plicate filename '/fs/gfs2/syz:syz'
[  235.082667][ T5462] CPU: 0 PID: 5462 Comm: syz.1.176 Not tainted syzkaller #0
[  235.089967][ T5462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  235.100248][ T5462] Call Trace:
[  235.103536][ T5462]  <TASK>
[  235.106562][ T5462]  dump_stack_lvl+0x188/0x250
[  235.111363][ T5462]  ? show_regs_print_info+0x20/0x20
[  235.116672][ T5462]  ? load_image+0x400/0x400
[  235.121476][ T5462]  sysfs_create_dir_ns+0x26a/0x290
[  235.126603][ T5462]  ? sysfs_warn_dup+0xa0/0xa0
[  235.131300][ T5462]  ? do_raw_spin_unlock+0x11d/0x230
[  235.136514][ T5462]  kobject_add_internal+0x6e0/0xd90
[  235.141738][ T5462]  kobject_init_and_add+0x128/0x190
[  235.146954][ T5462]  ? lockdep_softirqs_off+0x430/0x430
[  235.152364][ T5462]  ? kobject_add+0x230/0x230
[  235.157061][ T5462]  ? __init_swait_queue_head+0xa5/0x150
[  235.162635][ T5462]  gfs2_sys_fs_add+0x24f/0x4b0
[  235.167421][ T5462]  ? gfs2_recover_set+0x240/0x240
[  235.172636][ T5462]  ? snprintf+0xe5/0x140
[  235.177001][ T5462]  ? __free_pages+0x95/0x1a0
[  235.181816][ T5462]  ? vscnprintf+0x80/0x80
[  235.186148][ T5462]  gfs2_fill_super+0x120f/0x1f00
[  235.191086][ T5462]  ? gfs2_reconfigure+0xd30/0xd30
[  235.196322][ T5462]  ? sb_set_blocksize+0xa5/0xe0
[  235.201705][ T5462]  get_tree_bdev+0x3f1/0x610
[  235.206408][ T5462]  ? gfs2_reconfigure+0xd30/0xd30
[  235.211601][ T5462]  gfs2_get_tree+0x4d/0x1e0
[  235.216125][ T5462]  vfs_get_tree+0x88/0x270
[  235.220547][ T5462]  do_new_mount+0x24a/0xa40
[  235.225044][ T5462]  __se_sys_mount+0x2e3/0x3d0
[  235.229808][ T5462]  ? __x64_sys_mount+0xc0/0xc0
[  235.234653][ T5462]  ? lockdep_hardirqs_on+0x94/0x140
[  235.239864][ T5462]  ? __x64_sys_mount+0x1c/0xc0
[  235.244644][ T5462]  do_syscall_64+0x4c/0xa0
[  235.249047][ T5462]  ? clear_bhb_loop+0x30/0x80
[  235.253718][ T5462]  ? clear_bhb_loop+0x30/0x80
[  235.258380][ T5462]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  235.264257][ T5462] RIP: 0033:0x7fddd18bff4a
[  235.268667][ T5462] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  235.288604][ T5462] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.297280][ T5462] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  235.305457][ T5462] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  235.313861][ T5462] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  235.322449][ T5462] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  235.330792][ T5462] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  235.338856][ T5462]  </TASK>
[  235.345728][ T5462] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  235.359403][ T5462] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  235.685486][ T5465] loop1: detected capacity change from 0 to 32768
[  235.743129][ T5465] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  235.750665][ T5465] CPU: 1 PID: 5465 Comm: syz.1.177 Not tainted syzkaller #0
[  235.757995][ T5465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  235.768074][ T5465] Call Trace:
[  235.771478][ T5465]  <TASK>
[  235.774511][ T5465]  dump_stack_lvl+0x188/0x250
[  235.779293][ T5465]  ? show_regs_print_info+0x20/0x20
[  235.784767][ T5465]  ? load_image+0x400/0x400
[  235.789471][ T5465]  sysfs_create_dir_ns+0x26a/0x290
[  235.794643][ T5465]  ? sysfs_warn_dup+0xa0/0xa0
[  235.799432][ T5465]  ? do_raw_spin_unlock+0x11d/0x230
[  235.804734][ T5465]  kobject_add_internal+0x6e0/0xd90
[  235.810055][ T5465]  kobject_init_and_add+0x128/0x190
[  235.815270][ T5465]  ? lockdep_softirqs_off+0x430/0x430
[  235.820655][ T5465]  ? kobject_add+0x230/0x230
[  235.825359][ T5465]  ? __init_swait_queue_head+0xa5/0x150
[  235.830989][ T5465]  gfs2_sys_fs_add+0x24f/0x4b0
[  235.835741][ T5465]  ? gfs2_recover_set+0x240/0x240
[  235.840751][ T5465]  ? snprintf+0xe5/0x140
[  235.845024][ T5465]  ? __free_pages+0x95/0x1a0
[  235.849714][ T5465]  ? vscnprintf+0x80/0x80
[  235.854053][ T5465]  gfs2_fill_super+0x120f/0x1f00
[  235.859619][ T5465]  ? gfs2_reconfigure+0xd30/0xd30
[  235.864646][ T5465]  ? sb_set_blocksize+0xa5/0xe0
[  235.869489][ T5465]  get_tree_bdev+0x3f1/0x610
[  235.874071][ T5465]  ? gfs2_reconfigure+0xd30/0xd30
[  235.879181][ T5465]  gfs2_get_tree+0x4d/0x1e0
[  235.883917][ T5465]  vfs_get_tree+0x88/0x270
[  235.888647][ T5465]  do_new_mount+0x24a/0xa40
[  235.893490][ T5465]  __se_sys_mount+0x2e3/0x3d0
[  235.898189][ T5465]  ? __x64_sys_mount+0xc0/0xc0
[  235.902955][ T5465]  ? lockdep_hardirqs_on+0x94/0x140
[  235.908438][ T5465]  ? __x64_sys_mount+0x1c/0xc0
[  235.913449][ T5465]  do_syscall_64+0x4c/0xa0
[  235.917953][ T5465]  ? clear_bhb_loop+0x30/0x80
[  235.922789][ T5465]  ? clear_bhb_loop+0x30/0x80
[  235.927457][ T5465]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  235.933421][ T5465] RIP: 0033:0x7fddd18bff4a
[  235.937820][ T5465] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  235.957958][ T5465] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.966374][ T5465] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  235.974586][ T5465] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  235.983776][ T5465] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  235.991880][ T5465] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  235.999984][ T5465] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  236.008232][ T5465]  </TASK>
[  236.013594][ T5465] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  236.026939][ T5465] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  236.335648][ T5467] loop1: detected capacity change from 0 to 32768
[  236.388084][ T5467] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  236.395995][ T5467] CPU: 1 PID: 5467 Comm: syz.1.178 Not tainted syzkaller #0
[  236.403347][ T5467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  236.413942][ T5467] Call Trace:
[  236.417224][ T5467]  <TASK>
[  236.420159][ T5467]  dump_stack_lvl+0x188/0x250
[  236.424841][ T5467]  ? show_regs_print_info+0x20/0x20
[  236.430040][ T5467]  ? load_image+0x400/0x400
[  236.434551][ T5467]  sysfs_create_dir_ns+0x26a/0x290
[  236.439680][ T5467]  ? sysfs_warn_dup+0xa0/0xa0
[  236.444447][ T5467]  ? do_raw_spin_unlock+0x11d/0x230
[  236.449755][ T5467]  kobject_add_internal+0x6e0/0xd90
[  236.455131][ T5467]  kobject_init_and_add+0x128/0x190
[  236.460344][ T5467]  ? lockdep_softirqs_off+0x430/0x430
[  236.465718][ T5467]  ? kobject_add+0x230/0x230
[  236.470390][ T5467]  ? __init_swait_queue_head+0xa5/0x150
[  236.475936][ T5467]  gfs2_sys_fs_add+0x24f/0x4b0
[  236.480854][ T5467]  ? gfs2_recover_set+0x240/0x240
[  236.486091][ T5467]  ? snprintf+0xe5/0x140
[  236.490337][ T5467]  ? __free_pages+0x95/0x1a0
[  236.495202][ T5467]  ? vscnprintf+0x80/0x80
[  236.499885][ T5467]  gfs2_fill_super+0x120f/0x1f00
[  236.504927][ T5467]  ? gfs2_reconfigure+0xd30/0xd30
[  236.510046][ T5467]  ? sb_set_blocksize+0xa5/0xe0
[  236.514975][ T5467]  get_tree_bdev+0x3f1/0x610
[  236.519641][ T5467]  ? gfs2_reconfigure+0xd30/0xd30
[  236.524854][ T5467]  gfs2_get_tree+0x4d/0x1e0
[  236.529533][ T5467]  vfs_get_tree+0x88/0x270
[  236.533942][ T5467]  do_new_mount+0x24a/0xa40
[  236.538436][ T5467]  __se_sys_mount+0x2e3/0x3d0
[  236.543108][ T5467]  ? __x64_sys_mount+0xc0/0xc0
[  236.548249][ T5467]  ? lockdep_hardirqs_on+0x94/0x140
[  236.553637][ T5467]  ? __x64_sys_mount+0x1c/0xc0
[  236.558404][ T5467]  do_syscall_64+0x4c/0xa0
[  236.563187][ T5467]  ? clear_bhb_loop+0x30/0x80
[  236.567858][ T5467]  ? clear_bhb_loop+0x30/0x80
[  236.572526][ T5467]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  236.578796][ T5467] RIP: 0033:0x7fddd18bff4a
[  236.583209][ T5467] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  236.603784][ T5467] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  236.612401][ T5467] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  236.620733][ T5467] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  236.628986][ T5467] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  236.637219][ T5467] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  236.645627][ T5467] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  236.653886][ T5467]  </TASK>
[  236.662856][ T5467] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  236.677128][ T5467] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/05/22 15:23:44 executed programs: 164
[  236.985034][ T5471] loop1: detected capacity change from 0 to 32768
[  236.997871][ T5471] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  237.005444][ T5471] CPU: 0 PID: 5471 Comm: syz.1.179 Not tainted syzkaller #0
[  237.012826][ T5471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  237.023097][ T5471] Call Trace:
[  237.026471][ T5471]  <TASK>
[  237.029507][ T5471]  dump_stack_lvl+0x188/0x250
[  237.034373][ T5471]  ? show_regs_print_info+0x20/0x20
[  237.039581][ T5471]  ? load_image+0x400/0x400
[  237.044194][ T5471]  sysfs_create_dir_ns+0x26a/0x290
[  237.049403][ T5471]  ? sysfs_warn_dup+0xa0/0xa0
[  237.054509][ T5471]  ? do_raw_spin_unlock+0x11d/0x230
[  237.060075][ T5471]  kobject_add_internal+0x6e0/0xd90
[  237.065381][ T5471]  kobject_init_and_add+0x128/0x190
[  237.070814][ T5471]  ? lockdep_softirqs_off+0x430/0x430
[  237.076322][ T5471]  ? kobject_add+0x230/0x230
[  237.080947][ T5471]  ? __init_swait_queue_head+0xa5/0x150
[  237.086500][ T5471]  gfs2_sys_fs_add+0x24f/0x4b0
[  237.091276][ T5471]  ? gfs2_recover_set+0x240/0x240
[  237.096499][ T5471]  ? snprintf+0xe5/0x140
[  237.100866][ T5471]  ? __free_pages+0x95/0x1a0
[  237.105838][ T5471]  ? vscnprintf+0x80/0x80
[  237.110469][ T5471]  gfs2_fill_super+0x120f/0x1f00
[  237.115688][ T5471]  ? gfs2_reconfigure+0xd30/0xd30
[  237.120955][ T5471]  ? sb_set_blocksize+0xa5/0xe0
[  237.126166][ T5471]  get_tree_bdev+0x3f1/0x610
[  237.130758][ T5471]  ? gfs2_reconfigure+0xd30/0xd30
[  237.136275][ T5471]  gfs2_get_tree+0x4d/0x1e0
[  237.141495][ T5471]  vfs_get_tree+0x88/0x270
[  237.146289][ T5471]  do_new_mount+0x24a/0xa40
[  237.150831][ T5471]  __se_sys_mount+0x2e3/0x3d0
[  237.155815][ T5471]  ? __x64_sys_mount+0xc0/0xc0
[  237.160780][ T5471]  ? lockdep_hardirqs_on+0x94/0x140
[  237.166060][ T5471]  ? __x64_sys_mount+0x1c/0xc0
[  237.170923][ T5471]  do_syscall_64+0x4c/0xa0
[  237.175347][ T5471]  ? clear_bhb_loop+0x30/0x80
[  237.180573][ T5471]  ? clear_bhb_loop+0x30/0x80
[  237.185364][ T5471]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  237.191386][ T5471] RIP: 0033:0x7fddd18bff4a
[  237.196000][ T5471] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  237.215986][ T5471] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  237.224819][ T5471] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  237.232871][ T5471] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  237.241262][ T5471] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  237.249536][ T5471] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  237.257931][ T5471] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  237.266111][ T5471]  </TASK>
[  237.269894][ T5471] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  237.283543][ T5471] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  237.569559][ T5473] loop1: detected capacity change from 0 to 32768
[  237.632742][ T5473] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  237.641491][ T5473] CPU: 1 PID: 5473 Comm: syz.1.180 Not tainted syzkaller #0
[  237.648899][ T5473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  237.659057][ T5473] Call Trace:
[  237.662349][ T5473]  <TASK>
[  237.665289][ T5473]  dump_stack_lvl+0x188/0x250
[  237.670158][ T5473]  ? show_regs_print_info+0x20/0x20
[  237.675369][ T5473]  ? load_image+0x400/0x400
[  237.679895][ T5473]  sysfs_create_dir_ns+0x26a/0x290
[  237.685202][ T5473]  ? sysfs_warn_dup+0xa0/0xa0
[  237.689915][ T5473]  ? do_raw_spin_unlock+0x11d/0x230
[  237.695136][ T5473]  kobject_add_internal+0x6e0/0xd90
[  237.700442][ T5473]  kobject_init_and_add+0x128/0x190
[  237.705711][ T5473]  ? lockdep_softirqs_off+0x430/0x430
[  237.711194][ T5473]  ? kobject_add+0x230/0x230
[  237.716046][ T5473]  ? __init_swait_queue_head+0xa5/0x150
[  237.721618][ T5473]  gfs2_sys_fs_add+0x24f/0x4b0
[  237.726502][ T5473]  ? gfs2_recover_set+0x240/0x240
[  237.732000][ T5473]  ? snprintf+0xe5/0x140
[  237.736239][ T5473]  ? __free_pages+0x95/0x1a0
[  237.740852][ T5473]  ? vscnprintf+0x80/0x80
[  237.745181][ T5473]  gfs2_fill_super+0x120f/0x1f00
[  237.750978][ T5473]  ? gfs2_reconfigure+0xd30/0xd30
[  237.752386][ T5033] Bluetooth: hci0: command 0x0406 tx timeout
[  237.756467][ T5473]  ? sb_set_blocksize+0xa5/0xe0
[  237.767966][ T5473]  get_tree_bdev+0x3f1/0x610
[  237.772561][ T5473]  ? gfs2_reconfigure+0xd30/0xd30
[  237.777611][ T5473]  gfs2_get_tree+0x4d/0x1e0
[  237.782244][ T5473]  vfs_get_tree+0x88/0x270
[  237.786870][ T5473]  do_new_mount+0x24a/0xa40
[  237.791463][ T5473]  __se_sys_mount+0x2e3/0x3d0
[  237.796391][ T5473]  ? __x64_sys_mount+0xc0/0xc0
[  237.801239][ T5473]  ? lockdep_hardirqs_on+0x94/0x140
[  237.806519][ T5473]  ? __x64_sys_mount+0x1c/0xc0
[  237.811341][ T5473]  do_syscall_64+0x4c/0xa0
[  237.816289][ T5473]  ? clear_bhb_loop+0x30/0x80
[  237.820976][ T5473]  ? clear_bhb_loop+0x30/0x80
[  237.825673][ T5473]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  237.831803][ T5473] RIP: 0033:0x7fddd18bff4a
[  237.836391][ T5473] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  237.857140][ T5473] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  237.866833][ T5473] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  237.874821][ T5473] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  237.882876][ T5473] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  237.891245][ T5473] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  237.899949][ T5473] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  237.908659][ T5473]  </TASK>
[  237.914641][ T5473] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  237.929244][ T5473] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  238.231812][ T5475] loop1: detected capacity change from 0 to 32768
[  238.277521][ T5475] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  238.289424][ T5475] CPU: 1 PID: 5475 Comm: syz.1.181 Not tainted syzkaller #0
[  238.296938][ T5475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  238.307176][ T5475] Call Trace:
[  238.310565][ T5475]  <TASK>
[  238.313526][ T5475]  dump_stack_lvl+0x188/0x250
[  238.318218][ T5475]  ? show_regs_print_info+0x20/0x20
[  238.323601][ T5475]  ? load_image+0x400/0x400
[  238.328136][ T5475]  sysfs_create_dir_ns+0x26a/0x290
[  238.333543][ T5475]  ? sysfs_warn_dup+0xa0/0xa0
[  238.338317][ T5475]  ? do_raw_spin_unlock+0x11d/0x230
[  238.343530][ T5475]  kobject_add_internal+0x6e0/0xd90
[  238.349003][ T5475]  kobject_init_and_add+0x128/0x190
[  238.354312][ T5475]  ? lockdep_softirqs_off+0x430/0x430
[  238.359707][ T5475]  ? kobject_add+0x230/0x230
[  238.364416][ T5475]  ? __init_swait_queue_head+0xa5/0x150
[  238.370125][ T5475]  gfs2_sys_fs_add+0x24f/0x4b0
[  238.375259][ T5475]  ? gfs2_recover_set+0x240/0x240
[  238.380313][ T5475]  ? snprintf+0xe5/0x140
[  238.384595][ T5475]  ? __free_pages+0x95/0x1a0
[  238.389707][ T5475]  ? vscnprintf+0x80/0x80
[  238.394043][ T5475]  gfs2_fill_super+0x120f/0x1f00
[  238.399008][ T5475]  ? gfs2_reconfigure+0xd30/0xd30
[  238.404042][ T5475]  ? sb_set_blocksize+0xa5/0xe0
[  238.409014][ T5475]  get_tree_bdev+0x3f1/0x610
[  238.414235][ T5475]  ? gfs2_reconfigure+0xd30/0xd30
[  238.419298][ T5475]  gfs2_get_tree+0x4d/0x1e0
[  238.423789][ T5475]  vfs_get_tree+0x88/0x270
[  238.428209][ T5475]  do_new_mount+0x24a/0xa40
[  238.432722][ T5475]  __se_sys_mount+0x2e3/0x3d0
[  238.437421][ T5475]  ? __x64_sys_mount+0xc0/0xc0
[  238.442325][ T5475]  ? lockdep_hardirqs_on+0x94/0x140
[  238.447608][ T5475]  ? __x64_sys_mount+0x1c/0xc0
[  238.452371][ T5475]  do_syscall_64+0x4c/0xa0
[  238.457007][ T5475]  ? clear_bhb_loop+0x30/0x80
[  238.461738][ T5475]  ? clear_bhb_loop+0x30/0x80
[  238.466696][ T5475]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  238.472585][ T5475] RIP: 0033:0x7fddd18bff4a
[  238.477128][ T5475] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  238.497677][ T5475] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.506198][ T5475] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  238.514318][ T5475] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  238.522379][ T5475] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  238.530358][ T5475] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  238.538439][ T5475] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  238.546436][ T5475]  </TASK>
[  238.551591][ T5475] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  238.565516][ T5475] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  238.865073][ T5477] loop1: detected capacity change from 0 to 32768
[  238.963672][ T5477] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  238.971085][ T5477] CPU: 1 PID: 5477 Comm: syz.1.182 Not tainted syzkaller #0
[  238.978389][ T5477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  238.988632][ T5477] Call Trace:
[  238.991919][ T5477]  <TASK>
[  238.994852][ T5477]  dump_stack_lvl+0x188/0x250
[  238.999548][ T5477]  ? show_regs_print_info+0x20/0x20
[  239.004769][ T5477]  ? load_image+0x400/0x400
[  239.009385][ T5477]  sysfs_create_dir_ns+0x26a/0x290
[  239.014603][ T5477]  ? sysfs_warn_dup+0xa0/0xa0
[  239.019564][ T5477]  ? do_raw_spin_unlock+0x11d/0x230
[  239.025039][ T5477]  kobject_add_internal+0x6e0/0xd90
[  239.030254][ T5477]  kobject_init_and_add+0x128/0x190
[  239.035519][ T5477]  ? lockdep_softirqs_off+0x430/0x430
[  239.041189][ T5477]  ? kobject_add+0x230/0x230
[  239.045881][ T5477]  ? __init_swait_queue_head+0xa5/0x150
[  239.051683][ T5477]  gfs2_sys_fs_add+0x24f/0x4b0
[  239.056460][ T5477]  ? gfs2_recover_set+0x240/0x240
[  239.061576][ T5477]  ? snprintf+0xe5/0x140
[  239.065814][ T5477]  ? __free_pages+0x95/0x1a0
[  239.070396][ T5477]  ? vscnprintf+0x80/0x80
[  239.074715][ T5477]  gfs2_fill_super+0x120f/0x1f00
[  239.079648][ T5477]  ? gfs2_reconfigure+0xd30/0xd30
[  239.084771][ T5477]  ? sb_set_blocksize+0xa5/0xe0
[  239.089669][ T5477]  get_tree_bdev+0x3f1/0x610
[  239.094341][ T5477]  ? gfs2_reconfigure+0xd30/0xd30
[  239.099360][ T5477]  gfs2_get_tree+0x4d/0x1e0
[  239.103862][ T5477]  vfs_get_tree+0x88/0x270
[  239.108288][ T5477]  do_new_mount+0x24a/0xa40
[  239.112974][ T5477]  __se_sys_mount+0x2e3/0x3d0
[  239.117992][ T5477]  ? __x64_sys_mount+0xc0/0xc0
[  239.122839][ T5477]  ? lockdep_hardirqs_on+0x94/0x140
[  239.128038][ T5477]  ? __x64_sys_mount+0x1c/0xc0
[  239.132878][ T5477]  do_syscall_64+0x4c/0xa0
[  239.137317][ T5477]  ? clear_bhb_loop+0x30/0x80
[  239.141990][ T5477]  ? clear_bhb_loop+0x30/0x80
[  239.146650][ T5477]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  239.152777][ T5477] RIP: 0033:0x7fddd18bff4a
[  239.157204][ T5477] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  239.177179][ T5477] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.185590][ T5477] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  239.193807][ T5477] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  239.202186][ T5477] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  239.210258][ T5477] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  239.218414][ T5477] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  239.226395][ T5477]  </TASK>
[  239.231818][ T5477] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  239.245195][ T5477] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  239.543407][ T5479] loop1: detected capacity change from 0 to 32768
[  239.585925][ T5479] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  239.597181][ T5479] CPU: 1 PID: 5479 Comm: syz.1.183 Not tainted syzkaller #0
[  239.604752][ T5479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  239.615307][ T5479] Call Trace:
[  239.618610][ T5479]  <TASK>
[  239.621559][ T5479]  dump_stack_lvl+0x188/0x250
[  239.626255][ T5479]  ? show_regs_print_info+0x20/0x20
[  239.631568][ T5479]  ? load_image+0x400/0x400
[  239.636094][ T5479]  sysfs_create_dir_ns+0x26a/0x290
[  239.641393][ T5479]  ? sysfs_warn_dup+0xa0/0xa0
[  239.646085][ T5479]  ? do_raw_spin_unlock+0x11d/0x230
[  239.651414][ T5479]  kobject_add_internal+0x6e0/0xd90
[  239.656629][ T5479]  kobject_init_and_add+0x128/0x190
[  239.662106][ T5479]  ? lockdep_softirqs_off+0x430/0x430
[  239.667656][ T5479]  ? kobject_add+0x230/0x230
[  239.672441][ T5479]  ? __init_swait_queue_head+0xa5/0x150
[  239.678008][ T5479]  gfs2_sys_fs_add+0x24f/0x4b0
[  239.682883][ T5479]  ? gfs2_recover_set+0x240/0x240
[  239.687996][ T5479]  ? snprintf+0xe5/0x140
[  239.692580][ T5479]  ? __free_pages+0x95/0x1a0
[  239.697512][ T5479]  ? vscnprintf+0x80/0x80
[  239.702025][ T5479]  gfs2_fill_super+0x120f/0x1f00
[  239.707402][ T5479]  ? gfs2_reconfigure+0xd30/0xd30
[  239.712688][ T5479]  ? sb_set_blocksize+0xa5/0xe0
[  239.717597][ T5479]  get_tree_bdev+0x3f1/0x610
[  239.722186][ T5479]  ? gfs2_reconfigure+0xd30/0xd30
[  239.727213][ T5479]  gfs2_get_tree+0x4d/0x1e0
[  239.731721][ T5479]  vfs_get_tree+0x88/0x270
[  239.736213][ T5479]  do_new_mount+0x24a/0xa40
[  239.740718][ T5479]  __se_sys_mount+0x2e3/0x3d0
[  239.745386][ T5479]  ? __x64_sys_mount+0xc0/0xc0
[  239.750159][ T5479]  ? lockdep_hardirqs_on+0x94/0x140
[  239.755452][ T5479]  ? __x64_sys_mount+0x1c/0xc0
[  239.760608][ T5479]  do_syscall_64+0x4c/0xa0
[  239.765108][ T5479]  ? clear_bhb_loop+0x30/0x80
[  239.769800][ T5479]  ? clear_bhb_loop+0x30/0x80
[  239.774483][ T5479]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  239.781004][ T5479] RIP: 0033:0x7fddd18bff4a
[  239.785628][ T5479] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  239.806033][ T5479] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.815859][ T5479] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  239.825228][ T5479] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  239.833533][ T5479] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  239.841719][ T5479] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  239.849799][ T5479] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  239.858282][ T5479]  </TASK>
[  239.863888][ T5479] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  239.878112][ T5479] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  240.208784][ T5481] loop1: detected capacity change from 0 to 32768
[  240.253357][ T5481] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.261307][ T5481] CPU: 0 PID: 5481 Comm: syz.1.184 Not tainted syzkaller #0
[  240.268791][ T5481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  240.278869][ T5481] Call Trace:
[  240.282156][ T5481]  <TASK>
[  240.285091][ T5481]  dump_stack_lvl+0x188/0x250
[  240.290041][ T5481]  ? show_regs_print_info+0x20/0x20
[  240.295333][ T5481]  ? load_image+0x400/0x400
[  240.300652][ T5481]  sysfs_create_dir_ns+0x26a/0x290
[  240.306041][ T5481]  ? sysfs_warn_dup+0xa0/0xa0
[  240.311374][ T5481]  ? do_raw_spin_unlock+0x11d/0x230
[  240.316947][ T5481]  kobject_add_internal+0x6e0/0xd90
[  240.322345][ T5481]  kobject_init_and_add+0x128/0x190
[  240.327563][ T5481]  ? lockdep_softirqs_off+0x430/0x430
[  240.333384][ T5481]  ? kobject_add+0x230/0x230
[  240.337967][ T5481]  ? __init_swait_queue_head+0xa5/0x150
[  240.343898][ T5481]  gfs2_sys_fs_add+0x24f/0x4b0
[  240.348764][ T5481]  ? gfs2_recover_set+0x240/0x240
[  240.353980][ T5481]  ? snprintf+0xe5/0x140
[  240.358686][ T5481]  ? __free_pages+0x95/0x1a0
[  240.363760][ T5481]  ? vscnprintf+0x80/0x80
[  240.368209][ T5481]  gfs2_fill_super+0x120f/0x1f00
[  240.373345][ T5481]  ? gfs2_reconfigure+0xd30/0xd30
[  240.378793][ T5481]  ? sb_set_blocksize+0xa5/0xe0
[  240.384007][ T5481]  get_tree_bdev+0x3f1/0x610
[  240.389313][ T5481]  ? gfs2_reconfigure+0xd30/0xd30
[  240.394483][ T5481]  gfs2_get_tree+0x4d/0x1e0
[  240.399305][ T5481]  vfs_get_tree+0x88/0x270
[  240.403744][ T5481]  do_new_mount+0x24a/0xa40
[  240.408369][ T5481]  __se_sys_mount+0x2e3/0x3d0
[  240.413177][ T5481]  ? __x64_sys_mount+0xc0/0xc0
[  240.418076][ T5481]  ? lockdep_hardirqs_on+0x94/0x140
[  240.423277][ T5481]  ? __x64_sys_mount+0x1c/0xc0
[  240.428160][ T5481]  do_syscall_64+0x4c/0xa0
[  240.433492][ T5481]  ? clear_bhb_loop+0x30/0x80
[  240.438358][ T5481]  ? clear_bhb_loop+0x30/0x80
[  240.443857][ T5481]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  240.449970][ T5481] RIP: 0033:0x7fddd18bff4a
[  240.454622][ T5481] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  240.475264][ T5481] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.484551][ T5481] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  240.493916][ T5481] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  240.502510][ T5481] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  240.510661][ T5481] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  240.518740][ T5481] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  240.526910][ T5481]  </TASK>
[  240.530678][ T5481] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  240.544349][ T5481] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  240.893852][ T5483] loop1: detected capacity change from 0 to 32768
[  240.937020][ T5483] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.944799][ T5483] CPU: 0 PID: 5483 Comm: syz.1.185 Not tainted syzkaller #0
[  240.952299][ T5483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  240.962714][ T5483] Call Trace:
[  240.966552][ T5483]  <TASK>
[  240.969499][ T5483]  dump_stack_lvl+0x188/0x250
[  240.974382][ T5483]  ? show_regs_print_info+0x20/0x20
[  240.979590][ T5483]  ? load_image+0x400/0x400
[  240.984457][ T5483]  sysfs_create_dir_ns+0x26a/0x290
[  240.991391][ T5483]  ? sysfs_warn_dup+0xa0/0xa0
[  240.996197][ T5483]  ? do_raw_spin_unlock+0x11d/0x230
[  241.001410][ T5483]  kobject_add_internal+0x6e0/0xd90
[  241.006726][ T5483]  kobject_init_and_add+0x128/0x190
[  241.012034][ T5483]  ? lockdep_softirqs_off+0x430/0x430
[  241.017536][ T5483]  ? kobject_add+0x230/0x230
[  241.022315][ T5483]  ? __init_swait_queue_head+0xa5/0x150
[  241.027959][ T5483]  gfs2_sys_fs_add+0x24f/0x4b0
[  241.033214][ T5483]  ? gfs2_recover_set+0x240/0x240
[  241.038622][ T5483]  ? snprintf+0xe5/0x140
[  241.042946][ T5483]  ? __free_pages+0x95/0x1a0
[  241.047617][ T5483]  ? vscnprintf+0x80/0x80
[  241.052089][ T5483]  gfs2_fill_super+0x120f/0x1f00
[  241.057150][ T5483]  ? gfs2_reconfigure+0xd30/0xd30
[  241.062193][ T5483]  ? sb_set_blocksize+0xa5/0xe0
[  241.067953][ T5483]  get_tree_bdev+0x3f1/0x610
[  241.072639][ T5483]  ? gfs2_reconfigure+0xd30/0xd30
[  241.077782][ T5483]  gfs2_get_tree+0x4d/0x1e0
[  241.082368][ T5483]  vfs_get_tree+0x88/0x270
[  241.086839][ T5483]  do_new_mount+0x24a/0xa40
[  241.091526][ T5483]  __se_sys_mount+0x2e3/0x3d0
[  241.096216][ T5483]  ? __x64_sys_mount+0xc0/0xc0
[  241.100967][ T5483]  ? lockdep_hardirqs_on+0x94/0x140
[  241.106333][ T5483]  ? __x64_sys_mount+0x1c/0xc0
[  241.111327][ T5483]  do_syscall_64+0x4c/0xa0
[  241.116004][ T5483]  ? clear_bhb_loop+0x30/0x80
[  241.120890][ T5483]  ? clear_bhb_loop+0x30/0x80
[  241.125597][ T5483]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  241.131701][ T5483] RIP: 0033:0x7fddd18bff4a
[  241.136201][ T5483] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  241.155797][ T5483] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.164304][ T5483] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  241.172591][ T5483] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  241.180907][ T5483] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  241.188884][ T5483] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  241.197237][ T5483] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  241.205871][ T5483]  </TASK>
[  241.215482][ T5483] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  241.229291][ T5483] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  241.518365][ T5485] loop1: detected capacity change from 0 to 32768
[  241.583265][ T5485] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  241.591197][ T5485] CPU: 1 PID: 5485 Comm: syz.1.186 Not tainted syzkaller #0
[  241.598597][ T5485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  241.608938][ T5485] Call Trace:
[  241.612231][ T5485]  <TASK>
[  241.615174][ T5485]  dump_stack_lvl+0x188/0x250
[  241.619961][ T5485]  ? show_regs_print_info+0x20/0x20
[  241.625266][ T5485]  ? load_image+0x400/0x400
[  241.629792][ T5485]  sysfs_create_dir_ns+0x26a/0x290
[  241.634941][ T5485]  ? sysfs_warn_dup+0xa0/0xa0
[  241.639652][ T5485]  ? do_raw_spin_unlock+0x11d/0x230
[  241.644951][ T5485]  kobject_add_internal+0x6e0/0xd90
[  241.650287][ T5485]  kobject_init_and_add+0x128/0x190
[  241.655500][ T5485]  ? lockdep_softirqs_off+0x430/0x430
[  241.660980][ T5485]  ? kobject_add+0x230/0x230
[  241.665703][ T5485]  ? __init_swait_queue_head+0xa5/0x150
[  241.671356][ T5485]  gfs2_sys_fs_add+0x24f/0x4b0
[  241.676331][ T5485]  ? gfs2_recover_set+0x240/0x240
[  241.681450][ T5485]  ? snprintf+0xe5/0x140
[  241.685774][ T5485]  ? __free_pages+0x95/0x1a0
[  241.690355][ T5485]  ? vscnprintf+0x80/0x80
[  241.694766][ T5485]  gfs2_fill_super+0x120f/0x1f00
[  241.699720][ T5485]  ? gfs2_reconfigure+0xd30/0xd30
[  241.704750][ T5485]  ? sb_set_blocksize+0xa5/0xe0
[  241.709621][ T5485]  get_tree_bdev+0x3f1/0x610
[  241.714196][ T5485]  ? gfs2_reconfigure+0xd30/0xd30
[  241.719208][ T5485]  gfs2_get_tree+0x4d/0x1e0
[  241.723704][ T5485]  vfs_get_tree+0x88/0x270
[  241.728137][ T5485]  do_new_mount+0x24a/0xa40
[  241.732638][ T5485]  __se_sys_mount+0x2e3/0x3d0
[  241.737317][ T5485]  ? __x64_sys_mount+0xc0/0xc0
[  241.742167][ T5485]  ? lockdep_hardirqs_on+0x94/0x140
[  241.747364][ T5485]  ? __x64_sys_mount+0x1c/0xc0
[  241.752208][ T5485]  do_syscall_64+0x4c/0xa0
[  241.756637][ T5485]  ? clear_bhb_loop+0x30/0x80
[  241.761761][ T5485]  ? clear_bhb_loop+0x30/0x80
[  241.766435][ T5485]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  241.772372][ T5485] RIP: 0033:0x7fddd18bff4a
[  241.776824][ T5485] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  241.797144][ T5485] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.805978][ T5485] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  241.814033][ T5485] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  241.822431][ T5485] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  241.830508][ T5485] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  241.838473][ T5485] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  241.846803][ T5485]  </TASK>
[  241.851602][ T5485] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  241.864872][ T5485] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/05/22 15:23:50 executed programs: 172
[  242.157732][ T5487] loop1: detected capacity change from 0 to 32768
[  242.220692][ T5487] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  242.230359][ T5487] CPU: 0 PID: 5487 Comm: syz.1.187 Not tainted syzkaller #0
[  242.237668][ T5487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  242.247879][ T5487] Call Trace:
[  242.251168][ T5487]  <TASK>
[  242.254114][ T5487]  dump_stack_lvl+0x188/0x250
[  242.258809][ T5487]  ? show_regs_print_info+0x20/0x20
[  242.264024][ T5487]  ? load_image+0x400/0x400
[  242.268572][ T5487]  sysfs_create_dir_ns+0x26a/0x290
[  242.273823][ T5487]  ? sysfs_warn_dup+0xa0/0xa0
[  242.278605][ T5487]  ? do_raw_spin_unlock+0x11d/0x230
[  242.283923][ T5487]  kobject_add_internal+0x6e0/0xd90
[  242.289347][ T5487]  kobject_init_and_add+0x128/0x190
[  242.294674][ T5487]  ? lockdep_softirqs_off+0x430/0x430
[  242.300173][ T5487]  ? kobject_add+0x230/0x230
[  242.304882][ T5487]  ? __init_swait_queue_head+0xa5/0x150
[  242.310458][ T5487]  gfs2_sys_fs_add+0x24f/0x4b0
[  242.315414][ T5487]  ? gfs2_recover_set+0x240/0x240
[  242.320649][ T5487]  ? snprintf+0xe5/0x140
[  242.324910][ T5487]  ? __free_pages+0x95/0x1a0
[  242.329595][ T5487]  ? vscnprintf+0x80/0x80
[  242.333932][ T5487]  gfs2_fill_super+0x120f/0x1f00
[  242.338906][ T5487]  ? gfs2_reconfigure+0xd30/0xd30
[  242.343933][ T5487]  ? sb_set_blocksize+0xa5/0xe0
[  242.348876][ T5487]  get_tree_bdev+0x3f1/0x610
[  242.353485][ T5487]  ? gfs2_reconfigure+0xd30/0xd30
[  242.358526][ T5487]  gfs2_get_tree+0x4d/0x1e0
[  242.363133][ T5487]  vfs_get_tree+0x88/0x270
[  242.367540][ T5487]  do_new_mount+0x24a/0xa40
[  242.372060][ T5487]  __se_sys_mount+0x2e3/0x3d0
[  242.376743][ T5487]  ? __x64_sys_mount+0xc0/0xc0
[  242.381589][ T5487]  ? lockdep_hardirqs_on+0x94/0x140
[  242.386823][ T5487]  ? __x64_sys_mount+0x1c/0xc0
[  242.391734][ T5487]  do_syscall_64+0x4c/0xa0
[  242.396155][ T5487]  ? clear_bhb_loop+0x30/0x80
[  242.400825][ T5487]  ? clear_bhb_loop+0x30/0x80
[  242.405534][ T5487]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  242.411420][ T5487] RIP: 0033:0x7fddd18bff4a
[  242.415824][ T5487] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  242.435856][ T5487] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  242.444466][ T5487] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  242.452734][ T5487] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  242.460949][ T5487] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  242.469270][ T5487] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  242.477242][ T5487] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  242.485390][ T5487]  </TASK>
[  242.492101][ T5487] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  242.505972][ T5487] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  242.807754][ T5489] loop1: detected capacity change from 0 to 32768
[  242.856470][ T5489] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  242.864052][ T5489] CPU: 0 PID: 5489 Comm: syz.1.188 Not tainted syzkaller #0
[  242.871387][ T5489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  242.881716][ T5489] Call Trace:
[  242.885007][ T5489]  <TASK>
[  242.888138][ T5489]  dump_stack_lvl+0x188/0x250
[  242.892924][ T5489]  ? show_regs_print_info+0x20/0x20
[  242.898313][ T5489]  ? load_image+0x400/0x400
[  242.903011][ T5489]  sysfs_create_dir_ns+0x26a/0x290
[  242.908459][ T5489]  ? sysfs_warn_dup+0xa0/0xa0
[  242.913161][ T5489]  ? do_raw_spin_unlock+0x11d/0x230
[  242.918388][ T5489]  kobject_add_internal+0x6e0/0xd90
[  242.923997][ T5489]  kobject_init_and_add+0x128/0x190
[  242.929256][ T5489]  ? lockdep_softirqs_off+0x430/0x430
[  242.934739][ T5489]  ? kobject_add+0x230/0x230
[  242.939349][ T5489]  ? __init_swait_queue_head+0xa5/0x150
[  242.944926][ T5489]  gfs2_sys_fs_add+0x24f/0x4b0
[  242.950252][ T5489]  ? gfs2_recover_set+0x240/0x240
[  242.955462][ T5489]  ? snprintf+0xe5/0x140
[  242.960029][ T5489]  ? __free_pages+0x95/0x1a0
[  242.964888][ T5489]  ? vscnprintf+0x80/0x80
[  242.969246][ T5489]  gfs2_fill_super+0x120f/0x1f00
[  242.974220][ T5489]  ? gfs2_reconfigure+0xd30/0xd30
[  242.979366][ T5489]  ? sb_set_blocksize+0xa5/0xe0
[  242.984227][ T5489]  get_tree_bdev+0x3f1/0x610
[  242.988876][ T5489]  ? gfs2_reconfigure+0xd30/0xd30
[  242.993988][ T5489]  gfs2_get_tree+0x4d/0x1e0
[  242.998488][ T5489]  vfs_get_tree+0x88/0x270
[  243.003165][ T5489]  do_new_mount+0x24a/0xa40
[  243.007933][ T5489]  __se_sys_mount+0x2e3/0x3d0
[  243.012611][ T5489]  ? __x64_sys_mount+0xc0/0xc0
[  243.017495][ T5489]  ? lockdep_hardirqs_on+0x94/0x140
[  243.022692][ T5489]  ? __x64_sys_mount+0x1c/0xc0
[  243.027654][ T5489]  do_syscall_64+0x4c/0xa0
[  243.032257][ T5489]  ? clear_bhb_loop+0x30/0x80
[  243.037065][ T5489]  ? clear_bhb_loop+0x30/0x80
[  243.042095][ T5489]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  243.048000][ T5489] RIP: 0033:0x7fddd18bff4a
[  243.052423][ T5489] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  243.073049][ T5489] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.081752][ T5489] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  243.089959][ T5489] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  243.098014][ T5489] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  243.106162][ T5489] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  243.114140][ T5489] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  243.122314][ T5489]  </TASK>
[  243.126143][ T5489] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.139613][ T5489] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  243.437640][ T5491] loop1: detected capacity change from 0 to 32768
[  243.494315][ T5491] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  243.501959][ T5491] CPU: 1 PID: 5491 Comm: syz.1.189 Not tainted syzkaller #0
[  243.509527][ T5491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  243.519685][ T5491] Call Trace:
[  243.522971][ T5491]  <TASK>
[  243.525922][ T5491]  dump_stack_lvl+0x188/0x250
[  243.530626][ T5491]  ? show_regs_print_info+0x20/0x20
[  243.535842][ T5491]  ? load_image+0x400/0x400
[  243.540463][ T5491]  sysfs_create_dir_ns+0x26a/0x290
[  243.545869][ T5491]  ? sysfs_warn_dup+0xa0/0xa0
[  243.550766][ T5491]  ? do_raw_spin_unlock+0x11d/0x230
[  243.556077][ T5491]  kobject_add_internal+0x6e0/0xd90
[  243.561387][ T5491]  kobject_init_and_add+0x128/0x190
[  243.566968][ T5491]  ? lockdep_softirqs_off+0x430/0x430
[  243.572484][ T5491]  ? kobject_add+0x230/0x230
[  243.577092][ T5491]  ? __init_swait_queue_head+0xa5/0x150
[  243.582648][ T5491]  gfs2_sys_fs_add+0x24f/0x4b0
[  243.587534][ T5491]  ? gfs2_recover_set+0x240/0x240
[  243.592664][ T5491]  ? snprintf+0xe5/0x140
[  243.596907][ T5491]  ? __free_pages+0x95/0x1a0
[  243.601505][ T5491]  ? vscnprintf+0x80/0x80
[  243.605850][ T5491]  gfs2_fill_super+0x120f/0x1f00
[  243.610910][ T5491]  ? gfs2_reconfigure+0xd30/0xd30
[  243.616049][ T5491]  ? sb_set_blocksize+0xa5/0xe0
[  243.620903][ T5491]  get_tree_bdev+0x3f1/0x610
[  243.625510][ T5491]  ? gfs2_reconfigure+0xd30/0xd30
[  243.630534][ T5491]  gfs2_get_tree+0x4d/0x1e0
[  243.635029][ T5491]  vfs_get_tree+0x88/0x270
[  243.639448][ T5491]  do_new_mount+0x24a/0xa40
[  243.644031][ T5491]  __se_sys_mount+0x2e3/0x3d0
[  243.648878][ T5491]  ? __x64_sys_mount+0xc0/0xc0
[  243.653637][ T5491]  ? lockdep_hardirqs_on+0x94/0x140
[  243.658929][ T5491]  ? __x64_sys_mount+0x1c/0xc0
[  243.663898][ T5491]  do_syscall_64+0x4c/0xa0
[  243.668600][ T5491]  ? clear_bhb_loop+0x30/0x80
[  243.673309][ T5491]  ? clear_bhb_loop+0x30/0x80
[  243.678128][ T5491]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  243.684026][ T5491] RIP: 0033:0x7fddd18bff4a
[  243.688625][ T5491] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  243.708990][ T5491] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.717499][ T5491] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  243.725676][ T5491] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  243.733641][ T5491] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  243.741953][ T5491] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  243.749924][ T5491] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  243.757987][ T5491]  </TASK>
[  243.762968][ T5491] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.777251][ T5491] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  244.083817][ T5493] loop1: detected capacity change from 0 to 32768
[  244.130657][ T5493] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.139073][ T5493] CPU: 1 PID: 5493 Comm: syz.1.190 Not tainted syzkaller #0
[  244.146627][ T5493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  244.156883][ T5493] Call Trace:
[  244.160300][ T5493]  <TASK>
[  244.163343][ T5493]  dump_stack_lvl+0x188/0x250
[  244.168123][ T5493]  ? show_regs_print_info+0x20/0x20
[  244.173334][ T5493]  ? load_image+0x400/0x400
[  244.178171][ T5493]  sysfs_create_dir_ns+0x26a/0x290
[  244.183489][ T5493]  ? sysfs_warn_dup+0xa0/0xa0
[  244.188462][ T5493]  ? do_raw_spin_unlock+0x11d/0x230
[  244.193679][ T5493]  kobject_add_internal+0x6e0/0xd90
[  244.199513][ T5493]  kobject_init_and_add+0x128/0x190
[  244.204732][ T5493]  ? lockdep_softirqs_off+0x430/0x430
[  244.210242][ T5493]  ? kobject_add+0x230/0x230
[  244.215352][ T5493]  ? __init_swait_queue_head+0xa5/0x150
[  244.221654][ T5493]  gfs2_sys_fs_add+0x24f/0x4b0
[  244.226733][ T5493]  ? gfs2_recover_set+0x240/0x240
[  244.231834][ T5493]  ? snprintf+0xe5/0x140
[  244.236066][ T5493]  ? __free_pages+0x95/0x1a0
[  244.240655][ T5493]  ? vscnprintf+0x80/0x80
[  244.244980][ T5493]  gfs2_fill_super+0x120f/0x1f00
[  244.249915][ T5493]  ? gfs2_reconfigure+0xd30/0xd30
[  244.255029][ T5493]  ? sb_set_blocksize+0xa5/0xe0
[  244.260127][ T5493]  get_tree_bdev+0x3f1/0x610
[  244.264886][ T5493]  ? gfs2_reconfigure+0xd30/0xd30
[  244.270207][ T5493]  gfs2_get_tree+0x4d/0x1e0
[  244.274713][ T5493]  vfs_get_tree+0x88/0x270
[  244.279290][ T5493]  do_new_mount+0x24a/0xa40
[  244.283802][ T5493]  __se_sys_mount+0x2e3/0x3d0
[  244.288719][ T5493]  ? __x64_sys_mount+0xc0/0xc0
[  244.293672][ T5493]  ? lockdep_hardirqs_on+0x94/0x140
[  244.299431][ T5493]  ? __x64_sys_mount+0x1c/0xc0
[  244.305115][ T5493]  do_syscall_64+0x4c/0xa0
[  244.309539][ T5493]  ? clear_bhb_loop+0x30/0x80
[  244.314216][ T5493]  ? clear_bhb_loop+0x30/0x80
[  244.319236][ T5493]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  244.325220][ T5493] RIP: 0033:0x7fddd18bff4a
[  244.329712][ T5493] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  244.349308][ T5493] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.358179][ T5493] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  244.367360][ T5493] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  244.376307][ T5493] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  244.384896][ T5493] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  244.393042][ T5493] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  244.401257][ T5493]  </TASK>
[  244.406762][ T5493] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.420262][ T5493] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  244.744837][ T5495] loop1: detected capacity change from 0 to 32768
[  244.791505][ T5495] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.799577][ T5495] CPU: 1 PID: 5495 Comm: syz.1.191 Not tainted syzkaller #0
[  244.807326][ T5495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  244.817484][ T5495] Call Trace:
[  244.820854][ T5495]  <TASK>
[  244.823795][ T5495]  dump_stack_lvl+0x188/0x250
[  244.828767][ T5495]  ? show_regs_print_info+0x20/0x20
[  244.834081][ T5495]  ? load_image+0x400/0x400
[  244.838822][ T5495]  sysfs_create_dir_ns+0x26a/0x290
[  244.843954][ T5495]  ? sysfs_warn_dup+0xa0/0xa0
[  244.848654][ T5495]  ? do_raw_spin_unlock+0x11d/0x230
[  244.853871][ T5495]  kobject_add_internal+0x6e0/0xd90
[  244.859381][ T5495]  kobject_init_and_add+0x128/0x190
[  244.864773][ T5495]  ? lockdep_softirqs_off+0x430/0x430
[  244.870256][ T5495]  ? kobject_add+0x230/0x230
[  244.874993][ T5495]  ? __init_swait_queue_head+0xa5/0x150
[  244.880686][ T5495]  gfs2_sys_fs_add+0x24f/0x4b0
[  244.885462][ T5495]  ? gfs2_recover_set+0x240/0x240
[  244.890595][ T5495]  ? snprintf+0xe5/0x140
[  244.894936][ T5495]  ? __free_pages+0x95/0x1a0
[  244.899902][ T5495]  ? vscnprintf+0x80/0x80
[  244.904435][ T5495]  gfs2_fill_super+0x120f/0x1f00
[  244.909498][ T5495]  ? gfs2_reconfigure+0xd30/0xd30
[  244.914684][ T5495]  ? sb_set_blocksize+0xa5/0xe0
[  244.919918][ T5495]  get_tree_bdev+0x3f1/0x610
[  244.924705][ T5495]  ? gfs2_reconfigure+0xd30/0xd30
[  244.929821][ T5495]  gfs2_get_tree+0x4d/0x1e0
[  244.934319][ T5495]  vfs_get_tree+0x88/0x270
[  244.938761][ T5495]  do_new_mount+0x24a/0xa40
[  244.943467][ T5495]  __se_sys_mount+0x2e3/0x3d0
[  244.948173][ T5495]  ? __x64_sys_mount+0xc0/0xc0
[  244.952948][ T5495]  ? lockdep_hardirqs_on+0x94/0x140
[  244.958178][ T5495]  ? __x64_sys_mount+0x1c/0xc0
[  244.963112][ T5495]  do_syscall_64+0x4c/0xa0
[  244.967615][ T5495]  ? clear_bhb_loop+0x30/0x80
[  244.972463][ T5495]  ? clear_bhb_loop+0x30/0x80
[  244.977136][ T5495]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  244.983024][ T5495] RIP: 0033:0x7fddd18bff4a
[  244.987894][ T5495] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  245.008634][ T5495] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.017173][ T5495] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  245.025141][ T5495] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  245.033420][ T5495] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  245.041442][ T5495] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  245.049736][ T5495] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  245.058136][ T5495]  </TASK>
[  245.063613][ T5495] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  245.077954][ T5495] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  245.383179][ T5497] loop1: detected capacity change from 0 to 32768
[  245.430325][ T5497] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  245.439124][ T5497] CPU: 0 PID: 5497 Comm: syz.1.192 Not tainted syzkaller #0
[  245.446452][ T5497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  245.456519][ T5497] Call Trace:
[  245.459814][ T5497]  <TASK>
[  245.462750][ T5497]  dump_stack_lvl+0x188/0x250
[  245.467450][ T5497]  ? show_regs_print_info+0x20/0x20
[  245.472668][ T5497]  ? load_image+0x400/0x400
[  245.477194][ T5497]  sysfs_create_dir_ns+0x26a/0x290
[  245.482321][ T5497]  ? sysfs_warn_dup+0xa0/0xa0
[  245.488345][ T5497]  ? do_raw_spin_unlock+0x11d/0x230
[  245.493820][ T5497]  kobject_add_internal+0x6e0/0xd90
[  245.499405][ T5497]  kobject_init_and_add+0x128/0x190
[  245.504811][ T5497]  ? lockdep_softirqs_off+0x430/0x430
[  245.511061][ T5497]  ? kobject_add+0x230/0x230
[  245.515759][ T5497]  ? __init_swait_queue_head+0xa5/0x150
[  245.521454][ T5497]  gfs2_sys_fs_add+0x24f/0x4b0
[  245.526543][ T5497]  ? gfs2_recover_set+0x240/0x240
[  245.531570][ T5497]  ? snprintf+0xe5/0x140
[  245.535898][ T5497]  ? __free_pages+0x95/0x1a0
[  245.540483][ T5497]  ? vscnprintf+0x80/0x80
[  245.545029][ T5497]  gfs2_fill_super+0x120f/0x1f00
[  245.550175][ T5497]  ? gfs2_reconfigure+0xd30/0xd30
[  245.555534][ T5497]  ? sb_set_blocksize+0xa5/0xe0
[  245.560925][ T5497]  get_tree_bdev+0x3f1/0x610
[  245.566779][ T5497]  ? gfs2_reconfigure+0xd30/0xd30
[  245.572008][ T5497]  gfs2_get_tree+0x4d/0x1e0
[  245.576756][ T5497]  vfs_get_tree+0x88/0x270
[  245.581292][ T5497]  do_new_mount+0x24a/0xa40
[  245.585898][ T5497]  __se_sys_mount+0x2e3/0x3d0
[  245.590604][ T5497]  ? __x64_sys_mount+0xc0/0xc0
[  245.595398][ T5497]  ? lockdep_hardirqs_on+0x94/0x140
[  245.600956][ T5497]  ? __x64_sys_mount+0x1c/0xc0
[  245.606149][ T5497]  do_syscall_64+0x4c/0xa0
[  245.610568][ T5497]  ? clear_bhb_loop+0x30/0x80
[  245.615321][ T5497]  ? clear_bhb_loop+0x30/0x80
[  245.620041][ T5497]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  245.625922][ T5497] RIP: 0033:0x7fddd18bff4a
[  245.630529][ T5497] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  245.650676][ T5497] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.659080][ T5497] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  245.667134][ T5497] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  245.675452][ T5497] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  245.683529][ T5497] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  245.691578][ T5497] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  245.700196][ T5497]  </TASK>
[  245.710595][ T5497] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  245.725507][ T5497] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  246.053239][ T5499] loop1: detected capacity change from 0 to 32768
[  246.113318][ T5499] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.120747][ T5499] CPU: 1 PID: 5499 Comm: syz.1.193 Not tainted syzkaller #0
[  246.128044][ T5499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  246.138327][ T5499] Call Trace:
[  246.141615][ T5499]  <TASK>
[  246.144550][ T5499]  dump_stack_lvl+0x188/0x250
[  246.149331][ T5499]  ? show_regs_print_info+0x20/0x20
[  246.154543][ T5499]  ? load_image+0x400/0x400
[  246.159066][ T5499]  sysfs_create_dir_ns+0x26a/0x290
[  246.164313][ T5499]  ? sysfs_warn_dup+0xa0/0xa0
[  246.169004][ T5499]  ? do_raw_spin_unlock+0x11d/0x230
[  246.174216][ T5499]  kobject_add_internal+0x6e0/0xd90
[  246.179427][ T5499]  kobject_init_and_add+0x128/0x190
[  246.184875][ T5499]  ? lockdep_softirqs_off+0x430/0x430
[  246.190284][ T5499]  ? kobject_add+0x230/0x230
[  246.194999][ T5499]  ? __init_swait_queue_head+0xa5/0x150
[  246.200625][ T5499]  gfs2_sys_fs_add+0x24f/0x4b0
[  246.205690][ T5499]  ? gfs2_recover_set+0x240/0x240
[  246.210739][ T5499]  ? snprintf+0xe5/0x140
[  246.215150][ T5499]  ? __free_pages+0x95/0x1a0
[  246.219742][ T5499]  ? vscnprintf+0x80/0x80
[  246.224099][ T5499]  gfs2_fill_super+0x120f/0x1f00
[  246.229053][ T5499]  ? gfs2_reconfigure+0xd30/0xd30
[  246.234164][ T5499]  ? sb_set_blocksize+0xa5/0xe0
[  246.239145][ T5499]  get_tree_bdev+0x3f1/0x610
[  246.243737][ T5499]  ? gfs2_reconfigure+0xd30/0xd30
[  246.248768][ T5499]  gfs2_get_tree+0x4d/0x1e0
[  246.253452][ T5499]  vfs_get_tree+0x88/0x270
[  246.258056][ T5499]  do_new_mount+0x24a/0xa40
[  246.262650][ T5499]  __se_sys_mount+0x2e3/0x3d0
[  246.267355][ T5499]  ? __x64_sys_mount+0xc0/0xc0
[  246.272118][ T5499]  ? lockdep_hardirqs_on+0x94/0x140
[  246.277511][ T5499]  ? __x64_sys_mount+0x1c/0xc0
[  246.282839][ T5499]  do_syscall_64+0x4c/0xa0
[  246.287354][ T5499]  ? clear_bhb_loop+0x30/0x80
[  246.292024][ T5499]  ? clear_bhb_loop+0x30/0x80
[  246.297139][ T5499]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  246.303243][ T5499] RIP: 0033:0x7fddd18bff4a
[  246.307751][ T5499] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  246.327619][ T5499] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.336693][ T5499] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  246.344833][ T5499] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  246.353156][ T5499] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  246.361217][ T5499] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  246.369564][ T5499] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  246.377811][ T5499]  </TASK>
[  246.382969][ T5499] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.396454][ T5499] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  246.710703][ T5501] loop1: detected capacity change from 0 to 32768
[  246.724791][ T5501] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.732480][ T5501] CPU: 0 PID: 5501 Comm: syz.1.194 Not tainted syzkaller #0
[  246.739913][ T5501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  246.750240][ T5501] Call Trace:
[  246.753790][ T5501]  <TASK>
[  246.756737][ T5501]  dump_stack_lvl+0x188/0x250
[  246.761441][ T5501]  ? show_regs_print_info+0x20/0x20
[  246.766733][ T5501]  ? load_image+0x400/0x400
[  246.771241][ T5501]  sysfs_create_dir_ns+0x26a/0x290
[  246.776342][ T5501]  ? sysfs_warn_dup+0xa0/0xa0
[  246.781298][ T5501]  ? do_raw_spin_unlock+0x11d/0x230
[  246.786694][ T5501]  kobject_add_internal+0x6e0/0xd90
[  246.792232][ T5501]  kobject_init_and_add+0x128/0x190
[  246.797556][ T5501]  ? lockdep_softirqs_off+0x430/0x430
[  246.803411][ T5501]  ? kobject_add+0x230/0x230
[  246.808103][ T5501]  ? __init_swait_queue_head+0xa5/0x150
[  246.813636][ T5501]  gfs2_sys_fs_add+0x24f/0x4b0
[  246.818399][ T5501]  ? gfs2_recover_set+0x240/0x240
[  246.823496][ T5501]  ? snprintf+0xe5/0x140
[  246.827811][ T5501]  ? __free_pages+0x95/0x1a0
[  246.832387][ T5501]  ? vscnprintf+0x80/0x80
[  246.836980][ T5501]  gfs2_fill_super+0x120f/0x1f00
[  246.841911][ T5501]  ? gfs2_reconfigure+0xd30/0xd30
[  246.847083][ T5501]  ? sb_set_blocksize+0xa5/0xe0
[  246.852055][ T5501]  get_tree_bdev+0x3f1/0x610
[  246.857051][ T5501]  ? gfs2_reconfigure+0xd30/0xd30
[  246.862686][ T5501]  gfs2_get_tree+0x4d/0x1e0
[  246.867201][ T5501]  vfs_get_tree+0x88/0x270
[  246.871611][ T5501]  do_new_mount+0x24a/0xa40
[  246.876447][ T5501]  __se_sys_mount+0x2e3/0x3d0
[  246.881290][ T5501]  ? __x64_sys_mount+0xc0/0xc0
[  246.886047][ T5501]  ? lockdep_hardirqs_on+0x94/0x140
[  246.891239][ T5501]  ? __x64_sys_mount+0x1c/0xc0
[  246.896006][ T5501]  do_syscall_64+0x4c/0xa0
[  246.901084][ T5501]  ? clear_bhb_loop+0x30/0x80
[  246.905969][ T5501]  ? clear_bhb_loop+0x30/0x80
[  246.910792][ T5501]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  246.916687][ T5501] RIP: 0033:0x7fddd18bff4a
[  246.921181][ T5501] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  246.940795][ T5501] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.949291][ T5501] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  246.957382][ T5501] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  246.965450][ T5501] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  246.973493][ T5501] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  246.981470][ T5501] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  246.989629][ T5501]  </TASK>
[  246.997410][ T5501] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.010944][ T5501] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/05/22 15:23:55 executed programs: 180
[  247.329038][ T5503] loop1: detected capacity change from 0 to 32768
[  247.380656][ T5503] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  247.389134][ T5503] CPU: 1 PID: 5503 Comm: syz.1.195 Not tainted syzkaller #0
[  247.396541][ T5503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  247.406917][ T5503] Call Trace:
[  247.410295][ T5503]  <TASK>
[  247.413321][ T5503]  dump_stack_lvl+0x188/0x250
[  247.418025][ T5503]  ? show_regs_print_info+0x20/0x20
[  247.423330][ T5503]  ? load_image+0x400/0x400
[  247.427857][ T5503]  sysfs_create_dir_ns+0x26a/0x290
[  247.433041][ T5503]  ? sysfs_warn_dup+0xa0/0xa0
[  247.437821][ T5503]  ? do_raw_spin_unlock+0x11d/0x230
[  247.443052][ T5503]  kobject_add_internal+0x6e0/0xd90
[  247.448388][ T5503]  kobject_init_and_add+0x128/0x190
[  247.453605][ T5503]  ? lockdep_softirqs_off+0x430/0x430
[  247.459000][ T5503]  ? kobject_add+0x230/0x230
[  247.463592][ T5503]  ? __init_swait_queue_head+0xa5/0x150
[  247.469312][ T5503]  gfs2_sys_fs_add+0x24f/0x4b0
[  247.474384][ T5503]  ? gfs2_recover_set+0x240/0x240
[  247.479421][ T5503]  ? snprintf+0xe5/0x140
[  247.484191][ T5503]  ? __free_pages+0x95/0x1a0
[  247.489685][ T5503]  ? vscnprintf+0x80/0x80
[  247.494776][ T5503]  gfs2_fill_super+0x120f/0x1f00
[  247.501071][ T5503]  ? gfs2_reconfigure+0xd30/0xd30
[  247.506453][ T5503]  ? sb_set_blocksize+0xa5/0xe0
[  247.511321][ T5503]  get_tree_bdev+0x3f1/0x610
[  247.516083][ T5503]  ? gfs2_reconfigure+0xd30/0xd30
[  247.521321][ T5503]  gfs2_get_tree+0x4d/0x1e0
[  247.526126][ T5503]  vfs_get_tree+0x88/0x270
[  247.530845][ T5503]  do_new_mount+0x24a/0xa40
[  247.535356][ T5503]  __se_sys_mount+0x2e3/0x3d0
[  247.540347][ T5503]  ? __x64_sys_mount+0xc0/0xc0
[  247.545121][ T5503]  ? lockdep_hardirqs_on+0x94/0x140
[  247.550521][ T5503]  ? __x64_sys_mount+0x1c/0xc0
[  247.555386][ T5503]  do_syscall_64+0x4c/0xa0
[  247.560161][ T5503]  ? clear_bhb_loop+0x30/0x80
[  247.564963][ T5503]  ? clear_bhb_loop+0x30/0x80
[  247.569666][ T5503]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  247.575786][ T5503] RIP: 0033:0x7fddd18bff4a
[  247.580722][ T5503] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  247.600837][ T5503] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.609480][ T5503] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  247.617766][ T5503] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  247.625801][ T5503] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  247.633893][ T5503] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  247.644401][ T5503] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  247.652495][ T5503]  </TASK>
[  247.657872][ T5503] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.672284][ T5503] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  247.983184][ T5505] loop1: detected capacity change from 0 to 32768
[  248.078350][ T5505] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.086077][ T5505] CPU: 0 PID: 5505 Comm: syz.1.196 Not tainted syzkaller #0
[  248.093385][ T5505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  248.104047][ T5505] Call Trace:
[  248.107429][ T5505]  <TASK>
[  248.110372][ T5505]  dump_stack_lvl+0x188/0x250
[  248.115239][ T5505]  ? show_regs_print_info+0x20/0x20
[  248.120644][ T5505]  ? load_image+0x400/0x400
[  248.125180][ T5505]  sysfs_create_dir_ns+0x26a/0x290
[  248.130721][ T5505]  ? sysfs_warn_dup+0xa0/0xa0
[  248.135512][ T5505]  ? do_raw_spin_unlock+0x11d/0x230
[  248.140726][ T5505]  kobject_add_internal+0x6e0/0xd90
[  248.146133][ T5505]  kobject_init_and_add+0x128/0x190
[  248.151418][ T5505]  ? lockdep_softirqs_off+0x430/0x430
[  248.156962][ T5505]  ? kobject_add+0x230/0x230
[  248.161561][ T5505]  ? __init_swait_queue_head+0xa5/0x150
[  248.167360][ T5505]  gfs2_sys_fs_add+0x24f/0x4b0
[  248.172127][ T5505]  ? gfs2_recover_set+0x240/0x240
[  248.177147][ T5505]  ? snprintf+0xe5/0x140
[  248.181390][ T5505]  ? __free_pages+0x95/0x1a0
[  248.186002][ T5505]  ? vscnprintf+0x80/0x80
[  248.190328][ T5505]  gfs2_fill_super+0x120f/0x1f00
[  248.195274][ T5505]  ? gfs2_reconfigure+0xd30/0xd30
[  248.200706][ T5505]  ? sb_set_blocksize+0xa5/0xe0
[  248.205560][ T5505]  get_tree_bdev+0x3f1/0x610
[  248.210156][ T5505]  ? gfs2_reconfigure+0xd30/0xd30
[  248.215456][ T5505]  gfs2_get_tree+0x4d/0x1e0
[  248.220388][ T5505]  vfs_get_tree+0x88/0x270
[  248.224981][ T5505]  do_new_mount+0x24a/0xa40
[  248.229748][ T5505]  __se_sys_mount+0x2e3/0x3d0
[  248.234448][ T5505]  ? __x64_sys_mount+0xc0/0xc0
[  248.239338][ T5505]  ? lockdep_hardirqs_on+0x94/0x140
[  248.244601][ T5505]  ? __x64_sys_mount+0x1c/0xc0
[  248.249667][ T5505]  do_syscall_64+0x4c/0xa0
[  248.254093][ T5505]  ? clear_bhb_loop+0x30/0x80
[  248.258766][ T5505]  ? clear_bhb_loop+0x30/0x80
[  248.263426][ T5505]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  248.269741][ T5505] RIP: 0033:0x7fddd18bff4a
[  248.274464][ T5505] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  248.294064][ T5505] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.302566][ T5505] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  248.311450][ T5505] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  248.320122][ T5505] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  248.328093][ T5505] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  248.336164][ T5505] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  248.344140][ T5505]  </TASK>
[  248.347963][ T5505] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  248.361525][ T5505] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  248.678142][ T5507] loop1: detected capacity change from 0 to 32768
[  248.732491][ T5507] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.740076][ T5507] CPU: 1 PID: 5507 Comm: syz.1.197 Not tainted syzkaller #0
[  248.747643][ T5507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  248.757887][ T5507] Call Trace:
[  248.761181][ T5507]  <TASK>
[  248.764118][ T5507]  dump_stack_lvl+0x188/0x250
[  248.768983][ T5507]  ? show_regs_print_info+0x20/0x20
[  248.774612][ T5507]  ? load_image+0x400/0x400
[  248.779229][ T5507]  sysfs_create_dir_ns+0x26a/0x290
[  248.784529][ T5507]  ? sysfs_warn_dup+0xa0/0xa0
[  248.789316][ T5507]  ? do_raw_spin_unlock+0x11d/0x230
[  248.794541][ T5507]  kobject_add_internal+0x6e0/0xd90
[  248.799767][ T5507]  kobject_init_and_add+0x128/0x190
[  248.805001][ T5507]  ? lockdep_softirqs_off+0x430/0x430
[  248.810496][ T5507]  ? kobject_add+0x230/0x230
[  248.815328][ T5507]  ? __init_swait_queue_head+0xa5/0x150
[  248.821044][ T5507]  gfs2_sys_fs_add+0x24f/0x4b0
[  248.825991][ T5507]  ? gfs2_recover_set+0x240/0x240
[  248.831108][ T5507]  ? snprintf+0xe5/0x140
[  248.835360][ T5507]  ? __free_pages+0x95/0x1a0
[  248.839987][ T5507]  ? vscnprintf+0x80/0x80
[  248.844419][ T5507]  gfs2_fill_super+0x120f/0x1f00
[  248.849358][ T5507]  ? gfs2_reconfigure+0xd30/0xd30
[  248.854377][ T5507]  ? sb_set_blocksize+0xa5/0xe0
[  248.859226][ T5507]  get_tree_bdev+0x3f1/0x610
[  248.863834][ T5507]  ? gfs2_reconfigure+0xd30/0xd30
[  248.868891][ T5507]  gfs2_get_tree+0x4d/0x1e0
[  248.873616][ T5507]  vfs_get_tree+0x88/0x270
[  248.878120][ T5507]  do_new_mount+0x24a/0xa40
[  248.882621][ T5507]  __se_sys_mount+0x2e3/0x3d0
[  248.887427][ T5507]  ? __x64_sys_mount+0xc0/0xc0
[  248.892558][ T5507]  ? lockdep_hardirqs_on+0x94/0x140
[  248.897955][ T5507]  ? __x64_sys_mount+0x1c/0xc0
[  248.902709][ T5507]  do_syscall_64+0x4c/0xa0
[  248.907110][ T5507]  ? clear_bhb_loop+0x30/0x80
[  248.912050][ T5507]  ? clear_bhb_loop+0x30/0x80
[  248.916744][ T5507]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  248.922753][ T5507] RIP: 0033:0x7fddd18bff4a
[  248.927163][ T5507] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  248.946755][ T5507] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.955156][ T5507] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  248.963586][ T5507] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  248.971919][ T5507] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  248.980281][ T5507] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  248.988604][ T5507] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  248.996761][ T5507]  </TASK>
[  249.001760][ T5507] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  249.015401][ T5507] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  249.346982][ T5509] loop1: detected capacity change from 0 to 32768
[  249.413008][ T5509] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  249.420552][ T5509] CPU: 1 PID: 5509 Comm: syz.1.198 Not tainted syzkaller #0
[  249.427932][ T5509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  249.438001][ T5509] Call Trace:
[  249.441293][ T5509]  <TASK>
[  249.444228][ T5509]  dump_stack_lvl+0x188/0x250
[  249.448922][ T5509]  ? show_regs_print_info+0x20/0x20
[  249.454137][ T5509]  ? load_image+0x400/0x400
[  249.459101][ T5509]  sysfs_create_dir_ns+0x26a/0x290
[  249.464578][ T5509]  ? sysfs_warn_dup+0xa0/0xa0
[  249.469371][ T5509]  ? do_raw_spin_unlock+0x11d/0x230
[  249.474685][ T5509]  kobject_add_internal+0x6e0/0xd90
[  249.480001][ T5509]  kobject_init_and_add+0x128/0x190
[  249.485658][ T5509]  ? lockdep_softirqs_off+0x430/0x430
[  249.491211][ T5509]  ? kobject_add+0x230/0x230
[  249.496119][ T5509]  ? __init_swait_queue_head+0xa5/0x150
[  249.501778][ T5509]  gfs2_sys_fs_add+0x24f/0x4b0
[  249.506545][ T5509]  ? gfs2_recover_set+0x240/0x240
[  249.511564][ T5509]  ? snprintf+0xe5/0x140
[  249.515797][ T5509]  ? __free_pages+0x95/0x1a0
[  249.520564][ T5509]  ? vscnprintf+0x80/0x80
[  249.525281][ T5509]  gfs2_fill_super+0x120f/0x1f00
[  249.531105][ T5509]  ? gfs2_reconfigure+0xd30/0xd30
[  249.536747][ T5509]  ? sb_set_blocksize+0xa5/0xe0
[  249.541605][ T5509]  get_tree_bdev+0x3f1/0x610
[  249.546226][ T5509]  ? gfs2_reconfigure+0xd30/0xd30
[  249.551612][ T5509]  gfs2_get_tree+0x4d/0x1e0
[  249.556136][ T5509]  vfs_get_tree+0x88/0x270
[  249.560603][ T5509]  do_new_mount+0x24a/0xa40
[  249.565149][ T5509]  __se_sys_mount+0x2e3/0x3d0
[  249.569837][ T5509]  ? __x64_sys_mount+0xc0/0xc0
[  249.574703][ T5509]  ? lockdep_hardirqs_on+0x94/0x140
[  249.580191][ T5509]  ? __x64_sys_mount+0x1c/0xc0
[  249.585053][ T5509]  do_syscall_64+0x4c/0xa0
[  249.589498][ T5509]  ? clear_bhb_loop+0x30/0x80
[  249.594623][ T5509]  ? clear_bhb_loop+0x30/0x80
[  249.599316][ T5509]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  249.605208][ T5509] RIP: 0033:0x7fddd18bff4a
[  249.609865][ T5509] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  249.629710][ T5509] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  249.638375][ T5509] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  249.646342][ T5509] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  249.654312][ T5509] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  249.663096][ T5509] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  249.671330][ T5509] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  249.679488][ T5509]  </TASK>
[  249.684325][ T5509] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  249.698001][ T5509] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  250.027620][ T5511] loop1: detected capacity change from 0 to 32768
[  250.082397][ T5511] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.092305][ T5511] CPU: 0 PID: 5511 Comm: syz.1.199 Not tainted syzkaller #0
[  250.099895][ T5511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  250.110979][ T5511] Call Trace:
[  250.114277][ T5511]  <TASK>
[  250.117567][ T5511]  dump_stack_lvl+0x188/0x250
[  250.122267][ T5511]  ? show_regs_print_info+0x20/0x20
[  250.127717][ T5511]  ? load_image+0x400/0x400
[  250.132486][ T5511]  sysfs_create_dir_ns+0x26a/0x290
[  250.137719][ T5511]  ? sysfs_warn_dup+0xa0/0xa0
[  250.142683][ T5511]  ? do_raw_spin_unlock+0x11d/0x230
[  250.147898][ T5511]  kobject_add_internal+0x6e0/0xd90
[  250.153309][ T5511]  kobject_init_and_add+0x128/0x190
[  250.158708][ T5511]  ? lockdep_softirqs_off+0x430/0x430
[  250.164103][ T5511]  ? kobject_add+0x230/0x230
[  250.168713][ T5511]  ? __init_swait_queue_head+0xa5/0x150
[  250.174555][ T5511]  gfs2_sys_fs_add+0x24f/0x4b0
[  250.180007][ T5511]  ? gfs2_recover_set+0x240/0x240
[  250.185331][ T5511]  ? snprintf+0xe5/0x140
[  250.189695][ T5511]  ? __free_pages+0x95/0x1a0
[  250.194277][ T5511]  ? vscnprintf+0x80/0x80
[  250.198858][ T5511]  gfs2_fill_super+0x120f/0x1f00
[  250.203801][ T5511]  ? gfs2_reconfigure+0xd30/0xd30
[  250.208961][ T5511]  ? sb_set_blocksize+0xa5/0xe0
[  250.213880][ T5511]  get_tree_bdev+0x3f1/0x610
[  250.218855][ T5511]  ? gfs2_reconfigure+0xd30/0xd30
[  250.224541][ T5511]  gfs2_get_tree+0x4d/0x1e0
[  250.229252][ T5511]  vfs_get_tree+0x88/0x270
[  250.233793][ T5511]  do_new_mount+0x24a/0xa40
[  250.238431][ T5511]  __se_sys_mount+0x2e3/0x3d0
[  250.243430][ T5511]  ? __x64_sys_mount+0xc0/0xc0
[  250.248309][ T5511]  ? lockdep_hardirqs_on+0x94/0x140
[  250.253679][ T5511]  ? __x64_sys_mount+0x1c/0xc0
[  250.258628][ T5511]  do_syscall_64+0x4c/0xa0
[  250.263046][ T5511]  ? clear_bhb_loop+0x30/0x80
[  250.267818][ T5511]  ? clear_bhb_loop+0x30/0x80
[  250.272491][ T5511]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  250.278402][ T5511] RIP: 0033:0x7fddd18bff4a
[  250.282836][ T5511] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  250.303706][ T5511] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.312587][ T5511] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  250.320997][ T5511] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  250.329051][ T5511] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  250.337421][ T5511] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  250.345710][ T5511] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  250.354125][ T5511]  </TASK>
[  250.358061][ T5511] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  250.371888][ T5511] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  250.670040][ T5513] loop1: detected capacity change from 0 to 32768
[  250.720658][ T5513] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.728956][ T5513] CPU: 0 PID: 5513 Comm: syz.1.200 Not tainted syzkaller #0
[  250.737392][ T5513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  250.747555][ T5513] Call Trace:
[  250.750946][ T5513]  <TASK>
[  250.754079][ T5513]  dump_stack_lvl+0x188/0x250
[  250.759732][ T5513]  ? show_regs_print_info+0x20/0x20
[  250.765242][ T5513]  ? load_image+0x400/0x400
[  250.769864][ T5513]  sysfs_create_dir_ns+0x26a/0x290
[  250.775625][ T5513]  ? sysfs_warn_dup+0xa0/0xa0
[  250.780959][ T5513]  ? do_raw_spin_unlock+0x11d/0x230
[  250.786735][ T5513]  kobject_add_internal+0x6e0/0xd90
[  250.792283][ T5513]  kobject_init_and_add+0x128/0x190
[  250.797592][ T5513]  ? lockdep_softirqs_off+0x430/0x430
[  250.803755][ T5513]  ? kobject_add+0x230/0x230
[  250.808544][ T5513]  ? __init_swait_queue_head+0xa5/0x150
[  250.814125][ T5513]  gfs2_sys_fs_add+0x24f/0x4b0
[  250.819094][ T5513]  ? gfs2_recover_set+0x240/0x240
[  250.824261][ T5513]  ? snprintf+0xe5/0x140
[  250.828559][ T5513]  ? __free_pages+0x95/0x1a0
[  250.833287][ T5513]  ? vscnprintf+0x80/0x80
[  250.837669][ T5513]  gfs2_fill_super+0x120f/0x1f00
[  250.842707][ T5513]  ? gfs2_reconfigure+0xd30/0xd30
[  250.847905][ T5513]  ? sb_set_blocksize+0xa5/0xe0
[  250.852937][ T5513]  get_tree_bdev+0x3f1/0x610
[  250.857863][ T5513]  ? gfs2_reconfigure+0xd30/0xd30
[  250.863952][ T5513]  gfs2_get_tree+0x4d/0x1e0
[  250.868486][ T5513]  vfs_get_tree+0x88/0x270
[  250.872986][ T5513]  do_new_mount+0x24a/0xa40
[  250.877585][ T5513]  __se_sys_mount+0x2e3/0x3d0
[  250.882343][ T5513]  ? __x64_sys_mount+0xc0/0xc0
[  250.887097][ T5513]  ? lockdep_hardirqs_on+0x94/0x140
[  250.892497][ T5513]  ? __x64_sys_mount+0x1c/0xc0
[  250.897380][ T5513]  do_syscall_64+0x4c/0xa0
[  250.901914][ T5513]  ? clear_bhb_loop+0x30/0x80
[  250.907029][ T5513]  ? clear_bhb_loop+0x30/0x80
[  250.912009][ T5513]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  250.918306][ T5513] RIP: 0033:0x7fddd18bff4a
[  250.922719][ T5513] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  250.942994][ T5513] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.951523][ T5513] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  250.959783][ T5513] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  250.967860][ T5513] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  250.976368][ T5513] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  250.985106][ T5513] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  250.993204][ T5513]  </TASK>
[  251.000903][ T5513] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.016740][ T5513] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  251.341444][ T5515] loop1: detected capacity change from 0 to 32768
[  251.435912][ T5515] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  251.443903][ T5515] CPU: 1 PID: 5515 Comm: syz.1.201 Not tainted syzkaller #0
[  251.451207][ T5515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  251.461489][ T5515] Call Trace:
[  251.464783][ T5515]  <TASK>
[  251.467814][ T5515]  dump_stack_lvl+0x188/0x250
[  251.472692][ T5515]  ? show_regs_print_info+0x20/0x20
[  251.478018][ T5515]  ? load_image+0x400/0x400
[  251.482747][ T5515]  sysfs_create_dir_ns+0x26a/0x290
[  251.488064][ T5515]  ? sysfs_warn_dup+0xa0/0xa0
[  251.492855][ T5515]  ? do_raw_spin_unlock+0x11d/0x230
[  251.498185][ T5515]  kobject_add_internal+0x6e0/0xd90
[  251.503497][ T5515]  kobject_init_and_add+0x128/0x190
[  251.508697][ T5515]  ? lockdep_softirqs_off+0x430/0x430
[  251.514160][ T5515]  ? kobject_add+0x230/0x230
[  251.518758][ T5515]  ? __init_swait_queue_head+0xa5/0x150
[  251.524320][ T5515]  gfs2_sys_fs_add+0x24f/0x4b0
[  251.529462][ T5515]  ? gfs2_recover_set+0x240/0x240
[  251.534630][ T5515]  ? snprintf+0xe5/0x140
[  251.538887][ T5515]  ? __free_pages+0x95/0x1a0
[  251.543687][ T5515]  ? vscnprintf+0x80/0x80
[  251.548025][ T5515]  gfs2_fill_super+0x120f/0x1f00
[  251.552976][ T5515]  ? gfs2_reconfigure+0xd30/0xd30
[  251.558001][ T5515]  ? sb_set_blocksize+0xa5/0xe0
[  251.563260][ T5515]  get_tree_bdev+0x3f1/0x610
[  251.568136][ T5515]  ? gfs2_reconfigure+0xd30/0xd30
[  251.573584][ T5515]  gfs2_get_tree+0x4d/0x1e0
[  251.578464][ T5515]  vfs_get_tree+0x88/0x270
[  251.582964][ T5515]  do_new_mount+0x24a/0xa40
[  251.587984][ T5515]  __se_sys_mount+0x2e3/0x3d0
[  251.592923][ T5515]  ? __x64_sys_mount+0xc0/0xc0
[  251.597899][ T5515]  ? lockdep_hardirqs_on+0x94/0x140
[  251.603406][ T5515]  ? __x64_sys_mount+0x1c/0xc0
[  251.608269][ T5515]  do_syscall_64+0x4c/0xa0
[  251.613017][ T5515]  ? clear_bhb_loop+0x30/0x80
[  251.619035][ T5515]  ? clear_bhb_loop+0x30/0x80
[  251.623715][ T5515]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  251.629670][ T5515] RIP: 0033:0x7fddd18bff4a
[  251.634254][ T5515] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  251.653935][ T5515] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.662429][ T5515] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  251.670620][ T5515] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  251.678856][ T5515] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  251.686909][ T5515] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  251.695075][ T5515] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  251.703171][ T5515]  </TASK>
[  251.708137][ T5515] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.721542][ T5515] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.054804][ T5517] loop1: detected capacity change from 0 to 32768
[  252.100743][ T5517] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.108376][ T5517] CPU: 1 PID: 5517 Comm: syz.1.202 Not tainted syzkaller #0
[  252.115820][ T5517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  252.126275][ T5517] Call Trace:
[  252.129567][ T5517]  <TASK>
[  252.132594][ T5517]  dump_stack_lvl+0x188/0x250
[  252.137359][ T5517]  ? show_regs_print_info+0x20/0x20
[  252.142771][ T5517]  ? load_image+0x400/0x400
[  252.147305][ T5517]  sysfs_create_dir_ns+0x26a/0x290
[  252.153066][ T5517]  ? sysfs_warn_dup+0xa0/0xa0
[  252.157760][ T5517]  ? do_raw_spin_unlock+0x11d/0x230
[  252.162992][ T5517]  kobject_add_internal+0x6e0/0xd90
[  252.168415][ T5517]  kobject_init_and_add+0x128/0x190
[  252.173906][ T5517]  ? lockdep_softirqs_off+0x430/0x430
[  252.180496][ T5517]  ? kobject_add+0x230/0x230
[  252.185265][ T5517]  ? __init_swait_queue_head+0xa5/0x150
[  252.191013][ T5517]  gfs2_sys_fs_add+0x24f/0x4b0
[  252.195893][ T5517]  ? gfs2_recover_set+0x240/0x240
[  252.201107][ T5517]  ? snprintf+0xe5/0x140
[  252.205712][ T5517]  ? __free_pages+0x95/0x1a0
[  252.210392][ T5517]  ? vscnprintf+0x80/0x80
[  252.214808][ T5517]  gfs2_fill_super+0x120f/0x1f00
[  252.220010][ T5517]  ? gfs2_reconfigure+0xd30/0xd30
[  252.225490][ T5517]  ? sb_set_blocksize+0xa5/0xe0
[  252.230347][ T5517]  get_tree_bdev+0x3f1/0x610
[  252.234924][ T5517]  ? gfs2_reconfigure+0xd30/0xd30
[  252.239941][ T5517]  gfs2_get_tree+0x4d/0x1e0
[  252.244573][ T5517]  vfs_get_tree+0x88/0x270
[  252.249120][ T5517]  do_new_mount+0x24a/0xa40
[  252.253809][ T5517]  __se_sys_mount+0x2e3/0x3d0
[  252.258599][ T5517]  ? __x64_sys_mount+0xc0/0xc0
[  252.263360][ T5517]  ? lockdep_hardirqs_on+0x94/0x140
[  252.268570][ T5517]  ? __x64_sys_mount+0x1c/0xc0
[  252.273502][ T5517]  do_syscall_64+0x4c/0xa0
[  252.278058][ T5517]  ? clear_bhb_loop+0x30/0x80
[  252.282738][ T5517]  ? clear_bhb_loop+0x30/0x80
[  252.287700][ T5517]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  252.294043][ T5517] RIP: 0033:0x7fddd18bff4a
[  252.298573][ T5517] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  252.318635][ T5517] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.327430][ T5517] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  252.335419][ T5517] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  252.343395][ T5517] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  252.351475][ T5517] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  252.359624][ T5517] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  252.367688][ T5517]  </TASK>
[  252.372848][ T5517] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.386291][ T5517] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/05/22 15:24:00 executed programs: 188
[  252.701882][ T5519] loop1: detected capacity change from 0 to 32768
[  252.737185][ T5519] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.747201][ T5519] CPU: 1 PID: 5519 Comm: syz.1.203 Not tainted syzkaller #0
[  252.754620][ T5519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  252.764699][ T5519] Call Trace:
[  252.768012][ T5519]  <TASK>
[  252.770953][ T5519]  dump_stack_lvl+0x188/0x250
[  252.775649][ T5519]  ? show_regs_print_info+0x20/0x20
[  252.780876][ T5519]  ? load_image+0x400/0x400
[  252.786014][ T5519]  sysfs_create_dir_ns+0x26a/0x290
[  252.791162][ T5519]  ? sysfs_warn_dup+0xa0/0xa0
[  252.795867][ T5519]  ? do_raw_spin_unlock+0x11d/0x230
[  252.801357][ T5519]  kobject_add_internal+0x6e0/0xd90
[  252.806578][ T5519]  kobject_init_and_add+0x128/0x190
[  252.811806][ T5519]  ? lockdep_softirqs_off+0x430/0x430
[  252.817199][ T5519]  ? kobject_add+0x230/0x230
[  252.822353][ T5519]  ? __init_swait_queue_head+0xa5/0x150
[  252.828005][ T5519]  gfs2_sys_fs_add+0x24f/0x4b0
[  252.832872][ T5519]  ? gfs2_recover_set+0x240/0x240
[  252.837886][ T5519]  ? snprintf+0xe5/0x140
[  252.842237][ T5519]  ? __free_pages+0x95/0x1a0
[  252.846913][ T5519]  ? vscnprintf+0x80/0x80
[  252.851233][ T5519]  gfs2_fill_super+0x120f/0x1f00
[  252.856358][ T5519]  ? gfs2_reconfigure+0xd30/0xd30
[  252.861379][ T5519]  ? sb_set_blocksize+0xa5/0xe0
[  252.866222][ T5519]  get_tree_bdev+0x3f1/0x610
[  252.870808][ T5519]  ? gfs2_reconfigure+0xd30/0xd30
[  252.875821][ T5519]  gfs2_get_tree+0x4d/0x1e0
[  252.880312][ T5519]  vfs_get_tree+0x88/0x270
[  252.884917][ T5519]  do_new_mount+0x24a/0xa40
[  252.889442][ T5519]  __se_sys_mount+0x2e3/0x3d0
[  252.894112][ T5519]  ? __x64_sys_mount+0xc0/0xc0
[  252.898955][ T5519]  ? lockdep_hardirqs_on+0x94/0x140
[  252.904232][ T5519]  ? __x64_sys_mount+0x1c/0xc0
[  252.909579][ T5519]  do_syscall_64+0x4c/0xa0
[  252.914217][ T5519]  ? clear_bhb_loop+0x30/0x80
[  252.919752][ T5519]  ? clear_bhb_loop+0x30/0x80
[  252.925039][ T5519]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  252.931130][ T5519] RIP: 0033:0x7fddd18bff4a
[  252.935675][ T5519] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  252.955379][ T5519] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.964180][ T5519] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  252.972367][ T5519] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  252.980791][ T5519] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  252.989176][ T5519] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  252.997671][ T5519] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  253.005974][ T5519]  </TASK>
[  253.011198][ T5519] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.026848][ T5519] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  253.112417][ T5034] Bluetooth: hci1: command 0x0406 tx timeout
[  253.341866][ T5521] loop1: detected capacity change from 0 to 32768
[  253.392944][ T5521] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.401218][ T5521] CPU: 1 PID: 5521 Comm: syz.1.204 Not tainted syzkaller #0
[  253.408619][ T5521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  253.419027][ T5521] Call Trace:
[  253.422606][ T5521]  <TASK>
[  253.425546][ T5521]  dump_stack_lvl+0x188/0x250
[  253.430414][ T5521]  ? show_regs_print_info+0x20/0x20
[  253.435714][ T5521]  ? load_image+0x400/0x400
[  253.440279][ T5521]  sysfs_create_dir_ns+0x26a/0x290
[  253.445621][ T5521]  ? sysfs_warn_dup+0xa0/0xa0
[  253.450327][ T5521]  ? do_raw_spin_unlock+0x11d/0x230
[  253.455927][ T5521]  kobject_add_internal+0x6e0/0xd90
[  253.461333][ T5521]  kobject_init_and_add+0x128/0x190
[  253.466674][ T5521]  ? lockdep_softirqs_off+0x430/0x430
[  253.472078][ T5521]  ? kobject_add+0x230/0x230
[  253.476689][ T5521]  ? __init_swait_queue_head+0xa5/0x150
[  253.482429][ T5521]  gfs2_sys_fs_add+0x24f/0x4b0
[  253.487337][ T5521]  ? gfs2_recover_set+0x240/0x240
[  253.492393][ T5521]  ? snprintf+0xe5/0x140
[  253.496628][ T5521]  ? __free_pages+0x95/0x1a0
[  253.501214][ T5521]  ? vscnprintf+0x80/0x80
[  253.505539][ T5521]  gfs2_fill_super+0x120f/0x1f00
[  253.510652][ T5521]  ? gfs2_reconfigure+0xd30/0xd30
[  253.516061][ T5521]  ? sb_set_blocksize+0xa5/0xe0
[  253.520911][ T5521]  get_tree_bdev+0x3f1/0x610
[  253.526091][ T5521]  ? gfs2_reconfigure+0xd30/0xd30
[  253.531263][ T5521]  gfs2_get_tree+0x4d/0x1e0
[  253.535773][ T5521]  vfs_get_tree+0x88/0x270
[  253.540867][ T5521]  do_new_mount+0x24a/0xa40
[  253.545473][ T5521]  __se_sys_mount+0x2e3/0x3d0
[  253.550256][ T5521]  ? __x64_sys_mount+0xc0/0xc0
[  253.555013][ T5521]  ? lockdep_hardirqs_on+0x94/0x140
[  253.560214][ T5521]  ? __x64_sys_mount+0x1c/0xc0
[  253.565282][ T5521]  do_syscall_64+0x4c/0xa0
[  253.570124][ T5521]  ? clear_bhb_loop+0x30/0x80
[  253.574889][ T5521]  ? clear_bhb_loop+0x30/0x80
[  253.579758][ T5521]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  253.585985][ T5521] RIP: 0033:0x7fddd18bff4a
[  253.590614][ T5521] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  253.610952][ T5521] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.620142][ T5521] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  253.628401][ T5521] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  253.636481][ T5521] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  253.644464][ T5521] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  253.652778][ T5521] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  253.660754][ T5521]  </TASK>
[  253.667718][ T5521] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.681284][ T5521] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  253.974035][ T5523] loop1: detected capacity change from 0 to 32768
[  254.017680][ T5523] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.028432][ T5523] CPU: 0 PID: 5523 Comm: syz.1.205 Not tainted syzkaller #0
[  254.035953][ T5523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  254.046146][ T5523] Call Trace:
[  254.049446][ T5523]  <TASK>
[  254.052396][ T5523]  dump_stack_lvl+0x188/0x250
[  254.057272][ T5523]  ? show_regs_print_info+0x20/0x20
[  254.062486][ T5523]  ? load_image+0x400/0x400
[  254.067361][ T5523]  sysfs_create_dir_ns+0x26a/0x290
[  254.072498][ T5523]  ? sysfs_warn_dup+0xa0/0xa0
[  254.077194][ T5523]  ? do_raw_spin_unlock+0x11d/0x230
[  254.082502][ T5523]  kobject_add_internal+0x6e0/0xd90
[  254.087721][ T5523]  kobject_init_and_add+0x128/0x190
[  254.092935][ T5523]  ? lockdep_softirqs_off+0x430/0x430
[  254.098515][ T5523]  ? kobject_add+0x230/0x230
[  254.103207][ T5523]  ? __init_swait_queue_head+0xa5/0x150
[  254.108888][ T5523]  gfs2_sys_fs_add+0x24f/0x4b0
[  254.113647][ T5523]  ? gfs2_recover_set+0x240/0x240
[  254.118668][ T5523]  ? snprintf+0xe5/0x140
[  254.123029][ T5523]  ? __free_pages+0x95/0x1a0
[  254.127863][ T5523]  ? vscnprintf+0x80/0x80
[  254.132368][ T5523]  gfs2_fill_super+0x120f/0x1f00
[  254.137317][ T5523]  ? gfs2_reconfigure+0xd30/0xd30
[  254.142698][ T5523]  ? sb_set_blocksize+0xa5/0xe0
[  254.147548][ T5523]  get_tree_bdev+0x3f1/0x610
[  254.152160][ T5523]  ? gfs2_reconfigure+0xd30/0xd30
[  254.157191][ T5523]  gfs2_get_tree+0x4d/0x1e0
[  254.161692][ T5523]  vfs_get_tree+0x88/0x270
[  254.166364][ T5523]  do_new_mount+0x24a/0xa40
[  254.170865][ T5523]  __se_sys_mount+0x2e3/0x3d0
[  254.175962][ T5523]  ? __x64_sys_mount+0xc0/0xc0
[  254.180737][ T5523]  ? lockdep_hardirqs_on+0x94/0x140
[  254.186026][ T5523]  ? __x64_sys_mount+0x1c/0xc0
[  254.191151][ T5523]  do_syscall_64+0x4c/0xa0
[  254.195674][ T5523]  ? clear_bhb_loop+0x30/0x80
[  254.200487][ T5523]  ? clear_bhb_loop+0x30/0x80
[  254.205210][ T5523]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  254.211672][ T5523] RIP: 0033:0x7fddd18bff4a
[  254.216280][ T5523] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  254.236321][ T5523] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.245216][ T5523] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  254.253533][ T5523] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  254.261511][ T5523] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  254.269588][ T5523] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  254.277733][ T5523] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  254.287385][ T5523]  </TASK>
[  254.298094][ T5523] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.313368][ T5523] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  254.639122][ T5525] loop1: detected capacity change from 0 to 32768
[  254.689174][ T5525] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.696807][ T5525] CPU: 0 PID: 5525 Comm: syz.1.206 Not tainted syzkaller #0
[  254.704119][ T5525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  254.714187][ T5525] Call Trace:
[  254.717478][ T5525]  <TASK>
[  254.720414][ T5525]  dump_stack_lvl+0x188/0x250
[  254.725198][ T5525]  ? show_regs_print_info+0x20/0x20
[  254.730510][ T5525]  ? load_image+0x400/0x400
[  254.735132][ T5525]  sysfs_create_dir_ns+0x26a/0x290
[  254.740264][ T5525]  ? sysfs_warn_dup+0xa0/0xa0
[  254.745145][ T5525]  ? do_raw_spin_unlock+0x11d/0x230
[  254.750474][ T5525]  kobject_add_internal+0x6e0/0xd90
[  254.755986][ T5525]  kobject_init_and_add+0x128/0x190
[  254.761513][ T5525]  ? lockdep_softirqs_off+0x430/0x430
[  254.767006][ T5525]  ? kobject_add+0x230/0x230
[  254.771614][ T5525]  ? __init_swait_queue_head+0xa5/0x150
[  254.777262][ T5525]  gfs2_sys_fs_add+0x24f/0x4b0
[  254.782215][ T5525]  ? gfs2_recover_set+0x240/0x240
[  254.787347][ T5525]  ? snprintf+0xe5/0x140
[  254.791577][ T5525]  ? __free_pages+0x95/0x1a0
[  254.796153][ T5525]  ? vscnprintf+0x80/0x80
[  254.800487][ T5525]  gfs2_fill_super+0x120f/0x1f00
[  254.805448][ T5525]  ? gfs2_reconfigure+0xd30/0xd30
[  254.810495][ T5525]  ? sb_set_blocksize+0xa5/0xe0
[  254.815558][ T5525]  get_tree_bdev+0x3f1/0x610
[  254.820439][ T5525]  ? gfs2_reconfigure+0xd30/0xd30
[  254.825499][ T5525]  gfs2_get_tree+0x4d/0x1e0
[  254.830046][ T5525]  vfs_get_tree+0x88/0x270
[  254.834524][ T5525]  do_new_mount+0x24a/0xa40
[  254.839204][ T5525]  __se_sys_mount+0x2e3/0x3d0
[  254.844324][ T5525]  ? __x64_sys_mount+0xc0/0xc0
[  254.849613][ T5525]  ? lockdep_hardirqs_on+0x94/0x140
[  254.855000][ T5525]  ? __x64_sys_mount+0x1c/0xc0
[  254.860275][ T5525]  do_syscall_64+0x4c/0xa0
[  254.864902][ T5525]  ? clear_bhb_loop+0x30/0x80
[  254.869946][ T5525]  ? clear_bhb_loop+0x30/0x80
[  254.874718][ T5525]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  254.880695][ T5525] RIP: 0033:0x7fddd18bff4a
[  254.885115][ T5525] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  254.906431][ T5525] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.915090][ T5525] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  254.924608][ T5525] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  254.932780][ T5525] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  254.941011][ T5525] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  254.949277][ T5525] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  254.957999][ T5525]  </TASK>
[  254.961585][ T5525] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.975239][ T5525] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.300682][ T5527] loop1: detected capacity change from 0 to 32768
[  255.354138][ T5527] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.362101][ T5527] CPU: 1 PID: 5527 Comm: syz.1.207 Not tainted syzkaller #0
[  255.369492][ T5527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  255.379672][ T5527] Call Trace:
[  255.383214][ T5527]  <TASK>
[  255.386164][ T5527]  dump_stack_lvl+0x188/0x250
[  255.390948][ T5527]  ? show_regs_print_info+0x20/0x20
[  255.396245][ T5527]  ? load_image+0x400/0x400
[  255.400952][ T5527]  sysfs_create_dir_ns+0x26a/0x290
[  255.406235][ T5527]  ? sysfs_warn_dup+0xa0/0xa0
[  255.411289][ T5527]  ? do_raw_spin_unlock+0x11d/0x230
[  255.417383][ T5527]  kobject_add_internal+0x6e0/0xd90
[  255.422892][ T5527]  kobject_init_and_add+0x128/0x190
[  255.428129][ T5527]  ? lockdep_softirqs_off+0x430/0x430
[  255.433896][ T5527]  ? kobject_add+0x230/0x230
[  255.438773][ T5527]  ? __init_swait_queue_head+0xa5/0x150
[  255.444586][ T5527]  gfs2_sys_fs_add+0x24f/0x4b0
[  255.449828][ T5527]  ? gfs2_recover_set+0x240/0x240
[  255.454902][ T5527]  ? snprintf+0xe5/0x140
[  255.459239][ T5527]  ? __free_pages+0x95/0x1a0
[  255.464067][ T5527]  ? vscnprintf+0x80/0x80
[  255.468417][ T5527]  gfs2_fill_super+0x120f/0x1f00
[  255.473638][ T5527]  ? gfs2_reconfigure+0xd30/0xd30
[  255.479002][ T5527]  ? sb_set_blocksize+0xa5/0xe0
[  255.483997][ T5527]  get_tree_bdev+0x3f1/0x610
[  255.488701][ T5527]  ? gfs2_reconfigure+0xd30/0xd30
[  255.494018][ T5527]  gfs2_get_tree+0x4d/0x1e0
[  255.499008][ T5527]  vfs_get_tree+0x88/0x270
[  255.503536][ T5527]  do_new_mount+0x24a/0xa40
[  255.508078][ T5527]  __se_sys_mount+0x2e3/0x3d0
[  255.512789][ T5527]  ? __x64_sys_mount+0xc0/0xc0
[  255.517569][ T5527]  ? lockdep_hardirqs_on+0x94/0x140
[  255.523478][ T5527]  ? __x64_sys_mount+0x1c/0xc0
[  255.528294][ T5527]  do_syscall_64+0x4c/0xa0
[  255.533455][ T5527]  ? clear_bhb_loop+0x30/0x80
[  255.538281][ T5527]  ? clear_bhb_loop+0x30/0x80
[  255.543354][ T5527]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  255.551138][ T5527] RIP: 0033:0x7fddd18bff4a
[  255.555940][ T5527] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  255.576095][ T5527] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.585123][ T5527] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  255.593549][ T5527] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  255.601534][ T5527] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  255.609517][ T5527] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  255.618548][ T5527] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  255.627180][ T5527]  </TASK>
[  255.632696][ T5527] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.646442][ T5527] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.978428][ T5529] loop1: detected capacity change from 0 to 32768
[  256.023778][ T5529] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  256.031834][ T5529] CPU: 0 PID: 5529 Comm: syz.1.208 Not tainted syzkaller #0
[  256.039890][ T5529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  256.050318][ T5529] Call Trace:
[  256.053648][ T5529]  <TASK>
[  256.056840][ T5529]  dump_stack_lvl+0x188/0x250
[  256.061539][ T5529]  ? show_regs_print_info+0x20/0x20
[  256.066931][ T5529]  ? load_image+0x400/0x400
[  256.071463][ T5529]  sysfs_create_dir_ns+0x26a/0x290
[  256.077027][ T5529]  ? sysfs_warn_dup+0xa0/0xa0
[  256.082198][ T5529]  ? do_raw_spin_unlock+0x11d/0x230
[  256.087426][ T5529]  kobject_add_internal+0x6e0/0xd90
[  256.092744][ T5529]  kobject_init_and_add+0x128/0x190
[  256.098162][ T5529]  ? lockdep_softirqs_off+0x430/0x430
[  256.104444][ T5529]  ? kobject_add+0x230/0x230
[  256.109256][ T5529]  ? __init_swait_queue_head+0xa5/0x150
[  256.114805][ T5529]  gfs2_sys_fs_add+0x24f/0x4b0
[  256.119740][ T5529]  ? gfs2_recover_set+0x240/0x240
[  256.124939][ T5529]  ? snprintf+0xe5/0x140
[  256.130331][ T5529]  ? __free_pages+0x95/0x1a0
[  256.135011][ T5529]  ? vscnprintf+0x80/0x80
[  256.139687][ T5529]  gfs2_fill_super+0x120f/0x1f00
[  256.144942][ T5529]  ? gfs2_reconfigure+0xd30/0xd30
[  256.151318][ T5529]  ? sb_set_blocksize+0xa5/0xe0
[  256.157328][ T5529]  get_tree_bdev+0x3f1/0x610
[  256.162413][ T5529]  ? gfs2_reconfigure+0xd30/0xd30
[  256.167705][ T5529]  gfs2_get_tree+0x4d/0x1e0
[  256.172216][ T5529]  vfs_get_tree+0x88/0x270
[  256.177023][ T5529]  do_new_mount+0x24a/0xa40
[  256.181849][ T5529]  __se_sys_mount+0x2e3/0x3d0
[  256.186665][ T5529]  ? __x64_sys_mount+0xc0/0xc0
[  256.191554][ T5529]  ? lockdep_hardirqs_on+0x94/0x140
[  256.197060][ T5529]  ? __x64_sys_mount+0x1c/0xc0
[  256.201950][ T5529]  do_syscall_64+0x4c/0xa0
[  256.206363][ T5529]  ? clear_bhb_loop+0x30/0x80
[  256.211033][ T5529]  ? clear_bhb_loop+0x30/0x80
[  256.215789][ T5529]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  256.221766][ T5529] RIP: 0033:0x7fddd18bff4a
[  256.226379][ T5529] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  256.246549][ T5529] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.255350][ T5529] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  256.263342][ T5529] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  256.271401][ T5529] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  256.279427][ T5529] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  256.287603][ T5529] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  256.295891][ T5529]  </TASK>
[  256.301809][ T1421] ieee802154 phy0 wpan0: encryption failed: -22
[  256.304285][ T5529] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.308389][ T1421] ieee802154 phy1 wpan1: encryption failed: -22
[  256.322044][ T5529] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  256.644735][ T5531] loop1: detected capacity change from 0 to 32768
[  256.685117][ T5531] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  256.694645][ T5531] CPU: 1 PID: 5531 Comm: syz.1.209 Not tainted syzkaller #0
[  256.702164][ T5531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  256.712647][ T5531] Call Trace:
[  256.716152][ T5531]  <TASK>
[  256.719180][ T5531]  dump_stack_lvl+0x188/0x250
[  256.724091][ T5531]  ? show_regs_print_info+0x20/0x20
[  256.729311][ T5531]  ? load_image+0x400/0x400
[  256.734277][ T5531]  sysfs_create_dir_ns+0x26a/0x290
[  256.739406][ T5531]  ? sysfs_warn_dup+0xa0/0xa0
[  256.744321][ T5531]  ? do_raw_spin_unlock+0x11d/0x230
[  256.749543][ T5531]  kobject_add_internal+0x6e0/0xd90
[  256.754776][ T5531]  kobject_init_and_add+0x128/0x190
[  256.760085][ T5531]  ? lockdep_softirqs_off+0x430/0x430
[  256.765484][ T5531]  ? kobject_add+0x230/0x230
[  256.770183][ T5531]  ? __init_swait_queue_head+0xa5/0x150
[  256.775905][ T5531]  gfs2_sys_fs_add+0x24f/0x4b0
[  256.780846][ T5531]  ? gfs2_recover_set+0x240/0x240
[  256.785862][ T5531]  ? snprintf+0xe5/0x140
[  256.790415][ T5531]  ? __free_pages+0x95/0x1a0
[  256.795012][ T5531]  ? vscnprintf+0x80/0x80
[  256.799364][ T5531]  gfs2_fill_super+0x120f/0x1f00
[  256.804299][ T5531]  ? gfs2_reconfigure+0xd30/0xd30
[  256.809436][ T5531]  ? sb_set_blocksize+0xa5/0xe0
[  256.814288][ T5531]  get_tree_bdev+0x3f1/0x610
[  256.818949][ T5531]  ? gfs2_reconfigure+0xd30/0xd30
[  256.824071][ T5531]  gfs2_get_tree+0x4d/0x1e0
[  256.828570][ T5531]  vfs_get_tree+0x88/0x270
[  256.833042][ T5531]  do_new_mount+0x24a/0xa40
[  256.837906][ T5531]  __se_sys_mount+0x2e3/0x3d0
[  256.842688][ T5531]  ? __x64_sys_mount+0xc0/0xc0
[  256.847498][ T5531]  ? lockdep_hardirqs_on+0x94/0x140
[  256.852688][ T5531]  ? __x64_sys_mount+0x1c/0xc0
[  256.857844][ T5531]  do_syscall_64+0x4c/0xa0
[  256.862301][ T5531]  ? clear_bhb_loop+0x30/0x80
[  256.866974][ T5531]  ? clear_bhb_loop+0x30/0x80
[  256.871764][ T5531]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  256.878107][ T5531] RIP: 0033:0x7fddd18bff4a
[  256.882515][ T5531] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  256.902958][ T5531] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.911575][ T5531] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  256.919673][ T5531] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  256.927643][ T5531] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  256.935791][ T5531] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  256.943764][ T5531] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  256.951763][ T5531]  </TASK>
[  256.956834][ T5531] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.970473][ T5531] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  257.297121][ T5533] loop1: detected capacity change from 0 to 32768
[  257.312551][ T5533] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.321206][ T5533] CPU: 0 PID: 5533 Comm: syz.1.210 Not tainted syzkaller #0
[  257.328590][ T5533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  257.338657][ T5533] Call Trace:
[  257.341943][ T5533]  <TASK>
[  257.345026][ T5533]  dump_stack_lvl+0x188/0x250
[  257.349891][ T5533]  ? show_regs_print_info+0x20/0x20
[  257.355082][ T5533]  ? load_image+0x400/0x400
[  257.359691][ T5533]  sysfs_create_dir_ns+0x26a/0x290
[  257.364795][ T5533]  ? sysfs_warn_dup+0xa0/0xa0
[  257.369464][ T5533]  ? do_raw_spin_unlock+0x11d/0x230
[  257.374653][ T5533]  kobject_add_internal+0x6e0/0xd90
[  257.380089][ T5533]  kobject_init_and_add+0x128/0x190
[  257.385275][ T5533]  ? lockdep_softirqs_off+0x430/0x430
[  257.390731][ T5533]  ? kobject_add+0x230/0x230
[  257.395317][ T5533]  ? __init_swait_queue_head+0xa5/0x150
[  257.401275][ T5533]  gfs2_sys_fs_add+0x24f/0x4b0
[  257.406151][ T5533]  ? gfs2_recover_set+0x240/0x240
[  257.411169][ T5533]  ? snprintf+0xe5/0x140
[  257.415396][ T5533]  ? __free_pages+0x95/0x1a0
[  257.420595][ T5533]  ? vscnprintf+0x80/0x80
[  257.425011][ T5533]  gfs2_fill_super+0x120f/0x1f00
[  257.430122][ T5533]  ? gfs2_reconfigure+0xd30/0xd30
[  257.435181][ T5533]  ? sb_set_blocksize+0xa5/0xe0
[  257.440062][ T5533]  get_tree_bdev+0x3f1/0x610
[  257.444939][ T5533]  ? gfs2_reconfigure+0xd30/0xd30
[  257.450716][ T5533]  gfs2_get_tree+0x4d/0x1e0
[  257.455219][ T5533]  vfs_get_tree+0x88/0x270
[  257.459723][ T5533]  do_new_mount+0x24a/0xa40
[  257.464305][ T5533]  __se_sys_mount+0x2e3/0x3d0
[  257.469519][ T5533]  ? __x64_sys_mount+0xc0/0xc0
[  257.474301][ T5533]  ? lockdep_hardirqs_on+0x94/0x140
[  257.479595][ T5533]  ? __x64_sys_mount+0x1c/0xc0
[  257.484365][ T5533]  do_syscall_64+0x4c/0xa0
[  257.488775][ T5533]  ? clear_bhb_loop+0x30/0x80
[  257.494057][ T5533]  ? clear_bhb_loop+0x30/0x80
[  257.498758][ T5533]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  257.504660][ T5533] RIP: 0033:0x7fddd18bff4a
[  257.509242][ T5533] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  257.529247][ T5533] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.537739][ T5533] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  257.546074][ T5533] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  257.554143][ T5533] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  257.562214][ T5533] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  257.570378][ T5533] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  257.578525][ T5533]  </TASK>
[  257.587669][ T5533] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  257.601241][ T5533] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/05/22 15:24:05 executed programs: 196
[  257.907799][ T5535] loop1: detected capacity change from 0 to 32768
[  257.962380][ T5535] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.972001][ T5535] CPU: 1 PID: 5535 Comm: syz.1.211 Not tainted syzkaller #0
[  257.979597][ T5535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  257.989666][ T5535] Call Trace:
[  257.992954][ T5535]  <TASK>
[  257.995980][ T5535]  dump_stack_lvl+0x188/0x250
[  258.001071][ T5535]  ? show_regs_print_info+0x20/0x20
[  258.006381][ T5535]  ? load_image+0x400/0x400
[  258.011226][ T5535]  sysfs_create_dir_ns+0x26a/0x290
[  258.016652][ T5535]  ? sysfs_warn_dup+0xa0/0xa0
[  258.021606][ T5535]  ? do_raw_spin_unlock+0x11d/0x230
[  258.027039][ T5535]  kobject_add_internal+0x6e0/0xd90
[  258.032439][ T5535]  kobject_init_and_add+0x128/0x190
[  258.038611][ T5535]  ? lockdep_softirqs_off+0x430/0x430
[  258.044905][ T5535]  ? kobject_add+0x230/0x230
[  258.049649][ T5535]  ? __init_swait_queue_head+0xa5/0x150
[  258.055873][ T5535]  gfs2_sys_fs_add+0x24f/0x4b0
[  258.060856][ T5535]  ? gfs2_recover_set+0x240/0x240
[  258.066486][ T5535]  ? snprintf+0xe5/0x140
[  258.071896][ T5535]  ? __free_pages+0x95/0x1a0
[  258.077009][ T5535]  ? vscnprintf+0x80/0x80
[  258.082040][ T5535]  gfs2_fill_super+0x120f/0x1f00
[  258.088764][ T5535]  ? gfs2_reconfigure+0xd30/0xd30
[  258.094913][ T5535]  ? sb_set_blocksize+0xa5/0xe0
[  258.100989][ T5535]  get_tree_bdev+0x3f1/0x610
[  258.105590][ T5535]  ? gfs2_reconfigure+0xd30/0xd30
[  258.110820][ T5535]  gfs2_get_tree+0x4d/0x1e0
[  258.117960][ T5535]  vfs_get_tree+0x88/0x270
[  258.122569][ T5535]  do_new_mount+0x24a/0xa40
[  258.127813][ T5535]  __se_sys_mount+0x2e3/0x3d0
[  258.133858][ T5535]  ? __x64_sys_mount+0xc0/0xc0
[  258.139107][ T5535]  ? lockdep_hardirqs_on+0x94/0x140
[  258.145561][ T5535]  ? __x64_sys_mount+0x1c/0xc0
[  258.150450][ T5535]  do_syscall_64+0x4c/0xa0
[  258.155183][ T5535]  ? clear_bhb_loop+0x30/0x80
[  258.159989][ T5535]  ? clear_bhb_loop+0x30/0x80
[  258.164863][ T5535]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  258.170868][ T5535] RIP: 0033:0x7fddd18bff4a
[  258.175367][ T5535] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  258.195231][ T5535] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  258.203731][ T5535] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  258.212008][ T5535] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  258.220325][ T5535] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  258.228302][ T5535] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  258.236293][ T5535] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  258.244558][ T5535]  </TASK>
[  258.249807][ T5535] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.263446][ T5535] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  258.566031][ T5537] loop1: detected capacity change from 0 to 32768
[  258.621234][ T5537] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  258.629022][ T5537] CPU: 1 PID: 5537 Comm: syz.1.212 Not tainted syzkaller #0
[  258.636325][ T5537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  258.646499][ T5537] Call Trace:
[  258.649797][ T5537]  <TASK>
[  258.652738][ T5537]  dump_stack_lvl+0x188/0x250
[  258.657440][ T5537]  ? show_regs_print_info+0x20/0x20
[  258.663020][ T5537]  ? load_image+0x400/0x400
[  258.667646][ T5537]  sysfs_create_dir_ns+0x26a/0x290
[  258.673054][ T5537]  ? sysfs_warn_dup+0xa0/0xa0
[  258.678035][ T5537]  ? do_raw_spin_unlock+0x11d/0x230
[  258.683350][ T5537]  kobject_add_internal+0x6e0/0xd90
[  258.688865][ T5537]  kobject_init_and_add+0x128/0x190
[  258.694085][ T5537]  ? lockdep_softirqs_off+0x430/0x430
[  258.699604][ T5537]  ? kobject_add+0x230/0x230
[  258.704268][ T5537]  ? __init_swait_queue_head+0xa5/0x150
[  258.709923][ T5537]  gfs2_sys_fs_add+0x24f/0x4b0
[  258.715004][ T5537]  ? gfs2_recover_set+0x240/0x240
[  258.720142][ T5537]  ? snprintf+0xe5/0x140
[  258.724397][ T5537]  ? __free_pages+0x95/0x1a0
[  258.728993][ T5537]  ? vscnprintf+0x80/0x80
[  258.733340][ T5537]  gfs2_fill_super+0x120f/0x1f00
[  258.738386][ T5537]  ? gfs2_reconfigure+0xd30/0xd30
[  258.743676][ T5537]  ? sb_set_blocksize+0xa5/0xe0
[  258.748619][ T5537]  get_tree_bdev+0x3f1/0x610
[  258.753310][ T5537]  ? gfs2_reconfigure+0xd30/0xd30
[  258.758414][ T5537]  gfs2_get_tree+0x4d/0x1e0
[  258.763153][ T5537]  vfs_get_tree+0x88/0x270
[  258.767667][ T5537]  do_new_mount+0x24a/0xa40
[  258.772464][ T5537]  __se_sys_mount+0x2e3/0x3d0
[  258.777224][ T5537]  ? __x64_sys_mount+0xc0/0xc0
[  258.782083][ T5537]  ? lockdep_hardirqs_on+0x94/0x140
[  258.787271][ T5537]  ? __x64_sys_mount+0x1c/0xc0
[  258.792118][ T5537]  do_syscall_64+0x4c/0xa0
[  258.796549][ T5537]  ? clear_bhb_loop+0x30/0x80
[  258.801360][ T5537]  ? clear_bhb_loop+0x30/0x80
[  258.806104][ T5537]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  258.812096][ T5537] RIP: 0033:0x7fddd18bff4a
[  258.818669][ T5537] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  258.838991][ T5537] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  258.847829][ T5537] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  258.856532][ T5537] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  258.864646][ T5537] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  258.873068][ T5537] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  258.881413][ T5537] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  258.889623][ T5537]  </TASK>
[  258.894569][ T5537] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.908916][ T5537] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.224926][ T5539] loop1: detected capacity change from 0 to 32768
[  259.324170][ T5539] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.331983][ T5539] CPU: 0 PID: 5539 Comm: syz.1.213 Not tainted syzkaller #0
[  259.339366][ T5539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  259.349609][ T5539] Call Trace:
[  259.353010][ T5539]  <TASK>
[  259.356127][ T5539]  dump_stack_lvl+0x188/0x250
[  259.360837][ T5539]  ? show_regs_print_info+0x20/0x20
[  259.366416][ T5539]  ? load_image+0x400/0x400
[  259.370943][ T5539]  sysfs_create_dir_ns+0x26a/0x290
[  259.376074][ T5539]  ? sysfs_warn_dup+0xa0/0xa0
[  259.381292][ T5539]  ? do_raw_spin_unlock+0x11d/0x230
[  259.386614][ T5539]  kobject_add_internal+0x6e0/0xd90
[  259.391946][ T5539]  kobject_init_and_add+0x128/0x190
[  259.397613][ T5539]  ? lockdep_softirqs_off+0x430/0x430
[  259.403083][ T5539]  ? kobject_add+0x230/0x230
[  259.407896][ T5539]  ? __init_swait_queue_head+0xa5/0x150
[  259.413570][ T5539]  gfs2_sys_fs_add+0x24f/0x4b0
[  259.419300][ T5539]  ? gfs2_recover_set+0x240/0x240
[  259.424690][ T5539]  ? snprintf+0xe5/0x140
[  259.429241][ T5539]  ? __free_pages+0x95/0x1a0
[  259.433905][ T5539]  ? vscnprintf+0x80/0x80
[  259.438230][ T5539]  gfs2_fill_super+0x120f/0x1f00
[  259.443175][ T5539]  ? gfs2_reconfigure+0xd30/0xd30
[  259.448426][ T5539]  ? sb_set_blocksize+0xa5/0xe0
[  259.453263][ T5539]  get_tree_bdev+0x3f1/0x610
[  259.458144][ T5539]  ? gfs2_reconfigure+0xd30/0xd30
[  259.463303][ T5539]  gfs2_get_tree+0x4d/0x1e0
[  259.468295][ T5539]  vfs_get_tree+0x88/0x270
[  259.472855][ T5539]  do_new_mount+0x24a/0xa40
[  259.477373][ T5539]  __se_sys_mount+0x2e3/0x3d0
[  259.482333][ T5539]  ? __x64_sys_mount+0xc0/0xc0
[  259.487558][ T5539]  ? lockdep_hardirqs_on+0x94/0x140
[  259.493322][ T5539]  ? __x64_sys_mount+0x1c/0xc0
[  259.498217][ T5539]  do_syscall_64+0x4c/0xa0
[  259.502633][ T5539]  ? clear_bhb_loop+0x30/0x80
[  259.507642][ T5539]  ? clear_bhb_loop+0x30/0x80
[  259.512325][ T5539]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  259.518330][ T5539] RIP: 0033:0x7fddd18bff4a
[  259.522928][ T5539] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  259.542755][ T5539] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.553210][ T5539] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  259.562490][ T5539] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  259.570848][ T5539] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  259.578937][ T5539] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  259.587059][ T5539] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  259.595136][ T5539]  </TASK>
[  259.598811][ T5539] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  259.612289][ T5539] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.956987][ T5541] loop1: detected capacity change from 0 to 32768
[  259.967157][ T5541] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.976881][ T5541] CPU: 1 PID: 5541 Comm: syz.1.214 Not tainted syzkaller #0
[  259.984331][ T5541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  259.995096][ T5541] Call Trace:
[  259.999008][ T5541]  <TASK>
[  260.002641][ T5541]  dump_stack_lvl+0x188/0x250
[  260.008833][ T5541]  ? show_regs_print_info+0x20/0x20
[  260.014550][ T5541]  ? load_image+0x400/0x400
[  260.019080][ T5541]  sysfs_create_dir_ns+0x26a/0x290
[  260.024291][ T5541]  ? sysfs_warn_dup+0xa0/0xa0
[  260.029056][ T5541]  ? do_raw_spin_unlock+0x11d/0x230
[  260.034484][ T5541]  kobject_add_internal+0x6e0/0xd90
[  260.039891][ T5541]  kobject_init_and_add+0x128/0x190
[  260.045098][ T5541]  ? lockdep_softirqs_off+0x430/0x430
[  260.050474][ T5541]  ? kobject_add+0x230/0x230
[  260.055175][ T5541]  ? __init_swait_queue_head+0xa5/0x150
[  260.060716][ T5541]  gfs2_sys_fs_add+0x24f/0x4b0
[  260.065476][ T5541]  ? gfs2_recover_set+0x240/0x240
[  260.070667][ T5541]  ? snprintf+0xe5/0x140
[  260.074894][ T5541]  ? __free_pages+0x95/0x1a0
[  260.079649][ T5541]  ? vscnprintf+0x80/0x80
[  260.083972][ T5541]  gfs2_fill_super+0x120f/0x1f00
[  260.089135][ T5541]  ? gfs2_reconfigure+0xd30/0xd30
[  260.094169][ T5541]  ? sb_set_blocksize+0xa5/0xe0
[  260.099018][ T5541]  get_tree_bdev+0x3f1/0x610
[  260.103805][ T5541]  ? gfs2_reconfigure+0xd30/0xd30
[  260.108827][ T5541]  gfs2_get_tree+0x4d/0x1e0
[  260.113329][ T5541]  vfs_get_tree+0x88/0x270
[  260.117858][ T5541]  do_new_mount+0x24a/0xa40
[  260.123441][ T5541]  __se_sys_mount+0x2e3/0x3d0
[  260.128564][ T5541]  ? __x64_sys_mount+0xc0/0xc0
[  260.133771][ T5541]  ? lockdep_hardirqs_on+0x94/0x140
[  260.139171][ T5541]  ? __x64_sys_mount+0x1c/0xc0
[  260.144029][ T5541]  do_syscall_64+0x4c/0xa0
[  260.149002][ T5541]  ? clear_bhb_loop+0x30/0x80
[  260.153687][ T5541]  ? clear_bhb_loop+0x30/0x80
[  260.158371][ T5541]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  260.164482][ T5541] RIP: 0033:0x7fddd18bff4a
[  260.168894][ T5541] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  260.189188][ T5541] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  260.198145][ T5541] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  260.206251][ T5541] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  260.214503][ T5541] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  260.224093][ T5541] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  260.232954][ T5541] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  260.241010][ T5541]  </TASK>
[  260.245953][ T5541] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  260.259760][ T5541] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  260.597126][ T5543] loop1: detected capacity change from 0 to 32768
[  260.664808][ T5543] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  260.672572][ T5543] CPU: 0 PID: 5543 Comm: syz.1.215 Not tainted syzkaller #0
[  260.680080][ T5543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  260.690327][ T5543] Call Trace:
[  260.693900][ T5543]  <TASK>
[  260.696932][ T5543]  dump_stack_lvl+0x188/0x250
[  260.701646][ T5543]  ? show_regs_print_info+0x20/0x20
[  260.706952][ T5543]  ? load_image+0x400/0x400
[  260.711485][ T5543]  sysfs_create_dir_ns+0x26a/0x290
[  260.716608][ T5543]  ? sysfs_warn_dup+0xa0/0xa0
[  260.721757][ T5543]  ? do_raw_spin_unlock+0x11d/0x230
[  260.727068][ T5543]  kobject_add_internal+0x6e0/0xd90
[  260.732379][ T5543]  kobject_init_and_add+0x128/0x190
[  260.737768][ T5543]  ? lockdep_softirqs_off+0x430/0x430
[  260.743253][ T5543]  ? kobject_add+0x230/0x230
[  260.747870][ T5543]  ? __init_swait_queue_head+0xa5/0x150
[  260.753481][ T5543]  gfs2_sys_fs_add+0x24f/0x4b0
[  260.758437][ T5543]  ? gfs2_recover_set+0x240/0x240
[  260.763635][ T5543]  ? snprintf+0xe5/0x140
[  260.768023][ T5543]  ? __free_pages+0x95/0x1a0
[  260.772722][ T5543]  ? vscnprintf+0x80/0x80
[  260.777058][ T5543]  gfs2_fill_super+0x120f/0x1f00
[  260.782003][ T5543]  ? gfs2_reconfigure+0xd30/0xd30
[  260.787036][ T5543]  ? sb_set_blocksize+0xa5/0xe0
[  260.792108][ T5543]  get_tree_bdev+0x3f1/0x610
[  260.796869][ T5543]  ? gfs2_reconfigure+0xd30/0xd30
[  260.802018][ T5543]  gfs2_get_tree+0x4d/0x1e0
[  260.806554][ T5543]  vfs_get_tree+0x88/0x270
[  260.810994][ T5543]  do_new_mount+0x24a/0xa40
[  260.815678][ T5543]  __se_sys_mount+0x2e3/0x3d0
[  260.820584][ T5543]  ? __x64_sys_mount+0xc0/0xc0
[  260.825571][ T5543]  ? lockdep_hardirqs_on+0x94/0x140
[  260.830993][ T5543]  ? __x64_sys_mount+0x1c/0xc0
[  260.836034][ T5543]  do_syscall_64+0x4c/0xa0
[  260.840482][ T5543]  ? clear_bhb_loop+0x30/0x80
[  260.845243][ T5543]  ? clear_bhb_loop+0x30/0x80
[  260.849941][ T5543]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  260.855855][ T5543] RIP: 0033:0x7fddd18bff4a
[  260.860398][ T5543] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  260.880635][ T5543] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  260.889895][ T5543] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  260.897960][ T5543] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  260.906864][ T5543] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  260.915177][ T5543] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  260.923991][ T5543] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  260.932066][ T5543]  </TASK>
[  260.936122][ T5543] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  260.950061][ T5543] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  261.260457][ T5545] loop1: detected capacity change from 0 to 32768
[  261.308054][ T5545] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  261.316205][ T5545] CPU: 0 PID: 5545 Comm: syz.1.216 Not tainted syzkaller #0
[  261.323506][ T5545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  261.333728][ T5545] Call Trace:
[  261.337025][ T5545]  <TASK>
[  261.339971][ T5545]  dump_stack_lvl+0x188/0x250
[  261.345114][ T5545]  ? show_regs_print_info+0x20/0x20
[  261.350328][ T5545]  ? load_image+0x400/0x400
[  261.355422][ T5545]  sysfs_create_dir_ns+0x26a/0x290
[  261.360646][ T5545]  ? sysfs_warn_dup+0xa0/0xa0
[  261.365612][ T5545]  ? do_raw_spin_unlock+0x11d/0x230
[  261.370835][ T5545]  kobject_add_internal+0x6e0/0xd90
[  261.376645][ T5545]  kobject_init_and_add+0x128/0x190
[  261.382208][ T5545]  ? lockdep_softirqs_off+0x430/0x430
[  261.387898][ T5545]  ? kobject_add+0x230/0x230
[  261.392518][ T5545]  ? __init_swait_queue_head+0xa5/0x150
[  261.398795][ T5545]  gfs2_sys_fs_add+0x24f/0x4b0
[  261.404035][ T5545]  ? gfs2_recover_set+0x240/0x240
[  261.409168][ T5545]  ? snprintf+0xe5/0x140
[  261.413520][ T5545]  ? __free_pages+0x95/0x1a0
[  261.418493][ T5545]  ? vscnprintf+0x80/0x80
[  261.422930][ T5545]  gfs2_fill_super+0x120f/0x1f00
[  261.427962][ T5545]  ? gfs2_reconfigure+0xd30/0xd30
[  261.433039][ T5545]  ? sb_set_blocksize+0xa5/0xe0
[  261.437974][ T5545]  get_tree_bdev+0x3f1/0x610
[  261.442602][ T5545]  ? gfs2_reconfigure+0xd30/0xd30
[  261.447723][ T5545]  gfs2_get_tree+0x4d/0x1e0
[  261.452221][ T5545]  vfs_get_tree+0x88/0x270
[  261.456766][ T5545]  do_new_mount+0x24a/0xa40
[  261.461307][ T5545]  __se_sys_mount+0x2e3/0x3d0
[  261.465990][ T5545]  ? __x64_sys_mount+0xc0/0xc0
[  261.470859][ T5545]  ? lockdep_hardirqs_on+0x94/0x140
[  261.476155][ T5545]  ? __x64_sys_mount+0x1c/0xc0
[  261.480955][ T5545]  do_syscall_64+0x4c/0xa0
[  261.485482][ T5545]  ? clear_bhb_loop+0x30/0x80
[  261.490238][ T5545]  ? clear_bhb_loop+0x30/0x80
[  261.495060][ T5545]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  261.501005][ T5545] RIP: 0033:0x7fddd18bff4a
[  261.505508][ T5545] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  261.525759][ T5545] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  261.534339][ T5545] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  261.542415][ T5545] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  261.550406][ T5545] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  261.558381][ T5545] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  261.566475][ T5545] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  261.574817][ T5545]  </TASK>
[  261.579565][ T5545] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  261.593956][ T5545] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  261.883424][ T5547] loop1: detected capacity change from 0 to 32768
[  261.915267][ T5547] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  261.925563][ T5547] CPU: 0 PID: 5547 Comm: syz.1.217 Not tainted syzkaller #0
[  261.933334][ T5547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  261.943658][ T5547] Call Trace:
[  261.947038][ T5547]  <TASK>
[  261.949975][ T5547]  dump_stack_lvl+0x188/0x250
[  261.954674][ T5547]  ? show_regs_print_info+0x20/0x20
[  261.959904][ T5547]  ? load_image+0x400/0x400
[  261.964444][ T5547]  sysfs_create_dir_ns+0x26a/0x290
[  261.969672][ T5547]  ? sysfs_warn_dup+0xa0/0xa0
[  261.974366][ T5547]  ? do_raw_spin_unlock+0x11d/0x230
[  261.979585][ T5547]  kobject_add_internal+0x6e0/0xd90
[  261.984813][ T5547]  kobject_init_and_add+0x128/0x190
[  261.990034][ T5547]  ? lockdep_softirqs_off+0x430/0x430
[  261.995613][ T5547]  ? kobject_add+0x230/0x230
[  262.000249][ T5547]  ? __init_swait_queue_head+0xa5/0x150
[  262.005999][ T5547]  gfs2_sys_fs_add+0x24f/0x4b0
[  262.010976][ T5547]  ? gfs2_recover_set+0x240/0x240
[  262.016499][ T5547]  ? snprintf+0xe5/0x140
[  262.020805][ T5547]  ? __free_pages+0x95/0x1a0
[  262.025500][ T5547]  ? vscnprintf+0x80/0x80
[  262.030022][ T5547]  gfs2_fill_super+0x120f/0x1f00
[  262.034975][ T5547]  ? gfs2_reconfigure+0xd30/0xd30
[  262.040183][ T5547]  ? sb_set_blocksize+0xa5/0xe0
[  262.045066][ T5547]  get_tree_bdev+0x3f1/0x610
[  262.049751][ T5547]  ? gfs2_reconfigure+0xd30/0xd30
[  262.055152][ T5547]  gfs2_get_tree+0x4d/0x1e0
[  262.059838][ T5547]  vfs_get_tree+0x88/0x270
[  262.064257][ T5547]  do_new_mount+0x24a/0xa40
[  262.068775][ T5547]  __se_sys_mount+0x2e3/0x3d0
[  262.073448][ T5547]  ? __x64_sys_mount+0xc0/0xc0
[  262.078449][ T5547]  ? lockdep_hardirqs_on+0x94/0x140
[  262.084160][ T5547]  ? __x64_sys_mount+0x1c/0xc0
[  262.089166][ T5547]  do_syscall_64+0x4c/0xa0
[  262.093679][ T5547]  ? clear_bhb_loop+0x30/0x80
[  262.098620][ T5547]  ? clear_bhb_loop+0x30/0x80
[  262.103578][ T5547]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  262.109480][ T5547] RIP: 0033:0x7fddd18bff4a
[  262.113920][ T5547] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  262.135107][ T5547] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  262.143753][ T5547] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  262.151765][ T5547] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  262.160108][ T5547] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  262.168483][ T5547] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  262.177078][ T5547] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  262.185152][ T5547]  </TASK>
[  262.195573][ T5547] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  262.208912][ T5547] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  262.529294][ T5549] loop1: detected capacity change from 0 to 32768
[  262.583995][ T5549] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  262.591406][ T5549] CPU: 1 PID: 5549 Comm: syz.1.218 Not tainted syzkaller #0
[  262.598870][ T5549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  262.608945][ T5549] Call Trace:
[  262.612337][ T5549]  <TASK>
[  262.615308][ T5549]  dump_stack_lvl+0x188/0x250
[  262.620008][ T5549]  ? show_regs_print_info+0x20/0x20
[  262.625226][ T5549]  ? load_image+0x400/0x400
[  262.629774][ T5549]  sysfs_create_dir_ns+0x26a/0x290
[  262.634997][ T5549]  ? sysfs_warn_dup+0xa0/0xa0
[  262.639705][ T5549]  ? do_raw_spin_unlock+0x11d/0x230
[  262.644948][ T5549]  kobject_add_internal+0x6e0/0xd90
[  262.650181][ T5549]  kobject_init_and_add+0x128/0x190
[  262.655401][ T5549]  ? lockdep_softirqs_off+0x430/0x430
[  262.660887][ T5549]  ? kobject_add+0x230/0x230
[  262.665668][ T5549]  ? __init_swait_queue_head+0xa5/0x150
[  262.671534][ T5549]  gfs2_sys_fs_add+0x24f/0x4b0
[  262.677038][ T5549]  ? gfs2_recover_set+0x240/0x240
[  262.682077][ T5549]  ? snprintf+0xe5/0x140
[  262.686572][ T5549]  ? __free_pages+0x95/0x1a0
[  262.691541][ T5549]  ? vscnprintf+0x80/0x80
[  262.696092][ T5549]  gfs2_fill_super+0x120f/0x1f00
[  262.701032][ T5549]  ? gfs2_reconfigure+0xd30/0xd30
[  262.706054][ T5549]  ? sb_set_blocksize+0xa5/0xe0
[  262.710901][ T5549]  get_tree_bdev+0x3f1/0x610
[  262.715491][ T5549]  ? gfs2_reconfigure+0xd30/0xd30
[  262.720537][ T5549]  gfs2_get_tree+0x4d/0x1e0
[  262.725040][ T5549]  vfs_get_tree+0x88/0x270
[  262.729450][ T5549]  do_new_mount+0x24a/0xa40
[  262.734046][ T5549]  __se_sys_mount+0x2e3/0x3d0
[  262.738719][ T5549]  ? __x64_sys_mount+0xc0/0xc0
[  262.743569][ T5549]  ? lockdep_hardirqs_on+0x94/0x140
[  262.748781][ T5549]  ? __x64_sys_mount+0x1c/0xc0
[  262.753536][ T5549]  do_syscall_64+0x4c/0xa0
[  262.757965][ T5549]  ? clear_bhb_loop+0x30/0x80
[  262.762629][ T5549]  ? clear_bhb_loop+0x30/0x80
[  262.767377][ T5549]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  262.773497][ T5549] RIP: 0033:0x7fddd18bff4a
[  262.777921][ T5549] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  262.797629][ T5549] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  262.806137][ T5549] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  262.814619][ T5549] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  262.822668][ T5549] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  262.830637][ T5549] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  262.838608][ T5549] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  262.846675][ T5549]  </TASK>
[  262.852142][ T5549] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  262.865835][ T5549] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/05/22 15:24:11 executed programs: 204
[  263.181565][ T5551] loop1: detected capacity change from 0 to 32768
[  263.193489][ T5551] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  263.201732][ T5551] CPU: 1 PID: 5551 Comm: syz.1.219 Not tainted syzkaller #0
[  263.209305][ T5551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  263.219558][ T5551] Call Trace:
[  263.223021][ T5551]  <TASK>
[  263.225976][ T5551]  dump_stack_lvl+0x188/0x250
[  263.230763][ T5551]  ? show_regs_print_info+0x20/0x20
[  263.236307][ T5551]  ? load_image+0x400/0x400
[  263.240833][ T5551]  sysfs_create_dir_ns+0x26a/0x290
[  263.246223][ T5551]  ? sysfs_warn_dup+0xa0/0xa0
[  263.251010][ T5551]  ? do_raw_spin_unlock+0x11d/0x230
[  263.256624][ T5551]  kobject_add_internal+0x6e0/0xd90
[  263.262440][ T5551]  kobject_init_and_add+0x128/0x190
[  263.267736][ T5551]  ? lockdep_softirqs_off+0x430/0x430
[  263.273497][ T5551]  ? kobject_add+0x230/0x230
[  263.278253][ T5551]  ? __init_swait_queue_head+0xa5/0x150
[  263.283993][ T5551]  gfs2_sys_fs_add+0x24f/0x4b0
[  263.288948][ T5551]  ? gfs2_recover_set+0x240/0x240
[  263.294091][ T5551]  ? snprintf+0xe5/0x140
[  263.298626][ T5551]  ? __free_pages+0x95/0x1a0
[  263.303341][ T5551]  ? vscnprintf+0x80/0x80
[  263.309167][ T5551]  gfs2_fill_super+0x120f/0x1f00
[  263.314644][ T5551]  ? gfs2_reconfigure+0xd30/0xd30
[  263.319973][ T5551]  ? sb_set_blocksize+0xa5/0xe0
[  263.325118][ T5551]  get_tree_bdev+0x3f1/0x610
[  263.329865][ T5551]  ? gfs2_reconfigure+0xd30/0xd30
[  263.334994][ T5551]  gfs2_get_tree+0x4d/0x1e0
[  263.339600][ T5551]  vfs_get_tree+0x88/0x270
[  263.344127][ T5551]  do_new_mount+0x24a/0xa40
[  263.349091][ T5551]  __se_sys_mount+0x2e3/0x3d0
[  263.354055][ T5551]  ? __x64_sys_mount+0xc0/0xc0
[  263.359557][ T5551]  ? lockdep_hardirqs_on+0x94/0x140
[  263.364767][ T5551]  ? __x64_sys_mount+0x1c/0xc0
[  263.369631][ T5551]  do_syscall_64+0x4c/0xa0
[  263.374051][ T5551]  ? clear_bhb_loop+0x30/0x80
[  263.378733][ T5551]  ? clear_bhb_loop+0x30/0x80
[  263.383725][ T5551]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  263.389970][ T5551] RIP: 0033:0x7fddd18bff4a
[  263.394768][ T5551] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  263.415063][ T5551] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  263.423853][ T5551] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  263.432353][ T5551] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  263.440505][ T5551] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  263.448469][ T5551] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  263.456423][ T5551] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  263.464780][ T5551]  </TASK>
[  263.470302][ T5551] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  263.483836][ T5551] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  263.796290][ T5553] loop1: detected capacity change from 0 to 32768
[  263.850918][ T5553] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  263.858487][ T5553] CPU: 1 PID: 5553 Comm: syz.1.220 Not tainted syzkaller #0
[  263.866049][ T5553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  263.876403][ T5553] Call Trace:
[  263.879692][ T5553]  <TASK>
[  263.882725][ T5553]  dump_stack_lvl+0x188/0x250
[  263.887422][ T5553]  ? show_regs_print_info+0x20/0x20
[  263.892649][ T5553]  ? load_image+0x400/0x400
[  263.897273][ T5553]  sysfs_create_dir_ns+0x26a/0x290
[  263.902401][ T5553]  ? sysfs_warn_dup+0xa0/0xa0
[  263.907099][ T5553]  ? do_raw_spin_unlock+0x11d/0x230
[  263.912324][ T5553]  kobject_add_internal+0x6e0/0xd90
[  263.917636][ T5553]  kobject_init_and_add+0x128/0x190
[  263.922862][ T5553]  ? lockdep_softirqs_off+0x430/0x430
[  263.928335][ T5553]  ? kobject_add+0x230/0x230
[  263.933034][ T5553]  ? __init_swait_queue_head+0xa5/0x150
[  263.939271][ T5553]  gfs2_sys_fs_add+0x24f/0x4b0
[  263.944286][ T5553]  ? gfs2_recover_set+0x240/0x240
[  263.949562][ T5553]  ? snprintf+0xe5/0x140
[  263.953816][ T5553]  ? __free_pages+0x95/0x1a0
[  263.958421][ T5553]  ? vscnprintf+0x80/0x80
[  263.962798][ T5553]  gfs2_fill_super+0x120f/0x1f00
[  263.967750][ T5553]  ? gfs2_reconfigure+0xd30/0xd30
[  263.972965][ T5553]  ? sb_set_blocksize+0xa5/0xe0
[  263.977916][ T5553]  get_tree_bdev+0x3f1/0x610
[  263.982696][ T5553]  ? gfs2_reconfigure+0xd30/0xd30
[  263.987849][ T5553]  gfs2_get_tree+0x4d/0x1e0
[  263.992367][ T5553]  vfs_get_tree+0x88/0x270
[  263.997003][ T5553]  do_new_mount+0x24a/0xa40
[  264.001653][ T5553]  __se_sys_mount+0x2e3/0x3d0
[  264.006560][ T5553]  ? __x64_sys_mount+0xc0/0xc0
[  264.011862][ T5553]  ? lockdep_hardirqs_on+0x94/0x140
[  264.017538][ T5553]  ? __x64_sys_mount+0x1c/0xc0
[  264.022487][ T5553]  do_syscall_64+0x4c/0xa0
[  264.027086][ T5553]  ? clear_bhb_loop+0x30/0x80
[  264.031758][ T5553]  ? clear_bhb_loop+0x30/0x80
[  264.036438][ T5553]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  264.042479][ T5553] RIP: 0033:0x7fddd18bff4a
[  264.047280][ T5553] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  264.067191][ T5553] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  264.075612][ T5553] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  264.083667][ T5553] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  264.091837][ T5553] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  264.099902][ T5553] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  264.108820][ T5553] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  264.117245][ T5553]  </TASK>
[  264.122765][ T5553] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  264.137676][ T5553] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  264.478407][ T5555] loop1: detected capacity change from 0 to 32768
[  264.543417][ T5555] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  264.551132][ T5555] CPU: 0 PID: 5555 Comm: syz.1.221 Not tainted syzkaller #0
[  264.558528][ T5555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  264.568607][ T5555] Call Trace:
[  264.572151][ T5555]  <TASK>
[  264.575082][ T5555]  dump_stack_lvl+0x188/0x250
[  264.579925][ T5555]  ? show_regs_print_info+0x20/0x20
[  264.585228][ T5555]  ? load_image+0x400/0x400
[  264.589951][ T5555]  sysfs_create_dir_ns+0x26a/0x290
[  264.595093][ T5555]  ? sysfs_warn_dup+0xa0/0xa0
[  264.600165][ T5555]  ? do_raw_spin_unlock+0x11d/0x230
[  264.605613][ T5555]  kobject_add_internal+0x6e0/0xd90
[  264.610835][ T5555]  kobject_init_and_add+0x128/0x190
[  264.616047][ T5555]  ? lockdep_softirqs_off+0x430/0x430
[  264.621522][ T5555]  ? kobject_add+0x230/0x230
[  264.626106][ T5555]  ? __init_swait_queue_head+0xa5/0x150
[  264.632132][ T5555]  gfs2_sys_fs_add+0x24f/0x4b0
[  264.637246][ T5555]  ? gfs2_recover_set+0x240/0x240
[  264.642458][ T5555]  ? snprintf+0xe5/0x140
[  264.646712][ T5555]  ? __free_pages+0x95/0x1a0
[  264.651603][ T5555]  ? vscnprintf+0x80/0x80
[  264.656118][ T5555]  gfs2_fill_super+0x120f/0x1f00
[  264.661318][ T5555]  ? gfs2_reconfigure+0xd30/0xd30
[  264.666346][ T5555]  ? sb_set_blocksize+0xa5/0xe0
[  264.671307][ T5555]  get_tree_bdev+0x3f1/0x610
[  264.675900][ T5555]  ? gfs2_reconfigure+0xd30/0xd30
[  264.681247][ T5555]  gfs2_get_tree+0x4d/0x1e0
[  264.686179][ T5555]  vfs_get_tree+0x88/0x270
[  264.690720][ T5555]  do_new_mount+0x24a/0xa40
[  264.695469][ T5555]  __se_sys_mount+0x2e3/0x3d0
[  264.700149][ T5555]  ? __x64_sys_mount+0xc0/0xc0
[  264.704998][ T5555]  ? lockdep_hardirqs_on+0x94/0x140
[  264.710668][ T5555]  ? __x64_sys_mount+0x1c/0xc0
[  264.715685][ T5555]  do_syscall_64+0x4c/0xa0
[  264.720108][ T5555]  ? clear_bhb_loop+0x30/0x80
[  264.724823][ T5555]  ? clear_bhb_loop+0x30/0x80
[  264.730006][ T5555]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  264.736377][ T5555] RIP: 0033:0x7fddd18bff4a
[  264.740921][ T5555] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  264.761513][ T5555] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  264.770677][ T5555] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  264.778778][ T5555] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  264.787250][ T5555] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  264.795349][ T5555] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  264.803318][ T5555] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  264.811845][ T5555]  </TASK>
[  264.815576][ T5555] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  264.829209][ T5555] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  265.137643][ T5557] loop1: detected capacity change from 0 to 32768
[  265.193113][ T5557] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  265.201502][ T5557] CPU: 0 PID: 5557 Comm: syz.1.222 Not tainted syzkaller #0
[  265.209261][ T5557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  265.219715][ T5557] Call Trace:
[  265.223972][ T5557]  <TASK>
[  265.226924][ T5557]  dump_stack_lvl+0x188/0x250
[  265.231984][ T5557]  ? show_regs_print_info+0x20/0x20
[  265.237468][ T5557]  ? load_image+0x400/0x400
[  265.242272][ T5557]  sysfs_create_dir_ns+0x26a/0x290
[  265.247491][ T5557]  ? sysfs_warn_dup+0xa0/0xa0
[  265.252370][ T5557]  ? do_raw_spin_unlock+0x11d/0x230
[  265.257848][ T5557]  kobject_add_internal+0x6e0/0xd90
[  265.263075][ T5557]  kobject_init_and_add+0x128/0x190
[  265.268426][ T5557]  ? lockdep_softirqs_off+0x430/0x430
[  265.273823][ T5557]  ? kobject_add+0x230/0x230
[  265.278433][ T5557]  ? __init_swait_queue_head+0xa5/0x150
[  265.284375][ T5557]  gfs2_sys_fs_add+0x24f/0x4b0
[  265.289274][ T5557]  ? gfs2_recover_set+0x240/0x240
[  265.294566][ T5557]  ? snprintf+0xe5/0x140
[  265.299487][ T5557]  ? __free_pages+0x95/0x1a0
[  265.304580][ T5557]  ? vscnprintf+0x80/0x80
[  265.309210][ T5557]  gfs2_fill_super+0x120f/0x1f00
[  265.314630][ T5557]  ? gfs2_reconfigure+0xd30/0xd30
[  265.320878][ T5557]  ? sb_set_blocksize+0xa5/0xe0
[  265.325750][ T5557]  get_tree_bdev+0x3f1/0x610
[  265.330525][ T5557]  ? gfs2_reconfigure+0xd30/0xd30
[  265.335716][ T5557]  gfs2_get_tree+0x4d/0x1e0
[  265.340400][ T5557]  vfs_get_tree+0x88/0x270
[  265.345023][ T5557]  do_new_mount+0x24a/0xa40
[  265.349855][ T5557]  __se_sys_mount+0x2e3/0x3d0
[  265.354542][ T5557]  ? __x64_sys_mount+0xc0/0xc0
[  265.359468][ T5557]  ? lockdep_hardirqs_on+0x94/0x140
[  265.364675][ T5557]  ? __x64_sys_mount+0x1c/0xc0
[  265.369460][ T5557]  do_syscall_64+0x4c/0xa0
[  265.373996][ T5557]  ? clear_bhb_loop+0x30/0x80
[  265.378684][ T5557]  ? clear_bhb_loop+0x30/0x80
[  265.383771][ T5557]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  265.389950][ T5557] RIP: 0033:0x7fddd18bff4a
[  265.394366][ T5557] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  265.414533][ T5557] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  265.423042][ T5557] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  265.431028][ T5557] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  265.439608][ T5557] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  265.448321][ T5557] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  265.456663][ T5557] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  265.465012][ T5557]  </TASK>
[  265.475409][ T5557] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  265.490154][ T5557] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  265.802582][ T5559] loop1: detected capacity change from 0 to 32768
[  265.884669][ T5559] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  265.894652][ T5559] CPU: 0 PID: 5559 Comm: syz.1.223 Not tainted syzkaller #0
[  265.902410][ T5559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  265.912838][ T5559] Call Trace:
[  265.916129][ T5559]  <TASK>
[  265.919085][ T5559]  dump_stack_lvl+0x188/0x250
[  265.924040][ T5559]  ? show_regs_print_info+0x20/0x20
[  265.929281][ T5559]  ? load_image+0x400/0x400
[  265.933973][ T5559]  sysfs_create_dir_ns+0x26a/0x290
[  265.939268][ T5559]  ? sysfs_warn_dup+0xa0/0xa0
[  265.944062][ T5559]  ? do_raw_spin_unlock+0x11d/0x230
[  265.949512][ T5559]  kobject_add_internal+0x6e0/0xd90
[  265.955085][ T5559]  kobject_init_and_add+0x128/0x190
[  265.960475][ T5559]  ? lockdep_softirqs_off+0x430/0x430
[  265.966083][ T5559]  ? kobject_add+0x230/0x230
[  265.971051][ T5559]  ? __init_swait_queue_head+0xa5/0x150
[  265.976873][ T5559]  gfs2_sys_fs_add+0x24f/0x4b0
[  265.981925][ T5559]  ? gfs2_recover_set+0x240/0x240
[  265.987103][ T5559]  ? snprintf+0xe5/0x140
[  265.992263][ T5559]  ? __free_pages+0x95/0x1a0
[  265.997318][ T5559]  ? vscnprintf+0x80/0x80
[  266.001890][ T5559]  gfs2_fill_super+0x120f/0x1f00
[  266.007167][ T5559]  ? gfs2_reconfigure+0xd30/0xd30
[  266.012309][ T5559]  ? sb_set_blocksize+0xa5/0xe0
[  266.017307][ T5559]  get_tree_bdev+0x3f1/0x610
[  266.022326][ T5559]  ? gfs2_reconfigure+0xd30/0xd30
[  266.028000][ T5559]  gfs2_get_tree+0x4d/0x1e0
[  266.032684][ T5559]  vfs_get_tree+0x88/0x270
[  266.037445][ T5559]  do_new_mount+0x24a/0xa40
[  266.041962][ T5559]  __se_sys_mount+0x2e3/0x3d0
[  266.046724][ T5559]  ? __x64_sys_mount+0xc0/0xc0
[  266.052138][ T5559]  ? lockdep_hardirqs_on+0x94/0x140
[  266.057789][ T5559]  ? __x64_sys_mount+0x1c/0xc0
[  266.062659][ T5559]  do_syscall_64+0x4c/0xa0
[  266.067385][ T5559]  ? clear_bhb_loop+0x30/0x80
[  266.072567][ T5559]  ? clear_bhb_loop+0x30/0x80
[  266.077442][ T5559]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  266.083422][ T5559] RIP: 0033:0x7fddd18bff4a
[  266.088048][ T5559] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  266.108434][ T5559] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  266.117074][ T5559] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  266.125982][ T5559] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  266.134121][ T5559] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  266.142410][ T5559] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  266.150718][ T5559] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  266.159020][ T5559]  </TASK>
[  266.162677][ T5559] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  266.176198][ T5559] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  266.496822][ T5561] loop1: detected capacity change from 0 to 32768
[  266.543058][ T5561] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  266.550844][ T5561] CPU: 1 PID: 5561 Comm: syz.1.224 Not tainted syzkaller #0
[  266.558401][ T5561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  266.568477][ T5561] Call Trace:
[  266.571859][ T5561]  <TASK>
[  266.574828][ T5561]  dump_stack_lvl+0x188/0x250
[  266.579526][ T5561]  ? show_regs_print_info+0x20/0x20
[  266.585104][ T5561]  ? load_image+0x400/0x400
[  266.589639][ T5561]  sysfs_create_dir_ns+0x26a/0x290
[  266.594876][ T5561]  ? sysfs_warn_dup+0xa0/0xa0
[  266.599701][ T5561]  ? do_raw_spin_unlock+0x11d/0x230
[  266.605146][ T5561]  kobject_add_internal+0x6e0/0xd90
[  266.610369][ T5561]  kobject_init_and_add+0x128/0x190
[  266.615573][ T5561]  ? lockdep_softirqs_off+0x430/0x430
[  266.621221][ T5561]  ? kobject_add+0x230/0x230
[  266.626238][ T5561]  ? __init_swait_queue_head+0xa5/0x150
[  266.632030][ T5561]  gfs2_sys_fs_add+0x24f/0x4b0
[  266.637005][ T5561]  ? gfs2_recover_set+0x240/0x240
[  266.642184][ T5561]  ? snprintf+0xe5/0x140
[  266.647335][ T5561]  ? __free_pages+0x95/0x1a0
[  266.651942][ T5561]  ? vscnprintf+0x80/0x80
[  266.656464][ T5561]  gfs2_fill_super+0x120f/0x1f00
[  266.661454][ T5561]  ? gfs2_reconfigure+0xd30/0xd30
[  266.666479][ T5561]  ? sb_set_blocksize+0xa5/0xe0
[  266.671341][ T5561]  get_tree_bdev+0x3f1/0x610
[  266.676271][ T5561]  ? gfs2_reconfigure+0xd30/0xd30
[  266.681781][ T5561]  gfs2_get_tree+0x4d/0x1e0
[  266.686894][ T5561]  vfs_get_tree+0x88/0x270
[  266.691441][ T5561]  do_new_mount+0x24a/0xa40
[  266.696144][ T5561]  __se_sys_mount+0x2e3/0x3d0
[  266.701036][ T5561]  ? __x64_sys_mount+0xc0/0xc0
[  266.705914][ T5561]  ? lockdep_hardirqs_on+0x94/0x140
[  266.711446][ T5561]  ? __x64_sys_mount+0x1c/0xc0
[  266.716534][ T5561]  do_syscall_64+0x4c/0xa0
[  266.721521][ T5561]  ? clear_bhb_loop+0x30/0x80
[  266.726802][ T5561]  ? clear_bhb_loop+0x30/0x80
[  266.731783][ T5561]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  266.737789][ T5561] RIP: 0033:0x7fddd18bff4a
[  266.743287][ T5561] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  266.764244][ T5561] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  266.773078][ T5561] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  266.781147][ T5561] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  266.789259][ T5561] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  266.797257][ T5561] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  266.805508][ T5561] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  266.813697][ T5561]  </TASK>
[  266.819114][ T5561] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  266.832442][ T5561] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  267.138934][ T5563] loop1: detected capacity change from 0 to 32768
[  267.160983][ T5563] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  267.168571][ T5563] CPU: 1 PID: 5563 Comm: syz.1.225 Not tainted syzkaller #0
[  267.176129][ T5563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  267.186868][ T5563] Call Trace:
[  267.190245][ T5563]  <TASK>
[  267.193185][ T5563]  dump_stack_lvl+0x188/0x250
[  267.198067][ T5563]  ? show_regs_print_info+0x20/0x20
[  267.203286][ T5563]  ? load_image+0x400/0x400
[  267.208190][ T5563]  sysfs_create_dir_ns+0x26a/0x290
[  267.213581][ T5563]  ? sysfs_warn_dup+0xa0/0xa0
[  267.218371][ T5563]  ? do_raw_spin_unlock+0x11d/0x230
[  267.223862][ T5563]  kobject_add_internal+0x6e0/0xd90
[  267.229085][ T5563]  kobject_init_and_add+0x128/0x190
[  267.234458][ T5563]  ? lockdep_softirqs_off+0x430/0x430
[  267.239926][ T5563]  ? kobject_add+0x230/0x230
[  267.244546][ T5563]  ? __init_swait_queue_head+0xa5/0x150
[  267.253647][ T5563]  gfs2_sys_fs_add+0x24f/0x4b0
[  267.258554][ T5563]  ? gfs2_recover_set+0x240/0x240
[  267.263941][ T5563]  ? snprintf+0xe5/0x140
[  267.268405][ T5563]  ? __free_pages+0x95/0x1a0
[  267.273115][ T5563]  ? vscnprintf+0x80/0x80
[  267.277631][ T5563]  gfs2_fill_super+0x120f/0x1f00
[  267.283012][ T5563]  ? gfs2_reconfigure+0xd30/0xd30
[  267.288060][ T5563]  ? sb_set_blocksize+0xa5/0xe0
[  267.293092][ T5563]  get_tree_bdev+0x3f1/0x610
[  267.298146][ T5563]  ? gfs2_reconfigure+0xd30/0xd30
[  267.303996][ T5563]  gfs2_get_tree+0x4d/0x1e0
[  267.308601][ T5563]  vfs_get_tree+0x88/0x270
[  267.313371][ T5563]  do_new_mount+0x24a/0xa40
[  267.318575][ T5563]  __se_sys_mount+0x2e3/0x3d0
[  267.323729][ T5563]  ? __x64_sys_mount+0xc0/0xc0
[  267.328585][ T5563]  ? lockdep_hardirqs_on+0x94/0x140
[  267.333783][ T5563]  ? __x64_sys_mount+0x1c/0xc0
[  267.338537][ T5563]  do_syscall_64+0x4c/0xa0
[  267.343028][ T5563]  ? clear_bhb_loop+0x30/0x80
[  267.347879][ T5563]  ? clear_bhb_loop+0x30/0x80
[  267.352732][ T5563]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  267.359082][ T5563] RIP: 0033:0x7fddd18bff4a
[  267.363583][ T5563] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  267.383922][ T5563] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  267.392506][ T5563] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  267.400472][ T5563] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  267.408446][ T5563] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  267.416409][ T5563] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  267.424463][ T5563] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  267.432531][ T5563]  </TASK>
[  267.437715][ T5563] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  267.451110][ T5563] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  267.772301][ T5565] loop1: detected capacity change from 0 to 32768
[  267.820413][ T5565] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  267.828108][ T5565] CPU: 1 PID: 5565 Comm: syz.1.226 Not tainted syzkaller #0
[  267.835414][ T5565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  267.845847][ T5565] Call Trace:
[  267.849145][ T5565]  <TASK>
[  267.852187][ T5565]  dump_stack_lvl+0x188/0x250
[  267.856896][ T5565]  ? show_regs_print_info+0x20/0x20
[  267.862119][ T5565]  ? load_image+0x400/0x400
[  267.866653][ T5565]  sysfs_create_dir_ns+0x26a/0x290
[  267.871996][ T5565]  ? sysfs_warn_dup+0xa0/0xa0
[  267.876690][ T5565]  ? do_raw_spin_unlock+0x11d/0x230
[  267.882104][ T5565]  kobject_add_internal+0x6e0/0xd90
[  267.887510][ T5565]  kobject_init_and_add+0x128/0x190
[  267.892747][ T5565]  ? lockdep_softirqs_off+0x430/0x430
[  267.898144][ T5565]  ? kobject_add+0x230/0x230
[  267.902758][ T5565]  ? __init_swait_queue_head+0xa5/0x150
[  267.908436][ T5565]  gfs2_sys_fs_add+0x24f/0x4b0
[  267.913620][ T5565]  ? gfs2_recover_set+0x240/0x240
[  267.918958][ T5565]  ? snprintf+0xe5/0x140
[  267.923228][ T5565]  ? __free_pages+0x95/0x1a0
[  267.927832][ T5565]  ? vscnprintf+0x80/0x80
[  267.932319][ T5565]  gfs2_fill_super+0x120f/0x1f00
[  267.937681][ T5565]  ? gfs2_reconfigure+0xd30/0xd30
[  267.942878][ T5565]  ? sb_set_blocksize+0xa5/0xe0
[  267.948293][ T5565]  get_tree_bdev+0x3f1/0x610
[  267.953085][ T5565]  ? gfs2_reconfigure+0xd30/0xd30
[  267.958753][ T5565]  gfs2_get_tree+0x4d/0x1e0
[  267.963700][ T5565]  vfs_get_tree+0x88/0x270
[  267.968636][ T5565]  do_new_mount+0x24a/0xa40
[  267.973147][ T5565]  __se_sys_mount+0x2e3/0x3d0
[  267.977822][ T5565]  ? __x64_sys_mount+0xc0/0xc0
[  267.982756][ T5565]  ? lockdep_hardirqs_on+0x94/0x140
[  267.988119][ T5565]  ? __x64_sys_mount+0x1c/0xc0
[  267.993315][ T5565]  do_syscall_64+0x4c/0xa0
[  267.997745][ T5565]  ? clear_bhb_loop+0x30/0x80
[  268.002504][ T5565]  ? clear_bhb_loop+0x30/0x80
[  268.007173][ T5565]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  268.013380][ T5565] RIP: 0033:0x7fddd18bff4a
[  268.018493][ T5565] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  268.038445][ T5565] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  268.047733][ T5565] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  268.055974][ T5565] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  268.063946][ T5565] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  268.072041][ T5565] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  268.080024][ T5565] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  268.089481][ T5565]  </TASK>
[  268.094799][ T5565] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  268.109618][ T5565] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/05/22 15:24:16 executed programs: 212
[  268.410678][ T5567] loop1: detected capacity change from 0 to 32768
[  268.471194][ T5567] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  268.479803][ T5567] CPU: 1 PID: 5567 Comm: syz.1.227 Not tainted syzkaller #0
[  268.487486][ T5567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  268.497551][ T5567] Call Trace:
[  268.500837][ T5567]  <TASK>
[  268.503874][ T5567]  dump_stack_lvl+0x188/0x250
[  268.508565][ T5567]  ? show_regs_print_info+0x20/0x20
[  268.513782][ T5567]  ? load_image+0x400/0x400
[  268.518395][ T5567]  sysfs_create_dir_ns+0x26a/0x290
[  268.523697][ T5567]  ? sysfs_warn_dup+0xa0/0xa0
[  268.528391][ T5567]  ? do_raw_spin_unlock+0x11d/0x230
[  268.533710][ T5567]  kobject_add_internal+0x6e0/0xd90
[  268.538930][ T5567]  kobject_init_and_add+0x128/0x190
[  268.544674][ T5567]  ? lockdep_softirqs_off+0x430/0x430
[  268.550338][ T5567]  ? kobject_add+0x230/0x230
[  268.555004][ T5567]  ? __init_swait_queue_head+0xa5/0x150
[  268.560694][ T5567]  gfs2_sys_fs_add+0x24f/0x4b0
[  268.565740][ T5567]  ? gfs2_recover_set+0x240/0x240
[  268.570893][ T5567]  ? snprintf+0xe5/0x140
[  268.575133][ T5567]  ? __free_pages+0x95/0x1a0
[  268.579737][ T5567]  ? vscnprintf+0x80/0x80
[  268.584302][ T5567]  gfs2_fill_super+0x120f/0x1f00
[  268.589785][ T5567]  ? gfs2_reconfigure+0xd30/0xd30
[  268.594816][ T5567]  ? sb_set_blocksize+0xa5/0xe0
[  268.600035][ T5567]  get_tree_bdev+0x3f1/0x610
[  268.604848][ T5567]  ? gfs2_reconfigure+0xd30/0xd30
[  268.610051][ T5567]  gfs2_get_tree+0x4d/0x1e0
[  268.614748][ T5567]  vfs_get_tree+0x88/0x270
[  268.619265][ T5567]  do_new_mount+0x24a/0xa40
[  268.623968][ T5567]  __se_sys_mount+0x2e3/0x3d0
[  268.628642][ T5567]  ? __x64_sys_mount+0xc0/0xc0
[  268.633465][ T5567]  ? lockdep_hardirqs_on+0x94/0x140
[  268.638684][ T5567]  ? __x64_sys_mount+0x1c/0xc0
[  268.643490][ T5567]  do_syscall_64+0x4c/0xa0
[  268.648018][ T5567]  ? clear_bhb_loop+0x30/0x80
[  268.652870][ T5567]  ? clear_bhb_loop+0x30/0x80
[  268.657807][ T5567]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  268.663913][ T5567] RIP: 0033:0x7fddd18bff4a
[  268.668931][ T5567] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  268.688826][ T5567] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  268.697347][ T5567] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  268.705348][ T5567] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  268.713324][ T5567] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  268.721404][ T5567] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  268.729640][ T5567] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  268.737626][ T5567]  </TASK>
[  268.742433][ T5567] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  268.756962][ T5567] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  269.089953][ T5569] loop1: detected capacity change from 0 to 32768
[  269.142374][ T5569] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  269.149906][ T5569] CPU: 0 PID: 5569 Comm: syz.1.228 Not tainted syzkaller #0
[  269.157203][ T5569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  269.167270][ T5569] Call Trace:
[  269.170566][ T5569]  <TASK>
[  269.173681][ T5569]  dump_stack_lvl+0x188/0x250
[  269.178473][ T5569]  ? show_regs_print_info+0x20/0x20
[  269.183968][ T5569]  ? load_image+0x400/0x400
[  269.188493][ T5569]  sysfs_create_dir_ns+0x26a/0x290
[  269.193621][ T5569]  ? sysfs_warn_dup+0xa0/0xa0
[  269.198323][ T5569]  ? do_raw_spin_unlock+0x11d/0x230
[  269.203545][ T5569]  kobject_add_internal+0x6e0/0xd90
[  269.208764][ T5569]  kobject_init_and_add+0x128/0x190
[  269.214118][ T5569]  ? lockdep_softirqs_off+0x430/0x430
[  269.219605][ T5569]  ? kobject_add+0x230/0x230
[  269.224390][ T5569]  ? __init_swait_queue_head+0xa5/0x150
[  269.230042][ T5569]  gfs2_sys_fs_add+0x24f/0x4b0
[  269.234826][ T5569]  ? gfs2_recover_set+0x240/0x240
[  269.239930][ T5569]  ? snprintf+0xe5/0x140
[  269.244259][ T5569]  ? __free_pages+0x95/0x1a0
[  269.248978][ T5569]  ? vscnprintf+0x80/0x80
[  269.253321][ T5569]  gfs2_fill_super+0x120f/0x1f00
[  269.258346][ T5569]  ? gfs2_reconfigure+0xd30/0xd30
[  269.263472][ T5569]  ? sb_set_blocksize+0xa5/0xe0
[  269.268335][ T5569]  get_tree_bdev+0x3f1/0x610
[  269.272939][ T5569]  ? gfs2_reconfigure+0xd30/0xd30
[  269.278051][ T5569]  gfs2_get_tree+0x4d/0x1e0
[  269.282561][ T5569]  vfs_get_tree+0x88/0x270
[  269.287177][ T5569]  do_new_mount+0x24a/0xa40
[  269.291766][ T5569]  __se_sys_mount+0x2e3/0x3d0
[  269.296528][ T5569]  ? __x64_sys_mount+0xc0/0xc0
[  269.301706][ T5569]  ? lockdep_hardirqs_on+0x94/0x140
[  269.307007][ T5569]  ? __x64_sys_mount+0x1c/0xc0
[  269.311864][ T5569]  do_syscall_64+0x4c/0xa0
[  269.316371][ T5569]  ? clear_bhb_loop+0x30/0x80
[  269.321139][ T5569]  ? clear_bhb_loop+0x30/0x80
[  269.326001][ T5569]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  269.332208][ T5569] RIP: 0033:0x7fddd18bff4a
[  269.336896][ T5569] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  269.357015][ T5569] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  269.365886][ T5569] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  269.374360][ T5569] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  269.382941][ T5569] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  269.391287][ T5569] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  269.399490][ T5569] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  269.407671][ T5569]  </TASK>
[  269.411688][ T5569] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  269.425475][ T5569] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  269.737383][ T5571] loop1: detected capacity change from 0 to 32768
[  269.798066][ T5571] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  269.808946][ T5571] CPU: 0 PID: 5571 Comm: syz.1.229 Not tainted syzkaller #0
[  269.816545][ T5571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  269.828122][ T5571] Call Trace:
[  269.831604][ T5571]  <TASK>
[  269.834692][ T5571]  dump_stack_lvl+0x188/0x250
[  269.839582][ T5571]  ? show_regs_print_info+0x20/0x20
[  269.845195][ T5571]  ? load_image+0x400/0x400
[  269.849727][ T5571]  sysfs_create_dir_ns+0x26a/0x290
[  269.854945][ T5571]  ? sysfs_warn_dup+0xa0/0xa0
[  269.859948][ T5571]  ? do_raw_spin_unlock+0x11d/0x230
[  269.865337][ T5571]  kobject_add_internal+0x6e0/0xd90
[  269.870924][ T5571]  kobject_init_and_add+0x128/0x190
[  269.876277][ T5571]  ? lockdep_softirqs_off+0x430/0x430
[  269.881765][ T5571]  ? kobject_add+0x230/0x230
[  269.886372][ T5571]  ? __init_swait_queue_head+0xa5/0x150
[  269.892217][ T5571]  gfs2_sys_fs_add+0x24f/0x4b0
[  269.897531][ T5571]  ? gfs2_recover_set+0x240/0x240
[  269.902570][ T5571]  ? snprintf+0xe5/0x140
[  269.906964][ T5571]  ? __free_pages+0x95/0x1a0
[  269.911643][ T5571]  ? vscnprintf+0x80/0x80
[  269.916070][ T5571]  gfs2_fill_super+0x120f/0x1f00
[  269.921183][ T5571]  ? gfs2_reconfigure+0xd30/0xd30
[  269.926363][ T5571]  ? sb_set_blocksize+0xa5/0xe0
[  269.931293][ T5571]  get_tree_bdev+0x3f1/0x610
[  269.936215][ T5571]  ? gfs2_reconfigure+0xd30/0xd30
[  269.941295][ T5571]  gfs2_get_tree+0x4d/0x1e0
[  269.945929][ T5571]  vfs_get_tree+0x88/0x270
[  269.950530][ T5571]  do_new_mount+0x24a/0xa40
[  269.955036][ T5571]  __se_sys_mount+0x2e3/0x3d0
[  269.960607][ T5571]  ? __x64_sys_mount+0xc0/0xc0
[  269.965374][ T5571]  ? lockdep_hardirqs_on+0x94/0x140
[  269.970720][ T5571]  ? __x64_sys_mount+0x1c/0xc0
[  269.975508][ T5571]  do_syscall_64+0x4c/0xa0
[  269.980106][ T5571]  ? clear_bhb_loop+0x30/0x80
[  269.984943][ T5571]  ? clear_bhb_loop+0x30/0x80
[  269.989706][ T5571]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  269.995688][ T5571] RIP: 0033:0x7fddd18bff4a
[  270.000098][ T5571] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  270.020053][ T5571] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  270.028901][ T5571] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  270.037044][ T5571] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  270.045006][ T5571] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  270.053148][ T5571] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  270.061458][ T5571] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  270.070598][ T5571]  </TASK>
[  270.074165][ T5571] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  270.088671][ T5571] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  270.394606][ T5573] loop1: detected capacity change from 0 to 32768
[  270.435036][ T5573] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  270.452335][ T5573] CPU: 1 PID: 5573 Comm: syz.1.230 Not tainted syzkaller #0
[  270.459840][ T5573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  270.470084][ T5573] Call Trace:
[  270.473373][ T5573]  <TASK>
[  270.476311][ T5573]  dump_stack_lvl+0x188/0x250
[  270.481527][ T5573]  ? show_regs_print_info+0x20/0x20
[  270.486937][ T5573]  ? load_image+0x400/0x400
[  270.491668][ T5573]  sysfs_create_dir_ns+0x26a/0x290
[  270.496801][ T5573]  ? sysfs_warn_dup+0xa0/0xa0
[  270.501672][ T5573]  ? do_raw_spin_unlock+0x11d/0x230
[  270.506979][ T5573]  kobject_add_internal+0x6e0/0xd90
[  270.512202][ T5573]  kobject_init_and_add+0x128/0x190
[  270.517648][ T5573]  ? lockdep_softirqs_off+0x430/0x430
[  270.523216][ T5573]  ? kobject_add+0x230/0x230
[  270.527831][ T5573]  ? __init_swait_queue_head+0xa5/0x150
[  270.533450][ T5573]  gfs2_sys_fs_add+0x24f/0x4b0
[  270.538586][ T5573]  ? gfs2_recover_set+0x240/0x240
[  270.543617][ T5573]  ? snprintf+0xe5/0x140
[  270.547919][ T5573]  ? __free_pages+0x95/0x1a0
[  270.552775][ T5573]  ? vscnprintf+0x80/0x80
[  270.557419][ T5573]  gfs2_fill_super+0x120f/0x1f00
[  270.562465][ T5573]  ? gfs2_reconfigure+0xd30/0xd30
[  270.567509][ T5573]  ? sb_set_blocksize+0xa5/0xe0
[  270.572440][ T5573]  get_tree_bdev+0x3f1/0x610
[  270.577133][ T5573]  ? gfs2_reconfigure+0xd30/0xd30
[  270.582165][ T5573]  gfs2_get_tree+0x4d/0x1e0
[  270.586762][ T5573]  vfs_get_tree+0x88/0x270
[  270.591350][ T5573]  do_new_mount+0x24a/0xa40
[  270.595862][ T5573]  __se_sys_mount+0x2e3/0x3d0
[  270.600916][ T5573]  ? __x64_sys_mount+0xc0/0xc0
[  270.605836][ T5573]  ? lockdep_hardirqs_on+0x94/0x140
[  270.611036][ T5573]  ? __x64_sys_mount+0x1c/0xc0
[  270.615827][ T5573]  do_syscall_64+0x4c/0xa0
[  270.620431][ T5573]  ? clear_bhb_loop+0x30/0x80
[  270.625483][ T5573]  ? clear_bhb_loop+0x30/0x80
[  270.630362][ T5573]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  270.636255][ T5573] RIP: 0033:0x7fddd18bff4a
[  270.640658][ T5573] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  270.661214][ T5573] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  270.669810][ T5573] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  270.677956][ T5573] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  270.686081][ T5573] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  270.694306][ T5573] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  270.702684][ T5573] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  270.711186][ T5573]  </TASK>
[  270.716429][ T5573] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  270.730064][ T5573] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  271.068803][ T5575] loop1: detected capacity change from 0 to 32768
[  271.132229][ T5575] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  271.139638][ T5575] CPU: 1 PID: 5575 Comm: syz.1.231 Not tainted syzkaller #0
[  271.146933][ T5575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  271.157092][ T5575] Call Trace:
[  271.160471][ T5575]  <TASK>
[  271.163404][ T5575]  dump_stack_lvl+0x188/0x250
[  271.168095][ T5575]  ? show_regs_print_info+0x20/0x20
[  271.173309][ T5575]  ? load_image+0x400/0x400
[  271.177837][ T5575]  sysfs_create_dir_ns+0x26a/0x290
[  271.183089][ T5575]  ? sysfs_warn_dup+0xa0/0xa0
[  271.187777][ T5575]  ? do_raw_spin_unlock+0x11d/0x230
[  271.192992][ T5575]  kobject_add_internal+0x6e0/0xd90
[  271.198292][ T5575]  kobject_init_and_add+0x128/0x190
[  271.203516][ T5575]  ? lockdep_softirqs_off+0x430/0x430
[  271.208903][ T5575]  ? kobject_add+0x230/0x230
[  271.213509][ T5575]  ? __init_swait_queue_head+0xa5/0x150
[  271.219174][ T5575]  gfs2_sys_fs_add+0x24f/0x4b0
[  271.223967][ T5575]  ? gfs2_recover_set+0x240/0x240
[  271.229086][ T5575]  ? snprintf+0xe5/0x140
[  271.233410][ T5575]  ? __free_pages+0x95/0x1a0
[  271.237986][ T5575]  ? vscnprintf+0x80/0x80
[  271.242397][ T5575]  gfs2_fill_super+0x120f/0x1f00
[  271.247345][ T5575]  ? gfs2_reconfigure+0xd30/0xd30
[  271.252501][ T5575]  ? sb_set_blocksize+0xa5/0xe0
[  271.257494][ T5575]  get_tree_bdev+0x3f1/0x610
[  271.262174][ T5575]  ? gfs2_reconfigure+0xd30/0xd30
[  271.267648][ T5575]  gfs2_get_tree+0x4d/0x1e0
[  271.272285][ T5575]  vfs_get_tree+0x88/0x270
[  271.276811][ T5575]  do_new_mount+0x24a/0xa40
[  271.281319][ T5575]  __se_sys_mount+0x2e3/0x3d0
[  271.286138][ T5575]  ? __x64_sys_mount+0xc0/0xc0
[  271.291668][ T5575]  ? lockdep_hardirqs_on+0x94/0x140
[  271.297281][ T5575]  ? __x64_sys_mount+0x1c/0xc0
[  271.302508][ T5575]  do_syscall_64+0x4c/0xa0
[  271.307086][ T5575]  ? clear_bhb_loop+0x30/0x80
[  271.311883][ T5575]  ? clear_bhb_loop+0x30/0x80
[  271.316660][ T5575]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  271.322559][ T5575] RIP: 0033:0x7fddd18bff4a
[  271.327200][ T5575] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  271.347003][ T5575] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  271.355687][ T5575] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  271.364009][ T5575] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  271.372292][ T5575] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  271.380388][ T5575] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  271.388366][ T5575] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  271.396439][ T5575]  </TASK>
[  271.402235][ T5575] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  271.416264][ T5575] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  271.865659][ T5577] loop1: detected capacity change from 0 to 32768
[  271.884195][ T5577] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  271.891772][ T5577] CPU: 0 PID: 5577 Comm: syz.1.232 Not tainted syzkaller #0
[  271.899606][ T5577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  271.910048][ T5577] Call Trace:
[  271.913505][ T5577]  <TASK>
[  271.916539][ T5577]  dump_stack_lvl+0x188/0x250
[  271.921525][ T5577]  ? show_regs_print_info+0x20/0x20
[  271.926838][ T5577]  ? load_image+0x400/0x400
[  271.931646][ T5577]  sysfs_create_dir_ns+0x26a/0x290
[  271.937032][ T5577]  ? sysfs_warn_dup+0xa0/0xa0
[  271.941734][ T5577]  ? do_raw_spin_unlock+0x11d/0x230
[  271.947091][ T5577]  kobject_add_internal+0x6e0/0xd90
[  271.952767][ T5577]  kobject_init_and_add+0x128/0x190
[  271.958154][ T5577]  ? lockdep_softirqs_off+0x430/0x430
[  271.963585][ T5577]  ? kobject_add+0x230/0x230
[  271.968279][ T5577]  ? __init_swait_queue_head+0xa5/0x150
[  271.973860][ T5577]  gfs2_sys_fs_add+0x24f/0x4b0
[  271.978735][ T5577]  ? gfs2_recover_set+0x240/0x240
[  271.983779][ T5577]  ? snprintf+0xe5/0x140
[  271.988121][ T5577]  ? __free_pages+0x95/0x1a0
[  271.992725][ T5577]  ? vscnprintf+0x80/0x80
[  271.997252][ T5577]  gfs2_fill_super+0x120f/0x1f00
[  272.002402][ T5577]  ? gfs2_reconfigure+0xd30/0xd30
[  272.007463][ T5577]  ? sb_set_blocksize+0xa5/0xe0
[  272.012332][ T5577]  get_tree_bdev+0x3f1/0x610
[  272.016937][ T5577]  ? gfs2_reconfigure+0xd30/0xd30
[  272.021971][ T5577]  gfs2_get_tree+0x4d/0x1e0
[  272.026579][ T5577]  vfs_get_tree+0x88/0x270
[  272.031180][ T5577]  do_new_mount+0x24a/0xa40
[  272.036225][ T5577]  __se_sys_mount+0x2e3/0x3d0
[  272.040929][ T5577]  ? __x64_sys_mount+0xc0/0xc0
[  272.045712][ T5577]  ? lockdep_hardirqs_on+0x94/0x140
[  272.051184][ T5577]  ? __x64_sys_mount+0x1c/0xc0
[  272.055964][ T5577]  do_syscall_64+0x4c/0xa0
[  272.060550][ T5577]  ? clear_bhb_loop+0x30/0x80
[  272.065509][ T5577]  ? clear_bhb_loop+0x30/0x80
[  272.070290][ T5577]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  272.076273][ T5577] RIP: 0033:0x7fddd18bff4a
[  272.080681][ T5577] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  272.101959][ T5577] RSP: 002b:00007fddd0f21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  272.110369][ T5577] RAX: ffffffffffffffda RBX: 00007fddd0f21ee0 RCX: 00007fddd18bff4a
[  272.118674][ T5577] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fddd0f21ea0
[  272.126669][ T5577] RBP: 00002000000002c0 R08: 00007fddd0f21ee0 R09: 0000000000008c9b
[  272.134729][ T5577] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  272.142974][ T5577] R13: 00007fddd0f21ea0 R14: 0000000000012760 R15: 0000200000000400
[  272.150987][ T5577]  </TASK>
[  272.154645][   T27] INFO: task syz-executor:4915 blocked for more than 143 seconds.
[  272.157997][ T5577] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  272.163104][   T27]       Not tainted syzkaller #0
[  272.178592][ T5577] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  272.181640][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  272.196705][   T27] task:syz-executor    state:D stack:21840 pid: 4915 ppid:     1 flags:0x00004004
[  272.207060][   T27] Call Trace:
[  272.210526][   T27]  <TASK>
[  272.213946][   T27]  __schedule+0x11ef/0x43c0
[  272.218656][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  272.224233][   T27]  ? _raw_spin_unlock_irqrestore+0xc1/0x120
[  272.230350][   T27]  ? _raw_spin_unlock+0x40/0x40
[  272.235671][   T27]  ? release_firmware_map_entry+0x190/0x190
[  272.242042][   T27]  ? __mod_timer+0x91e/0xd00
[  272.246807][   T27]  schedule+0x11b/0x1e0
[  272.251266][   T27]  schedule_timeout+0x184/0x2d0
[  272.256605][   T27]  ? console_conditional_schedule+0x40/0x40
[  272.263376][   T27]  ? update_process_times+0x200/0x200
[  272.268947][   T27]  ? prepare_to_wait_event+0x42c/0x460
[  272.274611][   T27]  gfs2_gl_hash_clear+0x1ab/0x2f0
[  272.280135][   T27]  ? thaw_glock+0x150/0x150
[  272.284785][   T27]  ? gfs2_jindex_free+0x3de/0x450
[  272.290092][   T27]  ? init_wait_entry+0xd0/0xd0
[  272.294907][   T27]  ? gfs2_setbit+0x5a0/0x5a0
[  272.300196][   T27]  gfs2_put_super+0x769/0x7d0
[  272.305311][   T27]  ? gfs2_evict_inode+0x1240/0x1240
[  272.310618][   T27]  generic_shutdown_super+0x130/0x300
[  272.316131][   T27]  kill_block_super+0x7c/0xe0
[  272.320827][   T27]  deactivate_locked_super+0x93/0xf0
[  272.326183][   T27]  cleanup_mnt+0x42d/0x4e0
[  272.330811][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  272.336048][   T27]  task_work_run+0x125/0x1a0
[  272.340763][   T27]  exit_to_user_mode_loop+0x10f/0x130
[  272.346222][   T27]  exit_to_user_mode_prepare+0xee/0x180
[  272.351788][   T27]  syscall_exit_to_user_mode+0x16/0x40
[  272.357406][   T27]  do_syscall_64+0x58/0xa0
[  272.361975][   T27]  ? clear_bhb_loop+0x30/0x80
[  272.366867][   T27]  ? clear_bhb_loop+0x30/0x80
[  272.371735][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  272.377910][   T27] RIP: 0033:0x7f407e324f17
[  272.382374][   T27] RSP: 002b:00007fffe2d3b2f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  272.390945][   T27] RAX: 0000000000000000 RBX: 00007f407e38d71f RCX: 00007f407e324f17
[  272.399015][   T27] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffe2d3b3b0
[  272.407144][   T27] RBP: 00007fffe2d3b3b0 R08: 00007fffe2d3c3b0 R09: 00000000ffffffff
[  272.415360][   T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffe2d3c440
[  272.423376][   T27] R13: 00007f407e38d71f R14: 000000000001c262 R15: 00007fffe2d3c480
[  272.431457][   T27]  </TASK>
[  272.434689][   T27] 
[  272.434689][   T27] Showing all locks held in the system:
[  272.442855][   T27] 1 lock held by khungtaskd/27:
[  272.448042][   T27]  #0: ffffffff8c31f320 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[  272.457510][   T27] 1 lock held by klogd/3550:
[  272.462415][   T27]  #0: ffff8880b913a358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140
[  272.472467][   T27] 2 locks held by getty/3947:
[  272.477172][   T27]  #0: ffff88802c18e098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[  272.487146][   T27]  #1: ffffc900025e62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5df/0x1a70
[  272.497427][   T27] 1 lock held by syz-executor/4915:
[  272.502786][   T27]  #0: ffff88807bbf20e0 (&type->s_umount_key#54){++++}-{3:3}, at: deactivate_super+0xa0/0xd0
[  272.513109][   T27] 2 locks held by syz.1.232/5577:
[  272.518507][   T27]  #0: ffff8880209ea118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0
[  272.528325][   T27]  #1: ffff888147851468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[  272.538002][   T27] 
[  272.540367][   T27] =============================================
[  272.540367][   T27] 
[  272.548983][   T27] NMI backtrace for cpu 0
[  272.553322][   T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  272.561207][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  272.571757][   T27] Call Trace:
[  272.575247][   T27]  <TASK>
[  272.578191][   T27]  dump_stack_lvl+0x188/0x250
[  272.582868][   T27]  ? show_regs_print_info+0x20/0x20
[  272.588476][   T27]  ? load_image+0x400/0x400
[  272.593159][   T27]  ? nmi_cpu_backtrace+0x1b2/0x3d0
[  272.598288][   T27]  nmi_cpu_backtrace+0x3a2/0x3d0
[  272.604042][   T27]  ? nmi_trigger_cpumask_backtrace+0x280/0x280
[  272.610591][   T27]  ? _printk+0xda/0x130
[  272.614930][   T27]  ? load_image+0x400/0x400
[  272.619736][   T27]  ? load_image+0x400/0x400
[  272.624542][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  272.630893][   T27]  nmi_trigger_cpumask_backtrace+0x163/0x280
[  272.637316][   T27]  watchdog+0xe0f/0xe50
[  272.642330][   T27]  kthread+0x436/0x520
[  272.647025][   T27]  ? hungtask_pm_notify+0x40/0x40
[  272.652576][   T27]  ? kthread_blkcg+0xd0/0xd0
[  272.657303][   T27]  ret_from_fork+0x1f/0x30
[  272.661918][   T27]  </TASK>
[  272.665275][   T27] Sending NMI from CPU 0 to CPUs 1:
[  272.670615][    C1] NMI backtrace for cpu 1 skipped: idling at default_idle+0xb/0x10
[  272.671698][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  272.687263][   T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  272.694683][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  272.705047][   T27] Call Trace:
[  272.708404][   T27]  <TASK>
[  272.711494][   T27]  dump_stack_lvl+0x188/0x250
[  272.716163][   T27]  ? show_regs_print_info+0x20/0x20
[  272.721630][   T27]  ? load_image+0x400/0x400
[  272.726236][   T27]  panic+0x2e5/0x810
[  272.730255][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  272.736119][   T27]  ? bpf_jit_dump+0xd0/0xd0
[  272.740718][   T27]  ? nmi_trigger_cpumask_backtrace+0x260/0x280
[  272.746961][   T27]  watchdog+0xe4e/0xe50
[  272.751157][   T27]  kthread+0x436/0x520
[  272.755312][   T27]  ? hungtask_pm_notify+0x40/0x40
[  272.760369][   T27]  ? kthread_blkcg+0xd0/0xd0
[  272.764951][   T27]  ret_from_fork+0x1f/0x30
[  272.769380][   T27]  </TASK>
[  272.772787][   T27] Kernel Offset: disabled
[  272.777317][   T27] Rebooting in 86400 seconds..