][ T5617] RBP: 0000200000000400 R08: 00007fc06b8bfef0 R09: 0000000000000000
[  213.552152][ T5617] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  213.560206][ T5617] R13: 00007fc06b8bfeb0 R14: 00000000000125bb R15: 00002000000004c0
[  213.568170][ T5617]  </TASK>
[  213.571243][ T5617] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  213.584645][ T5617] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  213.614655][ T5619] loop6: detected capacity change from 0 to 32768
[  213.644538][ T5621] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  213.652053][ T5621] CPU: 1 PID: 5621 Comm: syz.1.563 Not tainted syzkaller #0
[  213.659324][ T5621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  213.669376][ T5621] Call Trace:
[  213.672659][ T5621]  <TASK>
[  213.675598][ T5621]  dump_stack_lvl+0x41/0x5e
[  213.680107][ T5621]  sysfs_warn_dup.cold+0x17/0x24
[  213.685044][ T5621]  sysfs_create_dir_ns+0xaf/0xd0
[  213.690070][ T5621]  kobject_add_internal+0xc5/0x2d0
[  213.695187][ T5621]  kobject_init_and_add+0x71/0xa0
[  213.700486][ T5621]  ? lockdep_init_map_type+0x49/0x150
[  213.701261][ T5624] loop3: detected capacity change from 0 to 32768
[  213.705855][ T5621]  gfs2_sys_fs_add+0xb4/0x180
[  213.705865][ T5621]  gfs2_fill_super+0x649/0xbe0
[  213.705868][ T5621]  ? vsnprintf+0x112/0x4d0
[  213.705873][ T5621]  ? get_tree_bdev+0xad/0x280
[  213.705878][ T5621]  ? gfs2_reconfigure+0x3c0/0x3c0
[  213.705881][ T5621]  ? snprintf+0x49/0x60
[  213.705884][ T5621]  ? gfs2_reconfigure+0x3c0/0x3c0
[  213.705887][ T5621]  get_tree_bdev+0x178/0x280
[  213.705891][ T5621]  gfs2_get_tree+0x1c/0x90
[  213.754280][ T5621]  vfs_get_tree+0x18/0x70
[  213.758628][ T5621]  ? capable+0x2a/0x50
[  213.762707][ T5621]  path_mount+0x2c2/0xc60
[  213.767037][ T5621]  __x64_sys_mount+0xfe/0x140
[  213.771709][ T5621]  do_syscall_64+0x33/0x80
[  213.776121][ T5621]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  213.782010][ T5621] RIP: 0033:0x7f6d86c9990a
[  213.786417][ T5621] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  213.806021][ T5621] RSP: 002b:00007f6d86709e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  213.814549][ T5621] RAX: ffffffffffffffda RBX: 00007f6d86709ef0 RCX: 00007f6d86c9990a
[  213.822521][ T5621] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6d86709eb0
[  213.824750][ T5626] loop8: detected capacity change from 0 to 32768
[  213.830508][ T5621] RBP: 0000200000000400 R08: 00007f6d86709ef0 R09: 0000000000000000
[  213.844888][ T5621] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  213.853029][ T5621] R13: 00007f6d86709eb0 R14: 00000000000125bb R15: 00002000000004c0
[  213.861088][ T5621]  </TASK>
[  213.864237][ T5621] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  213.877535][ T5621] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  213.895633][ T5619] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  213.897129][ T5624] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  213.903255][ T5619] CPU: 1 PID: 5619 Comm: syz.6.562 Not tainted syzkaller #0
[  213.918230][ T5619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  213.928296][ T5619] Call Trace:
[  213.931571][ T5619]  <TASK>
[  213.934493][ T5619]  dump_stack_lvl+0x41/0x5e
[  213.938991][ T5619]  sysfs_warn_dup.cold+0x17/0x24
[  213.943911][ T5619]  sysfs_create_dir_ns+0xaf/0xd0
[  213.948830][ T5619]  kobject_add_internal+0xc5/0x2d0
[  213.954014][ T5619]  kobject_init_and_add+0x71/0xa0
[  213.959023][ T5619]  ? lockdep_init_map_type+0x49/0x150
[  213.964385][ T5619]  gfs2_sys_fs_add+0xb4/0x180
[  213.969065][ T5619]  gfs2_fill_super+0x649/0xbe0
[  213.973813][ T5619]  ? vsnprintf+0x112/0x4d0
[  213.978211][ T5619]  ? get_tree_bdev+0xad/0x280
[  213.982866][ T5619]  ? gfs2_reconfigure+0x3c0/0x3c0
[  213.987959][ T5619]  ? snprintf+0x49/0x60
[  213.992101][ T5619]  ? gfs2_reconfigure+0x3c0/0x3c0
[  213.997103][ T5619]  get_tree_bdev+0x178/0x280
[  214.001877][ T5619]  gfs2_get_tree+0x1c/0x90
[  214.006320][ T5619]  vfs_get_tree+0x18/0x70
[  214.010627][ T5619]  ? capable+0x2a/0x50
[  214.014677][ T5619]  path_mount+0x2c2/0xc60
[  214.018987][ T5619]  __x64_sys_mount+0xfe/0x140
[  214.023649][ T5619]  do_syscall_64+0x33/0x80
[  214.028174][ T5619]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  214.034197][ T5619] RIP: 0033:0x7f175899190a
[  214.038602][ T5619] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  214.058187][ T5619] RSP: 002b:00007f1758401e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  214.066719][ T5619] RAX: ffffffffffffffda RBX: 00007f1758401ef0 RCX: 00007f175899190a
[  214.074725][ T5619] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f1758401eb0
[  214.082678][ T5619] RBP: 0000200000000400 R08: 00007f1758401ef0 R09: 0000000000000000
[  214.090841][ T5619] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  214.098975][ T5619] R13: 00007f1758401eb0 R14: 00000000000125bb R15: 00002000000004c0
[  214.107021][ T5619]  </TASK>
[  214.110131][ T5624] CPU: 0 PID: 5624 Comm: syz.3.564 Not tainted syzkaller #0
[  214.110216][ T5619] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  214.117507][ T5624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  214.117510][ T5624] Call Trace:
[  214.117514][ T5624]  <TASK>
[  214.117515][ T5624]  dump_stack_lvl+0x41/0x5e
[  214.117524][ T5624]  sysfs_warn_dup.cold+0x17/0x24
[  214.117531][ T5624]  sysfs_create_dir_ns+0xaf/0xd0
[  214.117539][ T5624]  kobject_add_internal+0xc5/0x2d0
[  214.117545][ T5624]  kobject_init_and_add+0x71/0xa0
[  214.117549][ T5624]  ? lockdep_init_map_type+0x49/0x150
[  214.117556][ T5624]  gfs2_sys_fs_add+0xb4/0x180
[  214.117563][ T5624]  gfs2_fill_super+0x649/0xbe0
[  214.117566][ T5624]  ? vsnprintf+0x112/0x4d0
[  214.117571][ T5624]  ? get_tree_bdev+0xad/0x280
[  214.117575][ T5624]  ? gfs2_reconfigure+0x3c0/0x3c0
[  214.117578][ T5624]  ? snprintf+0x49/0x60
[  214.117581][ T5624]  ? gfs2_reconfigure+0x3c0/0x3c0
[  214.117584][ T5624]  get_tree_bdev+0x178/0x280
[  214.117587][ T5624]  gfs2_get_tree+0x1c/0x90
[  214.117590][ T5624]  vfs_get_tree+0x18/0x70
[  214.117593][ T5624]  ? capable+0x2a/0x50
[  214.117597][ T5624]  path_mount+0x2c2/0xc60
[  214.117602][ T5624]  __x64_sys_mount+0xfe/0x140
[  214.117605][ T5624]  do_syscall_64+0x33/0x80
[  214.117612][ T5624]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  214.117618][ T5624] RIP: 0033:0x7f6ad1f9190a
[  214.117623][ T5624] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  214.117626][ T5624] RSP: 002b:00007f6ad19e0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  214.117630][ T5624] RAX: ffffffffffffffda RBX: 00007f6ad19e0ef0 RCX: 00007f6ad1f9190a
[  214.117633][ T5624] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6ad19e0eb0
[  214.117635][ T5624] RBP: 0000200000000400 R08: 00007f6ad19e0ef0 R09: 0000000000000000
[  214.117637][ T5624] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  214.117639][ T5624] R13: 00007f6ad19e0eb0 R14: 00000000000125bb R15: 00002000000004c0
[  214.117642][ T5624]  </TASK>
[  214.117687][ T5624] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  214.130860][ T5619] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  214.140924][ T5624] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  214.141470][ T5626] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  214.338666][ T5628] loop5: detected capacity change from 0 to 32768
[  214.342734][ T5626] CPU: 0 PID: 5626 Comm: syz.8.565 Not tainted syzkaller #0
[  214.370689][ T5626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  214.380823][ T5626] Call Trace:
[  214.384174][ T5626]  <TASK>
[  214.387090][ T5626]  dump_stack_lvl+0x41/0x5e
[  214.391579][ T5626]  sysfs_warn_dup.cold+0x17/0x24
[  214.396546][ T5626]  sysfs_create_dir_ns+0xaf/0xd0
[  214.401478][ T5626]  kobject_add_internal+0xc5/0x2d0
[  214.406587][ T5626]  kobject_init_and_add+0x71/0xa0
[  214.411602][ T5626]  ? lockdep_init_map_type+0x49/0x150
[  214.416959][ T5626]  gfs2_sys_fs_add+0xb4/0x180
[  214.421706][ T5626]  gfs2_fill_super+0x649/0xbe0
[  214.426456][ T5626]  ? vsnprintf+0x112/0x4d0
[  214.430865][ T5626]  ? get_tree_bdev+0xad/0x280
[  214.435684][ T5626]  ? gfs2_reconfigure+0x3c0/0x3c0
[  214.440885][ T5626]  ? snprintf+0x49/0x60
[  214.445045][ T5626]  ? gfs2_reconfigure+0x3c0/0x3c0
[  214.450221][ T5626]  get_tree_bdev+0x178/0x280
[  214.454811][ T5626]  gfs2_get_tree+0x1c/0x90
[  214.459207][ T5626]  vfs_get_tree+0x18/0x70
[  214.463515][ T5626]  ? capable+0x2a/0x50
[  214.467571][ T5626]  path_mount+0x2c2/0xc60
[  214.471881][ T5626]  __x64_sys_mount+0xfe/0x140
[  214.476637][ T5626]  do_syscall_64+0x33/0x80
[  214.481036][ T5626]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  214.487174][ T5626] RIP: 0033:0x7f922dc3590a
[  214.491572][ T5626] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  214.511678][ T5626] RSP: 002b:00007f922d6a5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  214.520168][ T5626] RAX: ffffffffffffffda RBX: 00007f922d6a5ef0 RCX: 00007f922dc3590a
[  214.528135][ T5626] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f922d6a5eb0
[  214.536095][ T5626] RBP: 0000200000000400 R08: 00007f922d6a5ef0 R09: 0000000000000000
[  214.544163][ T5626] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  214.552206][ T5626] R13: 00007f922d6a5eb0 R14: 00000000000125bb R15: 00002000000004c0
[  214.560256][ T5626]  </TASK>
[  214.563431][ T5626] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  214.576639][ T5626] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  214.680830][ T5630] loop6: detected capacity change from 0 to 32768
[  214.680847][ T5628] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  214.694791][ T5628] CPU: 1 PID: 5628 Comm: syz.5.566 Not tainted syzkaller #0
[  214.702063][ T5628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  214.712226][ T5628] Call Trace:
[  214.715654][ T5628]  <TASK>
[  214.718604][ T5628]  dump_stack_lvl+0x41/0x5e
[  214.723243][ T5628]  sysfs_warn_dup.cold+0x17/0x24
[  214.728179][ T5628]  sysfs_create_dir_ns+0xaf/0xd0
[  214.733122][ T5628]  kobject_add_internal+0xc5/0x2d0
[  214.738350][ T5628]  kobject_init_and_add+0x71/0xa0
[  214.743474][ T5628]  ? lockdep_init_map_type+0x49/0x150
[  214.748862][ T5628]  gfs2_sys_fs_add+0xb4/0x180
[  214.753716][ T5628]  gfs2_fill_super+0x649/0xbe0
[  214.758487][ T5628]  ? vsnprintf+0x112/0x4d0
[  214.762900][ T5628]  ? get_tree_bdev+0xad/0x280
[  214.767638][ T5628]  ? gfs2_reconfigure+0x3c0/0x3c0
[  214.772658][ T5628]  ? snprintf+0x49/0x60
[  214.776815][ T5628]  ? gfs2_reconfigure+0x3c0/0x3c0
[  214.781869][ T5628]  get_tree_bdev+0x178/0x280
[  214.785903][ T5632] loop1: detected capacity change from 0 to 32768
[  214.786456][ T5628]  gfs2_get_tree+0x1c/0x90
[  214.797293][ T5628]  vfs_get_tree+0x18/0x70
[  214.801651][ T5628]  ? capable+0x2a/0x50
[  214.805723][ T5628]  path_mount+0x2c2/0xc60
[  214.810046][ T5628]  __x64_sys_mount+0xfe/0x140
[  214.814718][ T5628]  do_syscall_64+0x33/0x80
[  214.819135][ T5628]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  214.825025][ T5628] RIP: 0033:0x7fc06be4f90a
[  214.829454][ T5628] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  214.849273][ T5628] RSP: 002b:00007fc06b8bfe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  214.857883][ T5628] RAX: ffffffffffffffda RBX: 00007fc06b8bfef0 RCX: 00007fc06be4f90a
[  214.865855][ T5628] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc06b8bfeb0
[  214.873918][ T5628] RBP: 0000200000000400 R08: 00007fc06b8bfef0 R09: 0000000000000000
[  214.881984][ T5628] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  214.890219][ T5628] R13: 00007fc06b8bfeb0 R14: 00000000000125bb R15: 00002000000004c0
[  214.898449][ T5628]  </TASK>
[  214.901520][ T5628] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  214.908684][ T5635] loop8: detected capacity change from 0 to 32768
[  214.914713][ T5628] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  214.970708][ T5632] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  214.978306][ T5632] CPU: 0 PID: 5632 Comm: syz.1.568 Not tainted syzkaller #0
[  214.982437][ T5636] loop3: detected capacity change from 0 to 32768
[  214.986995][ T5632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  214.987000][ T5632] Call Trace:
[  214.987003][ T5632]  <TASK>
[  214.987006][ T5632]  dump_stack_lvl+0x41/0x5e
[  214.987016][ T5632]  sysfs_warn_dup.cold+0x17/0x24
[  214.993716][ T5635] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  215.003475][ T5632]  sysfs_create_dir_ns+0xaf/0xd0
[  215.003486][ T5632]  kobject_add_internal+0xc5/0x2d0
[  215.003493][ T5632]  kobject_init_and_add+0x71/0xa0
[  215.003497][ T5632]  ? lockdep_init_map_type+0x49/0x150
[  215.047121][ T5632]  gfs2_sys_fs_add+0xb4/0x180
[  215.051793][ T5632]  gfs2_fill_super+0x649/0xbe0
[  215.056547][ T5632]  ? vsnprintf+0x112/0x4d0
[  215.060976][ T5632]  ? get_tree_bdev+0xad/0x280
[  215.065751][ T5632]  ? gfs2_reconfigure+0x3c0/0x3c0
[  215.070965][ T5632]  ? snprintf+0x49/0x60
[  215.075104][ T5632]  ? gfs2_reconfigure+0x3c0/0x3c0
[  215.080243][ T5632]  get_tree_bdev+0x178/0x280
[  215.084902][ T5632]  gfs2_get_tree+0x1c/0x90
[  215.089373][ T5632]  vfs_get_tree+0x18/0x70
[  215.093816][ T5632]  ? capable+0x2a/0x50
[  215.097870][ T5632]  path_mount+0x2c2/0xc60
[  215.102290][ T5632]  __x64_sys_mount+0xfe/0x140
[  215.106967][ T5632]  do_syscall_64+0x33/0x80
[  215.111530][ T5632]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  215.117490][ T5632] RIP: 0033:0x7f6d86c9990a
[  215.121888][ T5632] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  215.141662][ T5632] RSP: 002b:00007f6d86709e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  215.150417][ T5632] RAX: ffffffffffffffda RBX: 00007f6d86709ef0 RCX: 00007f6d86c9990a
[  215.158374][ T5632] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6d86709eb0
[  215.166333][ T5632] RBP: 0000200000000400 R08: 00007f6d86709ef0 R09: 0000000000000000
[  215.174287][ T5632] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  215.182421][ T5632] R13: 00007f6d86709eb0 R14: 00000000000125bb R15: 00002000000004c0
[  215.190390][ T5632]  </TASK>
[  215.193475][ T5635] CPU: 1 PID: 5635 Comm: syz.8.569 Not tainted syzkaller #0
[  215.193572][ T5632] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  215.200755][ T5635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  215.213853][ T5632] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  215.223886][ T5635] Call Trace:
[  215.223890][ T5635]  <TASK>
[  215.223892][ T5635]  dump_stack_lvl+0x41/0x5e
[  215.230736][ T5630] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  215.233680][ T5635]  sysfs_warn_dup.cold+0x17/0x24
[  215.233691][ T5635]  sysfs_create_dir_ns+0xaf/0xd0
[  215.233700][ T5635]  kobject_add_internal+0xc5/0x2d0
[  215.233706][ T5635]  kobject_init_and_add+0x71/0xa0
[  215.268876][ T5635]  ? lockdep_init_map_type+0x49/0x150
[  215.274233][ T5635]  gfs2_sys_fs_add+0xb4/0x180
[  215.278907][ T5635]  gfs2_fill_super+0x649/0xbe0
[  215.283738][ T5635]  ? vsnprintf+0x112/0x4d0
[  215.288135][ T5635]  ? get_tree_bdev+0xad/0x280
[  215.292790][ T5635]  ? gfs2_reconfigure+0x3c0/0x3c0
[  215.297794][ T5635]  ? snprintf+0x49/0x60
[  215.301974][ T5635]  ? gfs2_reconfigure+0x3c0/0x3c0
[  215.307327][ T5635]  get_tree_bdev+0x178/0x280
[  215.311898][ T5635]  gfs2_get_tree+0x1c/0x90
[  215.316383][ T5635]  vfs_get_tree+0x18/0x70
[  215.320701][ T5635]  ? capable+0x2a/0x50
[  215.324752][ T5635]  path_mount+0x2c2/0xc60
[  215.329062][ T5635]  __x64_sys_mount+0xfe/0x140
[  215.333845][ T5635]  do_syscall_64+0x33/0x80
[  215.338508][ T5635]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  215.344377][ T5635] RIP: 0033:0x7f922dc3590a
[  215.348776][ T5635] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  215.368636][ T5635] RSP: 002b:00007f922d6a5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  215.377123][ T5635] RAX: ffffffffffffffda RBX: 00007f922d6a5ef0 RCX: 00007f922dc3590a
[  215.385166][ T5635] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f922d6a5eb0
[  215.393209][ T5635] RBP: 0000200000000400 R08: 00007f922d6a5ef0 R09: 0000000000000000
[  215.401169][ T5635] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  215.409145][ T5635] R13: 00007f922d6a5eb0 R14: 00000000000125bb R15: 00002000000004c0
[  215.417186][ T5635]  </TASK>
[  215.420192][ T5630] CPU: 0 PID: 5630 Comm: syz.6.567 Not tainted syzkaller #0
[  215.420253][ T5635] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  215.427480][ T5630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  215.427483][ T5630] Call Trace:
[  215.427486][ T5630]  <TASK>
[  215.427488][ T5630]  dump_stack_lvl+0x41/0x5e
[  215.427497][ T5630]  sysfs_warn_dup.cold+0x17/0x24
[  215.440594][ T5635] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  215.450647][ T5630]  sysfs_create_dir_ns+0xaf/0xd0
[  215.450657][ T5630]  kobject_add_internal+0xc5/0x2d0
[  215.450664][ T5630]  kobject_init_and_add+0x71/0xa0
[  215.450668][ T5630]  ? lockdep_init_map_type+0x49/0x150
[  215.493685][ T5630]  gfs2_sys_fs_add+0xb4/0x180
[  215.498364][ T5630]  gfs2_fill_super+0x649/0xbe0
[  215.503122][ T5630]  ? vsnprintf+0x112/0x4d0
[  215.507617][ T5630]  ? get_tree_bdev+0xad/0x280
[  215.512664][ T5630]  ? gfs2_reconfigure+0x3c0/0x3c0
[  215.517695][ T5630]  ? snprintf+0x49/0x60
[  215.521968][ T5630]  ? gfs2_reconfigure+0x3c0/0x3c0
[  215.527078][ T5630]  get_tree_bdev+0x178/0x280
[  215.531840][ T5630]  gfs2_get_tree+0x1c/0x90
[  215.536249][ T5630]  vfs_get_tree+0x18/0x70
[  215.540575][ T5630]  ? capable+0x2a/0x50
[  215.544639][ T5630]  path_mount+0x2c2/0xc60
[  215.548960][ T5630]  __x64_sys_mount+0xfe/0x140
[  215.553636][ T5630]  do_syscall_64+0x33/0x80
[  215.558207][ T5630]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  215.564096][ T5630] RIP: 0033:0x7f175899190a
[  215.568506][ T5630] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  215.588104][ T5630] RSP: 002b:00007f1758401e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  215.596508][ T5630] RAX: ffffffffffffffda RBX: 00007f1758401ef0 RCX: 00007f175899190a
[  215.604478][ T5630] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f1758401eb0
[  215.612535][ T5630] RBP: 0000200000000400 R08: 00007f1758401ef0 R09: 0000000000000000
2025/08/30 10:58:25 executed programs: 565
[  215.620592][ T5630] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  215.628825][ T5630] R13: 00007f1758401eb0 R14: 00000000000125bb R15: 00002000000004c0
[  215.636806][ T5630]  </TASK>
[  215.639895][ T5630] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  215.653466][ T5630] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  215.681836][ T5636] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  215.689261][ T5636] CPU: 1 PID: 5636 Comm: syz.3.570 Not tainted syzkaller #0
[  215.696542][ T5636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  215.706593][ T5636] Call Trace:
[  215.709883][ T5636]  <TASK>
[  215.713042][ T5636]  dump_stack_lvl+0x41/0x5e
[  215.717543][ T5636]  sysfs_warn_dup.cold+0x17/0x24
[  215.722564][ T5636]  sysfs_create_dir_ns+0xaf/0xd0
[  215.727550][ T5636]  kobject_add_internal+0xc5/0x2d0
[  215.732658][ T5636]  kobject_init_and_add+0x71/0xa0
[  215.737771][ T5636]  ? lockdep_init_map_type+0x49/0x150
[  215.743185][ T5636]  gfs2_sys_fs_add+0xb4/0x180
[  215.748011][ T5636]  gfs2_fill_super+0x649/0xbe0
[  215.752773][ T5636]  ? vsnprintf+0x112/0x4d0
[  215.757273][ T5636]  ? get_tree_bdev+0xad/0x280
[  215.761943][ T5636]  ? gfs2_reconfigure+0x3c0/0x3c0
[  215.766961][ T5636]  ? snprintf+0x49/0x60
[  215.771108][ T5636]  ? gfs2_reconfigure+0x3c0/0x3c0
[  215.776134][ T5636]  get_tree_bdev+0x178/0x280
[  215.780902][ T5636]  gfs2_get_tree+0x1c/0x90
[  215.785332][ T5636]  vfs_get_tree+0x18/0x70
[  215.789663][ T5636]  ? capable+0x2a/0x50
[  215.793730][ T5636]  path_mount+0x2c2/0xc60
[  215.798057][ T5636]  __x64_sys_mount+0xfe/0x140
[  215.802816][ T5636]  do_syscall_64+0x33/0x80
[  215.807229][ T5636]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  215.813206][ T5636] RIP: 0033:0x7f6ad1f9190a
[  215.817624][ T5636] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  215.830441][ T5644] loop8: detected capacity change from 0 to 32768
[  215.837539][ T5636] RSP: 002b:00007f6ad1a01e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  215.837545][ T5636] RAX: ffffffffffffffda RBX: 00007f6ad1a01ef0 RCX: 00007f6ad1f9190a
[  215.837548][ T5636] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6ad1a01eb0
[  215.837550][ T5636] RBP: 0000200000000400 R08: 00007f6ad1a01ef0 R09: 0000000000000000
[  215.837552][ T5636] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  215.837554][ T5636] R13: 00007f6ad1a01eb0 R14: 00000000000125bb R15: 00002000000004c0
[  215.837557][ T5636]  </TASK>
[  215.837672][ T5636] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  215.852469][ T5639] loop1: detected capacity change from 0 to 32768
[  215.852631][ T5636] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  215.943529][ T5642] loop5: detected capacity change from 0 to 32768
[  215.952390][ T5644] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  215.956218][ T5639] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  215.959831][ T5644] CPU: 1 PID: 5644 Comm: syz.8.573 Not tainted syzkaller #0
[  215.974524][ T5644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  215.984565][ T5644] Call Trace:
[  215.987838][ T5644]  <TASK>
[  215.990846][ T5644]  dump_stack_lvl+0x41/0x5e
[  215.995331][ T5644]  sysfs_warn_dup.cold+0x17/0x24
[  216.000341][ T5644]  sysfs_create_dir_ns+0xaf/0xd0
[  216.005269][ T5644]  kobject_add_internal+0xc5/0x2d0
[  216.010461][ T5644]  kobject_init_and_add+0x71/0xa0
[  216.015566][ T5644]  ? lockdep_init_map_type+0x49/0x150
[  216.020932][ T5644]  gfs2_sys_fs_add+0xb4/0x180
[  216.025598][ T5644]  gfs2_fill_super+0x649/0xbe0
[  216.030344][ T5644]  ? vsnprintf+0x112/0x4d0
[  216.034745][ T5644]  ? get_tree_bdev+0xad/0x280
[  216.039403][ T5644]  ? gfs2_reconfigure+0x3c0/0x3c0
[  216.044409][ T5644]  ? snprintf+0x49/0x60
[  216.048547][ T5644]  ? gfs2_reconfigure+0x3c0/0x3c0
[  216.053552][ T5644]  get_tree_bdev+0x178/0x280
[  216.058121][ T5644]  gfs2_get_tree+0x1c/0x90
[  216.062536][ T5644]  vfs_get_tree+0x18/0x70
[  216.066846][ T5644]  ? capable+0x2a/0x50
[  216.070896][ T5644]  path_mount+0x2c2/0xc60
[  216.075213][ T5644]  __x64_sys_mount+0xfe/0x140
[  216.079882][ T5644]  do_syscall_64+0x33/0x80
[  216.084284][ T5644]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  216.090181][ T5644] RIP: 0033:0x7f922dc3590a
[  216.094580][ T5644] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  216.114640][ T5644] RSP: 002b:00007f922d6a5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  216.123134][ T5644] RAX: ffffffffffffffda RBX: 00007f922d6a5ef0 RCX: 00007f922dc3590a
[  216.131571][ T5644] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f922d6a5eb0
[  216.139537][ T5644] RBP: 0000200000000400 R08: 00007f922d6a5ef0 R09: 0000000000000000
[  216.147504][ T5644] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  216.155894][ T5644] R13: 00007f922d6a5eb0 R14: 00000000000125bb R15: 00002000000004c0
[  216.163852][ T5644]  </TASK>
[  216.166996][ T5639] CPU: 0 PID: 5639 Comm: syz.1.571 Not tainted syzkaller #0
[  216.167072][ T5644] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  216.174365][ T5639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  216.174368][ T5639] Call Trace:
[  216.174372][ T5639]  <TASK>
[  216.174373][ T5639]  dump_stack_lvl+0x41/0x5e
[  216.187464][ T5644] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  216.197501][ T5639]  sysfs_warn_dup.cold+0x17/0x24
[  216.197511][ T5639]  sysfs_create_dir_ns+0xaf/0xd0
[  216.197520][ T5639]  kobject_add_internal+0xc5/0x2d0
[  216.197527][ T5639]  kobject_init_and_add+0x71/0xa0
[  216.197530][ T5639]  ? lockdep_init_map_type+0x49/0x150
[  216.241058][ T5639]  gfs2_sys_fs_add+0xb4/0x180
[  216.245825][ T5639]  gfs2_fill_super+0x649/0xbe0
[  216.250587][ T5639]  ? vsnprintf+0x112/0x4d0
[  216.254995][ T5639]  ? get_tree_bdev+0xad/0x280
[  216.259778][ T5639]  ? gfs2_reconfigure+0x3c0/0x3c0
[  216.264905][ T5639]  ? snprintf+0x49/0x60
[  216.269057][ T5639]  ? gfs2_reconfigure+0x3c0/0x3c0
[  216.274095][ T5639]  get_tree_bdev+0x178/0x280
[  216.278702][ T5639]  gfs2_get_tree+0x1c/0x90
[  216.283116][ T5639]  vfs_get_tree+0x18/0x70
[  216.287477][ T5639]  ? capable+0x2a/0x50
[  216.291665][ T5639]  path_mount+0x2c2/0xc60
[  216.295990][ T5639]  __x64_sys_mount+0xfe/0x140
[  216.300666][ T5639]  do_syscall_64+0x33/0x80
[  216.305264][ T5639]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  216.311193][ T5639] RIP: 0033:0x7f6d86c9990a
[  216.315611][ T5639] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  216.335303][ T5639] RSP: 002b:00007f6d86709e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  216.343925][ T5639] RAX: ffffffffffffffda RBX: 00007f6d86709ef0 RCX: 00007f6d86c9990a
[  216.344970][ T5646] loop3: detected capacity change from 0 to 32768
[  216.351894][ T5639] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6d86709eb0
[  216.351897][ T5639] RBP: 0000200000000400 R08: 00007f6d86709ef0 R09: 0000000000000000
[  216.351900][ T5639] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  216.351902][ T5639] R13: 00007f6d86709eb0 R14: 00000000000125bb R15: 00002000000004c0
[  216.351905][ T5639]  </TASK>
[  216.351933][ T5639] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  216.351936][ T5639] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  216.460227][ T5646] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  216.462137][ T5642] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  216.467793][ T5646] CPU: 1 PID: 5646 Comm: syz.3.574 Not tainted syzkaller #0
[  216.482489][ T5646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  216.492612][ T5646] Call Trace:
[  216.495879][ T5646]  <TASK>
[  216.498800][ T5646]  dump_stack_lvl+0x41/0x5e
[  216.503304][ T5646]  sysfs_warn_dup.cold+0x17/0x24
[  216.508231][ T5646]  sysfs_create_dir_ns+0xaf/0xd0
[  216.513153][ T5646]  kobject_add_internal+0xc5/0x2d0
[  216.518349][ T5646]  kobject_init_and_add+0x71/0xa0
[  216.523352][ T5646]  ? lockdep_init_map_type+0x49/0x150
[  216.528706][ T5646]  gfs2_sys_fs_add+0xb4/0x180
[  216.533366][ T5646]  gfs2_fill_super+0x649/0xbe0
[  216.538267][ T5646]  ? vsnprintf+0x112/0x4d0
[  216.542667][ T5646]  ? get_tree_bdev+0xad/0x280
[  216.547509][ T5646]  ? gfs2_reconfigure+0x3c0/0x3c0
[  216.552515][ T5646]  ? snprintf+0x49/0x60
[  216.556670][ T5646]  ? gfs2_reconfigure+0x3c0/0x3c0
[  216.561674][ T5646]  get_tree_bdev+0x178/0x280
[  216.566249][ T5646]  gfs2_get_tree+0x1c/0x90
[  216.570644][ T5646]  vfs_get_tree+0x18/0x70
[  216.574965][ T5646]  ? capable+0x2a/0x50
[  216.579111][ T5646]  path_mount+0x2c2/0xc60
[  216.583882][ T5646]  __x64_sys_mount+0xfe/0x140
[  216.588554][ T5646]  do_syscall_64+0x33/0x80
[  216.592964][ T5646]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  216.598940][ T5646] RIP: 0033:0x7f6ad1f9190a
[  216.603457][ T5646] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  216.623220][ T5646] RSP: 002b:00007f6ad1a01e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  216.631609][ T5646] RAX: ffffffffffffffda RBX: 00007f6ad1a01ef0 RCX: 00007f6ad1f9190a
[  216.639709][ T5646] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6ad1a01eb0
[  216.647664][ T5646] RBP: 0000200000000400 R08: 00007f6ad1a01ef0 R09: 0000000000000000
[  216.655614][ T5646] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  216.663564][ T5646] R13: 00007f6ad1a01eb0 R14: 00000000000125bb R15: 00002000000004c0
[  216.671522][ T5646]  </TASK>
[  216.674536][ T5642] CPU: 0 PID: 5642 Comm: syz.5.572 Not tainted syzkaller #0
[  216.674602][ T5646] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  216.681824][ T5642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  216.681826][ T5642] Call Trace:
[  216.681830][ T5642]  <TASK>
[  216.681831][ T5642]  dump_stack_lvl+0x41/0x5e
[  216.695103][ T5646] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  216.705268][ T5642]  sysfs_warn_dup.cold+0x17/0x24
[  216.705277][ T5642]  sysfs_create_dir_ns+0xaf/0xd0
[  216.732628][ T5642]  kobject_add_internal+0xc5/0x2d0
[  216.737749][ T5642]  kobject_init_and_add+0x71/0xa0
[  216.742768][ T5642]  ? lockdep_init_map_type+0x49/0x150
[  216.748366][ T5642]  gfs2_sys_fs_add+0xb4/0x180
[  216.753076][ T5642]  gfs2_fill_super+0x649/0xbe0
[  216.757845][ T5642]  ? vsnprintf+0x112/0x4d0
[  216.762262][ T5642]  ? get_tree_bdev+0xad/0x280
[  216.767018][ T5642]  ? gfs2_reconfigure+0x3c0/0x3c0
[  216.772209][ T5642]  ? snprintf+0x49/0x60
[  216.776470][ T5642]  ? gfs2_reconfigure+0x3c0/0x3c0
[  216.781502][ T5642]  get_tree_bdev+0x178/0x280
[  216.786205][ T5642]  gfs2_get_tree+0x1c/0x90
[  216.790650][ T5642]  vfs_get_tree+0x18/0x70
[  216.795029][ T5642]  ? capable+0x2a/0x50
[  216.799139][ T5642]  path_mount+0x2c2/0xc60
[  216.799421][ T5649] loop6: detected capacity change from 0 to 32768
[  216.803464][ T5642]  __x64_sys_mount+0xfe/0x140
[  216.803471][ T5642]  do_syscall_64+0x33/0x80
[  216.803478][ T5642]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  216.803483][ T5642] RIP: 0033:0x7fc06be4f90a
[  216.803488][ T5642] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  216.803491][ T5642] RSP: 002b:00007fc06b87de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  216.803496][ T5642] RAX: ffffffffffffffda RBX: 00007fc06b87def0 RCX: 00007fc06be4f90a
[  216.803498][ T5642] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc06b87deb0
[  216.803501][ T5642] RBP: 0000200000000400 R08: 00007fc06b87def0 R09: 0000000000000000
[  216.803503][ T5642] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  216.803505][ T5642] R13: 00007fc06b87deb0 R14: 00000000000125bb R15: 00002000000004c0
[  216.803508][ T5642]  </TASK>
[  216.803574][ T5642] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  216.889100][ T5650] loop8: detected capacity change from 0 to 32768
[  216.890382][ T5642] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  216.948887][ T5652] loop1: detected capacity change from 0 to 32768
[  216.982371][ T5652] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  216.982371][ T5650] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  216.989841][ T5652] CPU: 1 PID: 5652 Comm: syz.1.577 Not tainted syzkaller #0
[  216.989849][ T5652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  216.989851][ T5652] Call Trace:
[  216.989855][ T5652]  <TASK>
[  216.989856][ T5652]  dump_stack_lvl+0x41/0x5e
[  216.989866][ T5652]  sysfs_warn_dup.cold+0x17/0x24
[  217.030517][ T5652]  sysfs_create_dir_ns+0xaf/0xd0
[  217.035579][ T5652]  kobject_add_internal+0xc5/0x2d0
[  217.040684][ T5652]  kobject_init_and_add+0x71/0xa0
[  217.045693][ T5652]  ? lockdep_init_map_type+0x49/0x150
[  217.051060][ T5652]  gfs2_sys_fs_add+0xb4/0x180
[  217.055831][ T5652]  gfs2_fill_super+0x649/0xbe0
[  217.060659][ T5652]  ? vsnprintf+0x112/0x4d0
[  217.065331][ T5652]  ? get_tree_bdev+0xad/0x280
[  217.069988][ T5652]  ? gfs2_reconfigure+0x3c0/0x3c0
[  217.075011][ T5652]  ? snprintf+0x49/0x60
[  217.079147][ T5652]  ? gfs2_reconfigure+0x3c0/0x3c0
[  217.084156][ T5652]  get_tree_bdev+0x178/0x280
[  217.088730][ T5652]  gfs2_get_tree+0x1c/0x90
[  217.093217][ T5652]  vfs_get_tree+0x18/0x70
[  217.097640][ T5652]  ? capable+0x2a/0x50
[  217.101691][ T5652]  path_mount+0x2c2/0xc60
[  217.106000][ T5652]  __x64_sys_mount+0xfe/0x140
[  217.110653][ T5652]  do_syscall_64+0x33/0x80
[  217.115053][ T5652]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  217.120928][ T5652] RIP: 0033:0x7f6d86c9990a
[  217.125324][ T5652] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  217.144915][ T5652] RSP: 002b:00007f6d86709e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  217.153400][ T5652] RAX: ffffffffffffffda RBX: 00007f6d86709ef0 RCX: 00007f6d86c9990a
[  217.161381][ T5652] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6d86709eb0
[  217.169683][ T5652] RBP: 0000200000000400 R08: 00007f6d86709ef0 R09: 0000000000000000
[  217.177662][ T5652] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  217.185712][ T5652] R13: 00007f6d86709eb0 R14: 00000000000125bb R15: 00002000000004c0
[  217.193675][ T5652]  </TASK>
[  217.196688][ T5650] CPU: 0 PID: 5650 Comm: syz.8.576 Not tainted syzkaller #0
[  217.196762][ T5652] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  217.204077][ T5650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  217.204080][ T5650] Call Trace:
[  217.204084][ T5650]  <TASK>
[  217.204085][ T5650]  dump_stack_lvl+0x41/0x5e
[  217.217387][ T5652] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  217.227440][ T5650]  sysfs_warn_dup.cold+0x17/0x24
[  217.227450][ T5650]  sysfs_create_dir_ns+0xaf/0xd0
[  217.227457][ T5650]  kobject_add_internal+0xc5/0x2d0
[  217.227463][ T5650]  kobject_init_and_add+0x71/0xa0
[  217.227467][ T5650]  ? lockdep_init_map_type+0x49/0x150
[  217.270366][ T5650]  gfs2_sys_fs_add+0xb4/0x180
[  217.275312][ T5650]  gfs2_fill_super+0x649/0xbe0
[  217.280296][ T5650]  ? vsnprintf+0x112/0x4d0
[  217.284849][ T5650]  ? get_tree_bdev+0xad/0x280
[  217.289582][ T5650]  ? gfs2_reconfigure+0x3c0/0x3c0
[  217.294687][ T5650]  ? snprintf+0x49/0x60
[  217.298834][ T5650]  ? gfs2_reconfigure+0x3c0/0x3c0
[  217.303851][ T5650]  get_tree_bdev+0x178/0x280
[  217.308488][ T5650]  gfs2_get_tree+0x1c/0x90
[  217.312900][ T5650]  vfs_get_tree+0x18/0x70
[  217.317235][ T5650]  ? capable+0x2a/0x50
[  217.321401][ T5650]  path_mount+0x2c2/0xc60
[  217.325814][ T5650]  __x64_sys_mount+0xfe/0x140
[  217.330497][ T5650]  do_syscall_64+0x33/0x80
[  217.335048][ T5650]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  217.340936][ T5650] RIP: 0033:0x7f922dc3590a
[  217.345345][ T5650] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  217.347949][ T5654] loop5: detected capacity change from 0 to 32768
[  217.365041][ T5650] RSP: 002b:00007f922d6a5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  217.365049][ T5650] RAX: ffffffffffffffda RBX: 00007f922d6a5ef0 RCX: 00007f922dc3590a
[  217.365051][ T5650] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f922d6a5eb0
[  217.365054][ T5650] RBP: 0000200000000400 R08: 00007f922d6a5ef0 R09: 0000000000000000
[  217.365056][ T5650] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  217.365058][ T5650] R13: 00007f922d6a5eb0 R14: 00000000000125bb R15: 00002000000004c0
[  217.365061][ T5650]  </TASK>
[  217.365108][ T5650] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  217.436735][ T5650] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  217.482319][ T5654] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  217.489713][ T5654] CPU: 1 PID: 5654 Comm: syz.5.578 Not tainted syzkaller #0
[  217.497075][ T5654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  217.507125][ T5654] Call Trace:
[  217.510409][ T5654]  <TASK>
[  217.513433][ T5654]  dump_stack_lvl+0x41/0x5e
[  217.517932][ T5654]  sysfs_warn_dup.cold+0x17/0x24
[  217.522868][ T5654]  sysfs_create_dir_ns+0xaf/0xd0
[  217.527800][ T5654]  kobject_add_internal+0xc5/0x2d0
[  217.532909][ T5654]  kobject_init_and_add+0x71/0xa0
[  217.537939][ T5654]  ? lockdep_init_map_type+0x49/0x150
[  217.543318][ T5654]  gfs2_sys_fs_add+0xb4/0x180
[  217.548118][ T5654]  gfs2_fill_super+0x649/0xbe0
[  217.552991][ T5654]  ? vsnprintf+0x112/0x4d0
[  217.557409][ T5654]  ? get_tree_bdev+0xad/0x280
[  217.560929][ T5656] loop3: detected capacity change from 0 to 32768
[  217.562092][ T5654]  ? gfs2_reconfigure+0x3c0/0x3c0
[  217.562099][ T5654]  ? snprintf+0x49/0x60
[  217.562105][ T5654]  ? gfs2_reconfigure+0x3c0/0x3c0
[  217.562108][ T5654]  get_tree_bdev+0x178/0x280
[  217.562114][ T5654]  gfs2_get_tree+0x1c/0x90
[  217.568861][ T5649] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  217.573528][ T5654]  vfs_get_tree+0x18/0x70
[  217.573534][ T5654]  ? capable+0x2a/0x50
[  217.573539][ T5654]  path_mount+0x2c2/0xc60
[  217.573544][ T5654]  __x64_sys_mount+0xfe/0x140
[  217.616791][ T5654]  do_syscall_64+0x33/0x80
[  217.621276][ T5654]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  217.627157][ T5654] RIP: 0033:0x7fc06be4f90a
[  217.631553][ T5654] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  217.651249][ T5654] RSP: 002b:00007fc06b8bfe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  217.659643][ T5654] RAX: ffffffffffffffda RBX: 00007fc06b8bfef0 RCX: 00007fc06be4f90a
[  217.667701][ T5654] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc06b8bfeb0
[  217.675675][ T5654] RBP: 0000200000000400 R08: 00007fc06b8bfef0 R09: 0000000000000000
[  217.683633][ T5654] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  217.691674][ T5654] R13: 00007fc06b8bfeb0 R14: 00000000000125bb R15: 00002000000004c0
[  217.699720][ T5654]  </TASK>
[  217.702731][ T5649] CPU: 0 PID: 5649 Comm: syz.6.575 Not tainted syzkaller #0
[  217.702852][ T5654] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  217.710013][ T5649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  217.723130][ T5654] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  217.733139][ T5649] Call Trace:
[  217.733143][ T5649]  <TASK>
[  217.733145][ T5649]  dump_stack_lvl+0x41/0x5e
[  217.750452][ T5649]  sysfs_warn_dup.cold+0x17/0x24
[  217.755475][ T5649]  sysfs_create_dir_ns+0xaf/0xd0
[  217.760407][ T5649]  kobject_add_internal+0xc5/0x2d0
[  217.765519][ T5649]  kobject_init_and_add+0x71/0xa0
[  217.770541][ T5649]  ? lockdep_init_map_type+0x49/0x150
[  217.775920][ T5649]  gfs2_sys_fs_add+0xb4/0x180
[  217.780590][ T5649]  gfs2_fill_super+0x649/0xbe0
[  217.785351][ T5649]  ? vsnprintf+0x112/0x4d0
[  217.789779][ T5649]  ? get_tree_bdev+0xad/0x280
[  217.794533][ T5649]  ? gfs2_reconfigure+0x3c0/0x3c0
[  217.799558][ T5649]  ? snprintf+0x49/0x60
[  217.803717][ T5649]  ? gfs2_reconfigure+0x3c0/0x3c0
[  217.808731][ T5649]  get_tree_bdev+0x178/0x280
[  217.813419][ T5649]  gfs2_get_tree+0x1c/0x90
[  217.817911][ T5649]  vfs_get_tree+0x18/0x70
[  217.822317][ T5649]  ? capable+0x2a/0x50
[  217.826387][ T5649]  path_mount+0x2c2/0xc60
[  217.830715][ T5649]  __x64_sys_mount+0xfe/0x140
[  217.835428][ T5649]  do_syscall_64+0x33/0x80
[  217.839955][ T5649]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  217.845848][ T5649] RIP: 0033:0x7f175899190a
[  217.850316][ T5649] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  217.860752][ T5658] loop1: detected capacity change from 0 to 32768
[  217.870184][ T5649] RSP: 002b:00007f1758401e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  217.870194][ T5649] RAX: ffffffffffffffda RBX: 00007f1758401ef0 RCX: 00007f175899190a
[  217.870196][ T5649] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f1758401eb0
[  217.870198][ T5649] RBP: 0000200000000400 R08: 00007f1758401ef0 R09: 0000000000000000
[  217.870201][ T5649] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  217.870203][ T5649] R13: 00007f1758401eb0 R14: 00000000000125bb R15: 00002000000004c0
[  217.870206][ T5649]  </TASK>
[  217.870275][ T5649] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  217.941084][ T5649] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  217.963089][ T5656] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  217.965889][ T5658] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  217.970888][ T5656] CPU: 1 PID: 5656 Comm: syz.3.579 Not tainted syzkaller #0
[  217.985570][ T5656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  217.995885][ T5656] Call Trace:
[  217.999169][ T5656]  <TASK>
[  218.002092][ T5656]  dump_stack_lvl+0x41/0x5e
[  218.006580][ T5656]  sysfs_warn_dup.cold+0x17/0x24
[  218.011517][ T5656]  sysfs_create_dir_ns+0xaf/0xd0
[  218.016921][ T5656]  kobject_add_internal+0xc5/0x2d0
[  218.022027][ T5656]  kobject_init_and_add+0x71/0xa0
[  218.027041][ T5656]  ? lockdep_init_map_type+0x49/0x150
[  218.032401][ T5656]  gfs2_sys_fs_add+0xb4/0x180
[  218.037186][ T5656]  gfs2_fill_super+0x649/0xbe0
[  218.041931][ T5656]  ? vsnprintf+0x112/0x4d0
[  218.046429][ T5656]  ? get_tree_bdev+0xad/0x280
[  218.051087][ T5656]  ? gfs2_reconfigure+0x3c0/0x3c0
[  218.056092][ T5656]  ? snprintf+0x49/0x60
[  218.060343][ T5656]  ? gfs2_reconfigure+0x3c0/0x3c0
[  218.065430][ T5656]  get_tree_bdev+0x178/0x280
[  218.069999][ T5656]  gfs2_get_tree+0x1c/0x90
[  218.074395][ T5656]  vfs_get_tree+0x18/0x70
[  218.078702][ T5656]  ? capable+0x2a/0x50
[  218.082751][ T5656]  path_mount+0x2c2/0xc60
[  218.087154][ T5656]  __x64_sys_mount+0xfe/0x140
[  218.091809][ T5656]  do_syscall_64+0x33/0x80
[  218.096220][ T5656]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  218.102107][ T5656] RIP: 0033:0x7f6ad1f9190a
[  218.106514][ T5656] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  218.126454][ T5656] RSP: 002b:00007f6ad1a01e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.134844][ T5656] RAX: ffffffffffffffda RBX: 00007f6ad1a01ef0 RCX: 00007f6ad1f9190a
[  218.142795][ T5656] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6ad1a01eb0
[  218.150764][ T5656] RBP: 0000200000000400 R08: 00007f6ad1a01ef0 R09: 0000000000000000
[  218.158934][ T5656] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  218.167093][ T5656] R13: 00007f6ad1a01eb0 R14: 00000000000125bb R15: 00002000000004c0
[  218.175048][ T5656]  </TASK>
[  218.178077][ T5658] CPU: 0 PID: 5658 Comm: syz.1.580 Not tainted syzkaller #0
[  218.178113][ T5656] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.185376][ T5658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  218.185381][ T5658] Call Trace:
[  218.185385][ T5658]  <TASK>
[  218.185387][ T5658]  dump_stack_lvl+0x41/0x5e
[  218.185396][ T5658]  sysfs_warn_dup.cold+0x17/0x24
[  218.185403][ T5658]  sysfs_create_dir_ns+0xaf/0xd0
[  218.198708][ T5656] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  218.208933][ T5658]  kobject_add_internal+0xc5/0x2d0
[  218.208942][ T5658]  kobject_init_and_add+0x71/0xa0
[  218.246568][ T5658]  ? lockdep_init_map_type+0x49/0x150
[  218.251963][ T5658]  gfs2_sys_fs_add+0xb4/0x180
[  218.256637][ T5658]  gfs2_fill_super+0x649/0xbe0
[  218.261395][ T5658]  ? vsnprintf+0x112/0x4d0
[  218.265805][ T5658]  ? get_tree_bdev+0xad/0x280
[  218.270476][ T5658]  ? gfs2_reconfigure+0x3c0/0x3c0
[  218.275492][ T5658]  ? snprintf+0x49/0x60
[  218.279649][ T5658]  ? gfs2_reconfigure+0x3c0/0x3c0
[  218.284684][ T5658]  get_tree_bdev+0x178/0x280
[  218.289273][ T5658]  gfs2_get_tree+0x1c/0x90
[  218.293786][ T5658]  vfs_get_tree+0x18/0x70
[  218.298115][ T5658]  ? capable+0x2a/0x50
[  218.302322][ T5658]  path_mount+0x2c2/0xc60
[  218.306649][ T5658]  __x64_sys_mount+0xfe/0x140
[  218.309448][ T5660] loop8: detected capacity change from 0 to 32768
[  218.311345][ T5658]  do_syscall_64+0x33/0x80
[  218.322246][ T5658]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  218.328576][ T5658] RIP: 0033:0x7f6d86c9990a
[  218.332976][ T5658] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  218.352602][ T5658] RSP: 002b:00007f6d86709e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.360992][ T5658] RAX: ffffffffffffffda RBX: 00007f6d86709ef0 RCX: 00007f6d86c9990a
[  218.368965][ T5658] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6d86709eb0
[  218.376913][ T5658] RBP: 0000200000000400 R08: 00007f6d86709ef0 R09: 0000000000000000
[  218.384953][ T5658] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  218.392920][ T5658] R13: 00007f6d86709eb0 R14: 00000000000125bb R15: 00002000000004c0
[  218.400875][ T5658]  </TASK>
[  218.403916][ T5658] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.417007][ T5658] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  218.461324][ T5660] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  218.468935][ T5660] CPU: 1 PID: 5660 Comm: syz.8.581 Not tainted syzkaller #0
[  218.476259][ T5660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  218.486486][ T5660] Call Trace:
[  218.489764][ T5660]  <TASK>
[  218.492822][ T5660]  dump_stack_lvl+0x41/0x5e
[  218.497330][ T5660]  sysfs_warn_dup.cold+0x17/0x24
[  218.502436][ T5660]  sysfs_create_dir_ns+0xaf/0xd0
[  218.507373][ T5660]  kobject_add_internal+0xc5/0x2d0
[  218.512588][ T5660]  kobject_init_and_add+0x71/0xa0
[  218.517611][ T5660]  ? lockdep_init_map_type+0x49/0x150
[  218.522992][ T5660]  gfs2_sys_fs_add+0xb4/0x180
[  218.527814][ T5660]  gfs2_fill_super+0x649/0xbe0
[  218.532573][ T5660]  ? vsnprintf+0x112/0x4d0
[  218.536987][ T5660]  ? get_tree_bdev+0xad/0x280
[  218.541655][ T5660]  ? gfs2_reconfigure+0x3c0/0x3c0
[  218.546684][ T5660]  ? snprintf+0x49/0x60
[  218.550846][ T5660]  ? gfs2_reconfigure+0x3c0/0x3c0
[  218.555882][ T5660]  get_tree_bdev+0x178/0x280
[  218.560647][ T5660]  gfs2_get_tree+0x1c/0x90
[  218.565162][ T5660]  vfs_get_tree+0x18/0x70
[  218.569579][ T5660]  ? capable+0x2a/0x50
[  218.573653][ T5660]  path_mount+0x2c2/0xc60
[  218.577992][ T5660]  __x64_sys_mount+0xfe/0x140
[  218.582675][ T5660]  do_syscall_64+0x33/0x80
[  218.587122][ T5660]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  218.593534][ T5660] RIP: 0033:0x7f922dc3590a
[  218.598045][ T5660] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  218.600875][ T5664] loop5: detected capacity change from 0 to 32768
[  218.617653][ T5660] RSP: 002b:00007f922d6a5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.617660][ T5660] RAX: ffffffffffffffda RBX: 00007f922d6a5ef0 RCX: 00007f922dc3590a
[  218.617662][ T5660] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f922d6a5eb0
[  218.617665][ T5660] RBP: 0000200000000400 R08: 00007f922d6a5ef0 R09: 0000000000000000
[  218.617667][ T5660] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  218.617669][ T5660] R13: 00007f922d6a5eb0 R14: 00000000000125bb R15: 00002000000004c0
[  218.617673][ T5660]  </TASK>
[  218.617761][ T5660] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.688940][ T5660] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  218.702362][ T5664] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  218.709933][ T5664] CPU: 0 PID: 5664 Comm: syz.5.583 Not tainted syzkaller #0
[  218.717343][ T5664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  218.727485][ T5664] Call Trace:
[  218.730770][ T5664]  <TASK>
[  218.733705][ T5664]  dump_stack_lvl+0x41/0x5e
[  218.738387][ T5664]  sysfs_warn_dup.cold+0x17/0x24
[  218.743449][ T5664]  sysfs_create_dir_ns+0xaf/0xd0
[  218.748403][ T5664]  kobject_add_internal+0xc5/0x2d0
[  218.753541][ T5664]  kobject_init_and_add+0x71/0xa0
[  218.758767][ T5664]  ? lockdep_init_map_type+0x49/0x150
[  218.764268][ T5664]  gfs2_sys_fs_add+0xb4/0x180
[  218.768950][ T5664]  gfs2_fill_super+0x649/0xbe0
[  218.773803][ T5664]  ? vsnprintf+0x112/0x4d0
[  218.778375][ T5664]  ? get_tree_bdev+0xad/0x280
[  218.783070][ T5664]  ? gfs2_reconfigure+0x3c0/0x3c0
[  218.788124][ T5664]  ? snprintf+0x49/0x60
[  218.792273][ T5664]  ? gfs2_reconfigure+0x3c0/0x3c0
[  218.797283][ T5664]  get_tree_bdev+0x178/0x280
[  218.801855][ T5664]  gfs2_get_tree+0x1c/0x90
[  218.806250][ T5664]  vfs_get_tree+0x18/0x70
[  218.810597][ T5664]  ? capable+0x2a/0x50
[  218.814732][ T5664]  path_mount+0x2c2/0xc60
[  218.819095][ T5664]  __x64_sys_mount+0xfe/0x140
[  218.823750][ T5664]  do_syscall_64+0x33/0x80
[  218.828323][ T5664]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  218.834318][ T5664] RIP: 0033:0x7fc06be4f90a
[  218.838839][ T5664] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  218.858608][ T5664] RSP: 002b:00007fc06b8bfe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.867010][ T5664] RAX: ffffffffffffffda RBX: 00007fc06b8bfef0 RCX: 00007fc06be4f90a
[  218.874968][ T5664] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc06b8bfeb0
[  218.883218][ T5664] RBP: 0000200000000400 R08: 00007fc06b8bfef0 R09: 0000000000000000
[  218.891267][ T5664] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  218.899333][ T5664] R13: 00007fc06b8bfeb0 R14: 00000000000125bb R15: 00002000000004c0
[  218.907358][ T5664]  </TASK>
[  218.910574][ T5664] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.923866][ T5664] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  218.930704][ T5665] loop6: detected capacity change from 0 to 32768
[  219.016780][ T5667] loop3: detected capacity change from 0 to 32768
[  219.024639][ T5665] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  219.032050][ T5665] CPU: 1 PID: 5665 Comm: syz.6.582 Not tainted syzkaller #0
[  219.039439][ T5665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  219.049576][ T5665] Call Trace:
[  219.052852][ T5665]  <TASK>
[  219.055777][ T5665]  dump_stack_lvl+0x41/0x5e
[  219.060302][ T5665]  sysfs_warn_dup.cold+0x17/0x24
[  219.065361][ T5665]  sysfs_create_dir_ns+0xaf/0xd0
[  219.070398][ T5665]  kobject_add_internal+0xc5/0x2d0
[  219.075514][ T5665]  kobject_init_and_add+0x71/0xa0
[  219.080622][ T5665]  ? lockdep_init_map_type+0x49/0x150
[  219.085994][ T5665]  gfs2_sys_fs_add+0xb4/0x180
[  219.090672][ T5665]  gfs2_fill_super+0x649/0xbe0
[  219.095565][ T5665]  ? vsnprintf+0x112/0x4d0
[  219.100068][ T5665]  ? get_tree_bdev+0xad/0x280
[  219.104753][ T5665]  ? gfs2_reconfigure+0x3c0/0x3c0
[  219.109779][ T5665]  ? snprintf+0x49/0x60
[  219.113938][ T5665]  ? gfs2_reconfigure+0x3c0/0x3c0
[  219.118962][ T5665]  get_tree_bdev+0x178/0x280
[  219.122903][ T5669] loop1: detected capacity change from 0 to 32768
[  219.123651][ T5665]  gfs2_get_tree+0x1c/0x90
[  219.134478][ T5665]  vfs_get_tree+0x18/0x70
[  219.138807][ T5665]  ? capable+0x2a/0x50
[  219.142873][ T5671] loop5: detected capacity change from 0 to 32768
[  219.142882][ T5665]  path_mount+0x2c2/0xc60
[  219.150617][ T5667] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  219.153684][ T5665]  __x64_sys_mount+0xfe/0x140
[  219.153691][ T5665]  do_syscall_64+0x33/0x80
[  219.153699][ T5665]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  219.176090][ T5665] RIP: 0033:0x7f175899190a
[  219.180489][ T5665] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  219.200213][ T5665] RSP: 002b:00007f17583e0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  219.208717][ T5665] RAX: ffffffffffffffda RBX: 00007f17583e0ef0 RCX: 00007f175899190a
[  219.216953][ T5665] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f17583e0eb0
[  219.225173][ T5665] RBP: 0000200000000400 R08: 00007f17583e0ef0 R09: 0000000000000000
[  219.233212][ T5665] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  219.241277][ T5665] R13: 00007f17583e0eb0 R14: 00000000000125bb R15: 00002000000004c0
[  219.249231][ T5665]  </TASK>
[  219.252240][ T5667] CPU: 0 PID: 5667 Comm: syz.3.584 Not tainted syzkaller #0
[  219.252289][ T5665] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  219.259545][ T5667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  219.272911][ T5665] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  219.282928][ T5667] Call Trace:
[  219.282931][ T5667]  <TASK>
[  219.282933][ T5667]  dump_stack_lvl+0x41/0x5e
[  219.282941][ T5667]  sysfs_warn_dup.cold+0x17/0x24
[  219.305183][ T5667]  sysfs_create_dir_ns+0xaf/0xd0
[  219.310121][ T5667]  kobject_add_internal+0xc5/0x2d0
[  219.315231][ T5667]  kobject_init_and_add+0x71/0xa0
[  219.318044][ T5669] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  219.320250][ T5667]  ? lockdep_init_map_type+0x49/0x150
[  219.320260][ T5667]  gfs2_sys_fs_add+0xb4/0x180
[  219.320268][ T5667]  gfs2_fill_super+0x649/0xbe0
[  219.342561][ T5667]  ? vsnprintf+0x112/0x4d0
[  219.346959][ T5667]  ? get_tree_bdev+0xad/0x280
[  219.351621][ T5667]  ? gfs2_reconfigure+0x3c0/0x3c0
[  219.356623][ T5667]  ? snprintf+0x49/0x60
[  219.360761][ T5667]  ? gfs2_reconfigure+0x3c0/0x3c0
[  219.365972][ T5667]  get_tree_bdev+0x178/0x280
[  219.370545][ T5667]  gfs2_get_tree+0x1c/0x90
[  219.375041][ T5667]  vfs_get_tree+0x18/0x70
[  219.379349][ T5667]  ? capable+0x2a/0x50
[  219.383395][ T5667]  path_mount+0x2c2/0xc60
[  219.387711][ T5667]  __x64_sys_mount+0xfe/0x140
[  219.392365][ T5667]  do_syscall_64+0x33/0x80
[  219.396764][ T5667]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  219.402634][ T5667] RIP: 0033:0x7f6ad1f9190a
[  219.407028][ T5667] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  219.426619][ T5667] RSP: 002b:00007f6ad1a01e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  219.435092][ T5667] RAX: ffffffffffffffda RBX: 00007f6ad1a01ef0 RCX: 00007f6ad1f9190a
[  219.443146][ T5667] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6ad1a01eb0
[  219.451099][ T5667] RBP: 0000200000000400 R08: 00007f6ad1a01ef0 R09: 0000000000000000
[  219.459049][ T5667] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  219.466999][ T5667] R13: 00007f6ad1a01eb0 R14: 00000000000125bb R15: 00002000000004c0
[  219.474954][ T5667]  </TASK>
[  219.478046][ T5669] CPU: 1 PID: 5669 Comm: syz.1.586 Not tainted syzkaller #0
[  219.478109][ T5667] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  219.485327][ T5669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  219.485330][ T5669] Call Trace:
[  219.485333][ T5669]  <TASK>
[  219.485334][ T5669]  dump_stack_lvl+0x41/0x5e
[  219.498425][ T5667] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  219.508453][ T5669]  sysfs_warn_dup.cold+0x17/0x24
[  219.508460][ T5669]  sysfs_create_dir_ns+0xaf/0xd0
[  219.513273][ T5671] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  219.514663][ T5669]  kobject_add_internal+0xc5/0x2d0
[  219.548044][ T5669]  kobject_init_and_add+0x71/0xa0
[  219.553059][ T5669]  ? lockdep_init_map_type+0x49/0x150
[  219.558519][ T5669]  gfs2_sys_fs_add+0xb4/0x180
[  219.563262][ T5669]  gfs2_fill_super+0x649/0xbe0
[  219.568016][ T5669]  ? vsnprintf+0x112/0x4d0
[  219.572706][ T5669]  ? get_tree_bdev+0xad/0x280
[  219.577467][ T5669]  ? gfs2_reconfigure+0x3c0/0x3c0
[  219.582503][ T5669]  ? snprintf+0x49/0x60
[  219.586654][ T5669]  ? gfs2_reconfigure+0x3c0/0x3c0
[  219.591658][ T5669]  get_tree_bdev+0x178/0x280
[  219.596233][ T5669]  gfs2_get_tree+0x1c/0x90
[  219.600715][ T5669]  vfs_get_tree+0x18/0x70
[  219.605033][ T5669]  ? capable+0x2a/0x50
[  219.609085][ T5669]  path_mount+0x2c2/0xc60
[  219.613653][ T5669]  __x64_sys_mount+0xfe/0x140
[  219.618311][ T5669]  do_syscall_64+0x33/0x80
[  219.622795][ T5669]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  219.628764][ T5669] RIP: 0033:0x7f6d86c9990a
[  219.633269][ T5669] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  219.652851][ T5669] RSP: 002b:00007f6d86709e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  219.661355][ T5669] RAX: ffffffffffffffda RBX: 00007f6d86709ef0 RCX: 00007f6d86c9990a
[  219.669399][ T5669] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6d86709eb0
[  219.677358][ T5669] RBP: 0000200000000400 R08: 00007f6d86709ef0 R09: 0000000000000000
[  219.685310][ T5669] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  219.693262][ T5669] R13: 00007f6d86709eb0 R14: 00000000000125bb R15: 00002000000004c0
[  219.701222][ T5669]  </TASK>
[  219.704227][ T5671] CPU: 0 PID: 5671 Comm: syz.5.587 Not tainted syzkaller #0
[  219.704278][ T5669] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  219.711697][ T5671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  219.724811][ T5669] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  219.735010][ T5671] Call Trace:
[  219.735016][ T5671]  <TASK>
[  219.735018][ T5671]  dump_stack_lvl+0x41/0x5e
[  219.735028][ T5671]  sysfs_warn_dup.cold+0x17/0x24
[  219.735034][ T5671]  sysfs_create_dir_ns+0xaf/0xd0
[  219.762534][ T5671]  kobject_add_internal+0xc5/0x2d0
[  219.767633][ T5671]  kobject_init_and_add+0x71/0xa0
[  219.772638][ T5671]  ? lockdep_init_map_type+0x49/0x150
[  219.777994][ T5671]  gfs2_sys_fs_add+0xb4/0x180
[  219.782658][ T5671]  gfs2_fill_super+0x649/0xbe0
[  219.787485][ T5671]  ? vsnprintf+0x112/0x4d0
[  219.792129][ T5671]  ? get_tree_bdev+0xad/0x280
[  219.796814][ T5671]  ? gfs2_reconfigure+0x3c0/0x3c0
[  219.801963][ T5671]  ? snprintf+0x49/0x60
[  219.806146][ T5671]  ? gfs2_reconfigure+0x3c0/0x3c0
[  219.811157][ T5671]  get_tree_bdev+0x178/0x280
[  219.815740][ T5671]  gfs2_get_tree+0x1c/0x90
[  219.820147][ T5671]  vfs_get_tree+0x18/0x70
[  219.824454][ T5671]  ? capable+0x2a/0x50
[  219.828718][ T5671]  path_mount+0x2c2/0xc60
[  219.833204][ T5671]  __x64_sys_mount+0xfe/0x140
[  219.838089][ T5671]  do_syscall_64+0x33/0x80
[  219.842523][ T5671]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  219.848399][ T5671] RIP: 0033:0x7fc06be4f90a
[  219.853041][ T5671] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  219.872890][ T5671] RSP: 002b:00007fc06b8bfe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  219.881387][ T5671] RAX: ffffffffffffffda RBX: 00007fc06b8bfef0 RCX: 00007fc06be4f90a
[  219.889763][ T5671] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc06b8bfeb0
[  219.898431][ T5671] RBP: 0000200000000400 R08: 00007fc06b8bfef0 R09: 0000000000000000
[  219.906388][ T5671] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  219.914357][ T5671] R13: 00007fc06b8bfeb0 R14: 00000000000125bb R15: 00002000000004c0
[  219.922419][ T5671]  </TASK>
[  219.925479][ T5671] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  219.938679][ T5671] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  220.075154][ T5675] loop6: detected capacity change from 0 to 32768
[  220.084349][ T5675] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  220.091756][ T5675] CPU: 0 PID: 5675 Comm: syz.6.588 Not tainted syzkaller #0
[  220.099029][ T5675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  220.109077][ T5675] Call Trace:
[  220.112357][ T5675]  <TASK>
[  220.115292][ T5675]  dump_stack_lvl+0x41/0x5e
[  220.119904][ T5675]  sysfs_warn_dup.cold+0x17/0x24
[  220.124841][ T5675]  sysfs_create_dir_ns+0xaf/0xd0
[  220.129810][ T5675]  kobject_add_internal+0xc5/0x2d0
[  220.134932][ T5675]  kobject_init_and_add+0x71/0xa0
[  220.139954][ T5675]  ? lockdep_init_map_type+0x49/0x150
[  220.145406][ T5675]  gfs2_sys_fs_add+0xb4/0x180
[  220.150162][ T5675]  gfs2_fill_super+0x649/0xbe0
[  220.154980][ T5675]  ? vsnprintf+0x112/0x4d0
[  220.159500][ T5675]  ? get_tree_bdev+0xad/0x280
[  220.164173][ T5675]  ? gfs2_reconfigure+0x3c0/0x3c0
[  220.169196][ T5675]  ? snprintf+0x49/0x60
[  220.173432][ T5675]  ? gfs2_reconfigure+0x3c0/0x3c0
[  220.178449][ T5675]  get_tree_bdev+0x178/0x280
[  220.183033][ T5675]  gfs2_get_tree+0x1c/0x90
[  220.184832][ T5673] loop8: detected capacity change from 0 to 32768
[  220.187482][ T5675]  vfs_get_tree+0x18/0x70
[  220.198276][ T5675]  ? capable+0x2a/0x50
[  220.202630][ T5675]  path_mount+0x2c2/0xc60
[  220.206949][ T5675]  __x64_sys_mount+0xfe/0x140
[  220.211627][ T5675]  do_syscall_64+0x33/0x80
[  220.216035][ T5675]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  220.222264][ T5675] RIP: 0033:0x7f175899190a
[  220.226678][ T5675] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  220.246404][ T5675] RSP: 002b:00007f1758401e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.254934][ T5675] RAX: ffffffffffffffda RBX: 00007f1758401ef0 RCX: 00007f175899190a
[  220.262911][ T5675] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f1758401eb0
[  220.270994][ T5675] RBP: 0000200000000400 R08: 00007f1758401ef0 R09: 0000000000000000
[  220.278969][ T5675] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  220.286948][ T5675] R13: 00007f1758401eb0 R14: 00000000000125bb R15: 00002000000004c0
[  220.294931][ T5675]  </TASK>
[  220.295170][ T5679] loop1: detected capacity change from 0 to 32768
[  220.298116][ T5675] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  220.313954][ T5677] loop3: detected capacity change from 0 to 32768
[  220.317643][ T5675] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  220.362212][ T5673] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  220.369702][ T5673] CPU: 0 PID: 5673 Comm: syz.8.585 Not tainted syzkaller #0
[  220.376989][ T5673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  220.387045][ T5673] Call Trace:
[  220.390422][ T5673]  <TASK>
[  220.393355][ T5673]  dump_stack_lvl+0x41/0x5e
[  220.397869][ T5673]  sysfs_warn_dup.cold+0x17/0x24
[  220.400076][ T5679] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  220.402921][ T5673]  sysfs_create_dir_ns+0xaf/0xd0
[  220.402932][ T5673]  kobject_add_internal+0xc5/0x2d0
[  220.402939][ T5673]  kobject_init_and_add+0x71/0xa0
[  220.402943][ T5673]  ? lockdep_init_map_type+0x49/0x150
[  220.402950][ T5673]  gfs2_sys_fs_add+0xb4/0x180
[  220.402957][ T5673]  gfs2_fill_super+0x649/0xbe0
[  220.440376][ T5673]  ? vsnprintf+0x112/0x4d0
[  220.444806][ T5673]  ? get_tree_bdev+0xad/0x280
[  220.449663][ T5673]  ? gfs2_reconfigure+0x3c0/0x3c0
[  220.454664][ T5673]  ? snprintf+0x49/0x60
[  220.458801][ T5673]  ? gfs2_reconfigure+0x3c0/0x3c0
[  220.463804][ T5673]  get_tree_bdev+0x178/0x280
[  220.468378][ T5673]  gfs2_get_tree+0x1c/0x90
[  220.472785][ T5673]  vfs_get_tree+0x18/0x70
[  220.477109][ T5673]  ? capable+0x2a/0x50
[  220.481159][ T5673]  path_mount+0x2c2/0xc60
[  220.485472][ T5673]  __x64_sys_mount+0xfe/0x140
[  220.490141][ T5673]  do_syscall_64+0x33/0x80
[  220.494544][ T5673]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  220.500421][ T5673] RIP: 0033:0x7f922dc3590a
[  220.504926][ T5673] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  220.524525][ T5673] RSP: 002b:00007f922d6a5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.532918][ T5673] RAX: ffffffffffffffda RBX: 00007f922d6a5ef0 RCX: 00007f922dc3590a
[  220.540894][ T5673] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f922d6a5eb0
[  220.549116][ T5673] RBP: 0000200000000400 R08: 00007f922d6a5ef0 R09: 0000000000000000
[  220.557243][ T5673] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  220.565197][ T5673] R13: 00007f922d6a5eb0 R14: 00000000000125bb R15: 00002000000004c0
[  220.573244][ T5673]  </TASK>
[  220.576268][ T5679] CPU: 1 PID: 5679 Comm: syz.1.590 Not tainted syzkaller #0
[  220.576352][ T5673] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  220.583640][ T5679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  220.583643][ T5679] Call Trace:
[  220.583647][ T5679]  <TASK>
[  220.583649][ T5679]  dump_stack_lvl+0x41/0x5e
[  220.596741][ T5673] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  220.606811][ T5679]  sysfs_warn_dup.cold+0x17/0x24
[  220.620536][ T5681] loop5: detected capacity change from 0 to 32768
[  220.624222][ T5679]  sysfs_create_dir_ns+0xaf/0xd0
[  220.624233][ T5679]  kobject_add_internal+0xc5/0x2d0
[  220.624241][ T5679]  kobject_init_and_add+0x71/0xa0
[  220.624244][ T5679]  ? lockdep_init_map_type+0x49/0x150
[  220.624251][ T5679]  gfs2_sys_fs_add+0xb4/0x180
[  220.624257][ T5679]  gfs2_fill_super+0x649/0xbe0
[  220.624261][ T5679]  ? vsnprintf+0x112/0x4d0
[  220.630341][ T5677] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  220.635620][ T5679]  ? get_tree_bdev+0xad/0x280
[  220.635629][ T5679]  ? gfs2_reconfigure+0x3c0/0x3c0
[  220.635633][ T5679]  ? snprintf+0x49/0x60
[  220.635638][ T5679]  ? gfs2_reconfigure+0x3c0/0x3c0
[  220.635641][ T5679]  get_tree_bdev+0x178/0x280
[  220.635644][ T5679]  gfs2_get_tree+0x1c/0x90
[  220.705597][ T5679]  vfs_get_tree+0x18/0x70
[  220.709912][ T5679]  ? capable+0x2a/0x50
[  220.714056][ T5679]  path_mount+0x2c2/0xc60
[  220.718388][ T5679]  __x64_sys_mount+0xfe/0x140
[  220.723046][ T5679]  do_syscall_64+0x33/0x80
[  220.727637][ T5679]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  220.733685][ T5679] RIP: 0033:0x7f6d86c9990a
[  220.738180][ T5679] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  220.758102][ T5679] RSP: 002b:00007f6d86709e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.766497][ T5679] RAX: ffffffffffffffda RBX: 00007f6d86709ef0 RCX: 00007f6d86c9990a
[  220.774629][ T5679] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6d86709eb0
[  220.783107][ T5679] RBP: 0000200000000400 R08: 00007f6d86709ef0 R09: 0000000000000000
[  220.791407][ T5679] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  220.799466][ T5679] R13: 00007f6d86709eb0 R14: 00000000000125bb R15: 00002000000004c0
[  220.807767][ T5679]  </TASK>
[  220.810904][ T5677] CPU: 0 PID: 5677 Comm: syz.3.589 Not tainted syzkaller #0
[  220.810999][ T5679] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  220.818185][ T5677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  220.818189][ T5677] Call Trace:
[  220.818193][ T5677]  <TASK>
[  220.818194][ T5677]  dump_stack_lvl+0x41/0x5e
[  220.818204][ T5677]  sysfs_warn_dup.cold+0x17/0x24
[  220.831383][ T5679] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  220.841605][ T5677]  sysfs_create_dir_ns+0xaf/0xd0
[  220.841616][ T5677]  kobject_add_internal+0xc5/0x2d0
[  220.841623][ T5677]  kobject_init_and_add+0x71/0xa0
[  220.841627][ T5677]  ? lockdep_init_map_type+0x49/0x150
[  220.853771][ T5681] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  220.857471][ T5677]  gfs2_sys_fs_add+0xb4/0x180
[  220.897105][ T5677]  gfs2_fill_super+0x649/0xbe0
[  220.901944][ T5677]  ? vsnprintf+0x112/0x4d0
[  220.906349][ T5677]  ? get_tree_bdev+0xad/0x280
[  220.911147][ T5677]  ? gfs2_reconfigure+0x3c0/0x3c0
[  220.916253][ T5677]  ? snprintf+0x49/0x60
[  220.920392][ T5677]  ? gfs2_reconfigure+0x3c0/0x3c0
[  220.925491][ T5677]  get_tree_bdev+0x178/0x280
[  220.930069][ T5677]  gfs2_get_tree+0x1c/0x90
[  220.934465][ T5677]  vfs_get_tree+0x18/0x70
[  220.938776][ T5677]  ? capable+0x2a/0x50
[  220.942885][ T5677]  path_mount+0x2c2/0xc60
[  220.947288][ T5677]  __x64_sys_mount+0xfe/0x140
[  220.951954][ T5677]  do_syscall_64+0x33/0x80
[  220.956441][ T5677]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  220.962400][ T5677] RIP: 0033:0x7f6ad1f9190a
[  220.966801][ T5677] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  220.986388][ T5677] RSP: 002b:00007f6ad1a01e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.994865][ T5677] RAX: ffffffffffffffda RBX: 00007f6ad1a01ef0 RCX: 00007f6ad1f9190a
[  221.003063][ T5677] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6ad1a01eb0
[  221.011021][ T5677] RBP: 0000200000000400 R08: 00007f6ad1a01ef0 R09: 0000000000000000
[  221.019188][ T5677] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  221.027142][ T5677] R13: 00007f6ad1a01eb0 R14: 00000000000125bb R15: 00002000000004c0
[  221.035533][ T5677]  </TASK>
[  221.038544][ T5681] CPU: 1 PID: 5681 Comm: syz.5.591 Not tainted syzkaller #0
[  221.038675][ T5677] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  221.045946][ T5681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  221.045949][ T5681] Call Trace:
[  221.045953][ T5681]  <TASK>
[  221.045955][ T5681]  dump_stack_lvl+0x41/0x5e
[  221.059055][ T5677] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  221.069095][ T5681]  sysfs_warn_dup.cold+0x17/0x24
[  221.069108][ T5681]  sysfs_create_dir_ns+0xaf/0xd0
[  221.069117][ T5681]  kobject_add_internal+0xc5/0x2d0
[  221.101428][ T5681]  kobject_init_and_add+0x71/0xa0
[  221.106494][ T5681]  ? lockdep_init_map_type+0x49/0x150
[  221.111975][ T5681]  gfs2_sys_fs_add+0xb4/0x180
[  221.116831][ T5681]  gfs2_fill_super+0x649/0xbe0
[  221.121733][ T5681]  ? vsnprintf+0x112/0x4d0
[  221.126147][ T5681]  ? get_tree_bdev+0xad/0x280
[  221.130824][ T5681]  ? gfs2_reconfigure+0x3c0/0x3c0
[  221.135842][ T5681]  ? snprintf+0x49/0x60
[  221.140076][ T5681]  ? gfs2_reconfigure+0x3c0/0x3c0
[  221.145188][ T5681]  get_tree_bdev+0x178/0x280
[  221.149864][ T5681]  gfs2_get_tree+0x1c/0x90
[  221.154276][ T5681]  vfs_get_tree+0x18/0x70
[  221.158726][ T5681]  ? capable+0x2a/0x50
[  221.162787][ T5681]  path_mount+0x2c2/0xc60
[  221.167121][ T5681]  __x64_sys_mount+0xfe/0x140
[  221.172094][ T5681]  do_syscall_64+0x33/0x80
[  221.176505][ T5681]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  221.182497][ T5681] RIP: 0033:0x7fc06be4f90a
[  221.187002][ T5681] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  221.206632][ T5681] RSP: 002b:00007fc06b8bfe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  221.215057][ T5681] RAX: ffffffffffffffda RBX: 00007fc06b8bfef0 RCX: 00007fc06be4f90a
[  221.223039][ T5681] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc06b8bfeb0
[  221.231016][ T5681] RBP: 0000200000000400 R08: 00007fc06b8bfef0 R09: 0000000000000000
[  221.235373][ T5683] loop6: detected capacity change from 0 to 32768
[  221.238982][ T5681] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  221.238986][ T5681] R13: 00007fc06b8bfeb0 R14: 00000000000125bb R15: 00002000000004c0
2025/08/30 10:58:30 executed programs: 586
[  221.256353][ T5683] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  221.261415][ T5681]  </TASK>
[  221.271794][ T5683] CPU: 0 PID: 5683 Comm: syz.6.592 Not tainted syzkaller #0
[  221.271854][ T5681] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  221.279064][ T5683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  221.292387][ T5681] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  221.302416][ T5683] Call Trace:
[  221.302420][ T5683]  <TASK>
[  221.302422][ T5683]  dump_stack_lvl+0x41/0x5e
[  221.319793][ T5683]  sysfs_warn_dup.cold+0x17/0x24
[  221.324714][ T5683]  sysfs_create_dir_ns+0xaf/0xd0
[  221.329633][ T5683]  kobject_add_internal+0xc5/0x2d0
[  221.334733][ T5683]  kobject_init_and_add+0x71/0xa0
[  221.339732][ T5683]  ? lockdep_init_map_type+0x49/0x150
[  221.345084][ T5683]  gfs2_sys_fs_add+0xb4/0x180
[  221.349829][ T5683]  gfs2_fill_super+0x649/0xbe0
[  221.354570][ T5683]  ? vsnprintf+0x112/0x4d0
[  221.359049][ T5683]  ? get_tree_bdev+0xad/0x280
[  221.363822][ T5683]  ? gfs2_reconfigure+0x3c0/0x3c0
[  221.368826][ T5683]  ? snprintf+0x49/0x60
[  221.372957][ T5683]  ? gfs2_reconfigure+0x3c0/0x3c0
[  221.377956][ T5683]  get_tree_bdev+0x178/0x280
[  221.382703][ T5683]  gfs2_get_tree+0x1c/0x90
[  221.387093][ T5683]  vfs_get_tree+0x18/0x70
[  221.391408][ T5683]  ? capable+0x2a/0x50
[  221.395810][ T5683]  path_mount+0x2c2/0xc60
[  221.400223][ T5683]  __x64_sys_mount+0xfe/0x140
[  221.405009][ T5683]  do_syscall_64+0x33/0x80
[  221.409424][ T5683]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  221.415387][ T5683] RIP: 0033:0x7f175899190a
[  221.419785][ T5683] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  221.439456][ T5683] RSP: 002b:00007f1758401e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  221.448106][ T5683] RAX: ffffffffffffffda RBX: 00007f1758401ef0 RCX: 00007f175899190a
[  221.456243][ T5683] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f1758401eb0
[  221.464478][ T5683] RBP: 0000200000000400 R08: 00007f1758401ef0 R09: 0000000000000000
[  221.472434][ T5683] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  221.480827][ T5683] R13: 00007f1758401eb0 R14: 00000000000125bb R15: 00002000000004c0
[  221.488793][ T5683]  </TASK>
[  221.491879][ T5683] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  221.504976][ T5683] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  221.667147][ T5685] loop8: detected capacity change from 0 to 32768
[  221.723670][ T5685] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  221.731496][ T5685] CPU: 0 PID: 5685 Comm: syz.8.594 Not tainted syzkaller #0
[  221.738878][ T5685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  221.749206][ T5685] Call Trace:
[  221.752586][ T5685]  <TASK>
[  221.755601][ T5685]  dump_stack_lvl+0x41/0x5e
[  221.760099][ T5685]  sysfs_warn_dup.cold+0x17/0x24
[  221.765037][ T5685]  sysfs_create_dir_ns+0xaf/0xd0
[  221.769983][ T5685]  kobject_add_internal+0xc5/0x2d0
[  221.775094][ T5685]  kobject_init_and_add+0x71/0xa0
[  221.780132][ T5685]  ? lockdep_init_map_type+0x49/0x150
[  221.785507][ T5685]  gfs2_sys_fs_add+0xb4/0x180
[  221.790194][ T5685]  gfs2_fill_super+0x649/0xbe0
[  221.794954][ T5685]  ? vsnprintf+0x112/0x4d0
[  221.799366][ T5685]  ? get_tree_bdev+0xad/0x280
[  221.804090][ T5685]  ? gfs2_reconfigure+0x3c0/0x3c0
[  221.809199][ T5685]  ? snprintf+0x49/0x60
[  221.811042][ T5687] loop3: detected capacity change from 0 to 32768
[  221.813349][ T5685]  ? gfs2_reconfigure+0x3c0/0x3c0
[  221.813355][ T5685]  get_tree_bdev+0x178/0x280
[  221.813361][ T5685]  gfs2_get_tree+0x1c/0x90
[  221.813364][ T5685]  vfs_get_tree+0x18/0x70
[  221.813368][ T5685]  ? capable+0x2a/0x50
[  221.813373][ T5685]  path_mount+0x2c2/0xc60
[  221.843438][ T5689] loop6: detected capacity change from 0 to 32768
[  221.846767][ T5685]  __x64_sys_mount+0xfe/0x140
[  221.857990][ T5685]  do_syscall_64+0x33/0x80
[  221.862407][ T5685]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  221.868474][ T5685] RIP: 0033:0x7f922dc3590a
[  221.870535][ T5693] loop1: detected capacity change from 0 to 32768
[  221.872882][ T5685] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  221.872886][ T5685] RSP: 002b:00007f922d6a5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  221.872891][ T5685] RAX: ffffffffffffffda RBX: 00007f922d6a5ef0 RCX: 00007f922dc3590a
[  221.872893][ T5685] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f922d6a5eb0
[  221.872895][ T5685] RBP: 0000200000000400 R08: 00007f922d6a5ef0 R09: 0000000000000000
[  221.872897][ T5685] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  221.872900][ T5685] R13: 00007f922d6a5eb0 R14: 00000000000125bb R15: 00002000000004c0
[  221.872903][ T5685]  </TASK>
[  221.872951][ T5685] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  221.902917][ T5691] loop5: detected capacity change from 0 to 32768
[  221.907917][ T5685] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  221.992338][ T5693] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  221.996487][ T5687] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  221.999844][ T5693] CPU: 0 PID: 5693 Comm: syz.1.597 Not tainted syzkaller #0
[  222.014503][ T5693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  222.024979][ T5693] Call Trace:
[  222.028255][ T5693]  <TASK>
[  222.031180][ T5693]  dump_stack_lvl+0x41/0x5e
[  222.035666][ T5693]  sysfs_warn_dup.cold+0x17/0x24
[  222.040585][ T5693]  sysfs_create_dir_ns+0xaf/0xd0
[  222.045522][ T5693]  kobject_add_internal+0xc5/0x2d0
[  222.050615][ T5693]  kobject_init_and_add+0x71/0xa0
[  222.055710][ T5693]  ? lockdep_init_map_type+0x49/0x150
[  222.061394][ T5693]  gfs2_sys_fs_add+0xb4/0x180
[  222.066083][ T5693]  gfs2_fill_super+0x649/0xbe0
[  222.071003][ T5693]  ? vsnprintf+0x112/0x4d0
[  222.075426][ T5693]  ? get_tree_bdev+0xad/0x280
[  222.080085][ T5693]  ? gfs2_reconfigure+0x3c0/0x3c0
[  222.085088][ T5693]  ? snprintf+0x49/0x60
[  222.089312][ T5693]  ? gfs2_reconfigure+0x3c0/0x3c0
[  222.094426][ T5693]  get_tree_bdev+0x178/0x280
[  222.099000][ T5693]  gfs2_get_tree+0x1c/0x90
[  222.103397][ T5693]  vfs_get_tree+0x18/0x70
[  222.107705][ T5693]  ? capable+0x2a/0x50
[  222.111858][ T5693]  path_mount+0x2c2/0xc60
[  222.116351][ T5693]  __x64_sys_mount+0xfe/0x140
[  222.121014][ T5693]  do_syscall_64+0x33/0x80
[  222.125515][ T5693]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  222.131388][ T5693] RIP: 0033:0x7f6d86c9990a
[  222.135789][ T5693] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  222.155807][ T5693] RSP: 002b:00007f6d86709e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.164287][ T5693] RAX: ffffffffffffffda RBX: 00007f6d86709ef0 RCX: 00007f6d86c9990a
[  222.172337][ T5693] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6d86709eb0
[  222.180389][ T5693] RBP: 0000200000000400 R08: 00007f6d86709ef0 R09: 0000000000000000
[  222.188351][ T5693] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  222.196433][ T5693] R13: 00007f6d86709eb0 R14: 00000000000125bb R15: 00002000000004c0
[  222.204672][ T5693]  </TASK>
[  222.207687][ T5687] CPU: 1 PID: 5687 Comm: syz.3.593 Not tainted syzkaller #0
[  222.207808][ T5693] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  222.214972][ T5687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  222.214975][ T5687] Call Trace:
[  222.214979][ T5687]  <TASK>
[  222.214980][ T5687]  dump_stack_lvl+0x41/0x5e
[  222.228157][ T5693] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  222.238206][ T5687]  sysfs_warn_dup.cold+0x17/0x24
[  222.238215][ T5687]  sysfs_create_dir_ns+0xaf/0xd0
[  222.241865][ T5689] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  222.244409][ T5687]  kobject_add_internal+0xc5/0x2d0
[  222.277840][ T5687]  kobject_init_and_add+0x71/0xa0
[  222.282847][ T5687]  ? lockdep_init_map_type+0x49/0x150
[  222.288206][ T5687]  gfs2_sys_fs_add+0xb4/0x180
[  222.292954][ T5687]  gfs2_fill_super+0x649/0xbe0
[  222.297796][ T5687]  ? vsnprintf+0x112/0x4d0
[  222.302193][ T5687]  ? get_tree_bdev+0xad/0x280
[  222.306961][ T5687]  ? gfs2_reconfigure+0x3c0/0x3c0
[  222.311966][ T5687]  ? snprintf+0x49/0x60
[  222.316199][ T5687]  ? gfs2_reconfigure+0x3c0/0x3c0
[  222.321207][ T5687]  get_tree_bdev+0x178/0x280
[  222.325828][ T5687]  gfs2_get_tree+0x1c/0x90
[  222.330337][ T5687]  vfs_get_tree+0x18/0x70
[  222.334732][ T5687]  ? capable+0x2a/0x50
[  222.338827][ T5687]  path_mount+0x2c2/0xc60
[  222.343255][ T5687]  __x64_sys_mount+0xfe/0x140
[  222.348005][ T5687]  do_syscall_64+0x33/0x80
[  222.352417][ T5687]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  222.358304][ T5687] RIP: 0033:0x7f6ad1f9190a
[  222.363053][ T5687] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  222.383364][ T5687] RSP: 002b:00007f6ad1a01e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.391855][ T5687] RAX: ffffffffffffffda RBX: 00007f6ad1a01ef0 RCX: 00007f6ad1f9190a
[  222.399907][ T5687] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6ad1a01eb0
[  222.408124][ T5687] RBP: 0000200000000400 R08: 00007f6ad1a01ef0 R09: 0000000000000000
[  222.416169][ T5687] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  222.424150][ T5687] R13: 00007f6ad1a01eb0 R14: 00000000000125bb R15: 00002000000004c0
[  222.432216][ T5687]  </TASK>
[  222.435224][ T5689] CPU: 0 PID: 5689 Comm: syz.6.595 Not tainted syzkaller #0
[  222.435304][ T5687] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  222.442513][ T5689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  222.442515][ T5689] Call Trace:
[  222.442519][ T5689]  <TASK>
[  222.442521][ T5689]  dump_stack_lvl+0x41/0x5e
[  222.455802][ T5687] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  222.466015][ T5689]  sysfs_warn_dup.cold+0x17/0x24
[  222.466023][ T5689]  sysfs_create_dir_ns+0xaf/0xd0
[  222.466030][ T5689]  kobject_add_internal+0xc5/0x2d0
[  222.471814][ T5691] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  222.472431][ T5689]  kobject_init_and_add+0x71/0xa0
[  222.511471][ T5689]  ? lockdep_init_map_type+0x49/0x150
[  222.516824][ T5689]  gfs2_sys_fs_add+0xb4/0x180
[  222.521568][ T5689]  gfs2_fill_super+0x649/0xbe0
[  222.526312][ T5689]  ? vsnprintf+0x112/0x4d0
[  222.530929][ T5689]  ? get_tree_bdev+0xad/0x280
[  222.535675][ T5689]  ? gfs2_reconfigure+0x3c0/0x3c0
[  222.540800][ T5689]  ? snprintf+0x49/0x60
[  222.544952][ T5689]  ? gfs2_reconfigure+0x3c0/0x3c0
[  222.549957][ T5689]  get_tree_bdev+0x178/0x280
[  222.554528][ T5689]  gfs2_get_tree+0x1c/0x90
[  222.559022][ T5689]  vfs_get_tree+0x18/0x70
[  222.563766][ T5689]  ? capable+0x2a/0x50
[  222.568258][ T5689]  path_mount+0x2c2/0xc60
[  222.572565][ T5689]  __x64_sys_mount+0xfe/0x140
[  222.577235][ T5689]  do_syscall_64+0x33/0x80
[  222.581721][ T5689]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  222.587603][ T5689] RIP: 0033:0x7f175899190a
[  222.592004][ T5689] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  222.611686][ T5689] RSP: 002b:00007f1758401e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.620097][ T5689] RAX: ffffffffffffffda RBX: 00007f1758401ef0 RCX: 00007f175899190a
[  222.628051][ T5689] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f1758401eb0
[  222.636005][ T5689] RBP: 0000200000000400 R08: 00007f1758401ef0 R09: 0000000000000000
[  222.643960][ T5689] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  222.651914][ T5689] R13: 00007f1758401eb0 R14: 00000000000125bb R15: 00002000000004c0
[  222.659869][ T5689]  </TASK>
[  222.662885][ T5691] CPU: 1 PID: 5691 Comm: syz.5.596 Not tainted syzkaller #0
[  222.662902][ T5689] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  222.670165][ T5691] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  222.683350][ T5689] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  222.693482][ T5691] Call Trace:
[  222.693486][ T5691]  <TASK>
[  222.693487][ T5691]  dump_stack_lvl+0x41/0x5e
[  222.710817][ T5691]  sysfs_warn_dup.cold+0x17/0x24
[  222.715760][ T5691]  sysfs_create_dir_ns+0xaf/0xd0
[  222.720714][ T5691]  kobject_add_internal+0xc5/0x2d0
[  222.725830][ T5691]  kobject_init_and_add+0x71/0xa0
[  222.730864][ T5691]  ? lockdep_init_map_type+0x49/0x150
[  222.736230][ T5691]  gfs2_sys_fs_add+0xb4/0x180
[  222.740891][ T5691]  gfs2_fill_super+0x649/0xbe0
[  222.745641][ T5691]  ? vsnprintf+0x112/0x4d0
[  222.750039][ T5691]  ? get_tree_bdev+0xad/0x280
[  222.754698][ T5691]  ? gfs2_reconfigure+0x3c0/0x3c0
[  222.759710][ T5691]  ? snprintf+0x49/0x60
[  222.763846][ T5691]  ? gfs2_reconfigure+0x3c0/0x3c0
[  222.771980][ T5691]  get_tree_bdev+0x178/0x280
[  222.776561][ T5691]  gfs2_get_tree+0x1c/0x90
[  222.780964][ T5691]  vfs_get_tree+0x18/0x70
[  222.785301][ T5691]  ? capable+0x2a/0x50
[  222.789346][ T5691]  path_mount+0x2c2/0xc60
[  222.793847][ T5691]  __x64_sys_mount+0xfe/0x140
[  222.798894][ T5691]  do_syscall_64+0x33/0x80
[  222.803384][ T5691]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  222.809380][ T5691] RIP: 0033:0x7fc06be4f90a
[  222.813818][ T5691] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  222.833405][ T5691] RSP: 002b:00007fc06b8bfe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.841802][ T5691] RAX: ffffffffffffffda RBX: 00007fc06b8bfef0 RCX: 00007fc06be4f90a
[  222.849955][ T5691] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc06b8bfeb0
[  222.857903][ T5691] RBP: 0000200000000400 R08: 00007fc06b8bfef0 R09: 0000000000000000
[  222.866056][ T5691] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  222.874009][ T5691] R13: 00007fc06b8bfeb0 R14: 00000000000125bb R15: 00002000000004c0
[  222.881992][ T5691]  </TASK>
[  222.885300][ T5691] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  222.898791][ T5691] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  223.079235][ T5697] loop3: detected capacity change from 0 to 32768
[  223.100620][ T5695] loop6: detected capacity change from 0 to 32768
[  223.133240][ T5697] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  223.140746][ T5697] CPU: 0 PID: 5697 Comm: syz.3.598 Not tainted syzkaller #0
[  223.148039][ T5697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  223.158098][ T5697] Call Trace:
[  223.161415][ T5697]  <TASK>
[  223.164351][ T5697]  dump_stack_lvl+0x41/0x5e
[  223.168859][ T5697]  sysfs_warn_dup.cold+0x17/0x24
[  223.173819][ T5697]  sysfs_create_dir_ns+0xaf/0xd0
[  223.178861][ T5697]  kobject_add_internal+0xc5/0x2d0
[  223.184098][ T5697]  kobject_init_and_add+0x71/0xa0
[  223.189129][ T5697]  ? lockdep_init_map_type+0x49/0x150
[  223.194610][ T5697]  gfs2_sys_fs_add+0xb4/0x180
[  223.197592][ T5703] loop5: detected capacity change from 0 to 32768
[  223.199285][ T5697]  gfs2_fill_super+0x649/0xbe0
[  223.210467][ T5697]  ? vsnprintf+0x112/0x4d0
[  223.215023][ T5697]  ? get_tree_bdev+0xad/0x280
[  223.219850][ T5697]  ? gfs2_reconfigure+0x3c0/0x3c0
[  223.224879][ T5697]  ? snprintf+0x49/0x60
[  223.229034][ T5697]  ? gfs2_reconfigure+0x3c0/0x3c0
[  223.231033][ T5699] loop1: detected capacity change from 0 to 32768
[  223.234054][ T5697]  get_tree_bdev+0x178/0x280
[  223.234062][ T5697]  gfs2_get_tree+0x1c/0x90
[  223.234066][ T5697]  vfs_get_tree+0x18/0x70
[  223.234070][ T5697]  ? capable+0x2a/0x50
[  223.234075][ T5697]  path_mount+0x2c2/0xc60
[  223.234080][ T5697]  __x64_sys_mount+0xfe/0x140
[  223.267332][ T5697]  do_syscall_64+0x33/0x80
[  223.271840][ T5697]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  223.278022][ T5697] RIP: 0033:0x7f6ad1f9190a
[  223.281580][ T5701] loop8: detected capacity change from 0 to 32768
[  223.282436][ T5697] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  223.282440][ T5697] RSP: 002b:00007f6ad1a01e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.282445][ T5697] RAX: ffffffffffffffda RBX: 00007f6ad1a01ef0 RCX: 00007f6ad1f9190a
[  223.325465][ T5697] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6ad1a01eb0
[  223.333415][ T5697] RBP: 0000200000000400 R08: 00007f6ad1a01ef0 R09: 0000000000000000
[  223.341625][ T5697] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  223.349770][ T5697] R13: 00007f6ad1a01eb0 R14: 00000000000125bb R15: 00002000000004c0
[  223.357835][ T5697]  </TASK>
[  223.360912][ T5697] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  223.374020][ T5697] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  223.374425][ T5695] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  223.387956][ T5695] CPU: 1 PID: 5695 Comm: syz.6.599 Not tainted syzkaller #0
[  223.393511][ T5703] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  223.395231][ T5695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  223.412970][ T5695] Call Trace:
[  223.416493][ T5695]  <TASK>
[  223.419515][ T5695]  dump_stack_lvl+0x41/0x5e
[  223.424104][ T5695]  sysfs_warn_dup.cold+0x17/0x24
[  223.429028][ T5695]  sysfs_create_dir_ns+0xaf/0xd0
[  223.434122][ T5695]  kobject_add_internal+0xc5/0x2d0
[  223.439237][ T5695]  kobject_init_and_add+0x71/0xa0
[  223.444252][ T5695]  ? lockdep_init_map_type+0x49/0x150
[  223.449612][ T5695]  gfs2_sys_fs_add+0xb4/0x180
[  223.454279][ T5695]  gfs2_fill_super+0x649/0xbe0
[  223.459043][ T5695]  ? vsnprintf+0x112/0x4d0
[  223.463465][ T5695]  ? get_tree_bdev+0xad/0x280
[  223.468121][ T5695]  ? gfs2_reconfigure+0x3c0/0x3c0
[  223.473213][ T5695]  ? snprintf+0x49/0x60
[  223.477347][ T5695]  ? gfs2_reconfigure+0x3c0/0x3c0
[  223.482441][ T5695]  get_tree_bdev+0x178/0x280
[  223.487010][ T5695]  gfs2_get_tree+0x1c/0x90
[  223.491503][ T5695]  vfs_get_tree+0x18/0x70
[  223.495959][ T5695]  ? capable+0x2a/0x50
[  223.500018][ T5695]  path_mount+0x2c2/0xc60
[  223.504415][ T5695]  __x64_sys_mount+0xfe/0x140
[  223.509071][ T5695]  do_syscall_64+0x33/0x80
[  223.513664][ T5695]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  223.519884][ T5695] RIP: 0033:0x7f175899190a
[  223.524403][ T5695] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  223.544008][ T5695] RSP: 002b:00007f1758401e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.552740][ T5695] RAX: ffffffffffffffda RBX: 00007f1758401ef0 RCX: 00007f175899190a
[  223.560790][ T5695] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f1758401eb0
[  223.568758][ T5695] RBP: 0000200000000400 R08: 00007f1758401ef0 R09: 0000000000000000
[  223.576713][ T5695] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  223.584775][ T5695] R13: 00007f1758401eb0 R14: 00000000000125bb R15: 00002000000004c0
[  223.592731][ T5695]  </TASK>
[  223.595739][ T5703] CPU: 0 PID: 5703 Comm: syz.5.601 Not tainted syzkaller #0
[  223.595825][ T5695] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  223.603145][ T5703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  223.603147][ T5703] Call Trace:
[  223.603151][ T5703]  <TASK>
[  223.603153][ T5703]  dump_stack_lvl+0x41/0x5e
[  223.616369][ T5695] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  223.626577][ T5703]  sysfs_warn_dup.cold+0x17/0x24
[  223.626587][ T5703]  sysfs_create_dir_ns+0xaf/0xd0
[  223.630659][ T5701] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  223.632799][ T5703]  kobject_add_internal+0xc5/0x2d0
[  223.632808][ T5703]  kobject_init_and_add+0x71/0xa0
[  223.632813][ T5703]  ? lockdep_init_map_type+0x49/0x150
[  223.632821][ T5703]  gfs2_sys_fs_add+0xb4/0x180
[  223.681289][ T5703]  gfs2_fill_super+0x649/0xbe0
[  223.686038][ T5703]  ? vsnprintf+0x112/0x4d0
[  223.690438][ T5703]  ? get_tree_bdev+0xad/0x280
[  223.695531][ T5703]  ? gfs2_reconfigure+0x3c0/0x3c0
[  223.700851][ T5703]  ? snprintf+0x49/0x60
[  223.704995][ T5703]  ? gfs2_reconfigure+0x3c0/0x3c0
[  223.709996][ T5703]  get_tree_bdev+0x178/0x280
[  223.714567][ T5703]  gfs2_get_tree+0x1c/0x90
[  223.718981][ T5703]  vfs_get_tree+0x18/0x70
[  223.723361][ T5703]  ? capable+0x2a/0x50
[  223.727414][ T5703]  path_mount+0x2c2/0xc60
[  223.731734][ T5703]  __x64_sys_mount+0xfe/0x140
[  223.736414][ T5703]  do_syscall_64+0x33/0x80
[  223.740813][ T5703]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  223.746688][ T5703] RIP: 0033:0x7fc06be4f90a
[  223.751092][ T5703] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  223.771374][ T5703] RSP: 002b:00007fc06b8bfe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.779861][ T5703] RAX: ffffffffffffffda RBX: 00007fc06b8bfef0 RCX: 00007fc06be4f90a
[  223.787823][ T5703] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc06b8bfeb0
[  223.795779][ T5703] RBP: 0000200000000400 R08: 00007fc06b8bfef0 R09: 0000000000000000
[  223.803737][ T5703] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  223.811788][ T5703] R13: 00007fc06b8bfeb0 R14: 00000000000125bb R15: 00002000000004c0
[  223.819745][ T5703]  </TASK>
[  223.822752][ T5701] CPU: 1 PID: 5701 Comm: syz.8.602 Not tainted syzkaller #0
[  223.822841][ T5703] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  223.830035][ T5701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  223.843218][ T5703] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  223.853440][ T5701] Call Trace:
[  223.853444][ T5701]  <TASK>
[  223.853578][ T5701]  dump_stack_lvl+0x41/0x5e
[  223.863640][ T5699] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  223.866344][ T5701]  sysfs_warn_dup.cold+0x17/0x24
[  223.883743][ T5701]  sysfs_create_dir_ns+0xaf/0xd0
[  223.888798][ T5701]  kobject_add_internal+0xc5/0x2d0
[  223.893891][ T5701]  kobject_init_and_add+0x71/0xa0
[  223.898894][ T5701]  ? lockdep_init_map_type+0x49/0x150
[  223.904250][ T5701]  gfs2_sys_fs_add+0xb4/0x180
[  223.908908][ T5701]  gfs2_fill_super+0x649/0xbe0
[  223.913654][ T5701]  ? vsnprintf+0x112/0x4d0
[  223.918048][ T5701]  ? get_tree_bdev+0xad/0x280
[  223.922706][ T5701]  ? gfs2_reconfigure+0x3c0/0x3c0
[  223.927850][ T5701]  ? snprintf+0x49/0x60
[  223.931996][ T5701]  ? gfs2_reconfigure+0x3c0/0x3c0
[  223.937046][ T5701]  get_tree_bdev+0x178/0x280
[  223.941807][ T5701]  gfs2_get_tree+0x1c/0x90
[  223.946208][ T5701]  vfs_get_tree+0x18/0x70
[  223.950518][ T5701]  ? capable+0x2a/0x50
[  223.954660][ T5701]  path_mount+0x2c2/0xc60
[  223.958972][ T5701]  __x64_sys_mount+0xfe/0x140
[  223.963637][ T5701]  do_syscall_64+0x33/0x80
[  223.968322][ T5701]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  223.974394][ T5701] RIP: 0033:0x7f922dc3590a
[  223.978793][ T5701] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  223.998384][ T5701] RSP: 002b:00007f922d6a5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.006802][ T5701] RAX: ffffffffffffffda RBX: 00007f922d6a5ef0 RCX: 00007f922dc3590a
[  224.014803][ T5701] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f922d6a5eb0
[  224.022780][ T5701] RBP: 0000200000000400 R08: 00007f922d6a5ef0 R09: 0000000000000000
[  224.030760][ T5701] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  224.038713][ T5701] R13: 00007f922d6a5eb0 R14: 00000000000125bb R15: 00002000000004c0
[  224.047194][ T5701]  </TASK>
[  224.050216][ T5699] CPU: 0 PID: 5699 Comm: syz.1.600 Not tainted syzkaller #0
[  224.050267][ T5701] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  224.057602][ T5699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  224.057604][ T5699] Call Trace:
[  224.057608][ T5699]  <TASK>
[  224.057610][ T5699]  dump_stack_lvl+0x41/0x5e
[  224.070787][ T5701] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  224.080919][ T5699]  sysfs_warn_dup.cold+0x17/0x24
[  224.080934][ T5699]  sysfs_create_dir_ns+0xaf/0xd0
[  224.080942][ T5699]  kobject_add_internal+0xc5/0x2d0
[  224.114081][ T5699]  kobject_init_and_add+0x71/0xa0
[  224.119088][ T5699]  ? lockdep_init_map_type+0x49/0x150
[  224.124586][ T5699]  gfs2_sys_fs_add+0xb4/0x180
[  224.129358][ T5699]  gfs2_fill_super+0x649/0xbe0
[  224.134106][ T5699]  ? vsnprintf+0x112/0x4d0
[  224.138503][ T5699]  ? get_tree_bdev+0xad/0x280
[  224.143276][ T5699]  ? gfs2_reconfigure+0x3c0/0x3c0
[  224.148279][ T5699]  ? snprintf+0x49/0x60
[  224.152416][ T5699]  ? gfs2_reconfigure+0x3c0/0x3c0
[  224.157419][ T5699]  get_tree_bdev+0x178/0x280
[  224.162074][ T5699]  gfs2_get_tree+0x1c/0x90
[  224.166478][ T5699]  vfs_get_tree+0x18/0x70
[  224.170785][ T5699]  ? capable+0x2a/0x50
[  224.174832][ T5699]  path_mount+0x2c2/0xc60
[  224.179165][ T5699]  __x64_sys_mount+0xfe/0x140
[  224.183915][ T5699]  do_syscall_64+0x33/0x80
[  224.188333][ T5699]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  224.194207][ T5699] RIP: 0033:0x7f6d86c9990a
[  224.198609][ T5699] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  224.218479][ T5699] RSP: 002b:00007f6d86709e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.226990][ T5699] RAX: ffffffffffffffda RBX: 00007f6d86709ef0 RCX: 00007f6d86c9990a
[  224.235033][ T5699] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6d86709eb0
[  224.243187][ T5699] RBP: 0000200000000400 R08: 00007f6d86709ef0 R09: 0000000000000000
[  224.251143][ T5699] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  224.259386][ T5699] R13: 00007f6d86709eb0 R14: 00000000000125bb R15: 00002000000004c0
[  224.267402][ T5699]  </TASK>
[  224.270573][ T5699] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  224.283681][ T5699] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  224.411411][ T5705] loop5: detected capacity change from 0 to 32768
[  224.475619][ T5707] loop3: detected capacity change from 0 to 32768
[  224.493304][ T5705] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  224.500898][ T5705] CPU: 1 PID: 5705 Comm: syz.5.603 Not tainted syzkaller #0
[  224.508180][ T5705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  224.518325][ T5705] Call Trace:
[  224.521704][ T5705]  <TASK>
[  224.524723][ T5705]  dump_stack_lvl+0x41/0x5e
[  224.529238][ T5705]  sysfs_warn_dup.cold+0x17/0x24
[  224.534182][ T5705]  sysfs_create_dir_ns+0xaf/0xd0
[  224.539231][ T5705]  kobject_add_internal+0xc5/0x2d0
[  224.544337][ T5705]  kobject_init_and_add+0x71/0xa0
[  224.549386][ T5705]  ? lockdep_init_map_type+0x49/0x150
[  224.554849][ T5705]  gfs2_sys_fs_add+0xb4/0x180
[  224.559631][ T5705]  gfs2_fill_super+0x649/0xbe0
[  224.564394][ T5705]  ? vsnprintf+0x112/0x4d0
[  224.568922][ T5705]  ? get_tree_bdev+0xad/0x280
[  224.573604][ T5705]  ? gfs2_reconfigure+0x3c0/0x3c0
[  224.578626][ T5705]  ? snprintf+0x49/0x60
[  224.582789][ T5705]  ? gfs2_reconfigure+0x3c0/0x3c0
[  224.587905][ T5705]  get_tree_bdev+0x178/0x280
[  224.592526][ T5705]  gfs2_get_tree+0x1c/0x90
[  224.596941][ T5705]  vfs_get_tree+0x18/0x70
[  224.601451][ T5705]  ? capable+0x2a/0x50
[  224.605604][ T5705]  path_mount+0x2c2/0xc60
[  224.609977][ T5705]  __x64_sys_mount+0xfe/0x140
[  224.615008][ T5705]  do_syscall_64+0x33/0x80
[  224.619464][ T5705]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  224.625360][ T5705] RIP: 0033:0x7fc06be4f90a
[  224.629774][ T5705] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  224.631200][ T5711] loop8: detected capacity change from 0 to 32768
[  224.649482][ T5705] RSP: 002b:00007fc06b8bfe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.649489][ T5705] RAX: ffffffffffffffda RBX: 00007fc06b8bfef0 RCX: 00007fc06be4f90a
[  224.649491][ T5705] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc06b8bfeb0
[  224.649494][ T5705] RBP: 0000200000000400 R08: 00007fc06b8bfef0 R09: 0000000000000000
[  224.649496][ T5705] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  224.649498][ T5705] R13: 00007fc06b8bfeb0 R14: 00000000000125bb R15: 00002000000004c0
[  224.649501][ T5705]  </TASK>
[  224.649588][ T5705] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  224.670301][ T5713] loop1: detected capacity change from 0 to 32768
[  224.672637][ T5705] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  224.693650][ T5707] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  224.735941][ T5710] loop6: detected capacity change from 0 to 32768
[  224.741923][ T5707] CPU: 0 PID: 5707 Comm: syz.3.604 Not tainted syzkaller #0
[  224.741929][ T5707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  224.741931][ T5707] Call Trace:
[  224.741934][ T5707]  <TASK>
[  224.772252][ T5707]  dump_stack_lvl+0x41/0x5e
[  224.776907][ T5707]  sysfs_warn_dup.cold+0x17/0x24
[  224.781836][ T5707]  sysfs_create_dir_ns+0xaf/0xd0
[  224.786771][ T5707]  kobject_add_internal+0xc5/0x2d0
[  224.791951][ T5707]  kobject_init_and_add+0x71/0xa0
[  224.796955][ T5707]  ? lockdep_init_map_type+0x49/0x150
[  224.802838][ T5707]  gfs2_sys_fs_add+0xb4/0x180
[  224.807534][ T5707]  gfs2_fill_super+0x649/0xbe0
[  224.812484][ T5707]  ? vsnprintf+0x112/0x4d0
[  224.816907][ T5707]  ? get_tree_bdev+0xad/0x280
[  224.821564][ T5707]  ? gfs2_reconfigure+0x3c0/0x3c0
[  224.826595][ T5707]  ? snprintf+0x49/0x60
[  224.830850][ T5707]  ? gfs2_reconfigure+0x3c0/0x3c0
[  224.835857][ T5707]  get_tree_bdev+0x178/0x280
[  224.840446][ T5707]  gfs2_get_tree+0x1c/0x90
[  224.844838][ T5707]  vfs_get_tree+0x18/0x70
[  224.849144][ T5707]  ? capable+0x2a/0x50
[  224.853393][ T5707]  path_mount+0x2c2/0xc60
[  224.857794][ T5707]  __x64_sys_mount+0xfe/0x140
[  224.862456][ T5707]  do_syscall_64+0x33/0x80
[  224.867038][ T5707]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  224.872908][ T5707] RIP: 0033:0x7f6ad1f9190a
[  224.877486][ T5707] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  224.897437][ T5707] RSP: 002b:00007f6ad1a01e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.906232][ T5707] RAX: ffffffffffffffda RBX: 00007f6ad1a01ef0 RCX: 00007f6ad1f9190a
[  224.914194][ T5707] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6ad1a01eb0
[  224.922152][ T5707] RBP: 0000200000000400 R08: 00007f6ad1a01ef0 R09: 0000000000000000
[  224.930109][ T5707] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  224.938185][ T5707] R13: 00007f6ad1a01eb0 R14: 00000000000125bb R15: 00002000000004c0
[  224.946256][ T5707]  </TASK>
[  224.949585][ T5707] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  224.953240][ T5713] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  224.962866][ T5707] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  224.965115][ T5711] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  224.970504][ T5713] CPU: 1 PID: 5713 Comm: syz.1.607 Not tainted syzkaller #0
[  224.991681][ T5713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  225.001976][ T5713] Call Trace:
[  225.005338][ T5713]  <TASK>
[  225.008272][ T5713]  dump_stack_lvl+0x41/0x5e
[  225.012954][ T5713]  sysfs_warn_dup.cold+0x17/0x24
[  225.018355][ T5713]  sysfs_create_dir_ns+0xaf/0xd0
[  225.023474][ T5713]  kobject_add_internal+0xc5/0x2d0
[  225.028663][ T5713]  kobject_init_and_add+0x71/0xa0
[  225.033793][ T5713]  ? lockdep_init_map_type+0x49/0x150
[  225.039173][ T5713]  gfs2_sys_fs_add+0xb4/0x180
[  225.043956][ T5713]  gfs2_fill_super+0x649/0xbe0
[  225.048800][ T5713]  ? vsnprintf+0x112/0x4d0
[  225.053213][ T5713]  ? get_tree_bdev+0xad/0x280
[  225.057869][ T5713]  ? gfs2_reconfigure+0x3c0/0x3c0
[  225.062996][ T5713]  ? snprintf+0x49/0x60
[  225.067134][ T5713]  ? gfs2_reconfigure+0x3c0/0x3c0
[  225.072137][ T5713]  get_tree_bdev+0x178/0x280
[  225.076706][ T5713]  gfs2_get_tree+0x1c/0x90
[  225.081111][ T5713]  vfs_get_tree+0x18/0x70
[  225.085559][ T5713]  ? capable+0x2a/0x50
[  225.089608][ T5713]  path_mount+0x2c2/0xc60
[  225.094104][ T5713]  __x64_sys_mount+0xfe/0x140
[  225.098871][ T5713]  do_syscall_64+0x33/0x80
[  225.103284][ T5713]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  225.109158][ T5713] RIP: 0033:0x7f6d86c9990a
[  225.113817][ T5713] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  225.134111][ T5713] RSP: 002b:00007f6d86709e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.142504][ T5713] RAX: ffffffffffffffda RBX: 00007f6d86709ef0 RCX: 00007f6d86c9990a
[  225.150456][ T5713] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6d86709eb0
[  225.158417][ T5713] RBP: 0000200000000400 R08: 00007f6d86709ef0 R09: 0000000000000000
[  225.166545][ T5713] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  225.174498][ T5713] R13: 00007f6d86709eb0 R14: 00000000000125bb R15: 00002000000004c0
[  225.182559][ T5713]  </TASK>
[  225.185664][ T5711] CPU: 0 PID: 5711 Comm: syz.8.605 Not tainted syzkaller #0
[  225.185708][ T5713] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  225.193040][ T5711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  225.193043][ T5711] Call Trace:
[  225.193047][ T5711]  <TASK>
[  225.193048][ T5711]  dump_stack_lvl+0x41/0x5e
[  225.206766][ T5713] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.217085][ T5711]  sysfs_warn_dup.cold+0x17/0x24
[  225.217099][ T5711]  sysfs_create_dir_ns+0xaf/0xd0
[  225.217107][ T5711]  kobject_add_internal+0xc5/0x2d0
[  225.225390][ T5710] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  225.227831][ T5711]  kobject_init_and_add+0x71/0xa0
[  225.262067][ T5711]  ? lockdep_init_map_type+0x49/0x150
[  225.267429][ T5711]  gfs2_sys_fs_add+0xb4/0x180
[  225.272398][ T5711]  gfs2_fill_super+0x649/0xbe0
[  225.277148][ T5711]  ? vsnprintf+0x112/0x4d0
[  225.281672][ T5711]  ? get_tree_bdev+0xad/0x280
[  225.286329][ T5711]  ? gfs2_reconfigure+0x3c0/0x3c0
[  225.291384][ T5711]  ? snprintf+0x49/0x60
[  225.295539][ T5711]  ? gfs2_reconfigure+0x3c0/0x3c0
[  225.300774][ T5711]  get_tree_bdev+0x178/0x280
[  225.305375][ T5711]  gfs2_get_tree+0x1c/0x90
[  225.309770][ T5711]  vfs_get_tree+0x18/0x70
[  225.314182][ T5711]  ? capable+0x2a/0x50
[  225.318232][ T5711]  path_mount+0x2c2/0xc60
[  225.322569][ T5711]  __x64_sys_mount+0xfe/0x140
[  225.327225][ T5711]  do_syscall_64+0x33/0x80
[  225.331623][ T5711]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  225.337598][ T5711] RIP: 0033:0x7f922dc3590a
[  225.341996][ T5711] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  225.362437][ T5711] RSP: 002b:00007f922d6a5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.370926][ T5711] RAX: ffffffffffffffda RBX: 00007f922d6a5ef0 RCX: 00007f922dc3590a
[  225.378999][ T5711] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f922d6a5eb0
[  225.387051][ T5711] RBP: 0000200000000400 R08: 00007f922d6a5ef0 R09: 0000000000000000
[  225.395004][ T5711] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  225.403043][ T5711] R13: 00007f922d6a5eb0 R14: 00000000000125bb R15: 00002000000004c0
[  225.411084][ T5711]  </TASK>
[  225.414088][ T5710] CPU: 1 PID: 5710 Comm: syz.6.606 Not tainted syzkaller #0
[  225.414124][ T5711] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  225.421374][ T5710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  225.421377][ T5710] Call Trace:
[  225.421380][ T5710]  <TASK>
[  225.434580][ T5711] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.444626][ T5710]  dump_stack_lvl+0x41/0x5e
[  225.444636][ T5710]  sysfs_warn_dup.cold+0x17/0x24
[  225.466768][ T5710]  sysfs_create_dir_ns+0xaf/0xd0
[  225.471707][ T5710]  kobject_add_internal+0xc5/0x2d0
[  225.476818][ T5710]  kobject_init_and_add+0x71/0xa0
[  225.481922][ T5710]  ? lockdep_init_map_type+0x49/0x150
[  225.487274][ T5710]  gfs2_sys_fs_add+0xb4/0x180
[  225.491930][ T5710]  gfs2_fill_super+0x649/0xbe0
[  225.496679][ T5710]  ? vsnprintf+0x112/0x4d0
[  225.501089][ T5710]  ? get_tree_bdev+0xad/0x280
[  225.505915][ T5710]  ? gfs2_reconfigure+0x3c0/0x3c0
[  225.511143][ T5710]  ? snprintf+0x49/0x60
[  225.515275][ T5710]  ? gfs2_reconfigure+0x3c0/0x3c0
[  225.520278][ T5710]  get_tree_bdev+0x178/0x280
[  225.525063][ T5710]  gfs2_get_tree+0x1c/0x90
[  225.529459][ T5710]  vfs_get_tree+0x18/0x70
[  225.533768][ T5710]  ? capable+0x2a/0x50
[  225.537901][ T5710]  path_mount+0x2c2/0xc60
[  225.542296][ T5710]  __x64_sys_mount+0xfe/0x140
[  225.546949][ T5710]  do_syscall_64+0x33/0x80
[  225.551429][ T5710]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  225.557560][ T5710] RIP: 0033:0x7f175899190a
[  225.562055][ T5710] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  225.581639][ T5710] RSP: 002b:00007f1758401e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.590028][ T5710] RAX: ffffffffffffffda RBX: 00007f1758401ef0 RCX: 00007f175899190a
[  225.597979][ T5710] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f1758401eb0
[  225.606212][ T5710] RBP: 0000200000000400 R08: 00007f1758401ef0 R09: 0000000000000000
[  225.614260][ T5710] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  225.622261][ T5710] R13: 00007f1758401eb0 R14: 00000000000125bb R15: 00002000000004c0
[  225.630302][ T5710]  </TASK>
[  225.633349][ T5710] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  225.646444][ T5710] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.849993][ T5715] loop8: detected capacity change from 0 to 32768
[  225.921413][ T5723] loop6: detected capacity change from 0 to 32768
[  225.924052][ T5715] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  225.932785][ T5717] loop3: detected capacity change from 0 to 32768
[  225.935382][ T5715] CPU: 1 PID: 5715 Comm: syz.8.608 Not tainted syzkaller #0
[  225.949302][ T5715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  225.959534][ T5715] Call Trace:
[  225.963165][ T5715]  <TASK>
[  225.966102][ T5715]  dump_stack_lvl+0x41/0x5e
[  225.970691][ T5715]  sysfs_warn_dup.cold+0x17/0x24
[  225.975721][ T5715]  sysfs_create_dir_ns+0xaf/0xd0
[  225.980661][ T5715]  kobject_add_internal+0xc5/0x2d0
[  225.984054][ T5721] loop1: detected capacity change from 0 to 32768
[  225.985857][ T5715]  kobject_init_and_add+0x71/0xa0
[  225.994161][ T5719] loop5: detected capacity change from 0 to 32768
[  225.997478][ T5715]  ? lockdep_init_map_type+0x49/0x150
[  226.009443][ T5715]  gfs2_sys_fs_add+0xb4/0x180
[  226.014125][ T5715]  gfs2_fill_super+0x649/0xbe0
[  226.019048][ T5715]  ? vsnprintf+0x112/0x4d0
[  226.023450][ T5715]  ? get_tree_bdev+0xad/0x280
[  226.028114][ T5715]  ? gfs2_reconfigure+0x3c0/0x3c0
[  226.033118][ T5715]  ? snprintf+0x49/0x60
[  226.037261][ T5715]  ? gfs2_reconfigure+0x3c0/0x3c0
[  226.042290][ T5715]  get_tree_bdev+0x178/0x280
[  226.046977][ T5715]  gfs2_get_tree+0x1c/0x90
[  226.051459][ T5715]  vfs_get_tree+0x18/0x70
[  226.055786][ T5715]  ? capable+0x2a/0x50
[  226.059832][ T5715]  path_mount+0x2c2/0xc60
[  226.064157][ T5715]  __x64_sys_mount+0xfe/0x140
[  226.068955][ T5715]  do_syscall_64+0x33/0x80
[  226.073519][ T5715]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  226.079407][ T5715] RIP: 0033:0x7f922dc3590a
[  226.083905][ T5715] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  226.104016][ T5715] RSP: 002b:00007f922d6a5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.112684][ T5715] RAX: ffffffffffffffda RBX: 00007f922d6a5ef0 RCX: 00007f922dc3590a
[  226.120814][ T5715] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f922d6a5eb0
[  226.128855][ T5715] RBP: 0000200000000400 R08: 00007f922d6a5ef0 R09: 0000000000000000
[  226.136824][ T5715] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  226.144794][ T5715] R13: 00007f922d6a5eb0 R14: 00000000000125bb R15: 00002000000004c0
[  226.152747][ T5715]  </TASK>
[  226.155807][ T5715] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.168928][ T5715] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  226.212507][ T5721] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.217091][ T5723] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.219926][ T5721] CPU: 1 PID: 5721 Comm: syz.1.611 Not tainted syzkaller #0
[  226.234645][ T5721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  226.244804][ T5721] Call Trace:
[  226.248098][ T5721]  <TASK>
[  226.251019][ T5721]  dump_stack_lvl+0x41/0x5e
[  226.255510][ T5721]  sysfs_warn_dup.cold+0x17/0x24
[  226.260432][ T5721]  sysfs_create_dir_ns+0xaf/0xd0
[  226.265450][ T5721]  kobject_add_internal+0xc5/0x2d0
[  226.270779][ T5721]  kobject_init_and_add+0x71/0xa0
[  226.275921][ T5721]  ? lockdep_init_map_type+0x49/0x150
[  226.281293][ T5721]  gfs2_sys_fs_add+0xb4/0x180
[  226.286164][ T5721]  gfs2_fill_super+0x649/0xbe0
[  226.290907][ T5721]  ? vsnprintf+0x112/0x4d0
[  226.295305][ T5721]  ? get_tree_bdev+0xad/0x280
[  226.299959][ T5721]  ? gfs2_reconfigure+0x3c0/0x3c0
[  226.304984][ T5721]  ? snprintf+0x49/0x60
[  226.309295][ T5721]  ? gfs2_reconfigure+0x3c0/0x3c0
[  226.314406][ T5721]  get_tree_bdev+0x178/0x280
[  226.319095][ T5721]  gfs2_get_tree+0x1c/0x90
[  226.323761][ T5721]  vfs_get_tree+0x18/0x70
[  226.328072][ T5721]  ? capable+0x2a/0x50
[  226.332261][ T5721]  path_mount+0x2c2/0xc60
[  226.336577][ T5721]  __x64_sys_mount+0xfe/0x140
[  226.341351][ T5721]  do_syscall_64+0x33/0x80
[  226.346029][ T5721]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  226.352059][ T5721] RIP: 0033:0x7f6d86c9990a
[  226.356510][ T5721] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  226.376286][ T5721] RSP: 002b:00007f6d86709e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.384853][ T5721] RAX: ffffffffffffffda RBX: 00007f6d86709ef0 RCX: 00007f6d86c9990a
[  226.392979][ T5721] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6d86709eb0
[  226.401300][ T5721] RBP: 0000200000000400 R08: 00007f6d86709ef0 R09: 0000000000000000
[  226.409439][ T5721] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  226.417395][ T5721] R13: 00007f6d86709eb0 R14: 00000000000125bb R15: 00002000000004c0
[  226.425435][ T5721]  </TASK>
[  226.428443][ T5723] CPU: 0 PID: 5723 Comm: syz.6.612 Not tainted syzkaller #0
[  226.428498][ T5721] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.435996][ T5723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  226.435999][ T5723] Call Trace:
[  226.436002][ T5723]  <TASK>
[  226.436004][ T5723]  dump_stack_lvl+0x41/0x5e
[  226.449193][ T5721] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  226.459248][ T5723]  sysfs_warn_dup.cold+0x17/0x24
[  226.459258][ T5723]  sysfs_create_dir_ns+0xaf/0xd0
[  226.462752][ T5717] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.465538][ T5723]  kobject_add_internal+0xc5/0x2d0
[  226.499066][ T5723]  kobject_init_and_add+0x71/0xa0
[  226.504071][ T5723]  ? lockdep_init_map_type+0x49/0x150
[  226.509431][ T5723]  gfs2_sys_fs_add+0xb4/0x180
[  226.514092][ T5723]  gfs2_fill_super+0x649/0xbe0
[  226.518838][ T5723]  ? vsnprintf+0x112/0x4d0
[  226.523239][ T5723]  ? get_tree_bdev+0xad/0x280
[  226.527898][ T5723]  ? gfs2_reconfigure+0x3c0/0x3c0
[  226.532901][ T5723]  ? snprintf+0x49/0x60
[  226.537150][ T5723]  ? gfs2_reconfigure+0x3c0/0x3c0
[  226.542253][ T5723]  get_tree_bdev+0x178/0x280
[  226.546916][ T5723]  gfs2_get_tree+0x1c/0x90
[  226.551315][ T5723]  vfs_get_tree+0x18/0x70
[  226.555623][ T5723]  ? capable+0x2a/0x50
[  226.559687][ T5723]  path_mount+0x2c2/0xc60
[  226.563993][ T5723]  __x64_sys_mount+0xfe/0x140
[  226.568647][ T5723]  do_syscall_64+0x33/0x80
[  226.573063][ T5723]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  226.578939][ T5723] RIP: 0033:0x7f175899190a
[  226.583334][ T5723] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  226.603126][ T5723] RSP: 002b:00007f1758401e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.611692][ T5723] RAX: ffffffffffffffda RBX: 00007f1758401ef0 RCX: 00007f175899190a
[  226.619736][ T5723] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f1758401eb0
[  226.627691][ T5723] RBP: 0000200000000400 R08: 00007f1758401ef0 R09: 0000000000000000
[  226.635645][ T5723] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  226.643598][ T5723] R13: 00007f1758401eb0 R14: 00000000000125bb R15: 00002000000004c0
[  226.651552][ T5723]  </TASK>
[  226.654562][ T5717] CPU: 1 PID: 5717 Comm: syz.3.609 Not tainted syzkaller #0
[  226.654640][ T5723] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.661864][ T5717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  226.661867][ T5717] Call Trace:
[  226.661870][ T5717]  <TASK>
[  226.661871][ T5717]  dump_stack_lvl+0x41/0x5e
[  226.675053][ T5723] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  226.685085][ T5717]  sysfs_warn_dup.cold+0x17/0x24
[  226.685093][ T5717]  sysfs_create_dir_ns+0xaf/0xd0
[  226.685101][ T5717]  kobject_add_internal+0xc5/0x2d0
[  226.689846][ T5719] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.691313][ T5717]  kobject_init_and_add+0x71/0xa0
[  226.729895][ T5717]  ? lockdep_init_map_type+0x49/0x150
[  226.735615][ T5717]  gfs2_sys_fs_add+0xb4/0x180
[  226.740346][ T5717]  gfs2_fill_super+0x649/0xbe0
[  226.745094][ T5717]  ? vsnprintf+0x112/0x4d0
[  226.749594][ T5717]  ? get_tree_bdev+0xad/0x280
[  226.754250][ T5717]  ? gfs2_reconfigure+0x3c0/0x3c0
[  226.759274][ T5717]  ? snprintf+0x49/0x60
[  226.763408][ T5717]  ? gfs2_reconfigure+0x3c0/0x3c0
[  226.768415][ T5717]  get_tree_bdev+0x178/0x280
[  226.773619][ T5717]  gfs2_get_tree+0x1c/0x90
[  226.778019][ T5717]  vfs_get_tree+0x18/0x70
[  226.782331][ T5717]  ? capable+0x2a/0x50
[  226.786564][ T5717]  path_mount+0x2c2/0xc60
[  226.790875][ T5717]  __x64_sys_mount+0xfe/0x140
[  226.795549][ T5717]  do_syscall_64+0x33/0x80
[  226.799952][ T5717]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  226.805826][ T5717] RIP: 0033:0x7f6ad1f9190a
[  226.810223][ T5717] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  226.829816][ T5717] RSP: 002b:00007f6ad1a01e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.838414][ T5717] RAX: ffffffffffffffda RBX: 00007f6ad1a01ef0 RCX: 00007f6ad1f9190a
[  226.846377][ T5717] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6ad1a01eb0
[  226.854332][ T5717] RBP: 0000200000000400 R08: 00007f6ad1a01ef0 R09: 0000000000000000
[  226.862348][ T5717] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  226.870594][ T5717] R13: 00007f6ad1a01eb0 R14: 00000000000125bb R15: 00002000000004c0
[  226.878563][ T5717]  </TASK>
[  226.881602][ T5719] CPU: 0 PID: 5719 Comm: syz.5.610 Not tainted syzkaller #0
[  226.881674][ T5717] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.889343][ T5719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  226.889348][ T5719] Call Trace:
[  226.889352][ T5719]  <TASK>
[  226.889355][ T5719]  dump_stack_lvl+0x41/0x5e
[  226.889364][ T5719]  sysfs_warn_dup.cold+0x17/0x24
[  226.902650][ T5717] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  226.912950][ T5719]  sysfs_create_dir_ns+0xaf/0xd0
[  226.912964][ T5719]  kobject_add_internal+0xc5/0x2d0
[  226.912971][ T5719]  kobject_init_and_add+0x71/0xa0
[  226.912976][ T5719]  ? lockdep_init_map_type+0x49/0x150
[  226.956401][ T5719]  gfs2_sys_fs_add+0xb4/0x180
[  226.961091][ T5719]  gfs2_fill_super+0x649/0xbe0
2025/08/30 10:58:36 executed programs: 607
[  226.965854][ T5719]  ? vsnprintf+0x112/0x4d0
[  226.970358][ T5719]  ? get_tree_bdev+0xad/0x280
[  226.975047][ T5719]  ? gfs2_reconfigure+0x3c0/0x3c0
[  226.980066][ T5719]  ? snprintf+0x49/0x60
[  226.984477][ T5719]  ? gfs2_reconfigure+0x3c0/0x3c0
[  226.989620][ T5719]  get_tree_bdev+0x178/0x280
[  226.994492][ T5719]  gfs2_get_tree+0x1c/0x90
[  226.998905][ T5719]  vfs_get_tree+0x18/0x70
[  227.003236][ T5719]  ? capable+0x2a/0x50
[  227.007300][ T5719]  path_mount+0x2c2/0xc60
[  227.011630][ T5719]  __x64_sys_mount+0xfe/0x140
[  227.016479][ T5719]  do_syscall_64+0x33/0x80
[  227.020983][ T5719]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  227.026983][ T5719] RIP: 0033:0x7fc06be4f90a
[  227.031391][ T5719] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  227.051476][ T5719] RSP: 002b:00007fc06b8bfe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.060121][ T5719] RAX: ffffffffffffffda RBX: 00007fc06b8bfef0 RCX: 00007fc06be4f90a
[  227.068095][ T5719] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc06b8bfeb0
[  227.072895][ T5725] loop8: detected capacity change from 0 to 32768
[  227.076061][ T5719] RBP: 0000200000000400 R08: 00007fc06b8bfef0 R09: 0000000000000000
[  227.076064][ T5719] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  227.076067][ T5719] R13: 00007fc06b8bfeb0 R14: 00000000000125bb R15: 00002000000004c0
[  227.076070][ T5719]  </TASK>
[  227.076135][ T5719] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.111844][   T25] INFO: task syz.7.48:4142 blocked for more than 143 seconds.
[  227.122969][ T5719] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  227.137174][   T25]       Not tainted syzkaller #0
[  227.142119][   T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  227.150871][   T25] task:syz.7.48        state:D stack:13224 pid: 4142 ppid:  2378 flags:0x00004004
[  227.160085][   T25] Call Trace:
[  227.163367][   T25]  <TASK>
[  227.166425][   T25]  __schedule+0x2b8/0x790
[  227.170856][   T25]  schedule+0x53/0x90
[  227.175013][   T25]  schedule_timeout+0x100/0x140
[  227.179853][   T25]  ? wait_for_completion+0x77/0xe0
[  227.185056][   T25]  ? do_raw_spin_unlock+0x50/0xa0
[  227.190165][   T25]  wait_for_completion+0x7f/0xe0
[  227.195206][   T25]  kthread_stop+0x6e/0x170
[  227.199613][   T25]  gfs2_make_fs_ro+0x57/0x2b0
[  227.204285][   T25]  gfs2_withdraw.cold+0x161/0x4c0
[  227.209319][   T25]  ? gfs2_lm.cold+0x3f/0x44
[  227.213820][   T25]  gfs2_metatype_check_ii+0x30/0x40
[  227.219092][   T25]  gfs2_quota_init+0x483/0x4c0
[  227.223875][   T25]  gfs2_make_fs_rw+0xd4/0x160
[  227.228539][   T25]  gfs2_fill_super+0xb84/0xbe0
[  227.233427][   T25]  ? gfs2_glock_nq_num+0x67/0xd0
[  227.238353][   T25]  ? gfs2_freeze_lock+0x24/0x60
[  227.243290][   T25]  ? gfs2_reconfigure+0x3c0/0x3c0
[  227.248339][   T25]  get_tree_bdev+0x178/0x280
[  227.252930][   T25]  gfs2_get_tree+0x1c/0x90
[  227.257331][   T25]  vfs_get_tree+0x18/0x70
[  227.261639][   T25]  ? capable+0x2a/0x50
[  227.265704][   T25]  path_mount+0x2c2/0xc60
[  227.270107][   T25]  __x64_sys_mount+0xfe/0x140
[  227.274985][   T25]  do_syscall_64+0x33/0x80
[  227.279458][   T25]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  227.285347][   T25] RIP: 0033:0x7f19dfb0c90a
[  227.289775][   T25] RSP: 002b:00007f19df57ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.298364][   T25] RAX: ffffffffffffffda RBX: 00007f19df57cef0 RCX: 00007f19dfb0c90a
[  227.306438][   T25] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f19df57ceb0
[  227.314412][   T25] RBP: 0000200000000400 R08: 00007f19df57cef0 R09: 0000000000000000
[  227.322384][   T25] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  227.330334][   T25] R13: 00007f19df57ceb0 R14: 00000000000125bb R15: 00002000000004c0
[  227.338320][   T25]  </TASK>
[  227.341466][   T25] INFO: task gfs2_quotad:4153 blocked for more than 143 seconds.
[  227.349267][   T25]       Not tainted syzkaller #0
[  227.354208][   T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  227.362890][   T25] task:gfs2_quotad     state:D stack:13464 pid: 4153 ppid:     2 flags:0x00004000
[  227.372171][   T25] Call Trace:
[  227.375433][   T25]  <TASK>
[  227.378350][   T25]  __schedule+0x2b8/0x790
[  227.382676][   T25]  ? out_of_line_wait_on_bit_lock+0xb0/0xb0
[  227.388556][   T25]  schedule+0x53/0x90
[  227.392532][   T25]  bit_wait+0x8/0x50
[  227.396422][   T25]  __wait_on_bit+0x23/0x80
[  227.400827][   T25]  out_of_line_wait_on_bit+0x90/0xb0
[  227.406190][   T25]  ? var_wake_function+0x20/0x20
[  227.411119][   T25]  __gfs2_glock_dq+0x1c8/0x280
[  227.415966][   T25]  gfs2_glock_dq_uninit+0x1d/0x60
[  227.420975][   T25]  gfs2_statfs_sync+0x7c/0x190
[  227.425736][   T25]  ? gfs2_statfs_sync+0x42/0x190
[  227.430660][   T25]  gfs2_quotad+0x21d/0x2d0
[  227.435110][   T25]  ? do_wait_intr_irq+0xa0/0xa0
[  227.440055][   T25]  ? gfs2_wake_up_statfs+0x30/0x30
[  227.445269][   T25]  kthread+0x10b/0x130
[  227.449325][   T25]  ? set_kthread_struct+0x40/0x40
[  227.454345][   T25]  ret_from_fork+0x1f/0x30
[  227.458745][   T25]  </TASK>
[  227.461773][   T25] 
[  227.461773][   T25] Showing all locks held in the system:
[  227.469513][   T25] 1 lock held by khungtaskd/25:
[  227.474448][   T25]  #0: ffffffff82fda400 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x15/0xf2
[  227.484358][   T25] 1 lock held by udevd/765:
[  227.488856][   T25]  #0: ffff888107fc7f18 (&disk->open_mutex){....}-{3:3}, at: blkdev_get_by_dev+0x51/0x2e0
[  227.498859][   T25] 2 locks held by getty/881:
[  227.503451][   T25]  #0: ffff8881049f2098 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x1f/0x50
[  227.513192][   T25]  #1: ffffc9000182f2e8 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x4eb/0x610
[  227.523285][   T25] 1 lock held by syz-executor/2376:
[  227.528479][   T25]  #0: ffff888107fc6f18 (&disk->open_mutex){....}-{3:3}, at: blkdev_get_by_dev+0x51/0x2e0
[  227.538502][   T25] 2 locks held by udevd/2453:
[  227.543182][   T25]  #0: ffff888107fc6f18 (&disk->open_mutex){....}-{3:3}, at: blkdev_put+0x35/0x1e0
[  227.552609][   T25]  #1: ffff8881045f5c68 (&lo->lo_mutex){....}-{3:3}, at: __loop_clr_fd+0x5b/0x5b0
[  227.561939][   T25] 2 locks held by kworker/0:3/2613:
[  227.567211][   T25]  #0: ffff888100063138 ((wq_completion)rcu_gp){....}-{0:0}, at: process_one_work+0x1c1/0x440
[  227.577486][   T25]  #1: ffffc9000188fe70 ((work_completion)(&rew.rew_work)){....}-{0:0}, at: process_one_work+0x1c1/0x440
[  227.588808][   T25] 1 lock held by syz.7.48/4142:
[  227.593764][   T25]  #0: ffff888178a530e0 (&type->s_umount_key#45/1){....}-{3:3}, at: alloc_super+0xde/0x3d0
[  227.603762][   T25] 3 locks held by kworker/0:5/5491:
[  227.608955][   T25]  #0: ffff888100062538 ((wq_completion)events){....}-{0:0}, at: process_one_work+0x1c1/0x440
[  227.619310][   T25]  #1: ffffc90004e83e70 ((work_completion)(&pwq->unbound_release_work)){....}-{0:0}, at: process_one_work+0x1c1/0x440
[  227.631644][   T25]  #2: ffffffff82fdae68 (rcu_state.exp_mutex){....}-{3:3}, at: synchronize_rcu_expedited+0xe6/0x390
[  227.642533][   T25] 1 lock held by syz.5.610/5719:
[  227.644396][ T5727] loop1: detected capacity change from 0 to 32768
[  227.647463][   T25]  #0: ffff8881045f4468 (&lo->lo_mutex){....}-{3:3}, at: __loop_clr_fd+0x5b/0x5b0
[  227.663111][   T25] 2 locks held by syz.8.613/5725:
[  227.668126][   T25]  #0: ffff888107fc7f18 (&disk->open_mutex){....}-{3:3}, at: blkdev_put+0x35/0x1e0
[  227.677523][   T25]  #1: ffff8881045f8c68 (&lo->lo_mutex){....}-{3:3}, at: lo_release+0x1b/0x90
[  227.686583][   T25] 2 locks held by syz.1.615/5727:
[  227.691613][   T25]  #0: ffff888107fc4718 (&disk->open_mutex){....}-{3:3}, at: blkdev_put+0x35/0x1e0
[  227.700931][   T25]  #1: ffff8881045de468 (&lo->lo_mutex){....}-{3:3}, at: lo_release+0x1b/0x90
[  227.709900][   T25] 2 locks held by syz.3.616/5730:
[  227.714942][   T25] 
[  227.717264][   T25] =============================================
[  227.717264][   T25] 
[  227.725354][ T5730] loop3: detected capacity change from 0 to 32768
[  227.725718][   T25] NMI backtrace for cpu 1
[  227.736430][   T25] CPU: 1 PID: 25 Comm: khungtaskd Not tainted syzkaller #0
[  227.743603][   T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  227.753722][   T25] Call Trace:
[  227.756984][   T25]  <TASK>
[  227.760073][   T25]  dump_stack_lvl+0x41/0x5e
[  227.764664][   T25]  nmi_cpu_backtrace.cold+0x32/0x80
[  227.769958][   T25]  ? lapic_can_unplug_cpu+0x80/0x80
[  227.775146][   T25]  nmi_trigger_cpumask_backtrace+0x81/0x90
[  227.781017][   T25]  watchdog+0x47f/0x4b0
[  227.785153][   T25]  ? proc_dohung_task_timeout_secs+0x30/0x30
[  227.791124][   T25]  kthread+0x10b/0x130
[  227.795187][   T25]  ? set_kthread_struct+0x40/0x40
[  227.800200][   T25]  ret_from_fork+0x1f/0x30
[  227.804609][   T25]  </TASK>
[  227.807656][   T25] Sending NMI from CPU 1 to CPUs 0:
[  227.812987][    C0] NMI backtrace for cpu 0 skipped: idling at default_idle+0xb/0x10
[  227.813981][   T25] Kernel panic - not syncing: hung_task: blocked tasks
[  227.829020][   T25] Kernel Offset: disabled
[  227.833427][   T25] Rebooting in 86400 seconds..