fsid=syz:syz: error -17 adding sysfs files
2025/11/22 10:31:10 executed programs: 155
[  221.741419][ T5400] loop1: detected capacity change from 0 to 32768
[  221.808162][ T5400] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  221.816283][ T5400] CPU: 1 PID: 5400 Comm: syz.1.170 Not tainted syzkaller #0
[  221.823677][ T5400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  221.833833][ T5400] Call Trace:
[  221.837217][ T5400]  <TASK>
[  221.840178][ T5400]  dump_stack_lvl+0x168/0x230
[  221.844961][ T5400]  ? show_regs_print_info+0x20/0x20
[  221.850177][ T5400]  ? load_image+0x3b0/0x3b0
[  221.854708][ T5400]  sysfs_create_dir_ns+0x252/0x280
[  221.859836][ T5400]  ? __lock_acquire+0x7c60/0x7c60
[  221.864887][ T5400]  ? sysfs_warn_dup+0xa0/0xa0
[  221.869665][ T5400]  ? do_raw_spin_unlock+0x11d/0x230
[  221.874974][ T5400]  kobject_add_internal+0x662/0xd00
[  221.880284][ T5400]  kobject_init_and_add+0x122/0x190
[  221.885540][ T5400]  ? lockdep_softirqs_off+0x420/0x420
[  221.891167][ T5400]  ? kobject_add+0x210/0x210
[  221.895743][ T5400]  ? __init_swait_queue_head+0xa5/0x150
[  221.901362][ T5400]  gfs2_sys_fs_add+0x234/0x480
[  221.906125][ T5400]  ? gfs2_recover_set+0x240/0x240
[  221.911306][ T5400]  ? snprintf+0xd7/0x120
[  221.915570][ T5400]  ? __free_pages+0x95/0x1a0
[  221.920273][ T5400]  ? vscnprintf+0x80/0x80
[  221.924715][ T5400]  gfs2_fill_super+0x128d/0x1f50
[  221.929649][ T5400]  ? gfs2_reconfigure+0xcd0/0xcd0
[  221.934762][ T5400]  ? preempt_count_add+0x8d/0x190
[  221.939796][ T5400]  ? sb_set_blocksize+0xa5/0xe0
[  221.944674][ T5400]  get_tree_bdev+0x3f1/0x610
[  221.949260][ T5400]  ? gfs2_reconfigure+0xcd0/0xcd0
[  221.954308][ T5400]  gfs2_get_tree+0x4d/0x1e0
[  221.958817][ T5400]  vfs_get_tree+0x88/0x270
[  221.963446][ T5400]  do_new_mount+0x24a/0xa40
[  221.968057][ T5400]  __se_sys_mount+0x2d6/0x3c0
[  221.972737][ T5400]  ? __x64_sys_mount+0xc0/0xc0
[  221.977631][ T5400]  ? lockdep_hardirqs_on+0x94/0x140
[  221.982825][ T5400]  ? __x64_sys_mount+0x1c/0xc0
[  221.987677][ T5400]  do_syscall_64+0x4c/0xa0
[  221.992079][ T5400]  ? clear_bhb_loop+0x30/0x80
[  221.996912][ T5400]  ? clear_bhb_loop+0x30/0x80
[  222.001574][ T5400]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  222.007446][ T5400] RIP: 0033:0x7f651f37a38a
[  222.011877][ T5400] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  222.031482][ T5400] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.040118][ T5400] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  222.048275][ T5400] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  222.056987][ T5400] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  222.065078][ T5400] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  222.073249][ T5400] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  222.081669][ T5400]  </TASK>
[  222.085192][ T5400] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  222.088210][ T4273] Bluetooth: hci0: command 0x0406 tx timeout
[  222.099165][ T5400] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  222.412249][ T5402] loop1: detected capacity change from 0 to 32768
[  222.456072][ T5402] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  222.463616][ T5402] CPU: 0 PID: 5402 Comm: syz.1.171 Not tainted syzkaller #0
[  222.470927][ T5402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  222.481080][ T5402] Call Trace:
[  222.484386][ T5402]  <TASK>
[  222.487346][ T5402]  dump_stack_lvl+0x168/0x230
[  222.492059][ T5402]  ? show_regs_print_info+0x20/0x20
[  222.497274][ T5402]  ? load_image+0x3b0/0x3b0
[  222.501894][ T5402]  sysfs_create_dir_ns+0x252/0x280
[  222.507114][ T5402]  ? __lock_acquire+0x7c60/0x7c60
[  222.512244][ T5402]  ? sysfs_warn_dup+0xa0/0xa0
[  222.516946][ T5402]  ? do_raw_spin_unlock+0x11d/0x230
[  222.522277][ T5402]  kobject_add_internal+0x662/0xd00
[  222.527766][ T5402]  kobject_init_and_add+0x122/0x190
[  222.533073][ T5402]  ? lockdep_softirqs_off+0x420/0x420
[  222.538589][ T5402]  ? kobject_add+0x210/0x210
[  222.543207][ T5402]  ? __init_swait_queue_head+0xa5/0x150
[  222.548766][ T5402]  gfs2_sys_fs_add+0x234/0x480
[  222.553695][ T5402]  ? gfs2_recover_set+0x240/0x240
[  222.558708][ T5402]  ? snprintf+0xd7/0x120
[  222.562938][ T5402]  ? __free_pages+0x95/0x1a0
[  222.567516][ T5402]  ? vscnprintf+0x80/0x80
[  222.571846][ T5402]  gfs2_fill_super+0x128d/0x1f50
[  222.576881][ T5402]  ? gfs2_reconfigure+0xcd0/0xcd0
[  222.582353][ T5402]  ? preempt_count_add+0x8d/0x190
[  222.587599][ T5402]  ? sb_set_blocksize+0xa5/0xe0
[  222.592471][ T5402]  get_tree_bdev+0x3f1/0x610
[  222.597052][ T5402]  ? gfs2_reconfigure+0xcd0/0xcd0
[  222.602252][ T5402]  gfs2_get_tree+0x4d/0x1e0
[  222.606892][ T5402]  vfs_get_tree+0x88/0x270
[  222.611415][ T5402]  do_new_mount+0x24a/0xa40
[  222.616244][ T5402]  __se_sys_mount+0x2d6/0x3c0
[  222.621077][ T5402]  ? __x64_sys_mount+0xc0/0xc0
[  222.625890][ T5402]  ? lockdep_hardirqs_on+0x94/0x140
[  222.631265][ T5402]  ? __x64_sys_mount+0x1c/0xc0
[  222.636278][ T5402]  do_syscall_64+0x4c/0xa0
[  222.640817][ T5402]  ? clear_bhb_loop+0x30/0x80
[  222.645594][ T5402]  ? clear_bhb_loop+0x30/0x80
[  222.650267][ T5402]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  222.656432][ T5402] RIP: 0033:0x7f651f37a38a
[  222.660932][ T5402] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  222.681250][ T5402] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.690022][ T5402] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  222.698177][ T5402] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  222.706138][ T5402] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  222.714221][ T5402] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  222.722352][ T5402] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  222.730708][ T5402]  </TASK>
[  222.735698][ T5402] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  222.749439][ T5402] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  223.076629][ T5404] loop1: detected capacity change from 0 to 32768
[  223.119826][ T5404] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  223.128991][ T5404] CPU: 1 PID: 5404 Comm: syz.1.172 Not tainted syzkaller #0
[  223.136401][ T5404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  223.146478][ T5404] Call Trace:
[  223.149779][ T5404]  <TASK>
[  223.152809][ T5404]  dump_stack_lvl+0x168/0x230
[  223.157501][ T5404]  ? show_regs_print_info+0x20/0x20
[  223.162838][ T5404]  ? load_image+0x3b0/0x3b0
[  223.167388][ T5404]  sysfs_create_dir_ns+0x252/0x280
[  223.172702][ T5404]  ? __lock_acquire+0x7c60/0x7c60
[  223.177930][ T5404]  ? sysfs_warn_dup+0xa0/0xa0
[  223.182825][ T5404]  ? do_raw_spin_unlock+0x11d/0x230
[  223.188042][ T5404]  kobject_add_internal+0x662/0xd00
[  223.193259][ T5404]  kobject_init_and_add+0x122/0x190
[  223.198536][ T5404]  ? lockdep_softirqs_off+0x420/0x420
[  223.204013][ T5404]  ? kobject_add+0x210/0x210
[  223.208689][ T5404]  ? __init_swait_queue_head+0xa5/0x150
[  223.214576][ T5404]  gfs2_sys_fs_add+0x234/0x480
[  223.219335][ T5404]  ? gfs2_recover_set+0x240/0x240
[  223.224617][ T5404]  ? snprintf+0xd7/0x120
[  223.228961][ T5404]  ? __free_pages+0x95/0x1a0
[  223.233628][ T5404]  ? vscnprintf+0x80/0x80
[  223.238046][ T5404]  gfs2_fill_super+0x128d/0x1f50
[  223.243092][ T5404]  ? gfs2_reconfigure+0xcd0/0xcd0
[  223.248205][ T5404]  ? preempt_count_add+0x8d/0x190
[  223.253222][ T5404]  ? sb_set_blocksize+0xa5/0xe0
[  223.258155][ T5404]  get_tree_bdev+0x3f1/0x610
[  223.262747][ T5404]  ? gfs2_reconfigure+0xcd0/0xcd0
[  223.267761][ T5404]  gfs2_get_tree+0x4d/0x1e0
[  223.272262][ T5404]  vfs_get_tree+0x88/0x270
[  223.276682][ T5404]  do_new_mount+0x24a/0xa40
[  223.281431][ T5404]  __se_sys_mount+0x2d6/0x3c0
[  223.286103][ T5404]  ? __x64_sys_mount+0xc0/0xc0
[  223.290944][ T5404]  ? lockdep_hardirqs_on+0x94/0x140
[  223.296711][ T5404]  ? __x64_sys_mount+0x1c/0xc0
[  223.301460][ T5404]  do_syscall_64+0x4c/0xa0
[  223.305880][ T5404]  ? clear_bhb_loop+0x30/0x80
[  223.310641][ T5404]  ? clear_bhb_loop+0x30/0x80
[  223.315325][ T5404]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  223.321298][ T5404] RIP: 0033:0x7f651f37a38a
[  223.325822][ T5404] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  223.345596][ T5404] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.354178][ T5404] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  223.362484][ T5404] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  223.370522][ T5404] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  223.378634][ T5404] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  223.386952][ T5404] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  223.394932][ T5404]  </TASK>
[  223.398922][ T5404] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  223.412467][ T5404] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  223.747079][ T5406] loop1: detected capacity change from 0 to 32768
[  223.790596][ T5406] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  223.798578][ T5406] CPU: 0 PID: 5406 Comm: syz.1.173 Not tainted syzkaller #0
[  223.805888][ T5406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  223.816131][ T5406] Call Trace:
[  223.819612][ T5406]  <TASK>
[  223.822559][ T5406]  dump_stack_lvl+0x168/0x230
[  223.827357][ T5406]  ? show_regs_print_info+0x20/0x20
[  223.832576][ T5406]  ? load_image+0x3b0/0x3b0
[  223.837113][ T5406]  sysfs_create_dir_ns+0x252/0x280
[  223.842252][ T5406]  ? __lock_acquire+0x7c60/0x7c60
[  223.847296][ T5406]  ? sysfs_warn_dup+0xa0/0xa0
[  223.851998][ T5406]  ? do_raw_spin_unlock+0x11d/0x230
[  223.857242][ T5406]  kobject_add_internal+0x662/0xd00
[  223.862681][ T5406]  kobject_init_and_add+0x122/0x190
[  223.867913][ T5406]  ? lockdep_softirqs_off+0x420/0x420
[  223.873323][ T5406]  ? kobject_add+0x210/0x210
[  223.877964][ T5406]  ? __init_swait_queue_head+0xa5/0x150
[  223.883543][ T5406]  gfs2_sys_fs_add+0x234/0x480
[  223.888497][ T5406]  ? gfs2_recover_set+0x240/0x240
[  223.893537][ T5406]  ? snprintf+0xd7/0x120
[  223.897790][ T5406]  ? __free_pages+0x95/0x1a0
[  223.902387][ T5406]  ? vscnprintf+0x80/0x80
[  223.906977][ T5406]  gfs2_fill_super+0x128d/0x1f50
[  223.912022][ T5406]  ? gfs2_reconfigure+0xcd0/0xcd0
[  223.917287][ T5406]  ? preempt_count_add+0x8d/0x190
[  223.922496][ T5406]  ? sb_set_blocksize+0xa5/0xe0
[  223.927357][ T5406]  get_tree_bdev+0x3f1/0x610
[  223.932130][ T5406]  ? gfs2_reconfigure+0xcd0/0xcd0
[  223.937149][ T5406]  gfs2_get_tree+0x4d/0x1e0
[  223.941719][ T5406]  vfs_get_tree+0x88/0x270
[  223.946222][ T5406]  do_new_mount+0x24a/0xa40
[  223.951118][ T5406]  __se_sys_mount+0x2d6/0x3c0
[  223.955796][ T5406]  ? __x64_sys_mount+0xc0/0xc0
[  223.960808][ T5406]  ? lockdep_hardirqs_on+0x94/0x140
[  223.966296][ T5406]  ? __x64_sys_mount+0x1c/0xc0
[  223.971138][ T5406]  do_syscall_64+0x4c/0xa0
[  223.975709][ T5406]  ? clear_bhb_loop+0x30/0x80
[  223.980371][ T5406]  ? clear_bhb_loop+0x30/0x80
[  223.985114][ T5406]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  223.991030][ T5406] RIP: 0033:0x7f651f37a38a
[  223.995518][ T5406] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  224.015487][ T5406] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.024079][ T5406] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  224.032055][ T5406] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  224.040107][ T5406] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  224.048342][ T5406] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  224.056503][ T5406] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  224.064563][ T5406]  </TASK>
[  224.069609][ T5406] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  224.083635][ T5406] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  224.436633][ T5408] loop1: detected capacity change from 0 to 32768
[  224.490564][ T5408] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  224.498172][ T5408] CPU: 0 PID: 5408 Comm: syz.1.174 Not tainted syzkaller #0
[  224.505645][ T5408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  224.515900][ T5408] Call Trace:
[  224.519456][ T5408]  <TASK>
[  224.522674][ T5408]  dump_stack_lvl+0x168/0x230
[  224.527402][ T5408]  ? show_regs_print_info+0x20/0x20
[  224.532707][ T5408]  ? load_image+0x3b0/0x3b0
[  224.537409][ T5408]  sysfs_create_dir_ns+0x252/0x280
[  224.542554][ T5408]  ? __lock_acquire+0x7c60/0x7c60
[  224.547597][ T5408]  ? sysfs_warn_dup+0xa0/0xa0
[  224.552380][ T5408]  ? do_raw_spin_unlock+0x11d/0x230
[  224.557591][ T5408]  kobject_add_internal+0x662/0xd00
[  224.563060][ T5408]  kobject_init_and_add+0x122/0x190
[  224.568250][ T5408]  ? lockdep_softirqs_off+0x420/0x420
[  224.573728][ T5408]  ? kobject_add+0x210/0x210
[  224.578321][ T5408]  ? __init_swait_queue_head+0xa5/0x150
[  224.583851][ T5408]  gfs2_sys_fs_add+0x234/0x480
[  224.588698][ T5408]  ? gfs2_recover_set+0x240/0x240
[  224.593706][ T5408]  ? snprintf+0xd7/0x120
[  224.598174][ T5408]  ? __free_pages+0x95/0x1a0
[  224.602872][ T5408]  ? vscnprintf+0x80/0x80
[  224.607190][ T5408]  gfs2_fill_super+0x128d/0x1f50
[  224.612479][ T5408]  ? gfs2_reconfigure+0xcd0/0xcd0
[  224.617496][ T5408]  ? preempt_count_add+0x8d/0x190
[  224.622512][ T5408]  ? sb_set_blocksize+0xa5/0xe0
[  224.627406][ T5408]  get_tree_bdev+0x3f1/0x610
[  224.631987][ T5408]  ? gfs2_reconfigure+0xcd0/0xcd0
[  224.637150][ T5408]  gfs2_get_tree+0x4d/0x1e0
[  224.642374][ T5408]  vfs_get_tree+0x88/0x270
[  224.646779][ T5408]  do_new_mount+0x24a/0xa40
[  224.651268][ T5408]  __se_sys_mount+0x2d6/0x3c0
[  224.655934][ T5408]  ? __x64_sys_mount+0xc0/0xc0
[  224.660937][ T5408]  ? lockdep_hardirqs_on+0x94/0x140
[  224.666168][ T5408]  ? __x64_sys_mount+0x1c/0xc0
[  224.671002][ T5408]  do_syscall_64+0x4c/0xa0
[  224.675939][ T5408]  ? clear_bhb_loop+0x30/0x80
[  224.680685][ T5408]  ? clear_bhb_loop+0x30/0x80
[  224.685613][ T5408]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  224.691593][ T5408] RIP: 0033:0x7f651f37a38a
[  224.696017][ T5408] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  224.715792][ T5408] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.724388][ T5408] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  224.732433][ T5408] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  224.740744][ T5408] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  224.748701][ T5408] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  224.756662][ T5408] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  224.764709][ T5408]  </TASK>
[  224.769624][ T5408] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  224.782980][ T5408] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.113445][ T5410] loop1: detected capacity change from 0 to 32768
[  225.177697][ T5410] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  225.185494][ T5410] CPU: 0 PID: 5410 Comm: syz.1.175 Not tainted syzkaller #0
[  225.192973][ T5410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  225.203036][ T5410] Call Trace:
[  225.206596][ T5410]  <TASK>
[  225.209659][ T5410]  dump_stack_lvl+0x168/0x230
[  225.214552][ T5410]  ? show_regs_print_info+0x20/0x20
[  225.219962][ T5410]  ? load_image+0x3b0/0x3b0
[  225.224509][ T5410]  sysfs_create_dir_ns+0x252/0x280
[  225.229769][ T5410]  ? __lock_acquire+0x7c60/0x7c60
[  225.234812][ T5410]  ? sysfs_warn_dup+0xa0/0xa0
[  225.239596][ T5410]  ? do_raw_spin_unlock+0x11d/0x230
[  225.244902][ T5410]  kobject_add_internal+0x662/0xd00
[  225.250214][ T5410]  kobject_init_and_add+0x122/0x190
[  225.255453][ T5410]  ? lockdep_softirqs_off+0x420/0x420
[  225.261019][ T5410]  ? kobject_add+0x210/0x210
[  225.265813][ T5410]  ? __init_swait_queue_head+0xa5/0x150
[  225.271374][ T5410]  gfs2_sys_fs_add+0x234/0x480
[  225.276150][ T5410]  ? gfs2_recover_set+0x240/0x240
[  225.281163][ T5410]  ? snprintf+0xd7/0x120
[  225.285653][ T5410]  ? __free_pages+0x95/0x1a0
[  225.290325][ T5410]  ? vscnprintf+0x80/0x80
[  225.294683][ T5410]  gfs2_fill_super+0x128d/0x1f50
[  225.299717][ T5410]  ? gfs2_reconfigure+0xcd0/0xcd0
[  225.305093][ T5410]  ? preempt_count_add+0x8d/0x190
[  225.310453][ T5410]  ? sb_set_blocksize+0xa5/0xe0
[  225.315496][ T5410]  get_tree_bdev+0x3f1/0x610
[  225.320107][ T5410]  ? gfs2_reconfigure+0xcd0/0xcd0
[  225.325247][ T5410]  gfs2_get_tree+0x4d/0x1e0
[  225.329991][ T5410]  vfs_get_tree+0x88/0x270
[  225.334648][ T5410]  do_new_mount+0x24a/0xa40
[  225.339290][ T5410]  __se_sys_mount+0x2d6/0x3c0
[  225.344178][ T5410]  ? __x64_sys_mount+0xc0/0xc0
[  225.349257][ T5410]  ? lockdep_hardirqs_on+0x94/0x140
[  225.354457][ T5410]  ? __x64_sys_mount+0x1c/0xc0
[  225.359299][ T5410]  do_syscall_64+0x4c/0xa0
[  225.364152][ T5410]  ? clear_bhb_loop+0x30/0x80
[  225.369037][ T5410]  ? clear_bhb_loop+0x30/0x80
[  225.373720][ T5410]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  225.379608][ T5410] RIP: 0033:0x7f651f37a38a
[  225.384053][ T5410] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  225.403830][ T5410] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.412232][ T5410] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  225.420315][ T5410] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  225.428716][ T5410] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  225.436886][ T5410] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  225.444878][ T5410] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  225.452872][ T5410]  </TASK>
[  225.458917][ T5410] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  225.472501][ T5410] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.794743][ T5412] loop1: detected capacity change from 0 to 32768
[  225.805648][ T5412] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  225.813132][ T5412] CPU: 0 PID: 5412 Comm: syz.1.176 Not tainted syzkaller #0
[  225.820609][ T5412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  225.830845][ T5412] Call Trace:
[  225.834134][ T5412]  <TASK>
[  225.837068][ T5412]  dump_stack_lvl+0x168/0x230
[  225.841758][ T5412]  ? show_regs_print_info+0x20/0x20
[  225.847115][ T5412]  ? load_image+0x3b0/0x3b0
[  225.851706][ T5412]  sysfs_create_dir_ns+0x252/0x280
[  225.856900][ T5412]  ? __lock_acquire+0x7c60/0x7c60
[  225.861911][ T5412]  ? sysfs_warn_dup+0xa0/0xa0
[  225.866568][ T5412]  ? do_raw_spin_unlock+0x11d/0x230
[  225.871747][ T5412]  kobject_add_internal+0x662/0xd00
[  225.876936][ T5412]  kobject_init_and_add+0x122/0x190
[  225.882264][ T5412]  ? lockdep_softirqs_off+0x420/0x420
[  225.887627][ T5412]  ? kobject_add+0x210/0x210
[  225.892278][ T5412]  ? __init_swait_queue_head+0xa5/0x150
[  225.897928][ T5412]  gfs2_sys_fs_add+0x234/0x480
[  225.902686][ T5412]  ? gfs2_recover_set+0x240/0x240
[  225.907695][ T5412]  ? snprintf+0xd7/0x120
[  225.911920][ T5412]  ? __free_pages+0x95/0x1a0
[  225.916513][ T5412]  ? vscnprintf+0x80/0x80
[  225.920829][ T5412]  gfs2_fill_super+0x128d/0x1f50
[  225.925869][ T5412]  ? gfs2_reconfigure+0xcd0/0xcd0
[  225.930986][ T5412]  ? preempt_count_add+0x8d/0x190
[  225.936003][ T5412]  ? sb_set_blocksize+0xa5/0xe0
[  225.940834][ T5412]  get_tree_bdev+0x3f1/0x610
[  225.945519][ T5412]  ? gfs2_reconfigure+0xcd0/0xcd0
[  225.950526][ T5412]  gfs2_get_tree+0x4d/0x1e0
[  225.955013][ T5412]  vfs_get_tree+0x88/0x270
[  225.959425][ T5412]  do_new_mount+0x24a/0xa40
[  225.964042][ T5412]  __se_sys_mount+0x2d6/0x3c0
[  225.968720][ T5412]  ? __x64_sys_mount+0xc0/0xc0
[  225.973492][ T5412]  ? lockdep_hardirqs_on+0x94/0x140
[  225.978761][ T5412]  ? __x64_sys_mount+0x1c/0xc0
[  225.983512][ T5412]  do_syscall_64+0x4c/0xa0
[  225.987909][ T5412]  ? clear_bhb_loop+0x30/0x80
[  225.992572][ T5412]  ? clear_bhb_loop+0x30/0x80
[  225.997241][ T5412]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  226.003115][ T5412] RIP: 0033:0x7f651f37a38a
[  226.007512][ T5412] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  226.027277][ T5412] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.035876][ T5412] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  226.043872][ T5412] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  226.052211][ T5412] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  226.060281][ T5412] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  226.068414][ T5412] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  226.076479][ T5412]  </TASK>
[  226.081901][ T5412] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.095588][ T5412] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  226.445576][ T5414] loop1: detected capacity change from 0 to 32768
[  226.520068][ T5414] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.529419][ T5414] CPU: 0 PID: 5414 Comm: syz.1.177 Not tainted syzkaller #0
[  226.537021][ T5414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  226.547272][ T5414] Call Trace:
[  226.550565][ T5414]  <TASK>
[  226.553512][ T5414]  dump_stack_lvl+0x168/0x230
[  226.558383][ T5414]  ? show_regs_print_info+0x20/0x20
[  226.563698][ T5414]  ? load_image+0x3b0/0x3b0
[  226.568235][ T5414]  sysfs_create_dir_ns+0x252/0x280
[  226.573491][ T5414]  ? __lock_acquire+0x7c60/0x7c60
[  226.578628][ T5414]  ? sysfs_warn_dup+0xa0/0xa0
[  226.583342][ T5414]  ? do_raw_spin_unlock+0x11d/0x230
[  226.588565][ T5414]  kobject_add_internal+0x662/0xd00
[  226.593796][ T5414]  kobject_init_and_add+0x122/0x190
[  226.599182][ T5414]  ? lockdep_softirqs_off+0x420/0x420
[  226.604578][ T5414]  ? kobject_add+0x210/0x210
[  226.609189][ T5414]  ? __init_swait_queue_head+0xa5/0x150
[  226.614834][ T5414]  gfs2_sys_fs_add+0x234/0x480
[  226.619772][ T5414]  ? gfs2_recover_set+0x240/0x240
[  226.624801][ T5414]  ? snprintf+0xd7/0x120
[  226.629039][ T5414]  ? __free_pages+0x95/0x1a0
[  226.633993][ T5414]  ? vscnprintf+0x80/0x80
[  226.638315][ T5414]  gfs2_fill_super+0x128d/0x1f50
[  226.643257][ T5414]  ? gfs2_reconfigure+0xcd0/0xcd0
[  226.648279][ T5414]  ? preempt_count_add+0x8d/0x190
[  226.653401][ T5414]  ? sb_set_blocksize+0xa5/0xe0
[  226.658354][ T5414]  get_tree_bdev+0x3f1/0x610
[  226.663288][ T5414]  ? gfs2_reconfigure+0xcd0/0xcd0
[  226.668678][ T5414]  gfs2_get_tree+0x4d/0x1e0
[  226.673310][ T5414]  vfs_get_tree+0x88/0x270
[  226.677725][ T5414]  do_new_mount+0x24a/0xa40
[  226.682466][ T5414]  __se_sys_mount+0x2d6/0x3c0
[  226.687208][ T5414]  ? __x64_sys_mount+0xc0/0xc0
[  226.692055][ T5414]  ? lockdep_hardirqs_on+0x94/0x140
[  226.697364][ T5414]  ? __x64_sys_mount+0x1c/0xc0
[  226.702284][ T5414]  do_syscall_64+0x4c/0xa0
[  226.706695][ T5414]  ? clear_bhb_loop+0x30/0x80
[  226.711355][ T5414]  ? clear_bhb_loop+0x30/0x80
[  226.716117][ T5414]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  226.722018][ T5414] RIP: 0033:0x7f651f37a38a
[  226.726534][ T5414] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  226.746305][ T5414] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.754712][ T5414] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  226.762684][ T5414] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  226.770745][ T5414] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  226.778712][ T5414] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  226.786684][ T5414] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  226.794686][ T5414]  </TASK>
[  226.799694][ T5414] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.813209][ T5414] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/22 10:31:15 executed programs: 163
[  227.155956][ T5416] loop1: detected capacity change from 0 to 32768
[  227.217034][ T5416] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  227.224848][ T5416] CPU: 1 PID: 5416 Comm: syz.1.178 Not tainted syzkaller #0
[  227.232156][ T5416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  227.242222][ T5416] Call Trace:
[  227.245828][ T5416]  <TASK>
[  227.248777][ T5416]  dump_stack_lvl+0x168/0x230
[  227.253514][ T5416]  ? show_regs_print_info+0x20/0x20
[  227.258735][ T5416]  ? load_image+0x3b0/0x3b0
[  227.263283][ T5416]  sysfs_create_dir_ns+0x252/0x280
[  227.268425][ T5416]  ? __lock_acquire+0x7c60/0x7c60
[  227.273556][ T5416]  ? sysfs_warn_dup+0xa0/0xa0
[  227.278367][ T5416]  ? do_raw_spin_unlock+0x11d/0x230
[  227.283673][ T5416]  kobject_add_internal+0x662/0xd00
[  227.288913][ T5416]  kobject_init_and_add+0x122/0x190
[  227.294127][ T5416]  ? lockdep_softirqs_off+0x420/0x420
[  227.299703][ T5416]  ? kobject_add+0x210/0x210
[  227.304418][ T5416]  ? __init_swait_queue_head+0xa5/0x150
[  227.310001][ T5416]  gfs2_sys_fs_add+0x234/0x480
[  227.314854][ T5416]  ? gfs2_recover_set+0x240/0x240
[  227.320804][ T5416]  ? snprintf+0xd7/0x120
[  227.325338][ T5416]  ? __free_pages+0x95/0x1a0
[  227.330182][ T5416]  ? vscnprintf+0x80/0x80
[  227.334512][ T5416]  gfs2_fill_super+0x128d/0x1f50
[  227.339541][ T5416]  ? gfs2_reconfigure+0xcd0/0xcd0
[  227.344682][ T5416]  ? preempt_count_add+0x8d/0x190
[  227.349841][ T5416]  ? sb_set_blocksize+0xa5/0xe0
[  227.354872][ T5416]  get_tree_bdev+0x3f1/0x610
[  227.359731][ T5416]  ? gfs2_reconfigure+0xcd0/0xcd0
[  227.364871][ T5416]  gfs2_get_tree+0x4d/0x1e0
[  227.369635][ T5416]  vfs_get_tree+0x88/0x270
[  227.374143][ T5416]  do_new_mount+0x24a/0xa40
[  227.378648][ T5416]  __se_sys_mount+0x2d6/0x3c0
[  227.383423][ T5416]  ? __x64_sys_mount+0xc0/0xc0
[  227.388435][ T5416]  ? lockdep_hardirqs_on+0x94/0x140
[  227.393907][ T5416]  ? __x64_sys_mount+0x1c/0xc0
[  227.398764][ T5416]  do_syscall_64+0x4c/0xa0
[  227.403286][ T5416]  ? clear_bhb_loop+0x30/0x80
[  227.408046][ T5416]  ? clear_bhb_loop+0x30/0x80
[  227.412795][ T5416]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  227.418937][ T5416] RIP: 0033:0x7f651f37a38a
[  227.423430][ T5416] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  227.443109][ T5416] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.451610][ T5416] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  227.459601][ T5416] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  227.467586][ T5416] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  227.475548][ T5416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  227.483505][ T5416] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  227.491651][ T5416]  </TASK>
[  227.495159][ T5416] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.508353][ T5416] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  227.844056][ T5418] loop1: detected capacity change from 0 to 32768
[  227.889048][ T5418] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  227.896465][ T5418] CPU: 0 PID: 5418 Comm: syz.1.179 Not tainted syzkaller #0
[  227.903903][ T5418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  227.913971][ T5418] Call Trace:
[  227.917269][ T5418]  <TASK>
[  227.920207][ T5418]  dump_stack_lvl+0x168/0x230
[  227.925034][ T5418]  ? show_regs_print_info+0x20/0x20
[  227.930251][ T5418]  ? load_image+0x3b0/0x3b0
[  227.934791][ T5418]  sysfs_create_dir_ns+0x252/0x280
[  227.939929][ T5418]  ? __lock_acquire+0x7c60/0x7c60
[  227.944976][ T5418]  ? sysfs_warn_dup+0xa0/0xa0
[  227.949688][ T5418]  ? do_raw_spin_unlock+0x11d/0x230
[  227.954996][ T5418]  kobject_add_internal+0x662/0xd00
[  227.960395][ T5418]  kobject_init_and_add+0x122/0x190
[  227.965613][ T5418]  ? lockdep_softirqs_off+0x420/0x420
[  227.971148][ T5418]  ? kobject_add+0x210/0x210
[  227.975850][ T5418]  ? __init_swait_queue_head+0xa5/0x150
[  227.981577][ T5418]  gfs2_sys_fs_add+0x234/0x480
[  227.986436][ T5418]  ? gfs2_recover_set+0x240/0x240
[  227.991460][ T5418]  ? snprintf+0xd7/0x120
[  227.995774][ T5418]  ? __free_pages+0x95/0x1a0
[  228.000455][ T5418]  ? vscnprintf+0x80/0x80
[  228.004780][ T5418]  gfs2_fill_super+0x128d/0x1f50
[  228.009817][ T5418]  ? gfs2_reconfigure+0xcd0/0xcd0
[  228.014852][ T5418]  ? preempt_count_add+0x8d/0x190
[  228.019943][ T5418]  ? sb_set_blocksize+0xa5/0xe0
[  228.024883][ T5418]  get_tree_bdev+0x3f1/0x610
[  228.029590][ T5418]  ? gfs2_reconfigure+0xcd0/0xcd0
[  228.035058][ T5418]  gfs2_get_tree+0x4d/0x1e0
[  228.040018][ T5418]  vfs_get_tree+0x88/0x270
[  228.044968][ T5418]  do_new_mount+0x24a/0xa40
[  228.050640][ T5418]  __se_sys_mount+0x2d6/0x3c0
[  228.055414][ T5418]  ? __x64_sys_mount+0xc0/0xc0
[  228.060164][ T5418]  ? lockdep_hardirqs_on+0x94/0x140
[  228.065353][ T5418]  ? __x64_sys_mount+0x1c/0xc0
[  228.070096][ T5418]  do_syscall_64+0x4c/0xa0
[  228.074590][ T5418]  ? clear_bhb_loop+0x30/0x80
[  228.079254][ T5418]  ? clear_bhb_loop+0x30/0x80
[  228.083938][ T5418]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  228.089925][ T5418] RIP: 0033:0x7f651f37a38a
[  228.094455][ T5418] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  228.114425][ T5418] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  228.122838][ T5418] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  228.130891][ T5418] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  228.138972][ T5418] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  228.147313][ T5418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  228.155388][ T5418] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  228.163445][ T5418]  </TASK>
[  228.168564][ T5418] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  228.182866][ T5418] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  228.516600][ T5420] loop1: detected capacity change from 0 to 32768
[  228.630590][ T5420] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.640117][ T5420] CPU: 1 PID: 5420 Comm: syz.1.180 Not tainted syzkaller #0
[  228.647439][ T5420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  228.657506][ T5420] Call Trace:
[  228.660802][ T5420]  <TASK>
[  228.663761][ T5420]  dump_stack_lvl+0x168/0x230
[  228.668481][ T5420]  ? show_regs_print_info+0x20/0x20
[  228.673949][ T5420]  ? load_image+0x3b0/0x3b0
[  228.678500][ T5420]  sysfs_create_dir_ns+0x252/0x280
[  228.683756][ T5420]  ? __lock_acquire+0x7c60/0x7c60
[  228.688809][ T5420]  ? sysfs_warn_dup+0xa0/0xa0
[  228.693588][ T5420]  ? do_raw_spin_unlock+0x11d/0x230
[  228.699033][ T5420]  kobject_add_internal+0x662/0xd00
[  228.704379][ T5420]  kobject_init_and_add+0x122/0x190
[  228.709753][ T5420]  ? lockdep_softirqs_off+0x420/0x420
[  228.715171][ T5420]  ? kobject_add+0x210/0x210
[  228.719751][ T5420]  ? __init_swait_queue_head+0xa5/0x150
[  228.725289][ T5420]  gfs2_sys_fs_add+0x234/0x480
[  228.730047][ T5420]  ? gfs2_recover_set+0x240/0x240
[  228.735060][ T5420]  ? snprintf+0xd7/0x120
[  228.739289][ T5420]  ? __free_pages+0x95/0x1a0
[  228.743869][ T5420]  ? vscnprintf+0x80/0x80
[  228.748195][ T5420]  gfs2_fill_super+0x128d/0x1f50
[  228.753124][ T5420]  ? gfs2_reconfigure+0xcd0/0xcd0
[  228.758236][ T5420]  ? preempt_count_add+0x8d/0x190
[  228.763248][ T5420]  ? sb_set_blocksize+0xa5/0xe0
[  228.768093][ T5420]  get_tree_bdev+0x3f1/0x610
[  228.772926][ T5420]  ? gfs2_reconfigure+0xcd0/0xcd0
[  228.778048][ T5420]  gfs2_get_tree+0x4d/0x1e0
[  228.782631][ T5420]  vfs_get_tree+0x88/0x270
[  228.787362][ T5420]  do_new_mount+0x24a/0xa40
[  228.792014][ T5420]  __se_sys_mount+0x2d6/0x3c0
[  228.796996][ T5420]  ? __x64_sys_mount+0xc0/0xc0
[  228.801788][ T5420]  ? lockdep_hardirqs_on+0x94/0x140
[  228.807070][ T5420]  ? __x64_sys_mount+0x1c/0xc0
[  228.811966][ T5420]  do_syscall_64+0x4c/0xa0
[  228.816563][ T5420]  ? clear_bhb_loop+0x30/0x80
[  228.821440][ T5420]  ? clear_bhb_loop+0x30/0x80
[  228.826227][ T5420]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  228.832218][ T5420] RIP: 0033:0x7f651f37a38a
[  228.836899][ T5420] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  228.856598][ T5420] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  228.865018][ T5420] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  228.872990][ T5420] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  228.881300][ T5420] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  228.889442][ T5420] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  228.897665][ T5420] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  228.905855][ T5420]  </TASK>
[  228.915594][ T5420] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  228.929459][ T5420] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  229.243223][ T5422] loop1: detected capacity change from 0 to 32768
[  229.299992][ T5422] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  229.310657][ T5422] CPU: 0 PID: 5422 Comm: syz.1.181 Not tainted syzkaller #0
[  229.318224][ T5422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  229.328386][ T5422] Call Trace:
[  229.331673][ T5422]  <TASK>
[  229.334618][ T5422]  dump_stack_lvl+0x168/0x230
[  229.339431][ T5422]  ? show_regs_print_info+0x20/0x20
[  229.344649][ T5422]  ? load_image+0x3b0/0x3b0
[  229.349195][ T5422]  sysfs_create_dir_ns+0x252/0x280
[  229.354409][ T5422]  ? __lock_acquire+0x7c60/0x7c60
[  229.359467][ T5422]  ? sysfs_warn_dup+0xa0/0xa0
[  229.364161][ T5422]  ? do_raw_spin_unlock+0x11d/0x230
[  229.369379][ T5422]  kobject_add_internal+0x662/0xd00
[  229.374689][ T5422]  kobject_init_and_add+0x122/0x190
[  229.380142][ T5422]  ? lockdep_softirqs_off+0x420/0x420
[  229.385532][ T5422]  ? kobject_add+0x210/0x210
[  229.390382][ T5422]  ? __init_swait_queue_head+0xa5/0x150
[  229.396185][ T5422]  gfs2_sys_fs_add+0x234/0x480
[  229.400943][ T5422]  ? gfs2_recover_set+0x240/0x240
[  229.405965][ T5422]  ? snprintf+0xd7/0x120
[  229.410193][ T5422]  ? __free_pages+0x95/0x1a0
[  229.414769][ T5422]  ? vscnprintf+0x80/0x80
[  229.419228][ T5422]  gfs2_fill_super+0x128d/0x1f50
[  229.424252][ T5422]  ? gfs2_reconfigure+0xcd0/0xcd0
[  229.429279][ T5422]  ? preempt_count_add+0x8d/0x190
[  229.434293][ T5422]  ? sb_set_blocksize+0xa5/0xe0
[  229.439132][ T5422]  get_tree_bdev+0x3f1/0x610
[  229.443800][ T5422]  ? gfs2_reconfigure+0xcd0/0xcd0
[  229.448894][ T5422]  gfs2_get_tree+0x4d/0x1e0
[  229.453375][ T5422]  vfs_get_tree+0x88/0x270
[  229.457862][ T5422]  do_new_mount+0x24a/0xa40
[  229.462362][ T5422]  __se_sys_mount+0x2d6/0x3c0
[  229.467019][ T5422]  ? __x64_sys_mount+0xc0/0xc0
[  229.471920][ T5422]  ? lockdep_hardirqs_on+0x94/0x140
[  229.477100][ T5422]  ? __x64_sys_mount+0x1c/0xc0
[  229.481854][ T5422]  do_syscall_64+0x4c/0xa0
[  229.486353][ T5422]  ? clear_bhb_loop+0x30/0x80
[  229.491163][ T5422]  ? clear_bhb_loop+0x30/0x80
[  229.495911][ T5422]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  229.501791][ T5422] RIP: 0033:0x7f651f37a38a
[  229.506281][ T5422] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  229.526305][ T5422] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.534902][ T5422] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  229.543043][ T5422] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  229.551230][ T5422] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  229.559500][ T5422] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  229.567465][ T5422] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  229.575484][ T5422]  </TASK>
[  229.581126][ T5422] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.594509][ T5422] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  229.924144][ T5424] loop1: detected capacity change from 0 to 32768
[  229.970437][ T5424] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  229.987967][ T5424] CPU: 0 PID: 5424 Comm: syz.1.182 Not tainted syzkaller #0
[  229.995374][ T5424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  230.005537][ T5424] Call Trace:
[  230.008821][ T5424]  <TASK>
[  230.011844][ T5424]  dump_stack_lvl+0x168/0x230
[  230.016640][ T5424]  ? show_regs_print_info+0x20/0x20
[  230.021888][ T5424]  ? load_image+0x3b0/0x3b0
[  230.026422][ T5424]  sysfs_create_dir_ns+0x252/0x280
[  230.031546][ T5424]  ? __lock_acquire+0x7c60/0x7c60
[  230.036595][ T5424]  ? sysfs_warn_dup+0xa0/0xa0
[  230.041491][ T5424]  ? do_raw_spin_unlock+0x11d/0x230
[  230.046795][ T5424]  kobject_add_internal+0x662/0xd00
[  230.052185][ T5424]  kobject_init_and_add+0x122/0x190
[  230.057583][ T5424]  ? lockdep_softirqs_off+0x420/0x420
[  230.063152][ T5424]  ? kobject_add+0x210/0x210
[  230.067841][ T5424]  ? __init_swait_queue_head+0xa5/0x150
[  230.073391][ T5424]  gfs2_sys_fs_add+0x234/0x480
[  230.078365][ T5424]  ? gfs2_recover_set+0x240/0x240
[  230.083570][ T5424]  ? snprintf+0xd7/0x120
[  230.087983][ T5424]  ? __free_pages+0x95/0x1a0
[  230.092699][ T5424]  ? vscnprintf+0x80/0x80
[  230.097320][ T5424]  gfs2_fill_super+0x128d/0x1f50
[  230.102272][ T5424]  ? gfs2_reconfigure+0xcd0/0xcd0
[  230.107603][ T5424]  ? preempt_count_add+0x8d/0x190
[  230.112819][ T5424]  ? sb_set_blocksize+0xa5/0xe0
[  230.117798][ T5424]  get_tree_bdev+0x3f1/0x610
[  230.122982][ T5424]  ? gfs2_reconfigure+0xcd0/0xcd0
[  230.128538][ T5424]  gfs2_get_tree+0x4d/0x1e0
[  230.133439][ T5424]  vfs_get_tree+0x88/0x270
[  230.138638][ T5424]  do_new_mount+0x24a/0xa40
[  230.143243][ T5424]  __se_sys_mount+0x2d6/0x3c0
[  230.148025][ T5424]  ? __x64_sys_mount+0xc0/0xc0
[  230.152899][ T5424]  ? lockdep_hardirqs_on+0x94/0x140
[  230.158201][ T5424]  ? __x64_sys_mount+0x1c/0xc0
[  230.162952][ T5424]  do_syscall_64+0x4c/0xa0
[  230.167353][ T5424]  ? clear_bhb_loop+0x30/0x80
[  230.172097][ T5424]  ? clear_bhb_loop+0x30/0x80
[  230.176929][ T5424]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  230.182916][ T5424] RIP: 0033:0x7f651f37a38a
[  230.187329][ T5424] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  230.207458][ T5424] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.216239][ T5424] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  230.224464][ T5424] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  230.232527][ T5424] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  230.240701][ T5424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  230.248915][ T5424] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  230.257098][ T5424]  </TASK>
[  230.263062][ T5424] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  230.276863][ T5424] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  230.601357][ T5426] loop1: detected capacity change from 0 to 32768
[  230.611854][ T5426] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  230.622410][ T5426] CPU: 0 PID: 5426 Comm: syz.1.183 Not tainted syzkaller #0
[  230.629896][ T5426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  230.640047][ T5426] Call Trace:
[  230.643535][ T5426]  <TASK>
[  230.646568][ T5426]  dump_stack_lvl+0x168/0x230
[  230.651262][ T5426]  ? show_regs_print_info+0x20/0x20
[  230.656655][ T5426]  ? load_image+0x3b0/0x3b0
[  230.661196][ T5426]  sysfs_create_dir_ns+0x252/0x280
[  230.666548][ T5426]  ? __lock_acquire+0x7c60/0x7c60
[  230.672180][ T5426]  ? sysfs_warn_dup+0xa0/0xa0
[  230.677042][ T5426]  ? do_raw_spin_unlock+0x11d/0x230
[  230.682331][ T5426]  kobject_add_internal+0x662/0xd00
[  230.687611][ T5426]  kobject_init_and_add+0x122/0x190
[  230.693067][ T5426]  ? lockdep_softirqs_off+0x420/0x420
[  230.698600][ T5426]  ? kobject_add+0x210/0x210
[  230.703174][ T5426]  ? __init_swait_queue_head+0xa5/0x150
[  230.708873][ T5426]  gfs2_sys_fs_add+0x234/0x480
[  230.713905][ T5426]  ? gfs2_recover_set+0x240/0x240
[  230.719083][ T5426]  ? snprintf+0xd7/0x120
[  230.723327][ T5426]  ? __free_pages+0x95/0x1a0
[  230.727907][ T5426]  ? vscnprintf+0x80/0x80
[  230.732241][ T5426]  gfs2_fill_super+0x128d/0x1f50
[  230.737351][ T5426]  ? gfs2_reconfigure+0xcd0/0xcd0
[  230.742646][ T5426]  ? preempt_count_add+0x8d/0x190
[  230.747868][ T5426]  ? sb_set_blocksize+0xa5/0xe0
[  230.752719][ T5426]  get_tree_bdev+0x3f1/0x610
[  230.757653][ T5426]  ? gfs2_reconfigure+0xcd0/0xcd0
[  230.762803][ T5426]  gfs2_get_tree+0x4d/0x1e0
[  230.767422][ T5426]  vfs_get_tree+0x88/0x270
[  230.771914][ T5426]  do_new_mount+0x24a/0xa40
[  230.776729][ T5426]  __se_sys_mount+0x2d6/0x3c0
[  230.781868][ T5426]  ? __x64_sys_mount+0xc0/0xc0
[  230.786813][ T5426]  ? lockdep_hardirqs_on+0x94/0x140
[  230.792334][ T5426]  ? __x64_sys_mount+0x1c/0xc0
[  230.797792][ T5426]  do_syscall_64+0x4c/0xa0
[  230.802291][ T5426]  ? clear_bhb_loop+0x30/0x80
[  230.807040][ T5426]  ? clear_bhb_loop+0x30/0x80
[  230.811906][ T5426]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  230.817874][ T5426] RIP: 0033:0x7f651f37a38a
[  230.822380][ T5426] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  230.842245][ T5426] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.850791][ T5426] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  230.859053][ T5426] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  230.867021][ T5426] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  230.875269][ T5426] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  230.883238][ T5426] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  230.891215][ T5426]  </TASK>
[  230.895322][ T5426] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  230.909361][ T5426] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  231.220512][ T5428] loop1: detected capacity change from 0 to 32768
[  231.300694][ T5428] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  231.308712][ T5428] CPU: 1 PID: 5428 Comm: syz.1.184 Not tainted syzkaller #0
[  231.316076][ T5428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  231.326255][ T5428] Call Trace:
[  231.329554][ T5428]  <TASK>
[  231.332500][ T5428]  dump_stack_lvl+0x168/0x230
[  231.337428][ T5428]  ? show_regs_print_info+0x20/0x20
[  231.342823][ T5428]  ? load_image+0x3b0/0x3b0
[  231.347470][ T5428]  sysfs_create_dir_ns+0x252/0x280
[  231.352613][ T5428]  ? __lock_acquire+0x7c60/0x7c60
[  231.357651][ T5428]  ? sysfs_warn_dup+0xa0/0xa0
[  231.362353][ T5428]  ? do_raw_spin_unlock+0x11d/0x230
[  231.367796][ T5428]  kobject_add_internal+0x662/0xd00
[  231.373087][ T5428]  kobject_init_and_add+0x122/0x190
[  231.378279][ T5428]  ? lockdep_softirqs_off+0x420/0x420
[  231.383719][ T5428]  ? kobject_add+0x210/0x210
[  231.388383][ T5428]  ? __init_swait_queue_head+0xa5/0x150
[  231.393917][ T5428]  gfs2_sys_fs_add+0x234/0x480
[  231.398673][ T5428]  ? gfs2_recover_set+0x240/0x240
[  231.403724][ T5428]  ? snprintf+0xd7/0x120
[  231.407947][ T5428]  ? __free_pages+0x95/0x1a0
[  231.412523][ T5428]  ? vscnprintf+0x80/0x80
[  231.416944][ T5428]  gfs2_fill_super+0x128d/0x1f50
[  231.422055][ T5428]  ? gfs2_reconfigure+0xcd0/0xcd0
[  231.427344][ T5428]  ? preempt_count_add+0x8d/0x190
[  231.432637][ T5428]  ? sb_set_blocksize+0xa5/0xe0
[  231.437566][ T5428]  get_tree_bdev+0x3f1/0x610
[  231.442151][ T5428]  ? gfs2_reconfigure+0xcd0/0xcd0
[  231.447184][ T5428]  gfs2_get_tree+0x4d/0x1e0
[  231.451715][ T5428]  vfs_get_tree+0x88/0x270
[  231.456123][ T5428]  do_new_mount+0x24a/0xa40
[  231.460705][ T5428]  __se_sys_mount+0x2d6/0x3c0
[  231.465378][ T5428]  ? __x64_sys_mount+0xc0/0xc0
[  231.470221][ T5428]  ? lockdep_hardirqs_on+0x94/0x140
[  231.475574][ T5428]  ? __x64_sys_mount+0x1c/0xc0
[  231.480322][ T5428]  do_syscall_64+0x4c/0xa0
[  231.484722][ T5428]  ? clear_bhb_loop+0x30/0x80
[  231.489493][ T5428]  ? clear_bhb_loop+0x30/0x80
[  231.494239][ T5428]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  231.500115][ T5428] RIP: 0033:0x7f651f37a38a
[  231.504741][ T5428] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  231.525020][ T5428] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.533542][ T5428] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  231.542069][ T5428] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  231.550121][ T5428] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  231.558330][ T5428] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  231.566532][ T5428] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  231.574535][ T5428]  </TASK>
[  231.578174][ T5428] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.591581][ T5428] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  231.922601][ T5430] loop1: detected capacity change from 0 to 32768
[  231.933445][ T5430] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  231.944397][ T5430] CPU: 1 PID: 5430 Comm: syz.1.185 Not tainted syzkaller #0
[  231.951722][ T5430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  231.961798][ T5430] Call Trace:
[  231.965100][ T5430]  <TASK>
[  231.968058][ T5430]  dump_stack_lvl+0x168/0x230
[  231.972775][ T5430]  ? show_regs_print_info+0x20/0x20
[  231.978183][ T5430]  ? load_image+0x3b0/0x3b0
[  231.982807][ T5430]  sysfs_create_dir_ns+0x252/0x280
[  231.988037][ T5430]  ? __lock_acquire+0x7c60/0x7c60
[  231.993190][ T5430]  ? sysfs_warn_dup+0xa0/0xa0
[  231.997934][ T5430]  ? do_raw_spin_unlock+0x11d/0x230
[  232.003221][ T5430]  kobject_add_internal+0x662/0xd00
[  232.008492][ T5430]  kobject_init_and_add+0x122/0x190
[  232.013759][ T5430]  ? lockdep_softirqs_off+0x420/0x420
[  232.019137][ T5430]  ? kobject_add+0x210/0x210
[  232.023997][ T5430]  ? __init_swait_queue_head+0xa5/0x150
[  232.029787][ T5430]  gfs2_sys_fs_add+0x234/0x480
[  232.034638][ T5430]  ? gfs2_recover_set+0x240/0x240
[  232.039897][ T5430]  ? snprintf+0xd7/0x120
[  232.044122][ T5430]  ? __free_pages+0x95/0x1a0
[  232.048703][ T5430]  ? vscnprintf+0x80/0x80
[  232.053347][ T5430]  gfs2_fill_super+0x128d/0x1f50
[  232.058448][ T5430]  ? gfs2_reconfigure+0xcd0/0xcd0
[  232.063714][ T5430]  ? preempt_count_add+0x8d/0x190
[  232.068821][ T5430]  ? sb_set_blocksize+0xa5/0xe0
[  232.073744][ T5430]  get_tree_bdev+0x3f1/0x610
[  232.078320][ T5430]  ? gfs2_reconfigure+0xcd0/0xcd0
[  232.083324][ T5430]  gfs2_get_tree+0x4d/0x1e0
[  232.087824][ T5430]  vfs_get_tree+0x88/0x270
[  232.092219][ T5430]  do_new_mount+0x24a/0xa40
[  232.096704][ T5430]  __se_sys_mount+0x2d6/0x3c0
[  232.101368][ T5430]  ? __x64_sys_mount+0xc0/0xc0
[  232.106117][ T5430]  ? lockdep_hardirqs_on+0x94/0x140
[  232.111393][ T5430]  ? __x64_sys_mount+0x1c/0xc0
[  232.116139][ T5430]  do_syscall_64+0x4c/0xa0
[  232.120545][ T5430]  ? clear_bhb_loop+0x30/0x80
[  232.125198][ T5430]  ? clear_bhb_loop+0x30/0x80
[  232.129867][ T5430]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  232.135747][ T5430] RIP: 0033:0x7f651f37a38a
[  232.140328][ T5430] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  232.160196][ T5430] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  232.168680][ T5430] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  232.176985][ T5430] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  232.185346][ T5430] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  232.193579][ T5430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  232.201565][ T5430] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  232.209612][ T5430]  </TASK>
[  232.218992][ T5430] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  232.232641][ T5430] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/22 10:31:20 executed programs: 171
[  232.558535][ T5432] loop1: detected capacity change from 0 to 32768
[  232.605998][ T5432] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  232.613911][ T5432] CPU: 1 PID: 5432 Comm: syz.1.186 Not tainted syzkaller #0
[  232.621383][ T5432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  232.631622][ T5432] Call Trace:
[  232.634993][ T5432]  <TASK>
[  232.638108][ T5432]  dump_stack_lvl+0x168/0x230
[  232.643080][ T5432]  ? show_regs_print_info+0x20/0x20
[  232.648304][ T5432]  ? load_image+0x3b0/0x3b0
[  232.652849][ T5432]  sysfs_create_dir_ns+0x252/0x280
[  232.657973][ T5432]  ? __lock_acquire+0x7c60/0x7c60
[  232.663009][ T5432]  ? sysfs_warn_dup+0xa0/0xa0
[  232.667878][ T5432]  ? do_raw_spin_unlock+0x11d/0x230
[  232.673317][ T5432]  kobject_add_internal+0x662/0xd00
[  232.678709][ T5432]  kobject_init_and_add+0x122/0x190
[  232.683930][ T5432]  ? lockdep_softirqs_off+0x420/0x420
[  232.689488][ T5432]  ? kobject_add+0x210/0x210
[  232.694072][ T5432]  ? __init_swait_queue_head+0xa5/0x150
[  232.699735][ T5432]  gfs2_sys_fs_add+0x234/0x480
[  232.704485][ T5432]  ? gfs2_recover_set+0x240/0x240
[  232.709491][ T5432]  ? snprintf+0xd7/0x120
[  232.713819][ T5432]  ? __free_pages+0x95/0x1a0
[  232.718405][ T5432]  ? vscnprintf+0x80/0x80
[  232.722736][ T5432]  gfs2_fill_super+0x128d/0x1f50
[  232.727759][ T5432]  ? gfs2_reconfigure+0xcd0/0xcd0
[  232.732884][ T5432]  ? preempt_count_add+0x8d/0x190
[  232.738091][ T5432]  ? sb_set_blocksize+0xa5/0xe0
[  232.742950][ T5432]  get_tree_bdev+0x3f1/0x610
[  232.747582][ T5432]  ? gfs2_reconfigure+0xcd0/0xcd0
[  232.752671][ T5432]  gfs2_get_tree+0x4d/0x1e0
[  232.757343][ T5432]  vfs_get_tree+0x88/0x270
[  232.761778][ T5432]  do_new_mount+0x24a/0xa40
[  232.766366][ T5432]  __se_sys_mount+0x2d6/0x3c0
[  232.771032][ T5432]  ? __x64_sys_mount+0xc0/0xc0
[  232.775878][ T5432]  ? lockdep_hardirqs_on+0x94/0x140
[  232.781321][ T5432]  ? __x64_sys_mount+0x1c/0xc0
[  232.786277][ T5432]  do_syscall_64+0x4c/0xa0
[  232.790878][ T5432]  ? clear_bhb_loop+0x30/0x80
[  232.795806][ T5432]  ? clear_bhb_loop+0x30/0x80
[  232.800469][ T5432]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  232.807017][ T5432] RIP: 0033:0x7f651f37a38a
[  232.811482][ T5432] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  232.831504][ T5432] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  232.840321][ T5432] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  232.848365][ T5432] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  232.856784][ T5432] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  232.864742][ T5432] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  232.872712][ T5432] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  232.880781][ T5432]  </TASK>
[  232.884206][ T5432] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  232.897820][ T5432] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  233.191451][ T5434] loop1: detected capacity change from 0 to 32768
[  233.230544][ T5434] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  233.241184][ T5434] CPU: 0 PID: 5434 Comm: syz.1.187 Not tainted syzkaller #0
[  233.248500][ T5434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  233.258766][ T5434] Call Trace:
[  233.262054][ T5434]  <TASK>
[  233.265091][ T5434]  dump_stack_lvl+0x168/0x230
[  233.269788][ T5434]  ? show_regs_print_info+0x20/0x20
[  233.275185][ T5434]  ? load_image+0x3b0/0x3b0
[  233.279894][ T5434]  sysfs_create_dir_ns+0x252/0x280
[  233.285035][ T5434]  ? __lock_acquire+0x7c60/0x7c60
[  233.290179][ T5434]  ? sysfs_warn_dup+0xa0/0xa0
[  233.295050][ T5434]  ? do_raw_spin_unlock+0x11d/0x230
[  233.300343][ T5434]  kobject_add_internal+0x662/0xd00
[  233.305572][ T5434]  kobject_init_and_add+0x122/0x190
[  233.310821][ T5434]  ? lockdep_softirqs_off+0x420/0x420
[  233.316655][ T5434]  ? kobject_add+0x210/0x210
[  233.321352][ T5434]  ? __init_swait_queue_head+0xa5/0x150
[  233.327113][ T5434]  gfs2_sys_fs_add+0x234/0x480
[  233.331896][ T5434]  ? gfs2_recover_set+0x240/0x240
[  233.336912][ T5434]  ? snprintf+0xd7/0x120
[  233.341277][ T5434]  ? __free_pages+0x95/0x1a0
[  233.346037][ T5434]  ? vscnprintf+0x80/0x80
[  233.350365][ T5434]  gfs2_fill_super+0x128d/0x1f50
[  233.355303][ T5434]  ? gfs2_reconfigure+0xcd0/0xcd0
[  233.360319][ T5434]  ? preempt_count_add+0x8d/0x190
[  233.365330][ T5434]  ? sb_set_blocksize+0xa5/0xe0
[  233.370256][ T5434]  get_tree_bdev+0x3f1/0x610
[  233.375006][ T5434]  ? gfs2_reconfigure+0xcd0/0xcd0
[  233.380019][ T5434]  gfs2_get_tree+0x4d/0x1e0
[  233.384524][ T5434]  vfs_get_tree+0x88/0x270
[  233.389093][ T5434]  do_new_mount+0x24a/0xa40
[  233.393603][ T5434]  __se_sys_mount+0x2d6/0x3c0
[  233.398281][ T5434]  ? __x64_sys_mount+0xc0/0xc0
[  233.403049][ T5434]  ? lockdep_hardirqs_on+0x94/0x140
[  233.408239][ T5434]  ? __x64_sys_mount+0x1c/0xc0
[  233.413116][ T5434]  do_syscall_64+0x4c/0xa0
[  233.417518][ T5434]  ? clear_bhb_loop+0x30/0x80
[  233.422176][ T5434]  ? clear_bhb_loop+0x30/0x80
[  233.426936][ T5434]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  233.432902][ T5434] RIP: 0033:0x7f651f37a38a
[  233.437316][ T5434] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  233.457043][ T5434] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  233.465465][ T5434] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  233.473428][ T5434] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  233.481555][ T5434] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  233.489604][ T5434] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  233.497601][ T5434] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  233.505704][ T5434]  </TASK>
[  233.511038][ T5434] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  233.524325][ T5434] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  233.847089][ T5436] loop1: detected capacity change from 0 to 32768
[  233.951777][ T5436] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  233.959443][ T5436] CPU: 1 PID: 5436 Comm: syz.1.188 Not tainted syzkaller #0
[  233.966832][ T5436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  233.976982][ T5436] Call Trace:
[  233.980276][ T5436]  <TASK>
[  233.983250][ T5436]  dump_stack_lvl+0x168/0x230
[  233.987952][ T5436]  ? show_regs_print_info+0x20/0x20
[  233.993361][ T5436]  ? load_image+0x3b0/0x3b0
[  233.997988][ T5436]  sysfs_create_dir_ns+0x252/0x280
[  234.003114][ T5436]  ? __lock_acquire+0x7c60/0x7c60
[  234.008150][ T5436]  ? sysfs_warn_dup+0xa0/0xa0
[  234.012831][ T5436]  ? do_raw_spin_unlock+0x11d/0x230
[  234.018024][ T5436]  kobject_add_internal+0x662/0xd00
[  234.023333][ T5436]  kobject_init_and_add+0x122/0x190
[  234.028643][ T5436]  ? lockdep_softirqs_off+0x420/0x420
[  234.034554][ T5436]  ? kobject_add+0x210/0x210
[  234.039167][ T5436]  ? __init_swait_queue_head+0xa5/0x150
[  234.045070][ T5436]  gfs2_sys_fs_add+0x234/0x480
[  234.049923][ T5436]  ? gfs2_recover_set+0x240/0x240
[  234.055280][ T5436]  ? snprintf+0xd7/0x120
[  234.059510][ T5436]  ? __free_pages+0x95/0x1a0
[  234.064123][ T5436]  ? vscnprintf+0x80/0x80
[  234.068558][ T5436]  gfs2_fill_super+0x128d/0x1f50
[  234.073520][ T5436]  ? gfs2_reconfigure+0xcd0/0xcd0
[  234.078532][ T5436]  ? preempt_count_add+0x8d/0x190
[  234.083731][ T5436]  ? sb_set_blocksize+0xa5/0xe0
[  234.088649][ T5436]  get_tree_bdev+0x3f1/0x610
[  234.093240][ T5436]  ? gfs2_reconfigure+0xcd0/0xcd0
[  234.098250][ T5436]  gfs2_get_tree+0x4d/0x1e0
[  234.102738][ T5436]  vfs_get_tree+0x88/0x270
[  234.107203][ T5436]  do_new_mount+0x24a/0xa40
[  234.111700][ T5436]  __se_sys_mount+0x2d6/0x3c0
[  234.116377][ T5436]  ? __x64_sys_mount+0xc0/0xc0
[  234.121133][ T5436]  ? lockdep_hardirqs_on+0x94/0x140
[  234.126401][ T5436]  ? __x64_sys_mount+0x1c/0xc0
[  234.131161][ T5436]  do_syscall_64+0x4c/0xa0
[  234.135733][ T5436]  ? clear_bhb_loop+0x30/0x80
[  234.140424][ T5436]  ? clear_bhb_loop+0x30/0x80
[  234.145227][ T5436]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  234.151121][ T5436] RIP: 0033:0x7f651f37a38a
[  234.155701][ T5436] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  234.176175][ T5436] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  234.184804][ T5436] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  234.192952][ T5436] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  234.200924][ T5436] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  234.209069][ T5436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  234.217201][ T5436] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  234.225196][ T5436]  </TASK>
[  234.229053][ T5436] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  234.242478][ T5436] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  234.580777][ T5438] loop1: detected capacity change from 0 to 32768
[  234.629933][ T5438] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  234.637445][ T5438] CPU: 0 PID: 5438 Comm: syz.1.189 Not tainted syzkaller #0
[  234.644730][ T5438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  234.655072][ T5438] Call Trace:
[  234.658400][ T5438]  <TASK>
[  234.661320][ T5438]  dump_stack_lvl+0x168/0x230
[  234.666168][ T5438]  ? show_regs_print_info+0x20/0x20
[  234.671622][ T5438]  ? load_image+0x3b0/0x3b0
[  234.676117][ T5438]  sysfs_create_dir_ns+0x252/0x280
[  234.681286][ T5438]  ? __lock_acquire+0x7c60/0x7c60
[  234.686391][ T5438]  ? sysfs_warn_dup+0xa0/0xa0
[  234.691404][ T5438]  ? do_raw_spin_unlock+0x11d/0x230
[  234.696624][ T5438]  kobject_add_internal+0x662/0xd00
[  234.701905][ T5438]  kobject_init_and_add+0x122/0x190
[  234.707125][ T5438]  ? lockdep_softirqs_off+0x420/0x420
[  234.712574][ T5438]  ? kobject_add+0x210/0x210
[  234.717148][ T5438]  ? __init_swait_queue_head+0xa5/0x150
[  234.722681][ T5438]  gfs2_sys_fs_add+0x234/0x480
[  234.727429][ T5438]  ? gfs2_recover_set+0x240/0x240
[  234.732458][ T5438]  ? snprintf+0xd7/0x120
[  234.736776][ T5438]  ? __free_pages+0x95/0x1a0
[  234.741350][ T5438]  ? vscnprintf+0x80/0x80
[  234.745703][ T5438]  gfs2_fill_super+0x128d/0x1f50
[  234.750629][ T5438]  ? gfs2_reconfigure+0xcd0/0xcd0
[  234.755677][ T5438]  ? preempt_count_add+0x8d/0x190
[  234.760782][ T5438]  ? sb_set_blocksize+0xa5/0xe0
[  234.765627][ T5438]  get_tree_bdev+0x3f1/0x610
[  234.770216][ T5438]  ? gfs2_reconfigure+0xcd0/0xcd0
[  234.775451][ T5438]  gfs2_get_tree+0x4d/0x1e0
[  234.779955][ T5438]  vfs_get_tree+0x88/0x270
[  234.784364][ T5438]  do_new_mount+0x24a/0xa40
[  234.788866][ T5438]  __se_sys_mount+0x2d6/0x3c0
[  234.793645][ T5438]  ? __x64_sys_mount+0xc0/0xc0
[  234.798402][ T5438]  ? lockdep_hardirqs_on+0x94/0x140
[  234.803592][ T5438]  ? __x64_sys_mount+0x1c/0xc0
[  234.808434][ T5438]  do_syscall_64+0x4c/0xa0
[  234.812845][ T5438]  ? clear_bhb_loop+0x30/0x80
[  234.817527][ T5438]  ? clear_bhb_loop+0x30/0x80
[  234.822359][ T5438]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  234.828342][ T5438] RIP: 0033:0x7f651f37a38a
[  234.832795][ T5438] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  234.852491][ T5438] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  234.860973][ T5438] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  234.868941][ T5438] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  234.876908][ T5438] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  234.885138][ T5438] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  234.893301][ T5438] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  234.901405][ T5438]  </TASK>
[  234.906523][ T5438] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  234.920141][ T5438] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  235.161642][ T5440] loop1: detected capacity change from 0 to 32768
[  235.234891][ T5440] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  235.244938][ T5440] CPU: 1 PID: 5440 Comm: syz.1.190 Not tainted syzkaller #0
[  235.252341][ T5440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  235.262666][ T5440] Call Trace:
[  235.265956][ T5440]  <TASK>
[  235.268910][ T5440]  dump_stack_lvl+0x168/0x230
[  235.273791][ T5440]  ? show_regs_print_info+0x20/0x20
[  235.279036][ T5440]  ? load_image+0x3b0/0x3b0
[  235.283580][ T5440]  sysfs_create_dir_ns+0x252/0x280
[  235.288803][ T5440]  ? __lock_acquire+0x7c60/0x7c60
[  235.294085][ T5440]  ? sysfs_warn_dup+0xa0/0xa0
[  235.298867][ T5440]  ? do_raw_spin_unlock+0x11d/0x230
[  235.304092][ T5440]  kobject_add_internal+0x662/0xd00
[  235.309486][ T5440]  kobject_init_and_add+0x122/0x190
[  235.314691][ T5440]  ? lockdep_softirqs_off+0x420/0x420
[  235.320178][ T5440]  ? kobject_add+0x210/0x210
[  235.324846][ T5440]  ? __init_swait_queue_head+0xa5/0x150
[  235.330385][ T5440]  gfs2_sys_fs_add+0x234/0x480
[  235.335412][ T5440]  ? gfs2_recover_set+0x240/0x240
[  235.340617][ T5440]  ? snprintf+0xd7/0x120
[  235.345021][ T5440]  ? __free_pages+0x95/0x1a0
[  235.349708][ T5440]  ? vscnprintf+0x80/0x80
[  235.354136][ T5440]  gfs2_fill_super+0x128d/0x1f50
[  235.359121][ T5440]  ? gfs2_reconfigure+0xcd0/0xcd0
[  235.364309][ T5440]  ? preempt_count_add+0x8d/0x190
[  235.369432][ T5440]  ? sb_set_blocksize+0xa5/0xe0
[  235.374332][ T5440]  get_tree_bdev+0x3f1/0x610
[  235.378924][ T5440]  ? gfs2_reconfigure+0xcd0/0xcd0
[  235.384053][ T5440]  gfs2_get_tree+0x4d/0x1e0
[  235.388635][ T5440]  vfs_get_tree+0x88/0x270
[  235.393323][ T5440]  do_new_mount+0x24a/0xa40
[  235.397845][ T5440]  __se_sys_mount+0x2d6/0x3c0
[  235.402594][ T5440]  ? __x64_sys_mount+0xc0/0xc0
[  235.407522][ T5440]  ? lockdep_hardirqs_on+0x94/0x140
[  235.412750][ T5440]  ? __x64_sys_mount+0x1c/0xc0
[  235.417515][ T5440]  do_syscall_64+0x4c/0xa0
[  235.421955][ T5440]  ? clear_bhb_loop+0x30/0x80
[  235.426740][ T5440]  ? clear_bhb_loop+0x30/0x80
[  235.431420][ T5440]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  235.437572][ T5440] RIP: 0033:0x7f651f37a38a
[  235.441988][ T5440] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  235.461583][ T5440] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.470068][ T5440] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  235.478115][ T5440] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  235.486071][ T5440] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  235.494035][ T5440] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  235.501998][ T5440] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  235.510318][ T5440]  </TASK>
[  235.522132][ T5440] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  235.535934][ T5440] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  235.883190][ T5442] loop1: detected capacity change from 0 to 32768
[  235.949298][ T5442] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  235.956907][ T5442] CPU: 0 PID: 5442 Comm: syz.1.191 Not tainted syzkaller #0
[  235.964904][ T5442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  235.975082][ T5442] Call Trace:
[  235.978379][ T5442]  <TASK>
[  235.981339][ T5442]  dump_stack_lvl+0x168/0x230
[  235.986394][ T5442]  ? show_regs_print_info+0x20/0x20
[  235.991698][ T5442]  ? load_image+0x3b0/0x3b0
[  235.996321][ T5442]  sysfs_create_dir_ns+0x252/0x280
[  236.001710][ T5442]  ? __lock_acquire+0x7c60/0x7c60
[  236.006753][ T5442]  ? sysfs_warn_dup+0xa0/0xa0
[  236.011546][ T5442]  ? do_raw_spin_unlock+0x11d/0x230
[  236.016760][ T5442]  kobject_add_internal+0x662/0xd00
[  236.022178][ T5442]  kobject_init_and_add+0x122/0x190
[  236.027396][ T5442]  ? lockdep_softirqs_off+0x420/0x420
[  236.032947][ T5442]  ? kobject_add+0x210/0x210
[  236.037815][ T5442]  ? __init_swait_queue_head+0xa5/0x150
[  236.043579][ T5442]  gfs2_sys_fs_add+0x234/0x480
[  236.048632][ T5442]  ? gfs2_recover_set+0x240/0x240
[  236.054336][ T5442]  ? snprintf+0xd7/0x120
[  236.058683][ T5442]  ? __free_pages+0x95/0x1a0
[  236.063296][ T5442]  ? vscnprintf+0x80/0x80
[  236.067637][ T5442]  gfs2_fill_super+0x128d/0x1f50
[  236.072602][ T5442]  ? gfs2_reconfigure+0xcd0/0xcd0
[  236.077628][ T5442]  ? preempt_count_add+0x8d/0x190
[  236.082750][ T5442]  ? sb_set_blocksize+0xa5/0xe0
[  236.087997][ T5442]  get_tree_bdev+0x3f1/0x610
[  236.093073][ T5442]  ? gfs2_reconfigure+0xcd0/0xcd0
[  236.098195][ T5442]  gfs2_get_tree+0x4d/0x1e0
[  236.102705][ T5442]  vfs_get_tree+0x88/0x270
[  236.107108][ T5442]  do_new_mount+0x24a/0xa40
[  236.111604][ T5442]  __se_sys_mount+0x2d6/0x3c0
[  236.116502][ T5442]  ? __x64_sys_mount+0xc0/0xc0
[  236.121270][ T5442]  ? lockdep_hardirqs_on+0x94/0x140
[  236.126455][ T5442]  ? __x64_sys_mount+0x1c/0xc0
[  236.131205][ T5442]  do_syscall_64+0x4c/0xa0
[  236.135693][ T5442]  ? clear_bhb_loop+0x30/0x80
[  236.140354][ T5442]  ? clear_bhb_loop+0x30/0x80
[  236.145017][ T5442]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  236.151314][ T5442] RIP: 0033:0x7f651f37a38a
[  236.155814][ T5442] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  236.175767][ T5442] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  236.184615][ T5442] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  236.192974][ T5442] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  236.201037][ T5442] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  236.209226][ T5442] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  236.217440][ T5442] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  236.225521][ T5442]  </TASK>
[  236.230594][ T5442] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  236.245067][ T5442] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  236.556937][ T5444] loop1: detected capacity change from 0 to 32768
[  236.590526][ T5444] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  236.599369][ T5444] CPU: 0 PID: 5444 Comm: syz.1.192 Not tainted syzkaller #0
[  236.606788][ T5444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  236.616859][ T5444] Call Trace:
[  236.620203][ T5444]  <TASK>
[  236.623282][ T5444]  dump_stack_lvl+0x168/0x230
[  236.628074][ T5444]  ? show_regs_print_info+0x20/0x20
[  236.633389][ T5444]  ? load_image+0x3b0/0x3b0
[  236.637923][ T5444]  sysfs_create_dir_ns+0x252/0x280
[  236.643225][ T5444]  ? __lock_acquire+0x7c60/0x7c60
[  236.648352][ T5444]  ? sysfs_warn_dup+0xa0/0xa0
[  236.653137][ T5444]  ? do_raw_spin_unlock+0x11d/0x230
[  236.658539][ T5444]  kobject_add_internal+0x662/0xd00
[  236.663758][ T5444]  kobject_init_and_add+0x122/0x190
[  236.669326][ T5444]  ? lockdep_softirqs_off+0x420/0x420
[  236.674727][ T5444]  ? kobject_add+0x210/0x210
[  236.679769][ T5444]  ? __init_swait_queue_head+0xa5/0x150
[  236.685514][ T5444]  gfs2_sys_fs_add+0x234/0x480
[  236.690497][ T5444]  ? gfs2_recover_set+0x240/0x240
[  236.695541][ T5444]  ? snprintf+0xd7/0x120
[  236.699788][ T5444]  ? __free_pages+0x95/0x1a0
[  236.704393][ T5444]  ? vscnprintf+0x80/0x80
[  236.708891][ T5444]  gfs2_fill_super+0x128d/0x1f50
[  236.713997][ T5444]  ? gfs2_reconfigure+0xcd0/0xcd0
[  236.719238][ T5444]  ? preempt_count_add+0x8d/0x190
[  236.724279][ T5444]  ? sb_set_blocksize+0xa5/0xe0
[  236.729235][ T5444]  get_tree_bdev+0x3f1/0x610
[  236.733808][ T5444]  ? gfs2_reconfigure+0xcd0/0xcd0
[  236.738819][ T5444]  gfs2_get_tree+0x4d/0x1e0
[  236.743419][ T5444]  vfs_get_tree+0x88/0x270
[  236.747848][ T5444]  do_new_mount+0x24a/0xa40
[  236.752518][ T5444]  __se_sys_mount+0x2d6/0x3c0
[  236.757213][ T5444]  ? __x64_sys_mount+0xc0/0xc0
[  236.761965][ T5444]  ? lockdep_hardirqs_on+0x94/0x140
[  236.767392][ T5444]  ? __x64_sys_mount+0x1c/0xc0
[  236.772233][ T5444]  do_syscall_64+0x4c/0xa0
[  236.776633][ T5444]  ? clear_bhb_loop+0x30/0x80
[  236.781557][ T5444]  ? clear_bhb_loop+0x30/0x80
[  236.786415][ T5444]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  236.792437][ T5444] RIP: 0033:0x7f651f37a38a
[  236.796860][ T5444] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  236.816943][ T5444] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  236.825463][ T5444] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  236.833427][ T5444] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  236.841474][ T5444] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  236.849616][ T5444] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  236.858235][ T5444] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  236.866319][ T5444]  </TASK>
[  236.871360][ T5444] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  236.884968][ T5444] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  237.220536][ T5446] loop1: detected capacity change from 0 to 32768
[  237.267661][ T5446] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  237.276471][ T5446] CPU: 0 PID: 5446 Comm: syz.1.193 Not tainted syzkaller #0
[  237.283957][ T5446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  237.294364][ T5446] Call Trace:
[  237.297653][ T5446]  <TASK>
[  237.300604][ T5446]  dump_stack_lvl+0x168/0x230
[  237.305489][ T5446]  ? show_regs_print_info+0x20/0x20
[  237.310710][ T5446]  ? load_image+0x3b0/0x3b0
[  237.315476][ T5446]  sysfs_create_dir_ns+0x252/0x280
[  237.320783][ T5446]  ? __lock_acquire+0x7c60/0x7c60
[  237.326129][ T5446]  ? sysfs_warn_dup+0xa0/0xa0
[  237.331196][ T5446]  ? do_raw_spin_unlock+0x11d/0x230
[  237.336432][ T5446]  kobject_add_internal+0x662/0xd00
[  237.341954][ T5446]  kobject_init_and_add+0x122/0x190
[  237.347436][ T5446]  ? lockdep_softirqs_off+0x420/0x420
[  237.352954][ T5446]  ? kobject_add+0x210/0x210
[  237.357530][ T5446]  ? __init_swait_queue_head+0xa5/0x150
[  237.363159][ T5446]  gfs2_sys_fs_add+0x234/0x480
[  237.368019][ T5446]  ? gfs2_recover_set+0x240/0x240
[  237.373058][ T5446]  ? snprintf+0xd7/0x120
[  237.377290][ T5446]  ? __free_pages+0x95/0x1a0
[  237.382094][ T5446]  ? vscnprintf+0x80/0x80
[  237.386412][ T5446]  gfs2_fill_super+0x128d/0x1f50
[  237.391723][ T5446]  ? gfs2_reconfigure+0xcd0/0xcd0
[  237.396837][ T5446]  ? preempt_count_add+0x8d/0x190
[  237.401865][ T5446]  ? sb_set_blocksize+0xa5/0xe0
[  237.406830][ T5446]  get_tree_bdev+0x3f1/0x610
[  237.411507][ T5446]  ? gfs2_reconfigure+0xcd0/0xcd0
[  237.416634][ T5446]  gfs2_get_tree+0x4d/0x1e0
[  237.421255][ T5446]  vfs_get_tree+0x88/0x270
[  237.425777][ T5446]  do_new_mount+0x24a/0xa40
[  237.430428][ T5446]  __se_sys_mount+0x2d6/0x3c0
[  237.435111][ T5446]  ? __x64_sys_mount+0xc0/0xc0
[  237.439862][ T5446]  ? lockdep_hardirqs_on+0x94/0x140
[  237.445268][ T5446]  ? __x64_sys_mount+0x1c/0xc0
[  237.450015][ T5446]  do_syscall_64+0x4c/0xa0
[  237.454528][ T5446]  ? clear_bhb_loop+0x30/0x80
[  237.459302][ T5446]  ? clear_bhb_loop+0x30/0x80
[  237.463959][ T5446]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  237.469835][ T5446] RIP: 0033:0x7f651f37a38a
[  237.474260][ T5446] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  237.493859][ T5446] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  237.502985][ T5446] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  237.510962][ T5446] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  237.518921][ T5446] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  237.526882][ T5446] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  237.535014][ T5446] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  237.543519][ T5446]  </TASK>
[  237.549024][ T5446] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  237.563038][ T5446] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/22 10:31:26 executed programs: 179
[  237.910043][ T5448] loop1: detected capacity change from 0 to 32768
[  237.956183][ T5448] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  237.964361][ T5448] CPU: 1 PID: 5448 Comm: syz.1.194 Not tainted syzkaller #0
[  237.971843][ T5448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  237.982170][ T5448] Call Trace:
[  237.985468][ T5448]  <TASK>
[  237.988441][ T5448]  dump_stack_lvl+0x168/0x230
[  237.993288][ T5448]  ? show_regs_print_info+0x20/0x20
[  237.998775][ T5448]  ? load_image+0x3b0/0x3b0
[  238.003676][ T5448]  sysfs_create_dir_ns+0x252/0x280
[  238.008907][ T5448]  ? __lock_acquire+0x7c60/0x7c60
[  238.014049][ T5448]  ? sysfs_warn_dup+0xa0/0xa0
[  238.018852][ T5448]  ? do_raw_spin_unlock+0x11d/0x230
[  238.024259][ T5448]  kobject_add_internal+0x662/0xd00
[  238.030005][ T5448]  kobject_init_and_add+0x122/0x190
[  238.035336][ T5448]  ? lockdep_softirqs_off+0x420/0x420
[  238.041114][ T5448]  ? kobject_add+0x210/0x210
[  238.045849][ T5448]  ? __init_swait_queue_head+0xa5/0x150
[  238.051498][ T5448]  gfs2_sys_fs_add+0x234/0x480
[  238.056554][ T5448]  ? gfs2_recover_set+0x240/0x240
[  238.061589][ T5448]  ? snprintf+0xd7/0x120
[  238.065846][ T5448]  ? __free_pages+0x95/0x1a0
[  238.070676][ T5448]  ? vscnprintf+0x80/0x80
[  238.075020][ T5448]  gfs2_fill_super+0x128d/0x1f50
[  238.079957][ T5448]  ? gfs2_reconfigure+0xcd0/0xcd0
[  238.085099][ T5448]  ? preempt_count_add+0x8d/0x190
[  238.090265][ T5448]  ? sb_set_blocksize+0xa5/0xe0
[  238.095126][ T5448]  get_tree_bdev+0x3f1/0x610
[  238.099712][ T5448]  ? gfs2_reconfigure+0xcd0/0xcd0
[  238.104729][ T5448]  gfs2_get_tree+0x4d/0x1e0
[  238.109242][ T5448]  vfs_get_tree+0x88/0x270
[  238.113674][ T5448]  do_new_mount+0x24a/0xa40
[  238.118175][ T5448]  __se_sys_mount+0x2d6/0x3c0
[  238.122935][ T5448]  ? __x64_sys_mount+0xc0/0xc0
[  238.127687][ T5448]  ? lockdep_hardirqs_on+0x94/0x140
[  238.132868][ T5448]  ? __x64_sys_mount+0x1c/0xc0
[  238.137618][ T5448]  do_syscall_64+0x4c/0xa0
[  238.142019][ T5448]  ? clear_bhb_loop+0x30/0x80
[  238.146726][ T5448]  ? clear_bhb_loop+0x30/0x80
[  238.151532][ T5448]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  238.157441][ T5448] RIP: 0033:0x7f651f37a38a
[  238.162067][ T5448] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  238.182113][ T5448] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.190620][ T5448] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  238.199496][ T5448] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  238.207472][ T5448] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  238.215712][ T5448] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  238.223690][ T5448] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  238.231766][ T5448]  </TASK>
[  238.235272][ T5448] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  238.248768][ T5448] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  238.555993][ T5450] loop1: detected capacity change from 0 to 32768
[  238.609212][ T5450] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  238.616882][ T5450] CPU: 0 PID: 5450 Comm: syz.1.195 Not tainted syzkaller #0
[  238.624279][ T5450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  238.634535][ T5450] Call Trace:
[  238.637909][ T5450]  <TASK>
[  238.640930][ T5450]  dump_stack_lvl+0x168/0x230
[  238.645630][ T5450]  ? show_regs_print_info+0x20/0x20
[  238.650861][ T5450]  ? load_image+0x3b0/0x3b0
[  238.655404][ T5450]  sysfs_create_dir_ns+0x252/0x280
[  238.660618][ T5450]  ? __lock_acquire+0x7c60/0x7c60
[  238.666022][ T5450]  ? sysfs_warn_dup+0xa0/0xa0
[  238.670731][ T5450]  ? do_raw_spin_unlock+0x11d/0x230
[  238.676274][ T5450]  kobject_add_internal+0x662/0xd00
[  238.681955][ T5450]  kobject_init_and_add+0x122/0x190
[  238.687171][ T5450]  ? lockdep_softirqs_off+0x420/0x420
[  238.692661][ T5450]  ? kobject_add+0x210/0x210
[  238.697625][ T5450]  ? __init_swait_queue_head+0xa5/0x150
[  238.703346][ T5450]  gfs2_sys_fs_add+0x234/0x480
[  238.708117][ T5450]  ? gfs2_recover_set+0x240/0x240
[  238.713275][ T5450]  ? snprintf+0xd7/0x120
[  238.717648][ T5450]  ? __free_pages+0x95/0x1a0
[  238.722310][ T5450]  ? vscnprintf+0x80/0x80
[  238.726635][ T5450]  gfs2_fill_super+0x128d/0x1f50
[  238.731856][ T5450]  ? gfs2_reconfigure+0xcd0/0xcd0
[  238.737135][ T5450]  ? preempt_count_add+0x8d/0x190
[  238.742244][ T5450]  ? sb_set_blocksize+0xa5/0xe0
[  238.747208][ T5450]  get_tree_bdev+0x3f1/0x610
[  238.751907][ T5450]  ? gfs2_reconfigure+0xcd0/0xcd0
[  238.757064][ T5450]  gfs2_get_tree+0x4d/0x1e0
[  238.761565][ T5450]  vfs_get_tree+0x88/0x270
[  238.765987][ T5450]  do_new_mount+0x24a/0xa40
[  238.770493][ T5450]  __se_sys_mount+0x2d6/0x3c0
[  238.775164][ T5450]  ? __x64_sys_mount+0xc0/0xc0
[  238.780293][ T5450]  ? lockdep_hardirqs_on+0x94/0x140
[  238.785517][ T5450]  ? __x64_sys_mount+0x1c/0xc0
[  238.790274][ T5450]  do_syscall_64+0x4c/0xa0
[  238.794778][ T5450]  ? clear_bhb_loop+0x30/0x80
[  238.799539][ T5450]  ? clear_bhb_loop+0x30/0x80
[  238.804299][ T5450]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  238.810176][ T5450] RIP: 0033:0x7f651f37a38a
[  238.814626][ T5450] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  238.835032][ T5450] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.843442][ T5450] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  238.851687][ T5450] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  238.859838][ T5450] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  238.867803][ T5450] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  238.875764][ T5450] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  238.883815][ T5450]  </TASK>
[  238.889390][ T5450] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  238.902667][ T5450] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  239.256150][ T5452] loop1: detected capacity change from 0 to 32768
[  239.330930][ T5452] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  239.339192][ T5452] CPU: 0 PID: 5452 Comm: syz.1.196 Not tainted syzkaller #0
[  239.346585][ T5452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  239.357110][ T5452] Call Trace:
[  239.360410][ T5452]  <TASK>
[  239.363346][ T5452]  dump_stack_lvl+0x168/0x230
[  239.368038][ T5452]  ? show_regs_print_info+0x20/0x20
[  239.373252][ T5452]  ? load_image+0x3b0/0x3b0
[  239.377780][ T5452]  sysfs_create_dir_ns+0x252/0x280
[  239.383086][ T5452]  ? __lock_acquire+0x7c60/0x7c60
[  239.388229][ T5452]  ? sysfs_warn_dup+0xa0/0xa0
[  239.393276][ T5452]  ? do_raw_spin_unlock+0x11d/0x230
[  239.398500][ T5452]  kobject_add_internal+0x662/0xd00
[  239.403725][ T5452]  kobject_init_and_add+0x122/0x190
[  239.408962][ T5452]  ? lockdep_softirqs_off+0x420/0x420
[  239.414343][ T5452]  ? kobject_add+0x210/0x210
[  239.419279][ T5452]  ? __init_swait_queue_head+0xa5/0x150
[  239.425273][ T5452]  gfs2_sys_fs_add+0x234/0x480
[  239.430295][ T5452]  ? gfs2_recover_set+0x240/0x240
[  239.435564][ T5452]  ? snprintf+0xd7/0x120
[  239.439892][ T5452]  ? __free_pages+0x95/0x1a0
[  239.444481][ T5452]  ? vscnprintf+0x80/0x80
[  239.448807][ T5452]  gfs2_fill_super+0x128d/0x1f50
[  239.453784][ T5452]  ? gfs2_reconfigure+0xcd0/0xcd0
[  239.459057][ T5452]  ? preempt_count_add+0x8d/0x190
[  239.464180][ T5452]  ? sb_set_blocksize+0xa5/0xe0
[  239.469026][ T5452]  get_tree_bdev+0x3f1/0x610
[  239.473602][ T5452]  ? gfs2_reconfigure+0xcd0/0xcd0
[  239.478622][ T5452]  gfs2_get_tree+0x4d/0x1e0
[  239.483134][ T5452]  vfs_get_tree+0x88/0x270
[  239.487636][ T5452]  do_new_mount+0x24a/0xa40
[  239.492252][ T5452]  __se_sys_mount+0x2d6/0x3c0
[  239.497107][ T5452]  ? __x64_sys_mount+0xc0/0xc0
[  239.502054][ T5452]  ? lockdep_hardirqs_on+0x94/0x140
[  239.507482][ T5452]  ? __x64_sys_mount+0x1c/0xc0
[  239.512345][ T5452]  do_syscall_64+0x4c/0xa0
[  239.516925][ T5452]  ? clear_bhb_loop+0x30/0x80
[  239.522028][ T5452]  ? clear_bhb_loop+0x30/0x80
[  239.526716][ T5452]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  239.532901][ T5452] RIP: 0033:0x7f651f37a38a
[  239.537409][ T5452] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  239.558319][ T5452] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.566963][ T5452] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  239.575020][ T5452] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  239.582986][ T5452] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  239.591067][ T5452] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  239.599205][ T5452] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  239.607291][ T5452]  </TASK>
[  239.612728][ T5452] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  239.626389][ T5452] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  239.945118][ T5454] loop1: detected capacity change from 0 to 32768
[  240.000585][ T5454] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.010501][ T5454] CPU: 1 PID: 5454 Comm: syz.1.197 Not tainted syzkaller #0
[  240.018097][ T5454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  240.028369][ T5454] Call Trace:
[  240.031837][ T5454]  <TASK>
[  240.034878][ T5454]  dump_stack_lvl+0x168/0x230
[  240.039689][ T5454]  ? show_regs_print_info+0x20/0x20
[  240.044908][ T5454]  ? load_image+0x3b0/0x3b0
[  240.049438][ T5454]  sysfs_create_dir_ns+0x252/0x280
[  240.054918][ T5454]  ? __lock_acquire+0x7c60/0x7c60
[  240.059992][ T5454]  ? sysfs_warn_dup+0xa0/0xa0
[  240.064706][ T5454]  ? do_raw_spin_unlock+0x11d/0x230
[  240.070372][ T5454]  kobject_add_internal+0x662/0xd00
[  240.075629][ T5454]  kobject_init_and_add+0x122/0x190
[  240.080853][ T5454]  ? lockdep_softirqs_off+0x420/0x420
[  240.086256][ T5454]  ? kobject_add+0x210/0x210
[  240.091003][ T5454]  ? __init_swait_queue_head+0xa5/0x150
[  240.096687][ T5454]  gfs2_sys_fs_add+0x234/0x480
[  240.101554][ T5454]  ? gfs2_recover_set+0x240/0x240
[  240.106866][ T5454]  ? snprintf+0xd7/0x120
[  240.111144][ T5454]  ? __free_pages+0x95/0x1a0
[  240.115741][ T5454]  ? vscnprintf+0x80/0x80
[  240.120065][ T5454]  gfs2_fill_super+0x128d/0x1f50
[  240.125239][ T5454]  ? gfs2_reconfigure+0xcd0/0xcd0
[  240.130378][ T5454]  ? preempt_count_add+0x8d/0x190
[  240.135410][ T5454]  ? sb_set_blocksize+0xa5/0xe0
[  240.140269][ T5454]  get_tree_bdev+0x3f1/0x610
[  240.144855][ T5454]  ? gfs2_reconfigure+0xcd0/0xcd0
[  240.150030][ T5454]  gfs2_get_tree+0x4d/0x1e0
[  240.155009][ T5454]  vfs_get_tree+0x88/0x270
[  240.159522][ T5454]  do_new_mount+0x24a/0xa40
[  240.164033][ T5454]  __se_sys_mount+0x2d6/0x3c0
[  240.168979][ T5454]  ? __x64_sys_mount+0xc0/0xc0
[  240.173810][ T5454]  ? lockdep_hardirqs_on+0x94/0x140
[  240.179300][ T5454]  ? __x64_sys_mount+0x1c/0xc0
[  240.184070][ T5454]  do_syscall_64+0x4c/0xa0
[  240.188500][ T5454]  ? clear_bhb_loop+0x30/0x80
[  240.193360][ T5454]  ? clear_bhb_loop+0x30/0x80
[  240.198033][ T5454]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  240.204114][ T5454] RIP: 0033:0x7f651f37a38a
[  240.208525][ T5454] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  240.228833][ T5454] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.237416][ T5454] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  240.245527][ T5454] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  240.253676][ T5454] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  240.261633][ T5454] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  240.269604][ T5454] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  240.277883][ T5454]  </TASK>
[  240.281324][ T5454] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  240.295132][ T5454] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  240.615601][ T5456] loop1: detected capacity change from 0 to 32768
[  240.687996][ T5456] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.695497][ T5456] CPU: 0 PID: 5456 Comm: syz.1.198 Not tainted syzkaller #0
[  240.702900][ T5456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  240.713019][ T5456] Call Trace:
[  240.716305][ T5456]  <TASK>
[  240.719242][ T5456]  dump_stack_lvl+0x168/0x230
[  240.724022][ T5456]  ? show_regs_print_info+0x20/0x20
[  240.729324][ T5456]  ? load_image+0x3b0/0x3b0
[  240.734034][ T5456]  sysfs_create_dir_ns+0x252/0x280
[  240.739328][ T5456]  ? __lock_acquire+0x7c60/0x7c60
[  240.744465][ T5456]  ? sysfs_warn_dup+0xa0/0xa0
[  240.749168][ T5456]  ? do_raw_spin_unlock+0x11d/0x230
[  240.754468][ T5456]  kobject_add_internal+0x662/0xd00
[  240.759801][ T5456]  kobject_init_and_add+0x122/0x190
[  240.765069][ T5456]  ? lockdep_softirqs_off+0x420/0x420
[  240.770655][ T5456]  ? kobject_add+0x210/0x210
[  240.775527][ T5456]  ? __init_swait_queue_head+0xa5/0x150
[  240.781100][ T5456]  gfs2_sys_fs_add+0x234/0x480
[  240.786115][ T5456]  ? gfs2_recover_set+0x240/0x240
[  240.791117][ T5456]  ? snprintf+0xd7/0x120
[  240.795511][ T5456]  ? __free_pages+0x95/0x1a0
[  240.800347][ T5456]  ? vscnprintf+0x80/0x80
[  240.804883][ T5456]  gfs2_fill_super+0x128d/0x1f50
[  240.809988][ T5456]  ? gfs2_reconfigure+0xcd0/0xcd0
[  240.815021][ T5456]  ? preempt_count_add+0x8d/0x190
[  240.820052][ T5456]  ? sb_set_blocksize+0xa5/0xe0
[  240.824915][ T5456]  get_tree_bdev+0x3f1/0x610
[  240.829625][ T5456]  ? gfs2_reconfigure+0xcd0/0xcd0
[  240.834729][ T5456]  gfs2_get_tree+0x4d/0x1e0
[  240.839232][ T5456]  vfs_get_tree+0x88/0x270
[  240.843777][ T5456]  do_new_mount+0x24a/0xa40
[  240.848276][ T5456]  __se_sys_mount+0x2d6/0x3c0
[  240.852962][ T5456]  ? __x64_sys_mount+0xc0/0xc0
[  240.857896][ T5456]  ? lockdep_hardirqs_on+0x94/0x140
[  240.863266][ T5456]  ? __x64_sys_mount+0x1c/0xc0
[  240.868017][ T5456]  do_syscall_64+0x4c/0xa0
[  240.872423][ T5456]  ? clear_bhb_loop+0x30/0x80
[  240.877339][ T5456]  ? clear_bhb_loop+0x30/0x80
[  240.882289][ T5456]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  240.888442][ T5456] RIP: 0033:0x7f651f37a38a
[  240.892937][ T5456] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  240.913172][ T5456] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.921585][ T5456] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  240.929949][ T5456] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  240.938118][ T5456] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  240.946193][ T5456] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  240.954379][ T5456] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  240.962438][ T5456]  </TASK>
[  240.967566][ T5456] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  240.982260][ T5456] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  241.314461][ T5458] loop1: detected capacity change from 0 to 32768
[  241.365712][ T5458] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  241.375620][ T5458] CPU: 0 PID: 5458 Comm: syz.1.199 Not tainted syzkaller #0
[  241.383130][ T5458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  241.393373][ T5458] Call Trace:
[  241.396937][ T5458]  <TASK>
[  241.399878][ T5458]  dump_stack_lvl+0x168/0x230
[  241.404576][ T5458]  ? show_regs_print_info+0x20/0x20
[  241.409785][ T5458]  ? load_image+0x3b0/0x3b0
[  241.414327][ T5458]  sysfs_create_dir_ns+0x252/0x280
[  241.419455][ T5458]  ? __lock_acquire+0x7c60/0x7c60
[  241.424602][ T5458]  ? sysfs_warn_dup+0xa0/0xa0
[  241.429297][ T5458]  ? do_raw_spin_unlock+0x11d/0x230
[  241.434526][ T5458]  kobject_add_internal+0x662/0xd00
[  241.440101][ T5458]  kobject_init_and_add+0x122/0x190
[  241.445320][ T5458]  ? lockdep_softirqs_off+0x420/0x420
[  241.450729][ T5458]  ? kobject_add+0x210/0x210
[  241.455316][ T5458]  ? __init_swait_queue_head+0xa5/0x150
[  241.460844][ T5458]  gfs2_sys_fs_add+0x234/0x480
[  241.465777][ T5458]  ? gfs2_recover_set+0x240/0x240
[  241.471148][ T5458]  ? snprintf+0xd7/0x120
[  241.475556][ T5458]  ? __free_pages+0x95/0x1a0
[  241.480220][ T5458]  ? vscnprintf+0x80/0x80
[  241.484540][ T5458]  gfs2_fill_super+0x128d/0x1f50
[  241.489564][ T5458]  ? gfs2_reconfigure+0xcd0/0xcd0
[  241.494578][ T5458]  ? preempt_count_add+0x8d/0x190
[  241.499592][ T5458]  ? sb_set_blocksize+0xa5/0xe0
[  241.504605][ T5458]  get_tree_bdev+0x3f1/0x610
[  241.509177][ T5458]  ? gfs2_reconfigure+0xcd0/0xcd0
[  241.514193][ T5458]  gfs2_get_tree+0x4d/0x1e0
[  241.518857][ T5458]  vfs_get_tree+0x88/0x270
[  241.523265][ T5458]  do_new_mount+0x24a/0xa40
[  241.527960][ T5458]  __se_sys_mount+0x2d6/0x3c0
[  241.532816][ T5458]  ? __x64_sys_mount+0xc0/0xc0
[  241.537647][ T5458]  ? lockdep_hardirqs_on+0x94/0x140
[  241.542939][ T5458]  ? __x64_sys_mount+0x1c/0xc0
[  241.547708][ T5458]  do_syscall_64+0x4c/0xa0
[  241.552153][ T5458]  ? clear_bhb_loop+0x30/0x80
[  241.556978][ T5458]  ? clear_bhb_loop+0x30/0x80
[  241.561658][ T5458]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  241.567575][ T5458] RIP: 0033:0x7f651f37a38a
[  241.572011][ T5458] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  241.591993][ T5458] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.600594][ T5458] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  241.608555][ T5458] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  241.616546][ T5458] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  241.624731][ T5458] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  241.632809][ T5458] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  241.640970][ T5458]  </TASK>
[  241.645945][ T5458] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  241.659547][ T5458] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  242.007158][ T5460] loop1: detected capacity change from 0 to 32768
[  242.044428][ T5460] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  242.052360][ T5460] CPU: 1 PID: 5460 Comm: syz.1.200 Not tainted syzkaller #0
[  242.059932][ T5460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  242.070260][ T5460] Call Trace:
[  242.073730][ T5460]  <TASK>
[  242.076672][ T5460]  dump_stack_lvl+0x168/0x230
[  242.081488][ T5460]  ? show_regs_print_info+0x20/0x20
[  242.086979][ T5460]  ? load_image+0x3b0/0x3b0
[  242.092026][ T5460]  sysfs_create_dir_ns+0x252/0x280
[  242.097177][ T5460]  ? __lock_acquire+0x7c60/0x7c60
[  242.102319][ T5460]  ? sysfs_warn_dup+0xa0/0xa0
[  242.107016][ T5460]  ? do_raw_spin_unlock+0x11d/0x230
[  242.112390][ T5460]  kobject_add_internal+0x662/0xd00
[  242.117712][ T5460]  kobject_init_and_add+0x122/0x190
[  242.122929][ T5460]  ? lockdep_softirqs_off+0x420/0x420
[  242.128335][ T5460]  ? kobject_add+0x210/0x210
[  242.132942][ T5460]  ? __init_swait_queue_head+0xa5/0x150
[  242.138511][ T5460]  gfs2_sys_fs_add+0x234/0x480
[  242.143485][ T5460]  ? gfs2_recover_set+0x240/0x240
[  242.148588][ T5460]  ? snprintf+0xd7/0x120
[  242.153002][ T5460]  ? __free_pages+0x95/0x1a0
[  242.157572][ T5460]  ? vscnprintf+0x80/0x80
[  242.162070][ T5460]  gfs2_fill_super+0x128d/0x1f50
[  242.167158][ T5460]  ? gfs2_reconfigure+0xcd0/0xcd0
[  242.172383][ T5460]  ? preempt_count_add+0x8d/0x190
[  242.177407][ T5460]  ? sb_set_blocksize+0xa5/0xe0
[  242.182665][ T5460]  get_tree_bdev+0x3f1/0x610
[  242.187254][ T5460]  ? gfs2_reconfigure+0xcd0/0xcd0
[  242.192389][ T5460]  gfs2_get_tree+0x4d/0x1e0
[  242.196981][ T5460]  vfs_get_tree+0x88/0x270
[  242.201673][ T5460]  do_new_mount+0x24a/0xa40
[  242.206260][ T5460]  __se_sys_mount+0x2d6/0x3c0
[  242.211020][ T5460]  ? __x64_sys_mount+0xc0/0xc0
[  242.215798][ T5460]  ? lockdep_hardirqs_on+0x94/0x140
[  242.221454][ T5460]  ? __x64_sys_mount+0x1c/0xc0
[  242.226225][ T5460]  do_syscall_64+0x4c/0xa0
[  242.230752][ T5460]  ? clear_bhb_loop+0x30/0x80
[  242.235657][ T5460]  ? clear_bhb_loop+0x30/0x80
[  242.240441][ T5460]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  242.246625][ T5460] RIP: 0033:0x7f651f37a38a
[  242.251029][ T5460] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  242.271420][ T5460] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  242.279931][ T5460] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  242.287903][ T5460] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  242.296249][ T5460] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  242.304643][ T5460] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  242.312813][ T5460] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  242.321376][ T5460]  </TASK>
[  242.325185][ T5460] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  242.338975][ T5460] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  242.408027][ T4274] Bluetooth: hci1: command 0x0406 tx timeout
[  242.654039][ T5462] loop1: detected capacity change from 0 to 32768
[  242.751405][ T5462] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  242.760163][ T5462] CPU: 0 PID: 5462 Comm: syz.1.201 Not tainted syzkaller #0
[  242.767585][ T5462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  242.778014][ T5462] Call Trace:
[  242.781524][ T5462]  <TASK>
[  242.784473][ T5462]  dump_stack_lvl+0x168/0x230
[  242.790047][ T5462]  ? show_regs_print_info+0x20/0x20
[  242.795393][ T5462]  ? load_image+0x3b0/0x3b0
[  242.799928][ T5462]  sysfs_create_dir_ns+0x252/0x280
[  242.805175][ T5462]  ? __lock_acquire+0x7c60/0x7c60
[  242.810201][ T5462]  ? sysfs_warn_dup+0xa0/0xa0
[  242.815097][ T5462]  ? do_raw_spin_unlock+0x11d/0x230
[  242.820629][ T5462]  kobject_add_internal+0x662/0xd00
[  242.825941][ T5462]  kobject_init_and_add+0x122/0x190
[  242.831335][ T5462]  ? lockdep_softirqs_off+0x420/0x420
[  242.837052][ T5462]  ? kobject_add+0x210/0x210
[  242.841744][ T5462]  ? __init_swait_queue_head+0xa5/0x150
[  242.847462][ T5462]  gfs2_sys_fs_add+0x234/0x480
[  242.852212][ T5462]  ? gfs2_recover_set+0x240/0x240
[  242.857315][ T5462]  ? snprintf+0xd7/0x120
[  242.861625][ T5462]  ? __free_pages+0x95/0x1a0
[  242.866298][ T5462]  ? vscnprintf+0x80/0x80
[  242.870652][ T5462]  gfs2_fill_super+0x128d/0x1f50
[  242.875783][ T5462]  ? gfs2_reconfigure+0xcd0/0xcd0
[  242.880976][ T5462]  ? preempt_count_add+0x8d/0x190
[  242.886180][ T5462]  ? sb_set_blocksize+0xa5/0xe0
[  242.893040][ T5462]  get_tree_bdev+0x3f1/0x610
[  242.897628][ T5462]  ? gfs2_reconfigure+0xcd0/0xcd0
[  242.902722][ T5462]  gfs2_get_tree+0x4d/0x1e0
[  242.907224][ T5462]  vfs_get_tree+0x88/0x270
[  242.911777][ T5462]  do_new_mount+0x24a/0xa40
[  242.916316][ T5462]  __se_sys_mount+0x2d6/0x3c0
[  242.921231][ T5462]  ? __x64_sys_mount+0xc0/0xc0
[  242.926288][ T5462]  ? lockdep_hardirqs_on+0x94/0x140
[  242.931566][ T5462]  ? __x64_sys_mount+0x1c/0xc0
[  242.936347][ T5462]  do_syscall_64+0x4c/0xa0
[  242.940974][ T5462]  ? clear_bhb_loop+0x30/0x80
[  242.945680][ T5462]  ? clear_bhb_loop+0x30/0x80
[  242.950572][ T5462]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  242.956566][ T5462] RIP: 0033:0x7f651f37a38a
[  242.961078][ T5462] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  242.981039][ T5462] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  242.989457][ T5462] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  242.997556][ T5462] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  243.005603][ T5462] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  243.013564][ T5462] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  243.021638][ T5462] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  243.030761][ T5462]  </TASK>
[  243.036188][ T5462] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.049677][ T5462] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/22 10:31:31 executed programs: 187
[  243.369369][ T5464] loop1: detected capacity change from 0 to 32768
[  243.478621][ T5464] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  243.486043][ T5464] CPU: 0 PID: 5464 Comm: syz.1.202 Not tainted syzkaller #0
[  243.493429][ T5464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  243.503508][ T5464] Call Trace:
[  243.506878][ T5464]  <TASK>
[  243.509825][ T5464]  dump_stack_lvl+0x168/0x230
[  243.514554][ T5464]  ? show_regs_print_info+0x20/0x20
[  243.519773][ T5464]  ? load_image+0x3b0/0x3b0
[  243.524314][ T5464]  sysfs_create_dir_ns+0x252/0x280
[  243.529615][ T5464]  ? __lock_acquire+0x7c60/0x7c60
[  243.534720][ T5464]  ? sysfs_warn_dup+0xa0/0xa0
[  243.539426][ T5464]  ? do_raw_spin_unlock+0x11d/0x230
[  243.544841][ T5464]  kobject_add_internal+0x662/0xd00
[  243.550262][ T5464]  kobject_init_and_add+0x122/0x190
[  243.555484][ T5464]  ? lockdep_softirqs_off+0x420/0x420
[  243.561010][ T5464]  ? kobject_add+0x210/0x210
[  243.565767][ T5464]  ? __init_swait_queue_head+0xa5/0x150
[  243.571394][ T5464]  gfs2_sys_fs_add+0x234/0x480
[  243.576487][ T5464]  ? gfs2_recover_set+0x240/0x240
[  243.581951][ T5464]  ? snprintf+0xd7/0x120
[  243.586206][ T5464]  ? __free_pages+0x95/0x1a0
[  243.590819][ T5464]  ? vscnprintf+0x80/0x80
[  243.595150][ T5464]  gfs2_fill_super+0x128d/0x1f50
[  243.600096][ T5464]  ? gfs2_reconfigure+0xcd0/0xcd0
[  243.605239][ T5464]  ? preempt_count_add+0x8d/0x190
[  243.610385][ T5464]  ? sb_set_blocksize+0xa5/0xe0
[  243.615306][ T5464]  get_tree_bdev+0x3f1/0x610
[  243.619979][ T5464]  ? gfs2_reconfigure+0xcd0/0xcd0
[  243.624998][ T5464]  gfs2_get_tree+0x4d/0x1e0
[  243.629489][ T5464]  vfs_get_tree+0x88/0x270
[  243.633898][ T5464]  do_new_mount+0x24a/0xa40
[  243.638667][ T5464]  __se_sys_mount+0x2d6/0x3c0
[  243.643353][ T5464]  ? __x64_sys_mount+0xc0/0xc0
[  243.648297][ T5464]  ? lockdep_hardirqs_on+0x94/0x140
[  243.653572][ T5464]  ? __x64_sys_mount+0x1c/0xc0
[  243.658326][ T5464]  do_syscall_64+0x4c/0xa0
[  243.662725][ T5464]  ? clear_bhb_loop+0x30/0x80
[  243.667380][ T5464]  ? clear_bhb_loop+0x30/0x80
[  243.672045][ T5464]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  243.678012][ T5464] RIP: 0033:0x7f651f37a38a
[  243.682504][ T5464] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  243.702446][ T5464] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.710939][ T5464] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  243.719036][ T5464] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  243.727272][ T5464] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  243.735232][ T5464] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  243.743511][ T5464] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  243.751852][ T5464]  </TASK>
[  243.756675][ T5464] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.770294][ T5464] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  244.079570][ T5466] loop1: detected capacity change from 0 to 32768
[  244.181940][ T5466] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.189719][ T5466] CPU: 1 PID: 5466 Comm: syz.1.203 Not tainted syzkaller #0
[  244.197009][ T5466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  244.207246][ T5466] Call Trace:
[  244.210540][ T5466]  <TASK>
[  244.213485][ T5466]  dump_stack_lvl+0x168/0x230
[  244.218275][ T5466]  ? show_regs_print_info+0x20/0x20
[  244.223495][ T5466]  ? load_image+0x3b0/0x3b0
[  244.228164][ T5466]  sysfs_create_dir_ns+0x252/0x280
[  244.233677][ T5466]  ? __lock_acquire+0x7c60/0x7c60
[  244.238875][ T5466]  ? sysfs_warn_dup+0xa0/0xa0
[  244.243818][ T5466]  ? do_raw_spin_unlock+0x11d/0x230
[  244.249022][ T5466]  kobject_add_internal+0x662/0xd00
[  244.254251][ T5466]  kobject_init_and_add+0x122/0x190
[  244.259713][ T5466]  ? lockdep_softirqs_off+0x420/0x420
[  244.265076][ T5466]  ? kobject_add+0x210/0x210
[  244.269750][ T5466]  ? __init_swait_queue_head+0xa5/0x150
[  244.275379][ T5466]  gfs2_sys_fs_add+0x234/0x480
[  244.280238][ T5466]  ? gfs2_recover_set+0x240/0x240
[  244.285717][ T5466]  ? snprintf+0xd7/0x120
[  244.290058][ T5466]  ? __free_pages+0x95/0x1a0
[  244.294672][ T5466]  ? vscnprintf+0x80/0x80
[  244.299176][ T5466]  gfs2_fill_super+0x128d/0x1f50
[  244.304376][ T5466]  ? gfs2_reconfigure+0xcd0/0xcd0
[  244.309448][ T5466]  ? preempt_count_add+0x8d/0x190
[  244.314695][ T5466]  ? sb_set_blocksize+0xa5/0xe0
[  244.319722][ T5466]  get_tree_bdev+0x3f1/0x610
[  244.324694][ T5466]  ? gfs2_reconfigure+0xcd0/0xcd0
[  244.330044][ T5466]  gfs2_get_tree+0x4d/0x1e0
[  244.334958][ T5466]  vfs_get_tree+0x88/0x270
[  244.339489][ T5466]  do_new_mount+0x24a/0xa40
[  244.344037][ T5466]  __se_sys_mount+0x2d6/0x3c0
[  244.349080][ T5466]  ? __x64_sys_mount+0xc0/0xc0
[  244.354103][ T5466]  ? lockdep_hardirqs_on+0x94/0x140
[  244.359468][ T5466]  ? __x64_sys_mount+0x1c/0xc0
[  244.364348][ T5466]  do_syscall_64+0x4c/0xa0
[  244.369061][ T5466]  ? clear_bhb_loop+0x30/0x80
[  244.373999][ T5466]  ? clear_bhb_loop+0x30/0x80
[  244.379341][ T5466]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  244.385275][ T5466] RIP: 0033:0x7f651f37a38a
[  244.389798][ T5466] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  244.409485][ T5466] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.418014][ T5466] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  244.426259][ T5466] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  244.434439][ T5466] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  244.442672][ T5466] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  244.450630][ T5466] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  244.458615][ T5466]  </TASK>
[  244.462171][ T5466] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.475581][ T5466] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  244.809420][ T5468] loop1: detected capacity change from 0 to 32768
[  244.856206][ T5468] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.863754][ T5468] CPU: 0 PID: 5468 Comm: syz.1.204 Not tainted syzkaller #0
[  244.871109][ T5468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  244.881437][ T5468] Call Trace:
[  244.884917][ T5468]  <TASK>
[  244.887878][ T5468]  dump_stack_lvl+0x168/0x230
[  244.892745][ T5468]  ? show_regs_print_info+0x20/0x20
[  244.898139][ T5468]  ? load_image+0x3b0/0x3b0
[  244.902851][ T5468]  sysfs_create_dir_ns+0x252/0x280
[  244.908089][ T5468]  ? __lock_acquire+0x7c60/0x7c60
[  244.913135][ T5468]  ? sysfs_warn_dup+0xa0/0xa0
[  244.917837][ T5468]  ? do_raw_spin_unlock+0x11d/0x230
[  244.923147][ T5468]  kobject_add_internal+0x662/0xd00
[  244.928540][ T5468]  kobject_init_and_add+0x122/0x190
[  244.933767][ T5468]  ? lockdep_softirqs_off+0x420/0x420
[  244.939172][ T5468]  ? kobject_add+0x210/0x210
[  244.943777][ T5468]  ? __init_swait_queue_head+0xa5/0x150
[  244.949493][ T5468]  gfs2_sys_fs_add+0x234/0x480
[  244.954410][ T5468]  ? gfs2_recover_set+0x240/0x240
[  244.959602][ T5468]  ? snprintf+0xd7/0x120
[  244.963957][ T5468]  ? __free_pages+0x95/0x1a0
[  244.968638][ T5468]  ? vscnprintf+0x80/0x80
[  244.973103][ T5468]  gfs2_fill_super+0x128d/0x1f50
[  244.978124][ T5468]  ? gfs2_reconfigure+0xcd0/0xcd0
[  244.983218][ T5468]  ? preempt_count_add+0x8d/0x190
[  244.988239][ T5468]  ? sb_set_blocksize+0xa5/0xe0
[  244.993076][ T5468]  get_tree_bdev+0x3f1/0x610
[  244.997988][ T5468]  ? gfs2_reconfigure+0xcd0/0xcd0
[  245.003026][ T5468]  gfs2_get_tree+0x4d/0x1e0
[  245.007521][ T5468]  vfs_get_tree+0x88/0x270
[  245.011921][ T5468]  do_new_mount+0x24a/0xa40
[  245.016495][ T5468]  __se_sys_mount+0x2d6/0x3c0
[  245.021168][ T5468]  ? __x64_sys_mount+0xc0/0xc0
[  245.026124][ T5468]  ? lockdep_hardirqs_on+0x94/0x140
[  245.031324][ T5468]  ? __x64_sys_mount+0x1c/0xc0
[  245.036150][ T5468]  do_syscall_64+0x4c/0xa0
[  245.040660][ T5468]  ? clear_bhb_loop+0x30/0x80
[  245.045401][ T5468]  ? clear_bhb_loop+0x30/0x80
[  245.050079][ T5468]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  245.056145][ T5468] RIP: 0033:0x7f651f37a38a
[  245.060732][ T5468] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  245.080936][ T5468] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.089425][ T5468] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  245.097720][ T5468] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  245.106042][ T5468] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  245.114127][ T5468] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  245.122183][ T5468] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  245.130385][ T5468]  </TASK>
[  245.135526][ T5468] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  245.148789][ T5468] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  245.484680][ T5470] loop1: detected capacity change from 0 to 32768
[  245.552655][ T5470] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  245.560394][ T5470] CPU: 0 PID: 5470 Comm: syz.1.205 Not tainted syzkaller #0
[  245.567701][ T5470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  245.577940][ T5470] Call Trace:
[  245.581315][ T5470]  <TASK>
[  245.584622][ T5470]  dump_stack_lvl+0x168/0x230
[  245.589325][ T5470]  ? show_regs_print_info+0x20/0x20
[  245.594814][ T5470]  ? load_image+0x3b0/0x3b0
[  245.599355][ T5470]  sysfs_create_dir_ns+0x252/0x280
[  245.604579][ T5470]  ? __lock_acquire+0x7c60/0x7c60
[  245.609622][ T5470]  ? sysfs_warn_dup+0xa0/0xa0
[  245.614405][ T5470]  ? do_raw_spin_unlock+0x11d/0x230
[  245.619794][ T5470]  kobject_add_internal+0x662/0xd00
[  245.625282][ T5470]  kobject_init_and_add+0x122/0x190
[  245.630583][ T5470]  ? lockdep_softirqs_off+0x420/0x420
[  245.635980][ T5470]  ? kobject_add+0x210/0x210
[  245.640846][ T5470]  ? __init_swait_queue_head+0xa5/0x150
[  245.646581][ T5470]  gfs2_sys_fs_add+0x234/0x480
[  245.651460][ T5470]  ? gfs2_recover_set+0x240/0x240
[  245.656524][ T5470]  ? snprintf+0xd7/0x120
[  245.660956][ T5470]  ? __free_pages+0x95/0x1a0
[  245.665692][ T5470]  ? vscnprintf+0x80/0x80
[  245.670032][ T5470]  gfs2_fill_super+0x128d/0x1f50
[  245.675093][ T5470]  ? gfs2_reconfigure+0xcd0/0xcd0
[  245.680150][ T5470]  ? preempt_count_add+0x8d/0x190
[  245.685346][ T5470]  ? sb_set_blocksize+0xa5/0xe0
[  245.690384][ T5470]  get_tree_bdev+0x3f1/0x610
[  245.695060][ T5470]  ? gfs2_reconfigure+0xcd0/0xcd0
[  245.700073][ T5470]  gfs2_get_tree+0x4d/0x1e0
[  245.704708][ T5470]  vfs_get_tree+0x88/0x270
[  245.709247][ T5470]  do_new_mount+0x24a/0xa40
[  245.713843][ T5470]  __se_sys_mount+0x2d6/0x3c0
[  245.718527][ T5470]  ? __x64_sys_mount+0xc0/0xc0
[  245.723302][ T5470]  ? lockdep_hardirqs_on+0x94/0x140
[  245.728487][ T5470]  ? __x64_sys_mount+0x1c/0xc0
[  245.733249][ T5470]  do_syscall_64+0x4c/0xa0
[  245.737747][ T5470]  ? clear_bhb_loop+0x30/0x80
[  245.742704][ T5470]  ? clear_bhb_loop+0x30/0x80
[  245.747717][ T5470]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  245.753887][ T5470] RIP: 0033:0x7f651f37a38a
[  245.758336][ T5470] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  245.778549][ T5470] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.787275][ T5470] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  245.795357][ T5470] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  245.803685][ T5470] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  245.811870][ T5470] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  245.819849][ T5470] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  245.828018][ T5470]  </TASK>
[  245.833215][ T5470] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  245.846927][ T5470] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  246.178584][ T5472] loop1: detected capacity change from 0 to 32768
[  246.221649][ T5472] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.229539][ T5472] CPU: 1 PID: 5472 Comm: syz.1.206 Not tainted syzkaller #0
[  246.237080][ T5472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  246.247274][ T5472] Call Trace:
[  246.250740][ T5472]  <TASK>
[  246.253687][ T5472]  dump_stack_lvl+0x168/0x230
[  246.258565][ T5472]  ? show_regs_print_info+0x20/0x20
[  246.263785][ T5472]  ? load_image+0x3b0/0x3b0
[  246.268413][ T5472]  sysfs_create_dir_ns+0x252/0x280
[  246.273593][ T5472]  ? __lock_acquire+0x7c60/0x7c60
[  246.278654][ T5472]  ? sysfs_warn_dup+0xa0/0xa0
[  246.283359][ T5472]  ? do_raw_spin_unlock+0x11d/0x230
[  246.288689][ T5472]  kobject_add_internal+0x662/0xd00
[  246.294000][ T5472]  kobject_init_and_add+0x122/0x190
[  246.299650][ T5472]  ? lockdep_softirqs_off+0x420/0x420
[  246.305062][ T5472]  ? kobject_add+0x210/0x210
[  246.309675][ T5472]  ? __init_swait_queue_head+0xa5/0x150
[  246.315672][ T5472]  gfs2_sys_fs_add+0x234/0x480
[  246.320424][ T5472]  ? gfs2_recover_set+0x240/0x240
[  246.325431][ T5472]  ? snprintf+0xd7/0x120
[  246.329765][ T5472]  ? __free_pages+0x95/0x1a0
[  246.334505][ T5472]  ? vscnprintf+0x80/0x80
[  246.338898][ T5472]  gfs2_fill_super+0x128d/0x1f50
[  246.343868][ T5472]  ? gfs2_reconfigure+0xcd0/0xcd0
[  246.348885][ T5472]  ? preempt_count_add+0x8d/0x190
[  246.353984][ T5472]  ? sb_set_blocksize+0xa5/0xe0
[  246.358922][ T5472]  get_tree_bdev+0x3f1/0x610
[  246.363533][ T5472]  ? gfs2_reconfigure+0xcd0/0xcd0
[  246.368571][ T5472]  gfs2_get_tree+0x4d/0x1e0
[  246.373066][ T5472]  vfs_get_tree+0x88/0x270
[  246.377471][ T5472]  do_new_mount+0x24a/0xa40
[  246.381978][ T5472]  __se_sys_mount+0x2d6/0x3c0
[  246.386819][ T5472]  ? __x64_sys_mount+0xc0/0xc0
[  246.391567][ T5472]  ? lockdep_hardirqs_on+0x94/0x140
[  246.396808][ T5472]  ? __x64_sys_mount+0x1c/0xc0
[  246.401618][ T5472]  do_syscall_64+0x4c/0xa0
[  246.406062][ T5472]  ? clear_bhb_loop+0x30/0x80
[  246.411088][ T5472]  ? clear_bhb_loop+0x30/0x80
[  246.415870][ T5472]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  246.421957][ T5472] RIP: 0033:0x7f651f37a38a
[  246.426710][ T5472] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  246.446313][ T5472] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.454743][ T5472] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  246.462801][ T5472] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  246.470936][ T5472] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  246.478979][ T5472] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  246.487064][ T5472] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  246.495293][ T5472]  </TASK>
[  246.498966][ T5472] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.512943][ T5472] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  246.853617][ T5474] loop1: detected capacity change from 0 to 32768
[  246.919061][ T5474] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.926919][ T5474] CPU: 0 PID: 5474 Comm: syz.1.207 Not tainted syzkaller #0
[  246.934310][ T5474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  246.944466][ T5474] Call Trace:
[  246.947753][ T5474]  <TASK>
[  246.950694][ T5474]  dump_stack_lvl+0x168/0x230
[  246.955556][ T5474]  ? show_regs_print_info+0x20/0x20
[  246.960776][ T5474]  ? load_image+0x3b0/0x3b0
[  246.965451][ T5474]  sysfs_create_dir_ns+0x252/0x280
[  246.970841][ T5474]  ? __lock_acquire+0x7c60/0x7c60
[  246.975890][ T5474]  ? sysfs_warn_dup+0xa0/0xa0
[  246.980581][ T5474]  ? do_raw_spin_unlock+0x11d/0x230
[  246.985824][ T5474]  kobject_add_internal+0x662/0xd00
[  246.991163][ T5474]  kobject_init_and_add+0x122/0x190
[  246.996373][ T5474]  ? lockdep_softirqs_off+0x420/0x420
[  247.001756][ T5474]  ? kobject_add+0x210/0x210
[  247.006349][ T5474]  ? __init_swait_queue_head+0xa5/0x150
[  247.012194][ T5474]  gfs2_sys_fs_add+0x234/0x480
[  247.017340][ T5474]  ? gfs2_recover_set+0x240/0x240
[  247.022491][ T5474]  ? snprintf+0xd7/0x120
[  247.027009][ T5474]  ? __free_pages+0x95/0x1a0
[  247.031752][ T5474]  ? vscnprintf+0x80/0x80
[  247.036360][ T5474]  gfs2_fill_super+0x128d/0x1f50
[  247.041515][ T5474]  ? gfs2_reconfigure+0xcd0/0xcd0
[  247.046593][ T5474]  ? preempt_count_add+0x8d/0x190
[  247.051719][ T5474]  ? sb_set_blocksize+0xa5/0xe0
[  247.056890][ T5474]  get_tree_bdev+0x3f1/0x610
[  247.061489][ T5474]  ? gfs2_reconfigure+0xcd0/0xcd0
[  247.066601][ T5474]  gfs2_get_tree+0x4d/0x1e0
[  247.071188][ T5474]  vfs_get_tree+0x88/0x270
[  247.075868][ T5474]  do_new_mount+0x24a/0xa40
[  247.080362][ T5474]  __se_sys_mount+0x2d6/0x3c0
[  247.085043][ T5474]  ? __x64_sys_mount+0xc0/0xc0
[  247.089798][ T5474]  ? lockdep_hardirqs_on+0x94/0x140
[  247.095065][ T5474]  ? __x64_sys_mount+0x1c/0xc0
[  247.099904][ T5474]  do_syscall_64+0x4c/0xa0
[  247.104324][ T5474]  ? clear_bhb_loop+0x30/0x80
[  247.108983][ T5474]  ? clear_bhb_loop+0x30/0x80
[  247.113744][ T5474]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  247.119616][ T5474] RIP: 0033:0x7f651f37a38a
[  247.124029][ T5474] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  247.143888][ T5474] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.152288][ T5474] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  247.160430][ T5474] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  247.168838][ T5474] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  247.177331][ T5474] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  247.185391][ T5474] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  247.193813][ T5474]  </TASK>
[  247.198858][ T5474] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.212536][ T5474] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  247.564434][ T5476] loop1: detected capacity change from 0 to 32768
[  247.637046][ T5476] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  247.645920][ T5476] CPU: 0 PID: 5476 Comm: syz.1.208 Not tainted syzkaller #0
[  247.653348][ T5476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  247.663628][ T5476] Call Trace:
[  247.667118][ T5476]  <TASK>
[  247.670066][ T5476]  dump_stack_lvl+0x168/0x230
[  247.674776][ T5476]  ? show_regs_print_info+0x20/0x20
[  247.680141][ T5476]  ? load_image+0x3b0/0x3b0
[  247.684689][ T5476]  sysfs_create_dir_ns+0x252/0x280
[  247.689919][ T5476]  ? __lock_acquire+0x7c60/0x7c60
[  247.695049][ T5476]  ? sysfs_warn_dup+0xa0/0xa0
[  247.699749][ T5476]  ? do_raw_spin_unlock+0x11d/0x230
[  247.704962][ T5476]  kobject_add_internal+0x662/0xd00
[  247.710365][ T5476]  kobject_init_and_add+0x122/0x190
[  247.715698][ T5476]  ? lockdep_softirqs_off+0x420/0x420
[  247.721102][ T5476]  ? kobject_add+0x210/0x210
[  247.725807][ T5476]  ? __init_swait_queue_head+0xa5/0x150
[  247.731351][ T5476]  gfs2_sys_fs_add+0x234/0x480
[  247.736628][ T5476]  ? gfs2_recover_set+0x240/0x240
[  247.741658][ T5476]  ? snprintf+0xd7/0x120
[  247.745896][ T5476]  ? __free_pages+0x95/0x1a0
[  247.750477][ T5476]  ? vscnprintf+0x80/0x80
[  247.754836][ T5476]  gfs2_fill_super+0x128d/0x1f50
[  247.759794][ T5476]  ? gfs2_reconfigure+0xcd0/0xcd0
[  247.765103][ T5476]  ? preempt_count_add+0x8d/0x190
[  247.770244][ T5476]  ? sb_set_blocksize+0xa5/0xe0
[  247.775093][ T5476]  get_tree_bdev+0x3f1/0x610
[  247.779854][ T5476]  ? gfs2_reconfigure+0xcd0/0xcd0
[  247.784872][ T5476]  gfs2_get_tree+0x4d/0x1e0
[  247.789622][ T5476]  vfs_get_tree+0x88/0x270
[  247.794184][ T5476]  do_new_mount+0x24a/0xa40
[  247.798791][ T5476]  __se_sys_mount+0x2d6/0x3c0
[  247.803482][ T5476]  ? __x64_sys_mount+0xc0/0xc0
[  247.808242][ T5476]  ? lockdep_hardirqs_on+0x94/0x140
[  247.813511][ T5476]  ? __x64_sys_mount+0x1c/0xc0
[  247.818389][ T5476]  do_syscall_64+0x4c/0xa0
[  247.822893][ T5476]  ? clear_bhb_loop+0x30/0x80
[  247.827704][ T5476]  ? clear_bhb_loop+0x30/0x80
[  247.832485][ T5476]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  247.838400][ T5476] RIP: 0033:0x7f651f37a38a
[  247.842917][ T5476] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  247.862874][ T5476] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.871280][ T5476] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  247.879271][ T5476] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  247.887234][ T5476] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  247.895307][ T5476] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  247.903355][ T5476] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  247.911358][ T5476]  </TASK>
[  247.916461][ T5476] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.930162][ T5476] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  248.272310][ T5478] loop1: detected capacity change from 0 to 32768
[  248.371555][ T5478] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.379498][ T5478] CPU: 0 PID: 5478 Comm: syz.1.209 Not tainted syzkaller #0
[  248.386884][ T5478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  248.397164][ T5478] Call Trace:
[  248.400732][ T5478]  <TASK>
[  248.403679][ T5478]  dump_stack_lvl+0x168/0x230
[  248.408383][ T5478]  ? show_regs_print_info+0x20/0x20
[  248.413601][ T5478]  ? load_image+0x3b0/0x3b0
[  248.418330][ T5478]  sysfs_create_dir_ns+0x252/0x280
[  248.423648][ T5478]  ? __lock_acquire+0x7c60/0x7c60
[  248.429127][ T5478]  ? sysfs_warn_dup+0xa0/0xa0
[  248.434107][ T5478]  ? do_raw_spin_unlock+0x11d/0x230
[  248.439299][ T5478]  kobject_add_internal+0x662/0xd00
[  248.444490][ T5478]  kobject_init_and_add+0x122/0x190
[  248.449760][ T5478]  ? lockdep_softirqs_off+0x420/0x420
[  248.455225][ T5478]  ? kobject_add+0x210/0x210
[  248.459865][ T5478]  ? __init_swait_queue_head+0xa5/0x150
[  248.465413][ T5478]  gfs2_sys_fs_add+0x234/0x480
[  248.470272][ T5478]  ? gfs2_recover_set+0x240/0x240
[  248.475284][ T5478]  ? snprintf+0xd7/0x120
[  248.479511][ T5478]  ? __free_pages+0x95/0x1a0
[  248.484252][ T5478]  ? vscnprintf+0x80/0x80
[  248.488683][ T5478]  gfs2_fill_super+0x128d/0x1f50
[  248.493623][ T5478]  ? gfs2_reconfigure+0xcd0/0xcd0
[  248.498881][ T5478]  ? preempt_count_add+0x8d/0x190
[  248.503905][ T5478]  ? sb_set_blocksize+0xa5/0xe0
[  248.508919][ T5478]  get_tree_bdev+0x3f1/0x610
[  248.513500][ T5478]  ? gfs2_reconfigure+0xcd0/0xcd0
[  248.518753][ T5478]  gfs2_get_tree+0x4d/0x1e0
[  248.523258][ T5478]  vfs_get_tree+0x88/0x270
[  248.527946][ T5478]  do_new_mount+0x24a/0xa40
[  248.532452][ T5478]  __se_sys_mount+0x2d6/0x3c0
[  248.537213][ T5478]  ? __x64_sys_mount+0xc0/0xc0
[  248.542306][ T5478]  ? lockdep_hardirqs_on+0x94/0x140
[  248.547693][ T5478]  ? __x64_sys_mount+0x1c/0xc0
[  248.552567][ T5478]  do_syscall_64+0x4c/0xa0
[  248.557067][ T5478]  ? clear_bhb_loop+0x30/0x80
[  248.561822][ T5478]  ? clear_bhb_loop+0x30/0x80
[  248.566490][ T5478]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  248.572802][ T5478] RIP: 0033:0x7f651f37a38a
[  248.577402][ T5478] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  248.597264][ T5478] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.605671][ T5478] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  248.614334][ T5478] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  248.622306][ T5478] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  248.630676][ T5478] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  248.638802][ T5478] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  248.646790][ T5478]  </TASK>
[  248.651774][ T5478] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  248.665393][ T5478] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/22 10:31:37 executed programs: 195
[  248.996311][ T5480] loop1: detected capacity change from 0 to 32768
[  249.042803][ T5480] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  249.061579][ T5480] CPU: 1 PID: 5480 Comm: syz.1.210 Not tainted syzkaller #0
[  249.068996][ T5480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  249.079070][ T5480] Call Trace:
[  249.082362][ T5480]  <TASK>
[  249.085404][ T5480]  dump_stack_lvl+0x168/0x230
[  249.090182][ T5480]  ? show_regs_print_info+0x20/0x20
[  249.095395][ T5480]  ? load_image+0x3b0/0x3b0
[  249.099971][ T5480]  sysfs_create_dir_ns+0x252/0x280
[  249.105184][ T5480]  ? __lock_acquire+0x7c60/0x7c60
[  249.110233][ T5480]  ? sysfs_warn_dup+0xa0/0xa0
[  249.114922][ T5480]  ? do_raw_spin_unlock+0x11d/0x230
[  249.120151][ T5480]  kobject_add_internal+0x662/0xd00
[  249.125367][ T5480]  kobject_init_and_add+0x122/0x190
[  249.130656][ T5480]  ? lockdep_softirqs_off+0x420/0x420
[  249.136313][ T5480]  ? kobject_add+0x210/0x210
[  249.140957][ T5480]  ? __init_swait_queue_head+0xa5/0x150
[  249.146526][ T5480]  gfs2_sys_fs_add+0x234/0x480
[  249.151302][ T5480]  ? gfs2_recover_set+0x240/0x240
[  249.156313][ T5480]  ? snprintf+0xd7/0x120
[  249.160645][ T5480]  ? __free_pages+0x95/0x1a0
[  249.165346][ T5480]  ? vscnprintf+0x80/0x80
[  249.169764][ T5480]  gfs2_fill_super+0x128d/0x1f50
[  249.174721][ T5480]  ? gfs2_reconfigure+0xcd0/0xcd0
[  249.179827][ T5480]  ? preempt_count_add+0x8d/0x190
[  249.184840][ T5480]  ? sb_set_blocksize+0xa5/0xe0
[  249.189783][ T5480]  get_tree_bdev+0x3f1/0x610
[  249.194365][ T5480]  ? gfs2_reconfigure+0xcd0/0xcd0
[  249.199569][ T5480]  gfs2_get_tree+0x4d/0x1e0
[  249.204078][ T5480]  vfs_get_tree+0x88/0x270
[  249.208500][ T5480]  do_new_mount+0x24a/0xa40
[  249.213033][ T5480]  __se_sys_mount+0x2d6/0x3c0
[  249.217903][ T5480]  ? __x64_sys_mount+0xc0/0xc0
[  249.222710][ T5480]  ? lockdep_hardirqs_on+0x94/0x140
[  249.227965][ T5480]  ? __x64_sys_mount+0x1c/0xc0
[  249.232852][ T5480]  do_syscall_64+0x4c/0xa0
[  249.237338][ T5480]  ? clear_bhb_loop+0x30/0x80
[  249.242167][ T5480]  ? clear_bhb_loop+0x30/0x80
[  249.247000][ T5480]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  249.252961][ T5480] RIP: 0033:0x7f651f37a38a
[  249.257606][ T5480] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  249.277382][ T5480] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  249.285944][ T5480] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  249.294142][ T5480] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  249.302118][ T5480] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  249.310261][ T5480] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  249.318575][ T5480] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  249.326823][ T5480]  </TASK>
[  249.331154][ T5480] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  249.345334][ T5480] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  249.672447][ T5482] loop1: detected capacity change from 0 to 32768
[  249.740177][ T5482] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  249.748136][ T5482] CPU: 1 PID: 5482 Comm: syz.1.211 Not tainted syzkaller #0
[  249.755447][ T5482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  249.766128][ T5482] Call Trace:
[  249.769424][ T5482]  <TASK>
[  249.772374][ T5482]  dump_stack_lvl+0x168/0x230
[  249.777163][ T5482]  ? show_regs_print_info+0x20/0x20
[  249.782660][ T5482]  ? load_image+0x3b0/0x3b0
[  249.787204][ T5482]  sysfs_create_dir_ns+0x252/0x280
[  249.792947][ T5482]  ? __lock_acquire+0x7c60/0x7c60
[  249.798154][ T5482]  ? sysfs_warn_dup+0xa0/0xa0
[  249.802930][ T5482]  ? do_raw_spin_unlock+0x11d/0x230
[  249.808231][ T5482]  kobject_add_internal+0x662/0xd00
[  249.813454][ T5482]  kobject_init_and_add+0x122/0x190
[  249.818945][ T5482]  ? lockdep_softirqs_off+0x420/0x420
[  249.824481][ T5482]  ? kobject_add+0x210/0x210
[  249.829089][ T5482]  ? __init_swait_queue_head+0xa5/0x150
[  249.834661][ T5482]  gfs2_sys_fs_add+0x234/0x480
[  249.839510][ T5482]  ? gfs2_recover_set+0x240/0x240
[  249.844563][ T5482]  ? snprintf+0xd7/0x120
[  249.848887][ T5482]  ? __free_pages+0x95/0x1a0
[  249.853516][ T5482]  ? vscnprintf+0x80/0x80
[  249.857940][ T5482]  gfs2_fill_super+0x128d/0x1f50
[  249.862983][ T5482]  ? gfs2_reconfigure+0xcd0/0xcd0
[  249.868158][ T5482]  ? preempt_count_add+0x8d/0x190
[  249.873185][ T5482]  ? sb_set_blocksize+0xa5/0xe0
[  249.878028][ T5482]  get_tree_bdev+0x3f1/0x610
[  249.882804][ T5482]  ? gfs2_reconfigure+0xcd0/0xcd0
[  249.887851][ T5482]  gfs2_get_tree+0x4d/0x1e0
[  249.892626][ T5482]  vfs_get_tree+0x88/0x270
[  249.897057][ T5482]  do_new_mount+0x24a/0xa40
[  249.901643][ T5482]  __se_sys_mount+0x2d6/0x3c0
[  249.906512][ T5482]  ? __x64_sys_mount+0xc0/0xc0
[  249.911698][ T5482]  ? lockdep_hardirqs_on+0x94/0x140
[  249.916914][ T5482]  ? __x64_sys_mount+0x1c/0xc0
[  249.921679][ T5482]  do_syscall_64+0x4c/0xa0
[  249.926094][ T5482]  ? clear_bhb_loop+0x30/0x80
[  249.930907][ T5482]  ? clear_bhb_loop+0x30/0x80
[  249.935603][ T5482]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  249.941482][ T5482] RIP: 0033:0x7f651f37a38a
[  249.946142][ T5482] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  249.966184][ T5482] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  249.974603][ T5482] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  249.982755][ T5482] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  249.990837][ T5482] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  249.998855][ T5482] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  250.006874][ T5482] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  250.015053][ T5482]  </TASK>
[  250.018552][ T5482] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  250.032393][ T5482] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  250.390971][ T5484] loop1: detected capacity change from 0 to 32768
[  250.440314][ T5484] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.451195][ T5484] CPU: 1 PID: 5484 Comm: syz.1.212 Not tainted syzkaller #0
[  250.458535][ T5484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  250.468864][ T5484] Call Trace:
[  250.472152][ T5484]  <TASK>
[  250.475270][ T5484]  dump_stack_lvl+0x168/0x230
[  250.479967][ T5484]  ? show_regs_print_info+0x20/0x20
[  250.485418][ T5484]  ? load_image+0x3b0/0x3b0
[  250.490034][ T5484]  sysfs_create_dir_ns+0x252/0x280
[  250.495160][ T5484]  ? __lock_acquire+0x7c60/0x7c60
[  250.500200][ T5484]  ? sysfs_warn_dup+0xa0/0xa0
[  250.504898][ T5484]  ? do_raw_spin_unlock+0x11d/0x230
[  250.510478][ T5484]  kobject_add_internal+0x662/0xd00
[  250.515697][ T5484]  kobject_init_and_add+0x122/0x190
[  250.521089][ T5484]  ? lockdep_softirqs_off+0x420/0x420
[  250.526481][ T5484]  ? kobject_add+0x210/0x210
[  250.531099][ T5484]  ? __init_swait_queue_head+0xa5/0x150
[  250.536667][ T5484]  gfs2_sys_fs_add+0x234/0x480
[  250.541523][ T5484]  ? gfs2_recover_set+0x240/0x240
[  250.546834][ T5484]  ? snprintf+0xd7/0x120
[  250.551087][ T5484]  ? __free_pages+0x95/0x1a0
[  250.555678][ T5484]  ? vscnprintf+0x80/0x80
[  250.559998][ T5484]  gfs2_fill_super+0x128d/0x1f50
[  250.565037][ T5484]  ? gfs2_reconfigure+0xcd0/0xcd0
[  250.570072][ T5484]  ? preempt_count_add+0x8d/0x190
[  250.575282][ T5484]  ? sb_set_blocksize+0xa5/0xe0
[  250.580332][ T5484]  get_tree_bdev+0x3f1/0x610
[  250.584908][ T5484]  ? gfs2_reconfigure+0xcd0/0xcd0
[  250.590155][ T5484]  gfs2_get_tree+0x4d/0x1e0
[  250.594773][ T5484]  vfs_get_tree+0x88/0x270
[  250.599180][ T5484]  do_new_mount+0x24a/0xa40
[  250.603845][ T5484]  __se_sys_mount+0x2d6/0x3c0
[  250.608610][ T5484]  ? __x64_sys_mount+0xc0/0xc0
[  250.613371][ T5484]  ? lockdep_hardirqs_on+0x94/0x140
[  250.618547][ T5484]  ? __x64_sys_mount+0x1c/0xc0
[  250.623552][ T5484]  do_syscall_64+0x4c/0xa0
[  250.628082][ T5484]  ? clear_bhb_loop+0x30/0x80
[  250.632824][ T5484]  ? clear_bhb_loop+0x30/0x80
[  250.637580][ T5484]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  250.643807][ T5484] RIP: 0033:0x7f651f37a38a
[  250.648207][ T5484] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  250.668217][ T5484] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.676885][ T5484] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  250.684848][ T5484] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  250.693246][ T5484] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  250.701236][ T5484] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  250.709292][ T5484] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  250.717269][ T5484]  </TASK>
[  250.722523][ T5484] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  250.737857][ T5484] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  251.086463][ T5486] loop1: detected capacity change from 0 to 32768
[  251.129409][ T5486] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  251.136820][ T5486] CPU: 0 PID: 5486 Comm: syz.1.213 Not tainted syzkaller #0
[  251.144121][ T5486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  251.154624][ T5486] Call Trace:
[  251.157929][ T5486]  <TASK>
[  251.161129][ T5486]  dump_stack_lvl+0x168/0x230
[  251.165833][ T5486]  ? show_regs_print_info+0x20/0x20
[  251.171314][ T5486]  ? load_image+0x3b0/0x3b0
[  251.175854][ T5486]  sysfs_create_dir_ns+0x252/0x280
[  251.181146][ T5486]  ? __lock_acquire+0x7c60/0x7c60
[  251.186206][ T5486]  ? sysfs_warn_dup+0xa0/0xa0
[  251.191010][ T5486]  ? do_raw_spin_unlock+0x11d/0x230
[  251.196235][ T5486]  kobject_add_internal+0x662/0xd00
[  251.201458][ T5486]  kobject_init_and_add+0x122/0x190
[  251.206956][ T5486]  ? lockdep_softirqs_off+0x420/0x420
[  251.212433][ T5486]  ? kobject_add+0x210/0x210
[  251.217408][ T5486]  ? __init_swait_queue_head+0xa5/0x150
[  251.222973][ T5486]  gfs2_sys_fs_add+0x234/0x480
[  251.228154][ T5486]  ? gfs2_recover_set+0x240/0x240
[  251.233194][ T5486]  ? snprintf+0xd7/0x120
[  251.237536][ T5486]  ? __free_pages+0x95/0x1a0
[  251.242385][ T5486]  ? vscnprintf+0x80/0x80
[  251.247226][ T5486]  gfs2_fill_super+0x128d/0x1f50
[  251.252269][ T5486]  ? gfs2_reconfigure+0xcd0/0xcd0
[  251.257481][ T5486]  ? preempt_count_add+0x8d/0x190
[  251.262676][ T5486]  ? sb_set_blocksize+0xa5/0xe0
[  251.267859][ T5486]  get_tree_bdev+0x3f1/0x610
[  251.272458][ T5486]  ? gfs2_reconfigure+0xcd0/0xcd0
[  251.277616][ T5486]  gfs2_get_tree+0x4d/0x1e0
[  251.282316][ T5486]  vfs_get_tree+0x88/0x270
[  251.286913][ T5486]  do_new_mount+0x24a/0xa40
[  251.291407][ T5486]  __se_sys_mount+0x2d6/0x3c0
[  251.296082][ T5486]  ? __x64_sys_mount+0xc0/0xc0
[  251.301027][ T5486]  ? lockdep_hardirqs_on+0x94/0x140
[  251.306389][ T5486]  ? __x64_sys_mount+0x1c/0xc0
[  251.311144][ T5486]  do_syscall_64+0x4c/0xa0
[  251.315640][ T5486]  ? clear_bhb_loop+0x30/0x80
[  251.320357][ T5486]  ? clear_bhb_loop+0x30/0x80
[  251.325080][ T5486]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  251.331067][ T5486] RIP: 0033:0x7f651f37a38a
[  251.335709][ T5486] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  251.355753][ T5486] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.364362][ T5486] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  251.372603][ T5486] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  251.380649][ T5486] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  251.388701][ T5486] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  251.397008][ T5486] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  251.405118][ T5486]  </TASK>
[  251.410155][ T5486] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.424209][ T5486] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  251.741153][ T5488] loop1: detected capacity change from 0 to 32768
[  251.759582][ T5488] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  251.767334][ T5488] CPU: 1 PID: 5488 Comm: syz.1.214 Not tainted syzkaller #0
[  251.774808][ T5488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  251.784965][ T5488] Call Trace:
[  251.788517][ T5488]  <TASK>
[  251.791538][ T5488]  dump_stack_lvl+0x168/0x230
[  251.796242][ T5488]  ? show_regs_print_info+0x20/0x20
[  251.801935][ T5488]  ? load_image+0x3b0/0x3b0
[  251.806492][ T5488]  sysfs_create_dir_ns+0x252/0x280
[  251.811793][ T5488]  ? __lock_acquire+0x7c60/0x7c60
[  251.816842][ T5488]  ? sysfs_warn_dup+0xa0/0xa0
[  251.821634][ T5488]  ? do_raw_spin_unlock+0x11d/0x230
[  251.826854][ T5488]  kobject_add_internal+0x662/0xd00
[  251.832113][ T5488]  kobject_init_and_add+0x122/0x190
[  251.837328][ T5488]  ? lockdep_softirqs_off+0x420/0x420
[  251.842792][ T5488]  ? kobject_add+0x210/0x210
[  251.847375][ T5488]  ? __init_swait_queue_head+0xa5/0x150
[  251.852999][ T5488]  gfs2_sys_fs_add+0x234/0x480
[  251.857890][ T5488]  ? gfs2_recover_set+0x240/0x240
[  251.862937][ T5488]  ? snprintf+0xd7/0x120
[  251.867276][ T5488]  ? __free_pages+0x95/0x1a0
[  251.872127][ T5488]  ? vscnprintf+0x80/0x80
[  251.876583][ T5488]  gfs2_fill_super+0x128d/0x1f50
[  251.881647][ T5488]  ? gfs2_reconfigure+0xcd0/0xcd0
[  251.886866][ T5488]  ? preempt_count_add+0x8d/0x190
[  251.892003][ T5488]  ? sb_set_blocksize+0xa5/0xe0
[  251.896848][ T5488]  get_tree_bdev+0x3f1/0x610
[  251.901429][ T5488]  ? gfs2_reconfigure+0xcd0/0xcd0
[  251.906464][ T5488]  gfs2_get_tree+0x4d/0x1e0
[  251.911130][ T5488]  vfs_get_tree+0x88/0x270
[  251.915536][ T5488]  do_new_mount+0x24a/0xa40
[  251.920193][ T5488]  __se_sys_mount+0x2d6/0x3c0
[  251.924886][ T5488]  ? __x64_sys_mount+0xc0/0xc0
[  251.929771][ T5488]  ? lockdep_hardirqs_on+0x94/0x140
[  251.934953][ T5488]  ? __x64_sys_mount+0x1c/0xc0
[  251.940083][ T5488]  do_syscall_64+0x4c/0xa0
[  251.944492][ T5488]  ? clear_bhb_loop+0x30/0x80
[  251.949166][ T5488]  ? clear_bhb_loop+0x30/0x80
[  251.953947][ T5488]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  251.960364][ T5488] RIP: 0033:0x7f651f37a38a
[  251.965038][ T5488] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  251.985533][ T5488] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.994026][ T5488] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  252.002075][ T5488] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  252.010061][ T5488] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  252.018115][ T5488] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  252.026183][ T5488] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  252.034376][ T5488]  </TASK>
[  252.038105][ T5488] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.051475][ T5488] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.380097][ T5490] loop1: detected capacity change from 0 to 32768
[  252.430235][ T5490] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.438417][ T5490] CPU: 1 PID: 5490 Comm: syz.1.215 Not tainted syzkaller #0
[  252.445740][ T5490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  252.455824][ T5490] Call Trace:
[  252.459114][ T5490]  <TASK>
[  252.462054][ T5490]  dump_stack_lvl+0x168/0x230
[  252.466750][ T5490]  ? show_regs_print_info+0x20/0x20
[  252.472148][ T5490]  ? load_image+0x3b0/0x3b0
[  252.476676][ T5490]  sysfs_create_dir_ns+0x252/0x280
[  252.481892][ T5490]  ? __lock_acquire+0x7c60/0x7c60
[  252.486933][ T5490]  ? sysfs_warn_dup+0xa0/0xa0
[  252.491643][ T5490]  ? do_raw_spin_unlock+0x11d/0x230
[  252.497016][ T5490]  kobject_add_internal+0x662/0xd00
[  252.502337][ T5490]  kobject_init_and_add+0x122/0x190
[  252.507633][ T5490]  ? lockdep_softirqs_off+0x420/0x420
[  252.513026][ T5490]  ? kobject_add+0x210/0x210
[  252.517721][ T5490]  ? __init_swait_queue_head+0xa5/0x150
[  252.523311][ T5490]  gfs2_sys_fs_add+0x234/0x480
[  252.528079][ T5490]  ? gfs2_recover_set+0x240/0x240
[  252.533095][ T5490]  ? snprintf+0xd7/0x120
[  252.537639][ T5490]  ? __free_pages+0x95/0x1a0
[  252.542531][ T5490]  ? vscnprintf+0x80/0x80
[  252.546970][ T5490]  gfs2_fill_super+0x128d/0x1f50
[  252.552195][ T5490]  ? gfs2_reconfigure+0xcd0/0xcd0
[  252.557370][ T5490]  ? preempt_count_add+0x8d/0x190
[  252.562425][ T5490]  ? sb_set_blocksize+0xa5/0xe0
[  252.567366][ T5490]  get_tree_bdev+0x3f1/0x610
[  252.571975][ T5490]  ? gfs2_reconfigure+0xcd0/0xcd0
[  252.577001][ T5490]  gfs2_get_tree+0x4d/0x1e0
[  252.581680][ T5490]  vfs_get_tree+0x88/0x270
[  252.586373][ T5490]  do_new_mount+0x24a/0xa40
[  252.591347][ T5490]  __se_sys_mount+0x2d6/0x3c0
[  252.596212][ T5490]  ? __x64_sys_mount+0xc0/0xc0
[  252.601191][ T5490]  ? lockdep_hardirqs_on+0x94/0x140
[  252.606602][ T5490]  ? __x64_sys_mount+0x1c/0xc0
[  252.611356][ T5490]  do_syscall_64+0x4c/0xa0
[  252.615850][ T5490]  ? clear_bhb_loop+0x30/0x80
[  252.620514][ T5490]  ? clear_bhb_loop+0x30/0x80
[  252.625489][ T5490]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  252.631552][ T5490] RIP: 0033:0x7f651f37a38a
[  252.635955][ T5490] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  252.656211][ T5490] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.664664][ T5490] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  252.672951][ T5490] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  252.681216][ T5490] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  252.689381][ T5490] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  252.697358][ T5490] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  252.705329][ T5490]  </TASK>
[  252.713056][ T5490] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.726673][ T5490] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  253.044223][ T5492] loop1: detected capacity change from 0 to 32768
[  253.097983][ T5492] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.105680][ T5492] CPU: 0 PID: 5492 Comm: syz.1.216 Not tainted syzkaller #0
[  253.113063][ T5492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  253.123256][ T5492] Call Trace:
[  253.126636][ T5492]  <TASK>
[  253.129659][ T5492]  dump_stack_lvl+0x168/0x230
[  253.134440][ T5492]  ? show_regs_print_info+0x20/0x20
[  253.139761][ T5492]  ? load_image+0x3b0/0x3b0
[  253.144389][ T5492]  sysfs_create_dir_ns+0x252/0x280
[  253.149607][ T5492]  ? __lock_acquire+0x7c60/0x7c60
[  253.154654][ T5492]  ? sysfs_warn_dup+0xa0/0xa0
[  253.159702][ T5492]  ? do_raw_spin_unlock+0x11d/0x230
[  253.165005][ T5492]  kobject_add_internal+0x662/0xd00
[  253.170380][ T5492]  kobject_init_and_add+0x122/0x190
[  253.175891][ T5492]  ? lockdep_softirqs_off+0x420/0x420
[  253.181382][ T5492]  ? kobject_add+0x210/0x210
[  253.186128][ T5492]  ? __init_swait_queue_head+0xa5/0x150
[  253.192037][ T5492]  gfs2_sys_fs_add+0x234/0x480
[  253.196818][ T5492]  ? gfs2_recover_set+0x240/0x240
[  253.201831][ T5492]  ? snprintf+0xd7/0x120
[  253.206094][ T5492]  ? __free_pages+0x95/0x1a0
[  253.210686][ T5492]  ? vscnprintf+0x80/0x80
[  253.215137][ T5492]  gfs2_fill_super+0x128d/0x1f50
[  253.220192][ T5492]  ? gfs2_reconfigure+0xcd0/0xcd0
[  253.225378][ T5492]  ? preempt_count_add+0x8d/0x190
[  253.230587][ T5492]  ? sb_set_blocksize+0xa5/0xe0
[  253.235584][ T5492]  get_tree_bdev+0x3f1/0x610
[  253.240163][ T5492]  ? gfs2_reconfigure+0xcd0/0xcd0
[  253.245173][ T5492]  gfs2_get_tree+0x4d/0x1e0
[  253.249753][ T5492]  vfs_get_tree+0x88/0x270
[  253.254356][ T5492]  do_new_mount+0x24a/0xa40
[  253.258959][ T5492]  __se_sys_mount+0x2d6/0x3c0
[  253.263850][ T5492]  ? __x64_sys_mount+0xc0/0xc0
[  253.268635][ T5492]  ? lockdep_hardirqs_on+0x94/0x140
[  253.273824][ T5492]  ? __x64_sys_mount+0x1c/0xc0
[  253.278783][ T5492]  do_syscall_64+0x4c/0xa0
[  253.283211][ T5492]  ? clear_bhb_loop+0x30/0x80
[  253.287873][ T5492]  ? clear_bhb_loop+0x30/0x80
[  253.292621][ T5492]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  253.298506][ T5492] RIP: 0033:0x7f651f37a38a
[  253.302907][ T5492] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  253.322786][ T5492] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.331275][ T5492] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  253.339952][ T5492] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  253.348021][ T5492] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  253.355996][ T5492] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  253.364059][ T5492] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  253.372339][ T5492]  </TASK>
[  253.377456][ T5492] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.391285][ T5492] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  253.732842][ T5494] loop1: detected capacity change from 0 to 32768
[  253.787850][ T5494] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.795586][ T5494] CPU: 1 PID: 5494 Comm: syz.1.217 Not tainted syzkaller #0
[  253.803063][ T5494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  253.813131][ T5494] Call Trace:
[  253.816419][ T5494]  <TASK>
[  253.819356][ T5494]  dump_stack_lvl+0x168/0x230
[  253.824051][ T5494]  ? show_regs_print_info+0x20/0x20
[  253.829270][ T5494]  ? load_image+0x3b0/0x3b0
[  253.833805][ T5494]  sysfs_create_dir_ns+0x252/0x280
[  253.838930][ T5494]  ? __lock_acquire+0x7c60/0x7c60
[  253.843966][ T5494]  ? sysfs_warn_dup+0xa0/0xa0
[  253.848663][ T5494]  ? do_raw_spin_unlock+0x11d/0x230
[  253.853899][ T5494]  kobject_add_internal+0x662/0xd00
[  253.859133][ T5494]  kobject_init_and_add+0x122/0x190
[  253.864343][ T5494]  ? lockdep_softirqs_off+0x420/0x420
[  253.869799][ T5494]  ? kobject_add+0x210/0x210
[  253.874552][ T5494]  ? __init_swait_queue_head+0xa5/0x150
[  253.880183][ T5494]  gfs2_sys_fs_add+0x234/0x480
[  253.885072][ T5494]  ? gfs2_recover_set+0x240/0x240
[  253.890075][ T5494]  ? snprintf+0xd7/0x120
[  253.894297][ T5494]  ? __free_pages+0x95/0x1a0
[  253.898868][ T5494]  ? vscnprintf+0x80/0x80
[  253.903200][ T5494]  gfs2_fill_super+0x128d/0x1f50
[  253.908240][ T5494]  ? gfs2_reconfigure+0xcd0/0xcd0
[  253.913512][ T5494]  ? preempt_count_add+0x8d/0x190
[  253.918606][ T5494]  ? sb_set_blocksize+0xa5/0xe0
[  253.923528][ T5494]  get_tree_bdev+0x3f1/0x610
[  253.928188][ T5494]  ? gfs2_reconfigure+0xcd0/0xcd0
[  253.933195][ T5494]  gfs2_get_tree+0x4d/0x1e0
[  253.937691][ T5494]  vfs_get_tree+0x88/0x270
[  253.942196][ T5494]  do_new_mount+0x24a/0xa40
[  253.946798][ T5494]  __se_sys_mount+0x2d6/0x3c0
[  253.951730][ T5494]  ? __x64_sys_mount+0xc0/0xc0
[  253.956488][ T5494]  ? lockdep_hardirqs_on+0x94/0x140
[  253.961667][ T5494]  ? __x64_sys_mount+0x1c/0xc0
[  253.966503][ T5494]  do_syscall_64+0x4c/0xa0
[  253.970895][ T5494]  ? clear_bhb_loop+0x30/0x80
[  253.975553][ T5494]  ? clear_bhb_loop+0x30/0x80
[  253.980556][ T5494]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  253.986522][ T5494] RIP: 0033:0x7f651f37a38a
[  253.990926][ T5494] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  254.011335][ T5494] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.019936][ T5494] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  254.028064][ T5494] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  254.036379][ T5494] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  254.044515][ T5494] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  254.052489][ T5494] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  254.060727][ T5494]  </TASK>
[  254.064236][ T5494] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.077567][ T5494] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/22 10:31:42 executed programs: 203
[  254.406032][ T5496] loop1: detected capacity change from 0 to 32768
[  254.474361][ T5496] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.481951][ T5496] CPU: 0 PID: 5496 Comm: syz.1.218 Not tainted syzkaller #0
[  254.489253][ T5496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  254.499454][ T5496] Call Trace:
[  254.502831][ T5496]  <TASK>
[  254.505944][ T5496]  dump_stack_lvl+0x168/0x230
[  254.510656][ T5496]  ? show_regs_print_info+0x20/0x20
[  254.515867][ T5496]  ? load_image+0x3b0/0x3b0
[  254.520394][ T5496]  sysfs_create_dir_ns+0x252/0x280
[  254.525634][ T5496]  ? __lock_acquire+0x7c60/0x7c60
[  254.530686][ T5496]  ? sysfs_warn_dup+0xa0/0xa0
[  254.535439][ T5496]  ? do_raw_spin_unlock+0x11d/0x230
[  254.540658][ T5496]  kobject_add_internal+0x662/0xd00
[  254.545881][ T5496]  kobject_init_and_add+0x122/0x190
[  254.551092][ T5496]  ? lockdep_softirqs_off+0x420/0x420
[  254.556479][ T5496]  ? kobject_add+0x210/0x210
[  254.561168][ T5496]  ? __init_swait_queue_head+0xa5/0x150
[  254.566720][ T5496]  gfs2_sys_fs_add+0x234/0x480
[  254.571485][ T5496]  ? gfs2_recover_set+0x240/0x240
[  254.576499][ T5496]  ? snprintf+0xd7/0x120
[  254.580813][ T5496]  ? __free_pages+0x95/0x1a0
[  254.585517][ T5496]  ? vscnprintf+0x80/0x80
[  254.589923][ T5496]  gfs2_fill_super+0x128d/0x1f50
[  254.595037][ T5496]  ? gfs2_reconfigure+0xcd0/0xcd0
[  254.600136][ T5496]  ? preempt_count_add+0x8d/0x190
[  254.605163][ T5496]  ? sb_set_blocksize+0xa5/0xe0
[  254.610000][ T5496]  get_tree_bdev+0x3f1/0x610
[  254.614687][ T5496]  ? gfs2_reconfigure+0xcd0/0xcd0
[  254.619951][ T5496]  gfs2_get_tree+0x4d/0x1e0
[  254.624450][ T5496]  vfs_get_tree+0x88/0x270
[  254.629054][ T5496]  do_new_mount+0x24a/0xa40
[  254.633651][ T5496]  __se_sys_mount+0x2d6/0x3c0
[  254.638404][ T5496]  ? __x64_sys_mount+0xc0/0xc0
[  254.643156][ T5496]  ? lockdep_hardirqs_on+0x94/0x140
[  254.648406][ T5496]  ? __x64_sys_mount+0x1c/0xc0
[  254.653184][ T5496]  do_syscall_64+0x4c/0xa0
[  254.657766][ T5496]  ? clear_bhb_loop+0x30/0x80
[  254.662473][ T5496]  ? clear_bhb_loop+0x30/0x80
[  254.667223][ T5496]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  254.673186][ T5496] RIP: 0033:0x7f651f37a38a
[  254.677703][ T5496] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  254.697843][ T5496] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.706607][ T5496] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  254.714666][ T5496] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  254.722858][ T5496] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  254.731092][ T5496] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  254.739313][ T5496] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  254.747406][ T5496]  </TASK>
[  254.752364][ T5496] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.765948][ T5496] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.073495][ T5498] loop1: detected capacity change from 0 to 32768
[  255.126387][ T5498] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.133993][ T5498] CPU: 1 PID: 5498 Comm: syz.1.219 Not tainted syzkaller #0
[  255.141384][ T5498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  255.151460][ T5498] Call Trace:
[  255.154857][ T5498]  <TASK>
[  255.157887][ T5498]  dump_stack_lvl+0x168/0x230
[  255.162595][ T5498]  ? show_regs_print_info+0x20/0x20
[  255.167839][ T5498]  ? load_image+0x3b0/0x3b0
[  255.172378][ T5498]  sysfs_create_dir_ns+0x252/0x280
[  255.177509][ T5498]  ? __lock_acquire+0x7c60/0x7c60
[  255.182551][ T5498]  ? sysfs_warn_dup+0xa0/0xa0
[  255.187269][ T5498]  ? do_raw_spin_unlock+0x11d/0x230
[  255.192486][ T5498]  kobject_add_internal+0x662/0xd00
[  255.197701][ T5498]  kobject_init_and_add+0x122/0x190
[  255.202907][ T5498]  ? lockdep_softirqs_off+0x420/0x420
[  255.208366][ T5498]  ? kobject_add+0x210/0x210
[  255.213173][ T5498]  ? __init_swait_queue_head+0xa5/0x150
[  255.218765][ T5498]  gfs2_sys_fs_add+0x234/0x480
[  255.223630][ T5498]  ? gfs2_recover_set+0x240/0x240
[  255.228648][ T5498]  ? snprintf+0xd7/0x120
[  255.232898][ T5498]  ? __free_pages+0x95/0x1a0
[  255.237488][ T5498]  ? vscnprintf+0x80/0x80
[  255.242202][ T5498]  gfs2_fill_super+0x128d/0x1f50
[  255.247161][ T5498]  ? gfs2_reconfigure+0xcd0/0xcd0
[  255.252328][ T5498]  ? preempt_count_add+0x8d/0x190
[  255.257345][ T5498]  ? sb_set_blocksize+0xa5/0xe0
[  255.262313][ T5498]  get_tree_bdev+0x3f1/0x610
[  255.267104][ T5498]  ? gfs2_reconfigure+0xcd0/0xcd0
[  255.272132][ T5498]  gfs2_get_tree+0x4d/0x1e0
[  255.276849][ T5498]  vfs_get_tree+0x88/0x270
[  255.281440][ T5498]  do_new_mount+0x24a/0xa40
[  255.285964][ T5498]  __se_sys_mount+0x2d6/0x3c0
[  255.290775][ T5498]  ? __x64_sys_mount+0xc0/0xc0
[  255.295618][ T5498]  ? lockdep_hardirqs_on+0x94/0x140
[  255.300805][ T5498]  ? __x64_sys_mount+0x1c/0xc0
[  255.305585][ T5498]  do_syscall_64+0x4c/0xa0
[  255.310172][ T5498]  ? clear_bhb_loop+0x30/0x80
[  255.315004][ T5498]  ? clear_bhb_loop+0x30/0x80
[  255.319676][ T5498]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  255.325649][ T5498] RIP: 0033:0x7f651f37a38a
[  255.330382][ T5498] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  255.350673][ T5498] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.359187][ T5498] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  255.367147][ T5498] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  255.375106][ T5498] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  255.383153][ T5498] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  255.391202][ T5498] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  255.399179][ T5498]  </TASK>
[  255.406780][ T5498] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.421642][ T5498] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.690644][ T1421] ieee802154 phy0 wpan0: encryption failed: -22
[  255.697017][ T1421] ieee802154 phy1 wpan1: encryption failed: -22
[  255.755424][ T5500] loop1: detected capacity change from 0 to 32768
[  255.817647][ T5500] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.825752][ T5500] CPU: 0 PID: 5500 Comm: syz.1.220 Not tainted syzkaller #0
[  255.833064][ T5500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  255.843194][ T5500] Call Trace:
[  255.846742][ T5500]  <TASK>
[  255.849682][ T5500]  dump_stack_lvl+0x168/0x230
[  255.854479][ T5500]  ? show_regs_print_info+0x20/0x20
[  255.859708][ T5500]  ? load_image+0x3b0/0x3b0
[  255.864251][ T5500]  sysfs_create_dir_ns+0x252/0x280
[  255.869386][ T5500]  ? __lock_acquire+0x7c60/0x7c60
[  255.874455][ T5500]  ? sysfs_warn_dup+0xa0/0xa0
[  255.879249][ T5500]  ? do_raw_spin_unlock+0x11d/0x230
[  255.884461][ T5500]  kobject_add_internal+0x662/0xd00
[  255.890095][ T5500]  kobject_init_and_add+0x122/0x190
[  255.895336][ T5500]  ? lockdep_softirqs_off+0x420/0x420
[  255.900724][ T5500]  ? kobject_add+0x210/0x210
[  255.905410][ T5500]  ? __init_swait_queue_head+0xa5/0x150
[  255.911078][ T5500]  gfs2_sys_fs_add+0x234/0x480
[  255.915863][ T5500]  ? gfs2_recover_set+0x240/0x240
[  255.920890][ T5500]  ? snprintf+0xd7/0x120
[  255.925121][ T5500]  ? __free_pages+0x95/0x1a0
[  255.929962][ T5500]  ? vscnprintf+0x80/0x80
[  255.934411][ T5500]  gfs2_fill_super+0x128d/0x1f50
[  255.939528][ T5500]  ? gfs2_reconfigure+0xcd0/0xcd0
[  255.944561][ T5500]  ? preempt_count_add+0x8d/0x190
[  255.949576][ T5500]  ? sb_set_blocksize+0xa5/0xe0
[  255.954426][ T5500]  get_tree_bdev+0x3f1/0x610
[  255.958995][ T5500]  ? gfs2_reconfigure+0xcd0/0xcd0
[  255.964252][ T5500]  gfs2_get_tree+0x4d/0x1e0
[  255.968770][ T5500]  vfs_get_tree+0x88/0x270
[  255.973282][ T5500]  do_new_mount+0x24a/0xa40
[  255.977779][ T5500]  __se_sys_mount+0x2d6/0x3c0
[  255.982619][ T5500]  ? __x64_sys_mount+0xc0/0xc0
[  255.987384][ T5500]  ? lockdep_hardirqs_on+0x94/0x140
[  255.992729][ T5500]  ? __x64_sys_mount+0x1c/0xc0
[  255.997513][ T5500]  do_syscall_64+0x4c/0xa0
[  256.001923][ T5500]  ? clear_bhb_loop+0x30/0x80
[  256.006673][ T5500]  ? clear_bhb_loop+0x30/0x80
[  256.011524][ T5500]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  256.017641][ T5500] RIP: 0033:0x7f651f37a38a
[  256.022163][ T5500] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  256.041773][ T5500] RSP: 002b:00007f651e9e7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.050439][ T5500] RAX: ffffffffffffffda RBX: 00007f651e9e7ef0 RCX: 00007f651f37a38a
[  256.058597][ T5500] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f651e9e7eb0
[  256.066783][ T5500] RBP: 0000200000000400 R08: 00007f651e9e7ef0 R09: 0000000000000000
[  256.074743][ T5500] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  256.082890][ T5500] R13: 00007f651e9e7eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  256.090948][ T5500]  </TASK>
[  256.096362][ T5500] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.109707][ T5500] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  256.337970][   T27] INFO: task syz.0.17:5060 blocked for more than 143 seconds.
[  256.345701][   T27]       Not tainted syzkaller #0
[  256.354035][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  256.363174][   T27] task:syz.0.17        state:D stack:24208 pid: 5060 ppid:  4869 flags:0x00004004
[  256.374926][   T27] Call Trace:
[  256.378518][   T27]  <TASK>
[  256.381469][   T27]  __schedule+0x11bb/0x4390
[  256.386009][   T27]  ? mark_lock+0x94/0x320
[  256.392787][   T27]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[  256.399107][   T27]  ? lock_chain_count+0x20/0x20
[  256.404069][   T27]  ? release_firmware_map_entry+0x190/0x190
[  256.412414][   T27]  ? _raw_spin_lock_irqsave+0xb0/0xf0
[  256.419294][   T27]  ? _raw_spin_unlock_irqrestore+0x82/0x100
[  256.425306][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  256.432967][   T27]  ? _raw_spin_unlock_irqrestore+0xaa/0x100
[  256.439940][   T27]  schedule+0x11b/0x1e0
[  256.444178][   T27]  bit_wait+0xd/0xc0
[  256.450429][   T27]  out_of_line_wait_on_bit+0x15e/0x200
[  256.456000][   T27]  ? out_of_line_wait_on_bit_lock+0x160/0x160
[  256.460249][ T5502] loop1: detected capacity change from 0 to 32768
[  256.462620][   T27]  ? __wait_on_bit+0x170/0x170
[  256.473507][   T27]  ? bit_waitqueue+0x30/0x30
[  256.478371][   T27]  gfs2_glock_wait+0xd9/0x1c0
[  256.483086][   T27]  gfs2_statfs_init+0xf9/0x490
[  256.488305][   T27]  ? gfs2_glock_wait+0x136/0x1c0
[  256.493361][   T27]  ? gfs2_statfs_change_out+0xe0/0xe0
[  256.499213][   T27]  ? init_per_node+0x2be/0x3d0
[  256.504000][   T27]  ? gfs2_statfs_init+0xf1/0x490
[  256.509130][   T27]  ? init_inodes+0x26a/0x320
[  256.513722][   T27]  gfs2_fill_super+0x1749/0x1f50
[  256.518753][   T27]  ? gfs2_reconfigure+0xcd0/0xcd0
[  256.523913][   T27]  ? gfs2_glock_nq_num+0x82/0x1b0
[  256.529039][   T27]  ? preempt_count_add+0x8d/0x190
[  256.534172][   T27]  ? sb_set_blocksize+0xa5/0xe0
[  256.539197][   T27]  get_tree_bdev+0x3f1/0x610
[  256.543963][   T27]  ? gfs2_reconfigure+0xcd0/0xcd0
[  256.549176][   T27]  gfs2_get_tree+0x4d/0x1e0
[  256.553700][   T27]  vfs_get_tree+0x88/0x270
[  256.558284][   T27]  do_new_mount+0x24a/0xa40
[  256.562897][   T27]  __se_sys_mount+0x2d6/0x3c0
[  256.567567][   T27]  ? __x64_sys_mount+0xc0/0xc0
[  256.572607][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  256.577861][   T27]  ? __x64_sys_mount+0x1c/0xc0
[  256.582712][   T27]  do_syscall_64+0x4c/0xa0
[  256.587128][   T27]  ? clear_bhb_loop+0x30/0x80
[  256.591890][   T27]  ? clear_bhb_loop+0x30/0x80
[  256.596746][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  256.602795][   T27] RIP: 0033:0x7f83327e738a
[  256.608235][   T27] RSP: 002b:00007f8331e54e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.616762][   T27] RAX: ffffffffffffffda RBX: 00007f8331e54ef0 RCX: 00007f83327e738a
[  256.625288][   T27] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f8331e54eb0
[  256.633351][   T27] RBP: 0000200000000400 R08: 00007f8331e54ef0 R09: 0000000000000000
[  256.641674][   T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  256.649963][   T27] R13: 00007f8331e54eb0 R14: 00000000000125e1 R15: 00002000000000c0
[  256.658219][   T27]  </TASK>
[  256.661272][   T27] 
[  256.661272][   T27] Showing all locks held in the system:
[  256.669243][   T27] 1 lock held by khungtaskd/27:
[  256.674239][   T27]  #0: ffffffff8c11c760 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[  256.684473][   T27] 1 lock held by udevd/3560:
[  256.689504][   T27]  #0: ffff888020056118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x157/0xa60
[  256.699686][   T27] 2 locks held by getty/3946:
[  256.704456][   T27]  #0: ffff88802bdcc098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[  256.714337][   T27]  #1: ffffc900026562e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ba/0x1a30
[  256.724525][   T27] 1 lock held by syz.0.17/5060:
[  256.729516][   T27]  #0: ffff888078e6e0e0 (&type->s_umount_key#53/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950
[  256.739887][   T27] 1 lock held by udevd/5067:
[  256.744495][   T27]  #0: ffff888020056118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x157/0xa60
[  256.754716][   T27] 2 locks held by syz.1.221/5502:
[  256.759831][   T27]  #0: ffff888020056118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0
[  256.769485][   T27]  #1: ffff888147a8c468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[  256.778765][   T27] 
[  256.781252][   T27] =============================================
[  256.781252][   T27] 
[  256.790046][   T27] NMI backtrace for cpu 1
[  256.794487][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  256.801867][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  256.812086][   T27] Call Trace:
[  256.815528][   T27]  <TASK>
[  256.818629][   T27]  dump_stack_lvl+0x168/0x230
[  256.823396][   T27]  ? show_regs_print_info+0x20/0x20
[  256.828587][   T27]  ? load_image+0x3b0/0x3b0
[  256.833208][   T27]  ? nmi_cpu_backtrace+0x1b6/0x3d0
[  256.838739][   T27]  nmi_cpu_backtrace+0x397/0x3d0
[  256.843694][   T27]  ? nmi_trigger_cpumask_backtrace+0x280/0x280
[  256.849949][   T27]  ? _printk+0xcc/0x110
[  256.854136][   T27]  ? load_image+0x3b0/0x3b0
[  256.858906][   T27]  ? load_image+0x3b0/0x3b0
[  256.863658][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  256.869729][   T27]  nmi_trigger_cpumask_backtrace+0x163/0x280
[  256.875798][   T27]  watchdog+0xe0f/0xe50
[  256.879970][   T27]  kthread+0x436/0x520
[  256.884037][   T27]  ? hungtask_pm_notify+0x40/0x40
[  256.889227][   T27]  ? kthread_blkcg+0xd0/0xd0
[  256.894368][   T27]  ret_from_fork+0x1f/0x30
[  256.898794][   T27]  </TASK>
[  256.902065][   T27] Sending NMI from CPU 1 to CPUs 0:
[  256.907475][    C0] NMI backtrace for cpu 0 skipped: idling at default_idle+0xb/0x10
[  256.908891][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  256.923610][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  256.930807][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  256.941201][   T27] Call Trace:
[  256.944468][   T27]  <TASK>
[  256.947384][   T27]  dump_stack_lvl+0x168/0x230
[  256.952060][   T27]  ? show_regs_print_info+0x20/0x20
[  256.957337][   T27]  ? load_image+0x3b0/0x3b0
[  256.961840][   T27]  panic+0x2c9/0x7f0
[  256.965725][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  256.971735][   T27]  ? bpf_jit_dump+0xd0/0xd0
[  256.976347][   T27]  ? __irq_work_queue_local+0x12c/0x190
[  256.981908][   T27]  ? nmi_trigger_cpumask_backtrace+0x260/0x280
[  256.988058][   T27]  watchdog+0xe4e/0xe50
[  256.992360][   T27]  kthread+0x436/0x520
[  256.996512][   T27]  ? hungtask_pm_notify+0x40/0x40
[  257.001518][   T27]  ? kthread_blkcg+0xd0/0xd0
[  257.006087][   T27]  ret_from_fork+0x1f/0x30
[  257.010563][   T27]  </TASK>
[  257.014210][   T27] Kernel Offset: disabled
[  257.018572][   T27] Rebooting in 86400 seconds..