fs/gfs2/syz:syz'
[  213.501092][ T5353] CPU: 0 PID: 5353 Comm: syz.1.134 Not tainted syzkaller #0
[  213.508728][ T5353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  213.519216][ T5353] Call Trace:
[  213.523040][ T5353]  <TASK>
[  213.525994][ T5353]  dump_stack_lvl+0x188/0x250
[  213.531407][ T5353]  ? show_regs_print_info+0x20/0x20
[  213.537341][ T5353]  ? load_image+0x400/0x400
[  213.542364][ T5353]  sysfs_create_dir_ns+0x26a/0x290
[  213.547895][ T5353]  ? sysfs_warn_dup+0xa0/0xa0
[  213.553344][ T5353]  ? do_raw_spin_unlock+0x11d/0x230
[  213.559772][ T5353]  kobject_add_internal+0x6e0/0xd90
[  213.565611][ T5353]  kobject_init_and_add+0x128/0x190
[  213.571020][ T5353]  ? lockdep_softirqs_off+0x430/0x430
[  213.576573][ T5353]  ? kobject_add+0x230/0x230
[  213.581306][ T5353]  ? __init_swait_queue_head+0xa5/0x150
[  213.587765][ T5353]  gfs2_sys_fs_add+0x24f/0x4b0
[  213.592920][ T5353]  ? gfs2_recover_set+0x240/0x240
[  213.598112][ T5353]  ? snprintf+0xe5/0x140
[  213.602625][ T5353]  ? __free_pages+0x95/0x1a0
[  213.607504][ T5353]  ? vscnprintf+0x80/0x80
[  213.611859][ T5353]  gfs2_fill_super+0x120f/0x1f00
[  213.617413][ T5353]  ? gfs2_reconfigure+0xd30/0xd30
[  213.622584][ T5353]  ? sb_set_blocksize+0xa5/0xe0
[  213.627895][ T5353]  get_tree_bdev+0x3f1/0x610
[  213.632780][ T5353]  ? gfs2_reconfigure+0xd30/0xd30
[  213.638705][ T5353]  gfs2_get_tree+0x4d/0x1e0
[  213.643641][ T5353]  vfs_get_tree+0x88/0x270
[  213.648098][ T5353]  do_new_mount+0x24a/0xa40
[  213.652773][ T5353]  __se_sys_mount+0x2e3/0x3d0
[  213.658165][ T5353]  ? __x64_sys_mount+0xc0/0xc0
[  213.663590][ T5353]  ? lockdep_hardirqs_on+0x94/0x140
[  213.669484][ T5353]  ? __x64_sys_mount+0x1c/0xc0
[  213.674525][ T5353]  do_syscall_64+0x4c/0xa0
[  213.679206][ T5353]  ? clear_bhb_loop+0x30/0x80
[  213.683951][ T5353]  ? clear_bhb_loop+0x30/0x80
[  213.688916][ T5353]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  213.695464][ T5353] RIP: 0033:0x7fec2a56260a
[  213.700327][ T5353] 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
[  213.723274][ T5353] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  213.732166][ T5353] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  213.741264][ T5353] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  213.750203][ T5353] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  213.758859][ T5353] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  213.767275][ T5353] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  213.775952][ T5353]  </TASK>
[  213.780383][ T5353] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  213.794908][ T5353] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  214.136900][ T5355] loop1: detected capacity change from 0 to 32768
[  214.192442][ T5355] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  214.201361][ T5355] CPU: 0 PID: 5355 Comm: syz.1.135 Not tainted syzkaller #0
[  214.209079][ T5355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  214.219900][ T5355] Call Trace:
[  214.223827][ T5355]  <TASK>
[  214.227594][ T5355]  dump_stack_lvl+0x188/0x250
[  214.232684][ T5355]  ? show_regs_print_info+0x20/0x20
[  214.238375][ T5355]  ? load_image+0x400/0x400
[  214.243021][ T5355]  sysfs_create_dir_ns+0x26a/0x290
[  214.248605][ T5355]  ? sysfs_warn_dup+0xa0/0xa0
[  214.254433][ T5355]  ? do_raw_spin_unlock+0x11d/0x230
[  214.260960][ T5355]  kobject_add_internal+0x6e0/0xd90
[  214.267236][ T5355]  kobject_init_and_add+0x128/0x190
[  214.273424][ T5355]  ? lockdep_softirqs_off+0x430/0x430
[  214.279579][ T5355]  ? kobject_add+0x230/0x230
[  214.284731][ T5355]  ? __init_swait_queue_head+0xa5/0x150
[  214.291522][ T5355]  gfs2_sys_fs_add+0x24f/0x4b0
[  214.297139][ T5355]  ? gfs2_recover_set+0x240/0x240
[  214.303049][ T5355]  ? snprintf+0xe5/0x140
[  214.308058][ T5355]  ? __free_pages+0x95/0x1a0
[  214.313513][ T5355]  ? vscnprintf+0x80/0x80
[  214.318234][ T5355]  gfs2_fill_super+0x120f/0x1f00
[  214.324097][ T5355]  ? gfs2_reconfigure+0xd30/0xd30
[  214.329718][ T5355]  ? sb_set_blocksize+0xa5/0xe0
[  214.335158][ T5355]  get_tree_bdev+0x3f1/0x610
[  214.340322][ T5355]  ? gfs2_reconfigure+0xd30/0xd30
[  214.346135][ T5355]  gfs2_get_tree+0x4d/0x1e0
[  214.351462][ T5355]  vfs_get_tree+0x88/0x270
[  214.356322][ T5355]  do_new_mount+0x24a/0xa40
[  214.361937][ T5355]  __se_sys_mount+0x2e3/0x3d0
[  214.367330][ T5355]  ? __x64_sys_mount+0xc0/0xc0
[  214.372609][ T5355]  ? lockdep_hardirqs_on+0x94/0x140
[  214.378233][ T5355]  ? __x64_sys_mount+0x1c/0xc0
[  214.383324][ T5355]  do_syscall_64+0x4c/0xa0
[  214.387841][ T5355]  ? clear_bhb_loop+0x30/0x80
[  214.392922][ T5355]  ? clear_bhb_loop+0x30/0x80
[  214.398300][ T5355]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  214.405526][ T5355] RIP: 0033:0x7fec2a56260a
[  214.410547][ T5355] 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
[  214.432300][ T5355] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  214.442039][ T5355] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  214.450711][ T5355] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  214.459226][ T5355] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  214.468071][ T5355] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  214.476842][ T5355] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  214.485413][ T5355]  </TASK>
[  214.489626][ T5355] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  214.503991][ T5355] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  214.829243][ T5357] loop1: detected capacity change from 0 to 32768
[  214.842597][ T5357] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  214.853858][ T5357] CPU: 1 PID: 5357 Comm: syz.1.136 Not tainted syzkaller #0
[  214.861743][ T5357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  214.872517][ T5357] Call Trace:
[  214.876085][ T5357]  <TASK>
[  214.879298][ T5357]  dump_stack_lvl+0x188/0x250
[  214.884148][ T5357]  ? show_regs_print_info+0x20/0x20
[  214.889740][ T5357]  ? load_image+0x400/0x400
[  214.894474][ T5357]  sysfs_create_dir_ns+0x26a/0x290
[  214.900147][ T5357]  ? sysfs_warn_dup+0xa0/0xa0
[  214.905362][ T5357]  ? do_raw_spin_unlock+0x11d/0x230
[  214.911652][ T5357]  kobject_add_internal+0x6e0/0xd90
[  214.917503][ T5357]  kobject_init_and_add+0x128/0x190
[  214.923419][ T5357]  ? lockdep_softirqs_off+0x430/0x430
[  214.929095][ T5357]  ? kobject_add+0x230/0x230
[  214.933876][ T5357]  ? __init_swait_queue_head+0xa5/0x150
[  214.939732][ T5357]  gfs2_sys_fs_add+0x24f/0x4b0
[  214.944756][ T5357]  ? gfs2_recover_set+0x240/0x240
[  214.950854][ T5357]  ? snprintf+0xe5/0x140
[  214.955504][ T5357]  ? __free_pages+0x95/0x1a0
[  214.960462][ T5357]  ? vscnprintf+0x80/0x80
[  214.965268][ T5357]  gfs2_fill_super+0x120f/0x1f00
[  214.971340][ T5357]  ? gfs2_reconfigure+0xd30/0xd30
[  214.976887][ T5357]  ? sb_set_blocksize+0xa5/0xe0
[  214.982791][ T5357]  get_tree_bdev+0x3f1/0x610
[  214.988312][ T5357]  ? gfs2_reconfigure+0xd30/0xd30
[  214.993550][ T5357]  gfs2_get_tree+0x4d/0x1e0
[  214.998275][ T5357]  vfs_get_tree+0x88/0x270
[  215.002697][ T5357]  do_new_mount+0x24a/0xa40
[  215.007547][ T5357]  __se_sys_mount+0x2e3/0x3d0
[  215.012641][ T5357]  ? __x64_sys_mount+0xc0/0xc0
[  215.017691][ T5357]  ? lockdep_hardirqs_on+0x94/0x140
[  215.023240][ T5357]  ? __x64_sys_mount+0x1c/0xc0
[  215.028180][ T5357]  do_syscall_64+0x4c/0xa0
[  215.032766][ T5357]  ? clear_bhb_loop+0x30/0x80
[  215.037707][ T5357]  ? clear_bhb_loop+0x30/0x80
[  215.042587][ T5357]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  215.048784][ T5357] RIP: 0033:0x7fec2a56260a
[  215.053769][ T5357] 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
[  215.076506][ T5357] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  215.085279][ T5357] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  215.094557][ T5357] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  215.104359][ T5357] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  215.112424][ T5357] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  215.121395][ T5357] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  215.130453][ T5357]  </TASK>
[  215.136375][ T5357] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  215.151818][ T5357] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  215.484992][ T5359] loop1: detected capacity change from 0 to 32768
[  215.535616][ T5359] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  215.543514][ T5359] CPU: 1 PID: 5359 Comm: syz.1.137 Not tainted syzkaller #0
[  215.551032][ T5359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  215.561835][ T5359] Call Trace:
[  215.565310][ T5359]  <TASK>
[  215.568390][ T5359]  dump_stack_lvl+0x188/0x250
[  215.573459][ T5359]  ? show_regs_print_info+0x20/0x20
[  215.579173][ T5359]  ? load_image+0x400/0x400
[  215.584499][ T5359]  sysfs_create_dir_ns+0x26a/0x290
[  215.589778][ T5359]  ? sysfs_warn_dup+0xa0/0xa0
[  215.594878][ T5359]  ? do_raw_spin_unlock+0x11d/0x230
[  215.600469][ T5359]  kobject_add_internal+0x6e0/0xd90
[  215.606230][ T5359]  kobject_init_and_add+0x128/0x190
[  215.612322][ T5359]  ? lockdep_softirqs_off+0x430/0x430
[  215.618232][ T5359]  ? kobject_add+0x230/0x230
[  215.623574][ T5359]  ? __init_swait_queue_head+0xa5/0x150
[  215.629416][ T5359]  gfs2_sys_fs_add+0x24f/0x4b0
[  215.634980][ T5359]  ? gfs2_recover_set+0x240/0x240
[  215.640224][ T5359]  ? snprintf+0xe5/0x140
[  215.645476][ T5359]  ? __free_pages+0x95/0x1a0
[  215.650416][ T5359]  ? vscnprintf+0x80/0x80
[  215.655243][ T5359]  gfs2_fill_super+0x120f/0x1f00
[  215.660999][ T5359]  ? gfs2_reconfigure+0xd30/0xd30
[  215.666696][ T5359]  ? sb_set_blocksize+0xa5/0xe0
[  215.672240][ T5359]  get_tree_bdev+0x3f1/0x610
[  215.677873][ T5359]  ? gfs2_reconfigure+0xd30/0xd30
[  215.683700][ T5359]  gfs2_get_tree+0x4d/0x1e0
[  215.688591][ T5359]  vfs_get_tree+0x88/0x270
[  215.693509][ T5359]  do_new_mount+0x24a/0xa40
[  215.698390][ T5359]  __se_sys_mount+0x2e3/0x3d0
[  215.703574][ T5359]  ? __x64_sys_mount+0xc0/0xc0
[  215.709077][ T5359]  ? lockdep_hardirqs_on+0x94/0x140
[  215.715045][ T5359]  ? __x64_sys_mount+0x1c/0xc0
[  215.719915][ T5359]  do_syscall_64+0x4c/0xa0
[  215.725068][ T5359]  ? clear_bhb_loop+0x30/0x80
[  215.729842][ T5359]  ? clear_bhb_loop+0x30/0x80
[  215.734881][ T5359]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  215.741302][ T5359] RIP: 0033:0x7fec2a56260a
[  215.746161][ T5359] 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
[  215.767749][ T5359] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  215.777297][ T5359] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  215.786127][ T5359] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  215.795394][ T5359] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  215.804300][ T5359] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  215.814370][ T5359] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  215.823914][ T5359]  </TASK>
[  215.829665][ T5359] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  215.843876][ T5359] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  216.170029][ T5361] loop1: detected capacity change from 0 to 32768
[  216.223087][ T5361] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  216.231167][ T5361] CPU: 0 PID: 5361 Comm: syz.1.138 Not tainted syzkaller #0
[  216.238645][ T5361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  216.249305][ T5361] Call Trace:
[  216.252908][ T5361]  <TASK>
[  216.255862][ T5361]  dump_stack_lvl+0x188/0x250
[  216.260663][ T5361]  ? show_regs_print_info+0x20/0x20
[  216.265894][ T5361]  ? load_image+0x400/0x400
[  216.270439][ T5361]  sysfs_create_dir_ns+0x26a/0x290
[  216.275872][ T5361]  ? sysfs_warn_dup+0xa0/0xa0
[  216.280983][ T5361]  ? do_raw_spin_unlock+0x11d/0x230
[  216.286217][ T5361]  kobject_add_internal+0x6e0/0xd90
[  216.291618][ T5361]  kobject_init_and_add+0x128/0x190
[  216.297285][ T5361]  ? lockdep_softirqs_off+0x430/0x430
[  216.302894][ T5361]  ? kobject_add+0x230/0x230
[  216.308051][ T5361]  ? __init_swait_queue_head+0xa5/0x150
[  216.314086][ T5361]  gfs2_sys_fs_add+0x24f/0x4b0
[  216.319340][ T5361]  ? gfs2_recover_set+0x240/0x240
[  216.324898][ T5361]  ? snprintf+0xe5/0x140
[  216.329625][ T5361]  ? __free_pages+0x95/0x1a0
[  216.334568][ T5361]  ? vscnprintf+0x80/0x80
[  216.339389][ T5361]  gfs2_fill_super+0x120f/0x1f00
[  216.344725][ T5361]  ? gfs2_reconfigure+0xd30/0xd30
[  216.350463][ T5361]  ? sb_set_blocksize+0xa5/0xe0
[  216.355800][ T5361]  get_tree_bdev+0x3f1/0x610
[  216.361016][ T5361]  ? gfs2_reconfigure+0xd30/0xd30
[  216.366233][ T5361]  gfs2_get_tree+0x4d/0x1e0
[  216.371104][ T5361]  vfs_get_tree+0x88/0x270
[  216.375785][ T5361]  do_new_mount+0x24a/0xa40
[  216.380784][ T5361]  __se_sys_mount+0x2e3/0x3d0
[  216.386203][ T5361]  ? __x64_sys_mount+0xc0/0xc0
[  216.391256][ T5361]  ? lockdep_hardirqs_on+0x94/0x140
[  216.398571][ T5361]  ? __x64_sys_mount+0x1c/0xc0
[  216.404915][ T5361]  do_syscall_64+0x4c/0xa0
[  216.411588][ T5361]  ? clear_bhb_loop+0x30/0x80
[  216.417727][ T5361]  ? clear_bhb_loop+0x30/0x80
[  216.422754][ T5361]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  216.429290][ T5361] RIP: 0033:0x7fec2a56260a
[  216.434313][ T5361] 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
[  216.454843][ T5361] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  216.464264][ T5361] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  216.472591][ T5361] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  216.481885][ T5361] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  216.490317][ T5361] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  216.498830][ T5361] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  216.507085][ T5361]  </TASK>
[  216.511177][ T5361] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  216.524901][ T5361] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  216.887330][ T5363] loop1: detected capacity change from 0 to 32768
[  216.941746][ T5363] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  216.958017][ T5363] CPU: 0 PID: 5363 Comm: syz.1.139 Not tainted syzkaller #0
[  216.966075][ T5363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  216.978276][ T5363] Call Trace:
[  216.982208][ T5363]  <TASK>
[  216.985536][ T5363]  dump_stack_lvl+0x188/0x250
[  216.991029][ T5363]  ? show_regs_print_info+0x20/0x20
[  216.996617][ T5363]  ? load_image+0x400/0x400
[  217.002038][ T5363]  sysfs_create_dir_ns+0x26a/0x290
[  217.007185][ T5363]  ? sysfs_warn_dup+0xa0/0xa0
[  217.012153][ T5363]  ? do_raw_spin_unlock+0x11d/0x230
[  217.017777][ T5363]  kobject_add_internal+0x6e0/0xd90
[  217.023941][ T5363]  kobject_init_and_add+0x128/0x190
[  217.029528][ T5363]  ? lockdep_softirqs_off+0x430/0x430
[  217.035474][ T5363]  ? kobject_add+0x230/0x230
[  217.040457][ T5363]  ? __init_swait_queue_head+0xa5/0x150
[  217.046509][ T5363]  gfs2_sys_fs_add+0x24f/0x4b0
[  217.051976][ T5363]  ? gfs2_recover_set+0x240/0x240
[  217.057347][ T5363]  ? snprintf+0xe5/0x140
[  217.062751][ T5363]  ? __free_pages+0x95/0x1a0
[  217.069620][ T5363]  ? vscnprintf+0x80/0x80
[  217.074864][ T5363]  gfs2_fill_super+0x120f/0x1f00
[  217.080505][ T5363]  ? gfs2_reconfigure+0xd30/0xd30
[  217.086511][ T5363]  ? sb_set_blocksize+0xa5/0xe0
[  217.091674][ T5363]  get_tree_bdev+0x3f1/0x610
[  217.097142][ T5363]  ? gfs2_reconfigure+0xd30/0xd30
[  217.102621][ T5363]  gfs2_get_tree+0x4d/0x1e0
[  217.107810][ T5363]  vfs_get_tree+0x88/0x270
[  217.112954][ T5363]  do_new_mount+0x24a/0xa40
[  217.118214][ T5363]  __se_sys_mount+0x2e3/0x3d0
[  217.124236][ T5363]  ? __x64_sys_mount+0xc0/0xc0
[  217.129618][ T5363]  ? lockdep_hardirqs_on+0x94/0x140
[  217.136066][ T5363]  ? __x64_sys_mount+0x1c/0xc0
[  217.142907][ T5363]  do_syscall_64+0x4c/0xa0
[  217.149744][ T5363]  ? clear_bhb_loop+0x30/0x80
[  217.155316][ T5363]  ? clear_bhb_loop+0x30/0x80
[  217.160704][ T5363]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  217.167672][ T5363] RIP: 0033:0x7fec2a56260a
[  217.172537][ T5363] 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
[  217.195198][ T5363] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  217.204200][ T5363] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  217.213329][ T5363] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  217.221938][ T5363] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  217.232337][ T5363] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  217.241622][ T5363] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  217.251375][ T5363]  </TASK>
[  217.260730][ T5363] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  217.277391][ T5363] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  217.607889][ T5365] loop1: detected capacity change from 0 to 32768
[  217.662458][ T5365] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  217.676008][ T5365] CPU: 0 PID: 5365 Comm: syz.1.140 Not tainted syzkaller #0
[  217.684589][ T5365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  217.695558][ T5365] Call Trace:
[  217.699035][ T5365]  <TASK>
[  217.702242][ T5365]  dump_stack_lvl+0x188/0x250
[  217.707312][ T5365]  ? show_regs_print_info+0x20/0x20
[  217.712777][ T5365]  ? load_image+0x400/0x400
[  217.717591][ T5365]  sysfs_create_dir_ns+0x26a/0x290
[  217.723265][ T5365]  ? sysfs_warn_dup+0xa0/0xa0
[  217.728238][ T5365]  ? do_raw_spin_unlock+0x11d/0x230
[  217.734083][ T5365]  kobject_add_internal+0x6e0/0xd90
[  217.739592][ T5365]  kobject_init_and_add+0x128/0x190
[  217.744914][ T5365]  ? lockdep_softirqs_off+0x430/0x430
[  217.750872][ T5365]  ? kobject_add+0x230/0x230
[  217.755740][ T5365]  ? __init_swait_queue_head+0xa5/0x150
[  217.762321][ T5365]  gfs2_sys_fs_add+0x24f/0x4b0
[  217.767185][ T5365]  ? gfs2_recover_set+0x240/0x240
[  217.773307][ T5365]  ? snprintf+0xe5/0x140
[  217.778202][ T5365]  ? __free_pages+0x95/0x1a0
[  217.783929][ T5365]  ? vscnprintf+0x80/0x80
[  217.788591][ T5365]  gfs2_fill_super+0x120f/0x1f00
[  217.793809][ T5365]  ? gfs2_reconfigure+0xd30/0xd30
[  217.800065][ T5365]  ? sb_set_blocksize+0xa5/0xe0
[  217.805297][ T5365]  get_tree_bdev+0x3f1/0x610
[  217.811033][ T5365]  ? gfs2_reconfigure+0xd30/0xd30
[  217.816496][ T5365]  gfs2_get_tree+0x4d/0x1e0
[  217.821548][ T5365]  vfs_get_tree+0x88/0x270
[  217.825982][ T5365]  do_new_mount+0x24a/0xa40
[  217.830866][ T5365]  __se_sys_mount+0x2e3/0x3d0
[  217.836171][ T5365]  ? __x64_sys_mount+0xc0/0xc0
[  217.841206][ T5365]  ? lockdep_hardirqs_on+0x94/0x140
[  217.846985][ T5365]  ? __x64_sys_mount+0x1c/0xc0
[  217.852369][ T5365]  do_syscall_64+0x4c/0xa0
[  217.857141][ T5365]  ? clear_bhb_loop+0x30/0x80
[  217.862082][ T5365]  ? clear_bhb_loop+0x30/0x80
[  217.867310][ T5365]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  217.873655][ T5365] RIP: 0033:0x7fec2a56260a
[  217.878947][ T5365] 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
[  217.901375][ T5365] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  217.911244][ T5365] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  217.919783][ T5365] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  217.928681][ T5365] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  217.937639][ T5365] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  217.947367][ T5365] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  217.956491][ T5365]  </TASK>
[  217.960316][ T5365] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  217.974844][ T5365] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  218.320262][ T5367] loop1: detected capacity change from 0 to 32768
[  218.369642][ T5367] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  218.386093][ T5367] CPU: 0 PID: 5367 Comm: syz.1.141 Not tainted syzkaller #0
[  218.394736][ T5367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  218.407610][ T5367] Call Trace:
[  218.411509][ T5367]  <TASK>
[  218.415100][ T5367]  dump_stack_lvl+0x188/0x250
[  218.420349][ T5367]  ? show_regs_print_info+0x20/0x20
[  218.426026][ T5367]  ? load_image+0x400/0x400
[  218.431232][ T5367]  sysfs_create_dir_ns+0x26a/0x290
[  218.436957][ T5367]  ? sysfs_warn_dup+0xa0/0xa0
[  218.442056][ T5367]  ? do_raw_spin_unlock+0x11d/0x230
[  218.447809][ T5367]  kobject_add_internal+0x6e0/0xd90
[  218.453579][ T5367]  kobject_init_and_add+0x128/0x190
[  218.459134][ T5367]  ? lockdep_softirqs_off+0x430/0x430
[  218.465418][ T5367]  ? kobject_add+0x230/0x230
[  218.470294][ T5367]  ? __init_swait_queue_head+0xa5/0x150
[  218.476197][ T5367]  gfs2_sys_fs_add+0x24f/0x4b0
[  218.481804][ T5367]  ? gfs2_recover_set+0x240/0x240
[  218.487466][ T5367]  ? snprintf+0xe5/0x140
[  218.492668][ T5367]  ? __free_pages+0x95/0x1a0
[  218.497980][ T5367]  ? vscnprintf+0x80/0x80
[  218.502601][ T5367]  gfs2_fill_super+0x120f/0x1f00
[  218.508008][ T5367]  ? gfs2_reconfigure+0xd30/0xd30
[  218.513517][ T5367]  ? sb_set_blocksize+0xa5/0xe0
[  218.519049][ T5367]  get_tree_bdev+0x3f1/0x610
[  218.524178][ T5367]  ? gfs2_reconfigure+0xd30/0xd30
[  218.529412][ T5367]  gfs2_get_tree+0x4d/0x1e0
[  218.534102][ T5367]  vfs_get_tree+0x88/0x270
[  218.538931][ T5367]  do_new_mount+0x24a/0xa40
[  218.543638][ T5367]  __se_sys_mount+0x2e3/0x3d0
[  218.548955][ T5367]  ? __x64_sys_mount+0xc0/0xc0
[  218.555038][ T5367]  ? lockdep_hardirqs_on+0x94/0x140
[  218.561535][ T5367]  ? __x64_sys_mount+0x1c/0xc0
[  218.567215][ T5367]  do_syscall_64+0x4c/0xa0
[  218.573442][ T5367]  ? clear_bhb_loop+0x30/0x80
[  218.579106][ T5367]  ? clear_bhb_loop+0x30/0x80
[  218.584849][ T5367]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  218.591338][ T5367] RIP: 0033:0x7fec2a56260a
[  218.596324][ T5367] 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
[  218.622850][ T5367] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.633034][ T5367] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  218.644303][ T5367] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  218.655470][ T5367] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  218.666923][ T5367] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  218.676149][ T5367] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  218.685843][ T5367]  </TASK>
[  218.689981][ T5367] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.706018][ T5367] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/31 15:09:44 executed programs: 127
[  219.037465][ T5369] loop1: detected capacity change from 0 to 32768
[  219.105721][ T5369] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  219.114244][ T5369] CPU: 0 PID: 5369 Comm: syz.1.142 Not tainted syzkaller #0
[  219.123129][ T5369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  219.134022][ T5369] Call Trace:
[  219.137655][ T5369]  <TASK>
[  219.140989][ T5369]  dump_stack_lvl+0x188/0x250
[  219.147799][ T5369]  ? show_regs_print_info+0x20/0x20
[  219.154365][ T5369]  ? load_image+0x400/0x400
[  219.159432][ T5369]  sysfs_create_dir_ns+0x26a/0x290
[  219.164954][ T5369]  ? sysfs_warn_dup+0xa0/0xa0
[  219.169839][ T5369]  ? do_raw_spin_unlock+0x11d/0x230
[  219.175364][ T5369]  kobject_add_internal+0x6e0/0xd90
[  219.181442][ T5369]  kobject_init_and_add+0x128/0x190
[  219.186856][ T5369]  ? lockdep_softirqs_off+0x430/0x430
[  219.192364][ T5369]  ? kobject_add+0x230/0x230
[  219.197963][ T5369]  ? __init_swait_queue_head+0xa5/0x150
[  219.204364][ T5369]  gfs2_sys_fs_add+0x24f/0x4b0
[  219.210006][ T5369]  ? gfs2_recover_set+0x240/0x240
[  219.215571][ T5369]  ? snprintf+0xe5/0x140
[  219.220786][ T5369]  ? __free_pages+0x95/0x1a0
[  219.225725][ T5369]  ? vscnprintf+0x80/0x80
[  219.230273][ T5369]  gfs2_fill_super+0x120f/0x1f00
[  219.235953][ T5369]  ? gfs2_reconfigure+0xd30/0xd30
[  219.241105][ T5369]  ? sb_set_blocksize+0xa5/0xe0
[  219.246804][ T5369]  get_tree_bdev+0x3f1/0x610
[  219.252117][ T5369]  ? gfs2_reconfigure+0xd30/0xd30
[  219.258748][ T5369]  gfs2_get_tree+0x4d/0x1e0
[  219.264089][ T5369]  vfs_get_tree+0x88/0x270
[  219.270070][ T5369]  do_new_mount+0x24a/0xa40
[  219.276767][ T5369]  __se_sys_mount+0x2e3/0x3d0
[  219.283397][ T5369]  ? __x64_sys_mount+0xc0/0xc0
[  219.290106][ T5369]  ? lockdep_hardirqs_on+0x94/0x140
[  219.295507][ T5369]  ? __x64_sys_mount+0x1c/0xc0
[  219.301309][ T5369]  do_syscall_64+0x4c/0xa0
[  219.306364][ T5369]  ? clear_bhb_loop+0x30/0x80
[  219.311591][ T5369]  ? clear_bhb_loop+0x30/0x80
[  219.316844][ T5369]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  219.323387][ T5369] RIP: 0033:0x7fec2a56260a
[  219.328382][ T5369] 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
[  219.350219][ T5369] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  219.359324][ T5369] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  219.368356][ T5369] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  219.377148][ T5369] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  219.387938][ T5369] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  219.399854][ T5369] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  219.411056][ T5369]  </TASK>
[  219.422262][ T5369] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  219.444354][ T5369] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  219.799914][ T5371] loop1: detected capacity change from 0 to 32768
[  219.839311][ T5371] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  219.847254][ T5371] CPU: 1 PID: 5371 Comm: syz.1.143 Not tainted syzkaller #0
[  219.855785][ T5371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  219.866401][ T5371] Call Trace:
[  219.869789][ T5371]  <TASK>
[  219.873102][ T5371]  dump_stack_lvl+0x188/0x250
[  219.878734][ T5371]  ? show_regs_print_info+0x20/0x20
[  219.885363][ T5371]  ? load_image+0x400/0x400
[  219.890496][ T5371]  sysfs_create_dir_ns+0x26a/0x290
[  219.896072][ T5371]  ? sysfs_warn_dup+0xa0/0xa0
[  219.900975][ T5371]  ? do_raw_spin_unlock+0x11d/0x230
[  219.907520][ T5371]  kobject_add_internal+0x6e0/0xd90
[  219.912957][ T5371]  kobject_init_and_add+0x128/0x190
[  219.918273][ T5371]  ? lockdep_softirqs_off+0x430/0x430
[  219.924031][ T5371]  ? kobject_add+0x230/0x230
[  219.929363][ T5371]  ? __init_swait_queue_head+0xa5/0x150
[  219.936160][ T5371]  gfs2_sys_fs_add+0x24f/0x4b0
[  219.941193][ T5371]  ? gfs2_recover_set+0x240/0x240
[  219.946575][ T5371]  ? snprintf+0xe5/0x140
[  219.951117][ T5371]  ? __free_pages+0x95/0x1a0
[  219.955900][ T5371]  ? vscnprintf+0x80/0x80
[  219.960607][ T5371]  gfs2_fill_super+0x120f/0x1f00
[  219.966021][ T5371]  ? gfs2_reconfigure+0xd30/0xd30
[  219.971520][ T5371]  ? sb_set_blocksize+0xa5/0xe0
[  219.976664][ T5371]  get_tree_bdev+0x3f1/0x610
[  219.981718][ T5371]  ? gfs2_reconfigure+0xd30/0xd30
[  219.987379][ T5371]  gfs2_get_tree+0x4d/0x1e0
[  219.992820][ T5371]  vfs_get_tree+0x88/0x270
[  219.998003][ T5371]  do_new_mount+0x24a/0xa40
[  220.002869][ T5371]  __se_sys_mount+0x2e3/0x3d0
[  220.007915][ T5371]  ? __x64_sys_mount+0xc0/0xc0
[  220.013155][ T5371]  ? lockdep_hardirqs_on+0x94/0x140
[  220.018659][ T5371]  ? __x64_sys_mount+0x1c/0xc0
[  220.024428][ T5371]  do_syscall_64+0x4c/0xa0
[  220.029095][ T5371]  ? clear_bhb_loop+0x30/0x80
[  220.034286][ T5371]  ? clear_bhb_loop+0x30/0x80
[  220.039242][ T5371]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  220.045235][ T5371] RIP: 0033:0x7fec2a56260a
[  220.050009][ T5371] 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
[  220.072788][ T5371] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.082804][ T5371] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  220.092935][ T5371] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  220.101530][ T5371] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  220.110795][ T5371] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  220.119907][ T5371] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  220.130070][ T5371]  </TASK>
[  220.136227][ T5371] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  220.158862][ T5371] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  220.509952][ T5373] loop1: detected capacity change from 0 to 32768
[  220.558696][ T5373] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  220.567030][ T5373] CPU: 0 PID: 5373 Comm: syz.1.144 Not tainted syzkaller #0
[  220.574894][ T5373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  220.585917][ T5373] Call Trace:
[  220.589500][ T5373]  <TASK>
[  220.592645][ T5373]  dump_stack_lvl+0x188/0x250
[  220.597631][ T5373]  ? show_regs_print_info+0x20/0x20
[  220.603128][ T5373]  ? load_image+0x400/0x400
[  220.608310][ T5373]  sysfs_create_dir_ns+0x26a/0x290
[  220.613872][ T5373]  ? sysfs_warn_dup+0xa0/0xa0
[  220.618761][ T5373]  ? do_raw_spin_unlock+0x11d/0x230
[  220.624439][ T5373]  kobject_add_internal+0x6e0/0xd90
[  220.630292][ T5373]  kobject_init_and_add+0x128/0x190
[  220.636038][ T5373]  ? lockdep_softirqs_off+0x430/0x430
[  220.641958][ T5373]  ? kobject_add+0x230/0x230
[  220.646797][ T5373]  ? __init_swait_queue_head+0xa5/0x150
[  220.652837][ T5373]  gfs2_sys_fs_add+0x24f/0x4b0
[  220.658071][ T5373]  ? gfs2_recover_set+0x240/0x240
[  220.664208][ T5373]  ? snprintf+0xe5/0x140
[  220.669407][ T5373]  ? __free_pages+0x95/0x1a0
[  220.675981][ T5373]  ? vscnprintf+0x80/0x80
[  220.680881][ T5373]  gfs2_fill_super+0x120f/0x1f00
[  220.686337][ T5373]  ? gfs2_reconfigure+0xd30/0xd30
[  220.693792][ T5373]  ? sb_set_blocksize+0xa5/0xe0
[  220.698935][ T5373]  get_tree_bdev+0x3f1/0x610
[  220.703958][ T5373]  ? gfs2_reconfigure+0xd30/0xd30
[  220.709221][ T5373]  gfs2_get_tree+0x4d/0x1e0
[  220.714373][ T5373]  vfs_get_tree+0x88/0x270
[  220.718879][ T5373]  do_new_mount+0x24a/0xa40
[  220.723561][ T5373]  __se_sys_mount+0x2e3/0x3d0
[  220.728686][ T5373]  ? __x64_sys_mount+0xc0/0xc0
[  220.734894][ T5373]  ? lockdep_hardirqs_on+0x94/0x140
[  220.740985][ T5373]  ? __x64_sys_mount+0x1c/0xc0
[  220.745775][ T5373]  do_syscall_64+0x4c/0xa0
[  220.750365][ T5373]  ? clear_bhb_loop+0x30/0x80
[  220.755400][ T5373]  ? clear_bhb_loop+0x30/0x80
[  220.760800][ T5373]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  220.768948][ T5373] RIP: 0033:0x7fec2a56260a
[  220.774314][ T5373] 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
[  220.796778][ T5373] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.807155][ T5373] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  220.816238][ T5373] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  220.825425][ T5373] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  220.834534][ T5373] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  220.843640][ T5373] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  220.854251][ T5373]  </TASK>
[  220.859431][ T5373] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  220.874188][ T5373] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  221.220049][ T5375] loop1: detected capacity change from 0 to 32768
[  221.273959][ T5375] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  221.282000][ T5375] CPU: 0 PID: 5375 Comm: syz.1.145 Not tainted syzkaller #0
[  221.290403][ T5375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  221.302077][ T5375] Call Trace:
[  221.305766][ T5375]  <TASK>
[  221.309004][ T5375]  dump_stack_lvl+0x188/0x250
[  221.313977][ T5375]  ? show_regs_print_info+0x20/0x20
[  221.320008][ T5375]  ? load_image+0x400/0x400
[  221.324903][ T5375]  sysfs_create_dir_ns+0x26a/0x290
[  221.330151][ T5375]  ? sysfs_warn_dup+0xa0/0xa0
[  221.335124][ T5375]  ? do_raw_spin_unlock+0x11d/0x230
[  221.340888][ T5375]  kobject_add_internal+0x6e0/0xd90
[  221.346298][ T5375]  kobject_init_and_add+0x128/0x190
[  221.351805][ T5375]  ? lockdep_softirqs_off+0x430/0x430
[  221.357403][ T5375]  ? kobject_add+0x230/0x230
[  221.362293][ T5375]  ? __init_swait_queue_head+0xa5/0x150
[  221.368805][ T5375]  gfs2_sys_fs_add+0x24f/0x4b0
[  221.374496][ T5375]  ? gfs2_recover_set+0x240/0x240
[  221.380028][ T5375]  ? snprintf+0xe5/0x140
[  221.384917][ T5375]  ? __free_pages+0x95/0x1a0
[  221.390912][ T5375]  ? vscnprintf+0x80/0x80
[  221.396248][ T5375]  gfs2_fill_super+0x120f/0x1f00
[  221.402041][ T5375]  ? gfs2_reconfigure+0xd30/0xd30
[  221.407526][ T5375]  ? sb_set_blocksize+0xa5/0xe0
[  221.413630][ T5375]  get_tree_bdev+0x3f1/0x610
[  221.419546][ T5375]  ? gfs2_reconfigure+0xd30/0xd30
[  221.424932][ T5375]  gfs2_get_tree+0x4d/0x1e0
[  221.431370][ T5375]  vfs_get_tree+0x88/0x270
[  221.437518][ T5375]  do_new_mount+0x24a/0xa40
[  221.443648][ T5375]  __se_sys_mount+0x2e3/0x3d0
[  221.450634][ T5375]  ? __x64_sys_mount+0xc0/0xc0
[  221.457230][ T5375]  ? lockdep_hardirqs_on+0x94/0x140
[  221.464434][ T5375]  ? __x64_sys_mount+0x1c/0xc0
[  221.471836][ T5375]  do_syscall_64+0x4c/0xa0
[  221.477220][ T5375]  ? clear_bhb_loop+0x30/0x80
[  221.482250][ T5375]  ? clear_bhb_loop+0x30/0x80
[  221.487602][ T5375]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  221.495084][ T5375] RIP: 0033:0x7fec2a56260a
[  221.500044][ T5375] 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
[  221.522427][ T5375] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  221.531956][ T5375] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  221.540287][ T5375] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  221.550033][ T5375] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  221.559935][ T5375] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  221.570994][ T5375] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  221.584531][ T5375]  </TASK>
[  221.594675][ T5375] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  221.610255][ T5375] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  221.949627][ T5377] loop1: detected capacity change from 0 to 32768
[  222.009303][ T5377] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  222.018941][ T5377] CPU: 0 PID: 5377 Comm: syz.1.146 Not tainted syzkaller #0
[  222.026560][ T5377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  222.038015][ T5377] Call Trace:
[  222.041783][ T5377]  <TASK>
[  222.045100][ T5377]  dump_stack_lvl+0x188/0x250
[  222.050276][ T5377]  ? show_regs_print_info+0x20/0x20
[  222.056040][ T5377]  ? load_image+0x400/0x400
[  222.062214][ T5377]  sysfs_create_dir_ns+0x26a/0x290
[  222.068079][ T5377]  ? sysfs_warn_dup+0xa0/0xa0
[  222.074133][ T5377]  ? do_raw_spin_unlock+0x11d/0x230
[  222.081436][ T5377]  kobject_add_internal+0x6e0/0xd90
[  222.089574][ T5377]  kobject_init_and_add+0x128/0x190
[  222.096261][ T5377]  ? lockdep_softirqs_off+0x430/0x430
[  222.102959][ T5377]  ? kobject_add+0x230/0x230
[  222.109266][ T5377]  ? __init_swait_queue_head+0xa5/0x150
[  222.117559][ T5377]  gfs2_sys_fs_add+0x24f/0x4b0
[  222.125148][ T5377]  ? gfs2_recover_set+0x240/0x240
[  222.132749][ T5377]  ? snprintf+0xe5/0x140
[  222.139761][ T5377]  ? __free_pages+0x95/0x1a0
[  222.145069][ T5377]  ? vscnprintf+0x80/0x80
[  222.151747][ T5377]  gfs2_fill_super+0x120f/0x1f00
[  222.158547][ T5377]  ? gfs2_reconfigure+0xd30/0xd30
[  222.165194][ T5377]  ? sb_set_blocksize+0xa5/0xe0
[  222.171973][ T5377]  get_tree_bdev+0x3f1/0x610
[  222.178415][ T5377]  ? gfs2_reconfigure+0xd30/0xd30
[  222.184995][ T5377]  gfs2_get_tree+0x4d/0x1e0
[  222.194189][ T5377]  vfs_get_tree+0x88/0x270
[  222.202801][ T5377]  do_new_mount+0x24a/0xa40
[  222.213862][ T5377]  __se_sys_mount+0x2e3/0x3d0
[  222.222299][ T5377]  ? __x64_sys_mount+0xc0/0xc0
[  222.228400][ T5377]  ? lockdep_hardirqs_on+0x94/0x140
[  222.235760][ T5377]  ? __x64_sys_mount+0x1c/0xc0
[  222.242578][ T5377]  do_syscall_64+0x4c/0xa0
[  222.250380][ T5377]  ? clear_bhb_loop+0x30/0x80
[  222.259507][ T5377]  ? clear_bhb_loop+0x30/0x80
[  222.266478][ T5377]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  222.278196][ T5377] RIP: 0033:0x7fec2a56260a
[  222.284911][ T5377] 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
[  222.310792][ T5377] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.322523][ T5377] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  222.333473][ T5377] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  222.344217][ T5377] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  222.355992][ T5377] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  222.368643][ T5377] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  222.379544][ T5377]  </TASK>
[  222.391136][ T5377] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  222.415430][ T5377] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  222.766168][ T5379] loop1: detected capacity change from 0 to 32768
[  222.840423][ T5379] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  222.852165][ T5379] CPU: 1 PID: 5379 Comm: syz.1.147 Not tainted syzkaller #0
[  222.861751][ T5379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  222.873513][ T5379] Call Trace:
[  222.878629][ T5379]  <TASK>
[  222.882205][ T5379]  dump_stack_lvl+0x188/0x250
[  222.888670][ T5379]  ? show_regs_print_info+0x20/0x20
[  222.895497][ T5379]  ? load_image+0x400/0x400
[  222.901675][ T5379]  sysfs_create_dir_ns+0x26a/0x290
[  222.909632][ T5379]  ? sysfs_warn_dup+0xa0/0xa0
[  222.916311][ T5379]  ? do_raw_spin_unlock+0x11d/0x230
[  222.925400][ T5379]  kobject_add_internal+0x6e0/0xd90
[  222.931308][ T5379]  kobject_init_and_add+0x128/0x190
[  222.937596][ T5379]  ? lockdep_softirqs_off+0x430/0x430
[  222.943957][ T5379]  ? kobject_add+0x230/0x230
[  222.949227][ T5379]  ? __init_swait_queue_head+0xa5/0x150
[  222.956929][ T5379]  gfs2_sys_fs_add+0x24f/0x4b0
[  222.963468][ T5379]  ? gfs2_recover_set+0x240/0x240
[  222.969244][ T5379]  ? snprintf+0xe5/0x140
[  222.974686][ T5379]  ? __free_pages+0x95/0x1a0
[  222.980366][ T5379]  ? vscnprintf+0x80/0x80
[  222.986029][ T5379]  gfs2_fill_super+0x120f/0x1f00
[  222.991759][ T5379]  ? gfs2_reconfigure+0xd30/0xd30
[  222.997185][ T5379]  ? sb_set_blocksize+0xa5/0xe0
[  223.003216][ T5379]  get_tree_bdev+0x3f1/0x610
[  223.009050][ T5379]  ? gfs2_reconfigure+0xd30/0xd30
[  223.015078][ T5379]  gfs2_get_tree+0x4d/0x1e0
[  223.020425][ T5379]  vfs_get_tree+0x88/0x270
[  223.025442][ T5379]  do_new_mount+0x24a/0xa40
[  223.030708][ T5379]  __se_sys_mount+0x2e3/0x3d0
[  223.035946][ T5379]  ? __x64_sys_mount+0xc0/0xc0
[  223.041936][ T5379]  ? lockdep_hardirqs_on+0x94/0x140
[  223.048936][ T5379]  ? __x64_sys_mount+0x1c/0xc0
[  223.056135][ T5379]  do_syscall_64+0x4c/0xa0
[  223.061983][ T5379]  ? clear_bhb_loop+0x30/0x80
[  223.067872][ T5379]  ? clear_bhb_loop+0x30/0x80
[  223.073758][ T5379]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  223.084729][ T5379] RIP: 0033:0x7fec2a56260a
[  223.089762][ T5379] 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
[  223.115162][ T5379] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.125571][ T5379] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  223.135087][ T5379] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  223.144805][ T5379] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  223.155724][ T5379] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  223.166122][ T5379] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  223.176789][ T5379]  </TASK>
[  223.183362][ T5379] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  223.199949][ T5379] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  223.572221][ T5381] loop1: detected capacity change from 0 to 32768
[  223.628975][ T5381] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  223.641264][ T5381] CPU: 1 PID: 5381 Comm: syz.1.148 Not tainted syzkaller #0
[  223.650315][ T5381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  223.665089][ T5381] Call Trace:
[  223.669568][ T5381]  <TASK>
[  223.674973][ T5381]  dump_stack_lvl+0x188/0x250
[  223.681701][ T5381]  ? show_regs_print_info+0x20/0x20
[  223.688769][ T5381]  ? load_image+0x400/0x400
[  223.695441][ T5381]  sysfs_create_dir_ns+0x26a/0x290
[  223.703113][ T5381]  ? sysfs_warn_dup+0xa0/0xa0
[  223.708718][ T5381]  ? do_raw_spin_unlock+0x11d/0x230
[  223.715044][ T5381]  kobject_add_internal+0x6e0/0xd90
[  223.722705][ T5381]  kobject_init_and_add+0x128/0x190
[  223.728890][ T5381]  ? lockdep_softirqs_off+0x430/0x430
[  223.736698][ T5381]  ? kobject_add+0x230/0x230
[  223.743441][ T5381]  ? __init_swait_queue_head+0xa5/0x150
[  223.750645][ T5381]  gfs2_sys_fs_add+0x24f/0x4b0
[  223.760373][ T5381]  ? gfs2_recover_set+0x240/0x240
[  223.769126][ T5381]  ? snprintf+0xe5/0x140
[  223.775237][ T5381]  ? __free_pages+0x95/0x1a0
[  223.785840][ T5381]  ? vscnprintf+0x80/0x80
[  223.793062][ T5381]  gfs2_fill_super+0x120f/0x1f00
[  223.801681][ T5381]  ? gfs2_reconfigure+0xd30/0xd30
[  223.812176][ T5381]  ? sb_set_blocksize+0xa5/0xe0
[  223.818940][ T5381]  get_tree_bdev+0x3f1/0x610
[  223.825717][ T5381]  ? gfs2_reconfigure+0xd30/0xd30
[  223.833145][ T5381]  gfs2_get_tree+0x4d/0x1e0
[  223.839837][ T5381]  vfs_get_tree+0x88/0x270
[  223.849478][ T5381]  do_new_mount+0x24a/0xa40
[  223.856002][ T5381]  __se_sys_mount+0x2e3/0x3d0
[  223.864697][ T5381]  ? __x64_sys_mount+0xc0/0xc0
[  223.871523][ T5381]  ? lockdep_hardirqs_on+0x94/0x140
[  223.879696][ T5381]  ? __x64_sys_mount+0x1c/0xc0
[  223.887547][ T5381]  do_syscall_64+0x4c/0xa0
[  223.898482][ T5381]  ? clear_bhb_loop+0x30/0x80
[  223.904823][ T5381]  ? clear_bhb_loop+0x30/0x80
[  223.910736][ T5381]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  223.918250][ T5381] RIP: 0033:0x7fec2a56260a
[  223.925331][ T5381] 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
[  223.951863][ T5381] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.962707][ T5381] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  223.972418][ T5381] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  223.983004][ T5381] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  223.992663][ T5381] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  224.004577][ T5381] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  224.013797][ T5381]  </TASK>
[  224.020895][ T5381] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  224.035917][ T5381] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/31 15:09:49 executed programs: 134
[  224.408025][ T5383] loop1: detected capacity change from 0 to 32768
[  224.462510][ T5383] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  224.472543][ T5383] CPU: 0 PID: 5383 Comm: syz.1.149 Not tainted syzkaller #0
[  224.480322][ T5383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  224.491676][ T5383] Call Trace:
[  224.495486][ T5383]  <TASK>
[  224.498705][ T5383]  dump_stack_lvl+0x188/0x250
[  224.504172][ T5383]  ? show_regs_print_info+0x20/0x20
[  224.509786][ T5383]  ? load_image+0x400/0x400
[  224.515298][ T5383]  sysfs_create_dir_ns+0x26a/0x290
[  224.521164][ T5383]  ? sysfs_warn_dup+0xa0/0xa0
[  224.525972][ T5383]  ? do_raw_spin_unlock+0x11d/0x230
[  224.531560][ T5383]  kobject_add_internal+0x6e0/0xd90
[  224.538037][ T5383]  kobject_init_and_add+0x128/0x190
[  224.543914][ T5383]  ? lockdep_softirqs_off+0x430/0x430
[  224.550523][ T5383]  ? kobject_add+0x230/0x230
[  224.556066][ T5383]  ? __init_swait_queue_head+0xa5/0x150
[  224.562430][ T5383]  gfs2_sys_fs_add+0x24f/0x4b0
[  224.567520][ T5383]  ? gfs2_recover_set+0x240/0x240
[  224.573442][ T5383]  ? snprintf+0xe5/0x140
[  224.578773][ T5383]  ? __free_pages+0x95/0x1a0
[  224.583813][ T5383]  ? vscnprintf+0x80/0x80
[  224.588795][ T5383]  gfs2_fill_super+0x120f/0x1f00
[  224.594024][ T5383]  ? gfs2_reconfigure+0xd30/0xd30
[  224.599857][ T5383]  ? sb_set_blocksize+0xa5/0xe0
[  224.605292][ T5383]  get_tree_bdev+0x3f1/0x610
[  224.610118][ T5383]  ? gfs2_reconfigure+0xd30/0xd30
[  224.616319][ T5383]  gfs2_get_tree+0x4d/0x1e0
[  224.621443][ T5383]  vfs_get_tree+0x88/0x270
[  224.626201][ T5383]  do_new_mount+0x24a/0xa40
[  224.631745][ T5383]  __se_sys_mount+0x2e3/0x3d0
[  224.636866][ T5383]  ? __x64_sys_mount+0xc0/0xc0
[  224.642538][ T5383]  ? lockdep_hardirqs_on+0x94/0x140
[  224.648569][ T5383]  ? __x64_sys_mount+0x1c/0xc0
[  224.654110][ T5383]  do_syscall_64+0x4c/0xa0
[  224.659227][ T5383]  ? clear_bhb_loop+0x30/0x80
[  224.664486][ T5383]  ? clear_bhb_loop+0x30/0x80
[  224.669724][ T5383]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  224.676417][ T5383] RIP: 0033:0x7fec2a56260a
[  224.681421][ T5383] 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
[  224.702371][ T5383] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.711937][ T5383] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  224.721308][ T5383] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  224.731244][ T5383] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  224.741105][ T5383] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  224.749265][ T5383] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  224.759014][ T5383]  </TASK>
[  224.770855][ T5383] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  224.788954][ T5383] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.132908][ T5385] loop1: detected capacity change from 0 to 32768
[  225.178171][ T5385] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  225.186096][ T5385] CPU: 0 PID: 5385 Comm: syz.1.150 Not tainted syzkaller #0
[  225.193754][ T5385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  225.204796][ T5385] Call Trace:
[  225.208951][ T5385]  <TASK>
[  225.212563][ T5385]  dump_stack_lvl+0x188/0x250
[  225.217984][ T5385]  ? show_regs_print_info+0x20/0x20
[  225.223654][ T5385]  ? load_image+0x400/0x400
[  225.229160][ T5385]  sysfs_create_dir_ns+0x26a/0x290
[  225.235365][ T5385]  ? sysfs_warn_dup+0xa0/0xa0
[  225.240856][ T5385]  ? do_raw_spin_unlock+0x11d/0x230
[  225.246696][ T5385]  kobject_add_internal+0x6e0/0xd90
[  225.252390][ T5385]  kobject_init_and_add+0x128/0x190
[  225.257985][ T5385]  ? lockdep_softirqs_off+0x430/0x430
[  225.263483][ T5385]  ? kobject_add+0x230/0x230
[  225.268430][ T5385]  ? __init_swait_queue_head+0xa5/0x150
[  225.274368][ T5385]  gfs2_sys_fs_add+0x24f/0x4b0
[  225.279661][ T5385]  ? gfs2_recover_set+0x240/0x240
[  225.285215][ T5385]  ? snprintf+0xe5/0x140
[  225.290087][ T5385]  ? __free_pages+0x95/0x1a0
[  225.295443][ T5385]  ? vscnprintf+0x80/0x80
[  225.299999][ T5385]  gfs2_fill_super+0x120f/0x1f00
[  225.305242][ T5385]  ? gfs2_reconfigure+0xd30/0xd30
[  225.310729][ T5385]  ? sb_set_blocksize+0xa5/0xe0
[  225.315670][ T5385]  get_tree_bdev+0x3f1/0x610
[  225.320445][ T5385]  ? gfs2_reconfigure+0xd30/0xd30
[  225.336785][ T5385]  gfs2_get_tree+0x4d/0x1e0
[  225.342233][ T5385]  vfs_get_tree+0x88/0x270
[  225.355942][ T5385]  do_new_mount+0x24a/0xa40
[  225.360814][ T5385]  __se_sys_mount+0x2e3/0x3d0
[  225.365842][ T5385]  ? __x64_sys_mount+0xc0/0xc0
[  225.373702][ T5385]  ? lockdep_hardirqs_on+0x94/0x140
[  225.379792][ T5385]  ? __x64_sys_mount+0x1c/0xc0
[  225.385522][ T5385]  do_syscall_64+0x4c/0xa0
[  225.391028][ T5385]  ? clear_bhb_loop+0x30/0x80
[  225.396386][ T5385]  ? clear_bhb_loop+0x30/0x80
[  225.401751][ T5385]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  225.408176][ T5385] RIP: 0033:0x7fec2a56260a
[  225.413670][ T5385] 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
[  225.438139][ T5385] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.447787][ T5385] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  225.457512][ T5385] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  225.466686][ T5385] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  225.475679][ T5385] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  225.484871][ T5385] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  225.493892][ T5385]  </TASK>
[  225.497986][ T5385] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  225.513760][ T5385] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.859525][ T5387] loop1: detected capacity change from 0 to 32768
[  225.923937][ T5387] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  225.938724][ T5387] CPU: 0 PID: 5387 Comm: syz.1.151 Not tainted syzkaller #0
[  225.947578][ T5387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  225.958624][ T5387] Call Trace:
[  225.962050][ T5387]  <TASK>
[  225.965371][ T5387]  dump_stack_lvl+0x188/0x250
[  225.970463][ T5387]  ? show_regs_print_info+0x20/0x20
[  225.976270][ T5387]  ? load_image+0x400/0x400
[  225.982994][ T5387]  sysfs_create_dir_ns+0x26a/0x290
[  225.988843][ T5387]  ? sysfs_warn_dup+0xa0/0xa0
[  225.994344][ T5387]  ? do_raw_spin_unlock+0x11d/0x230
[  226.000667][ T5387]  kobject_add_internal+0x6e0/0xd90
[  226.007506][ T5387]  kobject_init_and_add+0x128/0x190
[  226.013962][ T5387]  ? lockdep_softirqs_off+0x430/0x430
[  226.019670][ T5387]  ? kobject_add+0x230/0x230
[  226.025272][ T5387]  ? __init_swait_queue_head+0xa5/0x150
[  226.031819][ T5387]  gfs2_sys_fs_add+0x24f/0x4b0
[  226.037483][ T5387]  ? gfs2_recover_set+0x240/0x240
[  226.043818][ T5387]  ? snprintf+0xe5/0x140
[  226.048641][ T5387]  ? __free_pages+0x95/0x1a0
[  226.053887][ T5387]  ? vscnprintf+0x80/0x80
[  226.059514][ T5387]  gfs2_fill_super+0x120f/0x1f00
[  226.065800][ T5387]  ? gfs2_reconfigure+0xd30/0xd30
[  226.071797][ T5387]  ? sb_set_blocksize+0xa5/0xe0
[  226.078414][ T5387]  get_tree_bdev+0x3f1/0x610
[  226.083984][ T5387]  ? gfs2_reconfigure+0xd30/0xd30
[  226.090236][ T5387]  gfs2_get_tree+0x4d/0x1e0
[  226.097008][ T5387]  vfs_get_tree+0x88/0x270
[  226.103440][ T5387]  do_new_mount+0x24a/0xa40
[  226.109642][ T5387]  __se_sys_mount+0x2e3/0x3d0
[  226.117178][ T5387]  ? __x64_sys_mount+0xc0/0xc0
[  226.125611][ T5387]  ? lockdep_hardirqs_on+0x94/0x140
[  226.132799][ T5387]  ? __x64_sys_mount+0x1c/0xc0
[  226.139779][ T5387]  do_syscall_64+0x4c/0xa0
[  226.148963][ T5387]  ? clear_bhb_loop+0x30/0x80
[  226.157803][ T5387]  ? clear_bhb_loop+0x30/0x80
[  226.167974][ T5387]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  226.182538][ T5387] RIP: 0033:0x7fec2a56260a
[  226.188331][ T5387] 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
[  226.214620][ T5387] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.224544][ T5387] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  226.234338][ T5387] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  226.243366][ T5387] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  226.252254][ T5387] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  226.260676][ T5387] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  226.269616][ T5387]  </TASK>
[  226.273829][ T5387] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.288933][ T5387] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  226.628104][ T5389] loop1: detected capacity change from 0 to 32768
[  226.690496][ T5389] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.701732][ T5389] CPU: 0 PID: 5389 Comm: syz.1.152 Not tainted syzkaller #0
[  226.715983][ T5389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  226.727033][ T5389] Call Trace:
[  226.730766][ T5389]  <TASK>
[  226.734259][ T5389]  dump_stack_lvl+0x188/0x250
[  226.740475][ T5389]  ? show_regs_print_info+0x20/0x20
[  226.747108][ T5389]  ? load_image+0x400/0x400
[  226.752978][ T5389]  sysfs_create_dir_ns+0x26a/0x290
[  226.759525][ T5389]  ? sysfs_warn_dup+0xa0/0xa0
[  226.766483][ T5389]  ? do_raw_spin_unlock+0x11d/0x230
[  226.777237][ T5389]  kobject_add_internal+0x6e0/0xd90
[  226.786758][ T5389]  kobject_init_and_add+0x128/0x190
[  226.793738][ T5389]  ? lockdep_softirqs_off+0x430/0x430
[  226.800300][ T5389]  ? kobject_add+0x230/0x230
[  226.806674][ T5389]  ? __init_swait_queue_head+0xa5/0x150
[  226.816631][ T5389]  gfs2_sys_fs_add+0x24f/0x4b0
[  226.822793][ T5389]  ? gfs2_recover_set+0x240/0x240
[  226.829892][ T5389]  ? snprintf+0xe5/0x140
[  226.835959][ T5389]  ? __free_pages+0x95/0x1a0
[  226.841459][ T5389]  ? vscnprintf+0x80/0x80
[  226.847069][ T5389]  gfs2_fill_super+0x120f/0x1f00
[  226.853454][ T5389]  ? gfs2_reconfigure+0xd30/0xd30
[  226.859684][ T5389]  ? sb_set_blocksize+0xa5/0xe0
[  226.865739][ T5389]  get_tree_bdev+0x3f1/0x610
[  226.871475][ T5389]  ? gfs2_reconfigure+0xd30/0xd30
[  226.878536][ T5389]  gfs2_get_tree+0x4d/0x1e0
[  226.885435][ T5389]  vfs_get_tree+0x88/0x270
[  226.891442][ T5389]  do_new_mount+0x24a/0xa40
[  226.897522][ T5389]  __se_sys_mount+0x2e3/0x3d0
[  226.905623][ T5389]  ? __x64_sys_mount+0xc0/0xc0
[  226.913821][ T5389]  ? lockdep_hardirqs_on+0x94/0x140
[  226.927556][ T5389]  ? __x64_sys_mount+0x1c/0xc0
[  226.935624][ T5389]  do_syscall_64+0x4c/0xa0
[  226.945924][ T5389]  ? clear_bhb_loop+0x30/0x80
[  226.953157][ T5389]  ? clear_bhb_loop+0x30/0x80
[  226.959501][ T5389]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  226.968121][ T5389] RIP: 0033:0x7fec2a56260a
[  226.974835][ T5389] 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
[  227.001296][ T5389] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.012403][ T5389] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  227.021466][ T5389] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  227.030266][ T5389] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  227.040041][ T5389] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  227.049768][ T5389] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  227.060884][ T5389]  </TASK>
[  227.070809][ T5389] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.091754][ T5389] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  227.453068][ T5391] loop1: detected capacity change from 0 to 32768
[  227.546135][ T5391] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  227.554716][ T5391] CPU: 0 PID: 5391 Comm: syz.1.153 Not tainted syzkaller #0
[  227.563249][ T5391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  227.576355][ T5391] Call Trace:
[  227.581517][ T5391]  <TASK>
[  227.585152][ T5391]  dump_stack_lvl+0x188/0x250
[  227.590058][ T5391]  ? show_regs_print_info+0x20/0x20
[  227.597039][ T5391]  ? load_image+0x400/0x400
[  227.602018][ T5391]  sysfs_create_dir_ns+0x26a/0x290
[  227.608149][ T5391]  ? sysfs_warn_dup+0xa0/0xa0
[  227.613444][ T5391]  ? do_raw_spin_unlock+0x11d/0x230
[  227.626433][ T5391]  kobject_add_internal+0x6e0/0xd90
[  227.640440][ T5391]  kobject_init_and_add+0x128/0x190
[  227.647011][ T5391]  ? lockdep_softirqs_off+0x430/0x430
[  227.653338][ T5391]  ? kobject_add+0x230/0x230
[  227.658553][ T5391]  ? __init_swait_queue_head+0xa5/0x150
[  227.665336][ T5391]  gfs2_sys_fs_add+0x24f/0x4b0
[  227.670681][ T5391]  ? gfs2_recover_set+0x240/0x240
[  227.676548][ T5391]  ? snprintf+0xe5/0x140
[  227.681339][ T5391]  ? __free_pages+0x95/0x1a0
[  227.686544][ T5391]  ? vscnprintf+0x80/0x80
[  227.692367][ T5391]  gfs2_fill_super+0x120f/0x1f00
[  227.698341][ T5391]  ? gfs2_reconfigure+0xd30/0xd30
[  227.704551][ T5391]  ? sb_set_blocksize+0xa5/0xe0
[  227.710117][ T5391]  get_tree_bdev+0x3f1/0x610
[  227.714980][ T5391]  ? gfs2_reconfigure+0xd30/0xd30
[  227.720597][ T5391]  gfs2_get_tree+0x4d/0x1e0
[  227.725320][ T5391]  vfs_get_tree+0x88/0x270
[  227.730079][ T5391]  do_new_mount+0x24a/0xa40
[  227.735100][ T5391]  __se_sys_mount+0x2e3/0x3d0
[  227.740907][ T5391]  ? __x64_sys_mount+0xc0/0xc0
[  227.747229][ T5391]  ? lockdep_hardirqs_on+0x94/0x140
[  227.753085][ T5391]  ? __x64_sys_mount+0x1c/0xc0
[  227.758673][ T5391]  do_syscall_64+0x4c/0xa0
[  227.763572][ T5391]  ? clear_bhb_loop+0x30/0x80
[  227.769013][ T5391]  ? clear_bhb_loop+0x30/0x80
[  227.774519][ T5391]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  227.781934][ T5391] RIP: 0033:0x7fec2a56260a
[  227.788238][ T5391] 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
[  227.814632][ T5391] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.826586][ T5391] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  227.836919][ T5391] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  227.848380][ T5391] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  227.857966][ T5391] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  227.868265][ T5391] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  227.879334][ T5391]  </TASK>
[  227.884644][ T5391] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.900952][ T5391] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  228.246839][ T5393] loop1: detected capacity change from 0 to 32768
[  228.309425][ T5393] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.318514][ T5393] CPU: 0 PID: 5393 Comm: syz.1.154 Not tainted syzkaller #0
[  228.329254][ T5393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  228.340249][ T5393] Call Trace:
[  228.344610][ T5393]  <TASK>
[  228.347569][ T5393]  dump_stack_lvl+0x188/0x250
[  228.352982][ T5393]  ? show_regs_print_info+0x20/0x20
[  228.358538][ T5393]  ? load_image+0x400/0x400
[  228.363935][ T5393]  sysfs_create_dir_ns+0x26a/0x290
[  228.369357][ T5393]  ? sysfs_warn_dup+0xa0/0xa0
[  228.375639][ T5393]  ? do_raw_spin_unlock+0x11d/0x230
[  228.382235][ T5393]  kobject_add_internal+0x6e0/0xd90
[  228.388663][ T5393]  kobject_init_and_add+0x128/0x190
[  228.394510][ T5393]  ? lockdep_softirqs_off+0x430/0x430
[  228.401254][ T5393]  ? kobject_add+0x230/0x230
[  228.407524][ T5393]  ? __init_swait_queue_head+0xa5/0x150
[  228.414215][ T5393]  gfs2_sys_fs_add+0x24f/0x4b0
[  228.420523][ T5393]  ? gfs2_recover_set+0x240/0x240
[  228.427692][ T5393]  ? snprintf+0xe5/0x140
[  228.432623][ T5393]  ? __free_pages+0x95/0x1a0
[  228.438284][ T5393]  ? vscnprintf+0x80/0x80
[  228.443309][ T5393]  gfs2_fill_super+0x120f/0x1f00
[  228.448924][ T5393]  ? gfs2_reconfigure+0xd30/0xd30
[  228.454700][ T5393]  ? sb_set_blocksize+0xa5/0xe0
[  228.460917][ T5393]  get_tree_bdev+0x3f1/0x610
[  228.468098][ T5393]  ? gfs2_reconfigure+0xd30/0xd30
[  228.474485][ T5393]  gfs2_get_tree+0x4d/0x1e0
[  228.479652][ T5393]  vfs_get_tree+0x88/0x270
[  228.484669][ T5393]  do_new_mount+0x24a/0xa40
[  228.489496][ T5393]  __se_sys_mount+0x2e3/0x3d0
[  228.495081][ T5393]  ? __x64_sys_mount+0xc0/0xc0
[  228.501121][ T5393]  ? lockdep_hardirqs_on+0x94/0x140
[  228.507387][ T5393]  ? __x64_sys_mount+0x1c/0xc0
[  228.513183][ T5393]  do_syscall_64+0x4c/0xa0
[  228.519058][ T5393]  ? clear_bhb_loop+0x30/0x80
[  228.524381][ T5393]  ? clear_bhb_loop+0x30/0x80
[  228.529731][ T5393]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  228.536503][ T5393] RIP: 0033:0x7fec2a56260a
[  228.541494][ T5393] 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
[  228.565458][ T5393] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  228.576138][ T5393] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  228.586578][ T5393] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  228.596528][ T5393] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  228.606448][ T5393] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  228.616351][ T5393] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  228.624867][ T5393]  </TASK>
[  228.628879][ T5393] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  228.642750][ T5393] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  228.974440][ T5395] loop1: detected capacity change from 0 to 32768
[  229.036182][ T5395] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  229.045742][ T5395] CPU: 1 PID: 5395 Comm: syz.1.155 Not tainted syzkaller #0
[  229.053867][ T5395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  229.065496][ T5395] Call Trace:
[  229.069561][ T5395]  <TASK>
[  229.072688][ T5395]  dump_stack_lvl+0x188/0x250
[  229.078109][ T5395]  ? show_regs_print_info+0x20/0x20
[  229.083872][ T5395]  ? load_image+0x400/0x400
[  229.089025][ T5395]  sysfs_create_dir_ns+0x26a/0x290
[  229.094682][ T5395]  ? sysfs_warn_dup+0xa0/0xa0
[  229.099734][ T5395]  ? do_raw_spin_unlock+0x11d/0x230
[  229.105405][ T5395]  kobject_add_internal+0x6e0/0xd90
[  229.111092][ T5395]  kobject_init_and_add+0x128/0x190
[  229.117164][ T5395]  ? lockdep_softirqs_off+0x430/0x430
[  229.123917][ T5395]  ? kobject_add+0x230/0x230
[  229.129504][ T5395]  ? __init_swait_queue_head+0xa5/0x150
[  229.136001][ T5395]  gfs2_sys_fs_add+0x24f/0x4b0
[  229.142406][ T5395]  ? gfs2_recover_set+0x240/0x240
[  229.149824][ T5395]  ? snprintf+0xe5/0x140
[  229.154884][ T5395]  ? __free_pages+0x95/0x1a0
[  229.160710][ T5395]  ? vscnprintf+0x80/0x80
[  229.165995][ T5395]  gfs2_fill_super+0x120f/0x1f00
[  229.171237][ T5395]  ? gfs2_reconfigure+0xd30/0xd30
[  229.176955][ T5395]  ? sb_set_blocksize+0xa5/0xe0
[  229.182367][ T5395]  get_tree_bdev+0x3f1/0x610
[  229.187250][ T5395]  ? gfs2_reconfigure+0xd30/0xd30
[  229.192475][ T5395]  gfs2_get_tree+0x4d/0x1e0
[  229.197533][ T5395]  vfs_get_tree+0x88/0x270
[  229.202262][ T5395]  do_new_mount+0x24a/0xa40
[  229.207386][ T5395]  __se_sys_mount+0x2e3/0x3d0
[  229.212468][ T5395]  ? __x64_sys_mount+0xc0/0xc0
[  229.218158][ T5395]  ? lockdep_hardirqs_on+0x94/0x140
[  229.224091][ T5395]  ? __x64_sys_mount+0x1c/0xc0
[  229.230840][ T5395]  do_syscall_64+0x4c/0xa0
[  229.235612][ T5395]  ? clear_bhb_loop+0x30/0x80
[  229.241800][ T5395]  ? clear_bhb_loop+0x30/0x80
[  229.247952][ T5395]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  229.254142][ T5395] RIP: 0033:0x7fec2a56260a
[  229.259125][ T5395] 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
[  229.281837][ T5395] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.292112][ T5395] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  229.300615][ T5395] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  229.308944][ T5395] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  229.318253][ T5395] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  229.327022][ T5395] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  229.336224][ T5395]  </TASK>
[  229.342646][ T5395] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.358097][ T5395] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/31 15:09:54 executed programs: 141
[  229.690741][ T5398] loop1: detected capacity change from 0 to 32768
[  229.753932][ T5398] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  229.762339][ T5398] CPU: 0 PID: 5398 Comm: syz.1.156 Not tainted syzkaller #0
[  229.771765][ T5398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  229.785339][ T5398] Call Trace:
[  229.791274][ T5398]  <TASK>
[  229.795152][ T5398]  dump_stack_lvl+0x188/0x250
[  229.800617][ T5398]  ? show_regs_print_info+0x20/0x20
[  229.806824][ T5398]  ? load_image+0x400/0x400
[  229.812656][ T5398]  sysfs_create_dir_ns+0x26a/0x290
[  229.818835][ T5398]  ? sysfs_warn_dup+0xa0/0xa0
[  229.823897][ T5398]  ? do_raw_spin_unlock+0x11d/0x230
[  229.830713][ T5398]  kobject_add_internal+0x6e0/0xd90
[  229.837360][ T5398]  kobject_init_and_add+0x128/0x190
[  229.844134][ T5398]  ? lockdep_softirqs_off+0x430/0x430
[  229.851749][ T5398]  ? kobject_add+0x230/0x230
[  229.857805][ T5398]  ? __init_swait_queue_head+0xa5/0x150
[  229.865527][ T5398]  gfs2_sys_fs_add+0x24f/0x4b0
[  229.870719][ T5398]  ? gfs2_recover_set+0x240/0x240
[  229.876873][ T5398]  ? snprintf+0xe5/0x140
[  229.881824][ T5398]  ? __free_pages+0x95/0x1a0
[  229.887195][ T5398]  ? vscnprintf+0x80/0x80
[  229.892025][ T5398]  gfs2_fill_super+0x120f/0x1f00
[  229.897571][ T5398]  ? gfs2_reconfigure+0xd30/0xd30
[  229.903612][ T5398]  ? sb_set_blocksize+0xa5/0xe0
[  229.909824][ T5398]  get_tree_bdev+0x3f1/0x610
[  229.915368][ T5398]  ? gfs2_reconfigure+0xd30/0xd30
[  229.922646][ T5398]  gfs2_get_tree+0x4d/0x1e0
[  229.929074][ T5398]  vfs_get_tree+0x88/0x270
[  229.934135][ T5398]  do_new_mount+0x24a/0xa40
[  229.939796][ T5398]  __se_sys_mount+0x2e3/0x3d0
[  229.945806][ T5398]  ? __x64_sys_mount+0xc0/0xc0
[  229.952792][ T5398]  ? lockdep_hardirqs_on+0x94/0x140
[  229.959590][ T5398]  ? __x64_sys_mount+0x1c/0xc0
[  229.965143][ T5398]  do_syscall_64+0x4c/0xa0
[  229.970401][ T5398]  ? clear_bhb_loop+0x30/0x80
[  229.975603][ T5398]  ? clear_bhb_loop+0x30/0x80
[  229.980776][ T5398]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  229.988116][ T5398] RIP: 0033:0x7fec2a56260a
[  229.993688][ T5398] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  230.015996][ T5398] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.025279][ T5398] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  230.034005][ T5398] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  230.042553][ T5398] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  230.051070][ T5398] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  230.059773][ T5398] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  230.069782][ T5398]  </TASK>
[  230.074865][ T5398] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  230.092061][ T5398] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  230.445638][ T5401] loop1: detected capacity change from 0 to 32768
[  230.469039][ T5401] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  230.480127][ T5401] CPU: 0 PID: 5401 Comm: syz.1.157 Not tainted syzkaller #0
[  230.487811][ T5401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  230.499610][ T5401] Call Trace:
[  230.503330][ T5401]  <TASK>
[  230.506755][ T5401]  dump_stack_lvl+0x188/0x250
[  230.512669][ T5401]  ? show_regs_print_info+0x20/0x20
[  230.521126][ T5401]  ? load_image+0x400/0x400
[  230.526288][ T5401]  sysfs_create_dir_ns+0x26a/0x290
[  230.533744][ T5401]  ? sysfs_warn_dup+0xa0/0xa0
[  230.538732][ T5401]  ? do_raw_spin_unlock+0x11d/0x230
[  230.544956][ T5401]  kobject_add_internal+0x6e0/0xd90
[  230.550572][ T5401]  kobject_init_and_add+0x128/0x190
[  230.556743][ T5401]  ? lockdep_softirqs_off+0x430/0x430
[  230.562275][ T5401]  ? kobject_add+0x230/0x230
[  230.567489][ T5401]  ? __init_swait_queue_head+0xa5/0x150
[  230.573260][ T5401]  gfs2_sys_fs_add+0x24f/0x4b0
[  230.578650][ T5401]  ? gfs2_recover_set+0x240/0x240
[  230.583900][ T5401]  ? snprintf+0xe5/0x140
[  230.588815][ T5401]  ? __free_pages+0x95/0x1a0
[  230.593887][ T5401]  ? vscnprintf+0x80/0x80
[  230.598328][ T5401]  gfs2_fill_super+0x120f/0x1f00
[  230.603938][ T5401]  ? gfs2_reconfigure+0xd30/0xd30
[  230.609531][ T5401]  ? sb_set_blocksize+0xa5/0xe0
[  230.614869][ T5401]  get_tree_bdev+0x3f1/0x610
[  230.619823][ T5401]  ? gfs2_reconfigure+0xd30/0xd30
[  230.625083][ T5401]  gfs2_get_tree+0x4d/0x1e0
[  230.630435][ T5401]  vfs_get_tree+0x88/0x270
[  230.635421][ T5401]  do_new_mount+0x24a/0xa40
[  230.640750][ T5401]  __se_sys_mount+0x2e3/0x3d0
[  230.646200][ T5401]  ? __x64_sys_mount+0xc0/0xc0
[  230.651717][ T5401]  ? lockdep_hardirqs_on+0x94/0x140
[  230.657570][ T5401]  ? __x64_sys_mount+0x1c/0xc0
[  230.663332][ T5401]  do_syscall_64+0x4c/0xa0
[  230.667971][ T5401]  ? clear_bhb_loop+0x30/0x80
[  230.672892][ T5401]  ? clear_bhb_loop+0x30/0x80
[  230.677760][ T5401]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  230.684182][ T5401] RIP: 0033:0x7fec2a56260a
[  230.689230][ T5401] 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
[  230.711348][ T5401] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.721153][ T5401] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  230.730719][ T5401] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  230.740087][ T5401] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  230.750809][ T5401] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  230.760225][ T5401] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  230.769742][ T5401]  </TASK>
[  230.778549][ T5401] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  230.792996][ T5401] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  231.130341][ T5403] loop1: detected capacity change from 0 to 32768
[  231.150467][ T5403] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  231.160190][ T5403] CPU: 1 PID: 5403 Comm: syz.1.158 Not tainted syzkaller #0
[  231.168109][ T5403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  231.179769][ T5403] Call Trace:
[  231.183421][ T5403]  <TASK>
[  231.187118][ T5403]  dump_stack_lvl+0x188/0x250
[  231.192096][ T5403]  ? show_regs_print_info+0x20/0x20
[  231.197886][ T5403]  ? load_image+0x400/0x400
[  231.203228][ T5403]  sysfs_create_dir_ns+0x26a/0x290
[  231.210121][ T5403]  ? sysfs_warn_dup+0xa0/0xa0
[  231.215900][ T5403]  ? do_raw_spin_unlock+0x11d/0x230
[  231.222219][ T5403]  kobject_add_internal+0x6e0/0xd90
[  231.228602][ T5403]  kobject_init_and_add+0x128/0x190
[  231.234298][ T5403]  ? lockdep_softirqs_off+0x430/0x430
[  231.241398][ T5403]  ? kobject_add+0x230/0x230
[  231.246984][ T5403]  ? __init_swait_queue_head+0xa5/0x150
[  231.255255][ T5403]  gfs2_sys_fs_add+0x24f/0x4b0
[  231.260454][ T5403]  ? gfs2_recover_set+0x240/0x240
[  231.265943][ T5403]  ? snprintf+0xe5/0x140
[  231.271016][ T5403]  ? __free_pages+0x95/0x1a0
[  231.276022][ T5403]  ? vscnprintf+0x80/0x80
[  231.280636][ T5403]  gfs2_fill_super+0x120f/0x1f00
[  231.285945][ T5403]  ? gfs2_reconfigure+0xd30/0xd30
[  231.291701][ T5403]  ? sb_set_blocksize+0xa5/0xe0
[  231.297350][ T5403]  get_tree_bdev+0x3f1/0x610
[  231.302308][ T5403]  ? gfs2_reconfigure+0xd30/0xd30
[  231.308368][ T5403]  gfs2_get_tree+0x4d/0x1e0
[  231.312987][ T5403]  vfs_get_tree+0x88/0x270
[  231.317682][ T5403]  do_new_mount+0x24a/0xa40
[  231.322589][ T5403]  __se_sys_mount+0x2e3/0x3d0
[  231.327820][ T5403]  ? __x64_sys_mount+0xc0/0xc0
[  231.333321][ T5403]  ? lockdep_hardirqs_on+0x94/0x140
[  231.339397][ T5403]  ? __x64_sys_mount+0x1c/0xc0
[  231.344431][ T5403]  do_syscall_64+0x4c/0xa0
[  231.349040][ T5403]  ? clear_bhb_loop+0x30/0x80
[  231.353907][ T5403]  ? clear_bhb_loop+0x30/0x80
[  231.359306][ T5403]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  231.365916][ T5403] RIP: 0033:0x7fec2a56260a
[  231.370864][ T5403] 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
[  231.392518][ T5403] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.401737][ T5403] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  231.410484][ T5403] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  231.420136][ T5403] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  231.428914][ T5403] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  231.438535][ T5403] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  231.448946][ T5403]  </TASK>
[  231.460331][ T5403] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.475021][ T5403] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  231.837143][ T5408] loop1: detected capacity change from 0 to 32768
[  231.889694][ T5408] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  231.902816][ T5408] CPU: 1 PID: 5408 Comm: syz.1.159 Not tainted syzkaller #0
[  231.910238][ T5408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  231.921122][ T5408] Call Trace:
[  231.924430][ T5408]  <TASK>
[  231.927562][ T5408]  dump_stack_lvl+0x188/0x250
[  231.933231][ T5408]  ? show_regs_print_info+0x20/0x20
[  231.938899][ T5408]  ? load_image+0x400/0x400
[  231.944026][ T5408]  sysfs_create_dir_ns+0x26a/0x290
[  231.949620][ T5408]  ? sysfs_warn_dup+0xa0/0xa0
[  231.954351][ T5408]  ? do_raw_spin_unlock+0x11d/0x230
[  231.959796][ T5408]  kobject_add_internal+0x6e0/0xd90
[  231.965650][ T5408]  kobject_init_and_add+0x128/0x190
[  231.971250][ T5408]  ? lockdep_softirqs_off+0x430/0x430
[  231.977186][ T5408]  ? kobject_add+0x230/0x230
[  231.981990][ T5408]  ? __init_swait_queue_head+0xa5/0x150
[  231.987751][ T5408]  gfs2_sys_fs_add+0x24f/0x4b0
[  231.993354][ T5408]  ? gfs2_recover_set+0x240/0x240
[  231.999169][ T5408]  ? snprintf+0xe5/0x140
[  232.004167][ T5408]  ? __free_pages+0x95/0x1a0
[  232.009070][ T5408]  ? vscnprintf+0x80/0x80
[  232.013682][ T5408]  gfs2_fill_super+0x120f/0x1f00
[  232.019178][ T5408]  ? gfs2_reconfigure+0xd30/0xd30
[  232.024491][ T5408]  ? sb_set_blocksize+0xa5/0xe0
[  232.030588][ T5408]  get_tree_bdev+0x3f1/0x610
[  232.035884][ T5408]  ? gfs2_reconfigure+0xd30/0xd30
[  232.041855][ T5408]  gfs2_get_tree+0x4d/0x1e0
[  232.047530][ T5408]  vfs_get_tree+0x88/0x270
[  232.052352][ T5408]  do_new_mount+0x24a/0xa40
[  232.057602][ T5408]  __se_sys_mount+0x2e3/0x3d0
[  232.062814][ T5408]  ? __x64_sys_mount+0xc0/0xc0
[  232.068035][ T5408]  ? lockdep_hardirqs_on+0x94/0x140
[  232.074144][ T5408]  ? __x64_sys_mount+0x1c/0xc0
[  232.080708][ T5408]  do_syscall_64+0x4c/0xa0
[  232.086216][ T5408]  ? clear_bhb_loop+0x30/0x80
[  232.091274][ T5408]  ? clear_bhb_loop+0x30/0x80
[  232.096044][ T5408]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  232.102374][ T5408] RIP: 0033:0x7fec2a56260a
[  232.107333][ T5408] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  232.132084][ T5408] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  232.141208][ T5408] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  232.152618][ T5408] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  232.162713][ T5408] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  232.171965][ T5408] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  232.182867][ T5408] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  232.193167][ T5408]  </TASK>
[  232.198863][ T5408] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  232.215039][ T5408] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  232.545555][ T5410] loop1: detected capacity change from 0 to 32768
[  232.558712][ T5410] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  232.569422][ T5410] CPU: 1 PID: 5410 Comm: syz.1.160 Not tainted syzkaller #0
[  232.577476][ T5410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  232.589890][ T5410] Call Trace:
[  232.593986][ T5410]  <TASK>
[  232.597031][ T5410]  dump_stack_lvl+0x188/0x250
[  232.601933][ T5410]  ? show_regs_print_info+0x20/0x20
[  232.607768][ T5410]  ? load_image+0x400/0x400
[  232.612515][ T5410]  sysfs_create_dir_ns+0x26a/0x290
[  232.617922][ T5410]  ? sysfs_warn_dup+0xa0/0xa0
[  232.623397][ T5410]  ? do_raw_spin_unlock+0x11d/0x230
[  232.629390][ T5410]  kobject_add_internal+0x6e0/0xd90
[  232.635039][ T5410]  kobject_init_and_add+0x128/0x190
[  232.642013][ T5410]  ? lockdep_softirqs_off+0x430/0x430
[  232.648255][ T5410]  ? kobject_add+0x230/0x230
[  232.653219][ T5410]  ? __init_swait_queue_head+0xa5/0x150
[  232.659823][ T5410]  gfs2_sys_fs_add+0x24f/0x4b0
[  232.666077][ T5410]  ? gfs2_recover_set+0x240/0x240
[  232.671856][ T5410]  ? snprintf+0xe5/0x140
[  232.676409][ T5410]  ? __free_pages+0x95/0x1a0
[  232.681755][ T5410]  ? vscnprintf+0x80/0x80
[  232.687143][ T5410]  gfs2_fill_super+0x120f/0x1f00
[  232.692995][ T5410]  ? gfs2_reconfigure+0xd30/0xd30
[  232.698484][ T5410]  ? sb_set_blocksize+0xa5/0xe0
[  232.703696][ T5410]  get_tree_bdev+0x3f1/0x610
[  232.708679][ T5410]  ? gfs2_reconfigure+0xd30/0xd30
[  232.714174][ T5410]  gfs2_get_tree+0x4d/0x1e0
[  232.718956][ T5410]  vfs_get_tree+0x88/0x270
[  232.724014][ T5410]  do_new_mount+0x24a/0xa40
[  232.729889][ T5410]  __se_sys_mount+0x2e3/0x3d0
[  232.734922][ T5410]  ? __x64_sys_mount+0xc0/0xc0
[  232.740597][ T5410]  ? lockdep_hardirqs_on+0x94/0x140
[  232.746843][ T5410]  ? __x64_sys_mount+0x1c/0xc0
[  232.753114][ T5410]  do_syscall_64+0x4c/0xa0
[  232.759226][ T5410]  ? clear_bhb_loop+0x30/0x80
[  232.765488][ T5410]  ? clear_bhb_loop+0x30/0x80
[  232.771180][ T5410]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  232.779658][ T5410] RIP: 0033:0x7fec2a56260a
[  232.784728][ T5410] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  232.810888][ T5410] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  232.825638][ T5410] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  232.839479][ T5410] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  232.851706][ T5410] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  232.864759][ T5410] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  232.874338][ T4305] Bluetooth: hci0: command 0x0406 tx timeout
[  232.879879][ T5410] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  232.901788][ T5410]  </TASK>
[  232.908550][ T5410] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  232.923089][ T5410] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  233.272176][ T5413] loop1: detected capacity change from 0 to 32768
[  233.332918][ T5413] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  233.340740][ T5413] CPU: 0 PID: 5413 Comm: syz.1.161 Not tainted syzkaller #0
[  233.348516][ T5413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  233.359314][ T5413] Call Trace:
[  233.363232][ T5413]  <TASK>
[  233.366458][ T5413]  dump_stack_lvl+0x188/0x250
[  233.371652][ T5413]  ? show_regs_print_info+0x20/0x20
[  233.377078][ T5413]  ? load_image+0x400/0x400
[  233.381853][ T5413]  sysfs_create_dir_ns+0x26a/0x290
[  233.387754][ T5413]  ? sysfs_warn_dup+0xa0/0xa0
[  233.393395][ T5413]  ? do_raw_spin_unlock+0x11d/0x230
[  233.398907][ T5413]  kobject_add_internal+0x6e0/0xd90
[  233.404528][ T5413]  kobject_init_and_add+0x128/0x190
[  233.410873][ T5413]  ? lockdep_softirqs_off+0x430/0x430
[  233.416726][ T5413]  ? kobject_add+0x230/0x230
[  233.422244][ T5413]  ? __init_swait_queue_head+0xa5/0x150
[  233.428975][ T5413]  gfs2_sys_fs_add+0x24f/0x4b0
[  233.434561][ T5413]  ? gfs2_recover_set+0x240/0x240
[  233.440159][ T5413]  ? snprintf+0xe5/0x140
[  233.444699][ T5413]  ? __free_pages+0x95/0x1a0
[  233.450309][ T5413]  ? vscnprintf+0x80/0x80
[  233.454848][ T5413]  gfs2_fill_super+0x120f/0x1f00
[  233.460362][ T5413]  ? gfs2_reconfigure+0xd30/0xd30
[  233.465790][ T5413]  ? sb_set_blocksize+0xa5/0xe0
[  233.470843][ T5413]  get_tree_bdev+0x3f1/0x610
[  233.475900][ T5413]  ? gfs2_reconfigure+0xd30/0xd30
[  233.480947][ T5413]  gfs2_get_tree+0x4d/0x1e0
[  233.485823][ T5413]  vfs_get_tree+0x88/0x270
[  233.490529][ T5413]  do_new_mount+0x24a/0xa40
[  233.495067][ T5413]  __se_sys_mount+0x2e3/0x3d0
[  233.500397][ T5413]  ? __x64_sys_mount+0xc0/0xc0
[  233.505765][ T5413]  ? lockdep_hardirqs_on+0x94/0x140
[  233.511450][ T5413]  ? __x64_sys_mount+0x1c/0xc0
[  233.517201][ T5413]  do_syscall_64+0x4c/0xa0
[  233.522989][ T5413]  ? clear_bhb_loop+0x30/0x80
[  233.528522][ T5413]  ? clear_bhb_loop+0x30/0x80
[  233.533664][ T5413]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  233.540334][ T5413] RIP: 0033:0x7fec2a56260a
[  233.545379][ T5413] 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
[  233.568091][ T5413] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  233.577644][ T5413] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  233.586502][ T5413] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  233.595149][ T5413] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  233.603692][ T5413] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  233.612769][ T5413] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  233.622097][ T5413]  </TASK>
[  233.626606][ T5413] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  233.641205][ T5413] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  234.008057][ T5415] loop1: detected capacity change from 0 to 32768
[  234.020619][ T5415] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  234.030224][ T5415] CPU: 1 PID: 5415 Comm: syz.1.162 Not tainted syzkaller #0
[  234.039473][ T5415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  234.050802][ T5415] Call Trace:
[  234.054979][ T5415]  <TASK>
[  234.059060][ T5415]  dump_stack_lvl+0x188/0x250
[  234.064663][ T5415]  ? show_regs_print_info+0x20/0x20
[  234.071386][ T5415]  ? load_image+0x400/0x400
[  234.078755][ T5415]  sysfs_create_dir_ns+0x26a/0x290
[  234.087686][ T5415]  ? sysfs_warn_dup+0xa0/0xa0
[  234.095276][ T5415]  ? do_raw_spin_unlock+0x11d/0x230
[  234.102137][ T5415]  kobject_add_internal+0x6e0/0xd90
[  234.110901][ T5415]  kobject_init_and_add+0x128/0x190
[  234.117599][ T5415]  ? lockdep_softirqs_off+0x430/0x430
[  234.125523][ T5415]  ? kobject_add+0x230/0x230
[  234.135031][ T5415]  ? __init_swait_queue_head+0xa5/0x150
[  234.145244][ T5415]  gfs2_sys_fs_add+0x24f/0x4b0
[  234.154764][ T5415]  ? gfs2_recover_set+0x240/0x240
[  234.166088][ T5415]  ? snprintf+0xe5/0x140
[  234.175161][ T5415]  ? __free_pages+0x95/0x1a0
[  234.184913][ T5415]  ? vscnprintf+0x80/0x80
[  234.193164][ T5415]  gfs2_fill_super+0x120f/0x1f00
[  234.203869][ T5415]  ? gfs2_reconfigure+0xd30/0xd30
[  234.214665][ T5415]  ? sb_set_blocksize+0xa5/0xe0
[  234.221775][ T5415]  get_tree_bdev+0x3f1/0x610
[  234.227406][ T5415]  ? gfs2_reconfigure+0xd30/0xd30
[  234.234753][ T5415]  gfs2_get_tree+0x4d/0x1e0
[  234.243132][ T5415]  vfs_get_tree+0x88/0x270
[  234.249062][ T5415]  do_new_mount+0x24a/0xa40
[  234.254238][ T5415]  __se_sys_mount+0x2e3/0x3d0
[  234.260417][ T5415]  ? __x64_sys_mount+0xc0/0xc0
[  234.266479][ T5415]  ? lockdep_hardirqs_on+0x94/0x140
[  234.273488][ T5415]  ? __x64_sys_mount+0x1c/0xc0
[  234.279800][ T5415]  do_syscall_64+0x4c/0xa0
[  234.285604][ T5415]  ? clear_bhb_loop+0x30/0x80
[  234.291649][ T5415]  ? clear_bhb_loop+0x30/0x80
[  234.297094][ T5415]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  234.304426][ T5415] RIP: 0033:0x7fec2a56260a
[  234.309037][ T5415] 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
[  234.330449][ T5415] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  234.340952][ T5415] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  234.351903][ T5415] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  234.362344][ T5415] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  234.372030][ T5415] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  234.381768][ T5415] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  234.392692][ T5415]  </TASK>
[  234.400651][ T5415] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  234.420001][ T5415] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/31 15:09:59 executed programs: 148
[  234.770561][ T5417] loop1: detected capacity change from 0 to 32768
[  234.820910][ T5417] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  234.830037][ T5417] CPU: 0 PID: 5417 Comm: syz.1.163 Not tainted syzkaller #0
[  234.839556][ T5417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  234.852244][ T5417] Call Trace:
[  234.857391][ T5417]  <TASK>
[  234.860685][ T5417]  dump_stack_lvl+0x188/0x250
[  234.866045][ T5417]  ? show_regs_print_info+0x20/0x20
[  234.874342][ T5417]  ? load_image+0x400/0x400
[  234.880916][ T5417]  sysfs_create_dir_ns+0x26a/0x290
[  234.888081][ T5417]  ? sysfs_warn_dup+0xa0/0xa0
[  234.893703][ T5417]  ? do_raw_spin_unlock+0x11d/0x230
[  234.899909][ T5417]  kobject_add_internal+0x6e0/0xd90
[  234.906335][ T5417]  kobject_init_and_add+0x128/0x190
[  234.912175][ T5417]  ? lockdep_softirqs_off+0x430/0x430
[  234.918013][ T5417]  ? kobject_add+0x230/0x230
[  234.923652][ T5417]  ? __init_swait_queue_head+0xa5/0x150
[  234.930881][ T5417]  gfs2_sys_fs_add+0x24f/0x4b0
[  234.936805][ T5417]  ? gfs2_recover_set+0x240/0x240
[  234.943039][ T5417]  ? snprintf+0xe5/0x140
[  234.948030][ T5417]  ? __free_pages+0x95/0x1a0
[  234.952943][ T5417]  ? vscnprintf+0x80/0x80
[  234.958189][ T5417]  gfs2_fill_super+0x120f/0x1f00
[  234.963816][ T5417]  ? gfs2_reconfigure+0xd30/0xd30
[  234.969293][ T5417]  ? sb_set_blocksize+0xa5/0xe0
[  234.974934][ T5417]  get_tree_bdev+0x3f1/0x610
[  234.980104][ T5417]  ? gfs2_reconfigure+0xd30/0xd30
[  234.985977][ T5417]  gfs2_get_tree+0x4d/0x1e0
[  234.990703][ T5417]  vfs_get_tree+0x88/0x270
[  234.995865][ T5417]  do_new_mount+0x24a/0xa40
[  235.001005][ T5417]  __se_sys_mount+0x2e3/0x3d0
[  235.006201][ T5417]  ? __x64_sys_mount+0xc0/0xc0
[  235.011377][ T5417]  ? lockdep_hardirqs_on+0x94/0x140
[  235.017188][ T5417]  ? __x64_sys_mount+0x1c/0xc0
[  235.022493][ T5417]  do_syscall_64+0x4c/0xa0
[  235.027000][ T5417]  ? clear_bhb_loop+0x30/0x80
[  235.032014][ T5417]  ? clear_bhb_loop+0x30/0x80
[  235.037224][ T5417]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  235.044060][ T5417] RIP: 0033:0x7fec2a56260a
[  235.050354][ T5417] 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
[  235.076953][ T5417] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.089609][ T5417] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  235.101429][ T5417] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  235.111889][ T5417] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  235.121020][ T5417] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  235.131990][ T5417] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  235.143500][ T5417]  </TASK>
[  235.152950][ T5417] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  235.169155][ T5417] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  235.421341][ T5419] loop1: detected capacity change from 0 to 32768
[  235.435913][ T5419] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  235.444078][ T5419] CPU: 1 PID: 5419 Comm: syz.1.164 Not tainted syzkaller #0
[  235.452449][ T5419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  235.464829][ T5419] Call Trace:
[  235.468529][ T5419]  <TASK>
[  235.472004][ T5419]  dump_stack_lvl+0x188/0x250
[  235.477118][ T5419]  ? show_regs_print_info+0x20/0x20
[  235.482853][ T5419]  ? load_image+0x400/0x400
[  235.487978][ T5419]  sysfs_create_dir_ns+0x26a/0x290
[  235.493718][ T5419]  ? sysfs_warn_dup+0xa0/0xa0
[  235.499150][ T5419]  ? do_raw_spin_unlock+0x11d/0x230
[  235.505186][ T5419]  kobject_add_internal+0x6e0/0xd90
[  235.511122][ T5419]  kobject_init_and_add+0x128/0x190
[  235.517493][ T5419]  ? lockdep_softirqs_off+0x430/0x430
[  235.523519][ T5419]  ? kobject_add+0x230/0x230
[  235.528506][ T5419]  ? __init_swait_queue_head+0xa5/0x150
[  235.535915][ T5419]  gfs2_sys_fs_add+0x24f/0x4b0
[  235.541575][ T5419]  ? gfs2_recover_set+0x240/0x240
[  235.547058][ T5419]  ? snprintf+0xe5/0x140
[  235.552062][ T5419]  ? __free_pages+0x95/0x1a0
[  235.558162][ T5419]  ? vscnprintf+0x80/0x80
[  235.564337][ T5419]  gfs2_fill_super+0x120f/0x1f00
[  235.573017][ T5419]  ? gfs2_reconfigure+0xd30/0xd30
[  235.582079][ T5419]  ? sb_set_blocksize+0xa5/0xe0
[  235.589403][ T5419]  get_tree_bdev+0x3f1/0x610
[  235.595859][ T5419]  ? gfs2_reconfigure+0xd30/0xd30
[  235.601676][ T5419]  gfs2_get_tree+0x4d/0x1e0
[  235.607840][ T5419]  vfs_get_tree+0x88/0x270
[  235.614668][ T5419]  do_new_mount+0x24a/0xa40
[  235.620433][ T5419]  __se_sys_mount+0x2e3/0x3d0
[  235.626287][ T5419]  ? __x64_sys_mount+0xc0/0xc0
[  235.632173][ T5419]  ? lockdep_hardirqs_on+0x94/0x140
[  235.638715][ T5419]  ? __x64_sys_mount+0x1c/0xc0
[  235.644631][ T5419]  do_syscall_64+0x4c/0xa0
[  235.649434][ T5419]  ? clear_bhb_loop+0x30/0x80
[  235.655150][ T5419]  ? clear_bhb_loop+0x30/0x80
[  235.661042][ T5419]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  235.669584][ T5419] RIP: 0033:0x7fec2a56260a
[  235.674457][ T5419] 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
[  235.697873][ T5419] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.708128][ T5419] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  235.716908][ T5419] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  235.725932][ T5419] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  235.737441][ T5419] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  235.748226][ T5419] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  235.757523][ T5419]  </TASK>
[  235.764253][ T5419] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  235.780229][ T5419] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  236.148008][ T5421] loop1: detected capacity change from 0 to 32768
[  236.210408][ T5421] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  236.221093][ T5421] CPU: 1 PID: 5421 Comm: syz.1.165 Not tainted syzkaller #0
[  236.229824][ T5421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  236.241601][ T5421] Call Trace:
[  236.245722][ T5421]  <TASK>
[  236.248874][ T5421]  dump_stack_lvl+0x188/0x250
[  236.254309][ T5421]  ? show_regs_print_info+0x20/0x20
[  236.260252][ T5421]  ? load_image+0x400/0x400
[  236.265331][ T5421]  sysfs_create_dir_ns+0x26a/0x290
[  236.271448][ T5421]  ? sysfs_warn_dup+0xa0/0xa0
[  236.277340][ T5421]  ? do_raw_spin_unlock+0x11d/0x230
[  236.283280][ T5421]  kobject_add_internal+0x6e0/0xd90
[  236.289147][ T5421]  kobject_init_and_add+0x128/0x190
[  236.295243][ T5421]  ? lockdep_softirqs_off+0x430/0x430
[  236.301330][ T5421]  ? kobject_add+0x230/0x230
[  236.306929][ T5421]  ? __init_swait_queue_head+0xa5/0x150
[  236.312854][ T5421]  gfs2_sys_fs_add+0x24f/0x4b0
[  236.318346][ T5421]  ? gfs2_recover_set+0x240/0x240
[  236.324085][ T5421]  ? snprintf+0xe5/0x140
[  236.328991][ T5421]  ? __free_pages+0x95/0x1a0
[  236.333790][ T5421]  ? vscnprintf+0x80/0x80
[  236.338471][ T5421]  gfs2_fill_super+0x120f/0x1f00
[  236.344163][ T5421]  ? gfs2_reconfigure+0xd30/0xd30
[  236.349857][ T5421]  ? sb_set_blocksize+0xa5/0xe0
[  236.356584][ T5421]  get_tree_bdev+0x3f1/0x610
[  236.362491][ T5421]  ? gfs2_reconfigure+0xd30/0xd30
[  236.368832][ T5421]  gfs2_get_tree+0x4d/0x1e0
[  236.373715][ T5421]  vfs_get_tree+0x88/0x270
[  236.379693][ T5421]  do_new_mount+0x24a/0xa40
[  236.386667][ T5421]  __se_sys_mount+0x2e3/0x3d0
[  236.392777][ T5421]  ? __x64_sys_mount+0xc0/0xc0
[  236.398687][ T5421]  ? lockdep_hardirqs_on+0x94/0x140
[  236.405407][ T5421]  ? __x64_sys_mount+0x1c/0xc0
[  236.411861][ T5421]  do_syscall_64+0x4c/0xa0
[  236.417642][ T5421]  ? clear_bhb_loop+0x30/0x80
[  236.423712][ T5421]  ? clear_bhb_loop+0x30/0x80
[  236.429146][ T5421]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  236.435523][ T5421] RIP: 0033:0x7fec2a56260a
[  236.440046][ T5421] 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
[  236.461446][ T5421] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  236.470691][ T5421] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  236.479407][ T5421] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  236.488025][ T5421] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  236.496212][ T5421] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  236.505176][ T5421] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  236.514039][ T5421]  </TASK>
[  236.519884][ T5421] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  236.534810][ T5421] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  236.866548][ T5423] loop1: detected capacity change from 0 to 32768
[  236.928102][ T5423] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  236.937136][ T5423] CPU: 0 PID: 5423 Comm: syz.1.166 Not tainted syzkaller #0
[  236.945997][ T5423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  236.959624][ T5423] Call Trace:
[  236.963812][ T5423]  <TASK>
[  236.967646][ T5423]  dump_stack_lvl+0x188/0x250
[  236.973155][ T5423]  ? show_regs_print_info+0x20/0x20
[  236.980590][ T5423]  ? load_image+0x400/0x400
[  236.985411][ T5423]  sysfs_create_dir_ns+0x26a/0x290
[  236.990816][ T5423]  ? sysfs_warn_dup+0xa0/0xa0
[  236.996544][ T5423]  ? do_raw_spin_unlock+0x11d/0x230
[  237.002359][ T5423]  kobject_add_internal+0x6e0/0xd90
[  237.008664][ T5423]  kobject_init_and_add+0x128/0x190
[  237.014517][ T5423]  ? lockdep_softirqs_off+0x430/0x430
[  237.020476][ T5423]  ? kobject_add+0x230/0x230
[  237.025894][ T5423]  ? __init_swait_queue_head+0xa5/0x150
[  237.032366][ T5423]  gfs2_sys_fs_add+0x24f/0x4b0
[  237.038393][ T5423]  ? gfs2_recover_set+0x240/0x240
[  237.045270][ T5423]  ? snprintf+0xe5/0x140
[  237.050541][ T5423]  ? __free_pages+0x95/0x1a0
[  237.056848][ T5423]  ? vscnprintf+0x80/0x80
[  237.062657][ T5423]  gfs2_fill_super+0x120f/0x1f00
[  237.069756][ T5423]  ? gfs2_reconfigure+0xd30/0xd30
[  237.077773][ T5423]  ? sb_set_blocksize+0xa5/0xe0
[  237.085311][ T5423]  get_tree_bdev+0x3f1/0x610
[  237.091319][ T5423]  ? gfs2_reconfigure+0xd30/0xd30
[  237.101475][ T5423]  gfs2_get_tree+0x4d/0x1e0
[  237.109091][ T5423]  vfs_get_tree+0x88/0x270
[  237.115670][ T5423]  do_new_mount+0x24a/0xa40
[  237.122982][ T5423]  __se_sys_mount+0x2e3/0x3d0
[  237.128210][ T5423]  ? __x64_sys_mount+0xc0/0xc0
[  237.135352][ T5423]  ? lockdep_hardirqs_on+0x94/0x140
[  237.143302][ T5423]  ? __x64_sys_mount+0x1c/0xc0
[  237.154135][ T5423]  do_syscall_64+0x4c/0xa0
[  237.159041][ T5423]  ? clear_bhb_loop+0x30/0x80
[  237.168414][ T5423]  ? clear_bhb_loop+0x30/0x80
[  237.174506][ T5423]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  237.184449][ T5423] RIP: 0033:0x7fec2a56260a
[  237.190046][ T5423] 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
[  237.215140][ T5423] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  237.224251][ T5423] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  237.233353][ T5423] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  237.242715][ T5423] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  237.253174][ T5423] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  237.262777][ T5423] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  237.272871][ T5423]  </TASK>
[  237.278638][ T5423] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  237.293835][ T5423] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  237.649616][ T5425] loop1: detected capacity change from 0 to 32768
[  237.703089][ T5425] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  237.711586][ T5425] CPU: 1 PID: 5425 Comm: syz.1.167 Not tainted syzkaller #0
[  237.721078][ T5425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  237.733136][ T5425] Call Trace:
[  237.738052][ T5425]  <TASK>
[  237.742407][ T5425]  dump_stack_lvl+0x188/0x250
[  237.747823][ T5425]  ? show_regs_print_info+0x20/0x20
[  237.754210][ T5425]  ? load_image+0x400/0x400
[  237.759462][ T5425]  sysfs_create_dir_ns+0x26a/0x290
[  237.765222][ T5425]  ? sysfs_warn_dup+0xa0/0xa0
[  237.770763][ T5425]  ? do_raw_spin_unlock+0x11d/0x230
[  237.777406][ T5425]  kobject_add_internal+0x6e0/0xd90
[  237.784657][ T5425]  kobject_init_and_add+0x128/0x190
[  237.790603][ T5425]  ? lockdep_softirqs_off+0x430/0x430
[  237.796807][ T5425]  ? kobject_add+0x230/0x230
[  237.802633][ T5425]  ? __init_swait_queue_head+0xa5/0x150
[  237.810508][ T5425]  gfs2_sys_fs_add+0x24f/0x4b0
[  237.817548][ T5425]  ? gfs2_recover_set+0x240/0x240
[  237.823794][ T5425]  ? snprintf+0xe5/0x140
[  237.829679][ T5425]  ? __free_pages+0x95/0x1a0
[  237.835257][ T5425]  ? vscnprintf+0x80/0x80
[  237.840799][ T5425]  gfs2_fill_super+0x120f/0x1f00
[  237.847719][ T5425]  ? gfs2_reconfigure+0xd30/0xd30
[  237.854678][ T5425]  ? sb_set_blocksize+0xa5/0xe0
[  237.860638][ T5425]  get_tree_bdev+0x3f1/0x610
[  237.867269][ T5425]  ? gfs2_reconfigure+0xd30/0xd30
[  237.876026][ T5425]  gfs2_get_tree+0x4d/0x1e0
[  237.884875][ T5425]  vfs_get_tree+0x88/0x270
[  237.893370][ T5425]  do_new_mount+0x24a/0xa40
[  237.901827][ T5425]  __se_sys_mount+0x2e3/0x3d0
[  237.907814][ T5425]  ? __x64_sys_mount+0xc0/0xc0
[  237.915124][ T5425]  ? lockdep_hardirqs_on+0x94/0x140
[  237.922846][ T5425]  ? __x64_sys_mount+0x1c/0xc0
[  237.933255][ T5425]  do_syscall_64+0x4c/0xa0
[  237.939085][ T5425]  ? clear_bhb_loop+0x30/0x80
[  237.945984][ T5425]  ? clear_bhb_loop+0x30/0x80
[  237.953040][ T5425]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  237.961204][ T5425] RIP: 0033:0x7fec2a56260a
[  237.967937][ T5425] 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
[  237.991569][ T5425] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.000110][ T5425] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  238.008177][ T5425] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  238.017897][ T5425] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  238.027362][ T5425] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  238.037538][ T5425] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  238.049369][ T5425]  </TASK>
[  238.056144][ T5425] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  238.075159][ T5425] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  238.412938][ T5427] loop1: detected capacity change from 0 to 32768
[  238.427839][ T5427] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  238.436669][ T5427] CPU: 1 PID: 5427 Comm: syz.1.168 Not tainted syzkaller #0
[  238.444826][ T5427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  238.455879][ T5427] Call Trace:
[  238.460042][ T5427]  <TASK>
[  238.463352][ T5427]  dump_stack_lvl+0x188/0x250
[  238.468327][ T5427]  ? show_regs_print_info+0x20/0x20
[  238.474723][ T5427]  ? load_image+0x400/0x400
[  238.479652][ T5427]  sysfs_create_dir_ns+0x26a/0x290
[  238.485445][ T5427]  ? sysfs_warn_dup+0xa0/0xa0
[  238.491395][ T5427]  ? do_raw_spin_unlock+0x11d/0x230
[  238.498224][ T5427]  kobject_add_internal+0x6e0/0xd90
[  238.505733][ T5427]  kobject_init_and_add+0x128/0x190
[  238.512320][ T5427]  ? lockdep_softirqs_off+0x430/0x430
[  238.518725][ T5427]  ? kobject_add+0x230/0x230
[  238.523629][ T5427]  ? __init_swait_queue_head+0xa5/0x150
[  238.530342][ T5427]  gfs2_sys_fs_add+0x24f/0x4b0
[  238.537224][ T5427]  ? gfs2_recover_set+0x240/0x240
[  238.543797][ T5427]  ? snprintf+0xe5/0x140
[  238.549797][ T5427]  ? __free_pages+0x95/0x1a0
[  238.557565][ T5427]  ? vscnprintf+0x80/0x80
[  238.565686][ T5427]  gfs2_fill_super+0x120f/0x1f00
[  238.571811][ T5427]  ? gfs2_reconfigure+0xd30/0xd30
[  238.579317][ T5427]  ? sb_set_blocksize+0xa5/0xe0
[  238.585012][ T5427]  get_tree_bdev+0x3f1/0x610
[  238.590751][ T5427]  ? gfs2_reconfigure+0xd30/0xd30
[  238.596393][ T5427]  gfs2_get_tree+0x4d/0x1e0
[  238.601718][ T5427]  vfs_get_tree+0x88/0x270
[  238.607552][ T5427]  do_new_mount+0x24a/0xa40
[  238.613370][ T5427]  __se_sys_mount+0x2e3/0x3d0
[  238.619901][ T5427]  ? __x64_sys_mount+0xc0/0xc0
[  238.625416][ T5427]  ? lockdep_hardirqs_on+0x94/0x140
[  238.631439][ T5427]  ? __x64_sys_mount+0x1c/0xc0
[  238.637318][ T5427]  do_syscall_64+0x4c/0xa0
[  238.644120][ T5427]  ? clear_bhb_loop+0x30/0x80
[  238.649818][ T5427]  ? clear_bhb_loop+0x30/0x80
[  238.655825][ T5427]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  238.663773][ T5427] RIP: 0033:0x7fec2a56260a
[  238.670702][ T5427] 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
[  238.699354][ T5427] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.710682][ T5427] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  238.720034][ T5427] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  238.732992][ T5427] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  238.747619][ T5427] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  238.763078][ T5427] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  238.776945][ T5427]  </TASK>
[  238.786573][ T5427] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  238.815412][ T5427] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  239.192179][ T5429] loop1: detected capacity change from 0 to 32768
[  239.253944][ T5429] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  239.263116][ T5429] CPU: 1 PID: 5429 Comm: syz.1.169 Not tainted syzkaller #0
[  239.273540][ T5429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  239.292514][ T5429] Call Trace:
[  239.296456][ T5429]  <TASK>
[  239.300277][ T5429]  dump_stack_lvl+0x188/0x250
[  239.305979][ T5429]  ? show_regs_print_info+0x20/0x20
[  239.311655][ T5429]  ? load_image+0x400/0x400
[  239.317454][ T5429]  sysfs_create_dir_ns+0x26a/0x290
[  239.324085][ T5429]  ? sysfs_warn_dup+0xa0/0xa0
[  239.329165][ T5429]  ? do_raw_spin_unlock+0x11d/0x230
[  239.334752][ T5429]  kobject_add_internal+0x6e0/0xd90
[  239.340860][ T5429]  kobject_init_and_add+0x128/0x190
[  239.347493][ T5429]  ? lockdep_softirqs_off+0x430/0x430
[  239.354421][ T5429]  ? kobject_add+0x230/0x230
[  239.360760][ T5429]  ? __init_swait_queue_head+0xa5/0x150
[  239.369247][ T5429]  gfs2_sys_fs_add+0x24f/0x4b0
[  239.376549][ T5429]  ? gfs2_recover_set+0x240/0x240
[  239.389345][ T5429]  ? snprintf+0xe5/0x140
[  239.398051][ T5429]  ? __free_pages+0x95/0x1a0
[  239.409813][ T5429]  ? vscnprintf+0x80/0x80
[  239.418315][ T5429]  gfs2_fill_super+0x120f/0x1f00
[  239.429663][ T5429]  ? gfs2_reconfigure+0xd30/0xd30
[  239.438832][ T5429]  ? sb_set_blocksize+0xa5/0xe0
[  239.447017][ T5429]  get_tree_bdev+0x3f1/0x610
[  239.455027][ T5429]  ? gfs2_reconfigure+0xd30/0xd30
[  239.464239][ T5429]  gfs2_get_tree+0x4d/0x1e0
[  239.472979][ T5429]  vfs_get_tree+0x88/0x270
[  239.482555][ T5429]  do_new_mount+0x24a/0xa40
[  239.492289][ T5429]  __se_sys_mount+0x2e3/0x3d0
[  239.501531][ T5429]  ? __x64_sys_mount+0xc0/0xc0
[  239.508653][ T5429]  ? lockdep_hardirqs_on+0x94/0x140
[  239.518801][ T5429]  ? __x64_sys_mount+0x1c/0xc0
[  239.527488][ T5429]  do_syscall_64+0x4c/0xa0
[  239.532880][ T5429]  ? clear_bhb_loop+0x30/0x80
[  239.537674][ T5429]  ? clear_bhb_loop+0x30/0x80
[  239.542986][ T5429]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  239.550283][ T5429] RIP: 0033:0x7fec2a56260a
[  239.555202][ T5429] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  239.579246][ T5429] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.588518][ T5429] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  239.598255][ T5429] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  239.608164][ T5429] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  239.618713][ T5429] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  239.628276][ T5429] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  239.637020][ T5429]  </TASK>
[  239.643538][ T5429] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  239.660957][ T5429] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/31 15:10:05 executed programs: 155
[  239.985733][ T5431] loop1: detected capacity change from 0 to 32768
[  240.044703][ T5431] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.053466][ T5431] CPU: 0 PID: 5431 Comm: syz.1.170 Not tainted syzkaller #0
[  240.062327][ T5431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  240.074449][ T5431] Call Trace:
[  240.079007][ T5431]  <TASK>
[  240.082433][ T5431]  dump_stack_lvl+0x188/0x250
[  240.087736][ T5431]  ? show_regs_print_info+0x20/0x20
[  240.093711][ T5431]  ? load_image+0x400/0x400
[  240.099005][ T5431]  sysfs_create_dir_ns+0x26a/0x290
[  240.104933][ T5431]  ? sysfs_warn_dup+0xa0/0xa0
[  240.110264][ T5431]  ? do_raw_spin_unlock+0x11d/0x230
[  240.115770][ T5431]  kobject_add_internal+0x6e0/0xd90
[  240.121710][ T5431]  kobject_init_and_add+0x128/0x190
[  240.129953][ T5431]  ? lockdep_softirqs_off+0x430/0x430
[  240.138603][ T5431]  ? kobject_add+0x230/0x230
[  240.145527][ T5431]  ? __init_swait_queue_head+0xa5/0x150
[  240.154663][ T5431]  gfs2_sys_fs_add+0x24f/0x4b0
[  240.164216][ T5431]  ? gfs2_recover_set+0x240/0x240
[  240.172006][ T5431]  ? snprintf+0xe5/0x140
[  240.179710][ T5431]  ? __free_pages+0x95/0x1a0
[  240.186541][ T5431]  ? vscnprintf+0x80/0x80
[  240.194368][ T5431]  gfs2_fill_super+0x120f/0x1f00
[  240.202699][ T5431]  ? gfs2_reconfigure+0xd30/0xd30
[  240.209240][ T5431]  ? sb_set_blocksize+0xa5/0xe0
[  240.215025][ T5431]  get_tree_bdev+0x3f1/0x610
[  240.221063][ T5431]  ? gfs2_reconfigure+0xd30/0xd30
[  240.227503][ T5431]  gfs2_get_tree+0x4d/0x1e0
[  240.232578][ T5431]  vfs_get_tree+0x88/0x270
[  240.237774][ T5431]  do_new_mount+0x24a/0xa40
[  240.243140][ T5431]  __se_sys_mount+0x2e3/0x3d0
[  240.248539][ T5431]  ? __x64_sys_mount+0xc0/0xc0
[  240.254215][ T5431]  ? lockdep_hardirqs_on+0x94/0x140
[  240.260723][ T5431]  ? __x64_sys_mount+0x1c/0xc0
[  240.266317][ T5431]  do_syscall_64+0x4c/0xa0
[  240.271845][ T5431]  ? clear_bhb_loop+0x30/0x80
[  240.279560][ T5431]  ? clear_bhb_loop+0x30/0x80
[  240.285134][ T5431]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  240.292622][ T5431] RIP: 0033:0x7fec2a56260a
[  240.297760][ T5431] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  240.319368][ T5431] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.328965][ T5431] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  240.337991][ T5431] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  240.347647][ T5431] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  240.357258][ T5431] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  240.367745][ T5431] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  240.377165][ T5431]  </TASK>
[  240.383455][ T5431] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  240.403540][ T5431] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  240.760208][ T5433] loop1: detected capacity change from 0 to 32768
[  240.813382][ T5433] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.822300][ T5433] CPU: 0 PID: 5433 Comm: syz.1.171 Not tainted syzkaller #0
[  240.830981][ T5433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  240.841863][ T5433] Call Trace:
[  240.845451][ T5433]  <TASK>
[  240.849013][ T5433]  dump_stack_lvl+0x188/0x250
[  240.854551][ T5433]  ? show_regs_print_info+0x20/0x20
[  240.860489][ T5433]  ? load_image+0x400/0x400
[  240.866117][ T5433]  sysfs_create_dir_ns+0x26a/0x290
[  240.874151][ T5433]  ? sysfs_warn_dup+0xa0/0xa0
[  240.880406][ T5433]  ? do_raw_spin_unlock+0x11d/0x230
[  240.886373][ T5433]  kobject_add_internal+0x6e0/0xd90
[  240.893490][ T5433]  kobject_init_and_add+0x128/0x190
[  240.899280][ T5433]  ? lockdep_softirqs_off+0x430/0x430
[  240.906237][ T5433]  ? kobject_add+0x230/0x230
[  240.911761][ T5433]  ? __init_swait_queue_head+0xa5/0x150
[  240.919155][ T5433]  gfs2_sys_fs_add+0x24f/0x4b0
[  240.925497][ T5433]  ? gfs2_recover_set+0x240/0x240
[  240.932914][ T5433]  ? snprintf+0xe5/0x140
[  240.937653][ T5433]  ? __free_pages+0x95/0x1a0
[  240.943139][ T5433]  ? vscnprintf+0x80/0x80
[  240.947502][ T5433]  gfs2_fill_super+0x120f/0x1f00
[  240.953892][ T5433]  ? gfs2_reconfigure+0xd30/0xd30
[  240.960615][ T5433]  ? sb_set_blocksize+0xa5/0xe0
[  240.967044][ T5433]  get_tree_bdev+0x3f1/0x610
[  240.973205][ T5433]  ? gfs2_reconfigure+0xd30/0xd30
[  240.979412][ T5433]  gfs2_get_tree+0x4d/0x1e0
[  240.984480][ T5433]  vfs_get_tree+0x88/0x270
[  240.990308][ T5433]  do_new_mount+0x24a/0xa40
[  240.995789][ T5433]  __se_sys_mount+0x2e3/0x3d0
[  241.001737][ T5433]  ? __x64_sys_mount+0xc0/0xc0
[  241.007657][ T5433]  ? lockdep_hardirqs_on+0x94/0x140
[  241.013624][ T5433]  ? __x64_sys_mount+0x1c/0xc0
[  241.019468][ T5433]  do_syscall_64+0x4c/0xa0
[  241.024447][ T5433]  ? clear_bhb_loop+0x30/0x80
[  241.029752][ T5433]  ? clear_bhb_loop+0x30/0x80
[  241.035133][ T5433]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  241.042186][ T5433] RIP: 0033:0x7fec2a56260a
[  241.046806][ T5433] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  241.071401][ T5433] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.082523][ T5433] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  241.091907][ T5433] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  241.100301][ T5433] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  241.110659][ T5433] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  241.119865][ T5433] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  241.128135][ T5433]  </TASK>
[  241.136541][ T5433] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  241.154775][ T5433] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  241.497665][ T5435] loop1: detected capacity change from 0 to 32768
[  241.554809][ T5435] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  241.562408][ T5435] CPU: 1 PID: 5435 Comm: syz.1.172 Not tainted syzkaller #0
[  241.570980][ T5435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  241.583636][ T5435] Call Trace:
[  241.586938][ T5435]  <TASK>
[  241.591430][ T5435]  dump_stack_lvl+0x188/0x250
[  241.596756][ T5435]  ? show_regs_print_info+0x20/0x20
[  241.602158][ T5435]  ? load_image+0x400/0x400
[  241.607300][ T5435]  sysfs_create_dir_ns+0x26a/0x290
[  241.612792][ T5435]  ? sysfs_warn_dup+0xa0/0xa0
[  241.617774][ T5435]  ? do_raw_spin_unlock+0x11d/0x230
[  241.623711][ T5435]  kobject_add_internal+0x6e0/0xd90
[  241.629609][ T5435]  kobject_init_and_add+0x128/0x190
[  241.635371][ T5435]  ? lockdep_softirqs_off+0x430/0x430
[  241.641175][ T5435]  ? kobject_add+0x230/0x230
[  241.646496][ T5435]  ? __init_swait_queue_head+0xa5/0x150
[  241.652581][ T5435]  gfs2_sys_fs_add+0x24f/0x4b0
[  241.658345][ T5435]  ? gfs2_recover_set+0x240/0x240
[  241.664479][ T5435]  ? snprintf+0xe5/0x140
[  241.669527][ T5435]  ? __free_pages+0x95/0x1a0
[  241.675098][ T5435]  ? vscnprintf+0x80/0x80
[  241.680369][ T5435]  gfs2_fill_super+0x120f/0x1f00
[  241.685520][ T5435]  ? gfs2_reconfigure+0xd30/0xd30
[  241.690771][ T5435]  ? sb_set_blocksize+0xa5/0xe0
[  241.696131][ T5435]  get_tree_bdev+0x3f1/0x610
[  241.701361][ T5435]  ? gfs2_reconfigure+0xd30/0xd30
[  241.706578][ T5435]  gfs2_get_tree+0x4d/0x1e0
[  241.712355][ T5435]  vfs_get_tree+0x88/0x270
[  241.717233][ T5435]  do_new_mount+0x24a/0xa40
[  241.722465][ T5435]  __se_sys_mount+0x2e3/0x3d0
[  241.727903][ T5435]  ? __x64_sys_mount+0xc0/0xc0
[  241.733901][ T5435]  ? lockdep_hardirqs_on+0x94/0x140
[  241.739817][ T5435]  ? __x64_sys_mount+0x1c/0xc0
[  241.745797][ T5435]  do_syscall_64+0x4c/0xa0
[  241.750855][ T5435]  ? clear_bhb_loop+0x30/0x80
[  241.756981][ T5435]  ? clear_bhb_loop+0x30/0x80
[  241.763161][ T5435]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  241.769966][ T5435] RIP: 0033:0x7fec2a56260a
[  241.774741][ T5435] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  241.795891][ T5435] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.806175][ T5435] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  241.815654][ T5435] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  241.824645][ T5435] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  241.834467][ T5435] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  241.843412][ T5435] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  241.852407][ T5435]  </TASK>
[  241.858064][ T5435] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  241.872945][ T5435] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  242.200892][ T5437] loop1: detected capacity change from 0 to 32768
[  242.272762][ T5437] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  242.283929][ T5437] CPU: 1 PID: 5437 Comm: syz.1.173 Not tainted syzkaller #0
[  242.291788][ T5437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  242.302586][ T5437] Call Trace:
[  242.306155][ T5437]  <TASK>
[  242.309535][ T5437]  dump_stack_lvl+0x188/0x250
[  242.314513][ T5437]  ? show_regs_print_info+0x20/0x20
[  242.320183][ T5437]  ? load_image+0x400/0x400
[  242.325250][ T5437]  sysfs_create_dir_ns+0x26a/0x290
[  242.330470][ T5437]  ? sysfs_warn_dup+0xa0/0xa0
[  242.335608][ T5437]  ? do_raw_spin_unlock+0x11d/0x230
[  242.341375][ T5437]  kobject_add_internal+0x6e0/0xd90
[  242.347084][ T5437]  kobject_init_and_add+0x128/0x190
[  242.352715][ T5437]  ? lockdep_softirqs_off+0x430/0x430
[  242.358212][ T5437]  ? kobject_add+0x230/0x230
[  242.363130][ T5437]  ? __init_swait_queue_head+0xa5/0x150
[  242.368938][ T5437]  gfs2_sys_fs_add+0x24f/0x4b0
[  242.374920][ T5437]  ? gfs2_recover_set+0x240/0x240
[  242.380721][ T5437]  ? snprintf+0xe5/0x140
[  242.385077][ T5437]  ? __free_pages+0x95/0x1a0
[  242.390035][ T5437]  ? vscnprintf+0x80/0x80
[  242.394994][ T5437]  gfs2_fill_super+0x120f/0x1f00
[  242.400668][ T5437]  ? gfs2_reconfigure+0xd30/0xd30
[  242.407403][ T5437]  ? sb_set_blocksize+0xa5/0xe0
[  242.412648][ T5437]  get_tree_bdev+0x3f1/0x610
[  242.418272][ T5437]  ? gfs2_reconfigure+0xd30/0xd30
[  242.423933][ T5437]  gfs2_get_tree+0x4d/0x1e0
[  242.429372][ T5437]  vfs_get_tree+0x88/0x270
[  242.434275][ T5437]  do_new_mount+0x24a/0xa40
[  242.439183][ T5437]  __se_sys_mount+0x2e3/0x3d0
[  242.444570][ T5437]  ? __x64_sys_mount+0xc0/0xc0
[  242.449955][ T5437]  ? lockdep_hardirqs_on+0x94/0x140
[  242.455858][ T5437]  ? __x64_sys_mount+0x1c/0xc0
[  242.461084][ T5437]  do_syscall_64+0x4c/0xa0
[  242.466345][ T5437]  ? clear_bhb_loop+0x30/0x80
[  242.471507][ T5437]  ? clear_bhb_loop+0x30/0x80
[  242.476539][ T5437]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  242.482986][ T5437] RIP: 0033:0x7fec2a56260a
[  242.488183][ T5437] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  242.509605][ T5437] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  242.518456][ T5437] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  242.526707][ T5437] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  242.535664][ T5437] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  242.543933][ T5437] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  242.552587][ T5437] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  242.561899][ T5437]  </TASK>
[  242.567586][ T5437] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  242.582261][ T5437] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  242.884718][ T5439] loop1: detected capacity change from 0 to 32768
[  242.945049][ T5439] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  242.953514][ T5439] CPU: 0 PID: 5439 Comm: syz.1.174 Not tainted syzkaller #0
[  242.961363][ T5439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  242.972132][ T5439] Call Trace:
[  242.975699][ T5439]  <TASK>
[  242.978823][ T5439]  dump_stack_lvl+0x188/0x250
[  242.983615][ T5439]  ? show_regs_print_info+0x20/0x20
[  242.988910][ T5439]  ? load_image+0x400/0x400
[  242.993539][ T5439]  sysfs_create_dir_ns+0x26a/0x290
[  242.998864][ T5439]  ? sysfs_warn_dup+0xa0/0xa0
[  243.003658][ T5439]  ? do_raw_spin_unlock+0x11d/0x230
[  243.009069][ T5439]  kobject_add_internal+0x6e0/0xd90
[  243.014629][ T5439]  kobject_init_and_add+0x128/0x190
[  243.020358][ T5439]  ? lockdep_softirqs_off+0x430/0x430
[  243.026210][ T5439]  ? kobject_add+0x230/0x230
[  243.031100][ T5439]  ? __init_swait_queue_head+0xa5/0x150
[  243.037215][ T5439]  gfs2_sys_fs_add+0x24f/0x4b0
[  243.042291][ T5439]  ? gfs2_recover_set+0x240/0x240
[  243.048216][ T5439]  ? snprintf+0xe5/0x140
[  243.052941][ T5439]  ? __free_pages+0x95/0x1a0
[  243.058761][ T5439]  ? vscnprintf+0x80/0x80
[  243.063840][ T5439]  gfs2_fill_super+0x120f/0x1f00
[  243.069606][ T5439]  ? gfs2_reconfigure+0xd30/0xd30
[  243.075275][ T5439]  ? sb_set_blocksize+0xa5/0xe0
[  243.081269][ T5439]  get_tree_bdev+0x3f1/0x610
[  243.086601][ T5439]  ? gfs2_reconfigure+0xd30/0xd30
[  243.091823][ T5439]  gfs2_get_tree+0x4d/0x1e0
[  243.096706][ T5439]  vfs_get_tree+0x88/0x270
[  243.101491][ T5439]  do_new_mount+0x24a/0xa40
[  243.106454][ T5439]  __se_sys_mount+0x2e3/0x3d0
[  243.111385][ T5439]  ? __x64_sys_mount+0xc0/0xc0
[  243.116808][ T5439]  ? lockdep_hardirqs_on+0x94/0x140
[  243.122678][ T5439]  ? __x64_sys_mount+0x1c/0xc0
[  243.127729][ T5439]  do_syscall_64+0x4c/0xa0
[  243.133067][ T5439]  ? clear_bhb_loop+0x30/0x80
[  243.138260][ T5439]  ? clear_bhb_loop+0x30/0x80
[  243.143941][ T5439]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  243.151560][ T5439] RIP: 0033:0x7fec2a56260a
[  243.156363][ T5439] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  243.178640][ T5439] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.187417][ T5439] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  243.196312][ T5439] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  243.204945][ T5439] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  243.214521][ T5439] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  243.223378][ T5439] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  243.232399][ T5439]  </TASK>
[  243.237078][ T5439] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.251409][ T5439] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  243.572972][ T5441] loop1: detected capacity change from 0 to 32768
[  243.617815][ T5441] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  243.630195][ T5441] CPU: 0 PID: 5441 Comm: syz.1.175 Not tainted syzkaller #0
[  243.637716][ T5441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  243.648428][ T5441] Call Trace:
[  243.652430][ T5441]  <TASK>
[  243.655655][ T5441]  dump_stack_lvl+0x188/0x250
[  243.662034][ T5441]  ? show_regs_print_info+0x20/0x20
[  243.668756][ T5441]  ? load_image+0x400/0x400
[  243.673829][ T5441]  sysfs_create_dir_ns+0x26a/0x290
[  243.679934][ T5441]  ? sysfs_warn_dup+0xa0/0xa0
[  243.686686][ T5441]  ? do_raw_spin_unlock+0x11d/0x230
[  243.693477][ T5441]  kobject_add_internal+0x6e0/0xd90
[  243.699900][ T5441]  kobject_init_and_add+0x128/0x190
[  243.706108][ T5441]  ? lockdep_softirqs_off+0x430/0x430
[  243.711702][ T5441]  ? kobject_add+0x230/0x230
[  243.716670][ T5441]  ? __init_swait_queue_head+0xa5/0x150
[  243.723970][ T5441]  gfs2_sys_fs_add+0x24f/0x4b0
[  243.729683][ T5441]  ? gfs2_recover_set+0x240/0x240
[  243.735520][ T5441]  ? snprintf+0xe5/0x140
[  243.740756][ T5441]  ? __free_pages+0x95/0x1a0
[  243.746956][ T5441]  ? vscnprintf+0x80/0x80
[  243.752274][ T5441]  gfs2_fill_super+0x120f/0x1f00
[  243.758880][ T5441]  ? gfs2_reconfigure+0xd30/0xd30
[  243.765038][ T5441]  ? sb_set_blocksize+0xa5/0xe0
[  243.770812][ T5441]  get_tree_bdev+0x3f1/0x610
[  243.775793][ T5441]  ? gfs2_reconfigure+0xd30/0xd30
[  243.781727][ T5441]  gfs2_get_tree+0x4d/0x1e0
[  243.786868][ T5441]  vfs_get_tree+0x88/0x270
[  243.791390][ T5441]  do_new_mount+0x24a/0xa40
[  243.796516][ T5441]  __se_sys_mount+0x2e3/0x3d0
[  243.801580][ T5441]  ? __x64_sys_mount+0xc0/0xc0
[  243.806555][ T5441]  ? lockdep_hardirqs_on+0x94/0x140
[  243.812400][ T5441]  ? __x64_sys_mount+0x1c/0xc0
[  243.817626][ T5441]  do_syscall_64+0x4c/0xa0
[  243.822229][ T5441]  ? clear_bhb_loop+0x30/0x80
[  243.827598][ T5441]  ? clear_bhb_loop+0x30/0x80
[  243.833257][ T5441]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  243.840118][ T5441] RIP: 0033:0x7fec2a56260a
[  243.845336][ T5441] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  243.868146][ T5441] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.877712][ T5441] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  243.887237][ T5441] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  243.897009][ T5441] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  243.906181][ T5441] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  243.916042][ T5441] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  243.925521][ T5441]  </TASK>
[  243.934826][ T5441] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.951251][ T5441] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  244.268726][ T5443] loop1: detected capacity change from 0 to 32768
[  244.358849][ T5443] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.366978][ T5443] CPU: 1 PID: 5443 Comm: syz.1.176 Not tainted syzkaller #0
[  244.375368][ T5443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  244.386241][ T5443] Call Trace:
[  244.389720][ T5443]  <TASK>
[  244.392862][ T5443]  dump_stack_lvl+0x188/0x250
[  244.398448][ T5443]  ? show_regs_print_info+0x20/0x20
[  244.404221][ T5443]  ? load_image+0x400/0x400
[  244.408777][ T5443]  sysfs_create_dir_ns+0x26a/0x290
[  244.414676][ T5443]  ? sysfs_warn_dup+0xa0/0xa0
[  244.420632][ T5443]  ? do_raw_spin_unlock+0x11d/0x230
[  244.426136][ T5443]  kobject_add_internal+0x6e0/0xd90
[  244.432515][ T5443]  kobject_init_and_add+0x128/0x190
[  244.438503][ T5443]  ? lockdep_softirqs_off+0x430/0x430
[  244.444531][ T5443]  ? kobject_add+0x230/0x230
[  244.449127][ T5443]  ? __init_swait_queue_head+0xa5/0x150
[  244.455136][ T5443]  gfs2_sys_fs_add+0x24f/0x4b0
[  244.460493][ T5443]  ? gfs2_recover_set+0x240/0x240
[  244.466116][ T5443]  ? snprintf+0xe5/0x140
[  244.470545][ T5443]  ? __free_pages+0x95/0x1a0
[  244.475354][ T5443]  ? vscnprintf+0x80/0x80
[  244.480074][ T5443]  gfs2_fill_super+0x120f/0x1f00
[  244.485484][ T5443]  ? gfs2_reconfigure+0xd30/0xd30
[  244.490801][ T5443]  ? sb_set_blocksize+0xa5/0xe0
[  244.495938][ T5443]  get_tree_bdev+0x3f1/0x610
[  244.501596][ T5443]  ? gfs2_reconfigure+0xd30/0xd30
[  244.507082][ T5443]  gfs2_get_tree+0x4d/0x1e0
[  244.511862][ T5443]  vfs_get_tree+0x88/0x270
[  244.516462][ T5443]  do_new_mount+0x24a/0xa40
[  244.520959][ T5443]  __se_sys_mount+0x2e3/0x3d0
[  244.526296][ T5443]  ? __x64_sys_mount+0xc0/0xc0
[  244.531840][ T5443]  ? lockdep_hardirqs_on+0x94/0x140
[  244.537649][ T5443]  ? __x64_sys_mount+0x1c/0xc0
[  244.542866][ T5443]  do_syscall_64+0x4c/0xa0
[  244.547713][ T5443]  ? clear_bhb_loop+0x30/0x80
[  244.553039][ T5443]  ? clear_bhb_loop+0x30/0x80
[  244.558988][ T5443]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  244.565517][ T5443] RIP: 0033:0x7fec2a56260a
[  244.570582][ T5443] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  244.593806][ T5443] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.602936][ T5443] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  244.612566][ T5443] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  244.621435][ T5443] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  244.630135][ T5443] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  244.638687][ T5443] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  244.647428][ T5443]  </TASK>
[  244.652946][ T5443] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.668275][ T5443] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/31 15:10:10 executed programs: 162
[  245.030822][ T5445] loop1: detected capacity change from 0 to 32768
[  245.073807][ T5445] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  245.084799][ T5445] CPU: 1 PID: 5445 Comm: syz.1.177 Not tainted syzkaller #0
[  245.092838][ T5445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  245.104838][ T5445] Call Trace:
[  245.108662][ T5445]  <TASK>
[  245.112464][ T5445]  dump_stack_lvl+0x188/0x250
[  245.119194][ T5445]  ? show_regs_print_info+0x20/0x20
[  245.124950][ T5445]  ? load_image+0x400/0x400
[  245.129872][ T5445]  sysfs_create_dir_ns+0x26a/0x290
[  245.135953][ T5445]  ? sysfs_warn_dup+0xa0/0xa0
[  245.141014][ T5445]  ? do_raw_spin_unlock+0x11d/0x230
[  245.147042][ T5445]  kobject_add_internal+0x6e0/0xd90
[  245.152892][ T5445]  kobject_init_and_add+0x128/0x190
[  245.158946][ T5445]  ? lockdep_softirqs_off+0x430/0x430
[  245.164700][ T5445]  ? kobject_add+0x230/0x230
[  245.169829][ T5445]  ? __init_swait_queue_head+0xa5/0x150
[  245.176064][ T5445]  gfs2_sys_fs_add+0x24f/0x4b0
[  245.181369][ T5445]  ? gfs2_recover_set+0x240/0x240
[  245.187325][ T5445]  ? snprintf+0xe5/0x140
[  245.193808][ T5445]  ? __free_pages+0x95/0x1a0
[  245.198511][ T5445]  ? vscnprintf+0x80/0x80
[  245.203389][ T5445]  gfs2_fill_super+0x120f/0x1f00
[  245.208655][ T5445]  ? gfs2_reconfigure+0xd30/0xd30
[  245.214304][ T5445]  ? sb_set_blocksize+0xa5/0xe0
[  245.219384][ T5445]  get_tree_bdev+0x3f1/0x610
[  245.224532][ T5445]  ? gfs2_reconfigure+0xd30/0xd30
[  245.231053][ T5445]  gfs2_get_tree+0x4d/0x1e0
[  245.235938][ T5445]  vfs_get_tree+0x88/0x270
[  245.240745][ T5445]  do_new_mount+0x24a/0xa40
[  245.246030][ T5445]  __se_sys_mount+0x2e3/0x3d0
[  245.251034][ T5445]  ? __x64_sys_mount+0xc0/0xc0
[  245.255987][ T5445]  ? lockdep_hardirqs_on+0x94/0x140
[  245.261559][ T5445]  ? __x64_sys_mount+0x1c/0xc0
[  245.266626][ T5445]  do_syscall_64+0x4c/0xa0
[  245.271411][ T5445]  ? clear_bhb_loop+0x30/0x80
[  245.276573][ T5445]  ? clear_bhb_loop+0x30/0x80
[  245.282002][ T5445]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  245.288966][ T5445] RIP: 0033:0x7fec2a56260a
[  245.293656][ T5445] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  245.316353][ T5445] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.325822][ T5445] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  245.334059][ T5445] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  245.342601][ T5445] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  245.351115][ T5445] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  245.359601][ T5445] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  245.368272][ T5445]  </TASK>
[  245.375427][ T5445] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  245.390511][ T5445] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  245.716187][ T5447] loop1: detected capacity change from 0 to 32768
[  245.739660][ T5447] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  245.748071][ T5447] CPU: 1 PID: 5447 Comm: syz.1.178 Not tainted syzkaller #0
[  245.755787][ T5447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  245.767090][ T5447] Call Trace:
[  245.770660][ T5447]  <TASK>
[  245.774074][ T5447]  dump_stack_lvl+0x188/0x250
[  245.779021][ T5447]  ? show_regs_print_info+0x20/0x20
[  245.784527][ T5447]  ? load_image+0x400/0x400
[  245.789407][ T5447]  sysfs_create_dir_ns+0x26a/0x290
[  245.794800][ T5447]  ? sysfs_warn_dup+0xa0/0xa0
[  245.799763][ T5447]  ? do_raw_spin_unlock+0x11d/0x230
[  245.805569][ T5447]  kobject_add_internal+0x6e0/0xd90
[  245.811357][ T5447]  kobject_init_and_add+0x128/0x190
[  245.817492][ T5447]  ? lockdep_softirqs_off+0x430/0x430
[  245.824208][ T5447]  ? kobject_add+0x230/0x230
[  245.829463][ T5447]  ? __init_swait_queue_head+0xa5/0x150
[  245.835848][ T5447]  gfs2_sys_fs_add+0x24f/0x4b0
[  245.841056][ T5447]  ? gfs2_recover_set+0x240/0x240
[  245.846683][ T5447]  ? snprintf+0xe5/0x140
[  245.851701][ T5447]  ? __free_pages+0x95/0x1a0
[  245.856756][ T5447]  ? vscnprintf+0x80/0x80
[  245.861522][ T5447]  gfs2_fill_super+0x120f/0x1f00
[  245.867682][ T5447]  ? gfs2_reconfigure+0xd30/0xd30
[  245.873975][ T5447]  ? sb_set_blocksize+0xa5/0xe0
[  245.880782][ T5447]  get_tree_bdev+0x3f1/0x610
[  245.886926][ T5447]  ? gfs2_reconfigure+0xd30/0xd30
[  245.892731][ T5447]  gfs2_get_tree+0x4d/0x1e0
[  245.897626][ T5447]  vfs_get_tree+0x88/0x270
[  245.902454][ T5447]  do_new_mount+0x24a/0xa40
[  245.907304][ T5447]  __se_sys_mount+0x2e3/0x3d0
[  245.912627][ T5447]  ? __x64_sys_mount+0xc0/0xc0
[  245.917905][ T5447]  ? lockdep_hardirqs_on+0x94/0x140
[  245.924136][ T5447]  ? __x64_sys_mount+0x1c/0xc0
[  245.929799][ T5447]  do_syscall_64+0x4c/0xa0
[  245.935192][ T5447]  ? clear_bhb_loop+0x30/0x80
[  245.941318][ T5447]  ? clear_bhb_loop+0x30/0x80
[  245.946285][ T5447]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  245.953434][ T5447] RIP: 0033:0x7fec2a56260a
[  245.958316][ T5447] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  245.979779][ T5447] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.988347][ T5447] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  245.996583][ T5447] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  246.005250][ T5447] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  246.014168][ T5447] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  246.023049][ T5447] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  246.031390][ T5447]  </TASK>
[  246.039522][ T5447] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.053731][ T5447] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  246.383211][ T5449] loop1: detected capacity change from 0 to 32768
[  246.452756][ T5449] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.460450][ T5449] CPU: 0 PID: 5449 Comm: syz.1.179 Not tainted syzkaller #0
[  246.468189][ T5449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  246.478888][ T5449] Call Trace:
[  246.482358][ T5449]  <TASK>
[  246.485364][ T5449]  dump_stack_lvl+0x188/0x250
[  246.491771][ T5449]  ? show_regs_print_info+0x20/0x20
[  246.498035][ T5449]  ? load_image+0x400/0x400
[  246.503101][ T5449]  sysfs_create_dir_ns+0x26a/0x290
[  246.509166][ T5449]  ? sysfs_warn_dup+0xa0/0xa0
[  246.515285][ T5449]  ? do_raw_spin_unlock+0x11d/0x230
[  246.521355][ T5449]  kobject_add_internal+0x6e0/0xd90
[  246.527302][ T5449]  kobject_init_and_add+0x128/0x190
[  246.533076][ T5449]  ? lockdep_softirqs_off+0x430/0x430
[  246.538655][ T5449]  ? kobject_add+0x230/0x230
[  246.543602][ T5449]  ? __init_swait_queue_head+0xa5/0x150
[  246.549528][ T5449]  gfs2_sys_fs_add+0x24f/0x4b0
[  246.555084][ T5449]  ? gfs2_recover_set+0x240/0x240
[  246.560539][ T5449]  ? snprintf+0xe5/0x140
[  246.564945][ T5449]  ? __free_pages+0x95/0x1a0
[  246.570410][ T5449]  ? vscnprintf+0x80/0x80
[  246.575310][ T5449]  gfs2_fill_super+0x120f/0x1f00
[  246.581503][ T5449]  ? gfs2_reconfigure+0xd30/0xd30
[  246.588234][ T5449]  ? sb_set_blocksize+0xa5/0xe0
[  246.593518][ T5449]  get_tree_bdev+0x3f1/0x610
[  246.598883][ T5449]  ? gfs2_reconfigure+0xd30/0xd30
[  246.604692][ T5449]  gfs2_get_tree+0x4d/0x1e0
[  246.609857][ T5449]  vfs_get_tree+0x88/0x270
[  246.615084][ T5449]  do_new_mount+0x24a/0xa40
[  246.619806][ T5449]  __se_sys_mount+0x2e3/0x3d0
[  246.624881][ T5449]  ? __x64_sys_mount+0xc0/0xc0
[  246.630731][ T5449]  ? lockdep_hardirqs_on+0x94/0x140
[  246.636595][ T5449]  ? __x64_sys_mount+0x1c/0xc0
[  246.641964][ T5449]  do_syscall_64+0x4c/0xa0
[  246.648412][ T5449]  ? clear_bhb_loop+0x30/0x80
[  246.653918][ T5449]  ? clear_bhb_loop+0x30/0x80
[  246.659534][ T5449]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  246.668682][ T5449] RIP: 0033:0x7fec2a56260a
[  246.675596][ T5449] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  246.697700][ T5449] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.706944][ T5449] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  246.716933][ T5449] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  246.726566][ T5449] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  246.735776][ T5449] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  246.744932][ T5449] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  246.753235][ T5449]  </TASK>
[  246.757542][ T5449] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.771990][ T5449] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  247.107060][ T5451] loop1: detected capacity change from 0 to 32768
[  247.167266][ T5451] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  247.176438][ T5451] CPU: 1 PID: 5451 Comm: syz.1.180 Not tainted syzkaller #0
[  247.184087][ T5451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  247.194996][ T5451] Call Trace:
[  247.198472][ T5451]  <TASK>
[  247.201805][ T5451]  dump_stack_lvl+0x188/0x250
[  247.207491][ T5451]  ? show_regs_print_info+0x20/0x20
[  247.213534][ T5451]  ? load_image+0x400/0x400
[  247.218880][ T5451]  sysfs_create_dir_ns+0x26a/0x290
[  247.224683][ T5451]  ? sysfs_warn_dup+0xa0/0xa0
[  247.230416][ T5451]  ? do_raw_spin_unlock+0x11d/0x230
[  247.236376][ T5451]  kobject_add_internal+0x6e0/0xd90
[  247.242613][ T5451]  kobject_init_and_add+0x128/0x190
[  247.248549][ T5451]  ? lockdep_softirqs_off+0x430/0x430
[  247.254475][ T5451]  ? kobject_add+0x230/0x230
[  247.259738][ T5451]  ? __init_swait_queue_head+0xa5/0x150
[  247.267064][ T5451]  gfs2_sys_fs_add+0x24f/0x4b0
[  247.273064][ T5451]  ? gfs2_recover_set+0x240/0x240
[  247.278668][ T5451]  ? snprintf+0xe5/0x140
[  247.283668][ T5451]  ? __free_pages+0x95/0x1a0
[  247.290370][ T5451]  ? vscnprintf+0x80/0x80
[  247.295183][ T5451]  gfs2_fill_super+0x120f/0x1f00
[  247.300603][ T5451]  ? gfs2_reconfigure+0xd30/0xd30
[  247.305980][ T5451]  ? sb_set_blocksize+0xa5/0xe0
[  247.310911][ T5451]  get_tree_bdev+0x3f1/0x610
[  247.315510][ T5451]  ? gfs2_reconfigure+0xd30/0xd30
[  247.320786][ T5451]  gfs2_get_tree+0x4d/0x1e0
[  247.325728][ T5451]  vfs_get_tree+0x88/0x270
[  247.330497][ T5451]  do_new_mount+0x24a/0xa40
[  247.335343][ T5451]  __se_sys_mount+0x2e3/0x3d0
[  247.340299][ T5451]  ? __x64_sys_mount+0xc0/0xc0
[  247.345504][ T5451]  ? lockdep_hardirqs_on+0x94/0x140
[  247.351323][ T5451]  ? __x64_sys_mount+0x1c/0xc0
[  247.356384][ T5451]  do_syscall_64+0x4c/0xa0
[  247.361323][ T5451]  ? clear_bhb_loop+0x30/0x80
[  247.366842][ T5451]  ? clear_bhb_loop+0x30/0x80
[  247.371727][ T5451]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  247.378275][ T5451] RIP: 0033:0x7fec2a56260a
[  247.383422][ T5451] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  247.407359][ T5451] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.419017][ T5451] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  247.428552][ T5451] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  247.437635][ T5451] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  247.446334][ T5451] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  247.456109][ T5451] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  247.464800][ T5451]  </TASK>
[  247.470440][ T5451] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.484688][ T5451] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  247.860643][ T5453] loop1: detected capacity change from 0 to 32768
[  247.917875][ T5453] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  247.925815][ T5453] CPU: 0 PID: 5453 Comm: syz.1.181 Not tainted syzkaller #0
[  247.934475][ T5453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  247.945527][ T5453] Call Trace:
[  247.949177][ T5453]  <TASK>
[  247.952386][ T5453]  dump_stack_lvl+0x188/0x250
[  247.957721][ T5453]  ? show_regs_print_info+0x20/0x20
[  247.963216][ T5453]  ? load_image+0x400/0x400
[  247.968909][ T5453]  sysfs_create_dir_ns+0x26a/0x290
[  247.974401][ T5453]  ? sysfs_warn_dup+0xa0/0xa0
[  247.979560][ T5453]  ? do_raw_spin_unlock+0x11d/0x230
[  247.985335][ T5453]  kobject_add_internal+0x6e0/0xd90
[  247.991093][ T5453]  kobject_init_and_add+0x128/0x190
[  247.996785][ T5453]  ? lockdep_softirqs_off+0x430/0x430
[  248.003209][ T5453]  ? kobject_add+0x230/0x230
[  248.008310][ T5453]  ? __init_swait_queue_head+0xa5/0x150
[  248.014234][ T5453]  gfs2_sys_fs_add+0x24f/0x4b0
[  248.019332][ T5453]  ? gfs2_recover_set+0x240/0x240
[  248.024558][ T5453]  ? snprintf+0xe5/0x140
[  248.029336][ T5453]  ? __free_pages+0x95/0x1a0
[  248.033944][ T5453]  ? vscnprintf+0x80/0x80
[  248.039923][ T5453]  gfs2_fill_super+0x120f/0x1f00
[  248.045236][ T5453]  ? gfs2_reconfigure+0xd30/0xd30
[  248.051616][ T5453]  ? sb_set_blocksize+0xa5/0xe0
[  248.057365][ T5453]  get_tree_bdev+0x3f1/0x610
[  248.062309][ T5453]  ? gfs2_reconfigure+0xd30/0xd30
[  248.068043][ T5453]  gfs2_get_tree+0x4d/0x1e0
[  248.073124][ T5453]  vfs_get_tree+0x88/0x270
[  248.077638][ T5453]  do_new_mount+0x24a/0xa40
[  248.082517][ T5453]  __se_sys_mount+0x2e3/0x3d0
[  248.087768][ T5453]  ? __x64_sys_mount+0xc0/0xc0
[  248.093269][ T5453]  ? lockdep_hardirqs_on+0x94/0x140
[  248.099481][ T5453]  ? __x64_sys_mount+0x1c/0xc0
[  248.104764][ T5453]  do_syscall_64+0x4c/0xa0
[  248.109720][ T5453]  ? clear_bhb_loop+0x30/0x80
[  248.114718][ T5453]  ? clear_bhb_loop+0x30/0x80
[  248.120152][ T5453]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  248.126500][ T5453] RIP: 0033:0x7fec2a56260a
[  248.130939][ T5453] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  248.154184][ T5453] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.164770][ T5453] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  248.173688][ T5453] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  248.182242][ T5453] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  248.191157][ T5453] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  248.199591][ T5453] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  248.208196][ T5453]  </TASK>
[  248.216243][ T5453] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  248.231901][ T5453] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  248.549809][ T5455] loop1: detected capacity change from 0 to 32768
[  248.627608][ T5455] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.636669][ T5455] CPU: 0 PID: 5455 Comm: syz.1.182 Not tainted syzkaller #0
[  248.644324][ T5455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  248.656112][ T5455] Call Trace:
[  248.659766][ T5455]  <TASK>
[  248.663396][ T5455]  dump_stack_lvl+0x188/0x250
[  248.670514][ T5455]  ? show_regs_print_info+0x20/0x20
[  248.676362][ T5455]  ? load_image+0x400/0x400
[  248.681537][ T5455]  sysfs_create_dir_ns+0x26a/0x290
[  248.687202][ T5455]  ? sysfs_warn_dup+0xa0/0xa0
[  248.692373][ T5455]  ? do_raw_spin_unlock+0x11d/0x230
[  248.698611][ T5455]  kobject_add_internal+0x6e0/0xd90
[  248.704393][ T5455]  kobject_init_and_add+0x128/0x190
[  248.710246][ T5455]  ? lockdep_softirqs_off+0x430/0x430
[  248.716504][ T5455]  ? kobject_add+0x230/0x230
[  248.721295][ T5455]  ? __init_swait_queue_head+0xa5/0x150
[  248.727317][ T5455]  gfs2_sys_fs_add+0x24f/0x4b0
[  248.732597][ T5455]  ? gfs2_recover_set+0x240/0x240
[  248.737989][ T5455]  ? snprintf+0xe5/0x140
[  248.742243][ T5455]  ? __free_pages+0x95/0x1a0
[  248.747577][ T5455]  ? vscnprintf+0x80/0x80
[  248.752812][ T5455]  gfs2_fill_super+0x120f/0x1f00
[  248.758465][ T5455]  ? gfs2_reconfigure+0xd30/0xd30
[  248.763534][ T5455]  ? sb_set_blocksize+0xa5/0xe0
[  248.768906][ T5455]  get_tree_bdev+0x3f1/0x610
[  248.774530][ T5455]  ? gfs2_reconfigure+0xd30/0xd30
[  248.780136][ T5455]  gfs2_get_tree+0x4d/0x1e0
[  248.786835][ T5455]  vfs_get_tree+0x88/0x270
[  248.792329][ T5455]  do_new_mount+0x24a/0xa40
[  248.797572][ T5455]  __se_sys_mount+0x2e3/0x3d0
[  248.803241][ T5455]  ? __x64_sys_mount+0xc0/0xc0
[  248.808091][ T5455]  ? lockdep_hardirqs_on+0x94/0x140
[  248.813835][ T5455]  ? __x64_sys_mount+0x1c/0xc0
[  248.818912][ T5455]  do_syscall_64+0x4c/0xa0
[  248.824034][ T5455]  ? clear_bhb_loop+0x30/0x80
[  248.829078][ T5455]  ? clear_bhb_loop+0x30/0x80
[  248.833787][ T5455]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  248.840267][ T5455] RIP: 0033:0x7fec2a56260a
[  248.846163][ T5455] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  248.868410][ T5455] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.877748][ T5455] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  248.887165][ T5455] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  248.896669][ T5455] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  248.905955][ T5455] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  248.916512][ T5455] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  248.926552][ T5455]  </TASK>
[  248.930949][ T5455] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  248.946964][ T5455] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  249.306108][ T5457] loop1: detected capacity change from 0 to 32768
[  249.319119][ T5457] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  249.328269][ T5457] CPU: 0 PID: 5457 Comm: syz.1.183 Not tainted syzkaller #0
[  249.336223][ T5457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  249.348061][ T5457] Call Trace:
[  249.351835][ T5457]  <TASK>
[  249.355428][ T5457]  dump_stack_lvl+0x188/0x250
[  249.361473][ T5457]  ? show_regs_print_info+0x20/0x20
[  249.367237][ T5457]  ? load_image+0x400/0x400
[  249.371956][ T5457]  sysfs_create_dir_ns+0x26a/0x290
[  249.377733][ T5457]  ? sysfs_warn_dup+0xa0/0xa0
[  249.383382][ T5457]  ? do_raw_spin_unlock+0x11d/0x230
[  249.389389][ T5457]  kobject_add_internal+0x6e0/0xd90
[  249.395155][ T5457]  kobject_init_and_add+0x128/0x190
[  249.401915][ T5457]  ? lockdep_softirqs_off+0x430/0x430
[  249.408668][ T5457]  ? kobject_add+0x230/0x230
[  249.414044][ T5457]  ? __init_swait_queue_head+0xa5/0x150
[  249.420235][ T5457]  gfs2_sys_fs_add+0x24f/0x4b0
[  249.426349][ T5457]  ? gfs2_recover_set+0x240/0x240
[  249.432474][ T5457]  ? snprintf+0xe5/0x140
[  249.438645][ T5457]  ? __free_pages+0x95/0x1a0
[  249.443525][ T5457]  ? vscnprintf+0x80/0x80
[  249.449307][ T5457]  gfs2_fill_super+0x120f/0x1f00
[  249.455637][ T5457]  ? gfs2_reconfigure+0xd30/0xd30
[  249.466327][ T5457]  ? sb_set_blocksize+0xa5/0xe0
[  249.471940][ T5457]  get_tree_bdev+0x3f1/0x610
[  249.476996][ T5457]  ? gfs2_reconfigure+0xd30/0xd30
[  249.483184][ T5457]  gfs2_get_tree+0x4d/0x1e0
[  249.488405][ T5457]  vfs_get_tree+0x88/0x270
[  249.494561][ T5457]  do_new_mount+0x24a/0xa40
[  249.500231][ T5457]  __se_sys_mount+0x2e3/0x3d0
[  249.506562][ T5457]  ? __x64_sys_mount+0xc0/0xc0
[  249.512859][ T5457]  ? lockdep_hardirqs_on+0x94/0x140
[  249.519773][ T5457]  ? __x64_sys_mount+0x1c/0xc0
[  249.526649][ T5457]  do_syscall_64+0x4c/0xa0
[  249.531423][ T5457]  ? clear_bhb_loop+0x30/0x80
[  249.536632][ T5457]  ? clear_bhb_loop+0x30/0x80
[  249.542154][ T5457]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  249.548578][ T5457] RIP: 0033:0x7fec2a56260a
[  249.553646][ T5457] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  249.578819][ T5457] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  249.588877][ T5457] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  249.598288][ T5457] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  249.607857][ T5457] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  249.618107][ T5457] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  249.628724][ T5457] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  249.639069][ T5457]  </TASK>
[  249.643469][ T5457] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  249.662095][ T5457] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  249.993896][ T5459] loop1: detected capacity change from 0 to 32768
[  250.018474][ T5459] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.028238][ T5459] CPU: 0 PID: 5459 Comm: syz.1.184 Not tainted syzkaller #0
[  250.036568][ T5459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  250.047670][ T5459] Call Trace:
[  250.051346][ T5459]  <TASK>
[  250.054755][ T5459]  dump_stack_lvl+0x188/0x250
[  250.060512][ T5459]  ? show_regs_print_info+0x20/0x20
[  250.066027][ T5459]  ? load_image+0x400/0x400
[  250.071165][ T5459]  sysfs_create_dir_ns+0x26a/0x290
[  250.076827][ T5459]  ? sysfs_warn_dup+0xa0/0xa0
[  250.082052][ T5459]  ? do_raw_spin_unlock+0x11d/0x230
[  250.087716][ T5459]  kobject_add_internal+0x6e0/0xd90
[  250.093687][ T5459]  kobject_init_and_add+0x128/0x190
[  250.099194][ T5459]  ? lockdep_softirqs_off+0x430/0x430
[  250.104775][ T5459]  ? kobject_add+0x230/0x230
[  250.109840][ T5459]  ? __init_swait_queue_head+0xa5/0x150
[  250.116236][ T5459]  gfs2_sys_fs_add+0x24f/0x4b0
[  250.121352][ T5459]  ? gfs2_recover_set+0x240/0x240
[  250.126642][ T5459]  ? snprintf+0xe5/0x140
[  250.132719][ T5459]  ? __free_pages+0x95/0x1a0
[  250.138520][ T5459]  ? vscnprintf+0x80/0x80
[  250.145032][ T5459]  gfs2_fill_super+0x120f/0x1f00
[  250.151785][ T5459]  ? gfs2_reconfigure+0xd30/0xd30
[  250.158474][ T5459]  ? sb_set_blocksize+0xa5/0xe0
[  250.164321][ T5459]  get_tree_bdev+0x3f1/0x610
[  250.171216][ T5459]  ? gfs2_reconfigure+0xd30/0xd30
[  250.178446][ T5459]  gfs2_get_tree+0x4d/0x1e0
[  250.184339][ T5459]  vfs_get_tree+0x88/0x270
[  250.189407][ T5459]  do_new_mount+0x24a/0xa40
[  250.194909][ T5459]  __se_sys_mount+0x2e3/0x3d0
[  250.200940][ T5459]  ? __x64_sys_mount+0xc0/0xc0
[  250.207547][ T5459]  ? lockdep_hardirqs_on+0x94/0x140
[  250.214840][ T5459]  ? __x64_sys_mount+0x1c/0xc0
[  250.222602][ T5459]  do_syscall_64+0x4c/0xa0
[  250.228061][ T5459]  ? clear_bhb_loop+0x30/0x80
[  250.234205][ T5459]  ? clear_bhb_loop+0x30/0x80
[  250.239876][ T5459]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  250.247719][ T5459] RIP: 0033:0x7fec2a56260a
[  250.252680][ T5459] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  250.276236][ T5459] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.285104][ T5459] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  250.293707][ T5459] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  250.302785][ T5459] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  250.311589][ T5459] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  250.320522][ T5459] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  250.328951][ T5459]  </TASK>
[  250.338059][ T5459] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  250.353421][ T5459] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/31 15:10:15 executed programs: 170
[  250.689706][ T5461] loop1: detected capacity change from 0 to 32768
[  250.750643][ T5461] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.762190][ T5461] CPU: 1 PID: 5461 Comm: syz.1.185 Not tainted syzkaller #0
[  250.769973][ T5461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  250.781562][ T5461] Call Trace:
[  250.785046][ T5461]  <TASK>
[  250.788170][ T5461]  dump_stack_lvl+0x188/0x250
[  250.794180][ T5461]  ? show_regs_print_info+0x20/0x20
[  250.800169][ T5461]  ? load_image+0x400/0x400
[  250.805588][ T5461]  sysfs_create_dir_ns+0x26a/0x290
[  250.811980][ T5461]  ? sysfs_warn_dup+0xa0/0xa0
[  250.817569][ T5461]  ? do_raw_spin_unlock+0x11d/0x230
[  250.824264][ T5461]  kobject_add_internal+0x6e0/0xd90
[  250.830119][ T5461]  kobject_init_and_add+0x128/0x190
[  250.836219][ T5461]  ? lockdep_softirqs_off+0x430/0x430
[  250.842325][ T5461]  ? kobject_add+0x230/0x230
[  250.847491][ T5461]  ? __init_swait_queue_head+0xa5/0x150
[  250.853429][ T5461]  gfs2_sys_fs_add+0x24f/0x4b0
[  250.858768][ T5461]  ? gfs2_recover_set+0x240/0x240
[  250.864832][ T5461]  ? snprintf+0xe5/0x140
[  250.869498][ T5461]  ? __free_pages+0x95/0x1a0
[  250.874774][ T5461]  ? vscnprintf+0x80/0x80
[  250.879557][ T5461]  gfs2_fill_super+0x120f/0x1f00
[  250.884947][ T5461]  ? gfs2_reconfigure+0xd30/0xd30
[  250.890163][ T5461]  ? sb_set_blocksize+0xa5/0xe0
[  250.895360][ T5461]  get_tree_bdev+0x3f1/0x610
[  250.900413][ T5461]  ? gfs2_reconfigure+0xd30/0xd30
[  250.905882][ T5461]  gfs2_get_tree+0x4d/0x1e0
[  250.911261][ T5461]  vfs_get_tree+0x88/0x270
[  250.916139][ T5461]  do_new_mount+0x24a/0xa40
[  250.921842][ T5461]  __se_sys_mount+0x2e3/0x3d0
[  250.927231][ T5461]  ? __x64_sys_mount+0xc0/0xc0
[  250.932889][ T5461]  ? lockdep_hardirqs_on+0x94/0x140
[  250.938716][ T5461]  ? __x64_sys_mount+0x1c/0xc0
[  250.943805][ T5461]  do_syscall_64+0x4c/0xa0
[  250.948352][ T5461]  ? clear_bhb_loop+0x30/0x80
[  250.953545][ T5461]  ? clear_bhb_loop+0x30/0x80
[  250.958953][ T5461]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  250.965351][ T5461] RIP: 0033:0x7fec2a56260a
[  250.970145][ T5461] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  250.991454][ T5461] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.000635][ T5461] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  251.009256][ T5461] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  251.018363][ T5461] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  251.027188][ T5461] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  251.035764][ T5461] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  251.044733][ T5461]  </TASK>
[  251.050015][ T5461] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.065556][ T5461] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  251.390959][ T5463] loop1: detected capacity change from 0 to 32768
[  251.467494][ T5463] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  251.477288][ T5463] CPU: 0 PID: 5463 Comm: syz.1.186 Not tainted syzkaller #0
[  251.485249][ T5463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  251.496093][ T5463] Call Trace:
[  251.499479][ T5463]  <TASK>
[  251.502745][ T5463]  dump_stack_lvl+0x188/0x250
[  251.507649][ T5463]  ? show_regs_print_info+0x20/0x20
[  251.513940][ T5463]  ? load_image+0x400/0x400
[  251.518740][ T5463]  sysfs_create_dir_ns+0x26a/0x290
[  251.524278][ T5463]  ? sysfs_warn_dup+0xa0/0xa0
[  251.529161][ T5463]  ? do_raw_spin_unlock+0x11d/0x230
[  251.534889][ T5463]  kobject_add_internal+0x6e0/0xd90
[  251.540392][ T5463]  kobject_init_and_add+0x128/0x190
[  251.546615][ T5463]  ? lockdep_softirqs_off+0x430/0x430
[  251.552734][ T5463]  ? kobject_add+0x230/0x230
[  251.557768][ T5463]  ? __init_swait_queue_head+0xa5/0x150
[  251.564226][ T5463]  gfs2_sys_fs_add+0x24f/0x4b0
[  251.569879][ T5463]  ? gfs2_recover_set+0x240/0x240
[  251.575307][ T5463]  ? snprintf+0xe5/0x140
[  251.580026][ T5463]  ? __free_pages+0x95/0x1a0
[  251.585422][ T5463]  ? vscnprintf+0x80/0x80
[  251.590309][ T5463]  gfs2_fill_super+0x120f/0x1f00
[  251.595276][ T5463]  ? gfs2_reconfigure+0xd30/0xd30
[  251.601264][ T5463]  ? sb_set_blocksize+0xa5/0xe0
[  251.606377][ T5463]  get_tree_bdev+0x3f1/0x610
[  251.611365][ T5463]  ? gfs2_reconfigure+0xd30/0xd30
[  251.617158][ T5463]  gfs2_get_tree+0x4d/0x1e0
[  251.622188][ T5463]  vfs_get_tree+0x88/0x270
[  251.626995][ T5463]  do_new_mount+0x24a/0xa40
[  251.631871][ T5463]  __se_sys_mount+0x2e3/0x3d0
[  251.636832][ T5463]  ? __x64_sys_mount+0xc0/0xc0
[  251.641777][ T5463]  ? lockdep_hardirqs_on+0x94/0x140
[  251.647590][ T5463]  ? __x64_sys_mount+0x1c/0xc0
[  251.652669][ T5463]  do_syscall_64+0x4c/0xa0
[  251.657468][ T5463]  ? clear_bhb_loop+0x30/0x80
[  251.662853][ T5463]  ? clear_bhb_loop+0x30/0x80
[  251.668240][ T5463]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  251.674603][ T5463] RIP: 0033:0x7fec2a56260a
[  251.679199][ T5463] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  251.699932][ T5463] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.708634][ T5463] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  251.717386][ T5463] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  251.726271][ T5463] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  251.735058][ T5463] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  251.743977][ T5463] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  251.753381][ T5463]  </TASK>
[  251.757656][ T5463] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.771837][ T5463] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.105136][ T5465] loop1: detected capacity change from 0 to 32768
[  252.153866][ T5465] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.161909][ T5465] CPU: 0 PID: 5465 Comm: syz.1.187 Not tainted syzkaller #0
[  252.169646][ T5465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  252.180356][ T5465] Call Trace:
[  252.183949][ T5465]  <TASK>
[  252.187344][ T5465]  dump_stack_lvl+0x188/0x250
[  252.192489][ T5465]  ? show_regs_print_info+0x20/0x20
[  252.198284][ T5465]  ? load_image+0x400/0x400
[  252.203281][ T5465]  sysfs_create_dir_ns+0x26a/0x290
[  252.208606][ T5465]  ? sysfs_warn_dup+0xa0/0xa0
[  252.213980][ T5465]  ? do_raw_spin_unlock+0x11d/0x230
[  252.219473][ T5465]  kobject_add_internal+0x6e0/0xd90
[  252.225066][ T5465]  kobject_init_and_add+0x128/0x190
[  252.231081][ T5465]  ? lockdep_softirqs_off+0x430/0x430
[  252.236915][ T5465]  ? kobject_add+0x230/0x230
[  252.241845][ T5465]  ? __init_swait_queue_head+0xa5/0x150
[  252.248180][ T5465]  gfs2_sys_fs_add+0x24f/0x4b0
[  252.253739][ T5465]  ? gfs2_recover_set+0x240/0x240
[  252.259263][ T5465]  ? snprintf+0xe5/0x140
[  252.264213][ T5465]  ? __free_pages+0x95/0x1a0
[  252.269226][ T5465]  ? vscnprintf+0x80/0x80
[  252.274122][ T5465]  gfs2_fill_super+0x120f/0x1f00
[  252.279390][ T5465]  ? gfs2_reconfigure+0xd30/0xd30
[  252.284968][ T5465]  ? sb_set_blocksize+0xa5/0xe0
[  252.290087][ T5465]  get_tree_bdev+0x3f1/0x610
[  252.295309][ T5465]  ? gfs2_reconfigure+0xd30/0xd30
[  252.300510][ T5465]  gfs2_get_tree+0x4d/0x1e0
[  252.305764][ T5465]  vfs_get_tree+0x88/0x270
[  252.310682][ T5465]  do_new_mount+0x24a/0xa40
[  252.315478][ T5465]  __se_sys_mount+0x2e3/0x3d0
[  252.320569][ T5465]  ? __x64_sys_mount+0xc0/0xc0
[  252.325904][ T5465]  ? lockdep_hardirqs_on+0x94/0x140
[  252.332004][ T5465]  ? __x64_sys_mount+0x1c/0xc0
[  252.337581][ T5465]  do_syscall_64+0x4c/0xa0
[  252.342522][ T5465]  ? clear_bhb_loop+0x30/0x80
[  252.347707][ T5465]  ? clear_bhb_loop+0x30/0x80
[  252.352873][ T5465]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  252.359152][ T5465] RIP: 0033:0x7fec2a56260a
[  252.363887][ T5465] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  252.386288][ T5465] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.396718][ T5465] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  252.406628][ T5465] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  252.415773][ T5465] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  252.424436][ T5465] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  252.433023][ T5465] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  252.441802][ T5465]  </TASK>
[  252.452778][ T5465] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.468227][ T5465] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.783290][ T5467] loop1: detected capacity change from 0 to 32768
[  252.840288][ T5467] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.849284][ T5467] CPU: 0 PID: 5467 Comm: syz.1.188 Not tainted syzkaller #0
[  252.857398][ T5467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  252.868536][ T5467] Call Trace:
[  252.872167][ T5467]  <TASK>
[  252.875582][ T5467]  dump_stack_lvl+0x188/0x250
[  252.880770][ T5467]  ? show_regs_print_info+0x20/0x20
[  252.886167][ T5467]  ? load_image+0x400/0x400
[  252.890794][ T5467]  sysfs_create_dir_ns+0x26a/0x290
[  252.896158][ T5467]  ? sysfs_warn_dup+0xa0/0xa0
[  252.901411][ T5467]  ? do_raw_spin_unlock+0x11d/0x230
[  252.907004][ T5467]  kobject_add_internal+0x6e0/0xd90
[  252.912613][ T5467]  kobject_init_and_add+0x128/0x190
[  252.918737][ T5467]  ? lockdep_softirqs_off+0x430/0x430
[  252.924706][ T5467]  ? kobject_add+0x230/0x230
[  252.929887][ T5467]  ? __init_swait_queue_head+0xa5/0x150
[  252.935917][ T5467]  gfs2_sys_fs_add+0x24f/0x4b0
[  252.941239][ T5467]  ? gfs2_recover_set+0x240/0x240
[  252.947308][ T5467]  ? snprintf+0xe5/0x140
[  252.952259][ T5467]  ? __free_pages+0x95/0x1a0
[  252.957226][ T5467]  ? vscnprintf+0x80/0x80
[  252.962206][ T5467]  gfs2_fill_super+0x120f/0x1f00
[  252.967700][ T5467]  ? gfs2_reconfigure+0xd30/0xd30
[  252.973048][ T5467]  ? sb_set_blocksize+0xa5/0xe0
[  252.978396][ T5467]  get_tree_bdev+0x3f1/0x610
[  252.983257][ T5467]  ? gfs2_reconfigure+0xd30/0xd30
[  252.988633][ T5467]  gfs2_get_tree+0x4d/0x1e0
[  252.993670][ T5467]  vfs_get_tree+0x88/0x270
[  252.998267][ T5467]  do_new_mount+0x24a/0xa40
[  253.003049][ T5467]  __se_sys_mount+0x2e3/0x3d0
[  253.007871][ T5467]  ? __x64_sys_mount+0xc0/0xc0
[  253.012840][ T5467]  ? lockdep_hardirqs_on+0x94/0x140
[  253.018996][ T5467]  ? __x64_sys_mount+0x1c/0xc0
[  253.024234][ T5467]  do_syscall_64+0x4c/0xa0
[  253.028685][ T5467]  ? clear_bhb_loop+0x30/0x80
[  253.033472][ T5467]  ? clear_bhb_loop+0x30/0x80
[  253.038431][ T5467]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  253.044781][ T5467] RIP: 0033:0x7fec2a56260a
[  253.049390][ T5467] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  253.072431][ T5467] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.081667][ T5467] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  253.090182][ T5467] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  253.098899][ T5467] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  253.107601][ T5467] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  253.116240][ T5467] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  253.125344][ T5467]  </TASK>
[  253.129350][ T5467] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.144675][ T5467] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  253.243919][ T1111] Bluetooth: hci1: command 0x0406 tx timeout
[  253.504781][ T5469] loop1: detected capacity change from 0 to 32768
[  253.578336][ T5469] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.587584][ T5469] CPU: 1 PID: 5469 Comm: syz.1.189 Not tainted syzkaller #0
[  253.595688][ T5469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  253.606346][ T5469] Call Trace:
[  253.609837][ T5469]  <TASK>
[  253.612899][ T5469]  dump_stack_lvl+0x188/0x250
[  253.618274][ T5469]  ? show_regs_print_info+0x20/0x20
[  253.623943][ T5469]  ? load_image+0x400/0x400
[  253.629087][ T5469]  sysfs_create_dir_ns+0x26a/0x290
[  253.634781][ T5469]  ? sysfs_warn_dup+0xa0/0xa0
[  253.639578][ T5469]  ? do_raw_spin_unlock+0x11d/0x230
[  253.645959][ T5469]  kobject_add_internal+0x6e0/0xd90
[  253.652358][ T5469]  kobject_init_and_add+0x128/0x190
[  253.658332][ T5469]  ? lockdep_softirqs_off+0x430/0x430
[  253.665151][ T5469]  ? kobject_add+0x230/0x230
[  253.673989][ T5469]  ? __init_swait_queue_head+0xa5/0x150
[  253.683000][ T5469]  gfs2_sys_fs_add+0x24f/0x4b0
[  253.688569][ T5469]  ? gfs2_recover_set+0x240/0x240
[  253.694384][ T5469]  ? snprintf+0xe5/0x140
[  253.699686][ T5469]  ? __free_pages+0x95/0x1a0
[  253.704644][ T5469]  ? vscnprintf+0x80/0x80
[  253.709785][ T5469]  gfs2_fill_super+0x120f/0x1f00
[  253.715611][ T5469]  ? gfs2_reconfigure+0xd30/0xd30
[  253.721795][ T5469]  ? sb_set_blocksize+0xa5/0xe0
[  253.727622][ T5469]  get_tree_bdev+0x3f1/0x610
[  253.733423][ T5469]  ? gfs2_reconfigure+0xd30/0xd30
[  253.739594][ T5469]  gfs2_get_tree+0x4d/0x1e0
[  253.744963][ T5469]  vfs_get_tree+0x88/0x270
[  253.750512][ T5469]  do_new_mount+0x24a/0xa40
[  253.755998][ T5469]  __se_sys_mount+0x2e3/0x3d0
[  253.761061][ T5469]  ? __x64_sys_mount+0xc0/0xc0
[  253.766319][ T5469]  ? lockdep_hardirqs_on+0x94/0x140
[  253.773361][ T5469]  ? __x64_sys_mount+0x1c/0xc0
[  253.778601][ T5469]  do_syscall_64+0x4c/0xa0
[  253.783578][ T5469]  ? clear_bhb_loop+0x30/0x80
[  253.788809][ T5469]  ? clear_bhb_loop+0x30/0x80
[  253.794152][ T5469]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  253.800899][ T5469] RIP: 0033:0x7fec2a56260a
[  253.805619][ T5469] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  253.829435][ T5469] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.842654][ T5469] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  253.852372][ T5469] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  253.861686][ T5469] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  253.871847][ T5469] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  253.881673][ T5469] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  253.891672][ T5469]  </TASK>
[  253.897570][ T5469] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.913769][ T5469] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  254.259343][ T5471] loop1: detected capacity change from 0 to 32768
[  254.348706][ T5471] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.358488][ T5471] CPU: 1 PID: 5471 Comm: syz.1.190 Not tainted syzkaller #0
[  254.367073][ T5471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  254.377585][ T5471] Call Trace:
[  254.381311][ T5471]  <TASK>
[  254.384375][ T5471]  dump_stack_lvl+0x188/0x250
[  254.390846][ T5471]  ? show_regs_print_info+0x20/0x20
[  254.396514][ T5471]  ? load_image+0x400/0x400
[  254.402035][ T5471]  sysfs_create_dir_ns+0x26a/0x290
[  254.408599][ T5471]  ? sysfs_warn_dup+0xa0/0xa0
[  254.414359][ T5471]  ? do_raw_spin_unlock+0x11d/0x230
[  254.420355][ T5471]  kobject_add_internal+0x6e0/0xd90
[  254.426483][ T5471]  kobject_init_and_add+0x128/0x190
[  254.432419][ T5471]  ? lockdep_softirqs_off+0x430/0x430
[  254.438836][ T5471]  ? kobject_add+0x230/0x230
[  254.443991][ T5471]  ? __init_swait_queue_head+0xa5/0x150
[  254.451325][ T5471]  gfs2_sys_fs_add+0x24f/0x4b0
[  254.457333][ T5471]  ? gfs2_recover_set+0x240/0x240
[  254.462636][ T5471]  ? snprintf+0xe5/0x140
[  254.467113][ T5471]  ? __free_pages+0x95/0x1a0
[  254.472115][ T5471]  ? vscnprintf+0x80/0x80
[  254.476721][ T5471]  gfs2_fill_super+0x120f/0x1f00
[  254.481851][ T5471]  ? gfs2_reconfigure+0xd30/0xd30
[  254.487457][ T5471]  ? sb_set_blocksize+0xa5/0xe0
[  254.493026][ T5471]  get_tree_bdev+0x3f1/0x610
[  254.497946][ T5471]  ? gfs2_reconfigure+0xd30/0xd30
[  254.503509][ T5471]  gfs2_get_tree+0x4d/0x1e0
[  254.508534][ T5471]  vfs_get_tree+0x88/0x270
[  254.513654][ T5471]  do_new_mount+0x24a/0xa40
[  254.519080][ T5471]  __se_sys_mount+0x2e3/0x3d0
[  254.524425][ T5471]  ? __x64_sys_mount+0xc0/0xc0
[  254.529593][ T5471]  ? lockdep_hardirqs_on+0x94/0x140
[  254.535331][ T5471]  ? __x64_sys_mount+0x1c/0xc0
[  254.541189][ T5471]  do_syscall_64+0x4c/0xa0
[  254.546780][ T5471]  ? clear_bhb_loop+0x30/0x80
[  254.551833][ T5471]  ? clear_bhb_loop+0x30/0x80
[  254.557597][ T5471]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  254.564206][ T5471] RIP: 0033:0x7fec2a56260a
[  254.569067][ T5471] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  254.591106][ T5471] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.600554][ T5471] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  254.609939][ T5471] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  254.618392][ T5471] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  254.626936][ T5471] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  254.636304][ T5471] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  254.645236][ T5471]  </TASK>
[  254.651561][ T5471] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.665917][ T5471] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.011708][ T5473] loop1: detected capacity change from 0 to 32768
[  255.065057][ T5473] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.073162][ T5473] CPU: 1 PID: 5473 Comm: syz.1.191 Not tainted syzkaller #0
[  255.081394][ T5473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  255.093336][ T5473] Call Trace:
[  255.097196][ T5473]  <TASK>
[  255.100226][ T5473]  dump_stack_lvl+0x188/0x250
[  255.105904][ T5473]  ? show_regs_print_info+0x20/0x20
[  255.111671][ T5473]  ? load_image+0x400/0x400
[  255.116476][ T5473]  sysfs_create_dir_ns+0x26a/0x290
[  255.121965][ T5473]  ? sysfs_warn_dup+0xa0/0xa0
[  255.127019][ T5473]  ? do_raw_spin_unlock+0x11d/0x230
[  255.132864][ T5473]  kobject_add_internal+0x6e0/0xd90
[  255.138369][ T5473]  kobject_init_and_add+0x128/0x190
[  255.144044][ T5473]  ? lockdep_softirqs_off+0x430/0x430
[  255.150265][ T5473]  ? kobject_add+0x230/0x230
[  255.155188][ T5473]  ? __init_swait_queue_head+0xa5/0x150
[  255.161009][ T5473]  gfs2_sys_fs_add+0x24f/0x4b0
[  255.166486][ T5473]  ? gfs2_recover_set+0x240/0x240
[  255.171724][ T5473]  ? snprintf+0xe5/0x140
[  255.176152][ T5473]  ? __free_pages+0x95/0x1a0
[  255.180999][ T5473]  ? vscnprintf+0x80/0x80
[  255.185673][ T5473]  gfs2_fill_super+0x120f/0x1f00
[  255.191674][ T5473]  ? gfs2_reconfigure+0xd30/0xd30
[  255.197880][ T5473]  ? sb_set_blocksize+0xa5/0xe0
[  255.203120][ T5473]  get_tree_bdev+0x3f1/0x610
[  255.207916][ T5473]  ? gfs2_reconfigure+0xd30/0xd30
[  255.213124][ T5473]  gfs2_get_tree+0x4d/0x1e0
[  255.218473][ T5473]  vfs_get_tree+0x88/0x270
[  255.223331][ T5473]  do_new_mount+0x24a/0xa40
[  255.228015][ T5473]  __se_sys_mount+0x2e3/0x3d0
[  255.233223][ T5473]  ? __x64_sys_mount+0xc0/0xc0
[  255.238598][ T5473]  ? lockdep_hardirqs_on+0x94/0x140
[  255.244314][ T5473]  ? __x64_sys_mount+0x1c/0xc0
[  255.249271][ T5473]  do_syscall_64+0x4c/0xa0
[  255.254202][ T5473]  ? clear_bhb_loop+0x30/0x80
[  255.259238][ T5473]  ? clear_bhb_loop+0x30/0x80
[  255.264637][ T5473]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  255.271468][ T5473] RIP: 0033:0x7fec2a56260a
[  255.276158][ T5473] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  255.297609][ T5473] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.306769][ T5473] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  255.315198][ T5473] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  255.323444][ T5473] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  255.331766][ T5473] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  255.339834][ T5473] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  255.348750][ T5473]  </TASK>
[  255.357549][ T5473] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.372311][ T5473] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/31 15:10:20 executed programs: 177
[  255.707848][ T5475] loop1: detected capacity change from 0 to 32768
[  255.766698][ T5475] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.776708][ T5475] CPU: 0 PID: 5475 Comm: syz.1.192 Not tainted syzkaller #0
[  255.785215][ T5475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  255.796792][ T5475] Call Trace:
[  255.800266][ T5475]  <TASK>
[  255.803488][ T5475]  dump_stack_lvl+0x188/0x250
[  255.810265][ T5475]  ? show_regs_print_info+0x20/0x20
[  255.818315][ T5475]  ? load_image+0x400/0x400
[  255.823715][ T5475]  sysfs_create_dir_ns+0x26a/0x290
[  255.829880][ T5475]  ? sysfs_warn_dup+0xa0/0xa0
[  255.835611][ T5475]  ? do_raw_spin_unlock+0x11d/0x230
[  255.842824][ T5475]  kobject_add_internal+0x6e0/0xd90
[  255.849922][ T5475]  kobject_init_and_add+0x128/0x190
[  255.856461][ T5475]  ? lockdep_softirqs_off+0x430/0x430
[  255.863876][ T5475]  ? kobject_add+0x230/0x230
[  255.869519][ T5475]  ? __init_swait_queue_head+0xa5/0x150
[  255.877569][ T5475]  gfs2_sys_fs_add+0x24f/0x4b0
[  255.884485][ T5475]  ? gfs2_recover_set+0x240/0x240
[  255.890766][ T5475]  ? snprintf+0xe5/0x140
[  255.895646][ T5475]  ? __free_pages+0x95/0x1a0
[  255.900743][ T5475]  ? vscnprintf+0x80/0x80
[  255.905462][ T5475]  gfs2_fill_super+0x120f/0x1f00
[  255.912467][ T5475]  ? gfs2_reconfigure+0xd30/0xd30
[  255.918495][ T5475]  ? sb_set_blocksize+0xa5/0xe0
[  255.924754][ T5475]  get_tree_bdev+0x3f1/0x610
[  255.931260][ T5475]  ? gfs2_reconfigure+0xd30/0xd30
[  255.938625][ T5475]  gfs2_get_tree+0x4d/0x1e0
[  255.943495][ T5475]  vfs_get_tree+0x88/0x270
[  255.949000][ T5475]  do_new_mount+0x24a/0xa40
[  255.953967][ T5475]  __se_sys_mount+0x2e3/0x3d0
[  255.959284][ T5475]  ? __x64_sys_mount+0xc0/0xc0
[  255.964409][ T5475]  ? lockdep_hardirqs_on+0x94/0x140
[  255.970346][ T5475]  ? __x64_sys_mount+0x1c/0xc0
[  255.975951][ T5475]  do_syscall_64+0x4c/0xa0
[  255.982210][ T5475]  ? clear_bhb_loop+0x30/0x80
[  255.987289][ T5475]  ? clear_bhb_loop+0x30/0x80
[  255.992183][ T5475]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  255.998596][ T5475] RIP: 0033:0x7fec2a56260a
[  256.003417][ T5475] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  256.026428][ T5475] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.035416][ T5475] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  256.044792][ T5475] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  256.053944][ T5475] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  256.064188][ T5475] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  256.074173][ T5475] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  256.083475][ T5475]  </TASK>
[  256.087388][ T5475] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.103693][ T5475] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  256.277450][ T1421] ieee802154 phy0 wpan0: encryption failed: -22
[  256.285116][ T1421] ieee802154 phy1 wpan1: encryption failed: -22
[  256.491460][ T5477] loop1: detected capacity change from 0 to 32768
[  256.567287][ T5477] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  256.576426][ T5477] CPU: 0 PID: 5477 Comm: syz.1.193 Not tainted syzkaller #0
[  256.584477][ T5477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  256.595358][ T5477] Call Trace:
[  256.599066][ T5477]  <TASK>
[  256.602353][ T5477]  dump_stack_lvl+0x188/0x250
[  256.607310][ T5477]  ? show_regs_print_info+0x20/0x20
[  256.612818][ T5477]  ? load_image+0x400/0x400
[  256.618417][ T5477]  sysfs_create_dir_ns+0x26a/0x290
[  256.624384][ T5477]  ? sysfs_warn_dup+0xa0/0xa0
[  256.629555][ T5477]  ? do_raw_spin_unlock+0x11d/0x230
[  256.635238][ T5477]  kobject_add_internal+0x6e0/0xd90
[  256.640664][ T5477]  kobject_init_and_add+0x128/0x190
[  256.646353][ T5477]  ? lockdep_softirqs_off+0x430/0x430
[  256.653226][ T5477]  ? kobject_add+0x230/0x230
[  256.659945][ T5477]  ? __init_swait_queue_head+0xa5/0x150
[  256.669240][ T5477]  gfs2_sys_fs_add+0x24f/0x4b0
[  256.675055][ T5477]  ? gfs2_recover_set+0x240/0x240
[  256.681077][ T5477]  ? snprintf+0xe5/0x140
[  256.686491][ T5477]  ? __free_pages+0x95/0x1a0
[  256.692127][ T5477]  ? vscnprintf+0x80/0x80
[  256.697095][ T5477]  gfs2_fill_super+0x120f/0x1f00
[  256.702864][ T5477]  ? gfs2_reconfigure+0xd30/0xd30
[  256.708529][ T5477]  ? sb_set_blocksize+0xa5/0xe0
[  256.713670][ T5477]  get_tree_bdev+0x3f1/0x610
[  256.718578][ T5477]  ? gfs2_reconfigure+0xd30/0xd30
[  256.724257][ T5477]  gfs2_get_tree+0x4d/0x1e0
[  256.729981][ T5477]  vfs_get_tree+0x88/0x270
[  256.735903][ T5477]  do_new_mount+0x24a/0xa40
[  256.740823][ T5477]  __se_sys_mount+0x2e3/0x3d0
[  256.746241][ T5477]  ? __x64_sys_mount+0xc0/0xc0
[  256.751436][ T5477]  ? lockdep_hardirqs_on+0x94/0x140
[  256.758033][ T5477]  ? __x64_sys_mount+0x1c/0xc0
[  256.763728][ T5477]  do_syscall_64+0x4c/0xa0
[  256.768932][ T5477]  ? clear_bhb_loop+0x30/0x80
[  256.773793][ T5477]  ? clear_bhb_loop+0x30/0x80
[  256.778904][ T5477]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  256.785504][ T5477] RIP: 0033:0x7fec2a56260a
[  256.790351][ T5477] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  256.811800][ T5477] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.822370][ T5477] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  256.831908][ T5477] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  256.841371][ T5477] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  256.850505][ T5477] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  256.859577][ T5477] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  256.869390][ T5477]  </TASK>
[  256.879772][ T5477] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.898267][ T5477] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  257.271681][ T5479] loop1: detected capacity change from 0 to 32768
[  257.323834][ T5479] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.333914][ T5479] CPU: 0 PID: 5479 Comm: syz.1.194 Not tainted syzkaller #0
[  257.341556][ T5479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  257.352249][ T5479] Call Trace:
[  257.355728][ T5479]  <TASK>
[  257.359210][ T5479]  dump_stack_lvl+0x188/0x250
[  257.364384][ T5479]  ? show_regs_print_info+0x20/0x20
[  257.372900][ T5479]  ? load_image+0x400/0x400
[  257.378426][ T5479]  sysfs_create_dir_ns+0x26a/0x290
[  257.385311][ T5479]  ? sysfs_warn_dup+0xa0/0xa0
[  257.390948][ T5479]  ? do_raw_spin_unlock+0x11d/0x230
[  257.396770][ T5479]  kobject_add_internal+0x6e0/0xd90
[  257.404490][ T5479]  kobject_init_and_add+0x128/0x190
[  257.410838][ T5479]  ? lockdep_softirqs_off+0x430/0x430
[  257.419364][ T5479]  ? kobject_add+0x230/0x230
[  257.427133][ T5479]  ? __init_swait_queue_head+0xa5/0x150
[  257.435162][ T5479]  gfs2_sys_fs_add+0x24f/0x4b0
[  257.440424][ T5479]  ? gfs2_recover_set+0x240/0x240
[  257.446411][ T5479]  ? snprintf+0xe5/0x140
[  257.451176][ T5479]  ? __free_pages+0x95/0x1a0
[  257.455973][ T5479]  ? vscnprintf+0x80/0x80
[  257.460506][ T5479]  gfs2_fill_super+0x120f/0x1f00
[  257.466270][ T5479]  ? gfs2_reconfigure+0xd30/0xd30
[  257.471892][ T5479]  ? sb_set_blocksize+0xa5/0xe0
[  257.477018][ T5479]  get_tree_bdev+0x3f1/0x610
[  257.482273][ T5479]  ? gfs2_reconfigure+0xd30/0xd30
[  257.487818][ T5479]  gfs2_get_tree+0x4d/0x1e0
[  257.492725][ T5479]  vfs_get_tree+0x88/0x270
[  257.497702][ T5479]  do_new_mount+0x24a/0xa40
[  257.502646][ T5479]  __se_sys_mount+0x2e3/0x3d0
[  257.508502][ T5479]  ? __x64_sys_mount+0xc0/0xc0
[  257.513911][ T5479]  ? lockdep_hardirqs_on+0x94/0x140
[  257.519860][ T5479]  ? __x64_sys_mount+0x1c/0xc0
[  257.525227][ T5479]  do_syscall_64+0x4c/0xa0
[  257.529748][ T5479]  ? clear_bhb_loop+0x30/0x80
[  257.534919][ T5479]  ? clear_bhb_loop+0x30/0x80
[  257.540668][ T5479]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  257.547695][ T5479] RIP: 0033:0x7fec2a56260a
[  257.552997][ T5479] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  257.575756][ T5479] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.585923][ T5479] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  257.594549][ T5479] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  257.602661][ T5479] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  257.611413][ T5479] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  257.620015][ T5479] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  257.628624][ T5479]  </TASK>
[  257.636503][ T5479] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  257.651602][ T5479] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  257.986162][ T5481] loop1: detected capacity change from 0 to 32768
[  258.043955][ T5481] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  258.053400][ T5481] CPU: 0 PID: 5481 Comm: syz.1.195 Not tainted syzkaller #0
[  258.063566][ T5481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  258.074593][ T5481] Call Trace:
[  258.078091][ T5481]  <TASK>
[  258.081271][ T5481]  dump_stack_lvl+0x188/0x250
[  258.086666][ T5481]  ? show_regs_print_info+0x20/0x20
[  258.092892][ T5481]  ? load_image+0x400/0x400
[  258.098728][ T5481]  sysfs_create_dir_ns+0x26a/0x290
[  258.104578][ T5481]  ? sysfs_warn_dup+0xa0/0xa0
[  258.110094][ T5481]  ? do_raw_spin_unlock+0x11d/0x230
[  258.117719][ T5481]  kobject_add_internal+0x6e0/0xd90
[  258.124641][ T5481]  kobject_init_and_add+0x128/0x190
[  258.130227][ T5481]  ? lockdep_softirqs_off+0x430/0x430
[  258.136725][ T5481]  ? kobject_add+0x230/0x230
[  258.142199][ T5481]  ? __init_swait_queue_head+0xa5/0x150
[  258.148857][ T5481]  gfs2_sys_fs_add+0x24f/0x4b0
[  258.154918][ T5481]  ? gfs2_recover_set+0x240/0x240
[  258.160876][ T5481]  ? snprintf+0xe5/0x140
[  258.165502][ T5481]  ? __free_pages+0x95/0x1a0
[  258.171087][ T5481]  ? vscnprintf+0x80/0x80
[  258.175604][ T5481]  gfs2_fill_super+0x120f/0x1f00
[  258.181619][ T5481]  ? gfs2_reconfigure+0xd30/0xd30
[  258.186935][ T5481]  ? sb_set_blocksize+0xa5/0xe0
[  258.192993][ T5481]  get_tree_bdev+0x3f1/0x610
[  258.198110][ T5481]  ? gfs2_reconfigure+0xd30/0xd30
[  258.203728][ T5481]  gfs2_get_tree+0x4d/0x1e0
[  258.208932][ T5481]  vfs_get_tree+0x88/0x270
[  258.213941][ T5481]  do_new_mount+0x24a/0xa40
[  258.219489][ T5481]  __se_sys_mount+0x2e3/0x3d0
[  258.225687][ T5481]  ? __x64_sys_mount+0xc0/0xc0
[  258.231676][ T5481]  ? lockdep_hardirqs_on+0x94/0x140
[  258.238439][ T5481]  ? __x64_sys_mount+0x1c/0xc0
[  258.245273][ T5481]  do_syscall_64+0x4c/0xa0
[  258.250488][ T5481]  ? clear_bhb_loop+0x30/0x80
[  258.256510][ T5481]  ? clear_bhb_loop+0x30/0x80
[  258.262082][ T5481]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  258.268598][ T5481] RIP: 0033:0x7fec2a56260a
[  258.273750][ T5481] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  258.296044][ T5481] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  258.304934][ T5481] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  258.313777][ T5481] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  258.322240][ T5481] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  258.330975][ T5481] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  258.339543][ T5481] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  258.348254][ T5481]  </TASK>
[  258.352644][ T5481] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.368205][ T5481] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  258.722204][ T5483] loop1: detected capacity change from 0 to 32768
[  258.797156][ T5483] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  258.806305][ T5483] CPU: 1 PID: 5483 Comm: syz.1.196 Not tainted syzkaller #0
[  258.815041][ T5483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  258.825758][ T5483] Call Trace:
[  258.829701][ T5483]  <TASK>
[  258.832829][ T5483]  dump_stack_lvl+0x188/0x250
[  258.838252][ T5483]  ? show_regs_print_info+0x20/0x20
[  258.844791][ T5483]  ? load_image+0x400/0x400
[  258.849960][ T5483]  sysfs_create_dir_ns+0x26a/0x290
[  258.855449][ T5483]  ? sysfs_warn_dup+0xa0/0xa0
[  258.860421][ T5483]  ? do_raw_spin_unlock+0x11d/0x230
[  258.866594][ T5483]  kobject_add_internal+0x6e0/0xd90
[  258.872970][ T5483]  kobject_init_and_add+0x128/0x190
[  258.878828][ T5483]  ? lockdep_softirqs_off+0x430/0x430
[  258.884755][ T5483]  ? kobject_add+0x230/0x230
[  258.890021][ T5483]  ? __init_swait_queue_head+0xa5/0x150
[  258.897018][ T5483]  gfs2_sys_fs_add+0x24f/0x4b0
[  258.902515][ T5483]  ? gfs2_recover_set+0x240/0x240
[  258.908037][ T5483]  ? snprintf+0xe5/0x140
[  258.913051][ T5483]  ? __free_pages+0x95/0x1a0
[  258.918658][ T5483]  ? vscnprintf+0x80/0x80
[  258.923439][ T5483]  gfs2_fill_super+0x120f/0x1f00
[  258.930623][ T5483]  ? gfs2_reconfigure+0xd30/0xd30
[  258.936923][ T5483]  ? sb_set_blocksize+0xa5/0xe0
[  258.942609][ T5483]  get_tree_bdev+0x3f1/0x610
[  258.948500][ T5483]  ? gfs2_reconfigure+0xd30/0xd30
[  258.953897][ T5483]  gfs2_get_tree+0x4d/0x1e0
[  258.958604][ T5483]  vfs_get_tree+0x88/0x270
[  258.963671][ T5483]  do_new_mount+0x24a/0xa40
[  258.968841][ T5483]  __se_sys_mount+0x2e3/0x3d0
[  258.974185][ T5483]  ? __x64_sys_mount+0xc0/0xc0
[  258.979391][ T5483]  ? lockdep_hardirqs_on+0x94/0x140
[  258.984673][ T5483]  ? __x64_sys_mount+0x1c/0xc0
[  258.989611][ T5483]  do_syscall_64+0x4c/0xa0
[  258.994299][ T5483]  ? clear_bhb_loop+0x30/0x80
[  258.999344][ T5483]  ? clear_bhb_loop+0x30/0x80
[  259.004569][ T5483]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  259.011277][ T5483] RIP: 0033:0x7fec2a56260a
[  259.015961][ T5483] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  259.036898][ T5483] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.045792][ T5483] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  259.054796][ T5483] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  259.064198][ T5483] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  259.073820][ T5483] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  259.082973][ T5483] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  259.092182][ T5483]  </TASK>
[  259.098120][ T5483] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  259.112602][ T5483] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.445361][ T5485] loop1: detected capacity change from 0 to 32768
[  259.461947][ T5485] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.473703][ T5485] CPU: 0 PID: 5485 Comm: syz.1.197 Not tainted syzkaller #0
[  259.481641][ T5485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  259.492792][ T5485] Call Trace:
[  259.496433][ T5485]  <TASK>
[  259.500367][ T5485]  dump_stack_lvl+0x188/0x250
[  259.506017][ T5485]  ? show_regs_print_info+0x20/0x20
[  259.511675][ T5485]  ? load_image+0x400/0x400
[  259.516595][ T5485]  sysfs_create_dir_ns+0x26a/0x290
[  259.522436][ T5485]  ? sysfs_warn_dup+0xa0/0xa0
[  259.527414][ T5485]  ? do_raw_spin_unlock+0x11d/0x230
[  259.533085][ T5485]  kobject_add_internal+0x6e0/0xd90
[  259.538509][ T5485]  kobject_init_and_add+0x128/0x190
[  259.544705][ T5485]  ? lockdep_softirqs_off+0x430/0x430
[  259.551334][ T5485]  ? kobject_add+0x230/0x230
[  259.556462][ T5485]  ? __init_swait_queue_head+0xa5/0x150
[  259.562497][ T5485]  gfs2_sys_fs_add+0x24f/0x4b0
[  259.568469][ T5485]  ? gfs2_recover_set+0x240/0x240
[  259.574787][ T5485]  ? snprintf+0xe5/0x140
[  259.579414][ T5485]  ? __free_pages+0x95/0x1a0
[  259.584292][ T5485]  ? vscnprintf+0x80/0x80
[  259.589117][ T5485]  gfs2_fill_super+0x120f/0x1f00
[  259.594522][ T5485]  ? gfs2_reconfigure+0xd30/0xd30
[  259.600415][ T5485]  ? sb_set_blocksize+0xa5/0xe0
[  259.605892][ T5485]  get_tree_bdev+0x3f1/0x610
[  259.612209][ T5485]  ? gfs2_reconfigure+0xd30/0xd30
[  259.617719][ T5485]  gfs2_get_tree+0x4d/0x1e0
[  259.622556][ T5485]  vfs_get_tree+0x88/0x270
[  259.628418][ T5485]  do_new_mount+0x24a/0xa40
[  259.633492][ T5485]  __se_sys_mount+0x2e3/0x3d0
[  259.638779][ T5485]  ? __x64_sys_mount+0xc0/0xc0
[  259.644409][ T5485]  ? lockdep_hardirqs_on+0x94/0x140
[  259.650018][ T5485]  ? __x64_sys_mount+0x1c/0xc0
[  259.654968][ T5485]  do_syscall_64+0x4c/0xa0
[  259.659771][ T5485]  ? clear_bhb_loop+0x30/0x80
[  259.666605][ T5485]  ? clear_bhb_loop+0x30/0x80
[  259.673663][ T5485]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  259.680693][ T5485] RIP: 0033:0x7fec2a56260a
[  259.685678][ T5485] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  259.709500][ T5485] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.718620][ T5485] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  259.727516][ T5485] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  259.737337][ T5485] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  259.747157][ T5485] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  259.758635][ T5485] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  259.768768][ T5485]  </TASK>
[  259.773808][ T5485] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  259.788397][ T5485] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  260.135042][ T5487] loop1: detected capacity change from 0 to 32768
[  260.183880][ T5487] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  260.192032][ T5487] CPU: 1 PID: 5487 Comm: syz.1.198 Not tainted syzkaller #0
[  260.201072][ T5487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  260.212163][ T5487] Call Trace:
[  260.215743][ T5487]  <TASK>
[  260.219237][ T5487]  dump_stack_lvl+0x188/0x250
[  260.224610][ T5487]  ? show_regs_print_info+0x20/0x20
[  260.230468][ T5487]  ? load_image+0x400/0x400
[  260.235292][ T5487]  sysfs_create_dir_ns+0x26a/0x290
[  260.240618][ T5487]  ? sysfs_warn_dup+0xa0/0xa0
[  260.245758][ T5487]  ? do_raw_spin_unlock+0x11d/0x230
[  260.251929][ T5487]  kobject_add_internal+0x6e0/0xd90
[  260.258155][ T5487]  kobject_init_and_add+0x128/0x190
[  260.263899][ T5487]  ? lockdep_softirqs_off+0x430/0x430
[  260.270019][ T5487]  ? kobject_add+0x230/0x230
[  260.275807][ T5487]  ? __init_swait_queue_head+0xa5/0x150
[  260.281749][ T5487]  gfs2_sys_fs_add+0x24f/0x4b0
[  260.287094][ T5487]  ? gfs2_recover_set+0x240/0x240
[  260.293007][ T5487]  ? snprintf+0xe5/0x140
[  260.297542][ T5487]  ? __free_pages+0x95/0x1a0
[  260.302344][ T5487]  ? vscnprintf+0x80/0x80
[  260.307288][ T5487]  gfs2_fill_super+0x120f/0x1f00
[  260.312530][ T5487]  ? gfs2_reconfigure+0xd30/0xd30
[  260.317972][ T5487]  ? sb_set_blocksize+0xa5/0xe0
[  260.322957][ T5487]  get_tree_bdev+0x3f1/0x610
[  260.327743][ T5487]  ? gfs2_reconfigure+0xd30/0xd30
[  260.333303][ T5487]  gfs2_get_tree+0x4d/0x1e0
[  260.338693][ T5487]  vfs_get_tree+0x88/0x270
[  260.343465][ T5487]  do_new_mount+0x24a/0xa40
[  260.348394][ T5487]  __se_sys_mount+0x2e3/0x3d0
[  260.353087][ T5487]  ? __x64_sys_mount+0xc0/0xc0
[  260.358145][ T5487]  ? lockdep_hardirqs_on+0x94/0x140
[  260.363513][ T5487]  ? __x64_sys_mount+0x1c/0xc0
[  260.369458][ T5487]  do_syscall_64+0x4c/0xa0
[  260.375653][ T5487]  ? clear_bhb_loop+0x30/0x80
[  260.381139][ T5487]  ? clear_bhb_loop+0x30/0x80
[  260.386849][ T5487]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  260.393976][ T5487] RIP: 0033:0x7fec2a56260a
[  260.399387][ T5487] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  260.422895][ T5487] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  260.433800][ T5487] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  260.443570][ T5487] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  260.452724][ T5487] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  260.463253][ T5487] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  260.472629][ T5487] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  260.481949][ T5487]  </TASK>
[  260.488280][ T5487] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  260.503170][ T5487] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/31 15:10:25 executed programs: 184
[  260.823234][ T5489] loop1: detected capacity change from 0 to 32768
[  260.918020][ T5489] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  260.929586][ T5489] CPU: 1 PID: 5489 Comm: syz.1.199 Not tainted syzkaller #0
[  260.937550][ T5489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  260.948655][ T5489] Call Trace:
[  260.952232][ T5489]  <TASK>
[  260.955487][ T5489]  dump_stack_lvl+0x188/0x250
[  260.960563][ T5489]  ? show_regs_print_info+0x20/0x20
[  260.966423][ T5489]  ? load_image+0x400/0x400
[  260.971435][ T5489]  sysfs_create_dir_ns+0x26a/0x290
[  260.977151][ T5489]  ? sysfs_warn_dup+0xa0/0xa0
[  260.982192][ T5489]  ? do_raw_spin_unlock+0x11d/0x230
[  260.988520][ T5489]  kobject_add_internal+0x6e0/0xd90
[  260.994768][ T5489]  kobject_init_and_add+0x128/0x190
[  261.000563][ T5489]  ? lockdep_softirqs_off+0x430/0x430
[  261.006996][ T5489]  ? kobject_add+0x230/0x230
[  261.012146][ T5489]  ? __init_swait_queue_head+0xa5/0x150
[  261.018282][ T5489]  gfs2_sys_fs_add+0x24f/0x4b0
[  261.023898][ T5489]  ? gfs2_recover_set+0x240/0x240
[  261.028981][ T5489]  ? snprintf+0xe5/0x140
[  261.033955][ T5489]  ? __free_pages+0x95/0x1a0
[  261.039016][ T5489]  ? vscnprintf+0x80/0x80
[  261.043631][ T5489]  gfs2_fill_super+0x120f/0x1f00
[  261.049896][ T5489]  ? gfs2_reconfigure+0xd30/0xd30
[  261.056040][ T5489]  ? sb_set_blocksize+0xa5/0xe0
[  261.062412][ T5489]  get_tree_bdev+0x3f1/0x610
[  261.067523][ T5489]  ? gfs2_reconfigure+0xd30/0xd30
[  261.073633][ T5489]  gfs2_get_tree+0x4d/0x1e0
[  261.078412][ T5489]  vfs_get_tree+0x88/0x270
[  261.083665][ T5489]  do_new_mount+0x24a/0xa40
[  261.089070][ T5489]  __se_sys_mount+0x2e3/0x3d0
[  261.094292][ T5489]  ? __x64_sys_mount+0xc0/0xc0
[  261.099961][ T5489]  ? lockdep_hardirqs_on+0x94/0x140
[  261.105934][ T5489]  ? __x64_sys_mount+0x1c/0xc0
[  261.111962][ T5489]  do_syscall_64+0x4c/0xa0
[  261.117036][ T5489]  ? clear_bhb_loop+0x30/0x80
[  261.121903][ T5489]  ? clear_bhb_loop+0x30/0x80
[  261.126595][ T5489]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  261.133296][ T5489] RIP: 0033:0x7fec2a56260a
[  261.138007][ T5489] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  261.160855][ T5489] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  261.170315][ T5489] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  261.179687][ T5489] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  261.188609][ T5489] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  261.197677][ T5489] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  261.208571][ T5489] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  261.218153][ T5489]  </TASK>
[  261.225087][ T5489] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  261.240892][ T5489] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  261.553956][ T5491] loop1: detected capacity change from 0 to 32768
[  261.636955][ T5491] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  261.645709][ T5491] CPU: 1 PID: 5491 Comm: syz.1.200 Not tainted syzkaller #0
[  261.654011][ T5491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  261.665572][ T5491] Call Trace:
[  261.669232][ T5491]  <TASK>
[  261.672840][ T5491]  dump_stack_lvl+0x188/0x250
[  261.678235][ T5491]  ? show_regs_print_info+0x20/0x20
[  261.684341][ T5491]  ? load_image+0x400/0x400
[  261.689281][ T5491]  sysfs_create_dir_ns+0x26a/0x290
[  261.695304][ T5491]  ? sysfs_warn_dup+0xa0/0xa0
[  261.700250][ T5491]  ? do_raw_spin_unlock+0x11d/0x230
[  261.706236][ T5491]  kobject_add_internal+0x6e0/0xd90
[  261.712418][ T5491]  kobject_init_and_add+0x128/0x190
[  261.719484][ T5491]  ? lockdep_softirqs_off+0x430/0x430
[  261.725678][ T5491]  ? kobject_add+0x230/0x230
[  261.731092][ T5491]  ? __init_swait_queue_head+0xa5/0x150
[  261.737214][ T5491]  gfs2_sys_fs_add+0x24f/0x4b0
[  261.742194][ T5491]  ? gfs2_recover_set+0x240/0x240
[  261.747465][ T5491]  ? snprintf+0xe5/0x140
[  261.752429][ T5491]  ? __free_pages+0x95/0x1a0
[  261.757608][ T5491]  ? vscnprintf+0x80/0x80
[  261.763316][ T5491]  gfs2_fill_super+0x120f/0x1f00
[  261.768454][ T5491]  ? gfs2_reconfigure+0xd30/0xd30
[  261.773668][ T5491]  ? sb_set_blocksize+0xa5/0xe0
[  261.779015][ T5491]  get_tree_bdev+0x3f1/0x610
[  261.783939][ T5491]  ? gfs2_reconfigure+0xd30/0xd30
[  261.789333][ T5491]  gfs2_get_tree+0x4d/0x1e0
[  261.794290][ T5491]  vfs_get_tree+0x88/0x270
[  261.798924][ T5491]  do_new_mount+0x24a/0xa40
[  261.803744][ T5491]  __se_sys_mount+0x2e3/0x3d0
[  261.808756][ T5491]  ? __x64_sys_mount+0xc0/0xc0
[  261.814557][ T5491]  ? lockdep_hardirqs_on+0x94/0x140
[  261.820363][ T5491]  ? __x64_sys_mount+0x1c/0xc0
[  261.826644][ T5491]  do_syscall_64+0x4c/0xa0
[  261.831991][ T5491]  ? clear_bhb_loop+0x30/0x80
[  261.836944][ T5491]  ? clear_bhb_loop+0x30/0x80
[  261.841922][ T5491]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  261.848081][ T5491] RIP: 0033:0x7fec2a56260a
[  261.853001][ T5491] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  261.874203][ T5491] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  261.883141][ T5491] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  261.891812][ T5491] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  261.900793][ T5491] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  261.909416][ T5491] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  261.918808][ T5491] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  261.928083][ T5491]  </TASK>
[  261.934351][ T5491] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  261.949050][ T5491] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  262.293787][ T5493] loop1: detected capacity change from 0 to 32768
[  262.353845][ T5493] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  262.361823][ T5493] CPU: 1 PID: 5493 Comm: syz.1.201 Not tainted syzkaller #0
[  262.370208][ T5493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  262.381219][ T5493] Call Trace:
[  262.384970][ T5493]  <TASK>
[  262.388415][ T5493]  dump_stack_lvl+0x188/0x250
[  262.394672][ T5493]  ? show_regs_print_info+0x20/0x20
[  262.400542][ T5493]  ? load_image+0x400/0x400
[  262.405540][ T5493]  sysfs_create_dir_ns+0x26a/0x290
[  262.411123][ T5493]  ? sysfs_warn_dup+0xa0/0xa0
[  262.416351][ T5493]  ? do_raw_spin_unlock+0x11d/0x230
[  262.421938][ T5493]  kobject_add_internal+0x6e0/0xd90
[  262.428507][ T5493]  kobject_init_and_add+0x128/0x190
[  262.434983][ T5493]  ? lockdep_softirqs_off+0x430/0x430
[  262.440884][ T5493]  ? kobject_add+0x230/0x230
[  262.446295][ T5493]  ? __init_swait_queue_head+0xa5/0x150
[  262.453252][ T5493]  gfs2_sys_fs_add+0x24f/0x4b0
[  262.458721][ T5493]  ? gfs2_recover_set+0x240/0x240
[  262.464311][ T5493]  ? snprintf+0xe5/0x140
[  262.468558][ T5493]  ? __free_pages+0x95/0x1a0
[  262.473451][ T5493]  ? vscnprintf+0x80/0x80
[  262.477906][ T5493]  gfs2_fill_super+0x120f/0x1f00
[  262.483324][ T5493]  ? gfs2_reconfigure+0xd30/0xd30
[  262.488761][ T5493]  ? sb_set_blocksize+0xa5/0xe0
[  262.494234][ T5493]  get_tree_bdev+0x3f1/0x610
[  262.499184][ T5493]  ? gfs2_reconfigure+0xd30/0xd30
[  262.504286][ T5493]  gfs2_get_tree+0x4d/0x1e0
[  262.510010][ T5493]  vfs_get_tree+0x88/0x270
[  262.514691][ T5493]  do_new_mount+0x24a/0xa40
[  262.519824][ T5493]  __se_sys_mount+0x2e3/0x3d0
[  262.524835][ T5493]  ? __x64_sys_mount+0xc0/0xc0
[  262.530340][ T5493]  ? lockdep_hardirqs_on+0x94/0x140
[  262.536244][ T5493]  ? __x64_sys_mount+0x1c/0xc0
[  262.541473][ T5493]  do_syscall_64+0x4c/0xa0
[  262.545877][ T5493]  ? clear_bhb_loop+0x30/0x80
[  262.551131][ T5493]  ? clear_bhb_loop+0x30/0x80
[  262.556519][ T5493]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  262.563343][ T5493] RIP: 0033:0x7fec2a56260a
[  262.568766][ T5493] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  262.590109][ T5493] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  262.598832][ T5493] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  262.606894][ T5493] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  262.614949][ T5493] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  262.623270][ T5493] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  262.632152][ T5493] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  262.640939][ T5493]  </TASK>
[  262.646431][ T5493] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  262.661680][ T5493] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  262.984690][ T5495] loop1: detected capacity change from 0 to 32768
[  263.033539][ T5495] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  263.041693][ T5495] CPU: 0 PID: 5495 Comm: syz.1.202 Not tainted syzkaller #0
[  263.049545][ T5495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  263.060499][ T5495] Call Trace:
[  263.064247][ T5495]  <TASK>
[  263.067463][ T5495]  dump_stack_lvl+0x188/0x250
[  263.072971][ T5495]  ? show_regs_print_info+0x20/0x20
[  263.078749][ T5495]  ? load_image+0x400/0x400
[  263.083467][ T5495]  sysfs_create_dir_ns+0x26a/0x290
[  263.089085][ T5495]  ? sysfs_warn_dup+0xa0/0xa0
[  263.093830][ T5495]  ? do_raw_spin_unlock+0x11d/0x230
[  263.099149][ T5495]  kobject_add_internal+0x6e0/0xd90
[  263.104815][ T5495]  kobject_init_and_add+0x128/0x190
[  263.110429][ T5495]  ? lockdep_softirqs_off+0x430/0x430
[  263.116424][ T5495]  ? kobject_add+0x230/0x230
[  263.121408][ T5495]  ? __init_swait_queue_head+0xa5/0x150
[  263.127436][ T5495]  gfs2_sys_fs_add+0x24f/0x4b0
[  263.133226][ T5495]  ? gfs2_recover_set+0x240/0x240
[  263.138542][ T5495]  ? snprintf+0xe5/0x140
[  263.143324][ T5495]  ? __free_pages+0x95/0x1a0
[  263.148368][ T5495]  ? vscnprintf+0x80/0x80
[  263.153167][ T5495]  gfs2_fill_super+0x120f/0x1f00
[  263.158708][ T5495]  ? gfs2_reconfigure+0xd30/0xd30
[  263.164023][ T5495]  ? sb_set_blocksize+0xa5/0xe0
[  263.169265][ T5495]  get_tree_bdev+0x3f1/0x610
[  263.174408][ T5495]  ? gfs2_reconfigure+0xd30/0xd30
[  263.179624][ T5495]  gfs2_get_tree+0x4d/0x1e0
[  263.184301][ T5495]  vfs_get_tree+0x88/0x270
[  263.189487][ T5495]  do_new_mount+0x24a/0xa40
[  263.194130][ T5495]  __se_sys_mount+0x2e3/0x3d0
[  263.199080][ T5495]  ? __x64_sys_mount+0xc0/0xc0
[  263.204413][ T5495]  ? lockdep_hardirqs_on+0x94/0x140
[  263.210426][ T5495]  ? __x64_sys_mount+0x1c/0xc0
[  263.215387][ T5495]  do_syscall_64+0x4c/0xa0
[  263.220449][ T5495]  ? clear_bhb_loop+0x30/0x80
[  263.226151][ T5495]  ? clear_bhb_loop+0x30/0x80
[  263.231401][ T5495]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  263.237666][ T5495] RIP: 0033:0x7fec2a56260a
[  263.242263][ T5495] 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
[  263.263997][ T5495] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  263.273221][ T5495] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  263.282066][ T5495] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  263.291235][ T5495] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  263.299572][ T5495] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  263.308014][ T5495] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  263.316445][ T5495]  </TASK>
[  263.323521][ T5495] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  263.337730][ T5495] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  263.681229][ T5497] loop1: detected capacity change from 0 to 32768
[  263.736973][ T5497] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  263.748014][ T5497] CPU: 0 PID: 5497 Comm: syz.1.203 Not tainted syzkaller #0
[  263.757796][ T5497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  263.770408][ T5497] Call Trace:
[  263.774065][ T5497]  <TASK>
[  263.777357][ T5497]  dump_stack_lvl+0x188/0x250
[  263.782452][ T5497]  ? show_regs_print_info+0x20/0x20
[  263.789165][ T5497]  ? load_image+0x400/0x400
[  263.794073][ T5497]  sysfs_create_dir_ns+0x26a/0x290
[  263.800036][ T5497]  ? sysfs_warn_dup+0xa0/0xa0
[  263.805811][ T5497]  ? do_raw_spin_unlock+0x11d/0x230
[  263.812724][ T5497]  kobject_add_internal+0x6e0/0xd90
[  263.818452][ T5497]  kobject_init_and_add+0x128/0x190
[  263.823867][ T5497]  ? lockdep_softirqs_off+0x430/0x430
[  263.830566][ T5497]  ? kobject_add+0x230/0x230
[  263.836670][ T5497]  ? __init_swait_queue_head+0xa5/0x150
[  263.843171][ T5497]  gfs2_sys_fs_add+0x24f/0x4b0
[  263.848653][ T5497]  ? gfs2_recover_set+0x240/0x240
[  263.854053][ T5497]  ? snprintf+0xe5/0x140
[  263.860263][ T5497]  ? __free_pages+0x95/0x1a0
[  263.865893][ T5497]  ? vscnprintf+0x80/0x80
[  263.872712][ T5497]  gfs2_fill_super+0x120f/0x1f00
[  263.879838][ T5497]  ? gfs2_reconfigure+0xd30/0xd30
[  263.886575][ T5497]  ? sb_set_blocksize+0xa5/0xe0
[  263.892474][ T5497]  get_tree_bdev+0x3f1/0x610
[  263.897362][ T5497]  ? gfs2_reconfigure+0xd30/0xd30
[  263.905374][ T5497]  gfs2_get_tree+0x4d/0x1e0
[  263.910859][ T5497]  vfs_get_tree+0x88/0x270
[  263.915982][ T5497]  do_new_mount+0x24a/0xa40
[  263.921296][ T5497]  __se_sys_mount+0x2e3/0x3d0
[  263.926982][ T5497]  ? __x64_sys_mount+0xc0/0xc0
[  263.932502][ T5497]  ? lockdep_hardirqs_on+0x94/0x140
[  263.938101][ T5497]  ? __x64_sys_mount+0x1c/0xc0
[  263.943243][ T5497]  do_syscall_64+0x4c/0xa0
[  263.948273][ T5497]  ? clear_bhb_loop+0x30/0x80
[  263.953600][ T5497]  ? clear_bhb_loop+0x30/0x80
[  263.959126][ T5497]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  263.965831][ T5497] RIP: 0033:0x7fec2a56260a
[  263.970851][ T5497] 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
[  263.993234][ T5497] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  264.002506][ T5497] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  264.011527][ T5497] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  264.020468][ T5497] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  264.029123][ T5497] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  264.039111][ T5497] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  264.047396][ T5497]  </TASK>
[  264.051453][ T5497] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  264.067271][ T5497] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  264.398110][ T5499] loop1: detected capacity change from 0 to 32768
[  264.486410][ T5499] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  264.494876][ T5499] CPU: 0 PID: 5499 Comm: syz.1.204 Not tainted syzkaller #0
[  264.502447][ T5499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  264.513477][ T5499] Call Trace:
[  264.517049][ T5499]  <TASK>
[  264.520263][ T5499]  dump_stack_lvl+0x188/0x250
[  264.525156][ T5499]  ? show_regs_print_info+0x20/0x20
[  264.531190][ T5499]  ? load_image+0x400/0x400
[  264.536191][ T5499]  sysfs_create_dir_ns+0x26a/0x290
[  264.541664][ T5499]  ? sysfs_warn_dup+0xa0/0xa0
[  264.546750][ T5499]  ? do_raw_spin_unlock+0x11d/0x230
[  264.552330][ T5499]  kobject_add_internal+0x6e0/0xd90
[  264.558233][ T5499]  kobject_init_and_add+0x128/0x190
[  264.564211][ T5499]  ? lockdep_softirqs_off+0x430/0x430
[  264.570469][ T5499]  ? kobject_add+0x230/0x230
[  264.575338][ T5499]  ? __init_swait_queue_head+0xa5/0x150
[  264.581796][ T5499]  gfs2_sys_fs_add+0x24f/0x4b0
[  264.587007][ T5499]  ? gfs2_recover_set+0x240/0x240
[  264.592747][ T5499]  ? snprintf+0xe5/0x140
[  264.597289][ T5499]  ? __free_pages+0x95/0x1a0
[  264.602148][ T5499]  ? vscnprintf+0x80/0x80
[  264.606496][ T5499]  gfs2_fill_super+0x120f/0x1f00
[  264.611827][ T5499]  ? gfs2_reconfigure+0xd30/0xd30
[  264.617146][ T5499]  ? sb_set_blocksize+0xa5/0xe0
[  264.622541][ T5499]  get_tree_bdev+0x3f1/0x610
[  264.627321][ T5499]  ? gfs2_reconfigure+0xd30/0xd30
[  264.633196][ T5499]  gfs2_get_tree+0x4d/0x1e0
[  264.638334][ T5499]  vfs_get_tree+0x88/0x270
[  264.643025][ T5499]  do_new_mount+0x24a/0xa40
[  264.648004][ T5499]  __se_sys_mount+0x2e3/0x3d0
[  264.652713][ T5499]  ? __x64_sys_mount+0xc0/0xc0
[  264.657843][ T5499]  ? lockdep_hardirqs_on+0x94/0x140
[  264.663465][ T5499]  ? __x64_sys_mount+0x1c/0xc0
[  264.669017][ T5499]  do_syscall_64+0x4c/0xa0
[  264.673802][ T5499]  ? clear_bhb_loop+0x30/0x80
[  264.678909][ T5499]  ? clear_bhb_loop+0x30/0x80
[  264.684023][ T5499]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  264.691006][ T5499] RIP: 0033:0x7fec2a56260a
[  264.695615][ T5499] 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
[  264.716782][ T5499] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  264.725820][ T5499] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  264.735411][ T5499] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  264.744030][ T5499] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  264.753958][ T5499] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  264.764590][ T5499] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  264.775164][ T5499]  </TASK>
[  264.779426][ T5499] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  264.795206][ T5499] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  265.130891][ T5501] loop1: detected capacity change from 0 to 32768
[  265.183559][ T5501] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  265.193084][ T5501] CPU: 0 PID: 5501 Comm: syz.1.205 Not tainted syzkaller #0
[  265.201162][ T5501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  265.212624][ T5501] Call Trace:
[  265.215944][ T5501]  <TASK>
[  265.219174][ T5501]  dump_stack_lvl+0x188/0x250
[  265.224231][ T5501]  ? show_regs_print_info+0x20/0x20
[  265.230157][ T5501]  ? load_image+0x400/0x400
[  265.234978][ T5501]  sysfs_create_dir_ns+0x26a/0x290
[  265.240873][ T5501]  ? sysfs_warn_dup+0xa0/0xa0
[  265.245996][ T5501]  ? do_raw_spin_unlock+0x11d/0x230
[  265.251901][ T5501]  kobject_add_internal+0x6e0/0xd90
[  265.257853][ T5501]  kobject_init_and_add+0x128/0x190
[  265.263476][ T5501]  ? lockdep_softirqs_off+0x430/0x430
[  265.269851][ T5501]  ? kobject_add+0x230/0x230
[  265.274769][ T5501]  ? __init_swait_queue_head+0xa5/0x150
[  265.281059][ T5501]  gfs2_sys_fs_add+0x24f/0x4b0
[  265.286585][ T5501]  ? gfs2_recover_set+0x240/0x240
[  265.291964][ T5501]  ? snprintf+0xe5/0x140
[  265.296609][ T5501]  ? __free_pages+0x95/0x1a0
[  265.301449][ T5501]  ? vscnprintf+0x80/0x80
[  265.306583][ T5501]  gfs2_fill_super+0x120f/0x1f00
[  265.312077][ T5501]  ? gfs2_reconfigure+0xd30/0xd30
[  265.317385][ T5501]  ? sb_set_blocksize+0xa5/0xe0
[  265.322796][ T5501]  get_tree_bdev+0x3f1/0x610
[  265.328231][ T5501]  ? gfs2_reconfigure+0xd30/0xd30
[  265.333733][ T5501]  gfs2_get_tree+0x4d/0x1e0
[  265.338706][ T5501]  vfs_get_tree+0x88/0x270
[  265.343425][ T5501]  do_new_mount+0x24a/0xa40
[  265.348553][ T5501]  __se_sys_mount+0x2e3/0x3d0
[  265.353254][ T5501]  ? __x64_sys_mount+0xc0/0xc0
[  265.358496][ T5501]  ? lockdep_hardirqs_on+0x94/0x140
[  265.364130][ T5501]  ? __x64_sys_mount+0x1c/0xc0
[  265.369492][ T5501]  do_syscall_64+0x4c/0xa0
[  265.374510][ T5501]  ? clear_bhb_loop+0x30/0x80
[  265.379831][ T5501]  ? clear_bhb_loop+0x30/0x80
[  265.385589][ T5501]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  265.392933][ T5501] RIP: 0033:0x7fec2a56260a
[  265.398252][ T5501] 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
[  265.420357][ T5501] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  265.430657][ T5501] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  265.439440][ T5501] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  265.447798][ T5501] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  265.456208][ T5501] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  265.464844][ T5501] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  265.473382][ T5501]  </TASK>
[  265.481627][ T5501] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  265.498227][ T5501] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/31 15:10:30 executed programs: 191
[  265.827532][ T5503] loop1: detected capacity change from 0 to 32768
[  265.892525][ T5503] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  265.902343][ T5503] CPU: 0 PID: 5503 Comm: syz.1.206 Not tainted syzkaller #0
[  265.910723][ T5503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  265.921393][ T5503] Call Trace:
[  265.925681][ T5503]  <TASK>
[  265.929924][ T5503]  dump_stack_lvl+0x188/0x250
[  265.935970][ T5503]  ? show_regs_print_info+0x20/0x20
[  265.942127][ T5503]  ? load_image+0x400/0x400
[  265.947755][ T5503]  sysfs_create_dir_ns+0x26a/0x290
[  265.954697][ T5503]  ? sysfs_warn_dup+0xa0/0xa0
[  265.960032][ T5503]  ? do_raw_spin_unlock+0x11d/0x230
[  265.965951][ T5503]  kobject_add_internal+0x6e0/0xd90
[  265.971625][ T5503]  kobject_init_and_add+0x128/0x190
[  265.977586][ T5503]  ? lockdep_softirqs_off+0x430/0x430
[  265.983353][ T5503]  ? kobject_add+0x230/0x230
[  265.988159][ T5503]  ? __init_swait_queue_head+0xa5/0x150
[  265.994537][ T5503]  gfs2_sys_fs_add+0x24f/0x4b0
[  265.999519][ T5503]  ? gfs2_recover_set+0x240/0x240
[  266.004631][ T5503]  ? snprintf+0xe5/0x140
[  266.008994][ T5503]  ? __free_pages+0x95/0x1a0
[  266.014023][ T5503]  ? vscnprintf+0x80/0x80
[  266.019218][ T5503]  gfs2_fill_super+0x120f/0x1f00
[  266.024713][ T5503]  ? gfs2_reconfigure+0xd30/0xd30
[  266.031521][ T5503]  ? sb_set_blocksize+0xa5/0xe0
[  266.036998][ T5503]  get_tree_bdev+0x3f1/0x610
[  266.041725][ T5503]  ? gfs2_reconfigure+0xd30/0xd30
[  266.048146][ T5503]  gfs2_get_tree+0x4d/0x1e0
[  266.054247][ T5503]  vfs_get_tree+0x88/0x270
[  266.060038][ T5503]  do_new_mount+0x24a/0xa40
[  266.064824][ T5503]  __se_sys_mount+0x2e3/0x3d0
[  266.070846][ T5503]  ? __x64_sys_mount+0xc0/0xc0
[  266.077224][ T5503]  ? lockdep_hardirqs_on+0x94/0x140
[  266.083549][ T5503]  ? __x64_sys_mount+0x1c/0xc0
[  266.089085][ T5503]  do_syscall_64+0x4c/0xa0
[  266.093856][ T5503]  ? clear_bhb_loop+0x30/0x80
[  266.100277][ T5503]  ? clear_bhb_loop+0x30/0x80
[  266.106492][ T5503]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  266.113410][ T5503] RIP: 0033:0x7fec2a56260a
[  266.120407][ T5503] 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
[  266.144040][ T5503] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  266.153341][ T5503] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  266.166623][ T5503] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  266.176319][ T5503] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  266.186596][ T5503] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  266.195832][ T5503] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  266.205555][ T5503]  </TASK>
[  266.209467][ T5503] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  266.224395][ T5503] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  266.525016][   T27] INFO: task syz.0.17:5091 blocked for more than 143 seconds.
[  266.533357][   T27]       Not tainted syzkaller #0
[  266.553776][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  266.574065][   T27] task:syz.0.17        state:D stack:24632 pid: 5091 ppid:  4890 flags:0x00004004
[  266.603653][   T27] Call Trace:
[  266.607242][   T27]  <TASK>
[  266.610197][   T27]  __schedule+0x11ef/0x43c0
[  266.623753][   T27]  ? mark_lock+0x94/0x320
[  266.628691][   T27]  ? lock_chain_count+0x20/0x20
[  266.634444][   T27]  ? release_firmware_map_entry+0x190/0x190
[  266.641272][   T27]  ? _raw_spin_unlock_irqrestore+0x82/0x120
[  266.648805][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  266.655302][   T27]  ? _raw_spin_unlock_irqrestore+0xc1/0x120
[  266.664018][   T27]  schedule+0x11b/0x1e0
[  266.669544][   T27]  bit_wait+0xd/0xc0
[  266.674271][   T27]  out_of_line_wait_on_bit+0x173/0x230
[  266.680909][   T27]  ? out_of_line_wait_on_bit_lock+0x190/0x190
[  266.688394][   T27]  ? __wait_on_bit+0x170/0x170
[  266.693858][   T27]  ? bit_waitqueue+0x30/0x30
[  266.698850][   T27]  gfs2_glock_wait+0xd9/0x1c0
[  266.712037][   T27]  gfs2_statfs_init+0x11f/0x4d0
[  266.720226][ T5505] loop1: detected capacity change from 0 to 32768
[  266.727299][   T27]  ? gfs2_glock_wait+0x136/0x1c0
[  266.732748][   T27]  ? gfs2_statfs_change_out+0xe0/0xe0
[  266.739147][   T27]  ? init_per_node+0x2cb/0x3e0
[  266.757566][   T27]  ? gfs2_statfs_init+0x117/0x4d0
[  266.763398][   T27]  ? init_inodes+0x26a/0x320
[  266.768771][ T5505] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  266.777201][ T5505] CPU: 0 PID: 5505 Comm: syz.1.207 Not tainted syzkaller #0
[  266.785054][ T5505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  266.795927][ T5505] Call Trace:
[  266.799674][ T5505]  <TASK>
[  266.802712][ T5505]  dump_stack_lvl+0x188/0x250
[  266.808639][ T5505]  ? show_regs_print_info+0x20/0x20
[  266.814397][ T5505]  ? load_image+0x400/0x400
[  266.819129][ T5505]  sysfs_create_dir_ns+0x26a/0x290
[  266.824566][ T5505]  ? sysfs_warn_dup+0xa0/0xa0
[  266.829548][ T5505]  ? do_raw_spin_unlock+0x11d/0x230
[  266.835220][ T5505]  kobject_add_internal+0x6e0/0xd90
[  266.840878][ T5505]  kobject_init_and_add+0x128/0x190
[  266.846516][ T5505]  ? lockdep_softirqs_off+0x430/0x430
[  266.852602][ T5505]  ? kobject_add+0x230/0x230
[  266.857775][ T5505]  ? __init_swait_queue_head+0xa5/0x150
[  266.864172][ T5505]  gfs2_sys_fs_add+0x24f/0x4b0
[  266.869610][ T5505]  ? gfs2_recover_set+0x240/0x240
[  266.876199][ T5505]  ? snprintf+0xe5/0x140
[  266.880805][ T5505]  ? __free_pages+0x95/0x1a0
[  266.886329][ T5505]  ? vscnprintf+0x80/0x80
[  266.891168][ T5505]  gfs2_fill_super+0x120f/0x1f00
[  266.896468][ T5505]  ? gfs2_reconfigure+0xd30/0xd30
[  266.902106][ T5505]  ? sb_set_blocksize+0xa5/0xe0
[  266.907363][ T5505]  get_tree_bdev+0x3f1/0x610
[  266.913171][ T5505]  ? gfs2_reconfigure+0xd30/0xd30
[  266.919583][ T5505]  gfs2_get_tree+0x4d/0x1e0
[  266.924875][ T5505]  vfs_get_tree+0x88/0x270
[  266.931459][ T5505]  do_new_mount+0x24a/0xa40
[  266.937989][ T5505]  __se_sys_mount+0x2e3/0x3d0
[  266.942830][ T5505]  ? __x64_sys_mount+0xc0/0xc0
[  266.948775][ T5505]  ? lockdep_hardirqs_on+0x94/0x140
[  266.954715][ T5505]  ? __x64_sys_mount+0x1c/0xc0
[  266.960333][ T5505]  do_syscall_64+0x4c/0xa0
[  266.965682][ T5505]  ? clear_bhb_loop+0x30/0x80
[  266.971900][ T5505]  ? clear_bhb_loop+0x30/0x80
[  266.977076][ T5505]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  266.983609][ T5505] RIP: 0033:0x7fec2a56260a
[  266.988611][ T5505] 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
[  267.010078][ T5505] RSP: 002b:00007fec29bc4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  267.019049][ T5505] RAX: ffffffffffffffda RBX: 00007fec29bc4ee0 RCX: 00007fec2a56260a
[  267.028364][ T5505] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fec29bc4ea0
[  267.036535][ T5505] RBP: 0000200000000400 R08: 00007fec29bc4ee0 R09: 0000000000000000
[  267.044795][ T5505] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  267.054718][ T5505] R13: 00007fec29bc4ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  267.063863][ T5505]  </TASK>
[  267.067365][   T27]  gfs2_fill_super+0x16fc/0x1f00
[  267.073393][   T27]  ? gfs2_reconfigure+0xd30/0xd30
[  267.078826][   T27]  ? gfs2_glock_nq_num+0x82/0x1b0
[  267.085122][   T27]  ? sb_set_blocksize+0xa5/0xe0
[  267.090584][   T27]  get_tree_bdev+0x3f1/0x610
[  267.096006][   T27]  ? gfs2_reconfigure+0xd30/0xd30
[  267.101699][   T27]  gfs2_get_tree+0x4d/0x1e0
[  267.106818][   T27]  vfs_get_tree+0x88/0x270
[  267.111510][   T27]  do_new_mount+0x24a/0xa40
[  267.113771][ T5505] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  267.117348][   T27]  __se_sys_mount+0x2e3/0x3d0
[  267.139193][   T27]  ? __x64_sys_mount+0xc0/0xc0
[  267.144441][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  267.150302][   T27]  ? __x64_sys_mount+0x1c/0xc0
[  267.156029][ T5505] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  267.156128][   T27]  do_syscall_64+0x4c/0xa0
[  267.169271][   T27]  ? clear_bhb_loop+0x30/0x80
[  267.175109][   T27]  ? clear_bhb_loop+0x30/0x80
[  267.180641][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  267.188004][   T27] RIP: 0033:0x7faa1319360a
[  267.193054][   T27] RSP: 002b:00007faa127f5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  267.201911][   T27] RAX: ffffffffffffffda RBX: 00007faa127f5ee0 RCX: 00007faa1319360a
[  267.210700][   T27] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faa127f5ea0
[  267.219692][   T27] RBP: 0000200000000400 R08: 00007faa127f5ee0 R09: 0000000000000000
[  267.228522][   T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  267.237832][   T27] R13: 00007faa127f5ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  267.247483][   T27]  </TASK>
[  267.250637][   T27] 
[  267.250637][   T27] Showing all locks held in the system:
[  267.259214][   T27] 1 lock held by khungtaskd/27:
[  267.265042][   T27]  #0: ffffffff8c31eaa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[  267.274882][   T27] 3 locks held by kworker/u4:3/336:
[  267.280799][   T27]  #0: ffff8880b913a358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140
[  267.292171][   T27]  #1: ffff8880b9127888 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x499/0x7d0
[  267.304069][   T27]  #2: ffff8880b91280d8 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x123/0x270
[  267.314214][   T27] 2 locks held by getty/3943:
[  267.319168][   T27]  #0: ffff88814d23a098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[  267.329943][   T27]  #1: ffffc90002cf62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5df/0x1a70
[  267.341369][   T27] 1 lock held by syz.0.17/5091:
[  267.346671][   T27]  #0: ffff88807c2a20e0 (&type->s_umount_key#53/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950
[  267.358292][   T27] 2 locks held by syz.1.207/5505:
[  267.364503][   T27]  #0: ffff88801fdc1918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0
[  267.374921][   T27]  #1: ffff88801feba468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[  267.384819][   T27] 
[  267.387249][   T27] =============================================
[  267.387249][   T27] 
[  267.397320][   T27] NMI backtrace for cpu 0
[  267.402020][   T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  267.411004][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  267.423093][   T27] Call Trace:
[  267.427007][   T27]  <TASK>
[  267.430171][   T27]  dump_stack_lvl+0x188/0x250
[  267.435908][   T27]  ? show_regs_print_info+0x20/0x20
[  267.441937][   T27]  ? load_image+0x400/0x400
[  267.447041][   T27]  ? nmi_cpu_backtrace+0x1b2/0x3d0
[  267.453722][   T27]  nmi_cpu_backtrace+0x3a2/0x3d0
[  267.459132][   T27]  ? nmi_trigger_cpumask_backtrace+0x280/0x280
[  267.466820][   T27]  ? _printk+0xda/0x130
[  267.471975][   T27]  ? load_image+0x400/0x400
[  267.476753][   T27]  ? load_image+0x400/0x400
[  267.481615][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  267.488009][   T27]  nmi_trigger_cpumask_backtrace+0x163/0x280
[  267.494443][   T27]  watchdog+0xe0f/0xe50
[  267.498976][   T27]  kthread+0x436/0x520
[  267.503316][   T27]  ? hungtask_pm_notify+0x40/0x40
[  267.509605][   T27]  ? kthread_blkcg+0xd0/0xd0
[  267.515050][   T27]  ret_from_fork+0x1f/0x30
[  267.520460][   T27]  </TASK>
[  267.523869][   T27] Sending NMI from CPU 0 to CPUs 1:
[  267.529469][    C1] NMI backtrace for cpu 1 skipped: idling at default_idle+0xb/0x10
[  267.533148][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  267.546036][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  267.554007][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  267.565804][   T27] Call Trace:
[  267.569287][   T27]  <TASK>
[  267.572562][   T27]  dump_stack_lvl+0x188/0x250
[  267.577960][   T27]  ? show_regs_print_info+0x20/0x20
[  267.583524][   T27]  ? load_image+0x400/0x400
[  267.588225][   T27]  panic+0x2e5/0x810
[  267.593167][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  267.599736][   T27]  ? bpf_jit_dump+0xd0/0xd0
[  267.604522][   T27]  ? nmi_trigger_cpumask_backtrace+0x260/0x280
[  267.611214][   T27]  watchdog+0xe4e/0xe50
[  267.615733][   T27]  kthread+0x436/0x520
[  267.620526][   T27]  ? hungtask_pm_notify+0x40/0x40
[  267.626015][   T27]  ? kthread_blkcg+0xd0/0xd0
[  267.630793][   T27]  ret_from_fork+0x1f/0x30
[  267.635598][   T27]  </TASK>
[  267.640140][   T27] Kernel Offset: disabled
[  267.644850][   T27] Rebooting in 86400 seconds..