_recover_set+0x240/0x240
[  234.242547][ T5384]  ? snprintf+0xe5/0x140
[  234.247219][ T5384]  ? __free_pages+0x95/0x1a0
[  234.251868][ T5384]  ? vscnprintf+0x80/0x80
[  234.256194][ T5384]  gfs2_fill_super+0x120f/0x1f00
[  234.261233][ T5384]  ? gfs2_reconfigure+0xd30/0xd30
[  234.266300][ T5384]  ? sb_set_blocksize+0xa5/0xe0
[  234.271232][ T5384]  get_tree_bdev+0x3f1/0x610
[  234.275818][ T5384]  ? gfs2_reconfigure+0xd30/0xd30
[  234.280830][ T5384]  gfs2_get_tree+0x4d/0x1e0
[  234.285425][ T5384]  vfs_get_tree+0x88/0x270
[  234.289844][ T5384]  do_new_mount+0x24a/0xa40
[  234.294363][ T5384]  __se_sys_mount+0x2e3/0x3d0
[  234.299069][ T5384]  ? __x64_sys_mount+0xc0/0xc0
[  234.303834][ T5384]  ? lockdep_hardirqs_on+0x94/0x140
[  234.309027][ T5384]  ? __x64_sys_mount+0x1c/0xc0
[  234.313805][ T5384]  do_syscall_64+0x4c/0xa0
[  234.318218][ T5384]  ? clear_bhb_loop+0x30/0x80
[  234.322887][ T5384]  ? clear_bhb_loop+0x30/0x80
[  234.327558][ T5384]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  234.333441][ T5384] RIP: 0033:0x7f46c8d0660a
[  234.337863][ T5384] 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
[  234.357642][ T5384] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  234.366054][ T5384] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  234.374036][ T5384] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  234.382024][ T5384] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  234.390004][ T5384] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  234.397974][ T5384] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  234.405968][ T5384]  </TASK>
[  234.416382][ T5384] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  234.430009][ T5384] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  234.767240][ T5386] loop1: detected capacity change from 0 to 32768
[  234.815727][ T5386] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  234.829301][ T5386] CPU: 0 PID: 5386 Comm: syz.1.176 Not tainted syzkaller #0
[  234.836741][ T5386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  234.846821][ T5386] Call Trace:
[  234.850130][ T5386]  <TASK>
[  234.853088][ T5386]  dump_stack_lvl+0x188/0x250
[  234.857800][ T5386]  ? show_regs_print_info+0x20/0x20
[  234.863025][ T5386]  ? load_image+0x400/0x400
[  234.867579][ T5386]  sysfs_create_dir_ns+0x26a/0x290
[  234.872732][ T5386]  ? sysfs_warn_dup+0xa0/0xa0
[  234.877443][ T5386]  ? do_raw_spin_unlock+0x11d/0x230
[  234.882674][ T5386]  kobject_add_internal+0x6e0/0xd90
[  234.887902][ T5386]  kobject_init_and_add+0x128/0x190
[  234.893225][ T5386]  ? lockdep_softirqs_off+0x430/0x430
[  234.898626][ T5386]  ? kobject_add+0x230/0x230
[  234.903255][ T5386]  ? __init_swait_queue_head+0xa5/0x150
[  234.908833][ T5386]  gfs2_sys_fs_add+0x24f/0x4b0
[  234.913614][ T5386]  ? gfs2_recover_set+0x240/0x240
[  234.918646][ T5386]  ? snprintf+0xe5/0x140
[  234.922967][ T5386]  ? __free_pages+0x95/0x1a0
[  234.927559][ T5386]  ? vscnprintf+0x80/0x80
[  234.931889][ T5386]  gfs2_fill_super+0x120f/0x1f00
[  234.936837][ T5386]  ? gfs2_reconfigure+0xd30/0xd30
[  234.941880][ T5386]  ? sb_set_blocksize+0xa5/0xe0
[  234.946917][ T5386]  get_tree_bdev+0x3f1/0x610
[  234.951501][ T5386]  ? gfs2_reconfigure+0xd30/0xd30
[  234.956523][ T5386]  gfs2_get_tree+0x4d/0x1e0
[  234.961210][ T5386]  vfs_get_tree+0x88/0x270
[  234.965776][ T5386]  do_new_mount+0x24a/0xa40
[  234.970287][ T5386]  __se_sys_mount+0x2e3/0x3d0
[  234.974981][ T5386]  ? __x64_sys_mount+0xc0/0xc0
[  234.979746][ T5386]  ? lockdep_hardirqs_on+0x94/0x140
[  234.984962][ T5386]  ? __x64_sys_mount+0x1c/0xc0
[  234.989725][ T5386]  do_syscall_64+0x4c/0xa0
[  234.994129][ T5386]  ? clear_bhb_loop+0x30/0x80
[  234.999237][ T5386]  ? clear_bhb_loop+0x30/0x80
[  235.003905][ T5386]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  235.009970][ T5386] RIP: 0033:0x7f46c8d0660a
[  235.014400][ T5386] 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
[  235.034099][ T5386] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.042649][ T5386] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  235.050775][ T5386] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  235.058743][ T5386] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  235.066705][ T5386] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  235.074685][ T5386] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  235.082676][ T5386]  </TASK>
[  235.086280][ T5386] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  235.099475][ T5386] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/03/28 11:11:25 executed programs: 162
[  235.434710][ T5388] loop1: detected capacity change from 0 to 32768
[  235.502959][ T5388] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  235.510493][ T5388] CPU: 1 PID: 5388 Comm: syz.1.177 Not tainted syzkaller #0
[  235.517814][ T5388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  235.527896][ T5388] Call Trace:
[  235.531200][ T5388]  <TASK>
[  235.534161][ T5388]  dump_stack_lvl+0x188/0x250
[  235.538873][ T5388]  ? show_regs_print_info+0x20/0x20
[  235.544104][ T5388]  ? load_image+0x400/0x400
[  235.548649][ T5388]  sysfs_create_dir_ns+0x26a/0x290
[  235.553792][ T5388]  ? sysfs_warn_dup+0xa0/0xa0
[  235.558499][ T5388]  ? do_raw_spin_unlock+0x11d/0x230
[  235.563728][ T5388]  kobject_add_internal+0x6e0/0xd90
[  235.568958][ T5388]  kobject_init_and_add+0x128/0x190
[  235.574177][ T5388]  ? lockdep_softirqs_off+0x430/0x430
[  235.579579][ T5388]  ? kobject_add+0x230/0x230
[  235.584214][ T5388]  ? __init_swait_queue_head+0xa5/0x150
[  235.589840][ T5388]  gfs2_sys_fs_add+0x24f/0x4b0
[  235.594604][ T5388]  ? gfs2_recover_set+0x240/0x240
[  235.599624][ T5388]  ? snprintf+0xe5/0x140
[  235.603869][ T5388]  ? __free_pages+0x95/0x1a0
[  235.608550][ T5388]  ? vscnprintf+0x80/0x80
[  235.612876][ T5388]  gfs2_fill_super+0x120f/0x1f00
[  235.617814][ T5388]  ? gfs2_reconfigure+0xd30/0xd30
[  235.622836][ T5388]  ? sb_set_blocksize+0xa5/0xe0
[  235.627680][ T5388]  get_tree_bdev+0x3f1/0x610
[  235.632271][ T5388]  ? gfs2_reconfigure+0xd30/0xd30
[  235.637287][ T5388]  gfs2_get_tree+0x4d/0x1e0
[  235.641781][ T5388]  vfs_get_tree+0x88/0x270
[  235.646194][ T5388]  do_new_mount+0x24a/0xa40
[  235.650799][ T5388]  __se_sys_mount+0x2e3/0x3d0
[  235.655493][ T5388]  ? __x64_sys_mount+0xc0/0xc0
[  235.660249][ T5388]  ? lockdep_hardirqs_on+0x94/0x140
[  235.665671][ T5388]  ? __x64_sys_mount+0x1c/0xc0
[  235.670460][ T5388]  do_syscall_64+0x4c/0xa0
[  235.674899][ T5388]  ? clear_bhb_loop+0x30/0x80
[  235.679575][ T5388]  ? clear_bhb_loop+0x30/0x80
[  235.684246][ T5388]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  235.690131][ T5388] RIP: 0033:0x7f46c8d0660a
[  235.694564][ T5388] 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
[  235.714464][ T5388] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.722906][ T5388] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  235.730879][ T5388] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  235.738955][ T5388] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  235.746917][ T5388] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  235.754878][ T5388] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  235.762853][ T5388]  </TASK>
[  235.767760][ T5388] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  235.780946][ T5388] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  236.136110][ T5390] loop1: detected capacity change from 0 to 32768
[  236.193159][ T5390] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  236.202091][ T5390] CPU: 1 PID: 5390 Comm: syz.1.178 Not tainted syzkaller #0
[  236.209418][ T5390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  236.219591][ T5390] Call Trace:
[  236.222898][ T5390]  <TASK>
[  236.226020][ T5390]  dump_stack_lvl+0x188/0x250
[  236.230729][ T5390]  ? show_regs_print_info+0x20/0x20
[  236.236007][ T5390]  ? load_image+0x400/0x400
[  236.240549][ T5390]  sysfs_create_dir_ns+0x26a/0x290
[  236.245688][ T5390]  ? sysfs_warn_dup+0xa0/0xa0
[  236.250397][ T5390]  ? do_raw_spin_unlock+0x11d/0x230
[  236.255626][ T5390]  kobject_add_internal+0x6e0/0xd90
[  236.260943][ T5390]  kobject_init_and_add+0x128/0x190
[  236.266263][ T5390]  ? lockdep_softirqs_off+0x430/0x430
[  236.271674][ T5390]  ? kobject_add+0x230/0x230
[  236.276301][ T5390]  ? __init_swait_queue_head+0xa5/0x150
[  236.282114][ T5390]  gfs2_sys_fs_add+0x24f/0x4b0
[  236.286880][ T5390]  ? gfs2_recover_set+0x240/0x240
[  236.291908][ T5390]  ? snprintf+0xe5/0x140
[  236.296144][ T5390]  ? __free_pages+0x95/0x1a0
[  236.300729][ T5390]  ? vscnprintf+0x80/0x80
[  236.305054][ T5390]  gfs2_fill_super+0x120f/0x1f00
[  236.310009][ T5390]  ? gfs2_reconfigure+0xd30/0xd30
[  236.315244][ T5390]  ? sb_set_blocksize+0xa5/0xe0
[  236.320100][ T5390]  get_tree_bdev+0x3f1/0x610
[  236.324682][ T5390]  ? gfs2_reconfigure+0xd30/0xd30
[  236.329698][ T5390]  gfs2_get_tree+0x4d/0x1e0
[  236.334203][ T5390]  vfs_get_tree+0x88/0x270
[  236.338611][ T5390]  do_new_mount+0x24a/0xa40
[  236.343109][ T5390]  __se_sys_mount+0x2e3/0x3d0
[  236.347777][ T5390]  ? __x64_sys_mount+0xc0/0xc0
[  236.352531][ T5390]  ? lockdep_hardirqs_on+0x94/0x140
[  236.357721][ T5390]  ? __x64_sys_mount+0x1c/0xc0
[  236.362486][ T5390]  do_syscall_64+0x4c/0xa0
[  236.366916][ T5390]  ? clear_bhb_loop+0x30/0x80
[  236.371595][ T5390]  ? clear_bhb_loop+0x30/0x80
[  236.376362][ T5390]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  236.382243][ T5390] RIP: 0033:0x7f46c8d0660a
[  236.386649][ T5390] 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
[  236.406261][ T5390] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  236.414669][ T5390] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  236.422720][ T5390] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  236.430785][ T5390] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  236.438755][ T5390] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  236.446717][ T5390] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  236.454690][ T5390]  </TASK>
[  236.459992][ T5390] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  236.473341][ T5390] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  236.834749][ T5392] loop1: detected capacity change from 0 to 32768
[  236.845433][ T5392] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  236.853962][ T5392] CPU: 1 PID: 5392 Comm: syz.1.179 Not tainted syzkaller #0
[  236.861303][ T5392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  236.871392][ T5392] Call Trace:
[  236.874697][ T5392]  <TASK>
[  236.877649][ T5392]  dump_stack_lvl+0x188/0x250
[  236.882362][ T5392]  ? show_regs_print_info+0x20/0x20
[  236.887585][ T5392]  ? load_image+0x400/0x400
[  236.892139][ T5392]  sysfs_create_dir_ns+0x26a/0x290
[  236.897280][ T5392]  ? sysfs_warn_dup+0xa0/0xa0
[  236.901961][ T5392]  ? do_raw_spin_unlock+0x11d/0x230
[  236.907152][ T5392]  kobject_add_internal+0x6e0/0xd90
[  236.912356][ T5392]  kobject_init_and_add+0x128/0x190
[  236.917545][ T5392]  ? lockdep_softirqs_off+0x430/0x430
[  236.922914][ T5392]  ? kobject_add+0x230/0x230
[  236.927503][ T5392]  ? __init_swait_queue_head+0xa5/0x150
[  236.933067][ T5392]  gfs2_sys_fs_add+0x24f/0x4b0
[  236.937824][ T5392]  ? gfs2_recover_set+0x240/0x240
[  236.942837][ T5392]  ? snprintf+0xe5/0x140
[  236.947081][ T5392]  ? __free_pages+0x95/0x1a0
[  236.951674][ T5392]  ? vscnprintf+0x80/0x80
[  236.956001][ T5392]  gfs2_fill_super+0x120f/0x1f00
[  236.961069][ T5392]  ? gfs2_reconfigure+0xd30/0xd30
[  236.966294][ T5392]  ? sb_set_blocksize+0xa5/0xe0
[  236.971153][ T5392]  get_tree_bdev+0x3f1/0x610
[  236.975748][ T5392]  ? gfs2_reconfigure+0xd30/0xd30
[  236.980778][ T5392]  gfs2_get_tree+0x4d/0x1e0
[  236.985274][ T5392]  vfs_get_tree+0x88/0x270
[  236.989679][ T5392]  do_new_mount+0x24a/0xa40
[  236.994175][ T5392]  __se_sys_mount+0x2e3/0x3d0
[  236.998844][ T5392]  ? __x64_sys_mount+0xc0/0xc0
[  237.003595][ T5392]  ? lockdep_hardirqs_on+0x94/0x140
[  237.008788][ T5392]  ? __x64_sys_mount+0x1c/0xc0
[  237.013557][ T5392]  do_syscall_64+0x4c/0xa0
[  237.018025][ T5392]  ? clear_bhb_loop+0x30/0x80
[  237.022695][ T5392]  ? clear_bhb_loop+0x30/0x80
[  237.027371][ T5392]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  237.033446][ T5392] RIP: 0033:0x7f46c8d0660a
[  237.037853][ T5392] 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
[  237.057716][ T5392] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  237.066149][ T5392] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  237.074122][ T5392] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  237.082082][ T5392] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  237.090049][ T5392] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  237.098115][ T5392] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  237.106085][ T5392]  </TASK>
[  237.110998][ T5392] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  237.124181][ T5392] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  237.493104][ T5394] loop1: detected capacity change from 0 to 32768
[  237.540416][ T5394] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  237.547898][ T5394] CPU: 0 PID: 5394 Comm: syz.1.180 Not tainted syzkaller #0
[  237.555212][ T5394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  237.565294][ T5394] Call Trace:
[  237.568607][ T5394]  <TASK>
[  237.571568][ T5394]  dump_stack_lvl+0x188/0x250
[  237.576282][ T5394]  ? show_regs_print_info+0x20/0x20
[  237.581513][ T5394]  ? load_image+0x400/0x400
[  237.586058][ T5394]  sysfs_create_dir_ns+0x26a/0x290
[  237.591198][ T5394]  ? sysfs_warn_dup+0xa0/0xa0
[  237.595896][ T5394]  ? do_raw_spin_unlock+0x11d/0x230
[  237.601142][ T5394]  kobject_add_internal+0x6e0/0xd90
[  237.606388][ T5394]  kobject_init_and_add+0x128/0x190
[  237.611621][ T5394]  ? lockdep_softirqs_off+0x430/0x430
[  237.617029][ T5394]  ? kobject_add+0x230/0x230
[  237.621651][ T5394]  ? __init_swait_queue_head+0xa5/0x150
[  237.627264][ T5394]  gfs2_sys_fs_add+0x24f/0x4b0
[  237.632053][ T5394]  ? gfs2_recover_set+0x240/0x240
[  237.637103][ T5394]  ? snprintf+0xe5/0x140
[  237.641378][ T5394]  ? __free_pages+0x95/0x1a0
[  237.645986][ T5394]  ? vscnprintf+0x80/0x80
[  237.650489][ T5394]  gfs2_fill_super+0x120f/0x1f00
[  237.655444][ T5394]  ? gfs2_reconfigure+0xd30/0xd30
[  237.660475][ T5394]  ? sb_set_blocksize+0xa5/0xe0
[  237.665321][ T5394]  get_tree_bdev+0x3f1/0x610
[  237.669905][ T5394]  ? gfs2_reconfigure+0xd30/0xd30
[  237.674921][ T5394]  gfs2_get_tree+0x4d/0x1e0
[  237.679508][ T5394]  vfs_get_tree+0x88/0x270
[  237.683922][ T5394]  do_new_mount+0x24a/0xa40
[  237.688459][ T5394]  __se_sys_mount+0x2e3/0x3d0
[  237.693127][ T5394]  ? __x64_sys_mount+0xc0/0xc0
[  237.697882][ T5394]  ? lockdep_hardirqs_on+0x94/0x140
[  237.703096][ T5394]  ? __x64_sys_mount+0x1c/0xc0
[  237.707853][ T5394]  do_syscall_64+0x4c/0xa0
[  237.712285][ T5394]  ? clear_bhb_loop+0x30/0x80
[  237.716967][ T5394]  ? clear_bhb_loop+0x30/0x80
[  237.721639][ T5394]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  237.727520][ T5394] RIP: 0033:0x7f46c8d0660a
[  237.731928][ T5394] 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
[  237.751541][ T5394] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  237.759975][ T5394] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  237.767944][ T5394] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  237.775907][ T5394] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  237.783890][ T5394] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  237.791872][ T5394] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  237.799851][ T5394]  </TASK>
[  237.804687][ T5394] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  237.818304][ T5394] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  238.176580][ T5396] loop1: detected capacity change from 0 to 32768
[  238.233125][ T5396] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  238.242043][ T5396] CPU: 0 PID: 5396 Comm: syz.1.181 Not tainted syzkaller #0
[  238.249378][ T5396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  238.259462][ T5396] Call Trace:
[  238.262777][ T5396]  <TASK>
[  238.265739][ T5396]  dump_stack_lvl+0x188/0x250
[  238.270446][ T5396]  ? show_regs_print_info+0x20/0x20
[  238.275673][ T5396]  ? load_image+0x400/0x400
[  238.280212][ T5396]  sysfs_create_dir_ns+0x26a/0x290
[  238.285344][ T5396]  ? sysfs_warn_dup+0xa0/0xa0
[  238.290055][ T5396]  ? do_raw_spin_unlock+0x11d/0x230
[  238.295284][ T5396]  kobject_add_internal+0x6e0/0xd90
[  238.300517][ T5396]  kobject_init_and_add+0x128/0x190
[  238.305740][ T5396]  ? lockdep_softirqs_off+0x430/0x430
[  238.311141][ T5396]  ? kobject_add+0x230/0x230
[  238.315769][ T5396]  ? __init_swait_queue_head+0xa5/0x150
[  238.321344][ T5396]  gfs2_sys_fs_add+0x24f/0x4b0
[  238.326251][ T5396]  ? gfs2_recover_set+0x240/0x240
[  238.331288][ T5396]  ? snprintf+0xe5/0x140
[  238.335518][ T5396]  ? __free_pages+0x95/0x1a0
[  238.340098][ T5396]  ? vscnprintf+0x80/0x80
[  238.344441][ T5396]  gfs2_fill_super+0x120f/0x1f00
[  238.349463][ T5396]  ? gfs2_reconfigure+0xd30/0xd30
[  238.354578][ T5396]  ? sb_set_blocksize+0xa5/0xe0
[  238.359439][ T5396]  get_tree_bdev+0x3f1/0x610
[  238.364023][ T5396]  ? gfs2_reconfigure+0xd30/0xd30
[  238.369047][ T5396]  gfs2_get_tree+0x4d/0x1e0
[  238.373543][ T5396]  vfs_get_tree+0x88/0x270
[  238.377959][ T5396]  do_new_mount+0x24a/0xa40
[  238.382463][ T5396]  __se_sys_mount+0x2e3/0x3d0
[  238.387135][ T5396]  ? __x64_sys_mount+0xc0/0xc0
[  238.391904][ T5396]  ? lockdep_hardirqs_on+0x94/0x140
[  238.397091][ T5396]  ? __x64_sys_mount+0x1c/0xc0
[  238.401958][ T5396]  do_syscall_64+0x4c/0xa0
[  238.406463][ T5396]  ? clear_bhb_loop+0x30/0x80
[  238.411127][ T5396]  ? clear_bhb_loop+0x30/0x80
[  238.415795][ T5396]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  238.421781][ T5396] RIP: 0033:0x7f46c8d0660a
[  238.426196][ T5396] 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
[  238.445883][ T5396] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.454457][ T5396] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  238.462563][ T5396] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  238.470621][ T5396] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  238.478595][ T5396] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  238.486563][ T5396] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  238.494547][ T5396]  </TASK>
[  238.498415][ T5396] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  238.511746][ T5396] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  238.872694][ T5398] loop1: detected capacity change from 0 to 32768
[  238.942704][ T5398] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  238.950335][ T5398] CPU: 0 PID: 5398 Comm: syz.1.182 Not tainted syzkaller #0
[  238.957654][ T5398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  238.967740][ T5398] Call Trace:
[  238.971045][ T5398]  <TASK>
[  238.973996][ T5398]  dump_stack_lvl+0x188/0x250
[  238.978704][ T5398]  ? show_regs_print_info+0x20/0x20
[  238.983929][ T5398]  ? load_image+0x400/0x400
[  238.988477][ T5398]  sysfs_create_dir_ns+0x26a/0x290
[  238.993618][ T5398]  ? sysfs_warn_dup+0xa0/0xa0
[  238.998329][ T5398]  ? do_raw_spin_unlock+0x11d/0x230
[  239.003560][ T5398]  kobject_add_internal+0x6e0/0xd90
[  239.008976][ T5398]  kobject_init_and_add+0x128/0x190
[  239.014198][ T5398]  ? lockdep_softirqs_off+0x430/0x430
[  239.019619][ T5398]  ? kobject_add+0x230/0x230
[  239.024331][ T5398]  ? __init_swait_queue_head+0xa5/0x150
[  239.029926][ T5398]  gfs2_sys_fs_add+0x24f/0x4b0
[  239.034733][ T5398]  ? gfs2_recover_set+0x240/0x240
[  239.039776][ T5398]  ? snprintf+0xe5/0x140
[  239.044021][ T5398]  ? __free_pages+0x95/0x1a0
[  239.048615][ T5398]  ? vscnprintf+0x80/0x80
[  239.053041][ T5398]  gfs2_fill_super+0x120f/0x1f00
[  239.058001][ T5398]  ? gfs2_reconfigure+0xd30/0xd30
[  239.063035][ T5398]  ? sb_set_blocksize+0xa5/0xe0
[  239.067889][ T5398]  get_tree_bdev+0x3f1/0x610
[  239.072574][ T5398]  ? gfs2_reconfigure+0xd30/0xd30
[  239.077594][ T5398]  gfs2_get_tree+0x4d/0x1e0
[  239.082094][ T5398]  vfs_get_tree+0x88/0x270
[  239.086511][ T5398]  do_new_mount+0x24a/0xa40
[  239.091023][ T5398]  __se_sys_mount+0x2e3/0x3d0
[  239.095715][ T5398]  ? __x64_sys_mount+0xc0/0xc0
[  239.100470][ T5398]  ? lockdep_hardirqs_on+0x94/0x140
[  239.105749][ T5398]  ? __x64_sys_mount+0x1c/0xc0
[  239.110510][ T5398]  do_syscall_64+0x4c/0xa0
[  239.114937][ T5398]  ? clear_bhb_loop+0x30/0x80
[  239.119693][ T5398]  ? clear_bhb_loop+0x30/0x80
[  239.124373][ T5398]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  239.130256][ T5398] RIP: 0033:0x7f46c8d0660a
[  239.134678][ T5398] 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
[  239.154315][ T5398] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.162746][ T5398] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  239.170722][ T5398] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  239.178710][ T5398] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  239.186675][ T5398] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  239.194634][ T5398] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  239.202604][ T5398]  </TASK>
[  239.206624][ T5398] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  239.219975][ T5398] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  239.553639][ T5400] loop1: detected capacity change from 0 to 32768
[  239.597826][ T5400] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  239.608379][ T5400] CPU: 0 PID: 5400 Comm: syz.1.183 Not tainted syzkaller #0
[  239.615893][ T5400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  239.626184][ T5400] Call Trace:
[  239.629496][ T5400]  <TASK>
[  239.632445][ T5400]  dump_stack_lvl+0x188/0x250
[  239.637159][ T5400]  ? show_regs_print_info+0x20/0x20
[  239.642387][ T5400]  ? load_image+0x400/0x400
[  239.646925][ T5400]  sysfs_create_dir_ns+0x26a/0x290
[  239.652168][ T5400]  ? sysfs_warn_dup+0xa0/0xa0
[  239.656891][ T5400]  ? do_raw_spin_unlock+0x11d/0x230
[  239.662117][ T5400]  kobject_add_internal+0x6e0/0xd90
[  239.667348][ T5400]  kobject_init_and_add+0x128/0x190
[  239.672573][ T5400]  ? lockdep_softirqs_off+0x430/0x430
[  239.677970][ T5400]  ? kobject_add+0x230/0x230
[  239.682587][ T5400]  ? __init_swait_queue_head+0xa5/0x150
[  239.688162][ T5400]  gfs2_sys_fs_add+0x24f/0x4b0
[  239.692968][ T5400]  ? gfs2_recover_set+0x240/0x240
[  239.698039][ T5400]  ? snprintf+0xe5/0x140
[  239.702284][ T5400]  ? __free_pages+0x95/0x1a0
[  239.706892][ T5400]  ? vscnprintf+0x80/0x80
[  239.711230][ T5400]  gfs2_fill_super+0x120f/0x1f00
[  239.716280][ T5400]  ? gfs2_reconfigure+0xd30/0xd30
[  239.721347][ T5400]  ? sb_set_blocksize+0xa5/0xe0
[  239.726236][ T5400]  get_tree_bdev+0x3f1/0x610
[  239.730832][ T5400]  ? gfs2_reconfigure+0xd30/0xd30
[  239.735860][ T5400]  gfs2_get_tree+0x4d/0x1e0
[  239.740373][ T5400]  vfs_get_tree+0x88/0x270
[  239.744797][ T5400]  do_new_mount+0x24a/0xa40
[  239.749298][ T5400]  __se_sys_mount+0x2e3/0x3d0
[  239.753982][ T5400]  ? __x64_sys_mount+0xc0/0xc0
[  239.758738][ T5400]  ? lockdep_hardirqs_on+0x94/0x140
[  239.763933][ T5400]  ? __x64_sys_mount+0x1c/0xc0
[  239.768687][ T5400]  do_syscall_64+0x4c/0xa0
[  239.773106][ T5400]  ? clear_bhb_loop+0x30/0x80
[  239.777936][ T5400]  ? clear_bhb_loop+0x30/0x80
[  239.782660][ T5400]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  239.788607][ T5400] RIP: 0033:0x7f46c8d0660a
[  239.793021][ T5400] 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
[  239.812710][ T5400] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.821127][ T5400] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  239.829113][ T5400] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  239.837074][ T5400] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  239.845034][ T5400] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  239.852994][ T5400] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  239.860998][ T5400]  </TASK>
[  239.865252][ T5400] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  239.878450][ T5400] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  240.231096][ T5402] loop1: detected capacity change from 0 to 32768
[  240.275725][ T5402] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.288462][ T5402] CPU: 1 PID: 5402 Comm: syz.1.184 Not tainted syzkaller #0
[  240.295886][ T5402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  240.305967][ T5402] Call Trace:
[  240.309275][ T5402]  <TASK>
[  240.312231][ T5402]  dump_stack_lvl+0x188/0x250
[  240.316943][ T5402]  ? show_regs_print_info+0x20/0x20
[  240.322177][ T5402]  ? load_image+0x400/0x400
[  240.326718][ T5402]  sysfs_create_dir_ns+0x26a/0x290
[  240.331856][ T5402]  ? sysfs_warn_dup+0xa0/0xa0
[  240.336566][ T5402]  ? do_raw_spin_unlock+0x11d/0x230
[  240.341795][ T5402]  kobject_add_internal+0x6e0/0xd90
[  240.347028][ T5402]  kobject_init_and_add+0x128/0x190
[  240.352250][ T5402]  ? lockdep_softirqs_off+0x430/0x430
[  240.357659][ T5402]  ? kobject_add+0x230/0x230
[  240.362275][ T5402]  ? __init_swait_queue_head+0xa5/0x150
[  240.367863][ T5402]  gfs2_sys_fs_add+0x24f/0x4b0
[  240.372658][ T5402]  ? gfs2_recover_set+0x240/0x240
[  240.377709][ T5402]  ? snprintf+0xe5/0x140
[  240.382101][ T5402]  ? __free_pages+0x95/0x1a0
[  240.386701][ T5402]  ? vscnprintf+0x80/0x80
[  240.391047][ T5402]  gfs2_fill_super+0x120f/0x1f00
[  240.396009][ T5402]  ? gfs2_reconfigure+0xd30/0xd30
[  240.401035][ T5402]  ? sb_set_blocksize+0xa5/0xe0
[  240.405892][ T5402]  get_tree_bdev+0x3f1/0x610
[  240.410498][ T5402]  ? gfs2_reconfigure+0xd30/0xd30
[  240.415538][ T5402]  gfs2_get_tree+0x4d/0x1e0
[  240.420034][ T5402]  vfs_get_tree+0x88/0x270
[  240.424448][ T5402]  do_new_mount+0x24a/0xa40
[  240.428946][ T5402]  __se_sys_mount+0x2e3/0x3d0
[  240.433746][ T5402]  ? __x64_sys_mount+0xc0/0xc0
[  240.438550][ T5402]  ? lockdep_hardirqs_on+0x94/0x140
[  240.443745][ T5402]  ? __x64_sys_mount+0x1c/0xc0
[  240.448509][ T5402]  do_syscall_64+0x4c/0xa0
[  240.452950][ T5402]  ? clear_bhb_loop+0x30/0x80
[  240.457638][ T5402]  ? clear_bhb_loop+0x30/0x80
[  240.462321][ T5402]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  240.468212][ T5402] RIP: 0033:0x7f46c8d0660a
[  240.472718][ T5402] 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
[  240.492331][ T5402] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.500758][ T5402] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  240.508751][ T5402] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  240.516716][ T5402] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  240.524679][ T5402] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  240.532646][ T5402] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  240.540637][ T5402]  </TASK>
[  240.548285][ T5402] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  240.561727][ T5402] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/03/28 11:11:31 executed programs: 170
[  240.905508][ T5404] loop1: detected capacity change from 0 to 32768
[  240.957248][ T5404] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.964929][ T5404] CPU: 1 PID: 5404 Comm: syz.1.185 Not tainted syzkaller #0
[  240.972266][ T5404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  240.982435][ T5404] Call Trace:
[  240.985735][ T5404]  <TASK>
[  240.988692][ T5404]  dump_stack_lvl+0x188/0x250
[  240.993410][ T5404]  ? show_regs_print_info+0x20/0x20
[  240.998635][ T5404]  ? load_image+0x400/0x400
[  241.003262][ T5404]  sysfs_create_dir_ns+0x26a/0x290
[  241.008404][ T5404]  ? sysfs_warn_dup+0xa0/0xa0
[  241.013111][ T5404]  ? do_raw_spin_unlock+0x11d/0x230
[  241.018438][ T5404]  kobject_add_internal+0x6e0/0xd90
[  241.023976][ T5404]  kobject_init_and_add+0x128/0x190
[  241.029550][ T5404]  ? lockdep_softirqs_off+0x430/0x430
[  241.034953][ T5404]  ? kobject_add+0x230/0x230
[  241.039574][ T5404]  ? __init_swait_queue_head+0xa5/0x150
[  241.045242][ T5404]  gfs2_sys_fs_add+0x24f/0x4b0
[  241.050008][ T5404]  ? gfs2_recover_set+0x240/0x240
[  241.055026][ T5404]  ? snprintf+0xe5/0x140
[  241.059261][ T5404]  ? __free_pages+0x95/0x1a0
[  241.063850][ T5404]  ? vscnprintf+0x80/0x80
[  241.068180][ T5404]  gfs2_fill_super+0x120f/0x1f00
[  241.073139][ T5404]  ? gfs2_reconfigure+0xd30/0xd30
[  241.078193][ T5404]  ? sb_set_blocksize+0xa5/0xe0
[  241.083035][ T5404]  get_tree_bdev+0x3f1/0x610
[  241.087638][ T5404]  ? gfs2_reconfigure+0xd30/0xd30
[  241.092648][ T5404]  gfs2_get_tree+0x4d/0x1e0
[  241.097143][ T5404]  vfs_get_tree+0x88/0x270
[  241.101551][ T5404]  do_new_mount+0x24a/0xa40
[  241.106049][ T5404]  __se_sys_mount+0x2e3/0x3d0
[  241.110726][ T5404]  ? __x64_sys_mount+0xc0/0xc0
[  241.115498][ T5404]  ? lockdep_hardirqs_on+0x94/0x140
[  241.120691][ T5404]  ? __x64_sys_mount+0x1c/0xc0
[  241.125478][ T5404]  do_syscall_64+0x4c/0xa0
[  241.129906][ T5404]  ? clear_bhb_loop+0x30/0x80
[  241.134593][ T5404]  ? clear_bhb_loop+0x30/0x80
[  241.139264][ T5404]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  241.145150][ T5404] RIP: 0033:0x7f46c8d0660a
[  241.149585][ T5404] 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
[  241.169210][ T5404] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.177653][ T5404] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  241.185633][ T5404] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  241.193767][ T5404] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  241.201741][ T5404] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  241.209706][ T5404] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  241.217681][ T5404]  </TASK>
[  241.222805][ T5404] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  241.236515][ T5404] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  241.598408][ T5406] loop1: detected capacity change from 0 to 32768
[  241.650715][ T5406] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  241.658263][ T5406] CPU: 1 PID: 5406 Comm: syz.1.186 Not tainted syzkaller #0
[  241.665583][ T5406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  241.675665][ T5406] Call Trace:
[  241.678968][ T5406]  <TASK>
[  241.681919][ T5406]  dump_stack_lvl+0x188/0x250
[  241.686620][ T5406]  ? show_regs_print_info+0x20/0x20
[  241.691854][ T5406]  ? load_image+0x400/0x400
[  241.696413][ T5406]  sysfs_create_dir_ns+0x26a/0x290
[  241.701595][ T5406]  ? sysfs_warn_dup+0xa0/0xa0
[  241.706399][ T5406]  ? do_raw_spin_unlock+0x11d/0x230
[  241.711641][ T5406]  kobject_add_internal+0x6e0/0xd90
[  241.716885][ T5406]  kobject_init_and_add+0x128/0x190
[  241.722227][ T5406]  ? lockdep_softirqs_off+0x430/0x430
[  241.727630][ T5406]  ? kobject_add+0x230/0x230
[  241.732413][ T5406]  ? __init_swait_queue_head+0xa5/0x150
[  241.737957][ T5406]  gfs2_sys_fs_add+0x24f/0x4b0
[  241.742783][ T5406]  ? gfs2_recover_set+0x240/0x240
[  241.747884][ T5406]  ? snprintf+0xe5/0x140
[  241.752126][ T5406]  ? __free_pages+0x95/0x1a0
[  241.756794][ T5406]  ? vscnprintf+0x80/0x80
[  241.761142][ T5406]  gfs2_fill_super+0x120f/0x1f00
[  241.766100][ T5406]  ? gfs2_reconfigure+0xd30/0xd30
[  241.771246][ T5406]  ? sb_set_blocksize+0xa5/0xe0
[  241.776178][ T5406]  get_tree_bdev+0x3f1/0x610
[  241.780763][ T5406]  ? gfs2_reconfigure+0xd30/0xd30
[  241.785778][ T5406]  gfs2_get_tree+0x4d/0x1e0
[  241.790273][ T5406]  vfs_get_tree+0x88/0x270
[  241.794682][ T5406]  do_new_mount+0x24a/0xa40
[  241.799196][ T5406]  __se_sys_mount+0x2e3/0x3d0
[  241.803872][ T5406]  ? __x64_sys_mount+0xc0/0xc0
[  241.808630][ T5406]  ? lockdep_hardirqs_on+0x94/0x140
[  241.813816][ T5406]  ? __x64_sys_mount+0x1c/0xc0
[  241.818571][ T5406]  do_syscall_64+0x4c/0xa0
[  241.823168][ T5406]  ? clear_bhb_loop+0x30/0x80
[  241.828041][ T5406]  ? clear_bhb_loop+0x30/0x80
[  241.832793][ T5406]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  241.838676][ T5406] RIP: 0033:0x7f46c8d0660a
[  241.843115][ T5406] 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
[  241.862809][ T5406] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.871270][ T5406] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  241.879234][ T5406] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  241.887197][ T5406] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  241.895278][ T5406] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  241.903258][ T5406] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  241.911257][ T5406]  </TASK>
[  241.918664][ T5406] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  241.932914][ T5406] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  242.290619][ T5408] loop1: detected capacity change from 0 to 32768
[  242.345070][ T5408] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  242.360446][ T5408] CPU: 0 PID: 5408 Comm: syz.1.187 Not tainted syzkaller #0
[  242.367789][ T5408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  242.377970][ T5408] Call Trace:
[  242.381275][ T5408]  <TASK>
[  242.384232][ T5408]  dump_stack_lvl+0x188/0x250
[  242.389019][ T5408]  ? show_regs_print_info+0x20/0x20
[  242.394257][ T5408]  ? load_image+0x400/0x400
[  242.398806][ T5408]  sysfs_create_dir_ns+0x26a/0x290
[  242.403964][ T5408]  ? sysfs_warn_dup+0xa0/0xa0
[  242.408673][ T5408]  ? do_raw_spin_unlock+0x11d/0x230
[  242.413911][ T5408]  kobject_add_internal+0x6e0/0xd90
[  242.419153][ T5408]  kobject_init_and_add+0x128/0x190
[  242.424467][ T5408]  ? lockdep_softirqs_off+0x430/0x430
[  242.429872][ T5408]  ? kobject_add+0x230/0x230
[  242.434491][ T5408]  ? __init_swait_queue_head+0xa5/0x150
[  242.440061][ T5408]  gfs2_sys_fs_add+0x24f/0x4b0
[  242.444836][ T5408]  ? gfs2_recover_set+0x240/0x240
[  242.449852][ T5408]  ? snprintf+0xe5/0x140
[  242.454094][ T5408]  ? __free_pages+0x95/0x1a0
[  242.458677][ T5408]  ? vscnprintf+0x80/0x80
[  242.463003][ T5408]  gfs2_fill_super+0x120f/0x1f00
[  242.468117][ T5408]  ? gfs2_reconfigure+0xd30/0xd30
[  242.473244][ T5408]  ? sb_set_blocksize+0xa5/0xe0
[  242.478097][ T5408]  get_tree_bdev+0x3f1/0x610
[  242.482688][ T5408]  ? gfs2_reconfigure+0xd30/0xd30
[  242.487724][ T5408]  gfs2_get_tree+0x4d/0x1e0
[  242.492231][ T5408]  vfs_get_tree+0x88/0x270
[  242.496646][ T5408]  do_new_mount+0x24a/0xa40
[  242.501163][ T5408]  __se_sys_mount+0x2e3/0x3d0
[  242.505866][ T5408]  ? __x64_sys_mount+0xc0/0xc0
[  242.510671][ T5408]  ? lockdep_hardirqs_on+0x94/0x140
[  242.515883][ T5408]  ? __x64_sys_mount+0x1c/0xc0
[  242.520650][ T5408]  do_syscall_64+0x4c/0xa0
[  242.525162][ T5408]  ? clear_bhb_loop+0x30/0x80
[  242.529836][ T5408]  ? clear_bhb_loop+0x30/0x80
[  242.534502][ T5408]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  242.540388][ T5408] RIP: 0033:0x7f46c8d0660a
[  242.544992][ T5408] 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
[  242.564596][ T5408] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  242.573017][ T5408] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  242.580994][ T5408] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  242.588973][ T5408] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  242.596936][ T5408] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  242.604898][ T5408] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  242.612869][ T5408]  </TASK>
[  242.616413][ T5408] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  242.629766][ T5408] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  242.964430][ T5410] loop1: detected capacity change from 0 to 32768
[  243.024260][ T5410] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  243.040634][ T5410] CPU: 1 PID: 5410 Comm: syz.1.188 Not tainted syzkaller #0
[  243.040662][ T5410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  243.040674][ T5410] Call Trace:
[  243.040683][ T5410]  <TASK>
[  243.064564][ T5410]  dump_stack_lvl+0x188/0x250
[  243.069276][ T5410]  ? show_regs_print_info+0x20/0x20
[  243.074517][ T5410]  ? load_image+0x400/0x400
[  243.079150][ T5410]  sysfs_create_dir_ns+0x26a/0x290
[  243.084287][ T5410]  ? sysfs_warn_dup+0xa0/0xa0
[  243.088996][ T5410]  ? do_raw_spin_unlock+0x11d/0x230
[  243.094225][ T5410]  kobject_add_internal+0x6e0/0xd90
[  243.099464][ T5410]  kobject_init_and_add+0x128/0x190
[  243.104684][ T5410]  ? lockdep_softirqs_off+0x430/0x430
[  243.110228][ T5410]  ? kobject_add+0x230/0x230
[  243.114864][ T5410]  ? __init_swait_queue_head+0xa5/0x150
[  243.120452][ T5410]  gfs2_sys_fs_add+0x24f/0x4b0
[  243.125259][ T5410]  ? gfs2_recover_set+0x240/0x240
[  243.130311][ T5410]  ? snprintf+0xe5/0x140
[  243.134554][ T5410]  ? __free_pages+0x95/0x1a0
[  243.139159][ T5410]  ? vscnprintf+0x80/0x80
[  243.143495][ T5410]  gfs2_fill_super+0x120f/0x1f00
[  243.148439][ T5410]  ? gfs2_reconfigure+0xd30/0xd30
[  243.153467][ T5410]  ? sb_set_blocksize+0xa5/0xe0
[  243.158312][ T5410]  get_tree_bdev+0x3f1/0x610
[  243.162893][ T5410]  ? gfs2_reconfigure+0xd30/0xd30
[  243.167926][ T5410]  gfs2_get_tree+0x4d/0x1e0
[  243.172421][ T5410]  vfs_get_tree+0x88/0x270
[  243.176855][ T5410]  do_new_mount+0x24a/0xa40
[  243.181354][ T5410]  __se_sys_mount+0x2e3/0x3d0
[  243.186024][ T5410]  ? __x64_sys_mount+0xc0/0xc0
[  243.190778][ T5410]  ? lockdep_hardirqs_on+0x94/0x140
[  243.195995][ T5410]  ? __x64_sys_mount+0x1c/0xc0
[  243.200765][ T5410]  do_syscall_64+0x4c/0xa0
[  243.205196][ T5410]  ? clear_bhb_loop+0x30/0x80
[  243.210062][ T5410]  ? clear_bhb_loop+0x30/0x80
[  243.214734][ T5410]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  243.220632][ T5410] RIP: 0033:0x7f46c8d0660a
[  243.225055][ T5410] 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
[  243.244668][ T5410] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.253077][ T5410] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  243.261192][ T5410] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  243.269174][ T5410] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  243.277164][ T5410] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  243.285134][ T5410] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  243.293112][ T5410]  </TASK>
[  243.298523][ T5410] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.311703][ T5410] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  243.648646][ T5412] loop1: detected capacity change from 0 to 32768
[  243.696200][ T5412] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  243.703947][ T5412] CPU: 1 PID: 5412 Comm: syz.1.189 Not tainted syzkaller #0
[  243.711374][ T5412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  243.721542][ T5412] Call Trace:
[  243.724845][ T5412]  <TASK>
[  243.727807][ T5412]  dump_stack_lvl+0x188/0x250
[  243.732521][ T5412]  ? show_regs_print_info+0x20/0x20
[  243.737747][ T5412]  ? load_image+0x400/0x400
[  243.742294][ T5412]  sysfs_create_dir_ns+0x26a/0x290
[  243.747443][ T5412]  ? sysfs_warn_dup+0xa0/0xa0
[  243.752152][ T5412]  ? do_raw_spin_unlock+0x11d/0x230
[  243.757382][ T5412]  kobject_add_internal+0x6e0/0xd90
[  243.762615][ T5412]  kobject_init_and_add+0x128/0x190
[  243.767935][ T5412]  ? lockdep_softirqs_off+0x430/0x430
[  243.773347][ T5412]  ? kobject_add+0x230/0x230
[  243.777977][ T5412]  ? __init_swait_queue_head+0xa5/0x150
[  243.783552][ T5412]  gfs2_sys_fs_add+0x24f/0x4b0
[  243.788317][ T5412]  ? gfs2_recover_set+0x240/0x240
[  243.793360][ T5412]  ? snprintf+0xe5/0x140
[  243.797600][ T5412]  ? __free_pages+0x95/0x1a0
[  243.802182][ T5412]  ? vscnprintf+0x80/0x80
[  243.806617][ T5412]  gfs2_fill_super+0x120f/0x1f00
[  243.811666][ T5412]  ? gfs2_reconfigure+0xd30/0xd30
[  243.816792][ T5412]  ? sb_set_blocksize+0xa5/0xe0
[  243.821821][ T5412]  get_tree_bdev+0x3f1/0x610
[  243.826417][ T5412]  ? gfs2_reconfigure+0xd30/0xd30
[  243.831439][ T5412]  gfs2_get_tree+0x4d/0x1e0
[  243.835967][ T5412]  vfs_get_tree+0x88/0x270
[  243.840377][ T5412]  do_new_mount+0x24a/0xa40
[  243.844883][ T5412]  __se_sys_mount+0x2e3/0x3d0
[  243.849561][ T5412]  ? __x64_sys_mount+0xc0/0xc0
[  243.854316][ T5412]  ? lockdep_hardirqs_on+0x94/0x140
[  243.859586][ T5412]  ? __x64_sys_mount+0x1c/0xc0
[  243.864366][ T5412]  do_syscall_64+0x4c/0xa0
[  243.868789][ T5412]  ? clear_bhb_loop+0x30/0x80
[  243.873464][ T5412]  ? clear_bhb_loop+0x30/0x80
[  243.878142][ T5412]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  243.884259][ T5412] RIP: 0033:0x7f46c8d0660a
[  243.888676][ T5412] 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
[  243.908437][ T5412] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.916854][ T5412] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  243.925048][ T5412] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  243.933102][ T5412] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  243.941063][ T5412] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  243.949031][ T5412] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  243.957173][ T5412]  </TASK>
[  243.962369][ T5412] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.975831][ T5412] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  244.357819][ T5414] loop1: detected capacity change from 0 to 32768
[  244.413689][ T5414] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.421460][ T5414] CPU: 1 PID: 5414 Comm: syz.1.190 Not tainted syzkaller #0
[  244.428770][ T5414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  244.439161][ T5414] Call Trace:
[  244.442476][ T5414]  <TASK>
[  244.445430][ T5414]  dump_stack_lvl+0x188/0x250
[  244.450237][ T5414]  ? show_regs_print_info+0x20/0x20
[  244.455465][ T5414]  ? load_image+0x400/0x400
[  244.460012][ T5414]  sysfs_create_dir_ns+0x26a/0x290
[  244.465150][ T5414]  ? sysfs_warn_dup+0xa0/0xa0
[  244.469856][ T5414]  ? do_raw_spin_unlock+0x11d/0x230
[  244.475105][ T5414]  kobject_add_internal+0x6e0/0xd90
[  244.480337][ T5414]  kobject_init_and_add+0x128/0x190
[  244.485556][ T5414]  ? lockdep_softirqs_off+0x430/0x430
[  244.490960][ T5414]  ? kobject_add+0x230/0x230
[  244.495592][ T5414]  ? __init_swait_queue_head+0xa5/0x150
[  244.501172][ T5414]  gfs2_sys_fs_add+0x24f/0x4b0
[  244.505963][ T5414]  ? gfs2_recover_set+0x240/0x240
[  244.511014][ T5414]  ? snprintf+0xe5/0x140
[  244.515396][ T5414]  ? __free_pages+0x95/0x1a0
[  244.519986][ T5414]  ? vscnprintf+0x80/0x80
[  244.524315][ T5414]  gfs2_fill_super+0x120f/0x1f00
[  244.529264][ T5414]  ? gfs2_reconfigure+0xd30/0xd30
[  244.534309][ T5414]  ? sb_set_blocksize+0xa5/0xe0
[  244.539174][ T5414]  get_tree_bdev+0x3f1/0x610
[  244.543770][ T5414]  ? gfs2_reconfigure+0xd30/0xd30
[  244.548885][ T5414]  gfs2_get_tree+0x4d/0x1e0
[  244.553393][ T5414]  vfs_get_tree+0x88/0x270
[  244.557819][ T5414]  do_new_mount+0x24a/0xa40
[  244.562331][ T5414]  __se_sys_mount+0x2e3/0x3d0
[  244.567024][ T5414]  ? __x64_sys_mount+0xc0/0xc0
[  244.571784][ T5414]  ? lockdep_hardirqs_on+0x94/0x140
[  244.576973][ T5414]  ? __x64_sys_mount+0x1c/0xc0
[  244.581740][ T5414]  do_syscall_64+0x4c/0xa0
[  244.586175][ T5414]  ? clear_bhb_loop+0x30/0x80
[  244.590858][ T5414]  ? clear_bhb_loop+0x30/0x80
[  244.595534][ T5414]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  244.601440][ T5414] RIP: 0033:0x7f46c8d0660a
[  244.605881][ T5414] 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
[  244.625491][ T5414] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.633906][ T5414] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  244.641878][ T5414] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  244.649868][ T5414] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  244.657833][ T5414] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  244.665800][ T5414] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  244.673803][ T5414]  </TASK>
[  244.678812][ T5414] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.692228][ T5414] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  245.035337][ T5416] loop1: detected capacity change from 0 to 32768
[  245.085561][ T5416] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  245.098188][ T5416] CPU: 1 PID: 5416 Comm: syz.1.191 Not tainted syzkaller #0
[  245.105520][ T5416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  245.115693][ T5416] Call Trace:
[  245.119007][ T5416]  <TASK>
[  245.121967][ T5416]  dump_stack_lvl+0x188/0x250
[  245.126682][ T5416]  ? show_regs_print_info+0x20/0x20
[  245.131909][ T5416]  ? load_image+0x400/0x400
[  245.136459][ T5416]  sysfs_create_dir_ns+0x26a/0x290
[  245.141871][ T5416]  ? sysfs_warn_dup+0xa0/0xa0
[  245.146587][ T5416]  ? do_raw_spin_unlock+0x11d/0x230
[  245.151826][ T5416]  kobject_add_internal+0x6e0/0xd90
[  245.157073][ T5416]  kobject_init_and_add+0x128/0x190
[  245.162311][ T5416]  ? lockdep_softirqs_off+0x430/0x430
[  245.167713][ T5416]  ? kobject_add+0x230/0x230
[  245.172343][ T5416]  ? __init_swait_queue_head+0xa5/0x150
[  245.177917][ T5416]  gfs2_sys_fs_add+0x24f/0x4b0
[  245.182722][ T5416]  ? gfs2_recover_set+0x240/0x240
[  245.187779][ T5416]  ? snprintf+0xe5/0x140
[  245.192028][ T5416]  ? __free_pages+0x95/0x1a0
[  245.196639][ T5416]  ? vscnprintf+0x80/0x80
[  245.200976][ T5416]  gfs2_fill_super+0x120f/0x1f00
[  245.205914][ T5416]  ? gfs2_reconfigure+0xd30/0xd30
[  245.210984][ T5416]  ? sb_set_blocksize+0xa5/0xe0
[  245.215850][ T5416]  get_tree_bdev+0x3f1/0x610
[  245.220437][ T5416]  ? gfs2_reconfigure+0xd30/0xd30
[  245.225463][ T5416]  gfs2_get_tree+0x4d/0x1e0
[  245.229991][ T5416]  vfs_get_tree+0x88/0x270
[  245.234410][ T5416]  do_new_mount+0x24a/0xa40
[  245.238921][ T5416]  __se_sys_mount+0x2e3/0x3d0
[  245.243599][ T5416]  ? __x64_sys_mount+0xc0/0xc0
[  245.248365][ T5416]  ? lockdep_hardirqs_on+0x94/0x140
[  245.253557][ T5416]  ? __x64_sys_mount+0x1c/0xc0
[  245.258312][ T5416]  do_syscall_64+0x4c/0xa0
[  245.262715][ T5416]  ? clear_bhb_loop+0x30/0x80
[  245.267380][ T5416]  ? clear_bhb_loop+0x30/0x80
[  245.272049][ T5416]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  245.277955][ T5416] RIP: 0033:0x7f46c8d0660a
[  245.282374][ T5416] 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
[  245.301974][ T5416] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.310386][ T5416] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  245.318495][ T5416] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  245.326457][ T5416] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  245.334522][ T5416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  245.342592][ T5416] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  245.350599][ T5416]  </TASK>
[  245.355504][ T5416] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  245.368667][ T5416] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  245.694447][ T5418] loop1: detected capacity change from 0 to 32768
[  245.760164][ T5418] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  245.767724][ T5418] CPU: 1 PID: 5418 Comm: syz.1.192 Not tainted syzkaller #0
[  245.775042][ T5418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  245.785124][ T5418] Call Trace:
[  245.788422][ T5418]  <TASK>
[  245.791380][ T5418]  dump_stack_lvl+0x188/0x250
[  245.796195][ T5418]  ? show_regs_print_info+0x20/0x20
[  245.801423][ T5418]  ? load_image+0x400/0x400
[  245.805982][ T5418]  sysfs_create_dir_ns+0x26a/0x290
[  245.811212][ T5418]  ? sysfs_warn_dup+0xa0/0xa0
[  245.815915][ T5418]  ? do_raw_spin_unlock+0x11d/0x230
[  245.821154][ T5418]  kobject_add_internal+0x6e0/0xd90
[  245.826398][ T5418]  kobject_init_and_add+0x128/0x190
[  245.831631][ T5418]  ? lockdep_softirqs_off+0x430/0x430
[  245.837298][ T5418]  ? kobject_add+0x230/0x230
[  245.842017][ T5418]  ? __init_swait_queue_head+0xa5/0x150
[  245.847587][ T5418]  gfs2_sys_fs_add+0x24f/0x4b0
[  245.852525][ T5418]  ? gfs2_recover_set+0x240/0x240
[  245.857542][ T5418]  ? snprintf+0xe5/0x140
[  245.861777][ T5418]  ? __free_pages+0x95/0x1a0
[  245.866363][ T5418]  ? vscnprintf+0x80/0x80
[  245.870806][ T5418]  gfs2_fill_super+0x120f/0x1f00
[  245.875769][ T5418]  ? gfs2_reconfigure+0xd30/0xd30
[  245.880799][ T5418]  ? sb_set_blocksize+0xa5/0xe0
[  245.885641][ T5418]  get_tree_bdev+0x3f1/0x610
[  245.890222][ T5418]  ? gfs2_reconfigure+0xd30/0xd30
[  245.895240][ T5418]  gfs2_get_tree+0x4d/0x1e0
[  245.899751][ T5418]  vfs_get_tree+0x88/0x270
[  245.904158][ T5418]  do_new_mount+0x24a/0xa40
[  245.908659][ T5418]  __se_sys_mount+0x2e3/0x3d0
[  245.913359][ T5418]  ? __x64_sys_mount+0xc0/0xc0
[  245.918130][ T5418]  ? lockdep_hardirqs_on+0x94/0x140
[  245.923334][ T5418]  ? __x64_sys_mount+0x1c/0xc0
[  245.928207][ T5418]  do_syscall_64+0x4c/0xa0
[  245.932632][ T5418]  ? clear_bhb_loop+0x30/0x80
[  245.937304][ T5418]  ? clear_bhb_loop+0x30/0x80
[  245.941981][ T5418]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  245.947983][ T5418] RIP: 0033:0x7f46c8d0660a
[  245.952419][ T5418] 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
[  245.972025][ T5418] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.980455][ T5418] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  245.988419][ T5418] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  245.996461][ T5418] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  246.004529][ T5418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  246.012501][ T5418] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  246.020578][ T5418]  </TASK>
[  246.025473][ T5418] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.038865][ T5418] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/03/28 11:11:36 executed programs: 178
[  246.402281][ T5420] loop1: detected capacity change from 0 to 32768
[  246.450703][ T5420] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.458325][ T5420] CPU: 1 PID: 5420 Comm: syz.1.193 Not tainted syzkaller #0
[  246.465648][ T5420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  246.475726][ T5420] Call Trace:
[  246.479030][ T5420]  <TASK>
[  246.481989][ T5420]  dump_stack_lvl+0x188/0x250
[  246.486704][ T5420]  ? show_regs_print_info+0x20/0x20
[  246.491938][ T5420]  ? load_image+0x400/0x400
[  246.496477][ T5420]  sysfs_create_dir_ns+0x26a/0x290
[  246.501619][ T5420]  ? sysfs_warn_dup+0xa0/0xa0
[  246.506333][ T5420]  ? do_raw_spin_unlock+0x11d/0x230
[  246.511563][ T5420]  kobject_add_internal+0x6e0/0xd90
[  246.516798][ T5420]  kobject_init_and_add+0x128/0x190
[  246.522021][ T5420]  ? lockdep_softirqs_off+0x430/0x430
[  246.527509][ T5420]  ? kobject_add+0x230/0x230
[  246.532130][ T5420]  ? __init_swait_queue_head+0xa5/0x150
[  246.537704][ T5420]  gfs2_sys_fs_add+0x24f/0x4b0
[  246.542489][ T5420]  ? gfs2_recover_set+0x240/0x240
[  246.547507][ T5420]  ? snprintf+0xe5/0x140
[  246.551736][ T5420]  ? __free_pages+0x95/0x1a0
[  246.556330][ T5420]  ? vscnprintf+0x80/0x80
[  246.560761][ T5420]  gfs2_fill_super+0x120f/0x1f00
[  246.565741][ T5420]  ? gfs2_reconfigure+0xd30/0xd30
[  246.571135][ T5420]  ? sb_set_blocksize+0xa5/0xe0
[  246.575976][ T5420]  get_tree_bdev+0x3f1/0x610
[  246.580645][ T5420]  ? gfs2_reconfigure+0xd30/0xd30
[  246.585663][ T5420]  gfs2_get_tree+0x4d/0x1e0
[  246.590158][ T5420]  vfs_get_tree+0x88/0x270
[  246.594568][ T5420]  do_new_mount+0x24a/0xa40
[  246.599067][ T5420]  __se_sys_mount+0x2e3/0x3d0
[  246.603735][ T5420]  ? __x64_sys_mount+0xc0/0xc0
[  246.608489][ T5420]  ? lockdep_hardirqs_on+0x94/0x140
[  246.613677][ T5420]  ? __x64_sys_mount+0x1c/0xc0
[  246.618445][ T5420]  do_syscall_64+0x4c/0xa0
[  246.622847][ T5420]  ? clear_bhb_loop+0x30/0x80
[  246.627513][ T5420]  ? clear_bhb_loop+0x30/0x80
[  246.632180][ T5420]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  246.638063][ T5420] RIP: 0033:0x7f46c8d0660a
[  246.642473][ T5420] 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
[  246.662083][ T5420] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.670527][ T5420] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  246.678711][ T5420] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  246.686678][ T5420] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  246.694643][ T5420] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  246.702611][ T5420] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  246.711032][ T5420]  </TASK>
[  246.716104][ T5420] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.729382][ T5420] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  247.086893][ T5422] loop1: detected capacity change from 0 to 32768
[  247.149811][ T5422] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  247.157374][ T5422] CPU: 0 PID: 5422 Comm: syz.1.194 Not tainted syzkaller #0
[  247.164688][ T5422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  247.174768][ T5422] Call Trace:
[  247.178070][ T5422]  <TASK>
[  247.181021][ T5422]  dump_stack_lvl+0x188/0x250
[  247.185728][ T5422]  ? show_regs_print_info+0x20/0x20
[  247.190965][ T5422]  ? load_image+0x400/0x400
[  247.195505][ T5422]  sysfs_create_dir_ns+0x26a/0x290
[  247.200650][ T5422]  ? sysfs_warn_dup+0xa0/0xa0
[  247.205361][ T5422]  ? do_raw_spin_unlock+0x11d/0x230
[  247.210593][ T5422]  kobject_add_internal+0x6e0/0xd90
[  247.215856][ T5422]  kobject_init_and_add+0x128/0x190
[  247.221085][ T5422]  ? lockdep_softirqs_off+0x430/0x430
[  247.226493][ T5422]  ? kobject_add+0x230/0x230
[  247.231117][ T5422]  ? __init_swait_queue_head+0xa5/0x150
[  247.236693][ T5422]  gfs2_sys_fs_add+0x24f/0x4b0
[  247.241478][ T5422]  ? gfs2_recover_set+0x240/0x240
[  247.246500][ T5422]  ? snprintf+0xe5/0x140
[  247.250744][ T5422]  ? __free_pages+0x95/0x1a0
[  247.255362][ T5422]  ? vscnprintf+0x80/0x80
[  247.259711][ T5422]  gfs2_fill_super+0x120f/0x1f00
[  247.264770][ T5422]  ? gfs2_reconfigure+0xd30/0xd30
[  247.269849][ T5422]  ? sb_set_blocksize+0xa5/0xe0
[  247.274770][ T5422]  get_tree_bdev+0x3f1/0x610
[  247.279375][ T5422]  ? gfs2_reconfigure+0xd30/0xd30
[  247.284504][ T5422]  gfs2_get_tree+0x4d/0x1e0
[  247.289144][ T5422]  vfs_get_tree+0x88/0x270
[  247.293569][ T5422]  do_new_mount+0x24a/0xa40
[  247.298078][ T5422]  __se_sys_mount+0x2e3/0x3d0
[  247.302755][ T5422]  ? __x64_sys_mount+0xc0/0xc0
[  247.307517][ T5422]  ? lockdep_hardirqs_on+0x94/0x140
[  247.312712][ T5422]  ? __x64_sys_mount+0x1c/0xc0
[  247.317471][ T5422]  do_syscall_64+0x4c/0xa0
[  247.321905][ T5422]  ? clear_bhb_loop+0x30/0x80
[  247.326575][ T5422]  ? clear_bhb_loop+0x30/0x80
[  247.331341][ T5422]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  247.337247][ T5422] RIP: 0033:0x7f46c8d0660a
[  247.341653][ T5422] 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
[  247.361478][ T5422] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.369901][ T5422] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  247.377904][ T5422] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  247.386029][ T5422] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  247.393994][ T5422] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  247.401963][ T5422] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  247.409935][ T5422]  </TASK>
[  247.413719][ T5422] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.426862][ T5422] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  247.543230][ T4306] Bluetooth: hci1: command 0x0406 tx timeout
[  247.779791][ T5424] loop1: detected capacity change from 0 to 32768
[  247.822918][ T5424] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  247.840751][ T5424] CPU: 0 PID: 5424 Comm: syz.1.195 Not tainted syzkaller #0
[  247.848184][ T5424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  247.858266][ T5424] Call Trace:
[  247.861581][ T5424]  <TASK>
[  247.864538][ T5424]  dump_stack_lvl+0x188/0x250
[  247.869332][ T5424]  ? show_regs_print_info+0x20/0x20
[  247.874556][ T5424]  ? load_image+0x400/0x400
[  247.879094][ T5424]  sysfs_create_dir_ns+0x26a/0x290
[  247.884238][ T5424]  ? sysfs_warn_dup+0xa0/0xa0
[  247.888963][ T5424]  ? do_raw_spin_unlock+0x11d/0x230
[  247.894189][ T5424]  kobject_add_internal+0x6e0/0xd90
[  247.899416][ T5424]  kobject_init_and_add+0x128/0x190
[  247.904635][ T5424]  ? lockdep_softirqs_off+0x430/0x430
[  247.910039][ T5424]  ? kobject_add+0x230/0x230
[  247.914666][ T5424]  ? __init_swait_queue_head+0xa5/0x150
[  247.920235][ T5424]  gfs2_sys_fs_add+0x24f/0x4b0
[  247.924997][ T5424]  ? gfs2_recover_set+0x240/0x240
[  247.930013][ T5424]  ? snprintf+0xe5/0x140
[  247.934288][ T5424]  ? __free_pages+0x95/0x1a0
[  247.938963][ T5424]  ? vscnprintf+0x80/0x80
[  247.943290][ T5424]  gfs2_fill_super+0x120f/0x1f00
[  247.948239][ T5424]  ? gfs2_reconfigure+0xd30/0xd30
[  247.953288][ T5424]  ? sb_set_blocksize+0xa5/0xe0
[  247.958175][ T5424]  get_tree_bdev+0x3f1/0x610
[  247.962764][ T5424]  ? gfs2_reconfigure+0xd30/0xd30
[  247.967790][ T5424]  gfs2_get_tree+0x4d/0x1e0
[  247.972313][ T5424]  vfs_get_tree+0x88/0x270
[  247.976839][ T5424]  do_new_mount+0x24a/0xa40
[  247.981338][ T5424]  __se_sys_mount+0x2e3/0x3d0
[  247.986010][ T5424]  ? __x64_sys_mount+0xc0/0xc0
[  247.990776][ T5424]  ? lockdep_hardirqs_on+0x94/0x140
[  247.995968][ T5424]  ? __x64_sys_mount+0x1c/0xc0
[  248.000732][ T5424]  do_syscall_64+0x4c/0xa0
[  248.005162][ T5424]  ? clear_bhb_loop+0x30/0x80
[  248.009834][ T5424]  ? clear_bhb_loop+0x30/0x80
[  248.014503][ T5424]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  248.020385][ T5424] RIP: 0033:0x7f46c8d0660a
[  248.024819][ T5424] 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
[  248.044622][ T5424] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.053122][ T5424] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  248.061199][ T5424] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  248.069168][ T5424] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  248.077147][ T5424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  248.085109][ T5424] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  248.093084][ T5424]  </TASK>
[  248.096670][ T5424] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  248.110156][ T5424] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  248.467388][ T5426] loop1: detected capacity change from 0 to 32768
[  248.515593][ T5426] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.528416][ T5426] CPU: 1 PID: 5426 Comm: syz.1.196 Not tainted syzkaller #0
[  248.535831][ T5426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  248.545919][ T5426] Call Trace:
[  248.549228][ T5426]  <TASK>
[  248.552190][ T5426]  dump_stack_lvl+0x188/0x250
[  248.556904][ T5426]  ? show_regs_print_info+0x20/0x20
[  248.562133][ T5426]  ? load_image+0x400/0x400
[  248.566673][ T5426]  sysfs_create_dir_ns+0x26a/0x290
[  248.571821][ T5426]  ? sysfs_warn_dup+0xa0/0xa0
[  248.576525][ T5426]  ? do_raw_spin_unlock+0x11d/0x230
[  248.581812][ T5426]  kobject_add_internal+0x6e0/0xd90
[  248.587042][ T5426]  kobject_init_and_add+0x128/0x190
[  248.592368][ T5426]  ? lockdep_softirqs_off+0x430/0x430
[  248.597778][ T5426]  ? kobject_add+0x230/0x230
[  248.602408][ T5426]  ? __init_swait_queue_head+0xa5/0x150
[  248.607984][ T5426]  gfs2_sys_fs_add+0x24f/0x4b0
[  248.612763][ T5426]  ? gfs2_recover_set+0x240/0x240
[  248.617783][ T5426]  ? snprintf+0xe5/0x140
[  248.622027][ T5426]  ? __free_pages+0x95/0x1a0
[  248.626649][ T5426]  ? vscnprintf+0x80/0x80
[  248.631097][ T5426]  gfs2_fill_super+0x120f/0x1f00
[  248.636052][ T5426]  ? gfs2_reconfigure+0xd30/0xd30
[  248.641106][ T5426]  ? sb_set_blocksize+0xa5/0xe0
[  248.645974][ T5426]  get_tree_bdev+0x3f1/0x610
[  248.650573][ T5426]  ? gfs2_reconfigure+0xd30/0xd30
[  248.655618][ T5426]  gfs2_get_tree+0x4d/0x1e0
[  248.660197][ T5426]  vfs_get_tree+0x88/0x270
[  248.664619][ T5426]  do_new_mount+0x24a/0xa40
[  248.669138][ T5426]  __se_sys_mount+0x2e3/0x3d0
[  248.673811][ T5426]  ? __x64_sys_mount+0xc0/0xc0
[  248.678578][ T5426]  ? lockdep_hardirqs_on+0x94/0x140
[  248.683825][ T5426]  ? __x64_sys_mount+0x1c/0xc0
[  248.688605][ T5426]  do_syscall_64+0x4c/0xa0
[  248.693014][ T5426]  ? clear_bhb_loop+0x30/0x80
[  248.697682][ T5426]  ? clear_bhb_loop+0x30/0x80
[  248.702361][ T5426]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  248.708278][ T5426] RIP: 0033:0x7f46c8d0660a
[  248.712690][ T5426] 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
[  248.732389][ T5426] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.740808][ T5426] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  248.748803][ T5426] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  248.756766][ T5426] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  248.764742][ T5426] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  248.772711][ T5426] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  248.780712][ T5426]  </TASK>
[  248.784925][ T5426] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  248.798678][ T5426] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  249.143332][ T5428] loop1: detected capacity change from 0 to 32768
[  249.199973][ T5428] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  249.207452][ T5428] CPU: 1 PID: 5428 Comm: syz.1.197 Not tainted syzkaller #0
[  249.214839][ T5428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  249.224914][ T5428] Call Trace:
[  249.228217][ T5428]  <TASK>
[  249.231178][ T5428]  dump_stack_lvl+0x188/0x250
[  249.235893][ T5428]  ? show_regs_print_info+0x20/0x20
[  249.241122][ T5428]  ? load_image+0x400/0x400
[  249.245666][ T5428]  sysfs_create_dir_ns+0x26a/0x290
[  249.250803][ T5428]  ? sysfs_warn_dup+0xa0/0xa0
[  249.255503][ T5428]  ? do_raw_spin_unlock+0x11d/0x230
[  249.260734][ T5428]  kobject_add_internal+0x6e0/0xd90
[  249.266056][ T5428]  kobject_init_and_add+0x128/0x190
[  249.271278][ T5428]  ? lockdep_softirqs_off+0x430/0x430
[  249.276679][ T5428]  ? kobject_add+0x230/0x230
[  249.281309][ T5428]  ? __init_swait_queue_head+0xa5/0x150
[  249.286894][ T5428]  gfs2_sys_fs_add+0x24f/0x4b0
[  249.291687][ T5428]  ? gfs2_recover_set+0x240/0x240
[  249.296737][ T5428]  ? snprintf+0xe5/0x140
[  249.301004][ T5428]  ? __free_pages+0x95/0x1a0
[  249.305592][ T5428]  ? vscnprintf+0x80/0x80
[  249.309919][ T5428]  gfs2_fill_super+0x120f/0x1f00
[  249.314881][ T5428]  ? gfs2_reconfigure+0xd30/0xd30
[  249.319938][ T5428]  ? sb_set_blocksize+0xa5/0xe0
[  249.324791][ T5428]  get_tree_bdev+0x3f1/0x610
[  249.329379][ T5428]  ? gfs2_reconfigure+0xd30/0xd30
[  249.334393][ T5428]  gfs2_get_tree+0x4d/0x1e0
[  249.338958][ T5428]  vfs_get_tree+0x88/0x270
[  249.343369][ T5428]  do_new_mount+0x24a/0xa40
[  249.347871][ T5428]  __se_sys_mount+0x2e3/0x3d0
[  249.352542][ T5428]  ? acct_account_cputime+0x1a2/0x280
[  249.358100][ T5428]  ? __x64_sys_mount+0xc0/0xc0
[  249.362872][ T5428]  ? lockdep_hardirqs_on+0x94/0x140
[  249.368208][ T5428]  ? __x64_sys_mount+0x1c/0xc0
[  249.372983][ T5428]  do_syscall_64+0x4c/0xa0
[  249.377487][ T5428]  ? clear_bhb_loop+0x30/0x80
[  249.382163][ T5428]  ? clear_bhb_loop+0x30/0x80
[  249.387021][ T5428]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  249.392919][ T5428] RIP: 0033:0x7f46c8d0660a
[  249.397359][ T5428] 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
[  249.416977][ T5428] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  249.425423][ T5428] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  249.433388][ T5428] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  249.441372][ T5428] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  249.449354][ T5428] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  249.457495][ T5428] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  249.465485][ T5428]  </TASK>
[  249.475864][ T5428] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  249.489222][ T5428] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  249.824999][ T5430] loop1: detected capacity change from 0 to 32768
[  249.884187][ T5430] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  249.891778][ T5430] CPU: 0 PID: 5430 Comm: syz.1.198 Not tainted syzkaller #0
[  249.899092][ T5430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  249.909172][ T5430] Call Trace:
[  249.912473][ T5430]  <TASK>
[  249.915429][ T5430]  dump_stack_lvl+0x188/0x250
[  249.920135][ T5430]  ? show_regs_print_info+0x20/0x20
[  249.925380][ T5430]  ? load_image+0x400/0x400
[  249.929930][ T5430]  sysfs_create_dir_ns+0x26a/0x290
[  249.935075][ T5430]  ? sysfs_warn_dup+0xa0/0xa0
[  249.939947][ T5430]  ? do_raw_spin_unlock+0x11d/0x230
[  249.945171][ T5430]  kobject_add_internal+0x6e0/0xd90
[  249.950422][ T5430]  kobject_init_and_add+0x128/0x190
[  249.955729][ T5430]  ? lockdep_softirqs_off+0x430/0x430
[  249.961151][ T5430]  ? kobject_add+0x230/0x230
[  249.965763][ T5430]  ? __init_swait_queue_head+0xa5/0x150
[  249.971395][ T5430]  gfs2_sys_fs_add+0x24f/0x4b0
[  249.976152][ T5430]  ? gfs2_recover_set+0x240/0x240
[  249.981165][ T5430]  ? snprintf+0xe5/0x140
[  249.985407][ T5430]  ? __free_pages+0x95/0x1a0
[  249.989991][ T5430]  ? vscnprintf+0x80/0x80
[  249.994315][ T5430]  gfs2_fill_super+0x120f/0x1f00
[  249.999252][ T5430]  ? gfs2_reconfigure+0xd30/0xd30
[  250.004365][ T5430]  ? sb_set_blocksize+0xa5/0xe0
[  250.009226][ T5430]  get_tree_bdev+0x3f1/0x610
[  250.013828][ T5430]  ? gfs2_reconfigure+0xd30/0xd30
[  250.018848][ T5430]  gfs2_get_tree+0x4d/0x1e0
[  250.023366][ T5430]  vfs_get_tree+0x88/0x270
[  250.027788][ T5430]  do_new_mount+0x24a/0xa40
[  250.032301][ T5430]  __se_sys_mount+0x2e3/0x3d0
[  250.036980][ T5430]  ? __x64_sys_mount+0xc0/0xc0
[  250.041738][ T5430]  ? lockdep_hardirqs_on+0x94/0x140
[  250.046925][ T5430]  ? __x64_sys_mount+0x1c/0xc0
[  250.051878][ T5430]  do_syscall_64+0x4c/0xa0
[  250.056307][ T5430]  ? clear_bhb_loop+0x30/0x80
[  250.060978][ T5430]  ? clear_bhb_loop+0x30/0x80
[  250.065640][ T5430]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  250.071624][ T5430] RIP: 0033:0x7f46c8d0660a
[  250.076037][ T5430] 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
[  250.095837][ T5430] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.104242][ T5430] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  250.112292][ T5430] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  250.120259][ T5430] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  250.128219][ T5430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  250.136180][ T5430] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  250.144159][ T5430]  </TASK>
[  250.147946][ T5430] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  250.161578][ T5430] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  250.506754][ T5432] loop1: detected capacity change from 0 to 32768
[  250.563851][ T5432] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.572744][ T5432] CPU: 1 PID: 5432 Comm: syz.1.199 Not tainted syzkaller #0
[  250.580073][ T5432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  250.590242][ T5432] Call Trace:
[  250.593552][ T5432]  <TASK>
[  250.596505][ T5432]  dump_stack_lvl+0x188/0x250
[  250.601420][ T5432]  ? show_regs_print_info+0x20/0x20
[  250.606670][ T5432]  ? load_image+0x400/0x400
[  250.611230][ T5432]  sysfs_create_dir_ns+0x26a/0x290
[  250.616384][ T5432]  ? sysfs_warn_dup+0xa0/0xa0
[  250.621096][ T5432]  ? do_raw_spin_unlock+0x11d/0x230
[  250.626418][ T5432]  kobject_add_internal+0x6e0/0xd90
[  250.631870][ T5432]  kobject_init_and_add+0x128/0x190
[  250.637109][ T5432]  ? lockdep_softirqs_off+0x430/0x430
[  250.642513][ T5432]  ? kobject_add+0x230/0x230
[  250.647244][ T5432]  ? __init_swait_queue_head+0xa5/0x150
[  250.652828][ T5432]  gfs2_sys_fs_add+0x24f/0x4b0
[  250.657621][ T5432]  ? gfs2_recover_set+0x240/0x240
[  250.662668][ T5432]  ? snprintf+0xe5/0x140
[  250.666986][ T5432]  ? __free_pages+0x95/0x1a0
[  250.671664][ T5432]  ? vscnprintf+0x80/0x80
[  250.675991][ T5432]  gfs2_fill_super+0x120f/0x1f00
[  250.680982][ T5432]  ? gfs2_reconfigure+0xd30/0xd30
[  250.686032][ T5432]  ? sb_set_blocksize+0xa5/0xe0
[  250.691058][ T5432]  get_tree_bdev+0x3f1/0x610
[  250.695641][ T5432]  ? gfs2_reconfigure+0xd30/0xd30
[  250.700652][ T5432]  gfs2_get_tree+0x4d/0x1e0
[  250.705252][ T5432]  vfs_get_tree+0x88/0x270
[  250.709670][ T5432]  do_new_mount+0x24a/0xa40
[  250.714187][ T5432]  __se_sys_mount+0x2e3/0x3d0
[  250.718982][ T5432]  ? __x64_sys_mount+0xc0/0xc0
[  250.723756][ T5432]  ? lockdep_hardirqs_on+0x94/0x140
[  250.729046][ T5432]  ? __x64_sys_mount+0x1c/0xc0
[  250.733823][ T5432]  do_syscall_64+0x4c/0xa0
[  250.738238][ T5432]  ? clear_bhb_loop+0x30/0x80
[  250.742966][ T5432]  ? clear_bhb_loop+0x30/0x80
[  250.747634][ T5432]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  250.753521][ T5432] RIP: 0033:0x7f46c8d0660a
[  250.757934][ T5432] 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
[  250.777623][ T5432] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.786158][ T5432] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  250.794176][ T5432] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  250.802150][ T5432] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  250.810120][ T5432] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  250.818094][ T5432] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  250.826082][ T5432]  </TASK>
[  250.831099][ T5432] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  250.844407][ T5432] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  251.199371][ T5434] loop1: detected capacity change from 0 to 32768
[  251.273029][ T5434] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  251.280792][ T5434] CPU: 0 PID: 5434 Comm: syz.1.200 Not tainted syzkaller #0
[  251.288120][ T5434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  251.298223][ T5434] Call Trace:
[  251.301527][ T5434]  <TASK>
[  251.304487][ T5434]  dump_stack_lvl+0x188/0x250
[  251.309372][ T5434]  ? show_regs_print_info+0x20/0x20
[  251.314683][ T5434]  ? load_image+0x400/0x400
[  251.319231][ T5434]  sysfs_create_dir_ns+0x26a/0x290
[  251.324373][ T5434]  ? sysfs_warn_dup+0xa0/0xa0
[  251.329086][ T5434]  ? do_raw_spin_unlock+0x11d/0x230
[  251.334316][ T5434]  kobject_add_internal+0x6e0/0xd90
[  251.339546][ T5434]  kobject_init_and_add+0x128/0x190
[  251.344768][ T5434]  ? lockdep_softirqs_off+0x430/0x430
[  251.350164][ T5434]  ? kobject_add+0x230/0x230
[  251.354783][ T5434]  ? __init_swait_queue_head+0xa5/0x150
[  251.360362][ T5434]  gfs2_sys_fs_add+0x24f/0x4b0
[  251.365155][ T5434]  ? gfs2_recover_set+0x240/0x240
[  251.370209][ T5434]  ? snprintf+0xe5/0x140
[  251.374447][ T5434]  ? __free_pages+0x95/0x1a0
[  251.379032][ T5434]  ? vscnprintf+0x80/0x80
[  251.383354][ T5434]  gfs2_fill_super+0x120f/0x1f00
[  251.388377][ T5434]  ? gfs2_reconfigure+0xd30/0xd30
[  251.393399][ T5434]  ? sb_set_blocksize+0xa5/0xe0
[  251.398253][ T5434]  get_tree_bdev+0x3f1/0x610
[  251.402832][ T5434]  ? gfs2_reconfigure+0xd30/0xd30
[  251.407845][ T5434]  gfs2_get_tree+0x4d/0x1e0
[  251.412337][ T5434]  vfs_get_tree+0x88/0x270
[  251.416759][ T5434]  do_new_mount+0x24a/0xa40
[  251.421305][ T5434]  __se_sys_mount+0x2e3/0x3d0
[  251.426006][ T5434]  ? __x64_sys_mount+0xc0/0xc0
[  251.430779][ T5434]  ? lockdep_hardirqs_on+0x94/0x140
[  251.435972][ T5434]  ? __x64_sys_mount+0x1c/0xc0
[  251.440742][ T5434]  do_syscall_64+0x4c/0xa0
[  251.445167][ T5434]  ? clear_bhb_loop+0x30/0x80
[  251.449846][ T5434]  ? clear_bhb_loop+0x30/0x80
[  251.454530][ T5434]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  251.460538][ T5434] RIP: 0033:0x7f46c8d0660a
[  251.464960][ T5434] 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
[  251.484579][ T5434] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.492991][ T5434] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  251.500968][ T5434] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  251.508930][ T5434] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  251.516893][ T5434] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  251.524866][ T5434] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  251.532866][ T5434]  </TASK>
[  251.537220][ T5434] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.550476][ T5434] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/03/28 11:11:42 executed programs: 186
[  251.915616][ T5436] loop1: detected capacity change from 0 to 32768
[  252.004744][ T5436] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.012441][ T5436] CPU: 0 PID: 5436 Comm: syz.1.201 Not tainted syzkaller #0
[  252.019771][ T5436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  252.029857][ T5436] Call Trace:
[  252.033163][ T5436]  <TASK>
[  252.036121][ T5436]  dump_stack_lvl+0x188/0x250
[  252.040920][ T5436]  ? show_regs_print_info+0x20/0x20
[  252.046161][ T5436]  ? load_image+0x400/0x400
[  252.050699][ T5436]  sysfs_create_dir_ns+0x26a/0x290
[  252.055961][ T5436]  ? sysfs_warn_dup+0xa0/0xa0
[  252.060667][ T5436]  ? do_raw_spin_unlock+0x11d/0x230
[  252.065889][ T5436]  kobject_add_internal+0x6e0/0xd90
[  252.071085][ T5436]  kobject_init_and_add+0x128/0x190
[  252.076294][ T5436]  ? lockdep_softirqs_off+0x430/0x430
[  252.081675][ T5436]  ? kobject_add+0x230/0x230
[  252.086284][ T5436]  ? __init_swait_queue_head+0xa5/0x150
[  252.091848][ T5436]  gfs2_sys_fs_add+0x24f/0x4b0
[  252.096609][ T5436]  ? gfs2_recover_set+0x240/0x240
[  252.101631][ T5436]  ? snprintf+0xe5/0x140
[  252.105883][ T5436]  ? __free_pages+0x95/0x1a0
[  252.110468][ T5436]  ? vscnprintf+0x80/0x80
[  252.114804][ T5436]  gfs2_fill_super+0x120f/0x1f00
[  252.119741][ T5436]  ? gfs2_reconfigure+0xd30/0xd30
[  252.124775][ T5436]  ? sb_set_blocksize+0xa5/0xe0
[  252.129626][ T5436]  get_tree_bdev+0x3f1/0x610
[  252.134206][ T5436]  ? gfs2_reconfigure+0xd30/0xd30
[  252.139226][ T5436]  gfs2_get_tree+0x4d/0x1e0
[  252.143899][ T5436]  vfs_get_tree+0x88/0x270
[  252.148308][ T5436]  do_new_mount+0x24a/0xa40
[  252.152851][ T5436]  __se_sys_mount+0x2e3/0x3d0
[  252.157520][ T5436]  ? __x64_sys_mount+0xc0/0xc0
[  252.162284][ T5436]  ? lockdep_hardirqs_on+0x94/0x140
[  252.167515][ T5436]  ? __x64_sys_mount+0x1c/0xc0
[  252.172272][ T5436]  do_syscall_64+0x4c/0xa0
[  252.176682][ T5436]  ? clear_bhb_loop+0x30/0x80
[  252.181358][ T5436]  ? clear_bhb_loop+0x30/0x80
[  252.186155][ T5436]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  252.192043][ T5436] RIP: 0033:0x7f46c8d0660a
[  252.196452][ T5436] 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
[  252.216050][ T5436] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.224457][ T5436] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  252.232510][ T5436] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  252.240486][ T5436] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  252.248567][ T5436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  252.256533][ T5436] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  252.264523][ T5436]  </TASK>
[  252.268231][ T5436] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.281906][ T5436] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.629217][ T5438] loop1: detected capacity change from 0 to 32768
[  252.695904][ T5438] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.709638][ T5438] CPU: 0 PID: 5438 Comm: syz.1.202 Not tainted syzkaller #0
[  252.716990][ T5438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  252.727075][ T5438] Call Trace:
[  252.730373][ T5438]  <TASK>
[  252.733320][ T5438]  dump_stack_lvl+0x188/0x250
[  252.738027][ T5438]  ? show_regs_print_info+0x20/0x20
[  252.743253][ T5438]  ? load_image+0x400/0x400
[  252.747848][ T5438]  sysfs_create_dir_ns+0x26a/0x290
[  252.752995][ T5438]  ? sysfs_warn_dup+0xa0/0xa0
[  252.757700][ T5438]  ? do_raw_spin_unlock+0x11d/0x230
[  252.763018][ T5438]  kobject_add_internal+0x6e0/0xd90
[  252.768247][ T5438]  kobject_init_and_add+0x128/0x190
[  252.773555][ T5438]  ? lockdep_softirqs_off+0x430/0x430
[  252.779061][ T5438]  ? kobject_add+0x230/0x230
[  252.783701][ T5438]  ? __init_swait_queue_head+0xa5/0x150
[  252.789277][ T5438]  gfs2_sys_fs_add+0x24f/0x4b0
[  252.794063][ T5438]  ? gfs2_recover_set+0x240/0x240
[  252.799092][ T5438]  ? snprintf+0xe5/0x140
[  252.803505][ T5438]  ? __free_pages+0x95/0x1a0
[  252.808173][ T5438]  ? vscnprintf+0x80/0x80
[  252.812497][ T5438]  gfs2_fill_super+0x120f/0x1f00
[  252.817537][ T5438]  ? gfs2_reconfigure+0xd30/0xd30
[  252.822563][ T5438]  ? sb_set_blocksize+0xa5/0xe0
[  252.827404][ T5438]  get_tree_bdev+0x3f1/0x610
[  252.831984][ T5438]  ? gfs2_reconfigure+0xd30/0xd30
[  252.837115][ T5438]  gfs2_get_tree+0x4d/0x1e0
[  252.841644][ T5438]  vfs_get_tree+0x88/0x270
[  252.846090][ T5438]  do_new_mount+0x24a/0xa40
[  252.850631][ T5438]  __se_sys_mount+0x2e3/0x3d0
[  252.855433][ T5438]  ? __x64_sys_mount+0xc0/0xc0
[  252.860281][ T5438]  ? lockdep_hardirqs_on+0x94/0x140
[  252.865670][ T5438]  ? __x64_sys_mount+0x1c/0xc0
[  252.870451][ T5438]  do_syscall_64+0x4c/0xa0
[  252.874885][ T5438]  ? clear_bhb_loop+0x30/0x80
[  252.879567][ T5438]  ? clear_bhb_loop+0x30/0x80
[  252.884238][ T5438]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  252.890132][ T5438] RIP: 0033:0x7f46c8d0660a
[  252.894557][ T5438] 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
[  252.914245][ T5438] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.922668][ T5438] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  252.930730][ T5438] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  252.938727][ T5438] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  252.946720][ T5438] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  252.954773][ T5438] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  252.962759][ T5438]  </TASK>
[  252.966616][ T5438] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.979980][ T5438] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  253.306348][ T5440] loop1: detected capacity change from 0 to 32768
[  253.362458][ T5440] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.370069][ T5440] CPU: 1 PID: 5440 Comm: syz.1.203 Not tainted syzkaller #0
[  253.377388][ T5440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  253.387462][ T5440] Call Trace:
[  253.390782][ T5440]  <TASK>
[  253.393731][ T5440]  dump_stack_lvl+0x188/0x250
[  253.398437][ T5440]  ? show_regs_print_info+0x20/0x20
[  253.403670][ T5440]  ? load_image+0x400/0x400
[  253.408212][ T5440]  sysfs_create_dir_ns+0x26a/0x290
[  253.413357][ T5440]  ? sysfs_warn_dup+0xa0/0xa0
[  253.418060][ T5440]  ? do_raw_spin_unlock+0x11d/0x230
[  253.423291][ T5440]  kobject_add_internal+0x6e0/0xd90
[  253.428534][ T5440]  kobject_init_and_add+0x128/0x190
[  253.433760][ T5440]  ? lockdep_softirqs_off+0x430/0x430
[  253.439166][ T5440]  ? kobject_add+0x230/0x230
[  253.443805][ T5440]  ? __init_swait_queue_head+0xa5/0x150
[  253.449439][ T5440]  gfs2_sys_fs_add+0x24f/0x4b0
[  253.454206][ T5440]  ? gfs2_recover_set+0x240/0x240
[  253.459237][ T5440]  ? snprintf+0xe5/0x140
[  253.463471][ T5440]  ? __free_pages+0x95/0x1a0
[  253.468057][ T5440]  ? vscnprintf+0x80/0x80
[  253.472392][ T5440]  gfs2_fill_super+0x120f/0x1f00
[  253.477330][ T5440]  ? gfs2_reconfigure+0xd30/0xd30
[  253.482356][ T5440]  ? sb_set_blocksize+0xa5/0xe0
[  253.487200][ T5440]  get_tree_bdev+0x3f1/0x610
[  253.491788][ T5440]  ? gfs2_reconfigure+0xd30/0xd30
[  253.496890][ T5440]  gfs2_get_tree+0x4d/0x1e0
[  253.501383][ T5440]  vfs_get_tree+0x88/0x270
[  253.505791][ T5440]  do_new_mount+0x24a/0xa40
[  253.510289][ T5440]  __se_sys_mount+0x2e3/0x3d0
[  253.514958][ T5440]  ? __x64_sys_mount+0xc0/0xc0
[  253.519716][ T5440]  ? lockdep_hardirqs_on+0x94/0x140
[  253.525021][ T5440]  ? __x64_sys_mount+0x1c/0xc0
[  253.529834][ T5440]  do_syscall_64+0x4c/0xa0
[  253.534245][ T5440]  ? clear_bhb_loop+0x30/0x80
[  253.538920][ T5440]  ? clear_bhb_loop+0x30/0x80
[  253.543605][ T5440]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  253.549585][ T5440] RIP: 0033:0x7f46c8d0660a
[  253.553994][ T5440] 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
[  253.573738][ T5440] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.582217][ T5440] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  253.590181][ T5440] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  253.598168][ T5440] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  253.606135][ T5440] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  253.614215][ T5440] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  253.622193][ T5440]  </TASK>
[  253.635999][ T5440] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.649365][ T5440] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  254.030185][ T5442] loop1: detected capacity change from 0 to 32768
[  254.104593][ T5442] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.112075][ T5442] CPU: 0 PID: 5442 Comm: syz.1.204 Not tainted syzkaller #0
[  254.119487][ T5442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  254.129577][ T5442] Call Trace:
[  254.132991][ T5442]  <TASK>
[  254.135946][ T5442]  dump_stack_lvl+0x188/0x250
[  254.140668][ T5442]  ? show_regs_print_info+0x20/0x20
[  254.145910][ T5442]  ? load_image+0x400/0x400
[  254.150457][ T5442]  sysfs_create_dir_ns+0x26a/0x290
[  254.155596][ T5442]  ? sysfs_warn_dup+0xa0/0xa0
[  254.160294][ T5442]  ? do_raw_spin_unlock+0x11d/0x230
[  254.165523][ T5442]  kobject_add_internal+0x6e0/0xd90
[  254.170775][ T5442]  kobject_init_and_add+0x128/0x190
[  254.175990][ T5442]  ? lockdep_softirqs_off+0x430/0x430
[  254.181357][ T5442]  ? kobject_add+0x230/0x230
[  254.185947][ T5442]  ? __init_swait_queue_head+0xa5/0x150
[  254.191503][ T5442]  gfs2_sys_fs_add+0x24f/0x4b0
[  254.196275][ T5442]  ? gfs2_recover_set+0x240/0x240
[  254.201301][ T5442]  ? snprintf+0xe5/0x140
[  254.205534][ T5442]  ? __free_pages+0x95/0x1a0
[  254.210119][ T5442]  ? vscnprintf+0x80/0x80
[  254.214461][ T5442]  gfs2_fill_super+0x120f/0x1f00
[  254.219484][ T5442]  ? gfs2_reconfigure+0xd30/0xd30
[  254.224704][ T5442]  ? sb_set_blocksize+0xa5/0xe0
[  254.229560][ T5442]  get_tree_bdev+0x3f1/0x610
[  254.234164][ T5442]  ? gfs2_reconfigure+0xd30/0xd30
[  254.239182][ T5442]  gfs2_get_tree+0x4d/0x1e0
[  254.243683][ T5442]  vfs_get_tree+0x88/0x270
[  254.248090][ T5442]  do_new_mount+0x24a/0xa40
[  254.252585][ T5442]  __se_sys_mount+0x2e3/0x3d0
[  254.257253][ T5442]  ? __x64_sys_mount+0xc0/0xc0
[  254.262094][ T5442]  ? lockdep_hardirqs_on+0x94/0x140
[  254.267294][ T5442]  ? __x64_sys_mount+0x1c/0xc0
[  254.272049][ T5442]  do_syscall_64+0x4c/0xa0
[  254.276451][ T5442]  ? clear_bhb_loop+0x30/0x80
[  254.281119][ T5442]  ? clear_bhb_loop+0x30/0x80
[  254.285814][ T5442]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  254.291712][ T5442] RIP: 0033:0x7f46c8d0660a
[  254.296129][ T5442] 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
[  254.315725][ T5442] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.324134][ T5442] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  254.332101][ T5442] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  254.340090][ T5442] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  254.348235][ T5442] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  254.356210][ T5442] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  254.364208][ T5442]  </TASK>
[  254.367877][ T5442] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.381068][ T5442] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  254.727922][ T5444] loop1: detected capacity change from 0 to 32768
[  254.751229][ T5444] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.758834][ T5444] CPU: 0 PID: 5444 Comm: syz.1.205 Not tainted syzkaller #0
[  254.766146][ T5444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  254.776224][ T5444] Call Trace:
[  254.779530][ T5444]  <TASK>
[  254.782488][ T5444]  dump_stack_lvl+0x188/0x250
[  254.787202][ T5444]  ? show_regs_print_info+0x20/0x20
[  254.792524][ T5444]  ? load_image+0x400/0x400
[  254.797074][ T5444]  sysfs_create_dir_ns+0x26a/0x290
[  254.802220][ T5444]  ? sysfs_warn_dup+0xa0/0xa0
[  254.806995][ T5444]  ? do_raw_spin_unlock+0x11d/0x230
[  254.812225][ T5444]  kobject_add_internal+0x6e0/0xd90
[  254.817461][ T5444]  kobject_init_and_add+0x128/0x190
[  254.822686][ T5444]  ? lockdep_softirqs_off+0x430/0x430
[  254.828084][ T5444]  ? kobject_add+0x230/0x230
[  254.832714][ T5444]  ? __init_swait_queue_head+0xa5/0x150
[  254.838299][ T5444]  gfs2_sys_fs_add+0x24f/0x4b0
[  254.843068][ T5444]  ? gfs2_recover_set+0x240/0x240
[  254.848095][ T5444]  ? snprintf+0xe5/0x140
[  254.852334][ T5444]  ? __free_pages+0x95/0x1a0
[  254.857030][ T5444]  ? vscnprintf+0x80/0x80
[  254.861476][ T5444]  gfs2_fill_super+0x120f/0x1f00
[  254.866449][ T5444]  ? gfs2_reconfigure+0xd30/0xd30
[  254.871483][ T5444]  ? sb_set_blocksize+0xa5/0xe0
[  254.876427][ T5444]  get_tree_bdev+0x3f1/0x610
[  254.881013][ T5444]  ? gfs2_reconfigure+0xd30/0xd30
[  254.886032][ T5444]  gfs2_get_tree+0x4d/0x1e0
[  254.890537][ T5444]  vfs_get_tree+0x88/0x270
[  254.894949][ T5444]  do_new_mount+0x24a/0xa40
[  254.899466][ T5444]  __se_sys_mount+0x2e3/0x3d0
[  254.904135][ T5444]  ? __x64_sys_mount+0xc0/0xc0
[  254.908889][ T5444]  ? lockdep_hardirqs_on+0x94/0x140
[  254.914077][ T5444]  ? __x64_sys_mount+0x1c/0xc0
[  254.918834][ T5444]  do_syscall_64+0x4c/0xa0
[  254.923237][ T5444]  ? clear_bhb_loop+0x30/0x80
[  254.927902][ T5444]  ? clear_bhb_loop+0x30/0x80
[  254.932566][ T5444]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  254.938451][ T5444] RIP: 0033:0x7f46c8d0660a
[  254.942858][ T5444] 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
[  254.962620][ T5444] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.971125][ T5444] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  254.979113][ T5444] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  254.987104][ T5444] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  254.995078][ T5444] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  255.003050][ T5444] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  255.011033][ T5444]  </TASK>
[  255.014644][ T5444] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.027950][ T5444] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.385841][ T5446] loop1: detected capacity change from 0 to 32768
[  255.441369][ T5446] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.448901][ T5446] CPU: 0 PID: 5446 Comm: syz.1.206 Not tainted syzkaller #0
[  255.456228][ T5446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  255.466305][ T5446] Call Trace:
[  255.469606][ T5446]  <TASK>
[  255.472559][ T5446]  dump_stack_lvl+0x188/0x250
[  255.477274][ T5446]  ? show_regs_print_info+0x20/0x20
[  255.482512][ T5446]  ? load_image+0x400/0x400
[  255.487058][ T5446]  sysfs_create_dir_ns+0x26a/0x290
[  255.492210][ T5446]  ? sysfs_warn_dup+0xa0/0xa0
[  255.497021][ T5446]  ? do_raw_spin_unlock+0x11d/0x230
[  255.502507][ T5446]  kobject_add_internal+0x6e0/0xd90
[  255.507750][ T5446]  kobject_init_and_add+0x128/0x190
[  255.513155][ T5446]  ? lockdep_softirqs_off+0x430/0x430
[  255.518562][ T5446]  ? kobject_add+0x230/0x230
[  255.523264][ T5446]  ? __init_swait_queue_head+0xa5/0x150
[  255.528894][ T5446]  gfs2_sys_fs_add+0x24f/0x4b0
[  255.533650][ T5446]  ? gfs2_recover_set+0x240/0x240
[  255.538680][ T5446]  ? snprintf+0xe5/0x140
[  255.542908][ T5446]  ? __free_pages+0x95/0x1a0
[  255.547490][ T5446]  ? vscnprintf+0x80/0x80
[  255.551838][ T5446]  gfs2_fill_super+0x120f/0x1f00
[  255.556840][ T5446]  ? gfs2_reconfigure+0xd30/0xd30
[  255.561867][ T5446]  ? sb_set_blocksize+0xa5/0xe0
[  255.566728][ T5446]  get_tree_bdev+0x3f1/0x610
[  255.571317][ T5446]  ? gfs2_reconfigure+0xd30/0xd30
[  255.576331][ T5446]  gfs2_get_tree+0x4d/0x1e0
[  255.580823][ T5446]  vfs_get_tree+0x88/0x270
[  255.585229][ T5446]  do_new_mount+0x24a/0xa40
[  255.589738][ T5446]  __se_sys_mount+0x2e3/0x3d0
[  255.594405][ T5446]  ? __x64_sys_mount+0xc0/0xc0
[  255.599164][ T5446]  ? lockdep_hardirqs_on+0x94/0x140
[  255.604352][ T5446]  ? __x64_sys_mount+0x1c/0xc0
[  255.609119][ T5446]  do_syscall_64+0x4c/0xa0
[  255.613536][ T5446]  ? clear_bhb_loop+0x30/0x80
[  255.618298][ T5446]  ? clear_bhb_loop+0x30/0x80
[  255.622967][ T5446]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  255.629107][ T5446] RIP: 0033:0x7f46c8d0660a
[  255.633609][ T5446] 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
[  255.653316][ T5446] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.661917][ T5446] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  255.669903][ T5446] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  255.677898][ T5446] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  255.685976][ T5446] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  255.693954][ T5446] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  255.701961][ T5446]  </TASK>
[  255.710892][ T1423] ieee802154 phy0 wpan0: encryption failed: -22
[  255.717336][ T1423] ieee802154 phy1 wpan1: encryption failed: -22
[  255.719137][ T5446] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.738298][ T5446] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  256.086711][ T5448] loop1: detected capacity change from 0 to 32768
[  256.162026][ T5448] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  256.169539][ T5448] CPU: 0 PID: 5448 Comm: syz.1.207 Not tainted syzkaller #0
[  256.176856][ T5448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  256.186934][ T5448] Call Trace:
[  256.190242][ T5448]  <TASK>
[  256.193288][ T5448]  dump_stack_lvl+0x188/0x250
[  256.197994][ T5448]  ? show_regs_print_info+0x20/0x20
[  256.203221][ T5448]  ? load_image+0x400/0x400
[  256.207769][ T5448]  sysfs_create_dir_ns+0x26a/0x290
[  256.212921][ T5448]  ? sysfs_warn_dup+0xa0/0xa0
[  256.217644][ T5448]  ? do_raw_spin_unlock+0x11d/0x230
[  256.222875][ T5448]  kobject_add_internal+0x6e0/0xd90
[  256.228134][ T5448]  kobject_init_and_add+0x128/0x190
[  256.233882][ T5448]  ? lockdep_softirqs_off+0x430/0x430
[  256.239381][ T5448]  ? kobject_add+0x230/0x230
[  256.244111][ T5448]  ? __init_swait_queue_head+0xa5/0x150
[  256.249774][ T5448]  gfs2_sys_fs_add+0x24f/0x4b0
[  256.254646][ T5448]  ? gfs2_recover_set+0x240/0x240
[  256.259776][ T5448]  ? snprintf+0xe5/0x140
[  256.264013][ T5448]  ? __free_pages+0x95/0x1a0
[  256.268618][ T5448]  ? vscnprintf+0x80/0x80
[  256.272956][ T5448]  gfs2_fill_super+0x120f/0x1f00
[  256.277969][ T5448]  ? gfs2_reconfigure+0xd30/0xd30
[  256.283312][ T5448]  ? sb_set_blocksize+0xa5/0xe0
[  256.288191][ T5448]  get_tree_bdev+0x3f1/0x610
[  256.292778][ T5448]  ? gfs2_reconfigure+0xd30/0xd30
[  256.297833][ T5448]  gfs2_get_tree+0x4d/0x1e0
[  256.302332][ T5448]  vfs_get_tree+0x88/0x270
[  256.306759][ T5448]  do_new_mount+0x24a/0xa40
[  256.311297][ T5448]  __se_sys_mount+0x2e3/0x3d0
[  256.316002][ T5448]  ? __x64_sys_mount+0xc0/0xc0
[  256.320767][ T5448]  ? lockdep_hardirqs_on+0x94/0x140
[  256.325974][ T5448]  ? __x64_sys_mount+0x1c/0xc0
[  256.330764][ T5448]  do_syscall_64+0x4c/0xa0
[  256.335194][ T5448]  ? clear_bhb_loop+0x30/0x80
[  256.339865][ T5448]  ? clear_bhb_loop+0x30/0x80
[  256.344548][ T5448]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  256.350435][ T5448] RIP: 0033:0x7f46c8d0660a
[  256.354843][ T5448] 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
[  256.374450][ T5448] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.382872][ T5448] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  256.390861][ T5448] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  256.398913][ T5448] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  256.406886][ T5448] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  256.414875][ T5448] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  256.422851][ T5448]  </TASK>
[  256.426744][ T5448] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.440834][ T5448] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  256.791128][ T5450] loop1: detected capacity change from 0 to 32768
[  256.835078][ T5450] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  256.850382][ T5450] CPU: 1 PID: 5450 Comm: syz.1.208 Not tainted syzkaller #0
[  256.857848][ T5450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  256.867941][ T5450] Call Trace:
[  256.871252][ T5450]  <TASK>
[  256.874209][ T5450]  dump_stack_lvl+0x188/0x250
[  256.879071][ T5450]  ? show_regs_print_info+0x20/0x20
[  256.884491][ T5450]  ? load_image+0x400/0x400
[  256.889129][ T5450]  sysfs_create_dir_ns+0x26a/0x290
[  256.894367][ T5450]  ? sysfs_warn_dup+0xa0/0xa0
[  256.899081][ T5450]  ? do_raw_spin_unlock+0x11d/0x230
[  256.904320][ T5450]  kobject_add_internal+0x6e0/0xd90
[  256.909569][ T5450]  kobject_init_and_add+0x128/0x190
[  256.914806][ T5450]  ? lockdep_softirqs_off+0x430/0x430
[  256.920216][ T5450]  ? kobject_add+0x230/0x230
[  256.924842][ T5450]  ? __init_swait_queue_head+0xa5/0x150
[  256.930425][ T5450]  gfs2_sys_fs_add+0x24f/0x4b0
[  256.935193][ T5450]  ? gfs2_recover_set+0x240/0x240
[  256.940210][ T5450]  ? snprintf+0xe5/0x140
[  256.944446][ T5450]  ? __free_pages+0x95/0x1a0
[  256.949033][ T5450]  ? vscnprintf+0x80/0x80
[  256.953371][ T5450]  gfs2_fill_super+0x120f/0x1f00
[  256.958332][ T5450]  ? gfs2_reconfigure+0xd30/0xd30
[  256.963366][ T5450]  ? sb_set_blocksize+0xa5/0xe0
[  256.968235][ T5450]  get_tree_bdev+0x3f1/0x610
[  256.972913][ T5450]  ? gfs2_reconfigure+0xd30/0xd30
[  256.977933][ T5450]  gfs2_get_tree+0x4d/0x1e0
[  256.982433][ T5450]  vfs_get_tree+0x88/0x270
[  256.986861][ T5450]  do_new_mount+0x24a/0xa40
[  256.991376][ T5450]  __se_sys_mount+0x2e3/0x3d0
[  256.996100][ T5450]  ? __x64_sys_mount+0xc0/0xc0
[  257.000874][ T5450]  ? lockdep_hardirqs_on+0x94/0x140
[  257.006087][ T5450]  ? __x64_sys_mount+0x1c/0xc0
[  257.010857][ T5450]  do_syscall_64+0x4c/0xa0
[  257.015302][ T5450]  ? clear_bhb_loop+0x30/0x80
[  257.019979][ T5450]  ? clear_bhb_loop+0x30/0x80
[  257.024651][ T5450]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  257.030548][ T5450] RIP: 0033:0x7f46c8d0660a
[  257.035592][ T5450] 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
[  257.055202][ T5450] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.063628][ T5450] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  257.071607][ T5450] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  257.079593][ T5450] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  257.087559][ T5450] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  257.095556][ T5450] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  257.103553][ T5450]  </TASK>
[  257.108343][ T5450] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  257.121655][ T5450] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/03/28 11:11:47 executed programs: 194
[  257.454839][ T5452] loop1: detected capacity change from 0 to 32768
[  257.554797][ T5452] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.562633][ T5452] CPU: 1 PID: 5452 Comm: syz.1.209 Not tainted syzkaller #0
[  257.569956][ T5452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  257.580049][ T5452] Call Trace:
[  257.583361][ T5452]  <TASK>
[  257.586317][ T5452]  dump_stack_lvl+0x188/0x250
[  257.591027][ T5452]  ? show_regs_print_info+0x20/0x20
[  257.596252][ T5452]  ? load_image+0x400/0x400
[  257.600842][ T5452]  sysfs_create_dir_ns+0x26a/0x290
[  257.605975][ T5452]  ? sysfs_warn_dup+0xa0/0xa0
[  257.610649][ T5452]  ? do_raw_spin_unlock+0x11d/0x230
[  257.615846][ T5452]  kobject_add_internal+0x6e0/0xd90
[  257.621045][ T5452]  kobject_init_and_add+0x128/0x190
[  257.626255][ T5452]  ? lockdep_softirqs_off+0x430/0x430
[  257.632405][ T5452]  ? kobject_add+0x230/0x230
[  257.636988][ T5452]  ? __init_swait_queue_head+0xa5/0x150
[  257.642524][ T5452]  gfs2_sys_fs_add+0x24f/0x4b0
[  257.647294][ T5452]  ? gfs2_recover_set+0x240/0x240
[  257.652320][ T5452]  ? snprintf+0xe5/0x140
[  257.656648][ T5452]  ? __free_pages+0x95/0x1a0
[  257.661238][ T5452]  ? vscnprintf+0x80/0x80
[  257.665559][ T5452]  gfs2_fill_super+0x120f/0x1f00
[  257.670495][ T5452]  ? gfs2_reconfigure+0xd30/0xd30
[  257.675556][ T5452]  ? sb_set_blocksize+0xa5/0xe0
[  257.680408][ T5452]  get_tree_bdev+0x3f1/0x610
[  257.684991][ T5452]  ? gfs2_reconfigure+0xd30/0xd30
[  257.690016][ T5452]  gfs2_get_tree+0x4d/0x1e0
[  257.694509][ T5452]  vfs_get_tree+0x88/0x270
[  257.698999][ T5452]  do_new_mount+0x24a/0xa40
[  257.703493][ T5452]  __se_sys_mount+0x2e3/0x3d0
[  257.708338][ T5452]  ? __x64_sys_mount+0xc0/0xc0
[  257.713094][ T5452]  ? lockdep_hardirqs_on+0x94/0x140
[  257.718290][ T5452]  ? __x64_sys_mount+0x1c/0xc0
[  257.723054][ T5452]  do_syscall_64+0x4c/0xa0
[  257.727468][ T5452]  ? clear_bhb_loop+0x30/0x80
[  257.732129][ T5452]  ? clear_bhb_loop+0x30/0x80
[  257.736971][ T5452]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  257.742849][ T5452] RIP: 0033:0x7f46c8d0660a
[  257.747263][ T5452] 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
[  257.766959][ T5452] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.775363][ T5452] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  257.783327][ T5452] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  257.791397][ T5452] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  257.799366][ T5452] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  257.807351][ T5452] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  257.815318][ T5452]  </TASK>
[  257.827408][ T5452] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  257.841058][ T5452] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  258.189277][ T5454] loop1: detected capacity change from 0 to 32768
[  258.284934][ T5454] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  258.292478][ T5454] CPU: 0 PID: 5454 Comm: syz.1.210 Not tainted syzkaller #0
[  258.299789][ T5454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  258.309865][ T5454] Call Trace:
[  258.313167][ T5454]  <TASK>
[  258.316210][ T5454]  dump_stack_lvl+0x188/0x250
[  258.320920][ T5454]  ? show_regs_print_info+0x20/0x20
[  258.326157][ T5454]  ? load_image+0x400/0x400
[  258.330699][ T5454]  sysfs_create_dir_ns+0x26a/0x290
[  258.335862][ T5454]  ? sysfs_warn_dup+0xa0/0xa0
[  258.340561][ T5454]  ? do_raw_spin_unlock+0x11d/0x230
[  258.345903][ T5454]  kobject_add_internal+0x6e0/0xd90
[  258.351110][ T5454]  kobject_init_and_add+0x128/0x190
[  258.356315][ T5454]  ? lockdep_softirqs_off+0x430/0x430
[  258.361686][ T5454]  ? kobject_add+0x230/0x230
[  258.366288][ T5454]  ? __init_swait_queue_head+0xa5/0x150
[  258.371833][ T5454]  gfs2_sys_fs_add+0x24f/0x4b0
[  258.376596][ T5454]  ? gfs2_recover_set+0x240/0x240
[  258.381615][ T5454]  ? snprintf+0xe5/0x140
[  258.386197][ T5454]  ? __free_pages+0x95/0x1a0
[  258.390826][ T5454]  ? vscnprintf+0x80/0x80
[  258.395167][ T5454]  gfs2_fill_super+0x120f/0x1f00
[  258.400117][ T5454]  ? gfs2_reconfigure+0xd30/0xd30
[  258.405146][ T5454]  ? sb_set_blocksize+0xa5/0xe0
[  258.409990][ T5454]  get_tree_bdev+0x3f1/0x610
[  258.414572][ T5454]  ? gfs2_reconfigure+0xd30/0xd30
[  258.419589][ T5454]  gfs2_get_tree+0x4d/0x1e0
[  258.424104][ T5454]  vfs_get_tree+0x88/0x270
[  258.428512][ T5454]  do_new_mount+0x24a/0xa40
[  258.433013][ T5454]  __se_sys_mount+0x2e3/0x3d0
[  258.437682][ T5454]  ? __x64_sys_mount+0xc0/0xc0
[  258.442437][ T5454]  ? lockdep_hardirqs_on+0x94/0x140
[  258.447627][ T5454]  ? __x64_sys_mount+0x1c/0xc0
[  258.452385][ T5454]  do_syscall_64+0x4c/0xa0
[  258.456791][ T5454]  ? clear_bhb_loop+0x30/0x80
[  258.461467][ T5454]  ? clear_bhb_loop+0x30/0x80
[  258.466153][ T5454]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  258.472050][ T5454] RIP: 0033:0x7f46c8d0660a
[  258.476477][ T5454] 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
[  258.496091][ T5454] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  258.504512][ T5454] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  258.512493][ T5454] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  258.520456][ T5454] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  258.528530][ T5454] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  258.536503][ T5454] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  258.544487][ T5454]  </TASK>
[  258.548232][ T5454] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.561407][ T5454] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  258.907451][ T5456] loop1: detected capacity change from 0 to 32768
[  258.994264][ T5456] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.001938][ T5456] CPU: 0 PID: 5456 Comm: syz.1.211 Not tainted syzkaller #0
[  259.009254][ T5456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  259.019329][ T5456] Call Trace:
[  259.022636][ T5456]  <TASK>
[  259.025581][ T5456]  dump_stack_lvl+0x188/0x250
[  259.030286][ T5456]  ? show_regs_print_info+0x20/0x20
[  259.035518][ T5456]  ? load_image+0x400/0x400
[  259.040065][ T5456]  sysfs_create_dir_ns+0x26a/0x290
[  259.045216][ T5456]  ? sysfs_warn_dup+0xa0/0xa0
[  259.049916][ T5456]  ? do_raw_spin_unlock+0x11d/0x230
[  259.055151][ T5456]  kobject_add_internal+0x6e0/0xd90
[  259.060390][ T5456]  kobject_init_and_add+0x128/0x190
[  259.065612][ T5456]  ? lockdep_softirqs_off+0x430/0x430
[  259.071026][ T5456]  ? kobject_add+0x230/0x230
[  259.075637][ T5456]  ? __init_swait_queue_head+0xa5/0x150
[  259.081244][ T5456]  gfs2_sys_fs_add+0x24f/0x4b0
[  259.086115][ T5456]  ? gfs2_recover_set+0x240/0x240
[  259.091141][ T5456]  ? snprintf+0xe5/0x140
[  259.095399][ T5456]  ? __free_pages+0x95/0x1a0
[  259.100157][ T5456]  ? vscnprintf+0x80/0x80
[  259.104488][ T5456]  gfs2_fill_super+0x120f/0x1f00
[  259.109428][ T5456]  ? gfs2_reconfigure+0xd30/0xd30
[  259.114621][ T5456]  ? sb_set_blocksize+0xa5/0xe0
[  259.119465][ T5456]  get_tree_bdev+0x3f1/0x610
[  259.124063][ T5456]  ? gfs2_reconfigure+0xd30/0xd30
[  259.129080][ T5456]  gfs2_get_tree+0x4d/0x1e0
[  259.133573][ T5456]  vfs_get_tree+0x88/0x270
[  259.138002][ T5456]  do_new_mount+0x24a/0xa40
[  259.142512][ T5456]  __se_sys_mount+0x2e3/0x3d0
[  259.147205][ T5456]  ? __x64_sys_mount+0xc0/0xc0
[  259.151963][ T5456]  ? lockdep_hardirqs_on+0x94/0x140
[  259.157160][ T5456]  ? __x64_sys_mount+0x1c/0xc0
[  259.161922][ T5456]  do_syscall_64+0x4c/0xa0
[  259.166355][ T5456]  ? clear_bhb_loop+0x30/0x80
[  259.171029][ T5456]  ? clear_bhb_loop+0x30/0x80
[  259.175695][ T5456]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  259.181586][ T5456] RIP: 0033:0x7f46c8d0660a
[  259.186017][ T5456] 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
[  259.205617][ T5456] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.214040][ T5456] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  259.222201][ T5456] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  259.230189][ T5456] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  259.238158][ T5456] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  259.246119][ T5456] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  259.254118][ T5456]  </TASK>
[  259.258321][ T5456] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  259.271634][ T5456] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.634304][ T5458] loop1: detected capacity change from 0 to 32768
[  259.683014][ T5458] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.698881][ T5458] CPU: 0 PID: 5458 Comm: syz.1.212 Not tainted syzkaller #0
[  259.706220][ T5458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  259.716300][ T5458] Call Trace:
[  259.719607][ T5458]  <TASK>
[  259.722555][ T5458]  dump_stack_lvl+0x188/0x250
[  259.727263][ T5458]  ? show_regs_print_info+0x20/0x20
[  259.732488][ T5458]  ? load_image+0x400/0x400
[  259.737032][ T5458]  sysfs_create_dir_ns+0x26a/0x290
[  259.742266][ T5458]  ? sysfs_warn_dup+0xa0/0xa0
[  259.746966][ T5458]  ? do_raw_spin_unlock+0x11d/0x230
[  259.752215][ T5458]  kobject_add_internal+0x6e0/0xd90
[  259.757459][ T5458]  kobject_init_and_add+0x128/0x190
[  259.762690][ T5458]  ? lockdep_softirqs_off+0x430/0x430
[  259.768105][ T5458]  ? kobject_add+0x230/0x230
[  259.772750][ T5458]  ? __init_swait_queue_head+0xa5/0x150
[  259.778332][ T5458]  gfs2_sys_fs_add+0x24f/0x4b0
[  259.783127][ T5458]  ? gfs2_recover_set+0x240/0x240
[  259.788185][ T5458]  ? snprintf+0xe5/0x140
[  259.792440][ T5458]  ? __free_pages+0x95/0x1a0
[  259.797026][ T5458]  ? vscnprintf+0x80/0x80
[  259.801364][ T5458]  gfs2_fill_super+0x120f/0x1f00
[  259.806471][ T5458]  ? gfs2_reconfigure+0xd30/0xd30
[  259.811501][ T5458]  ? sb_set_blocksize+0xa5/0xe0
[  259.816427][ T5458]  get_tree_bdev+0x3f1/0x610
[  259.821020][ T5458]  ? gfs2_reconfigure+0xd30/0xd30
[  259.826071][ T5458]  gfs2_get_tree+0x4d/0x1e0
[  259.830593][ T5458]  vfs_get_tree+0x88/0x270
[  259.835032][ T5458]  do_new_mount+0x24a/0xa40
[  259.839539][ T5458]  __se_sys_mount+0x2e3/0x3d0
[  259.844220][ T5458]  ? __x64_sys_mount+0xc0/0xc0
[  259.849070][ T5458]  ? lockdep_hardirqs_on+0x94/0x140
[  259.854275][ T5458]  ? __x64_sys_mount+0x1c/0xc0
[  259.859050][ T5458]  do_syscall_64+0x4c/0xa0
[  259.863471][ T5458]  ? clear_bhb_loop+0x30/0x80
[  259.868172][ T5458]  ? clear_bhb_loop+0x30/0x80
[  259.872852][ T5458]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  259.878849][ T5458] RIP: 0033:0x7f46c8d0660a
[  259.883276][ T5458] 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
[  259.902973][ T5458] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.911392][ T5458] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  259.919361][ T5458] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  259.927323][ T5458] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  259.935294][ T5458] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  259.943373][ T5458] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  259.951371][ T5458]  </TASK>
[  259.955296][ T5458] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  259.968649][ T5458] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  260.319495][ T5460] loop1: detected capacity change from 0 to 32768
[  260.391061][ T5460] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  260.398670][ T5460] CPU: 1 PID: 5460 Comm: syz.1.213 Not tainted syzkaller #0
[  260.405983][ T5460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  260.416074][ T5460] Call Trace:
[  260.419378][ T5460]  <TASK>
[  260.422327][ T5460]  dump_stack_lvl+0x188/0x250
[  260.427129][ T5460]  ? show_regs_print_info+0x20/0x20
[  260.432359][ T5460]  ? load_image+0x400/0x400
[  260.436913][ T5460]  sysfs_create_dir_ns+0x26a/0x290
[  260.442068][ T5460]  ? sysfs_warn_dup+0xa0/0xa0
[  260.446768][ T5460]  ? do_raw_spin_unlock+0x11d/0x230
[  260.452085][ T5460]  kobject_add_internal+0x6e0/0xd90
[  260.457323][ T5460]  kobject_init_and_add+0x128/0x190
[  260.462548][ T5460]  ? lockdep_softirqs_off+0x430/0x430
[  260.468065][ T5460]  ? kobject_add+0x230/0x230
[  260.472695][ T5460]  ? __init_swait_queue_head+0xa5/0x150
[  260.478245][ T5460]  gfs2_sys_fs_add+0x24f/0x4b0
[  260.483009][ T5460]  ? gfs2_recover_set+0x240/0x240
[  260.488030][ T5460]  ? snprintf+0xe5/0x140
[  260.492267][ T5460]  ? __free_pages+0x95/0x1a0
[  260.496860][ T5460]  ? vscnprintf+0x80/0x80
[  260.501208][ T5460]  gfs2_fill_super+0x120f/0x1f00
[  260.506213][ T5460]  ? gfs2_reconfigure+0xd30/0xd30
[  260.511240][ T5460]  ? sb_set_blocksize+0xa5/0xe0
[  260.516090][ T5460]  get_tree_bdev+0x3f1/0x610
[  260.520687][ T5460]  ? gfs2_reconfigure+0xd30/0xd30
[  260.525809][ T5460]  gfs2_get_tree+0x4d/0x1e0
[  260.530307][ T5460]  vfs_get_tree+0x88/0x270
[  260.534717][ T5460]  do_new_mount+0x24a/0xa40
[  260.539222][ T5460]  __se_sys_mount+0x2e3/0x3d0
[  260.543933][ T5460]  ? __x64_sys_mount+0xc0/0xc0
[  260.548764][ T5460]  ? lockdep_hardirqs_on+0x94/0x140
[  260.553991][ T5460]  ? __x64_sys_mount+0x1c/0xc0
[  260.558781][ T5460]  do_syscall_64+0x4c/0xa0
[  260.563209][ T5460]  ? clear_bhb_loop+0x30/0x80
[  260.567884][ T5460]  ? clear_bhb_loop+0x30/0x80
[  260.572561][ T5460]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  260.578543][ T5460] RIP: 0033:0x7f46c8d0660a
[  260.583086][ T5460] 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
[  260.602697][ T5460] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  260.611230][ T5460] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  260.619203][ T5460] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  260.627168][ T5460] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  260.635131][ T5460] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  260.643104][ T5460] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  260.651180][ T5460]  </TASK>
[  260.656011][ T5460] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  260.669332][ T5460] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  261.190097][ T5462] loop1: detected capacity change from 0 to 32768
[  261.213769][ T5462] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  261.230215][ T5462] CPU: 0 PID: 5462 Comm: syz.1.214 Not tainted syzkaller #0
[  261.237574][ T5462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  261.247748][ T5462] Call Trace:
[  261.251054][ T5462]  <TASK>
[  261.254000][ T5462]  dump_stack_lvl+0x188/0x250
[  261.258702][ T5462]  ? show_regs_print_info+0x20/0x20
[  261.263963][ T5462]  ? load_image+0x400/0x400
[  261.268514][ T5462]  sysfs_create_dir_ns+0x26a/0x290
[  261.273827][ T5462]  ? sysfs_warn_dup+0xa0/0xa0
[  261.278614][ T5462]  ? do_raw_spin_unlock+0x11d/0x230
[  261.283834][ T5462]  kobject_add_internal+0x6e0/0xd90
[  261.289064][ T5462]  kobject_init_and_add+0x128/0x190
[  261.294303][ T5462]  ? lockdep_softirqs_off+0x430/0x430
[  261.299725][ T5462]  ? kobject_add+0x230/0x230
[  261.304358][ T5462]  ? __init_swait_queue_head+0xa5/0x150
[  261.309942][ T5462]  gfs2_sys_fs_add+0x24f/0x4b0
[  261.314741][ T5462]  ? gfs2_recover_set+0x240/0x240
[  261.319786][ T5462]  ? snprintf+0xe5/0x140
[  261.324047][ T5462]  ? __free_pages+0x95/0x1a0
[  261.328773][ T5462]  ? vscnprintf+0x80/0x80
[  261.333138][ T5462]  gfs2_fill_super+0x120f/0x1f00
[  261.338109][ T5462]  ? gfs2_reconfigure+0xd30/0xd30
[  261.343175][ T5462]  ? sb_set_blocksize+0xa5/0xe0
[  261.348045][ T5462]  get_tree_bdev+0x3f1/0x610
[  261.352661][ T5462]  ? gfs2_reconfigure+0xd30/0xd30
[  261.357711][ T5462]  gfs2_get_tree+0x4d/0x1e0
[  261.362388][ T5462]  vfs_get_tree+0x88/0x270
[  261.366844][ T5462]  do_new_mount+0x24a/0xa40
[  261.371507][ T5462]  __se_sys_mount+0x2e3/0x3d0
[  261.376228][ T5462]  ? __x64_sys_mount+0xc0/0xc0
[  261.381029][ T5462]  ? lockdep_hardirqs_on+0x94/0x140
[  261.386259][ T5462]  ? __x64_sys_mount+0x1c/0xc0
[  261.391058][ T5462]  do_syscall_64+0x4c/0xa0
[  261.395816][ T5462]  ? clear_bhb_loop+0x30/0x80
[  261.400511][ T5462]  ? clear_bhb_loop+0x30/0x80
[  261.405216][ T5462]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  261.411140][ T5462] RIP: 0033:0x7f46c8d0660a
[  261.415583][ T5462] 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
[  261.435219][ T5462] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  261.443636][ T5462] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  261.451612][ T5462] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  261.459602][ T5462] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  261.467900][ T5462] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  261.475889][ T5462] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  261.483877][ T5462]  </TASK>
[  261.487857][ T5462] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  261.501289][ T5462] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  261.821764][ T5464] loop1: detected capacity change from 0 to 32768
[  261.881885][ T5464] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  261.889400][ T5464] CPU: 0 PID: 5464 Comm: syz.1.215 Not tainted syzkaller #0
[  261.896720][ T5464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  261.906832][ T5464] Call Trace:
[  261.910138][ T5464]  <TASK>
[  261.913093][ T5464]  dump_stack_lvl+0x188/0x250
[  261.917803][ T5464]  ? show_regs_print_info+0x20/0x20
[  261.923380][ T5464]  ? load_image+0x400/0x400
[  261.927926][ T5464]  sysfs_create_dir_ns+0x26a/0x290
[  261.933074][ T5464]  ? sysfs_warn_dup+0xa0/0xa0
[  261.937781][ T5464]  ? do_raw_spin_unlock+0x11d/0x230
[  261.943006][ T5464]  kobject_add_internal+0x6e0/0xd90
[  261.948237][ T5464]  kobject_init_and_add+0x128/0x190
[  261.953463][ T5464]  ? lockdep_softirqs_off+0x430/0x430
[  261.958865][ T5464]  ? kobject_add+0x230/0x230
[  261.963477][ T5464]  ? __init_swait_queue_head+0xa5/0x150
[  261.969020][ T5464]  gfs2_sys_fs_add+0x24f/0x4b0
[  261.973799][ T5464]  ? gfs2_recover_set+0x240/0x240
[  261.978823][ T5464]  ? snprintf+0xe5/0x140
[  261.983052][ T5464]  ? __free_pages+0x95/0x1a0
[  261.987637][ T5464]  ? vscnprintf+0x80/0x80
[  261.992051][ T5464]  gfs2_fill_super+0x120f/0x1f00
[  261.997077][ T5464]  ? gfs2_reconfigure+0xd30/0xd30
[  262.002162][ T5464]  ? sb_set_blocksize+0xa5/0xe0
[  262.007115][ T5464]  get_tree_bdev+0x3f1/0x610
[  262.011716][ T5464]  ? gfs2_reconfigure+0xd30/0xd30
[  262.016763][ T5464]  gfs2_get_tree+0x4d/0x1e0
[  262.021295][ T5464]  vfs_get_tree+0x88/0x270
[  262.025731][ T5464]  do_new_mount+0x24a/0xa40
[  262.030232][ T5464]  __se_sys_mount+0x2e3/0x3d0
[  262.034901][ T5464]  ? __x64_sys_mount+0xc0/0xc0
[  262.039656][ T5464]  ? lockdep_hardirqs_on+0x94/0x140
[  262.044849][ T5464]  ? __x64_sys_mount+0x1c/0xc0
[  262.049713][ T5464]  do_syscall_64+0x4c/0xa0
[  262.054121][ T5464]  ? clear_bhb_loop+0x30/0x80
[  262.058786][ T5464]  ? clear_bhb_loop+0x30/0x80
[  262.063463][ T5464]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  262.069377][ T5464] RIP: 0033:0x7f46c8d0660a
[  262.073864][ T5464] 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
[  262.093529][ T5464] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  262.101948][ T5464] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  262.109913][ T5464] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  262.117879][ T5464] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  262.125935][ T5464] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  262.134682][ T5464] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  262.142764][ T5464]  </TASK>
[  262.146767][ T5464] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  262.160203][ T5464] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/03/28 11:11:52 executed programs: 201
[  262.485506][ T5466] loop1: detected capacity change from 0 to 32768
[  262.553840][ T5466] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  262.561449][ T5466] CPU: 1 PID: 5466 Comm: syz.1.216 Not tainted syzkaller #0
[  262.568763][ T5466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  262.578843][ T5466] Call Trace:
[  262.582144][ T5466]  <TASK>
[  262.585090][ T5466]  dump_stack_lvl+0x188/0x250
[  262.589794][ T5466]  ? show_regs_print_info+0x20/0x20
[  262.595016][ T5466]  ? load_image+0x400/0x400
[  262.599567][ T5466]  sysfs_create_dir_ns+0x26a/0x290
[  262.604709][ T5466]  ? sysfs_warn_dup+0xa0/0xa0
[  262.609583][ T5466]  ? do_raw_spin_unlock+0x11d/0x230
[  262.614804][ T5466]  kobject_add_internal+0x6e0/0xd90
[  262.620036][ T5466]  kobject_init_and_add+0x128/0x190
[  262.625256][ T5466]  ? lockdep_softirqs_off+0x430/0x430
[  262.630657][ T5466]  ? kobject_add+0x230/0x230
[  262.635364][ T5466]  ? __init_swait_queue_head+0xa5/0x150
[  262.640970][ T5466]  gfs2_sys_fs_add+0x24f/0x4b0
[  262.645731][ T5466]  ? gfs2_recover_set+0x240/0x240
[  262.650761][ T5466]  ? snprintf+0xe5/0x140
[  262.655078][ T5466]  ? __free_pages+0x95/0x1a0
[  262.659666][ T5466]  ? vscnprintf+0x80/0x80
[  262.664006][ T5466]  gfs2_fill_super+0x120f/0x1f00
[  262.669049][ T5466]  ? gfs2_reconfigure+0xd30/0xd30
[  262.674075][ T5466]  ? sb_set_blocksize+0xa5/0xe0
[  262.678919][ T5466]  get_tree_bdev+0x3f1/0x610
[  262.683516][ T5466]  ? gfs2_reconfigure+0xd30/0xd30
[  262.688533][ T5466]  gfs2_get_tree+0x4d/0x1e0
[  262.693159][ T5466]  vfs_get_tree+0x88/0x270
[  262.697567][ T5466]  do_new_mount+0x24a/0xa40
[  262.702072][ T5466]  __se_sys_mount+0x2e3/0x3d0
[  262.706756][ T5466]  ? __x64_sys_mount+0xc0/0xc0
[  262.711513][ T5466]  ? lockdep_hardirqs_on+0x94/0x140
[  262.716706][ T5466]  ? __x64_sys_mount+0x1c/0xc0
[  262.721468][ T5466]  do_syscall_64+0x4c/0xa0
[  262.725897][ T5466]  ? clear_bhb_loop+0x30/0x80
[  262.730664][ T5466]  ? clear_bhb_loop+0x30/0x80
[  262.735331][ T5466]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  262.741212][ T5466] RIP: 0033:0x7f46c8d0660a
[  262.745615][ T5466] 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
[  262.765225][ T5466] RSP: 002b:00007f46c8368e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  262.770778][   T27] INFO: task syz.0.17:5041 blocked for more than 143 seconds.
[  262.773631][ T5466] RAX: ffffffffffffffda RBX: 00007f46c8368ee0 RCX: 00007f46c8d0660a
[  262.773650][ T5466] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f46c8368ea0
[  262.784144][   T27]       Not tainted syzkaller #0
[  262.789898][ T5466] RBP: 0000200000000400 R08: 00007f46c8368ee0 R09: 0000000000000000
[  262.801307][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  262.802877][ T5466] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  262.811177][   T27] task:syz.0.17        state:D
[  262.819595][ T5466] R13: 00007f46c8368ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  262.830119][   T27]  stack:23632 pid: 5041 ppid:  4788 flags:0x00004004
[  262.832416][ T5466]  </TASK>
[  262.834299][ T5466] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  262.843483][   T27] Call Trace:
[  262.847563][ T5466] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  262.850687][   T27]  <TASK>
[  262.876669][   T27]  __schedule+0x11ef/0x43c0
[  262.881244][   T27]  ? mark_lock+0x94/0x320
[  262.885586][   T27]  ? lock_chain_count+0x20/0x20
[  262.890429][   T27]  ? release_firmware_map_entry+0x190/0x190
[  262.896425][   T27]  ? _raw_spin_unlock_irqrestore+0x82/0x120
[  262.902435][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  262.907655][   T27]  ? _raw_spin_unlock_irqrestore+0xc1/0x120
[  262.913573][   T27]  schedule+0x11b/0x1e0
[  262.917749][   T27]  bit_wait+0xd/0xc0
[  262.921798][   T27]  out_of_line_wait_on_bit+0x173/0x230
[  262.927275][   T27]  ? out_of_line_wait_on_bit_lock+0x190/0x190
[  262.933434][   T27]  ? __wait_on_bit+0x170/0x170
[  262.938392][   T27]  ? bit_waitqueue+0x30/0x30
[  262.943260][   T27]  gfs2_glock_wait+0xd9/0x1c0
[  262.948204][   T27]  gfs2_statfs_init+0x11f/0x4d0
[  262.953082][   T27]  ? gfs2_glock_wait+0x136/0x1c0
[  262.958039][   T27]  ? gfs2_statfs_change_out+0xe0/0xe0
[  262.963494][   T27]  ? init_per_node+0x2cb/0x3e0
[  262.968276][   T27]  ? gfs2_statfs_init+0x117/0x4d0
[  262.973327][   T27]  ? init_inodes+0x26a/0x320
[  262.977933][   T27]  gfs2_fill_super+0x16fc/0x1f00
[  262.982917][   T27]  ? gfs2_reconfigure+0xd30/0xd30
[  262.987987][   T27]  ? gfs2_glock_nq_num+0x82/0x1b0
[  262.993104][   T27]  ? sb_set_blocksize+0xa5/0xe0
[  262.997976][   T27]  get_tree_bdev+0x3f1/0x610
[  263.002611][   T27]  ? gfs2_reconfigure+0xd30/0xd30
[  263.007670][   T27]  gfs2_get_tree+0x4d/0x1e0
[  263.012198][   T27]  vfs_get_tree+0x88/0x270
[  263.016630][   T27]  do_new_mount+0x24a/0xa40
[  263.021242][   T27]  __se_sys_mount+0x2e3/0x3d0
[  263.025986][   T27]  ? __x64_sys_mount+0xc0/0xc0
[  263.030819][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  263.036314][   T27]  ? __x64_sys_mount+0x1c/0xc0
[  263.041176][   T27]  do_syscall_64+0x4c/0xa0
[  263.045610][   T27]  ? clear_bhb_loop+0x30/0x80
[  263.050295][   T27]  ? clear_bhb_loop+0x30/0x80
[  263.055123][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  263.061165][   T27] RIP: 0033:0x7ff0caa1860a
[  263.065610][   T27] RSP: 002b:00007ff0ca07ae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  263.074255][   T27] RAX: ffffffffffffffda RBX: 00007ff0ca07aee0 RCX: 00007ff0caa1860a
[  263.082347][   T27] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff0ca07aea0
[  263.090369][   T27] RBP: 0000200000000400 R08: 00007ff0ca07aee0 R09: 0000000000000000
[  263.098384][   T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  263.106596][   T27] R13: 00007ff0ca07aea0 R14: 00000000000125e1 R15: 00002000000000c0
[  263.114688][   T27]  </TASK>
[  263.117967][   T27] 
[  263.117967][   T27] Showing all locks held in the system:
[  263.126054][   T27] 1 lock held by ksoftirqd/0/14:
[  263.131340][   T27]  #0: ffff8880b903a358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140
[  263.141926][   T27] 1 lock held by khungtaskd/27:
[  263.146825][   T27]  #0: ffffffff8c31eaa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[  263.156317][   T27] 2 locks held by getty/3949:
[  263.161045][   T27]  #0: ffff88802c970098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[  263.170986][   T27]  #1: ffffc900025ce2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5df/0x1a70
[  263.181258][   T27] 1 lock held by syz.0.17/5041:
[  263.186125][   T27]  #0: ffff88807cff00e0 (&type->s_umount_key#53/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950
[  263.196272][   T27] 1 lock held by syz.1.216/5466:
[  263.201267][   T27]  #0: ffff88814759d468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xaa/0xb90
[  263.210610][   T27] 
[  263.212946][   T27] =============================================
[  263.212946][   T27] 
[  263.221397][   T27] NMI backtrace for cpu 0
[  263.225743][   T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  263.232958][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  263.243131][   T27] Call Trace:
[  263.246431][   T27]  <TASK>
[  263.249375][   T27]  dump_stack_lvl+0x188/0x250
[  263.254080][   T27]  ? show_regs_print_info+0x20/0x20
[  263.259306][   T27]  ? load_image+0x400/0x400
[  263.263861][   T27]  ? nmi_cpu_backtrace+0x1b2/0x3d0
[  263.269004][   T27]  nmi_cpu_backtrace+0x3a2/0x3d0
[  263.273971][   T27]  ? nmi_trigger_cpumask_backtrace+0x280/0x280
[  263.280242][   T27]  ? _printk+0xda/0x130
[  263.284426][   T27]  ? load_image+0x400/0x400
[  263.289064][   T27]  ? load_image+0x400/0x400
[  263.293603][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  263.299705][   T27]  nmi_trigger_cpumask_backtrace+0x163/0x280
[  263.305719][   T27]  watchdog+0xe0f/0xe50
[  263.309918][   T27]  kthread+0x436/0x520
[  263.314173][   T27]  ? hungtask_pm_notify+0x40/0x40
[  263.319224][   T27]  ? kthread_blkcg+0xd0/0xd0
[  263.323841][   T27]  ret_from_fork+0x1f/0x30
[  263.328297][   T27]  </TASK>
[  263.331642][   T27] Sending NMI from CPU 0 to CPUs 1:
[  263.336874][    C1] NMI backtrace for cpu 1
[  263.336886][    C1] CPU: 1 PID: 3562 Comm: udevd Not tainted syzkaller #0
[  263.336909][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  263.336918][    C1] RIP: 0010:__kasan_check_read+0x6/0x10
[  263.336941][    C1] Code: 41 5f 5d c3 48 c7 c7 86 d9 de 8b eb 0a 48 c7 c7 80 fe c4 8b 48 89 de e8 d8 93 f3 07 31 ed eb d7 00 00 cc cc 89 f6 48 8b 0c 24 <31> d2 e9 43 ef ff ff 0f 1f 00 89 f6 48 8b 0c 24 ba 01 00 00 00 e9
[  263.336954][    C1] RSP: 0018:ffffc900010df598 EFLAGS: 00000246
[  263.336968][    C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff815d0086
[  263.336980][    C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8d89e368
[  263.336989][    C1] RBP: ffffc900010df6a8 R08: 0000000000000001 R09: 0000000000000000
[  263.337000][    C1] R10: dffffc0000000000 R11: fffffbfff203a819 R12: ffff888021685248
[  263.337011][    C1] R13: 1ffff9200021bec0 R14: 0000000000000001 R15: dffffc0000000000
[  263.337022][    C1] FS:  00007f0434ca2880(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
[  263.337036][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  263.337048][    C1] CR2: 00007f46c9a706b8 CR3: 000000002a9f7000 CR4: 00000000003506e0
[  263.337064][    C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  263.337073][    C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  263.337084][    C1] Call Trace:
[  263.337089][    C1]  <TASK>
[  263.337094][    C1]  lock_acquire+0xb6/0x400
[  263.337116][    C1]  ? read_lock_is_recursive+0x10/0x10
[  263.337134][    C1]  ? __might_sleep+0xf0/0xf0
[  263.337149][    C1]  ? read_lock_is_recursive+0x10/0x10
[  263.337168][    C1]  _raw_spin_lock+0x2a/0x40
[  263.337182][    C1]  ? fast_dput+0x16e/0x280
[  263.337196][    C1]  fast_dput+0x16e/0x280
[  263.337212][    C1]  dput+0xb7/0x1a0
[  263.337225][    C1]  step_into+0x325/0xd10
[  263.337246][    C1]  ? set_root+0x3a0/0x3a0
[  263.337262][    C1]  ? walk_component+0x1b7/0x460
[  263.337281][    C1]  link_path_walk+0x665/0xd70
[  263.337303][    C1]  ? handle_lookup_down+0x130/0x130
[  263.337318][    C1]  ? percpu_counter_add_batch+0x13b/0x160
[  263.337340][    C1]  path_openat+0x28d/0x2fa0
[  263.337363][    C1]  ? verify_lock_unused+0x140/0x140
[  263.337380][    C1]  ? slab_post_alloc_hook+0x4c/0x380
[  263.337397][    C1]  ? do_filp_open+0x410/0x410
[  263.337420][    C1]  do_filp_open+0x1e2/0x410
[  263.337437][    C1]  ? vfs_tmpfile+0x300/0x300
[  263.337460][    C1]  ? _raw_spin_unlock+0x24/0x40
[  263.337473][    C1]  ? alloc_fd+0x598/0x630
[  263.337490][    C1]  do_sys_openat2+0x150/0x4b0
[  263.337504][    C1]  ? __lock_acquire+0x7d10/0x7d10
[  263.337522][    C1]  ? do_sys_open+0xe0/0xe0
[  263.337535][    C1]  ? lockdep_hardirqs_on_prepare+0x409/0x770
[  263.337553][    C1]  ? lock_chain_count+0x20/0x20
[  263.337569][    C1]  ? vtime_user_exit+0x2c8/0x3e0
[  263.337586][    C1]  __x64_sys_openat+0x135/0x160
[  263.337602][    C1]  do_syscall_64+0x4c/0xa0
[  263.337617][    C1]  ? clear_bhb_loop+0x30/0x80
[  263.337631][    C1]  ? clear_bhb_loop+0x30/0x80
[  263.337646][    C1]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  263.337660][    C1] RIP: 0033:0x7f0434d90407
[  263.337673][    C1] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
[  263.337685][    C1] RSP: 002b:00007fff2cf4ad50 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
[  263.337700][    C1] RAX: ffffffffffffffda RBX: 00007f0434ca2880 RCX: 00007f0434d90407
[  263.337711][    C1] RDX: 0000000000080000 RSI: 00007fff2cf4aed0 RDI: ffffffffffffff9c
[  263.337722][    C1] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000
[  263.337731][    C1] R10: 0000000000000000 R11: 0000000000000202 R12: 0000564c4634b7f5
[  263.337741][    C1] R13: 0000564c4634b7f5 R14: 0000000000000001 R15: 00007fff2cf4f520
[  263.337757][    C1]  </TASK>
[  263.347502][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  263.704243][ T5468] loop1: detected capacity change from 0 to 32768
[  263.710142][   T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  263.710166][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  263.710179][   T27] Call Trace:
[  263.747202][   T27]  <TASK>
[  263.750142][   T27]  dump_stack_lvl+0x188/0x250
[  263.754837][   T27]  ? show_regs_print_info+0x20/0x20
[  263.760041][   T27]  ? load_image+0x400/0x400
[  263.764641][   T27]  panic+0x2e5/0x810
[  263.768551][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  263.774189][   T27]  ? bpf_jit_dump+0xd0/0xd0
[  263.778715][   T27]  ? nmi_trigger_cpumask_backtrace+0x260/0x280
[  263.784881][   T27]  watchdog+0xe4e/0xe50
[  263.789047][   T27]  kthread+0x436/0x520
[  263.793113][   T27]  ? hungtask_pm_notify+0x40/0x40
[  263.798142][   T27]  ? kthread_blkcg+0xd0/0xd0
[  263.802846][   T27]  ret_from_fork+0x1f/0x30
[  263.807368][   T27]  </TASK>
[  263.810692][   T27] Kernel Offset: disabled
[  263.815032][   T27] Rebooting in 86400 seconds..