? sb_set_blocksize+0xa5/0xe0
[  226.498140][ T5593]  get_tree_bdev+0x3f1/0x610
[  226.502838][ T5593]  ? gfs2_reconfigure+0xd30/0xd30
[  226.508115][ T5593]  gfs2_get_tree+0x4d/0x1e0
[  226.512733][ T5593]  vfs_get_tree+0x88/0x270
[  226.517323][ T5593]  do_new_mount+0x24a/0xa40
[  226.522038][ T5593]  __se_sys_mount+0x2e3/0x3d0
[  226.526814][ T5593]  ? __x64_sys_mount+0xc0/0xc0
[  226.531755][ T5593]  ? lockdep_hardirqs_on+0x94/0x140
[  226.537142][ T5593]  ? __x64_sys_mount+0x1c/0xc0
[  226.542202][ T5593]  do_syscall_64+0x4c/0xa0
[  226.546711][ T5593]  ? clear_bhb_loop+0x30/0x80
[  226.551628][ T5593]  ? clear_bhb_loop+0x30/0x80
[  226.556394][ T5593]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  226.562638][ T5593] RIP: 0033:0x7f8627b4560a
[  226.567168][ T5593] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  226.587386][ T5593] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.596016][ T5593] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  226.604265][ T5593] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  226.612550][ T5593] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  226.620614][ T5593] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  226.628701][ T5593] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  226.636799][ T5593]  </TASK>
[  226.643993][ T5593] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.657305][ T5593] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  226.994916][ T5595] loop1: detected capacity change from 0 to 32768
[  227.051612][ T5595] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  227.059286][ T5595] CPU: 0 PID: 5595 Comm: syz.1.176 Not tainted syzkaller #0
[  227.066682][ T5595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  227.076757][ T5595] Call Trace:
[  227.080053][ T5595]  <TASK>
[  227.082997][ T5595]  dump_stack_lvl+0x188/0x250
[  227.087691][ T5595]  ? show_regs_print_info+0x20/0x20
[  227.092919][ T5595]  ? load_image+0x400/0x400
[  227.097550][ T5595]  sysfs_create_dir_ns+0x26a/0x290
[  227.102781][ T5595]  ? sysfs_warn_dup+0xa0/0xa0
[  227.107575][ T5595]  ? do_raw_spin_unlock+0x11d/0x230
[  227.112889][ T5595]  kobject_add_internal+0x6e0/0xd90
[  227.118009][ T4411] Bluetooth: hci0: command 0x0406 tx timeout
[  227.118105][ T5595]  kobject_init_and_add+0x128/0x190
[  227.129285][ T5595]  ? lockdep_softirqs_off+0x430/0x430
[  227.134892][ T5595]  ? kobject_add+0x230/0x230
[  227.139714][ T5595]  ? __init_swait_queue_head+0xa5/0x150
[  227.145368][ T5595]  gfs2_sys_fs_add+0x24f/0x4b0
[  227.150215][ T5595]  ? gfs2_recover_set+0x240/0x240
[  227.155227][ T5595]  ? snprintf+0xe5/0x140
[  227.159570][ T5595]  ? __free_pages+0x95/0x1a0
[  227.164166][ T5595]  ? vscnprintf+0x80/0x80
[  227.168766][ T5595]  gfs2_fill_super+0x120f/0x1f00
[  227.173703][ T5595]  ? gfs2_reconfigure+0xd30/0xd30
[  227.178718][ T5595]  ? sb_set_blocksize+0xa5/0xe0
[  227.183573][ T5595]  get_tree_bdev+0x3f1/0x610
[  227.188242][ T5595]  ? gfs2_reconfigure+0xd30/0xd30
[  227.193297][ T5595]  gfs2_get_tree+0x4d/0x1e0
[  227.197825][ T5595]  vfs_get_tree+0x88/0x270
[  227.202238][ T5595]  do_new_mount+0x24a/0xa40
[  227.206829][ T5595]  __se_sys_mount+0x2e3/0x3d0
[  227.211758][ T5595]  ? __x64_sys_mount+0xc0/0xc0
[  227.216754][ T5595]  ? lockdep_hardirqs_on+0x94/0x140
[  227.222002][ T5595]  ? __x64_sys_mount+0x1c/0xc0
[  227.226898][ T5595]  do_syscall_64+0x4c/0xa0
[  227.231327][ T5595]  ? clear_bhb_loop+0x30/0x80
[  227.236136][ T5595]  ? clear_bhb_loop+0x30/0x80
[  227.240870][ T5595]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  227.246793][ T5595] RIP: 0033:0x7f8627b4560a
[  227.251299][ T5595] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  227.271073][ T5595] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.279598][ T5595] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  227.287873][ T5595] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  227.296457][ T5595] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  227.305078][ T5595] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  227.313147][ T5595] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  227.321401][ T5595]  </TASK>
[  227.326191][ T5595] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.339424][ T5595] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  227.656199][ T5597] loop1: detected capacity change from 0 to 32768
[  227.706886][ T5597] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  227.714647][ T5597] CPU: 0 PID: 5597 Comm: syz.1.177 Not tainted syzkaller #0
[  227.721968][ T5597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  227.732056][ T5597] Call Trace:
[  227.735351][ T5597]  <TASK>
[  227.738301][ T5597]  dump_stack_lvl+0x188/0x250
[  227.743251][ T5597]  ? show_regs_print_info+0x20/0x20
[  227.748467][ T5597]  ? load_image+0x400/0x400
[  227.753010][ T5597]  sysfs_create_dir_ns+0x26a/0x290
[  227.758143][ T5597]  ? sysfs_warn_dup+0xa0/0xa0
[  227.762927][ T5597]  ? do_raw_spin_unlock+0x11d/0x230
[  227.768253][ T5597]  kobject_add_internal+0x6e0/0xd90
[  227.773838][ T5597]  kobject_init_and_add+0x128/0x190
[  227.779145][ T5597]  ? lockdep_softirqs_off+0x430/0x430
[  227.784660][ T5597]  ? kobject_add+0x230/0x230
[  227.789370][ T5597]  ? __init_swait_queue_head+0xa5/0x150
[  227.794954][ T5597]  gfs2_sys_fs_add+0x24f/0x4b0
[  227.799737][ T5597]  ? gfs2_recover_set+0x240/0x240
[  227.804934][ T5597]  ? snprintf+0xe5/0x140
[  227.809496][ T5597]  ? __free_pages+0x95/0x1a0
[  227.814575][ T5597]  ? vscnprintf+0x80/0x80
[  227.818925][ T5597]  gfs2_fill_super+0x120f/0x1f00
[  227.824093][ T5597]  ? gfs2_reconfigure+0xd30/0xd30
[  227.829149][ T5597]  ? sb_set_blocksize+0xa5/0xe0
[  227.833997][ T5597]  get_tree_bdev+0x3f1/0x610
[  227.838578][ T5597]  ? gfs2_reconfigure+0xd30/0xd30
[  227.843704][ T5597]  gfs2_get_tree+0x4d/0x1e0
[  227.848597][ T5597]  vfs_get_tree+0x88/0x270
[  227.853122][ T5597]  do_new_mount+0x24a/0xa40
[  227.857635][ T5597]  __se_sys_mount+0x2e3/0x3d0
[  227.862471][ T5597]  ? __x64_sys_mount+0xc0/0xc0
[  227.867239][ T5597]  ? lockdep_hardirqs_on+0x94/0x140
[  227.872547][ T5597]  ? __x64_sys_mount+0x1c/0xc0
[  227.877314][ T5597]  do_syscall_64+0x4c/0xa0
[  227.881912][ T5597]  ? clear_bhb_loop+0x30/0x80
[  227.886706][ T5597]  ? clear_bhb_loop+0x30/0x80
[  227.891476][ T5597]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  227.897468][ T5597] RIP: 0033:0x7f8627b4560a
[  227.901974][ T5597] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  227.922081][ T5597] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.930664][ T5597] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  227.938786][ T5597] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  227.946857][ T5597] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  227.954914][ T5597] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  227.962909][ T5597] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  227.970979][ T5597]  </TASK>
[  227.975571][ T5597] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.989052][ T5597] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/11 15:29:32 executed programs: 163
[  228.296459][ T5599] loop1: detected capacity change from 0 to 32768
[  228.361817][ T5599] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.369466][ T5599] CPU: 0 PID: 5599 Comm: syz.1.178 Not tainted syzkaller #0
[  228.376778][ T5599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  228.387059][ T5599] Call Trace:
[  228.390348][ T5599]  <TASK>
[  228.393374][ T5599]  dump_stack_lvl+0x188/0x250
[  228.398187][ T5599]  ? show_regs_print_info+0x20/0x20
[  228.403587][ T5599]  ? load_image+0x400/0x400
[  228.408350][ T5599]  sysfs_create_dir_ns+0x26a/0x290
[  228.413479][ T5599]  ? sysfs_warn_dup+0xa0/0xa0
[  228.418189][ T5599]  ? do_raw_spin_unlock+0x11d/0x230
[  228.423420][ T5599]  kobject_add_internal+0x6e0/0xd90
[  228.428640][ T5599]  kobject_init_and_add+0x128/0x190
[  228.433854][ T5599]  ? lockdep_softirqs_off+0x430/0x430
[  228.439450][ T5599]  ? kobject_add+0x230/0x230
[  228.444125][ T5599]  ? __init_swait_queue_head+0xa5/0x150
[  228.449684][ T5599]  gfs2_sys_fs_add+0x24f/0x4b0
[  228.454440][ T5599]  ? gfs2_recover_set+0x240/0x240
[  228.459456][ T5599]  ? snprintf+0xe5/0x140
[  228.463795][ T5599]  ? __free_pages+0x95/0x1a0
[  228.468519][ T5599]  ? vscnprintf+0x80/0x80
[  228.473238][ T5599]  gfs2_fill_super+0x120f/0x1f00
[  228.478287][ T5599]  ? gfs2_reconfigure+0xd30/0xd30
[  228.483425][ T5599]  ? sb_set_blocksize+0xa5/0xe0
[  228.488493][ T5599]  get_tree_bdev+0x3f1/0x610
[  228.493107][ T5599]  ? gfs2_reconfigure+0xd30/0xd30
[  228.498125][ T5599]  gfs2_get_tree+0x4d/0x1e0
[  228.502722][ T5599]  vfs_get_tree+0x88/0x270
[  228.507243][ T5599]  do_new_mount+0x24a/0xa40
[  228.511765][ T5599]  __se_sys_mount+0x2e3/0x3d0
[  228.516443][ T5599]  ? __x64_sys_mount+0xc0/0xc0
[  228.521223][ T5599]  ? lockdep_hardirqs_on+0x94/0x140
[  228.526414][ T5599]  ? __x64_sys_mount+0x1c/0xc0
[  228.531299][ T5599]  do_syscall_64+0x4c/0xa0
[  228.535801][ T5599]  ? clear_bhb_loop+0x30/0x80
[  228.540522][ T5599]  ? clear_bhb_loop+0x30/0x80
[  228.545267][ T5599]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  228.551165][ T5599] RIP: 0033:0x7f8627b4560a
[  228.555663][ T5599] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  228.575539][ T5599] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  228.584036][ T5599] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  228.592193][ T5599] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  228.600248][ T5599] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  228.608217][ T5599] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  228.616205][ T5599] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  228.624180][ T5599]  </TASK>
[  228.628913][ T5599] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  228.642388][ T5599] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  228.971705][ T5601] loop1: detected capacity change from 0 to 32768
[  229.030282][ T5601] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  229.037720][ T5601] CPU: 0 PID: 5601 Comm: syz.1.179 Not tainted syzkaller #0
[  229.045110][ T5601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  229.055407][ T5601] Call Trace:
[  229.058711][ T5601]  <TASK>
[  229.061659][ T5601]  dump_stack_lvl+0x188/0x250
[  229.066361][ T5601]  ? show_regs_print_info+0x20/0x20
[  229.071574][ T5601]  ? load_image+0x400/0x400
[  229.076118][ T5601]  sysfs_create_dir_ns+0x26a/0x290
[  229.081356][ T5601]  ? sysfs_warn_dup+0xa0/0xa0
[  229.086054][ T5601]  ? do_raw_spin_unlock+0x11d/0x230
[  229.091276][ T5601]  kobject_add_internal+0x6e0/0xd90
[  229.096885][ T5601]  kobject_init_and_add+0x128/0x190
[  229.102112][ T5601]  ? lockdep_softirqs_off+0x430/0x430
[  229.107525][ T5601]  ? kobject_add+0x230/0x230
[  229.112513][ T5601]  ? __init_swait_queue_head+0xa5/0x150
[  229.118224][ T5601]  gfs2_sys_fs_add+0x24f/0x4b0
[  229.122996][ T5601]  ? gfs2_recover_set+0x240/0x240
[  229.128154][ T5601]  ? snprintf+0xe5/0x140
[  229.132760][ T5601]  ? __free_pages+0x95/0x1a0
[  229.137356][ T5601]  ? vscnprintf+0x80/0x80
[  229.141696][ T5601]  gfs2_fill_super+0x120f/0x1f00
[  229.146875][ T5601]  ? gfs2_reconfigure+0xd30/0xd30
[  229.152345][ T5601]  ? sb_set_blocksize+0xa5/0xe0
[  229.157296][ T5601]  get_tree_bdev+0x3f1/0x610
[  229.161885][ T5601]  ? gfs2_reconfigure+0xd30/0xd30
[  229.166902][ T5601]  gfs2_get_tree+0x4d/0x1e0
[  229.171410][ T5601]  vfs_get_tree+0x88/0x270
[  229.175824][ T5601]  do_new_mount+0x24a/0xa40
[  229.180322][ T5601]  __se_sys_mount+0x2e3/0x3d0
[  229.185001][ T5601]  ? __x64_sys_mount+0xc0/0xc0
[  229.189758][ T5601]  ? lockdep_hardirqs_on+0x94/0x140
[  229.194970][ T5601]  ? __x64_sys_mount+0x1c/0xc0
[  229.199813][ T5601]  do_syscall_64+0x4c/0xa0
[  229.204338][ T5601]  ? clear_bhb_loop+0x30/0x80
[  229.209016][ T5601]  ? clear_bhb_loop+0x30/0x80
[  229.213800][ T5601]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  229.219959][ T5601] RIP: 0033:0x7f8627b4560a
[  229.224380][ T5601] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  229.243972][ T5601] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.252410][ T5601] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  229.260550][ T5601] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  229.268795][ T5601] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  229.276779][ T5601] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  229.284989][ T5601] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  229.293089][ T5601]  </TASK>
[  229.297875][ T5601] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.311637][ T5601] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  229.630034][ T5603] loop1: detected capacity change from 0 to 32768
[  229.673068][ T5603] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  229.684952][ T5603] CPU: 1 PID: 5603 Comm: syz.1.180 Not tainted syzkaller #0
[  229.692465][ T5603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  229.702593][ T5603] Call Trace:
[  229.705900][ T5603]  <TASK>
[  229.708876][ T5603]  dump_stack_lvl+0x188/0x250
[  229.713633][ T5603]  ? show_regs_print_info+0x20/0x20
[  229.718852][ T5603]  ? load_image+0x400/0x400
[  229.723489][ T5603]  sysfs_create_dir_ns+0x26a/0x290
[  229.728634][ T5603]  ? sysfs_warn_dup+0xa0/0xa0
[  229.733448][ T5603]  ? do_raw_spin_unlock+0x11d/0x230
[  229.738672][ T5603]  kobject_add_internal+0x6e0/0xd90
[  229.743991][ T5603]  kobject_init_and_add+0x128/0x190
[  229.749220][ T5603]  ? lockdep_softirqs_off+0x430/0x430
[  229.754962][ T5603]  ? kobject_add+0x230/0x230
[  229.759673][ T5603]  ? __init_swait_queue_head+0xa5/0x150
[  229.765253][ T5603]  gfs2_sys_fs_add+0x24f/0x4b0
[  229.770131][ T5603]  ? gfs2_recover_set+0x240/0x240
[  229.775353][ T5603]  ? snprintf+0xe5/0x140
[  229.779863][ T5603]  ? __free_pages+0x95/0x1a0
[  229.784678][ T5603]  ? vscnprintf+0x80/0x80
[  229.789118][ T5603]  gfs2_fill_super+0x120f/0x1f00
[  229.794143][ T5603]  ? gfs2_reconfigure+0xd30/0xd30
[  229.799263][ T5603]  ? sb_set_blocksize+0xa5/0xe0
[  229.805025][ T5603]  get_tree_bdev+0x3f1/0x610
[  229.809712][ T5603]  ? gfs2_reconfigure+0xd30/0xd30
[  229.814861][ T5603]  gfs2_get_tree+0x4d/0x1e0
[  229.819748][ T5603]  vfs_get_tree+0x88/0x270
[  229.824182][ T5603]  do_new_mount+0x24a/0xa40
[  229.828693][ T5603]  __se_sys_mount+0x2e3/0x3d0
[  229.833382][ T5603]  ? __x64_sys_mount+0xc0/0xc0
[  229.838147][ T5603]  ? lockdep_hardirqs_on+0x94/0x140
[  229.843345][ T5603]  ? __x64_sys_mount+0x1c/0xc0
[  229.848103][ T5603]  do_syscall_64+0x4c/0xa0
[  229.852544][ T5603]  ? clear_bhb_loop+0x30/0x80
[  229.857205][ T5603]  ? clear_bhb_loop+0x30/0x80
[  229.861980][ T5603]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  229.867880][ T5603] RIP: 0033:0x7f8627b4560a
[  229.872280][ T5603] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  229.891993][ T5603] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.900445][ T5603] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  229.908416][ T5603] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  229.916418][ T5603] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  229.924605][ T5603] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  229.932672][ T5603] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  229.940766][ T5603]  </TASK>
[  229.949220][ T5603] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.963699][ T5603] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  230.287253][ T5605] loop1: detected capacity change from 0 to 32768
[  230.338668][ T5605] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  230.346194][ T5605] CPU: 1 PID: 5605 Comm: syz.1.181 Not tainted syzkaller #0
[  230.353497][ T5605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  230.363581][ T5605] Call Trace:
[  230.366968][ T5605]  <TASK>
[  230.370095][ T5605]  dump_stack_lvl+0x188/0x250
[  230.374798][ T5605]  ? show_regs_print_info+0x20/0x20
[  230.380014][ T5605]  ? load_image+0x400/0x400
[  230.384571][ T5605]  sysfs_create_dir_ns+0x26a/0x290
[  230.389822][ T5605]  ? sysfs_warn_dup+0xa0/0xa0
[  230.394634][ T5605]  ? do_raw_spin_unlock+0x11d/0x230
[  230.399868][ T5605]  kobject_add_internal+0x6e0/0xd90
[  230.405194][ T5605]  kobject_init_and_add+0x128/0x190
[  230.410497][ T5605]  ? lockdep_softirqs_off+0x430/0x430
[  230.415982][ T5605]  ? kobject_add+0x230/0x230
[  230.420969][ T5605]  ? __init_swait_queue_head+0xa5/0x150
[  230.426547][ T5605]  gfs2_sys_fs_add+0x24f/0x4b0
[  230.431338][ T5605]  ? gfs2_recover_set+0x240/0x240
[  230.436360][ T5605]  ? snprintf+0xe5/0x140
[  230.440688][ T5605]  ? __free_pages+0x95/0x1a0
[  230.445284][ T5605]  ? vscnprintf+0x80/0x80
[  230.449624][ T5605]  gfs2_fill_super+0x120f/0x1f00
[  230.454578][ T5605]  ? gfs2_reconfigure+0xd30/0xd30
[  230.459625][ T5605]  ? sb_set_blocksize+0xa5/0xe0
[  230.464466][ T5605]  get_tree_bdev+0x3f1/0x610
[  230.469068][ T5605]  ? gfs2_reconfigure+0xd30/0xd30
[  230.474372][ T5605]  gfs2_get_tree+0x4d/0x1e0
[  230.478869][ T5605]  vfs_get_tree+0x88/0x270
[  230.483366][ T5605]  do_new_mount+0x24a/0xa40
[  230.487868][ T5605]  __se_sys_mount+0x2e3/0x3d0
[  230.492559][ T5605]  ? __x64_sys_mount+0xc0/0xc0
[  230.497409][ T5605]  ? lockdep_hardirqs_on+0x94/0x140
[  230.502689][ T5605]  ? __x64_sys_mount+0x1c/0xc0
[  230.507446][ T5605]  do_syscall_64+0x4c/0xa0
[  230.511937][ T5605]  ? clear_bhb_loop+0x30/0x80
[  230.516649][ T5605]  ? clear_bhb_loop+0x30/0x80
[  230.521453][ T5605]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  230.527367][ T5605] RIP: 0033:0x7f8627b4560a
[  230.531777][ T5605] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  230.551605][ T5605] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.560059][ T5605] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  230.568256][ T5605] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  230.576638][ T5605] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  230.584599][ T5605] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  230.592654][ T5605] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  230.600795][ T5605]  </TASK>
[  230.605040][ T5605] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  230.618323][ T5605] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  230.936536][ T5607] loop1: detected capacity change from 0 to 32768
[  230.988212][ T5607] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  230.995626][ T5607] CPU: 0 PID: 5607 Comm: syz.1.182 Not tainted syzkaller #0
[  231.003098][ T5607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  231.013284][ T5607] Call Trace:
[  231.016582][ T5607]  <TASK>
[  231.019542][ T5607]  dump_stack_lvl+0x188/0x250
[  231.024332][ T5607]  ? show_regs_print_info+0x20/0x20
[  231.029564][ T5607]  ? load_image+0x400/0x400
[  231.034095][ T5607]  sysfs_create_dir_ns+0x26a/0x290
[  231.039235][ T5607]  ? sysfs_warn_dup+0xa0/0xa0
[  231.044053][ T5607]  ? do_raw_spin_unlock+0x11d/0x230
[  231.049272][ T5607]  kobject_add_internal+0x6e0/0xd90
[  231.054502][ T5607]  kobject_init_and_add+0x128/0x190
[  231.059739][ T5607]  ? lockdep_softirqs_off+0x430/0x430
[  231.065220][ T5607]  ? kobject_add+0x230/0x230
[  231.069954][ T5607]  ? __init_swait_queue_head+0xa5/0x150
[  231.075524][ T5607]  gfs2_sys_fs_add+0x24f/0x4b0
[  231.080321][ T5607]  ? gfs2_recover_set+0x240/0x240
[  231.085362][ T5607]  ? snprintf+0xe5/0x140
[  231.089631][ T5607]  ? __free_pages+0x95/0x1a0
[  231.094234][ T5607]  ? vscnprintf+0x80/0x80
[  231.098579][ T5607]  gfs2_fill_super+0x120f/0x1f00
[  231.103618][ T5607]  ? gfs2_reconfigure+0xd30/0xd30
[  231.108691][ T5607]  ? sb_set_blocksize+0xa5/0xe0
[  231.113562][ T5607]  get_tree_bdev+0x3f1/0x610
[  231.118155][ T5607]  ? gfs2_reconfigure+0xd30/0xd30
[  231.123298][ T5607]  gfs2_get_tree+0x4d/0x1e0
[  231.127820][ T5607]  vfs_get_tree+0x88/0x270
[  231.132264][ T5607]  do_new_mount+0x24a/0xa40
[  231.136760][ T5607]  __se_sys_mount+0x2e3/0x3d0
[  231.141559][ T5607]  ? __x64_sys_mount+0xc0/0xc0
[  231.146371][ T5607]  ? lockdep_hardirqs_on+0x94/0x140
[  231.151570][ T5607]  ? __x64_sys_mount+0x1c/0xc0
[  231.156420][ T5607]  do_syscall_64+0x4c/0xa0
[  231.161022][ T5607]  ? clear_bhb_loop+0x30/0x80
[  231.165918][ T5607]  ? clear_bhb_loop+0x30/0x80
[  231.170630][ T5607]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  231.176530][ T5607] RIP: 0033:0x7f8627b4560a
[  231.180962][ T5607] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  231.200736][ T5607] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.209233][ T5607] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  231.217310][ T5607] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  231.225407][ T5607] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  231.233379][ T5607] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  231.241394][ T5607] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  231.249396][ T5607]  </TASK>
[  231.253929][ T5607] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.267500][ T5607] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  231.582141][ T5609] loop1: detected capacity change from 0 to 32768
[  231.636882][ T5609] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  231.644593][ T5609] CPU: 0 PID: 5609 Comm: syz.1.183 Not tainted syzkaller #0
[  231.652071][ T5609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  231.662143][ T5609] Call Trace:
[  231.665438][ T5609]  <TASK>
[  231.668529][ T5609]  dump_stack_lvl+0x188/0x250
[  231.673228][ T5609]  ? show_regs_print_info+0x20/0x20
[  231.678443][ T5609]  ? load_image+0x400/0x400
[  231.682983][ T5609]  sysfs_create_dir_ns+0x26a/0x290
[  231.688113][ T5609]  ? sysfs_warn_dup+0xa0/0xa0
[  231.692812][ T5609]  ? do_raw_spin_unlock+0x11d/0x230
[  231.698040][ T5609]  kobject_add_internal+0x6e0/0xd90
[  231.703257][ T5609]  kobject_init_and_add+0x128/0x190
[  231.708565][ T5609]  ? lockdep_softirqs_off+0x430/0x430
[  231.713955][ T5609]  ? kobject_add+0x230/0x230
[  231.718654][ T5609]  ? __init_swait_queue_head+0xa5/0x150
[  231.724221][ T5609]  gfs2_sys_fs_add+0x24f/0x4b0
[  231.729025][ T5609]  ? gfs2_recover_set+0x240/0x240
[  231.734055][ T5609]  ? snprintf+0xe5/0x140
[  231.738283][ T5609]  ? __free_pages+0x95/0x1a0
[  231.742969][ T5609]  ? vscnprintf+0x80/0x80
[  231.747302][ T5609]  gfs2_fill_super+0x120f/0x1f00
[  231.752257][ T5609]  ? gfs2_reconfigure+0xd30/0xd30
[  231.757283][ T5609]  ? sb_set_blocksize+0xa5/0xe0
[  231.762128][ T5609]  get_tree_bdev+0x3f1/0x610
[  231.766718][ T5609]  ? gfs2_reconfigure+0xd30/0xd30
[  231.771908][ T5609]  gfs2_get_tree+0x4d/0x1e0
[  231.776431][ T5609]  vfs_get_tree+0x88/0x270
[  231.780846][ T5609]  do_new_mount+0x24a/0xa40
[  231.785344][ T5609]  __se_sys_mount+0x2e3/0x3d0
[  231.790006][ T5609]  ? __x64_sys_mount+0xc0/0xc0
[  231.794782][ T5609]  ? lockdep_hardirqs_on+0x94/0x140
[  231.800056][ T5609]  ? __x64_sys_mount+0x1c/0xc0
[  231.804838][ T5609]  do_syscall_64+0x4c/0xa0
[  231.809411][ T5609]  ? clear_bhb_loop+0x30/0x80
[  231.814293][ T5609]  ? clear_bhb_loop+0x30/0x80
[  231.819310][ T5609]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  231.825194][ T5609] RIP: 0033:0x7f8627b4560a
[  231.829604][ T5609] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  231.849394][ T5609] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.857843][ T5609] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  231.865983][ T5609] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  231.874047][ T5609] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  231.882021][ T5609] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  231.889998][ T5609] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  231.897989][ T5609]  </TASK>
[  231.902431][ T5609] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.915600][ T5609] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  232.258740][ T5611] loop1: detected capacity change from 0 to 32768
[  232.351925][ T5611] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  232.359506][ T5611] CPU: 1 PID: 5611 Comm: syz.1.184 Not tainted syzkaller #0
[  232.366897][ T5611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  232.376958][ T5611] Call Trace:
[  232.380246][ T5611]  <TASK>
[  232.383193][ T5611]  dump_stack_lvl+0x188/0x250
[  232.387888][ T5611]  ? show_regs_print_info+0x20/0x20
[  232.393205][ T5611]  ? load_image+0x400/0x400
[  232.397833][ T5611]  sysfs_create_dir_ns+0x26a/0x290
[  232.402965][ T5611]  ? sysfs_warn_dup+0xa0/0xa0
[  232.407664][ T5611]  ? do_raw_spin_unlock+0x11d/0x230
[  232.412876][ T5611]  kobject_add_internal+0x6e0/0xd90
[  232.418096][ T5611]  kobject_init_and_add+0x128/0x190
[  232.423292][ T5611]  ? lockdep_softirqs_off+0x430/0x430
[  232.428897][ T5611]  ? kobject_add+0x230/0x230
[  232.433722][ T5611]  ? __init_swait_queue_head+0xa5/0x150
[  232.439627][ T5611]  gfs2_sys_fs_add+0x24f/0x4b0
[  232.444389][ T5611]  ? gfs2_recover_set+0x240/0x240
[  232.449409][ T5611]  ? snprintf+0xe5/0x140
[  232.453636][ T5611]  ? __free_pages+0x95/0x1a0
[  232.458209][ T5611]  ? vscnprintf+0x80/0x80
[  232.462527][ T5611]  gfs2_fill_super+0x120f/0x1f00
[  232.467496][ T5611]  ? gfs2_reconfigure+0xd30/0xd30
[  232.472543][ T5611]  ? sb_set_blocksize+0xa5/0xe0
[  232.477395][ T5611]  get_tree_bdev+0x3f1/0x610
[  232.481980][ T5611]  ? gfs2_reconfigure+0xd30/0xd30
[  232.487196][ T5611]  gfs2_get_tree+0x4d/0x1e0
[  232.491712][ T5611]  vfs_get_tree+0x88/0x270
[  232.496186][ T5611]  do_new_mount+0x24a/0xa40
[  232.500688][ T5611]  __se_sys_mount+0x2e3/0x3d0
[  232.505369][ T5611]  ? __x64_sys_mount+0xc0/0xc0
[  232.510148][ T5611]  ? lockdep_hardirqs_on+0x94/0x140
[  232.515345][ T5611]  ? __x64_sys_mount+0x1c/0xc0
[  232.520140][ T5611]  do_syscall_64+0x4c/0xa0
[  232.524659][ T5611]  ? clear_bhb_loop+0x30/0x80
[  232.529344][ T5611]  ? clear_bhb_loop+0x30/0x80
[  232.534019][ T5611]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  232.539908][ T5611] RIP: 0033:0x7f8627b4560a
[  232.544448][ T5611] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  232.564125][ T5611] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  232.573032][ T5611] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  232.581102][ T5611] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  232.589463][ T5611] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  232.597880][ T5611] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  232.605855][ T5611] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  232.613821][ T5611]  </TASK>
[  232.617939][ T5611] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  232.631806][ T5611] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  232.954218][ T5613] loop1: detected capacity change from 0 to 32768
[  232.974661][ T5613] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  232.982991][ T5613] CPU: 0 PID: 5613 Comm: syz.1.185 Not tainted syzkaller #0
[  232.990774][ T5613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  233.000936][ T5613] Call Trace:
[  233.004314][ T5613]  <TASK>
[  233.007293][ T5613]  dump_stack_lvl+0x188/0x250
[  233.012007][ T5613]  ? show_regs_print_info+0x20/0x20
[  233.017229][ T5613]  ? load_image+0x400/0x400
[  233.021761][ T5613]  sysfs_create_dir_ns+0x26a/0x290
[  233.026887][ T5613]  ? sysfs_warn_dup+0xa0/0xa0
[  233.031677][ T5613]  ? do_raw_spin_unlock+0x11d/0x230
[  233.036892][ T5613]  kobject_add_internal+0x6e0/0xd90
[  233.042414][ T5613]  kobject_init_and_add+0x128/0x190
[  233.047743][ T5613]  ? lockdep_softirqs_off+0x430/0x430
[  233.053356][ T5613]  ? kobject_add+0x230/0x230
[  233.057957][ T5613]  ? __init_swait_queue_head+0xa5/0x150
[  233.063505][ T5613]  gfs2_sys_fs_add+0x24f/0x4b0
[  233.068626][ T5613]  ? gfs2_recover_set+0x240/0x240
[  233.073905][ T5613]  ? snprintf+0xe5/0x140
[  233.078143][ T5613]  ? __free_pages+0x95/0x1a0
[  233.082827][ T5613]  ? vscnprintf+0x80/0x80
[  233.087249][ T5613]  gfs2_fill_super+0x120f/0x1f00
[  233.092217][ T5613]  ? gfs2_reconfigure+0xd30/0xd30
[  233.097298][ T5613]  ? sb_set_blocksize+0xa5/0xe0
[  233.102315][ T5613]  get_tree_bdev+0x3f1/0x610
[  233.106941][ T5613]  ? gfs2_reconfigure+0xd30/0xd30
[  233.112485][ T5613]  gfs2_get_tree+0x4d/0x1e0
[  233.117012][ T5613]  vfs_get_tree+0x88/0x270
[  233.121664][ T5613]  do_new_mount+0x24a/0xa40
[  233.126625][ T5613]  __se_sys_mount+0x2e3/0x3d0
[  233.131431][ T5613]  ? __x64_sys_mount+0xc0/0xc0
[  233.136323][ T5613]  ? lockdep_hardirqs_on+0x94/0x140
[  233.141626][ T5613]  ? __x64_sys_mount+0x1c/0xc0
[  233.146399][ T5613]  do_syscall_64+0x4c/0xa0
[  233.150924][ T5613]  ? clear_bhb_loop+0x30/0x80
[  233.155658][ T5613]  ? clear_bhb_loop+0x30/0x80
[  233.160518][ T5613]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  233.166406][ T5613] RIP: 0033:0x7f8627b4560a
[  233.170900][ T5613] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  233.190607][ T5613] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  233.199014][ T5613] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  233.207158][ T5613] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  233.215222][ T5613] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  233.223447][ T5613] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  233.231638][ T5613] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  233.239636][ T5613]  </TASK>
[  233.244135][ T5613] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  233.257698][ T5613] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/11 15:29:37 executed programs: 171
[  233.572587][ T5615] loop1: detected capacity change from 0 to 32768
[  233.648073][ T5615] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  233.656258][ T5615] CPU: 1 PID: 5615 Comm: syz.1.186 Not tainted syzkaller #0
[  233.663694][ T5615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  233.673918][ T5615] Call Trace:
[  233.677218][ T5615]  <TASK>
[  233.680156][ T5615]  dump_stack_lvl+0x188/0x250
[  233.684852][ T5615]  ? show_regs_print_info+0x20/0x20
[  233.690073][ T5615]  ? load_image+0x400/0x400
[  233.694600][ T5615]  sysfs_create_dir_ns+0x26a/0x290
[  233.699918][ T5615]  ? sysfs_warn_dup+0xa0/0xa0
[  233.704714][ T5615]  ? do_raw_spin_unlock+0x11d/0x230
[  233.709943][ T5615]  kobject_add_internal+0x6e0/0xd90
[  233.715169][ T5615]  kobject_init_and_add+0x128/0x190
[  233.720386][ T5615]  ? lockdep_softirqs_off+0x430/0x430
[  233.725780][ T5615]  ? kobject_add+0x230/0x230
[  233.730425][ T5615]  ? __init_swait_queue_head+0xa5/0x150
[  233.735990][ T5615]  gfs2_sys_fs_add+0x24f/0x4b0
[  233.740767][ T5615]  ? gfs2_recover_set+0x240/0x240
[  233.745814][ T5615]  ? snprintf+0xe5/0x140
[  233.750073][ T5615]  ? __free_pages+0x95/0x1a0
[  233.754650][ T5615]  ? vscnprintf+0x80/0x80
[  233.759074][ T5615]  gfs2_fill_super+0x120f/0x1f00
[  233.764026][ T5615]  ? gfs2_reconfigure+0xd30/0xd30
[  233.769071][ T5615]  ? sb_set_blocksize+0xa5/0xe0
[  233.773992][ T5615]  get_tree_bdev+0x3f1/0x610
[  233.778665][ T5615]  ? gfs2_reconfigure+0xd30/0xd30
[  233.783825][ T5615]  gfs2_get_tree+0x4d/0x1e0
[  233.788314][ T5615]  vfs_get_tree+0x88/0x270
[  233.792715][ T5615]  do_new_mount+0x24a/0xa40
[  233.797204][ T5615]  __se_sys_mount+0x2e3/0x3d0
[  233.801875][ T5615]  ? __x64_sys_mount+0xc0/0xc0
[  233.806718][ T5615]  ? lockdep_hardirqs_on+0x94/0x140
[  233.811899][ T5615]  ? __x64_sys_mount+0x1c/0xc0
[  233.816655][ T5615]  do_syscall_64+0x4c/0xa0
[  233.821051][ T5615]  ? clear_bhb_loop+0x30/0x80
[  233.825735][ T5615]  ? clear_bhb_loop+0x30/0x80
[  233.830395][ T5615]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  233.836446][ T5615] RIP: 0033:0x7f8627b4560a
[  233.841018][ T5615] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  233.860607][ T5615] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  233.869010][ T5615] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  233.877056][ T5615] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  233.885174][ T5615] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  233.893452][ T5615] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  233.901598][ T5615] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  233.909683][ T5615]  </TASK>
[  233.914011][ T5615] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  233.927970][ T5615] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  234.266892][ T5617] loop1: detected capacity change from 0 to 32768
[  234.317994][ T5617] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  234.325402][ T5617] CPU: 1 PID: 5617 Comm: syz.1.187 Not tainted syzkaller #0
[  234.332697][ T5617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  234.342767][ T5617] Call Trace:
[  234.346058][ T5617]  <TASK>
[  234.349012][ T5617]  dump_stack_lvl+0x188/0x250
[  234.353957][ T5617]  ? show_regs_print_info+0x20/0x20
[  234.359276][ T5617]  ? load_image+0x400/0x400
[  234.363858][ T5617]  sysfs_create_dir_ns+0x26a/0x290
[  234.369073][ T5617]  ? sysfs_warn_dup+0xa0/0xa0
[  234.373775][ T5617]  ? do_raw_spin_unlock+0x11d/0x230
[  234.379214][ T5617]  kobject_add_internal+0x6e0/0xd90
[  234.384699][ T5617]  kobject_init_and_add+0x128/0x190
[  234.389915][ T5617]  ? lockdep_softirqs_off+0x430/0x430
[  234.395320][ T5617]  ? kobject_add+0x230/0x230
[  234.399934][ T5617]  ? __init_swait_queue_head+0xa5/0x150
[  234.405499][ T5617]  gfs2_sys_fs_add+0x24f/0x4b0
[  234.410276][ T5617]  ? gfs2_recover_set+0x240/0x240
[  234.415378][ T5617]  ? snprintf+0xe5/0x140
[  234.419618][ T5617]  ? __free_pages+0x95/0x1a0
[  234.424358][ T5617]  ? vscnprintf+0x80/0x80
[  234.428686][ T5617]  gfs2_fill_super+0x120f/0x1f00
[  234.433626][ T5617]  ? gfs2_reconfigure+0xd30/0xd30
[  234.438889][ T5617]  ? sb_set_blocksize+0xa5/0xe0
[  234.443880][ T5617]  get_tree_bdev+0x3f1/0x610
[  234.448468][ T5617]  ? gfs2_reconfigure+0xd30/0xd30
[  234.453484][ T5617]  gfs2_get_tree+0x4d/0x1e0
[  234.457999][ T5617]  vfs_get_tree+0x88/0x270
[  234.462420][ T5617]  do_new_mount+0x24a/0xa40
[  234.467111][ T5617]  __se_sys_mount+0x2e3/0x3d0
[  234.471791][ T5617]  ? __x64_sys_mount+0xc0/0xc0
[  234.476558][ T5617]  ? lockdep_hardirqs_on+0x94/0x140
[  234.481751][ T5617]  ? __x64_sys_mount+0x1c/0xc0
[  234.486516][ T5617]  do_syscall_64+0x4c/0xa0
[  234.490923][ T5617]  ? clear_bhb_loop+0x30/0x80
[  234.495603][ T5617]  ? clear_bhb_loop+0x30/0x80
[  234.500265][ T5617]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  234.506286][ T5617] RIP: 0033:0x7f8627b4560a
[  234.510717][ T5617] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  234.530530][ T5617] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  234.539027][ T5617] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  234.547187][ T5617] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  234.555219][ T5617] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  234.563322][ T5617] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  234.571863][ T5617] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  234.580081][ T5617]  </TASK>
[  234.584400][ T5617] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  234.598489][ T5617] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  234.919158][ T5619] loop1: detected capacity change from 0 to 32768
[  235.021112][ T5619] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  235.029579][ T5619] CPU: 0 PID: 5619 Comm: syz.1.188 Not tainted syzkaller #0
[  235.036891][ T5619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  235.046968][ T5619] Call Trace:
[  235.050262][ T5619]  <TASK>
[  235.053244][ T5619]  dump_stack_lvl+0x188/0x250
[  235.057948][ T5619]  ? show_regs_print_info+0x20/0x20
[  235.063158][ T5619]  ? load_image+0x400/0x400
[  235.067679][ T5619]  sysfs_create_dir_ns+0x26a/0x290
[  235.072799][ T5619]  ? sysfs_warn_dup+0xa0/0xa0
[  235.077759][ T5619]  ? do_raw_spin_unlock+0x11d/0x230
[  235.083062][ T5619]  kobject_add_internal+0x6e0/0xd90
[  235.088279][ T5619]  kobject_init_and_add+0x128/0x190
[  235.093463][ T5619]  ? lockdep_softirqs_off+0x430/0x430
[  235.098830][ T5619]  ? kobject_add+0x230/0x230
[  235.103452][ T5619]  ? __init_swait_queue_head+0xa5/0x150
[  235.109168][ T5619]  gfs2_sys_fs_add+0x24f/0x4b0
[  235.113978][ T5619]  ? gfs2_recover_set+0x240/0x240
[  235.119182][ T5619]  ? snprintf+0xe5/0x140
[  235.123422][ T5619]  ? __free_pages+0x95/0x1a0
[  235.128003][ T5619]  ? vscnprintf+0x80/0x80
[  235.132422][ T5619]  gfs2_fill_super+0x120f/0x1f00
[  235.137530][ T5619]  ? gfs2_reconfigure+0xd30/0xd30
[  235.142542][ T5619]  ? sb_set_blocksize+0xa5/0xe0
[  235.147375][ T5619]  get_tree_bdev+0x3f1/0x610
[  235.151950][ T5619]  ? gfs2_reconfigure+0xd30/0xd30
[  235.157088][ T5619]  gfs2_get_tree+0x4d/0x1e0
[  235.161593][ T5619]  vfs_get_tree+0x88/0x270
[  235.166040][ T5619]  do_new_mount+0x24a/0xa40
[  235.170544][ T5619]  __se_sys_mount+0x2e3/0x3d0
[  235.175309][ T5619]  ? __x64_sys_mount+0xc0/0xc0
[  235.180165][ T5619]  ? lockdep_hardirqs_on+0x94/0x140
[  235.185348][ T5619]  ? __x64_sys_mount+0x1c/0xc0
[  235.190097][ T5619]  do_syscall_64+0x4c/0xa0
[  235.194507][ T5619]  ? clear_bhb_loop+0x30/0x80
[  235.199253][ T5619]  ? clear_bhb_loop+0x30/0x80
[  235.203929][ T5619]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  235.209807][ T5619] RIP: 0033:0x7f8627b4560a
[  235.214208][ T5619] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  235.234241][ T5619] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.242759][ T5619] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  235.250825][ T5619] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  235.258882][ T5619] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  235.266947][ T5619] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  235.274998][ T5619] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  235.283527][ T5619]  </TASK>
[  235.289631][ T5619] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  235.303416][ T5619] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  235.616742][ T5621] loop1: detected capacity change from 0 to 32768
[  235.660684][ T5621] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  235.669215][ T5621] CPU: 0 PID: 5621 Comm: syz.1.189 Not tainted syzkaller #0
[  235.676623][ T5621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  235.686692][ T5621] Call Trace:
[  235.689992][ T5621]  <TASK>
[  235.692973][ T5621]  dump_stack_lvl+0x188/0x250
[  235.697679][ T5621]  ? show_regs_print_info+0x20/0x20
[  235.702979][ T5621]  ? load_image+0x400/0x400
[  235.707588][ T5621]  sysfs_create_dir_ns+0x26a/0x290
[  235.712729][ T5621]  ? sysfs_warn_dup+0xa0/0xa0
[  235.717423][ T5621]  ? do_raw_spin_unlock+0x11d/0x230
[  235.722634][ T5621]  kobject_add_internal+0x6e0/0xd90
[  235.727845][ T5621]  kobject_init_and_add+0x128/0x190
[  235.733050][ T5621]  ? lockdep_softirqs_off+0x430/0x430
[  235.738552][ T5621]  ? kobject_add+0x230/0x230
[  235.743158][ T5621]  ? __init_swait_queue_head+0xa5/0x150
[  235.748720][ T5621]  gfs2_sys_fs_add+0x24f/0x4b0
[  235.753747][ T5621]  ? gfs2_recover_set+0x240/0x240
[  235.759124][ T5621]  ? snprintf+0xe5/0x140
[  235.763452][ T5621]  ? __free_pages+0x95/0x1a0
[  235.768203][ T5621]  ? vscnprintf+0x80/0x80
[  235.772523][ T5621]  gfs2_fill_super+0x120f/0x1f00
[  235.777705][ T5621]  ? gfs2_reconfigure+0xd30/0xd30
[  235.783134][ T5621]  ? sb_set_blocksize+0xa5/0xe0
[  235.788157][ T5621]  get_tree_bdev+0x3f1/0x610
[  235.793011][ T5621]  ? gfs2_reconfigure+0xd30/0xd30
[  235.798037][ T5621]  gfs2_get_tree+0x4d/0x1e0
[  235.802530][ T5621]  vfs_get_tree+0x88/0x270
[  235.806931][ T5621]  do_new_mount+0x24a/0xa40
[  235.811701][ T5621]  __se_sys_mount+0x2e3/0x3d0
[  235.816397][ T5621]  ? __x64_sys_mount+0xc0/0xc0
[  235.821323][ T5621]  ? lockdep_hardirqs_on+0x94/0x140
[  235.826646][ T5621]  ? __x64_sys_mount+0x1c/0xc0
[  235.831413][ T5621]  do_syscall_64+0x4c/0xa0
[  235.835825][ T5621]  ? clear_bhb_loop+0x30/0x80
[  235.840609][ T5621]  ? clear_bhb_loop+0x30/0x80
[  235.845272][ T5621]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  235.851237][ T5621] RIP: 0033:0x7f8627b4560a
[  235.855639][ T5621] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  235.875328][ T5621] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.883818][ T5621] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  235.891885][ T5621] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  235.899844][ T5621] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  235.907806][ T5621] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  235.915792][ T5621] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  235.923850][ T5621]  </TASK>
[  235.928483][ T5621] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  235.941851][ T5621] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  236.264875][ T5623] loop1: detected capacity change from 0 to 32768
[  236.306886][ T5623] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  236.314900][ T5623] CPU: 0 PID: 5623 Comm: syz.1.190 Not tainted syzkaller #0
[  236.322286][ T5623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  236.332443][ T5623] Call Trace:
[  236.335739][ T5623]  <TASK>
[  236.338698][ T5623]  dump_stack_lvl+0x188/0x250
[  236.343391][ T5623]  ? show_regs_print_info+0x20/0x20
[  236.348612][ T5623]  ? load_image+0x400/0x400
[  236.353619][ T5623]  sysfs_create_dir_ns+0x26a/0x290
[  236.358837][ T5623]  ? sysfs_warn_dup+0xa0/0xa0
[  236.363597][ T5623]  ? do_raw_spin_unlock+0x11d/0x230
[  236.368900][ T5623]  kobject_add_internal+0x6e0/0xd90
[  236.374136][ T5623]  kobject_init_and_add+0x128/0x190
[  236.379535][ T5623]  ? lockdep_softirqs_off+0x430/0x430
[  236.385029][ T5623]  ? kobject_add+0x230/0x230
[  236.389728][ T5623]  ? __init_swait_queue_head+0xa5/0x150
[  236.395379][ T5623]  gfs2_sys_fs_add+0x24f/0x4b0
[  236.400139][ T5623]  ? gfs2_recover_set+0x240/0x240
[  236.405168][ T5623]  ? snprintf+0xe5/0x140
[  236.409490][ T5623]  ? __free_pages+0x95/0x1a0
[  236.414084][ T5623]  ? vscnprintf+0x80/0x80
[  236.418468][ T5623]  gfs2_fill_super+0x120f/0x1f00
[  236.423545][ T5623]  ? gfs2_reconfigure+0xd30/0xd30
[  236.428681][ T5623]  ? sb_set_blocksize+0xa5/0xe0
[  236.433552][ T5623]  get_tree_bdev+0x3f1/0x610
[  236.438138][ T5623]  ? gfs2_reconfigure+0xd30/0xd30
[  236.443151][ T5623]  gfs2_get_tree+0x4d/0x1e0
[  236.447671][ T5623]  vfs_get_tree+0x88/0x270
[  236.452220][ T5623]  do_new_mount+0x24a/0xa40
[  236.456719][ T5623]  __se_sys_mount+0x2e3/0x3d0
[  236.461394][ T5623]  ? __x64_sys_mount+0xc0/0xc0
[  236.466246][ T5623]  ? lockdep_hardirqs_on+0x94/0x140
[  236.471527][ T5623]  ? __x64_sys_mount+0x1c/0xc0
[  236.476306][ T5623]  do_syscall_64+0x4c/0xa0
[  236.480935][ T5623]  ? clear_bhb_loop+0x30/0x80
[  236.485634][ T5623]  ? clear_bhb_loop+0x30/0x80
[  236.490311][ T5623]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  236.496280][ T5623] RIP: 0033:0x7f8627b4560a
[  236.500784][ T5623] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  236.520792][ T5623] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  236.529555][ T5623] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  236.537605][ T5623] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  236.545666][ T5623] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  236.553623][ T5623] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  236.561679][ T5623] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  236.569662][ T5623]  </TASK>
[  236.574498][ T5623] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  236.587801][ T5623] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  236.920657][ T5625] loop1: detected capacity change from 0 to 32768
[  236.966936][ T5625] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  236.975140][ T5625] CPU: 1 PID: 5625 Comm: syz.1.191 Not tainted syzkaller #0
[  236.982460][ T5625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  236.992524][ T5625] Call Trace:
[  236.995858][ T5625]  <TASK>
[  236.998886][ T5625]  dump_stack_lvl+0x188/0x250
[  237.003705][ T5625]  ? show_regs_print_info+0x20/0x20
[  237.008933][ T5625]  ? load_image+0x400/0x400
[  237.013470][ T5625]  sysfs_create_dir_ns+0x26a/0x290
[  237.018697][ T5625]  ? sysfs_warn_dup+0xa0/0xa0
[  237.023456][ T5625]  ? do_raw_spin_unlock+0x11d/0x230
[  237.028873][ T5625]  kobject_add_internal+0x6e0/0xd90
[  237.034372][ T5625]  kobject_init_and_add+0x128/0x190
[  237.039601][ T5625]  ? lockdep_softirqs_off+0x430/0x430
[  237.045434][ T5625]  ? kobject_add+0x230/0x230
[  237.050046][ T5625]  ? __init_swait_queue_head+0xa5/0x150
[  237.055612][ T5625]  gfs2_sys_fs_add+0x24f/0x4b0
[  237.060530][ T5625]  ? gfs2_recover_set+0x240/0x240
[  237.065665][ T5625]  ? snprintf+0xe5/0x140
[  237.069913][ T5625]  ? __free_pages+0x95/0x1a0
[  237.074528][ T5625]  ? vscnprintf+0x80/0x80
[  237.079042][ T5625]  gfs2_fill_super+0x120f/0x1f00
[  237.084140][ T5625]  ? gfs2_reconfigure+0xd30/0xd30
[  237.089171][ T5625]  ? sb_set_blocksize+0xa5/0xe0
[  237.094013][ T5625]  get_tree_bdev+0x3f1/0x610
[  237.098594][ T5625]  ? gfs2_reconfigure+0xd30/0xd30
[  237.103611][ T5625]  gfs2_get_tree+0x4d/0x1e0
[  237.108256][ T5625]  vfs_get_tree+0x88/0x270
[  237.112937][ T5625]  do_new_mount+0x24a/0xa40
[  237.117462][ T5625]  __se_sys_mount+0x2e3/0x3d0
[  237.122264][ T5625]  ? __x64_sys_mount+0xc0/0xc0
[  237.127025][ T5625]  ? lockdep_hardirqs_on+0x94/0x140
[  237.132337][ T5625]  ? __x64_sys_mount+0x1c/0xc0
[  237.137122][ T5625]  do_syscall_64+0x4c/0xa0
[  237.141532][ T5625]  ? clear_bhb_loop+0x30/0x80
[  237.146280][ T5625]  ? clear_bhb_loop+0x30/0x80
[  237.151033][ T5625]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  237.156911][ T5625] RIP: 0033:0x7f8627b4560a
[  237.161325][ T5625] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  237.181368][ T5625] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  237.190046][ T5625] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  237.198118][ T5625] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  237.206092][ T5625] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  237.214160][ T5625] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  237.222249][ T5625] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  237.230429][ T5625]  </TASK>
[  237.234505][ T5625] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  237.250228][ T5625] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  237.575565][ T5627] loop1: detected capacity change from 0 to 32768
[  237.622551][ T5627] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  237.635479][ T5627] CPU: 0 PID: 5627 Comm: syz.1.192 Not tainted syzkaller #0
[  237.642900][ T5627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  237.653065][ T5627] Call Trace:
[  237.656351][ T5627]  <TASK>
[  237.659287][ T5627]  dump_stack_lvl+0x188/0x250
[  237.663996][ T5627]  ? show_regs_print_info+0x20/0x20
[  237.669214][ T5627]  ? load_image+0x400/0x400
[  237.673745][ T5627]  sysfs_create_dir_ns+0x26a/0x290
[  237.678882][ T5627]  ? sysfs_warn_dup+0xa0/0xa0
[  237.683598][ T5627]  ? do_raw_spin_unlock+0x11d/0x230
[  237.688994][ T5627]  kobject_add_internal+0x6e0/0xd90
[  237.694220][ T5627]  kobject_init_and_add+0x128/0x190
[  237.699485][ T5627]  ? lockdep_softirqs_off+0x430/0x430
[  237.704893][ T5627]  ? kobject_add+0x230/0x230
[  237.709497][ T5627]  ? __init_swait_queue_head+0xa5/0x150
[  237.715127][ T5627]  gfs2_sys_fs_add+0x24f/0x4b0
[  237.719883][ T5627]  ? gfs2_recover_set+0x240/0x240
[  237.724895][ T5627]  ? snprintf+0xe5/0x140
[  237.729117][ T5627]  ? __free_pages+0x95/0x1a0
[  237.733705][ T5627]  ? vscnprintf+0x80/0x80
[  237.738053][ T5627]  gfs2_fill_super+0x120f/0x1f00
[  237.743017][ T5627]  ? gfs2_reconfigure+0xd30/0xd30
[  237.748241][ T5627]  ? sb_set_blocksize+0xa5/0xe0
[  237.753107][ T5627]  get_tree_bdev+0x3f1/0x610
[  237.757688][ T5627]  ? gfs2_reconfigure+0xd30/0xd30
[  237.762787][ T5627]  gfs2_get_tree+0x4d/0x1e0
[  237.767381][ T5627]  vfs_get_tree+0x88/0x270
[  237.771901][ T5627]  do_new_mount+0x24a/0xa40
[  237.776697][ T5627]  __se_sys_mount+0x2e3/0x3d0
[  237.781398][ T5627]  ? __x64_sys_mount+0xc0/0xc0
[  237.786392][ T5627]  ? lockdep_hardirqs_on+0x94/0x140
[  237.791608][ T5627]  ? __x64_sys_mount+0x1c/0xc0
[  237.796553][ T5627]  do_syscall_64+0x4c/0xa0
[  237.801056][ T5627]  ? clear_bhb_loop+0x30/0x80
[  237.805736][ T5627]  ? clear_bhb_loop+0x30/0x80
[  237.810591][ T5627]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  237.816795][ T5627] RIP: 0033:0x7f8627b4560a
[  237.821214][ T5627] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  237.840927][ T5627] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  237.849581][ T5627] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  237.857630][ T5627] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  237.865597][ T5627] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  237.873732][ T5627] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  237.881696][ T5627] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  237.889673][ T5627]  </TASK>
[  237.894969][ T5627] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  237.908345][ T5627] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  238.227403][ T5629] loop1: detected capacity change from 0 to 32768
[  238.288126][ T5629] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  238.295643][ T5629] CPU: 1 PID: 5629 Comm: syz.1.193 Not tainted syzkaller #0
[  238.302943][ T5629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  238.313173][ T5629] Call Trace:
[  238.316476][ T5629]  <TASK>
[  238.319421][ T5629]  dump_stack_lvl+0x188/0x250
[  238.324116][ T5629]  ? show_regs_print_info+0x20/0x20
[  238.329332][ T5629]  ? load_image+0x400/0x400
[  238.333857][ T5629]  sysfs_create_dir_ns+0x26a/0x290
[  238.338982][ T5629]  ? sysfs_warn_dup+0xa0/0xa0
[  238.343672][ T5629]  ? do_raw_spin_unlock+0x11d/0x230
[  238.348977][ T5629]  kobject_add_internal+0x6e0/0xd90
[  238.354195][ T5629]  kobject_init_and_add+0x128/0x190
[  238.359499][ T5629]  ? lockdep_softirqs_off+0x430/0x430
[  238.364895][ T5629]  ? kobject_add+0x230/0x230
[  238.369562][ T5629]  ? __init_swait_queue_head+0xa5/0x150
[  238.375338][ T5629]  gfs2_sys_fs_add+0x24f/0x4b0
[  238.380120][ T5629]  ? gfs2_recover_set+0x240/0x240
[  238.385287][ T5629]  ? snprintf+0xe5/0x140
[  238.389525][ T5629]  ? __free_pages+0x95/0x1a0
[  238.394116][ T5629]  ? vscnprintf+0x80/0x80
[  238.398561][ T5629]  gfs2_fill_super+0x120f/0x1f00
[  238.403526][ T5629]  ? gfs2_reconfigure+0xd30/0xd30
[  238.408553][ T5629]  ? sb_set_blocksize+0xa5/0xe0
[  238.413596][ T5629]  get_tree_bdev+0x3f1/0x610
[  238.418281][ T5629]  ? gfs2_reconfigure+0xd30/0xd30
[  238.423312][ T5629]  gfs2_get_tree+0x4d/0x1e0
[  238.427992][ T5629]  vfs_get_tree+0x88/0x270
[  238.432512][ T5629]  do_new_mount+0x24a/0xa40
[  238.437149][ T5629]  __se_sys_mount+0x2e3/0x3d0
[  238.441891][ T5629]  ? __x64_sys_mount+0xc0/0xc0
[  238.446663][ T5629]  ? lockdep_hardirqs_on+0x94/0x140
[  238.452186][ T5629]  ? __x64_sys_mount+0x1c/0xc0
[  238.456947][ T5629]  do_syscall_64+0x4c/0xa0
[  238.461352][ T5629]  ? clear_bhb_loop+0x30/0x80
[  238.466032][ T5629]  ? clear_bhb_loop+0x30/0x80
[  238.470726][ T5629]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  238.476610][ T5629] RIP: 0033:0x7f8627b4560a
[  238.481015][ T5629] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  238.500984][ T5629] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.509491][ T5629] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  238.517471][ T5629] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  238.525532][ T5629] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  238.533657][ T5629] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  238.541619][ T5629] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  238.550026][ T5629]  </TASK>
[  238.555014][ T5629] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  238.568665][ T5629] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/11 15:29:42 executed programs: 179
[  238.889534][ T5631] loop1: detected capacity change from 0 to 32768
[  238.946787][ T5631] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  238.954445][ T5631] CPU: 1 PID: 5631 Comm: syz.1.194 Not tainted syzkaller #0
[  238.961750][ T5631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  238.971820][ T5631] Call Trace:
[  238.975109][ T5631]  <TASK>
[  238.978050][ T5631]  dump_stack_lvl+0x188/0x250
[  238.982752][ T5631]  ? show_regs_print_info+0x20/0x20
[  238.988147][ T5631]  ? load_image+0x400/0x400
[  238.992768][ T5631]  sysfs_create_dir_ns+0x26a/0x290
[  238.997916][ T5631]  ? sysfs_warn_dup+0xa0/0xa0
[  239.002664][ T5631]  ? do_raw_spin_unlock+0x11d/0x230
[  239.007919][ T5631]  kobject_add_internal+0x6e0/0xd90
[  239.013161][ T5631]  kobject_init_and_add+0x128/0x190
[  239.018387][ T5631]  ? lockdep_softirqs_off+0x430/0x430
[  239.023960][ T5631]  ? kobject_add+0x230/0x230
[  239.028695][ T5631]  ? __init_swait_queue_head+0xa5/0x150
[  239.034349][ T5631]  gfs2_sys_fs_add+0x24f/0x4b0
[  239.039272][ T5631]  ? gfs2_recover_set+0x240/0x240
[  239.044443][ T5631]  ? snprintf+0xe5/0x140
[  239.048697][ T5631]  ? __free_pages+0x95/0x1a0
[  239.053396][ T5631]  ? vscnprintf+0x80/0x80
[  239.057750][ T5631]  gfs2_fill_super+0x120f/0x1f00
[  239.062842][ T5631]  ? gfs2_reconfigure+0xd30/0xd30
[  239.067975][ T5631]  ? sb_set_blocksize+0xa5/0xe0
[  239.072945][ T5631]  get_tree_bdev+0x3f1/0x610
[  239.077523][ T5631]  ? gfs2_reconfigure+0xd30/0xd30
[  239.082796][ T5631]  gfs2_get_tree+0x4d/0x1e0
[  239.087324][ T5631]  vfs_get_tree+0x88/0x270
[  239.091730][ T5631]  do_new_mount+0x24a/0xa40
[  239.096326][ T5631]  __se_sys_mount+0x2e3/0x3d0
[  239.101080][ T5631]  ? __x64_sys_mount+0xc0/0xc0
[  239.106030][ T5631]  ? lockdep_hardirqs_on+0x94/0x140
[  239.111429][ T5631]  ? __x64_sys_mount+0x1c/0xc0
[  239.116190][ T5631]  do_syscall_64+0x4c/0xa0
[  239.120693][ T5631]  ? clear_bhb_loop+0x30/0x80
[  239.127087][ T5631]  ? clear_bhb_loop+0x30/0x80
[  239.131764][ T5631]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  239.137733][ T5631] RIP: 0033:0x7f8627b4560a
[  239.142374][ T5631] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  239.162061][ T5631] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.170493][ T5631] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  239.178452][ T5631] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  239.186412][ T5631] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  239.194379][ T5631] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  239.202429][ T5631] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  239.210740][ T5631]  </TASK>
[  239.214658][ T5631] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  239.228107][ T5631] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  239.531446][ T5633] loop1: detected capacity change from 0 to 32768
[  239.587385][ T5633] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  239.595065][ T5633] CPU: 1 PID: 5633 Comm: syz.1.195 Not tainted syzkaller #0
[  239.602456][ T5633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  239.612526][ T5633] Call Trace:
[  239.615818][ T5633]  <TASK>
[  239.618766][ T5633]  dump_stack_lvl+0x188/0x250
[  239.623459][ T5633]  ? show_regs_print_info+0x20/0x20
[  239.628717][ T5633]  ? load_image+0x400/0x400
[  239.633336][ T5633]  sysfs_create_dir_ns+0x26a/0x290
[  239.638463][ T5633]  ? sysfs_warn_dup+0xa0/0xa0
[  239.643361][ T5633]  ? do_raw_spin_unlock+0x11d/0x230
[  239.648655][ T5633]  kobject_add_internal+0x6e0/0xd90
[  239.653885][ T5633]  kobject_init_and_add+0x128/0x190
[  239.659248][ T5633]  ? lockdep_softirqs_off+0x430/0x430
[  239.664646][ T5633]  ? kobject_add+0x230/0x230
[  239.669266][ T5633]  ? __init_swait_queue_head+0xa5/0x150
[  239.674811][ T5633]  gfs2_sys_fs_add+0x24f/0x4b0
[  239.679585][ T5633]  ? gfs2_recover_set+0x240/0x240
[  239.684622][ T5633]  ? snprintf+0xe5/0x140
[  239.688989][ T5633]  ? __free_pages+0x95/0x1a0
[  239.693600][ T5633]  ? vscnprintf+0x80/0x80
[  239.697942][ T5633]  gfs2_fill_super+0x120f/0x1f00
[  239.702897][ T5633]  ? gfs2_reconfigure+0xd30/0xd30
[  239.707920][ T5633]  ? sb_set_blocksize+0xa5/0xe0
[  239.712933][ T5633]  get_tree_bdev+0x3f1/0x610
[  239.717528][ T5633]  ? gfs2_reconfigure+0xd30/0xd30
[  239.722680][ T5633]  gfs2_get_tree+0x4d/0x1e0
[  239.727204][ T5633]  vfs_get_tree+0x88/0x270
[  239.731805][ T5633]  do_new_mount+0x24a/0xa40
[  239.736393][ T5633]  __se_sys_mount+0x2e3/0x3d0
[  239.741060][ T5633]  ? __x64_sys_mount+0xc0/0xc0
[  239.745844][ T5633]  ? lockdep_hardirqs_on+0x94/0x140
[  239.751032][ T5633]  ? __x64_sys_mount+0x1c/0xc0
[  239.755886][ T5633]  do_syscall_64+0x4c/0xa0
[  239.760292][ T5633]  ? clear_bhb_loop+0x30/0x80
[  239.765037][ T5633]  ? clear_bhb_loop+0x30/0x80
[  239.769905][ T5633]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  239.775805][ T5633] RIP: 0033:0x7f8627b4560a
[  239.780299][ T5633] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  239.800942][ T5633] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.809439][ T5633] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  239.817419][ T5633] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  239.825393][ T5633] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  239.833450][ T5633] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  239.841412][ T5633] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  239.849489][ T5633]  </TASK>
[  239.853525][ T5633] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  239.866926][ T5633] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  240.163093][ T5635] loop1: detected capacity change from 0 to 32768
[  240.271733][ T5635] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.279852][ T5635] CPU: 1 PID: 5635 Comm: syz.1.196 Not tainted syzkaller #0
[  240.287180][ T5635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  240.297336][ T5635] Call Trace:
[  240.300656][ T5635]  <TASK>
[  240.303602][ T5635]  dump_stack_lvl+0x188/0x250
[  240.308309][ T5635]  ? show_regs_print_info+0x20/0x20
[  240.313621][ T5635]  ? load_image+0x400/0x400
[  240.318146][ T5635]  sysfs_create_dir_ns+0x26a/0x290
[  240.323268][ T5635]  ? sysfs_warn_dup+0xa0/0xa0
[  240.328191][ T5635]  ? do_raw_spin_unlock+0x11d/0x230
[  240.333393][ T5635]  kobject_add_internal+0x6e0/0xd90
[  240.338732][ T5635]  kobject_init_and_add+0x128/0x190
[  240.343939][ T5635]  ? lockdep_softirqs_off+0x430/0x430
[  240.349386][ T5635]  ? kobject_add+0x230/0x230
[  240.354198][ T5635]  ? __init_swait_queue_head+0xa5/0x150
[  240.359974][ T5635]  gfs2_sys_fs_add+0x24f/0x4b0
[  240.364759][ T5635]  ? gfs2_recover_set+0x240/0x240
[  240.369810][ T5635]  ? snprintf+0xe5/0x140
[  240.374439][ T5635]  ? __free_pages+0x95/0x1a0
[  240.379131][ T5635]  ? vscnprintf+0x80/0x80
[  240.383503][ T5635]  gfs2_fill_super+0x120f/0x1f00
[  240.388445][ T5635]  ? gfs2_reconfigure+0xd30/0xd30
[  240.393480][ T5635]  ? sb_set_blocksize+0xa5/0xe0
[  240.398330][ T5635]  get_tree_bdev+0x3f1/0x610
[  240.403100][ T5635]  ? gfs2_reconfigure+0xd30/0xd30
[  240.408122][ T5635]  gfs2_get_tree+0x4d/0x1e0
[  240.412789][ T5635]  vfs_get_tree+0x88/0x270
[  240.417207][ T5635]  do_new_mount+0x24a/0xa40
[  240.421801][ T5635]  __se_sys_mount+0x2e3/0x3d0
[  240.426488][ T5635]  ? __x64_sys_mount+0xc0/0xc0
[  240.431348][ T5635]  ? lockdep_hardirqs_on+0x94/0x140
[  240.436560][ T5635]  ? __x64_sys_mount+0x1c/0xc0
[  240.441446][ T5635]  do_syscall_64+0x4c/0xa0
[  240.445861][ T5635]  ? clear_bhb_loop+0x30/0x80
[  240.450638][ T5635]  ? clear_bhb_loop+0x30/0x80
[  240.455346][ T5635]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  240.461230][ T5635] RIP: 0033:0x7f8627b4560a
[  240.465654][ T5635] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  240.485332][ T5635] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.493918][ T5635] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  240.502008][ T5635] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  240.510054][ T5635] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  240.518016][ T5635] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  240.526080][ T5635] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  240.534247][ T5635]  </TASK>
[  240.539512][ T5635] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  240.552886][ T5635] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  240.871435][ T5637] loop1: detected capacity change from 0 to 32768
[  240.951631][ T5637] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.959355][ T5637] CPU: 1 PID: 5637 Comm: syz.1.197 Not tainted syzkaller #0
[  240.966839][ T5637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  240.977163][ T5637] Call Trace:
[  240.980536][ T5637]  <TASK>
[  240.983488][ T5637]  dump_stack_lvl+0x188/0x250
[  240.988184][ T5637]  ? show_regs_print_info+0x20/0x20
[  240.993580][ T5637]  ? load_image+0x400/0x400
[  240.998111][ T5637]  sysfs_create_dir_ns+0x26a/0x290
[  241.003244][ T5637]  ? sysfs_warn_dup+0xa0/0xa0
[  241.007933][ T5637]  ? do_raw_spin_unlock+0x11d/0x230
[  241.013146][ T5637]  kobject_add_internal+0x6e0/0xd90
[  241.018380][ T5637]  kobject_init_and_add+0x128/0x190
[  241.023755][ T5637]  ? lockdep_softirqs_off+0x430/0x430
[  241.029164][ T5637]  ? kobject_add+0x230/0x230
[  241.033762][ T5637]  ? __init_swait_queue_head+0xa5/0x150
[  241.039390][ T5637]  gfs2_sys_fs_add+0x24f/0x4b0
[  241.044190][ T5637]  ? gfs2_recover_set+0x240/0x240
[  241.049229][ T5637]  ? snprintf+0xe5/0x140
[  241.053492][ T5637]  ? __free_pages+0x95/0x1a0
[  241.058077][ T5637]  ? vscnprintf+0x80/0x80
[  241.062395][ T5637]  gfs2_fill_super+0x120f/0x1f00
[  241.067336][ T5637]  ? gfs2_reconfigure+0xd30/0xd30
[  241.072362][ T5637]  ? sb_set_blocksize+0xa5/0xe0
[  241.077214][ T5637]  get_tree_bdev+0x3f1/0x610
[  241.081803][ T5637]  ? gfs2_reconfigure+0xd30/0xd30
[  241.086841][ T5637]  gfs2_get_tree+0x4d/0x1e0
[  241.091437][ T5637]  vfs_get_tree+0x88/0x270
[  241.096052][ T5637]  do_new_mount+0x24a/0xa40
[  241.100734][ T5637]  __se_sys_mount+0x2e3/0x3d0
[  241.105593][ T5637]  ? __x64_sys_mount+0xc0/0xc0
[  241.110361][ T5637]  ? lockdep_hardirqs_on+0x94/0x140
[  241.115562][ T5637]  ? __x64_sys_mount+0x1c/0xc0
[  241.120323][ T5637]  do_syscall_64+0x4c/0xa0
[  241.124742][ T5637]  ? clear_bhb_loop+0x30/0x80
[  241.129417][ T5637]  ? clear_bhb_loop+0x30/0x80
[  241.134091][ T5637]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  241.139976][ T5637] RIP: 0033:0x7f8627b4560a
[  241.144480][ T5637] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  241.164727][ T5637] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.173259][ T5637] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  241.181460][ T5637] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  241.189572][ T5637] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  241.197977][ T5637] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  241.205946][ T5637] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  241.213921][ T5637]  </TASK>
[  241.217965][ T5637] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  241.231236][ T5637] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  241.544149][ T5639] loop1: detected capacity change from 0 to 32768
[  241.597756][ T5639] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  241.605230][ T5639] CPU: 1 PID: 5639 Comm: syz.1.198 Not tainted syzkaller #0
[  241.612613][ T5639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  241.622680][ T5639] Call Trace:
[  241.626226][ T5639]  <TASK>
[  241.629157][ T5639]  dump_stack_lvl+0x188/0x250
[  241.633853][ T5639]  ? show_regs_print_info+0x20/0x20
[  241.639078][ T5639]  ? load_image+0x400/0x400
[  241.643630][ T5639]  sysfs_create_dir_ns+0x26a/0x290
[  241.649219][ T5639]  ? sysfs_warn_dup+0xa0/0xa0
[  241.654156][ T5639]  ? do_raw_spin_unlock+0x11d/0x230
[  241.659402][ T5639]  kobject_add_internal+0x6e0/0xd90
[  241.664779][ T5639]  kobject_init_and_add+0x128/0x190
[  241.670004][ T5639]  ? lockdep_softirqs_off+0x430/0x430
[  241.675399][ T5639]  ? kobject_add+0x230/0x230
[  241.680002][ T5639]  ? __init_swait_queue_head+0xa5/0x150
[  241.685608][ T5639]  gfs2_sys_fs_add+0x24f/0x4b0
[  241.690580][ T5639]  ? gfs2_recover_set+0x240/0x240
[  241.695627][ T5639]  ? snprintf+0xe5/0x140
[  241.699867][ T5639]  ? __free_pages+0x95/0x1a0
[  241.704505][ T5639]  ? vscnprintf+0x80/0x80
[  241.708928][ T5639]  gfs2_fill_super+0x120f/0x1f00
[  241.713865][ T5639]  ? gfs2_reconfigure+0xd30/0xd30
[  241.718883][ T5639]  ? sb_set_blocksize+0xa5/0xe0
[  241.723736][ T5639]  get_tree_bdev+0x3f1/0x610
[  241.728315][ T5639]  ? gfs2_reconfigure+0xd30/0xd30
[  241.733653][ T5639]  gfs2_get_tree+0x4d/0x1e0
[  241.738152][ T5639]  vfs_get_tree+0x88/0x270
[  241.742559][ T5639]  do_new_mount+0x24a/0xa40
[  241.747056][ T5639]  __se_sys_mount+0x2e3/0x3d0
[  241.751721][ T5639]  ? __x64_sys_mount+0xc0/0xc0
[  241.756473][ T5639]  ? lockdep_hardirqs_on+0x94/0x140
[  241.761748][ T5639]  ? __x64_sys_mount+0x1c/0xc0
[  241.766508][ T5639]  do_syscall_64+0x4c/0xa0
[  241.771000][ T5639]  ? clear_bhb_loop+0x30/0x80
[  241.775662][ T5639]  ? clear_bhb_loop+0x30/0x80
[  241.780337][ T5639]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  241.786232][ T5639] RIP: 0033:0x7f8627b4560a
[  241.790804][ T5639] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  241.811135][ T5639] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.820065][ T5639] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  241.828044][ T5639] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  241.836284][ T5639] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  241.844687][ T5639] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  241.852826][ T5639] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  241.860797][ T5639]  </TASK>
[  241.872399][ T5639] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  241.886012][ T5639] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  242.219333][ T5641] loop1: detected capacity change from 0 to 32768
[  242.289929][ T5641] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  242.297549][ T5641] CPU: 1 PID: 5641 Comm: syz.1.199 Not tainted syzkaller #0
[  242.305144][ T5641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  242.315208][ T5641] Call Trace:
[  242.318504][ T5641]  <TASK>
[  242.321451][ T5641]  dump_stack_lvl+0x188/0x250
[  242.326149][ T5641]  ? show_regs_print_info+0x20/0x20
[  242.331363][ T5641]  ? load_image+0x400/0x400
[  242.335892][ T5641]  sysfs_create_dir_ns+0x26a/0x290
[  242.341331][ T5641]  ? sysfs_warn_dup+0xa0/0xa0
[  242.346028][ T5641]  ? do_raw_spin_unlock+0x11d/0x230
[  242.351249][ T5641]  kobject_add_internal+0x6e0/0xd90
[  242.356470][ T5641]  kobject_init_and_add+0x128/0x190
[  242.362037][ T5641]  ? lockdep_softirqs_off+0x430/0x430
[  242.367488][ T5641]  ? kobject_add+0x230/0x230
[  242.372352][ T5641]  ? __init_swait_queue_head+0xa5/0x150
[  242.378008][ T5641]  gfs2_sys_fs_add+0x24f/0x4b0
[  242.382785][ T5641]  ? gfs2_recover_set+0x240/0x240
[  242.387818][ T5641]  ? snprintf+0xe5/0x140
[  242.392162][ T5641]  ? __free_pages+0x95/0x1a0
[  242.396757][ T5641]  ? vscnprintf+0x80/0x80
[  242.401113][ T5641]  gfs2_fill_super+0x120f/0x1f00
[  242.406056][ T5641]  ? gfs2_reconfigure+0xd30/0xd30
[  242.411183][ T5641]  ? sb_set_blocksize+0xa5/0xe0
[  242.416033][ T5641]  get_tree_bdev+0x3f1/0x610
[  242.420711][ T5641]  ? gfs2_reconfigure+0xd30/0xd30
[  242.425834][ T5641]  gfs2_get_tree+0x4d/0x1e0
[  242.430415][ T5641]  vfs_get_tree+0x88/0x270
[  242.434826][ T5641]  do_new_mount+0x24a/0xa40
[  242.439316][ T5641]  __se_sys_mount+0x2e3/0x3d0
[  242.444070][ T5641]  ? __x64_sys_mount+0xc0/0xc0
[  242.448945][ T5641]  ? lockdep_hardirqs_on+0x94/0x140
[  242.454155][ T5641]  ? __x64_sys_mount+0x1c/0xc0
[  242.458904][ T5641]  do_syscall_64+0x4c/0xa0
[  242.463349][ T5641]  ? clear_bhb_loop+0x30/0x80
[  242.468287][ T5641]  ? clear_bhb_loop+0x30/0x80
[  242.473069][ T5641]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  242.478959][ T5641] RIP: 0033:0x7f8627b4560a
[  242.483405][ T5641] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  242.503356][ T5641] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  242.511771][ T5641] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  242.519908][ T5641] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  242.528067][ T5641] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  242.536278][ T5641] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  242.544252][ T5641] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  242.552433][ T5641]  </TASK>
[  242.556400][ T5641] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  242.569835][ T5641] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  242.894093][ T5643] loop1: detected capacity change from 0 to 32768
[  242.981963][ T5643] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  242.990641][ T5643] CPU: 1 PID: 5643 Comm: syz.1.200 Not tainted syzkaller #0
[  242.998130][ T5643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  243.008200][ T5643] Call Trace:
[  243.011584][ T5643]  <TASK>
[  243.014527][ T5643]  dump_stack_lvl+0x188/0x250
[  243.019221][ T5643]  ? show_regs_print_info+0x20/0x20
[  243.024553][ T5643]  ? load_image+0x400/0x400
[  243.029197][ T5643]  sysfs_create_dir_ns+0x26a/0x290
[  243.034329][ T5643]  ? sysfs_warn_dup+0xa0/0xa0
[  243.039088][ T5643]  ? do_raw_spin_unlock+0x11d/0x230
[  243.044277][ T5643]  kobject_add_internal+0x6e0/0xd90
[  243.049484][ T5643]  kobject_init_and_add+0x128/0x190
[  243.054766][ T5643]  ? lockdep_softirqs_off+0x430/0x430
[  243.060177][ T5643]  ? kobject_add+0x230/0x230
[  243.064768][ T5643]  ? __init_swait_queue_head+0xa5/0x150
[  243.070407][ T5643]  gfs2_sys_fs_add+0x24f/0x4b0
[  243.075178][ T5643]  ? gfs2_recover_set+0x240/0x240
[  243.080582][ T5643]  ? snprintf+0xe5/0x140
[  243.085000][ T5643]  ? __free_pages+0x95/0x1a0
[  243.089592][ T5643]  ? vscnprintf+0x80/0x80
[  243.093926][ T5643]  gfs2_fill_super+0x120f/0x1f00
[  243.098947][ T5643]  ? gfs2_reconfigure+0xd30/0xd30
[  243.104004][ T5643]  ? sb_set_blocksize+0xa5/0xe0
[  243.108850][ T5643]  get_tree_bdev+0x3f1/0x610
[  243.113553][ T5643]  ? gfs2_reconfigure+0xd30/0xd30
[  243.118793][ T5643]  gfs2_get_tree+0x4d/0x1e0
[  243.123387][ T5643]  vfs_get_tree+0x88/0x270
[  243.128167][ T5643]  do_new_mount+0x24a/0xa40
[  243.132752][ T5643]  __se_sys_mount+0x2e3/0x3d0
[  243.137427][ T5643]  ? __x64_sys_mount+0xc0/0xc0
[  243.142197][ T5643]  ? lockdep_hardirqs_on+0x94/0x140
[  243.147665][ T5643]  ? __x64_sys_mount+0x1c/0xc0
[  243.152988][ T5643]  do_syscall_64+0x4c/0xa0
[  243.157413][ T5643]  ? clear_bhb_loop+0x30/0x80
[  243.162084][ T5643]  ? clear_bhb_loop+0x30/0x80
[  243.166764][ T5643]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  243.172663][ T5643] RIP: 0033:0x7f8627b4560a
[  243.177230][ T5643] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  243.197860][ T5643] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.206576][ T5643] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  243.214559][ T5643] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  243.222740][ T5643] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  243.230824][ T5643] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  243.238983][ T5643] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  243.247431][ T5643]  </TASK>
[  243.251444][ T5643] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.265189][ T5643] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  243.565669][ T5645] loop1: detected capacity change from 0 to 32768
[  243.671890][ T5645] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  243.679773][ T5645] CPU: 1 PID: 5645 Comm: syz.1.201 Not tainted syzkaller #0
[  243.687072][ T5645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  243.697269][ T5645] Call Trace:
[  243.700739][ T5645]  <TASK>
[  243.703696][ T5645]  dump_stack_lvl+0x188/0x250
[  243.708479][ T5645]  ? show_regs_print_info+0x20/0x20
[  243.713693][ T5645]  ? load_image+0x400/0x400
[  243.718228][ T5645]  sysfs_create_dir_ns+0x26a/0x290
[  243.723395][ T5645]  ? sysfs_warn_dup+0xa0/0xa0
[  243.728082][ T5645]  ? do_raw_spin_unlock+0x11d/0x230
[  243.733470][ T5645]  kobject_add_internal+0x6e0/0xd90
[  243.738687][ T5645]  kobject_init_and_add+0x128/0x190
[  243.743895][ T5645]  ? lockdep_softirqs_off+0x430/0x430
[  243.749296][ T5645]  ? kobject_add+0x230/0x230
[  243.753883][ T5645]  ? __init_swait_queue_head+0xa5/0x150
[  243.759444][ T5645]  gfs2_sys_fs_add+0x24f/0x4b0
[  243.764313][ T5645]  ? gfs2_recover_set+0x240/0x240
[  243.769449][ T5645]  ? snprintf+0xe5/0x140
[  243.773938][ T5645]  ? __free_pages+0x95/0x1a0
[  243.778604][ T5645]  ? vscnprintf+0x80/0x80
[  243.782922][ T5645]  gfs2_fill_super+0x120f/0x1f00
[  243.787860][ T5645]  ? gfs2_reconfigure+0xd30/0xd30
[  243.792886][ T5645]  ? sb_set_blocksize+0xa5/0xe0
[  243.797733][ T5645]  get_tree_bdev+0x3f1/0x610
[  243.802314][ T5645]  ? gfs2_reconfigure+0xd30/0xd30
[  243.807414][ T5645]  gfs2_get_tree+0x4d/0x1e0
[  243.811917][ T5645]  vfs_get_tree+0x88/0x270
[  243.816332][ T5645]  do_new_mount+0x24a/0xa40
[  243.820820][ T5645]  __se_sys_mount+0x2e3/0x3d0
[  243.825672][ T5645]  ? __x64_sys_mount+0xc0/0xc0
[  243.830506][ T5645]  ? lockdep_hardirqs_on+0x94/0x140
[  243.835792][ T5645]  ? __x64_sys_mount+0x1c/0xc0
[  243.840556][ T5645]  do_syscall_64+0x4c/0xa0
[  243.844972][ T5645]  ? clear_bhb_loop+0x30/0x80
[  243.849636][ T5645]  ? clear_bhb_loop+0x30/0x80
[  243.854497][ T5645]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  243.860376][ T5645] RIP: 0033:0x7f8627b4560a
[  243.864777][ T5645] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  243.884568][ T5645] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.893367][ T5645] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  243.901455][ T5645] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  243.909420][ T5645] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  243.917373][ T5645] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  243.925412][ T5645] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  243.933463][ T5645]  </TASK>
[  243.937735][ T5645] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.951164][ T5645] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/11 15:29:48 executed programs: 187
[  244.325591][ T5647] loop1: detected capacity change from 0 to 32768
[  244.402562][ T5647] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.410175][ T5647] CPU: 0 PID: 5647 Comm: syz.1.202 Not tainted syzkaller #0
[  244.417566][ T5647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  244.427647][ T5647] Call Trace:
[  244.430935][ T5647]  <TASK>
[  244.433872][ T5647]  dump_stack_lvl+0x188/0x250
[  244.438568][ T5647]  ? show_regs_print_info+0x20/0x20
[  244.443791][ T5647]  ? load_image+0x400/0x400
[  244.448320][ T5647]  sysfs_create_dir_ns+0x26a/0x290
[  244.453454][ T5647]  ? sysfs_warn_dup+0xa0/0xa0
[  244.458150][ T5647]  ? do_raw_spin_unlock+0x11d/0x230
[  244.463464][ T5647]  kobject_add_internal+0x6e0/0xd90
[  244.468685][ T5647]  kobject_init_and_add+0x128/0x190
[  244.473908][ T5647]  ? lockdep_softirqs_off+0x430/0x430
[  244.479308][ T5647]  ? kobject_add+0x230/0x230
[  244.483919][ T5647]  ? __init_swait_queue_head+0xa5/0x150
[  244.489476][ T5647]  gfs2_sys_fs_add+0x24f/0x4b0
[  244.494258][ T5647]  ? gfs2_recover_set+0x240/0x240
[  244.499319][ T5647]  ? snprintf+0xe5/0x140
[  244.503565][ T5647]  ? __free_pages+0x95/0x1a0
[  244.508146][ T5647]  ? vscnprintf+0x80/0x80
[  244.512486][ T5647]  gfs2_fill_super+0x120f/0x1f00
[  244.517417][ T5647]  ? gfs2_reconfigure+0xd30/0xd30
[  244.522458][ T5647]  ? sb_set_blocksize+0xa5/0xe0
[  244.527318][ T5647]  get_tree_bdev+0x3f1/0x610
[  244.531946][ T5647]  ? gfs2_reconfigure+0xd30/0xd30
[  244.536969][ T5647]  gfs2_get_tree+0x4d/0x1e0
[  244.541563][ T5647]  vfs_get_tree+0x88/0x270
[  244.546065][ T5647]  do_new_mount+0x24a/0xa40
[  244.550568][ T5647]  __se_sys_mount+0x2e3/0x3d0
[  244.555552][ T5647]  ? __x64_sys_mount+0xc0/0xc0
[  244.560404][ T5647]  ? lockdep_hardirqs_on+0x94/0x140
[  244.565626][ T5647]  ? __x64_sys_mount+0x1c/0xc0
[  244.570650][ T5647]  do_syscall_64+0x4c/0xa0
[  244.575189][ T5647]  ? clear_bhb_loop+0x30/0x80
[  244.579864][ T5647]  ? clear_bhb_loop+0x30/0x80
[  244.584548][ T5647]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  244.590531][ T5647] RIP: 0033:0x7f8627b4560a
[  244.595101][ T5647] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  244.615203][ T5647] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.623620][ T5647] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  244.631792][ T5647] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  244.639851][ T5647] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  244.648050][ T5647] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  244.656116][ T5647] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  244.664332][ T5647]  </TASK>
[  244.669337][ T5647] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.682730][ T5647] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  245.017305][ T5649] loop1: detected capacity change from 0 to 32768
[  245.080994][ T5649] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  245.089716][ T5649] CPU: 0 PID: 5649 Comm: syz.1.203 Not tainted syzkaller #0
[  245.097043][ T5649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  245.107849][ T5649] Call Trace:
[  245.111153][ T5649]  <TASK>
[  245.114102][ T5649]  dump_stack_lvl+0x188/0x250
[  245.118922][ T5649]  ? show_regs_print_info+0x20/0x20
[  245.124241][ T5649]  ? load_image+0x400/0x400
[  245.128793][ T5649]  sysfs_create_dir_ns+0x26a/0x290
[  245.133943][ T5649]  ? sysfs_warn_dup+0xa0/0xa0
[  245.138644][ T5649]  ? do_raw_spin_unlock+0x11d/0x230
[  245.143875][ T5649]  kobject_add_internal+0x6e0/0xd90
[  245.149185][ T5649]  kobject_init_and_add+0x128/0x190
[  245.154407][ T5649]  ? lockdep_softirqs_off+0x430/0x430
[  245.159887][ T5649]  ? kobject_add+0x230/0x230
[  245.164521][ T5649]  ? __init_swait_queue_head+0xa5/0x150
[  245.170088][ T5649]  gfs2_sys_fs_add+0x24f/0x4b0
[  245.174863][ T5649]  ? gfs2_recover_set+0x240/0x240
[  245.179876][ T5649]  ? snprintf+0xe5/0x140
[  245.184150][ T5649]  ? __free_pages+0x95/0x1a0
[  245.189057][ T5649]  ? vscnprintf+0x80/0x80
[  245.193491][ T5649]  gfs2_fill_super+0x120f/0x1f00
[  245.198480][ T5649]  ? gfs2_reconfigure+0xd30/0xd30
[  245.203693][ T5649]  ? sb_set_blocksize+0xa5/0xe0
[  245.208665][ T5649]  get_tree_bdev+0x3f1/0x610
[  245.213465][ T5649]  ? gfs2_reconfigure+0xd30/0xd30
[  245.218485][ T5649]  gfs2_get_tree+0x4d/0x1e0
[  245.223068][ T5649]  vfs_get_tree+0x88/0x270
[  245.227592][ T5649]  do_new_mount+0x24a/0xa40
[  245.232196][ T5649]  __se_sys_mount+0x2e3/0x3d0
[  245.236947][ T5649]  ? __x64_sys_mount+0xc0/0xc0
[  245.241697][ T5649]  ? lockdep_hardirqs_on+0x94/0x140
[  245.246982][ T5649]  ? __x64_sys_mount+0x1c/0xc0
[  245.251794][ T5649]  do_syscall_64+0x4c/0xa0
[  245.256216][ T5649]  ? clear_bhb_loop+0x30/0x80
[  245.260886][ T5649]  ? clear_bhb_loop+0x30/0x80
[  245.265556][ T5649]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  245.271439][ T5649] RIP: 0033:0x7f8627b4560a
[  245.275845][ T5649] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  245.295841][ T5649] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.304371][ T5649] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  245.312339][ T5649] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  245.320458][ T5649] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  245.328700][ T5649] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  245.336918][ T5649] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  245.345018][ T5649]  </TASK>
[  245.349679][ T5649] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  245.363018][ T5649] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  245.684870][ T5651] loop1: detected capacity change from 0 to 32768
[  245.770738][ T5651] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  245.778386][ T5651] CPU: 0 PID: 5651 Comm: syz.1.204 Not tainted syzkaller #0
[  245.785686][ T5651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  245.795831][ T5651] Call Trace:
[  245.799219][ T5651]  <TASK>
[  245.802168][ T5651]  dump_stack_lvl+0x188/0x250
[  245.806952][ T5651]  ? show_regs_print_info+0x20/0x20
[  245.812196][ T5651]  ? load_image+0x400/0x400
[  245.816733][ T5651]  sysfs_create_dir_ns+0x26a/0x290
[  245.821867][ T5651]  ? sysfs_warn_dup+0xa0/0xa0
[  245.826564][ T5651]  ? do_raw_spin_unlock+0x11d/0x230
[  245.831784][ T5651]  kobject_add_internal+0x6e0/0xd90
[  245.837325][ T5651]  kobject_init_and_add+0x128/0x190
[  245.842530][ T5651]  ? lockdep_softirqs_off+0x430/0x430
[  245.848106][ T5651]  ? kobject_add+0x230/0x230
[  245.852776][ T5651]  ? __init_swait_queue_head+0xa5/0x150
[  245.858506][ T5651]  gfs2_sys_fs_add+0x24f/0x4b0
[  245.863361][ T5651]  ? gfs2_recover_set+0x240/0x240
[  245.868370][ T5651]  ? snprintf+0xe5/0x140
[  245.872601][ T5651]  ? __free_pages+0x95/0x1a0
[  245.877445][ T5651]  ? vscnprintf+0x80/0x80
[  245.881871][ T5651]  gfs2_fill_super+0x120f/0x1f00
[  245.886824][ T5651]  ? gfs2_reconfigure+0xd30/0xd30
[  245.891947][ T5651]  ? sb_set_blocksize+0xa5/0xe0
[  245.896807][ T5651]  get_tree_bdev+0x3f1/0x610
[  245.901526][ T5651]  ? gfs2_reconfigure+0xd30/0xd30
[  245.906668][ T5651]  gfs2_get_tree+0x4d/0x1e0
[  245.911332][ T5651]  vfs_get_tree+0x88/0x270
[  245.915789][ T5651]  do_new_mount+0x24a/0xa40
[  245.920415][ T5651]  __se_sys_mount+0x2e3/0x3d0
[  245.925301][ T5651]  ? __x64_sys_mount+0xc0/0xc0
[  245.930057][ T5651]  ? lockdep_hardirqs_on+0x94/0x140
[  245.935238][ T5651]  ? __x64_sys_mount+0x1c/0xc0
[  245.940381][ T5651]  do_syscall_64+0x4c/0xa0
[  245.944882][ T5651]  ? clear_bhb_loop+0x30/0x80
[  245.949559][ T5651]  ? clear_bhb_loop+0x30/0x80
[  245.954416][ T5651]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  245.960492][ T5651] RIP: 0033:0x7f8627b4560a
[  245.964896][ T5651] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  245.984975][ T5651] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.993666][ T5651] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  246.002646][ T5651] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  246.011165][ T5651] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  246.019220][ T5651] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  246.027445][ T5651] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  246.035414][ T5651]  </TASK>
[  246.043931][ T5651] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.057725][ T5651] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  246.363413][ T5653] loop1: detected capacity change from 0 to 32768
[  246.407472][ T5653] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.414972][ T5653] CPU: 1 PID: 5653 Comm: syz.1.205 Not tainted syzkaller #0
[  246.422287][ T5653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  246.432448][ T5653] Call Trace:
[  246.435747][ T5653]  <TASK>
[  246.438686][ T5653]  dump_stack_lvl+0x188/0x250
[  246.443386][ T5653]  ? show_regs_print_info+0x20/0x20
[  246.448602][ T5653]  ? load_image+0x400/0x400
[  246.453315][ T5653]  sysfs_create_dir_ns+0x26a/0x290
[  246.458557][ T5653]  ? sysfs_warn_dup+0xa0/0xa0
[  246.463263][ T5653]  ? do_raw_spin_unlock+0x11d/0x230
[  246.468522][ T5653]  kobject_add_internal+0x6e0/0xd90
[  246.473746][ T5653]  kobject_init_and_add+0x128/0x190
[  246.478967][ T5653]  ? lockdep_softirqs_off+0x430/0x430
[  246.484536][ T5653]  ? kobject_add+0x230/0x230
[  246.489278][ T5653]  ? __init_swait_queue_head+0xa5/0x150
[  246.494922][ T5653]  gfs2_sys_fs_add+0x24f/0x4b0
[  246.499756][ T5653]  ? gfs2_recover_set+0x240/0x240
[  246.504798][ T5653]  ? snprintf+0xe5/0x140
[  246.509145][ T5653]  ? __free_pages+0x95/0x1a0
[  246.513836][ T5653]  ? vscnprintf+0x80/0x80
[  246.518163][ T5653]  gfs2_fill_super+0x120f/0x1f00
[  246.523109][ T5653]  ? gfs2_reconfigure+0xd30/0xd30
[  246.528220][ T5653]  ? sb_set_blocksize+0xa5/0xe0
[  246.533257][ T5653]  get_tree_bdev+0x3f1/0x610
[  246.537852][ T5653]  ? gfs2_reconfigure+0xd30/0xd30
[  246.543129][ T5653]  gfs2_get_tree+0x4d/0x1e0
[  246.547819][ T5653]  vfs_get_tree+0x88/0x270
[  246.552260][ T5653]  do_new_mount+0x24a/0xa40
[  246.556769][ T5653]  __se_sys_mount+0x2e3/0x3d0
[  246.561440][ T5653]  ? __x64_sys_mount+0xc0/0xc0
[  246.566415][ T5653]  ? lockdep_hardirqs_on+0x94/0x140
[  246.571613][ T5653]  ? __x64_sys_mount+0x1c/0xc0
[  246.576640][ T5653]  do_syscall_64+0x4c/0xa0
[  246.581181][ T5653]  ? clear_bhb_loop+0x30/0x80
[  246.585868][ T5653]  ? clear_bhb_loop+0x30/0x80
[  246.590547][ T5653]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  246.596450][ T5653] RIP: 0033:0x7f8627b4560a
[  246.601021][ T5653] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  246.620813][ T5653] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.629484][ T5653] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  246.637565][ T5653] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  246.645534][ T5653] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  246.653694][ T5653] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  246.662063][ T5653] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  246.670312][ T5653]  </TASK>
[  246.674568][ T5653] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.687900][ T5653] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  247.011715][ T5655] loop1: detected capacity change from 0 to 32768
[  247.057181][ T5655] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  247.064863][ T5655] CPU: 1 PID: 5655 Comm: syz.1.206 Not tainted syzkaller #0
[  247.072245][ T5655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  247.082406][ T5655] Call Trace:
[  247.085700][ T5655]  <TASK>
[  247.088644][ T5655]  dump_stack_lvl+0x188/0x250
[  247.093332][ T5655]  ? show_regs_print_info+0x20/0x20
[  247.098551][ T5655]  ? load_image+0x400/0x400
[  247.103267][ T5655]  sysfs_create_dir_ns+0x26a/0x290
[  247.108583][ T5655]  ? sysfs_warn_dup+0xa0/0xa0
[  247.113327][ T5655]  ? do_raw_spin_unlock+0x11d/0x230
[  247.118547][ T5655]  kobject_add_internal+0x6e0/0xd90
[  247.123878][ T5655]  kobject_init_and_add+0x128/0x190
[  247.129090][ T5655]  ? lockdep_softirqs_off+0x430/0x430
[  247.134484][ T5655]  ? kobject_add+0x230/0x230
[  247.139073][ T5655]  ? __init_swait_queue_head+0xa5/0x150
[  247.144716][ T5655]  gfs2_sys_fs_add+0x24f/0x4b0
[  247.149578][ T5655]  ? gfs2_recover_set+0x240/0x240
[  247.154589][ T5655]  ? snprintf+0xe5/0x140
[  247.158821][ T5655]  ? __free_pages+0x95/0x1a0
[  247.163411][ T5655]  ? vscnprintf+0x80/0x80
[  247.167771][ T5655]  gfs2_fill_super+0x120f/0x1f00
[  247.172741][ T5655]  ? gfs2_reconfigure+0xd30/0xd30
[  247.177770][ T5655]  ? sb_set_blocksize+0xa5/0xe0
[  247.182633][ T5655]  get_tree_bdev+0x3f1/0x610
[  247.187216][ T5655]  ? gfs2_reconfigure+0xd30/0xd30
[  247.192230][ T5655]  gfs2_get_tree+0x4d/0x1e0
[  247.196733][ T5655]  vfs_get_tree+0x88/0x270
[  247.201143][ T5655]  do_new_mount+0x24a/0xa40
[  247.205646][ T5655]  __se_sys_mount+0x2e3/0x3d0
[  247.210420][ T5655]  ? __x64_sys_mount+0xc0/0xc0
[  247.215301][ T5655]  ? lockdep_hardirqs_on+0x94/0x140
[  247.220491][ T5655]  ? __x64_sys_mount+0x1c/0xc0
[  247.225249][ T5655]  do_syscall_64+0x4c/0xa0
[  247.229657][ T5655]  ? clear_bhb_loop+0x30/0x80
[  247.234466][ T5655]  ? clear_bhb_loop+0x30/0x80
[  247.239323][ T5655]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  247.245221][ T5655] RIP: 0033:0x7f8627b4560a
[  247.249664][ T5655] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  247.269925][ T5655] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.278531][ T5655] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  247.286826][ T5655] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  247.294928][ T5655] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  247.303098][ T5655] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  247.311179][ T5655] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  247.319336][ T5655]  </TASK>
[  247.331084][ T5655] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.345045][ T5655] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  247.567878][ T4258] Bluetooth: hci1: command 0x0406 tx timeout
[  247.667754][ T5657] loop1: detected capacity change from 0 to 32768
[  247.716524][ T5657] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  247.724533][ T5657] CPU: 0 PID: 5657 Comm: syz.1.207 Not tainted syzkaller #0
[  247.731971][ T5657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  247.742059][ T5657] Call Trace:
[  247.745355][ T5657]  <TASK>
[  247.748297][ T5657]  dump_stack_lvl+0x188/0x250
[  247.752992][ T5657]  ? show_regs_print_info+0x20/0x20
[  247.758314][ T5657]  ? load_image+0x400/0x400
[  247.762851][ T5657]  sysfs_create_dir_ns+0x26a/0x290
[  247.768072][ T5657]  ? sysfs_warn_dup+0xa0/0xa0
[  247.772768][ T5657]  ? do_raw_spin_unlock+0x11d/0x230
[  247.778013][ T5657]  kobject_add_internal+0x6e0/0xd90
[  247.783250][ T5657]  kobject_init_and_add+0x128/0x190
[  247.788487][ T5657]  ? lockdep_softirqs_off+0x430/0x430
[  247.794087][ T5657]  ? kobject_add+0x230/0x230
[  247.798837][ T5657]  ? __init_swait_queue_head+0xa5/0x150
[  247.804745][ T5657]  gfs2_sys_fs_add+0x24f/0x4b0
[  247.809782][ T5657]  ? gfs2_recover_set+0x240/0x240
[  247.814952][ T5657]  ? snprintf+0xe5/0x140
[  247.819407][ T5657]  ? __free_pages+0x95/0x1a0
[  247.824213][ T5657]  ? vscnprintf+0x80/0x80
[  247.828562][ T5657]  gfs2_fill_super+0x120f/0x1f00
[  247.833613][ T5657]  ? gfs2_reconfigure+0xd30/0xd30
[  247.838840][ T5657]  ? sb_set_blocksize+0xa5/0xe0
[  247.843700][ T5657]  get_tree_bdev+0x3f1/0x610
[  247.848286][ T5657]  ? gfs2_reconfigure+0xd30/0xd30
[  247.853473][ T5657]  gfs2_get_tree+0x4d/0x1e0
[  247.857965][ T5657]  vfs_get_tree+0x88/0x270
[  247.862637][ T5657]  do_new_mount+0x24a/0xa40
[  247.867436][ T5657]  __se_sys_mount+0x2e3/0x3d0
[  247.872298][ T5657]  ? __x64_sys_mount+0xc0/0xc0
[  247.877087][ T5657]  ? lockdep_hardirqs_on+0x94/0x140
[  247.882369][ T5657]  ? __x64_sys_mount+0x1c/0xc0
[  247.887257][ T5657]  do_syscall_64+0x4c/0xa0
[  247.891950][ T5657]  ? clear_bhb_loop+0x30/0x80
[  247.896810][ T5657]  ? clear_bhb_loop+0x30/0x80
[  247.901603][ T5657]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  247.907588][ T5657] RIP: 0033:0x7f8627b4560a
[  247.912173][ T5657] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  247.931949][ T5657] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.940354][ T5657] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  247.948509][ T5657] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  247.956467][ T5657] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  247.964533][ T5657] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  247.972488][ T5657] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  247.980456][ T5657]  </TASK>
[  247.985573][ T5657] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.998918][ T5657] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  248.315414][ T5659] loop1: detected capacity change from 0 to 32768
[  248.376707][ T5659] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.384418][ T5659] CPU: 0 PID: 5659 Comm: syz.1.208 Not tainted syzkaller #0
[  248.391730][ T5659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  248.401975][ T5659] Call Trace:
[  248.405608][ T5659]  <TASK>
[  248.408549][ T5659]  dump_stack_lvl+0x188/0x250
[  248.413243][ T5659]  ? show_regs_print_info+0x20/0x20
[  248.418559][ T5659]  ? load_image+0x400/0x400
[  248.423091][ T5659]  sysfs_create_dir_ns+0x26a/0x290
[  248.428217][ T5659]  ? sysfs_warn_dup+0xa0/0xa0
[  248.432907][ T5659]  ? do_raw_spin_unlock+0x11d/0x230
[  248.438293][ T5659]  kobject_add_internal+0x6e0/0xd90
[  248.443519][ T5659]  kobject_init_and_add+0x128/0x190
[  248.448730][ T5659]  ? lockdep_softirqs_off+0x430/0x430
[  248.454339][ T5659]  ? kobject_add+0x230/0x230
[  248.458917][ T5659]  ? __init_swait_queue_head+0xa5/0x150
[  248.464537][ T5659]  gfs2_sys_fs_add+0x24f/0x4b0
[  248.469664][ T5659]  ? gfs2_recover_set+0x240/0x240
[  248.474709][ T5659]  ? snprintf+0xe5/0x140
[  248.478946][ T5659]  ? __free_pages+0x95/0x1a0
[  248.483529][ T5659]  ? vscnprintf+0x80/0x80
[  248.487866][ T5659]  gfs2_fill_super+0x120f/0x1f00
[  248.492809][ T5659]  ? gfs2_reconfigure+0xd30/0xd30
[  248.498007][ T5659]  ? sb_set_blocksize+0xa5/0xe0
[  248.502856][ T5659]  get_tree_bdev+0x3f1/0x610
[  248.507638][ T5659]  ? gfs2_reconfigure+0xd30/0xd30
[  248.512652][ T5659]  gfs2_get_tree+0x4d/0x1e0
[  248.517155][ T5659]  vfs_get_tree+0x88/0x270
[  248.521557][ T5659]  do_new_mount+0x24a/0xa40
[  248.526048][ T5659]  __se_sys_mount+0x2e3/0x3d0
[  248.530823][ T5659]  ? __x64_sys_mount+0xc0/0xc0
[  248.535569][ T5659]  ? lockdep_hardirqs_on+0x94/0x140
[  248.540748][ T5659]  ? __x64_sys_mount+0x1c/0xc0
[  248.545497][ T5659]  do_syscall_64+0x4c/0xa0
[  248.550000][ T5659]  ? clear_bhb_loop+0x30/0x80
[  248.554682][ T5659]  ? clear_bhb_loop+0x30/0x80
[  248.559867][ T5659]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  248.565748][ T5659] RIP: 0033:0x7f8627b4560a
[  248.570176][ T5659] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  248.590392][ T5659] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.598910][ T5659] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  248.606882][ T5659] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  248.614850][ T5659] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  248.622823][ T5659] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  248.630820][ T5659] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  248.638850][ T5659]  </TASK>
[  248.643259][ T5659] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  248.657240][ T5659] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  248.982199][ T5661] loop1: detected capacity change from 0 to 32768
[  249.048422][ T5661] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  249.056581][ T5661] CPU: 0 PID: 5661 Comm: syz.1.209 Not tainted syzkaller #0
[  249.063903][ T5661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  249.074071][ T5661] Call Trace:
[  249.077370][ T5661]  <TASK>
[  249.080430][ T5661]  dump_stack_lvl+0x188/0x250
[  249.085146][ T5661]  ? show_regs_print_info+0x20/0x20
[  249.090554][ T5661]  ? load_image+0x400/0x400
[  249.095182][ T5661]  sysfs_create_dir_ns+0x26a/0x290
[  249.100317][ T5661]  ? sysfs_warn_dup+0xa0/0xa0
[  249.105019][ T5661]  ? do_raw_spin_unlock+0x11d/0x230
[  249.110250][ T5661]  kobject_add_internal+0x6e0/0xd90
[  249.115566][ T5661]  kobject_init_and_add+0x128/0x190
[  249.120973][ T5661]  ? lockdep_softirqs_off+0x430/0x430
[  249.126378][ T5661]  ? kobject_add+0x230/0x230
[  249.131537][ T5661]  ? __init_swait_queue_head+0xa5/0x150
[  249.137193][ T5661]  gfs2_sys_fs_add+0x24f/0x4b0
[  249.141955][ T5661]  ? gfs2_recover_set+0x240/0x240
[  249.146972][ T5661]  ? snprintf+0xe5/0x140
[  249.151199][ T5661]  ? __free_pages+0x95/0x1a0
[  249.155780][ T5661]  ? vscnprintf+0x80/0x80
[  249.160114][ T5661]  gfs2_fill_super+0x120f/0x1f00
[  249.165135][ T5661]  ? gfs2_reconfigure+0xd30/0xd30
[  249.170156][ T5661]  ? sb_set_blocksize+0xa5/0xe0
[  249.174995][ T5661]  get_tree_bdev+0x3f1/0x610
[  249.179685][ T5661]  ? gfs2_reconfigure+0xd30/0xd30
[  249.184720][ T5661]  gfs2_get_tree+0x4d/0x1e0
[  249.189223][ T5661]  vfs_get_tree+0x88/0x270
[  249.193654][ T5661]  do_new_mount+0x24a/0xa40
[  249.198213][ T5661]  __se_sys_mount+0x2e3/0x3d0
[  249.203047][ T5661]  ? __x64_sys_mount+0xc0/0xc0
[  249.207904][ T5661]  ? lockdep_hardirqs_on+0x94/0x140
[  249.213118][ T5661]  ? __x64_sys_mount+0x1c/0xc0
[  249.217883][ T5661]  do_syscall_64+0x4c/0xa0
[  249.222297][ T5661]  ? clear_bhb_loop+0x30/0x80
[  249.226967][ T5661]  ? clear_bhb_loop+0x30/0x80
[  249.231641][ T5661]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  249.237525][ T5661] RIP: 0033:0x7f8627b4560a
[  249.241929][ T5661] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  249.262041][ T5661] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  249.270465][ T5661] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  249.278654][ T5661] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  249.286659][ T5661] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  249.294628][ T5661] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  249.302605][ T5661] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  249.310811][ T5661]  </TASK>
[  249.315358][ T5661] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  249.329280][ T5661] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/11 15:29:53 executed programs: 195
[  249.682546][ T5663] loop1: detected capacity change from 0 to 32768
[  249.748475][ T5663] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  249.756055][ T5663] CPU: 1 PID: 5663 Comm: syz.1.210 Not tainted syzkaller #0
[  249.763357][ T5663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  249.773621][ T5663] Call Trace:
[  249.777029][ T5663]  <TASK>
[  249.779978][ T5663]  dump_stack_lvl+0x188/0x250
[  249.784984][ T5663]  ? show_regs_print_info+0x20/0x20
[  249.790203][ T5663]  ? load_image+0x400/0x400
[  249.794742][ T5663]  sysfs_create_dir_ns+0x26a/0x290
[  249.799959][ T5663]  ? sysfs_warn_dup+0xa0/0xa0
[  249.804702][ T5663]  ? do_raw_spin_unlock+0x11d/0x230
[  249.809920][ T5663]  kobject_add_internal+0x6e0/0xd90
[  249.815245][ T5663]  kobject_init_and_add+0x128/0x190
[  249.820462][ T5663]  ? lockdep_softirqs_off+0x430/0x430
[  249.826078][ T5663]  ? kobject_add+0x230/0x230
[  249.830689][ T5663]  ? __init_swait_queue_head+0xa5/0x150
[  249.836259][ T5663]  gfs2_sys_fs_add+0x24f/0x4b0
[  249.841208][ T5663]  ? gfs2_recover_set+0x240/0x240
[  249.846403][ T5663]  ? snprintf+0xe5/0x140
[  249.850803][ T5663]  ? __free_pages+0x95/0x1a0
[  249.855378][ T5663]  ? vscnprintf+0x80/0x80
[  249.859793][ T5663]  gfs2_fill_super+0x120f/0x1f00
[  249.864743][ T5663]  ? gfs2_reconfigure+0xd30/0xd30
[  249.869766][ T5663]  ? sb_set_blocksize+0xa5/0xe0
[  249.874605][ T5663]  get_tree_bdev+0x3f1/0x610
[  249.879213][ T5663]  ? gfs2_reconfigure+0xd30/0xd30
[  249.884414][ T5663]  gfs2_get_tree+0x4d/0x1e0
[  249.888941][ T5663]  vfs_get_tree+0x88/0x270
[  249.893564][ T5663]  do_new_mount+0x24a/0xa40
[  249.898065][ T5663]  __se_sys_mount+0x2e3/0x3d0
[  249.902907][ T5663]  ? __x64_sys_mount+0xc0/0xc0
[  249.907662][ T5663]  ? lockdep_hardirqs_on+0x94/0x140
[  249.912978][ T5663]  ? __x64_sys_mount+0x1c/0xc0
[  249.917822][ T5663]  do_syscall_64+0x4c/0xa0
[  249.922230][ T5663]  ? clear_bhb_loop+0x30/0x80
[  249.926938][ T5663]  ? clear_bhb_loop+0x30/0x80
[  249.931617][ T5663]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  249.937511][ T5663] RIP: 0033:0x7f8627b4560a
[  249.941933][ T5663] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  249.961821][ T5663] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  249.970667][ T5663] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  249.978744][ T5663] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  249.986820][ T5663] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  249.994983][ T5663] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  250.003040][ T5663] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  250.011515][ T5663]  </TASK>
[  250.015853][ T5663] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  250.029223][ T5663] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  250.365364][ T5665] loop1: detected capacity change from 0 to 32768
[  250.413371][ T5665] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.426068][ T5665] CPU: 1 PID: 5665 Comm: syz.1.211 Not tainted syzkaller #0
[  250.433403][ T5665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  250.443470][ T5665] Call Trace:
[  250.446762][ T5665]  <TASK>
[  250.449787][ T5665]  dump_stack_lvl+0x188/0x250
[  250.454587][ T5665]  ? show_regs_print_info+0x20/0x20
[  250.459936][ T5665]  ? load_image+0x400/0x400
[  250.464550][ T5665]  sysfs_create_dir_ns+0x26a/0x290
[  250.469678][ T5665]  ? sysfs_warn_dup+0xa0/0xa0
[  250.474369][ T5665]  ? do_raw_spin_unlock+0x11d/0x230
[  250.479677][ T5665]  kobject_add_internal+0x6e0/0xd90
[  250.484896][ T5665]  kobject_init_and_add+0x128/0x190
[  250.490111][ T5665]  ? lockdep_softirqs_off+0x430/0x430
[  250.495531][ T5665]  ? kobject_add+0x230/0x230
[  250.500314][ T5665]  ? __init_swait_queue_head+0xa5/0x150
[  250.505885][ T5665]  gfs2_sys_fs_add+0x24f/0x4b0
[  250.510793][ T5665]  ? gfs2_recover_set+0x240/0x240
[  250.515839][ T5665]  ? snprintf+0xe5/0x140
[  250.520079][ T5665]  ? __free_pages+0x95/0x1a0
[  250.524677][ T5665]  ? vscnprintf+0x80/0x80
[  250.528996][ T5665]  gfs2_fill_super+0x120f/0x1f00
[  250.533942][ T5665]  ? gfs2_reconfigure+0xd30/0xd30
[  250.538973][ T5665]  ? sb_set_blocksize+0xa5/0xe0
[  250.543828][ T5665]  get_tree_bdev+0x3f1/0x610
[  250.548411][ T5665]  ? gfs2_reconfigure+0xd30/0xd30
[  250.553420][ T5665]  gfs2_get_tree+0x4d/0x1e0
[  250.557922][ T5665]  vfs_get_tree+0x88/0x270
[  250.562335][ T5665]  do_new_mount+0x24a/0xa40
[  250.566839][ T5665]  __se_sys_mount+0x2e3/0x3d0
[  250.571497][ T5665]  ? __x64_sys_mount+0xc0/0xc0
[  250.576244][ T5665]  ? lockdep_hardirqs_on+0x94/0x140
[  250.581422][ T5665]  ? __x64_sys_mount+0x1c/0xc0
[  250.586521][ T5665]  do_syscall_64+0x4c/0xa0
[  250.591117][ T5665]  ? clear_bhb_loop+0x30/0x80
[  250.595873][ T5665]  ? clear_bhb_loop+0x30/0x80
[  250.600549][ T5665]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  250.606465][ T5665] RIP: 0033:0x7f8627b4560a
[  250.610946][ T5665] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  250.630721][ T5665] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.639136][ T5665] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  250.647477][ T5665] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  250.655551][ T5665] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  250.663544][ T5665] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  250.671760][ T5665] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  250.679750][ T5665]  </TASK>
[  250.688082][ T5665] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  250.703479][ T5665] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  251.034220][ T5667] loop1: detected capacity change from 0 to 32768
[  251.119760][ T5667] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  251.127353][ T5667] CPU: 1 PID: 5667 Comm: syz.1.212 Not tainted syzkaller #0
[  251.134734][ T5667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  251.144801][ T5667] Call Trace:
[  251.148093][ T5667]  <TASK>
[  251.151208][ T5667]  dump_stack_lvl+0x188/0x250
[  251.155907][ T5667]  ? show_regs_print_info+0x20/0x20
[  251.161128][ T5667]  ? load_image+0x400/0x400
[  251.165735][ T5667]  sysfs_create_dir_ns+0x26a/0x290
[  251.170880][ T5667]  ? sysfs_warn_dup+0xa0/0xa0
[  251.175575][ T5667]  ? do_raw_spin_unlock+0x11d/0x230
[  251.180786][ T5667]  kobject_add_internal+0x6e0/0xd90
[  251.185985][ T5667]  kobject_init_and_add+0x128/0x190
[  251.191547][ T5667]  ? lockdep_softirqs_off+0x430/0x430
[  251.197117][ T5667]  ? kobject_add+0x230/0x230
[  251.201819][ T5667]  ? __init_swait_queue_head+0xa5/0x150
[  251.207415][ T5667]  gfs2_sys_fs_add+0x24f/0x4b0
[  251.212346][ T5667]  ? gfs2_recover_set+0x240/0x240
[  251.217575][ T5667]  ? snprintf+0xe5/0x140
[  251.221816][ T5667]  ? __free_pages+0x95/0x1a0
[  251.226396][ T5667]  ? vscnprintf+0x80/0x80
[  251.230724][ T5667]  gfs2_fill_super+0x120f/0x1f00
[  251.235668][ T5667]  ? gfs2_reconfigure+0xd30/0xd30
[  251.240690][ T5667]  ? sb_set_blocksize+0xa5/0xe0
[  251.245556][ T5667]  get_tree_bdev+0x3f1/0x610
[  251.250225][ T5667]  ? gfs2_reconfigure+0xd30/0xd30
[  251.255234][ T5667]  gfs2_get_tree+0x4d/0x1e0
[  251.259872][ T5667]  vfs_get_tree+0x88/0x270
[  251.264385][ T5667]  do_new_mount+0x24a/0xa40
[  251.268897][ T5667]  __se_sys_mount+0x2e3/0x3d0
[  251.273702][ T5667]  ? __x64_sys_mount+0xc0/0xc0
[  251.278461][ T5667]  ? lockdep_hardirqs_on+0x94/0x140
[  251.283870][ T5667]  ? __x64_sys_mount+0x1c/0xc0
[  251.288844][ T5667]  do_syscall_64+0x4c/0xa0
[  251.293272][ T5667]  ? clear_bhb_loop+0x30/0x80
[  251.297948][ T5667]  ? clear_bhb_loop+0x30/0x80
[  251.302723][ T5667]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  251.308740][ T5667] RIP: 0033:0x7f8627b4560a
[  251.313518][ T5667] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  251.333248][ T5667] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.341770][ T5667] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  251.349742][ T5667] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  251.357709][ T5667] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  251.365758][ T5667] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  251.373720][ T5667] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  251.381688][ T5667]  </TASK>
[  251.385739][ T5667] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.399029][ T5667] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  251.715721][ T5669] loop1: detected capacity change from 0 to 32768
[  251.837957][ T5669] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  251.845458][ T5669] CPU: 1 PID: 5669 Comm: syz.1.213 Not tainted syzkaller #0
[  251.852928][ T5669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  251.863085][ T5669] Call Trace:
[  251.866481][ T5669]  <TASK>
[  251.869422][ T5669]  dump_stack_lvl+0x188/0x250
[  251.874221][ T5669]  ? show_regs_print_info+0x20/0x20
[  251.879731][ T5669]  ? load_image+0x400/0x400
[  251.884266][ T5669]  sysfs_create_dir_ns+0x26a/0x290
[  251.889396][ T5669]  ? sysfs_warn_dup+0xa0/0xa0
[  251.894087][ T5669]  ? do_raw_spin_unlock+0x11d/0x230
[  251.899502][ T5669]  kobject_add_internal+0x6e0/0xd90
[  251.904730][ T5669]  kobject_init_and_add+0x128/0x190
[  251.909949][ T5669]  ? lockdep_softirqs_off+0x430/0x430
[  251.915709][ T5669]  ? kobject_add+0x230/0x230
[  251.920548][ T5669]  ? __init_swait_queue_head+0xa5/0x150
[  251.926236][ T5669]  gfs2_sys_fs_add+0x24f/0x4b0
[  251.931087][ T5669]  ? gfs2_recover_set+0x240/0x240
[  251.936100][ T5669]  ? snprintf+0xe5/0x140
[  251.940419][ T5669]  ? __free_pages+0x95/0x1a0
[  251.945147][ T5669]  ? vscnprintf+0x80/0x80
[  251.949523][ T5669]  gfs2_fill_super+0x120f/0x1f00
[  251.954550][ T5669]  ? gfs2_reconfigure+0xd30/0xd30
[  251.959592][ T5669]  ? sb_set_blocksize+0xa5/0xe0
[  251.964732][ T5669]  get_tree_bdev+0x3f1/0x610
[  251.969315][ T5669]  ? gfs2_reconfigure+0xd30/0xd30
[  251.974350][ T5669]  gfs2_get_tree+0x4d/0x1e0
[  251.979149][ T5669]  vfs_get_tree+0x88/0x270
[  251.983568][ T5669]  do_new_mount+0x24a/0xa40
[  251.988071][ T5669]  __se_sys_mount+0x2e3/0x3d0
[  251.992754][ T5669]  ? __x64_sys_mount+0xc0/0xc0
[  251.997587][ T5669]  ? lockdep_hardirqs_on+0x94/0x140
[  252.002802][ T5669]  ? __x64_sys_mount+0x1c/0xc0
[  252.007745][ T5669]  do_syscall_64+0x4c/0xa0
[  252.012390][ T5669]  ? clear_bhb_loop+0x30/0x80
[  252.017066][ T5669]  ? clear_bhb_loop+0x30/0x80
[  252.021736][ T5669]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  252.027796][ T5669] RIP: 0033:0x7f8627b4560a
[  252.032539][ T5669] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  252.052293][ T5669] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.060787][ T5669] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  252.068773][ T5669] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  252.077013][ T5669] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  252.084998][ T5669] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  252.093048][ T5669] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  252.101222][ T5669]  </TASK>
[  252.105262][ T5669] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.119104][ T5669] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.441459][ T5671] loop1: detected capacity change from 0 to 32768
[  252.498357][ T5671] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.505791][ T5671] CPU: 1 PID: 5671 Comm: syz.1.214 Not tainted syzkaller #0
[  252.513141][ T5671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  252.523490][ T5671] Call Trace:
[  252.526784][ T5671]  <TASK>
[  252.529716][ T5671]  dump_stack_lvl+0x188/0x250
[  252.534430][ T5671]  ? show_regs_print_info+0x20/0x20
[  252.539649][ T5671]  ? load_image+0x400/0x400
[  252.544194][ T5671]  sysfs_create_dir_ns+0x26a/0x290
[  252.549620][ T5671]  ? sysfs_warn_dup+0xa0/0xa0
[  252.554420][ T5671]  ? do_raw_spin_unlock+0x11d/0x230
[  252.559659][ T5671]  kobject_add_internal+0x6e0/0xd90
[  252.564886][ T5671]  kobject_init_and_add+0x128/0x190
[  252.570113][ T5671]  ? lockdep_softirqs_off+0x430/0x430
[  252.575565][ T5671]  ? kobject_add+0x230/0x230
[  252.580418][ T5671]  ? __init_swait_queue_head+0xa5/0x150
[  252.585979][ T5671]  gfs2_sys_fs_add+0x24f/0x4b0
[  252.590833][ T5671]  ? gfs2_recover_set+0x240/0x240
[  252.595874][ T5671]  ? snprintf+0xe5/0x140
[  252.600103][ T5671]  ? __free_pages+0x95/0x1a0
[  252.604679][ T5671]  ? vscnprintf+0x80/0x80
[  252.609003][ T5671]  gfs2_fill_super+0x120f/0x1f00
[  252.614035][ T5671]  ? gfs2_reconfigure+0xd30/0xd30
[  252.619158][ T5671]  ? sb_set_blocksize+0xa5/0xe0
[  252.624049][ T5671]  get_tree_bdev+0x3f1/0x610
[  252.628672][ T5671]  ? gfs2_reconfigure+0xd30/0xd30
[  252.633682][ T5671]  gfs2_get_tree+0x4d/0x1e0
[  252.638183][ T5671]  vfs_get_tree+0x88/0x270
[  252.642594][ T5671]  do_new_mount+0x24a/0xa40
[  252.647297][ T5671]  __se_sys_mount+0x2e3/0x3d0
[  252.652080][ T5671]  ? __x64_sys_mount+0xc0/0xc0
[  252.657045][ T5671]  ? lockdep_hardirqs_on+0x94/0x140
[  252.662341][ T5671]  ? __x64_sys_mount+0x1c/0xc0
[  252.667192][ T5671]  do_syscall_64+0x4c/0xa0
[  252.671730][ T5671]  ? clear_bhb_loop+0x30/0x80
[  252.676574][ T5671]  ? clear_bhb_loop+0x30/0x80
[  252.681263][ T5671]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  252.687155][ T5671] RIP: 0033:0x7f8627b4560a
[  252.691664][ T5671] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  252.711368][ T5671] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.719949][ T5671] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  252.728120][ T5671] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  252.736200][ T5671] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  252.744707][ T5671] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  252.752917][ T5671] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  252.761057][ T5671]  </TASK>
[  252.773380][ T5671] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.787039][ T5671] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  253.111968][ T5673] loop1: detected capacity change from 0 to 32768
[  253.176858][ T5673] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.184611][ T5673] CPU: 0 PID: 5673 Comm: syz.1.215 Not tainted syzkaller #0
[  253.191914][ T5673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  253.201999][ T5673] Call Trace:
[  253.205365][ T5673]  <TASK>
[  253.208318][ T5673]  dump_stack_lvl+0x188/0x250
[  253.213282][ T5673]  ? show_regs_print_info+0x20/0x20
[  253.218505][ T5673]  ? load_image+0x400/0x400
[  253.223046][ T5673]  sysfs_create_dir_ns+0x26a/0x290
[  253.228169][ T5673]  ? sysfs_warn_dup+0xa0/0xa0
[  253.232908][ T5673]  ? do_raw_spin_unlock+0x11d/0x230
[  253.238126][ T5673]  kobject_add_internal+0x6e0/0xd90
[  253.243350][ T5673]  kobject_init_and_add+0x128/0x190
[  253.248563][ T5673]  ? lockdep_softirqs_off+0x430/0x430
[  253.254061][ T5673]  ? kobject_add+0x230/0x230
[  253.258664][ T5673]  ? __init_swait_queue_head+0xa5/0x150
[  253.264400][ T5673]  gfs2_sys_fs_add+0x24f/0x4b0
[  253.269173][ T5673]  ? gfs2_recover_set+0x240/0x240
[  253.274190][ T5673]  ? snprintf+0xe5/0x140
[  253.278433][ T5673]  ? __free_pages+0x95/0x1a0
[  253.283011][ T5673]  ? vscnprintf+0x80/0x80
[  253.287596][ T5673]  gfs2_fill_super+0x120f/0x1f00
[  253.292550][ T5673]  ? gfs2_reconfigure+0xd30/0xd30
[  253.297582][ T5673]  ? sb_set_blocksize+0xa5/0xe0
[  253.302445][ T5673]  get_tree_bdev+0x3f1/0x610
[  253.307037][ T5673]  ? gfs2_reconfigure+0xd30/0xd30
[  253.312069][ T5673]  gfs2_get_tree+0x4d/0x1e0
[  253.316606][ T5673]  vfs_get_tree+0x88/0x270
[  253.321289][ T5673]  do_new_mount+0x24a/0xa40
[  253.325804][ T5673]  __se_sys_mount+0x2e3/0x3d0
[  253.330760][ T5673]  ? __x64_sys_mount+0xc0/0xc0
[  253.335556][ T5673]  ? lockdep_hardirqs_on+0x94/0x140
[  253.340752][ T5673]  ? __x64_sys_mount+0x1c/0xc0
[  253.345735][ T5673]  do_syscall_64+0x4c/0xa0
[  253.350350][ T5673]  ? clear_bhb_loop+0x30/0x80
[  253.355033][ T5673]  ? clear_bhb_loop+0x30/0x80
[  253.359717][ T5673]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  253.365691][ T5673] RIP: 0033:0x7f8627b4560a
[  253.370302][ T5673] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  253.390211][ T5673] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.398644][ T5673] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  253.407410][ T5673] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  253.415473][ T5673] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  253.423434][ T5673] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  253.431661][ T5673] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  253.439777][ T5673]  </TASK>
[  253.444329][ T5673] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.457617][ T5673] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  253.767196][ T5675] loop1: detected capacity change from 0 to 32768
[  253.828977][ T5675] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.836400][ T5675] CPU: 0 PID: 5675 Comm: syz.1.216 Not tainted syzkaller #0
[  253.843779][ T5675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  253.853932][ T5675] Call Trace:
[  253.857314][ T5675]  <TASK>
[  253.860256][ T5675]  dump_stack_lvl+0x188/0x250
[  253.865063][ T5675]  ? show_regs_print_info+0x20/0x20
[  253.870441][ T5675]  ? load_image+0x400/0x400
[  253.875073][ T5675]  sysfs_create_dir_ns+0x26a/0x290
[  253.880215][ T5675]  ? sysfs_warn_dup+0xa0/0xa0
[  253.884914][ T5675]  ? do_raw_spin_unlock+0x11d/0x230
[  253.890133][ T5675]  kobject_add_internal+0x6e0/0xd90
[  253.895353][ T5675]  kobject_init_and_add+0x128/0x190
[  253.900569][ T5675]  ? lockdep_softirqs_off+0x430/0x430
[  253.906270][ T5675]  ? kobject_add+0x230/0x230
[  253.910876][ T5675]  ? __init_swait_queue_head+0xa5/0x150
[  253.916417][ T5675]  gfs2_sys_fs_add+0x24f/0x4b0
[  253.921342][ T5675]  ? gfs2_recover_set+0x240/0x240
[  253.926366][ T5675]  ? snprintf+0xe5/0x140
[  253.930601][ T5675]  ? __free_pages+0x95/0x1a0
[  253.935398][ T5675]  ? vscnprintf+0x80/0x80
[  253.939757][ T5675]  gfs2_fill_super+0x120f/0x1f00
[  253.944720][ T5675]  ? gfs2_reconfigure+0xd30/0xd30
[  253.949833][ T5675]  ? sb_set_blocksize+0xa5/0xe0
[  253.954673][ T5675]  get_tree_bdev+0x3f1/0x610
[  253.959277][ T5675]  ? gfs2_reconfigure+0xd30/0xd30
[  253.964289][ T5675]  gfs2_get_tree+0x4d/0x1e0
[  253.968789][ T5675]  vfs_get_tree+0x88/0x270
[  253.973294][ T5675]  do_new_mount+0x24a/0xa40
[  253.977795][ T5675]  __se_sys_mount+0x2e3/0x3d0
[  253.982598][ T5675]  ? __x64_sys_mount+0xc0/0xc0
[  253.987362][ T5675]  ? lockdep_hardirqs_on+0x94/0x140
[  253.992719][ T5675]  ? __x64_sys_mount+0x1c/0xc0
[  253.997478][ T5675]  do_syscall_64+0x4c/0xa0
[  254.001889][ T5675]  ? clear_bhb_loop+0x30/0x80
[  254.006647][ T5675]  ? clear_bhb_loop+0x30/0x80
[  254.011309][ T5675]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  254.017300][ T5675] RIP: 0033:0x7f8627b4560a
[  254.021792][ T5675] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  254.041383][ T5675] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.049786][ T5675] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  254.057778][ T5675] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  254.065762][ T5675] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  254.073902][ T5675] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  254.081862][ T5675] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  254.089834][ T5675]  </TASK>
[  254.094465][ T5675] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.107950][ T5675] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  254.419323][ T5677] loop1: detected capacity change from 0 to 32768
[  254.479962][ T5677] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.488362][ T5677] CPU: 0 PID: 5677 Comm: syz.1.217 Not tainted syzkaller #0
[  254.495681][ T5677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  254.505760][ T5677] Call Trace:
[  254.509058][ T5677]  <TASK>
[  254.512097][ T5677]  dump_stack_lvl+0x188/0x250
[  254.516894][ T5677]  ? show_regs_print_info+0x20/0x20
[  254.522199][ T5677]  ? load_image+0x400/0x400
[  254.526994][ T5677]  sysfs_create_dir_ns+0x26a/0x290
[  254.532127][ T5677]  ? sysfs_warn_dup+0xa0/0xa0
[  254.536825][ T5677]  ? do_raw_spin_unlock+0x11d/0x230
[  254.542326][ T5677]  kobject_add_internal+0x6e0/0xd90
[  254.547639][ T5677]  kobject_init_and_add+0x128/0x190
[  254.552853][ T5677]  ? lockdep_softirqs_off+0x430/0x430
[  254.558253][ T5677]  ? kobject_add+0x230/0x230
[  254.562956][ T5677]  ? __init_swait_queue_head+0xa5/0x150
[  254.568633][ T5677]  gfs2_sys_fs_add+0x24f/0x4b0
[  254.573521][ T5677]  ? gfs2_recover_set+0x240/0x240
[  254.578564][ T5677]  ? snprintf+0xe5/0x140
[  254.582831][ T5677]  ? __free_pages+0x95/0x1a0
[  254.587479][ T5677]  ? vscnprintf+0x80/0x80
[  254.591820][ T5677]  gfs2_fill_super+0x120f/0x1f00
[  254.596789][ T5677]  ? gfs2_reconfigure+0xd30/0xd30
[  254.601821][ T5677]  ? sb_set_blocksize+0xa5/0xe0
[  254.606687][ T5677]  get_tree_bdev+0x3f1/0x610
[  254.611271][ T5677]  ? gfs2_reconfigure+0xd30/0xd30
[  254.616291][ T5677]  gfs2_get_tree+0x4d/0x1e0
[  254.620931][ T5677]  vfs_get_tree+0x88/0x270
[  254.625427][ T5677]  do_new_mount+0x24a/0xa40
[  254.630293][ T5677]  __se_sys_mount+0x2e3/0x3d0
[  254.635141][ T5677]  ? __x64_sys_mount+0xc0/0xc0
[  254.639926][ T5677]  ? lockdep_hardirqs_on+0x94/0x140
[  254.645255][ T5677]  ? __x64_sys_mount+0x1c/0xc0
[  254.650065][ T5677]  do_syscall_64+0x4c/0xa0
[  254.654770][ T5677]  ? clear_bhb_loop+0x30/0x80
[  254.659463][ T5677]  ? clear_bhb_loop+0x30/0x80
[  254.664156][ T5677]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  254.670160][ T5677] RIP: 0033:0x7f8627b4560a
[  254.674581][ T5677] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  254.694180][ T5677] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.702783][ T5677] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  254.710842][ T5677] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  254.719104][ T5677] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  254.727208][ T5677] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  254.735383][ T5677] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  254.743362][ T5677]  </TASK>
[  254.749288][ T5677] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.763441][ T5677] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/11 15:29:59 executed programs: 203
[  255.130893][ T5679] loop1: detected capacity change from 0 to 32768
[  255.149727][ T5679] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.157182][ T5679] CPU: 0 PID: 5679 Comm: syz.1.218 Not tainted syzkaller #0
[  255.164478][ T5679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  255.174631][ T5679] Call Trace:
[  255.177923][ T5679]  <TASK>
[  255.180876][ T5679]  dump_stack_lvl+0x188/0x250
[  255.185657][ T5679]  ? show_regs_print_info+0x20/0x20
[  255.190878][ T5679]  ? load_image+0x400/0x400
[  255.195417][ T5679]  sysfs_create_dir_ns+0x26a/0x290
[  255.200551][ T5679]  ? sysfs_warn_dup+0xa0/0xa0
[  255.205351][ T5679]  ? do_raw_spin_unlock+0x11d/0x230
[  255.210581][ T5679]  kobject_add_internal+0x6e0/0xd90
[  255.215818][ T5679]  kobject_init_and_add+0x128/0x190
[  255.221273][ T5679]  ? lockdep_softirqs_off+0x430/0x430
[  255.226682][ T5679]  ? kobject_add+0x230/0x230
[  255.231379][ T5679]  ? __init_swait_queue_head+0xa5/0x150
[  255.236941][ T5679]  gfs2_sys_fs_add+0x24f/0x4b0
[  255.241825][ T5679]  ? gfs2_recover_set+0x240/0x240
[  255.247031][ T5679]  ? snprintf+0xe5/0x140
[  255.251278][ T5679]  ? __free_pages+0x95/0x1a0
[  255.255880][ T5679]  ? vscnprintf+0x80/0x80
[  255.260203][ T5679]  gfs2_fill_super+0x120f/0x1f00
[  255.265138][ T5679]  ? gfs2_reconfigure+0xd30/0xd30
[  255.270189][ T5679]  ? sb_set_blocksize+0xa5/0xe0
[  255.275025][ T5679]  get_tree_bdev+0x3f1/0x610
[  255.279619][ T5679]  ? gfs2_reconfigure+0xd30/0xd30
[  255.284646][ T5679]  gfs2_get_tree+0x4d/0x1e0
[  255.289141][ T5679]  vfs_get_tree+0x88/0x270
[  255.293563][ T5679]  do_new_mount+0x24a/0xa40
[  255.298148][ T5679]  __se_sys_mount+0x2e3/0x3d0
[  255.302936][ T5679]  ? __x64_sys_mount+0xc0/0xc0
[  255.307690][ T5679]  ? lockdep_hardirqs_on+0x94/0x140
[  255.312904][ T5679]  ? __x64_sys_mount+0x1c/0xc0
[  255.317665][ T5679]  do_syscall_64+0x4c/0xa0
[  255.322179][ T5679]  ? clear_bhb_loop+0x30/0x80
[  255.326930][ T5679]  ? clear_bhb_loop+0x30/0x80
[  255.331625][ T5679]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  255.337698][ T5679] RIP: 0033:0x7f8627b4560a
[  255.342159][ T5679] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  255.362366][ T5679] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.371038][ T5679] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  255.379102][ T5679] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  255.387061][ T5679] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  255.395044][ T5679] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  255.403182][ T5679] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  255.411256][ T5679]  </TASK>
[  255.416119][ T5679] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.429265][ T5679] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.722433][ T1421] ieee802154 phy0 wpan0: encryption failed: -22
[  255.728787][ T1421] ieee802154 phy1 wpan1: encryption failed: -22
[  255.752840][ T5681] loop1: detected capacity change from 0 to 32768
[  255.807539][ T5681] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.816078][ T5681] CPU: 0 PID: 5681 Comm: syz.1.219 Not tainted syzkaller #0
[  255.823482][ T5681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  255.833726][ T5681] Call Trace:
[  255.837108][ T5681]  <TASK>
[  255.840080][ T5681]  dump_stack_lvl+0x188/0x250
[  255.844787][ T5681]  ? show_regs_print_info+0x20/0x20
[  255.850112][ T5681]  ? load_image+0x400/0x400
[  255.854807][ T5681]  sysfs_create_dir_ns+0x26a/0x290
[  255.859942][ T5681]  ? sysfs_warn_dup+0xa0/0xa0
[  255.864642][ T5681]  ? do_raw_spin_unlock+0x11d/0x230
[  255.869879][ T5681]  kobject_add_internal+0x6e0/0xd90
[  255.875185][ T5681]  kobject_init_and_add+0x128/0x190
[  255.880487][ T5681]  ? lockdep_softirqs_off+0x430/0x430
[  255.885966][ T5681]  ? kobject_add+0x230/0x230
[  255.890576][ T5681]  ? __init_swait_queue_head+0xa5/0x150
[  255.896138][ T5681]  gfs2_sys_fs_add+0x24f/0x4b0
[  255.900945][ T5681]  ? gfs2_recover_set+0x240/0x240
[  255.905961][ T5681]  ? snprintf+0xe5/0x140
[  255.910200][ T5681]  ? __free_pages+0x95/0x1a0
[  255.914775][ T5681]  ? vscnprintf+0x80/0x80
[  255.919281][ T5681]  gfs2_fill_super+0x120f/0x1f00
[  255.924261][ T5681]  ? gfs2_reconfigure+0xd30/0xd30
[  255.929300][ T5681]  ? sb_set_blocksize+0xa5/0xe0
[  255.934148][ T5681]  get_tree_bdev+0x3f1/0x610
[  255.938724][ T5681]  ? gfs2_reconfigure+0xd30/0xd30
[  255.943738][ T5681]  gfs2_get_tree+0x4d/0x1e0
[  255.948490][ T5681]  vfs_get_tree+0x88/0x270
[  255.952899][ T5681]  do_new_mount+0x24a/0xa40
[  255.957515][ T5681]  __se_sys_mount+0x2e3/0x3d0
[  255.962195][ T5681]  ? __x64_sys_mount+0xc0/0xc0
[  255.966970][ T5681]  ? lockdep_hardirqs_on+0x94/0x140
[  255.972168][ T5681]  ? __x64_sys_mount+0x1c/0xc0
[  255.976932][ T5681]  do_syscall_64+0x4c/0xa0
[  255.981511][ T5681]  ? clear_bhb_loop+0x30/0x80
[  255.986287][ T5681]  ? clear_bhb_loop+0x30/0x80
[  255.990960][ T5681]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  255.997481][ T5681] RIP: 0033:0x7f8627b4560a
[  256.002065][ T5681] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  256.022211][ T5681] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.031349][ T5681] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  256.039433][ T5681] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  256.047403][ T5681] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  256.056032][ T5681] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  256.064688][ T5681] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  256.072873][ T5681]  </TASK>
[  256.077676][ T5681] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.091188][ T5681] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  256.408678][ T5683] loop1: detected capacity change from 0 to 32768
[  256.458786][ T5683] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  256.466366][ T5683] CPU: 1 PID: 5683 Comm: syz.1.220 Not tainted syzkaller #0
[  256.473754][ T5683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  256.483826][ T5683] Call Trace:
[  256.487128][ T5683]  <TASK>
[  256.490085][ T5683]  dump_stack_lvl+0x188/0x250
[  256.495420][ T5683]  ? show_regs_print_info+0x20/0x20
[  256.500756][ T5683]  ? load_image+0x400/0x400
[  256.505384][ T5683]  sysfs_create_dir_ns+0x26a/0x290
[  256.510861][ T5683]  ? sysfs_warn_dup+0xa0/0xa0
[  256.515640][ T5683]  ? do_raw_spin_unlock+0x11d/0x230
[  256.521144][ T5683]  kobject_add_internal+0x6e0/0xd90
[  256.526474][ T5683]  kobject_init_and_add+0x128/0x190
[  256.531780][ T5683]  ? lockdep_softirqs_off+0x430/0x430
[  256.537533][ T5683]  ? kobject_add+0x230/0x230
[  256.542145][ T5683]  ? __init_swait_queue_head+0xa5/0x150
[  256.548039][ T5683]  gfs2_sys_fs_add+0x24f/0x4b0
[  256.553023][ T5683]  ? gfs2_recover_set+0x240/0x240
[  256.558046][ T5683]  ? snprintf+0xe5/0x140
[  256.562612][ T5683]  ? __free_pages+0x95/0x1a0
[  256.567489][ T5683]  ? vscnprintf+0x80/0x80
[  256.571923][ T5683]  gfs2_fill_super+0x120f/0x1f00
[  256.577236][ T5683]  ? gfs2_reconfigure+0xd30/0xd30
[  256.582273][ T5683]  ? sb_set_blocksize+0xa5/0xe0
[  256.587296][ T5683]  get_tree_bdev+0x3f1/0x610
[  256.592141][ T5683]  ? gfs2_reconfigure+0xd30/0xd30
[  256.597397][ T5683]  gfs2_get_tree+0x4d/0x1e0
[  256.601919][ T5683]  vfs_get_tree+0x88/0x270
[  256.606496][ T5683]  do_new_mount+0x24a/0xa40
[  256.611180][ T5683]  __se_sys_mount+0x2e3/0x3d0
[  256.615863][ T5683]  ? __x64_sys_mount+0xc0/0xc0
[  256.620805][ T5683]  ? lockdep_hardirqs_on+0x94/0x140
[  256.626214][ T5683]  ? __x64_sys_mount+0x1c/0xc0
[  256.630980][ T5683]  do_syscall_64+0x4c/0xa0
[  256.635388][ T5683]  ? clear_bhb_loop+0x30/0x80
[  256.640238][ T5683]  ? clear_bhb_loop+0x30/0x80
[  256.644909][ T5683]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  256.650791][ T5683] RIP: 0033:0x7f8627b4560a
[  256.655282][ T5683] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  256.675277][ T5683] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.683696][ T5683] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  256.691665][ T5683] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  256.699715][ T5683] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  256.707688][ T5683] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  256.715818][ T5683] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  256.724216][ T5683]  </TASK>
[  256.728421][ T5683] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.742237][ T5683] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  257.071285][ T5685] loop1: detected capacity change from 0 to 32768
[  257.091493][ T5685] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.099255][ T5685] CPU: 0 PID: 5685 Comm: syz.1.221 Not tainted syzkaller #0
[  257.106663][ T5685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  257.117000][ T5685] Call Trace:
[  257.120560][ T5685]  <TASK>
[  257.123512][ T5685]  dump_stack_lvl+0x188/0x250
[  257.128552][ T5685]  ? show_regs_print_info+0x20/0x20
[  257.133771][ T5685]  ? load_image+0x400/0x400
[  257.138311][ T5685]  sysfs_create_dir_ns+0x26a/0x290
[  257.143442][ T5685]  ? sysfs_warn_dup+0xa0/0xa0
[  257.148138][ T5685]  ? do_raw_spin_unlock+0x11d/0x230
[  257.153363][ T5685]  kobject_add_internal+0x6e0/0xd90
[  257.158595][ T5685]  kobject_init_and_add+0x128/0x190
[  257.163822][ T5685]  ? lockdep_softirqs_off+0x430/0x430
[  257.169344][ T5685]  ? kobject_add+0x230/0x230
[  257.174042][ T5685]  ? __init_swait_queue_head+0xa5/0x150
[  257.179610][ T5685]  gfs2_sys_fs_add+0x24f/0x4b0
[  257.184485][ T5685]  ? gfs2_recover_set+0x240/0x240
[  257.189611][ T5685]  ? snprintf+0xe5/0x140
[  257.194077][ T5685]  ? __free_pages+0x95/0x1a0
[  257.198675][ T5685]  ? vscnprintf+0x80/0x80
[  257.203232][ T5685]  gfs2_fill_super+0x120f/0x1f00
[  257.208364][ T5685]  ? gfs2_reconfigure+0xd30/0xd30
[  257.213523][ T5685]  ? sb_set_blocksize+0xa5/0xe0
[  257.218581][ T5685]  get_tree_bdev+0x3f1/0x610
[  257.223193][ T5685]  ? gfs2_reconfigure+0xd30/0xd30
[  257.228312][ T5685]  gfs2_get_tree+0x4d/0x1e0
[  257.232834][ T5685]  vfs_get_tree+0x88/0x270
[  257.237378][ T5685]  do_new_mount+0x24a/0xa40
[  257.241974][ T5685]  __se_sys_mount+0x2e3/0x3d0
[  257.246751][ T5685]  ? __x64_sys_mount+0xc0/0xc0
[  257.251713][ T5685]  ? lockdep_hardirqs_on+0x94/0x140
[  257.257007][ T5685]  ? __x64_sys_mount+0x1c/0xc0
[  257.262009][ T5685]  do_syscall_64+0x4c/0xa0
[  257.266632][ T5685]  ? clear_bhb_loop+0x30/0x80
[  257.271395][ T5685]  ? clear_bhb_loop+0x30/0x80
[  257.276067][ T5685]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  257.282057][ T5685] RIP: 0033:0x7f8627b4560a
[  257.286682][ T5685] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  257.307819][ T5685] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.316478][ T5685] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  257.324630][ T5685] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  257.332691][ T5685] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  257.340687][ T5685] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  257.348761][ T5685] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  257.356910][ T5685]  </TASK>
[  257.361468][ T5685] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  257.375288][ T5685] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  257.695716][ T5687] loop1: detected capacity change from 0 to 32768
[  257.747221][ T5687] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.754710][ T5687] CPU: 1 PID: 5687 Comm: syz.1.222 Not tainted syzkaller #0
[  257.762686][ T5687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  257.772998][ T5687] Call Trace:
[  257.776382][ T5687]  <TASK>
[  257.779335][ T5687]  dump_stack_lvl+0x188/0x250
[  257.784122][ T5687]  ? show_regs_print_info+0x20/0x20
[  257.789443][ T5687]  ? load_image+0x400/0x400
[  257.793985][ T5687]  sysfs_create_dir_ns+0x26a/0x290
[  257.799219][ T5687]  ? sysfs_warn_dup+0xa0/0xa0
[  257.804010][ T5687]  ? do_raw_spin_unlock+0x11d/0x230
[  257.809388][ T5687]  kobject_add_internal+0x6e0/0xd90
[  257.814779][ T5687]  kobject_init_and_add+0x128/0x190
[  257.820197][ T5687]  ? lockdep_softirqs_off+0x430/0x430
[  257.825606][ T5687]  ? kobject_add+0x230/0x230
[  257.830308][ T5687]  ? __init_swait_queue_head+0xa5/0x150
[  257.835880][ T5687]  gfs2_sys_fs_add+0x24f/0x4b0
[  257.840688][ T5687]  ? gfs2_recover_set+0x240/0x240
[  257.845832][ T5687]  ? snprintf+0xe5/0x140
[  257.850100][ T5687]  ? __free_pages+0x95/0x1a0
[  257.854682][ T5687]  ? vscnprintf+0x80/0x80
[  257.859111][ T5687]  gfs2_fill_super+0x120f/0x1f00
[  257.864244][ T5687]  ? gfs2_reconfigure+0xd30/0xd30
[  257.869386][ T5687]  ? sb_set_blocksize+0xa5/0xe0
[  257.874271][ T5687]  get_tree_bdev+0x3f1/0x610
[  257.879402][ T5687]  ? gfs2_reconfigure+0xd30/0xd30
[  257.884908][ T5687]  gfs2_get_tree+0x4d/0x1e0
[  257.889406][ T5687]  vfs_get_tree+0x88/0x270
[  257.893919][ T5687]  do_new_mount+0x24a/0xa40
[  257.898428][ T5687]  __se_sys_mount+0x2e3/0x3d0
[  257.903289][ T5687]  ? __x64_sys_mount+0xc0/0xc0
[  257.908060][ T5687]  ? lockdep_hardirqs_on+0x94/0x140
[  257.913588][ T5687]  ? __x64_sys_mount+0x1c/0xc0
[  257.918382][ T5687]  do_syscall_64+0x4c/0xa0
[  257.922838][ T5687]  ? clear_bhb_loop+0x30/0x80
[  257.927737][ T5687]  ? clear_bhb_loop+0x30/0x80
[  257.932434][ T5687]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  257.938328][ T5687] RIP: 0033:0x7f8627b4560a
[  257.942744][ T5687] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  257.962990][ T5687] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.971793][ T5687] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  257.979783][ T5687] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  257.987758][ T5687] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  257.995858][ T5687] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  258.003910][ T5687] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  258.011904][ T5687]  </TASK>
[  258.015839][ T5687] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.029262][ T5687] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  258.346019][ T5689] loop1: detected capacity change from 0 to 32768
[  258.396937][ T5689] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  258.404582][ T5689] CPU: 1 PID: 5689 Comm: syz.1.223 Not tainted syzkaller #0
[  258.411907][ T5689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  258.421987][ T5689] Call Trace:
[  258.425372][ T5689]  <TASK>
[  258.428393][ T5689]  dump_stack_lvl+0x188/0x250
[  258.433184][ T5689]  ? show_regs_print_info+0x20/0x20
[  258.438578][ T5689]  ? load_image+0x400/0x400
[  258.443131][ T5689]  sysfs_create_dir_ns+0x26a/0x290
[  258.448366][ T5689]  ? sysfs_warn_dup+0xa0/0xa0
[  258.453198][ T5689]  ? do_raw_spin_unlock+0x11d/0x230
[  258.458518][ T5689]  kobject_add_internal+0x6e0/0xd90
[  258.463753][ T5689]  kobject_init_and_add+0x128/0x190
[  258.468994][ T5689]  ? lockdep_softirqs_off+0x430/0x430
[  258.474593][ T5689]  ? kobject_add+0x230/0x230
[  258.479217][ T5689]  ? __init_swait_queue_head+0xa5/0x150
[  258.484870][ T5689]  gfs2_sys_fs_add+0x24f/0x4b0
[  258.489720][ T5689]  ? gfs2_recover_set+0x240/0x240
[  258.494967][ T5689]  ? snprintf+0xe5/0x140
[  258.499555][ T5689]  ? __free_pages+0x95/0x1a0
[  258.504142][ T5689]  ? vscnprintf+0x80/0x80
[  258.508557][ T5689]  gfs2_fill_super+0x120f/0x1f00
[  258.513604][ T5689]  ? gfs2_reconfigure+0xd30/0xd30
[  258.518829][ T5689]  ? sb_set_blocksize+0xa5/0xe0
[  258.523682][ T5689]  get_tree_bdev+0x3f1/0x610
[  258.528288][ T5689]  ? gfs2_reconfigure+0xd30/0xd30
[  258.533566][ T5689]  gfs2_get_tree+0x4d/0x1e0
[  258.538061][ T5689]  vfs_get_tree+0x88/0x270
[  258.542605][ T5689]  do_new_mount+0x24a/0xa40
[  258.547114][ T5689]  __se_sys_mount+0x2e3/0x3d0
[  258.551793][ T5689]  ? __x64_sys_mount+0xc0/0xc0
[  258.556585][ T5689]  ? lockdep_hardirqs_on+0x94/0x140
[  258.561858][ T5689]  ? __x64_sys_mount+0x1c/0xc0
[  258.566885][ T5689]  do_syscall_64+0x4c/0xa0
[  258.571400][ T5689]  ? clear_bhb_loop+0x30/0x80
[  258.576099][ T5689]  ? clear_bhb_loop+0x30/0x80
[  258.581328][ T5689]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  258.587428][ T5689] RIP: 0033:0x7f8627b4560a
[  258.592029][ T5689] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  258.611837][ T5689] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  258.620632][ T5689] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  258.628805][ T5689] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  258.636961][ T5689] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  258.645059][ T5689] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  258.653039][ T5689] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  258.661356][ T5689]  </TASK>
[  258.665187][ T5689] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.678560][ T5689] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  258.928635][   T27] INFO: task syz.0.17:5250 blocked for more than 143 seconds.
[  258.936845][   T27]       Not tainted syzkaller #0
[  258.944650][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  258.953876][   T27] task:syz.0.17        state:D stack:24632 pid: 5250 ppid:  4994 flags:0x00004004
[  258.966581][   T27] Call Trace:
[  258.970267][   T27]  <TASK>
[  258.973484][   T27]  __schedule+0x11ef/0x43c0
[  258.980636][   T27]  ? mark_lock+0x94/0x320
[  258.985022][   T27]  ? lock_chain_count+0x20/0x20
[  258.991804][   T27]  ? release_firmware_map_entry+0x190/0x190
[  259.000628][   T27]  ? _raw_spin_unlock_irqrestore+0x82/0x120
[  259.006969][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  259.012594][   T27]  ? _raw_spin_unlock_irqrestore+0xc1/0x120
[  259.015488][ T5691] loop1: detected capacity change from 0 to 32768
[  259.021236][   T27]  schedule+0x11b/0x1e0
[  259.031073][   T27]  bit_wait+0xd/0xc0
[  259.035505][   T27]  out_of_line_wait_on_bit+0x173/0x230
[  259.037174][ T5691] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.041459][   T27]  ? out_of_line_wait_on_bit_lock+0x190/0x190
[  259.055389][   T27]  ? __wait_on_bit+0x170/0x170
[  259.055693][ T5691] CPU: 0 PID: 5691 Comm: syz.1.224 Not tainted syzkaller #0
[  259.060705][   T27]  ? bit_waitqueue+0x30/0x30
[  259.067533][ T5691] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  259.067554][ T5691] Call Trace:
[  259.067562][ T5691]  <TASK>
[  259.067570][ T5691]  dump_stack_lvl+0x188/0x250
[  259.067595][ T5691]  ? show_regs_print_info+0x20/0x20
[  259.072933][   T27]  gfs2_glock_wait+0xd9/0x1c0
[  259.082268][ T5691]  ? load_image+0x400/0x400
[  259.082300][ T5691]  sysfs_create_dir_ns+0x26a/0x290
[  259.082321][ T5691]  ? sysfs_warn_dup+0xa0/0xa0
[  259.086121][   T27]  gfs2_statfs_init+0x11f/0x4d0
[  259.088623][ T5691]  ? do_raw_spin_unlock+0x11d/0x230
[  259.088647][ T5691]  kobject_add_internal+0x6e0/0xd90
[  259.088672][ T5691]  kobject_init_and_add+0x128/0x190
[  259.093816][   T27]  ? gfs2_glock_wait+0x136/0x1c0
[  259.098528][ T5691]  ? lockdep_softirqs_off+0x430/0x430
[  259.098556][ T5691]  ? kobject_add+0x230/0x230
[  259.098577][ T5691]  ? __init_swait_queue_head+0xa5/0x150
[  259.098601][ T5691]  gfs2_sys_fs_add+0x24f/0x4b0
[  259.103966][   T27]  ? gfs2_statfs_change_out+0xe0/0xe0
[  259.107934][ T5691]  ? gfs2_recover_set+0x240/0x240
[  259.107958][ T5691]  ? snprintf+0xe5/0x140
[  259.107974][ T5691]  ? __free_pages+0x95/0x1a0
[  259.107994][ T5691]  ? vscnprintf+0x80/0x80
[  259.108018][ T5691]  gfs2_fill_super+0x120f/0x1f00
[  259.108047][ T5691]  ? gfs2_reconfigure+0xd30/0xd30
[  259.108082][ T5691]  ? sb_set_blocksize+0xa5/0xe0
[  259.108101][ T5691]  get_tree_bdev+0x3f1/0x610
[  259.108121][ T5691]  ? gfs2_reconfigure+0xd30/0xd30
[  259.108140][ T5691]  gfs2_get_tree+0x4d/0x1e0
[  259.122441][   T27]  ? init_per_node+0x2cb/0x3e0
[  259.123484][ T5691]  vfs_get_tree+0x88/0x270
[  259.129157][   T27]  ? gfs2_statfs_init+0x117/0x4d0
[  259.134272][ T5691]  do_new_mount+0x24a/0xa40
[  259.134300][ T5691]  __se_sys_mount+0x2e3/0x3d0
[  259.140200][   T27]  ? init_inodes+0x26a/0x320
[  259.144708][ T5691]  ? __x64_sys_mount+0xc0/0xc0
[  259.150549][   T27]  gfs2_fill_super+0x16fc/0x1f00
[  259.154889][ T5691]  ? lockdep_hardirqs_on+0x94/0x140
[  259.170522][   T27]  ? gfs2_reconfigure+0xd30/0xd30
[  259.170610][ T5691]  ? __x64_sys_mount+0x1c/0xc0
[  259.183356][   T27]  ? gfs2_glock_nq_num+0x82/0x1b0
[  259.184636][ T5691]  do_syscall_64+0x4c/0xa0
[  259.197845][   T27]  ? sb_set_blocksize+0xa5/0xe0
[  259.198897][ T5691]  ? clear_bhb_loop+0x30/0x80
[  259.208167][   T27]  get_tree_bdev+0x3f1/0x610
[  259.208314][ T5691]  ? clear_bhb_loop+0x30/0x80
[  259.213327][   T27]  ? gfs2_reconfigure+0xd30/0xd30
[  259.217812][ T5691]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  259.217831][ T5691] RIP: 0033:0x7f8627b4560a
[  259.217848][ T5691] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  259.217863][ T5691] RSP: 002b:00007f86271a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.228860][   T27]  gfs2_get_tree+0x4d/0x1e0
[  259.232158][ T5691] RAX: ffffffffffffffda RBX: 00007f86271a7ee0 RCX: 00007f8627b4560a
[  259.236780][   T27]  vfs_get_tree+0x88/0x270
[  259.241647][ T5691] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f86271a7ea0
[  259.241662][ T5691] RBP: 0000200000000400 R08: 00007f86271a7ee0 R09: 0000000000000000
[  259.241674][ T5691] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  259.241685][ T5691] R13: 00007f86271a7ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  259.241716][ T5691]  </TASK>
[  259.247257][   T27]  do_new_mount+0x24a/0xa40
[  259.255949][ T5691] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  259.257299][   T27]  __se_sys_mount+0x2e3/0x3d0
[  259.261989][ T5691] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.268074][   T27]  ? __x64_sys_mount+0xc0/0xc0
[  259.433196][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  259.438548][   T27]  ? __x64_sys_mount+0x1c/0xc0
[  259.443406][   T27]  do_syscall_64+0x4c/0xa0
[  259.447879][   T27]  ? clear_bhb_loop+0x30/0x80
[  259.452566][   T27]  ? clear_bhb_loop+0x30/0x80
[  259.457232][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  259.463314][   T27] RIP: 0033:0x7f7a26f8960a
[  259.467915][   T27] RSP: 002b:00007f7a265ebe58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.476359][   T27] RAX: ffffffffffffffda RBX: 00007f7a265ebee0 RCX: 00007f7a26f8960a
[  259.484608][   T27] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f7a265ebea0
[  259.492810][   T27] RBP: 0000200000000400 R08: 00007f7a265ebee0 R09: 0000000000000000
[  259.500964][   T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  259.509280][   T27] R13: 00007f7a265ebea0 R14: 00000000000125e1 R15: 00002000000000c0
[  259.517538][   T27]  </TASK>
[  259.520805][   T27] 
[  259.520805][   T27] Showing all locks held in the system:
[  259.528945][   T27] 1 lock held by khungtaskd/27:
[  259.533806][   T27]  #0: ffffffff8c31eaa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[  259.543584][   T27] 2 locks held by getty/3950:
[  259.548686][   T27]  #0: ffff88807e880098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[  259.558773][   T27]  #1: ffffc900025ce2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5df/0x1a70
[  259.569431][   T27] 1 lock held by syz.0.17/5250:
[  259.574574][   T27]  #0: ffff88807ba780e0 (&type->s_umount_key#53/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950
[  259.584913][   T27] 2 locks held by syz.1.224/5691:
[  259.590053][   T27]  #0: ffff888020508518 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0
[  259.599800][   T27]  #1: ffff88814777d468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[  259.608954][   T27] 
[  259.611323][   T27] =============================================
[  259.611323][   T27] 
[  259.619861][   T27] NMI backtrace for cpu 1
[  259.624201][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  259.632029][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  259.642178][   T27] Call Trace:
[  259.645557][   T27]  <TASK>
[  259.648577][   T27]  dump_stack_lvl+0x188/0x250
[  259.653254][   T27]  ? show_regs_print_info+0x20/0x20
[  259.658871][   T27]  ? load_image+0x400/0x400
[  259.663575][   T27]  ? nmi_cpu_backtrace+0x1b2/0x3d0
[  259.668702][   T27]  nmi_cpu_backtrace+0x3a2/0x3d0
[  259.673708][   T27]  ? nmi_trigger_cpumask_backtrace+0x280/0x280
[  259.679853][   T27]  ? _printk+0xda/0x130
[  259.684122][   T27]  ? load_image+0x400/0x400
[  259.688710][   T27]  ? load_image+0x400/0x400
[  259.693339][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  259.699419][   T27]  nmi_trigger_cpumask_backtrace+0x163/0x280
[  259.705669][   T27]  watchdog+0xe0f/0xe50
[  259.709869][   T27]  kthread+0x436/0x520
[  259.714075][   T27]  ? hungtask_pm_notify+0x40/0x40
[  259.719208][   T27]  ? kthread_blkcg+0xd0/0xd0
[  259.723981][   T27]  ret_from_fork+0x1f/0x30
[  259.728422][   T27]  </TASK>
[  259.731598][   T27] Sending NMI from CPU 1 to CPUs 0:
[  259.736845][    C0] NMI backtrace for cpu 0 skipped: idling at default_idle+0xb/0x10
[  259.738738][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  259.752569][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  259.759965][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  259.770127][   T27] Call Trace:
[  259.773496][   T27]  <TASK>
[  259.776427][   T27]  dump_stack_lvl+0x188/0x250
[  259.781341][   T27]  ? show_regs_print_info+0x20/0x20
[  259.786746][   T27]  ? load_image+0x400/0x400
[  259.791812][   T27]  panic+0x2e5/0x810
[  259.795816][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  259.801987][   T27]  ? bpf_jit_dump+0xd0/0xd0
[  259.806522][   T27]  ? __irq_work_queue_local+0x12c/0x190
[  259.812290][   T27]  ? nmi_trigger_cpumask_backtrace+0x260/0x280
[  259.818741][   T27]  watchdog+0xe4e/0xe50
[  259.822929][   T27]  kthread+0x436/0x520
[  259.827013][   T27]  ? hungtask_pm_notify+0x40/0x40
[  259.832175][   T27]  ? kthread_blkcg+0xd0/0xd0
[  259.836792][   T27]  ret_from_fork+0x1f/0x30
[  259.841333][   T27]  </TASK>
[  259.844928][   T27] Kernel Offset: disabled
[  259.849438][   T27] Rebooting in 86400 seconds..