0
[  413.498622][ T4799]  gfs2_get_tree+0x50/0x210
[  413.503156][ T4799]  ? bpf_lsm_capable+0x5/0x10
[  413.507879][ T4799]  vfs_get_tree+0x88/0x270
[  413.512328][ T4799]  do_new_mount+0x2ba/0xb40
[  413.516855][ T4799]  ? do_move_mount_old+0x160/0x160
[  413.521987][ T4799]  ? user_path_at_empty+0x12b/0x180
[  413.527238][ T4799]  __se_sys_mount+0x2d5/0x3c0
[  413.531939][ T4799]  ? __x64_sys_mount+0xc0/0xc0
[  413.536723][ T4799]  ? syscall_enter_from_user_mode+0x2e/0x240
[  413.542738][ T4799]  ? lockdep_hardirqs_on+0x94/0x130
[  413.547962][ T4799]  ? __x64_sys_mount+0x1c/0xc0
[  413.552754][ T4799]  do_syscall_64+0x3b/0xb0
[  413.557232][ T4799]  ? clear_bhb_loop+0x15/0x70
[  413.561928][ T4799]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  413.567844][ T4799] RIP: 0033:0x7fadda50af5a
[  413.572277][ T4799] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  413.591895][ T4799] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  413.600346][ T4799] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  413.608331][ T4799] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  413.616324][ T4799] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  413.624319][ T4799] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  413.632317][ T4799] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  413.640331][ T4799]  </TASK>
[  413.643705][ T4799] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  413.656890][ T4799] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  413.666145][ T4800] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  413.673562][ T4800] CPU: 1 PID: 4800 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  413.682173][ T4800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  413.692247][ T4800] Call Trace:
[  413.695548][ T4800]  <TASK>
[  413.698490][ T4800]  dump_stack_lvl+0x1e3/0x2d0
[  413.703189][ T4800]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  413.708847][ T4800]  ? panic+0x860/0x860
[  413.712935][ T4800]  ? sysfs_create_dir_ns+0x282/0x390
[  413.718255][ T4800]  sysfs_create_dir_ns+0x2c6/0x390
[  413.723403][ T4800]  ? sysfs_warn_dup+0xa0/0xa0
[  413.728099][ T4800]  ? do_raw_spin_unlock+0x137/0x8b0
[  413.733336][ T4800]  ? kobject_set_name_vargs+0xca/0x110
[  413.738946][ T4800]  kobject_add_internal+0x6e0/0xe00
[  413.744181][ T4800]  kobject_init_and_add+0x120/0x190
[  413.749398][ T4800]  ? lockdep_softirqs_off+0x420/0x420
executing program
[  413.754792][ T4800]  ? widen_string+0x3a/0x310
[  413.759408][ T4800]  ? kobject_add+0x210/0x210
[  413.764085][ T4800]  ? __init_swait_queue_head+0xaa/0x140
[  413.769658][ T4800]  gfs2_sys_fs_add+0x237/0x4a0
[  413.774554][ T4800]  ? gfs2_recover_set+0x240/0x240
[  413.779606][ T4800]  ? snprintf+0xd6/0x120
[  413.784231][ T4800]  ? vscnprintf+0x80/0x80
[  413.788582][ T4800]  ? read_word_at_a_time+0xe/0x20
[  413.793624][ T4800]  ? strscpy+0x89/0x220
[  413.797802][ T4800]  gfs2_fill_super+0x1299/0x2750
[  413.802780][ T4800]  ? gfs2_reconfigure+0xcf0/0xcf0
[  413.807832][ T4800]  ? ptr_to_hashval+0x60/0x60
[  413.812538][ T4800]  ? up_write+0x19d/0x580
[  413.816911][ T4800]  ? set_blocksize+0x1ec/0x370
[  413.821726][ T4800]  get_tree_bdev+0x3fe/0x620
[  413.826340][ T4800]  ? gfs2_reconfigure+0xcf0/0xcf0
[  413.831385][ T4800]  gfs2_get_tree+0x50/0x210
[  413.835911][ T4800]  ? bpf_lsm_capable+0x5/0x10
[  413.840628][ T4800]  vfs_get_tree+0x88/0x270
[  413.845074][ T4800]  do_new_mount+0x2ba/0xb40
[  413.849607][ T4800]  ? do_move_mount_old+0x160/0x160
[  413.854740][ T4800]  ? user_path_at_empty+0x12b/0x180
[  413.859954][ T4800]  __se_sys_mount+0x2d5/0x3c0
[  413.864664][ T4800]  ? __x64_sys_mount+0xc0/0xc0
[  413.869450][ T4800]  ? syscall_enter_from_user_mode+0x2e/0x240
[  413.875484][ T4800]  ? lockdep_hardirqs_on+0x94/0x130
[  413.880707][ T4800]  ? __x64_sys_mount+0x1c/0xc0
[  413.885509][ T4800]  do_syscall_64+0x3b/0xb0
[  413.889948][ T4800]  ? clear_bhb_loop+0x15/0x70
[  413.894646][ T4800]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  413.900569][ T4800] RIP: 0033:0x7fadda50af5a
[  413.905111][ T4800] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  413.924744][ T4800] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  413.933188][ T4800] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  413.941200][ T4800] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  413.949261][ T4800] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
executing program
[  413.957261][ T4800] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  413.965255][ T4800] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  413.973264][ T4800]  </TASK>
[  413.976491][ T4800] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  413.989670][ T4800] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  414.111311][ T4801] loop0: detected capacity change from 0 to 32768
[  414.191172][ T4801] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  414.198693][ T4801] CPU: 0 PID: 4801 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  414.207321][ T4801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  414.217395][ T4801] Call Trace:
[  414.220692][ T4801]  <TASK>
[  414.223635][ T4801]  dump_stack_lvl+0x1e3/0x2d0
[  414.228345][ T4801]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  414.234002][ T4801]  ? panic+0x860/0x860
[  414.238087][ T4801]  ? sysfs_create_dir_ns+0x282/0x390
[  414.243396][ T4801]  sysfs_create_dir_ns+0x2c6/0x390
[  414.248610][ T4801]  ? sysfs_warn_dup+0xa0/0xa0
[  414.253419][ T4801]  ? do_raw_spin_unlock+0x137/0x8b0
[  414.258640][ T4801]  ? kobject_set_name_vargs+0xca/0x110
[  414.264122][ T4801]  kobject_add_internal+0x6e0/0xe00
[  414.269343][ T4801]  kobject_init_and_add+0x120/0x190
[  414.274558][ T4801]  ? lockdep_softirqs_off+0x420/0x420
[  414.279944][ T4801]  ? widen_string+0x3a/0x310
[  414.284562][ T4801]  ? kobject_add+0x210/0x210
[  414.289169][ T4801]  ? __init_swait_queue_head+0xaa/0x140
[  414.294732][ T4801]  gfs2_sys_fs_add+0x237/0x4a0
[  414.299511][ T4801]  ? gfs2_recover_set+0x240/0x240
[  414.304554][ T4801]  ? snprintf+0xd6/0x120
[  414.308822][ T4801]  ? vscnprintf+0x80/0x80
[  414.313179][ T4801]  ? read_word_at_a_time+0xe/0x20
[  414.318229][ T4801]  ? strscpy+0x89/0x220
[  414.322405][ T4801]  gfs2_fill_super+0x1299/0x2750
[  414.327383][ T4801]  ? gfs2_reconfigure+0xcf0/0xcf0
[  414.332425][ T4801]  ? ptr_to_hashval+0x60/0x60
[  414.337133][ T4801]  ? up_write+0x19d/0x580
executing program
[  414.341502][ T4801]  ? set_blocksize+0x1ec/0x370
[  414.346301][ T4801]  get_tree_bdev+0x3fe/0x620
[  414.350914][ T4801]  ? gfs2_reconfigure+0xcf0/0xcf0
[  414.355959][ T4801]  gfs2_get_tree+0x50/0x210
[  414.360576][ T4801]  ? bpf_lsm_capable+0x5/0x10
[  414.365278][ T4801]  vfs_get_tree+0x88/0x270
[  414.369725][ T4801]  do_new_mount+0x2ba/0xb40
[  414.374259][ T4801]  ? do_move_mount_old+0x160/0x160
[  414.379396][ T4801]  ? user_path_at_empty+0x12b/0x180
[  414.384618][ T4801]  __se_sys_mount+0x2d5/0x3c0
[  414.389316][ T4801]  ? __x64_sys_mount+0xc0/0xc0
[  414.394090][ T4801]  ? syscall_enter_from_user_mode+0x2e/0x240
[  414.400082][ T4801]  ? lockdep_hardirqs_on+0x94/0x130
[  414.405302][ T4801]  ? __x64_sys_mount+0x1c/0xc0
[  414.410091][ T4801]  do_syscall_64+0x3b/0xb0
[  414.414530][ T4801]  ? clear_bhb_loop+0x15/0x70
[  414.419241][ T4801]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  414.425157][ T4801] RIP: 0033:0x7fadda50af5a
[  414.429595][ T4801] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  414.449225][ T4801] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  414.457666][ T4801] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  414.465660][ T4801] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  414.473655][ T4801] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  414.481651][ T4801] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
executing program
executing program
[  414.489650][ T4801] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  414.497661][ T4801]  </TASK>
[  414.501176][ T4801] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  414.514343][ T4801] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  414.560947][ T4802] loop4: detected capacity change from 0 to 32768
[  414.937349][ T4803] loop2: detected capacity change from 0 to 32768
[  415.013600][ T4804] loop1: detected capacity change from 0 to 32768
[  415.036538][ T4803] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  415.043958][ T4803] CPU: 1 PID: 4803 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  415.046229][ T4804] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  415.052564][ T4803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  415.052580][ T4803] Call Trace:
[  415.052589][ T4803]  <TASK>
[  415.052598][ T4803]  dump_stack_lvl+0x1e3/0x2d0
[  415.080850][ T4803]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  415.086502][ T4803]  ? panic+0x860/0x860
[  415.090576][ T4803]  ? sysfs_create_dir_ns+0x282/0x390
[  415.095871][ T4803]  sysfs_create_dir_ns+0x2c6/0x390
[  415.100989][ T4803]  ? sysfs_warn_dup+0xa0/0xa0
[  415.105670][ T4803]  ? do_raw_spin_unlock+0x137/0x8b0
[  415.110908][ T4803]  ? kobject_set_name_vargs+0xca/0x110
[  415.116375][ T4803]  kobject_add_internal+0x6e0/0xe00
[  415.121581][ T4803]  kobject_init_and_add+0x120/0x190
[  415.126782][ T4803]  ? lockdep_softirqs_off+0x420/0x420
[  415.132156][ T4803]  ? widen_string+0x3a/0x310
[  415.136755][ T4803]  ? kobject_add+0x210/0x210
[  415.141351][ T4803]  ? __init_swait_queue_head+0xaa/0x140
[  415.146899][ T4803]  gfs2_sys_fs_add+0x237/0x4a0
[  415.151674][ T4803]  ? gfs2_recover_set+0x240/0x240
[  415.156700][ T4803]  ? snprintf+0xd6/0x120
[  415.160954][ T4803]  ? vscnprintf+0x80/0x80
[  415.165291][ T4803]  ? read_word_at_a_time+0xe/0x20
[  415.170315][ T4803]  ? strscpy+0x89/0x220
[  415.174476][ T4803]  gfs2_fill_super+0x1299/0x2750
[  415.179435][ T4803]  ? gfs2_reconfigure+0xcf0/0xcf0
[  415.184466][ T4803]  ? ptr_to_hashval+0x60/0x60
[  415.189161][ T4803]  ? up_write+0x19d/0x580
[  415.193510][ T4803]  ? set_blocksize+0x1ec/0x370
[  415.198284][ T4803]  get_tree_bdev+0x3fe/0x620
[  415.202877][ T4803]  ? gfs2_reconfigure+0xcf0/0xcf0
[  415.207923][ T4803]  gfs2_get_tree+0x50/0x210
[  415.212430][ T4803]  ? bpf_lsm_capable+0x5/0x10
[  415.217115][ T4803]  vfs_get_tree+0x88/0x270
[  415.221654][ T4803]  do_new_mount+0x2ba/0xb40
[  415.226168][ T4803]  ? do_move_mount_old+0x160/0x160
[  415.231290][ T4803]  ? user_path_at_empty+0x12b/0x180
[  415.236488][ T4803]  __se_sys_mount+0x2d5/0x3c0
[  415.241168][ T4803]  ? __x64_sys_mount+0xc0/0xc0
[  415.245934][ T4803]  ? syscall_enter_from_user_mode+0x2e/0x240
[  415.251915][ T4803]  ? lockdep_hardirqs_on+0x94/0x130
[  415.257132][ T4803]  ? __x64_sys_mount+0x1c/0xc0
[  415.261897][ T4803]  do_syscall_64+0x3b/0xb0
[  415.266318][ T4803]  ? clear_bhb_loop+0x15/0x70
[  415.270997][ T4803]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  415.276905][ T4803] RIP: 0033:0x7fadda50af5a
[  415.281327][ T4803] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  415.300934][ T4803] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  415.309354][ T4803] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  415.317348][ T4803] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  415.325319][ T4803] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  415.333293][ T4803] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  415.341262][ T4803] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  415.349259][ T4803]  </TASK>
[  415.352280][ T4804] CPU: 0 PID: 4804 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  415.352342][ T4803] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  415.360873][ T4804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  415.360887][ T4804] Call Trace:
[  415.360896][ T4804]  <TASK>
[  415.360905][ T4804]  dump_stack_lvl+0x1e3/0x2d0
[  415.374006][ T4803] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  415.384030][ T4804]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  415.384060][ T4804]  ? panic+0x860/0x860
executing program
[  415.390792][ T4805] loop0: detected capacity change from 0 to 32768
[  415.394921][ T4804]  ? sysfs_create_dir_ns+0x282/0x390
[  415.394956][ T4804]  sysfs_create_dir_ns+0x2c6/0x390
[  415.428016][ T4804]  ? sysfs_warn_dup+0xa0/0xa0
[  415.432723][ T4804]  ? do_raw_spin_unlock+0x137/0x8b0
[  415.437954][ T4804]  ? kobject_set_name_vargs+0xca/0x110
[  415.443445][ T4804]  kobject_add_internal+0x6e0/0xe00
[  415.448680][ T4804]  kobject_init_and_add+0x120/0x190
[  415.453910][ T4804]  ? lockdep_softirqs_off+0x420/0x420
[  415.459559][ T4804]  ? widen_string+0x3a/0x310
[  415.464167][ T4804]  ? kobject_add+0x210/0x210
[  415.468780][ T4804]  ? __init_swait_queue_head+0xaa/0x140
[  415.474349][ T4804]  gfs2_sys_fs_add+0x237/0x4a0
[  415.479132][ T4804]  ? gfs2_recover_set+0x240/0x240
[  415.484171][ T4804]  ? snprintf+0xd6/0x120
[  415.488438][ T4804]  ? vscnprintf+0x80/0x80
[  415.492785][ T4804]  ? read_word_at_a_time+0xe/0x20
[  415.497923][ T4804]  ? strscpy+0x89/0x220
[  415.502340][ T4804]  gfs2_fill_super+0x1299/0x2750
[  415.507326][ T4804]  ? gfs2_reconfigure+0xcf0/0xcf0
[  415.512378][ T4804]  ? ptr_to_hashval+0x60/0x60
[  415.517080][ T4804]  ? up_write+0x19d/0x580
[  415.521452][ T4804]  ? set_blocksize+0x1ec/0x370
[  415.526333][ T4804]  get_tree_bdev+0x3fe/0x620
[  415.531029][ T4804]  ? gfs2_reconfigure+0xcf0/0xcf0
[  415.536078][ T4804]  gfs2_get_tree+0x50/0x210
[  415.540599][ T4804]  ? bpf_lsm_capable+0x5/0x10
[  415.545295][ T4804]  vfs_get_tree+0x88/0x270
[  415.549722][ T4804]  do_new_mount+0x2ba/0xb40
[  415.554240][ T4804]  ? do_move_mount_old+0x160/0x160
[  415.559366][ T4804]  ? user_path_at_empty+0x12b/0x180
[  415.564580][ T4804]  __se_sys_mount+0x2d5/0x3c0
[  415.569274][ T4804]  ? __x64_sys_mount+0xc0/0xc0
[  415.574063][ T4804]  ? syscall_enter_from_user_mode+0x2e/0x240
[  415.580057][ T4804]  ? lockdep_hardirqs_on+0x94/0x130
[  415.585281][ T4804]  ? __x64_sys_mount+0x1c/0xc0
[  415.590063][ T4804]  do_syscall_64+0x3b/0xb0
[  415.594495][ T4804]  ? clear_bhb_loop+0x15/0x70
[  415.599189][ T4804]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  415.605102][ T4804] RIP: 0033:0x7fadda50af5a
[  415.609541][ T4804] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  415.629176][ T4804] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  415.637632][ T4804] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  415.645633][ T4804] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  415.653637][ T4804] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  415.661631][ T4804] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  415.669636][ T4804] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  415.677646][ T4804]  </TASK>
[  415.680959][ T4804] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  415.694206][ T4804] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  415.718830][ T4802] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  415.726285][ T4802] CPU: 0 PID: 4802 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  415.734891][ T4802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  415.744963][ T4802] Call Trace:
[  415.748259][ T4802]  <TASK>
[  415.751196][ T4802]  dump_stack_lvl+0x1e3/0x2d0
[  415.755893][ T4802]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  415.761721][ T4802]  ? panic+0x860/0x860
[  415.765809][ T4802]  ? sysfs_create_dir_ns+0x282/0x390
[  415.771118][ T4802]  sysfs_create_dir_ns+0x2c6/0x390
[  415.776248][ T4802]  ? sysfs_warn_dup+0xa0/0xa0
[  415.780938][ T4802]  ? do_raw_spin_unlock+0x137/0x8b0
[  415.786153][ T4802]  ? kobject_set_name_vargs+0xca/0x110
[  415.791647][ T4802]  kobject_add_internal+0x6e0/0xe00
[  415.796867][ T4802]  kobject_init_and_add+0x120/0x190
[  415.802076][ T4802]  ? lockdep_softirqs_off+0x420/0x420
[  415.806147][ T4805] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  415.807461][ T4802]  ? widen_string+0x3a/0x310
[  415.819400][ T4802]  ? kobject_add+0x210/0x210
[  415.823996][ T4802]  ? __init_swait_queue_head+0xaa/0x140
[  415.829576][ T4802]  gfs2_sys_fs_add+0x237/0x4a0
[  415.834341][ T4802]  ? gfs2_recover_set+0x240/0x240
[  415.839370][ T4802]  ? snprintf+0xd6/0x120
[  415.843618][ T4802]  ? vscnprintf+0x80/0x80
[  415.847955][ T4802]  ? read_word_at_a_time+0xe/0x20
[  415.852980][ T4802]  ? strscpy+0x89/0x220
[  415.857140][ T4802]  gfs2_fill_super+0x1299/0x2750
[  415.862098][ T4802]  ? gfs2_reconfigure+0xcf0/0xcf0
[  415.867120][ T4802]  ? ptr_to_hashval+0x60/0x60
[  415.871795][ T4802]  ? up_write+0x19d/0x580
[  415.876138][ T4802]  ? set_blocksize+0x1ec/0x370
[  415.880932][ T4802]  get_tree_bdev+0x3fe/0x620
[  415.885530][ T4802]  ? gfs2_reconfigure+0xcf0/0xcf0
[  415.890602][ T4802]  gfs2_get_tree+0x50/0x210
[  415.895122][ T4802]  ? bpf_lsm_capable+0x5/0x10
[  415.899816][ T4802]  vfs_get_tree+0x88/0x270
[  415.904330][ T4802]  do_new_mount+0x2ba/0xb40
[  415.908842][ T4802]  ? do_move_mount_old+0x160/0x160
[  415.913971][ T4802]  ? user_path_at_empty+0x12b/0x180
[  415.919194][ T4802]  __se_sys_mount+0x2d5/0x3c0
[  415.923925][ T4802]  ? __x64_sys_mount+0xc0/0xc0
[  415.928710][ T4802]  ? syscall_enter_from_user_mode+0x2e/0x240
[  415.934696][ T4802]  ? lockdep_hardirqs_on+0x94/0x130
[  415.939910][ T4802]  ? __x64_sys_mount+0x1c/0xc0
[  415.944696][ T4802]  do_syscall_64+0x3b/0xb0
[  415.949212][ T4802]  ? clear_bhb_loop+0x15/0x70
[  415.953895][ T4802]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  415.959800][ T4802] RIP: 0033:0x7fadda50af5a
[  415.964214][ T4802] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  415.983814][ T4802] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  415.992232][ T4802] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  416.000202][ T4802] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  416.008176][ T4802] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  416.016159][ T4802] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  416.024145][ T4802] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  416.032248][ T4802]  </TASK>
[  416.035279][ T4805] CPU: 1 PID: 4805 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  416.035974][ T4802] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  416.043883][ T4805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  416.057078][ T4802] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  416.067109][ T4805] Call Trace:
[  416.067123][ T4805]  <TASK>
[  416.067134][ T4805]  dump_stack_lvl+0x1e3/0x2d0
[  416.067167][ T4805]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  416.090143][ T4805]  ? panic+0x860/0x860
[  416.094244][ T4805]  ? sysfs_create_dir_ns+0x282/0x390
[  416.099572][ T4805]  sysfs_create_dir_ns+0x2c6/0x390
[  416.104888][ T4805]  ? sysfs_warn_dup+0xa0/0xa0
[  416.109603][ T4805]  ? do_raw_spin_unlock+0x137/0x8b0
[  416.114819][ T4805]  ? kobject_set_name_vargs+0xca/0x110
[  416.120298][ T4805]  kobject_add_internal+0x6e0/0xe00
[  416.125495][ T4805]  kobject_init_and_add+0x120/0x190
[  416.130689][ T4805]  ? lockdep_softirqs_off+0x420/0x420
[  416.136087][ T4805]  ? widen_string+0x3a/0x310
[  416.140694][ T4805]  ? kobject_add+0x210/0x210
[  416.145285][ T4805]  ? __init_swait_queue_head+0xaa/0x140
[  416.150831][ T4805]  gfs2_sys_fs_add+0x237/0x4a0
[  416.155606][ T4805]  ? gfs2_recover_set+0x240/0x240
[  416.160627][ T4805]  ? snprintf+0xd6/0x120
[  416.164867][ T4805]  ? vscnprintf+0x80/0x80
[  416.169216][ T4805]  ? read_word_at_a_time+0xe/0x20
[  416.174238][ T4805]  ? strscpy+0x89/0x220
[  416.178441][ T4805]  gfs2_fill_super+0x1299/0x2750
[  416.183401][ T4805]  ? gfs2_reconfigure+0xcf0/0xcf0
[  416.188417][ T4805]  ? ptr_to_hashval+0x60/0x60
[  416.193089][ T4805]  ? up_write+0x19d/0x580
[  416.197433][ T4805]  ? set_blocksize+0x1ec/0x370
[  416.202208][ T4805]  get_tree_bdev+0x3fe/0x620
[  416.206793][ T4805]  ? gfs2_reconfigure+0xcf0/0xcf0
[  416.211816][ T4805]  gfs2_get_tree+0x50/0x210
[  416.216312][ T4805]  ? bpf_lsm_capable+0x5/0x10
[  416.220988][ T4805]  vfs_get_tree+0x88/0x270
[  416.225397][ T4805]  do_new_mount+0x2ba/0xb40
[  416.230011][ T4805]  ? do_move_mount_old+0x160/0x160
[  416.235133][ T4805]  ? user_path_at_empty+0x12b/0x180
[  416.240343][ T4805]  __se_sys_mount+0x2d5/0x3c0
[  416.245018][ T4805]  ? __x64_sys_mount+0xc0/0xc0
[  416.249790][ T4805]  ? syscall_enter_from_user_mode+0x2e/0x240
[  416.255775][ T4805]  ? lockdep_hardirqs_on+0x94/0x130
[  416.260972][ T4805]  ? __x64_sys_mount+0x1c/0xc0
[  416.265728][ T4805]  do_syscall_64+0x3b/0xb0
[  416.270163][ T4805]  ? clear_bhb_loop+0x15/0x70
[  416.274840][ T4805]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  416.280737][ T4805] RIP: 0033:0x7fadda50af5a
[  416.285155][ T4805] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  416.304851][ T4805] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  416.313264][ T4805] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  416.321231][ T4805] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  416.329199][ T4805] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  416.337169][ T4805] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  416.345137][ T4805] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  416.353202][ T4805]  </TASK>
[  416.356534][ T4805] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
[  416.369667][ T4805] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  416.377688][ T4806] loop2: detected capacity change from 0 to 32768
[  416.657189][ T4806] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  416.665136][ T4806] CPU: 1 PID: 4806 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  416.673740][ T4806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  416.683829][ T4806] Call Trace:
[  416.687118][ T4806]  <TASK>
[  416.689103][ T4807] loop4: detected capacity change from 0 to 32768
[  416.690114][ T4806]  dump_stack_lvl+0x1e3/0x2d0
[  416.701198][ T4806]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  416.706862][ T4806]  ? panic+0x860/0x860
[  416.710956][ T4806]  ? sysfs_create_dir_ns+0x282/0x390
[  416.716283][ T4806]  sysfs_create_dir_ns+0x2c6/0x390
[  416.721519][ T4806]  ? sysfs_warn_dup+0xa0/0xa0
[  416.726270][ T4806]  ? do_raw_spin_unlock+0x137/0x8b0
[  416.731500][ T4806]  ? kobject_set_name_vargs+0xca/0x110
[  416.737001][ T4806]  kobject_add_internal+0x6e0/0xe00
[  416.742413][ T4806]  kobject_init_and_add+0x120/0x190
[  416.747651][ T4806]  ? lockdep_softirqs_off+0x420/0x420
[  416.753062][ T4806]  ? kobject_add+0x210/0x210
[  416.757730][ T4806]  ? __init_swait_queue_head+0xaa/0x140
[  416.763344][ T4806]  gfs2_sys_fs_add+0x237/0x4a0
[  416.768139][ T4806]  ? gfs2_recover_set+0x240/0x240
[  416.773189][ T4806]  ? snprintf+0xd6/0x120
[  416.777471][ T4806]  ? vscnprintf+0x80/0x80
[  416.781839][ T4806]  ? read_word_at_a_time+0xe/0x20
[  416.786904][ T4806]  ? strscpy+0x89/0x220
[  416.791087][ T4806]  gfs2_fill_super+0x1299/0x2750
[  416.796070][ T4806]  ? gfs2_reconfigure+0xcf0/0xcf0
[  416.801110][ T4806]  ? ptr_to_hashval+0x60/0x60
[  416.805800][ T4806]  ? up_write+0x19d/0x580
[  416.810154][ T4806]  ? set_blocksize+0x1ec/0x370
[  416.814940][ T4806]  get_tree_bdev+0x3fe/0x620
[  416.819542][ T4806]  ? gfs2_reconfigure+0xcf0/0xcf0
[  416.824574][ T4806]  gfs2_get_tree+0x50/0x210
[  416.829084][ T4806]  ? bpf_lsm_capable+0x5/0x10
[  416.833774][ T4806]  vfs_get_tree+0x88/0x270
[  416.838227][ T4806]  do_new_mount+0x2ba/0xb40
[  416.842754][ T4806]  ? do_move_mount_old+0x160/0x160
[  416.847981][ T4806]  ? user_path_at_empty+0x12b/0x180
[  416.853194][ T4806]  __se_sys_mount+0x2d5/0x3c0
[  416.857896][ T4806]  ? __x64_sys_mount+0xc0/0xc0
[  416.862675][ T4806]  ? syscall_enter_from_user_mode+0x2e/0x240
[  416.868670][ T4806]  ? lockdep_hardirqs_on+0x94/0x130
[  416.873885][ T4806]  ? __x64_sys_mount+0x1c/0xc0
[  416.878670][ T4806]  do_syscall_64+0x3b/0xb0
[  416.883108][ T4806]  ? clear_bhb_loop+0x15/0x70
[  416.887804][ T4806]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  416.893713][ T4806] RIP: 0033:0x7fadda50af5a
[  416.898143][ T4806] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  416.917765][ T4806] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  416.926201][ T4806] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  416.934183][ T4806] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  416.942168][ T4806] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  416.950168][ T4806] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
executing program
executing program
executing program
[  416.958150][ T4806] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  416.966160][ T4806]  </TASK>
[  416.969320][ T4806] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  416.982469][ T4806] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  416.996649][ T4808] loop0: detected capacity change from 0 to 32768
[  417.293298][ T4810] loop1: detected capacity change from 0 to 32768
[  417.306180][ T4809] loop2: detected capacity change from 0 to 32768
[  417.313129][ T4807] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  417.320694][ T4807] CPU: 0 PID: 4807 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  417.329386][ T4807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  417.339457][ T4807] Call Trace:
[  417.342743][ T4807]  <TASK>
[  417.345685][ T4807]  dump_stack_lvl+0x1e3/0x2d0
[  417.350381][ T4807]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  417.356031][ T4807]  ? panic+0x860/0x860
[  417.360118][ T4807]  ? sysfs_create_dir_ns+0x282/0x390
[  417.365419][ T4807]  sysfs_create_dir_ns+0x2c6/0x390
[  417.370545][ T4807]  ? sysfs_warn_dup+0xa0/0xa0
[  417.375234][ T4807]  ? do_raw_spin_unlock+0x137/0x8b0
[  417.377107][ T4808] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  417.380449][ T4807]  ? kobject_set_name_vargs+0xca/0x110
[  417.393253][ T4807]  kobject_add_internal+0x6e0/0xe00
[  417.398462][ T4807]  kobject_init_and_add+0x120/0x190
[  417.403657][ T4807]  ? lockdep_softirqs_off+0x420/0x420
[  417.409027][ T4807]  ? widen_string+0x3a/0x310
[  417.413615][ T4807]  ? kobject_add+0x210/0x210
[  417.418206][ T4807]  ? __init_swait_queue_head+0xaa/0x140
[  417.423751][ T4807]  gfs2_sys_fs_add+0x237/0x4a0
[  417.428513][ T4807]  ? gfs2_recover_set+0x240/0x240
[  417.433536][ T4807]  ? snprintf+0xd6/0x120
[  417.437779][ T4807]  ? vscnprintf+0x80/0x80
[  417.442112][ T4807]  ? read_word_at_a_time+0xe/0x20
[  417.447134][ T4807]  ? strscpy+0x89/0x220
[  417.451289][ T4807]  gfs2_fill_super+0x1299/0x2750
[  417.456589][ T4807]  ? gfs2_reconfigure+0xcf0/0xcf0
[  417.461805][ T4807]  ? ptr_to_hashval+0x60/0x60
[  417.466480][ T4807]  ? up_write+0x19d/0x580
[  417.470838][ T4807]  ? set_blocksize+0x1ec/0x370
[  417.474402][ T4810] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  417.475615][ T4807]  get_tree_bdev+0x3fe/0x620
[  417.487534][ T4807]  ? gfs2_reconfigure+0xcf0/0xcf0
[  417.492562][ T4807]  gfs2_get_tree+0x50/0x210
[  417.497063][ T4807]  ? bpf_lsm_capable+0x5/0x10
[  417.501742][ T4807]  vfs_get_tree+0x88/0x270
[  417.506164][ T4807]  do_new_mount+0x2ba/0xb40
[  417.510670][ T4807]  ? do_move_mount_old+0x160/0x160
[  417.515779][ T4807]  ? user_path_at_empty+0x12b/0x180
[  417.521003][ T4807]  __se_sys_mount+0x2d5/0x3c0
[  417.525771][ T4807]  ? __x64_sys_mount+0xc0/0xc0
[  417.530535][ T4807]  ? syscall_enter_from_user_mode+0x2e/0x240
[  417.536512][ T4807]  ? lockdep_hardirqs_on+0x94/0x130
[  417.541712][ T4807]  ? __x64_sys_mount+0x1c/0xc0
[  417.546479][ T4807]  do_syscall_64+0x3b/0xb0
[  417.550896][ T4807]  ? clear_bhb_loop+0x15/0x70
[  417.555574][ T4807]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  417.561465][ T4807] RIP: 0033:0x7fadda50af5a
[  417.565881][ T4807] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  417.585488][ T4807] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  417.593900][ T4807] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  417.601955][ T4807] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  417.609945][ T4807] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  417.617915][ T4807] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  417.625881][ T4807] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  417.633884][ T4807]  </TASK>
[  417.636898][ T4810] CPU: 1 PID: 4810 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  417.637182][ T4807] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  417.645491][ T4810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  417.645506][ T4810] Call Trace:
[  417.645513][ T4810]  <TASK>
[  417.645522][ T4810]  dump_stack_lvl+0x1e3/0x2d0
[  417.658653][ T4807] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  417.668661][ T4810]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  417.668691][ T4810]  ? panic+0x860/0x860
[  417.676098][ T4809] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  417.679578][ T4810]  ? sysfs_create_dir_ns+0x282/0x390
[  417.708509][ T4810]  sysfs_create_dir_ns+0x2c6/0x390
[  417.713642][ T4810]  ? sysfs_warn_dup+0xa0/0xa0
[  417.718319][ T4810]  ? do_raw_spin_unlock+0x137/0x8b0
[  417.723527][ T4810]  ? kobject_set_name_vargs+0xca/0x110
[  417.728989][ T4810]  kobject_add_internal+0x6e0/0xe00
[  417.734193][ T4810]  kobject_init_and_add+0x120/0x190
[  417.739385][ T4810]  ? lockdep_softirqs_off+0x420/0x420
[  417.744755][ T4810]  ? widen_string+0x3a/0x310
[  417.749355][ T4810]  ? kobject_add+0x210/0x210
[  417.753946][ T4810]  ? __init_swait_queue_head+0xaa/0x140
[  417.759487][ T4810]  gfs2_sys_fs_add+0x237/0x4a0
[  417.764251][ T4810]  ? gfs2_recover_set+0x240/0x240
[  417.769274][ T4810]  ? snprintf+0xd6/0x120
[  417.773523][ T4810]  ? vscnprintf+0x80/0x80
[  417.777874][ T4810]  ? read_word_at_a_time+0xe/0x20
[  417.782903][ T4810]  ? strscpy+0x89/0x220
[  417.787063][ T4810]  gfs2_fill_super+0x1299/0x2750
[  417.792022][ T4810]  ? gfs2_reconfigure+0xcf0/0xcf0
[  417.797047][ T4810]  ? ptr_to_hashval+0x60/0x60
[  417.801724][ T4810]  ? up_write+0x19d/0x580
[  417.806062][ T4810]  ? set_blocksize+0x1ec/0x370
[  417.810834][ T4810]  get_tree_bdev+0x3fe/0x620
[  417.815425][ T4810]  ? gfs2_reconfigure+0xcf0/0xcf0
[  417.820452][ T4810]  gfs2_get_tree+0x50/0x210
[  417.824951][ T4810]  ? bpf_lsm_capable+0x5/0x10
[  417.829629][ T4810]  vfs_get_tree+0x88/0x270
[  417.834045][ T4810]  do_new_mount+0x2ba/0xb40
[  417.838726][ T4810]  ? do_move_mount_old+0x160/0x160
[  417.843856][ T4810]  ? user_path_at_empty+0x12b/0x180
[  417.849071][ T4810]  __se_sys_mount+0x2d5/0x3c0
[  417.853752][ T4810]  ? __x64_sys_mount+0xc0/0xc0
[  417.858515][ T4810]  ? syscall_enter_from_user_mode+0x2e/0x240
[  417.864496][ T4810]  ? lockdep_hardirqs_on+0x94/0x130
[  417.869697][ T4810]  ? __x64_sys_mount+0x1c/0xc0
[  417.874483][ T4810]  do_syscall_64+0x3b/0xb0
[  417.878947][ T4810]  ? clear_bhb_loop+0x15/0x70
[  417.883640][ T4810]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  417.889541][ T4810] RIP: 0033:0x7fadda50af5a
[  417.893981][ T4810] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  417.913585][ T4810] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  417.922006][ T4810] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  417.929978][ T4810] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  417.937951][ T4810] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  417.945953][ T4810] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  417.953937][ T4810] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  417.961924][ T4810]  </TASK>
[  417.964962][ T4809] CPU: 0 PID: 4809 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  417.965471][ T4810] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  417.973659][ T4809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  417.986785][ T4810] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  417.996794][ T4809] Call Trace:
[  417.996804][ T4809]  <TASK>
[  417.996814][ T4809]  dump_stack_lvl+0x1e3/0x2d0
[  418.014200][ T4809]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  418.019855][ T4809]  ? panic+0x860/0x860
[  418.023932][ T4809]  ? sysfs_create_dir_ns+0x282/0x390
[  418.029227][ T4809]  sysfs_create_dir_ns+0x2c6/0x390
[  418.034357][ T4809]  ? sysfs_warn_dup+0xa0/0xa0
[  418.039058][ T4809]  ? do_raw_spin_unlock+0x137/0x8b0
[  418.044274][ T4809]  ? kobject_set_name_vargs+0xca/0x110
[  418.049745][ T4809]  kobject_add_internal+0x6e0/0xe00
[  418.054955][ T4809]  kobject_init_and_add+0x120/0x190
[  418.060154][ T4809]  ? lockdep_softirqs_off+0x420/0x420
[  418.065525][ T4809]  ? widen_string+0x3a/0x310
[  418.070120][ T4809]  ? kobject_add+0x210/0x210
[  418.074716][ T4809]  ? __init_swait_queue_head+0xaa/0x140
[  418.080264][ T4809]  gfs2_sys_fs_add+0x237/0x4a0
[  418.085046][ T4809]  ? gfs2_recover_set+0x240/0x240
[  418.090066][ T4809]  ? snprintf+0xd6/0x120
[  418.094314][ T4809]  ? vscnprintf+0x80/0x80
[  418.098734][ T4809]  ? read_word_at_a_time+0xe/0x20
[  418.103847][ T4809]  ? strscpy+0x89/0x220
[  418.108005][ T4809]  gfs2_fill_super+0x1299/0x2750
[  418.112960][ T4809]  ? gfs2_reconfigure+0xcf0/0xcf0
[  418.117985][ T4809]  ? ptr_to_hashval+0x60/0x60
[  418.122679][ T4809]  ? up_write+0x19d/0x580
[  418.127042][ T4809]  ? set_blocksize+0x1ec/0x370
[  418.131812][ T4809]  get_tree_bdev+0x3fe/0x620
[  418.136401][ T4809]  ? gfs2_reconfigure+0xcf0/0xcf0
[  418.141427][ T4809]  gfs2_get_tree+0x50/0x210
[  418.145925][ T4809]  ? bpf_lsm_capable+0x5/0x10
[  418.150612][ T4809]  vfs_get_tree+0x88/0x270
[  418.155028][ T4809]  do_new_mount+0x2ba/0xb40
[  418.159535][ T4809]  ? do_move_mount_old+0x160/0x160
[  418.164646][ T4809]  ? user_path_at_empty+0x12b/0x180
[  418.169843][ T4809]  __se_sys_mount+0x2d5/0x3c0
[  418.174525][ T4809]  ? __x64_sys_mount+0xc0/0xc0
[  418.179289][ T4809]  ? syscall_enter_from_user_mode+0x2e/0x240
[  418.185266][ T4809]  ? lockdep_hardirqs_on+0x94/0x130
[  418.190466][ T4809]  ? __x64_sys_mount+0x1c/0xc0
[  418.195228][ T4809]  do_syscall_64+0x3b/0xb0
[  418.199641][ T4809]  ? clear_bhb_loop+0x15/0x70
[  418.204338][ T4809]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  418.210234][ T4809] RIP: 0033:0x7fadda50af5a
[  418.214649][ T4809] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  418.234250][ T4809] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  418.242661][ T4809] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  418.250632][ T4809] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  418.258601][ T4809] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  418.266572][ T4809] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  418.274546][ T4809] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  418.282534][ T4809]  </TASK>
[  418.285551][ T4808] CPU: 1 PID: 4808 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  418.285846][ T4809] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  418.294159][ T4808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  418.294174][ T4808] Call Trace:
[  418.294182][ T4808]  <TASK>
[  418.294191][ T4808]  dump_stack_lvl+0x1e3/0x2d0
[  418.307339][ T4809] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  418.317340][ T4808]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  418.340360][ T4808]  ? panic+0x860/0x860
[  418.344461][ T4808]  ? sysfs_create_dir_ns+0x282/0x390
[  418.349777][ T4808]  sysfs_create_dir_ns+0x2c6/0x390
[  418.354911][ T4808]  ? sysfs_warn_dup+0xa0/0xa0
[  418.359609][ T4808]  ? do_raw_spin_unlock+0x137/0x8b0
[  418.364833][ T4808]  ? kobject_set_name_vargs+0xca/0x110
[  418.370315][ T4808]  kobject_add_internal+0x6e0/0xe00
[  418.375543][ T4808]  kobject_init_and_add+0x120/0x190
[  418.380761][ T4808]  ? lockdep_softirqs_off+0x420/0x420
[  418.386193][ T4808]  ? widen_string+0x3a/0x310
[  418.390808][ T4808]  ? kobject_add+0x210/0x210
[  418.395422][ T4808]  ? __init_swait_queue_head+0xaa/0x140
[  418.400996][ T4808]  gfs2_sys_fs_add+0x237/0x4a0
[  418.405787][ T4808]  ? gfs2_recover_set+0x240/0x240
[  418.410839][ T4808]  ? snprintf+0xd6/0x120
[  418.415078][ T4808]  ? vscnprintf+0x80/0x80
[  418.419405][ T4808]  ? read_word_at_a_time+0xe/0x20
[  418.424422][ T4808]  ? strscpy+0x89/0x220
[  418.428592][ T4808]  gfs2_fill_super+0x1299/0x2750
[  418.433625][ T4808]  ? gfs2_reconfigure+0xcf0/0xcf0
[  418.438644][ T4808]  ? ptr_to_hashval+0x60/0x60
[  418.443320][ T4808]  ? up_write+0x19d/0x580
[  418.447661][ T4808]  ? set_blocksize+0x1ec/0x370
[  418.452426][ T4808]  get_tree_bdev+0x3fe/0x620
[  418.457009][ T4808]  ? gfs2_reconfigure+0xcf0/0xcf0
[  418.462046][ T4808]  gfs2_get_tree+0x50/0x210
[  418.466541][ T4808]  ? bpf_lsm_capable+0x5/0x10
[  418.471211][ T4808]  vfs_get_tree+0x88/0x270
[  418.475624][ T4808]  do_new_mount+0x2ba/0xb40
[  418.480130][ T4808]  ? do_move_mount_old+0x160/0x160
[  418.485234][ T4808]  ? user_path_at_empty+0x12b/0x180
[  418.490427][ T4808]  __se_sys_mount+0x2d5/0x3c0
[  418.495098][ T4808]  ? __x64_sys_mount+0xc0/0xc0
[  418.499854][ T4808]  ? syscall_enter_from_user_mode+0x2e/0x240
[  418.505862][ T4808]  ? lockdep_hardirqs_on+0x94/0x130
[  418.511058][ T4808]  ? __x64_sys_mount+0x1c/0xc0
[  418.515824][ T4808]  do_syscall_64+0x3b/0xb0
[  418.520232][ T4808]  ? clear_bhb_loop+0x15/0x70
[  418.524904][ T4808]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  418.530786][ T4808] RIP: 0033:0x7fadda50af5a
[  418.535192][ T4808] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  418.554873][ T4808] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  418.563293][ T4808] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  418.571368][ T4808] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  418.579333][ T4808] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  418.587296][ T4808] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  418.595265][ T4808] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  418.603240][ T4808]  </TASK>
[  418.606441][ T4808] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  418.619602][ T4808] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
executing program
[  419.001624][ T4811] loop4: detected capacity change from 0 to 32768
executing program
[  419.295254][ T4813] loop0: detected capacity change from 0 to 32768
[  419.321114][ T4814] loop2: detected capacity change from 0 to 32768
[  419.361236][ T4811] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  419.368763][ T4811] CPU: 0 PID: 4811 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  419.377370][ T4811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  419.387456][ T4811] Call Trace:
[  419.390749][ T4811]  <TASK>
[  419.393692][ T4811]  dump_stack_lvl+0x1e3/0x2d0
[  419.398421][ T4811]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  419.404071][ T4811]  ? panic+0x860/0x860
[  419.408156][ T4811]  ? sysfs_create_dir_ns+0x282/0x390
[  419.413472][ T4811]  sysfs_create_dir_ns+0x2c6/0x390
[  419.418617][ T4811]  ? sysfs_warn_dup+0xa0/0xa0
[  419.423323][ T4811]  ? do_raw_spin_unlock+0x137/0x8b0
[  419.428551][ T4811]  ? kobject_set_name_vargs+0xca/0x110
[  419.434050][ T4811]  kobject_add_internal+0x6e0/0xe00
[  419.439265][ T4811]  kobject_init_and_add+0x120/0x190
[  419.444459][ T4811]  ? lockdep_softirqs_off+0x420/0x420
[  419.449828][ T4811]  ? widen_string+0x3a/0x310
[  419.454430][ T4811]  ? kobject_add+0x210/0x210
[  419.459018][ T4811]  ? __init_swait_queue_head+0xaa/0x140
[  419.464576][ T4811]  gfs2_sys_fs_add+0x237/0x4a0
[  419.469339][ T4811]  ? gfs2_recover_set+0x240/0x240
[  419.474372][ T4811]  ? snprintf+0xd6/0x120
[  419.478618][ T4811]  ? vscnprintf+0x80/0x80
[  419.482943][ T4811]  ? read_word_at_a_time+0xe/0x20
[  419.487961][ T4811]  ? strscpy+0x89/0x220
[  419.492135][ T4811]  gfs2_fill_super+0x1299/0x2750
[  419.497097][ T4811]  ? gfs2_reconfigure+0xcf0/0xcf0
[  419.502114][ T4811]  ? ptr_to_hashval+0x60/0x60
[  419.506785][ T4811]  ? up_write+0x19d/0x580
[  419.511124][ T4811]  ? set_blocksize+0x1ec/0x370
[  419.515890][ T4811]  get_tree_bdev+0x3fe/0x620
[  419.520477][ T4811]  ? gfs2_reconfigure+0xcf0/0xcf0
[  419.525582][ T4811]  gfs2_get_tree+0x50/0x210
[  419.530078][ T4811]  ? bpf_lsm_capable+0x5/0x10
[  419.534767][ T4811]  vfs_get_tree+0x88/0x270
[  419.539176][ T4811]  do_new_mount+0x2ba/0xb40
[  419.543680][ T4811]  ? do_move_mount_old+0x160/0x160
[  419.548798][ T4811]  ? user_path_at_empty+0x12b/0x180
[  419.553992][ T4811]  __se_sys_mount+0x2d5/0x3c0
[  419.558666][ T4811]  ? __x64_sys_mount+0xc0/0xc0
[  419.563423][ T4811]  ? syscall_enter_from_user_mode+0x2e/0x240
[  419.569392][ T4811]  ? lockdep_hardirqs_on+0x94/0x130
[  419.574584][ T4811]  ? __x64_sys_mount+0x1c/0xc0
[  419.579356][ T4811]  do_syscall_64+0x3b/0xb0
[  419.583767][ T4811]  ? clear_bhb_loop+0x15/0x70
[  419.588433][ T4811]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  419.594321][ T4811] RIP: 0033:0x7fadda50af5a
[  419.598830][ T4811] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  419.618426][ T4811] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  419.626837][ T4811] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  419.634848][ T4811] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  419.642826][ T4811] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  419.650860][ T4811] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  419.658847][ T4811] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  419.666856][ T4811]  </TASK>
[  419.670391][ T4813] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  419.677845][ T4811] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  419.690994][ T4811] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  419.699231][ T4813] CPU: 0 PID: 4813 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  419.707841][ T4813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  419.718011][ T4813] Call Trace:
[  419.721307][ T4813]  <TASK>
[  419.724251][ T4813]  dump_stack_lvl+0x1e3/0x2d0
[  419.728955][ T4813]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  419.734616][ T4813]  ? panic+0x860/0x860
[  419.738715][ T4813]  ? sysfs_create_dir_ns+0x282/0x390
[  419.744032][ T4813]  sysfs_create_dir_ns+0x2c6/0x390
[  419.749176][ T4813]  ? sysfs_warn_dup+0xa0/0xa0
[  419.753877][ T4813]  ? do_raw_spin_unlock+0x137/0x8b0
[  419.759097][ T4813]  ? kobject_set_name_vargs+0xca/0x110
[  419.764590][ T4813]  kobject_add_internal+0x6e0/0xe00
[  419.769813][ T4813]  kobject_init_and_add+0x120/0x190
[  419.775030][ T4813]  ? lockdep_softirqs_off+0x420/0x420
[  419.780421][ T4813]  ? widen_string+0x3a/0x310
[  419.785066][ T4813]  ? kobject_add+0x210/0x210
[  419.789674][ T4813]  ? __init_swait_queue_head+0xaa/0x140
[  419.795244][ T4813]  gfs2_sys_fs_add+0x237/0x4a0
[  419.800028][ T4813]  ? gfs2_recover_set+0x240/0x240
[  419.805065][ T4813]  ? snprintf+0xd6/0x120
[  419.809334][ T4813]  ? vscnprintf+0x80/0x80
[  419.813689][ T4813]  ? read_word_at_a_time+0xe/0x20
[  419.818724][ T4813]  ? strscpy+0x89/0x220
[  419.822899][ T4813]  gfs2_fill_super+0x1299/0x2750
[  419.827872][ T4813]  ? gfs2_reconfigure+0xcf0/0xcf0
[  419.832909][ T4813]  ? ptr_to_hashval+0x60/0x60
[  419.837604][ T4813]  ? up_write+0x19d/0x580
[  419.841967][ T4813]  ? set_blocksize+0x1ec/0x370
[  419.846756][ T4813]  get_tree_bdev+0x3fe/0x620
[  419.851369][ T4813]  ? gfs2_reconfigure+0xcf0/0xcf0
[  419.856420][ T4813]  gfs2_get_tree+0x50/0x210
[  419.860935][ T4813]  ? bpf_lsm_capable+0x5/0x10
[  419.865629][ T4813]  vfs_get_tree+0x88/0x270
[  419.867682][ T4812] loop1: detected capacity change from 0 to 32768
[  419.870053][ T4813]  do_new_mount+0x2ba/0xb40
[  419.880970][ T4813]  ? do_move_mount_old+0x160/0x160
[  419.886110][ T4813]  ? user_path_at_empty+0x12b/0x180
[  419.891326][ T4813]  __se_sys_mount+0x2d5/0x3c0
[  419.896012][ T4813]  ? __x64_sys_mount+0xc0/0xc0
[  419.900769][ T4813]  ? syscall_enter_from_user_mode+0x2e/0x240
[  419.906751][ T4813]  ? lockdep_hardirqs_on+0x94/0x130
[  419.911948][ T4813]  ? __x64_sys_mount+0x1c/0xc0
[  419.916706][ T4813]  do_syscall_64+0x3b/0xb0
[  419.921292][ T4813]  ? clear_bhb_loop+0x15/0x70
[  419.925976][ T4813]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  419.931869][ T4813] RIP: 0033:0x7fadda50af5a
[  419.936286][ T4813] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  419.955888][ T4813] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  419.964299][ T4813] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  419.972266][ T4813] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  419.980228][ T4813] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  419.988200][ T4813] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  419.996180][ T4813] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  420.004174][ T4813]  </TASK>
[  420.007286][ T4813] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  420.020562][ T4813] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  420.033458][ T4814] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  420.042386][ T4814] CPU: 0 PID: 4814 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  420.046463][ T4812] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  420.051089][ T4814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  420.068507][ T4814] Call Trace:
[  420.071793][ T4814]  <TASK>
[  420.074730][ T4814]  dump_stack_lvl+0x1e3/0x2d0
[  420.079415][ T4814]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  420.085064][ T4814]  ? panic+0x860/0x860
[  420.089159][ T4814]  ? sysfs_create_dir_ns+0x282/0x390
[  420.094458][ T4814]  sysfs_create_dir_ns+0x2c6/0x390
[  420.099586][ T4814]  ? sysfs_warn_dup+0xa0/0xa0
[  420.104271][ T4814]  ? do_raw_spin_unlock+0x137/0x8b0
[  420.109474][ T4814]  ? kobject_set_name_vargs+0xca/0x110
[  420.114949][ T4814]  kobject_add_internal+0x6e0/0xe00
[  420.120180][ T4814]  kobject_init_and_add+0x120/0x190
[  420.125387][ T4814]  ? lockdep_softirqs_off+0x420/0x420
[  420.130764][ T4814]  ? widen_string+0x3a/0x310
[  420.135366][ T4814]  ? kobject_add+0x210/0x210
[  420.139958][ T4814]  ? __init_swait_queue_head+0xaa/0x140
[  420.145509][ T4814]  gfs2_sys_fs_add+0x237/0x4a0
[  420.150283][ T4814]  ? gfs2_recover_set+0x240/0x240
[  420.155309][ T4814]  ? snprintf+0xd6/0x120
[  420.159558][ T4814]  ? vscnprintf+0x80/0x80
[  420.163894][ T4814]  ? read_word_at_a_time+0xe/0x20
[  420.168917][ T4814]  ? strscpy+0x89/0x220
[  420.173083][ T4814]  gfs2_fill_super+0x1299/0x2750
[  420.178050][ T4814]  ? gfs2_reconfigure+0xcf0/0xcf0
[  420.183078][ T4814]  ? ptr_to_hashval+0x60/0x60
[  420.187777][ T4814]  ? up_write+0x19d/0x580
[  420.192129][ T4814]  ? set_blocksize+0x1ec/0x370
[  420.196904][ T4814]  get_tree_bdev+0x3fe/0x620
[  420.201504][ T4814]  ? gfs2_reconfigure+0xcf0/0xcf0
[  420.206629][ T4814]  gfs2_get_tree+0x50/0x210
[  420.211133][ T4814]  ? bpf_lsm_capable+0x5/0x10
[  420.215816][ T4814]  vfs_get_tree+0x88/0x270
[  420.220238][ T4814]  do_new_mount+0x2ba/0xb40
[  420.224749][ T4814]  ? do_move_mount_old+0x160/0x160
[  420.229870][ T4814]  ? user_path_at_empty+0x12b/0x180
[  420.235071][ T4814]  __se_sys_mount+0x2d5/0x3c0
[  420.239754][ T4814]  ? __x64_sys_mount+0xc0/0xc0
[  420.244519][ T4814]  ? syscall_enter_from_user_mode+0x2e/0x240
[  420.250498][ T4814]  ? lockdep_hardirqs_on+0x94/0x130
[  420.255700][ T4814]  ? __x64_sys_mount+0x1c/0xc0
[  420.260466][ T4814]  do_syscall_64+0x3b/0xb0
[  420.264886][ T4814]  ? clear_bhb_loop+0x15/0x70
[  420.269566][ T4814]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  420.275463][ T4814] RIP: 0033:0x7fadda50af5a
[  420.279888][ T4814] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  420.299491][ T4814] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  420.307910][ T4814] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  420.315891][ T4814] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  420.323861][ T4814] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  420.331829][ T4814] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  420.339803][ T4814] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  420.347787][ T4814]  </TASK>
[  420.350804][ T4812] CPU: 1 PID: 4812 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  420.350953][ T4814] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  420.359422][ T4812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  420.359438][ T4812] Call Trace:
[  420.359446][ T4812]  <TASK>
[  420.359455][ T4812]  dump_stack_lvl+0x1e3/0x2d0
[  420.372576][ T4814] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  420.382593][ T4812]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  420.382624][ T4812]  ? panic+0x860/0x860
[  420.409673][ T4812]  ? sysfs_create_dir_ns+0x282/0x390
[  420.415002][ T4812]  sysfs_create_dir_ns+0x2c6/0x390
[  420.420140][ T4812]  ? sysfs_warn_dup+0xa0/0xa0
[  420.424843][ T4812]  ? do_raw_spin_unlock+0x137/0x8b0
[  420.430075][ T4812]  ? kobject_set_name_vargs+0xca/0x110
[  420.435568][ T4812]  kobject_add_internal+0x6e0/0xe00
[  420.440800][ T4812]  kobject_init_and_add+0x120/0x190
[  420.446018][ T4812]  ? lockdep_softirqs_off+0x420/0x420
[  420.451427][ T4812]  ? widen_string+0x3a/0x310
[  420.456042][ T4812]  ? kobject_add+0x210/0x210
[  420.460749][ T4812]  ? __init_swait_queue_head+0xaa/0x140
[  420.466324][ T4812]  gfs2_sys_fs_add+0x237/0x4a0
[  420.471142][ T4812]  ? gfs2_recover_set+0x240/0x240
[  420.476190][ T4812]  ? snprintf+0xd6/0x120
[  420.480458][ T4812]  ? vscnprintf+0x80/0x80
[  420.484809][ T4812]  ? read_word_at_a_time+0xe/0x20
[  420.489852][ T4812]  ? strscpy+0x89/0x220
[  420.494028][ T4812]  gfs2_fill_super+0x1299/0x2750
[  420.499003][ T4812]  ? gfs2_reconfigure+0xcf0/0xcf0
[  420.504044][ T4812]  ? ptr_to_hashval+0x60/0x60
[  420.508760][ T4812]  ? up_write+0x19d/0x580
[  420.513133][ T4812]  ? set_blocksize+0x1ec/0x370
[  420.517936][ T4812]  get_tree_bdev+0x3fe/0x620
[  420.522545][ T4812]  ? gfs2_reconfigure+0xcf0/0xcf0
[  420.527598][ T4812]  gfs2_get_tree+0x50/0x210
[  420.532137][ T4812]  ? bpf_lsm_capable+0x5/0x10
[  420.536837][ T4812]  vfs_get_tree+0x88/0x270
[  420.541271][ T4812]  do_new_mount+0x2ba/0xb40
[  420.545810][ T4812]  ? do_move_mount_old+0x160/0x160
[  420.550933][ T4812]  ? user_path_at_empty+0x12b/0x180
[  420.556138][ T4812]  __se_sys_mount+0x2d5/0x3c0
[  420.560831][ T4812]  ? __x64_sys_mount+0xc0/0xc0
[  420.565606][ T4812]  ? syscall_enter_from_user_mode+0x2e/0x240
[  420.571602][ T4812]  ? lockdep_hardirqs_on+0x94/0x130
[  420.576822][ T4812]  ? __x64_sys_mount+0x1c/0xc0
[  420.581608][ T4812]  do_syscall_64+0x3b/0xb0
[  420.586041][ T4812]  ? clear_bhb_loop+0x15/0x70
[  420.590737][ T4812]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  420.596648][ T4812] RIP: 0033:0x7fadda50af5a
[  420.601080][ T4812] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  420.620698][ T4812] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  420.629153][ T4812] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  420.637161][ T4812] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  420.645160][ T4812] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  420.653144][ T4812] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
executing program
executing program
[  420.661127][ T4812] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  420.669128][ T4812]  </TASK>
[  420.672498][ T4812] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  420.685633][ T4812] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
[  420.875366][ T4815] loop2: detected capacity change from 0 to 32768
[  421.213571][ T4818] loop4: detected capacity change from 0 to 32768
[  421.245261][ T4815] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  421.252763][ T4815] CPU: 1 PID: 4815 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  421.261368][ T4815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  421.271438][ T4815] Call Trace:
[  421.274729][ T4815]  <TASK>
[  421.277671][ T4815]  dump_stack_lvl+0x1e3/0x2d0
[  421.282375][ T4815]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  421.288032][ T4815]  ? panic+0x860/0x860
[  421.292121][ T4815]  ? sysfs_create_dir_ns+0x282/0x390
[  421.294244][ T4817] loop0: detected capacity change from 0 to 32768
[  421.297432][ T4815]  sysfs_create_dir_ns+0x2c6/0x390
[  421.308940][ T4815]  ? sysfs_warn_dup+0xa0/0xa0
[  421.313642][ T4815]  ? do_raw_spin_unlock+0x137/0x8b0
[  421.318854][ T4815]  ? kobject_set_name_vargs+0xca/0x110
[  421.324327][ T4815]  kobject_add_internal+0x6e0/0xe00
[  421.329548][ T4815]  kobject_init_and_add+0x120/0x190
[  421.334760][ T4815]  ? lockdep_softirqs_off+0x420/0x420
[  421.335789][ T4816] loop1: detected capacity change from 0 to 32768
[  421.340144][ T4815]  ? widen_string+0x3a/0x310
[  421.351133][ T4815]  ? kobject_add+0x210/0x210
[  421.355745][ T4815]  ? __init_swait_queue_head+0xaa/0x140
[  421.361310][ T4815]  gfs2_sys_fs_add+0x237/0x4a0
[  421.366089][ T4815]  ? gfs2_recover_set+0x240/0x240
[  421.371125][ T4815]  ? snprintf+0xd6/0x120
[  421.375383][ T4815]  ? vscnprintf+0x80/0x80
[  421.379739][ T4815]  ? read_word_at_a_time+0xe/0x20
[  421.384779][ T4815]  ? strscpy+0x89/0x220
[  421.388954][ T4815]  gfs2_fill_super+0x1299/0x2750
[  421.393928][ T4815]  ? gfs2_reconfigure+0xcf0/0xcf0
[  421.398966][ T4815]  ? ptr_to_hashval+0x60/0x60
[  421.403661][ T4815]  ? up_write+0x19d/0x580
[  421.408026][ T4815]  ? set_blocksize+0x1ec/0x370
[  421.412822][ T4815]  get_tree_bdev+0x3fe/0x620
[  421.417430][ T4815]  ? gfs2_reconfigure+0xcf0/0xcf0
[  421.422475][ T4815]  gfs2_get_tree+0x50/0x210
[  421.426990][ T4815]  ? bpf_lsm_capable+0x5/0x10
[  421.431683][ T4815]  vfs_get_tree+0x88/0x270
[  421.436113][ T4815]  do_new_mount+0x2ba/0xb40
[  421.440637][ T4815]  ? do_move_mount_old+0x160/0x160
[  421.445765][ T4815]  ? user_path_at_empty+0x12b/0x180
[  421.450980][ T4815]  __se_sys_mount+0x2d5/0x3c0
[  421.455680][ T4815]  ? __x64_sys_mount+0xc0/0xc0
[  421.460455][ T4815]  ? syscall_enter_from_user_mode+0x2e/0x240
[  421.466472][ T4815]  ? lockdep_hardirqs_on+0x94/0x130
[  421.471670][ T4815]  ? __x64_sys_mount+0x1c/0xc0
[  421.476430][ T4815]  do_syscall_64+0x3b/0xb0
[  421.480839][ T4815]  ? clear_bhb_loop+0x15/0x70
[  421.485506][ T4815]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  421.491417][ T4815] RIP: 0033:0x7fadda50af5a
[  421.495823][ T4815] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  421.515420][ T4815] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  421.523831][ T4815] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  421.531797][ T4815] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  421.539770][ T4815] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  421.547742][ T4815] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  421.555723][ T4815] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  421.563708][ T4815]  </TASK>
[  421.566903][ T4815] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  421.580588][ T4815] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  421.582111][ T4818] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  421.596008][ T4818] CPU: 0 PID: 4818 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  421.604656][ T4818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  421.614731][ T4818] Call Trace:
[  421.618030][ T4818]  <TASK>
[  421.621001][ T4818]  dump_stack_lvl+0x1e3/0x2d0
[  421.625714][ T4818]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  421.631370][ T4818]  ? panic+0x860/0x860
[  421.633332][ T4817] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  421.635461][ T4818]  ? sysfs_create_dir_ns+0x282/0x390
[  421.635496][ T4818]  sysfs_create_dir_ns+0x2c6/0x390
[  421.635526][ T4818]  ? sysfs_warn_dup+0xa0/0xa0
[  421.657946][ T4818]  ? do_raw_spin_unlock+0x137/0x8b0
[  421.663257][ T4818]  ? kobject_set_name_vargs+0xca/0x110
[  421.668729][ T4818]  kobject_add_internal+0x6e0/0xe00
[  421.673940][ T4818]  kobject_init_and_add+0x120/0x190
[  421.679140][ T4818]  ? lockdep_softirqs_off+0x420/0x420
[  421.684510][ T4818]  ? widen_string+0x3a/0x310
[  421.689132][ T4818]  ? kobject_add+0x210/0x210
[  421.693743][ T4818]  ? __init_swait_queue_head+0xaa/0x140
[  421.699291][ T4818]  gfs2_sys_fs_add+0x237/0x4a0
[  421.704079][ T4818]  ? gfs2_recover_set+0x240/0x240
[  421.709103][ T4818]  ? snprintf+0xd6/0x120
[  421.713353][ T4818]  ? vscnprintf+0x80/0x80
[  421.717704][ T4818]  ? read_word_at_a_time+0xe/0x20
[  421.722725][ T4818]  ? strscpy+0x89/0x220
[  421.726884][ T4818]  gfs2_fill_super+0x1299/0x2750
[  421.731845][ T4818]  ? gfs2_reconfigure+0xcf0/0xcf0
[  421.736864][ T4818]  ? ptr_to_hashval+0x60/0x60
[  421.741541][ T4818]  ? up_write+0x19d/0x580
[  421.745883][ T4818]  ? set_blocksize+0x1ec/0x370
[  421.750654][ T4818]  get_tree_bdev+0x3fe/0x620
[  421.755244][ T4818]  ? gfs2_reconfigure+0xcf0/0xcf0
[  421.760273][ T4818]  gfs2_get_tree+0x50/0x210
[  421.764772][ T4818]  ? bpf_lsm_capable+0x5/0x10
[  421.769449][ T4818]  vfs_get_tree+0x88/0x270
[  421.773865][ T4818]  do_new_mount+0x2ba/0xb40
[  421.778370][ T4818]  ? do_move_mount_old+0x160/0x160
[  421.783487][ T4818]  ? user_path_at_empty+0x12b/0x180
[  421.788688][ T4818]  __se_sys_mount+0x2d5/0x3c0
[  421.793374][ T4818]  ? __x64_sys_mount+0xc0/0xc0
[  421.798136][ T4818]  ? syscall_enter_from_user_mode+0x2e/0x240
[  421.804114][ T4818]  ? lockdep_hardirqs_on+0x94/0x130
[  421.809314][ T4818]  ? __x64_sys_mount+0x1c/0xc0
[  421.814087][ T4818]  do_syscall_64+0x3b/0xb0
[  421.818505][ T4818]  ? clear_bhb_loop+0x15/0x70
[  421.823186][ T4818]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  421.829079][ T4818] RIP: 0033:0x7fadda50af5a
[  421.833501][ T4818] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  421.853357][ T4818] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  421.861786][ T4818] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  421.869771][ T4818] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  421.877758][ T4818] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  421.885738][ T4818] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  421.893712][ T4818] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  421.901694][ T4818]  </TASK>
[  421.904840][ T4817] CPU: 1 PID: 4817 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  421.904902][ T4818] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  421.913445][ T4817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  421.926671][ T4818] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  421.936658][ T4817] Call Trace:
[  421.936670][ T4817]  <TASK>
[  421.936680][ T4817]  dump_stack_lvl+0x1e3/0x2d0
[  421.947456][ T4816] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  421.949381][ T4817]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  421.967016][ T4817]  ? panic+0x860/0x860
[  421.971089][ T4817]  ? sysfs_create_dir_ns+0x282/0x390
[  421.976379][ T4817]  sysfs_create_dir_ns+0x2c6/0x390
[  421.981496][ T4817]  ? sysfs_warn_dup+0xa0/0xa0
[  421.986175][ T4817]  ? do_raw_spin_unlock+0x137/0x8b0
[  421.991374][ T4817]  ? kobject_set_name_vargs+0xca/0x110
[  421.996832][ T4817]  kobject_add_internal+0x6e0/0xe00
[  422.002035][ T4817]  kobject_init_and_add+0x120/0x190
[  422.007319][ T4817]  ? lockdep_softirqs_off+0x420/0x420
[  422.012687][ T4817]  ? widen_string+0x3a/0x310
[  422.017278][ T4817]  ? kobject_add+0x210/0x210
[  422.021871][ T4817]  ? __init_swait_queue_head+0xaa/0x140
[  422.027425][ T4817]  gfs2_sys_fs_add+0x237/0x4a0
[  422.032193][ T4817]  ? gfs2_recover_set+0x240/0x240
[  422.037217][ T4817]  ? snprintf+0xd6/0x120
[  422.041468][ T4817]  ? vscnprintf+0x80/0x80
[  422.045799][ T4817]  ? read_word_at_a_time+0xe/0x20
[  422.050824][ T4817]  ? strscpy+0x89/0x220
[  422.054983][ T4817]  gfs2_fill_super+0x1299/0x2750
[  422.059934][ T4817]  ? gfs2_reconfigure+0xcf0/0xcf0
[  422.064987][ T4817]  ? ptr_to_hashval+0x60/0x60
[  422.069666][ T4817]  ? up_write+0x19d/0x580
[  422.074008][ T4817]  ? set_blocksize+0x1ec/0x370
[  422.078779][ T4817]  get_tree_bdev+0x3fe/0x620
[  422.083366][ T4817]  ? gfs2_reconfigure+0xcf0/0xcf0
[  422.088389][ T4817]  gfs2_get_tree+0x50/0x210
[  422.092890][ T4817]  ? bpf_lsm_capable+0x5/0x10
[  422.097572][ T4817]  vfs_get_tree+0x88/0x270
[  422.102007][ T4817]  do_new_mount+0x2ba/0xb40
[  422.106513][ T4817]  ? do_move_mount_old+0x160/0x160
[  422.111628][ T4817]  ? user_path_at_empty+0x12b/0x180
[  422.116826][ T4817]  __se_sys_mount+0x2d5/0x3c0
[  422.121522][ T4817]  ? __x64_sys_mount+0xc0/0xc0
[  422.126282][ T4817]  ? syscall_enter_from_user_mode+0x2e/0x240
[  422.132264][ T4817]  ? lockdep_hardirqs_on+0x94/0x130
[  422.137463][ T4817]  ? __x64_sys_mount+0x1c/0xc0
[  422.142230][ T4817]  do_syscall_64+0x3b/0xb0
[  422.146644][ T4817]  ? clear_bhb_loop+0x15/0x70
[  422.151412][ T4817]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  422.157321][ T4817] RIP: 0033:0x7fadda50af5a
[  422.161734][ T4817] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  422.181525][ T4817] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  422.189941][ T4817] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  422.197914][ T4817] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  422.205889][ T4817] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  422.213862][ T4817] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  422.221827][ T4817] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  422.229897][ T4817]  </TASK>
[  422.232915][ T4816] CPU: 0 PID: 4816 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  422.233075][ T4817] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  422.241515][ T4816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  422.241529][ T4816] Call Trace:
executing program
[  422.241538][ T4816]  <TASK>
[  422.241547][ T4816]  dump_stack_lvl+0x1e3/0x2d0
[  422.275652][ T4816]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  422.281315][ T4816]  ? panic+0x860/0x860
[  422.285411][ T4816]  ? sysfs_create_dir_ns+0x282/0x390
[  422.290723][ T4816]  sysfs_create_dir_ns+0x2c6/0x390
[  422.295861][ T4816]  ? sysfs_warn_dup+0xa0/0xa0
[  422.300559][ T4816]  ? do_raw_spin_unlock+0x137/0x8b0
[  422.305955][ T4816]  ? kobject_set_name_vargs+0xca/0x110
[  422.311448][ T4816]  kobject_add_internal+0x6e0/0xe00
[  422.316680][ T4816]  kobject_init_and_add+0x120/0x190
[  422.321904][ T4816]  ? lockdep_softirqs_off+0x420/0x420
[  422.327304][ T4816]  ? widen_string+0x3a/0x310
[  422.331949][ T4816]  ? kobject_add+0x210/0x210
[  422.336563][ T4816]  ? __init_swait_queue_head+0xaa/0x140
[  422.342132][ T4816]  gfs2_sys_fs_add+0x237/0x4a0
[  422.346946][ T4816]  ? gfs2_recover_set+0x240/0x240
[  422.351997][ T4816]  ? snprintf+0xd6/0x120
[  422.356271][ T4816]  ? vscnprintf+0x80/0x80
[  422.360625][ T4816]  ? read_word_at_a_time+0xe/0x20
[  422.365669][ T4816]  ? strscpy+0x89/0x220
[  422.369855][ T4816]  gfs2_fill_super+0x1299/0x2750
[  422.374849][ T4816]  ? gfs2_reconfigure+0xcf0/0xcf0
[  422.379892][ T4816]  ? ptr_to_hashval+0x60/0x60
[  422.384593][ T4816]  ? up_write+0x19d/0x580
[  422.388958][ T4816]  ? set_blocksize+0x1ec/0x370
[  422.393753][ T4816]  get_tree_bdev+0x3fe/0x620
[  422.398365][ T4816]  ? gfs2_reconfigure+0xcf0/0xcf0
[  422.403410][ T4816]  gfs2_get_tree+0x50/0x210
[  422.407934][ T4816]  ? bpf_lsm_capable+0x5/0x10
[  422.412635][ T4816]  vfs_get_tree+0x88/0x270
[  422.417077][ T4816]  do_new_mount+0x2ba/0xb40
[  422.421609][ T4816]  ? do_move_mount_old+0x160/0x160
[  422.426745][ T4816]  ? user_path_at_empty+0x12b/0x180
[  422.431985][ T4816]  __se_sys_mount+0x2d5/0x3c0
[  422.436689][ T4816]  ? __x64_sys_mount+0xc0/0xc0
[  422.441498][ T4816]  ? syscall_enter_from_user_mode+0x2e/0x240
[  422.447500][ T4816]  ? lockdep_hardirqs_on+0x94/0x130
[  422.452724][ T4816]  ? __x64_sys_mount+0x1c/0xc0
[  422.457516][ T4816]  do_syscall_64+0x3b/0xb0
[  422.462008][ T4816]  ? clear_bhb_loop+0x15/0x70
[  422.466707][ T4816]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  422.472619][ T4816] RIP: 0033:0x7fadda50af5a
[  422.477049][ T4816] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  422.496675][ T4816] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  422.505210][ T4816] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  422.513204][ T4816] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  422.521194][ T4816] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  422.529193][ T4816] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  422.537189][ T4816] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  422.545228][ T4816]  </TASK>
[  422.549466][ T4817] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  422.549484][ T4816] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  422.569208][ T4816] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  422.749161][ T4819] loop4: detected capacity change from 0 to 32768
executing program
[  422.926052][ T4819] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  422.933504][ T4819] CPU: 0 PID: 4819 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  422.942109][ T4819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  422.952176][ T4819] Call Trace:
[  422.955464][ T4819]  <TASK>
[  422.958415][ T4819]  dump_stack_lvl+0x1e3/0x2d0
[  422.963138][ T4819]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  422.968889][ T4819]  ? panic+0x860/0x860
[  422.972991][ T4819]  ? sysfs_create_dir_ns+0x282/0x390
[  422.978317][ T4819]  sysfs_create_dir_ns+0x2c6/0x390
[  422.983455][ T4819]  ? sysfs_warn_dup+0xa0/0xa0
[  422.988161][ T4819]  ? do_raw_spin_unlock+0x137/0x8b0
[  422.993386][ T4819]  ? kobject_set_name_vargs+0xca/0x110
[  422.998882][ T4819]  kobject_add_internal+0x6e0/0xe00
[  423.004113][ T4819]  kobject_init_and_add+0x120/0x190
[  423.009343][ T4819]  ? lockdep_softirqs_off+0x420/0x420
[  423.014737][ T4819]  ? widen_string+0x3a/0x310
[  423.019352][ T4819]  ? kobject_add+0x210/0x210
[  423.023966][ T4819]  ? __init_swait_queue_head+0xaa/0x140
[  423.029554][ T4819]  gfs2_sys_fs_add+0x237/0x4a0
[  423.034341][ T4819]  ? gfs2_recover_set+0x240/0x240
[  423.039382][ T4819]  ? snprintf+0xd6/0x120
[  423.043649][ T4819]  ? vscnprintf+0x80/0x80
[  423.048002][ T4819]  ? read_word_at_a_time+0xe/0x20
[  423.053047][ T4819]  ? strscpy+0x89/0x220
[  423.057221][ T4819]  gfs2_fill_super+0x1299/0x2750
[  423.062198][ T4819]  ? gfs2_reconfigure+0xcf0/0xcf0
[  423.067239][ T4819]  ? ptr_to_hashval+0x60/0x60
[  423.071934][ T4819]  ? up_write+0x19d/0x580
[  423.076312][ T4819]  ? set_blocksize+0x1ec/0x370
[  423.081099][ T4819]  get_tree_bdev+0x3fe/0x620
[  423.085703][ T4819]  ? gfs2_reconfigure+0xcf0/0xcf0
[  423.090745][ T4819]  gfs2_get_tree+0x50/0x210
[  423.095264][ T4819]  ? bpf_lsm_capable+0x5/0x10
[  423.099957][ T4819]  vfs_get_tree+0x88/0x270
[  423.104392][ T4819]  do_new_mount+0x2ba/0xb40
[  423.108912][ T4819]  ? do_move_mount_old+0x160/0x160
[  423.114035][ T4819]  ? user_path_at_empty+0x12b/0x180
[  423.119244][ T4819]  __se_sys_mount+0x2d5/0x3c0
executing program
[  423.123948][ T4819]  ? __x64_sys_mount+0xc0/0xc0
[  423.128722][ T4819]  ? syscall_enter_from_user_mode+0x2e/0x240
[  423.134714][ T4819]  ? lockdep_hardirqs_on+0x94/0x130
[  423.136873][ T4820] loop2: detected capacity change from 0 to 32768
[  423.139925][ T4819]  ? __x64_sys_mount+0x1c/0xc0
[  423.151084][ T4819]  do_syscall_64+0x3b/0xb0
[  423.155522][ T4819]  ? clear_bhb_loop+0x15/0x70
[  423.160216][ T4819]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  423.166123][ T4819] RIP: 0033:0x7fadda50af5a
[  423.170551][ T4819] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  423.190326][ T4819] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  423.198768][ T4819] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  423.206770][ T4819] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  423.214769][ T4819] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  423.222765][ T4819] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  423.230756][ T4819] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  423.238767][ T4819]  </TASK>
[  423.242071][ T4819] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  423.255246][ T4819] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[  423.449425][ T4821] loop0: detected capacity change from 0 to 32768
[  423.617365][ T4822] loop1: detected capacity change from 0 to 32768
[  423.628434][ T4820] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  423.628434][ T4821] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  423.628455][ T4821] CPU: 0 PID: 4821 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  423.651843][ T4821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  423.661893][ T4821] Call Trace:
[  423.665170][ T4821]  <TASK>
[  423.668099][ T4821]  dump_stack_lvl+0x1e3/0x2d0
[  423.672788][ T4821]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  423.678423][ T4821]  ? panic+0x860/0x860
[  423.682490][ T4821]  ? sysfs_create_dir_ns+0x282/0x390
[  423.687781][ T4821]  sysfs_create_dir_ns+0x2c6/0x390
[  423.692896][ T4821]  ? sysfs_warn_dup+0xa0/0xa0
[  423.697759][ T4821]  ? do_raw_spin_unlock+0x137/0x8b0
[  423.703035][ T4821]  ? kobject_set_name_vargs+0xca/0x110
[  423.708606][ T4821]  kobject_add_internal+0x6e0/0xe00
[  423.713816][ T4821]  kobject_init_and_add+0x120/0x190
[  423.719014][ T4821]  ? lockdep_softirqs_off+0x420/0x420
[  423.724390][ T4821]  ? widen_string+0x3a/0x310
[  423.728985][ T4821]  ? kobject_add+0x210/0x210
[  423.733581][ T4821]  ? __init_swait_queue_head+0xaa/0x140
[  423.739126][ T4821]  gfs2_sys_fs_add+0x237/0x4a0
[  423.743889][ T4821]  ? gfs2_recover_set+0x240/0x240
[  423.748907][ T4821]  ? snprintf+0xd6/0x120
[  423.753176][ T4821]  ? vscnprintf+0x80/0x80
[  423.757523][ T4821]  ? read_word_at_a_time+0xe/0x20
[  423.762547][ T4821]  ? strscpy+0x89/0x220
[  423.766706][ T4821]  gfs2_fill_super+0x1299/0x2750
[  423.771657][ T4821]  ? gfs2_reconfigure+0xcf0/0xcf0
[  423.776683][ T4821]  ? ptr_to_hashval+0x60/0x60
[  423.781359][ T4821]  ? up_write+0x19d/0x580
[  423.785703][ T4821]  ? set_blocksize+0x1ec/0x370
[  423.790486][ T4821]  get_tree_bdev+0x3fe/0x620
[  423.795075][ T4821]  ? gfs2_reconfigure+0xcf0/0xcf0
[  423.800107][ T4821]  gfs2_get_tree+0x50/0x210
[  423.804618][ T4821]  ? bpf_lsm_capable+0x5/0x10
[  423.809298][ T4821]  vfs_get_tree+0x88/0x270
[  423.813714][ T4821]  do_new_mount+0x2ba/0xb40
[  423.818225][ T4821]  ? do_move_mount_old+0x160/0x160
[  423.823337][ T4821]  ? user_path_at_empty+0x12b/0x180
[  423.828573][ T4821]  __se_sys_mount+0x2d5/0x3c0
[  423.833280][ T4821]  ? __x64_sys_mount+0xc0/0xc0
[  423.838041][ T4821]  ? syscall_enter_from_user_mode+0x2e/0x240
[  423.844019][ T4821]  ? lockdep_hardirqs_on+0x94/0x130
[  423.849222][ T4821]  ? __x64_sys_mount+0x1c/0xc0
[  423.853985][ T4821]  do_syscall_64+0x3b/0xb0
[  423.858401][ T4821]  ? clear_bhb_loop+0x15/0x70
[  423.863077][ T4821]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  423.868968][ T4821] RIP: 0033:0x7fadda50af5a
[  423.873380][ T4821] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  423.892980][ T4821] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  423.901483][ T4821] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  423.909457][ T4821] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  423.917443][ T4821] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  423.925407][ T4821] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  423.933370][ T4821] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  423.941347][ T4821]  </TASK>
[  423.944358][ T4820] CPU: 1 PID: 4820 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  423.944729][ T4821] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  423.953042][ T4820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  423.966337][ T4821] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  423.976310][ T4820] Call Trace:
[  423.976321][ T4820]  <TASK>
[  423.976330][ T4820]  dump_stack_lvl+0x1e3/0x2d0
[  423.976363][ T4820]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  423.987761][ T4822] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  423.989051][ T4820]  ? panic+0x860/0x860
[  424.010721][ T4820]  ? sysfs_create_dir_ns+0x282/0x390
[  424.016022][ T4820]  sysfs_create_dir_ns+0x2c6/0x390
[  424.021147][ T4820]  ? sysfs_warn_dup+0xa0/0xa0
[  424.025849][ T4820]  ? do_raw_spin_unlock+0x137/0x8b0
[  424.031050][ T4820]  ? kobject_set_name_vargs+0xca/0x110
[  424.036511][ T4820]  kobject_add_internal+0x6e0/0xe00
[  424.041728][ T4820]  kobject_init_and_add+0x120/0x190
[  424.046943][ T4820]  ? lockdep_softirqs_off+0x420/0x420
[  424.052323][ T4820]  ? widen_string+0x3a/0x310
[  424.056917][ T4820]  ? kobject_add+0x210/0x210
[  424.061640][ T4820]  ? __init_swait_queue_head+0xaa/0x140
[  424.067272][ T4820]  gfs2_sys_fs_add+0x237/0x4a0
[  424.072037][ T4820]  ? gfs2_recover_set+0x240/0x240
[  424.077075][ T4820]  ? snprintf+0xd6/0x120
[  424.081321][ T4820]  ? vscnprintf+0x80/0x80
[  424.085654][ T4820]  ? read_word_at_a_time+0xe/0x20
[  424.090675][ T4820]  ? strscpy+0x89/0x220
[  424.094833][ T4820]  gfs2_fill_super+0x1299/0x2750
[  424.099788][ T4820]  ? gfs2_reconfigure+0xcf0/0xcf0
[  424.104808][ T4820]  ? ptr_to_hashval+0x60/0x60
[  424.109508][ T4820]  ? up_write+0x19d/0x580
[  424.113850][ T4820]  ? set_blocksize+0x1ec/0x370
[  424.118618][ T4820]  get_tree_bdev+0x3fe/0x620
[  424.123210][ T4820]  ? gfs2_reconfigure+0xcf0/0xcf0
[  424.128233][ T4820]  gfs2_get_tree+0x50/0x210
[  424.132736][ T4820]  ? bpf_lsm_capable+0x5/0x10
[  424.137694][ T4820]  vfs_get_tree+0x88/0x270
[  424.142113][ T4820]  do_new_mount+0x2ba/0xb40
[  424.146622][ T4820]  ? do_move_mount_old+0x160/0x160
[  424.151737][ T4820]  ? user_path_at_empty+0x12b/0x180
[  424.156934][ T4820]  __se_sys_mount+0x2d5/0x3c0
[  424.161621][ T4820]  ? __x64_sys_mount+0xc0/0xc0
[  424.166382][ T4820]  ? syscall_enter_from_user_mode+0x2e/0x240
[  424.172365][ T4820]  ? lockdep_hardirqs_on+0x94/0x130
[  424.177569][ T4820]  ? __x64_sys_mount+0x1c/0xc0
[  424.182337][ T4820]  do_syscall_64+0x3b/0xb0
[  424.186751][ T4820]  ? clear_bhb_loop+0x15/0x70
[  424.191447][ T4820]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  424.197339][ T4820] RIP: 0033:0x7fadda50af5a
[  424.201751][ T4820] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  424.221448][ T4820] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  424.229879][ T4820] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  424.237852][ T4820] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  424.245819][ T4820] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  424.253785][ T4820] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  424.261755][ T4820] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
executing program
[  424.269736][ T4820]  </TASK>
[  424.272756][ T4822] CPU: 0 PID: 4822 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  424.272965][ T4820] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  424.281352][ T4822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  424.281366][ T4822] Call Trace:
[  424.281374][ T4822]  <TASK>
[  424.281382][ T4822]  dump_stack_lvl+0x1e3/0x2d0
[  424.294652][ T4820] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  424.304758][ T4822]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  424.327853][ T4822]  ? panic+0x860/0x860
[  424.331951][ T4822]  ? sysfs_create_dir_ns+0x282/0x390
[  424.337284][ T4822]  sysfs_create_dir_ns+0x2c6/0x390
[  424.342514][ T4822]  ? sysfs_warn_dup+0xa0/0xa0
[  424.347213][ T4822]  ? do_raw_spin_unlock+0x137/0x8b0
[  424.352434][ T4822]  ? kobject_set_name_vargs+0xca/0x110
[  424.357920][ T4822]  kobject_add_internal+0x6e0/0xe00
[  424.363162][ T4822]  kobject_init_and_add+0x120/0x190
[  424.368375][ T4822]  ? lockdep_softirqs_off+0x420/0x420
[  424.373769][ T4822]  ? widen_string+0x3a/0x310
[  424.378386][ T4822]  ? kobject_add+0x210/0x210
[  424.383017][ T4822]  ? __init_swait_queue_head+0xaa/0x140
[  424.388585][ T4822]  gfs2_sys_fs_add+0x237/0x4a0
[  424.393388][ T4822]  ? gfs2_recover_set+0x240/0x240
[  424.398428][ T4822]  ? snprintf+0xd6/0x120
[  424.402695][ T4822]  ? vscnprintf+0x80/0x80
[  424.407053][ T4822]  ? read_word_at_a_time+0xe/0x20
[  424.412269][ T4822]  ? strscpy+0x89/0x220
[  424.416445][ T4822]  gfs2_fill_super+0x1299/0x2750
[  424.421414][ T4822]  ? gfs2_reconfigure+0xcf0/0xcf0
[  424.426536][ T4822]  ? ptr_to_hashval+0x60/0x60
[  424.431232][ T4822]  ? up_write+0x19d/0x580
[  424.435586][ T4822]  ? set_blocksize+0x1ec/0x370
[  424.440369][ T4822]  get_tree_bdev+0x3fe/0x620
[  424.444971][ T4822]  ? gfs2_reconfigure+0xcf0/0xcf0
[  424.450009][ T4822]  gfs2_get_tree+0x50/0x210
[  424.454529][ T4822]  ? bpf_lsm_capable+0x5/0x10
[  424.459225][ T4822]  vfs_get_tree+0x88/0x270
[  424.463663][ T4822]  do_new_mount+0x2ba/0xb40
[  424.468192][ T4822]  ? do_move_mount_old+0x160/0x160
[  424.473324][ T4822]  ? user_path_at_empty+0x12b/0x180
[  424.478576][ T4822]  __se_sys_mount+0x2d5/0x3c0
[  424.483294][ T4822]  ? __x64_sys_mount+0xc0/0xc0
[  424.488087][ T4822]  ? syscall_enter_from_user_mode+0x2e/0x240
[  424.494087][ T4822]  ? lockdep_hardirqs_on+0x94/0x130
[  424.499312][ T4822]  ? __x64_sys_mount+0x1c/0xc0
[  424.504099][ T4822]  do_syscall_64+0x3b/0xb0
[  424.508577][ T4822]  ? clear_bhb_loop+0x15/0x70
[  424.513274][ T4822]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  424.519187][ T4822] RIP: 0033:0x7fadda50af5a
[  424.523623][ T4822] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  424.543277][ T4822] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  424.551741][ T4822] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  424.559741][ T4822] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
executing program
executing program
[  424.567741][ T4822] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  424.575752][ T4822] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  424.583752][ T4822] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  424.591810][ T4822]  </TASK>
[  424.595070][ T4822] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  424.608242][ T4822] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  424.692287][ T4823] loop4: detected capacity change from 0 to 32768
executing program
[  424.996304][ T4823] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  425.003786][ T4823] CPU: 1 PID: 4823 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  425.012386][ T4823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  425.022447][ T4823] Call Trace:
[  425.025734][ T4823]  <TASK>
[  425.028668][ T4823]  dump_stack_lvl+0x1e3/0x2d0
[  425.033359][ T4823]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  425.039007][ T4823]  ? panic+0x860/0x860
[  425.043106][ T4823]  ? sysfs_create_dir_ns+0x282/0x390
[  425.048422][ T4823]  sysfs_create_dir_ns+0x2c6/0x390
[  425.053594][ T4823]  ? sysfs_warn_dup+0xa0/0xa0
[  425.058301][ T4823]  ? do_raw_spin_unlock+0x137/0x8b0
[  425.063522][ T4823]  ? kobject_set_name_vargs+0xca/0x110
[  425.069008][ T4823]  kobject_add_internal+0x6e0/0xe00
[  425.074236][ T4823]  kobject_init_and_add+0x120/0x190
[  425.079450][ T4823]  ? lockdep_softirqs_off+0x420/0x420
[  425.084841][ T4823]  ? widen_string+0x3a/0x310
[  425.089452][ T4823]  ? kobject_add+0x210/0x210
[  425.094065][ T4823]  ? __init_swait_queue_head+0xaa/0x140
[  425.099638][ T4823]  gfs2_sys_fs_add+0x237/0x4a0
[  425.104421][ T4823]  ? gfs2_recover_set+0x240/0x240
[  425.109462][ T4823]  ? snprintf+0xd6/0x120
[  425.113733][ T4823]  ? vscnprintf+0x80/0x80
[  425.118082][ T4823]  ? read_word_at_a_time+0xe/0x20
[  425.123121][ T4823]  ? strscpy+0x89/0x220
[  425.127294][ T4823]  gfs2_fill_super+0x1299/0x2750
[  425.132267][ T4823]  ? gfs2_reconfigure+0xcf0/0xcf0
[  425.137312][ T4823]  ? ptr_to_hashval+0x60/0x60
[  425.142007][ T4823]  ? up_write+0x19d/0x580
[  425.146371][ T4823]  ? set_blocksize+0x1ec/0x370
[  425.151154][ T4823]  get_tree_bdev+0x3fe/0x620
[  425.155756][ T4823]  ? gfs2_reconfigure+0xcf0/0xcf0
[  425.160884][ T4823]  gfs2_get_tree+0x50/0x210
[  425.165397][ T4823]  ? bpf_lsm_capable+0x5/0x10
[  425.170089][ T4823]  vfs_get_tree+0x88/0x270
[  425.174517][ T4823]  do_new_mount+0x2ba/0xb40
[  425.179036][ T4823]  ? do_move_mount_old+0x160/0x160
[  425.184162][ T4823]  ? user_path_at_empty+0x12b/0x180
[  425.189369][ T4823]  __se_sys_mount+0x2d5/0x3c0
[  425.194072][ T4823]  ? __x64_sys_mount+0xc0/0xc0
[  425.198846][ T4823]  ? syscall_enter_from_user_mode+0x2e/0x240
[  425.204841][ T4823]  ? lockdep_hardirqs_on+0x94/0x130
[  425.210060][ T4823]  ? __x64_sys_mount+0x1c/0xc0
[  425.214845][ T4823]  do_syscall_64+0x3b/0xb0
[  425.219460][ T4823]  ? clear_bhb_loop+0x15/0x70
[  425.224158][ T4823]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  425.230151][ T4823] RIP: 0033:0x7fadda50af5a
[  425.234575][ T4823] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  425.254220][ T4823] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  425.262746][ T4823] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  425.270740][ T4823] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  425.278740][ T4823] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  425.286739][ T4823] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  425.294742][ T4823] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  425.302756][ T4823]  </TASK>
[  425.306174][ T4823] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  425.319344][ T4823] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  425.333834][ T4825] loop0: detected capacity change from 0 to 32768
executing program
[  425.350939][ T4824] loop2: detected capacity change from 0 to 32768
[  425.351550][ T4826] loop1: detected capacity change from 0 to 32768
[  425.377650][ T4825] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  425.385134][ T4825] CPU: 0 PID: 4825 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  425.393738][ T4825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  425.403899][ T4825] Call Trace:
[  425.407212][ T4825]  <TASK>
[  425.410154][ T4825]  dump_stack_lvl+0x1e3/0x2d0
[  425.414857][ T4825]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  425.420512][ T4825]  ? panic+0x860/0x860
[  425.424608][ T4825]  ? sysfs_create_dir_ns+0x282/0x390
[  425.429924][ T4825]  sysfs_create_dir_ns+0x2c6/0x390
[  425.435058][ T4825]  ? sysfs_warn_dup+0xa0/0xa0
[  425.439753][ T4825]  ? do_raw_spin_unlock+0x137/0x8b0
[  425.444976][ T4825]  ? kobject_set_name_vargs+0xca/0x110
[  425.450458][ T4825]  kobject_add_internal+0x6e0/0xe00
[  425.455685][ T4825]  kobject_init_and_add+0x120/0x190
[  425.460898][ T4825]  ? lockdep_softirqs_off+0x420/0x420
[  425.466316][ T4825]  ? widen_string+0x3a/0x310
[  425.470920][ T4825]  ? kobject_add+0x210/0x210
[  425.475524][ T4825]  ? __init_swait_queue_head+0xaa/0x140
[  425.481080][ T4825]  gfs2_sys_fs_add+0x237/0x4a0
[  425.485862][ T4825]  ? gfs2_recover_set+0x240/0x240
[  425.490895][ T4825]  ? snprintf+0xd6/0x120
[  425.495153][ T4825]  ? vscnprintf+0x80/0x80
[  425.499503][ T4825]  ? read_word_at_a_time+0xe/0x20
[  425.504545][ T4825]  ? strscpy+0x89/0x220
[  425.508724][ T4825]  gfs2_fill_super+0x1299/0x2750
[  425.513700][ T4825]  ? gfs2_reconfigure+0xcf0/0xcf0
[  425.518741][ T4825]  ? ptr_to_hashval+0x60/0x60
[  425.523438][ T4825]  ? up_write+0x19d/0x580
[  425.527808][ T4825]  ? set_blocksize+0x1ec/0x370
[  425.532617][ T4825]  get_tree_bdev+0x3fe/0x620
[  425.537226][ T4825]  ? gfs2_reconfigure+0xcf0/0xcf0
[  425.542289][ T4825]  gfs2_get_tree+0x50/0x210
[  425.546811][ T4825]  ? bpf_lsm_capable+0x5/0x10
[  425.551515][ T4825]  vfs_get_tree+0x88/0x270
[  425.555952][ T4825]  do_new_mount+0x2ba/0xb40
[  425.560504][ T4825]  ? do_move_mount_old+0x160/0x160
[  425.565650][ T4825]  ? user_path_at_empty+0x12b/0x180
[  425.570884][ T4825]  __se_sys_mount+0x2d5/0x3c0
[  425.575586][ T4825]  ? __x64_sys_mount+0xc0/0xc0
[  425.580367][ T4825]  ? syscall_enter_from_user_mode+0x2e/0x240
[  425.586445][ T4825]  ? lockdep_hardirqs_on+0x94/0x130
[  425.591668][ T4825]  ? __x64_sys_mount+0x1c/0xc0
[  425.596463][ T4825]  do_syscall_64+0x3b/0xb0
[  425.600899][ T4825]  ? clear_bhb_loop+0x15/0x70
[  425.605588][ T4825]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  425.611489][ T4825] RIP: 0033:0x7fadda50af5a
[  425.615915][ T4825] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  425.635532][ T4825] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  425.643964][ T4825] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  425.651949][ T4825] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  425.659959][ T4825] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  425.667949][ T4825] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  425.675939][ T4825] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  425.683942][ T4825]  </TASK>
[  425.687471][ T4825] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  425.700662][ T4825] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  425.708942][ T4826] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  425.716545][ T4826] CPU: 0 PID: 4826 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  425.725150][ T4826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  425.735214][ T4826] Call Trace:
[  425.738504][ T4826]  <TASK>
[  425.741439][ T4826]  dump_stack_lvl+0x1e3/0x2d0
[  425.746137][ T4826]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  425.751798][ T4826]  ? panic+0x860/0x860
[  425.755893][ T4826]  ? sysfs_create_dir_ns+0x282/0x390
[  425.761201][ T4826]  sysfs_create_dir_ns+0x2c6/0x390
[  425.762306][ T4827] loop4: detected capacity change from 0 to 32768
[  425.766328][ T4826]  ? sysfs_warn_dup+0xa0/0xa0
[  425.766357][ T4826]  ? do_raw_spin_unlock+0x137/0x8b0
[  425.779383][ T4824] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  425.782617][ T4826]  ? kobject_set_name_vargs+0xca/0x110
[  425.795418][ T4826]  kobject_add_internal+0x6e0/0xe00
[  425.800624][ T4826]  kobject_init_and_add+0x120/0x190
[  425.805820][ T4826]  ? lockdep_softirqs_off+0x420/0x420
[  425.811202][ T4826]  ? widen_string+0x3a/0x310
[  425.815797][ T4826]  ? kobject_add+0x210/0x210
[  425.820391][ T4826]  ? __init_swait_queue_head+0xaa/0x140
[  425.825939][ T4826]  gfs2_sys_fs_add+0x237/0x4a0
[  425.830705][ T4826]  ? gfs2_recover_set+0x240/0x240
[  425.835730][ T4826]  ? snprintf+0xd6/0x120
[  425.839977][ T4826]  ? vscnprintf+0x80/0x80
[  425.844309][ T4826]  ? read_word_at_a_time+0xe/0x20
[  425.849329][ T4826]  ? strscpy+0x89/0x220
[  425.853486][ T4826]  gfs2_fill_super+0x1299/0x2750
[  425.858441][ T4826]  ? gfs2_reconfigure+0xcf0/0xcf0
[  425.863467][ T4826]  ? ptr_to_hashval+0x60/0x60
[  425.868156][ T4826]  ? up_write+0x19d/0x580
[  425.872520][ T4826]  ? set_blocksize+0x1ec/0x370
[  425.877308][ T4826]  get_tree_bdev+0x3fe/0x620
[  425.881922][ T4826]  ? gfs2_reconfigure+0xcf0/0xcf0
[  425.886963][ T4826]  gfs2_get_tree+0x50/0x210
[  425.891473][ T4826]  ? bpf_lsm_capable+0x5/0x10
[  425.896156][ T4826]  vfs_get_tree+0x88/0x270
[  425.900720][ T4826]  do_new_mount+0x2ba/0xb40
[  425.905247][ T4826]  ? do_move_mount_old+0x160/0x160
[  425.910382][ T4826]  ? user_path_at_empty+0x12b/0x180
[  425.915580][ T4826]  __se_sys_mount+0x2d5/0x3c0
[  425.920259][ T4826]  ? __x64_sys_mount+0xc0/0xc0
[  425.925020][ T4826]  ? syscall_enter_from_user_mode+0x2e/0x240
[  425.931017][ T4826]  ? lockdep_hardirqs_on+0x94/0x130
[  425.936220][ T4826]  ? __x64_sys_mount+0x1c/0xc0
[  425.940999][ T4826]  do_syscall_64+0x3b/0xb0
[  425.945413][ T4826]  ? clear_bhb_loop+0x15/0x70
[  425.950091][ T4826]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  425.955978][ T4826] RIP: 0033:0x7fadda50af5a
[  425.960389][ T4826] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  425.979989][ T4826] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  425.988398][ T4826] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  425.996495][ T4826] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  426.004488][ T4826] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  426.012457][ T4826] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  426.020425][ T4826] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  426.028405][ T4826]  </TASK>
[  426.031419][ T4824] CPU: 1 PID: 4824 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  426.031895][ T4826] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  426.040022][ T4824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  426.040037][ T4824] Call Trace:
[  426.040045][ T4824]  <TASK>
[  426.040054][ T4824]  dump_stack_lvl+0x1e3/0x2d0
[  426.053192][ T4826] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  426.063188][ T4824]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  426.063217][ T4824]  ? panic+0x860/0x860
[  426.063261][ T4824]  ? sysfs_create_dir_ns+0x282/0x390
[  426.095565][ T4824]  sysfs_create_dir_ns+0x2c6/0x390
[  426.100713][ T4824]  ? sysfs_warn_dup+0xa0/0xa0
[  426.105408][ T4824]  ? do_raw_spin_unlock+0x137/0x8b0
[  426.110622][ T4824]  ? kobject_set_name_vargs+0xca/0x110
[  426.116104][ T4824]  kobject_add_internal+0x6e0/0xe00
[  426.121335][ T4824]  kobject_init_and_add+0x120/0x190
[  426.126561][ T4824]  ? lockdep_softirqs_off+0x420/0x420
[  426.131956][ T4824]  ? widen_string+0x3a/0x310
[  426.136578][ T4824]  ? kobject_add+0x210/0x210
[  426.141197][ T4824]  ? __init_swait_queue_head+0xaa/0x140
[  426.146766][ T4824]  gfs2_sys_fs_add+0x237/0x4a0
[  426.151561][ T4824]  ? gfs2_recover_set+0x240/0x240
[  426.156611][ T4824]  ? snprintf+0xd6/0x120
[  426.160878][ T4824]  ? vscnprintf+0x80/0x80
[  426.165253][ T4824]  ? read_word_at_a_time+0xe/0x20
[  426.170289][ T4824]  ? strscpy+0x89/0x220
[  426.174461][ T4824]  gfs2_fill_super+0x1299/0x2750
[  426.179476][ T4824]  ? gfs2_reconfigure+0xcf0/0xcf0
[  426.184513][ T4824]  ? ptr_to_hashval+0x60/0x60
[  426.189213][ T4824]  ? up_write+0x19d/0x580
[  426.193596][ T4824]  ? set_blocksize+0x1ec/0x370
[  426.198382][ T4824]  get_tree_bdev+0x3fe/0x620
[  426.202986][ T4824]  ? gfs2_reconfigure+0xcf0/0xcf0
[  426.208024][ T4824]  gfs2_get_tree+0x50/0x210
[  426.212535][ T4824]  ? bpf_lsm_capable+0x5/0x10
[  426.217236][ T4824]  vfs_get_tree+0x88/0x270
[  426.221672][ T4824]  do_new_mount+0x2ba/0xb40
[  426.226192][ T4824]  ? do_move_mount_old+0x160/0x160
[  426.231313][ T4824]  ? user_path_at_empty+0x12b/0x180
[  426.236521][ T4824]  __se_sys_mount+0x2d5/0x3c0
[  426.241238][ T4824]  ? __x64_sys_mount+0xc0/0xc0
[  426.246018][ T4824]  ? syscall_enter_from_user_mode+0x2e/0x240
[  426.252094][ T4824]  ? lockdep_hardirqs_on+0x94/0x130
[  426.257315][ T4824]  ? __x64_sys_mount+0x1c/0xc0
[  426.262099][ T4824]  do_syscall_64+0x3b/0xb0
[  426.266539][ T4824]  ? clear_bhb_loop+0x15/0x70
[  426.271234][ T4824]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  426.277144][ T4824] RIP: 0033:0x7fadda50af5a
[  426.281584][ T4824] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  426.301206][ T4824] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  426.309642][ T4824] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  426.317613][ T4824] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  426.325583][ T4824] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  426.333638][ T4824] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  426.341604][ T4824] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  426.349584][ T4824]  </TASK>
[  426.352894][ T4824] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  426.366028][ T4824] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  426.374774][ T4827] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  426.382251][ T4827] CPU: 1 PID: 4827 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  426.390836][ T4827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  426.400889][ T4827] Call Trace:
[  426.404169][ T4827]  <TASK>
[  426.407103][ T4827]  dump_stack_lvl+0x1e3/0x2d0
[  426.411782][ T4827]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  426.417411][ T4827]  ? panic+0x860/0x860
[  426.421499][ T4827]  ? sysfs_create_dir_ns+0x282/0x390
[  426.426781][ T4827]  sysfs_create_dir_ns+0x2c6/0x390
[  426.431888][ T4827]  ? sysfs_warn_dup+0xa0/0xa0
[  426.436569][ T4827]  ? do_raw_spin_unlock+0x137/0x8b0
[  426.441780][ T4827]  ? kobject_set_name_vargs+0xca/0x110
[  426.447326][ T4827]  kobject_add_internal+0x6e0/0xe00
[  426.452524][ T4827]  kobject_init_and_add+0x120/0x190
[  426.457835][ T4827]  ? lockdep_softirqs_off+0x420/0x420
[  426.463197][ T4827]  ? widen_string+0x3a/0x310
[  426.467798][ T4827]  ? kobject_add+0x210/0x210
[  426.472382][ T4827]  ? __init_swait_queue_head+0xaa/0x140
[  426.477926][ T4827]  gfs2_sys_fs_add+0x237/0x4a0
[  426.482685][ T4827]  ? gfs2_recover_set+0x240/0x240
[  426.487712][ T4827]  ? snprintf+0xd6/0x120
[  426.491995][ T4827]  ? vscnprintf+0x80/0x80
[  426.496321][ T4827]  ? read_word_at_a_time+0xe/0x20
[  426.501350][ T4827]  ? strscpy+0x89/0x220
[  426.505515][ T4827]  gfs2_fill_super+0x1299/0x2750
[  426.510462][ T4827]  ? gfs2_reconfigure+0xcf0/0xcf0
[  426.515497][ T4827]  ? ptr_to_hashval+0x60/0x60
[  426.520171][ T4827]  ? up_write+0x19d/0x580
[  426.524520][ T4827]  ? set_blocksize+0x1ec/0x370
[  426.529286][ T4827]  get_tree_bdev+0x3fe/0x620
[  426.533869][ T4827]  ? gfs2_reconfigure+0xcf0/0xcf0
[  426.538886][ T4827]  gfs2_get_tree+0x50/0x210
[  426.543381][ T4827]  ? bpf_lsm_capable+0x5/0x10
[  426.548061][ T4827]  vfs_get_tree+0x88/0x270
[  426.552479][ T4827]  do_new_mount+0x2ba/0xb40
[  426.556999][ T4827]  ? do_move_mount_old+0x160/0x160
[  426.562109][ T4827]  ? user_path_at_empty+0x12b/0x180
[  426.567321][ T4827]  __se_sys_mount+0x2d5/0x3c0
[  426.571997][ T4827]  ? __x64_sys_mount+0xc0/0xc0
[  426.576851][ T4827]  ? syscall_enter_from_user_mode+0x2e/0x240
[  426.582827][ T4827]  ? lockdep_hardirqs_on+0x94/0x130
[  426.588018][ T4827]  ? __x64_sys_mount+0x1c/0xc0
[  426.592780][ T4827]  do_syscall_64+0x3b/0xb0
[  426.597191][ T4827]  ? clear_bhb_loop+0x15/0x70
[  426.601881][ T4827]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  426.607769][ T4827] RIP: 0033:0x7fadda50af5a
[  426.612179][ T4827] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  426.631777][ T4827] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  426.640204][ T4827] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  426.648188][ T4827] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  426.656167][ T4827] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  426.664127][ T4827] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  426.672100][ T4827] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  426.680077][ T4827]  </TASK>
[  426.683254][ T4827] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  426.696418][ T4827] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
executing program
[  427.071737][ T4828] loop1: detected capacity change from 0 to 32768
[  427.187058][ T4830] loop2: detected capacity change from 0 to 32768
[  427.286669][ T4830] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  427.294081][ T4830] CPU: 0 PID: 4830 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  427.302730][ T4830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  427.312802][ T4830] Call Trace:
[  427.316095][ T4830]  <TASK>
[  427.319031][ T4830]  dump_stack_lvl+0x1e3/0x2d0
[  427.323740][ T4830]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  427.329411][ T4830]  ? panic+0x860/0x860
[  427.333505][ T4830]  ? sysfs_create_dir_ns+0x282/0x390
[  427.338831][ T4830]  sysfs_create_dir_ns+0x2c6/0x390
[  427.343961][ T4830]  ? sysfs_warn_dup+0xa0/0xa0
[  427.348661][ T4830]  ? do_raw_spin_unlock+0x137/0x8b0
[  427.353886][ T4830]  ? kobject_set_name_vargs+0xca/0x110
[  427.359371][ T4830]  kobject_add_internal+0x6e0/0xe00
[  427.364619][ T4830]  kobject_init_and_add+0x120/0x190
[  427.369843][ T4830]  ? lockdep_softirqs_off+0x420/0x420
[  427.375239][ T4830]  ? widen_string+0x3a/0x310
[  427.379863][ T4830]  ? kobject_add+0x210/0x210
[  427.384484][ T4830]  ? __init_swait_queue_head+0xaa/0x140
[  427.390054][ T4830]  gfs2_sys_fs_add+0x237/0x4a0
[  427.394816][ T4830]  ? gfs2_recover_set+0x240/0x240
[  427.399831][ T4830]  ? snprintf+0xd6/0x120
[  427.404083][ T4830]  ? vscnprintf+0x80/0x80
[  427.408405][ T4830]  ? read_word_at_a_time+0xe/0x20
[  427.413443][ T4830]  ? strscpy+0x89/0x220
[  427.417605][ T4830]  gfs2_fill_super+0x1299/0x2750
[  427.422565][ T4830]  ? gfs2_reconfigure+0xcf0/0xcf0
[  427.427592][ T4830]  ? ptr_to_hashval+0x60/0x60
[  427.432274][ T4830]  ? up_write+0x19d/0x580
[  427.436622][ T4830]  ? set_blocksize+0x1ec/0x370
[  427.441383][ T4830]  get_tree_bdev+0x3fe/0x620
[  427.445966][ T4830]  ? gfs2_reconfigure+0xcf0/0xcf0
[  427.450994][ T4830]  gfs2_get_tree+0x50/0x210
[  427.455486][ T4830]  ? bpf_lsm_capable+0x5/0x10
[  427.460155][ T4830]  vfs_get_tree+0x88/0x270
[  427.464563][ T4830]  do_new_mount+0x2ba/0xb40
[  427.469156][ T4830]  ? do_move_mount_old+0x160/0x160
[  427.474257][ T4830]  ? user_path_at_empty+0x12b/0x180
[  427.479454][ T4830]  __se_sys_mount+0x2d5/0x3c0
[  427.484119][ T4830]  ? __x64_sys_mount+0xc0/0xc0
[  427.488883][ T4830]  ? syscall_enter_from_user_mode+0x2e/0x240
[  427.494852][ T4830]  ? lockdep_hardirqs_on+0x94/0x130
[  427.500041][ T4830]  ? __x64_sys_mount+0x1c/0xc0
[  427.504825][ T4830]  do_syscall_64+0x3b/0xb0
[  427.509247][ T4830]  ? clear_bhb_loop+0x15/0x70
[  427.513926][ T4830]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  427.519947][ T4830] RIP: 0033:0x7fadda50af5a
[  427.524489][ T4830] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  427.544103][ T4830] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  427.552524][ T4830] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  427.560493][ T4830] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  427.568583][ T4830] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  427.576668][ T4830] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  427.584646][ T4830] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  427.592641][ T4830]  </TASK>
[  427.597841][ T4830] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  427.611007][ T4830] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  427.616024][ T4829] loop0: detected capacity change from 0 to 32768
[  427.628619][ T4828] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
executing program
[  427.636126][ T4828] CPU: 0 PID: 4828 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  427.644736][ T4828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  427.654801][ T4828] Call Trace:
[  427.658096][ T4828]  <TASK>
[  427.661040][ T4828]  dump_stack_lvl+0x1e3/0x2d0
[  427.665743][ T4828]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  427.671407][ T4828]  ? panic+0x860/0x860
[  427.675509][ T4828]  ? sysfs_create_dir_ns+0x282/0x390
[  427.680830][ T4828]  sysfs_create_dir_ns+0x2c6/0x390
[  427.685963][ T4828]  ? sysfs_warn_dup+0xa0/0xa0
[  427.690668][ T4828]  ? do_raw_spin_unlock+0x137/0x8b0
[  427.695885][ T4828]  ? kobject_set_name_vargs+0xca/0x110
[  427.701365][ T4828]  kobject_add_internal+0x6e0/0xe00
[  427.706596][ T4828]  kobject_init_and_add+0x120/0x190
[  427.711807][ T4828]  ? lockdep_softirqs_off+0x420/0x420
[  427.717197][ T4828]  ? widen_string+0x3a/0x310
[  427.721809][ T4828]  ? kobject_add+0x210/0x210
[  427.726437][ T4828]  ? __init_swait_queue_head+0xaa/0x140
[  427.732006][ T4828]  gfs2_sys_fs_add+0x237/0x4a0
[  427.736799][ T4828]  ? gfs2_recover_set+0x240/0x240
[  427.741844][ T4828]  ? snprintf+0xd6/0x120
[  427.746107][ T4828]  ? vscnprintf+0x80/0x80
[  427.750452][ T4828]  ? read_word_at_a_time+0xe/0x20
[  427.755487][ T4828]  ? strscpy+0x89/0x220
[  427.759677][ T4828]  gfs2_fill_super+0x1299/0x2750
[  427.764657][ T4828]  ? gfs2_reconfigure+0xcf0/0xcf0
[  427.769691][ T4828]  ? ptr_to_hashval+0x60/0x60
[  427.774378][ T4828]  ? up_write+0x19d/0x580
[  427.778741][ T4828]  ? set_blocksize+0x1ec/0x370
[  427.783529][ T4828]  get_tree_bdev+0x3fe/0x620
[  427.788133][ T4828]  ? gfs2_reconfigure+0xcf0/0xcf0
[  427.793177][ T4828]  gfs2_get_tree+0x50/0x210
[  427.797787][ T4828]  ? bpf_lsm_capable+0x5/0x10
[  427.802496][ T4828]  vfs_get_tree+0x88/0x270
[  427.806939][ T4828]  do_new_mount+0x2ba/0xb40
[  427.811465][ T4828]  ? do_move_mount_old+0x160/0x160
[  427.816601][ T4828]  ? user_path_at_empty+0x12b/0x180
[  427.821836][ T4828]  __se_sys_mount+0x2d5/0x3c0
[  427.826540][ T4828]  ? __x64_sys_mount+0xc0/0xc0
[  427.831320][ T4828]  ? syscall_enter_from_user_mode+0x2e/0x240
[  427.837404][ T4828]  ? lockdep_hardirqs_on+0x94/0x130
[  427.842652][ T4828]  ? __x64_sys_mount+0x1c/0xc0
[  427.847444][ T4828]  do_syscall_64+0x3b/0xb0
[  427.851878][ T4828]  ? clear_bhb_loop+0x15/0x70
[  427.856588][ T4828]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  427.862519][ T4828] RIP: 0033:0x7fadda50af5a
[  427.867000][ T4828] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  427.886643][ T4828] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  427.895191][ T4828] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  427.903199][ T4828] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  427.911185][ T4828] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  427.919174][ T4828] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  427.927157][ T4828] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  427.935156][ T4828]  </TASK>
[  427.938585][ T4828] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  427.947246][ T4831] loop4: detected capacity change from 0 to 32768
[  427.951936][ T4828] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  427.959364][ T4829] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  427.972352][ T4829] CPU: 1 PID: 4829 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  427.980960][ T4829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  427.991040][ T4829] Call Trace:
[  427.994337][ T4829]  <TASK>
[  427.997290][ T4829]  dump_stack_lvl+0x1e3/0x2d0
[  428.002015][ T4829]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  428.007676][ T4829]  ? panic+0x860/0x860
[  428.011775][ T4829]  ? sysfs_create_dir_ns+0x282/0x390
[  428.017088][ T4829]  sysfs_create_dir_ns+0x2c6/0x390
[  428.022224][ T4829]  ? sysfs_warn_dup+0xa0/0xa0
[  428.026922][ T4829]  ? do_raw_spin_unlock+0x137/0x8b0
[  428.032140][ T4829]  ? kobject_set_name_vargs+0xca/0x110
[  428.037628][ T4829]  kobject_add_internal+0x6e0/0xe00
[  428.042857][ T4829]  kobject_init_and_add+0x120/0x190
[  428.048077][ T4829]  ? lockdep_softirqs_off+0x420/0x420
[  428.053468][ T4829]  ? widen_string+0x3a/0x310
[  428.058094][ T4829]  ? kobject_add+0x210/0x210
[  428.062829][ T4829]  ? __init_swait_queue_head+0xaa/0x140
[  428.068402][ T4829]  gfs2_sys_fs_add+0x237/0x4a0
[  428.073414][ T4829]  ? gfs2_recover_set+0x240/0x240
[  428.078452][ T4829]  ? snprintf+0xd6/0x120
[  428.082719][ T4829]  ? vscnprintf+0x80/0x80
[  428.087069][ T4829]  ? read_word_at_a_time+0xe/0x20
[  428.092114][ T4829]  ? strscpy+0x89/0x220
[  428.096290][ T4829]  gfs2_fill_super+0x1299/0x2750
[  428.101266][ T4829]  ? gfs2_reconfigure+0xcf0/0xcf0
[  428.106302][ T4829]  ? ptr_to_hashval+0x60/0x60
[  428.110989][ T4829]  ? up_write+0x19d/0x580
[  428.115344][ T4829]  ? set_blocksize+0x1ec/0x370
[  428.120132][ T4829]  get_tree_bdev+0x3fe/0x620
[  428.124734][ T4829]  ? gfs2_reconfigure+0xcf0/0xcf0
[  428.129784][ T4829]  gfs2_get_tree+0x50/0x210
[  428.134296][ T4829]  ? bpf_lsm_capable+0x5/0x10
[  428.139013][ T4829]  vfs_get_tree+0x88/0x270
[  428.143452][ T4829]  do_new_mount+0x2ba/0xb40
[  428.147981][ T4829]  ? do_move_mount_old+0x160/0x160
[  428.153115][ T4829]  ? user_path_at_empty+0x12b/0x180
[  428.158346][ T4829]  __se_sys_mount+0x2d5/0x3c0
[  428.163046][ T4829]  ? __x64_sys_mount+0xc0/0xc0
[  428.167829][ T4829]  ? syscall_enter_from_user_mode+0x2e/0x240
[  428.173828][ T4829]  ? lockdep_hardirqs_on+0x94/0x130
[  428.179053][ T4829]  ? __x64_sys_mount+0x1c/0xc0
[  428.183835][ T4829]  do_syscall_64+0x3b/0xb0
[  428.188270][ T4829]  ? clear_bhb_loop+0x15/0x70
[  428.192978][ T4829]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  428.198890][ T4829] RIP: 0033:0x7fadda50af5a
[  428.203326][ T4829] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  428.222947][ T4829] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  428.231388][ T4829] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  428.239378][ T4829] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  428.247364][ T4829] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  428.255355][ T4829] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  428.263339][ T4829] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  428.271341][ T4829]  </TASK>
[  428.274503][ T4829] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
executing program
[  428.287725][ T4829] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  428.590596][ T4831] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  428.598053][ T4831] CPU: 1 PID: 4831 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  428.606661][ T4831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  428.616732][ T4831] Call Trace:
[  428.620020][ T4831]  <TASK>
[  428.622958][ T4831]  dump_stack_lvl+0x1e3/0x2d0
[  428.627749][ T4831]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  428.633398][ T4831]  ? panic+0x860/0x860
[  428.637504][ T4831]  ? sysfs_create_dir_ns+0x282/0x390
[  428.642841][ T4831]  sysfs_create_dir_ns+0x2c6/0x390
[  428.647977][ T4831]  ? sysfs_warn_dup+0xa0/0xa0
[  428.652672][ T4831]  ? do_raw_spin_unlock+0x137/0x8b0
[  428.657889][ T4831]  ? kobject_set_name_vargs+0xca/0x110
[  428.663382][ T4831]  kobject_add_internal+0x6e0/0xe00
[  428.668605][ T4831]  kobject_init_and_add+0x120/0x190
[  428.673820][ T4831]  ? lockdep_softirqs_off+0x420/0x420
[  428.679215][ T4831]  ? widen_string+0x3a/0x310
[  428.683833][ T4831]  ? kobject_add+0x210/0x210
executing program
[  428.688461][ T4831]  ? __init_swait_queue_head+0xaa/0x140
[  428.694034][ T4831]  gfs2_sys_fs_add+0x237/0x4a0
[  428.698821][ T4831]  ? gfs2_recover_set+0x240/0x240
[  428.699355][ T4834] loop2: detected capacity change from 0 to 32768
[  428.703857][ T4831]  ? snprintf+0xd6/0x120
[  428.714500][ T4831]  ? vscnprintf+0x80/0x80
[  428.718472][ T4833] loop0: detected capacity change from 0 to 32768
[  428.718853][ T4831]  ? read_word_at_a_time+0xe/0x20
[  428.726434][ T4832] loop1: detected capacity change from 0 to 32768
[  428.730263][ T4831]  ? strscpy+0x89/0x220
[  428.740819][ T4831]  gfs2_fill_super+0x1299/0x2750
[  428.745802][ T4831]  ? gfs2_reconfigure+0xcf0/0xcf0
[  428.750851][ T4831]  ? ptr_to_hashval+0x60/0x60
[  428.755562][ T4831]  ? up_write+0x19d/0x580
[  428.759923][ T4831]  ? set_blocksize+0x1ec/0x370
[  428.764717][ T4831]  get_tree_bdev+0x3fe/0x620
[  428.769330][ T4831]  ? gfs2_reconfigure+0xcf0/0xcf0
[  428.774387][ T4831]  gfs2_get_tree+0x50/0x210
[  428.778932][ T4831]  ? bpf_lsm_capable+0x5/0x10
[  428.783634][ T4831]  vfs_get_tree+0x88/0x270
[  428.788074][ T4831]  do_new_mount+0x2ba/0xb40
[  428.792597][ T4831]  ? do_move_mount_old+0x160/0x160
[  428.797737][ T4831]  ? user_path_at_empty+0x12b/0x180
[  428.802958][ T4831]  __se_sys_mount+0x2d5/0x3c0
[  428.807677][ T4831]  ? __x64_sys_mount+0xc0/0xc0
[  428.812462][ T4831]  ? syscall_enter_from_user_mode+0x2e/0x240
[  428.818463][ T4831]  ? lockdep_hardirqs_on+0x94/0x130
[  428.823688][ T4831]  ? __x64_sys_mount+0x1c/0xc0
[  428.828476][ T4831]  do_syscall_64+0x3b/0xb0
[  428.832948][ T4831]  ? clear_bhb_loop+0x15/0x70
[  428.837643][ T4831]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  428.843552][ T4831] RIP: 0033:0x7fadda50af5a
[  428.847976][ T4831] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  428.867588][ T4831] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  428.876027][ T4831] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  428.884034][ T4831] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  428.892035][ T4831] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  428.900026][ T4831] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  428.908016][ T4831] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  428.916027][ T4831]  </TASK>
[  428.919238][ T4831] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  428.932539][ T4831] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  428.949166][ T4834] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  428.956692][ T4834] CPU: 0 PID: 4834 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  428.965561][ T4834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  428.975628][ T4834] Call Trace:
[  428.978900][ T4834]  <TASK>
[  428.981820][ T4834]  dump_stack_lvl+0x1e3/0x2d0
[  428.986494][ T4834]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  428.992120][ T4834]  ? panic+0x860/0x860
[  428.996207][ T4834]  ? sysfs_create_dir_ns+0x282/0x390
[  429.001501][ T4834]  sysfs_create_dir_ns+0x2c6/0x390
[  429.006605][ T4834]  ? sysfs_warn_dup+0xa0/0xa0
[  429.011286][ T4834]  ? do_raw_spin_unlock+0x137/0x8b0
[  429.016496][ T4834]  ? kobject_set_name_vargs+0xca/0x110
[  429.021991][ T4834]  kobject_add_internal+0x6e0/0xe00
[  429.027190][ T4834]  kobject_init_and_add+0x120/0x190
[  429.032475][ T4834]  ? lockdep_softirqs_off+0x420/0x420
[  429.037855][ T4834]  ? widen_string+0x3a/0x310
[  429.042455][ T4834]  ? kobject_add+0x210/0x210
[  429.047041][ T4834]  ? __init_swait_queue_head+0xaa/0x140
[  429.052581][ T4834]  gfs2_sys_fs_add+0x237/0x4a0
[  429.057345][ T4834]  ? gfs2_recover_set+0x240/0x240
[  429.062362][ T4834]  ? snprintf+0xd6/0x120
[  429.066600][ T4834]  ? vscnprintf+0x80/0x80
[  429.070928][ T4834]  ? read_word_at_a_time+0xe/0x20
[  429.075970][ T4834]  ? strscpy+0x89/0x220
[  429.080132][ T4834]  gfs2_fill_super+0x1299/0x2750
[  429.085077][ T4834]  ? gfs2_reconfigure+0xcf0/0xcf0
[  429.090105][ T4834]  ? ptr_to_hashval+0x60/0x60
[  429.094776][ T4834]  ? up_write+0x19d/0x580
[  429.099124][ T4834]  ? set_blocksize+0x1ec/0x370
[  429.103904][ T4834]  get_tree_bdev+0x3fe/0x620
[  429.108491][ T4834]  ? gfs2_reconfigure+0xcf0/0xcf0
[  429.113504][ T4834]  gfs2_get_tree+0x50/0x210
[  429.118085][ T4834]  ? bpf_lsm_capable+0x5/0x10
[  429.122757][ T4834]  vfs_get_tree+0x88/0x270
[  429.127166][ T4834]  do_new_mount+0x2ba/0xb40
[  429.131660][ T4834]  ? do_move_mount_old+0x160/0x160
[  429.136764][ T4834]  ? user_path_at_empty+0x12b/0x180
[  429.141956][ T4834]  __se_sys_mount+0x2d5/0x3c0
[  429.146650][ T4834]  ? __x64_sys_mount+0xc0/0xc0
[  429.151403][ T4834]  ? syscall_enter_from_user_mode+0x2e/0x240
[  429.157370][ T4834]  ? lockdep_hardirqs_on+0x94/0x130
[  429.162576][ T4834]  ? __x64_sys_mount+0x1c/0xc0
[  429.167334][ T4834]  do_syscall_64+0x3b/0xb0
[  429.171744][ T4834]  ? clear_bhb_loop+0x15/0x70
[  429.176411][ T4834]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  429.182310][ T4834] RIP: 0033:0x7fadda50af5a
[  429.186718][ T4834] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  429.206315][ T4834] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  429.214761][ T4834] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  429.222721][ T4834] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  429.230769][ T4834] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  429.238849][ T4834] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  429.246895][ T4834] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  429.254875][ T4834]  </TASK>
[  429.258331][ T4834] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  429.271532][ T4834] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  429.283353][ T4832] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  429.283391][ T4833] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  429.291369][ T4832] CPU: 1 PID: 4832 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  429.306750][ T4832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  429.316799][ T4832] Call Trace:
[  429.320075][ T4832]  <TASK>
[  429.323004][ T4832]  dump_stack_lvl+0x1e3/0x2d0
[  429.327691][ T4832]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  429.333324][ T4832]  ? panic+0x860/0x860
[  429.337395][ T4832]  ? sysfs_create_dir_ns+0x282/0x390
[  429.342685][ T4832]  sysfs_create_dir_ns+0x2c6/0x390
[  429.347816][ T4832]  ? sysfs_warn_dup+0xa0/0xa0
[  429.352493][ T4832]  ? do_raw_spin_unlock+0x137/0x8b0
[  429.357802][ T4832]  ? kobject_set_name_vargs+0xca/0x110
[  429.363270][ T4832]  kobject_add_internal+0x6e0/0xe00
[  429.368477][ T4832]  kobject_init_and_add+0x120/0x190
[  429.373677][ T4832]  ? lockdep_softirqs_off+0x420/0x420
[  429.379047][ T4832]  ? widen_string+0x3a/0x310
[  429.383643][ T4832]  ? kobject_add+0x210/0x210
[  429.388237][ T4832]  ? __init_swait_queue_head+0xaa/0x140
[  429.393786][ T4832]  gfs2_sys_fs_add+0x237/0x4a0
[  429.398549][ T4832]  ? gfs2_recover_set+0x240/0x240
[  429.403580][ T4832]  ? snprintf+0xd6/0x120
[  429.407825][ T4832]  ? vscnprintf+0x80/0x80
[  429.412165][ T4832]  ? read_word_at_a_time+0xe/0x20
[  429.417187][ T4832]  ? strscpy+0x89/0x220
[  429.421343][ T4832]  gfs2_fill_super+0x1299/0x2750
[  429.426296][ T4832]  ? gfs2_reconfigure+0xcf0/0xcf0
[  429.431329][ T4832]  ? ptr_to_hashval+0x60/0x60
[  429.436005][ T4832]  ? up_write+0x19d/0x580
[  429.440350][ T4832]  ? set_blocksize+0x1ec/0x370
[  429.445122][ T4832]  get_tree_bdev+0x3fe/0x620
[  429.449798][ T4832]  ? gfs2_reconfigure+0xcf0/0xcf0
[  429.454821][ T4832]  gfs2_get_tree+0x50/0x210
[  429.459344][ T4832]  ? bpf_lsm_capable+0x5/0x10
[  429.464038][ T4832]  vfs_get_tree+0x88/0x270
[  429.468456][ T4832]  do_new_mount+0x2ba/0xb40
[  429.472961][ T4832]  ? do_move_mount_old+0x160/0x160
[  429.478092][ T4832]  ? user_path_at_empty+0x12b/0x180
[  429.483346][ T4832]  __se_sys_mount+0x2d5/0x3c0
[  429.488024][ T4832]  ? __x64_sys_mount+0xc0/0xc0
[  429.492788][ T4832]  ? syscall_enter_from_user_mode+0x2e/0x240
[  429.498764][ T4832]  ? lockdep_hardirqs_on+0x94/0x130
[  429.503965][ T4832]  ? __x64_sys_mount+0x1c/0xc0
[  429.508732][ T4832]  do_syscall_64+0x3b/0xb0
[  429.513150][ T4832]  ? clear_bhb_loop+0x15/0x70
[  429.517827][ T4832]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  429.523719][ T4832] RIP: 0033:0x7fadda50af5a
[  429.528131][ T4832] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  429.547731][ T4832] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  429.556144][ T4832] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  429.564110][ T4832] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  429.572075][ T4832] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  429.580044][ T4832] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  429.588014][ T4832] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  429.595991][ T4832]  </TASK>
[  429.599007][ T4833] CPU: 0 PID: 4833 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  429.599112][ T4832] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  429.607599][ T4833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  429.607613][ T4833] Call Trace:
[  429.607621][ T4833]  <TASK>
[  429.607631][ T4833]  dump_stack_lvl+0x1e3/0x2d0
[  429.620720][ T4832] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  429.630740][ T4833]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  429.653787][ T4833]  ? panic+0x860/0x860
[  429.657883][ T4833]  ? sysfs_create_dir_ns+0x282/0x390
[  429.663208][ T4833]  sysfs_create_dir_ns+0x2c6/0x390
[  429.668340][ T4833]  ? sysfs_warn_dup+0xa0/0xa0
[  429.673030][ T4833]  ? do_raw_spin_unlock+0x137/0x8b0
[  429.678243][ T4833]  ? kobject_set_name_vargs+0xca/0x110
[  429.683716][ T4833]  kobject_add_internal+0x6e0/0xe00
[  429.688937][ T4833]  kobject_init_and_add+0x120/0x190
[  429.694148][ T4833]  ? lockdep_softirqs_off+0x420/0x420
[  429.699530][ T4833]  ? widen_string+0x3a/0x310
[  429.704134][ T4833]  ? kobject_add+0x210/0x210
[  429.708754][ T4833]  ? __init_swait_queue_head+0xaa/0x140
[  429.714356][ T4833]  gfs2_sys_fs_add+0x237/0x4a0
[  429.719152][ T4833]  ? gfs2_recover_set+0x240/0x240
[  429.724203][ T4833]  ? snprintf+0xd6/0x120
[  429.728487][ T4833]  ? vscnprintf+0x80/0x80
[  429.732852][ T4833]  ? read_word_at_a_time+0xe/0x20
[  429.737903][ T4833]  ? strscpy+0x89/0x220
[  429.742100][ T4833]  gfs2_fill_super+0x1299/0x2750
[  429.747084][ T4833]  ? gfs2_reconfigure+0xcf0/0xcf0
[  429.752128][ T4833]  ? ptr_to_hashval+0x60/0x60
[  429.756827][ T4833]  ? up_write+0x19d/0x580
[  429.761190][ T4833]  ? set_blocksize+0x1ec/0x370
[  429.765976][ T4833]  get_tree_bdev+0x3fe/0x620
[  429.770579][ T4833]  ? gfs2_reconfigure+0xcf0/0xcf0
[  429.775810][ T4833]  gfs2_get_tree+0x50/0x210
[  429.780334][ T4833]  ? bpf_lsm_capable+0x5/0x10
[  429.785031][ T4833]  vfs_get_tree+0x88/0x270
[  429.789468][ T4833]  do_new_mount+0x2ba/0xb40
[  429.793989][ T4833]  ? do_move_mount_old+0x160/0x160
[  429.799137][ T4833]  ? user_path_at_empty+0x12b/0x180
[  429.804348][ T4833]  __se_sys_mount+0x2d5/0x3c0
[  429.809042][ T4833]  ? __x64_sys_mount+0xc0/0xc0
[  429.813818][ T4833]  ? syscall_enter_from_user_mode+0x2e/0x240
[  429.819812][ T4833]  ? lockdep_hardirqs_on+0x94/0x130
[  429.825222][ T4833]  ? __x64_sys_mount+0x1c/0xc0
[  429.830007][ T4833]  do_syscall_64+0x3b/0xb0
[  429.834452][ T4833]  ? clear_bhb_loop+0x15/0x70
[  429.839177][ T4833]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  429.845084][ T4833] RIP: 0033:0x7fadda50af5a
[  429.849513][ T4833] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  429.869127][ T4833] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  429.877557][ T4833] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  429.885545][ T4833] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  429.893537][ T4833] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  429.901529][ T4833] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  429.909524][ T4833] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  429.917532][ T4833]  </TASK>
[  429.921189][ T4833] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  429.934366][ T4833] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  429.941519][   T27] INFO: task syz-executor221:4194 blocked for more than 143 seconds.
executing program
[  429.949927][   T27]       Not tainted 5.15.179-syzkaller #0
[  429.955706][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  429.964419][   T27] task:syz-executor221 state:D stack:23712 pid: 4194 ppid:  4183 flags:0x00004006
[  429.973665][   T27] Call Trace:
[  429.978555][   T27]  <TASK>
[  429.981595][   T27]  __schedule+0x12c4/0x45b0
[  429.986775][   T27]  ? __lock_acquire+0x1295/0x1ff0
[  429.992129][   T27]  ? release_firmware_map_entry+0x190/0x190
[  429.998185][   T27]  schedule+0x11b/0x1f0
[  430.002588][   T27]  schedule_timeout+0xac/0x300
[  430.007448][   T27]  ? console_conditional_schedule+0x40/0x40
[  430.018630][   T27]  ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[  430.025136][   T27]  ? do_raw_spin_unlock+0x137/0x8b0
[  430.030356][   T27]  ? _raw_spin_unlock_irq+0x1f/0x40
[  430.033337][ T4835] loop4: detected capacity change from 0 to 32768
[  430.036453][   T27]  ? lockdep_hardirqs_on+0x94/0x130
[  430.047389][   T27]  do_wait_for_common+0x2d9/0x480
[  430.052442][   T27]  ? console_conditional_schedule+0x40/0x40
[  430.058450][   T27]  ? wait_for_completion_killable_timeout+0x60/0x60
[  430.065129][   T27]  ? _raw_spin_lock_irq+0xdb/0x110
[  430.070295][   T27]  wait_for_completion+0x48/0x60
[  430.075297][   T27]  kthread_stop+0x178/0x580
[  430.079819][   T27]  gfs2_make_fs_ro+0x14d/0x5f0
[  430.084665][   T27]  ? gfs2_dinode_out+0xaf0/0xaf0
[  430.089626][   T27]  ? do_raw_spin_unlock+0x137/0x8b0
[  430.094875][   T27]  ? gfs2_glock_is_locked_by_me+0x16f/0x190
[  430.100798][   T27]  gfs2_withdraw+0x5fb/0x14e0
[  430.105532][   T27]  ? gfs2_lm+0x206/0x230
[  430.109789][   T27]  ? gfs2_lm+0x230/0x230
[  430.114026][   T27]  ? gfs2_meta_ra+0x568/0x5f0
[  430.118751][   T27]  ? gfs2_meta_buffer+0x410/0x410
[  430.123804][   T27]  gfs2_metatype_check_ii+0x75/0x90
[  430.129049][   T27]  gfs2_quota_init+0xe06/0x1110
[  430.133927][   T27]  ? qd_get+0x5c0/0x5c0
[  430.138116][   T27]  ? gfs2_end_log_write+0x800/0x800
[  430.143341][   T27]  ? inode_go_inval+0x25c/0x2c0
[  430.148251][   T27]  gfs2_make_fs_rw+0x436/0x5b0
[  430.153042][   T27]  ? gfs2_jdesc_check+0x290/0x290
[  430.158108][   T27]  ? gfs2_glock_wait+0x137/0x1c0
[  430.163058][   T27]  gfs2_fill_super+0x23e8/0x2750
[  430.168050][   T27]  ? gfs2_reconfigure+0xcf0/0xcf0
[  430.173085][   T27]  ? ptr_to_hashval+0x60/0x60
[  430.177808][   T27]  ? gfs2_glock_nq_num+0x123/0x270
[  430.182950][   T27]  ? gfs2_freeze_lock+0x52/0xc0
[  430.187845][   T27]  ? set_blocksize+0x1ec/0x370
[  430.192912][   T27]  get_tree_bdev+0x3fe/0x620
[  430.197544][   T27]  ? gfs2_reconfigure+0xcf0/0xcf0
[  430.202581][   T27]  gfs2_get_tree+0x50/0x210
[  430.207128][   T27]  ? bpf_lsm_capable+0x5/0x10
[  430.211822][   T27]  vfs_get_tree+0x88/0x270
[  430.216276][   T27]  do_new_mount+0x2ba/0xb40
[  430.220794][   T27]  ? do_move_mount_old+0x160/0x160
[  430.226025][   T27]  ? user_path_at_empty+0x12b/0x180
[  430.231238][   T27]  __se_sys_mount+0x2d5/0x3c0
[  430.235979][   T27]  ? __x64_sys_mount+0xc0/0xc0
[  430.240794][   T27]  ? syscall_enter_from_user_mode+0x2e/0x240
[  430.246824][   T27]  ? lockdep_hardirqs_on+0x94/0x130
[  430.252069][   T27]  ? __x64_sys_mount+0x1c/0xc0
[  430.256871][   T27]  do_syscall_64+0x3b/0xb0
[  430.261307][   T27]  ? clear_bhb_loop+0x15/0x70
[  430.266022][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  430.271994][   T27] RIP: 0033:0x7fadda50af5a
[  430.276457][   T27] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  430.284912][   T27] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  430.292882][   T27] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  430.300884][   T27] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  430.308894][   T27] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  430.316896][   T27] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  430.324910][   T27]  </TASK>
[  430.327973][   T27] INFO: task gfs2_quotad:4199 blocked for more than 143 seconds.
[  430.336108][   T27]       Not tainted 5.15.179-syzkaller #0
[  430.341931][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  430.351375][   T27] task:gfs2_quotad     state:D stack:26648 pid: 4199 ppid:     2 flags:0x00004000
[  430.361166][   T27] Call Trace:
[  430.364791][   T27]  <TASK>
[  430.367737][   T27]  __schedule+0x12c4/0x45b0
[  430.372499][   T27]  ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[  430.379041][   T27]  ? release_firmware_map_entry+0x190/0x190
[  430.385489][   T27]  ? do_raw_spin_unlock+0x137/0x8b0
[  430.390738][   T27]  ? lockdep_hardirqs_on+0x94/0x130
[  430.396585][   T27]  ? _raw_spin_unlock_irqrestore+0xd9/0x130
executing program
[  430.402512][   T27]  schedule+0x11b/0x1f0
[  430.407352][   T27]  bit_wait+0xe/0xc0
[  430.411277][   T27]  __wait_on_bit+0xb9/0x180
[  430.416264][   T27]  ? out_of_line_wait_on_bit_lock+0x250/0x250
[  430.422564][   T27]  out_of_line_wait_on_bit+0x1d0/0x250
[  430.428369][   T27]  ? out_of_line_wait_on_bit_lock+0x250/0x250
[  430.434636][   T27]  ? __wait_on_bit+0x180/0x180
[  430.439440][   T27]  ? bit_waitqueue+0x30/0x30
[  430.444058][   T27]  __gfs2_glock_dq+0x699/0x9e0
[  430.449016][   T27]  gfs2_glock_dq_uninit+0x51/0x110
[  430.454189][   T27]  gfs2_statfs_sync+0x7d5/0x860
[  430.459214][   T27]  ? update_statfs+0x350/0x350
[  430.464006][   T27]  ? gfs2_statfs_sync+0x150/0x860
[  430.469372][   T27]  ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[  430.475418][   T27]  gfs2_quotad+0x3a8/0x900
[  430.480024][   T27]  ? gfs2_wake_up_statfs+0xc0/0xc0
[  430.485185][   T27]  ? init_wait_entry+0xd0/0xd0
[  430.489981][   T27]  kthread+0x3f6/0x4f0
[  430.495113][   T27]  ? gfs2_wake_up_statfs+0xc0/0xc0
[  430.500251][   T27]  ? kthread_blkcg+0xd0/0xd0
[  430.505063][   T27]  ret_from_fork+0x1f/0x30
[  430.509606][   T27]  </TASK>
[  430.512804][   T27] 
[  430.512804][   T27] Showing all locks held in the system:
[  430.600085][   T27] 1 lock held by khungtaskd/27:
[  430.607591][ T4835] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  430.615049][ T4835] CPU: 1 PID: 4835 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  430.623663][ T4835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  430.633755][ T4835] Call Trace:
[  430.637046][ T4835]  <TASK>
[  430.639986][ T4835]  dump_stack_lvl+0x1e3/0x2d0
[  430.644706][ T4835]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  430.650352][ T4835]  ? panic+0x860/0x860
[  430.654446][ T4835]  ? sysfs_create_dir_ns+0x282/0x390
[  430.659754][ T4835]  sysfs_create_dir_ns+0x2c6/0x390
[  430.664883][ T4835]  ? sysfs_warn_dup+0xa0/0xa0
[  430.669590][ T4835]  ? do_raw_spin_unlock+0x137/0x8b0
[  430.674805][ T4835]  ? kobject_set_name_vargs+0xca/0x110
[  430.680300][ T4835]  kobject_add_internal+0x6e0/0xe00
[  430.685529][ T4835]  kobject_init_and_add+0x120/0x190
[  430.690741][ T4835]  ? lockdep_softirqs_off+0x420/0x420
[  430.696130][ T4835]  ? widen_string+0x3a/0x310
[  430.700741][ T4835]  ? kobject_add+0x210/0x210
[  430.705351][ T4835]  ? __init_swait_queue_head+0xaa/0x140
[  430.710916][ T4835]  gfs2_sys_fs_add+0x237/0x4a0
[  430.715691][ T4835]  ? gfs2_recover_set+0x240/0x240
[  430.718294][ T4836] loop2: detected capacity change from 0 to 32768
[  430.720725][ T4835]  ? snprintf+0xd6/0x120
[  430.731378][ T4835]  ? vscnprintf+0x80/0x80
[  430.735739][ T4835]  ? read_word_at_a_time+0xe/0x20
[  430.740793][ T4835]  ? strscpy+0x89/0x220
[  430.744976][ T4835]  gfs2_fill_super+0x1299/0x2750
[  430.745010][   T27]  #0: ffffffff8cb1f4e0 (rcu_read_lock
[  430.749941][ T4835]  ? gfs2_reconfigure+0xcf0/0xcf0
[  430.760422][ T4835]  ? ptr_to_hashval+0x60/0x60
[  430.765128][ T4835]  ? up_write+0x19d/0x580
[  430.769489][ T4835]  ? set_blocksize+0x1ec/0x370
[  430.774273][ T4835]  get_tree_bdev+0x3fe/0x620
[  430.778875][ T4835]  ? gfs2_reconfigure+0xcf0/0xcf0
[  430.783912][ T4835]  gfs2_get_tree+0x50/0x210
[  430.788430][ T4835]  ? bpf_lsm_capable+0x5/0x10
[  430.793166][ T4835]  vfs_get_tree+0x88/0x270
[  430.797599][ T4835]  do_new_mount+0x2ba/0xb40
[  430.802133][ T4835]  ? do_move_mount_old+0x160/0x160
[  430.807263][ T4835]  ? user_path_at_empty+0x12b/0x180
[  430.812473][ T4835]  __se_sys_mount+0x2d5/0x3c0
[  430.817183][ T4835]  ? __x64_sys_mount+0xc0/0xc0
[  430.821958][ T4835]  ? syscall_enter_from_user_mode+0x2e/0x240
[  430.827966][ T4835]  ? lockdep_hardirqs_on+0x94/0x130
[  430.833179][ T4835]  ? __x64_sys_mount+0x1c/0xc0
[  430.837954][ T4835]  do_syscall_64+0x3b/0xb0
[  430.842384][ T4835]  ? clear_bhb_loop+0x15/0x70
[  430.847084][ T4835]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  430.853001][ T4835] RIP: 0033:0x7fadda50af5a
[  430.857437][ T4835] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  430.865391][   T27] ){....}-{1:2}
[  430.877059][ T4835] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  430.877092][ T4835] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  430.877109][ T4835] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  430.877125][ T4835] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  430.877141][ T4835] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  430.877157][ T4835] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  430.877200][ T4835]  </TASK>
[  430.878386][ T4835] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  430.891163][   T27] , at: rcu_lock_acquire+0x0/0x30
executing program
[  430.897241][ T4835] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  430.959297][   T27] 1 lock held by udevd/3546:
[  430.963910][   T27]  #0: ffff88802082dd18 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x14d/0xa50
[  430.974507][   T27] 2 locks held by getty/3930:
[  430.979200][   T27]  #0: ffff88802be3c098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[  430.989259][   T27]  #1: ffffc900025c62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0
executing program
[  430.999720][   T27] 1 lock held by syz-executor221/4194:
[  431.005326][   T27]  #0: ffff8880249a00e0 (&type->s_umount_key#42/1){+.+.}-{3:3}, at: alloc_super+0x210/0x940
[  431.016651][   T27] 2 locks held by kworker/0:3/4196:
[  431.021861][   T27]  #0: ffff888017472138 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0
[  431.190488][ T4837] loop0: detected capacity change from 0 to 32768
[  431.197189][   T27]  #1: ffffc90002f2fd20 ((work_completion)(&rew.rew_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0
[  431.208632][   T27] 1 lock held by udevd/4211:
[  431.213241][   T27]  #0: ffff88802082dd18 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x14d/0xa50
[  431.223349][   T27] 3 locks held by kworker/0:4/4218:
[  431.228600][   T27]  #0: ffff888017470938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0
[  431.239118][   T27]  #1: ffffc90002fffd20 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0
[  431.251639][   T27]  #2: ffffffff8cb23aa8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x280/0x740
[  431.262604][   T27] 2 locks held by syz-executor221/4835:
[  431.269100][   T27]  #0: ffff888020841518 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfb/0x790
[  431.278672][   T27]  #1: ffff888147d0d468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[  431.288161][   T27] 2 locks held by syz-executor221/4836:
[  431.293718][   T27]  #0: ffff88802082dd18 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfb/0x790
[  431.304465][   T27]  #1: ffff8880207f7468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[  431.313768][   T27] 2 locks held by syz-executor221/4837:
[  431.319775][   T27]  #0: ffff8880205e2518 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfb/0x790
[  431.322858][ T4838] loop1: detected capacity change from 0 to 32768
[  431.329880][   T27]  #1: ffff8880207f1468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[  431.344868][   T27] 2 locks held by syz-executor221/4838:
[  431.350428][   T27]  #0: ffff88802082c118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfb/0x790
[  431.359883][   T27]  #1: ffff8880207f4468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[  431.368939][   T27] 
[  431.371382][   T27] =============================================
[  431.371382][   T27] 
[  431.379891][   T27] NMI backtrace for cpu 1
[  431.384227][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.179-syzkaller #0
[  431.385446][ T4836] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  431.392216][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  431.409618][   T27] Call Trace:
[  431.412893][   T27]  <TASK>
[  431.415823][   T27]  dump_stack_lvl+0x1e3/0x2d0
[  431.420503][   T27]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  431.426133][   T27]  ? panic+0x860/0x860
[  431.430200][   T27]  ? nmi_cpu_backtrace+0x23b/0x4a0
[  431.435314][   T27]  nmi_cpu_backtrace+0x46a/0x4a0
[  431.440255][   T27]  ? __wake_up_klogd+0xd5/0x100
[  431.445109][   T27]  ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[  431.451283][   T27]  ? _printk+0xd1/0x120
[  431.455435][   T27]  ? panic+0x860/0x860
[  431.459499][   T27]  ? __wake_up_klogd+0xcc/0x100
[  431.464350][   T27]  ? panic+0x860/0x860
[  431.468412][   T27]  ? __rcu_read_unlock+0x92/0x100
[  431.473432][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  431.479497][   T27]  nmi_trigger_cpumask_backtrace+0x181/0x2a0
[  431.485478][   T27]  watchdog+0xe72/0xeb0
[  431.489657][   T27]  kthread+0x3f6/0x4f0
[  431.493727][   T27]  ? hungtask_pm_notify+0x50/0x50
[  431.498750][   T27]  ? kthread_blkcg+0xd0/0xd0
[  431.503349][   T27]  ret_from_fork+0x1f/0x30
[  431.507870][   T27]  </TASK>
[  431.510887][ T4836] CPU: 0 PID: 4836 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  431.511047][   T27] Sending NMI from CPU 1 to CPUs 0:
[  431.519487][ T4836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  431.519502][ T4836] Call Trace:
[  431.519512][ T4836]  <TASK>
[  431.519522][ T4836]  dump_stack_lvl+0x1e3/0x2d0
[  431.524766][    C0] NMI backtrace for cpu 0
[  431.524776][    C0] CPU: 0 PID: 4836 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  431.524794][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  431.524803][    C0] RIP: 0010:io_serial_out+0x7a/0xb0
[  431.524827][    C0] Code: fc 89 e9 41 d3 e7 48 83 c3 40 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 90 1a 44 fd 44 03 3b 44 89 f0 44 89 fa ee <5b> 41 5c 41 5e 41 5f 5d c3 89 e9 80 e1 07 38 c1 7c ab 48 89 ef e8
[  431.524841][    C0] RSP: 0018:ffffc9000361ee28 EFLAGS: 00000002
[  431.524874][    C0] RAX: 000000000000005b RBX: ffffffff96dbc9e0 RCX: 0000000000000000
[  431.524886][    C0] RDX: 00000000000003f8 RSI: 0000000000000000 RDI: 0000000000000020
[  431.524897][    C0] RBP: 0000000000000000 R08: ffffffff84867457 R09: 0000000000000003
[  431.524908][    C0] R10: ffffffffffffffff R11: dffffc0000000001 R12: dffffc0000000000
[  431.524920][    C0] R13: ffffffff96ad8980 R14: 000000000000005b R15: 00000000000003f8
[  431.524932][    C0] FS:  00005555589d8380(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
[  431.524947][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  431.524959][    C0] CR2: 00007fadd30ca000 CR3: 00000000254f6000 CR4: 00000000003506f0
[  431.524974][    C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  431.524983][    C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  431.524994][    C0] Call Trace:
[  431.524999][    C0]  <NMI>
[  431.525005][    C0]  ? nmi_cpu_backtrace+0x39f/0x4a0
[  431.525022][    C0]  ? read_lock_is_recursive+0x10/0x10
[  431.525041][    C0]  ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[  431.525058][    C0]  ? unknown_nmi_error+0xd0/0xd0
[  431.525082][    C0]  ? nmi_cpu_backtrace_handler+0x8/0x10
[  431.525107][    C0]  ? nmi_handle+0xf7/0x370
[  431.525124][    C0]  ? io_serial_out+0x7a/0xb0
[  431.525141][    C0]  ? default_do_nmi+0x62/0x150
[  431.525159][    C0]  ? exc_nmi+0xa8/0x100
[  431.525175][    C0]  ? end_repeat_nmi+0x16/0x31
[  431.525195][    C0]  ? io_serial_out+0x47/0xb0
[  431.525213][    C0]  ? io_serial_out+0x7a/0xb0
[  431.525231][    C0]  ? io_serial_out+0x7a/0xb0
[  431.525249][    C0]  ? io_serial_out+0x7a/0xb0
[  431.525266][    C0]  </NMI>
[  431.525271][    C0]  <TASK>
[  431.525278][    C0]  uart_console_write+0xa9/0x100
[  431.525294][    C0]  ? serial8250_console_write+0x1180/0x1180
[  431.525314][    C0]  serial8250_console_write+0xc8e/0x1180
[  431.525341][    C0]  ? serial8250_set_defaults+0x5f0/0x5f0
[  431.525360][    C0]  ? __lock_acquire+0x1ff0/0x1ff0
[  431.525374][    C0]  ? do_raw_spin_lock+0x14a/0x370
[  431.525400][    C0]  console_unlock+0xced/0x12b0
[  431.525422][    C0]  ? console_trylock_spinning+0x3f0/0x3f0
[  431.525440][    C0]  ? console_trylock_spinning+0x1d9/0x3f0
[  431.525456][    C0]  ? do_raw_spin_lock+0x14a/0x370
[  431.525472][    C0]  ? __lock_acquire+0x1ff0/0x1ff0
[  431.525490][    C0]  ? do_raw_spin_unlock+0x137/0x8b0
[  431.525511][    C0]  ? vprintk_emit+0x150/0x150
[  431.525534][    C0]  vprintk_emit+0xbf/0x150
[  431.525551][    C0]  _printk+0xd1/0x120
[  431.525567][    C0]  ? dump_stack_lvl+0x1e3/0x2d0
[  431.525582][    C0]  ? wq_watchdog_touch+0xe1/0x170
[  431.525601][    C0]  ? panic+0x860/0x860
[  431.525617][    C0]  ? is_bpf_text_address+0x24f/0x260
[  431.525636][    C0]  ? wq_watchdog_touch+0xeb/0x170
[  431.525653][    C0]  ? dump_stack_lvl+0x1e3/0x2d0
[  431.525669][    C0]  show_trace_log_lvl+0x388/0x410
[  431.525691][    C0]  ? dump_stack_lvl+0x1e3/0x2d0
[  431.525710][    C0]  dump_stack_lvl+0x1e3/0x2d0
[  431.525727][    C0]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  431.525744][    C0]  ? panic+0x860/0x860
[  431.525761][    C0]  ? sysfs_create_dir_ns+0x282/0x390
[  431.525782][    C0]  sysfs_create_dir_ns+0x2c6/0x390
[  431.525801][    C0]  ? sysfs_warn_dup+0xa0/0xa0
[  431.525838][    C0]  ? do_raw_spin_unlock+0x137/0x8b0
[  431.525855][    C0]  ? kobject_set_name_vargs+0xca/0x110
[  431.525874][    C0]  kobject_add_internal+0x6e0/0xe00
[  431.525894][    C0]  kobject_init_and_add+0x120/0x190
[  431.525911][    C0]  ? lockdep_softirqs_off+0x420/0x420
[  431.525926][    C0]  ? widen_string+0x3a/0x310
[  431.525945][    C0]  ? kobject_add+0x210/0x210
[  431.525963][    C0]  ? __init_swait_queue_head+0xaa/0x140
[  431.525982][    C0]  gfs2_sys_fs_add+0x237/0x4a0
[  431.526000][    C0]  ? gfs2_recover_set+0x240/0x240
[  431.526016][    C0]  ? snprintf+0xd6/0x120
[  431.526036][    C0]  ? vscnprintf+0x80/0x80
[  431.526056][    C0]  ? read_word_at_a_time+0xe/0x20
[  431.526074][    C0]  ? strscpy+0x89/0x220
[  431.526097][    C0]  gfs2_fill_super+0x1299/0x2750
[  431.526126][    C0]  ? gfs2_reconfigure+0xcf0/0xcf0
[  431.526143][    C0]  ? ptr_to_hashval+0x60/0x60
[  431.526161][    C0]  ? up_write+0x19d/0x580
[  431.526189][    C0]  ? set_blocksize+0x1ec/0x370
[  431.526212][    C0]  get_tree_bdev+0x3fe/0x620
[  431.526230][    C0]  ? gfs2_reconfigure+0xcf0/0xcf0
[  431.526248][    C0]  gfs2_get_tree+0x50/0x210
[  431.526264][    C0]  ? bpf_lsm_capable+0x5/0x10
[  431.526284][    C0]  vfs_get_tree+0x88/0x270
[  431.526302][    C0]  do_new_mount+0x2ba/0xb40
[  431.526321][    C0]  ? do_move_mount_old+0x160/0x160
[  431.526341][    C0]  ? user_path_at_empty+0x12b/0x180
[  431.526358][    C0]  __se_sys_mount+0x2d5/0x3c0
[  431.526378][    C0]  ? __x64_sys_mount+0xc0/0xc0
[  431.526394][    C0]  ? syscall_enter_from_user_mode+0x2e/0x240
[  431.526411][    C0]  ? lockdep_hardirqs_on+0x94/0x130
[  431.526431][    C0]  ? __x64_sys_mount+0x1c/0xc0
[  431.526448][    C0]  do_syscall_64+0x3b/0xb0
[  431.526465][    C0]  ? clear_bhb_loop+0x15/0x70
[  431.526482][    C0]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  431.526500][    C0] RIP: 0033:0x7fadda50af5a
[  431.526516][    C0] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  431.526531][    C0] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  431.526548][    C0] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  431.526560][    C0] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  431.526573][    C0] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  431.526585][    C0] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  431.526596][    C0] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  431.526614][    C0]  </TASK>
[  431.526620][    C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.854 msecs
[  431.550085][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  431.552042][ T4836]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  432.172883][ T4836]  ? panic+0x860/0x860
[  432.176966][ T4836]  ? sysfs_create_dir_ns+0x282/0x390
[  432.182264][ T4836]  sysfs_create_dir_ns+0x2c6/0x390
[  432.187381][ T4836]  ? sysfs_warn_dup+0xa0/0xa0
[  432.192067][ T4836]  ? do_raw_spin_unlock+0x137/0x8b0
[  432.197268][ T4836]  ? kobject_set_name_vargs+0xca/0x110
[  432.202732][ T4836]  kobject_add_internal+0x6e0/0xe00
[  432.207937][ T4836]  kobject_init_and_add+0x120/0x190
[  432.213401][ T4836]  ? lockdep_softirqs_off+0x420/0x420
[  432.218770][ T4836]  ? widen_string+0x3a/0x310
[  432.223361][ T4836]  ? kobject_add+0x210/0x210
[  432.227951][ T4836]  ? __init_swait_queue_head+0xaa/0x140
[  432.233512][ T4836]  gfs2_sys_fs_add+0x237/0x4a0
[  432.238279][ T4836]  ? gfs2_recover_set+0x240/0x240
[  432.243316][ T4836]  ? snprintf+0xd6/0x120
[  432.247560][ T4836]  ? vscnprintf+0x80/0x80
[  432.251895][ T4836]  ? read_word_at_a_time+0xe/0x20
[  432.256924][ T4836]  ? strscpy+0x89/0x220
[  432.261080][ T4836]  gfs2_fill_super+0x1299/0x2750
[  432.266034][ T4836]  ? gfs2_reconfigure+0xcf0/0xcf0
[  432.271060][ T4836]  ? ptr_to_hashval+0x60/0x60
[  432.275738][ T4836]  ? up_write+0x19d/0x580
[  432.280081][ T4836]  ? set_blocksize+0x1ec/0x370
[  432.284856][ T4836]  get_tree_bdev+0x3fe/0x620
[  432.289445][ T4836]  ? gfs2_reconfigure+0xcf0/0xcf0
[  432.294469][ T4836]  gfs2_get_tree+0x50/0x210
[  432.298984][ T4836]  ? bpf_lsm_capable+0x5/0x10
[  432.303665][ T4836]  vfs_get_tree+0x88/0x270
[  432.308079][ T4836]  do_new_mount+0x2ba/0xb40
[  432.312586][ T4836]  ? do_move_mount_old+0x160/0x160
[  432.317702][ T4836]  ? user_path_at_empty+0x12b/0x180
[  432.322902][ T4836]  __se_sys_mount+0x2d5/0x3c0
[  432.327585][ T4836]  ? __x64_sys_mount+0xc0/0xc0
[  432.332351][ T4836]  ? syscall_enter_from_user_mode+0x2e/0x240
[  432.338329][ T4836]  ? lockdep_hardirqs_on+0x94/0x130
[  432.343533][ T4836]  ? __x64_sys_mount+0x1c/0xc0
[  432.348295][ T4836]  do_syscall_64+0x3b/0xb0
[  432.352712][ T4836]  ? clear_bhb_loop+0x15/0x70
[  432.357388][ T4836]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  432.363278][ T4836] RIP: 0033:0x7fadda50af5a
[  432.367696][ T4836] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  432.387301][ T4836] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  432.395721][ T4836] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  432.403710][ T4836] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  432.411686][ T4836] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  432.419740][ T4836] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  432.427708][ T4836] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  432.435696][ T4836]  </TASK>
[  432.438714][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.179-syzkaller #0
[  432.439274][ T4836] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  432.446711][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  432.446726][   T27] Call Trace:
[  432.446734][   T27]  <TASK>
[  432.446742][   T27]  dump_stack_lvl+0x1e3/0x2d0
[  432.459879][ T4836] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  432.469894][   T27]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  432.469924][   T27]  ? panic+0x860/0x860
[  432.484293][ T4838] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  432.487305][   T27]  panic+0x318/0x860
[  432.508200][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  432.513842][   T27]  ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[  432.519996][   T27]  ? fb_is_primary_device+0xd0/0xd0
[  432.525193][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  432.531269][   T27]  ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[  432.537423][   T27]  ? nmi_trigger_cpumask_backtrace+0x281/0x2a0
[  432.543598][   T27]  ? nmi_trigger_cpumask_backtrace+0x286/0x2a0
[  432.549754][   T27]  watchdog+0xeb0/0xeb0
[  432.553918][   T27]  kthread+0x3f6/0x4f0
[  432.557987][   T27]  ? hungtask_pm_notify+0x50/0x50
[  432.563013][   T27]  ? kthread_blkcg+0xd0/0xd0
[  432.567624][   T27]  ret_from_fork+0x1f/0x30
[  432.572056][   T27]  </TASK>
[  432.575077][ T4838] CPU: 0 PID: 4838 Comm: syz-executor221 Not tainted 5.15.179-syzkaller #0
[  432.583675][ T4838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  432.593725][ T4838] Call Trace:
[  432.597037][ T4838]  <TASK>
[  432.599969][ T4838]  dump_stack_lvl+0x1e3/0x2d0
[  432.604671][ T4838]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  432.610305][ T4838]  ? panic+0x860/0x860
[  432.614374][ T4838]  ? sysfs_create_dir_ns+0x282/0x390
[  432.619665][ T4838]  sysfs_create_dir_ns+0x2c6/0x390
[  432.624780][ T4838]  ? sysfs_warn_dup+0xa0/0xa0
[  432.629473][ T4838]  ? do_raw_spin_unlock+0x137/0x8b0
[  432.634687][ T4838]  ? kobject_set_name_vargs+0xca/0x110
[  432.640149][ T4838]  kobject_add_internal+0x6e0/0xe00
[  432.645355][ T4838]  kobject_init_and_add+0x120/0x190
[  432.650549][ T4838]  ? lockdep_softirqs_off+0x420/0x420
[  432.655922][ T4838]  ? widen_string+0x3a/0x310
[  432.660521][ T4838]  ? kobject_add+0x210/0x210
[  432.665114][ T4838]  ? __init_swait_queue_head+0xaa/0x140
[  432.670752][ T4838]  gfs2_sys_fs_add+0x237/0x4a0
[  432.675518][ T4838]  ? gfs2_recover_set+0x240/0x240
[  432.680540][ T4838]  ? snprintf+0xd6/0x120
[  432.684781][ T4838]  ? vscnprintf+0x80/0x80
[  432.689115][ T4838]  ? read_word_at_a_time+0xe/0x20
[  432.694134][ T4838]  ? strscpy+0x89/0x220
[  432.698295][ T4838]  gfs2_fill_super+0x1299/0x2750
[  432.703338][ T4838]  ? gfs2_reconfigure+0xcf0/0xcf0
[  432.708363][ T4838]  ? ptr_to_hashval+0x60/0x60
[  432.713041][ T4838]  ? up_write+0x19d/0x580
[  432.717390][ T4838]  ? set_blocksize+0x1ec/0x370
[  432.722302][ T4838]  get_tree_bdev+0x3fe/0x620
[  432.726935][ T4838]  ? gfs2_reconfigure+0xcf0/0xcf0
[  432.731998][ T4838]  gfs2_get_tree+0x50/0x210
[  432.736512][ T4838]  ? bpf_lsm_capable+0x5/0x10
[  432.741201][ T4838]  vfs_get_tree+0x88/0x270
[  432.745619][ T4838]  do_new_mount+0x2ba/0xb40
[  432.750123][ T4838]  ? do_move_mount_old+0x160/0x160
[  432.755244][ T4838]  ? user_path_at_empty+0x12b/0x180
[  432.760447][ T4838]  __se_sys_mount+0x2d5/0x3c0
[  432.765130][ T4838]  ? __x64_sys_mount+0xc0/0xc0
[  432.769896][ T4838]  ? syscall_enter_from_user_mode+0x2e/0x240
[  432.775882][ T4838]  ? lockdep_hardirqs_on+0x94/0x130
[  432.781086][ T4838]  ? __x64_sys_mount+0x1c/0xc0
[  432.785940][ T4838]  do_syscall_64+0x3b/0xb0
[  432.790360][ T4838]  ? clear_bhb_loop+0x15/0x70
[  432.795035][ T4838]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  432.800929][ T4838] RIP: 0033:0x7fadda50af5a
[  432.805350][ T4838] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  432.824955][ T4838] RSP: 002b:00007ffd06338b28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  432.833380][ T4838] RAX: ffffffffffffffda RBX: 00007ffd06338b40 RCX: 00007fadda50af5a
[  432.841355][ T4838] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd06338b40
[  432.849323][ T4838] RBP: 0000200000012500 R08: 00007ffd06338b80 R09: 00000000000125b5
[  432.857339][ T4838] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  432.865310][ T4838] R13: 00007ffd06338b80 R14: 0000000000000003 R15: 0000000000000000
[  432.873294][ T4838]  </TASK>
[  432.876587][   T27] Kernel Offset: disabled
[  432.880933][   T27] Rebooting in 86400 seconds..