] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  378.130876][ T6697] loop5: detected capacity change from 0 to 32768
[  378.157919][ T6692] CPU: 1 PID: 6692 Comm: syz.4.451 Not tainted 5.15.180-syzkaller #0
[  378.166125][ T6692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  378.176206][ T6692] Call Trace:
[  378.179504][ T6692]  <TASK>
[  378.182465][ T6692]  dump_stack_lvl+0x1e3/0x2d0
[  378.187219][ T6692]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  378.192876][ T6692]  ? panic+0x860/0x860
[  378.196982][ T6692]  ? sysfs_create_dir_ns+0x282/0x390
[  378.202296][ T6692]  sysfs_create_dir_ns+0x2c6/0x390
[  378.207441][ T6692]  ? sysfs_warn_dup+0xa0/0xa0
[  378.212143][ T6692]  ? do_raw_spin_unlock+0x137/0x8b0
[  378.217367][ T6692]  ? kobject_set_name_vargs+0xca/0x110
[  378.222862][ T6692]  kobject_add_internal+0x6e0/0xe00
[  378.228092][ T6692]  kobject_init_and_add+0x120/0x190
[  378.233332][ T6692]  ? lockdep_softirqs_off+0x420/0x420
[  378.238738][ T6692]  ? widen_string+0x3a/0x310
[  378.243476][ T6692]  ? kobject_add+0x210/0x210
[  378.248105][ T6692]  ? __init_swait_queue_head+0xaa/0x140
[  378.253762][ T6692]  gfs2_sys_fs_add+0x237/0x4a0
[  378.258562][ T6692]  ? gfs2_recover_set+0x240/0x240
[  378.263654][ T6692]  ? snprintf+0xd6/0x120
[  378.267934][ T6692]  ? vscnprintf+0x80/0x80
[  378.272380][ T6692]  ? read_word_at_a_time+0xe/0x20
[  378.277526][ T6692]  ? strscpy+0x89/0x220
[  378.281924][ T6692]  gfs2_fill_super+0x1299/0x2750
[  378.286995][ T6692]  ? gfs2_reconfigure+0xcf0/0xcf0
[  378.292180][ T6692]  ? ptr_to_hashval+0x60/0x60
[  378.296999][ T6692]  ? up_write+0x19d/0x580
[  378.301376][ T6692]  ? set_blocksize+0x1ec/0x370
[  378.306267][ T6692]  get_tree_bdev+0x3fe/0x620
[  378.310885][ T6692]  ? gfs2_reconfigure+0xcf0/0xcf0
[  378.316025][ T6692]  gfs2_get_tree+0x50/0x210
[  378.320555][ T6692]  ? bpf_lsm_capable+0x5/0x10
[  378.325257][ T6692]  vfs_get_tree+0x88/0x270
[  378.329695][ T6692]  do_new_mount+0x2ba/0xb40
[  378.334218][ T6692]  ? do_move_mount_old+0x160/0x160
[  378.339358][ T6692]  ? user_path_at_empty+0x12b/0x180
[  378.344578][ T6692]  __se_sys_mount+0x2d5/0x3c0
[  378.345085][ T6698] loop0: detected capacity change from 0 to 32768
[  378.349273][ T6692]  ? __x64_sys_mount+0xc0/0xc0
[  378.360440][ T6692]  ? syscall_enter_from_user_mode+0x2e/0x240
[  378.366455][ T6692]  ? lockdep_hardirqs_on+0x94/0x130
[  378.371677][ T6692]  ? __x64_sys_mount+0x1c/0xc0
[  378.376466][ T6692]  do_syscall_64+0x3b/0xb0
[  378.380914][ T6692]  ? clear_bhb_loop+0x15/0x70
[  378.380931][ T6689] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  378.380951][ T6689] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  378.385605][ T6692]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  378.385630][ T6692] RIP: 0033:0x7f79bbc9990a
[  378.385651][ T6692] 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
[  378.385671][ T6692] RSP: 002b:00007f79baf08e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  378.385697][ T6692] RAX: ffffffffffffffda RBX: 00007f79baf08ef0 RCX: 00007f79bbc9990a
[  378.452602][ T6692] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f79baf08eb0
[  378.460579][ T6692] RBP: 0000200000000400 R08: 00007f79baf08ef0 R09: 0000000000000000
[  378.468558][ T6692] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  378.476531][ T6692] R13: 00007f79baf08eb0 R14: 00000000000125bb R15: 00002000000004c0
[  378.484530][ T6692]  </TASK>
[  378.494840][ T6692] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  378.520332][ T6697] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  378.541097][ T6698] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  378.559891][ T6692] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  378.563512][ T6694] loop1: detected capacity change from 0 to 32768
[  378.574157][ T6697] CPU: 0 PID: 6697 Comm: syz.5.453 Not tainted 5.15.180-syzkaller #0
[  378.582277][ T6697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  378.592490][ T6697] Call Trace:
[  378.595777][ T6697]  <TASK>
[  378.598809][ T6697]  dump_stack_lvl+0x1e3/0x2d0
[  378.603502][ T6697]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  378.609147][ T6697]  ? panic+0x860/0x860
[  378.613227][ T6697]  ? sysfs_create_dir_ns+0x282/0x390
[  378.618533][ T6697]  sysfs_create_dir_ns+0x2c6/0x390
[  378.623662][ T6697]  ? sysfs_warn_dup+0xa0/0xa0
[  378.628372][ T6697]  ? do_raw_spin_unlock+0x137/0x8b0
[  378.633700][ T6697]  ? kobject_set_name_vargs+0xca/0x110
[  378.639194][ T6697]  kobject_add_internal+0x6e0/0xe00
[  378.644422][ T6697]  kobject_init_and_add+0x120/0x190
[  378.649642][ T6697]  ? lockdep_softirqs_off+0x420/0x420
[  378.655057][ T6697]  ? widen_string+0x3a/0x310
[  378.659667][ T6697]  ? kobject_add+0x210/0x210
[  378.664393][ T6697]  ? __init_swait_queue_head+0xaa/0x140
[  378.669989][ T6697]  gfs2_sys_fs_add+0x237/0x4a0
[  378.674974][ T6697]  ? gfs2_recover_set+0x240/0x240
[  378.680005][ T6697]  ? snprintf+0xd6/0x120
[  378.684261][ T6697]  ? vscnprintf+0x80/0x80
[  378.688610][ T6697]  ? read_word_at_a_time+0xe/0x20
[  378.693874][ T6697]  ? strscpy+0x89/0x220
[  378.698055][ T6697]  gfs2_fill_super+0x1299/0x2750
[  378.703051][ T6697]  ? gfs2_reconfigure+0xcf0/0xcf0
[  378.708112][ T6697]  ? ptr_to_hashval+0x60/0x60
[  378.712909][ T6697]  ? up_write+0x19d/0x580
[  378.717280][ T6697]  ? set_blocksize+0x1ec/0x370
[  378.722179][ T6697]  get_tree_bdev+0x3fe/0x620
[  378.726911][ T6697]  ? gfs2_reconfigure+0xcf0/0xcf0
[  378.731967][ T6697]  gfs2_get_tree+0x50/0x210
[  378.736540][ T6697]  ? bpf_lsm_capable+0x5/0x10
[  378.741247][ T6697]  vfs_get_tree+0x88/0x270
[  378.745807][ T6697]  do_new_mount+0x2ba/0xb40
[  378.750439][ T6697]  ? do_move_mount_old+0x160/0x160
[  378.755626][ T6697]  ? user_path_at_empty+0x12b/0x180
[  378.761067][ T6697]  __se_sys_mount+0x2d5/0x3c0
[  378.765937][ T6697]  ? __x64_sys_mount+0xc0/0xc0
[  378.770734][ T6697]  ? syscall_enter_from_user_mode+0x2e/0x240
[  378.776750][ T6697]  ? lockdep_hardirqs_on+0x94/0x130
[  378.782197][ T6697]  ? __x64_sys_mount+0x1c/0xc0
[  378.787165][ T6697]  do_syscall_64+0x3b/0xb0
[  378.791691][ T6697]  ? clear_bhb_loop+0x15/0x70
[  378.796379][ T6697]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  378.802290][ T6697] RIP: 0033:0x7f806f2b290a
[  378.806721][ T6697] 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
[  378.826610][ T6697] RSP: 002b:00007f806e521e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  378.835055][ T6697] RAX: ffffffffffffffda RBX: 00007f806e521ef0 RCX: 00007f806f2b290a
[  378.843154][ T6697] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f806e521eb0
[  378.851236][ T6697] RBP: 0000200000000400 R08: 00007f806e521ef0 R09: 0000000000000000
[  378.859346][ T6697] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  378.867329][ T6697] R13: 00007f806e521eb0 R14: 00000000000125bb R15: 00002000000004c0
[  378.875336][ T6697]  </TASK>
[  378.878381][ T6698] CPU: 1 PID: 6698 Comm: syz.0.454 Not tainted 5.15.180-syzkaller #0
[  378.886497][ T6698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  378.896581][ T6698] Call Trace:
[  378.896657][ T6697] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  378.899933][ T6698]  <TASK>
[  378.899945][ T6698]  dump_stack_lvl+0x1e3/0x2d0
[  378.913079][ T6697] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  378.915960][ T6698]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  378.915990][ T6698]  ? panic+0x860/0x860
[  378.925567][ T1420] ieee802154 phy0 wpan0: encryption failed: -22
[  378.927187][ T6698]  ? sysfs_create_dir_ns+0x282/0x390
[  378.932847][ T1420] ieee802154 phy1 wpan1: encryption failed: -22
[  378.936985][ T6698]  sysfs_create_dir_ns+0x2c6/0x390
[  378.937016][ T6698]  ? sysfs_warn_dup+0xa0/0xa0
[  378.964598][ T6698]  ? do_raw_spin_unlock+0x137/0x8b0
[  378.970037][ T6698]  ? kobject_set_name_vargs+0xca/0x110
[  378.975706][ T6698]  kobject_add_internal+0x6e0/0xe00
[  378.980951][ T6698]  kobject_init_and_add+0x120/0x190
[  378.986188][ T6698]  ? lockdep_softirqs_off+0x420/0x420
[  378.991595][ T6698]  ? widen_string+0x3a/0x310
[  378.996258][ T6698]  ? kobject_add+0x210/0x210
[  379.000886][ T6698]  ? __init_swait_queue_head+0xaa/0x140
[  379.006464][ T6698]  gfs2_sys_fs_add+0x237/0x4a0
[  379.011272][ T6698]  ? gfs2_recover_set+0x240/0x240
[  379.016323][ T6698]  ? snprintf+0xd6/0x120
[  379.020594][ T6698]  ? vscnprintf+0x80/0x80
[  379.025060][ T6698]  ? read_word_at_a_time+0xe/0x20
[  379.030109][ T6698]  ? strscpy+0x89/0x220
[  379.034293][ T6698]  gfs2_fill_super+0x1299/0x2750
[  379.039277][ T6698]  ? gfs2_reconfigure+0xcf0/0xcf0
[  379.044325][ T6698]  ? ptr_to_hashval+0x60/0x60
[  379.049031][ T6698]  ? up_write+0x19d/0x580
[  379.053407][ T6698]  ? set_blocksize+0x1ec/0x370
[  379.058215][ T6698]  get_tree_bdev+0x3fe/0x620
[  379.062835][ T6698]  ? gfs2_reconfigure+0xcf0/0xcf0
[  379.067903][ T6698]  gfs2_get_tree+0x50/0x210
[  379.072524][ T6698]  ? bpf_lsm_capable+0x5/0x10
[  379.077428][ T6698]  vfs_get_tree+0x88/0x270
[  379.081968][ T6698]  do_new_mount+0x2ba/0xb40
[  379.086515][ T6698]  ? do_move_mount_old+0x160/0x160
[  379.091774][ T6698]  ? user_path_at_empty+0x12b/0x180
[  379.097126][ T6698]  __se_sys_mount+0x2d5/0x3c0
[  379.101872][ T6698]  ? __x64_sys_mount+0xc0/0xc0
[  379.106666][ T6698]  ? syscall_enter_from_user_mode+0x2e/0x240
[  379.112684][ T6698]  ? lockdep_hardirqs_on+0x94/0x130
[  379.117910][ T6698]  ? __x64_sys_mount+0x1c/0xc0
[  379.122781][ T6698]  do_syscall_64+0x3b/0xb0
[  379.127218][ T6698]  ? clear_bhb_loop+0x15/0x70
[  379.131918][ T6698]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  379.137826][ T6698] RIP: 0033:0x7fc971f7e90a
[  379.142359][ T6698] 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
[  379.162003][ T6698] RSP: 002b:00007fc9711ede68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  379.170452][ T6698] RAX: ffffffffffffffda RBX: 00007fc9711edef0 RCX: 00007fc971f7e90a
[  379.178459][ T6698] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc9711edeb0
[  379.186460][ T6698] RBP: 0000200000000400 R08: 00007fc9711edef0 R09: 0000000000000000
[  379.194498][ T6698] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  379.202500][ T6698] R13: 00007fc9711edeb0 R14: 00000000000125bb R15: 00002000000004c0
[  379.210516][ T6698]  </TASK>
[  379.224952][ T6694] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  379.232385][ T6694] CPU: 1 PID: 6694 Comm: syz.1.452 Not tainted 5.15.180-syzkaller #0
[  379.240482][ T6694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  379.250803][ T6694] Call Trace:
[  379.254114][ T6694]  <TASK>
[  379.257128][ T6694]  dump_stack_lvl+0x1e3/0x2d0
[  379.261848][ T6694]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  379.267519][ T6694]  ? panic+0x860/0x860
[  379.271623][ T6694]  ? sysfs_create_dir_ns+0x282/0x390
[  379.276952][ T6694]  sysfs_create_dir_ns+0x2c6/0x390
[  379.282112][ T6694]  ? sysfs_warn_dup+0xa0/0xa0
[  379.286939][ T6694]  ? do_raw_spin_unlock+0x137/0x8b0
[  379.292191][ T6694]  ? kobject_set_name_vargs+0xca/0x110
[  379.297681][ T6694]  kobject_add_internal+0x6e0/0xe00
[  379.302920][ T6694]  kobject_init_and_add+0x120/0x190
[  379.308155][ T6694]  ? lockdep_softirqs_off+0x420/0x420
[  379.313555][ T6694]  ? widen_string+0x3a/0x310
[  379.318187][ T6694]  ? kobject_add+0x210/0x210
[  379.322979][ T6694]  ? __init_swait_queue_head+0xaa/0x140
[  379.328749][ T6694]  gfs2_sys_fs_add+0x237/0x4a0
[  379.333688][ T6694]  ? gfs2_recover_set+0x240/0x240
[  379.338836][ T6694]  ? snprintf+0xd6/0x120
[  379.343125][ T6694]  ? vscnprintf+0x80/0x80
[  379.347525][ T6694]  ? read_word_at_a_time+0xe/0x20
[  379.352580][ T6694]  ? strscpy+0x89/0x220
[  379.356811][ T6694]  gfs2_fill_super+0x1299/0x2750
[  379.361903][ T6694]  ? gfs2_reconfigure+0xcf0/0xcf0
[  379.366963][ T6694]  ? ptr_to_hashval+0x60/0x60
[  379.371722][ T6694]  ? up_write+0x19d/0x580
[  379.376122][ T6694]  ? set_blocksize+0x1ec/0x370
[  379.381014][ T6694]  get_tree_bdev+0x3fe/0x620
[  379.385765][ T6694]  ? gfs2_reconfigure+0xcf0/0xcf0
[  379.390822][ T6694]  gfs2_get_tree+0x50/0x210
[  379.395351][ T6694]  ? bpf_lsm_capable+0x5/0x10
[  379.400060][ T6694]  vfs_get_tree+0x88/0x270
[  379.404518][ T6694]  do_new_mount+0x2ba/0xb40
[  379.409067][ T6694]  ? do_move_mount_old+0x160/0x160
[  379.414218][ T6694]  ? user_path_at_empty+0x12b/0x180
[  379.419539][ T6694]  __se_sys_mount+0x2d5/0x3c0
[  379.424352][ T6694]  ? __x64_sys_mount+0xc0/0xc0
[  379.429227][ T6694]  ? syscall_enter_from_user_mode+0x2e/0x240
[  379.435236][ T6694]  ? lockdep_hardirqs_on+0x94/0x130
[  379.440462][ T6694]  ? __x64_sys_mount+0x1c/0xc0
[  379.445282][ T6694]  do_syscall_64+0x3b/0xb0
[  379.449719][ T6694]  ? clear_bhb_loop+0x15/0x70
[  379.452481][ T6700] loop2: detected capacity change from 0 to 32768
[  379.454417][ T6694]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  379.454445][ T6694] RIP: 0033:0x7f05712b490a
[  379.454467][ T6694] 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
[  379.454487][ T6694] RSP: 002b:00007f0570523e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  379.499614][ T6694] RAX: ffffffffffffffda RBX: 00007f0570523ef0 RCX: 00007f05712b490a
[  379.507612][ T6694] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0570523eb0
[  379.515873][ T6694] RBP: 0000200000000400 R08: 00007f0570523ef0 R09: 0000000000000000
[  379.523891][ T6694] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  379.527016][ T6700] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  379.531883][ T6694] R13: 00007f0570523eb0 R14: 00000000000125bb R15: 00002000000004c0
[  379.531920][ T6694]  </TASK>
[  379.552728][ T6694] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  379.552840][ T6700] CPU: 0 PID: 6700 Comm: syz.2.455 Not tainted 5.15.180-syzkaller #0
[  379.574017][ T6700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  379.574451][ T6694] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  379.584084][ T6700] Call Trace:
[  379.584095][ T6700]  <TASK>
[  379.584105][ T6700]  dump_stack_lvl+0x1e3/0x2d0
[  379.584137][ T6700]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  379.584161][ T6700]  ? panic+0x860/0x860
[  379.584192][ T6700]  ? sysfs_create_dir_ns+0x282/0x390
[  379.584223][ T6700]  sysfs_create_dir_ns+0x2c6/0x390
[  379.584251][ T6700]  ? sysfs_warn_dup+0xa0/0xa0
[  379.584277][ T6700]  ? do_raw_spin_unlock+0x137/0x8b0
[  379.584302][ T6700]  ? kobject_set_name_vargs+0xca/0x110
[  379.584331][ T6700]  kobject_add_internal+0x6e0/0xe00
[  379.584362][ T6700]  kobject_init_and_add+0x120/0x190
[  379.584385][ T6700]  ? lockdep_softirqs_off+0x420/0x420
[  379.613264][ T6698] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  379.616898][ T6700]  ? widen_string+0x3a/0x310
[  379.616940][ T6700]  ? kobject_add+0x210/0x210
[  379.616967][ T6700]  ? __init_swait_queue_head+0xaa/0x140
[  379.616993][ T6700]  gfs2_sys_fs_add+0x237/0x4a0
[  379.617020][ T6700]  ? gfs2_recover_set+0x240/0x240
[  379.617044][ T6700]  ? snprintf+0xd6/0x120
[  379.617074][ T6700]  ? vscnprintf+0x80/0x80
[  379.617112][ T6700]  ? read_word_at_a_time+0xe/0x20
[  379.626635][ T6698] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  379.627096][ T6700]  ? strscpy+0x89/0x220
[  379.716593][ T6700]  gfs2_fill_super+0x1299/0x2750
[  379.721690][ T6700]  ? gfs2_reconfigure+0xcf0/0xcf0
[  379.726914][ T6700]  ? ptr_to_hashval+0x60/0x60
[  379.731624][ T6700]  ? up_write+0x19d/0x580
[  379.735988][ T6700]  ? set_blocksize+0x1ec/0x370
[  379.740785][ T6700]  get_tree_bdev+0x3fe/0x620
[  379.745402][ T6700]  ? gfs2_reconfigure+0xcf0/0xcf0
[  379.750458][ T6700]  gfs2_get_tree+0x50/0x210
[  379.754966][ T6700]  ? bpf_lsm_capable+0x5/0x10
[  379.759660][ T6700]  vfs_get_tree+0x88/0x270
[  379.764092][ T6700]  do_new_mount+0x2ba/0xb40
[  379.768601][ T6700]  ? do_move_mount_old+0x160/0x160
[  379.773739][ T6700]  ? user_path_at_empty+0x12b/0x180
[  379.778969][ T6700]  __se_sys_mount+0x2d5/0x3c0
[  379.783772][ T6700]  ? __x64_sys_mount+0xc0/0xc0
[  379.788543][ T6700]  ? syscall_enter_from_user_mode+0x2e/0x240
[  379.794523][ T6700]  ? lockdep_hardirqs_on+0x94/0x130
[  379.799740][ T6700]  ? __x64_sys_mount+0x1c/0xc0
[  379.804527][ T6700]  do_syscall_64+0x3b/0xb0
[  379.808965][ T6700]  ? clear_bhb_loop+0x15/0x70
[  379.813657][ T6700]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  379.819555][ T6700] RIP: 0033:0x7fce8a7b190a
[  379.824000][ T6700] 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
[  379.843614][ T6700] RSP: 002b:00007fce89a20e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  379.852171][ T6700] RAX: ffffffffffffffda RBX: 00007fce89a20ef0 RCX: 00007fce8a7b190a
[  379.860161][ T6700] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fce89a20eb0
[  379.868174][ T6700] RBP: 0000200000000400 R08: 00007fce89a20ef0 R09: 0000000000000000
[  379.876241][ T6700] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  379.884284][ T6700] R13: 00007fce89a20eb0 R14: 00000000000125bb R15: 00002000000004c0
[  379.892477][ T6700]  </TASK>
[  379.897553][ T6700] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  380.020408][ T6700] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/04/13 17:11:12 executed programs: 450
[  381.243937][ T6702] loop5: detected capacity change from 0 to 32768
[  381.286761][ T6704] loop0: detected capacity change from 0 to 32768
[  381.335776][ T6702] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  381.336040][ T6707] loop4: detected capacity change from 0 to 32768
[  381.343450][ T6702] CPU: 1 PID: 6702 Comm: syz.5.456 Not tainted 5.15.180-syzkaller #0
[  381.357919][ T6702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  381.368005][ T6702] Call Trace:
[  381.371305][ T6702]  <TASK>
[  381.374251][ T6702]  dump_stack_lvl+0x1e3/0x2d0
[  381.378987][ T6702]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  381.384647][ T6702]  ? panic+0x860/0x860
[  381.388751][ T6702]  ? sysfs_create_dir_ns+0x282/0x390
[  381.394075][ T6702]  sysfs_create_dir_ns+0x2c6/0x390
[  381.399305][ T6702]  ? sysfs_warn_dup+0xa0/0xa0
[  381.404021][ T6702]  ? do_raw_spin_unlock+0x137/0x8b0
[  381.409279][ T6702]  ? kobject_set_name_vargs+0xca/0x110
[  381.414782][ T6702]  kobject_add_internal+0x6e0/0xe00
[  381.420052][ T6702]  kobject_init_and_add+0x120/0x190
[  381.425304][ T6702]  ? lockdep_softirqs_off+0x420/0x420
[  381.430709][ T6702]  ? widen_string+0x3a/0x310
[  381.435338][ T6702]  ? kobject_add+0x210/0x210
[  381.440002][ T6702]  ? __init_swait_queue_head+0xaa/0x140
[  381.445678][ T6702]  gfs2_sys_fs_add+0x237/0x4a0
[  381.450474][ T6702]  ? gfs2_recover_set+0x240/0x240
[  381.452351][ T6708] loop1: detected capacity change from 0 to 32768
[  381.455516][ T6702]  ? snprintf+0xd6/0x120
[  381.455552][ T6702]  ? vscnprintf+0x80/0x80
[  381.466980][ T6710] loop2: detected capacity change from 0 to 32768
[  381.470554][ T6702]  ? read_word_at_a_time+0xe/0x20
[  381.482004][ T6702]  ? strscpy+0x89/0x220
[  381.486189][ T6702]  gfs2_fill_super+0x1299/0x2750
[  381.491185][ T6702]  ? gfs2_reconfigure+0xcf0/0xcf0
[  381.496319][ T6702]  ? ptr_to_hashval+0x60/0x60
[  381.501028][ T6702]  ? up_write+0x19d/0x580
[  381.505410][ T6702]  ? set_blocksize+0x1ec/0x370
[  381.510201][ T6702]  get_tree_bdev+0x3fe/0x620
[  381.514891][ T6702]  ? gfs2_reconfigure+0xcf0/0xcf0
[  381.520080][ T6702]  gfs2_get_tree+0x50/0x210
[  381.524583][ T6702]  ? bpf_lsm_capable+0x5/0x10
[  381.529262][ T6702]  vfs_get_tree+0x88/0x270
[  381.533728][ T6702]  do_new_mount+0x2ba/0xb40
[  381.538373][ T6702]  ? do_move_mount_old+0x160/0x160
[  381.543609][ T6702]  ? user_path_at_empty+0x12b/0x180
[  381.548839][ T6702]  __se_sys_mount+0x2d5/0x3c0
[  381.553860][ T6702]  ? __x64_sys_mount+0xc0/0xc0
[  381.558664][ T6702]  ? syscall_enter_from_user_mode+0x2e/0x240
[  381.564821][ T6702]  ? lockdep_hardirqs_on+0x94/0x130
[  381.570038][ T6702]  ? __x64_sys_mount+0x1c/0xc0
[  381.574812][ T6702]  do_syscall_64+0x3b/0xb0
[  381.579226][ T6702]  ? clear_bhb_loop+0x15/0x70
[  381.584003][ T6702]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  381.589909][ T6702] RIP: 0033:0x7f806f2b290a
[  381.594332][ T6702] 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
[  381.614051][ T6702] RSP: 002b:00007f806e521e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  381.622468][ T6702] RAX: ffffffffffffffda RBX: 00007f806e521ef0 RCX: 00007f806f2b290a
[  381.630613][ T6702] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f806e521eb0
[  381.638673][ T6702] RBP: 0000200000000400 R08: 00007f806e521ef0 R09: 0000000000000000
[  381.646654][ T6702] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  381.654652][ T6702] R13: 00007f806e521eb0 R14: 00000000000125bb R15: 00002000000004c0
[  381.662632][ T6702]  </TASK>
[  381.673332][ T6702] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  381.695118][ T6702] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  381.701047][ T6708] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  381.709774][ T6707] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  381.717504][ T6710] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  381.725152][ T6704] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  381.732947][ T6704] CPU: 0 PID: 6704 Comm: syz.0.457 Not tainted 5.15.180-syzkaller #0
[  381.741039][ T6704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  381.751128][ T6704] Call Trace:
[  381.754439][ T6704]  <TASK>
[  381.757437][ T6704]  dump_stack_lvl+0x1e3/0x2d0
[  381.762210][ T6704]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  381.767902][ T6704]  ? panic+0x860/0x860
[  381.772010][ T6704]  ? sysfs_create_dir_ns+0x282/0x390
[  381.777406][ T6704]  sysfs_create_dir_ns+0x2c6/0x390
[  381.782558][ T6704]  ? sysfs_warn_dup+0xa0/0xa0
[  381.787263][ T6704]  ? do_raw_spin_unlock+0x137/0x8b0
[  381.792507][ T6704]  ? kobject_set_name_vargs+0xca/0x110
[  381.798045][ T6704]  kobject_add_internal+0x6e0/0xe00
[  381.803485][ T6704]  kobject_init_and_add+0x120/0x190
[  381.808812][ T6704]  ? lockdep_softirqs_off+0x420/0x420
[  381.814315][ T6704]  ? widen_string+0x3a/0x310
[  381.818953][ T6704]  ? kobject_add+0x210/0x210
[  381.823667][ T6704]  ? __init_swait_queue_head+0xaa/0x140
[  381.829261][ T6704]  gfs2_sys_fs_add+0x237/0x4a0
[  381.834155][ T6704]  ? gfs2_recover_set+0x240/0x240
[  381.839326][ T6704]  ? snprintf+0xd6/0x120
[  381.843701][ T6704]  ? vscnprintf+0x80/0x80
[  381.848209][ T6704]  ? read_word_at_a_time+0xe/0x20
[  381.853390][ T6704]  ? strscpy+0x89/0x220
[  381.857586][ T6704]  gfs2_fill_super+0x1299/0x2750
[  381.862685][ T6704]  ? gfs2_reconfigure+0xcf0/0xcf0
[  381.867925][ T6704]  ? ptr_to_hashval+0x60/0x60
[  381.872639][ T6704]  ? up_write+0x19d/0x580
[  381.877054][ T6704]  ? set_blocksize+0x1ec/0x370
[  381.881870][ T6704]  get_tree_bdev+0x3fe/0x620
[  381.886503][ T6704]  ? gfs2_reconfigure+0xcf0/0xcf0
[  381.891824][ T6704]  gfs2_get_tree+0x50/0x210
[  381.896396][ T6704]  ? bpf_lsm_capable+0x5/0x10
[  381.901210][ T6704]  vfs_get_tree+0x88/0x270
[  381.905655][ T6704]  do_new_mount+0x2ba/0xb40
[  381.910291][ T6704]  ? do_move_mount_old+0x160/0x160
[  381.915442][ T6704]  ? user_path_at_empty+0x12b/0x180
[  381.920667][ T6704]  __se_sys_mount+0x2d5/0x3c0
[  381.925366][ T6704]  ? __x64_sys_mount+0xc0/0xc0
[  381.930234][ T6704]  ? syscall_enter_from_user_mode+0x2e/0x240
[  381.936225][ T6704]  ? lockdep_hardirqs_on+0x94/0x130
[  381.941480][ T6704]  ? __x64_sys_mount+0x1c/0xc0
[  381.946273][ T6704]  do_syscall_64+0x3b/0xb0
[  381.950732][ T6704]  ? clear_bhb_loop+0x15/0x70
[  381.955510][ T6704]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  381.961454][ T6704] RIP: 0033:0x7fc971f7e90a
[  381.965982][ T6704] 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
[  381.985774][ T6704] RSP: 002b:00007fc9711ede68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  381.994216][ T6704] RAX: ffffffffffffffda RBX: 00007fc9711edef0 RCX: 00007fc971f7e90a
[  382.002209][ T6704] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc9711edeb0
[  382.010222][ T6704] RBP: 0000200000000400 R08: 00007fc9711edef0 R09: 0000000000000000
[  382.018210][ T6704] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  382.026198][ T6704] R13: 00007fc9711edeb0 R14: 00000000000125bb R15: 00002000000004c0
[  382.034282][ T6704]  </TASK>
[  382.037306][ T6708] CPU: 1 PID: 6708 Comm: syz.1.459 Not tainted 5.15.180-syzkaller #0
[  382.045400][ T6708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  382.055467][ T6708] Call Trace:
[  382.058749][ T6708]  <TASK>
[  382.061681][ T6708]  dump_stack_lvl+0x1e3/0x2d0
[  382.066370][ T6708]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  382.072012][ T6708]  ? panic+0x860/0x860
[  382.076113][ T6708]  ? sysfs_create_dir_ns+0x282/0x390
[  382.081411][ T6708]  sysfs_create_dir_ns+0x2c6/0x390
[  382.086530][ T6708]  ? sysfs_warn_dup+0xa0/0xa0
[  382.091221][ T6708]  ? do_raw_spin_unlock+0x137/0x8b0
[  382.096427][ T6708]  ? kobject_set_name_vargs+0xca/0x110
[  382.101896][ T6708]  kobject_add_internal+0x6e0/0xe00
[  382.107105][ T6708]  kobject_init_and_add+0x120/0x190
[  382.112304][ T6708]  ? lockdep_softirqs_off+0x420/0x420
[  382.117676][ T6708]  ? widen_string+0x3a/0x310
[  382.122274][ T6708]  ? kobject_add+0x210/0x210
[  382.126871][ T6708]  ? __init_swait_queue_head+0xaa/0x140
[  382.132422][ T6708]  gfs2_sys_fs_add+0x237/0x4a0
[  382.137190][ T6708]  ? gfs2_recover_set+0x240/0x240
[  382.142222][ T6708]  ? snprintf+0xd6/0x120
[  382.146485][ T6708]  ? vscnprintf+0x80/0x80
[  382.150836][ T6708]  ? read_word_at_a_time+0xe/0x20
[  382.156002][ T6708]  ? strscpy+0x89/0x220
[  382.160280][ T6708]  gfs2_fill_super+0x1299/0x2750
[  382.165362][ T6708]  ? gfs2_reconfigure+0xcf0/0xcf0
[  382.170429][ T6708]  ? ptr_to_hashval+0x60/0x60
[  382.175303][ T6708]  ? up_write+0x19d/0x580
[  382.179665][ T6708]  ? set_blocksize+0x1ec/0x370
[  382.184461][ T6708]  get_tree_bdev+0x3fe/0x620
[  382.189178][ T6708]  ? gfs2_reconfigure+0xcf0/0xcf0
[  382.194220][ T6708]  gfs2_get_tree+0x50/0x210
[  382.198733][ T6708]  ? bpf_lsm_capable+0x5/0x10
[  382.203420][ T6708]  vfs_get_tree+0x88/0x270
[  382.207842][ T6708]  do_new_mount+0x2ba/0xb40
[  382.212369][ T6708]  ? do_move_mount_old+0x160/0x160
[  382.217499][ T6708]  ? user_path_at_empty+0x12b/0x180
[  382.222703][ T6708]  __se_sys_mount+0x2d5/0x3c0
[  382.227420][ T6708]  ? __x64_sys_mount+0xc0/0xc0
[  382.232183][ T6708]  ? syscall_enter_from_user_mode+0x2e/0x240
[  382.238163][ T6708]  ? lockdep_hardirqs_on+0x94/0x130
[  382.243405][ T6708]  ? __x64_sys_mount+0x1c/0xc0
[  382.248175][ T6708]  do_syscall_64+0x3b/0xb0
[  382.252611][ T6708]  ? clear_bhb_loop+0x15/0x70
[  382.257394][ T6708]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  382.263329][ T6708] RIP: 0033:0x7f05712b490a
[  382.267779][ T6708] 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
[  382.287800][ T6708] RSP: 002b:00007f0570523e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  382.296529][ T6708] RAX: ffffffffffffffda RBX: 00007f0570523ef0 RCX: 00007f05712b490a
[  382.304598][ T6708] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0570523eb0
[  382.312749][ T6708] RBP: 0000200000000400 R08: 00007f0570523ef0 R09: 0000000000000000
[  382.320745][ T6708] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  382.328730][ T6708] R13: 00007f0570523eb0 R14: 00000000000125bb R15: 00002000000004c0
[  382.336745][ T6708]  </TASK>
[  382.339863][ T6710] CPU: 0 PID: 6710 Comm: syz.2.460 Not tainted 5.15.180-syzkaller #0
[  382.347962][ T6710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  382.358419][ T6710] Call Trace:
[  382.359168][ T6708] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  382.361911][ T6710]  <TASK>
[  382.361923][ T6710]  dump_stack_lvl+0x1e3/0x2d0
[  382.382741][ T6710]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  382.382924][ T6708] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  382.388394][ T6710]  ? panic+0x860/0x860
[  382.388422][ T6710]  ? sysfs_create_dir_ns+0x282/0x390
[  382.388452][ T6710]  sysfs_create_dir_ns+0x2c6/0x390
[  382.388481][ T6710]  ? sysfs_warn_dup+0xa0/0xa0
[  382.404530][ T6704] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  382.409433][ T6710]  ? do_raw_spin_unlock+0x137/0x8b0
[  382.409466][ T6710]  ? kobject_set_name_vargs+0xca/0x110
[  382.409494][ T6710]  kobject_add_internal+0x6e0/0xe00
[  382.409525][ T6710]  kobject_init_and_add+0x120/0x190
[  382.409546][ T6710]  ? lockdep_softirqs_off+0x420/0x420
[  382.409567][ T6710]  ? widen_string+0x3a/0x310
[  382.414593][ T6704] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  382.427496][ T6710]  ? kobject_add+0x210/0x210
[  382.427530][ T6710]  ? __init_swait_queue_head+0xaa/0x140
[  382.427558][ T6710]  gfs2_sys_fs_add+0x237/0x4a0
[  382.427586][ T6710]  ? gfs2_recover_set+0x240/0x240
[  382.427608][ T6710]  ? snprintf+0xd6/0x120
[  382.427636][ T6710]  ? vscnprintf+0x80/0x80
[  382.427666][ T6710]  ? read_word_at_a_time+0xe/0x20
[  382.427690][ T6710]  ? strscpy+0x89/0x220
[  382.427716][ T6710]  gfs2_fill_super+0x1299/0x2750
[  382.427758][ T6710]  ? gfs2_reconfigure+0xcf0/0xcf0
[  382.513311][ T6710]  ? ptr_to_hashval+0x60/0x60
[  382.518015][ T6710]  ? up_write+0x19d/0x580
[  382.522402][ T6710]  ? set_blocksize+0x1ec/0x370
[  382.527197][ T6710]  get_tree_bdev+0x3fe/0x620
[  382.531811][ T6710]  ? gfs2_reconfigure+0xcf0/0xcf0
[  382.536913][ T6710]  gfs2_get_tree+0x50/0x210
[  382.541527][ T6710]  ? bpf_lsm_capable+0x5/0x10
[  382.546240][ T6710]  vfs_get_tree+0x88/0x270
[  382.550705][ T6710]  do_new_mount+0x2ba/0xb40
[  382.555445][ T6710]  ? do_move_mount_old+0x160/0x160
[  382.560596][ T6710]  ? user_path_at_empty+0x12b/0x180
[  382.565825][ T6710]  __se_sys_mount+0x2d5/0x3c0
[  382.570527][ T6710]  ? __x64_sys_mount+0xc0/0xc0
[  382.575327][ T6710]  ? syscall_enter_from_user_mode+0x2e/0x240
[  382.581437][ T6710]  ? lockdep_hardirqs_on+0x94/0x130
[  382.586658][ T6710]  ? __x64_sys_mount+0x1c/0xc0
[  382.591538][ T6710]  do_syscall_64+0x3b/0xb0
[  382.595962][ T6710]  ? clear_bhb_loop+0x15/0x70
[  382.600660][ T6710]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  382.606600][ T6710] RIP: 0033:0x7fce8a7b190a
[  382.611040][ T6710] 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
[  382.630716][ T6710] RSP: 002b:00007fce89a20e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  382.639159][ T6710] RAX: ffffffffffffffda RBX: 00007fce89a20ef0 RCX: 00007fce8a7b190a
[  382.647148][ T6710] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fce89a20eb0
[  382.655150][ T6710] RBP: 0000200000000400 R08: 00007fce89a20ef0 R09: 0000000000000000
[  382.663232][ T6710] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  382.671232][ T6710] R13: 00007fce89a20eb0 R14: 00000000000125bb R15: 00002000000004c0
[  382.679626][ T6710]  </TASK>
[  382.682651][ T6707] CPU: 1 PID: 6707 Comm: syz.4.458 Not tainted 5.15.180-syzkaller #0
[  382.686622][ T6710] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  382.690738][ T6707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  382.690754][ T6707] Call Trace:
[  382.690762][ T6707]  <TASK>
[  382.703996][ T6710] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  382.714262][ T6707]  dump_stack_lvl+0x1e3/0x2d0
[  382.714298][ T6707]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  382.737459][ T6707]  ? panic+0x860/0x860
[  382.741562][ T6707]  ? sysfs_create_dir_ns+0x282/0x390
[  382.746856][ T6707]  sysfs_create_dir_ns+0x2c6/0x390
[  382.752065][ T6707]  ? sysfs_warn_dup+0xa0/0xa0
[  382.756747][ T6707]  ? do_raw_spin_unlock+0x137/0x8b0
[  382.762036][ T6707]  ? kobject_set_name_vargs+0xca/0x110
[  382.767524][ T6707]  kobject_add_internal+0x6e0/0xe00
[  382.772733][ T6707]  kobject_init_and_add+0x120/0x190
[  382.777963][ T6707]  ? lockdep_softirqs_off+0x420/0x420
[  382.783334][ T6707]  ? widen_string+0x3a/0x310
[  382.788081][ T6707]  ? kobject_add+0x210/0x210
[  382.792693][ T6707]  ? __init_swait_queue_head+0xaa/0x140
[  382.798267][ T6707]  gfs2_sys_fs_add+0x237/0x4a0
[  382.803044][ T6707]  ? gfs2_recover_set+0x240/0x240
[  382.808078][ T6707]  ? snprintf+0xd6/0x120
[  382.812434][ T6707]  ? vscnprintf+0x80/0x80
[  382.816952][ T6707]  ? read_word_at_a_time+0xe/0x20
[  382.822003][ T6707]  ? strscpy+0x89/0x220
[  382.826159][ T6707]  gfs2_fill_super+0x1299/0x2750
[  382.831117][ T6707]  ? gfs2_reconfigure+0xcf0/0xcf0
[  382.836244][ T6707]  ? ptr_to_hashval+0x60/0x60
[  382.840958][ T6707]  ? up_write+0x19d/0x580
[  382.845546][ T6707]  ? set_blocksize+0x1ec/0x370
[  382.850347][ T6707]  get_tree_bdev+0x3fe/0x620
[  382.854953][ T6707]  ? gfs2_reconfigure+0xcf0/0xcf0
[  382.860080][ T6707]  gfs2_get_tree+0x50/0x210
[  382.864587][ T6707]  ? bpf_lsm_capable+0x5/0x10
[  382.869268][ T6707]  vfs_get_tree+0x88/0x270
[  382.873688][ T6707]  do_new_mount+0x2ba/0xb40
[  382.878214][ T6707]  ? do_move_mount_old+0x160/0x160
[  382.883332][ T6707]  ? user_path_at_empty+0x12b/0x180
[  382.888532][ T6707]  __se_sys_mount+0x2d5/0x3c0
[  382.893216][ T6707]  ? __x64_sys_mount+0xc0/0xc0
[  382.897978][ T6707]  ? syscall_enter_from_user_mode+0x2e/0x240
[  382.903960][ T6707]  ? lockdep_hardirqs_on+0x94/0x130
[  382.909172][ T6707]  ? __x64_sys_mount+0x1c/0xc0
[  382.914177][ T6707]  do_syscall_64+0x3b/0xb0
[  382.918672][ T6707]  ? clear_bhb_loop+0x15/0x70
[  382.923384][ T6707]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  382.929566][ T6707] RIP: 0033:0x7f79bbc9990a
[  382.933988][ T6707] 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
[  382.953860][ T6707] RSP: 002b:00007f79baf08e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  382.962278][ T6707] RAX: ffffffffffffffda RBX: 00007f79baf08ef0 RCX: 00007f79bbc9990a
[  382.970250][ T6707] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f79baf08eb0
[  382.978223][ T6707] RBP: 0000200000000400 R08: 00007f79baf08ef0 R09: 0000000000000000
[  382.986194][ T6707] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  382.994164][ T6707] R13: 00007f79baf08eb0 R14: 00000000000125bb R15: 00002000000004c0
[  383.002296][ T6707]  </TASK>
[  383.010975][ T6707] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  383.024401][ T6707] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  384.330797][ T6712] loop5: detected capacity change from 0 to 32768
[  384.429398][ T6712] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  384.467715][ T6712] CPU: 1 PID: 6712 Comm: syz.5.461 Not tainted 5.15.180-syzkaller #0
[  384.475843][ T6712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  384.486188][ T6712] Call Trace:
[  384.489487][ T6712]  <TASK>
[  384.492436][ T6712]  dump_stack_lvl+0x1e3/0x2d0
[  384.497241][ T6712]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  384.502925][ T6712]  ? panic+0x860/0x860
[  384.507023][ T6712]  ? sysfs_create_dir_ns+0x282/0x390
[  384.512340][ T6712]  sysfs_create_dir_ns+0x2c6/0x390
[  384.517475][ T6712]  ? sysfs_warn_dup+0xa0/0xa0
[  384.522264][ T6712]  ? do_raw_spin_unlock+0x137/0x8b0
[  384.527717][ T6712]  ? kobject_set_name_vargs+0xca/0x110
[  384.533295][ T6712]  kobject_add_internal+0x6e0/0xe00
[  384.538641][ T6712]  kobject_init_and_add+0x120/0x190
[  384.544009][ T6712]  ? lockdep_softirqs_off+0x420/0x420
[  384.546296][ T6716] loop0: detected capacity change from 0 to 32768
[  384.549402][ T6712]  ? widen_string+0x3a/0x310
[  384.560677][ T6712]  ? kobject_add+0x210/0x210
[  384.565301][ T6712]  ? __init_swait_queue_head+0xaa/0x140
[  384.570958][ T6712]  gfs2_sys_fs_add+0x237/0x4a0
[  384.575768][ T6712]  ? gfs2_recover_set+0x240/0x240
[  384.577214][ T6714] loop1: detected capacity change from 0 to 32768
[  384.580835][ T6712]  ? snprintf+0xd6/0x120
[  384.590694][ T6718] loop2: detected capacity change from 0 to 32768
[  384.591594][ T6712]  ? vscnprintf+0x80/0x80
[  384.602459][ T6712]  ? read_word_at_a_time+0xe/0x20
[  384.607607][ T6712]  ? strscpy+0x89/0x220
[  384.611799][ T6712]  gfs2_fill_super+0x1299/0x2750
[  384.616832][ T6712]  ? gfs2_reconfigure+0xcf0/0xcf0
[  384.621936][ T6712]  ? ptr_to_hashval+0x60/0x60
[  384.626801][ T6712]  ? up_write+0x19d/0x580
[  384.631182][ T6712]  ? set_blocksize+0x1ec/0x370
[  384.636033][ T6712]  get_tree_bdev+0x3fe/0x620
[  384.640659][ T6712]  ? gfs2_reconfigure+0xcf0/0xcf0
[  384.645713][ T6712]  gfs2_get_tree+0x50/0x210
[  384.650329][ T6712]  ? bpf_lsm_capable+0x5/0x10
[  384.655064][ T6712]  vfs_get_tree+0x88/0x270
[  384.659506][ T6712]  do_new_mount+0x2ba/0xb40
[  384.664041][ T6712]  ? do_move_mount_old+0x160/0x160
[  384.669391][ T6712]  ? user_path_at_empty+0x12b/0x180
[  384.674668][ T6712]  __se_sys_mount+0x2d5/0x3c0
[  384.679379][ T6712]  ? __x64_sys_mount+0xc0/0xc0
[  384.680469][ T6720] loop4: detected capacity change from 0 to 32768
[  384.684274][ T6712]  ? syscall_enter_from_user_mode+0x2e/0x240
[  384.684303][ T6712]  ? lockdep_hardirqs_on+0x94/0x130
[  384.701979][ T6712]  ? __x64_sys_mount+0x1c/0xc0
[  384.706879][ T6712]  do_syscall_64+0x3b/0xb0
[  384.711323][ T6712]  ? clear_bhb_loop+0x15/0x70
[  384.716162][ T6712]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  384.722077][ T6712] RIP: 0033:0x7f806f2b290a
[  384.726524][ T6712] 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
[  384.746229][ T6712] RSP: 002b:00007f806e521e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  384.754665][ T6712] RAX: ffffffffffffffda RBX: 00007f806e521ef0 RCX: 00007f806f2b290a
[  384.762646][ T6712] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f806e521eb0
[  384.770752][ T6712] RBP: 0000200000000400 R08: 00007f806e521ef0 R09: 0000000000000000
[  384.778997][ T6712] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  384.786981][ T6712] R13: 00007f806e521eb0 R14: 00000000000125bb R15: 00002000000004c0
[  384.794973][ T6712]  </TASK>
[  384.801254][ T6712] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  384.814988][ T6712] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  384.843685][ T6714] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  384.844868][ T6720] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  384.853016][ T6714] CPU: 1 PID: 6714 Comm: syz.1.462 Not tainted 5.15.180-syzkaller #0
[  384.858826][ T6718] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  384.866915][ T6714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  384.866935][ T6714] Call Trace:
[  384.866945][ T6714]  <TASK>
[  384.866955][ T6714]  dump_stack_lvl+0x1e3/0x2d0
[  384.866991][ T6714]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  384.874761][ T6716] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  384.884392][ T6714]  ? panic+0x860/0x860
[  384.912445][ T6714]  ? sysfs_create_dir_ns+0x282/0x390
[  384.917769][ T6714]  sysfs_create_dir_ns+0x2c6/0x390
[  384.922897][ T6714]  ? sysfs_warn_dup+0xa0/0xa0
[  384.927653][ T6714]  ? do_raw_spin_unlock+0x137/0x8b0
[  384.932868][ T6714]  ? kobject_set_name_vargs+0xca/0x110
[  384.938350][ T6714]  kobject_add_internal+0x6e0/0xe00
[  384.943600][ T6714]  kobject_init_and_add+0x120/0x190
[  384.948824][ T6714]  ? lockdep_softirqs_off+0x420/0x420
[  384.954205][ T6714]  ? widen_string+0x3a/0x310
[  384.958820][ T6714]  ? kobject_add+0x210/0x210
[  384.963604][ T6714]  ? __init_swait_queue_head+0xaa/0x140
[  384.969194][ T6714]  gfs2_sys_fs_add+0x237/0x4a0
[  384.974026][ T6714]  ? gfs2_recover_set+0x240/0x240
[  384.979286][ T6714]  ? snprintf+0xd6/0x120
[  384.983548][ T6714]  ? vscnprintf+0x80/0x80
[  384.988164][ T6714]  ? read_word_at_a_time+0xe/0x20
[  384.993283][ T6714]  ? strscpy+0x89/0x220
[  384.997465][ T6714]  gfs2_fill_super+0x1299/0x2750
[  385.002445][ T6714]  ? gfs2_reconfigure+0xcf0/0xcf0
[  385.007485][ T6714]  ? ptr_to_hashval+0x60/0x60
[  385.012178][ T6714]  ? up_write+0x19d/0x580
[  385.016536][ T6714]  ? set_blocksize+0x1ec/0x370
[  385.021421][ T6714]  get_tree_bdev+0x3fe/0x620
[  385.026109][ T6714]  ? gfs2_reconfigure+0xcf0/0xcf0
[  385.031148][ T6714]  gfs2_get_tree+0x50/0x210
[  385.035700][ T6714]  ? bpf_lsm_capable+0x5/0x10
[  385.040515][ T6714]  vfs_get_tree+0x88/0x270
[  385.044982][ T6714]  do_new_mount+0x2ba/0xb40
[  385.049525][ T6714]  ? do_move_mount_old+0x160/0x160
[  385.054651][ T6714]  ? user_path_at_empty+0x12b/0x180
[  385.059901][ T6714]  __se_sys_mount+0x2d5/0x3c0
[  385.064620][ T6714]  ? __x64_sys_mount+0xc0/0xc0
[  385.069408][ T6714]  ? syscall_enter_from_user_mode+0x2e/0x240
[  385.075402][ T6714]  ? lockdep_hardirqs_on+0x94/0x130
[  385.080613][ T6714]  ? __x64_sys_mount+0x1c/0xc0
[  385.085392][ T6714]  do_syscall_64+0x3b/0xb0
[  385.089812][ T6714]  ? clear_bhb_loop+0x15/0x70
[  385.094495][ T6714]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  385.100504][ T6714] RIP: 0033:0x7f05712b490a
[  385.104930][ T6714] 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
[  385.124596][ T6714] RSP: 002b:00007f0570523e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  385.133216][ T6714] RAX: ffffffffffffffda RBX: 00007f0570523ef0 RCX: 00007f05712b490a
[  385.141414][ T6714] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0570523eb0
[  385.149393][ T6714] RBP: 0000200000000400 R08: 00007f0570523ef0 R09: 0000000000000000
[  385.157377][ T6714] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  385.165455][ T6714] R13: 00007f0570523eb0 R14: 00000000000125bb R15: 00002000000004c0
[  385.173445][ T6714]  </TASK>
[  385.176467][ T6720] CPU: 0 PID: 6720 Comm: syz.4.465 Not tainted 5.15.180-syzkaller #0
[  385.184580][ T6720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  385.194660][ T6720] Call Trace:
[  385.197957][ T6720]  <TASK>
[  385.200891][ T6720]  dump_stack_lvl+0x1e3/0x2d0
[  385.205585][ T6720]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  385.211329][ T6720]  ? panic+0x860/0x860
[  385.215468][ T6720]  ? sysfs_create_dir_ns+0x282/0x390
[  385.220867][ T6720]  sysfs_create_dir_ns+0x2c6/0x390
[  385.226014][ T6720]  ? sysfs_warn_dup+0xa0/0xa0
[  385.230728][ T6720]  ? do_raw_spin_unlock+0x137/0x8b0
[  385.235958][ T6720]  ? kobject_set_name_vargs+0xca/0x110
[  385.241893][ T6720]  kobject_add_internal+0x6e0/0xe00
[  385.247135][ T6720]  kobject_init_and_add+0x120/0x190
[  385.252380][ T6720]  ? lockdep_softirqs_off+0x420/0x420
[  385.257778][ T6720]  ? widen_string+0x3a/0x310
[  385.262427][ T6720]  ? kobject_add+0x210/0x210
[  385.267091][ T6720]  ? __init_swait_queue_head+0xaa/0x140
[  385.272675][ T6720]  gfs2_sys_fs_add+0x237/0x4a0
[  385.277495][ T6720]  ? gfs2_recover_set+0x240/0x240
[  385.282681][ T6720]  ? snprintf+0xd6/0x120
[  385.286966][ T6720]  ? vscnprintf+0x80/0x80
[  385.291323][ T6720]  ? read_word_at_a_time+0xe/0x20
[  385.296363][ T6720]  ? strscpy+0x89/0x220
[  385.300548][ T6720]  gfs2_fill_super+0x1299/0x2750
[  385.305542][ T6720]  ? gfs2_reconfigure+0xcf0/0xcf0
[  385.310582][ T6720]  ? ptr_to_hashval+0x60/0x60
[  385.315277][ T6720]  ? up_write+0x19d/0x580
[  385.319648][ T6720]  ? set_blocksize+0x1ec/0x370
[  385.324436][ T6720]  get_tree_bdev+0x3fe/0x620
[  385.329152][ T6720]  ? gfs2_reconfigure+0xcf0/0xcf0
[  385.334197][ T6720]  gfs2_get_tree+0x50/0x210
[  385.338738][ T6720]  ? bpf_lsm_capable+0x5/0x10
[  385.343443][ T6720]  vfs_get_tree+0x88/0x270
[  385.347880][ T6720]  do_new_mount+0x2ba/0xb40
[  385.352412][ T6720]  ? do_move_mount_old+0x160/0x160
[  385.357552][ T6720]  ? user_path_at_empty+0x12b/0x180
[  385.362777][ T6720]  __se_sys_mount+0x2d5/0x3c0
[  385.367483][ T6720]  ? __x64_sys_mount+0xc0/0xc0
[  385.372275][ T6720]  ? syscall_enter_from_user_mode+0x2e/0x240
[  385.378267][ T6720]  ? lockdep_hardirqs_on+0x94/0x130
[  385.383486][ T6720]  ? __x64_sys_mount+0x1c/0xc0
[  385.388357][ T6720]  do_syscall_64+0x3b/0xb0
[  385.392783][ T6720]  ? clear_bhb_loop+0x15/0x70
[  385.397467][ T6720]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  385.403375][ T6720] RIP: 0033:0x7f79bbc9990a
[  385.407887][ T6720] 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
[  385.427523][ T6720] RSP: 002b:00007f79baf08e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  385.435978][ T6720] RAX: ffffffffffffffda RBX: 00007f79baf08ef0 RCX: 00007f79bbc9990a
[  385.443982][ T6720] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f79baf08eb0
[  385.452084][ T6720] RBP: 0000200000000400 R08: 00007f79baf08ef0 R09: 0000000000000000
[  385.460065][ T6720] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  385.468070][ T6720] R13: 00007f79baf08eb0 R14: 00000000000125bb R15: 00002000000004c0
[  385.476417][ T6720]  </TASK>
[  385.479619][ T6718] CPU: 1 PID: 6718 Comm: syz.2.464 Not tainted 5.15.180-syzkaller #0
[  385.487714][ T6718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  385.497785][ T6718] Call Trace:
[  385.501071][ T6718]  <TASK>
[  385.504031][ T6718]  dump_stack_lvl+0x1e3/0x2d0
[  385.508729][ T6718]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  385.514369][ T6718]  ? panic+0x860/0x860
[  385.518531][ T6718]  ? sysfs_create_dir_ns+0x282/0x390
[  385.523836][ T6718]  sysfs_create_dir_ns+0x2c6/0x390
[  385.529066][ T6718]  ? sysfs_warn_dup+0xa0/0xa0
[  385.533759][ T6718]  ? do_raw_spin_unlock+0x137/0x8b0
[  385.538988][ T6718]  ? kobject_set_name_vargs+0xca/0x110
[  385.544474][ T6718]  kobject_add_internal+0x6e0/0xe00
[  385.549814][ T6718]  kobject_init_and_add+0x120/0x190
[  385.555021][ T6718]  ? lockdep_softirqs_off+0x420/0x420
[  385.560562][ T6718]  ? widen_string+0x3a/0x310
[  385.565182][ T6718]  ? kobject_add+0x210/0x210
[  385.570012][ T6718]  ? __init_swait_queue_head+0xaa/0x140
[  385.575656][ T6718]  gfs2_sys_fs_add+0x237/0x4a0
[  385.580578][ T6718]  ? gfs2_recover_set+0x240/0x240
[  385.585633][ T6718]  ? snprintf+0xd6/0x120
[  385.589934][ T6718]  ? vscnprintf+0x80/0x80
[  385.594285][ T6718]  ? read_word_at_a_time+0xe/0x20
[  385.599403][ T6718]  ? strscpy+0x89/0x220
[  385.603577][ T6718]  gfs2_fill_super+0x1299/0x2750
[  385.608636][ T6718]  ? gfs2_reconfigure+0xcf0/0xcf0
[  385.613691][ T6718]  ? ptr_to_hashval+0x60/0x60
[  385.618391][ T6718]  ? up_write+0x19d/0x580
[  385.622848][ T6718]  ? set_blocksize+0x1ec/0x370
[  385.627666][ T6718]  get_tree_bdev+0x3fe/0x620
[  385.632325][ T6718]  ? gfs2_reconfigure+0xcf0/0xcf0
[  385.637367][ T6718]  gfs2_get_tree+0x50/0x210
[  385.641877][ T6718]  ? bpf_lsm_capable+0x5/0x10
[  385.646566][ T6718]  vfs_get_tree+0x88/0x270
[  385.651014][ T6718]  do_new_mount+0x2ba/0xb40
[  385.655642][ T6718]  ? do_move_mount_old+0x160/0x160
[  385.661182][ T6718]  ? user_path_at_empty+0x12b/0x180
[  385.666855][ T6718]  __se_sys_mount+0x2d5/0x3c0
[  385.671549][ T6718]  ? __x64_sys_mount+0xc0/0xc0
[  385.676415][ T6718]  ? syscall_enter_from_user_mode+0x2e/0x240
[  385.682426][ T6718]  ? lockdep_hardirqs_on+0x94/0x130
[  385.687854][ T6718]  ? __x64_sys_mount+0x1c/0xc0
[  385.692629][ T6718]  do_syscall_64+0x3b/0xb0
[  385.697136][ T6718]  ? clear_bhb_loop+0x15/0x70
[  385.702080][ T6718]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  385.708101][ T6718] RIP: 0033:0x7fce8a7b190a
[  385.712527][ T6718] 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
[  385.732491][ T6718] RSP: 002b:00007fce89a20e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  385.740946][ T6718] RAX: ffffffffffffffda RBX: 00007fce89a20ef0 RCX: 00007fce8a7b190a
[  385.749291][ T6718] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fce89a20eb0
[  385.757283][ T6718] RBP: 0000200000000400 R08: 00007fce89a20ef0 R09: 0000000000000000
[  385.765262][ T6718] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  385.773250][ T6718] R13: 00007fce89a20eb0 R14: 00000000000125bb R15: 00002000000004c0
[  385.781488][ T6718]  </TASK>
[  385.786047][ T6716] CPU: 0 PID: 6716 Comm: syz.0.463 Not tainted 5.15.180-syzkaller #0
[  385.792836][ T6714] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  385.794152][ T6716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  385.811158][ T6714] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  385.817300][ T6716] Call Trace:
[  385.817311][ T6716]  <TASK>
[  385.817320][ T6716]  dump_stack_lvl+0x1e3/0x2d0
[  385.817354][ T6716]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  385.817378][ T6716]  ? panic+0x860/0x860
[  385.817404][ T6716]  ? sysfs_create_dir_ns+0x282/0x390
[  385.817439][ T6716]  sysfs_create_dir_ns+0x2c6/0x390
[  385.829824][ T6718] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  385.830261][ T6716]  ? sysfs_warn_dup+0xa0/0xa0
[  385.835831][ T6718] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  385.840694][ T6716]  ? do_raw_spin_unlock+0x137/0x8b0
[  385.840728][ T6716]  ? kobject_set_name_vargs+0xca/0x110
[  385.850505][ T6720] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  385.855181][ T6716]  kobject_add_internal+0x6e0/0xe00
[  385.855219][ T6716]  kobject_init_and_add+0x120/0x190
[  385.855241][ T6716]  ? lockdep_softirqs_off+0x420/0x420
[  385.855262][ T6716]  ? widen_string+0x3a/0x310
[  385.872745][ T6720] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  385.873454][ T6716]  ? kobject_add+0x210/0x210
[  385.935884][ T6716]  ? __init_swait_queue_head+0xaa/0x140
[  385.941531][ T6716]  gfs2_sys_fs_add+0x237/0x4a0
[  385.946752][ T6716]  ? gfs2_recover_set+0x240/0x240
[  385.951948][ T6716]  ? snprintf+0xd6/0x120
[  385.956373][ T6716]  ? vscnprintf+0x80/0x80
[  385.960730][ T6716]  ? read_word_at_a_time+0xe/0x20
[  385.965775][ T6716]  ? strscpy+0x89/0x220
[  385.970003][ T6716]  gfs2_fill_super+0x1299/0x2750
[  385.975065][ T6716]  ? gfs2_reconfigure+0xcf0/0xcf0
[  385.980763][ T6716]  ? ptr_to_hashval+0x60/0x60
[  385.985452][ T6716]  ? up_write+0x19d/0x580
[  385.989828][ T6716]  ? set_blocksize+0x1ec/0x370
[  385.994596][ T6716]  get_tree_bdev+0x3fe/0x620
[  385.999194][ T6716]  ? gfs2_reconfigure+0xcf0/0xcf0
[  386.004326][ T6716]  gfs2_get_tree+0x50/0x210
[  386.008833][ T6716]  ? bpf_lsm_capable+0x5/0x10
[  386.013534][ T6716]  vfs_get_tree+0x88/0x270
[  386.017948][ T6716]  do_new_mount+0x2ba/0xb40
[  386.022577][ T6716]  ? do_move_mount_old+0x160/0x160
[  386.027734][ T6716]  ? user_path_at_empty+0x12b/0x180
[  386.032972][ T6716]  __se_sys_mount+0x2d5/0x3c0
[  386.037714][ T6716]  ? __x64_sys_mount+0xc0/0xc0
[  386.042535][ T6716]  ? syscall_enter_from_user_mode+0x2e/0x240
[  386.048643][ T6716]  ? lockdep_hardirqs_on+0x94/0x130
[  386.053873][ T6716]  ? __x64_sys_mount+0x1c/0xc0
[  386.058650][ T6716]  do_syscall_64+0x3b/0xb0
[  386.063114][ T6716]  ? clear_bhb_loop+0x15/0x70
[  386.067805][ T6716]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  386.073809][ T6716] RIP: 0033:0x7fc971f7e90a
[  386.078241][ T6716] 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
[  386.098026][ T6716] RSP: 002b:00007fc9711ede68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  386.106614][ T6716] RAX: ffffffffffffffda RBX: 00007fc9711edef0 RCX: 00007fc971f7e90a
[  386.114709][ T6716] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc9711edeb0
[  386.122966][ T6716] RBP: 0000200000000400 R08: 00007fc9711edef0 R09: 0000000000000000
[  386.131213][ T6716] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  386.139192][ T6716] R13: 00007fc9711edeb0 R14: 00000000000125bb R15: 00002000000004c0
[  386.147201][ T6716]  </TASK>
[  386.152647][ T6716] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  386.183933][ T6716] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/04/13 17:11:18 executed programs: 460
[  387.114317][ T6722] loop5: detected capacity change from 0 to 32768
[  387.199644][ T6722] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  387.214934][ T6722] CPU: 1 PID: 6722 Comm: syz.5.466 Not tainted 5.15.180-syzkaller #0
[  387.223056][ T6722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  387.233134][ T6722] Call Trace:
[  387.236448][ T6722]  <TASK>
[  387.239397][ T6722]  dump_stack_lvl+0x1e3/0x2d0
[  387.244111][ T6722]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  387.249781][ T6722]  ? panic+0x860/0x860
[  387.253904][ T6722]  ? sysfs_create_dir_ns+0x282/0x390
[  387.259240][ T6722]  sysfs_create_dir_ns+0x2c6/0x390
[  387.264403][ T6722]  ? sysfs_warn_dup+0xa0/0xa0
[  387.269209][ T6722]  ? do_raw_spin_unlock+0x137/0x8b0
[  387.274541][ T6722]  ? kobject_set_name_vargs+0xca/0x110
[  387.280044][ T6722]  kobject_add_internal+0x6e0/0xe00
[  387.285404][ T6722]  kobject_init_and_add+0x120/0x190
[  387.290639][ T6722]  ? lockdep_softirqs_off+0x420/0x420
[  387.296041][ T6722]  ? widen_string+0x3a/0x310
[  387.300664][ T6722]  ? kobject_add+0x210/0x210
[  387.305292][ T6722]  ? __init_swait_queue_head+0xaa/0x140
[  387.310876][ T6722]  gfs2_sys_fs_add+0x237/0x4a0
[  387.315761][ T6722]  ? gfs2_recover_set+0x240/0x240
[  387.320816][ T6722]  ? snprintf+0xd6/0x120
[  387.325238][ T6722]  ? vscnprintf+0x80/0x80
[  387.329624][ T6722]  ? read_word_at_a_time+0xe/0x20
[  387.334887][ T6722]  ? strscpy+0x89/0x220
[  387.339161][ T6722]  gfs2_fill_super+0x1299/0x2750
[  387.344161][ T6722]  ? gfs2_reconfigure+0xcf0/0xcf0
[  387.349301][ T6722]  ? ptr_to_hashval+0x60/0x60
[  387.354005][ T6722]  ? up_write+0x19d/0x580
[  387.358385][ T6722]  ? set_blocksize+0x1ec/0x370
[  387.363275][ T6722]  get_tree_bdev+0x3fe/0x620
[  387.367893][ T6722]  ? gfs2_reconfigure+0xcf0/0xcf0
[  387.372952][ T6722]  gfs2_get_tree+0x50/0x210
[  387.377489][ T6722]  ? bpf_lsm_capable+0x5/0x10
[  387.382214][ T6722]  vfs_get_tree+0x88/0x270
[  387.386705][ T6722]  do_new_mount+0x2ba/0xb40
[  387.391389][ T6722]  ? do_move_mount_old+0x160/0x160
[  387.396539][ T6722]  ? user_path_at_empty+0x12b/0x180
[  387.401890][ T6722]  __se_sys_mount+0x2d5/0x3c0
[  387.406598][ T6722]  ? __x64_sys_mount+0xc0/0xc0
[  387.411381][ T6722]  ? syscall_enter_from_user_mode+0x2e/0x240
[  387.417382][ T6722]  ? lockdep_hardirqs_on+0x94/0x130
[  387.422696][ T6722]  ? __x64_sys_mount+0x1c/0xc0
[  387.427522][ T6722]  do_syscall_64+0x3b/0xb0
[  387.431969][ T6722]  ? clear_bhb_loop+0x15/0x70
[  387.436671][ T6722]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  387.442599][ T6722] RIP: 0033:0x7f806f2b290a
[  387.447059][ T6722] 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
[  387.466693][ T6722] RSP: 002b:00007f806e521e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  387.475490][ T6722] RAX: ffffffffffffffda RBX: 00007f806e521ef0 RCX: 00007f806f2b290a
[  387.483787][ T6722] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f806e521eb0
[  387.491786][ T6722] RBP: 0000200000000400 R08: 00007f806e521ef0 R09: 0000000000000000
[  387.499796][ T6722] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  387.507803][ T6722] R13: 00007f806e521eb0 R14: 00000000000125bb R15: 00002000000004c0
[  387.515906][ T6722]  </TASK>
[  387.517560][ T6728] loop2: detected capacity change from 0 to 32768
[  387.590747][ T6728] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  387.604546][ T6728] CPU: 0 PID: 6728 Comm: syz.2.469 Not tainted 5.15.180-syzkaller #0
[  387.612673][ T6728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  387.622794][ T6728] Call Trace:
[  387.626107][ T6728]  <TASK>
[  387.629058][ T6728]  dump_stack_lvl+0x1e3/0x2d0
[  387.633769][ T6728]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  387.639518][ T6728]  ? panic+0x860/0x860
[  387.643617][ T6728]  ? sysfs_create_dir_ns+0x282/0x390
[  387.648975][ T6728]  sysfs_create_dir_ns+0x2c6/0x390
[  387.654208][ T6728]  ? sysfs_warn_dup+0xa0/0xa0
[  387.659012][ T6728]  ? do_raw_spin_unlock+0x137/0x8b0
[  387.664306][ T6728]  ? kobject_set_name_vargs+0xca/0x110
[  387.669900][ T6728]  kobject_add_internal+0x6e0/0xe00
[  387.675137][ T6728]  kobject_init_and_add+0x120/0x190
[  387.680395][ T6728]  ? lockdep_softirqs_off+0x420/0x420
[  387.685798][ T6728]  ? widen_string+0x3a/0x310
[  387.690421][ T6728]  ? kobject_add+0x210/0x210
[  387.695047][ T6728]  ? __init_swait_queue_head+0xaa/0x140
[  387.700645][ T6728]  gfs2_sys_fs_add+0x237/0x4a0
[  387.705563][ T6728]  ? gfs2_recover_set+0x240/0x240
[  387.710613][ T6728]  ? snprintf+0xd6/0x120
[  387.715120][ T6728]  ? vscnprintf+0x80/0x80
[  387.719484][ T6728]  ? read_word_at_a_time+0xe/0x20
[  387.724629][ T6728]  ? strscpy+0x89/0x220
[  387.728817][ T6728]  gfs2_fill_super+0x1299/0x2750
[  387.734028][ T6728]  ? gfs2_reconfigure+0xcf0/0xcf0
[  387.739079][ T6728]  ? ptr_to_hashval+0x60/0x60
[  387.744048][ T6728]  ? up_write+0x19d/0x580
[  387.748537][ T6728]  ? set_blocksize+0x1ec/0x370
[  387.753424][ T6728]  get_tree_bdev+0x3fe/0x620
[  387.758044][ T6728]  ? gfs2_reconfigure+0xcf0/0xcf0
[  387.763109][ T6728]  gfs2_get_tree+0x50/0x210
[  387.767640][ T6728]  ? bpf_lsm_capable+0x5/0x10
[  387.772352][ T6728]  vfs_get_tree+0x88/0x270
[  387.776829][ T6728]  do_new_mount+0x2ba/0xb40
[  387.781376][ T6728]  ? do_move_mount_old+0x160/0x160
[  387.786539][ T6728]  ? user_path_at_empty+0x12b/0x180
[  387.791479][ T6726] loop4: detected capacity change from 0 to 32768
[  387.791853][ T6728]  __se_sys_mount+0x2d5/0x3c0
[  387.803419][ T6728]  ? __x64_sys_mount+0xc0/0xc0
[  387.808222][ T6728]  ? syscall_enter_from_user_mode+0x2e/0x240
[  387.814236][ T6728]  ? lockdep_hardirqs_on+0x94/0x130
[  387.819732][ T6728]  ? __x64_sys_mount+0x1c/0xc0
[  387.824539][ T6728]  do_syscall_64+0x3b/0xb0
[  387.828989][ T6728]  ? clear_bhb_loop+0x15/0x70
[  387.833955][ T6728]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  387.840001][ T6728] RIP: 0033:0x7fce8a7b190a
[  387.844565][ T6728] 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
[  387.851342][ T6724] loop1: detected capacity change from 0 to 32768
[  387.864521][ T6728] RSP: 002b:00007fce89a20e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  387.864559][ T6728] RAX: ffffffffffffffda RBX: 00007fce89a20ef0 RCX: 00007fce8a7b190a
[  387.864576][ T6728] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fce89a20eb0
[  387.864593][ T6728] RBP: 0000200000000400 R08: 00007fce89a20ef0 R09: 0000000000000000
[  387.864608][ T6728] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  387.864622][ T6728] R13: 00007fce89a20eb0 R14: 00000000000125bb R15: 00002000000004c0
[  387.864653][ T6728]  </TASK>
[  387.926713][ T6728] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  387.930466][ T6722] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  387.940189][ T6728] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  387.967934][ T6722] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  387.996012][ T6726] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  387.996098][ T6724] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  388.013763][ T6726] CPU: 1 PID: 6726 Comm: syz.4.468 Not tainted 5.15.180-syzkaller #0
[  388.021875][ T6726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  388.031955][ T6726] Call Trace:
[  388.035255][ T6726]  <TASK>
[  388.038234][ T6726]  dump_stack_lvl+0x1e3/0x2d0
[  388.043083][ T6726]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  388.048749][ T6726]  ? panic+0x860/0x860
[  388.052860][ T6726]  ? sysfs_create_dir_ns+0x282/0x390
[  388.058255][ T6726]  sysfs_create_dir_ns+0x2c6/0x390
[  388.063404][ T6726]  ? sysfs_warn_dup+0xa0/0xa0
[  388.068113][ T6726]  ? do_raw_spin_unlock+0x137/0x8b0
[  388.073328][ T6726]  ? kobject_set_name_vargs+0xca/0x110
[  388.078818][ T6726]  kobject_add_internal+0x6e0/0xe00
[  388.084040][ T6726]  kobject_init_and_add+0x120/0x190
[  388.089292][ T6726]  ? lockdep_softirqs_off+0x420/0x420
[  388.094763][ T6726]  ? widen_string+0x3a/0x310
[  388.099369][ T6726]  ? kobject_add+0x210/0x210
[  388.104400][ T6726]  ? __init_swait_queue_head+0xaa/0x140
[  388.109962][ T6726]  gfs2_sys_fs_add+0x237/0x4a0
[  388.114757][ T6726]  ? gfs2_recover_set+0x240/0x240
[  388.119878][ T6726]  ? snprintf+0xd6/0x120
[  388.124147][ T6726]  ? vscnprintf+0x80/0x80
[  388.128493][ T6726]  ? read_word_at_a_time+0xe/0x20
[  388.133610][ T6726]  ? strscpy+0x89/0x220
[  388.137774][ T6726]  gfs2_fill_super+0x1299/0x2750
[  388.142732][ T6726]  ? gfs2_reconfigure+0xcf0/0xcf0
[  388.147767][ T6726]  ? ptr_to_hashval+0x60/0x60
[  388.152549][ T6726]  ? up_write+0x19d/0x580
[  388.156920][ T6726]  ? set_blocksize+0x1ec/0x370
[  388.162020][ T6726]  get_tree_bdev+0x3fe/0x620
[  388.166637][ T6726]  ? gfs2_reconfigure+0xcf0/0xcf0
[  388.171694][ T6726]  gfs2_get_tree+0x50/0x210
[  388.176221][ T6726]  ? bpf_lsm_capable+0x5/0x10
[  388.180935][ T6726]  vfs_get_tree+0x88/0x270
[  388.185397][ T6726]  do_new_mount+0x2ba/0xb40
[  388.190223][ T6726]  ? do_move_mount_old+0x160/0x160
[  388.195636][ T6726]  ? user_path_at_empty+0x12b/0x180
[  388.200867][ T6726]  __se_sys_mount+0x2d5/0x3c0
[  388.205571][ T6726]  ? __x64_sys_mount+0xc0/0xc0
[  388.210363][ T6726]  ? syscall_enter_from_user_mode+0x2e/0x240
[  388.216385][ T6726]  ? lockdep_hardirqs_on+0x94/0x130
[  388.221695][ T6726]  ? __x64_sys_mount+0x1c/0xc0
[  388.226472][ T6726]  do_syscall_64+0x3b/0xb0
[  388.230922][ T6726]  ? clear_bhb_loop+0x15/0x70
[  388.235708][ T6726]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  388.241698][ T6726] RIP: 0033:0x7f79bbc9990a
[  388.246311][ T6726] 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
[  388.265940][ T6726] RSP: 002b:00007f79baf08e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  388.274378][ T6726] RAX: ffffffffffffffda RBX: 00007f79baf08ef0 RCX: 00007f79bbc9990a
[  388.282473][ T6726] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f79baf08eb0
[  388.290930][ T6726] RBP: 0000200000000400 R08: 00007f79baf08ef0 R09: 0000000000000000
[  388.299015][ T6726] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  388.307004][ T6726] R13: 00007f79baf08eb0 R14: 00000000000125bb R15: 00002000000004c0
[  388.315012][ T6726]  </TASK>
[  388.323309][ T6724] CPU: 0 PID: 6724 Comm: syz.1.467 Not tainted 5.15.180-syzkaller #0
[  388.328174][ T6726] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  388.331418][ T6724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  388.331438][ T6724] Call Trace:
[  388.331447][ T6724]  <TASK>
[  388.331456][ T6724]  dump_stack_lvl+0x1e3/0x2d0
[  388.345135][ T6726] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  388.354879][ T6724]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  388.354915][ T6724]  ? panic+0x860/0x860
[  388.354940][ T6724]  ? sysfs_create_dir_ns+0x282/0x390
[  388.354971][ T6724]  sysfs_create_dir_ns+0x2c6/0x390
[  388.392732][ T6724]  ? sysfs_warn_dup+0xa0/0xa0
[  388.397440][ T6724]  ? do_raw_spin_unlock+0x137/0x8b0
[  388.402664][ T6724]  ? kobject_set_name_vargs+0xca/0x110
[  388.408275][ T6724]  kobject_add_internal+0x6e0/0xe00
[  388.413593][ T6724]  kobject_init_and_add+0x120/0x190
[  388.413905][ T6730] loop0: detected capacity change from 0 to 32768
[  388.418896][ T6724]  ? lockdep_softirqs_off+0x420/0x420
[  388.418922][ T6724]  ? widen_string+0x3a/0x310
[  388.418950][ T6724]  ? kobject_add+0x210/0x210
[  388.418976][ T6724]  ? __init_swait_queue_head+0xaa/0x140
[  388.445935][ T6724]  gfs2_sys_fs_add+0x237/0x4a0
[  388.450721][ T6724]  ? gfs2_recover_set+0x240/0x240
[  388.455783][ T6724]  ? snprintf+0xd6/0x120
[  388.460209][ T6724]  ? vscnprintf+0x80/0x80
[  388.464567][ T6724]  ? read_word_at_a_time+0xe/0x20
[  388.469609][ T6724]  ? strscpy+0x89/0x220
[  388.473797][ T6724]  gfs2_fill_super+0x1299/0x2750
[  388.478763][ T6724]  ? gfs2_reconfigure+0xcf0/0xcf0
[  388.483805][ T6724]  ? ptr_to_hashval+0x60/0x60
[  388.488527][ T6724]  ? up_write+0x19d/0x580
[  388.493003][ T6724]  ? set_blocksize+0x1ec/0x370
[  388.497790][ T6724]  get_tree_bdev+0x3fe/0x620
[  388.502395][ T6724]  ? gfs2_reconfigure+0xcf0/0xcf0
[  388.507792][ T6724]  gfs2_get_tree+0x50/0x210
[  388.512312][ T6724]  ? bpf_lsm_capable+0x5/0x10
[  388.516997][ T6724]  vfs_get_tree+0x88/0x270
[  388.521430][ T6724]  do_new_mount+0x2ba/0xb40
[  388.525940][ T6724]  ? do_move_mount_old+0x160/0x160
[  388.531056][ T6724]  ? user_path_at_empty+0x12b/0x180
[  388.536374][ T6724]  __se_sys_mount+0x2d5/0x3c0
[  388.541093][ T6724]  ? __x64_sys_mount+0xc0/0xc0
[  388.545884][ T6724]  ? syscall_enter_from_user_mode+0x2e/0x240
[  388.551959][ T6724]  ? lockdep_hardirqs_on+0x94/0x130
[  388.557379][ T6724]  ? __x64_sys_mount+0x1c/0xc0
[  388.562483][ T6724]  do_syscall_64+0x3b/0xb0
[  388.567011][ T6724]  ? clear_bhb_loop+0x15/0x70
[  388.571726][ T6724]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  388.577643][ T6724] RIP: 0033:0x7f05712b490a
[  388.582148][ T6724] 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
[  388.602500][ T6724] RSP: 002b:00007f0570523e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  388.610961][ T6724] RAX: ffffffffffffffda RBX: 00007f0570523ef0 RCX: 00007f05712b490a
[  388.618949][ T6724] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0570523eb0
[  388.626944][ T6724] RBP: 0000200000000400 R08: 00007f0570523ef0 R09: 0000000000000000
[  388.635405][ T6724] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  388.643390][ T6724] R13: 00007f0570523eb0 R14: 00000000000125bb R15: 00002000000004c0
[  388.651406][ T6724]  </TASK>
[  388.658377][ T6724] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  388.673302][ T6724] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  388.715052][ T6730] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  388.765027][ T6730] CPU: 1 PID: 6730 Comm: syz.0.470 Not tainted 5.15.180-syzkaller #0
[  388.773252][ T6730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  388.783340][ T6730] Call Trace:
[  388.786638][ T6730]  <TASK>
[  388.789587][ T6730]  dump_stack_lvl+0x1e3/0x2d0
[  388.794390][ T6730]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  388.800060][ T6730]  ? panic+0x860/0x860
[  388.804179][ T6730]  ? sysfs_create_dir_ns+0x282/0x390
[  388.809544][ T6730]  sysfs_create_dir_ns+0x2c6/0x390
[  388.814698][ T6730]  ? sysfs_warn_dup+0xa0/0xa0
[  388.819402][ T6730]  ? do_raw_spin_unlock+0x137/0x8b0
[  388.824643][ T6730]  ? kobject_set_name_vargs+0xca/0x110
[  388.830163][ T6730]  kobject_add_internal+0x6e0/0xe00
[  388.835505][ T6730]  kobject_init_and_add+0x120/0x190
[  388.840735][ T6730]  ? lockdep_softirqs_off+0x420/0x420
[  388.846132][ T6730]  ? widen_string+0x3a/0x310
[  388.850873][ T6730]  ? kobject_add+0x210/0x210
[  388.855512][ T6730]  ? __init_swait_queue_head+0xaa/0x140
[  388.861095][ T6730]  gfs2_sys_fs_add+0x237/0x4a0
[  388.865958][ T6730]  ? gfs2_recover_set+0x240/0x240
[  388.871106][ T6730]  ? snprintf+0xd6/0x120
[  388.875425][ T6730]  ? vscnprintf+0x80/0x80
[  388.879961][ T6730]  ? read_word_at_a_time+0xe/0x20
[  388.885019][ T6730]  ? strscpy+0x89/0x220
[  388.889207][ T6730]  gfs2_fill_super+0x1299/0x2750
[  388.894185][ T6730]  ? gfs2_reconfigure+0xcf0/0xcf0
[  388.899233][ T6730]  ? ptr_to_hashval+0x60/0x60
[  388.904020][ T6730]  ? up_write+0x19d/0x580
[  388.908392][ T6730]  ? set_blocksize+0x1ec/0x370
[  388.913192][ T6730]  get_tree_bdev+0x3fe/0x620
[  388.917808][ T6730]  ? gfs2_reconfigure+0xcf0/0xcf0
[  388.922856][ T6730]  gfs2_get_tree+0x50/0x210
[  388.927377][ T6730]  ? bpf_lsm_capable+0x5/0x10
[  388.932097][ T6730]  vfs_get_tree+0x88/0x270
[  388.936555][ T6730]  do_new_mount+0x2ba/0xb40
[  388.941280][ T6730]  ? do_move_mount_old+0x160/0x160
[  388.946611][ T6730]  ? user_path_at_empty+0x12b/0x180
[  388.951897][ T6730]  __se_sys_mount+0x2d5/0x3c0
[  388.956601][ T6730]  ? __x64_sys_mount+0xc0/0xc0
[  388.961391][ T6730]  ? syscall_enter_from_user_mode+0x2e/0x240
[  388.967395][ T6730]  ? lockdep_hardirqs_on+0x94/0x130
[  388.972626][ T6730]  ? __x64_sys_mount+0x1c/0xc0
[  388.977414][ T6730]  do_syscall_64+0x3b/0xb0
[  388.981867][ T6730]  ? clear_bhb_loop+0x15/0x70
[  388.986707][ T6730]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  388.992730][ T6730] RIP: 0033:0x7fc971f7e90a
[  388.997181][ T6730] 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
[  389.016821][ T6730] RSP: 002b:00007fc9711ede68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  389.025268][ T6730] RAX: ffffffffffffffda RBX: 00007fc9711edef0 RCX: 00007fc971f7e90a
[  389.033266][ T6730] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc9711edeb0
[  389.041263][ T6730] RBP: 0000200000000400 R08: 00007fc9711edef0 R09: 0000000000000000
[  389.049275][ T6730] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  389.057301][ T6730] R13: 00007fc9711edeb0 R14: 00000000000125bb R15: 00002000000004c0
[  389.065430][ T6730]  </TASK>
[  389.079945][ T6730] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  389.294894][ T6730] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  390.016976][ T6732] loop5: detected capacity change from 0 to 32768
[  390.088270][ T6732] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  390.109574][ T6732] CPU: 1 PID: 6732 Comm: syz.5.471 Not tainted 5.15.180-syzkaller #0
[  390.117993][ T6732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  390.128537][ T6732] Call Trace:
[  390.131834][ T6732]  <TASK>
[  390.134801][ T6732]  dump_stack_lvl+0x1e3/0x2d0
[  390.139509][ T6732]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  390.145518][ T6732]  ? panic+0x860/0x860
[  390.149617][ T6732]  ? sysfs_create_dir_ns+0x282/0x390
[  390.155288][ T6732]  sysfs_create_dir_ns+0x2c6/0x390
[  390.160441][ T6732]  ? sysfs_warn_dup+0xa0/0xa0
[  390.165183][ T6732]  ? do_raw_spin_unlock+0x137/0x8b0
[  390.170608][ T6732]  ? kobject_set_name_vargs+0xca/0x110
[  390.176189][ T6732]  kobject_add_internal+0x6e0/0xe00
[  390.181461][ T6732]  kobject_init_and_add+0x120/0x190
[  390.186688][ T6732]  ? lockdep_softirqs_off+0x420/0x420
[  390.192083][ T6732]  ? widen_string+0x3a/0x310
[  390.196707][ T6732]  ? kobject_add+0x210/0x210
[  390.201335][ T6732]  ? __init_swait_queue_head+0xaa/0x140
[  390.207145][ T6732]  gfs2_sys_fs_add+0x237/0x4a0
[  390.211943][ T6732]  ? gfs2_recover_set+0x240/0x240
[  390.217094][ T6732]  ? snprintf+0xd6/0x120
[  390.221382][ T6732]  ? vscnprintf+0x80/0x80
[  390.225752][ T6732]  ? read_word_at_a_time+0xe/0x20
[  390.230812][ T6732]  ? strscpy+0x89/0x220
[  390.235005][ T6732]  gfs2_fill_super+0x1299/0x2750
[  390.240002][ T6732]  ? gfs2_reconfigure+0xcf0/0xcf0
[  390.245166][ T6732]  ? ptr_to_hashval+0x60/0x60
[  390.249878][ T6732]  ? up_write+0x19d/0x580
[  390.254273][ T6732]  ? set_blocksize+0x1ec/0x370
[  390.259080][ T6732]  get_tree_bdev+0x3fe/0x620
[  390.263793][ T6732]  ? gfs2_reconfigure+0xcf0/0xcf0
[  390.268864][ T6732]  gfs2_get_tree+0x50/0x210
[  390.273911][ T6732]  ? bpf_lsm_capable+0x5/0x10
[  390.278834][ T6732]  vfs_get_tree+0x88/0x270
[  390.283287][ T6732]  do_new_mount+0x2ba/0xb40
[  390.287823][ T6732]  ? do_move_mount_old+0x160/0x160
[  390.292974][ T6732]  ? user_path_at_empty+0x12b/0x180
[  390.298205][ T6732]  __se_sys_mount+0x2d5/0x3c0
[  390.302912][ T6732]  ? __x64_sys_mount+0xc0/0xc0
[  390.307735][ T6732]  ? syscall_enter_from_user_mode+0x2e/0x240
[  390.313739][ T6732]  ? lockdep_hardirqs_on+0x94/0x130
[  390.318971][ T6732]  ? __x64_sys_mount+0x1c/0xc0
[  390.323763][ T6732]  do_syscall_64+0x3b/0xb0
[  390.328368][ T6732]  ? clear_bhb_loop+0x15/0x70
[  390.333159][ T6732]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  390.339170][ T6732] RIP: 0033:0x7f806f2b290a
[  390.343608][ T6732] 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
[  390.363231][ T6732] RSP: 002b:00007f806e521e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  390.371679][ T6732] RAX: ffffffffffffffda RBX: 00007f806e521ef0 RCX: 00007f806f2b290a
[  390.379944][ T6732] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f806e521eb0
[  390.387949][ T6732] RBP: 0000200000000400 R08: 00007f806e521ef0 R09: 0000000000000000
[  390.395964][ T6732] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  390.403971][ T6732] R13: 00007f806e521eb0 R14: 00000000000125bb R15: 00002000000004c0
[  390.411983][ T6732]  </TASK>
[  390.537299][ T6736] loop4: detected capacity change from 0 to 32768
[  390.560872][ T6735] loop2: detected capacity change from 0 to 32768
[  390.575382][ T6732] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  390.595882][ T6732] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  390.630218][ T6736] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  390.632619][ T6735] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  390.646087][ T6736] CPU: 0 PID: 6736 Comm: syz.4.473 Not tainted 5.15.180-syzkaller #0
[  390.654197][ T6736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  390.664277][ T6736] Call Trace:
[  390.667573][ T6736]  <TASK>
[  390.670522][ T6736]  dump_stack_lvl+0x1e3/0x2d0
[  390.675218][ T6736]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  390.680961][ T6736]  ? panic+0x860/0x860
[  390.685097][ T6736]  ? sysfs_create_dir_ns+0x282/0x390
[  390.690403][ T6736]  sysfs_create_dir_ns+0x2c6/0x390
[  390.695529][ T6736]  ? sysfs_warn_dup+0xa0/0xa0
[  390.700225][ T6736]  ? do_raw_spin_unlock+0x137/0x8b0
[  390.705441][ T6736]  ? kobject_set_name_vargs+0xca/0x110
[  390.710922][ T6736]  kobject_add_internal+0x6e0/0xe00
[  390.716360][ T6736]  kobject_init_and_add+0x120/0x190
[  390.721668][ T6736]  ? lockdep_softirqs_off+0x420/0x420
[  390.727050][ T6736]  ? widen_string+0x3a/0x310
[  390.731656][ T6736]  ? kobject_add+0x210/0x210
[  390.736267][ T6736]  ? __init_swait_queue_head+0xaa/0x140
[  390.741842][ T6736]  gfs2_sys_fs_add+0x237/0x4a0
[  390.742428][ T6738] loop1: detected capacity change from 0 to 32768
[  390.746617][ T6736]  ? gfs2_recover_set+0x240/0x240
[  390.746645][ T6736]  ? snprintf+0xd6/0x120
[  390.746675][ T6736]  ? vscnprintf+0x80/0x80
[  390.746703][ T6736]  ? read_word_at_a_time+0xe/0x20
[  390.746726][ T6736]  ? strscpy+0x89/0x220
[  390.746751][ T6736]  gfs2_fill_super+0x1299/0x2750
[  390.781181][ T6736]  ? gfs2_reconfigure+0xcf0/0xcf0
[  390.786334][ T6736]  ? ptr_to_hashval+0x60/0x60
[  390.791048][ T6736]  ? up_write+0x19d/0x580
[  390.795418][ T6736]  ? set_blocksize+0x1ec/0x370
[  390.800228][ T6736]  get_tree_bdev+0x3fe/0x620
[  390.804979][ T6736]  ? gfs2_reconfigure+0xcf0/0xcf0
[  390.810044][ T6736]  gfs2_get_tree+0x50/0x210
[  390.814580][ T6736]  ? bpf_lsm_capable+0x5/0x10
[  390.819383][ T6736]  vfs_get_tree+0x88/0x270
[  390.823850][ T6736]  do_new_mount+0x2ba/0xb40
[  390.828506][ T6736]  ? do_move_mount_old+0x160/0x160
[  390.833646][ T6736]  ? user_path_at_empty+0x12b/0x180
[  390.839097][ T6736]  __se_sys_mount+0x2d5/0x3c0
[  390.843989][ T6736]  ? __x64_sys_mount+0xc0/0xc0
[  390.849252][ T6736]  ? syscall_enter_from_user_mode+0x2e/0x240
[  390.855347][ T6736]  ? lockdep_hardirqs_on+0x94/0x130
[  390.860605][ T6736]  ? __x64_sys_mount+0x1c/0xc0
[  390.865404][ T6736]  do_syscall_64+0x3b/0xb0
[  390.869853][ T6736]  ? clear_bhb_loop+0x15/0x70
[  390.874557][ T6736]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  390.880497][ T6736] RIP: 0033:0x7f79bbc9990a
[  390.884941][ T6736] 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
[  390.904638][ T6736] RSP: 002b:00007f79baf08e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  390.914034][ T6736] RAX: ffffffffffffffda RBX: 00007f79baf08ef0 RCX: 00007f79bbc9990a
[  390.922048][ T6736] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f79baf08eb0
[  390.930053][ T6736] RBP: 0000200000000400 R08: 00007f79baf08ef0 R09: 0000000000000000
[  390.938074][ T6736] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  390.946058][ T6736] R13: 00007f79baf08eb0 R14: 00000000000125bb R15: 00002000000004c0
[  390.954066][ T6736]  </TASK>
[  390.963863][ T6736] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  390.964345][ T6735] CPU: 1 PID: 6735 Comm: syz.2.472 Not tainted 5.15.180-syzkaller #0
[  390.977212][ T6736] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  390.985064][ T6735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  390.985081][ T6735] Call Trace:
[  390.985091][ T6735]  <TASK>
[  390.985101][ T6735]  dump_stack_lvl+0x1e3/0x2d0
[  391.012873][ T6735]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  391.018521][ T6735]  ? panic+0x860/0x860
[  391.022596][ T6735]  ? sysfs_create_dir_ns+0x282/0x390
[  391.027889][ T6735]  sysfs_create_dir_ns+0x2c6/0x390
[  391.033003][ T6735]  ? sysfs_warn_dup+0xa0/0xa0
[  391.037694][ T6735]  ? do_raw_spin_unlock+0x137/0x8b0
[  391.042898][ T6735]  ? kobject_set_name_vargs+0xca/0x110
[  391.048443][ T6735]  kobject_add_internal+0x6e0/0xe00
[  391.053644][ T6735]  kobject_init_and_add+0x120/0x190
[  391.058850][ T6735]  ? lockdep_softirqs_off+0x420/0x420
[  391.064235][ T6735]  ? widen_string+0x3a/0x310
[  391.068828][ T6735]  ? kobject_add+0x210/0x210
[  391.073441][ T6735]  ? __init_swait_queue_head+0xaa/0x140
[  391.078989][ T6735]  gfs2_sys_fs_add+0x237/0x4a0
[  391.083840][ T6735]  ? gfs2_recover_set+0x240/0x240
[  391.088865][ T6735]  ? snprintf+0xd6/0x120
[  391.093135][ T6735]  ? vscnprintf+0x80/0x80
[  391.097729][ T6735]  ? read_word_at_a_time+0xe/0x20
[  391.102750][ T6735]  ? strscpy+0x89/0x220
[  391.106938][ T6735]  gfs2_fill_super+0x1299/0x2750
[  391.111897][ T6735]  ? gfs2_reconfigure+0xcf0/0xcf0
[  391.116955][ T6735]  ? ptr_to_hashval+0x60/0x60
[  391.121634][ T6735]  ? up_write+0x19d/0x580
[  391.126067][ T6735]  ? set_blocksize+0x1ec/0x370
[  391.130851][ T6735]  get_tree_bdev+0x3fe/0x620
[  391.135451][ T6735]  ? gfs2_reconfigure+0xcf0/0xcf0
[  391.140477][ T6735]  gfs2_get_tree+0x50/0x210
[  391.145000][ T6735]  ? bpf_lsm_capable+0x5/0x10
[  391.149878][ T6735]  vfs_get_tree+0x88/0x270
[  391.154383][ T6735]  do_new_mount+0x2ba/0xb40
[  391.158892][ T6735]  ? do_move_mount_old+0x160/0x160
[  391.164028][ T6735]  ? user_path_at_empty+0x12b/0x180
[  391.169314][ T6735]  __se_sys_mount+0x2d5/0x3c0
[  391.174190][ T6735]  ? __x64_sys_mount+0xc0/0xc0
[  391.179048][ T6735]  ? syscall_enter_from_user_mode+0x2e/0x240
[  391.185025][ T6735]  ? lockdep_hardirqs_on+0x94/0x130
[  391.190491][ T6735]  ? __x64_sys_mount+0x1c/0xc0
[  391.195287][ T6735]  do_syscall_64+0x3b/0xb0
[  391.199709][ T6735]  ? clear_bhb_loop+0x15/0x70
[  391.204471][ T6735]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  391.210368][ T6735] RIP: 0033:0x7fce8a7b190a
[  391.214784][ T6735] 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
[  391.234649][ T6735] RSP: 002b:00007fce89a20e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  391.243189][ T6735] RAX: ffffffffffffffda RBX: 00007fce89a20ef0 RCX: 00007fce8a7b190a
[  391.251187][ T6735] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fce89a20eb0
[  391.259165][ T6735] RBP: 0000200000000400 R08: 00007fce89a20ef0 R09: 0000000000000000
[  391.267245][ T6735] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  391.275401][ T6735] R13: 00007fce89a20eb0 R14: 00000000000125bb R15: 00002000000004c0
[  391.283511][ T6735]  </TASK>
[  391.294759][    T7] Bluetooth: hci5: command 0x0406 tx timeout
[  391.312152][ T6735] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  391.325741][ T6738] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  391.344826][ T6735] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  391.352382][ T6738] CPU: 1 PID: 6738 Comm: syz.1.474 Not tainted 5.15.180-syzkaller #0
[  391.360502][ T6738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  391.370593][ T6738] Call Trace:
[  391.373896][ T6738]  <TASK>
[  391.376847][ T6738]  dump_stack_lvl+0x1e3/0x2d0
[  391.381679][ T6738]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  391.387529][ T6738]  ? panic+0x860/0x860
[  391.391727][ T6738]  ? sysfs_create_dir_ns+0x282/0x390
[  391.397050][ T6738]  sysfs_create_dir_ns+0x2c6/0x390
[  391.402201][ T6738]  ? sysfs_warn_dup+0xa0/0xa0
[  391.406907][ T6738]  ? do_raw_spin_unlock+0x137/0x8b0
[  391.412229][ T6738]  ? kobject_set_name_vargs+0xca/0x110
[  391.417722][ T6738]  kobject_add_internal+0x6e0/0xe00
[  391.422961][ T6738]  kobject_init_and_add+0x120/0x190
[  391.428193][ T6738]  ? lockdep_softirqs_off+0x420/0x420
[  391.433597][ T6738]  ? widen_string+0x3a/0x310
[  391.438399][ T6738]  ? kobject_add+0x210/0x210
[  391.443025][ T6738]  ? __init_swait_queue_head+0xaa/0x140
[  391.448776][ T6738]  gfs2_sys_fs_add+0x237/0x4a0
[  391.453571][ T6738]  ? gfs2_recover_set+0x240/0x240
[  391.458794][ T6738]  ? snprintf+0xd6/0x120
[  391.463168][ T6738]  ? vscnprintf+0x80/0x80
[  391.467569][ T6738]  ? read_word_at_a_time+0xe/0x20
[  391.472651][ T6738]  ? strscpy+0x89/0x220
[  391.476835][ T6738]  gfs2_fill_super+0x1299/0x2750
[  391.481831][ T6738]  ? gfs2_reconfigure+0xcf0/0xcf0
[  391.486888][ T6738]  ? ptr_to_hashval+0x60/0x60
[  391.491598][ T6738]  ? up_write+0x19d/0x580
[  391.495974][ T6738]  ? set_blocksize+0x1ec/0x370
[  391.500783][ T6738]  get_tree_bdev+0x3fe/0x620
[  391.505395][ T6738]  ? gfs2_reconfigure+0xcf0/0xcf0
[  391.510485][ T6738]  gfs2_get_tree+0x50/0x210
[  391.515017][ T6738]  ? bpf_lsm_capable+0x5/0x10
[  391.519806][ T6738]  vfs_get_tree+0x88/0x270
[  391.524244][ T6738]  do_new_mount+0x2ba/0xb40
[  391.528773][ T6738]  ? do_move_mount_old+0x160/0x160
[  391.533911][ T6738]  ? user_path_at_empty+0x12b/0x180
[  391.539132][ T6738]  __se_sys_mount+0x2d5/0x3c0
[  391.543839][ T6738]  ? __x64_sys_mount+0xc0/0xc0
[  391.548627][ T6738]  ? syscall_enter_from_user_mode+0x2e/0x240
[  391.554639][ T6738]  ? lockdep_hardirqs_on+0x94/0x130
[  391.559882][ T6738]  ? __x64_sys_mount+0x1c/0xc0
[  391.564678][ T6738]  do_syscall_64+0x3b/0xb0
[  391.569130][ T6738]  ? clear_bhb_loop+0x15/0x70
[  391.573885][ T6738]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  391.579800][ T6738] RIP: 0033:0x7f05712b490a
[  391.584237][ T6738] 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
[  391.604062][ T6738] RSP: 002b:00007f0570523e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  391.612609][ T6738] RAX: ffffffffffffffda RBX: 00007f0570523ef0 RCX: 00007f05712b490a
[  391.620698][ T6738] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0570523eb0
[  391.628787][ T6738] RBP: 0000200000000400 R08: 00007f0570523ef0 R09: 0000000000000000
[  391.636781][ T6738] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
2025/04/13 17:11:24 executed programs: 470
[  391.644775][ T6738] R13: 00007f0570523eb0 R14: 00000000000125bb R15: 00002000000004c0
[  391.653005][ T6738]  </TASK>
[  391.713739][ T6740] loop0: detected capacity change from 0 to 32768
[  391.722196][ T6738] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  391.791257][ T6738] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  391.833419][ T6740] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  391.864993][ T6740] CPU: 1 PID: 6740 Comm: syz.0.475 Not tainted 5.15.180-syzkaller #0
[  391.873194][ T6740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  391.883283][ T6740] Call Trace:
[  391.886581][ T6740]  <TASK>
[  391.889529][ T6740]  dump_stack_lvl+0x1e3/0x2d0
[  391.894233][ T6740]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  391.899893][ T6740]  ? panic+0x860/0x860
[  391.903997][ T6740]  ? sysfs_create_dir_ns+0x282/0x390
[  391.909348][ T6740]  sysfs_create_dir_ns+0x2c6/0x390
[  391.914585][ T6740]  ? sysfs_warn_dup+0xa0/0xa0
[  391.919378][ T6740]  ? do_raw_spin_unlock+0x137/0x8b0
[  391.924610][ T6740]  ? kobject_set_name_vargs+0xca/0x110
[  391.930102][ T6740]  kobject_add_internal+0x6e0/0xe00
[  391.935430][ T6740]  kobject_init_and_add+0x120/0x190
[  391.940758][ T6740]  ? lockdep_softirqs_off+0x420/0x420
[  391.946170][ T6740]  ? widen_string+0x3a/0x310
[  391.950808][ T6740]  ? kobject_add+0x210/0x210
[  391.955524][ T6740]  ? __init_swait_queue_head+0xaa/0x140
[  391.961101][ T6740]  gfs2_sys_fs_add+0x237/0x4a0
[  391.966037][ T6740]  ? gfs2_recover_set+0x240/0x240
[  391.971180][ T6740]  ? snprintf+0xd6/0x120
[  391.975491][ T6740]  ? vscnprintf+0x80/0x80
[  391.979858][ T6740]  ? read_word_at_a_time+0xe/0x20
[  391.984912][ T6740]  ? strscpy+0x89/0x220
[  391.989098][ T6740]  gfs2_fill_super+0x1299/0x2750
[  391.994175][ T6740]  ? gfs2_reconfigure+0xcf0/0xcf0
[  391.999343][ T6740]  ? ptr_to_hashval+0x60/0x60
[  392.004227][ T6740]  ? up_write+0x19d/0x580
[  392.008692][ T6740]  ? set_blocksize+0x1ec/0x370
[  392.013503][ T6740]  get_tree_bdev+0x3fe/0x620
[  392.018124][ T6740]  ? gfs2_reconfigure+0xcf0/0xcf0
[  392.023202][ T6740]  gfs2_get_tree+0x50/0x210
[  392.027729][ T6740]  ? bpf_lsm_capable+0x5/0x10
[  392.032541][ T6740]  vfs_get_tree+0x88/0x270
[  392.037109][ T6740]  do_new_mount+0x2ba/0xb40
[  392.041648][ T6740]  ? do_move_mount_old+0x160/0x160
[  392.047187][ T6740]  ? user_path_at_empty+0x12b/0x180
[  392.052627][ T6740]  __se_sys_mount+0x2d5/0x3c0
[  392.057375][ T6740]  ? __x64_sys_mount+0xc0/0xc0
[  392.062164][ T6740]  ? syscall_enter_from_user_mode+0x2e/0x240
[  392.068169][ T6740]  ? lockdep_hardirqs_on+0x94/0x130
[  392.073405][ T6740]  ? __x64_sys_mount+0x1c/0xc0
[  392.078204][ T6740]  do_syscall_64+0x3b/0xb0
[  392.082647][ T6740]  ? clear_bhb_loop+0x15/0x70
[  392.087394][ T6740]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  392.093322][ T6740] RIP: 0033:0x7fc971f7e90a
[  392.097784][ T6740] 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
[  392.117422][ T6740] RSP: 002b:00007fc9711ede68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  392.125982][ T6740] RAX: ffffffffffffffda RBX: 00007fc9711edef0 RCX: 00007fc971f7e90a
[  392.133987][ T6740] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc9711edeb0
[  392.141993][ T6740] RBP: 0000200000000400 R08: 00007fc9711edef0 R09: 0000000000000000
[  392.150011][ T6740] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  392.158105][ T6740] R13: 00007fc9711edeb0 R14: 00000000000125bb R15: 00002000000004c0
[  392.168404][ T6740]  </TASK>
[  392.175781][ T6740] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  392.189518][ T6740] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  392.770747][ T6742] loop5: detected capacity change from 0 to 32768
[  392.895388][ T6742] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  392.914023][ T6742] CPU: 1 PID: 6742 Comm: syz.5.476 Not tainted 5.15.180-syzkaller #0
[  392.922328][ T6742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  392.932409][ T6742] Call Trace:
[  392.935716][ T6742]  <TASK>
[  392.938674][ T6742]  dump_stack_lvl+0x1e3/0x2d0
[  392.943445][ T6742]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  392.949101][ T6742]  ? panic+0x860/0x860
[  392.953202][ T6742]  ? sysfs_create_dir_ns+0x282/0x390
[  392.958624][ T6742]  sysfs_create_dir_ns+0x2c6/0x390
[  392.963862][ T6742]  ? sysfs_warn_dup+0xa0/0xa0
[  392.968660][ T6742]  ? do_raw_spin_unlock+0x137/0x8b0
[  392.973891][ T6742]  ? kobject_set_name_vargs+0xca/0x110
[  392.979402][ T6742]  kobject_add_internal+0x6e0/0xe00
[  392.984683][ T6742]  kobject_init_and_add+0x120/0x190
[  392.989911][ T6742]  ? lockdep_softirqs_off+0x420/0x420
[  392.995371][ T6742]  ? widen_string+0x3a/0x310
[  392.999999][ T6742]  ? kobject_add+0x210/0x210
[  393.004621][ T6742]  ? __init_swait_queue_head+0xaa/0x140
[  393.010332][ T6742]  gfs2_sys_fs_add+0x237/0x4a0
[  393.015136][ T6742]  ? gfs2_recover_set+0x240/0x240
[  393.020188][ T6742]  ? snprintf+0xd6/0x120
[  393.024525][ T6742]  ? vscnprintf+0x80/0x80
[  393.028890][ T6742]  ? read_word_at_a_time+0xe/0x20
[  393.033954][ T6742]  ? strscpy+0x89/0x220
[  393.038141][ T6742]  gfs2_fill_super+0x1299/0x2750
[  393.043119][ T6742]  ? gfs2_reconfigure+0xcf0/0xcf0
[  393.048355][ T6742]  ? ptr_to_hashval+0x60/0x60
[  393.053059][ T6742]  ? up_write+0x19d/0x580
[  393.057434][ T6742]  ? set_blocksize+0x1ec/0x370
[  393.062264][ T6742]  get_tree_bdev+0x3fe/0x620
[  393.066904][ T6742]  ? gfs2_reconfigure+0xcf0/0xcf0
[  393.072236][ T6742]  gfs2_get_tree+0x50/0x210
[  393.076854][ T6742]  ? bpf_lsm_capable+0x5/0x10
[  393.081566][ T6742]  vfs_get_tree+0x88/0x270
[  393.086008][ T6742]  do_new_mount+0x2ba/0xb40
[  393.090541][ T6742]  ? do_move_mount_old+0x160/0x160
[  393.095682][ T6742]  ? user_path_at_empty+0x12b/0x180
[  393.100911][ T6742]  __se_sys_mount+0x2d5/0x3c0
[  393.105633][ T6742]  ? __x64_sys_mount+0xc0/0xc0
[  393.110430][ T6742]  ? syscall_enter_from_user_mode+0x2e/0x240
[  393.116438][ T6742]  ? lockdep_hardirqs_on+0x94/0x130
[  393.121668][ T6742]  ? __x64_sys_mount+0x1c/0xc0
[  393.126457][ T6742]  do_syscall_64+0x3b/0xb0
[  393.130893][ T6742]  ? clear_bhb_loop+0x15/0x70
[  393.135592][ T6742]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  393.141514][ T6742] RIP: 0033:0x7f806f2b290a
[  393.145958][ T6742] 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
[  393.147865][ T6744] loop2: detected capacity change from 0 to 32768
[  393.165583][ T6742] RSP: 002b:00007f806e521e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  393.165615][ T6742] RAX: ffffffffffffffda RBX: 00007f806e521ef0 RCX: 00007f806f2b290a
[  393.165631][ T6742] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f806e521eb0
[  393.165648][ T6742] RBP: 0000200000000400 R08: 00007f806e521ef0 R09: 0000000000000000
[  393.165663][ T6742] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  393.165770][ T6742] R13: 00007f806e521eb0 R14: 00000000000125bb R15: 00002000000004c0
[  393.165812][ T6742]  </TASK>
[  393.254771][ T6742] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  393.297871][ T6744] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  393.310546][ T6742] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  393.320666][ T6744] CPU: 0 PID: 6744 Comm: syz.2.477 Not tainted 5.15.180-syzkaller #0
[  393.328960][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  393.339042][ T6744] Call Trace:
[  393.342351][ T6744]  <TASK>
[  393.345293][ T6744]  dump_stack_lvl+0x1e3/0x2d0
[  393.350196][ T6744]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  393.355981][ T6744]  ? panic+0x860/0x860
[  393.360440][ T6744]  ? sysfs_create_dir_ns+0x282/0x390
[  393.365751][ T6744]  sysfs_create_dir_ns+0x2c6/0x390
[  393.370886][ T6744]  ? sysfs_warn_dup+0xa0/0xa0
[  393.375589][ T6744]  ? do_raw_spin_unlock+0x137/0x8b0
[  393.380812][ T6744]  ? kobject_set_name_vargs+0xca/0x110
[  393.386312][ T6744]  kobject_add_internal+0x6e0/0xe00
[  393.391546][ T6744]  kobject_init_and_add+0x120/0x190
[  393.396769][ T6744]  ? lockdep_softirqs_off+0x420/0x420
[  393.402161][ T6744]  ? widen_string+0x3a/0x310
[  393.406780][ T6744]  ? kobject_add+0x210/0x210
[  393.411401][ T6744]  ? __init_swait_queue_head+0xaa/0x140
[  393.416989][ T6744]  gfs2_sys_fs_add+0x237/0x4a0
[  393.421781][ T6744]  ? gfs2_recover_set+0x240/0x240
[  393.426827][ T6744]  ? snprintf+0xd6/0x120
[  393.431205][ T6744]  ? vscnprintf+0x80/0x80
[  393.435656][ T6744]  ? read_word_at_a_time+0xe/0x20
[  393.440724][ T6744]  ? strscpy+0x89/0x220
[  393.444907][ T6744]  gfs2_fill_super+0x1299/0x2750
[  393.449891][ T6744]  ? gfs2_reconfigure+0xcf0/0xcf0
[  393.454943][ T6744]  ? ptr_to_hashval+0x60/0x60
[  393.459645][ T6744]  ? up_write+0x19d/0x580
[  393.464019][ T6744]  ? set_blocksize+0x1ec/0x370
[  393.468823][ T6744]  get_tree_bdev+0x3fe/0x620
[  393.473451][ T6744]  ? gfs2_reconfigure+0xcf0/0xcf0
[  393.478516][ T6744]  gfs2_get_tree+0x50/0x210
[  393.483144][ T6744]  ? bpf_lsm_capable+0x5/0x10
[  393.488113][ T6744]  vfs_get_tree+0x88/0x270
[  393.492557][ T6744]  do_new_mount+0x2ba/0xb40
[  393.497098][ T6744]  ? do_move_mount_old+0x160/0x160
[  393.502242][ T6744]  ? user_path_at_empty+0x12b/0x180
[  393.507468][ T6744]  __se_sys_mount+0x2d5/0x3c0
[  393.512174][ T6744]  ? __x64_sys_mount+0xc0/0xc0
[  393.516964][ T6744]  ? syscall_enter_from_user_mode+0x2e/0x240
[  393.522976][ T6744]  ? lockdep_hardirqs_on+0x94/0x130
[  393.528208][ T6744]  ? __x64_sys_mount+0x1c/0xc0
[  393.532997][ T6744]  do_syscall_64+0x3b/0xb0
[  393.537448][ T6744]  ? clear_bhb_loop+0x15/0x70
[  393.542152][ T6744]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  393.548073][ T6744] RIP: 0033:0x7fce8a7b190a
[  393.552520][ T6744] 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
[  393.572146][ T6744] RSP: 002b:00007fce89a20e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  393.580597][ T6744] RAX: ffffffffffffffda RBX: 00007fce89a20ef0 RCX: 00007fce8a7b190a
[  393.589115][ T6744] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fce89a20eb0
[  393.597118][ T6744] RBP: 0000200000000400 R08: 00007fce89a20ef0 R09: 0000000000000000
[  393.605129][ T6744] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  393.613128][ T6744] R13: 00007fce89a20eb0 R14: 00000000000125bb R15: 00002000000004c0
[  393.621145][ T6744]  </TASK>
[  393.624268][ T6750] loop0: detected capacity change from 0 to 32768
[  393.668302][ T6746] loop4: detected capacity change from 0 to 32768
[  393.693365][ T6744] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  393.722433][ T6750] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  393.738153][ T6746] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  393.754880][ T6750] CPU: 1 PID: 6750 Comm: syz.0.480 Not tainted 5.15.180-syzkaller #0
[  393.763037][ T6750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  393.773240][ T6750] Call Trace:
[  393.776559][ T6750]  <TASK>
[  393.779513][ T6750]  dump_stack_lvl+0x1e3/0x2d0
[  393.784310][ T6750]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  393.789974][ T6750]  ? panic+0x860/0x860
[  393.794077][ T6750]  ? sysfs_create_dir_ns+0x282/0x390
[  393.799501][ T6750]  sysfs_create_dir_ns+0x2c6/0x390
[  393.804652][ T6750]  ? sysfs_warn_dup+0xa0/0xa0
[  393.809358][ T6750]  ? do_raw_spin_unlock+0x137/0x8b0
[  393.814595][ T6750]  ? kobject_set_name_vargs+0xca/0x110
[  393.820096][ T6750]  kobject_add_internal+0x6e0/0xe00
[  393.825466][ T6750]  kobject_init_and_add+0x120/0x190
[  393.830951][ T6750]  ? lockdep_softirqs_off+0x420/0x420
[  393.836357][ T6750]  ? widen_string+0x3a/0x310
[  393.841068][ T6750]  ? kobject_add+0x210/0x210
[  393.845691][ T6750]  ? __init_swait_queue_head+0xaa/0x140
[  393.851359][ T6750]  gfs2_sys_fs_add+0x237/0x4a0
[  393.856256][ T6750]  ? gfs2_recover_set+0x240/0x240
[  393.861422][ T6750]  ? snprintf+0xd6/0x120
[  393.865702][ T6750]  ? vscnprintf+0x80/0x80
[  393.870185][ T6750]  ? read_word_at_a_time+0xe/0x20
[  393.875233][ T6750]  ? strscpy+0x89/0x220
[  393.879429][ T6750]  gfs2_fill_super+0x1299/0x2750
[  393.884469][ T6750]  ? gfs2_reconfigure+0xcf0/0xcf0
[  393.889515][ T6750]  ? ptr_to_hashval+0x60/0x60
[  393.894330][ T6750]  ? up_write+0x19d/0x580
[  393.898803][ T6750]  ? set_blocksize+0x1ec/0x370
[  393.903627][ T6750]  get_tree_bdev+0x3fe/0x620
[  393.908278][ T6750]  ? gfs2_reconfigure+0xcf0/0xcf0
[  393.913349][ T6750]  gfs2_get_tree+0x50/0x210
[  393.918064][ T6750]  ? bpf_lsm_capable+0x5/0x10
[  393.922945][ T6750]  vfs_get_tree+0x88/0x270
[  393.927399][ T6750]  do_new_mount+0x2ba/0xb40
[  393.932123][ T6750]  ? do_move_mount_old+0x160/0x160
[  393.937266][ T6750]  ? user_path_at_empty+0x12b/0x180
[  393.942495][ T6750]  __se_sys_mount+0x2d5/0x3c0
[  393.947203][ T6750]  ? __x64_sys_mount+0xc0/0xc0
[  393.951997][ T6750]  ? syscall_enter_from_user_mode+0x2e/0x240
[  393.958005][ T6750]  ? lockdep_hardirqs_on+0x94/0x130
[  393.962265][ T6748] loop1: detected capacity change from 0 to 32768
[  393.963231][ T6750]  ? __x64_sys_mount+0x1c/0xc0
[  393.974493][ T6750]  do_syscall_64+0x3b/0xb0
[  393.978947][ T6750]  ? clear_bhb_loop+0x15/0x70
[  393.983690][ T6750]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  393.989703][ T6750] RIP: 0033:0x7fc971f7e90a
[  393.994141][ T6750] 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
[  394.013769][ T6750] RSP: 002b:00007fc9711ede68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  394.022332][ T6750] RAX: ffffffffffffffda RBX: 00007fc9711edef0 RCX: 00007fc971f7e90a
[  394.030332][ T6750] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc9711edeb0
[  394.038335][ T6750] RBP: 0000200000000400 R08: 00007fc9711edef0 R09: 0000000000000000
[  394.045453][ T6744] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  394.046331][ T6750] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  394.061124][ T6750] R13: 00007fc9711edeb0 R14: 00000000000125bb R15: 00002000000004c0
[  394.069149][ T6750]  </TASK>
[  394.077152][ T6750] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  394.084984][ T6746] CPU: 1 PID: 6746 Comm: syz.4.478 Not tainted 5.15.180-syzkaller #0
[  394.098506][ T6746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  394.108591][ T6746] Call Trace:
[  394.111889][ T6746]  <TASK>
[  394.113225][ T6750] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  394.114827][ T6746]  dump_stack_lvl+0x1e3/0x2d0
[  394.114862][ T6746]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  394.114888][ T6746]  ? panic+0x860/0x860
[  394.135886][ T6746]  ? sysfs_create_dir_ns+0x282/0x390
[  394.141205][ T6746]  sysfs_create_dir_ns+0x2c6/0x390
[  394.146394][ T6746]  ? sysfs_warn_dup+0xa0/0xa0
[  394.151111][ T6746]  ? do_raw_spin_unlock+0x137/0x8b0
[  394.156437][ T6746]  ? kobject_set_name_vargs+0xca/0x110
[  394.161956][ T6746]  kobject_add_internal+0x6e0/0xe00
[  394.167202][ T6746]  kobject_init_and_add+0x120/0x190
[  394.172447][ T6746]  ? lockdep_softirqs_off+0x420/0x420
[  394.177848][ T6746]  ? widen_string+0x3a/0x310
[  394.182474][ T6746]  ? kobject_add+0x210/0x210
[  394.187195][ T6746]  ? __init_swait_queue_head+0xaa/0x140
[  394.192808][ T6746]  gfs2_sys_fs_add+0x237/0x4a0
[  394.197649][ T6746]  ? gfs2_recover_set+0x240/0x240
[  394.202710][ T6746]  ? snprintf+0xd6/0x120
[  394.206989][ T6746]  ? vscnprintf+0x80/0x80
[  394.211348][ T6746]  ? read_word_at_a_time+0xe/0x20
[  394.216404][ T6746]  ? strscpy+0x89/0x220
[  394.220586][ T6746]  gfs2_fill_super+0x1299/0x2750
[  394.225578][ T6746]  ? gfs2_reconfigure+0xcf0/0xcf0
[  394.230771][ T6746]  ? ptr_to_hashval+0x60/0x60
[  394.235490][ T6746]  ? up_write+0x19d/0x580
[  394.239875][ T6746]  ? set_blocksize+0x1ec/0x370
[  394.244685][ T6746]  get_tree_bdev+0x3fe/0x620
[  394.249325][ T6746]  ? gfs2_reconfigure+0xcf0/0xcf0
[  394.254379][ T6746]  gfs2_get_tree+0x50/0x210
[  394.258915][ T6746]  ? bpf_lsm_capable+0x5/0x10
[  394.263637][ T6746]  vfs_get_tree+0x88/0x270
[  394.268082][ T6746]  do_new_mount+0x2ba/0xb40
[  394.272700][ T6746]  ? do_move_mount_old+0x160/0x160
[  394.277875][ T6746]  ? user_path_at_empty+0x12b/0x180
[  394.283099][ T6746]  __se_sys_mount+0x2d5/0x3c0
[  394.287832][ T6746]  ? __x64_sys_mount+0xc0/0xc0
[  394.292653][ T6746]  ? syscall_enter_from_user_mode+0x2e/0x240
[  394.298667][ T6746]  ? lockdep_hardirqs_on+0x94/0x130
[  394.303978][ T6746]  ? __x64_sys_mount+0x1c/0xc0
[  394.308763][ T6746]  do_syscall_64+0x3b/0xb0
[  394.313198][ T6746]  ? clear_bhb_loop+0x15/0x70
[  394.317890][ T6746]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  394.323803][ T6746] RIP: 0033:0x7f79bbc9990a
[  394.328241][ T6746] 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
[  394.347885][ T6746] RSP: 002b:00007f79baf08e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  394.356596][ T6746] RAX: ffffffffffffffda RBX: 00007f79baf08ef0 RCX: 00007f79bbc9990a
[  394.364692][ T6746] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f79baf08eb0
[  394.372689][ T6746] RBP: 0000200000000400 R08: 00007f79baf08ef0 R09: 0000000000000000
[  394.380780][ T6746] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  394.388778][ T6746] R13: 00007f79baf08eb0 R14: 00000000000125bb R15: 00002000000004c0
[  394.396792][ T6746]  </TASK>
[  394.417348][ T6748] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  394.420121][ T6746] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  394.435423][ T6748] CPU: 0 PID: 6748 Comm: syz.1.479 Not tainted 5.15.180-syzkaller #0
[  394.446332][ T6748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  394.448007][ T6746] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  394.456398][ T6748] Call Trace:
[  394.456409][ T6748]  <TASK>
[  394.456418][ T6748]  dump_stack_lvl+0x1e3/0x2d0
[  394.456451][ T6748]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  394.456477][ T6748]  ? panic+0x860/0x860
[  394.456501][ T6748]  ? sysfs_create_dir_ns+0x282/0x390
[  394.456531][ T6748]  sysfs_create_dir_ns+0x2c6/0x390
[  394.456560][ T6748]  ? sysfs_warn_dup+0xa0/0xa0
[  394.456591][ T6748]  ? do_raw_spin_unlock+0x137/0x8b0
[  394.456618][ T6748]  ? kobject_set_name_vargs+0xca/0x110
[  394.509392][ T6748]  kobject_add_internal+0x6e0/0xe00
[  394.514608][ T6748]  kobject_init_and_add+0x120/0x190
[  394.519836][ T6748]  ? lockdep_softirqs_off+0x420/0x420
[  394.525245][ T6748]  ? widen_string+0x3a/0x310
[  394.529838][ T6748]  ? kobject_add+0x210/0x210
[  394.534427][ T6748]  ? __init_swait_queue_head+0xaa/0x140
[  394.539983][ T6748]  gfs2_sys_fs_add+0x237/0x4a0
[  394.544754][ T6748]  ? gfs2_recover_set+0x240/0x240
[  394.549875][ T6748]  ? snprintf+0xd6/0x120
[  394.554209][ T6748]  ? vscnprintf+0x80/0x80
[  394.558659][ T6748]  ? read_word_at_a_time+0xe/0x20
[  394.563946][ T6748]  ? strscpy+0x89/0x220
[  394.568207][ T6748]  gfs2_fill_super+0x1299/0x2750
[  394.573176][ T6748]  ? gfs2_reconfigure+0xcf0/0xcf0
[  394.578329][ T6748]  ? ptr_to_hashval+0x60/0x60
[  394.583096][ T6748]  ? up_write+0x19d/0x580
[  394.587563][ T6748]  ? set_blocksize+0x1ec/0x370
[  394.592338][ T6748]  get_tree_bdev+0x3fe/0x620
[  394.596935][ T6748]  ? gfs2_reconfigure+0xcf0/0xcf0
[  394.601997][ T6748]  gfs2_get_tree+0x50/0x210
[  394.606594][ T6748]  ? bpf_lsm_capable+0x5/0x10
[  394.611288][ T6748]  vfs_get_tree+0x88/0x270
[  394.615708][ T6748]  do_new_mount+0x2ba/0xb40
[  394.620226][ T6748]  ? do_move_mount_old+0x160/0x160
[  394.625346][ T6748]  ? user_path_at_empty+0x12b/0x180
[  394.630568][ T6748]  __se_sys_mount+0x2d5/0x3c0
[  394.635251][ T6748]  ? __x64_sys_mount+0xc0/0xc0
[  394.640023][ T6748]  ? syscall_enter_from_user_mode+0x2e/0x240
[  394.646013][ T6748]  ? lockdep_hardirqs_on+0x94/0x130
[  394.651217][ T6748]  ? __x64_sys_mount+0x1c/0xc0
[  394.655982][ T6748]  do_syscall_64+0x3b/0xb0
[  394.660407][ T6748]  ? clear_bhb_loop+0x15/0x70
[  394.665171][ T6748]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  394.671160][ T6748] RIP: 0033:0x7f05712b490a
[  394.675582][ T6748] 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
[  394.695188][ T6748] RSP: 002b:00007f0570523e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  394.703781][ T6748] RAX: ffffffffffffffda RBX: 00007f0570523ef0 RCX: 00007f05712b490a
[  394.711869][ T6748] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0570523eb0
[  394.720026][ T6748] RBP: 0000200000000400 R08: 00007f0570523ef0 R09: 0000000000000000
[  394.727998][ T6748] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  394.735964][ T6748] R13: 00007f0570523eb0 R14: 00000000000125bb R15: 00002000000004c0
[  394.744032][ T6748]  </TASK>
[  394.754867][ T6748] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  394.780194][ T6748] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  395.156226][ T6752] loop5: detected capacity change from 0 to 32768
[  395.227681][ T6752] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  395.241207][ T6752] CPU: 1 PID: 6752 Comm: syz.5.481 Not tainted 5.15.180-syzkaller #0
[  395.249348][ T6752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  395.259515][ T6752] Call Trace:
[  395.262816][ T6752]  <TASK>
[  395.265765][ T6752]  dump_stack_lvl+0x1e3/0x2d0
[  395.270474][ T6752]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  395.276135][ T6752]  ? panic+0x860/0x860
[  395.280254][ T6752]  ? sysfs_create_dir_ns+0x282/0x390
[  395.285625][ T6752]  sysfs_create_dir_ns+0x2c6/0x390
[  395.290810][ T6752]  ? sysfs_warn_dup+0xa0/0xa0
[  395.295561][ T6752]  ? do_raw_spin_unlock+0x137/0x8b0
[  395.300793][ T6752]  ? kobject_set_name_vargs+0xca/0x110
[  395.306286][ T6752]  kobject_add_internal+0x6e0/0xe00
[  395.311698][ T6752]  kobject_init_and_add+0x120/0x190
[  395.316921][ T6752]  ? lockdep_softirqs_off+0x420/0x420
[  395.322340][ T6752]  ? widen_string+0x3a/0x310
[  395.326965][ T6752]  ? kobject_add+0x210/0x210
[  395.331589][ T6752]  ? __init_swait_queue_head+0xaa/0x140
[  395.337165][ T6752]  gfs2_sys_fs_add+0x237/0x4a0
[  395.341958][ T6752]  ? gfs2_recover_set+0x240/0x240
[  395.347011][ T6752]  ? snprintf+0xd6/0x120
[  395.351320][ T6752]  ? vscnprintf+0x80/0x80
[  395.355679][ T6752]  ? read_word_at_a_time+0xe/0x20
[  395.360742][ T6752]  ? strscpy+0x89/0x220
[  395.364931][ T6752]  gfs2_fill_super+0x1299/0x2750
[  395.369919][ T6752]  ? gfs2_reconfigure+0xcf0/0xcf0
[  395.374973][ T6752]  ? ptr_to_hashval+0x60/0x60
[  395.379896][ T6752]  ? up_write+0x19d/0x580
[  395.384277][ T6752]  ? set_blocksize+0x1ec/0x370
[  395.389163][ T6752]  get_tree_bdev+0x3fe/0x620
[  395.393788][ T6752]  ? gfs2_reconfigure+0xcf0/0xcf0
[  395.398870][ T6752]  gfs2_get_tree+0x50/0x210
[  395.403404][ T6752]  ? bpf_lsm_capable+0x5/0x10
[  395.408120][ T6752]  vfs_get_tree+0x88/0x270
[  395.412566][ T6752]  do_new_mount+0x2ba/0xb40
[  395.417102][ T6752]  ? do_move_mount_old+0x160/0x160
[  395.422250][ T6752]  ? user_path_at_empty+0x12b/0x180
[  395.427482][ T6752]  __se_sys_mount+0x2d5/0x3c0
[  395.432194][ T6752]  ? __x64_sys_mount+0xc0/0xc0
[  395.436984][ T6752]  ? syscall_enter_from_user_mode+0x2e/0x240
[  395.443078][ T6752]  ? lockdep_hardirqs_on+0x94/0x130
[  395.448317][ T6752]  ? __x64_sys_mount+0x1c/0xc0
[  395.453208][ T6752]  do_syscall_64+0x3b/0xb0
[  395.457663][ T6752]  ? clear_bhb_loop+0x15/0x70
[  395.462645][ T6752]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  395.468676][ T6752] RIP: 0033:0x7f806f2b290a
[  395.473141][ T6752] 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
[  395.492881][ T6752] RSP: 002b:00007f806e521e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  395.501334][ T6752] RAX: ffffffffffffffda RBX: 00007f806e521ef0 RCX: 00007f806f2b290a
[  395.509338][ T6752] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f806e521eb0
[  395.517337][ T6752] RBP: 0000200000000400 R08: 00007f806e521ef0 R09: 0000000000000000
[  395.525453][ T6752] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  395.533476][ T6752] R13: 00007f806e521eb0 R14: 00000000000125bb R15: 00002000000004c0
[  395.541505][ T6752]  </TASK>
[  395.575014][ T6752] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  395.629504][ T6752] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  396.224132][ T6755] loop2: detected capacity change from 0 to 32768
[  396.243037][ T6758] loop4: detected capacity change from 0 to 32768
[  396.268708][ T6756] loop0: detected capacity change from 0 to 32768
[  396.308839][ T6755] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  396.317339][ T6758] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  396.328324][ T6756] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  396.342628][ T6760] loop1: detected capacity change from 0 to 32768
[  396.354853][ T6758] CPU: 1 PID: 6758 Comm: syz.4.484 Not tainted 5.15.180-syzkaller #0
[  396.362979][ T6758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  396.373060][ T6758] Call Trace:
[  396.376367][ T6758]  <TASK>
[  396.379306][ T6758]  dump_stack_lvl+0x1e3/0x2d0
[  396.384007][ T6758]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  396.389675][ T6758]  ? panic+0x860/0x860
[  396.393884][ T6758]  ? sysfs_create_dir_ns+0x282/0x390
[  396.399189][ T6758]  sysfs_create_dir_ns+0x2c6/0x390
[  396.404317][ T6758]  ? sysfs_warn_dup+0xa0/0xa0
[  396.409010][ T6758]  ? do_raw_spin_unlock+0x137/0x8b0
[  396.414342][ T6758]  ? kobject_set_name_vargs+0xca/0x110
[  396.419845][ T6758]  kobject_add_internal+0x6e0/0xe00
[  396.425181][ T6758]  kobject_init_and_add+0x120/0x190
[  396.430403][ T6758]  ? lockdep_softirqs_off+0x420/0x420
[  396.435899][ T6758]  ? widen_string+0x3a/0x310
[  396.440528][ T6758]  ? kobject_add+0x210/0x210
[  396.445145][ T6758]  ? __init_swait_queue_head+0xaa/0x140
[  396.450706][ T6758]  gfs2_sys_fs_add+0x237/0x4a0
[  396.455494][ T6758]  ? gfs2_recover_set+0x240/0x240
[  396.460661][ T6758]  ? snprintf+0xd6/0x120
[  396.464931][ T6758]  ? vscnprintf+0x80/0x80
[  396.469367][ T6758]  ? read_word_at_a_time+0xe/0x20
[  396.474439][ T6758]  ? strscpy+0x89/0x220
[  396.478612][ T6758]  gfs2_fill_super+0x1299/0x2750
[  396.483580][ T6758]  ? gfs2_reconfigure+0xcf0/0xcf0
[  396.488732][ T6758]  ? ptr_to_hashval+0x60/0x60
[  396.493631][ T6758]  ? up_write+0x19d/0x580
[  396.498000][ T6758]  ? set_blocksize+0x1ec/0x370
[  396.502818][ T6758]  get_tree_bdev+0x3fe/0x620
[  396.507418][ T6758]  ? gfs2_reconfigure+0xcf0/0xcf0
[  396.512483][ T6758]  gfs2_get_tree+0x50/0x210
[  396.517054][ T6758]  ? bpf_lsm_capable+0x5/0x10
[  396.521766][ T6758]  vfs_get_tree+0x88/0x270
[  396.526216][ T6758]  do_new_mount+0x2ba/0xb40
[  396.530733][ T6758]  ? do_move_mount_old+0x160/0x160
[  396.535854][ T6758]  ? user_path_at_empty+0x12b/0x180
[  396.541140][ T6758]  __se_sys_mount+0x2d5/0x3c0
[  396.545839][ T6758]  ? __x64_sys_mount+0xc0/0xc0
[  396.550726][ T6758]  ? syscall_enter_from_user_mode+0x2e/0x240
[  396.556808][ T6758]  ? lockdep_hardirqs_on+0x94/0x130
[  396.562129][ T6758]  ? __x64_sys_mount+0x1c/0xc0
[  396.567171][ T6758]  do_syscall_64+0x3b/0xb0
[  396.571599][ T6758]  ? clear_bhb_loop+0x15/0x70
[  396.576285][ T6758]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  396.582204][ T6758] RIP: 0033:0x7f79bbc9990a
[  396.586815][ T6758] 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
[  396.606696][ T6758] RSP: 002b:00007f79baf08e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  396.615300][ T6758] RAX: ffffffffffffffda RBX: 00007f79baf08ef0 RCX: 00007f79bbc9990a
[  396.623395][ T6758] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f79baf08eb0
[  396.631382][ T6758] RBP: 0000200000000400 R08: 00007f79baf08ef0 R09: 0000000000000000
[  396.639388][ T6758] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  396.647637][ T6758] R13: 00007f79baf08eb0 R14: 00000000000125bb R15: 00002000000004c0
[  396.655809][ T6758]  </TASK>
[  396.669070][ T6756] CPU: 0 PID: 6756 Comm: syz.0.482 Not tainted 5.15.180-syzkaller #0
[  396.677193][ T6756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  396.687271][ T6756] Call Trace:
[  396.690565][ T6756]  <TASK>
[  396.693500][ T6756]  dump_stack_lvl+0x1e3/0x2d0
[  396.698285][ T6756]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  396.704110][ T6756]  ? panic+0x860/0x860
[  396.708206][ T6756]  ? sysfs_create_dir_ns+0x282/0x390
[  396.713616][ T6756]  sysfs_create_dir_ns+0x2c6/0x390
[  396.718785][ T6756]  ? sysfs_warn_dup+0xa0/0xa0
[  396.723590][ T6756]  ? do_raw_spin_unlock+0x137/0x8b0
[  396.728939][ T6756]  ? kobject_set_name_vargs+0xca/0x110
[  396.734436][ T6756]  kobject_add_internal+0x6e0/0xe00
[  396.739887][ T6756]  kobject_init_and_add+0x120/0x190
[  396.745129][ T6756]  ? lockdep_softirqs_off+0x420/0x420
[  396.750539][ T6756]  ? widen_string+0x3a/0x310
[  396.755173][ T6756]  ? kobject_add+0x210/0x210
[  396.759810][ T6756]  ? __init_swait_queue_head+0xaa/0x140
[  396.765512][ T6756]  gfs2_sys_fs_add+0x237/0x4a0
[  396.770444][ T6756]  ? gfs2_recover_set+0x240/0x240
[  396.775837][ T6756]  ? snprintf+0xd6/0x120
[  396.780327][ T6756]  ? vscnprintf+0x80/0x80
[  396.785074][ T6756]  ? read_word_at_a_time+0xe/0x20
[  396.790302][ T6756]  ? strscpy+0x89/0x220
[  396.794491][ T6756]  gfs2_fill_super+0x1299/0x2750
[  396.799602][ T6756]  ? gfs2_reconfigure+0xcf0/0xcf0
[  396.804659][ T6756]  ? ptr_to_hashval+0x60/0x60
[  396.809373][ T6756]  ? up_write+0x19d/0x580
[  396.813754][ T6756]  ? set_blocksize+0x1ec/0x370
[  396.818574][ T6756]  get_tree_bdev+0x3fe/0x620
[  396.823209][ T6756]  ? gfs2_reconfigure+0xcf0/0xcf0
[  396.828267][ T6756]  gfs2_get_tree+0x50/0x210
[  396.832800][ T6756]  ? bpf_lsm_capable+0x5/0x10
[  396.837771][ T6756]  vfs_get_tree+0x88/0x270
[  396.842350][ T6756]  do_new_mount+0x2ba/0xb40
[  396.846895][ T6756]  ? do_move_mount_old+0x160/0x160
[  396.852038][ T6756]  ? user_path_at_empty+0x12b/0x180
[  396.857294][ T6756]  __se_sys_mount+0x2d5/0x3c0
[  396.862116][ T6756]  ? __x64_sys_mount+0xc0/0xc0
[  396.866912][ T6756]  ? syscall_enter_from_user_mode+0x2e/0x240
[  396.873000][ T6756]  ? lockdep_hardirqs_on+0x94/0x130
[  396.878228][ T6756]  ? __x64_sys_mount+0x1c/0xc0
[  396.883015][ T6756]  do_syscall_64+0x3b/0xb0
[  396.887465][ T6756]  ? clear_bhb_loop+0x15/0x70
[  396.892179][ T6756]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  396.898105][ T6756] RIP: 0033:0x7fc971f7e90a
[  396.902630][ T6756] 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
[  396.922260][ T6756] RSP: 002b:00007fc9711ede68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  396.931030][ T6756] RAX: ffffffffffffffda RBX: 00007fc9711edef0 RCX: 00007fc971f7e90a
[  396.939125][ T6756] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc9711edeb0
[  396.939527][ T6762] loop5: detected capacity change from 0 to 32768
[  396.947202][ T6756] RBP: 0000200000000400 R08: 00007fc9711edef0 R09: 0000000000000000
[  396.947222][ T6756] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  396.947236][ T6756] R13: 00007fc9711edeb0 R14: 00000000000125bb R15: 00002000000004c0
[  396.947267][ T6756]  </TASK>
[  396.959353][ T6755] CPU: 0 PID: 6755 Comm: syz.2.483 Not tainted 5.15.180-syzkaller #0
[  396.989143][ T6755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  396.999319][ T6755] Call Trace:
[  397.002614][ T6755]  <TASK>
[  397.005562][ T6755]  dump_stack_lvl+0x1e3/0x2d0
[  397.010291][ T6755]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  397.016019][ T6755]  ? panic+0x860/0x860
[  397.020128][ T6755]  ? sysfs_create_dir_ns+0x282/0x390
[  397.025450][ T6755]  sysfs_create_dir_ns+0x2c6/0x390
[  397.030635][ T6755]  ? sysfs_warn_dup+0xa0/0xa0
[  397.035342][ T6755]  ? do_raw_spin_unlock+0x137/0x8b0
[  397.040927][ T6755]  ? kobject_set_name_vargs+0xca/0x110
[  397.041915][ T6758] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  397.046406][ T6755]  kobject_add_internal+0x6e0/0xe00
[  397.046443][ T6755]  kobject_init_and_add+0x120/0x190
[  397.046464][ T6755]  ? lockdep_softirqs_off+0x420/0x420
[  397.046486][ T6755]  ? widen_string+0x3a/0x310
[  397.046520][ T6755]  ? kobject_add+0x210/0x210
[  397.046546][ T6755]  ? __init_swait_queue_head+0xaa/0x140
[  397.067499][ T6758] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  397.070219][ T6755]  gfs2_sys_fs_add+0x237/0x4a0
[  397.070253][ T6755]  ? gfs2_recover_set+0x240/0x240
[  397.076039][ T6760] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  397.080205][ T6755]  ? snprintf+0xd6/0x120
[  397.080241][ T6755]  ? vscnprintf+0x80/0x80
[  397.122631][ T6755]  ? read_word_at_a_time+0xe/0x20
[  397.127663][ T6755]  ? strscpy+0x89/0x220
[  397.131821][ T6755]  gfs2_fill_super+0x1299/0x2750
[  397.136782][ T6755]  ? gfs2_reconfigure+0xcf0/0xcf0
[  397.141804][ T6755]  ? ptr_to_hashval+0x60/0x60
[  397.146491][ T6755]  ? up_write+0x19d/0x580
[  397.150839][ T6755]  ? set_blocksize+0x1ec/0x370
[  397.155646][ T6755]  get_tree_bdev+0x3fe/0x620
[  397.160282][ T6755]  ? gfs2_reconfigure+0xcf0/0xcf0
[  397.165337][ T6755]  gfs2_get_tree+0x50/0x210
[  397.169869][ T6755]  ? bpf_lsm_capable+0x5/0x10
[  397.174572][ T6755]  vfs_get_tree+0x88/0x270
[  397.179111][ T6755]  do_new_mount+0x2ba/0xb40
[  397.183620][ T6755]  ? do_move_mount_old+0x160/0x160
[  397.188735][ T6755]  ? user_path_at_empty+0x12b/0x180
[  397.193935][ T6755]  __se_sys_mount+0x2d5/0x3c0
[  397.198619][ T6755]  ? __x64_sys_mount+0xc0/0xc0
[  397.203423][ T6755]  ? syscall_enter_from_user_mode+0x2e/0x240
[  397.209432][ T6755]  ? lockdep_hardirqs_on+0x94/0x130
[  397.214634][ T6755]  ? __x64_sys_mount+0x1c/0xc0
[  397.219407][ T6755]  do_syscall_64+0x3b/0xb0
[  397.223867][ T6755]  ? clear_bhb_loop+0x15/0x70
[  397.228546][ T6755]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  397.234441][ T6755] RIP: 0033:0x7fce8a7b190a
[  397.238891][ T6755] 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
[  397.259117][ T6755] RSP: 002b:00007fce89a20e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  397.267633][ T6755] RAX: ffffffffffffffda RBX: 00007fce89a20ef0 RCX: 00007fce8a7b190a
[  397.275630][ T6755] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fce89a20eb0
[  397.283621][ T6755] RBP: 0000200000000400 R08: 00007fce89a20ef0 R09: 0000000000000000
[  397.291786][ T6755] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  397.299771][ T6755] R13: 00007fce89a20eb0 R14: 00000000000125bb R15: 00002000000004c0
[  397.307918][ T6755]  </TASK>
[  397.315289][ T6756] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  397.316969][ T6760] CPU: 0 PID: 6760 Comm: syz.1.485 Not tainted 5.15.180-syzkaller #0
[  397.328726][ T6755] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  397.336576][ T6760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  397.336593][ T6760] Call Trace:
[  397.336600][ T6760]  <TASK>
[  397.336609][ T6760]  dump_stack_lvl+0x1e3/0x2d0
[  397.336643][ T6760]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  397.336666][ T6760]  ? panic+0x860/0x860
[  397.350031][ T6756] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  397.359900][ T6760]  ? sysfs_create_dir_ns+0x282/0x390
[  397.359938][ T6760]  sysfs_create_dir_ns+0x2c6/0x390
[  397.363300][ T6755] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  397.366146][ T6760]  ? sysfs_warn_dup+0xa0/0xa0
[  397.366175][ T6760]  ? do_raw_spin_unlock+0x137/0x8b0
[  397.366201][ T6760]  ? kobject_set_name_vargs+0xca/0x110
[  397.366227][ T6760]  kobject_add_internal+0x6e0/0xe00
[  397.366256][ T6760]  kobject_init_and_add+0x120/0x190
[  397.366279][ T6760]  ? lockdep_softirqs_off+0x420/0x420
[  397.435079][ T6760]  ? widen_string+0x3a/0x310
[  397.439705][ T6760]  ? kobject_add+0x210/0x210
[  397.444381][ T6760]  ? __init_swait_queue_head+0xaa/0x140
[  397.449990][ T6760]  gfs2_sys_fs_add+0x237/0x4a0
[  397.454768][ T6760]  ? gfs2_recover_set+0x240/0x240
[  397.459896][ T6760]  ? snprintf+0xd6/0x120
[  397.464168][ T6760]  ? vscnprintf+0x80/0x80
[  397.468527][ T6760]  ? read_word_at_a_time+0xe/0x20
[  397.473668][ T6760]  ? strscpy+0x89/0x220
[  397.477880][ T6760]  gfs2_fill_super+0x1299/0x2750
[  397.482868][ T6760]  ? gfs2_reconfigure+0xcf0/0xcf0
[  397.488405][ T6760]  ? ptr_to_hashval+0x60/0x60
[  397.493092][ T6760]  ? up_write+0x19d/0x580
[  397.497450][ T6760]  ? set_blocksize+0x1ec/0x370
[  397.502334][ T6760]  get_tree_bdev+0x3fe/0x620
[  397.506962][ T6760]  ? gfs2_reconfigure+0xcf0/0xcf0
[  397.512126][ T6760]  gfs2_get_tree+0x50/0x210
[  397.516645][ T6760]  ? bpf_lsm_capable+0x5/0x10
[  397.521359][ T6760]  vfs_get_tree+0x88/0x270
[  397.525815][ T6760]  do_new_mount+0x2ba/0xb40
[  397.530343][ T6760]  ? do_move_mount_old+0x160/0x160
[  397.535494][ T6760]  ? user_path_at_empty+0x12b/0x180
[  397.540740][ T6760]  __se_sys_mount+0x2d5/0x3c0
[  397.545564][ T6760]  ? __x64_sys_mount+0xc0/0xc0
[  397.550450][ T6760]  ? syscall_enter_from_user_mode+0x2e/0x240
[  397.557137][ T6760]  ? lockdep_hardirqs_on+0x94/0x130
[  397.562416][ T6760]  ? __x64_sys_mount+0x1c/0xc0
[  397.567281][ T6760]  do_syscall_64+0x3b/0xb0
[  397.571729][ T6760]  ? clear_bhb_loop+0x15/0x70
[  397.576437][ T6760]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  397.582432][ T6760] RIP: 0033:0x7f05712b490a
[  397.587067][ T6760] 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
[  397.606795][ T6760] RSP: 002b:00007f0570523e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  397.615402][ T6760] RAX: ffffffffffffffda RBX: 00007f0570523ef0 RCX: 00007f05712b490a
[  397.623424][ T6760] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0570523eb0
[  397.631527][ T6760] RBP: 0000200000000400 R08: 00007f0570523ef0 R09: 0000000000000000
[  397.639536][ T6760] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  397.647654][ T6760] R13: 00007f0570523eb0 R14: 00000000000125bb R15: 00002000000004c0
[  397.655664][ T6760]  </TASK>
[  397.660379][ T6760] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  397.679407][ T6762] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  397.690617][ T6760] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  397.703760][ T6762] CPU: 0 PID: 6762 Comm: syz.5.486 Not tainted 5.15.180-syzkaller #0
[  397.711988][ T6762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  397.722296][ T6762] Call Trace:
[  397.725592][ T6762]  <TASK>
[  397.728531][ T6762]  dump_stack_lvl+0x1e3/0x2d0
[  397.733221][ T6762]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  397.739041][ T6762]  ? panic+0x860/0x860
[  397.743138][ T6762]  ? sysfs_create_dir_ns+0x282/0x390
[  397.748502][ T6762]  sysfs_create_dir_ns+0x2c6/0x390
[  397.753706][ T6762]  ? sysfs_warn_dup+0xa0/0xa0
[  397.758600][ T6762]  ? do_raw_spin_unlock+0x137/0x8b0
[  397.763828][ T6762]  ? kobject_set_name_vargs+0xca/0x110
[  397.769388][ T6762]  kobject_add_internal+0x6e0/0xe00
[  397.774817][ T6762]  kobject_init_and_add+0x120/0x190
[  397.780186][ T6762]  ? lockdep_softirqs_off+0x420/0x420
[  397.785711][ T6762]  ? widen_string+0x3a/0x310
[  397.790510][ T6762]  ? kobject_add+0x210/0x210
[  397.795105][ T6762]  ? __init_swait_queue_head+0xaa/0x140
[  397.800683][ T6762]  gfs2_sys_fs_add+0x237/0x4a0
[  397.805461][ T6762]  ? gfs2_recover_set+0x240/0x240
[  397.810504][ T6762]  ? snprintf+0xd6/0x120
[  397.814881][ T6762]  ? vscnprintf+0x80/0x80
[  397.819243][ T6762]  ? read_word_at_a_time+0xe/0x20
[  397.824265][ T6762]  ? strscpy+0x89/0x220
[  397.828531][ T6762]  gfs2_fill_super+0x1299/0x2750
[  397.833710][ T6762]  ? gfs2_reconfigure+0xcf0/0xcf0
[  397.838850][ T6762]  ? ptr_to_hashval+0x60/0x60
[  397.843718][ T6762]  ? up_write+0x19d/0x580
[  397.848099][ T6762]  ? set_blocksize+0x1ec/0x370
[  397.852961][ T6762]  get_tree_bdev+0x3fe/0x620
[  397.857657][ T6762]  ? gfs2_reconfigure+0xcf0/0xcf0
[  397.862688][ T6762]  gfs2_get_tree+0x50/0x210
[  397.867220][ T6762]  ? bpf_lsm_capable+0x5/0x10
[  397.871905][ T6762]  vfs_get_tree+0x88/0x270
[  397.876320][ T6762]  do_new_mount+0x2ba/0xb40
[  397.880822][ T6762]  ? do_move_mount_old+0x160/0x160
[  397.885934][ T6762]  ? user_path_at_empty+0x12b/0x180
[  397.891278][ T6762]  __se_sys_mount+0x2d5/0x3c0
[  397.895978][ T6762]  ? __x64_sys_mount+0xc0/0xc0
[  397.900768][ T6762]  ? syscall_enter_from_user_mode+0x2e/0x240
[  397.906749][ T6762]  ? lockdep_hardirqs_on+0x94/0x130
[  397.911949][ T6762]  ? __x64_sys_mount+0x1c/0xc0
[  397.916719][ T6762]  do_syscall_64+0x3b/0xb0
[  397.921169][ T6762]  ? clear_bhb_loop+0x15/0x70
[  397.925858][ T6762]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  397.931778][ T6762] RIP: 0033:0x7f806f2b290a
[  397.936195][ T6762] 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
[  397.955902][ T6762] RSP: 002b:00007f806e521e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  397.964496][ T6762] RAX: ffffffffffffffda RBX: 00007f806e521ef0 RCX: 00007f806f2b290a
[  397.972469][ T6762] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f806e521eb0
[  397.980536][ T6762] RBP: 0000200000000400 R08: 00007f806e521ef0 R09: 0000000000000000
[  397.988512][ T6762] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  397.996484][ T6762] R13: 00007f806e521eb0 R14: 00000000000125bb R15: 00002000000004c0
[  398.004464][ T6762]  </TASK>
[  398.009361][ T6762] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  398.036264][ T6762] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/04/13 17:11:30 executed programs: 481
[  399.375071][ T6768] loop2: detected capacity change from 0 to 32768
[  399.418761][ T6764] loop4: detected capacity change from 0 to 32768
[  399.449478][ T6764] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  399.467985][ T6768] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  399.484895][ T6768] CPU: 1 PID: 6768 Comm: syz.2.489 Not tainted 5.15.180-syzkaller #0
[  399.493036][ T6768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  399.503204][ T6768] Call Trace:
[  399.506497][ T6768]  <TASK>
[  399.509443][ T6768]  dump_stack_lvl+0x1e3/0x2d0
[  399.514264][ T6768]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  399.519965][ T6768]  ? panic+0x860/0x860
[  399.524148][ T6768]  ? sysfs_create_dir_ns+0x282/0x390
[  399.529685][ T6768]  sysfs_create_dir_ns+0x2c6/0x390
[  399.534913][ T6768]  ? sysfs_warn_dup+0xa0/0xa0
[  399.539614][ T6768]  ? do_raw_spin_unlock+0x137/0x8b0
[  399.544841][ T6768]  ? kobject_set_name_vargs+0xca/0x110
[  399.550329][ T6768]  kobject_add_internal+0x6e0/0xe00
[  399.555710][ T6768]  kobject_init_and_add+0x120/0x190
[  399.561048][ T6768]  ? lockdep_softirqs_off+0x420/0x420
[  399.566643][ T6768]  ? widen_string+0x3a/0x310
[  399.571466][ T6768]  ? kobject_add+0x210/0x210
[  399.576093][ T6768]  ? __init_swait_queue_head+0xaa/0x140
[  399.581674][ T6768]  gfs2_sys_fs_add+0x237/0x4a0
[  399.586478][ T6768]  ? gfs2_recover_set+0x240/0x240
[  399.590554][ T6767] loop0: detected capacity change from 0 to 32768
[  399.591529][ T6768]  ? snprintf+0xd6/0x120
[  399.602277][ T6768]  ? vscnprintf+0x80/0x80
[  399.606637][ T6768]  ? read_word_at_a_time+0xe/0x20
[  399.611804][ T6768]  ? strscpy+0x89/0x220
[  399.616073][ T6768]  gfs2_fill_super+0x1299/0x2750
[  399.621068][ T6768]  ? gfs2_reconfigure+0xcf0/0xcf0
[  399.626126][ T6768]  ? ptr_to_hashval+0x60/0x60
[  399.631107][ T6768]  ? up_write+0x19d/0x580
[  399.635580][ T6768]  ? set_blocksize+0x1ec/0x370
[  399.640386][ T6768]  get_tree_bdev+0x3fe/0x620
[  399.645180][ T6768]  ? gfs2_reconfigure+0xcf0/0xcf0
[  399.650243][ T6768]  gfs2_get_tree+0x50/0x210
[  399.654885][ T6768]  ? bpf_lsm_capable+0x5/0x10
[  399.659605][ T6768]  vfs_get_tree+0x88/0x270
[  399.664064][ T6768]  do_new_mount+0x2ba/0xb40
[  399.666626][ T6770] loop1: detected capacity change from 0 to 32768
[  399.668788][ T6768]  ? do_move_mount_old+0x160/0x160
[  399.680413][ T6768]  ? user_path_at_empty+0x12b/0x180
[  399.685660][ T6768]  __se_sys_mount+0x2d5/0x3c0
[  399.690382][ T6768]  ? __x64_sys_mount+0xc0/0xc0
[  399.695164][ T6768]  ? syscall_enter_from_user_mode+0x2e/0x240
[  399.701170][ T6768]  ? lockdep_hardirqs_on+0x94/0x130
[  399.706398][ T6768]  ? __x64_sys_mount+0x1c/0xc0
[  399.711255][ T6768]  do_syscall_64+0x3b/0xb0
[  399.715767][ T6768]  ? clear_bhb_loop+0x15/0x70
[  399.720447][ T6768]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  399.726430][ T6768] RIP: 0033:0x7fce8a7b190a
[  399.730851][ T6768] 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
[  399.750756][ T6768] RSP: 002b:00007fce89a20e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  399.759200][ T6768] RAX: ffffffffffffffda RBX: 00007fce89a20ef0 RCX: 00007fce8a7b190a
[  399.767633][ T6768] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fce89a20eb0
[  399.775626][ T6768] RBP: 0000200000000400 R08: 00007fce89a20ef0 R09: 0000000000000000
[  399.783604][ T6768] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  399.791606][ T6768] R13: 00007fce89a20eb0 R14: 00000000000125bb R15: 00002000000004c0
[  399.799610][ T6768]  </TASK>
[  399.809100][ T6772] loop5: detected capacity change from 0 to 32768
[  399.810387][ T6764] CPU: 0 PID: 6764 Comm: syz.4.487 Not tainted 5.15.180-syzkaller #0
[  399.823754][ T6764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  399.826401][ T6768] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  399.833823][ T6764] Call Trace:
[  399.833834][ T6764]  <TASK>
[  399.847790][ T6768] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  399.850470][ T6764]  dump_stack_lvl+0x1e3/0x2d0
[  399.864662][ T6764]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  399.870320][ T6764]  ? panic+0x860/0x860
[  399.874400][ T6764]  ? sysfs_create_dir_ns+0x282/0x390
[  399.879700][ T6764]  sysfs_create_dir_ns+0x2c6/0x390
[  399.884850][ T6764]  ? sysfs_warn_dup+0xa0/0xa0
[  399.889624][ T6764]  ? do_raw_spin_unlock+0x137/0x8b0
[  399.894822][ T6764]  ? kobject_set_name_vargs+0xca/0x110
[  399.900293][ T6764]  kobject_add_internal+0x6e0/0xe00
[  399.905498][ T6764]  kobject_init_and_add+0x120/0x190
[  399.910692][ T6764]  ? lockdep_softirqs_off+0x420/0x420
[  399.916165][ T6764]  ? widen_string+0x3a/0x310
[  399.920758][ T6764]  ? kobject_add+0x210/0x210
[  399.925352][ T6764]  ? __init_swait_queue_head+0xaa/0x140
[  399.930901][ T6764]  gfs2_sys_fs_add+0x237/0x4a0
[  399.935668][ T6764]  ? gfs2_recover_set+0x240/0x240
[  399.940711][ T6764]  ? snprintf+0xd6/0x120
[  399.944991][ T6764]  ? vscnprintf+0x80/0x80
[  399.949397][ T6764]  ? read_word_at_a_time+0xe/0x20
[  399.954610][ T6764]  ? strscpy+0x89/0x220
[  399.958891][ T6764]  gfs2_fill_super+0x1299/0x2750
[  399.963861][ T6764]  ? gfs2_reconfigure+0xcf0/0xcf0
[  399.968888][ T6764]  ? ptr_to_hashval+0x60/0x60
[  399.973568][ T6764]  ? up_write+0x19d/0x580
[  399.977913][ T6764]  ? set_blocksize+0x1ec/0x370
[  399.982717][ T6764]  get_tree_bdev+0x3fe/0x620
[  399.987323][ T6764]  ? gfs2_reconfigure+0xcf0/0xcf0
[  399.992350][ T6764]  gfs2_get_tree+0x50/0x210
[  399.996854][ T6764]  ? bpf_lsm_capable+0x5/0x10
[  400.001536][ T6764]  vfs_get_tree+0x88/0x270
[  400.005982][ T6764]  do_new_mount+0x2ba/0xb40
[  400.010512][ T6764]  ? do_move_mount_old+0x160/0x160
[  400.015655][ T6764]  ? user_path_at_empty+0x12b/0x180
[  400.020870][ T6764]  __se_sys_mount+0x2d5/0x3c0
[  400.025552][ T6764]  ? __x64_sys_mount+0xc0/0xc0
[  400.030326][ T6764]  ? syscall_enter_from_user_mode+0x2e/0x240
[  400.036313][ T6764]  ? lockdep_hardirqs_on+0x94/0x130
[  400.041516][ T6764]  ? __x64_sys_mount+0x1c/0xc0
[  400.046280][ T6764]  do_syscall_64+0x3b/0xb0
[  400.050696][ T6764]  ? clear_bhb_loop+0x15/0x70
[  400.055390][ T6764]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  400.061288][ T6764] RIP: 0033:0x7f79bbc9990a
[  400.065725][ T6764] 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
[  400.085330][ T6764] RSP: 002b:00007f79baf08e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  400.093848][ T6764] RAX: ffffffffffffffda RBX: 00007f79baf08ef0 RCX: 00007f79bbc9990a
[  400.101834][ T6764] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f79baf08eb0
[  400.109803][ T6764] RBP: 0000200000000400 R08: 00007f79baf08ef0 R09: 0000000000000000
[  400.117774][ T6764] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  400.125742][ T6764] R13: 00007f79baf08eb0 R14: 00000000000125bb R15: 00002000000004c0
[  400.133735][ T6764]  </TASK>
[  400.165059][ T6764] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  400.167662][ T6767] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  400.178865][ T6770] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  400.178884][ T6770] CPU: 1 PID: 6770 Comm: syz.1.488 Not tainted 5.15.180-syzkaller #0
[  400.178907][ T6770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  400.178920][ T6770] Call Trace:
[  400.178928][ T6770]  <TASK>
[  400.178938][ T6770]  dump_stack_lvl+0x1e3/0x2d0
[  400.178971][ T6770]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  400.179008][ T6770]  ? panic+0x860/0x860
[  400.179034][ T6770]  ? sysfs_create_dir_ns+0x282/0x390
[  400.179066][ T6770]  sysfs_create_dir_ns+0x2c6/0x390
[  400.179095][ T6770]  ? sysfs_warn_dup+0xa0/0xa0
[  400.179120][ T6770]  ? do_raw_spin_unlock+0x137/0x8b0
[  400.179147][ T6770]  ? kobject_set_name_vargs+0xca/0x110
[  400.179176][ T6770]  kobject_add_internal+0x6e0/0xe00
[  400.179207][ T6770]  kobject_init_and_add+0x120/0x190
[  400.179230][ T6770]  ? lockdep_softirqs_off+0x420/0x420
[  400.179251][ T6770]  ? widen_string+0x3a/0x310
[  400.179278][ T6770]  ? kobject_add+0x210/0x210
[  400.179305][ T6770]  ? __init_swait_queue_head+0xaa/0x140
[  400.179333][ T6770]  gfs2_sys_fs_add+0x237/0x4a0
[  400.179359][ T6770]  ? gfs2_recover_set+0x240/0x240
[  400.240948][ T6772] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  400.243484][ T6770]  ? snprintf+0xd6/0x120
[  400.311600][ T6770]  ? vscnprintf+0x80/0x80
[  400.315970][ T6770]  ? read_word_at_a_time+0xe/0x20
[  400.321037][ T6770]  ? strscpy+0x89/0x220
[  400.325212][ T6770]  gfs2_fill_super+0x1299/0x2750
[  400.330183][ T6770]  ? gfs2_reconfigure+0xcf0/0xcf0
[  400.335318][ T6770]  ? ptr_to_hashval+0x60/0x60
[  400.340013][ T6770]  ? up_write+0x19d/0x580
[  400.344382][ T6770]  ? set_blocksize+0x1ec/0x370
[  400.349161][ T6770]  get_tree_bdev+0x3fe/0x620
[  400.353956][ T6770]  ? gfs2_reconfigure+0xcf0/0xcf0
[  400.358990][ T6770]  gfs2_get_tree+0x50/0x210
[  400.363496][ T6770]  ? bpf_lsm_capable+0x5/0x10
[  400.368177][ T6770]  vfs_get_tree+0x88/0x270
[  400.372640][ T6770]  do_new_mount+0x2ba/0xb40
[  400.377155][ T6770]  ? do_move_mount_old+0x160/0x160
[  400.382282][ T6770]  ? user_path_at_empty+0x12b/0x180
[  400.387490][ T6770]  __se_sys_mount+0x2d5/0x3c0
[  400.392263][ T6770]  ? __x64_sys_mount+0xc0/0xc0
[  400.397034][ T6770]  ? syscall_enter_from_user_mode+0x2e/0x240
[  400.403025][ T6770]  ? lockdep_hardirqs_on+0x94/0x130
[  400.408236][ T6770]  ? __x64_sys_mount+0x1c/0xc0
[  400.413093][ T6770]  do_syscall_64+0x3b/0xb0
[  400.417534][ T6770]  ? clear_bhb_loop+0x15/0x70
[  400.422219][ T6770]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  400.428125][ T6770] RIP: 0033:0x7f05712b490a
[  400.432575][ T6770] 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
[  400.452286][ T6770] RSP: 002b:00007f0570523e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  400.460986][ T6770] RAX: ffffffffffffffda RBX: 00007f0570523ef0 RCX: 00007f05712b490a
[  400.468975][ T6770] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0570523eb0
[  400.476961][ T6770] RBP: 0000200000000400 R08: 00007f0570523ef0 R09: 0000000000000000
[  400.484955][ T6770] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  400.493069][ T6770] R13: 00007f0570523eb0 R14: 00000000000125bb R15: 00002000000004c0
[  400.501077][ T6770]  </TASK>
[  400.504114][ T6772] CPU: 0 PID: 6772 Comm: syz.5.491 Not tainted 5.15.180-syzkaller #0
[  400.512199][ T6772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  400.522364][ T6772] Call Trace:
[  400.525662][ T6772]  <TASK>
[  400.528609][ T6772]  dump_stack_lvl+0x1e3/0x2d0
[  400.529653][ T6770] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  400.533312][ T6772]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  400.552206][ T6772]  ? panic+0x860/0x860
[  400.554112][ T6770] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  400.556295][ T6772]  ? sysfs_create_dir_ns+0x282/0x390
[  400.556329][ T6772]  sysfs_create_dir_ns+0x2c6/0x390
[  400.556356][ T6772]  ? sysfs_warn_dup+0xa0/0xa0
[  400.556379][ T6772]  ? do_raw_spin_unlock+0x137/0x8b0
[  400.556405][ T6772]  ? kobject_set_name_vargs+0xca/0x110
[  400.573896][ T6764] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  400.578189][ T6772]  kobject_add_internal+0x6e0/0xe00
[  400.578230][ T6772]  kobject_init_and_add+0x120/0x190
[  400.578253][ T6772]  ? lockdep_softirqs_off+0x420/0x420
[  400.578275][ T6772]  ? widen_string+0x3a/0x310
[  400.578302][ T6772]  ? kobject_add+0x210/0x210
[  400.578327][ T6772]  ? __init_swait_queue_head+0xaa/0x140
[  400.578353][ T6772]  gfs2_sys_fs_add+0x237/0x4a0
[  400.578378][ T6772]  ? gfs2_recover_set+0x240/0x240
[  400.578400][ T6772]  ? snprintf+0xd6/0x120
[  400.578430][ T6772]  ? vscnprintf+0x80/0x80
[  400.578460][ T6772]  ? read_word_at_a_time+0xe/0x20
[  400.578484][ T6772]  ? strscpy+0x89/0x220
[  400.578510][ T6772]  gfs2_fill_super+0x1299/0x2750
[  400.659436][ T6772]  ? gfs2_reconfigure+0xcf0/0xcf0
[  400.664496][ T6772]  ? ptr_to_hashval+0x60/0x60
[  400.669223][ T6772]  ? up_write+0x19d/0x580
[  400.673602][ T6772]  ? set_blocksize+0x1ec/0x370
[  400.678390][ T6772]  get_tree_bdev+0x3fe/0x620
[  400.683009][ T6772]  ? gfs2_reconfigure+0xcf0/0xcf0
[  400.688138][ T6772]  gfs2_get_tree+0x50/0x210
[  400.692657][ T6772]  ? bpf_lsm_capable+0x5/0x10
[  400.697372][ T6772]  vfs_get_tree+0x88/0x270
[  400.701801][ T6772]  do_new_mount+0x2ba/0xb40
[  400.706406][ T6772]  ? do_move_mount_old+0x160/0x160
[  400.711537][ T6772]  ? user_path_at_empty+0x12b/0x180
[  400.716762][ T6772]  __se_sys_mount+0x2d5/0x3c0
[  400.721538][ T6772]  ? __x64_sys_mount+0xc0/0xc0
[  400.726309][ T6772]  ? syscall_enter_from_user_mode+0x2e/0x240
[  400.732509][ T6772]  ? lockdep_hardirqs_on+0x94/0x130
[  400.737845][ T6772]  ? __x64_sys_mount+0x1c/0xc0
[  400.742748][ T6772]  do_syscall_64+0x3b/0xb0
[  400.747378][ T6772]  ? clear_bhb_loop+0x15/0x70
[  400.752102][ T6772]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  400.758360][ T6772] RIP: 0033:0x7f806f2b290a
[  400.762787][ T6772] 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
[  400.782612][ T6772] RSP: 002b:00007f806e521e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  400.791139][ T6772] RAX: ffffffffffffffda RBX: 00007f806e521ef0 RCX: 00007f806f2b290a
[  400.799221][ T6772] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f806e521eb0
[  400.807211][ T6772] RBP: 0000200000000400 R08: 00007f806e521ef0 R09: 0000000000000000
[  400.815213][ T6772] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  400.823197][ T6772] R13: 00007f806e521eb0 R14: 00000000000125bb R15: 00002000000004c0
[  400.831321][ T6772]  </TASK>
[  400.834445][ T6767] CPU: 1 PID: 6767 Comm: syz.0.490 Not tainted 5.15.180-syzkaller #0
[  400.838056][ T6772] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  400.842737][ T6767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  400.842753][ T6767] Call Trace:
[  400.842761][ T6767]  <TASK>
[  400.842770][ T6767]  dump_stack_lvl+0x1e3/0x2d0
[  400.856165][ T6772] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  400.866011][ T6767]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  400.866044][ T6767]  ? panic+0x860/0x860
[  400.866070][ T6767]  ? sysfs_create_dir_ns+0x282/0x390
[  400.898468][ T6767]  sysfs_create_dir_ns+0x2c6/0x390
[  400.903743][ T6767]  ? sysfs_warn_dup+0xa0/0xa0
[  400.908432][ T6767]  ? do_raw_spin_unlock+0x137/0x8b0
[  400.913654][ T6767]  ? kobject_set_name_vargs+0xca/0x110
[  400.919405][ T6767]  kobject_add_internal+0x6e0/0xe00
[  400.924634][ T6767]  kobject_init_and_add+0x120/0x190
[  400.929844][ T6767]  ? lockdep_softirqs_off+0x420/0x420
[  400.935228][ T6767]  ? widen_string+0x3a/0x310
[  400.939849][ T6767]  ? kobject_add+0x210/0x210
[  400.944448][ T6767]  ? __init_swait_queue_head+0xaa/0x140
[  400.950028][ T6767]  gfs2_sys_fs_add+0x237/0x4a0
[  400.954979][ T6767]  ? gfs2_recover_set+0x240/0x240
[  400.960010][ T6767]  ? snprintf+0xd6/0x120
[  400.964784][ T6767]  ? vscnprintf+0x80/0x80
[  400.969144][ T6767]  ? read_word_at_a_time+0xe/0x20
[  400.974182][ T6767]  ? strscpy+0x89/0x220
[  400.978356][ T6767]  gfs2_fill_super+0x1299/0x2750
[  400.983310][ T6767]  ? gfs2_reconfigure+0xcf0/0xcf0
[  400.988345][ T6767]  ? ptr_to_hashval+0x60/0x60
[  400.993071][ T6767]  ? up_write+0x19d/0x580
[  400.997437][ T6767]  ? set_blocksize+0x1ec/0x370
[  401.002216][ T6767]  get_tree_bdev+0x3fe/0x620
[  401.006975][ T6767]  ? gfs2_reconfigure+0xcf0/0xcf0
[  401.012001][ T6767]  gfs2_get_tree+0x50/0x210
[  401.016529][ T6767]  ? bpf_lsm_capable+0x5/0x10
[  401.021205][ T6767]  vfs_get_tree+0x88/0x270
[  401.025626][ T6767]  do_new_mount+0x2ba/0xb40
[  401.030140][ T6767]  ? do_move_mount_old+0x160/0x160
[  401.035254][ T6767]  ? user_path_at_empty+0x12b/0x180
[  401.040469][ T6767]  __se_sys_mount+0x2d5/0x3c0
[  401.045168][ T6767]  ? __x64_sys_mount+0xc0/0xc0
[  401.049926][ T6767]  ? syscall_enter_from_user_mode+0x2e/0x240
[  401.056036][ T6767]  ? lockdep_hardirqs_on+0x94/0x130
[  401.061249][ T6767]  ? __x64_sys_mount+0x1c/0xc0
[  401.066058][ T6767]  do_syscall_64+0x3b/0xb0
[  401.070473][ T6767]  ? clear_bhb_loop+0x15/0x70
[  401.075151][ T6767]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  401.081061][ T6767] RIP: 0033:0x7fc971f7e90a
[  401.085491][ T6767] 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
[  401.105120][ T6767] RSP: 002b:00007fc9711ede68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  401.113540][ T6767] RAX: ffffffffffffffda RBX: 00007fc9711edef0 RCX: 00007fc971f7e90a
[  401.121618][ T6767] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc9711edeb0
[  401.129596][ T6767] RBP: 0000200000000400 R08: 00007fc9711edef0 R09: 0000000000000000
[  401.137658][ T6767] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  401.145992][ T6767] R13: 00007fc9711edeb0 R14: 00000000000125bb R15: 00002000000004c0
[  401.153980][ T6767]  </TASK>
[  401.169133][ T6767] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  401.183118][ T6767] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  402.550645][ T6774] loop2: detected capacity change from 0 to 32768
[  402.564480][ T6776] loop1: detected capacity change from 0 to 32768
[  402.589367][ T6774] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  402.617753][ T6774] CPU: 1 PID: 6774 Comm: syz.2.492 Not tainted 5.15.180-syzkaller #0
[  402.625961][ T6774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  402.636040][ T6774] Call Trace:
[  402.639337][ T6774]  <TASK>
[  402.642314][ T6774]  dump_stack_lvl+0x1e3/0x2d0
[  402.647199][ T6774]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  402.653060][ T6774]  ? panic+0x860/0x860
[  402.657166][ T6774]  ? sysfs_create_dir_ns+0x282/0x390
[  402.659715][ T6778] loop4: detected capacity change from 0 to 32768
[  402.662489][ T6774]  sysfs_create_dir_ns+0x2c6/0x390
[  402.674022][ T6774]  ? sysfs_warn_dup+0xa0/0xa0
[  402.678729][ T6774]  ? do_raw_spin_unlock+0x137/0x8b0
[  402.683958][ T6774]  ? kobject_set_name_vargs+0xca/0x110
[  402.689536][ T6774]  kobject_add_internal+0x6e0/0xe00
[  402.694873][ T6774]  kobject_init_and_add+0x120/0x190
[  402.700100][ T6774]  ? lockdep_softirqs_off+0x420/0x420
[  402.705494][ T6774]  ? widen_string+0x3a/0x310
[  402.710113][ T6774]  ? kobject_add+0x210/0x210
[  402.714723][ T6774]  ? __init_swait_queue_head+0xaa/0x140
[  402.720286][ T6774]  gfs2_sys_fs_add+0x237/0x4a0
[  402.725081][ T6774]  ? gfs2_recover_set+0x240/0x240
[  402.730123][ T6774]  ? snprintf+0xd6/0x120
[  402.734394][ T6774]  ? vscnprintf+0x80/0x80
[  402.738749][ T6774]  ? read_word_at_a_time+0xe/0x20
[  402.741260][ T6780] loop5: detected capacity change from 0 to 32768
[  402.743788][ T6774]  ? strscpy+0x89/0x220
[  402.754488][ T6774]  gfs2_fill_super+0x1299/0x2750
[  402.759481][ T6774]  ? gfs2_reconfigure+0xcf0/0xcf0
[  402.764536][ T6774]  ? ptr_to_hashval+0x60/0x60
[  402.769241][ T6774]  ? up_write+0x19d/0x580
[  402.773626][ T6774]  ? set_blocksize+0x1ec/0x370
[  402.778439][ T6774]  get_tree_bdev+0x3fe/0x620
[  402.783073][ T6774]  ? gfs2_reconfigure+0xcf0/0xcf0
[  402.788134][ T6774]  gfs2_get_tree+0x50/0x210
[  402.792758][ T6774]  ? bpf_lsm_capable+0x5/0x10
[  402.797472][ T6774]  vfs_get_tree+0x88/0x270
[  402.801918][ T6774]  do_new_mount+0x2ba/0xb40
[  402.806449][ T6774]  ? do_move_mount_old+0x160/0x160
[  402.811708][ T6774]  ? user_path_at_empty+0x12b/0x180
[  402.812977][ T6782] loop0: detected capacity change from 0 to 32768
[  402.816921][ T6774]  __se_sys_mount+0x2d5/0x3c0
[  402.816955][ T6774]  ? __x64_sys_mount+0xc0/0xc0
[  402.816978][ T6774]  ? syscall_enter_from_user_mode+0x2e/0x240
[  402.817001][ T6774]  ? lockdep_hardirqs_on+0x94/0x130
[  402.817028][ T6774]  ? __x64_sys_mount+0x1c/0xc0
[  402.817052][ T6774]  do_syscall_64+0x3b/0xb0
[  402.817075][ T6774]  ? clear_bhb_loop+0x15/0x70
[  402.817099][ T6774]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  402.817123][ T6774] RIP: 0033:0x7fce8a7b190a
[  402.817145][ T6774] 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
[  402.817164][ T6774] RSP: 002b:00007fce89a20e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  402.897562][ T6774] RAX: ffffffffffffffda RBX: 00007fce89a20ef0 RCX: 00007fce8a7b190a
[  402.905535][ T6774] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fce89a20eb0
[  402.913512][ T6774] RBP: 0000200000000400 R08: 00007fce89a20ef0 R09: 0000000000000000
[  402.921498][ T6774] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  402.929523][ T6774] R13: 00007fce89a20eb0 R14: 00000000000125bb R15: 00002000000004c0
[  402.937520][ T6774]  </TASK>
[  402.941517][ T6774] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  402.955376][ T6774] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  402.998340][ T6776] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  403.006663][ T6782] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  403.014298][ T6778] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  403.014660][ T6776] CPU: 1 PID: 6776 Comm: syz.1.493 Not tainted 5.15.180-syzkaller #0
[  403.021896][ T6780] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  403.029915][ T6776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  403.029931][ T6776] Call Trace:
[  403.029938][ T6776]  <TASK>
[  403.029947][ T6776]  dump_stack_lvl+0x1e3/0x2d0
[  403.029981][ T6776]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  403.064552][ T6776]  ? panic+0x860/0x860
[  403.068647][ T6776]  ? sysfs_create_dir_ns+0x282/0x390
[  403.073978][ T6776]  sysfs_create_dir_ns+0x2c6/0x390
[  403.079155][ T6776]  ? sysfs_warn_dup+0xa0/0xa0
[  403.083851][ T6776]  ? do_raw_spin_unlock+0x137/0x8b0
[  403.089061][ T6776]  ? kobject_set_name_vargs+0xca/0x110
[  403.094559][ T6776]  kobject_add_internal+0x6e0/0xe00
[  403.099770][ T6776]  kobject_init_and_add+0x120/0x190
[  403.104974][ T6776]  ? lockdep_softirqs_off+0x420/0x420
[  403.110373][ T6776]  ? widen_string+0x3a/0x310
[  403.115040][ T6776]  ? kobject_add+0x210/0x210
[  403.119766][ T6776]  ? __init_swait_queue_head+0xaa/0x140
[  403.125326][ T6776]  gfs2_sys_fs_add+0x237/0x4a0
[  403.130210][ T6776]  ? gfs2_recover_set+0x240/0x240
[  403.135328][ T6776]  ? snprintf+0xd6/0x120
[  403.139600][ T6776]  ? vscnprintf+0x80/0x80
[  403.143985][ T6776]  ? read_word_at_a_time+0xe/0x20
[  403.149036][ T6776]  ? strscpy+0x89/0x220
[  403.153209][ T6776]  gfs2_fill_super+0x1299/0x2750
[  403.158181][ T6776]  ? gfs2_reconfigure+0xcf0/0xcf0
[  403.163306][ T6776]  ? ptr_to_hashval+0x60/0x60
[  403.168000][ T6776]  ? up_write+0x19d/0x580
[  403.172465][ T6776]  ? set_blocksize+0x1ec/0x370
[  403.177260][ T6776]  get_tree_bdev+0x3fe/0x620
[  403.181874][ T6776]  ? gfs2_reconfigure+0xcf0/0xcf0
[  403.187269][ T6776]  gfs2_get_tree+0x50/0x210
[  403.191835][ T6776]  ? bpf_lsm_capable+0x5/0x10
[  403.196532][ T6776]  vfs_get_tree+0x88/0x270
[  403.200983][ T6776]  do_new_mount+0x2ba/0xb40
[  403.205494][ T6776]  ? do_move_mount_old+0x160/0x160
[  403.210610][ T6776]  ? user_path_at_empty+0x12b/0x180
[  403.215945][ T6776]  __se_sys_mount+0x2d5/0x3c0
[  403.220682][ T6776]  ? __x64_sys_mount+0xc0/0xc0
[  403.225464][ T6776]  ? syscall_enter_from_user_mode+0x2e/0x240
[  403.231456][ T6776]  ? lockdep_hardirqs_on+0x94/0x130
[  403.236669][ T6776]  ? __x64_sys_mount+0x1c/0xc0
[  403.241446][ T6776]  do_syscall_64+0x3b/0xb0
[  403.245882][ T6776]  ? clear_bhb_loop+0x15/0x70
[  403.250564][ T6776]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  403.256462][ T6776] RIP: 0033:0x7f05712b490a
[  403.260906][ T6776] 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
[  403.280698][ T6776] RSP: 002b:00007f0570523e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  403.289125][ T6776] RAX: ffffffffffffffda RBX: 00007f0570523ef0 RCX: 00007f05712b490a
[  403.297124][ T6776] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0570523eb0
[  403.305119][ T6776] RBP: 0000200000000400 R08: 00007f0570523ef0 R09: 0000000000000000
[  403.313109][ T6776] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  403.321079][ T6776] R13: 00007f0570523eb0 R14: 00000000000125bb R15: 00002000000004c0
[  403.329067][ T6776]  </TASK>
[  403.332088][ T6782] CPU: 0 PID: 6782 Comm: syz.0.496 Not tainted 5.15.180-syzkaller #0
[  403.340177][ T6782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  403.350257][ T6782] Call Trace:
[  403.353559][ T6782]  <TASK>
[  403.356505][ T6782]  dump_stack_lvl+0x1e3/0x2d0
[  403.361237][ T6782]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  403.366911][ T6782]  ? panic+0x860/0x860
[  403.371018][ T6782]  ? sysfs_create_dir_ns+0x282/0x390
[  403.376356][ T6782]  sysfs_create_dir_ns+0x2c6/0x390
[  403.381509][ T6782]  ? sysfs_warn_dup+0xa0/0xa0
[  403.386226][ T6782]  ? do_raw_spin_unlock+0x137/0x8b0
[  403.391455][ T6782]  ? kobject_set_name_vargs+0xca/0x110
[  403.396973][ T6782]  kobject_add_internal+0x6e0/0xe00
[  403.402252][ T6782]  kobject_init_and_add+0x120/0x190
[  403.402333][ T6776] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  403.407502][ T6782]  ? lockdep_softirqs_off+0x420/0x420
[  403.407526][ T6782]  ? widen_string+0x3a/0x310
[  403.407553][ T6782]  ? kobject_add+0x210/0x210
[  403.407579][ T6782]  ? __init_swait_queue_head+0xaa/0x140
[  403.407606][ T6782]  gfs2_sys_fs_add+0x237/0x4a0
[  403.407631][ T6782]  ? gfs2_recover_set+0x240/0x240
[  403.407654][ T6782]  ? snprintf+0xd6/0x120
[  403.407683][ T6782]  ? vscnprintf+0x80/0x80
[  403.407712][ T6782]  ? read_word_at_a_time+0xe/0x20
[  403.407735][ T6782]  ? strscpy+0x89/0x220
[  403.428440][ T6776] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  403.430769][ T6782]  gfs2_fill_super+0x1299/0x2750
[  403.480113][ T6782]  ? gfs2_reconfigure+0xcf0/0xcf0
[  403.485281][ T6782]  ? ptr_to_hashval+0x60/0x60
[  403.489989][ T6782]  ? up_write+0x19d/0x580
[  403.494369][ T6782]  ? set_blocksize+0x1ec/0x370
[  403.499182][ T6782]  get_tree_bdev+0x3fe/0x620
[  403.503806][ T6782]  ? gfs2_reconfigure+0xcf0/0xcf0
[  403.508867][ T6782]  gfs2_get_tree+0x50/0x210
[  403.513398][ T6782]  ? bpf_lsm_capable+0x5/0x10
[  403.518113][ T6782]  vfs_get_tree+0x88/0x270
[  403.522574][ T6782]  do_new_mount+0x2ba/0xb40
[  403.527122][ T6782]  ? do_move_mount_old+0x160/0x160
[  403.532279][ T6782]  ? user_path_at_empty+0x12b/0x180
[  403.537862][ T6782]  __se_sys_mount+0x2d5/0x3c0
[  403.542575][ T6782]  ? __x64_sys_mount+0xc0/0xc0
[  403.547357][ T6782]  ? syscall_enter_from_user_mode+0x2e/0x240
[  403.553373][ T6782]  ? lockdep_hardirqs_on+0x94/0x130
[  403.558597][ T6782]  ? __x64_sys_mount+0x1c/0xc0
[  403.563467][ T6782]  do_syscall_64+0x3b/0xb0
[  403.567933][ T6782]  ? clear_bhb_loop+0x15/0x70
[  403.572632][ T6782]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  403.578597][ T6782] RIP: 0033:0x7fc971f7e90a
[  403.583040][ T6782] 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
[  403.602869][ T6782] RSP: 002b:00007fc9711ede68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  403.611388][ T6782] RAX: ffffffffffffffda RBX: 00007fc9711edef0 RCX: 00007fc971f7e90a
[  403.619382][ T6782] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc9711edeb0
[  403.627385][ T6782] RBP: 0000200000000400 R08: 00007fc9711edef0 R09: 0000000000000000
[  403.635394][ T6782] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  403.643383][ T6782] R13: 00007fc9711edeb0 R14: 00000000000125bb R15: 00002000000004c0
2025/04/13 17:11:36 executed programs: 491
[  403.651467][ T6782]  </TASK>
[  403.654514][ T6780] CPU: 1 PID: 6780 Comm: syz.5.495 Not tainted 5.15.180-syzkaller #0
[  403.662623][ T6780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  403.672837][ T6780] Call Trace:
[  403.676130][ T6780]  <TASK>
[  403.679086][ T6780]  dump_stack_lvl+0x1e3/0x2d0
[  403.683777][ T6780]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  403.689419][ T6780]  ? panic+0x860/0x860
[  403.693625][ T6780]  ? sysfs_create_dir_ns+0x282/0x390
[  403.699015][ T6780]  sysfs_create_dir_ns+0x2c6/0x390
[  403.704153][ T6780]  ? sysfs_warn_dup+0xa0/0xa0
[  403.708834][ T6780]  ? do_raw_spin_unlock+0x137/0x8b0
[  403.714145][ T6780]  ? kobject_set_name_vargs+0xca/0x110
[  403.719644][ T6780]  kobject_add_internal+0x6e0/0xe00
[  403.724912][ T6780]  kobject_init_and_add+0x120/0x190
[  403.730299][ T6780]  ? lockdep_softirqs_off+0x420/0x420
[  403.735674][ T6780]  ? widen_string+0x3a/0x310
[  403.740272][ T6780]  ? kobject_add+0x210/0x210
[  403.744870][ T6780]  ? __init_swait_queue_head+0xaa/0x140
[  403.750449][ T6780]  gfs2_sys_fs_add+0x237/0x4a0
[  403.755263][ T6780]  ? gfs2_recover_set+0x240/0x240
[  403.760322][ T6780]  ? snprintf+0xd6/0x120
[  403.764578][ T6780]  ? vscnprintf+0x80/0x80
[  403.768925][ T6780]  ? read_word_at_a_time+0xe/0x20
[  403.773989][ T6780]  ? strscpy+0x89/0x220
[  403.778307][ T6780]  gfs2_fill_super+0x1299/0x2750
[  403.783292][ T6780]  ? gfs2_reconfigure+0xcf0/0xcf0
[  403.788328][ T6780]  ? ptr_to_hashval+0x60/0x60
[  403.793041][ T6780]  ? up_write+0x19d/0x580
[  403.797552][ T6780]  ? set_blocksize+0x1ec/0x370
[  403.802370][ T6780]  get_tree_bdev+0x3fe/0x620
[  403.807006][ T6780]  ? gfs2_reconfigure+0xcf0/0xcf0
[  403.812082][ T6780]  gfs2_get_tree+0x50/0x210
[  403.816600][ T6780]  ? bpf_lsm_capable+0x5/0x10
[  403.821402][ T6780]  vfs_get_tree+0x88/0x270
[  403.825954][ T6780]  do_new_mount+0x2ba/0xb40
[  403.830483][ T6780]  ? do_move_mount_old+0x160/0x160
[  403.835700][ T6780]  ? user_path_at_empty+0x12b/0x180
[  403.840925][ T6780]  __se_sys_mount+0x2d5/0x3c0
[  403.845634][ T6780]  ? __x64_sys_mount+0xc0/0xc0
[  403.850436][ T6780]  ? syscall_enter_from_user_mode+0x2e/0x240
[  403.856445][ T6780]  ? lockdep_hardirqs_on+0x94/0x130
[  403.861772][ T6780]  ? __x64_sys_mount+0x1c/0xc0
[  403.866754][ T6780]  do_syscall_64+0x3b/0xb0
[  403.871195][ T6780]  ? clear_bhb_loop+0x15/0x70
[  403.875919][ T6780]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  403.881822][ T6780] RIP: 0033:0x7f806f2b290a
[  403.886249][ T6780] 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
[  403.905862][ T6780] RSP: 002b:00007f806e521e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  403.914339][ T6780] RAX: ffffffffffffffda RBX: 00007f806e521ef0 RCX: 00007f806f2b290a
[  403.922430][ T6780] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f806e521eb0
[  403.930429][ T6780] RBP: 0000200000000400 R08: 00007f806e521ef0 R09: 0000000000000000
[  403.938418][ T6780] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  403.946406][ T6780] R13: 00007f806e521eb0 R14: 00000000000125bb R15: 00002000000004c0
[  403.954428][ T6780]  </TASK>
[  403.961542][ T6780] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  403.971481][ T6778] CPU: 0 PID: 6778 Comm: syz.4.494 Not tainted 5.15.180-syzkaller #0
[  403.975157][ T6780] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  403.982838][ T6778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  403.999729][ T6778] Call Trace:
[  404.003014][ T6778]  <TASK>
[  404.005942][ T6778]  dump_stack_lvl+0x1e3/0x2d0
[  404.010627][ T6778]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  404.016260][ T6778]  ? panic+0x860/0x860
[  404.020333][ T6778]  ? sysfs_create_dir_ns+0x282/0x390
[  404.025720][ T6778]  sysfs_create_dir_ns+0x2c6/0x390
[  404.030920][ T6778]  ? sysfs_warn_dup+0xa0/0xa0
[  404.035607][ T6778]  ? do_raw_spin_unlock+0x137/0x8b0
[  404.040818][ T6778]  ? kobject_set_name_vargs+0xca/0x110
[  404.046311][ T6778]  kobject_add_internal+0x6e0/0xe00
[  404.051515][ T6778]  kobject_init_and_add+0x120/0x190
[  404.056797][ T6778]  ? lockdep_softirqs_off+0x420/0x420
[  404.062200][ T6778]  ? widen_string+0x3a/0x310
[  404.066814][ T6778]  ? kobject_add+0x210/0x210
[  404.071425][ T6778]  ? __init_swait_queue_head+0xaa/0x140
[  404.076982][ T6778]  gfs2_sys_fs_add+0x237/0x4a0
[  404.081840][ T6778]  ? gfs2_recover_set+0x240/0x240
[  404.087060][ T6778]  ? snprintf+0xd6/0x120
[  404.091356][ T6778]  ? vscnprintf+0x80/0x80
[  404.095714][ T6778]  ? read_word_at_a_time+0xe/0x20
[  404.100771][ T6778]  ? strscpy+0x89/0x220
[  404.104963][ T6778]  gfs2_fill_super+0x1299/0x2750
[  404.110057][ T6778]  ? gfs2_reconfigure+0xcf0/0xcf0
[  404.115103][ T6778]  ? ptr_to_hashval+0x60/0x60
[  404.119805][ T6778]  ? up_write+0x19d/0x580
[  404.124246][ T6778]  ? set_blocksize+0x1ec/0x370
[  404.129023][ T6778]  get_tree_bdev+0x3fe/0x620
[  404.133616][ T6778]  ? gfs2_reconfigure+0xcf0/0xcf0
[  404.138643][ T6778]  gfs2_get_tree+0x50/0x210
[  404.143148][ T6778]  ? bpf_lsm_capable+0x5/0x10
[  404.147830][ T6778]  vfs_get_tree+0x88/0x270
[  404.152786][ T6778]  do_new_mount+0x2ba/0xb40
[  404.157316][ T6778]  ? do_move_mount_old+0x160/0x160
[  404.162634][ T6778]  ? user_path_at_empty+0x12b/0x180
[  404.167878][ T6778]  __se_sys_mount+0x2d5/0x3c0
[  404.172578][ T6778]  ? __x64_sys_mount+0xc0/0xc0
[  404.177357][ T6778]  ? syscall_enter_from_user_mode+0x2e/0x240
[  404.183336][ T6778]  ? lockdep_hardirqs_on+0x94/0x130
[  404.188540][ T6778]  ? __x64_sys_mount+0x1c/0xc0
[  404.193335][ T6778]  do_syscall_64+0x3b/0xb0
[  404.197753][ T6778]  ? clear_bhb_loop+0x15/0x70
[  404.202432][ T6778]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  404.208319][ T6778] RIP: 0033:0x7f79bbc9990a
[  404.212732][ T6778] 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
[  404.232336][ T6778] RSP: 002b:00007f79baf08e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  404.240761][ T6778] RAX: ffffffffffffffda RBX: 00007f79baf08ef0 RCX: 00007f79bbc9990a
[  404.248833][ T6778] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f79baf08eb0
[  404.256804][ T6778] RBP: 0000200000000400 R08: 00007f79baf08ef0 R09: 0000000000000000
[  404.264800][ T6778] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  404.272786][ T6778] R13: 00007f79baf08eb0 R14: 00000000000125bb R15: 00002000000004c0
[  404.280948][ T6778]  </TASK>
[  404.330943][ T6782] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  404.347140][ T6782] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  404.470509][ T6778] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  404.504623][ T6778] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  405.235167][ T6785] loop1: detected capacity change from 0 to 32768
[  405.306255][ T6785] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  405.324229][ T6785] CPU: 1 PID: 6785 Comm: syz.1.497 Not tainted 5.15.180-syzkaller #0
[  405.332564][ T6785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  405.342649][ T6785] Call Trace:
[  405.345949][ T6785]  <TASK>
[  405.349081][ T6785]  dump_stack_lvl+0x1e3/0x2d0
[  405.353795][ T6785]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  405.359555][ T6785]  ? panic+0x860/0x860
[  405.363742][ T6785]  ? sysfs_create_dir_ns+0x282/0x390
[  405.369058][ T6785]  sysfs_create_dir_ns+0x2c6/0x390
[  405.374205][ T6785]  ? sysfs_warn_dup+0xa0/0xa0
[  405.378958][ T6785]  ? do_raw_spin_unlock+0x137/0x8b0
[  405.384186][ T6785]  ? kobject_set_name_vargs+0xca/0x110
[  405.389676][ T6785]  kobject_add_internal+0x6e0/0xe00
[  405.394916][ T6785]  kobject_init_and_add+0x120/0x190
[  405.400184][ T6785]  ? lockdep_softirqs_off+0x420/0x420
[  405.405579][ T6785]  ? widen_string+0x3a/0x310
[  405.410195][ T6785]  ? kobject_add+0x210/0x210
[  405.414809][ T6785]  ? __init_swait_queue_head+0xaa/0x140
[  405.420390][ T6785]  gfs2_sys_fs_add+0x237/0x4a0
[  405.425300][ T6785]  ? gfs2_recover_set+0x240/0x240
[  405.430358][ T6785]  ? snprintf+0xd6/0x120
[  405.434652][ T6785]  ? vscnprintf+0x80/0x80
[  405.439024][ T6785]  ? read_word_at_a_time+0xe/0x20
[  405.444071][ T6785]  ? strscpy+0x89/0x220
[  405.448252][ T6785]  gfs2_fill_super+0x1299/0x2750
[  405.453363][ T6785]  ? gfs2_reconfigure+0xcf0/0xcf0
[  405.458528][ T6785]  ? ptr_to_hashval+0x60/0x60
[  405.463270][ T6785]  ? up_write+0x19d/0x580
[  405.467641][ T6785]  ? set_blocksize+0x1ec/0x370
[  405.472531][ T6785]  get_tree_bdev+0x3fe/0x620
[  405.477154][ T6785]  ? gfs2_reconfigure+0xcf0/0xcf0
[  405.482305][ T6785]  gfs2_get_tree+0x50/0x210
[  405.487364][ T6785]  ? bpf_lsm_capable+0x5/0x10
[  405.492085][ T6785]  vfs_get_tree+0x88/0x270
[  405.496525][ T6785]  do_new_mount+0x2ba/0xb40
[  405.501090][ T6785]  ? do_move_mount_old+0x160/0x160
[  405.506319][ T6785]  ? user_path_at_empty+0x12b/0x180
[  405.511548][ T6785]  __se_sys_mount+0x2d5/0x3c0
[  405.516269][ T6785]  ? __x64_sys_mount+0xc0/0xc0
[  405.521059][ T6785]  ? syscall_enter_from_user_mode+0x2e/0x240
[  405.527230][ T6785]  ? lockdep_hardirqs_on+0x94/0x130
[  405.532474][ T6785]  ? __x64_sys_mount+0x1c/0xc0
[  405.537269][ T6785]  do_syscall_64+0x3b/0xb0
[  405.541704][ T6785]  ? clear_bhb_loop+0x15/0x70
[  405.546452][ T6785]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  405.552654][ T6785] RIP: 0033:0x7f05712b490a
[  405.557091][ T6785] 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
[  405.574083][ T6787] loop2: detected capacity change from 0 to 32768
[  405.576977][ T6785] RSP: 002b:00007f0570502e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  405.577007][ T6785] RAX: ffffffffffffffda RBX: 00007f0570502ef0 RCX: 00007f05712b490a
[  405.577023][ T6785] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0570502eb0
[  405.577039][ T6785] RBP: 0000200000000400 R08: 00007f0570502ef0 R09: 0000000000000000
[  405.577053][ T6785] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  405.577068][ T6785] R13: 00007f0570502eb0 R14: 00000000000125bb R15: 00002000000004c0
[  405.577099][ T6785]  </TASK>
[  405.657492][ T6785] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  405.671227][ T6785] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  405.671381][ T6787] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  405.744806][ T6787] CPU: 1 PID: 6787 Comm: syz.2.498 Not tainted 5.15.180-syzkaller #0
[  405.752929][ T6787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  405.763180][ T6787] Call Trace:
[  405.766658][ T6787]  <TASK>
[  405.769612][ T6787]  dump_stack_lvl+0x1e3/0x2d0
[  405.774353][ T6787]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  405.780024][ T6787]  ? panic+0x860/0x860
[  405.784119][ T6787]  ? sysfs_create_dir_ns+0x282/0x390
[  405.789431][ T6787]  sysfs_create_dir_ns+0x2c6/0x390
[  405.794576][ T6787]  ? sysfs_warn_dup+0xa0/0xa0
[  405.799284][ T6787]  ? do_raw_spin_unlock+0x137/0x8b0
[  405.804506][ T6787]  ? kobject_set_name_vargs+0xca/0x110
[  405.810084][ T6787]  kobject_add_internal+0x6e0/0xe00
[  405.815320][ T6787]  kobject_init_and_add+0x120/0x190
[  405.820580][ T6787]  ? lockdep_softirqs_off+0x420/0x420
[  405.825989][ T6787]  ? widen_string+0x3a/0x310
[  405.830623][ T6787]  ? kobject_add+0x210/0x210
[  405.833636][ T6789] loop0: detected capacity change from 0 to 32768
[  405.835239][ T6787]  ? __init_swait_queue_head+0xaa/0x140
[  405.835273][ T6787]  gfs2_sys_fs_add+0x237/0x4a0
[  405.852010][ T6787]  ? gfs2_recover_set+0x240/0x240
[  405.857157][ T6787]  ? snprintf+0xd6/0x120
[  405.861936][ T6787]  ? vscnprintf+0x80/0x80
[  405.866296][ T6787]  ? read_word_at_a_time+0xe/0x20
[  405.871353][ T6787]  ? strscpy+0x89/0x220
[  405.875638][ T6787]  gfs2_fill_super+0x1299/0x2750
[  405.880712][ T6787]  ? gfs2_reconfigure+0xcf0/0xcf0
[  405.885975][ T6787]  ? ptr_to_hashval+0x60/0x60
[  405.890686][ T6787]  ? up_write+0x19d/0x580
[  405.895069][ T6787]  ? set_blocksize+0x1ec/0x370
[  405.899874][ T6787]  get_tree_bdev+0x3fe/0x620
[  405.904531][ T6787]  ? gfs2_reconfigure+0xcf0/0xcf0
[  405.909587][ T6787]  gfs2_get_tree+0x50/0x210
[  405.914118][ T6787]  ? bpf_lsm_capable+0x5/0x10
[  405.918821][ T6787]  vfs_get_tree+0x88/0x270
[  405.923259][ T6787]  do_new_mount+0x2ba/0xb40
[  405.927784][ T6787]  ? do_move_mount_old+0x160/0x160
[  405.932920][ T6787]  ? user_path_at_empty+0x12b/0x180
[  405.938149][ T6787]  __se_sys_mount+0x2d5/0x3c0
[  405.942850][ T6787]  ? __x64_sys_mount+0xc0/0xc0
[  405.947638][ T6787]  ? syscall_enter_from_user_mode+0x2e/0x240
[  405.953645][ T6787]  ? lockdep_hardirqs_on+0x94/0x130
[  405.958875][ T6787]  ? __x64_sys_mount+0x1c/0xc0
[  405.962424][ T6791] loop5: detected capacity change from 0 to 32768
[  405.963710][ T6787]  do_syscall_64+0x3b/0xb0
[  405.974746][ T6787]  ? clear_bhb_loop+0x15/0x70
[  405.979463][ T6787]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  405.985702][ T6787] RIP: 0033:0x7fce8a7b190a
[  405.990151][ T6787] 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
[  406.010046][ T6787] RSP: 002b:00007fce89a20e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  406.018490][ T6787] RAX: ffffffffffffffda RBX: 00007fce89a20ef0 RCX: 00007fce8a7b190a
[  406.026492][ T6787] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fce89a20eb0
[  406.034573][ T6787] RBP: 0000200000000400 R08: 00007fce89a20ef0 R09: 0000000000000000
[  406.042678][ T6787] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  406.050761][ T6787] R13: 00007fce89a20eb0 R14: 00000000000125bb R15: 00002000000004c0
[  406.058877][ T6787]  </TASK>
[  406.093291][ T6791] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  406.101110][ T6791] CPU: 1 PID: 6791 Comm: syz.5.500 Not tainted 5.15.180-syzkaller #0
[  406.102369][ T6789] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  406.109210][ T6791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  406.109226][ T6791] Call Trace:
[  406.109234][ T6791]  <TASK>
[  406.109244][ T6791]  dump_stack_lvl+0x1e3/0x2d0
[  406.109276][ T6791]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  406.109302][ T6791]  ? panic+0x860/0x860
[  406.109326][ T6791]  ? sysfs_create_dir_ns+0x282/0x390
[  406.109357][ T6791]  sysfs_create_dir_ns+0x2c6/0x390
[  406.109385][ T6791]  ? sysfs_warn_dup+0xa0/0xa0
[  406.109410][ T6791]  ? do_raw_spin_unlock+0x137/0x8b0
[  406.109437][ T6791]  ? kobject_set_name_vargs+0xca/0x110
[  406.109466][ T6791]  kobject_add_internal+0x6e0/0xe00
[  406.109497][ T6791]  kobject_init_and_add+0x120/0x190
[  406.109520][ T6791]  ? lockdep_softirqs_off+0x420/0x420
[  406.109548][ T6791]  ? widen_string+0x3a/0x310
[  406.109575][ T6791]  ? kobject_add+0x210/0x210
[  406.109603][ T6791]  ? __init_swait_queue_head+0xaa/0x140
[  406.109630][ T6791]  gfs2_sys_fs_add+0x237/0x4a0
[  406.109657][ T6791]  ? gfs2_recover_set+0x240/0x240
[  406.109680][ T6791]  ? snprintf+0xd6/0x120
[  406.109710][ T6791]  ? vscnprintf+0x80/0x80
[  406.109739][ T6791]  ? read_word_at_a_time+0xe/0x20
[  406.109763][ T6791]  ? strscpy+0x89/0x220
[  406.109789][ T6791]  gfs2_fill_super+0x1299/0x2750
[  406.109835][ T6791]  ? gfs2_reconfigure+0xcf0/0xcf0
[  406.109859][ T6791]  ? ptr_to_hashval+0x60/0x60
[  406.109885][ T6791]  ? up_write+0x19d/0x580
[  406.109928][ T6791]  ? set_blocksize+0x1ec/0x370
[  406.109964][ T6791]  get_tree_bdev+0x3fe/0x620
[  406.109989][ T6791]  ? gfs2_reconfigure+0xcf0/0xcf0
[  406.110016][ T6791]  gfs2_get_tree+0x50/0x210
[  406.110038][ T6791]  ? bpf_lsm_capable+0x5/0x10
[  406.110065][ T6791]  vfs_get_tree+0x88/0x270
[  406.110089][ T6791]  do_new_mount+0x2ba/0xb40
[  406.110118][ T6791]  ? do_move_mount_old+0x160/0x160
[  406.110145][ T6791]  ? user_path_at_empty+0x12b/0x180
[  406.110171][ T6791]  __se_sys_mount+0x2d5/0x3c0
[  406.110199][ T6791]  ? __x64_sys_mount+0xc0/0xc0
[  406.110221][ T6791]  ? syscall_enter_from_user_mode+0x2e/0x240
[  406.110244][ T6791]  ? lockdep_hardirqs_on+0x94/0x130
[  406.110272][ T6791]  ? __x64_sys_mount+0x1c/0xc0
[  406.110297][ T6791]  do_syscall_64+0x3b/0xb0
[  406.110319][ T6791]  ? clear_bhb_loop+0x15/0x70
[  406.110342][ T6791]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  406.242989][ T6793] loop4: detected capacity change from 0 to 32768
[  406.243177][ T6791] RIP: 0033:0x7f806f2b290a
[  406.312753][ T6787] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  406.316128][ T6791] 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
[  406.316151][ T6791] RSP: 002b:00007f806e521e68 EFLAGS: 00000246
[  406.341331][ T6787] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  406.342274][ T6791]  ORIG_RAX: 00000000000000a5
[  406.342289][ T6791] RAX: ffffffffffffffda RBX: 00007f806e521ef0 RCX: 00007f806f2b290a
[  406.404817][ T6791] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f806e521eb0
[  406.412812][ T6791] RBP: 0000200000000400 R08: 00007f806e521ef0 R09: 0000000000000000
[  406.420891][ T6791] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  406.428888][ T6791] R13: 00007f806e521eb0 R14: 00000000000125bb R15: 00002000000004c0
[  406.437005][ T6791]  </TASK>
[  406.442224][ T6789] CPU: 0 PID: 6789 Comm: syz.0.499 Not tainted 5.15.180-syzkaller #0
[  406.444519][ T6791] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  406.450356][ T6789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  406.450373][ T6789] Call Trace:
[  406.450381][ T6789]  <TASK>
[  406.450390][ T6789]  dump_stack_lvl+0x1e3/0x2d0
[  406.450424][ T6789]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  406.450449][ T6789]  ? panic+0x860/0x860
[  406.463839][ T6791] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  406.473596][ T6789]  ? sysfs_create_dir_ns+0x282/0x390
[  406.473633][ T6789]  sysfs_create_dir_ns+0x2c6/0x390
[  406.473662][ T6789]  ? sysfs_warn_dup+0xa0/0xa0
[  406.473685][ T6789]  ? do_raw_spin_unlock+0x137/0x8b0
[  406.473709][ T6789]  ? kobject_set_name_vargs+0xca/0x110
[  406.473738][ T6789]  kobject_add_internal+0x6e0/0xe00
[  406.473770][ T6789]  kobject_init_and_add+0x120/0x190
[  406.473792][ T6789]  ? lockdep_softirqs_off+0x420/0x420
[  406.473813][ T6789]  ? widen_string+0x3a/0x310
[  406.473842][ T6789]  ? kobject_add+0x210/0x210
[  406.552467][ T6789]  ? __init_swait_queue_head+0xaa/0x140
[  406.558057][ T6789]  gfs2_sys_fs_add+0x237/0x4a0
[  406.563031][ T6789]  ? gfs2_recover_set+0x240/0x240
[  406.568343][ T6789]  ? snprintf+0xd6/0x120
[  406.572619][ T6789]  ? vscnprintf+0x80/0x80
[  406.576971][ T6789]  ? read_word_at_a_time+0xe/0x20
[  406.582023][ T6789]  ? strscpy+0x89/0x220
[  406.586221][ T6789]  gfs2_fill_super+0x1299/0x2750
[  406.591245][ T6789]  ? gfs2_reconfigure+0xcf0/0xcf0
[  406.596351][ T6789]  ? ptr_to_hashval+0x60/0x60
[  406.601065][ T6789]  ? up_write+0x19d/0x580
[  406.605444][ T6789]  ? set_blocksize+0x1ec/0x370
[  406.610420][ T6789]  get_tree_bdev+0x3fe/0x620
[  406.615033][ T6789]  ? gfs2_reconfigure+0xcf0/0xcf0
[  406.620093][ T6789]  gfs2_get_tree+0x50/0x210
[  406.624622][ T6789]  ? bpf_lsm_capable+0x5/0x10
[  406.629413][ T6789]  vfs_get_tree+0x88/0x270
[  406.633859][ T6789]  do_new_mount+0x2ba/0xb40
[  406.638423][ T6789]  ? do_move_mount_old+0x160/0x160
[  406.643568][ T6789]  ? user_path_at_empty+0x12b/0x180
[  406.648790][ T6789]  __se_sys_mount+0x2d5/0x3c0
[  406.653494][ T6789]  ? __x64_sys_mount+0xc0/0xc0
[  406.658375][ T6789]  ? syscall_enter_from_user_mode+0x2e/0x240
[  406.664474][ T6789]  ? lockdep_hardirqs_on+0x94/0x130
[  406.669707][ T6789]  ? __x64_sys_mount+0x1c/0xc0
[  406.674597][ T6789]  do_syscall_64+0x3b/0xb0
[  406.679126][ T6789]  ? clear_bhb_loop+0x15/0x70
[  406.683847][ T6789]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  406.689765][ T6789] RIP: 0033:0x7fc971f7e90a
[  406.694238][ T6789] 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
[  406.714176][ T6789] RSP: 002b:00007fc9711ede68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  406.722768][ T6789] RAX: ffffffffffffffda RBX: 00007fc9711edef0 RCX: 00007fc971f7e90a
[  406.730777][ T6789] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc9711edeb0
[  406.738775][ T6789] RBP: 0000200000000400 R08: 00007fc9711edef0 R09: 0000000000000000
[  406.746775][ T6789] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  406.754957][ T6789] R13: 00007fc9711edeb0 R14: 00000000000125bb R15: 00002000000004c0
[  406.762973][ T6789]  </TASK>
[  406.770383][ T6789] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  406.798088][ T6793] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  406.812170][ T6789] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  406.819196][ T6793] CPU: 1 PID: 6793 Comm: syz.4.501 Not tainted 5.15.180-syzkaller #0
[  406.827343][ T6793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  406.837471][ T6793] Call Trace:
[  406.840898][ T6793]  <TASK>
[  406.843857][ T6793]  dump_stack_lvl+0x1e3/0x2d0
[  406.849034][ T6793]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  406.854699][ T6793]  ? panic+0x860/0x860
[  406.858800][ T6793]  ? sysfs_create_dir_ns+0x282/0x390
[  406.864128][ T6793]  sysfs_create_dir_ns+0x2c6/0x390
[  406.869361][ T6793]  ? sysfs_warn_dup+0xa0/0xa0
[  406.874171][ T6793]  ? do_raw_spin_unlock+0x137/0x8b0
[  406.879413][ T6793]  ? kobject_set_name_vargs+0xca/0x110
[  406.884990][ T6793]  kobject_add_internal+0x6e0/0xe00
[  406.889926][ T6796] loop1: detected capacity change from 0 to 32768
[  406.890301][ T6793]  kobject_init_and_add+0x120/0x190
[  406.901903][ T6793]  ? lockdep_softirqs_off+0x420/0x420
[  406.907702][ T6793]  ? widen_string+0x3a/0x310
[  406.912334][ T6793]  ? kobject_add+0x210/0x210
[  406.917622][ T6793]  ? __init_swait_queue_head+0xaa/0x140
[  406.923201][ T6793]  gfs2_sys_fs_add+0x237/0x4a0
[  406.928097][ T6793]  ? gfs2_recover_set+0x240/0x240
[  406.933158][ T6793]  ? snprintf+0xd6/0x120
[  406.937507][ T6793]  ? vscnprintf+0x80/0x80
[  406.941861][ T6793]  ? read_word_at_a_time+0xe/0x20
[  406.946892][ T6793]  ? strscpy+0x89/0x220
[  406.951060][ T6793]  gfs2_fill_super+0x1299/0x2750
[  406.956026][ T6793]  ? gfs2_reconfigure+0xcf0/0xcf0
[  406.961077][ T6793]  ? ptr_to_hashval+0x60/0x60
[  406.965767][ T6793]  ? up_write+0x19d/0x580
[  406.970129][ T6793]  ? set_blocksize+0x1ec/0x370
[  406.974904][ T6793]  get_tree_bdev+0x3fe/0x620
[  406.979625][ T6793]  ? gfs2_reconfigure+0xcf0/0xcf0
[  406.984663][ T6793]  gfs2_get_tree+0x50/0x210
[  406.989230][ T6793]  ? bpf_lsm_capable+0x5/0x10
[  406.993956][ T6793]  vfs_get_tree+0x88/0x270
[  406.998395][ T6793]  do_new_mount+0x2ba/0xb40
[  407.002898][ T6793]  ? do_move_mount_old+0x160/0x160
[  407.008017][ T6793]  ? user_path_at_empty+0x12b/0x180
[  407.013256][ T6793]  __se_sys_mount+0x2d5/0x3c0
[  407.017949][ T6793]  ? __x64_sys_mount+0xc0/0xc0
[  407.022733][ T6793]  ? syscall_enter_from_user_mode+0x2e/0x240
[  407.028716][ T6793]  ? lockdep_hardirqs_on+0x94/0x130
[  407.033922][ T6793]  ? __x64_sys_mount+0x1c/0xc0
[  407.038704][ T6793]  do_syscall_64+0x3b/0xb0
[  407.043130][ T6793]  ? clear_bhb_loop+0x15/0x70
[  407.047819][ T6793]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  407.053722][ T6793] RIP: 0033:0x7f79bbc9990a
[  407.058142][ T6793] 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
[  407.077830][ T6793] RSP: 002b:00007f79baf08e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  407.086255][ T6793] RAX: ffffffffffffffda RBX: 00007f79baf08ef0 RCX: 00007f79bbc9990a
[  407.094247][ T6793] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f79baf08eb0
[  407.102220][ T6793] RBP: 0000200000000400 R08: 00007f79baf08ef0 R09: 0000000000000000
[  407.110184][ T6793] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  407.118171][ T6793] R13: 00007f79baf08eb0 R14: 00000000000125bb R15: 00002000000004c0
[  407.126292][ T6793]  </TASK>
[  407.133444][ T6793] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  407.165251][ T6793] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  407.172828][ T6796] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  407.215002][ T6796] CPU: 1 PID: 6796 Comm: syz.1.502 Not tainted 5.15.180-syzkaller #0
[  407.223249][ T6796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  407.233890][ T6796] Call Trace:
[  407.237495][ T6796]  <TASK>
[  407.240457][ T6796]  dump_stack_lvl+0x1e3/0x2d0
[  407.245282][ T6796]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  407.250953][ T6796]  ? panic+0x860/0x860
[  407.255058][ T6796]  ? sysfs_create_dir_ns+0x282/0x390
[  407.260583][ T6796]  sysfs_create_dir_ns+0x2c6/0x390
[  407.265726][ T6796]  ? sysfs_warn_dup+0xa0/0xa0
[  407.270565][ T6796]  ? do_raw_spin_unlock+0x137/0x8b0
[  407.275797][ T6796]  ? kobject_set_name_vargs+0xca/0x110
[  407.281463][ T6796]  kobject_add_internal+0x6e0/0xe00
[  407.286693][ T6796]  kobject_init_and_add+0x120/0x190
[  407.292084][ T6796]  ? lockdep_softirqs_off+0x420/0x420
[  407.297475][ T6796]  ? widen_string+0x3a/0x310
[  407.302236][ T6796]  ? kobject_add+0x210/0x210
[  407.306853][ T6796]  ? __init_swait_queue_head+0xaa/0x140
[  407.312438][ T6796]  gfs2_sys_fs_add+0x237/0x4a0
[  407.317226][ T6796]  ? gfs2_recover_set+0x240/0x240
[  407.322290][ T6796]  ? snprintf+0xd6/0x120
[  407.326788][ T6796]  ? vscnprintf+0x80/0x80
[  407.331160][ T6796]  ? read_word_at_a_time+0xe/0x20
[  407.336254][ T6796]  ? strscpy+0x89/0x220
[  407.340448][ T6796]  gfs2_fill_super+0x1299/0x2750
[  407.345448][ T6796]  ? gfs2_reconfigure+0xcf0/0xcf0
[  407.350586][ T6796]  ? ptr_to_hashval+0x60/0x60
[  407.355420][ T6796]  ? up_write+0x19d/0x580
[  407.359915][ T6796]  ? set_blocksize+0x1ec/0x370
[  407.364810][ T6796]  get_tree_bdev+0x3fe/0x620
[  407.369437][ T6796]  ? gfs2_reconfigure+0xcf0/0xcf0
[  407.374500][ T6796]  gfs2_get_tree+0x50/0x210
[  407.379038][ T6796]  ? bpf_lsm_capable+0x5/0x10
[  407.383753][ T6796]  vfs_get_tree+0x88/0x270
[  407.388207][ T6796]  do_new_mount+0x2ba/0xb40
[  407.392756][ T6796]  ? do_move_mount_old+0x160/0x160
[  407.397907][ T6796]  ? user_path_at_empty+0x12b/0x180
[  407.403128][ T6796]  __se_sys_mount+0x2d5/0x3c0
[  407.407827][ T6796]  ? __x64_sys_mount+0xc0/0xc0
[  407.412628][ T6796]  ? syscall_enter_from_user_mode+0x2e/0x240
[  407.418757][ T6796]  ? lockdep_hardirqs_on+0x94/0x130
[  407.424097][ T6796]  ? __x64_sys_mount+0x1c/0xc0
[  407.428893][ T6796]  do_syscall_64+0x3b/0xb0
[  407.433441][ T6796]  ? clear_bhb_loop+0x15/0x70
[  407.438144][ T6796]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  407.444075][ T6796] RIP: 0033:0x7f05712b490a
[  407.448531][ T6796] 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
[  407.468175][ T6796] RSP: 002b:00007f0570502e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  407.476664][ T6796] RAX: ffffffffffffffda RBX: 00007f0570502ef0 RCX: 00007f05712b490a
[  407.484660][ T6796] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0570502eb0
[  407.492655][ T6796] RBP: 0000200000000400 R08: 00007f0570502ef0 R09: 0000000000000000
[  407.500653][ T6796] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  407.508647][ T6796] R13: 00007f0570502eb0 R14: 00000000000125bb R15: 00002000000004c0
[  407.516657][ T6796]  </TASK>
[  407.526436][ T6796] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  407.539975][ T6796] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  408.583770][ T6798] loop0: detected capacity change from 0 to 32768
[  408.651778][ T6800] loop2: detected capacity change from 0 to 32768
[  408.682060][ T6798] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  408.708300][ T6800] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  408.724879][ T6798] CPU: 1 PID: 6798 Comm: syz.0.503 Not tainted 5.15.180-syzkaller #0
[  408.733215][ T6798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  408.743299][ T6798] Call Trace:
[  408.746601][ T6798]  <TASK>
[  408.749557][ T6798]  dump_stack_lvl+0x1e3/0x2d0
[  408.754281][ T6798]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  408.759957][ T6798]  ? panic+0x860/0x860
[  408.764094][ T6798]  ? sysfs_create_dir_ns+0x282/0x390
[  408.769464][ T6798]  sysfs_create_dir_ns+0x2c6/0x390
[  408.774866][ T6798]  ? sysfs_warn_dup+0xa0/0xa0
[  408.779581][ T6798]  ? do_raw_spin_unlock+0x137/0x8b0
[  408.784999][ T6798]  ? kobject_set_name_vargs+0xca/0x110
[  408.790507][ T6798]  kobject_add_internal+0x6e0/0xe00
[  408.795837][ T6798]  kobject_init_and_add+0x120/0x190
[  408.801077][ T6798]  ? lockdep_softirqs_off+0x420/0x420
[  408.806474][ T6798]  ? widen_string+0x3a/0x310
[  408.811131][ T6798]  ? kobject_add+0x210/0x210
[  408.815751][ T6798]  ? __init_swait_queue_head+0xaa/0x140
[  408.821320][ T6798]  gfs2_sys_fs_add+0x237/0x4a0
[  408.826109][ T6798]  ? gfs2_recover_set+0x240/0x240
[  408.831250][ T6798]  ? snprintf+0xd6/0x120
[  408.835519][ T6798]  ? vscnprintf+0x80/0x80
[  408.839879][ T6798]  ? read_word_at_a_time+0xe/0x20
[  408.844920][ T6798]  ? strscpy+0x89/0x220
[  408.849104][ T6798]  gfs2_fill_super+0x1299/0x2750
[  408.854111][ T6798]  ? gfs2_reconfigure+0xcf0/0xcf0
[  408.859163][ T6798]  ? ptr_to_hashval+0x60/0x60
[  408.863956][ T6798]  ? up_write+0x19d/0x580
[  408.868319][ T6798]  ? set_blocksize+0x1ec/0x370
[  408.873109][ T6798]  get_tree_bdev+0x3fe/0x620
[  408.877727][ T6798]  ? gfs2_reconfigure+0xcf0/0xcf0
[  408.878328][ T6802] loop5: detected capacity change from 0 to 32768
[  408.882773][ T6798]  gfs2_get_tree+0x50/0x210
[  408.893756][ T6798]  ? bpf_lsm_capable+0x5/0x10
[  408.898543][ T6798]  vfs_get_tree+0x88/0x270
[  408.903060][ T6798]  do_new_mount+0x2ba/0xb40
[  408.907585][ T6798]  ? do_move_mount_old+0x160/0x160
[  408.912718][ T6798]  ? user_path_at_empty+0x12b/0x180
[  408.917933][ T6798]  __se_sys_mount+0x2d5/0x3c0
[  408.922631][ T6798]  ? __x64_sys_mount+0xc0/0xc0
[  408.927413][ T6798]  ? syscall_enter_from_user_mode+0x2e/0x240
[  408.933404][ T6798]  ? lockdep_hardirqs_on+0x94/0x130
[  408.938643][ T6798]  ? __x64_sys_mount+0x1c/0xc0
[  408.943436][ T6798]  do_syscall_64+0x3b/0xb0
[  408.948118][ T6798]  ? clear_bhb_loop+0x15/0x70
[  408.952826][ T6798]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  408.958761][ T6798] RIP: 0033:0x7fc971f7e90a
[  408.963218][ T6798] 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
[  408.982948][ T6798] RSP: 002b:00007fc9711ede68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  408.991394][ T6798] RAX: ffffffffffffffda RBX: 00007fc9711edef0 RCX: 00007fc971f7e90a
[  408.999389][ T6798] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc9711edeb0
[  409.007369][ T6798] RBP: 0000200000000400 R08: 00007fc9711edef0 R09: 0000000000000000
[  409.015367][ T6798] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  409.023791][ T6798] R13: 00007fc9711edeb0 R14: 00000000000125bb R15: 00002000000004c0
[  409.031881][ T6798]  </TASK>
[  409.051880][ T6800] CPU: 0 PID: 6800 Comm: syz.2.504 Not tainted 5.15.180-syzkaller #0
[  409.060126][ T6800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  409.070295][ T6800] Call Trace:
[  409.073595][ T6800]  <TASK>
[  409.076542][ T6800]  dump_stack_lvl+0x1e3/0x2d0
[  409.081248][ T6800]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  409.086904][ T6800]  ? panic+0x860/0x860
[  409.091003][ T6800]  ? sysfs_create_dir_ns+0x282/0x390
[  409.092753][ T6804] loop4: detected capacity change from 0 to 32768
[  409.096329][ T6800]  sysfs_create_dir_ns+0x2c6/0x390
[  409.096360][ T6800]  ? sysfs_warn_dup+0xa0/0xa0
[  409.096385][ T6800]  ? do_raw_spin_unlock+0x137/0x8b0
[  409.096411][ T6800]  ? kobject_set_name_vargs+0xca/0x110
[  409.096437][ T6800]  kobject_add_internal+0x6e0/0xe00
[  409.096468][ T6800]  kobject_init_and_add+0x120/0x190
[  409.106772][ T6798] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  409.107970][ T6800]  ? lockdep_softirqs_off+0x420/0x420
[  409.112638][ T6798] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  409.117816][ T6800]  ? widen_string+0x3a/0x310
[  409.117844][ T6800]  ? kobject_add+0x210/0x210
[  409.117871][ T6800]  ? __init_swait_queue_head+0xaa/0x140
[  409.117898][ T6800]  gfs2_sys_fs_add+0x237/0x4a0
[  409.117923][ T6800]  ? gfs2_recover_set+0x240/0x240
[  409.117946][ T6800]  ? snprintf+0xd6/0x120
[  409.117981][ T6800]  ? vscnprintf+0x80/0x80
[  409.155290][ T6806] loop1: detected capacity change from 0 to 32768
[  409.158983][ T6800]  ? read_word_at_a_time+0xe/0x20
[  409.203858][ T6800]  ? strscpy+0x89/0x220
[  409.208026][ T6800]  gfs2_fill_super+0x1299/0x2750
[  409.213007][ T6800]  ? gfs2_reconfigure+0xcf0/0xcf0
[  409.218069][ T6800]  ? ptr_to_hashval+0x60/0x60
[  409.222757][ T6800]  ? up_write+0x19d/0x580
[  409.227231][ T6800]  ? set_blocksize+0x1ec/0x370
[  409.232057][ T6800]  get_tree_bdev+0x3fe/0x620
[  409.236826][ T6800]  ? gfs2_reconfigure+0xcf0/0xcf0
[  409.241959][ T6800]  gfs2_get_tree+0x50/0x210
[  409.246491][ T6800]  ? bpf_lsm_capable+0x5/0x10
[  409.251360][ T6800]  vfs_get_tree+0x88/0x270
[  409.256137][ T6800]  do_new_mount+0x2ba/0xb40
[  409.260871][ T6800]  ? do_move_mount_old+0x160/0x160
[  409.266004][ T6800]  ? user_path_at_empty+0x12b/0x180
[  409.271212][ T6800]  __se_sys_mount+0x2d5/0x3c0
[  409.275959][ T6800]  ? __x64_sys_mount+0xc0/0xc0
[  409.280757][ T6800]  ? syscall_enter_from_user_mode+0x2e/0x240
[  409.286749][ T6800]  ? lockdep_hardirqs_on+0x94/0x130
[  409.291958][ T6800]  ? __x64_sys_mount+0x1c/0xc0
[  409.296724][ T6800]  do_syscall_64+0x3b/0xb0
[  409.301143][ T6800]  ? clear_bhb_loop+0x15/0x70
[  409.305818][ T6800]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  409.311725][ T6800] RIP: 0033:0x7fce8a7b190a
[  409.316150][ T6800] 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
[  409.335751][ T6800] RSP: 002b:00007fce89a20e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  409.344175][ T6800] RAX: ffffffffffffffda RBX: 00007fce89a20ef0 RCX: 00007fce8a7b190a
[  409.352150][ T6800] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fce89a20eb0
[  409.360121][ T6800] RBP: 0000200000000400 R08: 00007fce89a20ef0 R09: 0000000000000000
[  409.368091][ T6800] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  409.376065][ T6800] R13: 00007fce89a20eb0 R14: 00000000000125bb R15: 00002000000004c0
[  409.384064][ T6800]  </TASK>
[  409.390359][ T6800] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  409.403770][ T6800] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  409.419050][ T6802] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  409.429236][ T6802] CPU: 0 PID: 6802 Comm: syz.5.505 Not tainted 5.15.180-syzkaller #0
[  409.437345][ T6804] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  409.437353][ T6802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  409.437368][ T6802] Call Trace:
[  409.437376][ T6802]  <TASK>
[  409.445092][ T6806] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  409.454780][ T6802]  dump_stack_lvl+0x1e3/0x2d0
[  409.454816][ T6802]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  409.454842][ T6802]  ? panic+0x860/0x860
[  409.454867][ T6802]  ? sysfs_create_dir_ns+0x282/0x390
[  409.488444][ T6802]  sysfs_create_dir_ns+0x2c6/0x390
[  409.493582][ T6802]  ? sysfs_warn_dup+0xa0/0xa0
[  409.498277][ T6802]  ? do_raw_spin_unlock+0x137/0x8b0
[  409.503532][ T6802]  ? kobject_set_name_vargs+0xca/0x110
[  409.509027][ T6802]  kobject_add_internal+0x6e0/0xe00
[  409.514269][ T6802]  kobject_init_and_add+0x120/0x190
[  409.519494][ T6802]  ? lockdep_softirqs_off+0x420/0x420
[  409.524879][ T6802]  ? widen_string+0x3a/0x310
[  409.529497][ T6802]  ? kobject_add+0x210/0x210
[  409.534125][ T6802]  ? __init_swait_queue_head+0xaa/0x140
[  409.539706][ T6802]  gfs2_sys_fs_add+0x237/0x4a0
[  409.544493][ T6802]  ? gfs2_recover_set+0x240/0x240
[  409.549527][ T6802]  ? snprintf+0xd6/0x120
[  409.553786][ T6802]  ? vscnprintf+0x80/0x80
[  409.558231][ T6802]  ? read_word_at_a_time+0xe/0x20
[  409.563405][ T6802]  ? strscpy+0x89/0x220
[  409.567771][ T6802]  gfs2_fill_super+0x1299/0x2750
[  409.572767][ T6802]  ? gfs2_reconfigure+0xcf0/0xcf0
[  409.577828][ T6802]  ? ptr_to_hashval+0x60/0x60
[  409.582629][ T6802]  ? up_write+0x19d/0x580
[  409.587244][ T6802]  ? set_blocksize+0x1ec/0x370
[  409.592052][ T6802]  get_tree_bdev+0x3fe/0x620
[  409.596701][ T6802]  ? gfs2_reconfigure+0xcf0/0xcf0
[  409.601775][ T6802]  gfs2_get_tree+0x50/0x210
[  409.606300][ T6802]  ? bpf_lsm_capable+0x5/0x10
[  409.611004][ T6802]  vfs_get_tree+0x88/0x270
[  409.615447][ T6802]  do_new_mount+0x2ba/0xb40
[  409.620014][ T6802]  ? do_move_mount_old+0x160/0x160
[  409.625153][ T6802]  ? user_path_at_empty+0x12b/0x180
[  409.630377][ T6802]  __se_sys_mount+0x2d5/0x3c0
[  409.635085][ T6802]  ? __x64_sys_mount+0xc0/0xc0
[  409.639866][ T6802]  ? syscall_enter_from_user_mode+0x2e/0x240
[  409.645907][ T6802]  ? lockdep_hardirqs_on+0x94/0x130
[  409.651134][ T6802]  ? __x64_sys_mount+0x1c/0xc0
[  409.655932][ T6802]  do_syscall_64+0x3b/0xb0
[  409.660361][ T6802]  ? clear_bhb_loop+0x15/0x70
[  409.665141][ T6802]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  409.671109][ T6802] RIP: 0033:0x7f806f2b290a
[  409.675731][ T6802] 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
[  409.695389][ T6802] RSP: 002b:00007f806e521e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  409.703948][ T6802] RAX: ffffffffffffffda RBX: 00007f806e521ef0 RCX: 00007f806f2b290a
[  409.711934][ T6802] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f806e521eb0
[  409.720033][ T6802] RBP: 0000200000000400 R08: 00007f806e521ef0 R09: 0000000000000000
[  409.728041][ T6802] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  409.736058][ T6802] R13: 00007f806e521eb0 R14: 00000000000125bb R15: 00002000000004c0
[  409.744097][ T6802]  </TASK>
[  409.751266][ T6804] CPU: 1 PID: 6804 Comm: syz.4.506 Not tainted 5.15.180-syzkaller #0
[  409.759470][ T6804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  409.769564][ T6804] Call Trace:
[  409.772882][ T6804]  <TASK>
[  409.776109][ T6804]  dump_stack_lvl+0x1e3/0x2d0
[  409.781011][ T6802] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  409.781012][ T6804]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  409.800023][ T6804]  ? panic+0x860/0x860
[  409.800846][ T6802] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  409.804713][ T6804]  ? sysfs_create_dir_ns+0x282/0x390
[  409.804749][ T6804]  sysfs_create_dir_ns+0x2c6/0x390
[  409.804779][ T6804]  ? sysfs_warn_dup+0xa0/0xa0
[  409.826358][ T6804]  ? do_raw_spin_unlock+0x137/0x8b0
[  409.831589][ T6804]  ? kobject_set_name_vargs+0xca/0x110
[  409.837058][ T6804]  kobject_add_internal+0x6e0/0xe00
[  409.842308][ T6804]  kobject_init_and_add+0x120/0x190
[  409.847512][ T6804]  ? lockdep_softirqs_off+0x420/0x420
[  409.852896][ T6804]  ? widen_string+0x3a/0x310
[  409.857614][ T6804]  ? kobject_add+0x210/0x210
[  409.862562][ T6804]  ? __init_swait_queue_head+0xaa/0x140
[  409.868122][ T6804]  gfs2_sys_fs_add+0x237/0x4a0
[  409.872895][ T6804]  ? gfs2_recover_set+0x240/0x240
[  409.877944][ T6804]  ? snprintf+0xd6/0x120
[  409.882201][ T6804]  ? vscnprintf+0x80/0x80
[  409.886538][ T6804]  ? read_word_at_a_time+0xe/0x20
[  409.891565][ T6804]  ? strscpy+0x89/0x220
[  409.895816][ T6804]  gfs2_fill_super+0x1299/0x2750
[  409.900814][ T6804]  ? gfs2_reconfigure+0xcf0/0xcf0
[  409.906035][ T6804]  ? ptr_to_hashval+0x60/0x60
[  409.910721][ T6804]  ? up_write+0x19d/0x580
[  409.915072][ T6804]  ? set_blocksize+0x1ec/0x370
[  409.919849][ T6804]  get_tree_bdev+0x3fe/0x620
[  409.924463][ T6804]  ? gfs2_reconfigure+0xcf0/0xcf0
[  409.929711][ T6804]  gfs2_get_tree+0x50/0x210
[  409.934228][ T6804]  ? bpf_lsm_capable+0x5/0x10
[  409.939534][ T6804]  vfs_get_tree+0x88/0x270
[  409.944093][ T6804]  do_new_mount+0x2ba/0xb40
[  409.948625][ T6804]  ? do_move_mount_old+0x160/0x160
[  409.953762][ T6804]  ? user_path_at_empty+0x12b/0x180
[  409.959152][ T6804]  __se_sys_mount+0x2d5/0x3c0
[  409.963842][ T6804]  ? __x64_sys_mount+0xc0/0xc0
[  409.968612][ T6804]  ? syscall_enter_from_user_mode+0x2e/0x240
[  409.974684][ T6804]  ? lockdep_hardirqs_on+0x94/0x130
[  409.979897][ T6804]  ? __x64_sys_mount+0x1c/0xc0
[  409.984692][ T6804]  do_syscall_64+0x3b/0xb0
[  409.989153][ T6804]  ? clear_bhb_loop+0x15/0x70
[  409.993838][ T6804]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  409.999918][ T6804] RIP: 0033:0x7f79bbc9990a
[  410.004361][ T6804] 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
[  410.023980][ T6804] RSP: 002b:00007f79baf08e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  410.032434][ T6804] RAX: ffffffffffffffda RBX: 00007f79baf08ef0 RCX: 00007f79bbc9990a
[  410.040437][ T6804] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f79baf08eb0
[  410.048416][ T6804] RBP: 0000200000000400 R08: 00007f79baf08ef0 R09: 0000000000000000
[  410.056406][ T6804] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  410.064513][ T6804] R13: 00007f79baf08eb0 R14: 00000000000125bb R15: 00002000000004c0
[  410.072706][ T6804]  </TASK>
[  410.075764][ T6806] CPU: 0 PID: 6806 Comm: syz.1.507 Not tainted 5.15.180-syzkaller #0
[  410.084075][ T6806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  410.085261][ T6804] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  410.094325][ T6806] Call Trace:
[  410.094335][ T6806]  <TASK>
[  410.094344][ T6806]  dump_stack_lvl+0x1e3/0x2d0
[  410.112227][ T6804] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  410.113861][ T6806]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  410.130665][ T6806]  ? panic+0x860/0x860
[  410.134747][ T6806]  ? sysfs_create_dir_ns+0x282/0x390
[  410.140047][ T6806]  sysfs_create_dir_ns+0x2c6/0x390
[  410.145174][ T6806]  ? sysfs_warn_dup+0xa0/0xa0
[  410.149950][ T6806]  ? do_raw_spin_unlock+0x137/0x8b0
[  410.155331][ T6806]  ? kobject_set_name_vargs+0xca/0x110
[  410.160834][ T6806]  kobject_add_internal+0x6e0/0xe00
[  410.166111][ T6806]  kobject_init_and_add+0x120/0x190
[  410.171387][ T6806]  ? lockdep_softirqs_off+0x420/0x420
[  410.176789][ T6806]  ? widen_string+0x3a/0x310
[  410.181407][ T6806]  ? kobject_add+0x210/0x210
[  410.186045][ T6806]  ? __init_swait_queue_head+0xaa/0x140
[  410.191614][ T6806]  gfs2_sys_fs_add+0x237/0x4a0
[  410.196381][ T6806]  ? gfs2_recover_set+0x240/0x240
[  410.201424][ T6806]  ? snprintf+0xd6/0x120
[  410.205686][ T6806]  ? vscnprintf+0x80/0x80
[  410.210042][ T6806]  ? read_word_at_a_time+0xe/0x20
[  410.215101][ T6806]  ? strscpy+0x89/0x220
[  410.219278][ T6806]  gfs2_fill_super+0x1299/0x2750
[  410.224245][ T6806]  ? gfs2_reconfigure+0xcf0/0xcf0
[  410.229271][ T6806]  ? ptr_to_hashval+0x60/0x60
[  410.233951][ T6806]  ? up_write+0x19d/0x580
[  410.238323][ T6806]  ? set_blocksize+0x1ec/0x370
[  410.243097][ T6806]  get_tree_bdev+0x3fe/0x620
[  410.247693][ T6806]  ? gfs2_reconfigure+0xcf0/0xcf0
[  410.252768][ T6806]  gfs2_get_tree+0x50/0x210
[  410.257388][ T6806]  ? bpf_lsm_capable+0x5/0x10
[  410.262645][ T6806]  vfs_get_tree+0x88/0x270
[  410.267195][ T6806]  do_new_mount+0x2ba/0xb40
[  410.271751][ T6806]  ? do_move_mount_old+0x160/0x160
[  410.276981][ T6806]  ? user_path_at_empty+0x12b/0x180
[  410.282192][ T6806]  __se_sys_mount+0x2d5/0x3c0
[  410.286936][ T6806]  ? __x64_sys_mount+0xc0/0xc0
[  410.291733][ T6806]  ? syscall_enter_from_user_mode+0x2e/0x240
[  410.297737][ T6806]  ? lockdep_hardirqs_on+0x94/0x130
[  410.302954][ T6806]  ? __x64_sys_mount+0x1c/0xc0
[  410.307729][ T6806]  do_syscall_64+0x3b/0xb0
[  410.312213][ T6806]  ? clear_bhb_loop+0x15/0x70
[  410.316910][ T6806]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  410.322821][ T6806] RIP: 0033:0x7f05712b490a
[  410.327245][ T6806] 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
[  410.346961][ T6806] RSP: 002b:00007f0570523e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  410.355410][ T6806] RAX: ffffffffffffffda RBX: 00007f0570523ef0 RCX: 00007f05712b490a
[  410.363407][ T6806] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0570523eb0
[  410.371399][ T6806] RBP: 0000200000000400 R08: 00007f0570523ef0 R09: 0000000000000000
[  410.379385][ T6806] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  410.387367][ T6806] R13: 00007f0570523eb0 R14: 00000000000125bb R15: 00002000000004c0
[  410.395367][ T6806]  </TASK>
[  410.401983][ T6806] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  410.416541][ T6806] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/04/13 17:11:43 executed programs: 502
[  411.735763][ T6808] loop0: detected capacity change from 0 to 32768
[  411.811508][ T6808] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  411.848191][ T6808] CPU: 0 PID: 6808 Comm: syz.0.508 Not tainted 5.15.180-syzkaller #0
[  411.856324][ T6808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  411.866417][ T6808] Call Trace:
[  411.869716][ T6808]  <TASK>
[  411.872678][ T6808]  dump_stack_lvl+0x1e3/0x2d0
[  411.877399][ T6808]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  411.883072][ T6808]  ? panic+0x860/0x860
[  411.887244][ T6808]  ? sysfs_create_dir_ns+0x282/0x390
[  411.892560][ T6808]  sysfs_create_dir_ns+0x2c6/0x390
[  411.897705][ T6812] loop2: detected capacity change from 0 to 32768
[  411.897700][ T6808]  ? sysfs_warn_dup+0xa0/0xa0
[  411.897732][ T6808]  ? do_raw_spin_unlock+0x137/0x8b0
[  411.912852][ T6815] loop5: detected capacity change from 0 to 32768
[  411.914301][ T6808]  ? kobject_set_name_vargs+0xca/0x110
[  411.926258][ T6808]  kobject_add_internal+0x6e0/0xe00
[  411.931498][ T6808]  kobject_init_and_add+0x120/0x190
[  411.936818][ T6808]  ? lockdep_softirqs_off+0x420/0x420
[  411.942266][ T6808]  ? widen_string+0x3a/0x310
[  411.947072][ T6808]  ? kobject_add+0x210/0x210
[  411.951709][ T6808]  ? __init_swait_queue_head+0xaa/0x140
[  411.957306][ T6808]  gfs2_sys_fs_add+0x237/0x4a0
[  411.960770][ T6816] loop1: detected capacity change from 0 to 32768
[  411.962185][ T6808]  ? gfs2_recover_set+0x240/0x240
[  411.962215][ T6808]  ? snprintf+0xd6/0x120
[  411.962246][ T6808]  ? vscnprintf+0x80/0x80
[  411.982334][ T6808]  ? read_word_at_a_time+0xe/0x20
[  411.987473][ T6808]  ? strscpy+0x89/0x220
[  411.991666][ T6808]  gfs2_fill_super+0x1299/0x2750
[  411.996652][ T6808]  ? gfs2_reconfigure+0xcf0/0xcf0
[  412.001703][ T6808]  ? ptr_to_hashval+0x60/0x60
[  412.004398][ T6810] loop4: detected capacity change from 0 to 32768
[  412.006425][ T6808]  ? up_write+0x19d/0x580
[  412.006471][ T6808]  ? set_blocksize+0x1ec/0x370
[  412.006505][ T6808]  get_tree_bdev+0x3fe/0x620
[  412.006531][ T6808]  ? gfs2_reconfigure+0xcf0/0xcf0
[  412.031837][ T6808]  gfs2_get_tree+0x50/0x210
[  412.036351][ T6808]  ? bpf_lsm_capable+0x5/0x10
[  412.041141][ T6808]  vfs_get_tree+0x88/0x270
[  412.045579][ T6808]  do_new_mount+0x2ba/0xb40
[  412.050089][ T6808]  ? do_move_mount_old+0x160/0x160
[  412.055210][ T6808]  ? user_path_at_empty+0x12b/0x180
[  412.060425][ T6808]  __se_sys_mount+0x2d5/0x3c0
[  412.065291][ T6808]  ? __x64_sys_mount+0xc0/0xc0
[  412.070092][ T6808]  ? syscall_enter_from_user_mode+0x2e/0x240
[  412.076248][ T6808]  ? lockdep_hardirqs_on+0x94/0x130
[  412.081524][ T6808]  ? __x64_sys_mount+0x1c/0xc0
[  412.086310][ T6808]  do_syscall_64+0x3b/0xb0
[  412.090766][ T6808]  ? clear_bhb_loop+0x15/0x70
[  412.095476][ T6808]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  412.101393][ T6808] RIP: 0033:0x7fc971f7e90a
[  412.105835][ T6808] 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
[  412.125661][ T6808] RSP: 002b:00007fc9711ede68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  412.134106][ T6808] RAX: ffffffffffffffda RBX: 00007fc9711edef0 RCX: 00007fc971f7e90a
[  412.142087][ T6808] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc9711edeb0
[  412.150085][ T6808] RBP: 0000200000000400 R08: 00007fc9711edef0 R09: 0000000000000000
[  412.158071][ T6808] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  412.166072][ T6808] R13: 00007fc9711edeb0 R14: 00000000000125bb R15: 00002000000004c0
[  412.174334][ T6808]  </TASK>
[  412.180920][ T6808] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  412.194632][ T6808] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  412.214094][ T6815] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  412.225627][ T6810] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  412.233241][ T6812] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  412.235817][ T6815] CPU: 0 PID: 6815 Comm: syz.5.511 Not tainted 5.15.180-syzkaller #0
[  412.242044][ T6816] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  412.249041][ T6815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  412.249060][ T6815] Call Trace:
[  412.249069][ T6815]  <TASK>
[  412.249079][ T6815]  dump_stack_lvl+0x1e3/0x2d0
[  412.249115][ T6815]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  412.249140][ T6815]  ? panic+0x860/0x860
[  412.249164][ T6815]  ? sysfs_create_dir_ns+0x282/0x390
[  412.249194][ T6815]  sysfs_create_dir_ns+0x2c6/0x390
[  412.249222][ T6815]  ? sysfs_warn_dup+0xa0/0xa0
[  412.249247][ T6815]  ? do_raw_spin_unlock+0x137/0x8b0
[  412.249274][ T6815]  ? kobject_set_name_vargs+0xca/0x110
[  412.249302][ T6815]  kobject_add_internal+0x6e0/0xe00
[  412.319738][ T6815]  kobject_init_and_add+0x120/0x190
[  412.325059][ T6815]  ? lockdep_softirqs_off+0x420/0x420
[  412.330631][ T6815]  ? widen_string+0x3a/0x310
[  412.335264][ T6815]  ? kobject_add+0x210/0x210
[  412.339892][ T6815]  ? __init_swait_queue_head+0xaa/0x140
[  412.345474][ T6815]  gfs2_sys_fs_add+0x237/0x4a0
[  412.350279][ T6815]  ? gfs2_recover_set+0x240/0x240
[  412.355338][ T6815]  ? snprintf+0xd6/0x120
[  412.359672][ T6815]  ? vscnprintf+0x80/0x80
[  412.364328][ T6815]  ? read_word_at_a_time+0xe/0x20
[  412.369379][ T6815]  ? strscpy+0x89/0x220
[  412.373649][ T6815]  gfs2_fill_super+0x1299/0x2750
[  412.378628][ T6815]  ? gfs2_reconfigure+0xcf0/0xcf0
[  412.383684][ T6815]  ? ptr_to_hashval+0x60/0x60
[  412.388500][ T6815]  ? up_write+0x19d/0x580
[  412.392869][ T6815]  ? set_blocksize+0x1ec/0x370
[  412.397669][ T6815]  get_tree_bdev+0x3fe/0x620
[  412.402281][ T6815]  ? gfs2_reconfigure+0xcf0/0xcf0
[  412.407321][ T6815]  gfs2_get_tree+0x50/0x210
[  412.411845][ T6815]  ? bpf_lsm_capable+0x5/0x10
[  412.416536][ T6815]  vfs_get_tree+0x88/0x270
[  412.420972][ T6815]  do_new_mount+0x2ba/0xb40
[  412.425487][ T6815]  ? do_move_mount_old+0x160/0x160
[  412.430609][ T6815]  ? user_path_at_empty+0x12b/0x180
[  412.435925][ T6815]  __se_sys_mount+0x2d5/0x3c0
[  412.440614][ T6815]  ? __x64_sys_mount+0xc0/0xc0
[  412.445474][ T6815]  ? syscall_enter_from_user_mode+0x2e/0x240
[  412.451468][ T6815]  ? lockdep_hardirqs_on+0x94/0x130
[  412.456690][ T6815]  ? __x64_sys_mount+0x1c/0xc0
[  412.461470][ T6815]  do_syscall_64+0x3b/0xb0
[  412.465893][ T6815]  ? clear_bhb_loop+0x15/0x70
[  412.470585][ T6815]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  412.476887][ T6815] RIP: 0033:0x7f806f2b290a
[  412.481529][ T6815] 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
[  412.501646][ T6815] RSP: 002b:00007f806e521e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  412.510195][ T6815] RAX: ffffffffffffffda RBX: 00007f806e521ef0 RCX: 00007f806f2b290a
[  412.518298][ T6815] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f806e521eb0
[  412.526292][ T6815] RBP: 0000200000000400 R08: 00007f806e521ef0 R09: 0000000000000000
[  412.534275][ T6815] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  412.542266][ T6815] R13: 00007f806e521eb0 R14: 00000000000125bb R15: 00002000000004c0
[  412.550370][ T6815]  </TASK>
[  412.553418][ T6810] CPU: 1 PID: 6810 Comm: syz.4.509 Not tainted 5.15.180-syzkaller #0
[  412.561754][ T6810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  412.565181][ T6815] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  412.571946][ T6810] Call Trace:
[  412.571957][ T6810]  <TASK>
[  412.571966][ T6810]  dump_stack_lvl+0x1e3/0x2d0
[  412.585196][ T6815] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  412.588352][ T6810]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  412.608474][ T6810]  ? panic+0x860/0x860
[  412.612612][ T6810]  ? sysfs_create_dir_ns+0x282/0x390
[  412.618039][ T6810]  sysfs_create_dir_ns+0x2c6/0x390
[  412.623224][ T6810]  ? sysfs_warn_dup+0xa0/0xa0
[  412.627928][ T6810]  ? do_raw_spin_unlock+0x137/0x8b0
[  412.633142][ T6810]  ? kobject_set_name_vargs+0xca/0x110
[  412.638614][ T6810]  kobject_add_internal+0x6e0/0xe00
[  412.643839][ T6810]  kobject_init_and_add+0x120/0x190
[  412.649063][ T6810]  ? lockdep_softirqs_off+0x420/0x420
[  412.654454][ T6810]  ? widen_string+0x3a/0x310
[  412.659059][ T6810]  ? kobject_add+0x210/0x210
[  412.663677][ T6810]  ? __init_swait_queue_head+0xaa/0x140
[  412.669346][ T6810]  gfs2_sys_fs_add+0x237/0x4a0
[  412.674134][ T6810]  ? gfs2_recover_set+0x240/0x240
[  412.679185][ T6810]  ? snprintf+0xd6/0x120
[  412.683461][ T6810]  ? vscnprintf+0x80/0x80
[  412.687811][ T6810]  ? read_word_at_a_time+0xe/0x20
[  412.692843][ T6810]  ? strscpy+0x89/0x220
[  412.697113][ T6810]  gfs2_fill_super+0x1299/0x2750
[  412.702075][ T6810]  ? gfs2_reconfigure+0xcf0/0xcf0
[  412.707106][ T6810]  ? ptr_to_hashval+0x60/0x60
[  412.711815][ T6810]  ? up_write+0x19d/0x580
[  412.716186][ T6810]  ? set_blocksize+0x1ec/0x370
[  412.721103][ T6810]  get_tree_bdev+0x3fe/0x620
[  412.725725][ T6810]  ? gfs2_reconfigure+0xcf0/0xcf0
[  412.730773][ T6810]  gfs2_get_tree+0x50/0x210
[  412.735290][ T6810]  ? bpf_lsm_capable+0x5/0x10
[  412.740004][ T6810]  vfs_get_tree+0x88/0x270
[  412.744450][ T6810]  do_new_mount+0x2ba/0xb40
[  412.748968][ T6810]  ? do_move_mount_old+0x160/0x160
[  412.754133][ T6810]  ? user_path_at_empty+0x12b/0x180
[  412.759521][ T6810]  __se_sys_mount+0x2d5/0x3c0
[  412.764258][ T6810]  ? __x64_sys_mount+0xc0/0xc0
[  412.769049][ T6810]  ? syscall_enter_from_user_mode+0x2e/0x240
[  412.775184][ T6810]  ? lockdep_hardirqs_on+0x94/0x130
[  412.780625][ T6810]  ? __x64_sys_mount+0x1c/0xc0
[  412.785531][ T6810]  do_syscall_64+0x3b/0xb0
[  412.789960][ T6810]  ? clear_bhb_loop+0x15/0x70
[  412.794645][ T6810]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  412.800609][ T6810] RIP: 0033:0x7f79bbc9990a
[  412.805042][ T6810] 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
[  412.824931][ T6810] RSP: 002b:00007f79baf08e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  412.833738][ T6810] RAX: ffffffffffffffda RBX: 00007f79baf08ef0 RCX: 00007f79bbc9990a
[  412.841719][ T6810] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f79baf08eb0
[  412.849844][ T6810] RBP: 0000200000000400 R08: 00007f79baf08ef0 R09: 0000000000000000
[  412.857830][ T6810] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  412.865826][ T6810] R13: 00007f79baf08eb0 R14: 00000000000125bb R15: 00002000000004c0
[  412.873886][ T6810]  </TASK>
[  412.877001][ T6816] CPU: 0 PID: 6816 Comm: syz.1.512 Not tainted 5.15.180-syzkaller #0
[  412.885103][ T6816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  412.890613][ T6810] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  412.895266][ T6816] Call Trace:
[  412.895277][ T6816]  <TASK>
[  412.895286][ T6816]  dump_stack_lvl+0x1e3/0x2d0
[  412.895319][ T6816]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  412.895345][ T6816]  ? panic+0x860/0x860
[  412.895370][ T6816]  ? sysfs_create_dir_ns+0x282/0x390
[  412.895401][ T6816]  sysfs_create_dir_ns+0x2c6/0x390
[  412.910706][ T6810] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  412.912412][ T6816]  ? sysfs_warn_dup+0xa0/0xa0
[  412.951483][ T6816]  ? do_raw_spin_unlock+0x137/0x8b0
[  412.956711][ T6816]  ? kobject_set_name_vargs+0xca/0x110
[  412.962215][ T6816]  kobject_add_internal+0x6e0/0xe00
[  412.967549][ T6816]  kobject_init_and_add+0x120/0x190
[  412.972781][ T6816]  ? lockdep_softirqs_off+0x420/0x420
[  412.978195][ T6816]  ? widen_string+0x3a/0x310
[  412.982799][ T6816]  ? kobject_add+0x210/0x210
[  412.987404][ T6816]  ? __init_swait_queue_head+0xaa/0x140
[  412.992971][ T6816]  gfs2_sys_fs_add+0x237/0x4a0
[  412.997757][ T6816]  ? gfs2_recover_set+0x240/0x240
[  413.002792][ T6816]  ? snprintf+0xd6/0x120
[  413.007048][ T6816]  ? vscnprintf+0x80/0x80
[  413.011421][ T6816]  ? read_word_at_a_time+0xe/0x20
[  413.016454][ T6816]  ? strscpy+0x89/0x220
[  413.020619][ T6816]  gfs2_fill_super+0x1299/0x2750
[  413.025761][ T6816]  ? gfs2_reconfigure+0xcf0/0xcf0
[  413.030804][ T6816]  ? ptr_to_hashval+0x60/0x60
[  413.035488][ T6816]  ? up_write+0x19d/0x580
[  413.039842][ T6816]  ? set_blocksize+0x1ec/0x370
[  413.044660][ T6816]  get_tree_bdev+0x3fe/0x620
[  413.049260][ T6816]  ? gfs2_reconfigure+0xcf0/0xcf0
[  413.054294][ T6816]  gfs2_get_tree+0x50/0x210
[  413.058815][ T6816]  ? bpf_lsm_capable+0x5/0x10
[  413.063680][ T6816]  vfs_get_tree+0x88/0x270
[  413.068144][ T6816]  do_new_mount+0x2ba/0xb40
[  413.072668][ T6816]  ? do_move_mount_old+0x160/0x160
[  413.077797][ T6816]  ? user_path_at_empty+0x12b/0x180
[  413.083013][ T6816]  __se_sys_mount+0x2d5/0x3c0
[  413.087707][ T6816]  ? __x64_sys_mount+0xc0/0xc0
[  413.092480][ T6816]  ? syscall_enter_from_user_mode+0x2e/0x240
[  413.098470][ T6816]  ? lockdep_hardirqs_on+0x94/0x130
[  413.103690][ T6816]  ? __x64_sys_mount+0x1c/0xc0
[  413.108556][ T6816]  do_syscall_64+0x3b/0xb0
[  413.112989][ T6816]  ? clear_bhb_loop+0x15/0x70
[  413.117682][ T6816]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  413.123762][ T6816] RIP: 0033:0x7f05712b490a
[  413.128312][ T6816] 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
[  413.147929][ T6816] RSP: 002b:00007f0570523e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  413.156479][ T6816] RAX: ffffffffffffffda RBX: 00007f0570523ef0 RCX: 00007f05712b490a
[  413.164554][ T6816] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0570523eb0
[  413.172572][ T6816] RBP: 0000200000000400 R08: 00007f0570523ef0 R09: 0000000000000000
[  413.180569][ T6816] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  413.188575][ T6816] R13: 00007f0570523eb0 R14: 00000000000125bb R15: 00002000000004c0
[  413.196582][ T6816]  </TASK>
[  413.199620][ T6812] CPU: 1 PID: 6812 Comm: syz.2.510 Not tainted 5.15.180-syzkaller #0
[  413.207827][ T6812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  413.218032][ T6812] Call Trace:
[  413.221339][ T6812]  <TASK>
[  413.224279][ T6812]  dump_stack_lvl+0x1e3/0x2d0
[  413.228997][ T6812]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  413.234509][ T6816] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  413.234658][ T6812]  ? panic+0x860/0x860
[  413.251911][ T6812]  ? sysfs_create_dir_ns+0x282/0x390
[  413.257224][ T6812]  sysfs_create_dir_ns+0x2c6/0x390
[  413.262368][ T6812]  ? sysfs_warn_dup+0xa0/0xa0
[  413.267066][ T6812]  ? do_raw_spin_unlock+0x137/0x8b0
[  413.272315][ T6812]  ? kobject_set_name_vargs+0xca/0x110
[  413.274841][ T6816] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  413.277791][ T6812]  kobject_add_internal+0x6e0/0xe00
[  413.277833][ T6812]  kobject_init_and_add+0x120/0x190
[  413.277855][ T6812]  ? lockdep_softirqs_off+0x420/0x420
[  413.277876][ T6812]  ? widen_string+0x3a/0x310
[  413.277902][ T6812]  ? kobject_add+0x210/0x210
[  413.277929][ T6812]  ? __init_swait_queue_head+0xaa/0x140
[  413.277957][ T6812]  gfs2_sys_fs_add+0x237/0x4a0
[  413.277983][ T6812]  ? gfs2_recover_set+0x240/0x240
[  413.278007][ T6812]  ? snprintf+0xd6/0x120
[  413.278036][ T6812]  ? vscnprintf+0x80/0x80
[  413.278066][ T6812]  ? read_word_at_a_time+0xe/0x20
[  413.278090][ T6812]  ? strscpy+0x89/0x220
[  413.278117][ T6812]  gfs2_fill_super+0x1299/0x2750
[  413.278163][ T6812]  ? gfs2_reconfigure+0xcf0/0xcf0
[  413.278187][ T6812]  ? ptr_to_hashval+0x60/0x60
[  413.278213][ T6812]  ? up_write+0x19d/0x580
[  413.278257][ T6812]  ? set_blocksize+0x1ec/0x370
[  413.278292][ T6812]  get_tree_bdev+0x3fe/0x620
[  413.278318][ T6812]  ? gfs2_reconfigure+0xcf0/0xcf0
[  413.278344][ T6812]  gfs2_get_tree+0x50/0x210
[  413.278366][ T6812]  ? bpf_lsm_capable+0x5/0x10
[  413.278395][ T6812]  vfs_get_tree+0x88/0x270
[  413.278420][ T6812]  do_new_mount+0x2ba/0xb40
[  413.278449][ T6812]  ? do_move_mount_old+0x160/0x160
[  413.278477][ T6812]  ? user_path_at_empty+0x12b/0x180
[  413.278502][ T6812]  __se_sys_mount+0x2d5/0x3c0
[  413.278531][ T6812]  ? __x64_sys_mount+0xc0/0xc0
[  413.278554][ T6812]  ? syscall_enter_from_user_mode+0x2e/0x240
[  413.278578][ T6812]  ? lockdep_hardirqs_on+0x94/0x130
[  413.278606][ T6812]  ? __x64_sys_mount+0x1c/0xc0
[  413.278631][ T6812]  do_syscall_64+0x3b/0xb0
[  413.278652][ T6812]  ? clear_bhb_loop+0x15/0x70
[  413.278677][ T6812]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  413.278701][ T6812] RIP: 0033:0x7fce8a7b190a
[  413.278722][ T6812] 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
[  413.278740][ T6812] RSP: 002b:00007fce89a20e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  413.278764][ T6812] RAX: ffffffffffffffda RBX: 00007fce89a20ef0 RCX: 00007fce8a7b190a
[  413.278782][ T6812] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fce89a20eb0
[  413.278806][ T6812] RBP: 0000200000000400 R08: 00007fce89a20ef0 R09: 0000000000000000
[  413.278821][ T6812] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  413.278837][ T6812] R13: 00007fce89a20eb0 R14: 00000000000125bb R15: 00002000000004c0
[  413.278869][ T6812]  </TASK>
[  413.333227][ T6812] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  413.543415][ T6812] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  413.896709][   T27] INFO: task syz.3.232:6220 blocked for more than 143 seconds.
[  413.904560][   T27]       Not tainted 5.15.180-syzkaller #0
[  413.934353][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  413.975926][   T27] task:syz.3.232       state:D stack:23712 pid: 6220 ppid:  4908 flags:0x00004004
[  414.000659][   T27] Call Trace:
[  414.010772][   T27]  <TASK>
[  414.019449][   T27]  __schedule+0x12c4/0x45b0
[  414.044917][   T27]  ? __lock_acquire+0x1295/0x1ff0
[  414.050124][   T27]  ? release_firmware_map_entry+0x190/0x190
[  414.080538][   T27]  schedule+0x11b/0x1f0
[  414.103480][   T27]  schedule_timeout+0xac/0x300
[  414.128237][   T27]  ? console_conditional_schedule+0x40/0x40
[  414.154547][   T27]  ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[  414.161061][   T27]  ? do_raw_spin_unlock+0x137/0x8b0
[  414.194775][   T27]  ? _raw_spin_unlock_irq+0x1f/0x40
[  414.205024][   T27]  ? lockdep_hardirqs_on+0x94/0x130
[  414.210519][   T27]  do_wait_for_common+0x2d9/0x480
[  414.246328][   T27]  ? console_conditional_schedule+0x40/0x40
[  414.252297][   T27]  ? wait_for_completion_killable_timeout+0x60/0x60
[  414.289935][   T27]  ? _raw_spin_lock_irq+0xdb/0x110
[  414.310557][   T27]  wait_for_completion+0x48/0x60
[  414.320690][   T27]  kthread_stop+0x178/0x580
[  414.336440][   T27]  gfs2_make_fs_ro+0x14d/0x5f0
[  414.351578][   T27]  ? gfs2_dinode_out+0xaf0/0xaf0
[  414.371861][   T27]  ? do_raw_spin_unlock+0x137/0x8b0
[  414.387606][   T27]  ? gfs2_glock_is_locked_by_me+0x16f/0x190
[  414.403840][   T27]  gfs2_withdraw+0x5fb/0x14e0
[  414.424120][   T27]  ? gfs2_lm+0x206/0x230
[  414.439351][   T27]  ? gfs2_lm+0x230/0x230
[  414.443661][   T27]  ? gfs2_meta_ra+0x568/0x5f0
[  414.484960][   T27]  ? gfs2_meta_buffer+0x410/0x410
[  414.490273][   T27]  gfs2_metatype_check_ii+0x75/0x90
[  414.526763][   T27]  gfs2_quota_init+0xe06/0x1110
[  414.531711][   T27]  ? qd_get+0x5c0/0x5c0
[  414.558922][   T27]  ? gfs2_end_log_write+0x800/0x800
[  414.564202][   T27]  ? inode_go_inval+0x25c/0x2c0
[  414.589948][   T27]  gfs2_make_fs_rw+0x436/0x5b0
[  414.606464][   T27]  ? gfs2_jdesc_check+0x290/0x290
[  414.626712][   T27]  ? gfs2_glock_wait+0x137/0x1c0
[  414.631735][   T27]  gfs2_fill_super+0x23e8/0x2750
[  414.684924][   T27]  ? gfs2_reconfigure+0xcf0/0xcf0
[  414.695033][   T27]  ? ptr_to_hashval+0x60/0x60
[  414.699867][   T27]  ? gfs2_glock_nq_num+0x123/0x270
[  414.745858][   T27]  ? gfs2_freeze_lock+0x52/0xc0
[  414.750822][   T27]  ? set_blocksize+0x1ec/0x370
[  414.769526][ T6818] loop0: detected capacity change from 0 to 32768
[  414.774790][   T27]  get_tree_bdev+0x3fe/0x620
[  414.790934][   T27]  ? gfs2_reconfigure+0xcf0/0xcf0
[  414.804766][   T27]  gfs2_get_tree+0x50/0x210
[  414.816329][   T27]  ? bpf_lsm_capable+0x5/0x10
[  414.831304][   T27]  vfs_get_tree+0x88/0x270
[  414.850801][   T27]  do_new_mount+0x2ba/0xb40
[  414.858306][ T6818] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  414.874780][   T27]  ? do_move_mount_old+0x160/0x160
[  414.880163][   T27]  ? user_path_at_empty+0x12b/0x180
[  414.898355][ T6818] CPU: 1 PID: 6818 Comm: syz.0.513 Not tainted 5.15.180-syzkaller #0
[  414.900522][   T27]  __se_sys_mount+0x2d5/0x3c0
[  414.906503][ T6818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  414.906520][ T6818] Call Trace:
[  414.906529][ T6818]  <TASK>
[  414.906537][ T6818]  dump_stack_lvl+0x1e3/0x2d0
[  414.906566][ T6818]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  414.906589][ T6818]  ? panic+0x860/0x860
[  414.906614][ T6818]  ? sysfs_create_dir_ns+0x282/0x390
[  414.942888][   T27]  ? __x64_sys_mount+0xc0/0xc0
[  414.947894][ T6818]  sysfs_create_dir_ns+0x2c6/0x390
[  414.947929][ T6818]  ? sysfs_warn_dup+0xa0/0xa0
[  414.956305][   T27]  ? syscall_enter_from_user_mode+0x2e/0x240
[  414.957797][ T6818]  ? do_raw_spin_unlock+0x137/0x8b0
[  414.962467][   T27]  ? lockdep_hardirqs_on+0x94/0x130
[  414.968452][ T6818]  ? kobject_set_name_vargs+0xca/0x110
[  414.968483][ T6818]  kobject_add_internal+0x6e0/0xe00
[  414.968514][ T6818]  kobject_init_and_add+0x120/0x190
[  414.968536][ T6818]  ? lockdep_softirqs_off+0x420/0x420
[  414.968558][ T6818]  ? widen_string+0x3a/0x310
[  415.004649][   T27]  ? __x64_sys_mount+0x1c/0xc0
[  415.010086][ T6818]  ? kobject_add+0x210/0x210
[  415.014803][ T6818]  ? __init_swait_queue_head+0xaa/0x140
[  415.020375][ T6818]  gfs2_sys_fs_add+0x237/0x4a0
[  415.020407][ T6818]  ? gfs2_recover_set+0x240/0x240
[  415.020428][ T6818]  ? snprintf+0xd6/0x120
[  415.020463][ T6818]  ? vscnprintf+0x80/0x80
[  415.020493][ T6818]  ? read_word_at_a_time+0xe/0x20
[  415.020517][ T6818]  ? strscpy+0x89/0x220
[  415.020543][ T6818]  gfs2_fill_super+0x1299/0x2750
[  415.020588][ T6818]  ? gfs2_reconfigure+0xcf0/0xcf0
[  415.020613][ T6818]  ? ptr_to_hashval+0x60/0x60
[  415.020639][ T6818]  ? up_write+0x19d/0x580
[  415.020682][ T6818]  ? set_blocksize+0x1ec/0x370
[  415.020717][ T6818]  get_tree_bdev+0x3fe/0x620
[  415.020743][ T6818]  ? gfs2_reconfigure+0xcf0/0xcf0
[  415.020769][ T6818]  gfs2_get_tree+0x50/0x210
[  415.020792][ T6818]  ? bpf_lsm_capable+0x5/0x10
[  415.020820][ T6818]  vfs_get_tree+0x88/0x270
[  415.020844][ T6818]  do_new_mount+0x2ba/0xb40
[  415.020874][ T6818]  ? do_move_mount_old+0x160/0x160
[  415.020902][ T6818]  ? user_path_at_empty+0x12b/0x180
[  415.020927][ T6818]  __se_sys_mount+0x2d5/0x3c0
[  415.020956][ T6818]  ? __x64_sys_mount+0xc0/0xc0
[  415.020979][ T6818]  ? syscall_enter_from_user_mode+0x2e/0x240
[  415.021003][ T6818]  ? lockdep_hardirqs_on+0x94/0x130
[  415.021031][ T6818]  ? __x64_sys_mount+0x1c/0xc0
[  415.021056][ T6818]  do_syscall_64+0x3b/0xb0
[  415.021078][ T6818]  ? clear_bhb_loop+0x15/0x70
[  415.021103][ T6818]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  415.021130][ T6818] RIP: 0033:0x7fc971f7e90a
[  415.021153][ T6818] 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
[  415.021173][ T6818] RSP: 002b:00007fc9711ede68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  415.021198][ T6818] RAX: ffffffffffffffda RBX: 00007fc9711edef0 RCX: 00007fc971f7e90a
[  415.021214][ T6818] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc9711edeb0
[  415.021231][ T6818] RBP: 0000200000000400 R08: 00007fc9711edef0 R09: 0000000000000000
[  415.021247][ T6818] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  415.021263][ T6818] R13: 00007fc9711edeb0 R14: 00000000000125bb R15: 00002000000004c0
[  415.021296][ T6818]  </TASK>
[  415.087258][ T6822] loop2: detected capacity change from 0 to 32768
[  415.156012][ T6820] loop4: detected capacity change from 0 to 32768
[  415.243493][ T6818] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  415.274739][ T6818] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  415.288477][ T6824] loop1: detected capacity change from 0 to 32768
[  415.310275][   T27]  do_syscall_64+0x3b/0xb0
[  415.315375][   T27]  ? clear_bhb_loop+0x15/0x70
[  415.320462][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  415.328004][   T27] RIP: 0033:0x7f0b5205b90a
[  415.332553][   T27] RSP: 002b:00007f0b512cae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  415.341480][ T6824] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  415.349454][ T6824] CPU: 0 PID: 6824 Comm: syz.1.516 Not tainted 5.15.180-syzkaller #0
[  415.357560][ T6824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  415.367747][ T6824] Call Trace:
[  415.371137][ T6824]  <TASK>
[  415.374084][ T6824]  dump_stack_lvl+0x1e3/0x2d0
[  415.378784][ T6824]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  415.384443][ T6824]  ? panic+0x860/0x860
[  415.388539][ T6824]  ? sysfs_create_dir_ns+0x282/0x390
[  415.393854][ T6824]  sysfs_create_dir_ns+0x2c6/0x390
[  415.398990][ T6824]  ? sysfs_warn_dup+0xa0/0xa0
[  415.403703][ T6824]  ? do_raw_spin_unlock+0x137/0x8b0
[  415.408925][ T6824]  ? kobject_set_name_vargs+0xca/0x110
[  415.414603][ T6824]  kobject_add_internal+0x6e0/0xe00
[  415.419924][ T6824]  kobject_init_and_add+0x120/0x190
[  415.425149][ T6824]  ? lockdep_softirqs_off+0x420/0x420
[  415.430849][ T6824]  ? widen_string+0x3a/0x310
[  415.431741][ T6826] loop5: detected capacity change from 0 to 32768
[  415.435820][ T6824]  ? kobject_add+0x210/0x210
[  415.435853][ T6824]  ? __init_swait_queue_head+0xaa/0x140
[  415.435881][ T6824]  gfs2_sys_fs_add+0x237/0x4a0
[  415.435906][ T6824]  ? gfs2_recover_set+0x240/0x240
[  415.435929][ T6824]  ? snprintf+0xd6/0x120
[  415.435959][ T6824]  ? vscnprintf+0x80/0x80
[  415.435988][ T6824]  ? read_word_at_a_time+0xe/0x20
[  415.450668][   T27] RAX: ffffffffffffffda RBX: 00007f0b512caef0 RCX: 00007f0b5205b90a
[  415.452637][ T6824]  ? strscpy+0x89/0x220
[  415.459099][   T27] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0b512caeb0
[  415.462516][ T6824]  gfs2_fill_super+0x1299/0x2750
[  415.462569][ T6824]  ? gfs2_reconfigure+0xcf0/0xcf0
[  415.473840][   T27] RBP: 0000200000000400 R08: 00007f0b512caef0 R09: 0000000000000000
[  415.476221][ T6824]  ? ptr_to_hashval+0x60/0x60
[  415.476255][ T6824]  ? up_write+0x19d/0x580
[  415.476297][ T6824]  ? set_blocksize+0x1ec/0x370
[  415.476342][ T6824]  get_tree_bdev+0x3fe/0x620
[  415.492263][   T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  415.496437][ T6824]  ? gfs2_reconfigure+0xcf0/0xcf0
[  415.496476][ T6824]  gfs2_get_tree+0x50/0x210
[  415.496498][ T6824]  ? bpf_lsm_capable+0x5/0x10
[  415.496525][ T6824]  vfs_get_tree+0x88/0x270
[  415.496549][ T6824]  do_new_mount+0x2ba/0xb40
[  415.496578][ T6824]  ? do_move_mount_old+0x160/0x160
[  415.496605][ T6824]  ? user_path_at_empty+0x12b/0x180
[  415.504537][   T27] R13: 00007f0b512caeb0 R14: 00000000000125bb R15: 00002000000004c0
[  415.506558][ T6824]  __se_sys_mount+0x2d5/0x3c0
[  415.506591][ T6824]  ? __x64_sys_mount+0xc0/0xc0
[  415.506614][ T6824]  ? syscall_enter_from_user_mode+0x2e/0x240
[  415.506637][ T6824]  ? lockdep_hardirqs_on+0x94/0x130
[  415.506665][ T6824]  ? __x64_sys_mount+0x1c/0xc0
[  415.506691][ T6824]  do_syscall_64+0x3b/0xb0
[  415.506713][ T6824]  ? clear_bhb_loop+0x15/0x70
[  415.506737][ T6824]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  415.522697][   T27]  </TASK>
[  415.523815][ T6824] RIP: 0033:0x7f05712b490a
[  415.529285][   T27] INFO: task gfs2_quotad:6228 blocked for more than 144 seconds.
[  415.533142][ T6824] 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
[  415.533164][ T6824] RSP: 002b:00007f0570523e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  415.533190][ T6824] RAX: ffffffffffffffda RBX: 00007f0570523ef0 RCX: 00007f05712b490a
[  415.533207][ T6824] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0570523eb0
[  415.533224][ T6824] RBP: 0000200000000400 R08: 00007f0570523ef0 R09: 0000000000000000
[  415.549192][   T27]       Not tainted 5.15.180-syzkaller #0
[  415.550789][ T6824] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  415.558378][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  415.559889][ T6824] R13: 00007f0570523eb0 R14: 00000000000125bb R15: 00002000000004c0
[  415.564528][   T27] task:gfs2_quotad     state:D
[  415.569641][ T6824]  </TASK>
[  415.581089][ T6824] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  415.591843][   T27]  stack:25944 pid: 6228 ppid:     2 flags:0x00004000
[  415.592627][ T6824] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  415.615809][ T6820] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  415.635020][ T6826] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  415.684819][ T6820] CPU: 1 PID: 6820 Comm: syz.4.514 Not tainted 5.15.180-syzkaller #0
[  415.693649][ T6822] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  415.697792][ T6820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  415.697807][ T6820] Call Trace:
[  415.697816][ T6820]  <TASK>
[  415.697826][ T6820]  dump_stack_lvl+0x1e3/0x2d0
[  415.714749][   T27] Call Trace:
[  415.722579][ T6820]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  415.722622][ T6820]  ? panic+0x860/0x860
[  415.737628][   T27]  <TASK>
[  415.743579][ T6820]  ? sysfs_create_dir_ns+0x282/0x390
[  415.774806][   T27]  __schedule+0x12c4/0x45b0
[  415.779998][ T6820]  sysfs_create_dir_ns+0x2c6/0x390
[  415.797854][   T27]  ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[  415.800868][ T6820]  ? sysfs_warn_dup+0xa0/0xa0
[  415.803806][   T27]  ? release_firmware_map_entry+0x190/0x190
[  415.808458][ T6820]  ? do_raw_spin_unlock+0x137/0x8b0
[  415.808485][ T6820]  ? kobject_set_name_vargs+0xca/0x110
[  415.808514][ T6820]  kobject_add_internal+0x6e0/0xe00
[  415.822380][   T27]  ? do_raw_spin_unlock+0x137/0x8b0
[  415.824488][ T6820]  kobject_init_and_add+0x120/0x190
[  415.837475][   T27]  ? lockdep_hardirqs_on+0x94/0x130
[  415.839471][ T6820]  ? lockdep_softirqs_off+0x420/0x420
[  415.854753][   T27]  ? _raw_spin_unlock_irqrestore+0xd9/0x130
[  415.856101][ T6820]  ? widen_string+0x3a/0x310
[  415.856133][ T6820]  ? kobject_add+0x210/0x210
[  415.861395][   T27]  schedule+0x11b/0x1f0
[  415.866866][ T6820]  ? __init_swait_queue_head+0xaa/0x140
[  415.866896][ T6820]  gfs2_sys_fs_add+0x237/0x4a0
[  415.893258][   T27]  bit_wait+0xe/0xc0
[  415.898980][ T6820]  ? gfs2_recover_set+0x240/0x240
[  415.899010][ T6820]  ? snprintf+0xd6/0x120
[  415.924285][   T27]  __wait_on_bit+0xb9/0x180
[  415.926959][ T6820]  ? vscnprintf+0x80/0x80
[  415.926994][ T6820]  ? read_word_at_a_time+0xe/0x20
[  415.932660][   T27]  ? out_of_line_wait_on_bit_lock+0x250/0x250
[  415.936262][ T6820]  ? strscpy+0x89/0x220
[  415.936306][ T6820]  gfs2_fill_super+0x1299/0x2750
[  415.936353][ T6820]  ? gfs2_reconfigure+0xcf0/0xcf0
[  415.936377][ T6820]  ? ptr_to_hashval+0x60/0x60
[  415.936401][ T6820]  ? up_write+0x19d/0x580
[  415.936441][ T6820]  ? set_blocksize+0x1ec/0x370
[  415.962281][   T27]  out_of_line_wait_on_bit+0x1d0/0x250
[  415.965919][ T6820]  get_tree_bdev+0x3fe/0x620
[  415.965952][ T6820]  ? gfs2_reconfigure+0xcf0/0xcf0
[  415.971649][   T27]  ? out_of_line_wait_on_bit_lock+0x250/0x250
[  415.975748][ T6820]  gfs2_get_tree+0x50/0x210
[  415.975775][ T6820]  ? bpf_lsm_capable+0x5/0x10
[  415.975805][ T6820]  vfs_get_tree+0x88/0x270
[  415.986306][   T27]  ? __wait_on_bit+0x180/0x180
[  415.990426][ T6820]  do_new_mount+0x2ba/0xb40
[  415.990459][ T6820]  ? do_move_mount_old+0x160/0x160
[  416.014744][   T27]  ? bit_waitqueue+0x30/0x30
[  416.015245][ T6820]  ? user_path_at_empty+0x12b/0x180
[  416.025271][   T27]  __gfs2_glock_dq+0x699/0x9e0
[  416.028891][ T6820]  __se_sys_mount+0x2d5/0x3c0
[  416.053374][ T6820]  ? __x64_sys_mount+0xc0/0xc0
[  416.054373][   T27]  gfs2_glock_dq_uninit+0x51/0x110
[  416.058146][ T6820]  ? syscall_enter_from_user_mode+0x2e/0x240
[  416.058171][ T6820]  ? lockdep_hardirqs_on+0x94/0x130
[  416.064491][   T27]  gfs2_statfs_sync+0x7d5/0x860
[  416.069255][ T6820]  ? __x64_sys_mount+0x1c/0xc0
[  416.069284][ T6820]  do_syscall_64+0x3b/0xb0
[  416.085445][   T27]  ? update_statfs+0x350/0x350
[  416.088484][ T6820]  ? clear_bhb_loop+0x15/0x70
[  416.093249][   T27]  ? gfs2_statfs_sync+0x150/0x860
[  416.097999][ T6820]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  416.098026][ T6820] RIP: 0033:0x7f79bbc9990a
[  416.098047][ T6820] 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
[  416.098067][ T6820] RSP: 002b:00007f79baf08e68 EFLAGS: 00000246
[  416.130399][   T27]  ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[  416.133750][ T6820]  ORIG_RAX: 00000000000000a5
[  416.150492][ T6820] RAX: ffffffffffffffda RBX: 00007f79baf08ef0 RCX: 00007f79bbc9990a
[  416.154744][   T27]  gfs2_quotad+0x3a8/0x900
[  416.158471][ T6820] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f79baf08eb0
[  416.170990][ T6820] RBP: 0000200000000400 R08: 00007f79baf08ef0 R09: 0000000000000000
[  416.179054][ T6820] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  416.183272][   T27]  ? gfs2_wake_up_statfs+0xc0/0xc0
[  416.187028][ T6820] R13: 00007f79baf08eb0 R14: 00000000000125bb R15: 00002000000004c0
[  416.187063][ T6820]  </TASK>
[  416.210252][ T6826] CPU: 0 PID: 6826 Comm: syz.5.517 Not tainted 5.15.180-syzkaller #0
[  416.218382][ T6826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  416.228466][ T6826] Call Trace:
[  416.231763][ T6826]  <TASK>
[  416.234706][ T6826]  dump_stack_lvl+0x1e3/0x2d0
[  416.234800][ T6820] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  416.239405][ T6826]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  416.239433][ T6826]  ? panic+0x860/0x860
[  416.239460][ T6826]  ? sysfs_create_dir_ns+0x282/0x390
[  416.257419][ T6820] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  416.258174][ T6826]  sysfs_create_dir_ns+0x2c6/0x390
[  416.279549][ T6826]  ? sysfs_warn_dup+0xa0/0xa0
[  416.284252][ T6826]  ? do_raw_spin_unlock+0x137/0x8b0
[  416.289461][ T6826]  ? kobject_set_name_vargs+0xca/0x110
[  416.294946][ T6826]  kobject_add_internal+0x6e0/0xe00
[  416.300268][ T6826]  kobject_init_and_add+0x120/0x190
[  416.305575][ T6826]  ? lockdep_softirqs_off+0x420/0x420
[  416.310963][ T6826]  ? widen_string+0x3a/0x310
[  416.315574][ T6826]  ? kobject_add+0x210/0x210
[  416.320185][ T6826]  ? __init_swait_queue_head+0xaa/0x140
[  416.325742][ T6826]  gfs2_sys_fs_add+0x237/0x4a0
[  416.330542][ T6826]  ? gfs2_recover_set+0x240/0x240
[  416.335577][ T6826]  ? snprintf+0xd6/0x120
[  416.339850][ T6826]  ? vscnprintf+0x80/0x80
[  416.344212][ T6826]  ? read_word_at_a_time+0xe/0x20
[  416.349268][ T6826]  ? strscpy+0x89/0x220
[  416.353465][ T6826]  gfs2_fill_super+0x1299/0x2750
[  416.358452][ T6826]  ? gfs2_reconfigure+0xcf0/0xcf0
[  416.363508][ T6826]  ? ptr_to_hashval+0x60/0x60
[  416.368213][ T6826]  ? up_write+0x19d/0x580
[  416.372582][ T6826]  ? set_blocksize+0x1ec/0x370
[  416.377371][ T6826]  get_tree_bdev+0x3fe/0x620
[  416.381984][ T6826]  ? gfs2_reconfigure+0xcf0/0xcf0
[  416.387030][ T6826]  gfs2_get_tree+0x50/0x210
[  416.391541][ T6826]  ? bpf_lsm_capable+0x5/0x10
[  416.396329][ T6826]  vfs_get_tree+0x88/0x270
[  416.400780][ T6826]  do_new_mount+0x2ba/0xb40
[  416.405583][ T6826]  ? do_move_mount_old+0x160/0x160
[  416.410715][ T6826]  ? user_path_at_empty+0x12b/0x180
[  416.415932][ T6826]  __se_sys_mount+0x2d5/0x3c0
[  416.420631][ T6826]  ? __x64_sys_mount+0xc0/0xc0
[  416.425447][ T6826]  ? syscall_enter_from_user_mode+0x2e/0x240
[  416.431511][ T6826]  ? lockdep_hardirqs_on+0x94/0x130
[  416.436773][ T6826]  ? __x64_sys_mount+0x1c/0xc0
[  416.441656][ T6826]  do_syscall_64+0x3b/0xb0
[  416.446189][ T6826]  ? clear_bhb_loop+0x15/0x70
[  416.450915][ T6826]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  416.456836][ T6826] RIP: 0033:0x7f806f2b290a
2025/04/13 17:11:49 executed programs: 512
[  416.461275][ T6826] 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
[  416.481153][ T6826] RSP: 002b:00007f806e521e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  416.489599][ T6826] RAX: ffffffffffffffda RBX: 00007f806e521ef0 RCX: 00007f806f2b290a
[  416.497681][ T6826] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f806e521eb0
[  416.505673][ T6826] RBP: 0000200000000400 R08: 00007f806e521ef0 R09: 0000000000000000
[  416.513961][ T6826] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  416.522169][ T6826] R13: 00007f806e521eb0 R14: 00000000000125bb R15: 00002000000004c0
[  416.530177][ T6826]  </TASK>
[  416.533210][ T6822] CPU: 1 PID: 6822 Comm: syz.2.515 Not tainted 5.15.180-syzkaller #0
[  416.541432][ T6822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  416.542178][   T27]  ? init_wait_entry+0xd0/0xd0
[  416.551709][ T6822] Call Trace:
[  416.551720][ T6822]  <TASK>
[  416.551729][ T6822]  dump_stack_lvl+0x1e3/0x2d0
[  416.551759][ T6822]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  416.557714][   T27]  kthread+0x3f6/0x4f0
[  416.559990][ T6822]  ? panic+0x860/0x860
[  416.560021][ T6822]  ? sysfs_create_dir_ns+0x282/0x390
[  416.563007][   T27]  ? gfs2_wake_up_statfs+0xc0/0xc0
[  416.567613][ T6822]  sysfs_create_dir_ns+0x2c6/0x390
[  416.567644][ T6822]  ? sysfs_warn_dup+0xa0/0xa0
[  416.573335][   T27]  ? kthread_blkcg+0xd0/0xd0
[  416.577345][ T6822]  ? do_raw_spin_unlock+0x137/0x8b0
[  416.577381][ T6822]  ? kobject_set_name_vargs+0xca/0x110
[  416.577409][ T6822]  kobject_add_internal+0x6e0/0xe00
[  416.577440][ T6822]  kobject_init_and_add+0x120/0x190
[  416.577462][ T6822]  ? lockdep_softirqs_off+0x420/0x420
[  416.577483][ T6822]  ? widen_string+0x3a/0x310
[  416.581668][   T27]  ret_from_fork+0x1f/0x30
[  416.586831][ T6822]  ? kobject_add+0x210/0x210
[  416.586863][ T6822]  ? __init_swait_queue_head+0xaa/0x140
[  416.586892][ T6822]  gfs2_sys_fs_add+0x237/0x4a0
[  416.599752][   T27]  </TASK>
[  416.601774][ T6822]  ? gfs2_recover_set+0x240/0x240
[  416.609883][   T27] 
[  416.609883][   T27] Showing all locks held in the system:
[  416.611571][ T6822]  ? snprintf+0xd6/0x120
[  416.644759][   T27] 1 lock held by khungtaskd/27:
[  416.646443][ T6822]  ? vscnprintf+0x80/0x80
[  416.652071][   T27]  #0: ffffffff8cb1f560
[  416.656827][ T6822]  ? read_word_at_a_time+0xe/0x20
[  416.656855][ T6822]  ? strscpy+0x89/0x220
[  416.656878][ T6822]  gfs2_fill_super+0x1299/0x2750
[  416.656922][ T6822]  ? gfs2_reconfigure+0xcf0/0xcf0
[  416.656945][ T6822]  ? ptr_to_hashval+0x60/0x60
[  416.656969][ T6822]  ? up_write+0x19d/0x580
[  416.657012][ T6822]  ? set_blocksize+0x1ec/0x370
[  416.657046][ T6822]  get_tree_bdev+0x3fe/0x620
[  416.657072][ T6822]  ? gfs2_reconfigure+0xcf0/0xcf0
[  416.657099][ T6822]  gfs2_get_tree+0x50/0x210
[  416.657120][ T6822]  ? bpf_lsm_capable+0x5/0x10
[  416.657148][ T6822]  vfs_get_tree+0x88/0x270
[  416.657173][ T6822]  do_new_mount+0x2ba/0xb40
[  416.657202][ T6822]  ? do_move_mount_old+0x160/0x160
[  416.657230][ T6822]  ? user_path_at_empty+0x12b/0x180
[  416.657255][ T6822]  __se_sys_mount+0x2d5/0x3c0
[  416.657283][ T6822]  ? __x64_sys_mount+0xc0/0xc0
[  416.657307][ T6822]  ? syscall_enter_from_user_mode+0x2e/0x240
[  416.657330][ T6822]  ? lockdep_hardirqs_on+0x94/0x130
[  416.657357][ T6822]  ? __x64_sys_mount+0x1c/0xc0
[  416.657382][ T6822]  do_syscall_64+0x3b/0xb0
[  416.657405][ T6822]  ? clear_bhb_loop+0x15/0x70
[  416.657429][ T6822]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  416.657452][ T6822] RIP: 0033:0x7fce8a7b190a
[  416.657474][ T6822] 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
[  416.657503][ T6822] RSP: 002b:00007fce89a20e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  416.657528][ T6822] RAX: ffffffffffffffda RBX: 00007fce89a20ef0 RCX: 00007fce8a7b190a
[  416.657547][ T6822] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fce89a20eb0
[  416.657564][ T6822] RBP: 0000200000000400 R08: 00007fce89a20ef0 R09: 0000000000000000
[  416.657580][ T6822] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  416.657596][ T6822] R13: 00007fce89a20eb0 R14: 00000000000125bb R15: 00002000000004c0
[  416.657628][ T6822]  </TASK>
[  416.672574][ T6822] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  416.694782][   T27]  (
[  416.698531][ T6826] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  416.724760][   T27] rcu_read_lock
[  416.731895][ T6826] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  416.736290][ T6822] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  416.832694][   T27] ){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[  416.936828][   T27] 2 locks held by getty/3923:
[  416.941623][   T27]  #0: ffff88802c57c098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[  416.951572][   T27]  #1: ffffc90002cd62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0
[  416.961947][   T27] 1 lock held by syz-executor/4900:
[  416.973258][   T27]  #0: ffff888147dc0468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xa9/0xbe0
[  416.990005][   T27] 2 locks held by udevd/6062:
[  416.996087][   T27]  #0: ffff8880202ba118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfb/0x790
[  417.011558][   T27]  #1: ffff888147e1c468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xa9/0xbe0
[  417.022331][   T27] 1 lock held by syz.3.232/6220:
[  417.033350][   T27]  #0: ffff888061a500e0 (&type->s_umount_key#53/1){+.+.}-{3:3}, at: alloc_super+0x210/0x940
[  417.053551][   T27] 2 locks held by syz.2.515/6822:
[  417.058852][   T27]  #0: ffff8880202b7118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfb/0x790
[  417.076923][   T27]  #1: ffff888147dc6468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[  417.090930][   T27] 1 lock held by syz.1.516/6824:
[  417.098887][   T27]  #0: ffff888147dc3468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xa9/0xbe0
[  417.119025][   T27] 2 locks held by syz.5.517/6826:
[  417.124181][   T27]  #0: ffff8880202bbd18 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfb/0x790
[  417.134090][   T27]  #1: ffff888147e1f468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[  417.143608][   T27] 1 lock held by syz.4.518/6829:
[  417.148740][   T27]  #0: ffff8880202ba118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x14d/0xa50
[  417.159226][   T27] 
[  417.161655][   T27] =============================================
[  417.161655][   T27] 
[  417.171658][ T6829] loop4: detected capacity change from 0 to 32768
[  417.214890][   T27] NMI backtrace for cpu 0
[  417.219263][   T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.180-syzkaller #0
[  417.227621][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  417.237972][   T27] Call Trace:
[  417.241267][   T27]  <TASK>
[  417.244210][   T27]  dump_stack_lvl+0x1e3/0x2d0
[  417.248915][   T27]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  417.254714][   T27]  ? panic+0x860/0x860
[  417.258864][   T27]  ? nmi_cpu_backtrace+0x23b/0x4a0
[  417.264030][   T27]  nmi_cpu_backtrace+0x46a/0x4a0
[  417.269006][   T27]  ? __wake_up_klogd+0xd5/0x100
[  417.274039][   T27]  ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[  417.280246][   T27]  ? _printk+0xd1/0x120
[  417.284460][   T27]  ? panic+0x860/0x860
[  417.288573][   T27]  ? __wake_up_klogd+0xcc/0x100
[  417.293451][   T27]  ? panic+0x860/0x860
[  417.297540][   T27]  ? __rcu_read_unlock+0x92/0x100
[  417.302587][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  417.308677][   T27]  nmi_trigger_cpumask_backtrace+0x181/0x2a0
[  417.314693][   T27]  watchdog+0xe72/0xeb0
[  417.318880][   T27]  kthread+0x3f6/0x4f0
[  417.322969][   T27]  ? hungtask_pm_notify+0x50/0x50
[  417.328006][   T27]  ? kthread_blkcg+0xd0/0xd0
[  417.332625][   T27]  ret_from_fork+0x1f/0x30
[  417.337087][   T27]  </TASK>
[  417.341189][   T27] Sending NMI from CPU 0 to CPUs 1:
[  417.346773][    C1] NMI backtrace for cpu 1
[  417.346796][    C1] CPU: 1 PID: 6062 Comm: udevd Not tainted 5.15.180-syzkaller #0
[  417.346815][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  417.346826][    C1] RIP: 0010:xas_clear_mark+0x78/0x540
[  417.346850][    C1] Code: 0f 85 93 03 00 00 44 0f b6 33 4c 89 ee 48 83 e6 03 31 ff e8 fa 55 45 fd 4c 89 e8 48 83 e0 03 74 14 e8 0c 52 45 fd 48 83 c4 10 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 4d 85 ed 0f 84 2d 02 00 00 44 89
[  417.346865][    C1] RSP: 0018:ffffc90003d2f5f8 EFLAGS: 00000082
[  417.346881][    C1] RAX: ffffffff843b4e25 RBX: 0000000000000000 RCX: ffff88802becd940
[  417.346894][    C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  417.346904][    C1] RBP: 0000000000000000 R08: ffffffff843b4c66 R09: ffffed100b065a58
[  417.346916][    C1] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000002
[  417.346928][    C1] R13: ffff88805832d080 R14: 0000000000000017 R15: ffffc90003d2f700
[  417.346940][    C1] FS:  00007f7a18cc5c80(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
[  417.346956][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  417.346967][    C1] CR2: 000055558933a608 CR3: 00000000713c0000 CR4: 00000000003506e0
[  417.346982][    C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  417.346992][    C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  417.347003][    C1] Call Trace:
[  417.347008][    C1]  <TASK>
[  417.347017][    C1]  xas_init_marks+0x84/0xd0
[  417.347035][    C1]  __delete_from_page_cache+0x67a/0x860
[  417.347060][    C1]  ? __bpf_trace_file_check_and_advance_wb_err+0x30/0x30
[  417.347082][    C1]  ? _raw_spin_lock_irqsave+0x120/0x120
[  417.347102][    C1]  ? page_mapping+0x312/0x440
[  417.347122][    C1]  delete_from_page_cache+0x126/0x190
[  417.347142][    C1]  truncate_inode_page+0x8d/0xb0
[  417.347162][    C1]  shmem_undo_range+0x535/0x1b50
[  417.347187][    C1]  ? shmem_truncate_range+0xa0/0xa0
[  417.347217][    C1]  ? __lock_acquire+0x1ff0/0x1ff0
[  417.347233][    C1]  ? do_raw_spin_lock+0x14a/0x370
[  417.347257][    C1]  shmem_evict_inode+0x21b/0xa00
[  417.347276][    C1]  ? _raw_spin_unlock+0x24/0x40
[  417.347291][    C1]  ? inode_wait_for_writeback+0x21f/0x280
[  417.347313][    C1]  ? shmem_free_in_core_inode+0xb0/0xb0
[  417.347332][    C1]  ? bit_waitqueue+0x30/0x30
[  417.347348][    C1]  ? do_raw_spin_unlock+0x137/0x8b0
[  417.347367][    C1]  ? shmem_free_in_core_inode+0xb0/0xb0
[  417.347386][    C1]  evict+0x529/0x930
[  417.347416][    C1]  ? proc_nr_inodes+0x330/0x330
[  417.347436][    C1]  ? _raw_spin_unlock+0x24/0x40
[  417.347451][    C1]  ? iput+0x6f5/0x8b0
[  417.347470][    C1]  __dentry_kill+0x436/0x650
[  417.347492][    C1]  dentry_kill+0xbb/0x290
[  417.347512][    C1]  dput+0xd8/0x1a0
[  417.347530][    C1]  __fput+0x636/0x8e0
[  417.347550][    C1]  task_work_run+0x129/0x1a0
[  417.347575][    C1]  exit_to_user_mode_loop+0x106/0x130
[  417.347594][    C1]  exit_to_user_mode_prepare+0xb1/0x140
[  417.347611][    C1]  syscall_exit_to_user_mode+0x5d/0x240
[  417.347630][    C1]  do_syscall_64+0x47/0xb0
[  417.347647][    C1]  ? clear_bhb_loop+0x15/0x70
[  417.347665][    C1]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  417.347682][    C1] RIP: 0033:0x7f7a18df10a8
[  417.347698][    C1] Code: 48 8b 05 83 9d 0d 00 64 c7 00 16 00 00 00 83 c8 ff 48 83 c4 20 5b c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 5b 48 8b 15 51 9d 0d 00 f7 d8 64 89 02 48 83
[  417.347714][    C1] RSP: 002b:00007ffdb59ec2e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[  417.347731][    C1] RAX: 0000000000000000 RBX: 00007f7a18cc5ae0 RCX: 00007f7a18df10a8
[  417.347743][    C1] RDX: 000055938547d7cd RSI: 00007ffdb59ebae8 RDI: 0000000000000008
[  417.347755][    C1] RBP: 00005596dc297ac0 R08: 0000000000000006 R09: 247492e42cfcfc09
[  417.347766][    C1] R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000002
[  417.347777][    C1] R13: 00005596dc291b90 R14: 0000000000000008 R15: 00005596dc274910
[  417.347797][    C1]  </TASK>
[  417.512798][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  417.741972][   T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.180-syzkaller #0
[  417.749978][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  417.760327][   T27] Call Trace:
[  417.763651][   T27]  <TASK>
[  417.766601][   T27]  dump_stack_lvl+0x1e3/0x2d0
[  417.771337][   T27]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  417.777065][   T27]  ? panic+0x860/0x860
[  417.781185][   T27]  panic+0x318/0x860
[  417.785191][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  417.790866][   T27]  ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[  417.797200][   T27]  ? fb_is_primary_device+0xd0/0xd0
[  417.802438][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  417.808539][   T27]  ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[  417.814736][   T27]  ? nmi_trigger_cpumask_backtrace+0x281/0x2a0
[  417.821039][   T27]  ? nmi_trigger_cpumask_backtrace+0x286/0x2a0
[  417.827233][   T27]  watchdog+0xeb0/0xeb0
[  417.831616][   T27]  kthread+0x3f6/0x4f0
[  417.835711][   T27]  ? hungtask_pm_notify+0x50/0x50
[  417.840758][   T27]  ? kthread_blkcg+0xd0/0xd0
[  417.845374][   T27]  ret_from_fork+0x1f/0x30
[  417.849857][   T27]  </TASK>
[  417.853192][   T27] Kernel Offset: disabled
[  417.857646][   T27] Rebooting in 86400 seconds..