40]  <TASK>
[  217.564103][ T5640]  dump_stack_lvl+0x41/0x5e
[  217.577189][ T5636] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  217.587219][ T5640]  sysfs_warn_dup.cold+0x17/0x24
[  217.587226][ T5640]  sysfs_create_dir_ns+0xaf/0xd0
[  217.614433][ T5640]  kobject_add_internal+0xc5/0x2d0
[  217.619551][ T5640]  kobject_init_and_add+0x71/0xa0
[  217.624572][ T5640]  ? lockdep_init_map_type+0x49/0x150
[  217.629940][ T5640]  gfs2_sys_fs_add+0xb4/0x180
[  217.634612][ T5640]  gfs2_fill_super+0x649/0xbe0
[  217.639367][ T5640]  ? vsnprintf+0x112/0x4d0
[  217.643770][ T5640]  ? get_tree_bdev+0xad/0x280
[  217.648438][ T5640]  ? gfs2_reconfigure+0x3c0/0x3c0
[  217.653451][ T5640]  ? snprintf+0x49/0x60
[  217.657603][ T5640]  ? gfs2_reconfigure+0x3c0/0x3c0
[  217.662624][ T5640]  get_tree_bdev+0x178/0x280
[  217.667217][ T5640]  gfs2_get_tree+0x1c/0x90
[  217.671628][ T5640]  vfs_get_tree+0x18/0x70
[  217.675971][ T5640]  ? capable+0x2a/0x50
[  217.680032][ T5640]  path_mount+0x2c2/0xc40
[  217.684535][ T5640]  __x64_sys_mount+0xfe/0x140
[  217.688964][ T5642] loop8: detected capacity change from 0 to 32768
[  217.689208][ T5640]  do_syscall_64+0x33/0x80
[  217.700028][ T5640]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  217.705914][ T5640] RIP: 0033:0x7f6fc349890a
[  217.710310][ T5640] 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
[  217.729905][ T5640] RSP: 002b:00007f6fc2ec6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  217.738399][ T5640] RAX: ffffffffffffffda RBX: 00007f6fc2ec6ef0 RCX: 00007f6fc349890a
[  217.746352][ T5640] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6fc2ec6eb0
[  217.754388][ T5640] RBP: 0000200000000400 R08: 00007f6fc2ec6ef0 R09: 0000000000000000
[  217.762338][ T5640] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  217.770285][ T5640] R13: 00007f6fc2ec6eb0 R14: 00000000000125bb R15: 00002000000004c0
[  217.778234][ T5640]  </TASK>
[  217.781310][ T5640] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  217.794408][ T5640] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  217.821998][ T5642] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  217.829459][ T5642] CPU: 1 PID: 5642 Comm: syz.8.562 Not tainted 5.15.189-syzkaller #0
[  217.837615][ T5642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  217.847668][ T5642] Call Trace:
[  217.850948][ T5642]  <TASK>
[  217.853871][ T5642]  dump_stack_lvl+0x41/0x5e
[  217.858454][ T5642]  sysfs_warn_dup.cold+0x17/0x24
[  217.863383][ T5642]  sysfs_create_dir_ns+0xaf/0xd0
[  217.868337][ T5642]  kobject_add_internal+0xc5/0x2d0
[  217.873451][ T5642]  kobject_init_and_add+0x71/0xa0
[  217.878502][ T5642]  ? lockdep_init_map_type+0x49/0x150
[  217.883878][ T5642]  gfs2_sys_fs_add+0xb4/0x180
[  217.888560][ T5642]  gfs2_fill_super+0x649/0xbe0
[  217.893314][ T5642]  ? vsnprintf+0x112/0x4d0
[  217.897728][ T5642]  ? get_tree_bdev+0xad/0x280
[  217.902428][ T5642]  ? gfs2_reconfigure+0x3c0/0x3c0
[  217.907554][ T5642]  ? snprintf+0x49/0x60
[  217.911722][ T5642]  ? gfs2_reconfigure+0x3c0/0x3c0
[  217.916739][ T5642]  get_tree_bdev+0x178/0x280
[  217.921321][ T5642]  gfs2_get_tree+0x1c/0x90
[  217.925731][ T5642]  vfs_get_tree+0x18/0x70
[  217.930057][ T5642]  ? capable+0x2a/0x50
[  217.934227][ T5642]  path_mount+0x2c2/0xc40
[  217.938552][ T5642]  __x64_sys_mount+0xfe/0x140
[  217.943225][ T5642]  do_syscall_64+0x33/0x80
[  217.947636][ T5642]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  217.953532][ T5642] RIP: 0033:0x7f0c80afa90a
[  217.957946][ 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
[  217.965321][ T5645] loop6: detected capacity change from 0 to 32768
[  217.977644][ T5642] RSP: 002b:00007f0c8056ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  217.977650][ T5642] RAX: ffffffffffffffda RBX: 00007f0c8056aef0 RCX: 00007f0c80afa90a
[  217.977652][ T5642] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0c8056aeb0
[  217.977654][ T5642] RBP: 0000200000000400 R08: 00007f0c8056aef0 R09: 0000000000000000
[  217.977657][ T5642] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  217.977659][ T5642] R13: 00007f0c8056aeb0 R14: 00000000000125bb R15: 00002000000004c0
[  217.977662][ T5642]  </TASK>
[  217.977723][ T5642] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.048853][ T5642] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  218.103656][ T5648] loop4: detected capacity change from 0 to 32768
[  218.122780][ T5646] loop5: detected capacity change from 0 to 32768
[  218.132666][ T5645] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  218.140095][ T5645] CPU: 0 PID: 5645 Comm: syz.6.564 Not tainted 5.15.189-syzkaller #0
[  218.148149][ T5645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  218.158203][ T5645] Call Trace:
[  218.161602][ T5645]  <TASK>
[  218.164538][ T5645]  dump_stack_lvl+0x41/0x5e
[  218.169040][ T5645]  sysfs_warn_dup.cold+0x17/0x24
[  218.173969][ T5645]  sysfs_create_dir_ns+0xaf/0xd0
[  218.178900][ T5645]  kobject_add_internal+0xc5/0x2d0
[  218.184095][ T5645]  kobject_init_and_add+0x71/0xa0
[  218.189115][ T5645]  ? lockdep_init_map_type+0x49/0x150
[  218.194474][ T5645]  gfs2_sys_fs_add+0xb4/0x180
[  218.199144][ T5645]  gfs2_fill_super+0x649/0xbe0
[  218.203894][ T5645]  ? vsnprintf+0x112/0x4d0
[  218.208307][ T5645]  ? get_tree_bdev+0xad/0x280
[  218.212979][ T5645]  ? gfs2_reconfigure+0x3c0/0x3c0
[  218.218081][ T5645]  ? snprintf+0x49/0x60
[  218.222239][ T5645]  ? gfs2_reconfigure+0x3c0/0x3c0
[  218.227252][ T5645]  get_tree_bdev+0x178/0x280
[  218.231841][ T5645]  gfs2_get_tree+0x1c/0x90
[  218.236270][ T5645]  vfs_get_tree+0x18/0x70
[  218.240625][ T5645]  ? capable+0x2a/0x50
[  218.244692][ T5645]  path_mount+0x2c2/0xc40
[  218.248522][ T5650] loop7: detected capacity change from 0 to 32768
[  218.249012][ T5645]  __x64_sys_mount+0xfe/0x140
[  218.255988][ T5648] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  218.260226][ T5645]  do_syscall_64+0x33/0x80
[  218.260236][ T5645]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  218.260241][ T5645] RIP: 0033:0x7fe89946b90a
[  218.260246][ T5645] 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
[  218.260250][ T5645] RSP: 002b:00007fe898edbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.310283][ T5645] RAX: ffffffffffffffda RBX: 00007fe898edbef0 RCX: 00007fe89946b90a
[  218.318235][ T5645] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fe898edbeb0
[  218.326276][ T5645] RBP: 0000200000000400 R08: 00007fe898edbef0 R09: 0000000000000000
[  218.334226][ T5645] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  218.342178][ T5645] R13: 00007fe898edbeb0 R14: 00000000000125bb R15: 00002000000004c0
[  218.350133][ T5645]  </TASK>
[  218.353144][ T5648] CPU: 1 PID: 5648 Comm: syz.4.565 Not tainted 5.15.189-syzkaller #0
[  218.353230][ T5645] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.361199][ T5648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  218.361202][ T5648] Call Trace:
[  218.361206][ T5648]  <TASK>
[  218.361208][ T5648]  dump_stack_lvl+0x41/0x5e
[  218.374378][ T5645] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  218.384406][ T5648]  sysfs_warn_dup.cold+0x17/0x24
[  218.384415][ T5648]  sysfs_create_dir_ns+0xaf/0xd0
[  218.411373][ T5648]  kobject_add_internal+0xc5/0x2d0
[  218.416565][ T5648]  kobject_init_and_add+0x71/0xa0
[  218.421569][ T5648]  ? lockdep_init_map_type+0x49/0x150
[  218.427007][ T5648]  gfs2_sys_fs_add+0xb4/0x180
[  218.431680][ T5648]  gfs2_fill_super+0x649/0xbe0
[  218.436423][ T5648]  ? vsnprintf+0x112/0x4d0
[  218.440816][ T5648]  ? get_tree_bdev+0xad/0x280
[  218.445471][ T5648]  ? gfs2_reconfigure+0x3c0/0x3c0
[  218.450476][ T5648]  ? snprintf+0x49/0x60
[  218.454609][ T5648]  ? gfs2_reconfigure+0x3c0/0x3c0
[  218.459616][ T5648]  get_tree_bdev+0x178/0x280
[  218.464181][ T5648]  gfs2_get_tree+0x1c/0x90
[  218.468578][ T5648]  vfs_get_tree+0x18/0x70
[  218.472968][ T5648]  ? capable+0x2a/0x50
[  218.477011][ T5648]  path_mount+0x2c2/0xc40
[  218.481325][ T5648]  __x64_sys_mount+0xfe/0x140
[  218.486071][ T5648]  do_syscall_64+0x33/0x80
[  218.490488][ T5648]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  218.496354][ T5648] RIP: 0033:0x7ffa7f46790a
[  218.500755][ T5648] 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
[  218.520425][ T5648] RSP: 002b:00007ffa7eed7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.528812][ T5648] RAX: ffffffffffffffda RBX: 00007ffa7eed7ef0 RCX: 00007ffa7f46790a
[  218.536762][ T5648] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffa7eed7eb0
[  218.544713][ T5648] RBP: 0000200000000400 R08: 00007ffa7eed7ef0 R09: 0000000000000000
[  218.552661][ T5648] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  218.560617][ T5648] R13: 00007ffa7eed7eb0 R14: 00000000000125bb R15: 00002000000004c0
[  218.568564][ T5648]  </TASK>
[  218.571699][ T5648] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.572693][ T5646] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  218.584805][ T5648] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  218.598805][ T5646] CPU: 0 PID: 5646 Comm: syz.5.563 Not tainted 5.15.189-syzkaller #0
[  218.606861][ T5646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  218.616913][ T5646] Call Trace:
[  218.620189][ T5646]  <TASK>
[  218.623126][ T5646]  dump_stack_lvl+0x41/0x5e
[  218.627644][ T5646]  sysfs_warn_dup.cold+0x17/0x24
[  218.632674][ T5646]  sysfs_create_dir_ns+0xaf/0xd0
[  218.637602][ T5646]  kobject_add_internal+0xc5/0x2d0
[  218.642714][ T5646]  kobject_init_and_add+0x71/0xa0
[  218.647732][ T5646]  ? lockdep_init_map_type+0x49/0x150
[  218.653099][ T5646]  gfs2_sys_fs_add+0xb4/0x180
[  218.657871][ T5646]  gfs2_fill_super+0x649/0xbe0
[  218.662709][ T5646]  ? vsnprintf+0x112/0x4d0
[  218.667119][ T5646]  ? get_tree_bdev+0xad/0x280
[  218.671796][ T5646]  ? gfs2_reconfigure+0x3c0/0x3c0
[  218.676818][ T5646]  ? snprintf+0x49/0x60
[  218.680973][ T5646]  ? gfs2_reconfigure+0x3c0/0x3c0
[  218.685991][ T5646]  get_tree_bdev+0x178/0x280
[  218.690581][ T5646]  gfs2_get_tree+0x1c/0x90
[  218.695076][ T5646]  vfs_get_tree+0x18/0x70
[  218.699401][ T5646]  ? capable+0x2a/0x50
[  218.703473][ T5646]  path_mount+0x2c2/0xc40
[  218.703875][ T5652] loop8: detected capacity change from 0 to 32768
[  218.707795][ T5646]  __x64_sys_mount+0xfe/0x140
[  218.707800][ T5646]  do_syscall_64+0x33/0x80
[  218.707807][ T5646]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  218.707812][ T5646] RIP: 0033:0x7f0c72af990a
[  218.707816][ 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
[  218.707820][ T5646] RSP: 002b:00007f0c72569e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.761665][ T5646] RAX: ffffffffffffffda RBX: 00007f0c72569ef0 RCX: 00007f0c72af990a
[  218.769623][ T5646] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0c72569eb0
[  218.777579][ T5646] RBP: 0000200000000400 R08: 00007f0c72569ef0 R09: 0000000000000000
[  218.785530][ T5646] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  218.793582][ T5646] R13: 00007f0c72569eb0 R14: 00000000000125bb R15: 00002000000004c0
[  218.801532][ T5646]  </TASK>
[  218.804655][ T5646] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.817839][ T5646] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  218.830015][ T5650] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  218.837413][ T5650] CPU: 0 PID: 5650 Comm: syz.7.566 Not tainted 5.15.189-syzkaller #0
[  218.840134][ T5652] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  218.845482][ T5650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  218.862988][ T5650] Call Trace:
[  218.866277][ T5650]  <TASK>
[  218.869196][ T5650]  dump_stack_lvl+0x41/0x5e
[  218.873684][ T5650]  sysfs_warn_dup.cold+0x17/0x24
[  218.878600][ T5650]  sysfs_create_dir_ns+0xaf/0xd0
[  218.883518][ T5650]  kobject_add_internal+0xc5/0x2d0
[  218.888624][ T5650]  kobject_init_and_add+0x71/0xa0
[  218.893641][ T5650]  ? lockdep_init_map_type+0x49/0x150
[  218.899083][ T5650]  gfs2_sys_fs_add+0xb4/0x180
[  218.903743][ T5650]  gfs2_fill_super+0x649/0xbe0
[  218.908484][ T5650]  ? vsnprintf+0x112/0x4d0
[  218.912879][ T5650]  ? get_tree_bdev+0xad/0x280
[  218.917548][ T5650]  ? gfs2_reconfigure+0x3c0/0x3c0
[  218.922552][ T5650]  ? snprintf+0x49/0x60
[  218.926687][ T5650]  ? gfs2_reconfigure+0x3c0/0x3c0
[  218.931693][ T5650]  get_tree_bdev+0x178/0x280
[  218.936281][ T5650]  gfs2_get_tree+0x1c/0x90
[  218.940673][ T5650]  vfs_get_tree+0x18/0x70
[  218.944988][ T5650]  ? capable+0x2a/0x50
[  218.949033][ T5650]  path_mount+0x2c2/0xc40
[  218.953339][ T5650]  __x64_sys_mount+0xfe/0x140
[  218.957999][ T5650]  do_syscall_64+0x33/0x80
[  218.962401][ T5650]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  218.968292][ T5650] RIP: 0033:0x7f6fc349890a
[  218.972687][ 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
[  218.992274][ T5650] RSP: 002b:00007f6fc2f08e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  219.000664][ T5650] RAX: ffffffffffffffda RBX: 00007f6fc2f08ef0 RCX: 00007f6fc349890a
[  219.008614][ T5650] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6fc2f08eb0
[  219.016566][ T5650] RBP: 0000200000000400 R08: 00007f6fc2f08ef0 R09: 0000000000000000
[  219.024548][ T5650] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  219.032502][ T5650] R13: 00007f6fc2f08eb0 R14: 00000000000125bb R15: 00002000000004c0
[  219.040458][ T5650]  </TASK>
[  219.043467][ T5652] CPU: 1 PID: 5652 Comm: syz.8.567 Not tainted 5.15.189-syzkaller #0
[  219.043570][ T5650] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  219.051556][ T5652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  219.051559][ T5652] Call Trace:
[  219.051563][ T5652]  <TASK>
[  219.051564][ T5652]  dump_stack_lvl+0x41/0x5e
[  219.064681][ T5650] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  219.074733][ T5652]  sysfs_warn_dup.cold+0x17/0x24
[  219.074744][ T5652]  sysfs_create_dir_ns+0xaf/0xd0
[  219.101989][ T5652]  kobject_add_internal+0xc5/0x2d0
[  219.107082][ T5652]  kobject_init_and_add+0x71/0xa0
[  219.112084][ T5652]  ? lockdep_init_map_type+0x49/0x150
[  219.117552][ T5652]  gfs2_sys_fs_add+0xb4/0x180
[  219.122383][ T5652]  gfs2_fill_super+0x649/0xbe0
[  219.127255][ T5652]  ? vsnprintf+0x112/0x4d0
[  219.131653][ T5652]  ? get_tree_bdev+0xad/0x280
[  219.136314][ T5652]  ? gfs2_reconfigure+0x3c0/0x3c0
[  219.141395][ T5652]  ? snprintf+0x49/0x60
[  219.145547][ T5652]  ? gfs2_reconfigure+0x3c0/0x3c0
[  219.150570][ T5652]  get_tree_bdev+0x178/0x280
[  219.155233][ T5652]  gfs2_get_tree+0x1c/0x90
[  219.159640][ T5652]  vfs_get_tree+0x18/0x70
[  219.163947][ T5652]  ? capable+0x2a/0x50
[  219.167990][ T5652]  path_mount+0x2c2/0xc40
[  219.172294][ T5652]  __x64_sys_mount+0xfe/0x140
[  219.176944][ T5652]  do_syscall_64+0x33/0x80
[  219.181337][ T5652]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  219.187205][ T5652] RIP: 0033:0x7f0c80afa90a
[  219.191625][ 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
[  219.211300][ T5652] RSP: 002b:00007f0c8056ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  219.219698][ T5652] RAX: ffffffffffffffda RBX: 00007f0c8056aef0 RCX: 00007f0c80afa90a
[  219.227648][ T5652] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0c8056aeb0
[  219.235684][ T5652] RBP: 0000200000000400 R08: 00007f0c8056aef0 R09: 0000000000000000
[  219.243635][ T5652] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  219.251596][ T5652] R13: 00007f0c8056aeb0 R14: 00000000000125bb R15: 00002000000004c0
[  219.259546][ T5652]  </TASK>
[  219.262867][ T5652] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  219.275982][ T5652] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  219.343528][ T5654] loop6: detected capacity change from 0 to 32768
[  219.430588][ T5654] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  219.438014][ T5654] CPU: 1 PID: 5654 Comm: syz.6.568 Not tainted 5.15.189-syzkaller #0
[  219.446247][ T5654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  219.456389][ T5654] Call Trace:
[  219.459704][ T5654]  <TASK>
[  219.462636][ T5654]  dump_stack_lvl+0x41/0x5e
[  219.467241][ T5654]  sysfs_warn_dup.cold+0x17/0x24
[  219.472176][ T5654]  sysfs_create_dir_ns+0xaf/0xd0
[  219.477114][ T5654]  kobject_add_internal+0xc5/0x2d0
[  219.482228][ T5654]  kobject_init_and_add+0x71/0xa0
[  219.487250][ T5654]  ? lockdep_init_map_type+0x49/0x150
[  219.492627][ T5654]  gfs2_sys_fs_add+0xb4/0x180
[  219.497300][ T5654]  gfs2_fill_super+0x649/0xbe0
[  219.502066][ T5654]  ? vsnprintf+0x112/0x4d0
[  219.506482][ T5654]  ? get_tree_bdev+0xad/0x280
[  219.511154][ T5654]  ? gfs2_reconfigure+0x3c0/0x3c0
[  219.516185][ T5654]  ? snprintf+0x49/0x60
[  219.520343][ T5654]  ? gfs2_reconfigure+0x3c0/0x3c0
[  219.525369][ T5654]  get_tree_bdev+0x178/0x280
[  219.529953][ T5654]  gfs2_get_tree+0x1c/0x90
[  219.534363][ T5654]  vfs_get_tree+0x18/0x70
[  219.538758][ T5654]  ? capable+0x2a/0x50
[  219.542824][ T5654]  path_mount+0x2c2/0xc40
[  219.547239][ T5654]  __x64_sys_mount+0xfe/0x140
[  219.551905][ T5654]  do_syscall_64+0x33/0x80
[  219.556321][ T5654]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  219.562221][ T5654] RIP: 0033:0x7fe89946b90a
[  219.566639][ 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
[  219.586407][ T5654] RSP: 002b:00007fe898edbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  219.594815][ T5654] RAX: ffffffffffffffda RBX: 00007fe898edbef0 RCX: 00007fe89946b90a
[  219.602783][ T5654] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fe898edbeb0
[  219.610757][ T5654] RBP: 0000200000000400 R08: 00007fe898edbef0 R09: 0000000000000000
[  219.618721][ T5654] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  219.626687][ T5654] R13: 00007fe898edbeb0 R14: 00000000000125bb R15: 00002000000004c0
[  219.634826][ T5654]  </TASK>
[  219.636479][ T5656] loop4: detected capacity change from 0 to 32768
[  219.637953][ T5654] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  219.657635][ T5654] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  219.749749][ T5658] loop5: detected capacity change from 0 to 32768
[  219.761801][ T5656] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  219.769294][ T5656] CPU: 1 PID: 5656 Comm: syz.4.569 Not tainted 5.15.189-syzkaller #0
[  219.773307][ T5660] loop7: detected capacity change from 0 to 32768
[  219.777355][ T5656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  219.777359][ T5656] Call Trace:
[  219.777361][ T5656]  <TASK>
[  219.777363][ T5656]  dump_stack_lvl+0x41/0x5e
[  219.777371][ T5656]  sysfs_warn_dup.cold+0x17/0x24
[  219.777379][ T5656]  sysfs_create_dir_ns+0xaf/0xd0
[  219.796415][ T5662] loop8: detected capacity change from 0 to 32768
[  219.797099][ T5656]  kobject_add_internal+0xc5/0x2d0
[  219.825852][ T5656]  kobject_init_and_add+0x71/0xa0
[  219.830873][ T5656]  ? lockdep_init_map_type+0x49/0x150
[  219.836243][ T5656]  gfs2_sys_fs_add+0xb4/0x180
[  219.840916][ T5656]  gfs2_fill_super+0x649/0xbe0
[  219.845673][ T5656]  ? vsnprintf+0x112/0x4d0
[  219.850095][ T5656]  ? get_tree_bdev+0xad/0x280
[  219.854766][ T5656]  ? gfs2_reconfigure+0x3c0/0x3c0
[  219.859784][ T5656]  ? snprintf+0x49/0x60
[  219.863932][ T5656]  ? gfs2_reconfigure+0x3c0/0x3c0
[  219.868946][ T5656]  get_tree_bdev+0x178/0x280
[  219.873534][ T5656]  gfs2_get_tree+0x1c/0x90
[  219.877951][ T5656]  vfs_get_tree+0x18/0x70
[  219.882335][ T5656]  ? capable+0x2a/0x50
[  219.886507][ T5656]  path_mount+0x2c2/0xc40
[  219.890832][ T5656]  __x64_sys_mount+0xfe/0x140
[  219.895518][ T5656]  do_syscall_64+0x33/0x80
[  219.899942][ T5656]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  219.905831][ T5656] RIP: 0033:0x7ffa7f46790a
[  219.910245][ 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
[  219.929835][ T5656] RSP: 002b:00007ffa7eed7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  219.938225][ T5656] RAX: ffffffffffffffda RBX: 00007ffa7eed7ef0 RCX: 00007ffa7f46790a
[  219.946178][ T5656] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffa7eed7eb0
[  219.954128][ T5656] RBP: 0000200000000400 R08: 00007ffa7eed7ef0 R09: 0000000000000000
[  219.962088][ T5656] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  219.970163][ T5656] R13: 00007ffa7eed7eb0 R14: 00000000000125bb R15: 00002000000004c0
[  219.978134][ T5656]  </TASK>
[  219.981179][ T5656] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  219.994274][ T5656] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  220.040043][ T5664] loop6: detected capacity change from 0 to 32768
[  220.046580][ T5660] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  220.053979][ T5660] CPU: 1 PID: 5660 Comm: syz.7.571 Not tainted 5.15.189-syzkaller #0
[  220.061345][ T5662] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  220.062223][ T5660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  220.079722][ T5660] Call Trace:
[  220.083080][ T5660]  <TASK>
[  220.086016][ T5660]  dump_stack_lvl+0x41/0x5e
[  220.090519][ T5660]  sysfs_warn_dup.cold+0x17/0x24
[  220.095442][ T5660]  sysfs_create_dir_ns+0xaf/0xd0
[  220.100543][ T5660]  kobject_add_internal+0xc5/0x2d0
[  220.105635][ T5660]  kobject_init_and_add+0x71/0xa0
[  220.110641][ T5660]  ? lockdep_init_map_type+0x49/0x150
[  220.115994][ T5660]  gfs2_sys_fs_add+0xb4/0x180
[  220.120654][ T5660]  gfs2_fill_super+0x649/0xbe0
[  220.125417][ T5660]  ? vsnprintf+0x112/0x4d0
[  220.129816][ T5660]  ? get_tree_bdev+0xad/0x280
[  220.134493][ T5660]  ? gfs2_reconfigure+0x3c0/0x3c0
[  220.139499][ T5660]  ? snprintf+0x49/0x60
[  220.143636][ T5660]  ? gfs2_reconfigure+0x3c0/0x3c0
[  220.148645][ T5660]  get_tree_bdev+0x178/0x280
[  220.153230][ T5660]  gfs2_get_tree+0x1c/0x90
[  220.157645][ T5660]  vfs_get_tree+0x18/0x70
[  220.162056][ T5660]  ? capable+0x2a/0x50
[  220.166111][ T5660]  path_mount+0x2c2/0xc40
[  220.170430][ T5660]  __x64_sys_mount+0xfe/0x140
[  220.175115][ T5660]  do_syscall_64+0x33/0x80
[  220.179518][ T5660]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  220.185412][ T5660] RIP: 0033:0x7f6fc349890a
[  220.189810][ 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
[  220.209396][ T5660] RSP: 002b:00007f6fc2f08e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.217784][ T5660] RAX: ffffffffffffffda RBX: 00007f6fc2f08ef0 RCX: 00007f6fc349890a
[  220.225738][ T5660] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6fc2f08eb0
[  220.233697][ T5660] RBP: 0000200000000400 R08: 00007f6fc2f08ef0 R09: 0000000000000000
[  220.241647][ T5660] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  220.249607][ T5660] R13: 00007f6fc2f08eb0 R14: 00000000000125bb R15: 00002000000004c0
[  220.257615][ T5660]  </TASK>
[  220.260621][ T5662] CPU: 0 PID: 5662 Comm: syz.8.572 Not tainted 5.15.189-syzkaller #0
[  220.260690][ T5660] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  220.268684][ T5662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  220.281772][ T5660] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  220.291800][ T5662] Call Trace:
[  220.291804][ T5662]  <TASK>
[  220.291806][ T5662]  dump_stack_lvl+0x41/0x5e
[  220.291814][ T5662]  sysfs_warn_dup.cold+0x17/0x24
[  220.313883][ T5662]  sysfs_create_dir_ns+0xaf/0xd0
[  220.318807][ T5662]  kobject_add_internal+0xc5/0x2d0
[  220.323907][ T5662]  kobject_init_and_add+0x71/0xa0
[  220.328912][ T5662]  ? lockdep_init_map_type+0x49/0x150
[  220.334262][ T5662]  gfs2_sys_fs_add+0xb4/0x180
[  220.338920][ T5662]  gfs2_fill_super+0x649/0xbe0
[  220.343662][ T5662]  ? vsnprintf+0x112/0x4d0
[  220.348059][ T5662]  ? get_tree_bdev+0xad/0x280
[  220.352713][ T5662]  ? gfs2_reconfigure+0x3c0/0x3c0
[  220.357714][ T5662]  ? snprintf+0x49/0x60
[  220.362023][ T5662]  ? gfs2_reconfigure+0x3c0/0x3c0
[  220.367044][ T5662]  get_tree_bdev+0x178/0x280
[  220.371707][ T5662]  gfs2_get_tree+0x1c/0x90
[  220.376100][ T5662]  vfs_get_tree+0x18/0x70
[  220.380421][ T5662]  ? capable+0x2a/0x50
[  220.384474][ T5662]  path_mount+0x2c2/0xc40
[  220.388785][ T5662]  __x64_sys_mount+0xfe/0x140
[  220.393443][ T5662]  do_syscall_64+0x33/0x80
[  220.397845][ T5662]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  220.403715][ T5662] RIP: 0033:0x7f0c80afa90a
[  220.408112][ T5662] 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
[  220.427700][ T5662] RSP: 002b:00007f0c8056ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.436090][ T5662] RAX: ffffffffffffffda RBX: 00007f0c8056aef0 RCX: 00007f0c80afa90a
[  220.444131][ T5662] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0c8056aeb0
[  220.452103][ T5662] RBP: 0000200000000400 R08: 00007f0c8056aef0 R09: 0000000000000000
[  220.460062][ T5662] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  220.468034][ T5662] R13: 00007f0c8056aeb0 R14: 00000000000125bb R15: 00002000000004c0
[  220.475987][ T5662]  </TASK>
[  220.479165][ T5662] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  220.492450][ T5662] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  220.501544][ T5658] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  220.508936][ T5658] CPU: 1 PID: 5658 Comm: syz.5.570 Not tainted 5.15.189-syzkaller #0
[  220.516999][ T5658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  220.527059][ T5658] Call Trace:
[  220.530339][ T5658]  <TASK>
[  220.533297][ T5658]  dump_stack_lvl+0x41/0x5e
[  220.537814][ T5658]  sysfs_warn_dup.cold+0x17/0x24
[  220.542771][ T5658]  sysfs_create_dir_ns+0xaf/0xd0
[  220.547704][ T5658]  kobject_add_internal+0xc5/0x2d0
[  220.552817][ T5658]  kobject_init_and_add+0x71/0xa0
[  220.557837][ T5658]  ? lockdep_init_map_type+0x49/0x150
[  220.563204][ T5658]  gfs2_sys_fs_add+0xb4/0x180
[  220.567885][ T5658]  gfs2_fill_super+0x649/0xbe0
[  220.572770][ T5658]  ? vsnprintf+0x112/0x4d0
[  220.577177][ T5658]  ? get_tree_bdev+0xad/0x280
[  220.581853][ T5658]  ? gfs2_reconfigure+0x3c0/0x3c0
[  220.586871][ T5658]  ? snprintf+0x49/0x60
[  220.591027][ T5658]  ? gfs2_reconfigure+0x3c0/0x3c0
[  220.596048][ T5658]  get_tree_bdev+0x178/0x280
[  220.600639][ T5658]  gfs2_get_tree+0x1c/0x90
[  220.605052][ T5658]  vfs_get_tree+0x18/0x70
[  220.609377][ T5658]  ? capable+0x2a/0x50
[  220.613447][ T5658]  path_mount+0x2c2/0xc40
[  220.616758][ T5666] loop4: detected capacity change from 0 to 32768
[  220.617769][ T5658]  __x64_sys_mount+0xfe/0x140
[  220.628833][ T5658]  do_syscall_64+0x33/0x80
[  220.633226][ T5658]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  220.639098][ T5658] RIP: 0033:0x7f0c72af990a
[  220.643488][ 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
[  220.663071][ T5658] RSP: 002b:00007f0c72569e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.671455][ T5658] RAX: ffffffffffffffda RBX: 00007f0c72569ef0 RCX: 00007f0c72af990a
[  220.679402][ T5658] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0c72569eb0
[  220.687347][ T5658] RBP: 0000200000000400 R08: 00007f0c72569ef0 R09: 0000000000000000
[  220.695296][ T5658] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  220.703255][ T5658] R13: 00007f0c72569eb0 R14: 00000000000125bb R15: 00002000000004c0
[  220.711205][ T5658]  </TASK>
[  220.714299][ T5658] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  220.720036][ T5664] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  220.727404][ T5658] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  220.741328][ T5664] CPU: 0 PID: 5664 Comm: syz.6.573 Not tainted 5.15.189-syzkaller #0
[  220.749366][ T5664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  220.759399][ T5664] Call Trace:
[  220.762660][ T5664]  <TASK>
[  220.765573][ T5664]  dump_stack_lvl+0x41/0x5e
[  220.770050][ T5664]  sysfs_warn_dup.cold+0x17/0x24
[  220.774962][ T5664]  sysfs_create_dir_ns+0xaf/0xd0
[  220.779875][ T5664]  kobject_add_internal+0xc5/0x2d0
[  220.784966][ T5664]  kobject_init_and_add+0x71/0xa0
[  220.789962][ T5664]  ? lockdep_init_map_type+0x49/0x150
[  220.795306][ T5664]  gfs2_sys_fs_add+0xb4/0x180
[  220.799957][ T5664]  gfs2_fill_super+0x649/0xbe0
[  220.804692][ T5664]  ? vsnprintf+0x112/0x4d0
[  220.809081][ T5664]  ? get_tree_bdev+0xad/0x280
[  220.813732][ T5664]  ? gfs2_reconfigure+0x3c0/0x3c0
[  220.818728][ T5664]  ? snprintf+0x49/0x60
[  220.822855][ T5664]  ? gfs2_reconfigure+0x3c0/0x3c0
[  220.827849][ T5664]  get_tree_bdev+0x178/0x280
[  220.832410][ T5664]  gfs2_get_tree+0x1c/0x90
[  220.836796][ T5664]  vfs_get_tree+0x18/0x70
[  220.841099][ T5664]  ? capable+0x2a/0x50
[  220.845144][ T5664]  path_mount+0x2c2/0xc40
[  220.849447][ T5664]  __x64_sys_mount+0xfe/0x140
[  220.854099][ T5664]  do_syscall_64+0x33/0x80
[  220.858491][ T5664]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  220.864356][ T5664] RIP: 0033:0x7fe89946b90a
[  220.868745][ 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
[  220.888413][ T5664] RSP: 002b:00007fe898edbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.896804][ T5664] RAX: ffffffffffffffda RBX: 00007fe898edbef0 RCX: 00007fe89946b90a
[  220.904755][ T5664] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fe898edbeb0
[  220.912702][ T5664] RBP: 0000200000000400 R08: 00007fe898edbef0 R09: 0000000000000000
[  220.920915][ T5664] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  220.928882][ T5664] R13: 00007fe898edbeb0 R14: 00000000000125bb R15: 00002000000004c0
[  220.936941][ T5664]  </TASK>
[  220.940004][ T5664] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  220.953098][ T5664] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  220.960325][ T5666] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  220.967708][ T5666] CPU: 0 PID: 5666 Comm: syz.4.574 Not tainted 5.15.189-syzkaller #0
[  220.975749][ T5666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  220.985787][ T5666] Call Trace:
[  220.989052][ T5666]  <TASK>
[  220.991962][ T5666]  dump_stack_lvl+0x41/0x5e
[  220.996445][ T5666]  sysfs_warn_dup.cold+0x17/0x24
[  221.001357][ T5666]  sysfs_create_dir_ns+0xaf/0xd0
[  221.006271][ T5666]  kobject_add_internal+0xc5/0x2d0
[  221.011361][ T5666]  kobject_init_and_add+0x71/0xa0
[  221.016359][ T5666]  ? lockdep_init_map_type+0x49/0x150
[  221.021878][ T5666]  gfs2_sys_fs_add+0xb4/0x180
[  221.026540][ T5666]  gfs2_fill_super+0x649/0xbe0
[  221.031276][ T5666]  ? vsnprintf+0x112/0x4d0
[  221.035672][ T5666]  ? get_tree_bdev+0xad/0x280
[  221.040322][ T5666]  ? gfs2_reconfigure+0x3c0/0x3c0
[  221.045333][ T5666]  ? snprintf+0x49/0x60
[  221.049590][ T5666]  ? gfs2_reconfigure+0x3c0/0x3c0
[  221.054707][ T5666]  get_tree_bdev+0x178/0x280
[  221.059338][ T5666]  gfs2_get_tree+0x1c/0x90
[  221.063730][ T5666]  vfs_get_tree+0x18/0x70
[  221.068046][ T5666]  ? capable+0x2a/0x50
[  221.072089][ T5666]  path_mount+0x2c2/0xc40
[  221.076391][ T5666]  __x64_sys_mount+0xfe/0x140
[  221.081129][ T5666]  do_syscall_64+0x33/0x80
[  221.085521][ T5666]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  221.091388][ T5666] RIP: 0033:0x7ffa7f46790a
[  221.095775][ T5666] 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
[  221.115440][ T5666] RSP: 002b:00007ffa7eed7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  221.123912][ T5666] RAX: ffffffffffffffda RBX: 00007ffa7eed7ef0 RCX: 00007ffa7f46790a
[  221.131882][ T5666] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffa7eed7eb0
[  221.139827][ T5666] RBP: 0000200000000400 R08: 00007ffa7eed7ef0 R09: 0000000000000000
[  221.147775][ T5666] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  221.155736][ T5666] R13: 00007ffa7eed7eb0 R14: 00000000000125bb R15: 00002000000004c0
[  221.163721][ T5666]  </TASK>
[  221.166775][ T5666] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  221.179886][ T5666] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  221.250245][ T5668] loop7: detected capacity change from 0 to 32768
[  221.293970][ T5668] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  221.301385][ T5668] CPU: 0 PID: 5668 Comm: syz.7.575 Not tainted 5.15.189-syzkaller #0
[  221.309879][ T5668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  221.320035][ T5668] Call Trace:
[  221.323313][ T5668]  <TASK>
[  221.326242][ T5668]  dump_stack_lvl+0x41/0x5e
[  221.330737][ T5668]  sysfs_warn_dup.cold+0x17/0x24
[  221.335757][ T5668]  sysfs_create_dir_ns+0xaf/0xd0
[  221.340689][ T5668]  kobject_add_internal+0xc5/0x2d0
[  221.345797][ T5668]  kobject_init_and_add+0x71/0xa0
[  221.350814][ T5668]  ? lockdep_init_map_type+0x49/0x150
[  221.356184][ T5668]  gfs2_sys_fs_add+0xb4/0x180
[  221.360855][ T5668]  gfs2_fill_super+0x649/0xbe0
[  221.365610][ T5668]  ? vsnprintf+0x112/0x4d0
[  221.370105][ T5668]  ? get_tree_bdev+0xad/0x280
[  221.374774][ T5668]  ? gfs2_reconfigure+0x3c0/0x3c0
[  221.379793][ T5668]  ? snprintf+0x49/0x60
[  221.383942][ T5668]  ? gfs2_reconfigure+0x3c0/0x3c0
[  221.388974][ T5668]  get_tree_bdev+0x178/0x280
[  221.393555][ T5668]  gfs2_get_tree+0x1c/0x90
[  221.397964][ T5668]  vfs_get_tree+0x18/0x70
[  221.402288][ T5668]  ? capable+0x2a/0x50
[  221.406359][ T5668]  path_mount+0x2c2/0xc40
[  221.410684][ T5668]  __x64_sys_mount+0xfe/0x140
[  221.415361][ T5668]  do_syscall_64+0x33/0x80
[  221.419772][ T5668]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  221.420886][ T5670] loop6: detected capacity change from 0 to 32768
[  221.425685][ T5668] RIP: 0033:0x7f6fc349890a
[  221.425690][ T5668] 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
[  221.425695][ T5668] RSP: 002b:00007f6fc2f08e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  221.464511][ T5668] RAX: ffffffffffffffda RBX: 00007f6fc2f08ef0 RCX: 00007f6fc349890a
[  221.472481][ T5668] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6fc2f08eb0
[  221.476690][ T5672] loop8: detected capacity change from 0 to 32768
[  221.480449][ T5668] RBP: 0000200000000400 R08: 00007f6fc2f08ef0 R09: 0000000000000000
[  221.480452][ T5668] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  221.480455][ T5668] R13: 00007f6fc2f08eb0 R14: 00000000000125bb R15: 00002000000004c0
[  221.480458][ T5668]  </TASK>
[  221.480547][ T5668] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  221.527053][ T5668] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  221.545163][ T5672] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  221.552583][ T5672] CPU: 1 PID: 5672 Comm: syz.8.577 Not tainted 5.15.189-syzkaller #0
[  221.560639][ T5672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  221.564054][ T5670] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  221.570685][ T5672] Call Trace:
[  221.570688][ T5672]  <TASK>
[  221.570690][ T5672]  dump_stack_lvl+0x41/0x5e
[  221.570698][ T5672]  sysfs_warn_dup.cold+0x17/0x24
[  221.570706][ T5672]  sysfs_create_dir_ns+0xaf/0xd0
[  221.570713][ T5672]  kobject_add_internal+0xc5/0x2d0
[  221.603652][ T5672]  kobject_init_and_add+0x71/0xa0
[  221.608658][ T5672]  ? lockdep_init_map_type+0x49/0x150
[  221.614033][ T5672]  gfs2_sys_fs_add+0xb4/0x180
[  221.618690][ T5672]  gfs2_fill_super+0x649/0xbe0
[  221.623439][ T5672]  ? vsnprintf+0x112/0x4d0
[  221.627849][ T5672]  ? get_tree_bdev+0xad/0x280
[  221.632511][ T5672]  ? gfs2_reconfigure+0x3c0/0x3c0
[  221.637518][ T5672]  ? snprintf+0x49/0x60
[  221.641654][ T5672]  ? gfs2_reconfigure+0x3c0/0x3c0
[  221.646656][ T5672]  get_tree_bdev+0x178/0x280
[  221.651230][ T5672]  gfs2_get_tree+0x1c/0x90
[  221.655627][ T5672]  vfs_get_tree+0x18/0x70
[  221.660116][ T5672]  ? capable+0x2a/0x50
[  221.664173][ T5672]  path_mount+0x2c2/0xc40
[  221.668484][ T5672]  __x64_sys_mount+0xfe/0x140
[  221.673140][ T5672]  do_syscall_64+0x33/0x80
[  221.677549][ T5672]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  221.683425][ T5672] RIP: 0033:0x7f0c80afa90a
[  221.687823][ T5672] 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
[  221.707591][ T5672] RSP: 002b:00007f0c8056ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  221.716067][ T5672] RAX: ffffffffffffffda RBX: 00007f0c8056aef0 RCX: 00007f0c80afa90a
[  221.724032][ T5672] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0c8056aeb0
[  221.731993][ T5672] RBP: 0000200000000400 R08: 00007f0c8056aef0 R09: 0000000000000000
[  221.739943][ T5672] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  221.748009][ T5672] R13: 00007f0c8056aeb0 R14: 00000000000125bb R15: 00002000000004c0
[  221.755962][ T5672]  </TASK>
[  221.758981][ T5670] CPU: 0 PID: 5670 Comm: syz.6.576 Not tainted 5.15.189-syzkaller #0
[  221.759056][ T5672] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  221.767045][ T5670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  221.767047][ T5670] Call Trace:
[  221.767050][ T5670]  <TASK>
[  221.767052][ T5670]  dump_stack_lvl+0x41/0x5e
[  221.780353][ T5672] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  221.790569][ T5670]  sysfs_warn_dup.cold+0x17/0x24
[  221.790577][ T5670]  sysfs_create_dir_ns+0xaf/0xd0
[  221.817731][ T5670]  kobject_add_internal+0xc5/0x2d0
[  221.822848][ T5670]  kobject_init_and_add+0x71/0xa0
[  221.827867][ T5670]  ? lockdep_init_map_type+0x49/0x150
[  221.833229][ T5670]  gfs2_sys_fs_add+0xb4/0x180
[  221.837906][ T5670]  gfs2_fill_super+0x649/0xbe0
[  221.842666][ T5670]  ? vsnprintf+0x112/0x4d0
[  221.847112][ T5670]  ? get_tree_bdev+0xad/0x280
[  221.851871][ T5670]  ? gfs2_reconfigure+0x3c0/0x3c0
[  221.856884][ T5670]  ? snprintf+0x49/0x60
[  221.861045][ T5670]  ? gfs2_reconfigure+0x3c0/0x3c0
[  221.866063][ T5670]  get_tree_bdev+0x178/0x280
[  221.870645][ T5670]  gfs2_get_tree+0x1c/0x90
[  221.875051][ T5670]  vfs_get_tree+0x18/0x70
[  221.879372][ T5670]  ? capable+0x2a/0x50
[  221.883435][ T5670]  path_mount+0x2c2/0xc40
[  221.887751][ T5670]  __x64_sys_mount+0xfe/0x140
[  221.892516][ T5670]  do_syscall_64+0x33/0x80
[  221.896925][ T5670]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  221.902808][ T5670] RIP: 0033:0x7fe89946b90a
[  221.907216][ T5670] 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
[  221.926810][ T5670] RSP: 002b:00007fe898edbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  221.935220][ T5670] RAX: ffffffffffffffda RBX: 00007fe898edbef0 RCX: 00007fe89946b90a
[  221.943197][ T5670] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fe898edbeb0
[  221.951167][ T5670] RBP: 0000200000000400 R08: 00007fe898edbef0 R09: 0000000000000000
[  221.959232][ T5670] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  221.967202][ T5670] R13: 00007fe898edbeb0 R14: 00000000000125bb R15: 00002000000004c0
[  221.973528][ T5674] loop5: detected capacity change from 0 to 32768
[  221.975308][ T5670]  </TASK>
[  221.984817][ T5670] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  221.993953][ T5674] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  221.998096][ T5670] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  222.005622][ T5674] CPU: 1 PID: 5674 Comm: syz.5.578 Not tainted 5.15.189-syzkaller #0
[  222.020131][ T5674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  222.030185][ T5674] Call Trace:
[  222.033462][ T5674]  <TASK>
[  222.036388][ T5674]  dump_stack_lvl+0x41/0x5e
[  222.040883][ T5674]  sysfs_warn_dup.cold+0x17/0x24
[  222.045811][ T5674]  sysfs_create_dir_ns+0xaf/0xd0
[  222.050737][ T5674]  kobject_add_internal+0xc5/0x2d0
[  222.055835][ T5674]  kobject_init_and_add+0x71/0xa0
[  222.060847][ T5674]  ? lockdep_init_map_type+0x49/0x150
[  222.066209][ T5674]  gfs2_sys_fs_add+0xb4/0x180
[  222.070876][ T5674]  gfs2_fill_super+0x649/0xbe0
[  222.075627][ T5674]  ? vsnprintf+0x112/0x4d0
[  222.080036][ T5674]  ? get_tree_bdev+0xad/0x280
[  222.084717][ T5674]  ? gfs2_reconfigure+0x3c0/0x3c0
[  222.089733][ T5674]  ? snprintf+0x49/0x60
[  222.093885][ T5674]  ? gfs2_reconfigure+0x3c0/0x3c0
[  222.098911][ T5674]  get_tree_bdev+0x178/0x280
[  222.103512][ T5674]  gfs2_get_tree+0x1c/0x90
[  222.107919][ T5674]  vfs_get_tree+0x18/0x70
[  222.112239][ T5674]  ? capable+0x2a/0x50
[  222.114622][ T5676] loop4: detected capacity change from 0 to 32768
[  222.116294][ T5674]  path_mount+0x2c2/0xc40
[  222.116301][ T5674]  __x64_sys_mount+0xfe/0x140
[  222.116305][ T5674]  do_syscall_64+0x33/0x80
[  222.116312][ T5674]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  222.116317][ T5674] RIP: 0033:0x7f0c72af990a
[  222.116322][ T5674] 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
[  222.116326][ T5674] RSP: 002b:00007f0c72569e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.174444][ T5674] RAX: ffffffffffffffda RBX: 00007f0c72569ef0 RCX: 00007f0c72af990a
[  222.182396][ T5674] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0c72569eb0
[  222.190348][ T5674] RBP: 0000200000000400 R08: 00007f0c72569ef0 R09: 0000000000000000
[  222.198299][ T5674] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  222.206264][ T5674] R13: 00007f0c72569eb0 R14: 00000000000125bb R15: 00002000000004c0
[  222.214302][ T5674]  </TASK>
[  222.217416][ T5674] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  222.230525][ T5674] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  222.280175][ T5676] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  222.287573][ T5676] CPU: 1 PID: 5676 Comm: syz.4.579 Not tainted 5.15.189-syzkaller #0
[  222.295638][ T5676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  222.305694][ T5676] Call Trace:
[  222.308976][ T5676]  <TASK>
[  222.311992][ T5676]  dump_stack_lvl+0x41/0x5e
[  222.316486][ T5676]  sysfs_warn_dup.cold+0x17/0x24
[  222.321419][ T5676]  sysfs_create_dir_ns+0xaf/0xd0
[  222.326435][ T5676]  kobject_add_internal+0xc5/0x2d0
[  222.331540][ T5676]  kobject_init_and_add+0x71/0xa0
[  222.336552][ T5676]  ? lockdep_init_map_type+0x49/0x150
[  222.341923][ T5676]  gfs2_sys_fs_add+0xb4/0x180
[  222.346594][ T5676]  gfs2_fill_super+0x649/0xbe0
[  222.351347][ T5676]  ? vsnprintf+0x112/0x4d0
[  222.355759][ T5676]  ? get_tree_bdev+0xad/0x280
[  222.360427][ T5676]  ? gfs2_reconfigure+0x3c0/0x3c0
[  222.365441][ T5676]  ? snprintf+0x49/0x60
[  222.369590][ T5676]  ? gfs2_reconfigure+0x3c0/0x3c0
[  222.374621][ T5676]  get_tree_bdev+0x178/0x280
[  222.379199][ T5676]  gfs2_get_tree+0x1c/0x90
[  222.383603][ T5676]  vfs_get_tree+0x18/0x70
[  222.387954][ T5676]  ? capable+0x2a/0x50
[  222.392015][ T5676]  path_mount+0x2c2/0xc40
[  222.396332][ T5676]  __x64_sys_mount+0xfe/0x140
[  222.400999][ T5676]  do_syscall_64+0x33/0x80
[  222.405410][ T5676]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  222.411305][ T5676] RIP: 0033:0x7ffa7f46790a
[  222.415716][ T5676] 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
[  222.433795][ T5680] loop8: detected capacity change from 0 to 32768
[  222.435332][ T5676] RSP: 002b:00007ffa7eed7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.450499][ T5676] RAX: ffffffffffffffda RBX: 00007ffa7eed7ef0 RCX: 00007ffa7f46790a
[  222.458468][ T5676] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffa7eed7eb0
[  222.466438][ T5676] RBP: 0000200000000400 R08: 00007ffa7eed7ef0 R09: 0000000000000000
2025/07/27 01:48:13 executed programs: 574
[  222.474405][ T5676] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  222.482496][ T5676] R13: 00007ffa7eed7eb0 R14: 00000000000125bb R15: 00002000000004c0
[  222.490470][ T5676]  </TASK>
[  222.493571][ T5676] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  222.506699][ T5676] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  222.528610][ T5678] loop7: detected capacity change from 0 to 32768
[  222.529861][ T5680] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  222.542450][ T5680] CPU: 0 PID: 5680 Comm: syz.8.581 Not tainted 5.15.189-syzkaller #0
[  222.550517][ T5680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  222.560571][ T5680] Call Trace:
[  222.563843][ T5680]  <TASK>
[  222.566764][ T5680]  dump_stack_lvl+0x41/0x5e
[  222.571261][ T5680]  sysfs_warn_dup.cold+0x17/0x24
[  222.576191][ T5680]  sysfs_create_dir_ns+0xaf/0xd0
[  222.581136][ T5680]  kobject_add_internal+0xc5/0x2d0
[  222.586236][ T5680]  kobject_init_and_add+0x71/0xa0
[  222.591250][ T5680]  ? lockdep_init_map_type+0x49/0x150
[  222.596611][ T5680]  gfs2_sys_fs_add+0xb4/0x180
[  222.601277][ T5680]  gfs2_fill_super+0x649/0xbe0
[  222.606029][ T5680]  ? vsnprintf+0x112/0x4d0
[  222.610442][ T5680]  ? get_tree_bdev+0xad/0x280
[  222.615119][ T5680]  ? gfs2_reconfigure+0x3c0/0x3c0
[  222.620136][ T5680]  ? snprintf+0x49/0x60
[  222.624286][ T5680]  ? gfs2_reconfigure+0x3c0/0x3c0
[  222.629324][ T5680]  get_tree_bdev+0x178/0x280
[  222.633973][ T5680]  gfs2_get_tree+0x1c/0x90
[  222.638396][ T5680]  vfs_get_tree+0x18/0x70
[  222.642724][ T5680]  ? capable+0x2a/0x50
[  222.646791][ T5680]  path_mount+0x2c2/0xc40
[  222.651113][ T5680]  __x64_sys_mount+0xfe/0x140
[  222.652325][ T5682] loop6: detected capacity change from 0 to 32768
[  222.655776][ T5680]  do_syscall_64+0x33/0x80
[  222.655784][ T5680]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  222.672582][ T5680] RIP: 0033:0x7f0c80afa90a
[  222.676996][ T5680] 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
[  222.696598][ T5680] RSP: 002b:00007f0c8056ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.705272][ T5680] RAX: ffffffffffffffda RBX: 00007f0c8056aef0 RCX: 00007f0c80afa90a
[  222.713237][ T5680] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0c8056aeb0
[  222.721215][ T5680] RBP: 0000200000000400 R08: 00007f0c8056aef0 R09: 0000000000000000
[  222.729181][ T5680] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  222.737153][ T5680] R13: 00007f0c8056aeb0 R14: 00000000000125bb R15: 00002000000004c0
[  222.745164][ T5680]  </TASK>
[  222.748308][ T5680] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  222.758263][ T5684] loop5: detected capacity change from 0 to 32768
[  222.761437][ T5680] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  222.774840][ T5678] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  222.777629][ T5682] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  222.782281][ T5678] CPU: 0 PID: 5678 Comm: syz.7.580 Not tainted 5.15.189-syzkaller #0
[  222.797657][ T5678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  222.807699][ T5678] Call Trace:
[  222.810974][ T5678]  <TASK>
[  222.813907][ T5678]  dump_stack_lvl+0x41/0x5e
[  222.818397][ T5678]  sysfs_warn_dup.cold+0x17/0x24
[  222.823319][ T5678]  sysfs_create_dir_ns+0xaf/0xd0
[  222.828241][ T5678]  kobject_add_internal+0xc5/0x2d0
[  222.833334][ T5678]  kobject_init_and_add+0x71/0xa0
[  222.838341][ T5678]  ? lockdep_init_map_type+0x49/0x150
[  222.844105][ T5678]  gfs2_sys_fs_add+0xb4/0x180
[  222.848767][ T5678]  gfs2_fill_super+0x649/0xbe0
[  222.853513][ T5678]  ? vsnprintf+0x112/0x4d0
[  222.857910][ T5678]  ? get_tree_bdev+0xad/0x280
[  222.862572][ T5678]  ? gfs2_reconfigure+0x3c0/0x3c0
[  222.867578][ T5678]  ? snprintf+0x49/0x60
[  222.871713][ T5678]  ? gfs2_reconfigure+0x3c0/0x3c0
[  222.876720][ T5678]  get_tree_bdev+0x178/0x280
[  222.881291][ T5678]  gfs2_get_tree+0x1c/0x90
[  222.885688][ T5678]  vfs_get_tree+0x18/0x70
[  222.889999][ T5678]  ? capable+0x2a/0x50
[  222.894048][ T5678]  path_mount+0x2c2/0xc40
[  222.898358][ T5678]  __x64_sys_mount+0xfe/0x140
[  222.903015][ T5678]  do_syscall_64+0x33/0x80
[  222.907591][ T5678]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  222.913466][ T5678] RIP: 0033:0x7f6fc349890a
[  222.917867][ T5678] 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
[  222.937459][ T5678] RSP: 002b:00007f6fc2f08e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.946420][ T5678] RAX: ffffffffffffffda RBX: 00007f6fc2f08ef0 RCX: 00007f6fc349890a
[  222.954381][ T5678] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6fc2f08eb0
[  222.962353][ T5678] RBP: 0000200000000400 R08: 00007f6fc2f08ef0 R09: 0000000000000000
[  222.970432][ T5678] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  222.978394][ T5678] R13: 00007f6fc2f08eb0 R14: 00000000000125bb R15: 00002000000004c0
[  222.986352][ T5678]  </TASK>
[  222.989358][ T5682] CPU: 1 PID: 5682 Comm: syz.6.582 Not tainted 5.15.189-syzkaller #0
[  222.989377][ T5678] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  222.997415][ T5682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  222.997418][ T5682] Call Trace:
[  222.997422][ T5682]  <TASK>
[  222.997424][ T5682]  dump_stack_lvl+0x41/0x5e
[  223.010509][ T5678] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  223.020537][ T5682]  sysfs_warn_dup.cold+0x17/0x24
[  223.020544][ T5682]  sysfs_create_dir_ns+0xaf/0xd0
[  223.047552][ T5682]  kobject_add_internal+0xc5/0x2d0
[  223.052677][ T5682]  kobject_init_and_add+0x71/0xa0
[  223.057677][ T5682]  ? lockdep_init_map_type+0x49/0x150
[  223.063111][ T5682]  gfs2_sys_fs_add+0xb4/0x180
[  223.067763][ T5682]  gfs2_fill_super+0x649/0xbe0
[  223.072587][ T5682]  ? vsnprintf+0x112/0x4d0
[  223.076976][ T5682]  ? get_tree_bdev+0xad/0x280
[  223.081648][ T5682]  ? gfs2_reconfigure+0x3c0/0x3c0
[  223.086644][ T5682]  ? snprintf+0x49/0x60
[  223.090799][ T5682]  ? gfs2_reconfigure+0x3c0/0x3c0
[  223.095802][ T5682]  get_tree_bdev+0x178/0x280
[  223.100369][ T5682]  gfs2_get_tree+0x1c/0x90
[  223.104780][ T5682]  vfs_get_tree+0x18/0x70
[  223.109103][ T5682]  ? capable+0x2a/0x50
[  223.113234][ T5682]  path_mount+0x2c2/0xc40
[  223.117543][ T5682]  __x64_sys_mount+0xfe/0x140
[  223.122194][ T5682]  do_syscall_64+0x33/0x80
[  223.126589][ T5682]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  223.132545][ T5682] RIP: 0033:0x7fe89946b90a
[  223.136937][ T5682] 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
[  223.156870][ T5682] RSP: 002b:00007fe898edbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.165289][ T5682] RAX: ffffffffffffffda RBX: 00007fe898edbef0 RCX: 00007fe89946b90a
[  223.173242][ T5682] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fe898edbeb0
[  223.181193][ T5682] RBP: 0000200000000400 R08: 00007fe898edbef0 R09: 0000000000000000
[  223.189262][ T5682] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  223.197216][ T5682] R13: 00007fe898edbeb0 R14: 00000000000125bb R15: 00002000000004c0
[  223.205179][ T5682]  </TASK>
[  223.208234][ T5682] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  223.221421][ T5682] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  223.253072][ T5684] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  223.260605][ T5684] CPU: 0 PID: 5684 Comm: syz.5.583 Not tainted 5.15.189-syzkaller #0
[  223.268659][ T5684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  223.278713][ T5684] Call Trace:
[  223.282001][ T5684]  <TASK>
[  223.284932][ T5684]  dump_stack_lvl+0x41/0x5e
[  223.289450][ T5684]  sysfs_warn_dup.cold+0x17/0x24
[  223.294389][ T5684]  sysfs_create_dir_ns+0xaf/0xd0
[  223.299321][ T5684]  kobject_add_internal+0xc5/0x2d0
[  223.304427][ T5684]  kobject_init_and_add+0x71/0xa0
[  223.309446][ T5684]  ? lockdep_init_map_type+0x49/0x150
[  223.314811][ T5684]  gfs2_sys_fs_add+0xb4/0x180
[  223.319486][ T5684]  gfs2_fill_super+0x649/0xbe0
[  223.324245][ T5684]  ? vsnprintf+0x112/0x4d0
[  223.328665][ T5684]  ? get_tree_bdev+0xad/0x280
[  223.333355][ T5684]  ? gfs2_reconfigure+0x3c0/0x3c0
[  223.338374][ T5684]  ? snprintf+0x49/0x60
[  223.342519][ T5684]  ? gfs2_reconfigure+0x3c0/0x3c0
[  223.347544][ T5684]  get_tree_bdev+0x178/0x280
[  223.352130][ T5684]  gfs2_get_tree+0x1c/0x90
[  223.356544][ T5684]  vfs_get_tree+0x18/0x70
[  223.360871][ T5684]  ? capable+0x2a/0x50
[  223.364943][ T5684]  path_mount+0x2c2/0xc40
[  223.369275][ T5684]  __x64_sys_mount+0xfe/0x140
[  223.373952][ T5684]  do_syscall_64+0x33/0x80
[  223.378370][ T5684]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  223.384259][ T5684] RIP: 0033:0x7f0c72af990a
[  223.388676][ T5684] 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
[  223.391753][ T5686] loop4: detected capacity change from 0 to 32768
[  223.408281][ T5684] RSP: 002b:00007f0c72569e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.408287][ T5684] RAX: ffffffffffffffda RBX: 00007f0c72569ef0 RCX: 00007f0c72af990a
[  223.408290][ T5684] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0c72569eb0
[  223.408292][ T5684] RBP: 0000200000000400 R08: 00007f0c72569ef0 R09: 0000000000000000
[  223.408294][ T5684] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  223.408296][ T5684] R13: 00007f0c72569eb0 R14: 00000000000125bb R15: 00002000000004c0
[  223.408299][ T5684]  </TASK>
[  223.408411][ T5684] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  223.426362][ T5686] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  223.431244][ T5684] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  223.493481][ T5686] CPU: 1 PID: 5686 Comm: syz.4.584 Not tainted 5.15.189-syzkaller #0
[  223.501537][ T5686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  223.511671][ T5686] Call Trace:
[  223.514948][ T5686]  <TASK>
[  223.517879][ T5686]  dump_stack_lvl+0x41/0x5e
[  223.522374][ T5686]  sysfs_warn_dup.cold+0x17/0x24
[  223.527306][ T5686]  sysfs_create_dir_ns+0xaf/0xd0
[  223.532241][ T5686]  kobject_add_internal+0xc5/0x2d0
[  223.537350][ T5686]  kobject_init_and_add+0x71/0xa0
[  223.542377][ T5686]  ? lockdep_init_map_type+0x49/0x150
[  223.547750][ T5686]  gfs2_sys_fs_add+0xb4/0x180
[  223.552424][ T5686]  gfs2_fill_super+0x649/0xbe0
[  223.557184][ T5686]  ? vsnprintf+0x112/0x4d0
[  223.561609][ T5686]  ? get_tree_bdev+0xad/0x280
[  223.562874][ T5688] loop8: detected capacity change from 0 to 32768
[  223.566274][ T5686]  ? gfs2_reconfigure+0x3c0/0x3c0
[  223.577693][ T5686]  ? snprintf+0x49/0x60
[  223.581845][ T5686]  ? gfs2_reconfigure+0x3c0/0x3c0
[  223.583609][ T5688] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  223.586943][ T5686]  get_tree_bdev+0x178/0x280
[  223.598906][ T5686]  gfs2_get_tree+0x1c/0x90
[  223.603301][ T5686]  vfs_get_tree+0x18/0x70
[  223.607613][ T5686]  ? capable+0x2a/0x50
[  223.611662][ T5686]  path_mount+0x2c2/0xc40
[  223.615980][ T5686]  __x64_sys_mount+0xfe/0x140
[  223.620631][ T5686]  do_syscall_64+0x33/0x80
[  223.625031][ T5686]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  223.630899][ T5686] RIP: 0033:0x7ffa7f46790a
[  223.635296][ T5686] 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
[  223.654978][ T5686] RSP: 002b:00007ffa7eed7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.663365][ T5686] RAX: ffffffffffffffda RBX: 00007ffa7eed7ef0 RCX: 00007ffa7f46790a
[  223.671336][ T5686] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffa7eed7eb0
[  223.679375][ T5686] RBP: 0000200000000400 R08: 00007ffa7eed7ef0 R09: 0000000000000000
[  223.687424][ T5686] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  223.695373][ T5686] R13: 00007ffa7eed7eb0 R14: 00000000000125bb R15: 00002000000004c0
[  223.703323][ T5686]  </TASK>
[  223.706328][ T5688] CPU: 0 PID: 5688 Comm: syz.8.585 Not tainted 5.15.189-syzkaller #0
[  223.706349][ T5686] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  223.714395][ T5688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  223.714398][ T5688] Call Trace:
[  223.714401][ T5688]  <TASK>
[  223.714402][ T5688]  dump_stack_lvl+0x41/0x5e
[  223.727494][ T5686] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  223.737523][ T5688]  sysfs_warn_dup.cold+0x17/0x24
[  223.737530][ T5688]  sysfs_create_dir_ns+0xaf/0xd0
[  223.764527][ T5688]  kobject_add_internal+0xc5/0x2d0
[  223.769880][ T5688]  kobject_init_and_add+0x71/0xa0
[  223.774880][ T5688]  ? lockdep_init_map_type+0x49/0x150
[  223.780228][ T5688]  gfs2_sys_fs_add+0xb4/0x180
[  223.784881][ T5688]  gfs2_fill_super+0x649/0xbe0
[  223.789622][ T5688]  ? vsnprintf+0x112/0x4d0
[  223.794021][ T5688]  ? get_tree_bdev+0xad/0x280
[  223.798670][ T5688]  ? gfs2_reconfigure+0x3c0/0x3c0
[  223.803664][ T5688]  ? snprintf+0x49/0x60
[  223.807799][ T5688]  ? gfs2_reconfigure+0x3c0/0x3c0
[  223.812809][ T5688]  get_tree_bdev+0x178/0x280
[  223.817374][ T5688]  gfs2_get_tree+0x1c/0x90
[  223.821775][ T5688]  vfs_get_tree+0x18/0x70
[  223.826077][ T5688]  ? capable+0x2a/0x50
[  223.830130][ T5688]  path_mount+0x2c2/0xc40
[  223.834434][ T5688]  __x64_sys_mount+0xfe/0x140
[  223.839086][ T5688]  do_syscall_64+0x33/0x80
[  223.843989][ T5688]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  223.849863][ T5688] RIP: 0033:0x7f0c80afa90a
[  223.854255][ T5688] 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
[  223.873838][ T5688] RSP: 002b:00007f0c8056ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.882224][ T5688] RAX: ffffffffffffffda RBX: 00007f0c8056aef0 RCX: 00007f0c80afa90a
[  223.890172][ T5688] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0c8056aeb0
[  223.898139][ T5688] RBP: 0000200000000400 R08: 00007f0c8056aef0 R09: 0000000000000000
[  223.906091][ T5688] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  223.914047][ T5688] R13: 00007f0c8056aeb0 R14: 00000000000125bb R15: 00002000000004c0
[  223.921996][ T5688]  </TASK>
[  223.925076][ T5688] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  223.938266][ T5688] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  224.124216][ T5692] loop4: detected capacity change from 0 to 32768
[  224.140117][ T5692] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  224.147673][ T5692] CPU: 0 PID: 5692 Comm: syz.4.587 Not tainted 5.15.189-syzkaller #0
[  224.155744][ T5692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  224.165901][ T5692] Call Trace:
[  224.169190][ T5692]  <TASK>
[  224.172137][ T5692]  dump_stack_lvl+0x41/0x5e
[  224.176639][ T5692]  sysfs_warn_dup.cold+0x17/0x24
[  224.181576][ T5692]  sysfs_create_dir_ns+0xaf/0xd0
[  224.186520][ T5692]  kobject_add_internal+0xc5/0x2d0
[  224.191630][ T5692]  kobject_init_and_add+0x71/0xa0
[  224.196644][ T5692]  ? lockdep_init_map_type+0x49/0x150
[  224.202006][ T5692]  gfs2_sys_fs_add+0xb4/0x180
[  224.206771][ T5692]  gfs2_fill_super+0x649/0xbe0
[  224.211545][ T5692]  ? vsnprintf+0x112/0x4d0
[  224.215959][ T5692]  ? get_tree_bdev+0xad/0x280
[  224.220735][ T5692]  ? gfs2_reconfigure+0x3c0/0x3c0
[  224.225761][ T5692]  ? snprintf+0x49/0x60
[  224.229916][ T5692]  ? gfs2_reconfigure+0x3c0/0x3c0
[  224.234936][ T5692]  get_tree_bdev+0x178/0x280
[  224.234942][ T5694] loop5: detected capacity change from 0 to 32768
[  224.246217][ T5692]  gfs2_get_tree+0x1c/0x90
[  224.250626][ T5692]  vfs_get_tree+0x18/0x70
[  224.254952][ T5692]  ? capable+0x2a/0x50
[  224.259022][ T5692]  path_mount+0x2c2/0xc40
[  224.263342][ T5692]  __x64_sys_mount+0xfe/0x140
[  224.268013][ T5692]  do_syscall_64+0x33/0x80
[  224.269852][ T5696] loop7: detected capacity change from 0 to 32768
[  224.272425][ T5692]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  224.272433][ T5692] RIP: 0033:0x7ffa7f46790a
[  224.272438][ T5692] 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
[  224.272442][ T5692] RSP: 002b:00007ffa7eed7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.317139][ T5692] RAX: ffffffffffffffda RBX: 00007ffa7eed7ef0 RCX: 00007ffa7f46790a
[  224.325113][ T5692] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffa7eed7eb0
[  224.333257][ T5692] RBP: 0000200000000400 R08: 00007ffa7eed7ef0 R09: 0000000000000000
[  224.339782][ T5699] loop8: detected capacity change from 0 to 32768
[  224.341229][ T5692] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  224.341232][ T5692] R13: 00007ffa7eed7eb0 R14: 00000000000125bb R15: 00002000000004c0
[  224.341236][ T5692]  </TASK>
[  224.341337][ T5692] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  224.375573][ T5690] loop6: detected capacity change from 0 to 32768
[  224.379828][ T5692] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  224.430378][ T5694] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  224.433888][ T5696] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  224.437791][ T5694] CPU: 0 PID: 5694 Comm: syz.5.588 Not tainted 5.15.189-syzkaller #0
[  224.453555][ T5694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  224.463716][ T5694] Call Trace:
[  224.467072][ T5694]  <TASK>
[  224.469998][ T5694]  dump_stack_lvl+0x41/0x5e
[  224.474487][ T5694]  sysfs_warn_dup.cold+0x17/0x24
[  224.479410][ T5694]  sysfs_create_dir_ns+0xaf/0xd0
[  224.484330][ T5694]  kobject_add_internal+0xc5/0x2d0
[  224.489418][ T5694]  kobject_init_and_add+0x71/0xa0
[  224.494423][ T5694]  ? lockdep_init_map_type+0x49/0x150
[  224.499777][ T5694]  gfs2_sys_fs_add+0xb4/0x180
[  224.504433][ T5694]  gfs2_fill_super+0x649/0xbe0
[  224.509174][ T5694]  ? vsnprintf+0x112/0x4d0
[  224.513568][ T5694]  ? get_tree_bdev+0xad/0x280
[  224.518224][ T5694]  ? gfs2_reconfigure+0x3c0/0x3c0
[  224.523241][ T5694]  ? snprintf+0x49/0x60
[  224.527378][ T5694]  ? gfs2_reconfigure+0x3c0/0x3c0
[  224.532379][ T5694]  get_tree_bdev+0x178/0x280
[  224.537036][ T5694]  gfs2_get_tree+0x1c/0x90
[  224.541429][ T5694]  vfs_get_tree+0x18/0x70
[  224.545736][ T5694]  ? capable+0x2a/0x50
[  224.549782][ T5694]  path_mount+0x2c2/0xc40
[  224.554111][ T5694]  __x64_sys_mount+0xfe/0x140
[  224.558770][ T5694]  do_syscall_64+0x33/0x80
[  224.563178][ T5694]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  224.569071][ T5694] RIP: 0033:0x7f0c72af990a
[  224.573466][ T5694] 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
[  224.593236][ T5694] RSP: 002b:00007f0c72569e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.601625][ T5694] RAX: ffffffffffffffda RBX: 00007f0c72569ef0 RCX: 00007f0c72af990a
[  224.609577][ T5694] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0c72569eb0
[  224.617546][ T5694] RBP: 0000200000000400 R08: 00007f0c72569ef0 R09: 0000000000000000
[  224.625498][ T5694] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  224.633454][ T5694] R13: 00007f0c72569eb0 R14: 00000000000125bb R15: 00002000000004c0
[  224.641411][ T5694]  </TASK>
[  224.644431][ T5696] CPU: 1 PID: 5696 Comm: syz.7.589 Not tainted 5.15.189-syzkaller #0
[  224.644514][ T5694] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  224.652575][ T5696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  224.652578][ T5696] Call Trace:
[  224.652580][ T5696]  <TASK>
[  224.652582][ T5696]  dump_stack_lvl+0x41/0x5e
[  224.665671][ T5694] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  224.675709][ T5696]  sysfs_warn_dup.cold+0x17/0x24
[  224.675715][ T5696]  sysfs_create_dir_ns+0xaf/0xd0
[  224.691168][ T5690] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  224.693234][ T5696]  kobject_add_internal+0xc5/0x2d0
[  224.715724][ T5696]  kobject_init_and_add+0x71/0xa0
[  224.720726][ T5696]  ? lockdep_init_map_type+0x49/0x150
[  224.726079][ T5696]  gfs2_sys_fs_add+0xb4/0x180
[  224.730909][ T5696]  gfs2_fill_super+0x649/0xbe0
[  224.735658][ T5696]  ? vsnprintf+0x112/0x4d0
[  224.740051][ T5696]  ? get_tree_bdev+0xad/0x280
[  224.744704][ T5696]  ? gfs2_reconfigure+0x3c0/0x3c0
[  224.749706][ T5696]  ? snprintf+0x49/0x60
[  224.753928][ T5696]  ? gfs2_reconfigure+0x3c0/0x3c0
[  224.758930][ T5696]  get_tree_bdev+0x178/0x280
[  224.763508][ T5696]  gfs2_get_tree+0x1c/0x90
[  224.767904][ T5696]  vfs_get_tree+0x18/0x70
[  224.772219][ T5696]  ? capable+0x2a/0x50
[  224.776268][ T5696]  path_mount+0x2c2/0xc40
[  224.780579][ T5696]  __x64_sys_mount+0xfe/0x140
[  224.785232][ T5696]  do_syscall_64+0x33/0x80
[  224.789625][ T5696]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  224.795492][ T5696] RIP: 0033:0x7f6fc349890a
[  224.799897][ T5696] 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
[  224.819488][ T5696] RSP: 002b:00007f6fc2f08e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.827966][ T5696] RAX: ffffffffffffffda RBX: 00007f6fc2f08ef0 RCX: 00007f6fc349890a
[  224.836002][ T5696] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6fc2f08eb0
[  224.843973][ T5696] RBP: 0000200000000400 R08: 00007f6fc2f08ef0 R09: 0000000000000000
[  224.852183][ T5696] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  224.860147][ T5696] R13: 00007f6fc2f08eb0 R14: 00000000000125bb R15: 00002000000004c0
[  224.868100][ T5696]  </TASK>
[  224.871118][ T5690] CPU: 0 PID: 5690 Comm: syz.6.586 Not tainted 5.15.189-syzkaller #0
[  224.871183][ T5696] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  224.879269][ T5690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  224.892585][ T5696] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  224.902698][ T5690] Call Trace:
[  224.902704][ T5690]  <TASK>
[  224.902705][ T5690]  dump_stack_lvl+0x41/0x5e
[  224.902714][ T5690]  sysfs_warn_dup.cold+0x17/0x24
[  224.902721][ T5690]  sysfs_create_dir_ns+0xaf/0xd0
[  224.902728][ T5690]  kobject_add_internal+0xc5/0x2d0
[  224.902735][ T5690]  kobject_init_and_add+0x71/0xa0
[  224.902739][ T5690]  ? lockdep_init_map_type+0x49/0x150
[  224.918712][ T5699] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  224.920074][ T5690]  gfs2_sys_fs_add+0xb4/0x180
[  224.920082][ T5690]  gfs2_fill_super+0x649/0xbe0
[  224.920086][ T5690]  ? vsnprintf+0x112/0x4d0
[  224.920092][ T5690]  ? get_tree_bdev+0xad/0x280
[  224.971545][ T5690]  ? gfs2_reconfigure+0x3c0/0x3c0
[  224.976635][ T5690]  ? snprintf+0x49/0x60
[  224.980779][ T5690]  ? gfs2_reconfigure+0x3c0/0x3c0
[  224.985791][ T5690]  get_tree_bdev+0x178/0x280
[  224.990361][ T5690]  gfs2_get_tree+0x1c/0x90
[  224.994771][ T5690]  vfs_get_tree+0x18/0x70
[  224.999089][ T5690]  ? capable+0x2a/0x50
[  225.003144][ T5690]  path_mount+0x2c2/0xc40
[  225.007465][ T5690]  __x64_sys_mount+0xfe/0x140
[  225.012137][ T5690]  do_syscall_64+0x33/0x80
[  225.016539][ T5690]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  225.022506][ T5690] RIP: 0033:0x7fe89946b90a
[  225.026902][ T5690] 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
[  225.046518][ T5690] RSP: 002b:00007fe898edbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.055081][ T5690] RAX: ffffffffffffffda RBX: 00007fe898edbef0 RCX: 00007fe89946b90a
[  225.063123][ T5690] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fe898edbeb0
[  225.071081][ T5690] RBP: 0000200000000400 R08: 00007fe898edbef0 R09: 0000000000000000
[  225.079158][ T5690] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  225.087123][ T5690] R13: 00007fe898edbeb0 R14: 00000000000125bb R15: 00002000000004c0
[  225.095170][ T5690]  </TASK>
[  225.098197][ T5699] CPU: 1 PID: 5699 Comm: syz.8.590 Not tainted 5.15.189-syzkaller #0
[  225.098277][ T5690] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  225.106255][ T5699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  225.106258][ T5699] Call Trace:
[  225.106262][ T5699]  <TASK>
[  225.106263][ T5699]  dump_stack_lvl+0x41/0x5e
[  225.119350][ T5690] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.129383][ T5699]  sysfs_warn_dup.cold+0x17/0x24
[  225.129390][ T5699]  sysfs_create_dir_ns+0xaf/0xd0
[  225.156640][ T5699]  kobject_add_internal+0xc5/0x2d0
[  225.161749][ T5699]  kobject_init_and_add+0x71/0xa0
[  225.166774][ T5699]  ? lockdep_init_map_type+0x49/0x150
[  225.172130][ T5699]  gfs2_sys_fs_add+0xb4/0x180
[  225.176789][ T5699]  gfs2_fill_super+0x649/0xbe0
[  225.181529][ T5699]  ? vsnprintf+0x112/0x4d0
[  225.185923][ T5699]  ? get_tree_bdev+0xad/0x280
[  225.190581][ T5699]  ? gfs2_reconfigure+0x3c0/0x3c0
[  225.195586][ T5699]  ? snprintf+0x49/0x60
[  225.199850][ T5699]  ? gfs2_reconfigure+0x3c0/0x3c0
[  225.204918][ T5699]  get_tree_bdev+0x178/0x280
[  225.209512][ T5699]  gfs2_get_tree+0x1c/0x90
[  225.213914][ T5699]  vfs_get_tree+0x18/0x70
[  225.218230][ T5699]  ? capable+0x2a/0x50
[  225.222305][ T5699]  path_mount+0x2c2/0xc40
[  225.226625][ T5699]  __x64_sys_mount+0xfe/0x140
[  225.231285][ T5699]  do_syscall_64+0x33/0x80
[  225.235690][ T5699]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  225.241572][ T5699] RIP: 0033:0x7f0c80afa90a
[  225.245981][ 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
[  225.265654][ T5699] RSP: 002b:00007f0c80549e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.274089][ T5699] RAX: ffffffffffffffda RBX: 00007f0c80549ef0 RCX: 00007f0c80afa90a
[  225.282046][ T5699] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0c80549eb0
[  225.289996][ T5699] RBP: 0000200000000400 R08: 00007f0c80549ef0 R09: 0000000000000000
[  225.297952][ T5699] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  225.305904][ T5699] R13: 00007f0c80549eb0 R14: 00000000000125bb R15: 00002000000004c0
[  225.313948][ T5699]  </TASK>
[  225.317028][ T5699] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  225.330159][ T5699] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.428287][ T5702] loop5: detected capacity change from 0 to 32768
[  225.438881][ T5702] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  225.446315][ T5702] CPU: 1 PID: 5702 Comm: syz.5.592 Not tainted 5.15.189-syzkaller #0
[  225.454372][ T5702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  225.464422][ T5702] Call Trace:
[  225.467703][ T5702]  <TASK>
[  225.470643][ T5702]  dump_stack_lvl+0x41/0x5e
[  225.475137][ T5702]  sysfs_warn_dup.cold+0x17/0x24
[  225.480068][ T5702]  sysfs_create_dir_ns+0xaf/0xd0
[  225.485007][ T5702]  kobject_add_internal+0xc5/0x2d0
[  225.490112][ T5702]  kobject_init_and_add+0x71/0xa0
[  225.495126][ T5702]  ? lockdep_init_map_type+0x49/0x150
[  225.500490][ T5702]  gfs2_sys_fs_add+0xb4/0x180
[  225.505163][ T5702]  gfs2_fill_super+0x649/0xbe0
[  225.509929][ T5702]  ? vsnprintf+0x112/0x4d0
[  225.514341][ T5702]  ? get_tree_bdev+0xad/0x280
[  225.519013][ T5702]  ? gfs2_reconfigure+0x3c0/0x3c0
[  225.524106][ T5702]  ? snprintf+0x49/0x60
[  225.528252][ T5702]  ? gfs2_reconfigure+0x3c0/0x3c0
[  225.528923][ T5704] loop4: detected capacity change from 0 to 32768
[  225.533262][ T5702]  get_tree_bdev+0x178/0x280
[  225.533268][ T5702]  gfs2_get_tree+0x1c/0x90
[  225.533271][ T5702]  vfs_get_tree+0x18/0x70
[  225.533274][ T5702]  ? capable+0x2a/0x50
[  225.533279][ T5702]  path_mount+0x2c2/0xc40
[  225.533284][ T5702]  __x64_sys_mount+0xfe/0x140
[  225.533288][ T5702]  do_syscall_64+0x33/0x80
[  225.533295][ T5702]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  225.576333][ T5702] RIP: 0033:0x7f0c72af990a
[  225.580742][ T5702] 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
[  225.600514][ T5702] RSP: 002b:00007f0c72569e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.608910][ T5702] RAX: ffffffffffffffda RBX: 00007f0c72569ef0 RCX: 00007f0c72af990a
[  225.616863][ T5702] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0c72569eb0
[  225.624820][ T5702] RBP: 0000200000000400 R08: 00007f0c72569ef0 R09: 0000000000000000
[  225.632775][ T5702] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  225.640726][ T5702] R13: 00007f0c72569eb0 R14: 00000000000125bb R15: 00002000000004c0
[  225.648680][ T5702]  </TASK>
[  225.651835][ T5702] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  225.665042][ T5702] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.700021][ T5704] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  225.707445][ T5704] CPU: 0 PID: 5704 Comm: syz.4.593 Not tainted 5.15.189-syzkaller #0
[  225.715507][ T5704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  225.722726][ T5706] loop6: detected capacity change from 0 to 32768
[  225.725555][ T5704] Call Trace:
[  225.735237][ T5704]  <TASK>
[  225.738166][ T5704]  dump_stack_lvl+0x41/0x5e
[  225.742933][ T5704]  sysfs_warn_dup.cold+0x17/0x24
[  225.747864][ T5704]  sysfs_create_dir_ns+0xaf/0xd0
[  225.752797][ T5704]  kobject_add_internal+0xc5/0x2d0
[  225.757913][ T5704]  kobject_init_and_add+0x71/0xa0
[  225.762933][ T5704]  ? lockdep_init_map_type+0x49/0x150
[  225.768307][ T5704]  gfs2_sys_fs_add+0xb4/0x180
[  225.772989][ T5704]  gfs2_fill_super+0x649/0xbe0
[  225.778052][ T5704]  ? vsnprintf+0x112/0x4d0
[  225.782465][ T5704]  ? get_tree_bdev+0xad/0x280
[  225.787091][ T5709] loop7: detected capacity change from 0 to 32768
[  225.787136][ T5704]  ? gfs2_reconfigure+0x3c0/0x3c0
[  225.798553][ T5704]  ? snprintf+0x49/0x60
[  225.802717][ T5704]  ? gfs2_reconfigure+0x3c0/0x3c0
[  225.807828][ T5704]  get_tree_bdev+0x178/0x280
[  225.812418][ T5704]  gfs2_get_tree+0x1c/0x90
[  225.816823][ T5704]  vfs_get_tree+0x18/0x70
[  225.821227][ T5704]  ? capable+0x2a/0x50
[  225.825288][ T5704]  path_mount+0x2c2/0xc40
[  225.829609][ T5704]  __x64_sys_mount+0xfe/0x140
[  225.834273][ T5704]  do_syscall_64+0x33/0x80
[  225.838682][ T5704]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  225.844573][ T5704] RIP: 0033:0x7ffa7f46790a
[  225.848978][ T5704] 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
[  225.868577][ T5704] RSP: 002b:00007ffa7eed7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.876986][ T5704] RAX: ffffffffffffffda RBX: 00007ffa7eed7ef0 RCX: 00007ffa7f46790a
[  225.884960][ T5704] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffa7eed7eb0
[  225.890158][ T5711] loop8: detected capacity change from 0 to 32768
[  225.892934][ T5704] RBP: 0000200000000400 R08: 00007ffa7eed7ef0 R09: 0000000000000000
[  225.907298][ T5704] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  225.915277][ T5704] R13: 00007ffa7eed7eb0 R14: 00000000000125bb R15: 00002000000004c0
[  225.923318][ T5704]  </TASK>
[  225.926378][ T5704] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  225.939473][ T5704] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.960975][ T5706] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  225.968372][ T5706] CPU: 1 PID: 5706 Comm: syz.6.594 Not tainted 5.15.189-syzkaller #0
[  225.976426][ T5706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  225.986504][ T5706] Call Trace:
[  225.989769][ T5706]  <TASK>
[  225.992696][ T5706]  dump_stack_lvl+0x41/0x5e
[  225.997197][ T5706]  sysfs_warn_dup.cold+0x17/0x24
[  226.002305][ T5706]  sysfs_create_dir_ns+0xaf/0xd0
[  226.007221][ T5706]  kobject_add_internal+0xc5/0x2d0
[  226.012313][ T5706]  kobject_init_and_add+0x71/0xa0
[  226.017321][ T5706]  ? lockdep_init_map_type+0x49/0x150
[  226.022668][ T5706]  gfs2_sys_fs_add+0xb4/0x180
[  226.027320][ T5706]  gfs2_fill_super+0x649/0xbe0
[  226.032381][ T5706]  ? vsnprintf+0x112/0x4d0
[  226.036783][ T5706]  ? get_tree_bdev+0xad/0x280
[  226.041439][ T5706]  ? gfs2_reconfigure+0x3c0/0x3c0
[  226.046436][ T5706]  ? snprintf+0x49/0x60
[  226.050570][ T5706]  ? gfs2_reconfigure+0x3c0/0x3c0
[  226.055572][ T5706]  get_tree_bdev+0x178/0x280
[  226.060139][ T5706]  gfs2_get_tree+0x1c/0x90
[  226.064626][ T5706]  vfs_get_tree+0x18/0x70
[  226.068930][ T5706]  ? capable+0x2a/0x50
[  226.072983][ T5706]  path_mount+0x2c2/0xc40
[  226.077306][ T5706]  __x64_sys_mount+0xfe/0x140
[  226.081958][ T5706]  do_syscall_64+0x33/0x80
[  226.086365][ T5706]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  226.092236][ T5706] RIP: 0033:0x7fe89946b90a
[  226.096627][ T5706] 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
[  226.116235][ T5706] RSP: 002b:00007fe898edbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.124712][ T5706] RAX: ffffffffffffffda RBX: 00007fe898edbef0 RCX: 00007fe89946b90a
[  226.132768][ T5706] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fe898edbeb0
[  226.140715][ T5706] RBP: 0000200000000400 R08: 00007fe898edbef0 R09: 0000000000000000
[  226.148663][ T5706] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  226.156612][ T5706] R13: 00007fe898edbeb0 R14: 00000000000125bb R15: 00002000000004c0
[  226.164666][ T5706]  </TASK>
[  226.167754][ T5706] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.171864][ T5711] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.180875][ T5706] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  226.181597][ T5709] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.188267][ T5711] CPU: 0 PID: 5711 Comm: syz.8.595 Not tainted 5.15.189-syzkaller #0
[  226.210152][ T5711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  226.220282][ T5711] Call Trace:
[  226.223547][ T5711]  <TASK>
[  226.226464][ T5711]  dump_stack_lvl+0x41/0x5e
[  226.230962][ T5711]  sysfs_warn_dup.cold+0x17/0x24
[  226.235881][ T5711]  sysfs_create_dir_ns+0xaf/0xd0
[  226.240804][ T5711]  kobject_add_internal+0xc5/0x2d0
[  226.245893][ T5711]  kobject_init_and_add+0x71/0xa0
[  226.250895][ T5711]  ? lockdep_init_map_type+0x49/0x150
[  226.256261][ T5711]  gfs2_sys_fs_add+0xb4/0x180
[  226.260917][ T5711]  gfs2_fill_super+0x649/0xbe0
[  226.265662][ T5711]  ? vsnprintf+0x112/0x4d0
[  226.270057][ T5711]  ? get_tree_bdev+0xad/0x280
[  226.274732][ T5711]  ? gfs2_reconfigure+0x3c0/0x3c0
[  226.279737][ T5711]  ? snprintf+0x49/0x60
[  226.283978][ T5711]  ? gfs2_reconfigure+0x3c0/0x3c0
[  226.289065][ T5711]  get_tree_bdev+0x178/0x280
[  226.293631][ T5711]  gfs2_get_tree+0x1c/0x90
[  226.298029][ T5711]  vfs_get_tree+0x18/0x70
[  226.302336][ T5711]  ? capable+0x2a/0x50
[  226.306392][ T5711]  path_mount+0x2c2/0xc40
[  226.310701][ T5711]  __x64_sys_mount+0xfe/0x140
[  226.315354][ T5711]  do_syscall_64+0x33/0x80
[  226.319764][ T5711]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  226.325637][ T5711] RIP: 0033:0x7f0c80afa90a
[  226.330031][ 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
[  226.349615][ T5711] RSP: 002b:00007f0c8056ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.358006][ T5711] RAX: ffffffffffffffda RBX: 00007f0c8056aef0 RCX: 00007f0c80afa90a
[  226.365963][ T5711] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0c8056aeb0
[  226.373918][ T5711] RBP: 0000200000000400 R08: 00007f0c8056aef0 R09: 0000000000000000
[  226.381878][ T5711] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  226.389830][ T5711] R13: 00007f0c8056aeb0 R14: 00000000000125bb R15: 00002000000004c0
[  226.397812][ T5711]  </TASK>
[  226.400818][ T5709] CPU: 1 PID: 5709 Comm: syz.7.591 Not tainted 5.15.189-syzkaller #0
[  226.400858][ T5711] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.408870][ T5709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  226.421955][ T5711] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  226.432070][ T5709] Call Trace:
[  226.432072][ T5709]  <TASK>
[  226.432074][ T5709]  dump_stack_lvl+0x41/0x5e
[  226.449290][ T5709]  sysfs_warn_dup.cold+0x17/0x24
[  226.454313][ T5709]  sysfs_create_dir_ns+0xaf/0xd0
[  226.459262][ T5709]  kobject_add_internal+0xc5/0x2d0
[  226.464369][ T5709]  kobject_init_and_add+0x71/0xa0
[  226.469391][ T5709]  ? lockdep_init_map_type+0x49/0x150
[  226.474766][ T5709]  gfs2_sys_fs_add+0xb4/0x180
[  226.479440][ T5709]  gfs2_fill_super+0x649/0xbe0
[  226.484200][ T5709]  ? vsnprintf+0x112/0x4d0
[  226.488614][ T5709]  ? get_tree_bdev+0xad/0x280
[  226.493292][ T5709]  ? gfs2_reconfigure+0x3c0/0x3c0
[  226.498311][ T5709]  ? snprintf+0x49/0x60
[  226.502570][ T5709]  ? gfs2_reconfigure+0x3c0/0x3c0
[  226.507592][ T5709]  get_tree_bdev+0x178/0x280
[  226.512191][ T5709]  gfs2_get_tree+0x1c/0x90
[  226.516601][ T5709]  vfs_get_tree+0x18/0x70
[  226.520935][ T5709]  ? capable+0x2a/0x50
[  226.525002][ T5709]  path_mount+0x2c2/0xc40
[  226.529325][ T5709]  __x64_sys_mount+0xfe/0x140
[  226.534078][ T5709]  do_syscall_64+0x33/0x80
[  226.538485][ T5709]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  226.544387][ T5709] RIP: 0033:0x7f6fc349890a
[  226.548792][ T5709] 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
[  226.568400][ T5709] RSP: 002b:00007f6fc2ec6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.576906][ T5709] RAX: ffffffffffffffda RBX: 00007f6fc2ec6ef0 RCX: 00007f6fc349890a
[  226.584883][ T5709] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6fc2ec6eb0
[  226.593033][ T5709] RBP: 0000200000000400 R08: 00007f6fc2ec6ef0 R09: 0000000000000000
[  226.601013][ T5709] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  226.608990][ T5709] R13: 00007f6fc2ec6eb0 R14: 00000000000125bb R15: 00002000000004c0
[  226.616978][ T5709]  </TASK>
[  226.620107][ T5709] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.633218][ T5709] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  226.673788][ T5715] loop8: detected capacity change from 0 to 32768
[  226.720315][ T5714] loop5: detected capacity change from 0 to 32768
[  226.780861][ T5715] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.787101][ T5714] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.788265][ T5715] CPU: 0 PID: 5715 Comm: syz.8.596 Not tainted 5.15.189-syzkaller #0
[  226.803773][ T5715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  226.813835][ T5715] Call Trace:
[  226.817102][ T5715]  <TASK>
[  226.820020][ T5715]  dump_stack_lvl+0x41/0x5e
[  226.824595][ T5715]  sysfs_warn_dup.cold+0x17/0x24
[  226.829568][ T5715]  sysfs_create_dir_ns+0xaf/0xd0
[  226.834492][ T5715]  kobject_add_internal+0xc5/0x2d0
[  226.839585][ T5715]  kobject_init_and_add+0x71/0xa0
[  226.844589][ T5715]  ? lockdep_init_map_type+0x49/0x150
[  226.849941][ T5715]  gfs2_sys_fs_add+0xb4/0x180
[  226.854603][ T5715]  gfs2_fill_super+0x649/0xbe0
[  226.859343][ T5715]  ? vsnprintf+0x112/0x4d0
[  226.863739][ T5715]  ? get_tree_bdev+0xad/0x280
[  226.868398][ T5715]  ? gfs2_reconfigure+0x3c0/0x3c0
[  226.873404][ T5715]  ? snprintf+0x49/0x60
[  226.877567][ T5715]  ? gfs2_reconfigure+0x3c0/0x3c0
[  226.882594][ T5715]  get_tree_bdev+0x178/0x280
[  226.887164][ T5715]  gfs2_get_tree+0x1c/0x90
[  226.891556][ T5715]  vfs_get_tree+0x18/0x70
[  226.895862][ T5715]  ? capable+0x2a/0x50
[  226.899910][ T5715]  path_mount+0x2c2/0xc40
[  226.904218][ T5715]  __x64_sys_mount+0xfe/0x140
[  226.908887][ T5715]  do_syscall_64+0x33/0x80
[  226.913285][ T5715]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  226.919242][ T5715] RIP: 0033:0x7f0c80afa90a
[  226.923641][ 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
[  226.943383][ T5715] RSP: 002b:00007f0c8056ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.951809][ T5715] RAX: ffffffffffffffda RBX: 00007f0c8056aef0 RCX: 00007f0c80afa90a
[  226.959773][ T5715] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0c8056aeb0
[  226.967727][ T5715] RBP: 0000200000000400 R08: 00007f0c8056aef0 R09: 0000000000000000
[  226.975771][ T5715] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  226.983728][ T5715] R13: 00007f0c8056aeb0 R14: 00000000000125bb R15: 00002000000004c0
[  226.991685][ T5715]  </TASK>
[  226.994691][ T5714] CPU: 1 PID: 5714 Comm: syz.5.597 Not tainted 5.15.189-syzkaller #0
[  226.994779][ T5715] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.002750][ T5714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  227.002753][ T5714] Call Trace:
[  227.002758][ T5714]  <TASK>
[  227.002760][ T5714]  dump_stack_lvl+0x41/0x5e
[  227.015850][ T5715] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  227.025891][ T5714]  sysfs_warn_dup.cold+0x17/0x24
[  227.025897][ T5714]  sysfs_create_dir_ns+0xaf/0xd0
[  227.053031][ T5714]  kobject_add_internal+0xc5/0x2d0
[  227.058247][ T5714]  kobject_init_and_add+0x71/0xa0
[  227.063279][ T5714]  ? lockdep_init_map_type+0x49/0x150
[  227.068652][ T5714]  gfs2_sys_fs_add+0xb4/0x180
[  227.071542][ T5718] loop6: detected capacity change from 0 to 32768
[  227.073328][ T5714]  gfs2_fill_super+0x649/0xbe0
[  227.084486][ T5714]  ? vsnprintf+0x112/0x4d0
[  227.088898][ T5714]  ? get_tree_bdev+0xad/0x280
[  227.093575][ T5714]  ? gfs2_reconfigure+0x3c0/0x3c0
[  227.098608][ T5714]  ? snprintf+0x49/0x60
[  227.102761][ T5714]  ? gfs2_reconfigure+0x3c0/0x3c0
[  227.107780][ T5714]  get_tree_bdev+0x178/0x280
[  227.112457][ T5714]  gfs2_get_tree+0x1c/0x90
[  227.116875][ T5714]  vfs_get_tree+0x18/0x70
[  227.121210][ T5714]  ? capable+0x2a/0x50
[  227.125281][ T5714]  path_mount+0x2c2/0xc40
[  227.129609][ T5714]  __x64_sys_mount+0xfe/0x140
[  227.134287][ T5714]  do_syscall_64+0x33/0x80
[  227.138802][ T5714]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  227.144705][ T5714] RIP: 0033:0x7f0c72af990a
[  227.147718][ T5720] loop4: detected capacity change from 0 to 32768
[  227.149118][ T5714] 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
[  227.149122][ T5714] RSP: 002b:00007f0c72569e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.149127][ T5714] RAX: ffffffffffffffda RBX: 00007f0c72569ef0 RCX: 00007f0c72af990a
[  227.149129][ T5714] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0c72569eb0
[  227.149132][ T5714] RBP: 0000200000000400 R08: 00007f0c72569ef0 R09: 0000000000000000
[  227.149134][ T5714] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  227.149136][ T5714] R13: 00007f0c72569eb0 R14: 00000000000125bb R15: 00002000000004c0
[  227.149140][ T5714]  </TASK>
[  227.149198][ T5714] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.214353][ T5722] loop7: detected capacity change from 0 to 32768
[  227.215643][ T5714] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  227.290949][ T5720] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  227.294495][ T5718] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  227.298614][ T5720] CPU: 0 PID: 5720 Comm: syz.4.599 Not tainted 5.15.189-syzkaller #0
[  227.314111][ T5720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  227.324144][ T5720] Call Trace:
[  227.327407][ T5720]  <TASK>
[  227.330326][ T5720]  dump_stack_lvl+0x41/0x5e
[  227.334808][ T5720]  sysfs_warn_dup.cold+0x17/0x24
[  227.339722][ T5720]  sysfs_create_dir_ns+0xaf/0xd0
[  227.344652][ T5720]  kobject_add_internal+0xc5/0x2d0
[  227.349743][ T5720]  kobject_init_and_add+0x71/0xa0
[  227.354791][ T5720]  ? lockdep_init_map_type+0x49/0x150
[  227.360142][ T5720]  gfs2_sys_fs_add+0xb4/0x180
[  227.364797][ T5720]  gfs2_fill_super+0x649/0xbe0
[  227.369549][ T5720]  ? vsnprintf+0x112/0x4d0
[  227.373943][ T5720]  ? get_tree_bdev+0xad/0x280
[  227.378596][ T5720]  ? gfs2_reconfigure+0x3c0/0x3c0
[  227.383618][ T5720]  ? snprintf+0x49/0x60
[  227.387852][ T5720]  ? gfs2_reconfigure+0x3c0/0x3c0
[  227.392856][ T5720]  get_tree_bdev+0x178/0x280
[  227.397431][ T5720]  gfs2_get_tree+0x1c/0x90
[  227.401827][ T5720]  vfs_get_tree+0x18/0x70
[  227.406133][ T5720]  ? capable+0x2a/0x50
[  227.410176][ T5720]  path_mount+0x2c2/0xc40
[  227.414481][ T5720]  __x64_sys_mount+0xfe/0x140
[  227.419134][ T5720]  do_syscall_64+0x33/0x80
[  227.423641][ T5720]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  227.429514][ T5720] RIP: 0033:0x7ffa7f46790a
[  227.434004][ T5720] 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
[  227.453588][ T5720] RSP: 002b:00007ffa7eed7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.461981][ T5720] RAX: ffffffffffffffda RBX: 00007ffa7eed7ef0 RCX: 00007ffa7f46790a
[  227.469954][ T5720] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffa7eed7eb0
[  227.477906][ T5720] RBP: 0000200000000400 R08: 00007ffa7eed7ef0 R09: 0000000000000000
[  227.485862][ T5720] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  227.493818][ T5720] R13: 00007ffa7eed7eb0 R14: 00000000000125bb R15: 00002000000004c0
[  227.501771][ T5720]  </TASK>
[  227.504776][ T5718] CPU: 1 PID: 5718 Comm: syz.6.598 Not tainted 5.15.189-syzkaller #0
[  227.504874][ T5720] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.512837][ T5718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  227.512840][ T5718] Call Trace:
[  227.512843][ T5718]  <TASK>
[  227.512844][ T5718]  dump_stack_lvl+0x41/0x5e
[  227.525933][ T5720] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  227.536049][ T5718]  sysfs_warn_dup.cold+0x17/0x24
[  227.536056][ T5718]  sysfs_create_dir_ns+0xaf/0xd0
[  227.539907][ T5722] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  227.542253][ T5718]  kobject_add_internal+0xc5/0x2d0
[  227.575546][ T5718]  kobject_init_and_add+0x71/0xa0
[  227.580557][ T5718]  ? lockdep_init_map_type+0x49/0x150
[  227.585906][ T5718]  gfs2_sys_fs_add+0xb4/0x180
[  227.590563][ T5718]  gfs2_fill_super+0x649/0xbe0
[  227.595306][ T5718]  ? vsnprintf+0x112/0x4d0
[  227.599710][ T5718]  ? get_tree_bdev+0xad/0x280
[  227.604380][ T5718]  ? gfs2_reconfigure+0x3c0/0x3c0
[  227.609383][ T5718]  ? snprintf+0x49/0x60
[  227.613689][ T5718]  ? gfs2_reconfigure+0x3c0/0x3c0
[  227.618688][ T5718]  get_tree_bdev+0x178/0x280
[  227.623254][ T5718]  gfs2_get_tree+0x1c/0x90
[  227.627646][ T5718]  vfs_get_tree+0x18/0x70
[  227.631950][ T5718]  ? capable+0x2a/0x50
[  227.636000][ T5718]  path_mount+0x2c2/0xc40
[  227.640309][ T5718]  __x64_sys_mount+0xfe/0x140
[  227.644965][ T5718]  do_syscall_64+0x33/0x80
[  227.649360][ T5718]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  227.655238][ T5718] RIP: 0033:0x7fe89946b90a
[  227.659635][ T5718] 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
[  227.679219][ T5718] RSP: 002b:00007fe898edbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.687610][ T5718] RAX: ffffffffffffffda RBX: 00007fe898edbef0 RCX: 00007fe89946b90a
[  227.695574][ T5718] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fe898edbeb0
[  227.703617][ T5718] RBP: 0000200000000400 R08: 00007fe898edbef0 R09: 0000000000000000
[  227.711578][ T5718] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  227.719530][ T5718] R13: 00007fe898edbeb0 R14: 00000000000125bb R15: 00002000000004c0
[  227.727491][ T5718]  </TASK>
[  227.730585][ T5722] CPU: 0 PID: 5722 Comm: syz.7.600 Not tainted 5.15.189-syzkaller #0
[  227.730671][ T5718] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.738641][ T5722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  227.751736][ T5718] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  227.761756][ T5722] Call Trace:
[  227.761760][ T5722]  <TASK>
[  227.761761][ T5722]  dump_stack_lvl+0x41/0x5e
[  227.761770][ T5722]  sysfs_warn_dup.cold+0x17/0x24
[  227.783866][ T5722]  sysfs_create_dir_ns+0xaf/0xd0
[  227.788804][ T5722]  kobject_add_internal+0xc5/0x2d0
[  227.793912][ T5722]  kobject_init_and_add+0x71/0xa0
[  227.798942][ T5722]  ? lockdep_init_map_type+0x49/0x150
[  227.804312][ T5722]  gfs2_sys_fs_add+0xb4/0x180
[  227.808986][ T5722]  gfs2_fill_super+0x649/0xbe0
[  227.813747][ T5722]  ? vsnprintf+0x112/0x4d0
[  227.818161][ T5722]  ? get_tree_bdev+0xad/0x280
[  227.822830][ T5722]  ? gfs2_reconfigure+0x3c0/0x3c0
[  227.827849][ T5722]  ? snprintf+0x49/0x60
[  227.832524][ T5722]  ? gfs2_reconfigure+0x3c0/0x3c0
[  227.837546][ T5722]  get_tree_bdev+0x178/0x280
2025/07/27 01:48:19 executed programs: 595
[  227.842132][ T5722]  gfs2_get_tree+0x1c/0x90
[  227.846544][ T5722]  vfs_get_tree+0x18/0x70
[  227.850869][ T5722]  ? capable+0x2a/0x50
[  227.854938][ T5722]  path_mount+0x2c2/0xc40
[  227.859258][ T5722]  __x64_sys_mount+0xfe/0x140
[  227.863929][ T5722]  do_syscall_64+0x33/0x80
[  227.868775][ T5722]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  227.874669][ T5722] RIP: 0033:0x7f6fc349890a
[  227.879079][ T5722] 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
[  227.898683][ T5722] RSP: 002b:00007f6fc2f08e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.907109][ T5722] RAX: ffffffffffffffda RBX: 00007f6fc2f08ef0 RCX: 00007f6fc349890a
[  227.915066][ T5722] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6fc2f08eb0
[  227.923130][ T5722] RBP: 0000200000000400 R08: 00007f6fc2f08ef0 R09: 0000000000000000
[  227.931085][ T5722] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  227.939036][ T5722] R13: 00007f6fc2f08eb0 R14: 00000000000125bb R15: 00002000000004c0
[  227.946993][ T5722]  </TASK>
[  227.950087][ T5722] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.963183][ T5722] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  228.019722][ T5724] loop6: detected capacity change from 0 to 32768
[  228.066967][ T5724] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.074385][ T5724] CPU: 1 PID: 5724 Comm: syz.6.601 Not tainted 5.15.189-syzkaller #0
[  228.082453][ T5724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  228.092518][ T5724] Call Trace:
[  228.095819][ T5724]  <TASK>
[  228.098750][ T5724]  dump_stack_lvl+0x41/0x5e
[  228.103250][ T5724]  sysfs_warn_dup.cold+0x17/0x24
[  228.108180][ T5724]  sysfs_create_dir_ns+0xaf/0xd0
[  228.113109][ T5724]  kobject_add_internal+0xc5/0x2d0
[  228.118209][ T5724]  kobject_init_and_add+0x71/0xa0
[  228.123228][ T5724]  ? lockdep_init_map_type+0x49/0x150
[  228.128609][ T5724]  gfs2_sys_fs_add+0xb4/0x180
[  228.133299][ T5724]  gfs2_fill_super+0x649/0xbe0
[  228.138063][ T5724]  ? vsnprintf+0x112/0x4d0
[  228.142468][ T5724]  ? get_tree_bdev+0xad/0x280
[  228.147230][ T5724]  ? gfs2_reconfigure+0x3c0/0x3c0
[  228.152682][ T5724]  ? snprintf+0x49/0x60
[  228.156930][ T5724]  ? gfs2_reconfigure+0x3c0/0x3c0
[  228.161947][ T5724]  get_tree_bdev+0x178/0x280
[  228.166531][ T5724]  gfs2_get_tree+0x1c/0x90
[  228.170942][ T5724]  vfs_get_tree+0x18/0x70
[  228.175275][ T5724]  ? capable+0x2a/0x50
[  228.179429][ T5724]  path_mount+0x2c2/0xc40
[  228.183756][ T5724]  __x64_sys_mount+0xfe/0x140
[  228.188433][ T5724]  do_syscall_64+0x33/0x80
[  228.192849][ T5724]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  228.198735][ T5724] RIP: 0033:0x7fe89946b90a
[  228.203145][ T5724] 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
[  228.222766][ T5724] RSP: 002b:00007fe898edbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  228.228386][ T5726] loop8: detected capacity change from 0 to 32768
[  228.231166][ T5724] RAX: ffffffffffffffda RBX: 00007fe898edbef0 RCX: 00007fe89946b90a
[  228.231170][ T5724] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fe898edbeb0
[  228.231172][ T5724] RBP: 0000200000000400 R08: 00007fe898edbef0 R09: 0000000000000000
[  228.231175][ T5724] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  228.231177][ T5724] R13: 00007fe898edbeb0 R14: 00000000000125bb R15: 00002000000004c0
[  228.231181][ T5724]  </TASK>
[  228.231281][ T5724] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  228.293518][ T5728] loop5: detected capacity change from 0 to 32768
[  228.293902][ T5724] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  228.323996][ T5728] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.331405][ T5728] CPU: 0 PID: 5728 Comm: syz.5.603 Not tainted 5.15.189-syzkaller #0
[  228.339463][ T5728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  228.349527][ T5728] Call Trace:
[  228.352805][ T5728]  <TASK>
[  228.355728][ T5728]  dump_stack_lvl+0x41/0x5e
[  228.360243][ T5728]  sysfs_warn_dup.cold+0x17/0x24
[  228.365259][ T5728]  sysfs_create_dir_ns+0xaf/0xd0
[  228.370192][ T5728]  kobject_add_internal+0xc5/0x2d0
[  228.375299][ T5728]  kobject_init_and_add+0x71/0xa0
[  228.380314][ T5728]  ? lockdep_init_map_type+0x49/0x150
[  228.385685][ T5728]  gfs2_sys_fs_add+0xb4/0x180
[  228.389678][ T5726] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.390355][ T5728]  gfs2_fill_super+0x649/0xbe0
[  228.402461][ T5728]  ? vsnprintf+0x112/0x4d0
[  228.406857][ T5728]  ? get_tree_bdev+0xad/0x280
[  228.411512][ T5728]  ? gfs2_reconfigure+0x3c0/0x3c0
[  228.416511][ T5728]  ? snprintf+0x49/0x60
[  228.420644][ T5728]  ? gfs2_reconfigure+0x3c0/0x3c0
[  228.425652][ T5728]  get_tree_bdev+0x178/0x280
[  228.430241][ T5728]  gfs2_get_tree+0x1c/0x90
[  228.434636][ T5728]  vfs_get_tree+0x18/0x70
[  228.438944][ T5728]  ? capable+0x2a/0x50
[  228.442994][ T5728]  path_mount+0x2c2/0xc40
[  228.447303][ T5728]  __x64_sys_mount+0xfe/0x140
[  228.451958][ T5728]  do_syscall_64+0x33/0x80
[  228.456363][ T5728]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  228.462231][ T5728] RIP: 0033:0x7f0c72af990a
[  228.466628][ T5728] 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
[  228.486212][ T5728] RSP: 002b:00007f0c72569e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  228.494597][ T5728] RAX: ffffffffffffffda RBX: 00007f0c72569ef0 RCX: 00007f0c72af990a
[  228.502544][ T5728] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0c72569eb0
[  228.510500][ T5728] RBP: 0000200000000400 R08: 00007f0c72569ef0 R09: 0000000000000000
[  228.518453][ T5728] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  228.526406][ T5728] R13: 00007f0c72569eb0 R14: 00000000000125bb R15: 00002000000004c0
[  228.534358][ T5728]  </TASK>
[  228.537363][ T5726] CPU: 1 PID: 5726 Comm: syz.8.602 Not tainted 5.15.189-syzkaller #0
[  228.537451][ T5728] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  228.545420][ T5726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  228.545423][ T5726] Call Trace:
[  228.545426][ T5726]  <TASK>
[  228.545427][ T5726]  dump_stack_lvl+0x41/0x5e
[  228.558514][ T5728] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  228.568546][ T5726]  sysfs_warn_dup.cold+0x17/0x24
[  228.568552][ T5726]  sysfs_create_dir_ns+0xaf/0xd0
[  228.595620][ T5726]  kobject_add_internal+0xc5/0x2d0
[  228.600721][ T5726]  kobject_init_and_add+0x71/0xa0
[  228.605728][ T5726]  ? lockdep_init_map_type+0x49/0x150
[  228.611083][ T5726]  gfs2_sys_fs_add+0xb4/0x180
[  228.615743][ T5726]  gfs2_fill_super+0x649/0xbe0
[  228.620487][ T5726]  ? vsnprintf+0x112/0x4d0
[  228.624881][ T5726]  ? get_tree_bdev+0xad/0x280
[  228.629538][ T5726]  ? gfs2_reconfigure+0x3c0/0x3c0
[  228.634540][ T5726]  ? snprintf+0x49/0x60
[  228.638681][ T5726]  ? gfs2_reconfigure+0x3c0/0x3c0
[  228.643687][ T5726]  get_tree_bdev+0x178/0x280
[  228.648300][ T5726]  gfs2_get_tree+0x1c/0x90
[  228.652705][ T5726]  vfs_get_tree+0x18/0x70
[  228.657015][ T5726]  ? capable+0x2a/0x50
[  228.661072][ T5726]  path_mount+0x2c2/0xc40
[  228.665380][ T5726]  __x64_sys_mount+0xfe/0x140
[  228.670033][ T5726]  do_syscall_64+0x33/0x80
[  228.674431][ T5726]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  228.680314][ T5726] RIP: 0033:0x7f0c80afa90a
[  228.684809][ T5726] 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
[  228.704398][ T5726] RSP: 002b:00007f0c8056ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  228.712912][ T5726] RAX: ffffffffffffffda RBX: 00007f0c8056aef0 RCX: 00007f0c80afa90a
[  228.720862][ T5726] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0c8056aeb0
[  228.728813][ T5726] RBP: 0000200000000400 R08: 00007f0c8056aef0 R09: 0000000000000000
[  228.736798][ T5726] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  228.744840][ T5726] R13: 00007f0c8056aeb0 R14: 00000000000125bb R15: 00002000000004c0
[  228.752803][ T5726]  </TASK>
[  228.755863][ T5726] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  228.769076][ T5726] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  228.776236][ T5732] loop7: detected capacity change from 0 to 32768
[  228.822017][ T5731] loop4: detected capacity change from 0 to 32768
[  228.876512][ T5732] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.876512][ T5731] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.876518][ T5731] CPU: 1 PID: 5731 Comm: syz.4.605 Not tainted 5.15.189-syzkaller #0
[  228.899297][ T5731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  228.909334][ T5731] Call Trace:
[  228.912598][ T5731]  <TASK>
[  228.915614][ T5731]  dump_stack_lvl+0x41/0x5e
[  228.920112][ T5731]  sysfs_warn_dup.cold+0x17/0x24
[  228.925039][ T5731]  sysfs_create_dir_ns+0xaf/0xd0
[  228.929991][ T5731]  kobject_add_internal+0xc5/0x2d0
[  228.935083][ T5731]  kobject_init_and_add+0x71/0xa0
[  228.940088][ T5731]  ? lockdep_init_map_type+0x49/0x150
[  228.945442][ T5731]  gfs2_sys_fs_add+0xb4/0x180
[  228.950098][ T5731]  gfs2_fill_super+0x649/0xbe0
[  228.954844][ T5731]  ? vsnprintf+0x112/0x4d0
[  228.959237][ T5731]  ? get_tree_bdev+0xad/0x280
[  228.963896][ T5731]  ? gfs2_reconfigure+0x3c0/0x3c0
[  228.968899][ T5731]  ? snprintf+0x49/0x60
[  228.973041][ T5731]  ? gfs2_reconfigure+0x3c0/0x3c0
[  228.978576][ T5731]  get_tree_bdev+0x178/0x280
[  228.983148][ T5731]  gfs2_get_tree+0x1c/0x90
[  228.987546][ T5731]  vfs_get_tree+0x18/0x70
[  228.991862][ T5731]  ? capable+0x2a/0x50
[  228.995922][ T5731]  path_mount+0x2c2/0xc40
[  229.000232][ T5731]  __x64_sys_mount+0xfe/0x140
[  229.004893][ T5731]  do_syscall_64+0x33/0x80
[  229.009295][ T5731]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  229.015169][ T5731] RIP: 0033:0x7ffa7f46790a
[  229.019568][ T5731] 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
[  229.039181][ T5731] RSP: 002b:00007ffa7eed7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.047577][ T5731] RAX: ffffffffffffffda RBX: 00007ffa7eed7ef0 RCX: 00007ffa7f46790a
[  229.055648][ T5731] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffa7eed7eb0
[  229.063603][ T5731] RBP: 0000200000000400 R08: 00007ffa7eed7ef0 R09: 0000000000000000
[  229.071556][ T5731] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  229.079508][ T5731] R13: 00007ffa7eed7eb0 R14: 00000000000125bb R15: 00002000000004c0
[  229.087478][ T5731]  </TASK>
[  229.090483][ T5732] CPU: 0 PID: 5732 Comm: syz.7.604 Not tainted 5.15.189-syzkaller #0
[  229.090743][ T5731] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.098543][ T5732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  229.111654][ T5731] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  229.121693][ T5732] Call Trace:
[  229.121697][ T5732]  <TASK>
[  229.121699][ T5732]  dump_stack_lvl+0x41/0x5e
[  229.121708][ T5732]  sysfs_warn_dup.cold+0x17/0x24
[  229.121714][ T5732]  sysfs_create_dir_ns+0xaf/0xd0
[  229.148729][ T5732]  kobject_add_internal+0xc5/0x2d0
[  229.153836][ T5732]  kobject_init_and_add+0x71/0xa0
[  229.158860][ T5732]  ? lockdep_init_map_type+0x49/0x150
[  229.164324][ T5732]  gfs2_sys_fs_add+0xb4/0x180
[  229.168995][ T5732]  gfs2_fill_super+0x649/0xbe0
[  229.173753][ T5732]  ? vsnprintf+0x112/0x4d0
[  229.178172][ T5732]  ? get_tree_bdev+0xad/0x280
[  229.182845][ T5732]  ? gfs2_reconfigure+0x3c0/0x3c0
[  229.187869][ T5732]  ? snprintf+0x49/0x60
[  229.192110][ T5732]  ? gfs2_reconfigure+0x3c0/0x3c0
[  229.196121][ T5734] loop6: detected capacity change from 0 to 32768
[  229.197210][ T5732]  get_tree_bdev+0x178/0x280
[  229.208407][ T5732]  gfs2_get_tree+0x1c/0x90
[  229.212825][ T5732]  vfs_get_tree+0x18/0x70
[  229.217171][ T5732]  ? capable+0x2a/0x50
[  229.221251][ T5732]  path_mount+0x2c2/0xc40
[  229.225626][ T5732]  __x64_sys_mount+0xfe/0x140
[  229.230482][ T5732]  do_syscall_64+0x33/0x80
[  229.234893][ T5732]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  229.240779][ T5732] RIP: 0033:0x7f6fc349890a
[  229.245184][ T5732] 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
[  229.264784][ T5732] RSP: 002b:00007f6fc2f08e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.273186][ T5732] RAX: ffffffffffffffda RBX: 00007f6fc2f08ef0 RCX: 00007f6fc349890a
[  229.281154][ T5732] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6fc2f08eb0
[  229.289126][ T5732] RBP: 0000200000000400 R08: 00007f6fc2f08ef0 R09: 0000000000000000
[  229.297095][ T5732] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  229.305035][ T5737] loop8: detected capacity change from 0 to 32768
[  229.305063][ T5732] R13: 00007f6fc2f08eb0 R14: 00000000000125bb R15: 00002000000004c0
[  229.319427][ T5732]  </TASK>
[  229.322470][ T5732] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.335569][ T5732] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  229.379277][ T5738] loop5: detected capacity change from 0 to 32768
[  229.401317][ T5737] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  229.401793][ T5734] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  229.408724][ T5737] CPU: 1 PID: 5737 Comm: syz.8.607 Not tainted 5.15.189-syzkaller #0
[  229.424227][ T5737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  229.434264][ T5737] Call Trace:
[  229.437530][ T5737]  <TASK>
[  229.441000][ T5737]  dump_stack_lvl+0x41/0x5e
[  229.445652][ T5737]  sysfs_warn_dup.cold+0x17/0x24
[  229.450584][ T5737]  sysfs_create_dir_ns+0xaf/0xd0
[  229.455588][ T5737]  kobject_add_internal+0xc5/0x2d0
[  229.460681][ T5737]  kobject_init_and_add+0x71/0xa0
[  229.465692][ T5737]  ? lockdep_init_map_type+0x49/0x150
[  229.471046][ T5737]  gfs2_sys_fs_add+0xb4/0x180
[  229.475707][ T5737]  gfs2_fill_super+0x649/0xbe0
[  229.480450][ T5737]  ? vsnprintf+0x112/0x4d0
[  229.484849][ T5737]  ? get_tree_bdev+0xad/0x280
[  229.489504][ T5737]  ? gfs2_reconfigure+0x3c0/0x3c0
[  229.494505][ T5737]  ? snprintf+0x49/0x60
[  229.498650][ T5737]  ? gfs2_reconfigure+0x3c0/0x3c0
[  229.503655][ T5737]  get_tree_bdev+0x178/0x280
[  229.508230][ T5737]  gfs2_get_tree+0x1c/0x90
[  229.512642][ T5737]  vfs_get_tree+0x18/0x70
[  229.516949][ T5737]  ? capable+0x2a/0x50
[  229.520995][ T5737]  path_mount+0x2c2/0xc40
[  229.525362][ T5737]  __x64_sys_mount+0xfe/0x140
[  229.530036][ T5737]  do_syscall_64+0x33/0x80
[  229.534433][ T5737]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  229.540402][ T5737] RIP: 0033:0x7f0c80afa90a
[  229.544813][ T5737] 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
[  229.564401][ T5737] RSP: 002b:00007f0c8056ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.572810][ T5737] RAX: ffffffffffffffda RBX: 00007f0c8056aef0 RCX: 00007f0c80afa90a
[  229.580857][ T5737] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0c8056aeb0
[  229.588820][ T5737] RBP: 0000200000000400 R08: 00007f0c8056aef0 R09: 0000000000000000
[  229.596770][ T5737] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  229.604720][ T5737] R13: 00007f0c8056aeb0 R14: 00000000000125bb R15: 00002000000004c0
[  229.612672][ T5737]  </TASK>
[  229.615690][ T5734] CPU: 0 PID: 5734 Comm: syz.6.606 Not tainted 5.15.189-syzkaller #0
[  229.615735][ T5737] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.623856][ T5734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  229.623859][ T5734] Call Trace:
[  229.623862][ T5734]  <TASK>
[  229.623863][ T5734]  dump_stack_lvl+0x41/0x5e
[  229.636952][ T5737] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  229.646983][ T5734]  sysfs_warn_dup.cold+0x17/0x24
[  229.646989][ T5734]  sysfs_create_dir_ns+0xaf/0xd0
[  229.673990][ T5734]  kobject_add_internal+0xc5/0x2d0
[  229.679082][ T5734]  kobject_init_and_add+0x71/0xa0
[  229.684092][ T5734]  ? lockdep_init_map_type+0x49/0x150
[  229.689440][ T5734]  gfs2_sys_fs_add+0xb4/0x180
[  229.694180][ T5734]  gfs2_fill_super+0x649/0xbe0
[  229.698936][ T5734]  ? vsnprintf+0x112/0x4d0
[  229.703327][ T5734]  ? get_tree_bdev+0xad/0x280
[  229.708081][ T5734]  ? gfs2_reconfigure+0x3c0/0x3c0
[  229.713088][ T5734]  ? snprintf+0x49/0x60
[  229.717230][ T5734]  ? gfs2_reconfigure+0x3c0/0x3c0
[  229.722251][ T5734]  get_tree_bdev+0x178/0x280
[  229.726818][ T5734]  gfs2_get_tree+0x1c/0x90
[  229.731208][ T5734]  vfs_get_tree+0x18/0x70
[  229.735512][ T5734]  ? capable+0x2a/0x50
[  229.739558][ T5734]  path_mount+0x2c2/0xc40
[  229.743865][ T5734]  __x64_sys_mount+0xfe/0x140
[  229.748514][ T5734]  do_syscall_64+0x33/0x80
[  229.752909][ T5734]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  229.758860][ T5734] RIP: 0033:0x7fe89946b90a
[  229.763251][ T5734] 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
[  229.782829][ T5734] RSP: 002b:00007fe898edbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.791216][ T5734] RAX: ffffffffffffffda RBX: 00007fe898edbef0 RCX: 00007fe89946b90a
[  229.799163][ T5734] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fe898edbeb0
[  229.807132][ T5734] RBP: 0000200000000400 R08: 00007fe898edbef0 R09: 0000000000000000
[  229.815087][ T5734] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  229.823034][ T5734] R13: 00007fe898edbeb0 R14: 00000000000125bb R15: 00002000000004c0
[  229.831074][ T5734]  </TASK>
[  229.834147][ T5734] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.847329][ T5734] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  229.907153][ T5738] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  229.914633][ T5738] CPU: 1 PID: 5738 Comm: syz.5.608 Not tainted 5.15.189-syzkaller #0
[  229.922785][ T5738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  229.932837][ T5738] Call Trace:
[  229.936115][ T5738]  <TASK>
[  229.939053][ T5738]  dump_stack_lvl+0x41/0x5e
[  229.943562][ T5738]  sysfs_warn_dup.cold+0x17/0x24
[  229.948509][ T5738]  sysfs_create_dir_ns+0xaf/0xd0
[  229.953458][ T5738]  kobject_add_internal+0xc5/0x2d0
[  229.958572][ T5738]  kobject_init_and_add+0x71/0xa0
[  229.963596][ T5738]  ? lockdep_init_map_type+0x49/0x150
[  229.968965][ T5738]  gfs2_sys_fs_add+0xb4/0x180
[  229.973639][ T5738]  gfs2_fill_super+0x649/0xbe0
[  229.978501][ T5738]  ? vsnprintf+0x112/0x4d0
[  229.982942][ T5738]  ? get_tree_bdev+0xad/0x280
[  229.987617][ T5738]  ? gfs2_reconfigure+0x3c0/0x3c0
[  229.992636][ T5738]  ? snprintf+0x49/0x60
[  229.996793][ T5738]  ? gfs2_reconfigure+0x3c0/0x3c0
[  230.001811][ T5738]  get_tree_bdev+0x178/0x280
[  230.006402][ T5738]  gfs2_get_tree+0x1c/0x90
[  230.010813][ T5738]  vfs_get_tree+0x18/0x70
[  230.015140][ T5738]  ? capable+0x2a/0x50
[  230.015979][ T5740] loop4: detected capacity change from 0 to 32768
[  230.019206][ T5738]  path_mount+0x2c2/0xc40
[  230.019212][ T5738]  __x64_sys_mount+0xfe/0x140
[  230.019216][ T5738]  do_syscall_64+0x33/0x80
[  230.019223][ T5738]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  230.019228][ T5738] RIP: 0033:0x7f0c72af990a
[  230.049506][ T5738] 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
[  230.069199][ T5738] RSP: 002b:00007f0c72569e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.077620][ T5738] RAX: ffffffffffffffda RBX: 00007f0c72569ef0 RCX: 00007f0c72af990a
[  230.085592][ T5738] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0c72569eb0
[  230.093565][ T5738] RBP: 0000200000000400 R08: 00007f0c72569ef0 R09: 0000000000000000
[  230.101537][ T5738] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  230.109516][ T5738] R13: 00007f0c72569eb0 R14: 00000000000125bb R15: 00002000000004c0
[  230.117488][ T5738]  </TASK>
[  230.120544][ T5738] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  230.133809][ T5738] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  230.134181][ T5742] loop7: detected capacity change from 0 to 32768
[  230.160201][ T5742] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  230.167657][ T5742] CPU: 0 PID: 5742 Comm: syz.7.610 Not tainted 5.15.189-syzkaller #0
[  230.175734][ T5742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  230.185966][ T5742] Call Trace:
[  230.189246][ T5742]  <TASK>
[  230.192189][ T5742]  dump_stack_lvl+0x41/0x5e
[  230.196684][ T5742]  sysfs_warn_dup.cold+0x17/0x24
[  230.201703][ T5742]  sysfs_create_dir_ns+0xaf/0xd0
[  230.206634][ T5742]  kobject_add_internal+0xc5/0x2d0
[  230.211838][ T5742]  kobject_init_and_add+0x71/0xa0
[  230.216864][ T5742]  ? lockdep_init_map_type+0x49/0x150
[  230.222250][ T5742]  gfs2_sys_fs_add+0xb4/0x180
[  230.226928][ T5742]  gfs2_fill_super+0x649/0xbe0
[  230.231698][ T5742]  ? vsnprintf+0x112/0x4d0
[  230.236116][ T5742]  ? get_tree_bdev+0xad/0x280
[  230.240788][ T5742]  ? gfs2_reconfigure+0x3c0/0x3c0
[  230.245808][ T5742]  ? snprintf+0x49/0x60
[  230.249963][ T5742]  ? gfs2_reconfigure+0x3c0/0x3c0
[  230.252245][ T5744] loop6: detected capacity change from 0 to 32768
[  230.254990][ T5742]  get_tree_bdev+0x178/0x280
[  230.265999][ T5742]  gfs2_get_tree+0x1c/0x90
[  230.270480][ T5742]  vfs_get_tree+0x18/0x70
[  230.274793][ T5742]  ? capable+0x2a/0x50
[  230.278847][ T5742]  path_mount+0x2c2/0xc40
[  230.283249][ T5742]  __x64_sys_mount+0xfe/0x140
[  230.287936][ T5742]  do_syscall_64+0x33/0x80
[  230.292364][ T5742]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  230.298240][ T5742] RIP: 0033:0x7f6fc349890a
[  230.302635][ T5742] 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
[  230.322412][ T5742] RSP: 002b:00007f6fc2f08e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.330823][ T5742] RAX: ffffffffffffffda RBX: 00007f6fc2f08ef0 RCX: 00007f6fc349890a
[  230.339443][ T5742] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6fc2f08eb0
[  230.347514][ T5742] RBP: 0000200000000400 R08: 00007f6fc2f08ef0 R09: 0000000000000000
[  230.355476][ T5742] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  230.363436][ T5742] R13: 00007f6fc2f08eb0 R14: 00000000000125bb R15: 00002000000004c0
[  230.371390][ T5742]  </TASK>
[  230.374500][ T5742] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  230.387619][ T5742] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  230.396557][ T5740] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  230.403997][ T5740] CPU: 1 PID: 5740 Comm: syz.4.609 Not tainted 5.15.189-syzkaller #0
[  230.412054][ T5740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  230.422110][ T5740] Call Trace:
[  230.425390][ T5740]  <TASK>
[  230.428334][ T5740]  dump_stack_lvl+0x41/0x5e
[  230.432841][ T5740]  sysfs_warn_dup.cold+0x17/0x24
[  230.437774][ T5740]  sysfs_create_dir_ns+0xaf/0xd0
[  230.442803][ T5740]  kobject_add_internal+0xc5/0x2d0
[  230.447904][ T5740]  kobject_init_and_add+0x71/0xa0
[  230.452919][ T5740]  ? lockdep_init_map_type+0x49/0x150
[  230.458322][ T5740]  gfs2_sys_fs_add+0xb4/0x180
[  230.463005][ T5740]  gfs2_fill_super+0x649/0xbe0
[  230.467760][ T5740]  ? vsnprintf+0x112/0x4d0
[  230.472167][ T5740]  ? get_tree_bdev+0xad/0x280
[  230.476834][ T5740]  ? gfs2_reconfigure+0x3c0/0x3c0
[  230.481851][ T5740]  ? snprintf+0x49/0x60
[  230.485997][ T5740]  ? gfs2_reconfigure+0x3c0/0x3c0
[  230.491032][ T5740]  get_tree_bdev+0x178/0x280
[  230.495613][ T5740]  gfs2_get_tree+0x1c/0x90
[  230.500029][ T5740]  vfs_get_tree+0x18/0x70
[  230.504358][ T5740]  ? capable+0x2a/0x50
[  230.508425][ T5740]  path_mount+0x2c2/0xc40
[  230.512754][ T5740]  __x64_sys_mount+0xfe/0x140
[  230.517528][ T5740]  do_syscall_64+0x33/0x80
[  230.521959][ T5740]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  230.527849][ T5740] RIP: 0033:0x7ffa7f46790a
[  230.532257][ T5740] 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
[  230.539560][ T5746] loop8: detected capacity change from 0 to 32768
[  230.551859][ T5740] RSP: 002b:00007ffa7eed7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.551864][ T5740] RAX: ffffffffffffffda RBX: 00007ffa7eed7ef0 RCX: 00007ffa7f46790a
[  230.551866][ T5740] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffa7eed7eb0
[  230.551868][ T5740] RBP: 0000200000000400 R08: 00007ffa7eed7ef0 R09: 0000000000000000
[  230.551871][ T5740] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  230.551873][ T5740] R13: 00007ffa7eed7eb0 R14: 00000000000125bb R15: 00002000000004c0
[  230.551876][ T5740]  </TASK>
[  230.551984][ T5740] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  230.562483][ T5744] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  230.566995][ T5740] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  230.575069][ T5744] CPU: 0 PID: 5744 Comm: syz.6.611 Not tainted 5.15.189-syzkaller #0
[  230.645074][ T5744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  230.655213][ T5744] Call Trace:
[  230.658501][ T5744]  <TASK>
[  230.661421][ T5744]  dump_stack_lvl+0x41/0x5e
[  230.665906][ T5744]  sysfs_warn_dup.cold+0x17/0x24
[  230.670825][ T5744]  sysfs_create_dir_ns+0xaf/0xd0
[  230.675764][ T5744]  kobject_add_internal+0xc5/0x2d0
[  230.680856][ T5744]  kobject_init_and_add+0x71/0xa0
[  230.685863][ T5744]  ? lockdep_init_map_type+0x49/0x150
[  230.691213][ T5744]  gfs2_sys_fs_add+0xb4/0x180
[  230.695871][ T5744]  gfs2_fill_super+0x649/0xbe0
[  230.700612][ T5744]  ? vsnprintf+0x112/0x4d0
[  230.705010][ T5744]  ? get_tree_bdev+0xad/0x280
[  230.709766][ T5744]  ? gfs2_reconfigure+0x3c0/0x3c0
[  230.714904][ T5744]  ? snprintf+0x49/0x60
[  230.719050][ T5744]  ? gfs2_reconfigure+0x3c0/0x3c0
[  230.724061][ T5744]  get_tree_bdev+0x178/0x280
[  230.728641][ T5744]  gfs2_get_tree+0x1c/0x90
[  230.733037][ T5744]  vfs_get_tree+0x18/0x70
[  230.737351][ T5744]  ? capable+0x2a/0x50
[  230.741403][ T5744]  path_mount+0x2c2/0xc40
[  230.745715][ T5744]  __x64_sys_mount+0xfe/0x140
[  230.750470][ T5744]  do_syscall_64+0x33/0x80
[  230.754886][ T5744]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  230.760760][ T5744] RIP: 0033:0x7fe89946b90a
[  230.765159][ T5744] 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
[  230.784790][ T5744] RSP: 002b:00007fe898edbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.793185][ T5744] RAX: ffffffffffffffda RBX: 00007fe898edbef0 RCX: 00007fe89946b90a
[  230.801136][ T5744] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fe898edbeb0
[  230.809189][ T5744] RBP: 0000200000000400 R08: 00007fe898edbef0 R09: 0000000000000000
[  230.817140][ T5744] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  230.825100][ T5744] R13: 00007fe898edbeb0 R14: 00000000000125bb R15: 00002000000004c0
[  230.833140][ T5744]  </TASK>
[  230.836224][ T5744] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  230.849326][ T5744] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  230.874141][ T5746] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  230.881598][ T5746] CPU: 0 PID: 5746 Comm: syz.8.613 Not tainted 5.15.189-syzkaller #0
[  230.889657][ T5746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  230.889663][   T25] INFO: task syz.1.55:4163 blocked for more than 143 seconds.
[  230.899804][ T5746] Call Trace:
[  230.899810][ T5746]  <TASK>
[  230.899812][ T5746]  dump_stack_lvl+0x41/0x5e
[  230.899820][ T5746]  sysfs_warn_dup.cold+0x17/0x24
[  230.899828][ T5746]  sysfs_create_dir_ns+0xaf/0xd0
[  230.899835][ T5746]  kobject_add_internal+0xc5/0x2d0
[  230.899842][ T5746]  kobject_init_and_add+0x71/0xa0
[  230.899846][ T5746]  ? lockdep_init_map_type+0x49/0x150
[  230.907304][   T25]       Not tainted 5.15.189-syzkaller #0
[  230.910573][ T5746]  gfs2_sys_fs_add+0xb4/0x180
[  230.910581][ T5746]  gfs2_fill_super+0x649/0xbe0
[  230.910584][ T5746]  ? vsnprintf+0x112/0x4d0
[  230.910587][ T5746]  ? get_tree_bdev+0xad/0x280
[  230.910591][ T5746]  ? gfs2_reconfigure+0x3c0/0x3c0
[  230.910594][ T5746]  ? snprintf+0x49/0x60
[  230.910598][ T5746]  ? gfs2_reconfigure+0x3c0/0x3c0
[  230.913533][   T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  230.918007][ T5746]  get_tree_bdev+0x178/0x280
[  230.922957][   T25] task:syz.1.55        state:D
[  230.927944][ T5746]  gfs2_get_tree+0x1c/0x90
[  230.933053][   T25]  stack:12872 pid: 4163 ppid:  2389 flags:0x00004004
[  230.938042][ T5746]  vfs_get_tree+0x18/0x70
[  230.943402][   T25] Call Trace:
[  230.949091][ T5746]  ? capable+0x2a/0x50
[  230.953775][   T25]  <TASK>
[  230.958500][ T5746]  path_mount+0x2c2/0xc40
[  230.962910][   T25]  __schedule+0x2b8/0x790
[  230.967556][ T5746]  __x64_sys_mount+0xfe/0x140
[  230.972568][   T25]  schedule+0x53/0x90
[  230.976697][ T5746]  do_syscall_64+0x33/0x80
[  230.981716][   T25]  schedule_timeout+0x100/0x140
[  230.990356][ T5746]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  230.990362][ T5746] RIP: 0033:0x7f0c80afa90a
[  230.990368][ T5746] 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
[  230.994935][   T25]  ? wait_for_completion+0x77/0xe0
[  230.999765][ T5746] RSP: 002b:00007f0c8056ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.999769][ T5746] RAX: ffffffffffffffda RBX: 00007f0c8056aef0 RCX: 00007f0c80afa90a
[  230.999772][ T5746] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0c8056aeb0
[  230.999775][ T5746] RBP: 0000200000000400 R08: 00007f0c8056aef0 R09: 0000000000000000
[  231.004170][   T25]  ? do_raw_spin_unlock+0x50/0xa0
[  231.010907][ T5746] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  231.010909][ T5746] R13: 00007f0c8056aeb0 R14: 00000000000125bb R15: 00002000000004c0
[  231.010912][ T5746]  </TASK>
[  231.010935][ T5746] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.015227][   T25]  wait_for_completion+0x7f/0xe0
[  231.018497][ T5746] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  231.022562][   T25]  kthread_stop+0x6e/0x170
[  231.088984][ T5748] loop5: detected capacity change from 0 to 32768
[  231.095718][   T25]  gfs2_make_fs_ro+0x57/0x2b0
[  231.095730][   T25]  gfs2_withdraw.cold+0x161/0x4c0
[  231.095737][   T25]  ? gfs2_lm.cold+0x3f/0x44
[  231.095741][   T25]  gfs2_metatype_check_ii+0x30/0x40
[  231.095746][   T25]  gfs2_quota_init+0x483/0x4c0
[  231.095751][   T25]  gfs2_make_fs_rw+0xd4/0x160
[  231.095755][   T25]  gfs2_fill_super+0xb84/0xbe0
[  231.214046][   T25]  ? gfs2_glock_nq_num+0x67/0xd0
[  231.218987][   T25]  ? gfs2_freeze_lock+0x24/0x60
[  231.223881][   T25]  ? gfs2_reconfigure+0x3c0/0x3c0
[  231.228899][   T25]  get_tree_bdev+0x178/0x280
[  231.233616][   T25]  gfs2_get_tree+0x1c/0x90
[  231.238028][   T25]  vfs_get_tree+0x18/0x70
[  231.238515][ T5750] loop7: detected capacity change from 0 to 32768
[  231.242374][   T25]  ? capable+0x2a/0x50
[  231.242381][   T25]  path_mount+0x2c2/0xc40
[  231.242386][   T25]  __x64_sys_mount+0xfe/0x140
[  231.242389][   T25]  do_syscall_64+0x33/0x80
[  231.242396][   T25]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  231.242402][   T25] RIP: 0033:0x7f897a80490a
[  231.242406][   T25] RSP: 002b:00007f897a274e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.242410][   T25] RAX: ffffffffffffffda RBX: 00007f897a274ef0 RCX: 00007f897a80490a
[  231.242413][   T25] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f897a274eb0
[  231.242415][   T25] RBP: 0000200000000400 R08: 00007f897a274ef0 R09: 0000000000000000
[  231.308956][   T25] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  231.316970][   T25] R13: 00007f897a274eb0 R14: 00000000000125bb R15: 00002000000004c0
[  231.325226][   T25]  </TASK>
[  231.328319][   T25] INFO: task gfs2_quotad:4168 blocked for more than 143 seconds.
[  231.336072][   T25]       Not tainted 5.15.189-syzkaller #0
[  231.341801][   T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  231.350508][   T25] task:gfs2_quotad     state:D stack:14224 pid: 4168 ppid:     2 flags:0x00004000
[  231.353514][ T5752] loop4: detected capacity change from 0 to 32768
[  231.359711][   T25] Call Trace:
[  231.359714][   T25]  <TASK>
[  231.359716][   T25]  __schedule+0x2b8/0x790
[  231.359725][   T25]  ? out_of_line_wait_on_bit_lock+0xb0/0xb0
[  231.382533][   T25]  schedule+0x53/0x90
[  231.386620][   T25]  bit_wait+0x8/0x50
[  231.390602][   T25]  __wait_on_bit+0x23/0x80
[  231.395181][   T25]  out_of_line_wait_on_bit+0x90/0xb0
[  231.400463][   T25]  ? var_wake_function+0x20/0x20
[  231.405403][   T25]  __gfs2_glock_dq+0x1c8/0x280
[  231.410269][   T25]  gfs2_glock_dq_uninit+0x1d/0x60
[  231.415279][   T25]  gfs2_statfs_sync+0x7c/0x190
[  231.420146][   T25]  ? gfs2_statfs_sync+0x42/0x190
[  231.425069][   T25]  gfs2_quotad+0x21d/0x2d0
[  231.429460][   T25]  ? do_wait_intr_irq+0xa0/0xa0
[  231.434313][   T25]  ? gfs2_wake_up_statfs+0x30/0x30
[  231.439409][   T25]  kthread+0x10b/0x130
[  231.443577][   T25]  ? set_kthread_struct+0x40/0x40
[  231.448585][   T25]  ret_from_fork+0x1f/0x30
[  231.453018][   T25]  </TASK>
[  231.456038][   T25] 
[  231.456038][   T25] Showing all locks held in the system:
[  231.463769][   T25] 1 lock held by khungtaskd/25:
[  231.468609][   T25]  #0: ffffffff82fda400 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x15/0xf2
[  231.472661][ T5750] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  231.478443][   T25] 1 lock held by udevd/767:
[  231.478450][   T25] 2 locks held by getty/883:
[  231.485961][ T5750] CPU: 0 PID: 5750 Comm: syz.7.612 Not tainted 5.15.189-syzkaller #0
[  231.490454][   T25]  #0: 
[  231.495111][ T5750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  231.503211][   T25] ffff88810a36f898
[  231.505919][ T5750] Call Trace:
[  231.515970][   T25]  (
[  231.519662][ T5750]  <TASK>
[  231.519664][ T5750]  dump_stack_lvl+0x41/0x5e
[  231.522934][   T25] &tty->ldisc_sem
[  231.525516][ T5750]  sysfs_warn_dup.cold+0x17/0x24
[  231.528435][   T25] ){....}-{0:0}
[  231.532917][ T5750]  sysfs_create_dir_ns+0xaf/0xd0
[  231.532925][ T5750]  kobject_add_internal+0xc5/0x2d0
[  231.532931][ T5750]  kobject_init_and_add+0x71/0xa0
[  231.536549][   T25] , at: tty_ldisc_ref_wait+0x1f/0x50
[  231.541464][ T5750]  ? lockdep_init_map_type+0x49/0x150
[  231.544917][   T25]  #1: ffffc900017df2e8
[  231.549839][ T5750]  gfs2_sys_fs_add+0xb4/0x180
[  231.549846][ T5750]  gfs2_fill_super+0x649/0xbe0
[  231.549850][ T5750]  ? vsnprintf+0x112/0x4d0
[  231.554946][   T25]  (&ldata->atomic_read_lock
[  231.559959][ T5750]  ? get_tree_bdev+0xad/0x280
[  231.559969][ T5750]  ? gfs2_reconfigure+0x3c0/0x3c0
[  231.559972][ T5750]  ? snprintf+0x49/0x60
[  231.559977][ T5750]  ? gfs2_reconfigure+0x3c0/0x3c0
[  231.559980][ T5750]  get_tree_bdev+0x178/0x280
[  231.565244][   T25] ){....}-{3:3}
[  231.570599][ T5750]  gfs2_get_tree+0x1c/0x90
[  231.570604][ T5750]  vfs_get_tree+0x18/0x70
[  231.570607][ T5750]  ? capable+0x2a/0x50
[  231.570612][ T5750]  path_mount+0x2c2/0xc40
[  231.574744][   T25] , at: n_tty_read+0x4eb/0x610
[  231.579402][ T5750]  __x64_sys_mount+0xfe/0x140
[  231.584167][   T25] 2 locks held by udevd/1931:
[  231.588544][ T5750]  do_syscall_64+0x33/0x80
[  231.593309][   T25]  #0: 
[  231.598142][ T5750]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  231.603159][   T25] ffff8881083bc118
[  231.607285][ T5750] RIP: 0033:0x7f6fc349890a
[  231.612298][   T25]  (
[  231.616880][ T5750] 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
[  231.620422][   T25] &disk->open_mutex
[  231.624894][ T5750] RSP: 002b:00007f6fc2f08e68 EFLAGS: 00000246
[  231.629196][   T25] ){....}-{3:3}
[  231.633245][ T5750]  ORIG_RAX: 00000000000000a5
[  231.633248][ T5750] RAX: ffffffffffffffda RBX: 00007f6fc2f08ef0 RCX: 00007f6fc349890a
[  231.633250][ T5750] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6fc2f08eb0
[  231.633253][ T5750] RBP: 0000200000000400 R08: 00007f6fc2f08ef0 R09: 0000000000000000
[  231.633255][ T5750] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  231.637568][   T25] , at: blkdev_get_by_dev+0x51/0x2e0
[  231.642309][ T5750] R13: 00007f6fc2f08eb0 R14: 00000000000125bb R15: 00002000000004c0
[  231.642313][ T5750]  </TASK>
[  231.642421][ T5750] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.646982][   T25]  #1: 
[  231.651647][ T5750] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  231.651815][ T5748] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  231.656177][   T25] ffff888104191468
[  231.658928][ T5748] CPU: 0 PID: 5748 Comm: syz.5.614 Not tainted 5.15.189-syzkaller #0
[  231.664817][   T25]  (
[  231.668516][ T5748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  231.672938][   T25] &lo->lo_mutex
[  231.675414][ T5748] Call Trace:
[  231.695041][   T25] ){....}-{3:3}
[  231.698788][ T5748]  <TASK>
[  231.704841][   T25] , at: lo_open+0x23/0x50
[  231.708276][ T5748]  dump_stack_lvl+0x41/0x5e
[  231.712945][   T25] 1 lock held by udevd/4078:
[  231.720889][ T5748]  sysfs_warn_dup.cold+0x17/0x24
[  231.720895][ T5748]  sysfs_create_dir_ns+0xaf/0xd0
[  231.720901][ T5748]  kobject_add_internal+0xc5/0x2d0
[  231.728860][   T25]  #0: ffff888107fd2318
[  231.736898][ T5748]  kobject_init_and_add+0x71/0xa0
[  231.736903][ T5748]  ? lockdep_init_map_type+0x49/0x150
[  231.736909][ T5748]  gfs2_sys_fs_add+0xb4/0x180
[  231.744970][   T25]  (
[  231.750230][ T5748]  gfs2_fill_super+0x649/0xbe0
[  231.750235][ T5748]  ? vsnprintf+0x112/0x4d0
[  231.758193][   T25] &disk->open_mutex
[  231.761218][ T5748]  ? get_tree_bdev+0xad/0x280
[  231.761223][ T5748]  ? gfs2_reconfigure+0x3c0/0x3c0
[  231.761226][ T5748]  ? snprintf+0x49/0x60
[  231.761230][ T5748]  ? gfs2_reconfigure+0x3c0/0x3c0
[  231.774314][   T25] ){....}-{3:3}
[  231.777053][ T5748]  get_tree_bdev+0x178/0x280
[  231.784322][   T25] , at: blkdev_get_by_dev+0x51/0x2e0
[  231.791653][ T5748]  gfs2_get_tree+0x1c/0x90
[  231.791664][ T5748]  vfs_get_tree+0x18/0x70
[  231.791669][ T5748]  ? capable+0x2a/0x50
[  231.795380][   T25] 1 lock held by udevd/4093:
[  231.803507][ T5748]  path_mount+0x2c2/0xc40
[  231.803512][ T5748]  __x64_sys_mount+0xfe/0x140
[  231.803516][ T5748]  do_syscall_64+0x33/0x80
[  231.806003][   T25]  #0: ffff8881083b9918
[  231.816038][ T5748]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  231.816043][ T5748] RIP: 0033:0x7f0c72af990a
[  231.816049][ T5748] 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
[  231.819484][   T25]  (&disk->open_mutex
[  231.822755][ T5748] RSP: 002b:00007f0c72569e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.822760][ T5748] RAX: ffffffffffffffda RBX: 00007f0c72569ef0 RCX: 00007f0c72af990a
[  231.822762][ T5748] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0c72569eb0
[  231.822765][ T5748] RBP: 0000200000000400 R08: 00007f0c72569ef0 R09: 0000000000000000
[  231.826202][   T25] ){....}-{3:3}
[  231.829120][ T5748] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  231.833438][   T25] , at: blkdev_get_by_dev+0x51/0x2e0
[  231.837908][ T5748] R13: 00007f0c72569eb0 R14: 00000000000125bb R15: 00002000000004c0
[  231.842493][   T25] 2 locks held by udevd/4125:
[  231.847393][ T5748]  </TASK>
[  231.852324][   T25]  #0: 
[  231.857488][ T5748] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.861541][   T25] ffff8881083b9118
[  231.866547][ T5748] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  231.871916][   T25]  (&disk->open_mutex){....}-{3:3}, at: blkdev_get_by_dev+0x51/0x2e0
[  232.092353][   T25]  #1: ffff8881073e6468 (&lo->lo_mutex){....}-{3:3}, at: lo_open+0x23/0x50
[  232.100942][   T25] 1 lock held by syz.1.55/4163:
[  232.105765][   T25]  #0: ffff888175a2b0e0 (&type->s_umount_key#45/1){....}-{3:3}, at: alloc_super+0xde/0x3d0
[  232.115855][   T25] 1 lock held by syz.6.611/5744:
[  232.120783][   T25]  #0: ffff8881073e6468 (&lo->lo_mutex){....}-{3:3}, at: __loop_clr_fd+0x5b/0x5b0
[  232.129998][   T25] 1 lock held by syz.8.613/5746:
[  232.134917][   T25]  #0: ffff888104191468 (&lo->lo_mutex){....}-{3:3}, at: __loop_clr_fd+0x5b/0x5b0
[  232.144113][   T25] 2 locks held by syz.5.614/5748:
[  232.149119][   T25]  #0: ffff888107fd2b18 (&disk->open_mutex){....}-{3:3}, at: blkdev_put+0x35/0x1e0
[  232.158402][   T25]  #1: ffff8881041d8c68 (&lo->lo_mutex){....}-{3:3}, at: lo_release+0x1b/0x90
[  232.167358][   T25] 2 locks held by syz.7.612/5750:
[  232.172379][   T25]  #0: ffff8881083b9918 (&disk->open_mutex){....}-{3:3}, at: blkdev_put+0x35/0x1e0
[  232.181757][   T25]  #1: ffff8881073e7c68 (&lo->lo_mutex){....}-{3:3}, at: lo_release+0x1b/0x90
[  232.190603][   T25] 2 locks held by syz.4.615/5752:
[  232.195607][   T25]  #0: ffff888107fd2318 (&disk->open_mutex){....}-{3:3}, at: blkdev_put+0x35/0x1e0
[  232.204893][   T25]  #1: ffff8881041cf468 (&lo->lo_mutex){....}-{3:3}, at: lo_release+0x1b/0x90
[  232.213745][   T25] 
[  232.216059][   T25] =============================================
[  232.216059][   T25] 
[  232.224469][   T25] NMI backtrace for cpu 1
[  232.228780][   T25] CPU: 1 PID: 25 Comm: khungtaskd Not tainted 5.15.189-syzkaller #0
[  232.236728][   T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  232.246762][   T25] Call Trace:
[  232.250036][   T25]  <TASK>
[  232.252946][   T25]  dump_stack_lvl+0x41/0x5e
[  232.257427][   T25]  nmi_cpu_backtrace.cold+0x32/0x80
[  232.262601][   T25]  ? lapic_can_unplug_cpu+0x80/0x80
[  232.267780][   T25]  nmi_trigger_cpumask_backtrace+0x81/0x90
[  232.273560][   T25]  watchdog+0x47f/0x4b0
[  232.277692][   T25]  ? proc_dohung_task_timeout_secs+0x30/0x30
[  232.283644][   T25]  kthread+0x10b/0x130
[  232.287685][   T25]  ? set_kthread_struct+0x40/0x40
[  232.292682][   T25]  ret_from_fork+0x1f/0x30
[  232.297070][   T25]  </TASK>
[  232.300188][   T25] Sending NMI from CPU 1 to CPUs 0:
[  232.305410][    C0] NMI backtrace for cpu 0 skipped: idling at default_idle+0xb/0x10
[  232.306404][   T25] Kernel panic - not syncing: hung_task: blocked tasks
[  232.321441][   T25] Kernel Offset: disabled
[  232.325835][   T25] Rebooting in 86400 seconds..