]  ? prepare_to_wait_event+0x42c/0x460
[  261.618846][ T5539] RSP: 002b:00007fbae6e9ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  261.618871][ T5539] RAX: ffffffffffffffda RBX: 00007fbae6e9cef0 RCX: 00007fbae782f76a
[  261.618884][ T5539] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007fbae6e9ceb0
[  261.618896][ T5539] RBP: 0000200000000040 R08: 00007fbae6e9cef0 R09: 0000000000000c19
[  261.618907][ T5539] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[  261.623851][   T27]  gfs2_gl_hash_clear+0x1a4/0x2f0
[  261.627803][ T5539] R13: 00007fbae6e9ceb0 R14: 00000000000126f3 R15: 0000200000000100
[  261.627831][ T5539]  </TASK>
[  261.638599][ T5539] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  261.645803][   T27]  ? thaw_glock+0x150/0x150
[  261.647968][ T5539] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  261.652656][   T27]  ? gfs2_jindex_free+0x39b/0x400
[  261.854584][   T27]  ? init_wait_entry+0xd0/0xd0
[  261.859562][   T27]  ? gfs2_setbit+0x5a0/0x5a0
[  261.864238][   T27]  gfs2_put_super+0x769/0x7d0
[  261.869070][   T27]  ? gfs2_evict_inode+0x11f0/0x11f0
[  261.874535][   T27]  generic_shutdown_super+0x130/0x300
[  261.879976][   T27]  kill_block_super+0x7c/0xe0
[  261.884665][   T27]  deactivate_locked_super+0x93/0xf0
[  261.890060][   T27]  cleanup_mnt+0x418/0x4d0
[  261.894486][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  261.899721][   T27]  task_work_run+0x125/0x1a0
[  261.904331][   T27]  exit_to_user_mode_loop+0x10f/0x130
[  261.909815][   T27]  exit_to_user_mode_prepare+0xee/0x180
[  261.915537][   T27]  syscall_exit_to_user_mode+0x16/0x40
[  261.921177][   T27]  do_syscall_64+0x58/0xa0
[  261.925615][   T27]  ? clear_bhb_loop+0x30/0x80
[  261.930434][   T27]  ? clear_bhb_loop+0x30/0x80
[  261.935249][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  261.941205][   T27] RIP: 0033:0x7f7a690842f7
[  261.945645][   T27] RSP: 002b:00007ffcec5c03c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  261.954241][   T27] RAX: 0000000000000000 RBX: 00007f7a69105d7d RCX: 00007f7a690842f7
[  261.962652][   T27] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcec5c0480
[  261.970747][   T27] RBP: 00007ffcec5c0480 R08: 0000000000000000 R09: 0000000000000000
[  261.979099][   T27] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffcec5c1510
[  261.987179][   T27] R13: 00007f7a69105d7d R14: 0000000000019ea9 R15: 00007ffcec5c1550
[  261.995201][   T27]  </TASK>
[  261.998328][   T27] 
[  261.998328][   T27] Showing all locks held in the system:
[  262.006043][   T27] 1 lock held by khungtaskd/27:
[  262.011146][   T27]  #0: ffffffff8c11c720 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[  262.020619][   T27] 2 locks held by getty/3944:
[  262.025281][   T27]  #0: ffff88802cc9f098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[  262.035153][   T27]  #1: ffffc900026562e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ba/0x1a30
[  262.045526][   T27] 1 lock held by syz-executor/4888:
[  262.050772][   T27]  #0: ffff88807a97c0e0 (&type->s_umount_key#54){++++}-{3:3}, at: deactivate_super+0xa0/0xd0
[  262.061040][   T27] 1 lock held by syz-executor/5098:
[  262.066231][   T27]  #0: ffff8880204fe118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x157/0xa60
[  262.076919][   T27] 2 locks held by udevd/5102:
[  262.081901][   T27]  #0: ffff8880204fe118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0
[  262.091423][   T27]  #1: ffff888146e86468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xaa/0xb90
[  262.100906][   T27] 
[  262.103252][   T27] =============================================
[  262.103252][   T27] 
[  262.112550][   T27] NMI backtrace for cpu 0
[  262.116918][   T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  262.124207][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  262.134262][   T27] Call Trace:
[  262.137527][   T27]  <TASK>
[  262.140525][   T27]  dump_stack_lvl+0x168/0x230
[  262.145193][   T27]  ? show_regs_print_info+0x20/0x20
[  262.150487][   T27]  ? load_image+0x3b0/0x3b0
[  262.154970][   T27]  ? tick_nohz_tick_stopped+0x7b/0xb0
[  262.160498][   T27]  ? nmi_cpu_backtrace+0x1b6/0x3d0
[  262.165622][   T27]  nmi_cpu_backtrace+0x397/0x3d0
[  262.172187][   T27]  ? nmi_trigger_cpumask_backtrace+0x280/0x280
[  262.178507][   T27]  ? _printk+0xcc/0x110
[  262.182653][   T27]  ? load_image+0x3b0/0x3b0
[  262.187313][   T27]  ? load_image+0x3b0/0x3b0
[  262.191902][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  262.198012][   T27]  nmi_trigger_cpumask_backtrace+0x163/0x280
[  262.203993][   T27]  watchdog+0xe0f/0xe50
[  262.208359][   T27]  kthread+0x436/0x520
[  262.212464][   T27]  ? hungtask_pm_notify+0x40/0x40
[  262.217492][   T27]  ? kthread_blkcg+0xd0/0xd0
[  262.222118][   T27]  ret_from_fork+0x1f/0x30
[  262.226526][   T27]  </TASK>
[  262.229926][   T27] Sending NMI from CPU 0 to CPUs 1:
[  262.235294][    C1] NMI backtrace for cpu 1 skipped: idling at default_idle+0xb/0x10
[  262.236741][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  262.251855][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  262.259060][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  262.269655][   T27] Call Trace:
[  262.272939][   T27]  <TASK>
[  262.275868][   T27]  dump_stack_lvl+0x168/0x230
[  262.280555][   T27]  ? show_regs_print_info+0x20/0x20
[  262.285770][   T27]  ? load_image+0x3b0/0x3b0
[  262.290478][   T27]  panic+0x2c9/0x7f0
[  262.294384][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  262.300042][   T27]  ? bpf_jit_dump+0xd0/0xd0
[  262.304643][   T27]  ? nmi_trigger_cpumask_backtrace+0x260/0x280
[  262.310817][   T27]  watchdog+0xe4e/0xe50
[  262.315288][   T27]  kthread+0x436/0x520
[  262.319359][   T27]  ? hungtask_pm_notify+0x40/0x40
[  262.324567][   T27]  ? kthread_blkcg+0xd0/0xd0
[  262.329273][   T27]  ret_from_fork+0x1f/0x30
[  262.333868][   T27]  </TASK>
[  262.337324][   T27] Kernel Offset: disabled
[  262.341828][   T27] Rebooting in 86400 seconds..