_quantum: error -17 adding sysfs files
[  210.376958][ T4490] loop1: detected capacity change from 0 to 32768
[  210.427358][ T4490] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  210.441396][ T4490] CPU: 1 PID: 4490 Comm: syz.1.172 Not tainted syzkaller #0
[  210.448733][ T4490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  210.458820][ T4490] Call Trace:
[  210.462127][ T4490]  <TASK>
[  210.465081][ T4490]  dump_stack_lvl+0x188/0x250
[  210.469796][ T4490]  ? show_regs_print_info+0x20/0x20
[  210.475027][ T4490]  ? load_image+0x400/0x400
[  210.479573][ T4490]  sysfs_create_dir_ns+0x26a/0x290
[  210.484722][ T4490]  ? sysfs_warn_dup+0xa0/0xa0
[  210.489453][ T4490]  ? do_raw_spin_unlock+0x11d/0x230
[  210.494683][ T4490]  kobject_add_internal+0x6e0/0xd90
[  210.499926][ T4490]  kobject_init_and_add+0x128/0x190
[  210.505154][ T4490]  ? lockdep_softirqs_off+0x430/0x430
[  210.510561][ T4490]  ? kobject_add+0x230/0x230
[  210.515270][ T4490]  ? __init_swait_queue_head+0xa5/0x150
[  210.520864][ T4490]  gfs2_sys_fs_add+0x24f/0x4b0
[  210.525630][ T4490]  ? gfs2_recover_set+0x240/0x240
[  210.530664][ T4490]  ? snprintf+0xe5/0x140
[  210.534900][ T4490]  ? __free_pages+0x95/0x1a0
[  210.539493][ T4490]  ? vscnprintf+0x80/0x80
[  210.543826][ T4490]  gfs2_fill_super+0x120f/0x1f00
[  210.548767][ T4490]  ? gfs2_reconfigure+0xd30/0xd30
[  210.553796][ T4490]  ? sb_set_blocksize+0xa5/0xe0
[  210.558639][ T4490]  get_tree_bdev+0x3f1/0x610
[  210.563281][ T4490]  ? gfs2_reconfigure+0xd30/0xd30
[  210.568299][ T4490]  gfs2_get_tree+0x4d/0x1e0
[  210.572799][ T4490]  vfs_get_tree+0x88/0x270
[  210.577220][ T4490]  do_new_mount+0x24a/0xa40
[  210.581719][ T4490]  __se_sys_mount+0x2e3/0x3d0
[  210.586392][ T4490]  ? __x64_sys_mount+0xc0/0xc0
[  210.591147][ T4490]  ? lockdep_hardirqs_on+0x94/0x140
[  210.596334][ T4490]  ? __x64_sys_mount+0x1c/0xc0
[  210.601090][ T4490]  do_syscall_64+0x4c/0xa0
[  210.605495][ T4490]  ? clear_bhb_loop+0x30/0x80
[  210.610160][ T4490]  ? clear_bhb_loop+0x30/0x80
[  210.614832][ T4490]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  210.620714][ T4490] RIP: 0033:0x7efdc1058a8a
[  210.625128][ T4490] 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
[  210.644727][ T4490] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  210.653143][ T4490] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  210.661123][ T4490] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  210.669095][ T4490] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  210.677067][ T4490] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  210.685027][ T4490] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  210.693018][ T4490]  </TASK>
[  210.697529][ T4490] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  210.711328][ T4490] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  211.071146][ T4491] loop1: detected capacity change from 0 to 32768
[  211.124504][ T4491] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  211.143004][ T4491] CPU: 1 PID: 4491 Comm: syz.1.173 Not tainted syzkaller #0
[  211.150344][ T4491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  211.160454][ T4491] Call Trace:
[  211.163756][ T4491]  <TASK>
[  211.166705][ T4491]  dump_stack_lvl+0x188/0x250
[  211.171421][ T4491]  ? show_regs_print_info+0x20/0x20
[  211.176751][ T4491]  ? load_image+0x400/0x400
[  211.181298][ T4491]  sysfs_create_dir_ns+0x26a/0x290
[  211.186480][ T4491]  ? sysfs_warn_dup+0xa0/0xa0
[  211.191277][ T4491]  ? do_raw_spin_unlock+0x11d/0x230
[  211.196505][ T4491]  kobject_add_internal+0x6e0/0xd90
[  211.201739][ T4491]  kobject_init_and_add+0x128/0x190
[  211.206974][ T4491]  ? lockdep_softirqs_off+0x430/0x430
[  211.212379][ T4491]  ? kobject_add+0x230/0x230
[  211.217057][ T4491]  ? __init_swait_queue_head+0xa5/0x150
[  211.222602][ T4491]  gfs2_sys_fs_add+0x24f/0x4b0
[  211.227371][ T4491]  ? gfs2_recover_set+0x240/0x240
[  211.232420][ T4491]  ? snprintf+0xe5/0x140
[  211.237367][ T4491]  ? __free_pages+0x95/0x1a0
[  211.242056][ T4491]  ? vscnprintf+0x80/0x80
[  211.246397][ T4491]  gfs2_fill_super+0x120f/0x1f00
[  211.251356][ T4491]  ? gfs2_reconfigure+0xd30/0xd30
[  211.256413][ T4491]  ? sb_set_blocksize+0xa5/0xe0
[  211.261263][ T4491]  get_tree_bdev+0x3f1/0x610
[  211.265848][ T4491]  ? gfs2_reconfigure+0xd30/0xd30
[  211.271435][ T4491]  gfs2_get_tree+0x4d/0x1e0
[  211.275937][ T4491]  vfs_get_tree+0x88/0x270
[  211.280350][ T4491]  do_new_mount+0x24a/0xa40
[  211.284852][ T4491]  __se_sys_mount+0x2e3/0x3d0
[  211.289532][ T4491]  ? __x64_sys_mount+0xc0/0xc0
[  211.294320][ T4491]  ? lockdep_hardirqs_on+0x94/0x140
[  211.299579][ T4491]  ? __x64_sys_mount+0x1c/0xc0
[  211.304370][ T4491]  do_syscall_64+0x4c/0xa0
[  211.308806][ T4491]  ? clear_bhb_loop+0x30/0x80
[  211.313496][ T4491]  ? clear_bhb_loop+0x30/0x80
[  211.318190][ T4491]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  211.324084][ T4491] RIP: 0033:0x7efdc1058a8a
[  211.328509][ T4491] 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
[  211.348200][ T4491] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  211.356633][ T4491] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  211.364602][ T4491] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  211.372584][ T4491] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  211.380591][ T4491] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  211.388556][ T4491] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  211.396529][ T4491]  </TASK>
[  211.400913][ T4491] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  211.414746][ T4491] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  211.758876][ T4492] loop1: detected capacity change from 0 to 32768
[  211.804857][ T4492] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  211.820745][ T4492] CPU: 0 PID: 4492 Comm: syz.1.174 Not tainted syzkaller #0
[  211.828170][ T4492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  211.838254][ T4492] Call Trace:
[  211.841563][ T4492]  <TASK>
[  211.844516][ T4492]  dump_stack_lvl+0x188/0x250
[  211.849230][ T4492]  ? show_regs_print_info+0x20/0x20
[  211.854460][ T4492]  ? load_image+0x400/0x400
[  211.859009][ T4492]  sysfs_create_dir_ns+0x26a/0x290
[  211.864169][ T4492]  ? sysfs_warn_dup+0xa0/0xa0
[  211.868886][ T4492]  ? do_raw_spin_unlock+0x11d/0x230
[  211.874113][ T4492]  kobject_add_internal+0x6e0/0xd90
[  211.879352][ T4492]  kobject_init_and_add+0x128/0x190
[  211.884579][ T4492]  ? lockdep_softirqs_off+0x430/0x430
[  211.889995][ T4492]  ? kobject_add+0x230/0x230
[  211.894636][ T4492]  ? __init_swait_queue_head+0xa5/0x150
[  211.900212][ T4492]  gfs2_sys_fs_add+0x24f/0x4b0
[  211.905004][ T4492]  ? gfs2_recover_set+0x240/0x240
[  211.910035][ T4492]  ? snprintf+0xe5/0x140
[  211.914383][ T4492]  ? __free_pages+0x95/0x1a0
[  211.919054][ T4492]  ? vscnprintf+0x80/0x80
[  211.923401][ T4492]  gfs2_fill_super+0x120f/0x1f00
[  211.928349][ T4492]  ? gfs2_reconfigure+0xd30/0xd30
[  211.933401][ T4492]  ? sb_set_blocksize+0xa5/0xe0
[  211.938252][ T4492]  get_tree_bdev+0x3f1/0x610
[  211.942863][ T4492]  ? gfs2_reconfigure+0xd30/0xd30
[  211.947886][ T4492]  gfs2_get_tree+0x4d/0x1e0
[  211.952506][ T4492]  vfs_get_tree+0x88/0x270
[  211.956961][ T4492]  do_new_mount+0x24a/0xa40
[  211.961469][ T4492]  __se_sys_mount+0x2e3/0x3d0
[  211.966150][ T4492]  ? __x64_sys_mount+0xc0/0xc0
[  211.970921][ T4492]  ? lockdep_hardirqs_on+0x94/0x140
[  211.976115][ T4492]  ? __x64_sys_mount+0x1c/0xc0
[  211.980885][ T4492]  do_syscall_64+0x4c/0xa0
[  211.985296][ T4492]  ? clear_bhb_loop+0x30/0x80
[  211.990065][ T4492]  ? clear_bhb_loop+0x30/0x80
[  211.994759][ T4492]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  212.000655][ T4492] RIP: 0033:0x7efdc1058a8a
[  212.005208][ T4492] 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
[  212.024911][ T4492] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  212.033420][ T4492] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  212.041398][ T4492] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  212.049379][ T4492] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  212.057369][ T4492] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  212.065342][ T4492] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  212.073327][ T4492]  </TASK>
[  212.077673][ T4492] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  212.091533][ T4492] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  212.448183][ T4493] loop1: detected capacity change from 0 to 32768
[  212.502066][ T4493] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  212.510226][ T4493] CPU: 1 PID: 4493 Comm: syz.1.175 Not tainted syzkaller #0
[  212.517629][ T4493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  212.527720][ T4493] Call Trace:
[  212.531021][ T4493]  <TASK>
[  212.533970][ T4493]  dump_stack_lvl+0x188/0x250
[  212.538684][ T4493]  ? show_regs_print_info+0x20/0x20
[  212.543916][ T4493]  ? load_image+0x400/0x400
[  212.548463][ T4493]  sysfs_create_dir_ns+0x26a/0x290
[  212.553613][ T4493]  ? sysfs_warn_dup+0xa0/0xa0
[  212.558328][ T4493]  ? do_raw_spin_unlock+0x11d/0x230
[  212.563556][ T4493]  kobject_add_internal+0x6e0/0xd90
[  212.568797][ T4493]  kobject_init_and_add+0x128/0x190
[  212.574020][ T4493]  ? lockdep_softirqs_off+0x430/0x430
[  212.579426][ T4493]  ? kobject_add+0x230/0x230
[  212.584042][ T4493]  ? __init_swait_queue_head+0xa5/0x150
[  212.589597][ T4493]  gfs2_sys_fs_add+0x24f/0x4b0
[  212.594367][ T4493]  ? gfs2_recover_set+0x240/0x240
[  212.599388][ T4493]  ? snprintf+0xe5/0x140
[  212.603626][ T4493]  ? __free_pages+0x95/0x1a0
[  212.608227][ T4493]  ? vscnprintf+0x80/0x80
[  212.612573][ T4493]  gfs2_fill_super+0x120f/0x1f00
[  212.617515][ T4493]  ? gfs2_reconfigure+0xd30/0xd30
[  212.622542][ T4493]  ? sb_set_blocksize+0xa5/0xe0
[  212.627388][ T4493]  get_tree_bdev+0x3f1/0x610
[  212.631990][ T4493]  ? gfs2_reconfigure+0xd30/0xd30
[  212.637006][ T4493]  gfs2_get_tree+0x4d/0x1e0
[  212.641561][ T4493]  vfs_get_tree+0x88/0x270
[  212.645973][ T4493]  do_new_mount+0x24a/0xa40
[  212.650479][ T4493]  __se_sys_mount+0x2e3/0x3d0
[  212.655154][ T4493]  ? __x64_sys_mount+0xc0/0xc0
[  212.659914][ T4493]  ? lockdep_hardirqs_on+0x94/0x140
[  212.665114][ T4493]  ? __x64_sys_mount+0x1c/0xc0
[  212.669880][ T4493]  do_syscall_64+0x4c/0xa0
[  212.674404][ T4493]  ? clear_bhb_loop+0x30/0x80
[  212.679076][ T4493]  ? clear_bhb_loop+0x30/0x80
[  212.683747][ T4493]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  212.689719][ T4493] RIP: 0033:0x7efdc1058a8a
[  212.694143][ T4493] 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
[  212.713830][ T4493] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  212.722240][ T4493] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  212.730224][ T4493] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  212.738210][ T4493] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  212.746184][ T4493] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  212.754150][ T4493] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  212.762133][ T4493]  </TASK>
[  212.766708][ T4493] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  212.781084][ T4493] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  213.148305][ T4494] loop1: detected capacity change from 0 to 32768
[  213.202520][ T4494] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  213.210661][ T4494] CPU: 0 PID: 4494 Comm: syz.1.176 Not tainted syzkaller #0
[  213.217983][ T4494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  213.228066][ T4494] Call Trace:
[  213.231373][ T4494]  <TASK>
[  213.234343][ T4494]  dump_stack_lvl+0x188/0x250
[  213.239158][ T4494]  ? show_regs_print_info+0x20/0x20
[  213.244395][ T4494]  ? load_image+0x400/0x400
[  213.248935][ T4494]  sysfs_create_dir_ns+0x26a/0x290
[  213.254082][ T4494]  ? sysfs_warn_dup+0xa0/0xa0
[  213.258790][ T4494]  ? do_raw_spin_unlock+0x11d/0x230
[  213.264024][ T4494]  kobject_add_internal+0x6e0/0xd90
[  213.269259][ T4494]  kobject_init_and_add+0x128/0x190
[  213.274495][ T4494]  ? lockdep_softirqs_off+0x430/0x430
[  213.279915][ T4494]  ? kobject_add+0x230/0x230
[  213.284540][ T4494]  ? __init_swait_queue_head+0xa5/0x150
[  213.290220][ T4494]  gfs2_sys_fs_add+0x24f/0x4b0
[  213.295021][ T4494]  ? gfs2_recover_set+0x240/0x240
[  213.300077][ T4494]  ? snprintf+0xe5/0x140
[  213.304339][ T4494]  ? __free_pages+0x95/0x1a0
[  213.308927][ T4494]  ? vscnprintf+0x80/0x80
[  213.313257][ T4494]  gfs2_fill_super+0x120f/0x1f00
[  213.318201][ T4494]  ? gfs2_reconfigure+0xd30/0xd30
[  213.323247][ T4494]  ? sb_set_blocksize+0xa5/0xe0
[  213.328109][ T4494]  get_tree_bdev+0x3f1/0x610
[  213.332699][ T4494]  ? gfs2_reconfigure+0xd30/0xd30
[  213.337721][ T4494]  gfs2_get_tree+0x4d/0x1e0
[  213.342339][ T4494]  vfs_get_tree+0x88/0x270
[  213.346770][ T4494]  do_new_mount+0x24a/0xa40
[  213.351272][ T4494]  __se_sys_mount+0x2e3/0x3d0
[  213.355949][ T4494]  ? __x64_sys_mount+0xc0/0xc0
[  213.360842][ T4494]  ? lockdep_hardirqs_on+0x94/0x140
[  213.366071][ T4494]  ? __x64_sys_mount+0x1c/0xc0
[  213.370848][ T4494]  do_syscall_64+0x4c/0xa0
[  213.375260][ T4494]  ? clear_bhb_loop+0x30/0x80
[  213.379935][ T4494]  ? clear_bhb_loop+0x30/0x80
[  213.384630][ T4494]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  213.390518][ T4494] RIP: 0033:0x7efdc1058a8a
[  213.395018][ T4494] 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
[  213.414710][ T4494] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  213.423122][ T4494] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  213.431112][ T4494] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  213.439080][ T4494] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  213.447044][ T4494] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  213.455011][ T4494] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  213.462998][ T4494]  </TASK>
[  213.467584][ T4494] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  213.481881][ T4494] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  213.858817][ T4495] loop1: detected capacity change from 0 to 32768
[  213.879367][ T4495] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  213.887647][ T4495] CPU: 0 PID: 4495 Comm: syz.1.177 Not tainted syzkaller #0
[  213.894968][ T4495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  213.905047][ T4495] Call Trace:
[  213.908351][ T4495]  <TASK>
[  213.911315][ T4495]  dump_stack_lvl+0x188/0x250
[  213.916030][ T4495]  ? show_regs_print_info+0x20/0x20
[  213.921254][ T4495]  ? load_image+0x400/0x400
[  213.925794][ T4495]  sysfs_create_dir_ns+0x26a/0x290
[  213.930937][ T4495]  ? sysfs_warn_dup+0xa0/0xa0
[  213.935653][ T4495]  ? do_raw_spin_unlock+0x11d/0x230
[  213.940893][ T4495]  kobject_add_internal+0x6e0/0xd90
[  213.946144][ T4495]  kobject_init_and_add+0x128/0x190
[  213.951372][ T4495]  ? lockdep_softirqs_off+0x430/0x430
[  213.956779][ T4495]  ? kobject_add+0x230/0x230
[  213.961407][ T4495]  ? __init_swait_queue_head+0xa5/0x150
[  213.966985][ T4495]  gfs2_sys_fs_add+0x24f/0x4b0
[  213.971786][ T4495]  ? gfs2_recover_set+0x240/0x240
[  213.976829][ T4495]  ? snprintf+0xe5/0x140
[  213.981075][ T4495]  ? __free_pages+0x95/0x1a0
[  213.985689][ T4495]  ? vscnprintf+0x80/0x80
[  213.990046][ T4495]  gfs2_fill_super+0x120f/0x1f00
[  213.995009][ T4495]  ? gfs2_reconfigure+0xd30/0xd30
[  214.000174][ T4495]  ? sb_set_blocksize+0xa5/0xe0
[  214.005045][ T4495]  get_tree_bdev+0x3f1/0x610
[  214.009650][ T4495]  ? gfs2_reconfigure+0xd30/0xd30
[  214.014683][ T4495]  gfs2_get_tree+0x4d/0x1e0
[  214.019390][ T4495]  vfs_get_tree+0x88/0x270
[  214.023990][ T4495]  do_new_mount+0x24a/0xa40
[  214.028630][ T4495]  __se_sys_mount+0x2e3/0x3d0
[  214.033322][ T4495]  ? __x64_sys_mount+0xc0/0xc0
[  214.038875][ T4495]  ? lockdep_hardirqs_on+0x94/0x140
[  214.044077][ T4495]  ? __x64_sys_mount+0x1c/0xc0
[  214.048844][ T4495]  do_syscall_64+0x4c/0xa0
[  214.053272][ T4495]  ? clear_bhb_loop+0x30/0x80
[  214.057944][ T4495]  ? clear_bhb_loop+0x30/0x80
[  214.062620][ T4495]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  214.068699][ T4495] RIP: 0033:0x7efdc1058a8a
[  214.073131][ T4495] 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
[  214.092824][ T4495] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  214.101244][ T4495] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  214.109231][ T4495] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  214.117199][ T4495] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  214.125180][ T4495] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  214.133156][ T4495] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  214.141672][ T4495]  </TASK>
[  214.145822][ T4495] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  214.159644][ T4495] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
2026/04/23 22:53:44 executed programs: 163
[  214.509780][ T4496] loop1: detected capacity change from 0 to 32768
[  214.564752][ T4496] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  214.573021][ T4496] CPU: 1 PID: 4496 Comm: syz.1.178 Not tainted syzkaller #0
[  214.580345][ T4496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  214.590448][ T4496] Call Trace:
[  214.593755][ T4496]  <TASK>
[  214.596711][ T4496]  dump_stack_lvl+0x188/0x250
[  214.601425][ T4496]  ? show_regs_print_info+0x20/0x20
[  214.606653][ T4496]  ? load_image+0x400/0x400
[  214.611213][ T4496]  sysfs_create_dir_ns+0x26a/0x290
[  214.616427][ T4496]  ? sysfs_warn_dup+0xa0/0xa0
[  214.621143][ T4496]  ? do_raw_spin_unlock+0x11d/0x230
[  214.626383][ T4496]  kobject_add_internal+0x6e0/0xd90
[  214.631625][ T4496]  kobject_init_and_add+0x128/0x190
[  214.636992][ T4496]  ? lockdep_softirqs_off+0x430/0x430
[  214.642415][ T4496]  ? kobject_add+0x230/0x230
[  214.647041][ T4496]  ? __init_swait_queue_head+0xa5/0x150
[  214.652626][ T4496]  gfs2_sys_fs_add+0x24f/0x4b0
[  214.657403][ T4496]  ? gfs2_recover_set+0x240/0x240
[  214.662445][ T4496]  ? snprintf+0xe5/0x140
[  214.666685][ T4496]  ? __free_pages+0x95/0x1a0
[  214.671278][ T4496]  ? vscnprintf+0x80/0x80
[  214.675681][ T4496]  gfs2_fill_super+0x120f/0x1f00
[  214.680648][ T4496]  ? gfs2_reconfigure+0xd30/0xd30
[  214.685690][ T4496]  ? sb_set_blocksize+0xa5/0xe0
[  214.690552][ T4496]  get_tree_bdev+0x3f1/0x610
[  214.695157][ T4496]  ? gfs2_reconfigure+0xd30/0xd30
[  214.700318][ T4496]  gfs2_get_tree+0x4d/0x1e0
[  214.704860][ T4496]  vfs_get_tree+0x88/0x270
[  214.709284][ T4496]  do_new_mount+0x24a/0xa40
[  214.713796][ T4496]  __se_sys_mount+0x2e3/0x3d0
[  214.718478][ T4496]  ? __x64_sys_mount+0xc0/0xc0
[  214.723250][ T4496]  ? lockdep_hardirqs_on+0x94/0x140
[  214.728647][ T4496]  ? __x64_sys_mount+0x1c/0xc0
[  214.733434][ T4496]  do_syscall_64+0x4c/0xa0
[  214.737845][ T4496]  ? clear_bhb_loop+0x30/0x80
[  214.742513][ T4496]  ? clear_bhb_loop+0x30/0x80
[  214.747194][ T4496]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  214.753088][ T4496] RIP: 0033:0x7efdc1058a8a
[  214.757497][ T4496] 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
[  214.777095][ T4496] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  214.785623][ T4496] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  214.793603][ T4496] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  214.801596][ T4496] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  214.809570][ T4496] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  214.817533][ T4496] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  214.825516][ T4496]  </TASK>
[  214.831945][ T4496] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  214.846169][ T4496] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  215.196392][ T4497] loop1: detected capacity change from 0 to 32768
[  215.242987][ T4497] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  215.251976][ T4497] CPU: 0 PID: 4497 Comm: syz.1.179 Not tainted syzkaller #0
[  215.259302][ T4497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  215.269383][ T4497] Call Trace:
[  215.272691][ T4497]  <TASK>
[  215.275869][ T4497]  dump_stack_lvl+0x188/0x250
[  215.280587][ T4497]  ? show_regs_print_info+0x20/0x20
[  215.285827][ T4497]  ? load_image+0x400/0x400
[  215.290368][ T4497]  sysfs_create_dir_ns+0x26a/0x290
[  215.295508][ T4497]  ? sysfs_warn_dup+0xa0/0xa0
[  215.300228][ T4497]  ? do_raw_spin_unlock+0x11d/0x230
[  215.305470][ T4497]  kobject_add_internal+0x6e0/0xd90
[  215.310705][ T4497]  kobject_init_and_add+0x128/0x190
[  215.315933][ T4497]  ? lockdep_softirqs_off+0x430/0x430
[  215.321339][ T4497]  ? kobject_add+0x230/0x230
[  215.325968][ T4497]  ? __init_swait_queue_head+0xa5/0x150
[  215.331582][ T4497]  gfs2_sys_fs_add+0x24f/0x4b0
[  215.336381][ T4497]  ? gfs2_recover_set+0x240/0x240
[  215.341407][ T4497]  ? snprintf+0xe5/0x140
[  215.345643][ T4497]  ? __free_pages+0x95/0x1a0
[  215.350341][ T4497]  ? vscnprintf+0x80/0x80
[  215.354678][ T4497]  gfs2_fill_super+0x120f/0x1f00
[  215.359723][ T4497]  ? gfs2_reconfigure+0xd30/0xd30
[  215.364861][ T4497]  ? sb_set_blocksize+0xa5/0xe0
[  215.369708][ T4497]  get_tree_bdev+0x3f1/0x610
[  215.374297][ T4497]  ? gfs2_reconfigure+0xd30/0xd30
[  215.379319][ T4497]  gfs2_get_tree+0x4d/0x1e0
[  215.383823][ T4497]  vfs_get_tree+0x88/0x270
[  215.388252][ T4497]  do_new_mount+0x24a/0xa40
[  215.392753][ T4497]  __se_sys_mount+0x2e3/0x3d0
[  215.397427][ T4497]  ? __x64_sys_mount+0xc0/0xc0
[  215.402298][ T4497]  ? lockdep_hardirqs_on+0x94/0x140
[  215.407534][ T4497]  ? __x64_sys_mount+0x1c/0xc0
[  215.412343][ T4497]  do_syscall_64+0x4c/0xa0
[  215.416792][ T4497]  ? clear_bhb_loop+0x30/0x80
[  215.421470][ T4497]  ? clear_bhb_loop+0x30/0x80
[  215.426206][ T4497]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  215.432109][ T4497] RIP: 0033:0x7efdc1058a8a
[  215.436535][ T4497] 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
[  215.456147][ T4497] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  215.464567][ T4497] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  215.472540][ T4497] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  215.480537][ T4497] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  215.488509][ T4497] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  215.496481][ T4497] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  215.504455][ T4497]  </TASK>
[  215.508809][ T4497] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  215.522645][ T4497] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  215.863121][ T4498] loop1: detected capacity change from 0 to 32768
[  215.885684][ T4498] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  215.893886][ T4498] CPU: 0 PID: 4498 Comm: syz.1.180 Not tainted syzkaller #0
[  215.901215][ T4498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  215.911406][ T4498] Call Trace:
[  215.914720][ T4498]  <TASK>
[  215.917682][ T4498]  dump_stack_lvl+0x188/0x250
[  215.922400][ T4498]  ? show_regs_print_info+0x20/0x20
[  215.927638][ T4498]  ? load_image+0x400/0x400
[  215.932198][ T4498]  sysfs_create_dir_ns+0x26a/0x290
[  215.937342][ T4498]  ? sysfs_warn_dup+0xa0/0xa0
[  215.942046][ T4498]  ? do_raw_spin_unlock+0x11d/0x230
[  215.947287][ T4498]  kobject_add_internal+0x6e0/0xd90
[  215.952530][ T4498]  kobject_init_and_add+0x128/0x190
[  215.957765][ T4498]  ? lockdep_softirqs_off+0x430/0x430
[  215.963169][ T4498]  ? kobject_add+0x230/0x230
[  215.967793][ T4498]  ? __init_swait_queue_head+0xa5/0x150
[  215.973377][ T4498]  gfs2_sys_fs_add+0x24f/0x4b0
[  215.978256][ T4498]  ? gfs2_recover_set+0x240/0x240
[  215.983282][ T4498]  ? snprintf+0xe5/0x140
[  215.987546][ T4498]  ? __free_pages+0x95/0x1a0
[  215.992227][ T4498]  ? vscnprintf+0x80/0x80
[  215.996564][ T4498]  gfs2_fill_super+0x120f/0x1f00
[  216.001530][ T4498]  ? gfs2_reconfigure+0xd30/0xd30
[  216.006562][ T4498]  ? sb_set_blocksize+0xa5/0xe0
[  216.011412][ T4498]  get_tree_bdev+0x3f1/0x610
[  216.016006][ T4498]  ? gfs2_reconfigure+0xd30/0xd30
[  216.021032][ T4498]  gfs2_get_tree+0x4d/0x1e0
[  216.025536][ T4498]  vfs_get_tree+0x88/0x270
[  216.029961][ T4498]  do_new_mount+0x24a/0xa40
[  216.034471][ T4498]  __se_sys_mount+0x2e3/0x3d0
[  216.039153][ T4498]  ? __x64_sys_mount+0xc0/0xc0
[  216.044088][ T4498]  ? lockdep_hardirqs_on+0x94/0x140
[  216.049294][ T4498]  ? __x64_sys_mount+0x1c/0xc0
[  216.054074][ T4498]  do_syscall_64+0x4c/0xa0
[  216.058524][ T4498]  ? clear_bhb_loop+0x30/0x80
[  216.063202][ T4498]  ? clear_bhb_loop+0x30/0x80
[  216.067878][ T4498]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  216.073768][ T4498] RIP: 0033:0x7efdc1058a8a
[  216.078186][ T4498] 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
[  216.097790][ T4498] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  216.106205][ T4498] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  216.114171][ T4498] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  216.122141][ T4498] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  216.130107][ T4498] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  216.138069][ T4498] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  216.146056][ T4498]  </TASK>
[  216.150904][ T4498] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  216.165125][ T4498] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  216.533775][ T4499] loop1: detected capacity change from 0 to 32768
[  216.582520][ T4499] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  216.592072][ T4499] CPU: 0 PID: 4499 Comm: syz.1.181 Not tainted syzkaller #0
[  216.599421][ T4499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  216.609594][ T4499] Call Trace:
[  216.612903][ T4499]  <TASK>
[  216.615882][ T4499]  dump_stack_lvl+0x188/0x250
[  216.620598][ T4499]  ? show_regs_print_info+0x20/0x20
[  216.625839][ T4499]  ? load_image+0x400/0x400
[  216.630385][ T4499]  sysfs_create_dir_ns+0x26a/0x290
[  216.635622][ T4499]  ? sysfs_warn_dup+0xa0/0xa0
[  216.640331][ T4499]  ? do_raw_spin_unlock+0x11d/0x230
[  216.645572][ T4499]  kobject_add_internal+0x6e0/0xd90
[  216.650814][ T4499]  kobject_init_and_add+0x128/0x190
[  216.656040][ T4499]  ? lockdep_softirqs_off+0x430/0x430
[  216.661450][ T4499]  ? kobject_add+0x230/0x230
[  216.666074][ T4499]  ? __init_swait_queue_head+0xa5/0x150
[  216.671656][ T4499]  gfs2_sys_fs_add+0x24f/0x4b0
[  216.676454][ T4499]  ? gfs2_recover_set+0x240/0x240
[  216.681498][ T4499]  ? snprintf+0xe5/0x140
[  216.685737][ T4499]  ? __free_pages+0x95/0x1a0
[  216.690325][ T4499]  ? vscnprintf+0x80/0x80
[  216.694773][ T4499]  gfs2_fill_super+0x120f/0x1f00
[  216.699751][ T4499]  ? gfs2_reconfigure+0xd30/0xd30
[  216.704821][ T4499]  ? sb_set_blocksize+0xa5/0xe0
[  216.709676][ T4499]  get_tree_bdev+0x3f1/0x610
[  216.714273][ T4499]  ? gfs2_reconfigure+0xd30/0xd30
[  216.719309][ T4499]  gfs2_get_tree+0x4d/0x1e0
[  216.723810][ T4499]  vfs_get_tree+0x88/0x270
[  216.728230][ T4499]  do_new_mount+0x24a/0xa40
[  216.732733][ T4499]  __se_sys_mount+0x2e3/0x3d0
[  216.737409][ T4499]  ? __x64_sys_mount+0xc0/0xc0
[  216.742195][ T4499]  ? lockdep_hardirqs_on+0x94/0x140
[  216.747395][ T4499]  ? __x64_sys_mount+0x1c/0xc0
[  216.752175][ T4499]  do_syscall_64+0x4c/0xa0
[  216.756616][ T4499]  ? clear_bhb_loop+0x30/0x80
[  216.761401][ T4499]  ? clear_bhb_loop+0x30/0x80
[  216.766089][ T4499]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  216.771998][ T4499] RIP: 0033:0x7efdc1058a8a
[  216.776415][ T4499] 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
[  216.796020][ T4499] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  216.804437][ T4499] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  216.812410][ T4499] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  216.820412][ T4499] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  216.828462][ T4499] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  216.836428][ T4499] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  216.844405][ T4499]  </TASK>
[  216.848660][ T4499] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  216.862454][ T4499] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  217.249648][ T4500] loop1: detected capacity change from 0 to 32768
[  217.305467][ T4500] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  217.314066][ T4500] CPU: 1 PID: 4500 Comm: syz.1.182 Not tainted syzkaller #0
[  217.321481][ T4500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  217.331656][ T4500] Call Trace:
[  217.334962][ T4500]  <TASK>
[  217.337919][ T4500]  dump_stack_lvl+0x188/0x250
[  217.342644][ T4500]  ? show_regs_print_info+0x20/0x20
[  217.347877][ T4500]  ? load_image+0x400/0x400
[  217.352423][ T4500]  sysfs_create_dir_ns+0x26a/0x290
[  217.357570][ T4500]  ? sysfs_warn_dup+0xa0/0xa0
[  217.362292][ T4500]  ? do_raw_spin_unlock+0x11d/0x230
[  217.367531][ T4500]  kobject_add_internal+0x6e0/0xd90
[  217.372771][ T4500]  kobject_init_and_add+0x128/0x190
[  217.378001][ T4500]  ? lockdep_softirqs_off+0x430/0x430
[  217.383415][ T4500]  ? kobject_add+0x230/0x230
[  217.388041][ T4500]  ? __init_swait_queue_head+0xa5/0x150
[  217.393618][ T4500]  gfs2_sys_fs_add+0x24f/0x4b0
[  217.398385][ T4500]  ? gfs2_recover_set+0x240/0x240
[  217.403407][ T4500]  ? snprintf+0xe5/0x140
[  217.407642][ T4500]  ? __free_pages+0x95/0x1a0
[  217.412228][ T4500]  ? vscnprintf+0x80/0x80
[  217.416556][ T4500]  gfs2_fill_super+0x120f/0x1f00
[  217.421500][ T4500]  ? gfs2_reconfigure+0xd30/0xd30
[  217.426525][ T4500]  ? sb_set_blocksize+0xa5/0xe0
[  217.431382][ T4500]  get_tree_bdev+0x3f1/0x610
[  217.435989][ T4500]  ? gfs2_reconfigure+0xd30/0xd30
[  217.441022][ T4500]  gfs2_get_tree+0x4d/0x1e0
[  217.445524][ T4500]  vfs_get_tree+0x88/0x270
[  217.449944][ T4500]  do_new_mount+0x24a/0xa40
[  217.454467][ T4500]  __se_sys_mount+0x2e3/0x3d0
[  217.459148][ T4500]  ? __x64_sys_mount+0xc0/0xc0
[  217.463903][ T4500]  ? lockdep_hardirqs_on+0x94/0x140
[  217.469106][ T4500]  ? __x64_sys_mount+0x1c/0xc0
[  217.473866][ T4500]  do_syscall_64+0x4c/0xa0
[  217.478278][ T4500]  ? clear_bhb_loop+0x30/0x80
[  217.482957][ T4500]  ? clear_bhb_loop+0x30/0x80
[  217.487625][ T4500]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  217.493518][ T4500] RIP: 0033:0x7efdc1058a8a
[  217.497929][ T4500] 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
[  217.517531][ T4500] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  217.525944][ T4500] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  217.533912][ T4500] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  217.541878][ T4500] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  217.549852][ T4500] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  217.557837][ T4500] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  217.565823][ T4500]  </TASK>
[  217.570500][ T4500] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  217.584489][ T4500] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  217.932976][ T4501] loop1: detected capacity change from 0 to 32768
[  217.952965][ T4501] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  217.969736][ T4501] CPU: 0 PID: 4501 Comm: syz.1.183 Not tainted syzkaller #0
[  217.977088][ T4501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  217.987369][ T4501] Call Trace:
[  217.990683][ T4501]  <TASK>
[  217.994435][ T4501]  dump_stack_lvl+0x188/0x250
[  217.999159][ T4501]  ? show_regs_print_info+0x20/0x20
[  218.004391][ T4501]  ? load_image+0x400/0x400
[  218.009015][ T4501]  sysfs_create_dir_ns+0x26a/0x290
[  218.014169][ T4501]  ? sysfs_warn_dup+0xa0/0xa0
[  218.018899][ T4501]  ? do_raw_spin_unlock+0x11d/0x230
[  218.024749][ T4501]  kobject_add_internal+0x6e0/0xd90
[  218.030078][ T4501]  kobject_init_and_add+0x128/0x190
[  218.035319][ T4501]  ? lockdep_softirqs_off+0x430/0x430
[  218.040730][ T4501]  ? kobject_add+0x230/0x230
[  218.045444][ T4501]  ? __init_swait_queue_head+0xa5/0x150
[  218.051025][ T4501]  gfs2_sys_fs_add+0x24f/0x4b0
[  218.055812][ T4501]  ? gfs2_recover_set+0x240/0x240
[  218.060853][ T4501]  ? snprintf+0xe5/0x140
[  218.065088][ T4501]  ? __free_pages+0x95/0x1a0
[  218.069765][ T4501]  ? vscnprintf+0x80/0x80
[  218.074094][ T4501]  gfs2_fill_super+0x120f/0x1f00
[  218.079051][ T4501]  ? gfs2_reconfigure+0xd30/0xd30
[  218.084166][ T4501]  ? sb_set_blocksize+0xa5/0xe0
[  218.089016][ T4501]  get_tree_bdev+0x3f1/0x610
[  218.093599][ T4501]  ? gfs2_reconfigure+0xd30/0xd30
[  218.098620][ T4501]  gfs2_get_tree+0x4d/0x1e0
[  218.103421][ T4501]  vfs_get_tree+0x88/0x270
[  218.107853][ T4501]  do_new_mount+0x24a/0xa40
[  218.112373][ T4501]  __se_sys_mount+0x2e3/0x3d0
[  218.117073][ T4501]  ? __x64_sys_mount+0xc0/0xc0
[  218.122370][ T4501]  ? lockdep_hardirqs_on+0x94/0x140
[  218.127569][ T4501]  ? __x64_sys_mount+0x1c/0xc0
[  218.132331][ T4501]  do_syscall_64+0x4c/0xa0
[  218.136750][ T4501]  ? clear_bhb_loop+0x30/0x80
[  218.141611][ T4501]  ? clear_bhb_loop+0x30/0x80
[  218.146282][ T4501]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  218.152177][ T4501] RIP: 0033:0x7efdc1058a8a
[  218.156592][ T4501] 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
[  218.176713][ T4501] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.185130][ T4501] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  218.193187][ T4501] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  218.201237][ T4501] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  218.209211][ T4501] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  218.217455][ T4501] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  218.225439][ T4501]  </TASK>
[  218.230108][ T4501] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  218.244013][ T4501] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  218.584855][ T4502] loop1: detected capacity change from 0 to 32768
[  218.634265][ T4502] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  218.642508][ T4502] CPU: 0 PID: 4502 Comm: syz.1.184 Not tainted syzkaller #0
[  218.649833][ T4502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  218.659918][ T4502] Call Trace:
[  218.663226][ T4502]  <TASK>
[  218.666177][ T4502]  dump_stack_lvl+0x188/0x250
[  218.670888][ T4502]  ? show_regs_print_info+0x20/0x20
[  218.676220][ T4502]  ? load_image+0x400/0x400
[  218.680796][ T4502]  sysfs_create_dir_ns+0x26a/0x290
[  218.685978][ T4502]  ? sysfs_warn_dup+0xa0/0xa0
[  218.690691][ T4502]  ? do_raw_spin_unlock+0x11d/0x230
[  218.695927][ T4502]  kobject_add_internal+0x6e0/0xd90
[  218.701161][ T4502]  kobject_init_and_add+0x128/0x190
[  218.706382][ T4502]  ? lockdep_softirqs_off+0x430/0x430
[  218.711787][ T4502]  ? kobject_add+0x230/0x230
[  218.716685][ T4502]  ? __init_swait_queue_head+0xa5/0x150
[  218.722267][ T4502]  gfs2_sys_fs_add+0x24f/0x4b0
[  218.727076][ T4502]  ? gfs2_recover_set+0x240/0x240
[  218.732091][ T4502]  ? snprintf+0xe5/0x140
[  218.736328][ T4502]  ? __free_pages+0x95/0x1a0
[  218.740912][ T4502]  ? vscnprintf+0x80/0x80
[  218.745237][ T4502]  gfs2_fill_super+0x120f/0x1f00
[  218.750188][ T4502]  ? gfs2_reconfigure+0xd30/0xd30
[  218.755241][ T4502]  ? sb_set_blocksize+0xa5/0xe0
[  218.760087][ T4502]  get_tree_bdev+0x3f1/0x610
[  218.764763][ T4502]  ? gfs2_reconfigure+0xd30/0xd30
[  218.769817][ T4502]  gfs2_get_tree+0x4d/0x1e0
[  218.774324][ T4502]  vfs_get_tree+0x88/0x270
[  218.778755][ T4502]  do_new_mount+0x24a/0xa40
[  218.783273][ T4502]  __se_sys_mount+0x2e3/0x3d0
[  218.787967][ T4502]  ? __x64_sys_mount+0xc0/0xc0
[  218.792738][ T4502]  ? lockdep_hardirqs_on+0x94/0x140
[  218.797935][ T4502]  ? __x64_sys_mount+0x1c/0xc0
[  218.802699][ T4502]  do_syscall_64+0x4c/0xa0
[  218.807119][ T4502]  ? clear_bhb_loop+0x30/0x80
[  218.811800][ T4502]  ? clear_bhb_loop+0x30/0x80
[  218.816480][ T4502]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  218.822374][ T4502] RIP: 0033:0x7efdc1058a8a
[  218.826794][ T4502] 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
[  218.846400][ T4502] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.854814][ T4502] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  218.862785][ T4502] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  218.870750][ T4502] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  218.879167][ T4502] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  218.887144][ T4502] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  218.895125][ T4502]  </TASK>
[  218.899719][ T4502] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  218.913825][ T4502] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  219.308457][ T4503] loop1: detected capacity change from 0 to 32768
[  219.342537][ T4503] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  219.351630][ T4503] CPU: 0 PID: 4503 Comm: syz.1.185 Not tainted syzkaller #0
[  219.358965][ T4503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  219.369051][ T4503] Call Trace:
[  219.372369][ T4503]  <TASK>
[  219.375324][ T4503]  dump_stack_lvl+0x188/0x250
[  219.380046][ T4503]  ? show_regs_print_info+0x20/0x20
[  219.385280][ T4503]  ? load_image+0x400/0x400
[  219.389909][ T4503]  sysfs_create_dir_ns+0x26a/0x290
[  219.395054][ T4503]  ? sysfs_warn_dup+0xa0/0xa0
[  219.399765][ T4503]  ? do_raw_spin_unlock+0x11d/0x230
[  219.405001][ T4503]  kobject_add_internal+0x6e0/0xd90
[  219.410241][ T4503]  kobject_init_and_add+0x128/0x190
[  219.415467][ T4503]  ? lockdep_softirqs_off+0x430/0x430
[  219.420872][ T4503]  ? kobject_add+0x230/0x230
[  219.425496][ T4503]  ? __init_swait_queue_head+0xa5/0x150
[  219.431085][ T4503]  gfs2_sys_fs_add+0x24f/0x4b0
[  219.435884][ T4503]  ? gfs2_recover_set+0x240/0x240
[  219.440938][ T4503]  ? snprintf+0xe5/0x140
[  219.445204][ T4503]  ? __free_pages+0x95/0x1a0
[  219.449797][ T4503]  ? vscnprintf+0x80/0x80
[  219.454131][ T4503]  gfs2_fill_super+0x120f/0x1f00
[  219.459084][ T4503]  ? gfs2_reconfigure+0xd30/0xd30
[  219.464117][ T4503]  ? sb_set_blocksize+0xa5/0xe0
[  219.468978][ T4503]  get_tree_bdev+0x3f1/0x610
[  219.473579][ T4503]  ? gfs2_reconfigure+0xd30/0xd30
[  219.478601][ T4503]  gfs2_get_tree+0x4d/0x1e0
[  219.483185][ T4503]  vfs_get_tree+0x88/0x270
[  219.487610][ T4503]  do_new_mount+0x24a/0xa40
[  219.492107][ T4503]  __se_sys_mount+0x2e3/0x3d0
[  219.496785][ T4503]  ? __x64_sys_mount+0xc0/0xc0
[  219.501556][ T4503]  ? lockdep_hardirqs_on+0x94/0x140
[  219.506750][ T4503]  ? __x64_sys_mount+0x1c/0xc0
[  219.511514][ T4503]  do_syscall_64+0x4c/0xa0
[  219.515945][ T4503]  ? clear_bhb_loop+0x30/0x80
[  219.520613][ T4503]  ? clear_bhb_loop+0x30/0x80
[  219.525377][ T4503]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  219.531270][ T4503] RIP: 0033:0x7efdc1058a8a
[  219.535694][ T4503] 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
[  219.555332][ T4503] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  219.563754][ T4503] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  219.571720][ T4503] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  219.579692][ T4503] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  219.587655][ T4503] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  219.595620][ T4503] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  219.603607][ T4503]  </TASK>
[  219.607874][ T4503] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  219.621691][ T4503] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
2026/04/23 22:53:49 executed programs: 171
[  219.980528][ T4504] loop1: detected capacity change from 0 to 32768
[  220.040492][ T4504] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  220.048889][ T4504] CPU: 0 PID: 4504 Comm: syz.1.186 Not tainted syzkaller #0
[  220.056333][ T4504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  220.066422][ T4504] Call Trace:
[  220.069731][ T4504]  <TASK>
[  220.072687][ T4504]  dump_stack_lvl+0x188/0x250
[  220.077398][ T4504]  ? show_regs_print_info+0x20/0x20
[  220.082625][ T4504]  ? load_image+0x400/0x400
[  220.087263][ T4504]  sysfs_create_dir_ns+0x26a/0x290
[  220.092618][ T4504]  ? sysfs_warn_dup+0xa0/0xa0
[  220.097326][ T4504]  ? do_raw_spin_unlock+0x11d/0x230
[  220.102561][ T4504]  kobject_add_internal+0x6e0/0xd90
[  220.107893][ T4504]  kobject_init_and_add+0x128/0x190
[  220.113124][ T4504]  ? lockdep_softirqs_off+0x430/0x430
[  220.118532][ T4504]  ? kobject_add+0x230/0x230
[  220.123156][ T4504]  ? __init_swait_queue_head+0xa5/0x150
[  220.128736][ T4504]  gfs2_sys_fs_add+0x24f/0x4b0
[  220.133962][ T4504]  ? gfs2_recover_set+0x240/0x240
[  220.138987][ T4504]  ? snprintf+0xe5/0x140
[  220.143222][ T4504]  ? __free_pages+0x95/0x1a0
[  220.147811][ T4504]  ? vscnprintf+0x80/0x80
[  220.152144][ T4504]  gfs2_fill_super+0x120f/0x1f00
[  220.157088][ T4504]  ? gfs2_reconfigure+0xd30/0xd30
[  220.162117][ T4504]  ? sb_set_blocksize+0xa5/0xe0
[  220.166969][ T4504]  get_tree_bdev+0x3f1/0x610
[  220.171554][ T4504]  ? gfs2_reconfigure+0xd30/0xd30
[  220.176676][ T4504]  gfs2_get_tree+0x4d/0x1e0
[  220.181191][ T4504]  vfs_get_tree+0x88/0x270
[  220.185605][ T4504]  do_new_mount+0x24a/0xa40
[  220.190108][ T4504]  __se_sys_mount+0x2e3/0x3d0
[  220.194790][ T4504]  ? __x64_sys_mount+0xc0/0xc0
[  220.199560][ T4504]  ? lockdep_hardirqs_on+0x94/0x140
[  220.204776][ T4504]  ? __x64_sys_mount+0x1c/0xc0
[  220.209545][ T4504]  do_syscall_64+0x4c/0xa0
[  220.213973][ T4504]  ? clear_bhb_loop+0x30/0x80
[  220.218656][ T4504]  ? clear_bhb_loop+0x30/0x80
[  220.223343][ T4504]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  220.229241][ T4504] RIP: 0033:0x7efdc1058a8a
[  220.233656][ T4504] 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
[  220.253259][ T4504] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.261755][ T4504] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  220.269828][ T4504] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  220.277923][ T4504] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  220.285900][ T4504] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  220.293871][ T4504] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  220.301855][ T4504]  </TASK>
[  220.306390][ T4504] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  220.320385][ T4504] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  220.666531][ T4505] loop1: detected capacity change from 0 to 32768
[  220.712284][ T4505] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  220.723860][ T4505] CPU: 0 PID: 4505 Comm: syz.1.187 Not tainted syzkaller #0
[  220.731200][ T4505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  220.741285][ T4505] Call Trace:
[  220.744587][ T4505]  <TASK>
[  220.747553][ T4505]  dump_stack_lvl+0x188/0x250
[  220.752264][ T4505]  ? show_regs_print_info+0x20/0x20
[  220.757492][ T4505]  ? load_image+0x400/0x400
[  220.762049][ T4505]  sysfs_create_dir_ns+0x26a/0x290
[  220.767196][ T4505]  ? sysfs_warn_dup+0xa0/0xa0
[  220.772035][ T4505]  ? do_raw_spin_unlock+0x11d/0x230
[  220.777268][ T4505]  kobject_add_internal+0x6e0/0xd90
[  220.782515][ T4505]  kobject_init_and_add+0x128/0x190
[  220.787758][ T4505]  ? lockdep_softirqs_off+0x430/0x430
[  220.793165][ T4505]  ? kobject_add+0x230/0x230
[  220.797792][ T4505]  ? __init_swait_queue_head+0xa5/0x150
[  220.803368][ T4505]  gfs2_sys_fs_add+0x24f/0x4b0
[  220.808161][ T4505]  ? gfs2_recover_set+0x240/0x240
[  220.813309][ T4505]  ? snprintf+0xe5/0x140
[  220.817555][ T4505]  ? __free_pages+0x95/0x1a0
[  220.822158][ T4505]  ? vscnprintf+0x80/0x80
[  220.826489][ T4505]  gfs2_fill_super+0x120f/0x1f00
[  220.831437][ T4505]  ? gfs2_reconfigure+0xd30/0xd30
[  220.836475][ T4505]  ? sb_set_blocksize+0xa5/0xe0
[  220.841329][ T4505]  get_tree_bdev+0x3f1/0x610
[  220.845932][ T4505]  ? gfs2_reconfigure+0xd30/0xd30
[  220.850952][ T4505]  gfs2_get_tree+0x4d/0x1e0
[  220.855455][ T4505]  vfs_get_tree+0x88/0x270
[  220.859889][ T4505]  do_new_mount+0x24a/0xa40
[  220.864392][ T4505]  __se_sys_mount+0x2e3/0x3d0
[  220.869068][ T4505]  ? __x64_sys_mount+0xc0/0xc0
[  220.873843][ T4505]  ? lockdep_hardirqs_on+0x94/0x140
[  220.879046][ T4505]  ? __x64_sys_mount+0x1c/0xc0
[  220.883802][ T4505]  do_syscall_64+0x4c/0xa0
[  220.888323][ T4505]  ? clear_bhb_loop+0x30/0x80
[  220.893011][ T4505]  ? clear_bhb_loop+0x30/0x80
[  220.897693][ T4505]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  220.903833][ T4505] RIP: 0033:0x7efdc1058a8a
[  220.908353][ T4505] 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
[  220.927959][ T4505] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.936377][ T4505] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  220.944373][ T4505] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  220.952357][ T4505] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  220.960338][ T4505] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  220.968311][ T4505] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  220.976318][ T4505]  </TASK>
[  220.980899][ T4505] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  220.994853][ T4505] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  221.358056][ T4506] loop1: detected capacity change from 0 to 32768
[  221.411970][ T4506] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  221.420993][ T4506] CPU: 0 PID: 4506 Comm: syz.1.188 Not tainted syzkaller #0
[  221.428368][ T4506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  221.438624][ T4506] Call Trace:
[  221.441929][ T4506]  <TASK>
[  221.444883][ T4506]  dump_stack_lvl+0x188/0x250
[  221.449591][ T4506]  ? show_regs_print_info+0x20/0x20
[  221.454816][ T4506]  ? load_image+0x400/0x400
[  221.459372][ T4506]  sysfs_create_dir_ns+0x26a/0x290
[  221.464529][ T4506]  ? sysfs_warn_dup+0xa0/0xa0
[  221.469242][ T4506]  ? do_raw_spin_unlock+0x11d/0x230
[  221.474469][ T4506]  kobject_add_internal+0x6e0/0xd90
[  221.479707][ T4506]  kobject_init_and_add+0x128/0x190
[  221.484940][ T4506]  ? lockdep_softirqs_off+0x430/0x430
[  221.490452][ T4506]  ? kobject_add+0x230/0x230
[  221.495184][ T4506]  ? __init_swait_queue_head+0xa5/0x150
[  221.500761][ T4506]  gfs2_sys_fs_add+0x24f/0x4b0
[  221.505537][ T4506]  ? gfs2_recover_set+0x240/0x240
[  221.510556][ T4506]  ? snprintf+0xe5/0x140
[  221.514795][ T4506]  ? __free_pages+0x95/0x1a0
[  221.519469][ T4506]  ? vscnprintf+0x80/0x80
[  221.523809][ T4506]  gfs2_fill_super+0x120f/0x1f00
[  221.528765][ T4506]  ? gfs2_reconfigure+0xd30/0xd30
[  221.533812][ T4506]  ? sb_set_blocksize+0xa5/0xe0
[  221.538674][ T4506]  get_tree_bdev+0x3f1/0x610
[  221.543260][ T4506]  ? gfs2_reconfigure+0xd30/0xd30
[  221.548283][ T4506]  gfs2_get_tree+0x4d/0x1e0
[  221.552912][ T4506]  vfs_get_tree+0x88/0x270
[  221.557342][ T4506]  do_new_mount+0x24a/0xa40
[  221.561854][ T4506]  __se_sys_mount+0x2e3/0x3d0
[  221.566575][ T4506]  ? __x64_sys_mount+0xc0/0xc0
[  221.571341][ T4506]  ? lockdep_hardirqs_on+0x94/0x140
[  221.576537][ T4506]  ? __x64_sys_mount+0x1c/0xc0
[  221.581352][ T4506]  do_syscall_64+0x4c/0xa0
[  221.585793][ T4506]  ? clear_bhb_loop+0x30/0x80
[  221.590479][ T4506]  ? clear_bhb_loop+0x30/0x80
[  221.595155][ T4506]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  221.601051][ T4506] RIP: 0033:0x7efdc1058a8a
[  221.605472][ T4506] 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
[  221.625166][ T4506] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  221.633754][ T4506] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  221.641726][ T4506] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  221.649720][ T4506] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  221.657687][ T4506] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  221.665658][ T4506] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  221.673648][ T4506]  </TASK>
[  221.678438][ T4506] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  221.692438][ T4506] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  222.064766][ T4507] loop1: detected capacity change from 0 to 32768
[  222.115557][ T4507] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  222.129584][ T4507] CPU: 1 PID: 4507 Comm: syz.1.189 Not tainted syzkaller #0
[  222.136921][ T4507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  222.147007][ T4507] Call Trace:
[  222.150326][ T4507]  <TASK>
[  222.153293][ T4507]  dump_stack_lvl+0x188/0x250
[  222.158005][ T4507]  ? show_regs_print_info+0x20/0x20
[  222.163233][ T4507]  ? load_image+0x400/0x400
[  222.167797][ T4507]  sysfs_create_dir_ns+0x26a/0x290
[  222.172980][ T4507]  ? sysfs_warn_dup+0xa0/0xa0
[  222.177692][ T4507]  ? do_raw_spin_unlock+0x11d/0x230
[  222.182931][ T4507]  kobject_add_internal+0x6e0/0xd90
[  222.188519][ T4507]  kobject_init_and_add+0x128/0x190
[  222.193756][ T4507]  ? lockdep_softirqs_off+0x430/0x430
[  222.199161][ T4507]  ? kobject_add+0x230/0x230
[  222.203787][ T4507]  ? __init_swait_queue_head+0xa5/0x150
[  222.209446][ T4507]  gfs2_sys_fs_add+0x24f/0x4b0
[  222.214307][ T4507]  ? gfs2_recover_set+0x240/0x240
[  222.219360][ T4507]  ? snprintf+0xe5/0x140
[  222.223727][ T4507]  ? __free_pages+0x95/0x1a0
[  222.228332][ T4507]  ? vscnprintf+0x80/0x80
[  222.232761][ T4507]  gfs2_fill_super+0x120f/0x1f00
[  222.237711][ T4507]  ? gfs2_reconfigure+0xd30/0xd30
[  222.242744][ T4507]  ? sb_set_blocksize+0xa5/0xe0
[  222.247594][ T4507]  get_tree_bdev+0x3f1/0x610
[  222.252182][ T4507]  ? gfs2_reconfigure+0xd30/0xd30
[  222.257376][ T4507]  gfs2_get_tree+0x4d/0x1e0
[  222.261898][ T4507]  vfs_get_tree+0x88/0x270
[  222.266335][ T4507]  do_new_mount+0x24a/0xa40
[  222.270838][ T4507]  __se_sys_mount+0x2e3/0x3d0
[  222.275515][ T4507]  ? __x64_sys_mount+0xc0/0xc0
[  222.280306][ T4507]  ? lockdep_hardirqs_on+0x94/0x140
[  222.285633][ T4507]  ? __x64_sys_mount+0x1c/0xc0
[  222.290428][ T4507]  do_syscall_64+0x4c/0xa0
[  222.294927][ T4507]  ? clear_bhb_loop+0x30/0x80
[  222.299783][ T4507]  ? clear_bhb_loop+0x30/0x80
[  222.304564][ T4507]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  222.310456][ T4507] RIP: 0033:0x7efdc1058a8a
[  222.314894][ T4507] 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
[  222.334496][ T4507] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.342908][ T4507] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  222.350979][ T4507] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  222.358944][ T4507] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  222.366916][ T4507] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  222.374880][ T4507] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  222.382858][ T4507]  </TASK>
[  222.390631][ T4507] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  222.405096][ T4507] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  222.763760][ T4508] loop1: detected capacity change from 0 to 32768
[  222.783209][ T4508] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  222.792206][ T4508] CPU: 1 PID: 4508 Comm: syz.1.190 Not tainted syzkaller #0
[  222.799543][ T4508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  222.809806][ T4508] Call Trace:
[  222.813376][ T4508]  <TASK>
[  222.816338][ T4508]  dump_stack_lvl+0x188/0x250
[  222.821058][ T4508]  ? show_regs_print_info+0x20/0x20
[  222.826302][ T4508]  ? load_image+0x400/0x400
[  222.830850][ T4508]  sysfs_create_dir_ns+0x26a/0x290
[  222.836085][ T4508]  ? sysfs_warn_dup+0xa0/0xa0
[  222.840802][ T4508]  ? do_raw_spin_unlock+0x11d/0x230
[  222.846035][ T4508]  kobject_add_internal+0x6e0/0xd90
[  222.851275][ T4508]  kobject_init_and_add+0x128/0x190
[  222.856505][ T4508]  ? lockdep_softirqs_off+0x430/0x430
[  222.861905][ T4508]  ? kobject_add+0x230/0x230
[  222.866524][ T4508]  ? __init_swait_queue_head+0xa5/0x150
[  222.872076][ T4508]  gfs2_sys_fs_add+0x24f/0x4b0
[  222.876834][ T4508]  ? gfs2_recover_set+0x240/0x240
[  222.881849][ T4508]  ? snprintf+0xe5/0x140
[  222.886095][ T4508]  ? __free_pages+0x95/0x1a0
[  222.890693][ T4508]  ? vscnprintf+0x80/0x80
[  222.895020][ T4508]  gfs2_fill_super+0x120f/0x1f00
[  222.899962][ T4508]  ? gfs2_reconfigure+0xd30/0xd30
[  222.904991][ T4508]  ? sb_set_blocksize+0xa5/0xe0
[  222.909837][ T4508]  get_tree_bdev+0x3f1/0x610
[  222.914531][ T4508]  ? gfs2_reconfigure+0xd30/0xd30
[  222.919560][ T4508]  gfs2_get_tree+0x4d/0x1e0
[  222.924086][ T4508]  vfs_get_tree+0x88/0x270
[  222.928501][ T4508]  do_new_mount+0x24a/0xa40
[  222.933003][ T4508]  __se_sys_mount+0x2e3/0x3d0
[  222.937674][ T4508]  ? __x64_sys_mount+0xc0/0xc0
[  222.942435][ T4508]  ? lockdep_hardirqs_on+0x94/0x140
[  222.947626][ T4508]  ? __x64_sys_mount+0x1c/0xc0
[  222.952380][ T4508]  do_syscall_64+0x4c/0xa0
[  222.956791][ T4508]  ? clear_bhb_loop+0x30/0x80
[  222.961467][ T4508]  ? clear_bhb_loop+0x30/0x80
[  222.966154][ T4508]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  222.972052][ T4508] RIP: 0033:0x7efdc1058a8a
[  222.976484][ T4508] 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
[  222.996093][ T4508] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.004505][ T4508] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  223.012480][ T4508] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  223.020457][ T4508] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  223.028517][ T4508] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  223.036494][ T4508] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  223.044655][ T4508]  </TASK>
[  223.049177][ T4508] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  223.063282][ T4508] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  223.443298][ T4509] loop1: detected capacity change from 0 to 32768
[  223.462283][ T4509] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  223.480925][ T4509] CPU: 1 PID: 4509 Comm: syz.1.191 Not tainted syzkaller #0
[  223.488282][ T4509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  223.498369][ T4509] Call Trace:
[  223.501676][ T4509]  <TASK>
[  223.504631][ T4509]  dump_stack_lvl+0x188/0x250
[  223.509387][ T4509]  ? show_regs_print_info+0x20/0x20
[  223.514704][ T4509]  ? load_image+0x400/0x400
[  223.519356][ T4509]  sysfs_create_dir_ns+0x26a/0x290
[  223.525059][ T4509]  ? sysfs_warn_dup+0xa0/0xa0
[  223.529857][ T4509]  ? do_raw_spin_unlock+0x11d/0x230
[  223.535205][ T4509]  kobject_add_internal+0x6e0/0xd90
[  223.540454][ T4509]  kobject_init_and_add+0x128/0x190
[  223.545694][ T4509]  ? lockdep_softirqs_off+0x430/0x430
[  223.551103][ T4509]  ? kobject_add+0x230/0x230
[  223.555924][ T4509]  ? __init_swait_queue_head+0xa5/0x150
[  223.561502][ T4509]  gfs2_sys_fs_add+0x24f/0x4b0
[  223.566282][ T4509]  ? gfs2_recover_set+0x240/0x240
[  223.571313][ T4509]  ? snprintf+0xe5/0x140
[  223.575552][ T4509]  ? __free_pages+0x95/0x1a0
[  223.580159][ T4509]  ? vscnprintf+0x80/0x80
[  223.584517][ T4509]  gfs2_fill_super+0x120f/0x1f00
[  223.589688][ T4509]  ? gfs2_reconfigure+0xd30/0xd30
[  223.594844][ T4509]  ? sb_set_blocksize+0xa5/0xe0
[  223.599708][ T4509]  get_tree_bdev+0x3f1/0x610
[  223.604330][ T4509]  ? gfs2_reconfigure+0xd30/0xd30
[  223.609383][ T4509]  gfs2_get_tree+0x4d/0x1e0
[  223.614008][ T4509]  vfs_get_tree+0x88/0x270
[  223.618439][ T4509]  do_new_mount+0x24a/0xa40
[  223.622967][ T4509]  __se_sys_mount+0x2e3/0x3d0
[  223.627653][ T4509]  ? __x64_sys_mount+0xc0/0xc0
[  223.632441][ T4509]  ? lockdep_hardirqs_on+0x94/0x140
[  223.637757][ T4509]  ? __x64_sys_mount+0x1c/0xc0
[  223.642526][ T4509]  do_syscall_64+0x4c/0xa0
[  223.646947][ T4509]  ? clear_bhb_loop+0x30/0x80
[  223.651644][ T4509]  ? clear_bhb_loop+0x30/0x80
[  223.656443][ T4509]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  223.662375][ T4509] RIP: 0033:0x7efdc1058a8a
[  223.666809][ T4509] 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
[  223.686422][ T4509] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.694843][ T4509] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  223.702938][ T4509] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  223.710927][ T4509] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  223.718907][ T4509] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  223.726897][ T4509] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  223.735149][ T4509]  </TASK>
[  223.739903][ T4509] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  223.753726][ T4509] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  224.097927][ T4510] loop1: detected capacity change from 0 to 32768
[  224.108279][ T4510] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  224.119668][ T4510] CPU: 1 PID: 4510 Comm: syz.1.192 Not tainted syzkaller #0
[  224.126988][ T4510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  224.137082][ T4510] Call Trace:
[  224.140391][ T4510]  <TASK>
[  224.143349][ T4510]  dump_stack_lvl+0x188/0x250
[  224.148057][ T4510]  ? show_regs_print_info+0x20/0x20
[  224.153287][ T4510]  ? load_image+0x400/0x400
[  224.157830][ T4510]  sysfs_create_dir_ns+0x26a/0x290
[  224.163053][ T4510]  ? sysfs_warn_dup+0xa0/0xa0
[  224.167731][ T4510]  ? do_raw_spin_unlock+0x11d/0x230
[  224.172929][ T4510]  kobject_add_internal+0x6e0/0xd90
[  224.178268][ T4510]  kobject_init_and_add+0x128/0x190
[  224.183465][ T4510]  ? lockdep_softirqs_off+0x430/0x430
[  224.188835][ T4510]  ? kobject_add+0x230/0x230
[  224.193446][ T4510]  ? __init_swait_queue_head+0xa5/0x150
[  224.199009][ T4510]  gfs2_sys_fs_add+0x24f/0x4b0
[  224.203781][ T4510]  ? gfs2_recover_set+0x240/0x240
[  224.208814][ T4510]  ? snprintf+0xe5/0x140
[  224.213053][ T4510]  ? __free_pages+0x95/0x1a0
[  224.217651][ T4510]  ? vscnprintf+0x80/0x80
[  224.221990][ T4510]  gfs2_fill_super+0x120f/0x1f00
[  224.226948][ T4510]  ? gfs2_reconfigure+0xd30/0xd30
[  224.232063][ T4510]  ? sb_set_blocksize+0xa5/0xe0
[  224.236915][ T4510]  get_tree_bdev+0x3f1/0x610
[  224.241520][ T4510]  ? gfs2_reconfigure+0xd30/0xd30
[  224.246548][ T4510]  gfs2_get_tree+0x4d/0x1e0
[  224.251076][ T4510]  vfs_get_tree+0x88/0x270
[  224.255502][ T4510]  do_new_mount+0x24a/0xa40
[  224.260362][ T4510]  __se_sys_mount+0x2e3/0x3d0
[  224.265056][ T4510]  ? __x64_sys_mount+0xc0/0xc0
[  224.269828][ T4510]  ? lockdep_hardirqs_on+0x94/0x140
[  224.275044][ T4510]  ? __x64_sys_mount+0x1c/0xc0
[  224.279819][ T4510]  do_syscall_64+0x4c/0xa0
[  224.284456][ T4510]  ? clear_bhb_loop+0x30/0x80
[  224.289139][ T4510]  ? clear_bhb_loop+0x30/0x80
[  224.293818][ T4510]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  224.299728][ T4510] RIP: 0033:0x7efdc1058a8a
[  224.304149][ T4510] 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
[  224.323758][ T4510] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.332184][ T4510] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  224.340158][ T4510] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  224.348125][ T4510] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  224.356090][ T4510] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  224.364059][ T4510] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  224.372036][ T4510]  </TASK>
[  224.376428][ T4510] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  224.390502][ T4510] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  224.755661][ T4511] loop1: detected capacity change from 0 to 32768
[  224.773915][ T4511] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  224.781991][ T4511] CPU: 1 PID: 4511 Comm: syz.1.193 Not tainted syzkaller #0
[  224.789315][ T4511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  224.799442][ T4511] Call Trace:
[  224.802838][ T4511]  <TASK>
[  224.805803][ T4511]  dump_stack_lvl+0x188/0x250
[  224.810524][ T4511]  ? show_regs_print_info+0x20/0x20
[  224.815854][ T4511]  ? load_image+0x400/0x400
[  224.820401][ T4511]  sysfs_create_dir_ns+0x26a/0x290
[  224.825650][ T4511]  ? sysfs_warn_dup+0xa0/0xa0
[  224.830364][ T4511]  ? do_raw_spin_unlock+0x11d/0x230
[  224.835683][ T4511]  kobject_add_internal+0x6e0/0xd90
[  224.841006][ T4511]  kobject_init_and_add+0x128/0x190
[  224.846237][ T4511]  ? lockdep_softirqs_off+0x430/0x430
[  224.851645][ T4511]  ? kobject_add+0x230/0x230
[  224.856272][ T4511]  ? __init_swait_queue_head+0xa5/0x150
[  224.861939][ T4511]  gfs2_sys_fs_add+0x24f/0x4b0
[  224.866823][ T4511]  ? gfs2_recover_set+0x240/0x240
[  224.871865][ T4511]  ? snprintf+0xe5/0x140
[  224.876104][ T4511]  ? __free_pages+0x95/0x1a0
[  224.880691][ T4511]  ? vscnprintf+0x80/0x80
[  224.885022][ T4511]  gfs2_fill_super+0x120f/0x1f00
[  224.890093][ T4511]  ? gfs2_reconfigure+0xd30/0xd30
[  224.895157][ T4511]  ? sb_set_blocksize+0xa5/0xe0
[  224.900096][ T4511]  get_tree_bdev+0x3f1/0x610
[  224.904704][ T4511]  ? gfs2_reconfigure+0xd30/0xd30
[  224.909738][ T4511]  gfs2_get_tree+0x4d/0x1e0
[  224.914296][ T4511]  vfs_get_tree+0x88/0x270
[  224.918835][ T4511]  do_new_mount+0x24a/0xa40
[  224.923341][ T4511]  __se_sys_mount+0x2e3/0x3d0
[  224.928016][ T4511]  ? __x64_sys_mount+0xc0/0xc0
[  224.932778][ T4511]  ? lockdep_hardirqs_on+0x94/0x140
[  224.937971][ T4511]  ? __x64_sys_mount+0x1c/0xc0
[  224.942752][ T4511]  do_syscall_64+0x4c/0xa0
[  224.947610][ T4511]  ? clear_bhb_loop+0x30/0x80
[  224.952301][ T4511]  ? clear_bhb_loop+0x30/0x80
[  224.956978][ T4511]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  224.962868][ T4511] RIP: 0033:0x7efdc1058a8a
[  224.967309][ T4511] 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
[  224.986917][ T4511] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.995348][ T4511] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  225.003331][ T4511] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  225.011324][ T4511] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  225.019486][ T4511] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  225.027487][ T4511] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  225.035759][ T4511]  </TASK>
[  225.044003][ T4511] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  225.058248][ T4511] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
2026/04/23 22:53:55 executed programs: 179
[  225.393732][ T4512] loop1: detected capacity change from 0 to 32768
[  225.469453][ T4512] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  225.477919][ T4512] CPU: 0 PID: 4512 Comm: syz.1.194 Not tainted syzkaller #0
[  225.485244][ T4512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  225.495328][ T4512] Call Trace:
[  225.498719][ T4512]  <TASK>
[  225.501679][ T4512]  dump_stack_lvl+0x188/0x250
[  225.506401][ T4512]  ? show_regs_print_info+0x20/0x20
[  225.511632][ T4512]  ? load_image+0x400/0x400
[  225.516177][ T4512]  sysfs_create_dir_ns+0x26a/0x290
[  225.521332][ T4512]  ? sysfs_warn_dup+0xa0/0xa0
[  225.526043][ T4512]  ? do_raw_spin_unlock+0x11d/0x230
[  225.531282][ T4512]  kobject_add_internal+0x6e0/0xd90
[  225.536525][ T4512]  kobject_init_and_add+0x128/0x190
[  225.541843][ T4512]  ? lockdep_softirqs_off+0x430/0x430
[  225.547253][ T4512]  ? kobject_add+0x230/0x230
[  225.551884][ T4512]  ? __init_swait_queue_head+0xa5/0x150
[  225.557468][ T4512]  gfs2_sys_fs_add+0x24f/0x4b0
[  225.562276][ T4512]  ? gfs2_recover_set+0x240/0x240
[  225.567327][ T4512]  ? snprintf+0xe5/0x140
[  225.571566][ T4512]  ? __free_pages+0x95/0x1a0
[  225.576155][ T4512]  ? vscnprintf+0x80/0x80
[  225.580511][ T4512]  gfs2_fill_super+0x120f/0x1f00
[  225.585500][ T4512]  ? gfs2_reconfigure+0xd30/0xd30
[  225.591018][ T4512]  ? sb_set_blocksize+0xa5/0xe0
[  225.595909][ T4512]  get_tree_bdev+0x3f1/0x610
[  225.600586][ T4512]  ? gfs2_reconfigure+0xd30/0xd30
[  225.605622][ T4512]  gfs2_get_tree+0x4d/0x1e0
[  225.610129][ T4512]  vfs_get_tree+0x88/0x270
[  225.614546][ T4512]  do_new_mount+0x24a/0xa40
[  225.619064][ T4512]  __se_sys_mount+0x2e3/0x3d0
[  225.623747][ T4512]  ? __x64_sys_mount+0xc0/0xc0
[  225.628513][ T4512]  ? lockdep_hardirqs_on+0x94/0x140
[  225.633715][ T4512]  ? __x64_sys_mount+0x1c/0xc0
[  225.638509][ T4512]  do_syscall_64+0x4c/0xa0
[  225.643195][ T4512]  ? clear_bhb_loop+0x30/0x80
[  225.647893][ T4512]  ? clear_bhb_loop+0x30/0x80
[  225.652567][ T4512]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  225.658596][ T4512] RIP: 0033:0x7efdc1058a8a
[  225.663081][ T4512] 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
[  225.682707][ T4512] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.691156][ T4512] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  225.699389][ T4512] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  225.707357][ T4512] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  225.715340][ T4512] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  225.723313][ T4512] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  225.731320][ T4512]  </TASK>
[  225.735655][ T4512] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  225.749481][ T4512] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  226.124186][ T4513] loop1: detected capacity change from 0 to 32768
[  226.202532][ T4513] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  226.211958][ T4513] CPU: 0 PID: 4513 Comm: syz.1.195 Not tainted syzkaller #0
[  226.219344][ T4513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  226.229429][ T4513] Call Trace:
[  226.232840][ T4513]  <TASK>
[  226.235800][ T4513]  dump_stack_lvl+0x188/0x250
[  226.240520][ T4513]  ? show_regs_print_info+0x20/0x20
[  226.245747][ T4513]  ? load_image+0x400/0x400
[  226.250314][ T4513]  sysfs_create_dir_ns+0x26a/0x290
[  226.255466][ T4513]  ? sysfs_warn_dup+0xa0/0xa0
[  226.260178][ T4513]  ? do_raw_spin_unlock+0x11d/0x230
[  226.265424][ T4513]  kobject_add_internal+0x6e0/0xd90
[  226.270697][ T4513]  kobject_init_and_add+0x128/0x190
[  226.275942][ T4513]  ? lockdep_softirqs_off+0x430/0x430
[  226.281348][ T4513]  ? kobject_add+0x230/0x230
[  226.286075][ T4513]  ? __init_swait_queue_head+0xa5/0x150
[  226.291676][ T4513]  gfs2_sys_fs_add+0x24f/0x4b0
[  226.296536][ T4513]  ? gfs2_recover_set+0x240/0x240
[  226.301579][ T4513]  ? snprintf+0xe5/0x140
[  226.305822][ T4513]  ? __free_pages+0x95/0x1a0
[  226.310868][ T4513]  ? vscnprintf+0x80/0x80
[  226.315240][ T4513]  gfs2_fill_super+0x120f/0x1f00
[  226.320254][ T4513]  ? gfs2_reconfigure+0xd30/0xd30
[  226.325303][ T4513]  ? sb_set_blocksize+0xa5/0xe0
[  226.330173][ T4513]  get_tree_bdev+0x3f1/0x610
[  226.334790][ T4513]  ? gfs2_reconfigure+0xd30/0xd30
[  226.339815][ T4513]  gfs2_get_tree+0x4d/0x1e0
[  226.344317][ T4513]  vfs_get_tree+0x88/0x270
[  226.348726][ T4513]  do_new_mount+0x24a/0xa40
[  226.353231][ T4513]  __se_sys_mount+0x2e3/0x3d0
[  226.357994][ T4513]  ? __x64_sys_mount+0xc0/0xc0
[  226.362855][ T4513]  ? lockdep_hardirqs_on+0x94/0x140
[  226.368047][ T4513]  ? __x64_sys_mount+0x1c/0xc0
[  226.372805][ T4513]  do_syscall_64+0x4c/0xa0
[  226.377224][ T4513]  ? clear_bhb_loop+0x30/0x80
[  226.381980][ T4513]  ? clear_bhb_loop+0x30/0x80
[  226.386651][ T4513]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  226.392552][ T4513] RIP: 0033:0x7efdc1058a8a
[  226.396973][ T4513] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  226.416588][ T4513] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.425000][ T4513] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  226.432970][ T4513] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  226.440951][ T4513] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  226.448939][ T4513] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  226.456989][ T4513] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  226.465053][ T4513]  </TASK>
[  226.469761][ T4513] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  226.483580][ T4513] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  226.858259][ T4514] loop1: detected capacity change from 0 to 32768
[  226.904976][ T4514] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  226.918567][ T4514] CPU: 1 PID: 4514 Comm: syz.1.196 Not tainted syzkaller #0
[  226.925902][ T4514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  226.936113][ T4514] Call Trace:
[  226.939452][ T4514]  <TASK>
[  226.942431][ T4514]  dump_stack_lvl+0x188/0x250
[  226.947540][ T4514]  ? show_regs_print_info+0x20/0x20
[  226.952777][ T4514]  ? load_image+0x400/0x400
[  226.957322][ T4514]  sysfs_create_dir_ns+0x26a/0x290
[  226.962469][ T4514]  ? sysfs_warn_dup+0xa0/0xa0
[  226.967178][ T4514]  ? do_raw_spin_unlock+0x11d/0x230
[  226.972433][ T4514]  kobject_add_internal+0x6e0/0xd90
[  226.977677][ T4514]  kobject_init_and_add+0x128/0x190
[  226.982908][ T4514]  ? lockdep_softirqs_off+0x430/0x430
[  226.988436][ T4514]  ? kobject_add+0x230/0x230
[  226.993063][ T4514]  ? __init_swait_queue_head+0xa5/0x150
[  226.998648][ T4514]  gfs2_sys_fs_add+0x24f/0x4b0
[  227.003452][ T4514]  ? gfs2_recover_set+0x240/0x240
[  227.008507][ T4514]  ? snprintf+0xe5/0x140
[  227.013162][ T4514]  ? __free_pages+0x95/0x1a0
[  227.017757][ T4514]  ? vscnprintf+0x80/0x80
[  227.022091][ T4514]  gfs2_fill_super+0x120f/0x1f00
[  227.027040][ T4514]  ? gfs2_reconfigure+0xd30/0xd30
[  227.032072][ T4514]  ? sb_set_blocksize+0xa5/0xe0
[  227.037011][ T4514]  get_tree_bdev+0x3f1/0x610
[  227.041611][ T4514]  ? gfs2_reconfigure+0xd30/0xd30
[  227.046658][ T4514]  gfs2_get_tree+0x4d/0x1e0
[  227.051158][ T4514]  vfs_get_tree+0x88/0x270
[  227.055572][ T4514]  do_new_mount+0x24a/0xa40
[  227.060186][ T4514]  __se_sys_mount+0x2e3/0x3d0
[  227.065001][ T4514]  ? __x64_sys_mount+0xc0/0xc0
[  227.069773][ T4514]  ? lockdep_hardirqs_on+0x94/0x140
[  227.075059][ T4514]  ? __x64_sys_mount+0x1c/0xc0
[  227.079839][ T4514]  do_syscall_64+0x4c/0xa0
[  227.084277][ T4514]  ? clear_bhb_loop+0x30/0x80
[  227.088970][ T4514]  ? clear_bhb_loop+0x30/0x80
[  227.093680][ T4514]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  227.099593][ T4514] RIP: 0033:0x7efdc1058a8a
[  227.104117][ T4514] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  227.123722][ T4514] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.132132][ T4514] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  227.140101][ T4514] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  227.148092][ T4514] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  227.156060][ T4514] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  227.164026][ T4514] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  227.172089][ T4514]  </TASK>
[  227.176391][ T1108] Bluetooth: hci1: command 0x0406 tx timeout
[  227.179269][ T4514] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  227.196614][ T4514] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  227.567604][ T4515] loop1: detected capacity change from 0 to 32768
[  227.621867][ T4515] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  227.631560][ T4515] CPU: 1 PID: 4515 Comm: syz.1.197 Not tainted syzkaller #0
[  227.638903][ T4515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  227.649095][ T4515] Call Trace:
[  227.652419][ T4515]  <TASK>
[  227.655431][ T4515]  dump_stack_lvl+0x188/0x250
[  227.660300][ T4515]  ? show_regs_print_info+0x20/0x20
[  227.665554][ T4515]  ? load_image+0x400/0x400
[  227.670128][ T4515]  sysfs_create_dir_ns+0x26a/0x290
[  227.675288][ T4515]  ? sysfs_warn_dup+0xa0/0xa0
[  227.680177][ T4515]  ? do_raw_spin_unlock+0x11d/0x230
[  227.685422][ T4515]  kobject_add_internal+0x6e0/0xd90
[  227.690672][ T4515]  kobject_init_and_add+0x128/0x190
[  227.695905][ T4515]  ? lockdep_softirqs_off+0x430/0x430
[  227.701499][ T4515]  ? kobject_add+0x230/0x230
[  227.706146][ T4515]  ? __init_swait_queue_head+0xa5/0x150
[  227.711738][ T4515]  gfs2_sys_fs_add+0x24f/0x4b0
[  227.716545][ T4515]  ? gfs2_recover_set+0x240/0x240
[  227.721703][ T4515]  ? snprintf+0xe5/0x140
[  227.725947][ T4515]  ? __free_pages+0x95/0x1a0
[  227.730552][ T4515]  ? vscnprintf+0x80/0x80
[  227.734930][ T4515]  gfs2_fill_super+0x120f/0x1f00
[  227.739882][ T4515]  ? gfs2_reconfigure+0xd30/0xd30
[  227.745086][ T4515]  ? sb_set_blocksize+0xa5/0xe0
[  227.749945][ T4515]  get_tree_bdev+0x3f1/0x610
[  227.754643][ T4515]  ? gfs2_reconfigure+0xd30/0xd30
[  227.759665][ T4515]  gfs2_get_tree+0x4d/0x1e0
[  227.764167][ T4515]  vfs_get_tree+0x88/0x270
[  227.768578][ T4515]  do_new_mount+0x24a/0xa40
[  227.773082][ T4515]  __se_sys_mount+0x2e3/0x3d0
[  227.777759][ T4515]  ? __x64_sys_mount+0xc0/0xc0
[  227.782522][ T4515]  ? lockdep_hardirqs_on+0x94/0x140
[  227.787723][ T4515]  ? __x64_sys_mount+0x1c/0xc0
[  227.792500][ T4515]  do_syscall_64+0x4c/0xa0
[  227.796929][ T4515]  ? clear_bhb_loop+0x30/0x80
[  227.801601][ T4515]  ? clear_bhb_loop+0x30/0x80
[  227.806284][ T4515]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  227.812191][ T4515] RIP: 0033:0x7efdc1058a8a
[  227.816635][ T4515] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  227.836256][ T4515] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.844675][ T4515] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  227.852644][ T4515] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  227.860622][ T4515] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  227.868588][ T4515] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  227.876552][ T4515] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  227.884529][ T4515]  </TASK>
[  227.898111][ T4515] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  227.912032][ T4515] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  228.290445][ T4517] loop1: detected capacity change from 0 to 32768
[  228.339738][ T4517] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  228.348703][ T4517] CPU: 0 PID: 4517 Comm: syz.1.198 Not tainted syzkaller #0
[  228.356128][ T4517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  228.366235][ T4517] Call Trace:
[  228.369545][ T4517]  <TASK>
[  228.372506][ T4517]  dump_stack_lvl+0x188/0x250
[  228.377302][ T4517]  ? show_regs_print_info+0x20/0x20
[  228.382530][ T4517]  ? load_image+0x400/0x400
[  228.387075][ T4517]  sysfs_create_dir_ns+0x26a/0x290
[  228.392233][ T4517]  ? sysfs_warn_dup+0xa0/0xa0
[  228.396950][ T4517]  ? do_raw_spin_unlock+0x11d/0x230
[  228.402265][ T4517]  kobject_add_internal+0x6e0/0xd90
[  228.407500][ T4517]  kobject_init_and_add+0x128/0x190
[  228.412726][ T4517]  ? lockdep_softirqs_off+0x430/0x430
[  228.418132][ T4517]  ? kobject_add+0x230/0x230
[  228.422760][ T4517]  ? __init_swait_queue_head+0xa5/0x150
[  228.428333][ T4517]  gfs2_sys_fs_add+0x24f/0x4b0
[  228.433110][ T4517]  ? gfs2_recover_set+0x240/0x240
[  228.438153][ T4517]  ? snprintf+0xe5/0x140
[  228.442413][ T4517]  ? __free_pages+0x95/0x1a0
[  228.447008][ T4517]  ? vscnprintf+0x80/0x80
[  228.451345][ T4517]  gfs2_fill_super+0x120f/0x1f00
[  228.456299][ T4517]  ? gfs2_reconfigure+0xd30/0xd30
[  228.461329][ T4517]  ? sb_set_blocksize+0xa5/0xe0
[  228.466197][ T4517]  get_tree_bdev+0x3f1/0x610
[  228.470798][ T4517]  ? gfs2_reconfigure+0xd30/0xd30
[  228.475825][ T4517]  gfs2_get_tree+0x4d/0x1e0
[  228.480325][ T4517]  vfs_get_tree+0x88/0x270
[  228.484752][ T4517]  do_new_mount+0x24a/0xa40
[  228.489261][ T4517]  __se_sys_mount+0x2e3/0x3d0
[  228.494031][ T4517]  ? __x64_sys_mount+0xc0/0xc0
[  228.498799][ T4517]  ? lockdep_hardirqs_on+0x94/0x140
[  228.503991][ T4517]  ? __x64_sys_mount+0x1c/0xc0
[  228.508748][ T4517]  do_syscall_64+0x4c/0xa0
[  228.513250][ T4517]  ? clear_bhb_loop+0x30/0x80
[  228.517921][ T4517]  ? clear_bhb_loop+0x30/0x80
[  228.522593][ T4517]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  228.528477][ T4517] RIP: 0033:0x7efdc1058a8a
[  228.532885][ T4517] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  228.552501][ T4517] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  228.560918][ T4517] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  228.568885][ T4517] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  228.576849][ T4517] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  228.584813][ T4517] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  228.593044][ T4517] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  228.601025][ T4517]  </TASK>
[  228.605728][ T4517] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  228.619629][ T4517] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  228.982606][ T4518] loop1: detected capacity change from 0 to 32768
[  229.025304][ T4518] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  229.038943][ T4518] CPU: 1 PID: 4518 Comm: syz.1.199 Not tainted syzkaller #0
[  229.046294][ T4518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  229.056607][ T4518] Call Trace:
[  229.059917][ T4518]  <TASK>
[  229.062884][ T4518]  dump_stack_lvl+0x188/0x250
[  229.067600][ T4518]  ? show_regs_print_info+0x20/0x20
[  229.072828][ T4518]  ? load_image+0x400/0x400
[  229.077371][ T4518]  sysfs_create_dir_ns+0x26a/0x290
[  229.082523][ T4518]  ? sysfs_warn_dup+0xa0/0xa0
[  229.087232][ T4518]  ? do_raw_spin_unlock+0x11d/0x230
[  229.092583][ T4518]  kobject_add_internal+0x6e0/0xd90
[  229.097911][ T4518]  kobject_init_and_add+0x128/0x190
[  229.103146][ T4518]  ? lockdep_softirqs_off+0x430/0x430
[  229.108550][ T4518]  ? kobject_add+0x230/0x230
[  229.113179][ T4518]  ? __init_swait_queue_head+0xa5/0x150
[  229.118757][ T4518]  gfs2_sys_fs_add+0x24f/0x4b0
[  229.123550][ T4518]  ? gfs2_recover_set+0x240/0x240
[  229.128594][ T4518]  ? snprintf+0xe5/0x140
[  229.132839][ T4518]  ? __free_pages+0x95/0x1a0
[  229.137436][ T4518]  ? vscnprintf+0x80/0x80
[  229.141781][ T4518]  gfs2_fill_super+0x120f/0x1f00
[  229.146737][ T4518]  ? gfs2_reconfigure+0xd30/0xd30
[  229.151787][ T4518]  ? sb_set_blocksize+0xa5/0xe0
[  229.156660][ T4518]  get_tree_bdev+0x3f1/0x610
[  229.161251][ T4518]  ? gfs2_reconfigure+0xd30/0xd30
[  229.166303][ T4518]  gfs2_get_tree+0x4d/0x1e0
[  229.170815][ T4518]  vfs_get_tree+0x88/0x270
[  229.175251][ T4518]  do_new_mount+0x24a/0xa40
[  229.179761][ T4518]  __se_sys_mount+0x2e3/0x3d0
[  229.184437][ T4518]  ? __x64_sys_mount+0xc0/0xc0
[  229.189198][ T4518]  ? lockdep_hardirqs_on+0x94/0x140
[  229.194399][ T4518]  ? __x64_sys_mount+0x1c/0xc0
[  229.199160][ T4518]  do_syscall_64+0x4c/0xa0
[  229.203569][ T4518]  ? clear_bhb_loop+0x30/0x80
[  229.208241][ T4518]  ? clear_bhb_loop+0x30/0x80
[  229.212918][ T4518]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  229.218815][ T4518] RIP: 0033:0x7efdc1058a8a
[  229.223232][ T4518] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  229.242842][ T4518] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.251267][ T4518] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  229.259252][ T4518] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  229.267321][ T4518] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  229.275403][ T4518] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  229.283373][ T4518] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  229.291362][ T4518]  </TASK>
[  229.295738][ T4518] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  229.310033][ T4518] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  229.646140][ T4520] loop1: detected capacity change from 0 to 32768
[  229.702472][ T4520] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  229.710692][ T4520] CPU: 0 PID: 4520 Comm: syz.1.200 Not tainted syzkaller #0
[  229.718096][ T4520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  229.728270][ T4520] Call Trace:
[  229.731581][ T4520]  <TASK>
[  229.734536][ T4520]  dump_stack_lvl+0x188/0x250
[  229.739245][ T4520]  ? show_regs_print_info+0x20/0x20
[  229.744473][ T4520]  ? load_image+0x400/0x400
[  229.749017][ T4520]  sysfs_create_dir_ns+0x26a/0x290
[  229.754159][ T4520]  ? sysfs_warn_dup+0xa0/0xa0
[  229.758874][ T4520]  ? do_raw_spin_unlock+0x11d/0x230
[  229.764114][ T4520]  kobject_add_internal+0x6e0/0xd90
[  229.769362][ T4520]  kobject_init_and_add+0x128/0x190
[  229.774599][ T4520]  ? lockdep_softirqs_off+0x430/0x430
[  229.780011][ T4520]  ? kobject_add+0x230/0x230
[  229.784700][ T4520]  ? __init_swait_queue_head+0xa5/0x150
[  229.790394][ T4520]  gfs2_sys_fs_add+0x24f/0x4b0
[  229.795161][ T4520]  ? gfs2_recover_set+0x240/0x240
[  229.800191][ T4520]  ? snprintf+0xe5/0x140
[  229.804434][ T4520]  ? __free_pages+0x95/0x1a0
[  229.809032][ T4520]  ? vscnprintf+0x80/0x80
[  229.813359][ T4520]  gfs2_fill_super+0x120f/0x1f00
[  229.818304][ T4520]  ? gfs2_reconfigure+0xd30/0xd30
[  229.823330][ T4520]  ? sb_set_blocksize+0xa5/0xe0
[  229.828178][ T4520]  get_tree_bdev+0x3f1/0x610
[  229.832769][ T4520]  ? gfs2_reconfigure+0xd30/0xd30
[  229.837928][ T4520]  gfs2_get_tree+0x4d/0x1e0
[  229.842464][ T4520]  vfs_get_tree+0x88/0x270
[  229.846884][ T4520]  do_new_mount+0x24a/0xa40
[  229.851385][ T4520]  __se_sys_mount+0x2e3/0x3d0
[  229.856063][ T4520]  ? __x64_sys_mount+0xc0/0xc0
[  229.860826][ T4520]  ? lockdep_hardirqs_on+0x94/0x140
[  229.866021][ T4520]  ? __x64_sys_mount+0x1c/0xc0
[  229.870793][ T4520]  do_syscall_64+0x4c/0xa0
[  229.875232][ T4520]  ? clear_bhb_loop+0x30/0x80
[  229.879906][ T4520]  ? clear_bhb_loop+0x30/0x80
[  229.884580][ T4520]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  229.890464][ T4520] RIP: 0033:0x7efdc1058a8a
[  229.894874][ T4520] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  229.914479][ T4520] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.922898][ T4520] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  229.930876][ T4520] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  229.938852][ T4520] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  229.946925][ T4520] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  229.954923][ T4520] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  229.962909][ T4520]  </TASK>
[  229.967778][ T4520] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  229.981989][ T4520] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  230.369775][ T4523] loop1: detected capacity change from 0 to 32768
[  230.425275][ T4523] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  230.440059][ T4523] CPU: 1 PID: 4523 Comm: syz.1.201 Not tainted syzkaller #0
[  230.448185][ T4523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  230.458378][ T4523] Call Trace:
[  230.461779][ T4523]  <TASK>
[  230.464740][ T4523]  dump_stack_lvl+0x188/0x250
[  230.469454][ T4523]  ? show_regs_print_info+0x20/0x20
[  230.474681][ T4523]  ? load_image+0x400/0x400
[  230.479313][ T4523]  sysfs_create_dir_ns+0x26a/0x290
[  230.484459][ T4523]  ? sysfs_warn_dup+0xa0/0xa0
[  230.489173][ T4523]  ? do_raw_spin_unlock+0x11d/0x230
[  230.494429][ T4523]  kobject_add_internal+0x6e0/0xd90
[  230.499676][ T4523]  kobject_init_and_add+0x128/0x190
[  230.504907][ T4523]  ? lockdep_softirqs_off+0x430/0x430
[  230.510404][ T4523]  ? kobject_add+0x230/0x230
[  230.515031][ T4523]  ? __init_swait_queue_head+0xa5/0x150
[  230.520614][ T4523]  gfs2_sys_fs_add+0x24f/0x4b0
[  230.525503][ T4523]  ? gfs2_recover_set+0x240/0x240
[  230.530573][ T4523]  ? snprintf+0xe5/0x140
[  230.534861][ T4523]  ? __free_pages+0x95/0x1a0
[  230.539545][ T4523]  ? vscnprintf+0x80/0x80
[  230.543898][ T4523]  gfs2_fill_super+0x120f/0x1f00
[  230.548850][ T4523]  ? gfs2_reconfigure+0xd30/0xd30
[  230.553904][ T4523]  ? sb_set_blocksize+0xa5/0xe0
[  230.558845][ T4523]  get_tree_bdev+0x3f1/0x610
[  230.563432][ T4523]  ? gfs2_reconfigure+0xd30/0xd30
[  230.568454][ T4523]  gfs2_get_tree+0x4d/0x1e0
[  230.572966][ T4523]  vfs_get_tree+0x88/0x270
[  230.577383][ T4523]  do_new_mount+0x24a/0xa40
[  230.581885][ T4523]  __se_sys_mount+0x2e3/0x3d0
[  230.586650][ T4523]  ? __x64_sys_mount+0xc0/0xc0
[  230.591417][ T4523]  ? lockdep_hardirqs_on+0x94/0x140
[  230.596648][ T4523]  ? __x64_sys_mount+0x1c/0xc0
[  230.601444][ T4523]  do_syscall_64+0x4c/0xa0
[  230.605853][ T4523]  ? clear_bhb_loop+0x30/0x80
[  230.610532][ T4523]  ? clear_bhb_loop+0x30/0x80
[  230.615235][ T4523]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  230.621121][ T4523] RIP: 0033:0x7efdc1058a8a
[  230.625536][ T4523] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  230.645133][ T4523] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.653568][ T4523] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  230.661559][ T4523] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  230.669533][ T4523] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  230.677518][ T4523] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  230.685597][ T4523] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  230.693604][ T4523]  </TASK>
[  230.698418][ T4523] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  230.712326][ T4523] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
2026/04/23 22:54:00 executed programs: 187
[  231.089774][ T4525] loop1: detected capacity change from 0 to 32768
[  231.161418][ T4525] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  231.170588][ T4525] CPU: 0 PID: 4525 Comm: syz.1.202 Not tainted syzkaller #0
[  231.178009][ T4525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  231.188095][ T4525] Call Trace:
[  231.191410][ T4525]  <TASK>
[  231.194373][ T4525]  dump_stack_lvl+0x188/0x250
[  231.199083][ T4525]  ? show_regs_print_info+0x20/0x20
[  231.204311][ T4525]  ? load_image+0x400/0x400
[  231.208859][ T4525]  sysfs_create_dir_ns+0x26a/0x290
[  231.214022][ T4525]  ? sysfs_warn_dup+0xa0/0xa0
[  231.218740][ T4525]  ? do_raw_spin_unlock+0x11d/0x230
[  231.223972][ T4525]  kobject_add_internal+0x6e0/0xd90
[  231.229212][ T4525]  kobject_init_and_add+0x128/0x190
[  231.234440][ T4525]  ? lockdep_softirqs_off+0x430/0x430
[  231.239853][ T4525]  ? kobject_add+0x230/0x230
[  231.244486][ T4525]  ? __init_swait_queue_head+0xa5/0x150
[  231.250042][ T4525]  gfs2_sys_fs_add+0x24f/0x4b0
[  231.254812][ T4525]  ? gfs2_recover_set+0x240/0x240
[  231.259828][ T4525]  ? snprintf+0xe5/0x140
[  231.264082][ T4525]  ? __free_pages+0x95/0x1a0
[  231.268675][ T4525]  ? vscnprintf+0x80/0x80
[  231.273006][ T4525]  gfs2_fill_super+0x120f/0x1f00
[  231.278036][ T4525]  ? gfs2_reconfigure+0xd30/0xd30
[  231.283097][ T4525]  ? sb_set_blocksize+0xa5/0xe0
[  231.287957][ T4525]  get_tree_bdev+0x3f1/0x610
[  231.292545][ T4525]  ? gfs2_reconfigure+0xd30/0xd30
[  231.297579][ T4525]  gfs2_get_tree+0x4d/0x1e0
[  231.302080][ T4525]  vfs_get_tree+0x88/0x270
[  231.306492][ T4525]  do_new_mount+0x24a/0xa40
[  231.311113][ T4525]  __se_sys_mount+0x2e3/0x3d0
[  231.315791][ T4525]  ? __x64_sys_mount+0xc0/0xc0
[  231.320559][ T4525]  ? lockdep_hardirqs_on+0x94/0x140
[  231.325752][ T4525]  ? __x64_sys_mount+0x1c/0xc0
[  231.330528][ T4525]  do_syscall_64+0x4c/0xa0
[  231.334968][ T4525]  ? clear_bhb_loop+0x30/0x80
[  231.339640][ T4525]  ? clear_bhb_loop+0x30/0x80
[  231.344312][ T4525]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  231.350201][ T4525] RIP: 0033:0x7efdc1058a8a
[  231.354628][ T4525] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  231.374485][ T4525] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.382907][ T4525] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  231.390897][ T4525] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  231.398869][ T4525] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  231.406836][ T4525] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  231.414891][ T4525] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  231.422869][ T4525]  </TASK>
[  231.427676][ T4525] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  231.441654][ T4525] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  231.820830][ T4526] loop1: detected capacity change from 0 to 32768
[  231.882777][ T4526] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  231.891001][ T4526] CPU: 0 PID: 4526 Comm: syz.1.203 Not tainted syzkaller #0
[  231.898365][ T4526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  231.908584][ T4526] Call Trace:
[  231.911899][ T4526]  <TASK>
[  231.914858][ T4526]  dump_stack_lvl+0x188/0x250
[  231.919581][ T4526]  ? show_regs_print_info+0x20/0x20
[  231.924922][ T4526]  ? load_image+0x400/0x400
[  231.929654][ T4526]  sysfs_create_dir_ns+0x26a/0x290
[  231.934810][ T4526]  ? sysfs_warn_dup+0xa0/0xa0
[  231.939526][ T4526]  ? do_raw_spin_unlock+0x11d/0x230
[  231.944755][ T4526]  kobject_add_internal+0x6e0/0xd90
[  231.949989][ T4526]  kobject_init_and_add+0x128/0x190
[  231.955224][ T4526]  ? lockdep_softirqs_off+0x430/0x430
[  231.960629][ T4526]  ? kobject_add+0x230/0x230
[  231.965252][ T4526]  ? __init_swait_queue_head+0xa5/0x150
[  231.970820][ T4526]  gfs2_sys_fs_add+0x24f/0x4b0
[  231.975589][ T4526]  ? gfs2_recover_set+0x240/0x240
[  231.980629][ T4526]  ? snprintf+0xe5/0x140
[  231.984863][ T4526]  ? __free_pages+0x95/0x1a0
[  231.989448][ T4526]  ? vscnprintf+0x80/0x80
[  231.993815][ T4526]  gfs2_fill_super+0x120f/0x1f00
[  231.998755][ T4526]  ? gfs2_reconfigure+0xd30/0xd30
[  232.003789][ T4526]  ? sb_set_blocksize+0xa5/0xe0
[  232.008637][ T4526]  get_tree_bdev+0x3f1/0x610
[  232.013311][ T4526]  ? gfs2_reconfigure+0xd30/0xd30
[  232.018330][ T4526]  gfs2_get_tree+0x4d/0x1e0
[  232.022827][ T4526]  vfs_get_tree+0x88/0x270
[  232.027241][ T4526]  do_new_mount+0x24a/0xa40
[  232.031752][ T4526]  __se_sys_mount+0x2e3/0x3d0
[  232.036430][ T4526]  ? __x64_sys_mount+0xc0/0xc0
[  232.041189][ T4526]  ? lockdep_hardirqs_on+0x94/0x140
[  232.046385][ T4526]  ? __x64_sys_mount+0x1c/0xc0
[  232.051149][ T4526]  do_syscall_64+0x4c/0xa0
[  232.055673][ T4526]  ? clear_bhb_loop+0x30/0x80
[  232.060431][ T4526]  ? clear_bhb_loop+0x30/0x80
[  232.065115][ T4526]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  232.071085][ T4526] RIP: 0033:0x7efdc1058a8a
[  232.075504][ T4526] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  232.095100][ T4526] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  232.103512][ T4526] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  232.111496][ T4526] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  232.119462][ T4526] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  232.127427][ T4526] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  232.135391][ T4526] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  232.143366][ T4526]  </TASK>
[  232.148035][ T4526] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  232.161943][ T4526] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  232.530650][ T4527] loop1: detected capacity change from 0 to 32768
[  232.601494][ T4527] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  232.609917][ T4527] CPU: 0 PID: 4527 Comm: syz.1.204 Not tainted syzkaller #0
[  232.617242][ T4527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  232.627417][ T4527] Call Trace:
[  232.630732][ T4527]  <TASK>
[  232.633689][ T4527]  dump_stack_lvl+0x188/0x250
[  232.638404][ T4527]  ? show_regs_print_info+0x20/0x20
[  232.643643][ T4527]  ? load_image+0x400/0x400
[  232.648213][ T4527]  sysfs_create_dir_ns+0x26a/0x290
[  232.653376][ T4527]  ? sysfs_warn_dup+0xa0/0xa0
[  232.658100][ T4527]  ? do_raw_spin_unlock+0x11d/0x230
[  232.663331][ T4527]  kobject_add_internal+0x6e0/0xd90
[  232.668575][ T4527]  kobject_init_and_add+0x128/0x190
[  232.673802][ T4527]  ? lockdep_softirqs_off+0x430/0x430
[  232.679218][ T4527]  ? kobject_add+0x230/0x230
[  232.683844][ T4527]  ? __init_swait_queue_head+0xa5/0x150
[  232.689526][ T4527]  gfs2_sys_fs_add+0x24f/0x4b0
[  232.694420][ T4527]  ? gfs2_recover_set+0x240/0x240
[  232.699464][ T4527]  ? snprintf+0xe5/0x140
[  232.703824][ T4527]  ? __free_pages+0x95/0x1a0
[  232.708434][ T4527]  ? vscnprintf+0x80/0x80
[  232.713317][ T4527]  gfs2_fill_super+0x120f/0x1f00
[  232.718826][ T4527]  ? gfs2_reconfigure+0xd30/0xd30
[  232.724038][ T4527]  ? sb_set_blocksize+0xa5/0xe0
[  232.728980][ T4527]  get_tree_bdev+0x3f1/0x610
[  232.733570][ T4527]  ? gfs2_reconfigure+0xd30/0xd30
[  232.738593][ T4527]  gfs2_get_tree+0x4d/0x1e0
[  232.743091][ T4527]  vfs_get_tree+0x88/0x270
[  232.748042][ T4527]  do_new_mount+0x24a/0xa40
[  232.752743][ T4527]  __se_sys_mount+0x2e3/0x3d0
[  232.757422][ T4527]  ? __x64_sys_mount+0xc0/0xc0
[  232.762186][ T4527]  ? lockdep_hardirqs_on+0x94/0x140
[  232.767691][ T4527]  ? __x64_sys_mount+0x1c/0xc0
[  232.772454][ T4527]  do_syscall_64+0x4c/0xa0
[  232.776866][ T4527]  ? clear_bhb_loop+0x30/0x80
[  232.781536][ T4527]  ? clear_bhb_loop+0x30/0x80
[  232.786226][ T4527]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  232.792546][ T4527] RIP: 0033:0x7efdc1058a8a
[  232.796958][ T4527] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  232.816569][ T4527] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  232.825025][ T4527] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  232.832996][ T4527] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  232.840964][ T4527] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  232.848932][ T4527] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  232.856898][ T4527] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  232.864877][ T4527]  </TASK>
[  232.870001][ T4527] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  232.883897][ T4527] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  233.265865][ T4529] loop1: detected capacity change from 0 to 32768
[  233.282881][ T4529] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  233.291044][ T4529] CPU: 0 PID: 4529 Comm: syz.1.205 Not tainted syzkaller #0
[  233.298365][ T4529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  233.308452][ T4529] Call Trace:
[  233.311764][ T4529]  <TASK>
[  233.314718][ T4529]  dump_stack_lvl+0x188/0x250
[  233.319431][ T4529]  ? show_regs_print_info+0x20/0x20
[  233.324660][ T4529]  ? load_image+0x400/0x400
[  233.329212][ T4529]  sysfs_create_dir_ns+0x26a/0x290
[  233.334363][ T4529]  ? sysfs_warn_dup+0xa0/0xa0
[  233.339071][ T4529]  ? do_raw_spin_unlock+0x11d/0x230
[  233.344302][ T4529]  kobject_add_internal+0x6e0/0xd90
[  233.349541][ T4529]  kobject_init_and_add+0x128/0x190
[  233.354765][ T4529]  ? lockdep_softirqs_off+0x430/0x430
[  233.360185][ T4529]  ? kobject_add+0x230/0x230
[  233.364888][ T4529]  ? __init_swait_queue_head+0xa5/0x150
[  233.370437][ T4529]  gfs2_sys_fs_add+0x24f/0x4b0
[  233.375207][ T4529]  ? gfs2_recover_set+0x240/0x240
[  233.380224][ T4529]  ? snprintf+0xe5/0x140
[  233.384461][ T4529]  ? __free_pages+0x95/0x1a0
[  233.389046][ T4529]  ? vscnprintf+0x80/0x80
[  233.393390][ T4529]  gfs2_fill_super+0x120f/0x1f00
[  233.398336][ T4529]  ? gfs2_reconfigure+0xd30/0xd30
[  233.403367][ T4529]  ? sb_set_blocksize+0xa5/0xe0
[  233.408214][ T4529]  get_tree_bdev+0x3f1/0x610
[  233.412797][ T4529]  ? gfs2_reconfigure+0xd30/0xd30
[  233.417832][ T4529]  gfs2_get_tree+0x4d/0x1e0
[  233.422331][ T4529]  vfs_get_tree+0x88/0x270
[  233.426743][ T4529]  do_new_mount+0x24a/0xa40
[  233.431256][ T4529]  __se_sys_mount+0x2e3/0x3d0
[  233.435944][ T4529]  ? __x64_sys_mount+0xc0/0xc0
[  233.440744][ T4529]  ? lockdep_hardirqs_on+0x94/0x140
[  233.446154][ T4529]  ? __x64_sys_mount+0x1c/0xc0
[  233.450960][ T4529]  do_syscall_64+0x4c/0xa0
[  233.455389][ T4529]  ? clear_bhb_loop+0x30/0x80
[  233.460076][ T4529]  ? clear_bhb_loop+0x30/0x80
[  233.464755][ T4529]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  233.470666][ T4529] RIP: 0033:0x7efdc1058a8a
[  233.475085][ T4529] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  233.494772][ T4529] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  233.503220][ T4529] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  233.511207][ T4529] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  233.519174][ T4529] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  233.527151][ T4529] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  233.535232][ T4529] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  233.543299][ T4529]  </TASK>
[  233.547759][ T4529] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  233.561668][ T4529] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  233.911666][ T4530] loop1: detected capacity change from 0 to 32768
[  233.970935][ T4530] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  233.979369][ T4530] CPU: 1 PID: 4530 Comm: syz.1.206 Not tainted syzkaller #0
[  233.986701][ T4530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  233.996877][ T4530] Call Trace:
[  234.000188][ T4530]  <TASK>
[  234.003157][ T4530]  dump_stack_lvl+0x188/0x250
[  234.007870][ T4530]  ? show_regs_print_info+0x20/0x20
[  234.013096][ T4530]  ? load_image+0x400/0x400
[  234.017646][ T4530]  sysfs_create_dir_ns+0x26a/0x290
[  234.022864][ T4530]  ? sysfs_warn_dup+0xa0/0xa0
[  234.027662][ T4530]  ? do_raw_spin_unlock+0x11d/0x230
[  234.032905][ T4530]  kobject_add_internal+0x6e0/0xd90
[  234.038142][ T4530]  kobject_init_and_add+0x128/0x190
[  234.043376][ T4530]  ? lockdep_softirqs_off+0x430/0x430
[  234.048797][ T4530]  ? kobject_add+0x230/0x230
[  234.053430][ T4530]  ? __init_swait_queue_head+0xa5/0x150
[  234.059099][ T4530]  gfs2_sys_fs_add+0x24f/0x4b0
[  234.063869][ T4530]  ? gfs2_recover_set+0x240/0x240
[  234.068890][ T4530]  ? snprintf+0xe5/0x140
[  234.073127][ T4530]  ? __free_pages+0x95/0x1a0
[  234.077717][ T4530]  ? vscnprintf+0x80/0x80
[  234.082051][ T4530]  gfs2_fill_super+0x120f/0x1f00
[  234.086997][ T4530]  ? gfs2_reconfigure+0xd30/0xd30
[  234.092030][ T4530]  ? sb_set_blocksize+0xa5/0xe0
[  234.096881][ T4530]  get_tree_bdev+0x3f1/0x610
[  234.101468][ T4530]  ? gfs2_reconfigure+0xd30/0xd30
[  234.106487][ T4530]  gfs2_get_tree+0x4d/0x1e0
[  234.110987][ T4530]  vfs_get_tree+0x88/0x270
[  234.115400][ T4530]  do_new_mount+0x24a/0xa40
[  234.119917][ T4530]  __se_sys_mount+0x2e3/0x3d0
[  234.124704][ T4530]  ? __x64_sys_mount+0xc0/0xc0
[  234.129463][ T4530]  ? lockdep_hardirqs_on+0x94/0x140
[  234.134653][ T4530]  ? __x64_sys_mount+0x1c/0xc0
[  234.139434][ T4530]  do_syscall_64+0x4c/0xa0
[  234.143843][ T4530]  ? clear_bhb_loop+0x30/0x80
[  234.148515][ T4530]  ? clear_bhb_loop+0x30/0x80
[  234.153182][ T4530]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  234.159215][ T4530] RIP: 0033:0x7efdc1058a8a
[  234.163649][ T4530] 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
[  234.183264][ T4530] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  234.191681][ T4530] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  234.199648][ T4530] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  234.207615][ T4530] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  234.215667][ T4530] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  234.223731][ T4530] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  234.231719][ T4530]  </TASK>
[  234.241737][ T4530] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  234.256432][ T4530] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  234.612896][ T4531] loop1: detected capacity change from 0 to 32768
[  234.676979][ T4531] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  234.685099][ T4531] CPU: 1 PID: 4531 Comm: syz.1.207 Not tainted syzkaller #0
[  234.692510][ T4531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  234.702801][ T4531] Call Trace:
[  234.706216][ T4531]  <TASK>
[  234.709170][ T4531]  dump_stack_lvl+0x188/0x250
[  234.713900][ T4531]  ? show_regs_print_info+0x20/0x20
[  234.719135][ T4531]  ? load_image+0x400/0x400
[  234.723769][ T4531]  sysfs_create_dir_ns+0x26a/0x290
[  234.729002][ T4531]  ? sysfs_warn_dup+0xa0/0xa0
[  234.733712][ T4531]  ? do_raw_spin_unlock+0x11d/0x230
[  234.738948][ T4531]  kobject_add_internal+0x6e0/0xd90
[  234.744197][ T4531]  kobject_init_and_add+0x128/0x190
[  234.749437][ T4531]  ? lockdep_softirqs_off+0x430/0x430
[  234.754845][ T4531]  ? kobject_add+0x230/0x230
[  234.759471][ T4531]  ? __init_swait_queue_head+0xa5/0x150
[  234.765039][ T4531]  gfs2_sys_fs_add+0x24f/0x4b0
[  234.769817][ T4531]  ? gfs2_recover_set+0x240/0x240
[  234.774839][ T4531]  ? snprintf+0xe5/0x140
[  234.779324][ T4531]  ? __free_pages+0x95/0x1a0
[  234.783939][ T4531]  ? vscnprintf+0x80/0x80
[  234.788283][ T4531]  gfs2_fill_super+0x120f/0x1f00
[  234.793353][ T4531]  ? gfs2_reconfigure+0xd30/0xd30
[  234.798429][ T4531]  ? sb_set_blocksize+0xa5/0xe0
[  234.803320][ T4531]  get_tree_bdev+0x3f1/0x610
[  234.807933][ T4531]  ? gfs2_reconfigure+0xd30/0xd30
[  234.813066][ T4531]  gfs2_get_tree+0x4d/0x1e0
[  234.817614][ T4531]  vfs_get_tree+0x88/0x270
[  234.822042][ T4531]  do_new_mount+0x24a/0xa40
[  234.826560][ T4531]  __se_sys_mount+0x2e3/0x3d0
[  234.831239][ T4531]  ? __x64_sys_mount+0xc0/0xc0
[  234.836092][ T4531]  ? lockdep_hardirqs_on+0x94/0x140
[  234.841319][ T4531]  ? __x64_sys_mount+0x1c/0xc0
[  234.846126][ T4531]  do_syscall_64+0x4c/0xa0
[  234.850563][ T4531]  ? clear_bhb_loop+0x30/0x80
[  234.855237][ T4531]  ? clear_bhb_loop+0x30/0x80
[  234.859923][ T4531]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  234.865840][ T4531] RIP: 0033:0x7efdc1058a8a
[  234.870251][ T4531] 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
[  234.889861][ T4531] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  234.898296][ T4531] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  234.906264][ T4531] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  234.914231][ T4531] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  234.922195][ T4531] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  234.930170][ T4531] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  234.938245][ T4531]  </TASK>
[  234.943127][ T4531] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  234.957173][ T4531] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  235.311769][ T4532] loop1: detected capacity change from 0 to 32768
[  235.356011][ T4532] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  235.364174][ T4532] CPU: 0 PID: 4532 Comm: syz.1.208 Not tainted syzkaller #0
[  235.371497][ T4532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  235.381681][ T4532] Call Trace:
[  235.384987][ T4532]  <TASK>
[  235.387948][ T4532]  dump_stack_lvl+0x188/0x250
[  235.392666][ T4532]  ? show_regs_print_info+0x20/0x20
[  235.397893][ T4532]  ? load_image+0x400/0x400
[  235.402434][ T4532]  sysfs_create_dir_ns+0x26a/0x290
[  235.407577][ T4532]  ? sysfs_warn_dup+0xa0/0xa0
[  235.412289][ T4532]  ? do_raw_spin_unlock+0x11d/0x230
[  235.417526][ T4532]  kobject_add_internal+0x6e0/0xd90
[  235.422765][ T4532]  kobject_init_and_add+0x128/0x190
[  235.427992][ T4532]  ? lockdep_softirqs_off+0x430/0x430
[  235.433402][ T4532]  ? kobject_add+0x230/0x230
[  235.438025][ T4532]  ? __init_swait_queue_head+0xa5/0x150
[  235.443591][ T4532]  gfs2_sys_fs_add+0x24f/0x4b0
[  235.448351][ T4532]  ? gfs2_recover_set+0x240/0x240
[  235.453378][ T4532]  ? snprintf+0xe5/0x140
[  235.457614][ T4532]  ? __free_pages+0x95/0x1a0
[  235.462220][ T4532]  ? vscnprintf+0x80/0x80
[  235.466558][ T4532]  gfs2_fill_super+0x120f/0x1f00
[  235.471520][ T4532]  ? gfs2_reconfigure+0xd30/0xd30
[  235.476565][ T4532]  ? sb_set_blocksize+0xa5/0xe0
[  235.481421][ T4532]  get_tree_bdev+0x3f1/0x610
[  235.486015][ T4532]  ? gfs2_reconfigure+0xd30/0xd30
[  235.491039][ T4532]  gfs2_get_tree+0x4d/0x1e0
[  235.495543][ T4532]  vfs_get_tree+0x88/0x270
[  235.499955][ T4532]  do_new_mount+0x24a/0xa40
[  235.504458][ T4532]  __se_sys_mount+0x2e3/0x3d0
[  235.509140][ T4532]  ? __x64_sys_mount+0xc0/0xc0
[  235.513903][ T4532]  ? lockdep_hardirqs_on+0x94/0x140
[  235.519101][ T4532]  ? __x64_sys_mount+0x1c/0xc0
[  235.523877][ T4532]  do_syscall_64+0x4c/0xa0
[  235.528286][ T4532]  ? clear_bhb_loop+0x30/0x80
[  235.532952][ T4532]  ? clear_bhb_loop+0x30/0x80
[  235.537708][ T4532]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  235.543620][ T4532] RIP: 0033:0x7efdc1058a8a
[  235.548032][ T4532] 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
[  235.567630][ T4532] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.576139][ T4532] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  235.584105][ T4532] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  235.592165][ T4532] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  235.600171][ T4532] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  235.608159][ T4532] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  235.616154][ T4532]  </TASK>
[  235.620601][ T4532] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  235.634701][ T4532] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  235.999042][ T4533] loop1: detected capacity change from 0 to 32768
[  236.045430][ T4533] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  236.058873][ T4533] CPU: 0 PID: 4533 Comm: syz.1.209 Not tainted syzkaller #0
[  236.066224][ T4533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  236.076313][ T4533] Call Trace:
[  236.079619][ T4533]  <TASK>
[  236.082578][ T4533]  dump_stack_lvl+0x188/0x250
[  236.087289][ T4533]  ? show_regs_print_info+0x20/0x20
[  236.092511][ T4533]  ? load_image+0x400/0x400
[  236.097060][ T4533]  sysfs_create_dir_ns+0x26a/0x290
[  236.102214][ T4533]  ? sysfs_warn_dup+0xa0/0xa0
[  236.106924][ T4533]  ? do_raw_spin_unlock+0x11d/0x230
[  236.112164][ T4533]  kobject_add_internal+0x6e0/0xd90
[  236.117413][ T4533]  kobject_init_and_add+0x128/0x190
[  236.122653][ T4533]  ? lockdep_softirqs_off+0x430/0x430
[  236.128060][ T4533]  ? kobject_add+0x230/0x230
[  236.132688][ T4533]  ? __init_swait_queue_head+0xa5/0x150
[  236.138260][ T4533]  gfs2_sys_fs_add+0x24f/0x4b0
[  236.143028][ T4533]  ? gfs2_recover_set+0x240/0x240
[  236.148133][ T4533]  ? snprintf+0xe5/0x140
[  236.152381][ T4533]  ? __free_pages+0x95/0x1a0
[  236.156989][ T4533]  ? vscnprintf+0x80/0x80
[  236.161335][ T4533]  gfs2_fill_super+0x120f/0x1f00
[  236.166452][ T4533]  ? gfs2_reconfigure+0xd30/0xd30
[  236.171503][ T4533]  ? sb_set_blocksize+0xa5/0xe0
[  236.176370][ T4533]  get_tree_bdev+0x3f1/0x610
[  236.180959][ T4533]  ? gfs2_reconfigure+0xd30/0xd30
[  236.185982][ T4533]  gfs2_get_tree+0x4d/0x1e0
[  236.190491][ T4533]  vfs_get_tree+0x88/0x270
[  236.194925][ T4533]  do_new_mount+0x24a/0xa40
[  236.199430][ T4533]  __se_sys_mount+0x2e3/0x3d0
[  236.204102][ T4533]  ? __x64_sys_mount+0xc0/0xc0
[  236.208896][ T4533]  ? lockdep_hardirqs_on+0x94/0x140
[  236.214219][ T4533]  ? __x64_sys_mount+0x1c/0xc0
[  236.218993][ T4533]  do_syscall_64+0x4c/0xa0
[  236.223406][ T4533]  ? clear_bhb_loop+0x30/0x80
[  236.228079][ T4533]  ? clear_bhb_loop+0x30/0x80
[  236.232773][ T4533]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  236.238670][ T4533] RIP: 0033:0x7efdc1058a8a
[  236.243084][ T4533] 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
[  236.262688][ T4533] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  236.271161][ T4533] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  236.279163][ T4533] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  236.287213][ T4533] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  236.295196][ T4533] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  236.303254][ T4533] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  236.311267][ T4533]  </TASK>
[  236.315847][ T4533] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  236.329927][ T4533] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
2026/04/23 22:54:06 executed programs: 195
[  236.678648][ T4534] loop1: detected capacity change from 0 to 32768
[  236.728132][ T4534] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  236.736255][ T4534] CPU: 1 PID: 4534 Comm: syz.1.210 Not tainted syzkaller #0
[  236.743579][ T4534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  236.753777][ T4534] Call Trace:
[  236.757088][ T4534]  <TASK>
[  236.760042][ T4534]  dump_stack_lvl+0x188/0x250
[  236.764840][ T4534]  ? show_regs_print_info+0x20/0x20
[  236.770080][ T4534]  ? load_image+0x400/0x400
[  236.774631][ T4534]  sysfs_create_dir_ns+0x26a/0x290
[  236.779789][ T4534]  ? sysfs_warn_dup+0xa0/0xa0
[  236.784547][ T4534]  ? do_raw_spin_unlock+0x11d/0x230
[  236.789955][ T4534]  kobject_add_internal+0x6e0/0xd90
[  236.795613][ T4534]  kobject_init_and_add+0x128/0x190
[  236.800862][ T4534]  ? lockdep_softirqs_off+0x430/0x430
[  236.806637][ T4534]  ? kobject_add+0x230/0x230
[  236.811265][ T4534]  ? __init_swait_queue_head+0xa5/0x150
[  236.816846][ T4534]  gfs2_sys_fs_add+0x24f/0x4b0
[  236.821658][ T4534]  ? gfs2_recover_set+0x240/0x240
[  236.826681][ T4534]  ? snprintf+0xe5/0x140
[  236.830918][ T4534]  ? __free_pages+0x95/0x1a0
[  236.835505][ T4534]  ? vscnprintf+0x80/0x80
[  236.839852][ T4534]  gfs2_fill_super+0x120f/0x1f00
[  236.844917][ T4534]  ? gfs2_reconfigure+0xd30/0xd30
[  236.850038][ T4534]  ? sb_set_blocksize+0xa5/0xe0
[  236.854884][ T4534]  get_tree_bdev+0x3f1/0x610
[  236.859471][ T4534]  ? gfs2_reconfigure+0xd30/0xd30
[  236.864495][ T4534]  gfs2_get_tree+0x4d/0x1e0
[  236.868998][ T4534]  vfs_get_tree+0x88/0x270
[  236.873409][ T4534]  do_new_mount+0x24a/0xa40
[  236.877908][ T4534]  __se_sys_mount+0x2e3/0x3d0
[  236.882586][ T4534]  ? __x64_sys_mount+0xc0/0xc0
[  236.887345][ T4534]  ? lockdep_hardirqs_on+0x94/0x140
[  236.892535][ T4534]  ? __x64_sys_mount+0x1c/0xc0
[  236.897300][ T4534]  do_syscall_64+0x4c/0xa0
[  236.901720][ T4534]  ? clear_bhb_loop+0x30/0x80
[  236.906390][ T4534]  ? clear_bhb_loop+0x30/0x80
[  236.911060][ T4534]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  236.917081][ T4534] RIP: 0033:0x7efdc1058a8a
[  236.921522][ T4534] 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
[  236.941314][ T4534] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  236.949767][ T4534] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  236.957823][ T4534] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  236.965790][ T4534] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  236.973754][ T4534] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  236.981841][ T4534] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  236.989847][ T4534]  </TASK>
[  236.994238][ T4534] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  237.008023][ T4534] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  237.391753][ T4535] loop1: detected capacity change from 0 to 32768
[  237.451772][ T4535] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  237.460630][ T4535] CPU: 0 PID: 4535 Comm: syz.1.211 Not tainted syzkaller #0
[  237.467954][ T4535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  237.478036][ T4535] Call Trace:
[  237.481493][ T4535]  <TASK>
[  237.484446][ T4535]  dump_stack_lvl+0x188/0x250
[  237.489162][ T4535]  ? show_regs_print_info+0x20/0x20
[  237.494385][ T4535]  ? load_image+0x400/0x400
[  237.498935][ T4535]  sysfs_create_dir_ns+0x26a/0x290
[  237.504101][ T4535]  ? sysfs_warn_dup+0xa0/0xa0
[  237.508810][ T4535]  ? do_raw_spin_unlock+0x11d/0x230
[  237.514043][ T4535]  kobject_add_internal+0x6e0/0xd90
[  237.519289][ T4535]  kobject_init_and_add+0x128/0x190
[  237.524514][ T4535]  ? lockdep_softirqs_off+0x430/0x430
[  237.529925][ T4535]  ? kobject_add+0x230/0x230
[  237.534555][ T4535]  ? __init_swait_queue_head+0xa5/0x150
[  237.540140][ T4535]  gfs2_sys_fs_add+0x24f/0x4b0
[  237.544947][ T4535]  ? gfs2_recover_set+0x240/0x240
[  237.549970][ T4535]  ? snprintf+0xe5/0x140
[  237.554295][ T4535]  ? __free_pages+0x95/0x1a0
[  237.558881][ T4535]  ? vscnprintf+0x80/0x80
[  237.563213][ T4535]  gfs2_fill_super+0x120f/0x1f00
[  237.568154][ T4535]  ? gfs2_reconfigure+0xd30/0xd30
[  237.573351][ T4535]  ? sb_set_blocksize+0xa5/0xe0
[  237.578196][ T4535]  get_tree_bdev+0x3f1/0x610
[  237.582801][ T4535]  ? gfs2_reconfigure+0xd30/0xd30
[  237.587915][ T4535]  gfs2_get_tree+0x4d/0x1e0
[  237.592432][ T4535]  vfs_get_tree+0x88/0x270
[  237.596858][ T4535]  do_new_mount+0x24a/0xa40
[  237.601384][ T4535]  __se_sys_mount+0x2e3/0x3d0
[  237.606109][ T4535]  ? __x64_sys_mount+0xc0/0xc0
[  237.610908][ T4535]  ? lockdep_hardirqs_on+0x94/0x140
[  237.616118][ T4535]  ? __x64_sys_mount+0x1c/0xc0
[  237.620992][ T4535]  do_syscall_64+0x4c/0xa0
[  237.625428][ T4535]  ? clear_bhb_loop+0x30/0x80
[  237.630103][ T4535]  ? clear_bhb_loop+0x30/0x80
[  237.634798][ T4535]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  237.640711][ T4535] RIP: 0033:0x7efdc1058a8a
[  237.645149][ T4535] 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
[  237.664763][ T4535] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  237.673178][ T4535] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  237.681165][ T4535] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  237.689165][ T4535] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  237.697131][ T4535] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  237.705280][ T4535] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  237.713258][ T4535]  </TASK>
[  237.718145][ T4535] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  237.732185][ T4535] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  238.086665][ T4536] loop1: detected capacity change from 0 to 32768
[  238.139636][ T4536] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  238.147685][ T4536] CPU: 0 PID: 4536 Comm: syz.1.212 Not tainted syzkaller #0
[  238.155272][ T4536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  238.165443][ T4536] Call Trace:
[  238.168857][ T4536]  <TASK>
[  238.171826][ T4536]  dump_stack_lvl+0x188/0x250
[  238.176560][ T4536]  ? show_regs_print_info+0x20/0x20
[  238.181795][ T4536]  ? load_image+0x400/0x400
[  238.186337][ T4536]  sysfs_create_dir_ns+0x26a/0x290
[  238.191472][ T4536]  ? sysfs_warn_dup+0xa0/0xa0
[  238.196188][ T4536]  ? do_raw_spin_unlock+0x11d/0x230
[  238.201424][ T4536]  kobject_add_internal+0x6e0/0xd90
[  238.206664][ T4536]  kobject_init_and_add+0x128/0x190
[  238.211986][ T4536]  ? lockdep_softirqs_off+0x430/0x430
[  238.217391][ T4536]  ? kobject_add+0x230/0x230
[  238.222017][ T4536]  ? __init_swait_queue_head+0xa5/0x150
[  238.227595][ T4536]  gfs2_sys_fs_add+0x24f/0x4b0
[  238.232475][ T4536]  ? gfs2_recover_set+0x240/0x240
[  238.237560][ T4536]  ? snprintf+0xe5/0x140
[  238.241882][ T4536]  ? __free_pages+0x95/0x1a0
[  238.246476][ T4536]  ? vscnprintf+0x80/0x80
[  238.250915][ T4536]  gfs2_fill_super+0x120f/0x1f00
[  238.255882][ T4536]  ? gfs2_reconfigure+0xd30/0xd30
[  238.260913][ T4536]  ? sb_set_blocksize+0xa5/0xe0
[  238.265760][ T4536]  get_tree_bdev+0x3f1/0x610
[  238.270340][ T4536]  ? gfs2_reconfigure+0xd30/0xd30
[  238.275369][ T4536]  gfs2_get_tree+0x4d/0x1e0
[  238.279881][ T4536]  vfs_get_tree+0x88/0x270
[  238.284407][ T4536]  do_new_mount+0x24a/0xa40
[  238.288914][ T4536]  __se_sys_mount+0x2e3/0x3d0
[  238.293588][ T4536]  ? __x64_sys_mount+0xc0/0xc0
[  238.298353][ T4536]  ? lockdep_hardirqs_on+0x94/0x140
[  238.303545][ T4536]  ? __x64_sys_mount+0x1c/0xc0
[  238.308305][ T4536]  do_syscall_64+0x4c/0xa0
[  238.312760][ T4536]  ? clear_bhb_loop+0x30/0x80
[  238.317428][ T4536]  ? clear_bhb_loop+0x30/0x80
[  238.322096][ T4536]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  238.327991][ T4536] RIP: 0033:0x7efdc1058a8a
[  238.332401][ T4536] 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
[  238.352088][ T4536] RSP: 002b:00007fff5dc70668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.360499][ T4536] RAX: ffffffffffffffda RBX: 00007fff5dc706f0 RCX: 00007efdc1058a8a
[  238.368559][ T4536] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fff5dc706b0
[  238.376524][ T4536] RBP: 00002000000008c0 R08: 00007fff5dc706f0 R09: 0000000000008c1b
[  238.384505][ T4536] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  238.392484][ T4536] R13: 00007fff5dc706b0 R14: 000000000001276f R15: 0000200000000240
[  238.400913][ T4536]  </TASK>
[  238.405707][ T4536] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  238.420130][   T27] INFO: task syz-executor:4284 blocked for more than 143 seconds.
[  238.420435][ T4536] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  238.437020][   T27]       Not tainted syzkaller #0
[  238.442100][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  238.450934][   T27] task:syz-executor    state:D stack:21720 pid: 4284 ppid:     1 flags:0x00004004
[  238.460388][   T27] Call Trace:
[  238.463678][   T27]  <TASK>
[  238.466609][   T27]  __schedule+0x11ef/0x43c0
[  238.471170][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  238.476395][   T27]  ? _raw_spin_unlock_irqrestore+0xc1/0x120
[  238.482690][   T27]  ? _raw_spin_unlock+0x40/0x40
[  238.487564][   T27]  ? release_firmware_map_entry+0x190/0x190
[  238.493516][   T27]  ? __mod_timer+0x91e/0xd00
[  238.498166][   T27]  schedule+0x11b/0x1e0
[  238.502391][   T27]  schedule_timeout+0x184/0x2d0
[  238.507277][   T27]  ? console_conditional_schedule+0x40/0x40
[  238.513495][   T27]  ? update_process_times+0x200/0x200
[  238.518927][   T27]  ? prepare_to_wait_event+0x42c/0x460
[  238.524808][   T27]  gfs2_gl_hash_clear+0x1ab/0x2f0
[  238.529922][   T27]  ? thaw_glock+0x150/0x150
[  238.534447][   T27]  ? gfs2_jindex_free+0x3de/0x450
[  238.539594][   T27]  ? init_wait_entry+0xd0/0xd0
[  238.544388][   T27]  ? gfs2_setbit+0x5a0/0x5a0
[  238.548984][   T27]  gfs2_put_super+0x769/0x7d0
[  238.553721][   T27]  ? gfs2_evict_inode+0x1240/0x1240
[  238.558938][   T27]  generic_shutdown_super+0x130/0x300
[  238.564373][   T27]  kill_block_super+0x7c/0xe0
[  238.569069][   T27]  deactivate_locked_super+0x93/0xf0
[  238.574395][   T27]  cleanup_mnt+0x42d/0x4e0
[  238.578835][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  238.584337][   T27]  task_work_run+0x125/0x1a0
[  238.588956][   T27]  exit_to_user_mode_loop+0x10f/0x130
[  238.594383][   T27]  exit_to_user_mode_prepare+0xee/0x180
[  238.599985][   T27]  syscall_exit_to_user_mode+0x16/0x40
[  238.605445][   T27]  do_syscall_64+0x58/0xa0
[  238.609930][   T27]  ? clear_bhb_loop+0x30/0x80
[  238.614627][   T27]  ? clear_bhb_loop+0x30/0x80
[  238.619301][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  238.625528][   T27] RIP: 0033:0x7f85dd1b8a57
[  238.631858][   T27] RSP: 002b:00007ffc9d706ea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  238.640335][   T27] RAX: 0000000000000000 RBX: 00007f85dd24d048 RCX: 00007f85dd1b8a57
[  238.648590][   T27] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc9d706f60
[  238.656803][   T27] RBP: 00007ffc9d706f60 R08: 00007ffc9d707f60 R09: 00000000ffffffff
[  238.664934][   T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc9d707ff0
[  238.672950][   T27] R13: 00007f85dd24d048 R14: 0000000000015356 R15: 00007ffc9d708030
[  238.681069][   T27]  </TASK>
[  238.684135][   T27] 
[  238.684135][   T27] Showing all locks held in the system:
[  238.692274][   T27] 1 lock held by khungtaskd/27:
[  238.697148][   T27]  #0: ffffffff8c31eb20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[  238.706833][   T27] 2 locks held by getty/3950:
[  238.711611][   T27]  #0: ffff88814ca12098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[  238.721456][   T27]  #1: ffffc90002cf62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5df/0x1a70
[  238.731889][   T27] 1 lock held by syz-executor/4284:
[  238.737103][   T27]  #0: ffff88807da7c0e0 (&type->s_umount_key#54){++++}-{3:3}, at: deactivate_super+0xa0/0xd0
[  238.748447][   T27] 1 lock held by syz.1.212/4536:
[  238.753453][   T27]  #0: ffff8880206f6468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xaa/0xb90
[  238.762818][   T27] 
[  238.765160][   T27] =============================================
[  238.765160][   T27] 
[  238.773633][   T27] NMI backtrace for cpu 1
[  238.777994][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  238.785222][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  238.795303][   T27] Call Trace:
[  238.798613][   T27]  <TASK>
[  238.801579][   T27]  dump_stack_lvl+0x188/0x250
[  238.806295][   T27]  ? show_regs_print_info+0x20/0x20
[  238.811520][   T27]  ? load_image+0x400/0x400
[  238.816053][   T27]  ? nmi_cpu_backtrace+0x1b2/0x3d0
[  238.821223][   T27]  nmi_cpu_backtrace+0x3a2/0x3d0
[  238.826196][   T27]  ? nmi_trigger_cpumask_backtrace+0x280/0x280
[  238.832381][   T27]  ? _printk+0xda/0x130
[  238.836564][   T27]  ? load_image+0x400/0x400
[  238.841095][   T27]  ? load_image+0x400/0x400
[  238.845634][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  238.851737][   T27]  nmi_trigger_cpumask_backtrace+0x163/0x280
[  238.857745][   T27]  watchdog+0xe0f/0xe50
[  238.861943][   T27]  kthread+0x436/0x520
[  238.866044][   T27]  ? hungtask_pm_notify+0x40/0x40
[  238.871111][   T27]  ? kthread_blkcg+0xd0/0xd0
[  238.875751][   T27]  ret_from_fork+0x1f/0x30
[  238.880313][   T27]  </TASK>
[  238.883706][   T27] Sending NMI from CPU 1 to CPUs 0:
[  238.888947][    C0] NMI backtrace for cpu 0
[  238.888959][    C0] CPU: 0 PID: 4320 Comm: udevd Not tainted syzkaller #0
[  238.888975][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  238.888984][    C0] RIP: 0010:alloc_object+0x308/0x640
[  238.889004][    C0] Code: ee ce 75 12 4d 85 ff 0f 84 82 01 00 00 89 54 24 1c 4d 89 fe 49 c1 ee 03 41 80 3c 2e 00 74 08 4c 89 ff e8 cb ca d5 fd 49 8b 1f <4d> 8d 67 08 4d 89 e5 49 c1 ed 03 41 80 7c 2d 00 00 74 08 4c 89 e7
[  238.889016][    C0] RSP: 0018:ffffc9000304fc58 EFLAGS: 00000046
[  238.889031][    C0] RAX: ffff8880b9037018 RBX: ffff8880714b5620 RCX: dffffc0000000000
[  238.889042][    C0] RDX: 0000000000000005 RSI: 0000000000000004 RDI: ffffc9000304fbe0
[  238.889053][    C0] RBP: dffffc0000000000 R08: 0000000000000003 R09: 0000000000000004
[  238.889063][    C0] R10: dffffc0000000000 R11: fffff52000609f7c R12: ffff88807d4021f8
[  238.889074][    C0] R13: 1ffff1100fa80471 R14: 1ffff1100480d231 R15: ffff888024069188
[  238.889085][    C0] FS:  00007f8e592da880(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
[  238.889099][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  238.889110][    C0] CR2: 00007efdc1e08a08 CR3: 000000005cb13000 CR4: 00000000003506f0
[  238.889126][    C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  238.889135][    C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  238.889145][    C0] Call Trace:
[  238.889150][    C0]  <TASK>
[  238.889161][    C0]  debug_object_activate+0x13b/0x4e0
[  238.889178][    C0]  ? proc_nr_files+0x50/0x50
[  238.889194][    C0]  call_rcu+0xa2/0x950
[  238.889208][    C0]  ? rcu_is_watching+0x11/0xa0
[  238.889223][    C0]  ? percpu_counter_add_batch+0x13b/0x160
[  238.889248][    C0]  ? rcu_force_quiescent_state+0x230/0x230
[  238.889264][    C0]  ? __fput+0x692/0x930
[  238.889285][    C0]  task_work_run+0x125/0x1a0
[  238.889305][    C0]  exit_to_user_mode_loop+0x10f/0x130
[  238.889323][    C0]  exit_to_user_mode_prepare+0xee/0x180
[  238.889340][    C0]  syscall_exit_to_user_mode+0x16/0x40
[  238.889358][    C0]  do_syscall_64+0x58/0xa0
[  238.889384][    C0]  ? clear_bhb_loop+0x30/0x80
[  238.889401][    C0]  ? clear_bhb_loop+0x30/0x80
[  238.889419][    C0]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  238.889437][    C0] RIP: 0033:0x7f8e593c8407
[  238.889452][    C0] 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
[  238.889467][    C0] RSP: 002b:00007ffcdbc0e9a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000003
[  238.889486][    C0] RAX: 0000000000000000 RBX: 00007f8e592da880 RCX: 00007f8e593c8407
[  238.889499][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000008
[  238.889509][    C0] RBP: 00007f8e592da6e8 R08: 0000000000000000 R09: 0000000000000000
[  238.889520][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  238.889530][    C0] R13: 000055ae5919a410 R14: 0000000000000008 R15: 000055ae5919ae00
[  238.889549][    C0]  </TASK>
[  238.953195][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  239.185793][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  239.193019][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  239.203453][   T27] Call Trace:
[  239.206754][   T27]  <TASK>
[  239.208900][ T4537] loop1: detected capacity change from 0 to 32768
[  239.209703][   T27]  dump_stack_lvl+0x188/0x250
[  239.209735][   T27]  ? show_regs_print_info+0x20/0x20
[  239.209755][   T27]  ? load_image+0x400/0x400
[  239.230640][   T27]  panic+0x2e5/0x810
[  239.234539][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  239.240172][   T27]  ? bpf_jit_dump+0xd0/0xd0
[  239.244692][   T27]  ? __irq_work_queue_local+0x12c/0x190
[  239.250246][   T27]  ? nmi_trigger_cpumask_backtrace+0x260/0x280
[  239.256404][   T27]  watchdog+0xe4e/0xe50
[  239.260570][   T27]  kthread+0x436/0x520
[  239.264655][   T27]  ? hungtask_pm_notify+0x40/0x40
[  239.269718][   T27]  ? kthread_blkcg+0xd0/0xd0
[  239.274313][   T27]  ret_from_fork+0x1f/0x30
[  239.278727][   T27]  </TASK>
[  239.282169][   T27] Kernel Offset: disabled
[  239.286495][   T27] Rebooting in 86400 seconds..