224][ T7120]  ? sb_set_blocksize+0x155/0x240
[  234.944249][ T7120]  ? setup_bdev_super+0x4c1/0x5b0
[  234.944273][ T7120]  get_tree_bdev_flags+0x431/0x4f0
[  234.944294][ T7120]  ? __pfx_gfs2_fill_super+0x10/0x10
[  234.944315][ T7120]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  234.944354][ T7120]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  234.944385][ T7120]  gfs2_get_tree+0x51/0x1e0
[  234.944414][ T7120]  vfs_get_tree+0x92/0x2a0
[  234.944435][ T7120]  do_new_mount+0x341/0xd30
[  234.944458][ T7120]  ? apparmor_capable+0x126/0x170
[  234.944485][ T7120]  ? __pfx_do_new_mount+0x10/0x10
[  234.944509][ T7120]  ? ns_capable+0x89/0xe0
[  234.944539][ T7120]  ? user_path_at+0xd4/0x160
[  234.944558][ T7120]  __se_sys_mount+0x31d/0x420
[  234.944586][ T7120]  ? __pfx___se_sys_mount+0x10/0x10
[  234.944620][ T7120]  ? __x64_sys_mount+0x20/0xc0
[  234.944643][ T7120]  do_syscall_64+0x14d/0xf80
[  234.944662][ T7120]  ? trace_irq_disable+0x3b/0x150
[  234.944676][ T7120]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  234.944694][ T7120]  ? clear_bhb_loop+0x40/0x90
[  234.944715][ T7120]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  234.944732][ T7120] RIP: 0033:0x7f4e25f9b60a
[  234.944751][ T7120] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  234.944766][ T7120] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  234.944786][ T7120] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  234.944799][ T7120] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  234.944813][ T7120] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  234.944826][ T7120] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  234.944837][ T7120] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  234.944863][ T7120]  </TASK>
[  234.944888][ T7120] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  235.253996][ T7120] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  235.587286][ T7126] loop1: detected capacity change from 0 to 32768
[  235.610783][ T7126] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  235.618547][ T7126] CPU: 0 UID: 0 PID: 7126 Comm: syz.1.163 Not tainted syzkaller #0 PREEMPT(full) 
[  235.618572][ T7126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  235.618583][ T7126] Call Trace:
[  235.618591][ T7126]  <TASK>
[  235.618600][ T7126]  dump_stack_lvl+0xe8/0x150
[  235.618630][ T7126]  sysfs_create_dir_ns+0x271/0x2a0
[  235.618657][ T7126]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  235.618683][ T7126]  ? do_raw_spin_unlock+0xf5/0x210
[  235.618707][ T7126]  kobject_add_internal+0x62b/0xd00
[  235.618740][ T7126]  kobject_init_and_add+0x12b/0x1a0
[  235.618770][ T7126]  ? __pfx_kobject_init_and_add+0x10/0x10
[  235.618796][ T7126]  ? __raw_spin_lock_init+0x45/0x100
[  235.618818][ T7126]  ? __init_swait_queue_head+0xa9/0x150
[  235.618841][ T7126]  gfs2_sys_fs_add+0x257/0x480
[  235.618865][ T7126]  ? is_dynamic_key+0x1ac/0x1c0
[  235.618888][ T7126]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  235.618922][ T7126]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  235.618955][ T7126]  gfs2_fill_super+0x13a7/0x21d0
[  235.618990][ T7126]  ? __pfx_gfs2_fill_super+0x10/0x10
[  235.619016][ T7126]  ? sb_set_blocksize+0x155/0x240
[  235.619040][ T7126]  ? setup_bdev_super+0x4c1/0x5b0
[  235.619063][ T7126]  get_tree_bdev_flags+0x431/0x4f0
[  235.619082][ T7126]  ? __pfx_gfs2_fill_super+0x10/0x10
[  235.619102][ T7126]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  235.619119][ T7126]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  235.619147][ T7126]  gfs2_get_tree+0x51/0x1e0
[  235.619178][ T7126]  vfs_get_tree+0x92/0x2a0
[  235.619200][ T7126]  do_new_mount+0x341/0xd30
[  235.619222][ T7126]  ? apparmor_capable+0x126/0x170
[  235.619247][ T7126]  ? __pfx_do_new_mount+0x10/0x10
[  235.619270][ T7126]  ? ns_capable+0x89/0xe0
[  235.619302][ T7126]  ? user_path_at+0xd4/0x160
[  235.619322][ T7126]  __se_sys_mount+0x31d/0x420
[  235.619352][ T7126]  ? __pfx___se_sys_mount+0x10/0x10
[  235.619382][ T7126]  ? __x64_sys_mount+0x20/0xc0
[  235.619407][ T7126]  do_syscall_64+0x14d/0xf80
[  235.619429][ T7126]  ? trace_irq_disable+0x3b/0x150
[  235.619444][ T7126]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  235.619463][ T7126]  ? clear_bhb_loop+0x40/0x90
[  235.619484][ T7126]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  235.619502][ T7126] RIP: 0033:0x7f4e25f9b60a
[  235.619520][ T7126] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  235.619534][ T7126] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.619554][ T7126] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  235.619567][ T7126] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  235.619580][ T7126] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  235.619592][ T7126] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  235.619603][ T7126] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  235.619632][ T7126]  </TASK>
[  235.619657][ T7126] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  235.923106][ T7126] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  236.234321][ T7132] loop1: detected capacity change from 0 to 32768
[  236.251540][ T7132] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  236.262444][ T7132] CPU: 1 UID: 0 PID: 7132 Comm: syz.1.164 Not tainted syzkaller #0 PREEMPT(full) 
[  236.262469][ T7132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  236.262481][ T7132] Call Trace:
[  236.262488][ T7132]  <TASK>
[  236.262497][ T7132]  dump_stack_lvl+0xe8/0x150
[  236.262529][ T7132]  sysfs_create_dir_ns+0x271/0x2a0
[  236.262556][ T7132]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  236.262580][ T7132]  ? do_raw_spin_unlock+0xf5/0x210
[  236.262605][ T7132]  kobject_add_internal+0x62b/0xd00
[  236.262636][ T7132]  kobject_init_and_add+0x12b/0x1a0
[  236.262665][ T7132]  ? __pfx_kobject_init_and_add+0x10/0x10
[  236.262692][ T7132]  ? __raw_spin_lock_init+0x45/0x100
[  236.262712][ T7132]  ? __init_swait_queue_head+0xa9/0x150
[  236.262734][ T7132]  gfs2_sys_fs_add+0x257/0x480
[  236.262759][ T7132]  ? is_dynamic_key+0x1ac/0x1c0
[  236.262782][ T7132]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  236.262815][ T7132]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  236.262847][ T7132]  gfs2_fill_super+0x13a7/0x21d0
[  236.262882][ T7132]  ? __pfx_gfs2_fill_super+0x10/0x10
[  236.262905][ T7132]  ? sb_set_blocksize+0x155/0x240
[  236.262930][ T7132]  ? setup_bdev_super+0x4c1/0x5b0
[  236.262954][ T7132]  get_tree_bdev_flags+0x431/0x4f0
[  236.262975][ T7132]  ? __pfx_gfs2_fill_super+0x10/0x10
[  236.262996][ T7132]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  236.263014][ T7132]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  236.263042][ T7132]  gfs2_get_tree+0x51/0x1e0
[  236.263066][ T7132]  vfs_get_tree+0x92/0x2a0
[  236.263087][ T7132]  do_new_mount+0x341/0xd30
[  236.263125][ T7132]  ? apparmor_capable+0x126/0x170
[  236.263156][ T7132]  ? __pfx_do_new_mount+0x10/0x10
[  236.263180][ T7132]  ? ns_capable+0x89/0xe0
[  236.263210][ T7132]  ? user_path_at+0xd4/0x160
[  236.263231][ T7132]  __se_sys_mount+0x31d/0x420
[  236.263261][ T7132]  ? __pfx___se_sys_mount+0x10/0x10
[  236.263292][ T7132]  ? __x64_sys_mount+0x20/0xc0
[  236.263318][ T7132]  do_syscall_64+0x14d/0xf80
[  236.263340][ T7132]  ? trace_irq_disable+0x3b/0x150
[  236.263355][ T7132]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  236.263373][ T7132]  ? clear_bhb_loop+0x40/0x90
[  236.263394][ T7132]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  236.263412][ T7132] RIP: 0033:0x7f4e25f9b60a
[  236.263430][ T7132] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  236.263445][ T7132] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  236.263464][ T7132] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  236.263478][ T7132] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  236.263495][ T7132] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  236.263507][ T7132] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  236.263518][ T7132] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  236.263546][ T7132]  </TASK>
[  236.263572][ T7132] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  236.568159][ T7132] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  236.880573][ T7137] loop1: detected capacity change from 0 to 32768
[  236.902342][ T7137] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  236.910183][ T7137] CPU: 1 UID: 0 PID: 7137 Comm: syz.1.165 Not tainted syzkaller #0 PREEMPT(full) 
[  236.910207][ T7137] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  236.910218][ T7137] Call Trace:
[  236.910225][ T7137]  <TASK>
[  236.910232][ T7137]  dump_stack_lvl+0xe8/0x150
[  236.910261][ T7137]  sysfs_create_dir_ns+0x271/0x2a0
[  236.910286][ T7137]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  236.910312][ T7137]  ? do_raw_spin_unlock+0xf5/0x210
[  236.910334][ T7137]  kobject_add_internal+0x62b/0xd00
[  236.910363][ T7137]  kobject_init_and_add+0x12b/0x1a0
[  236.910389][ T7137]  ? __pfx_kobject_init_and_add+0x10/0x10
[  236.910414][ T7137]  ? __raw_spin_lock_init+0x45/0x100
[  236.910433][ T7137]  ? __init_swait_queue_head+0xa9/0x150
[  236.910456][ T7137]  gfs2_sys_fs_add+0x257/0x480
[  236.910481][ T7137]  ? is_dynamic_key+0x1ac/0x1c0
[  236.910503][ T7137]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  236.910535][ T7137]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  236.910564][ T7137]  gfs2_fill_super+0x13a7/0x21d0
[  236.910598][ T7137]  ? __pfx_gfs2_fill_super+0x10/0x10
[  236.910622][ T7137]  ? sb_set_blocksize+0x155/0x240
[  236.910644][ T7137]  ? setup_bdev_super+0x4c1/0x5b0
[  236.910665][ T7137]  get_tree_bdev_flags+0x431/0x4f0
[  236.910682][ T7137]  ? __pfx_gfs2_fill_super+0x10/0x10
[  236.910701][ T7137]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  236.910717][ T7137]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  236.910743][ T7137]  gfs2_get_tree+0x51/0x1e0
[  236.910765][ T7137]  vfs_get_tree+0x92/0x2a0
[  236.910786][ T7137]  do_new_mount+0x341/0xd30
[  236.910808][ T7137]  ? apparmor_capable+0x126/0x170
[  236.910833][ T7137]  ? __pfx_do_new_mount+0x10/0x10
[  236.910855][ T7137]  ? ns_capable+0x89/0xe0
[  236.910892][ T7137]  ? user_path_at+0xd4/0x160
[  236.910911][ T7137]  __se_sys_mount+0x31d/0x420
[  236.910939][ T7137]  ? __pfx___se_sys_mount+0x10/0x10
[  236.910969][ T7137]  ? __x64_sys_mount+0x20/0xc0
[  236.910994][ T7137]  do_syscall_64+0x14d/0xf80
[  236.911014][ T7137]  ? trace_irq_disable+0x3b/0x150
[  236.911029][ T7137]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  236.911047][ T7137]  ? clear_bhb_loop+0x40/0x90
[  236.911069][ T7137]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  236.911087][ T7137] RIP: 0033:0x7f4e25f9b60a
[  236.911106][ T7137] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  236.911121][ T7137] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  236.911141][ T7137] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  236.911154][ T7137] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  236.911175][ T7137] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  236.911187][ T7137] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  236.911197][ T7137] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  236.911225][ T7137]  </TASK>
[  236.911280][ T7137] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  237.213302][ T7137] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  237.524531][ T7141] loop1: detected capacity change from 0 to 32768
[  237.540537][ T7141] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  237.548219][ T7141] CPU: 1 UID: 0 PID: 7141 Comm: syz.1.166 Not tainted syzkaller #0 PREEMPT(full) 
[  237.548245][ T7141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  237.548264][ T7141] Call Trace:
[  237.548273][ T7141]  <TASK>
[  237.548281][ T7141]  dump_stack_lvl+0xe8/0x150
[  237.548313][ T7141]  sysfs_create_dir_ns+0x271/0x2a0
[  237.548341][ T7141]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  237.548367][ T7141]  ? do_raw_spin_unlock+0xf5/0x210
[  237.548391][ T7141]  kobject_add_internal+0x62b/0xd00
[  237.548425][ T7141]  kobject_init_and_add+0x12b/0x1a0
[  237.548455][ T7141]  ? __pfx_kobject_init_and_add+0x10/0x10
[  237.548482][ T7141]  ? __raw_spin_lock_init+0x45/0x100
[  237.548503][ T7141]  ? __init_swait_queue_head+0xa9/0x150
[  237.548527][ T7141]  gfs2_sys_fs_add+0x257/0x480
[  237.548551][ T7141]  ? is_dynamic_key+0x1ac/0x1c0
[  237.548579][ T7141]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  237.548613][ T7141]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  237.548643][ T7141]  gfs2_fill_super+0x13a7/0x21d0
[  237.548676][ T7141]  ? __pfx_gfs2_fill_super+0x10/0x10
[  237.548701][ T7141]  ? sb_set_blocksize+0x155/0x240
[  237.548723][ T7141]  ? setup_bdev_super+0x4c1/0x5b0
[  237.548742][ T7141]  get_tree_bdev_flags+0x431/0x4f0
[  237.548761][ T7141]  ? __pfx_gfs2_fill_super+0x10/0x10
[  237.548777][ T7141]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  237.548794][ T7141]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  237.548818][ T7141]  gfs2_get_tree+0x51/0x1e0
[  237.548838][ T7141]  vfs_get_tree+0x92/0x2a0
[  237.548856][ T7141]  do_new_mount+0x341/0xd30
[  237.548876][ T7141]  ? apparmor_capable+0x126/0x170
[  237.548901][ T7141]  ? __pfx_do_new_mount+0x10/0x10
[  237.548923][ T7141]  ? ns_capable+0x89/0xe0
[  237.548953][ T7141]  ? user_path_at+0xd4/0x160
[  237.548970][ T7141]  __se_sys_mount+0x31d/0x420
[  237.548996][ T7141]  ? __pfx___se_sys_mount+0x10/0x10
[  237.549024][ T7141]  ? __x64_sys_mount+0x20/0xc0
[  237.549049][ T7141]  do_syscall_64+0x14d/0xf80
[  237.549071][ T7141]  ? trace_irq_disable+0x3b/0x150
[  237.549088][ T7141]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  237.549105][ T7141]  ? clear_bhb_loop+0x40/0x90
[  237.549125][ T7141]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  237.549142][ T7141] RIP: 0033:0x7f4e25f9b60a
[  237.549159][ T7141] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  237.549172][ T7141] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  237.549191][ T7141] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  237.549203][ T7141] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  237.549214][ T7141] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  237.549225][ T7141] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  237.549236][ T7141] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  237.549269][ T7141]  </TASK>
[  237.549295][ T7141] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  237.852492][ T7141] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  238.154886][ T7145] loop1: detected capacity change from 0 to 32768
[  238.168797][ T7145] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  238.176192][ T7145] CPU: 1 UID: 0 PID: 7145 Comm: syz.1.167 Not tainted syzkaller #0 PREEMPT(full) 
[  238.176208][ T7145] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  238.176215][ T7145] Call Trace:
[  238.176221][ T7145]  <TASK>
[  238.176227][ T7145]  dump_stack_lvl+0xe8/0x150
[  238.176248][ T7145]  sysfs_create_dir_ns+0x271/0x2a0
[  238.176265][ T7145]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  238.176281][ T7145]  ? do_raw_spin_unlock+0xf5/0x210
[  238.176296][ T7145]  kobject_add_internal+0x62b/0xd00
[  238.176317][ T7145]  kobject_init_and_add+0x12b/0x1a0
[  238.176335][ T7145]  ? __pfx_kobject_init_and_add+0x10/0x10
[  238.176352][ T7145]  ? __raw_spin_lock_init+0x45/0x100
[  238.176364][ T7145]  ? __init_swait_queue_head+0xa9/0x150
[  238.176377][ T7145]  gfs2_sys_fs_add+0x257/0x480
[  238.176393][ T7145]  ? is_dynamic_key+0x1ac/0x1c0
[  238.176408][ T7145]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  238.176428][ T7145]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  238.176446][ T7145]  gfs2_fill_super+0x13a7/0x21d0
[  238.176467][ T7145]  ? __pfx_gfs2_fill_super+0x10/0x10
[  238.176482][ T7145]  ? sb_set_blocksize+0x155/0x240
[  238.176497][ T7145]  ? setup_bdev_super+0x4c1/0x5b0
[  238.176511][ T7145]  get_tree_bdev_flags+0x431/0x4f0
[  238.176523][ T7145]  ? __pfx_gfs2_fill_super+0x10/0x10
[  238.176535][ T7145]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  238.176546][ T7145]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  238.176562][ T7145]  gfs2_get_tree+0x51/0x1e0
[  238.176576][ T7145]  vfs_get_tree+0x92/0x2a0
[  238.176589][ T7145]  do_new_mount+0x341/0xd30
[  238.176604][ T7145]  ? apparmor_capable+0x126/0x170
[  238.176620][ T7145]  ? __pfx_do_new_mount+0x10/0x10
[  238.176634][ T7145]  ? ns_capable+0x89/0xe0
[  238.176657][ T7145]  ? user_path_at+0xd4/0x160
[  238.176669][ T7145]  __se_sys_mount+0x31d/0x420
[  238.176687][ T7145]  ? __pfx___se_sys_mount+0x10/0x10
[  238.176705][ T7145]  ? __x64_sys_mount+0x20/0xc0
[  238.176721][ T7145]  do_syscall_64+0x14d/0xf80
[  238.176735][ T7145]  ? trace_irq_disable+0x3b/0x150
[  238.176744][ T7145]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  238.176755][ T7145]  ? clear_bhb_loop+0x40/0x90
[  238.176768][ T7145]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  238.176779][ T7145] RIP: 0033:0x7f4e25f9b60a
[  238.176791][ T7145] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  238.176800][ T7145] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.176812][ T7145] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  238.176819][ T7145] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  238.176826][ T7145] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  238.176833][ T7145] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  238.176840][ T7145] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  238.176855][ T7145]  </TASK>
[  238.176873][ T7145] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  238.479085][ T7145] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  238.783235][ T7149] loop1: detected capacity change from 0 to 32768
[  238.796823][ T7149] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  238.805395][ T7149] CPU: 1 UID: 0 PID: 7149 Comm: syz.1.168 Not tainted syzkaller #0 PREEMPT(full) 
[  238.805420][ T7149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  238.805431][ T7149] Call Trace:
[  238.805439][ T7149]  <TASK>
[  238.805447][ T7149]  dump_stack_lvl+0xe8/0x150
[  238.805478][ T7149]  sysfs_create_dir_ns+0x271/0x2a0
[  238.805504][ T7149]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  238.805529][ T7149]  ? do_raw_spin_unlock+0xf5/0x210
[  238.805553][ T7149]  kobject_add_internal+0x62b/0xd00
[  238.805586][ T7149]  kobject_init_and_add+0x12b/0x1a0
[  238.805616][ T7149]  ? __pfx_kobject_init_and_add+0x10/0x10
[  238.805641][ T7149]  ? __raw_spin_lock_init+0x45/0x100
[  238.805661][ T7149]  ? __init_swait_queue_head+0xa9/0x150
[  238.805683][ T7149]  gfs2_sys_fs_add+0x257/0x480
[  238.805709][ T7149]  ? is_dynamic_key+0x1ac/0x1c0
[  238.805732][ T7149]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  238.805765][ T7149]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  238.805796][ T7149]  gfs2_fill_super+0x13a7/0x21d0
[  238.805832][ T7149]  ? __pfx_gfs2_fill_super+0x10/0x10
[  238.805856][ T7149]  ? sb_set_blocksize+0x155/0x240
[  238.805880][ T7149]  ? setup_bdev_super+0x4c1/0x5b0
[  238.805904][ T7149]  get_tree_bdev_flags+0x431/0x4f0
[  238.805924][ T7149]  ? __pfx_gfs2_fill_super+0x10/0x10
[  238.805944][ T7149]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  238.805973][ T7149]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  238.806001][ T7149]  gfs2_get_tree+0x51/0x1e0
[  238.806024][ T7149]  vfs_get_tree+0x92/0x2a0
[  238.806044][ T7149]  do_new_mount+0x341/0xd30
[  238.806066][ T7149]  ? apparmor_capable+0x126/0x170
[  238.806093][ T7149]  ? __pfx_do_new_mount+0x10/0x10
[  238.806117][ T7149]  ? ns_capable+0x89/0xe0
[  238.806151][ T7149]  ? user_path_at+0xd4/0x160
[  238.806170][ T7149]  __se_sys_mount+0x31d/0x420
[  238.806199][ T7149]  ? __pfx___se_sys_mount+0x10/0x10
[  238.806226][ T7149]  ? __x64_sys_mount+0x20/0xc0
[  238.806251][ T7149]  do_syscall_64+0x14d/0xf80
[  238.806271][ T7149]  ? trace_irq_disable+0x3b/0x150
[  238.806287][ T7149]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  238.806305][ T7149]  ? clear_bhb_loop+0x40/0x90
[  238.806327][ T7149]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  238.806345][ T7149] RIP: 0033:0x7f4e25f9b60a
[  238.806362][ T7149] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  238.806377][ T7149] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.806396][ T7149] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  238.806409][ T7149] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  238.806421][ T7149] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  238.806433][ T7149] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  238.806444][ T7149] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  238.806473][ T7149]  </TASK>
[  238.806498][ T7149] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  239.107280][ T7149] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  239.408553][ T7153] loop1: detected capacity change from 0 to 32768
[  239.420029][ T7153] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  239.427447][ T7153] CPU: 1 UID: 0 PID: 7153 Comm: syz.1.169 Not tainted syzkaller #0 PREEMPT(full) 
[  239.427494][ T7153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  239.427520][ T7153] Call Trace:
[  239.427534][ T7153]  <TASK>
[  239.427542][ T7153]  dump_stack_lvl+0xe8/0x150
[  239.427572][ T7153]  sysfs_create_dir_ns+0x271/0x2a0
[  239.427602][ T7153]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  239.427625][ T7153]  ? do_raw_spin_unlock+0xf5/0x210
[  239.427648][ T7153]  kobject_add_internal+0x62b/0xd00
[  239.427681][ T7153]  kobject_init_and_add+0x12b/0x1a0
[  239.427710][ T7153]  ? __pfx_kobject_init_and_add+0x10/0x10
[  239.427735][ T7153]  ? __raw_spin_lock_init+0x45/0x100
[  239.427756][ T7153]  ? __init_swait_queue_head+0xa9/0x150
[  239.427779][ T7153]  gfs2_sys_fs_add+0x257/0x480
[  239.427804][ T7153]  ? is_dynamic_key+0x1ac/0x1c0
[  239.427834][ T7153]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  239.427866][ T7153]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  239.427897][ T7153]  gfs2_fill_super+0x13a7/0x21d0
[  239.427986][ T7153]  ? __pfx_gfs2_fill_super+0x10/0x10
[  239.428013][ T7153]  ? sb_set_blocksize+0x155/0x240
[  239.428038][ T7153]  ? setup_bdev_super+0x4c1/0x5b0
[  239.428062][ T7153]  get_tree_bdev_flags+0x431/0x4f0
[  239.428082][ T7153]  ? __pfx_gfs2_fill_super+0x10/0x10
[  239.428103][ T7153]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  239.428121][ T7153]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  239.428147][ T7153]  gfs2_get_tree+0x51/0x1e0
[  239.428170][ T7153]  vfs_get_tree+0x92/0x2a0
[  239.428192][ T7153]  do_new_mount+0x341/0xd30
[  239.428213][ T7153]  ? apparmor_capable+0x126/0x170
[  239.428239][ T7153]  ? __pfx_do_new_mount+0x10/0x10
[  239.428261][ T7153]  ? ns_capable+0x89/0xe0
[  239.428294][ T7153]  ? user_path_at+0xd4/0x160
[  239.428314][ T7153]  __se_sys_mount+0x31d/0x420
[  239.428343][ T7153]  ? __pfx___se_sys_mount+0x10/0x10
[  239.428372][ T7153]  ? __x64_sys_mount+0x20/0xc0
[  239.428397][ T7153]  do_syscall_64+0x14d/0xf80
[  239.428420][ T7153]  ? trace_irq_disable+0x3b/0x150
[  239.428436][ T7153]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  239.428454][ T7153]  ? clear_bhb_loop+0x40/0x90
[  239.428476][ T7153]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  239.428494][ T7153] RIP: 0033:0x7f4e25f9b60a
[  239.428512][ T7153] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  239.428525][ T7153] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.428545][ T7153] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  239.428559][ T7153] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  239.428572][ T7153] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  239.428584][ T7153] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  239.428597][ T7153] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  239.428626][ T7153]  </TASK>
[  239.715962][ T7153] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  239.730594][ T7153] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/20 09:17:42 executed programs: 155
[  240.039267][ T7157] loop1: detected capacity change from 0 to 32768
[  240.062804][ T7157] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.070738][ T7157] CPU: 1 UID: 0 PID: 7157 Comm: syz.1.170 Not tainted syzkaller #0 PREEMPT(full) 
[  240.070765][ T7157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  240.070780][ T7157] Call Trace:
[  240.070787][ T7157]  <TASK>
[  240.070797][ T7157]  dump_stack_lvl+0xe8/0x150
[  240.070836][ T7157]  sysfs_create_dir_ns+0x271/0x2a0
[  240.070864][ T7157]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  240.070889][ T7157]  ? do_raw_spin_unlock+0xf5/0x210
[  240.070913][ T7157]  kobject_add_internal+0x62b/0xd00
[  240.070951][ T7157]  kobject_init_and_add+0x12b/0x1a0
[  240.070985][ T7157]  ? __pfx_kobject_init_and_add+0x10/0x10
[  240.071012][ T7157]  ? __raw_spin_lock_init+0x45/0x100
[  240.071032][ T7157]  ? __init_swait_queue_head+0xa9/0x150
[  240.071055][ T7157]  gfs2_sys_fs_add+0x257/0x480
[  240.071079][ T7157]  ? is_dynamic_key+0x1ac/0x1c0
[  240.071102][ T7157]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  240.071135][ T7157]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  240.071167][ T7157]  gfs2_fill_super+0x13a7/0x21d0
[  240.071203][ T7157]  ? __pfx_gfs2_fill_super+0x10/0x10
[  240.071228][ T7157]  ? sb_set_blocksize+0x155/0x240
[  240.071252][ T7157]  ? setup_bdev_super+0x4c1/0x5b0
[  240.071275][ T7157]  get_tree_bdev_flags+0x431/0x4f0
[  240.071294][ T7157]  ? __pfx_gfs2_fill_super+0x10/0x10
[  240.071314][ T7157]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  240.071332][ T7157]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  240.071360][ T7157]  gfs2_get_tree+0x51/0x1e0
[  240.071383][ T7157]  vfs_get_tree+0x92/0x2a0
[  240.071404][ T7157]  do_new_mount+0x341/0xd30
[  240.071426][ T7157]  ? apparmor_capable+0x126/0x170
[  240.071452][ T7157]  ? __pfx_do_new_mount+0x10/0x10
[  240.071475][ T7157]  ? ns_capable+0x89/0xe0
[  240.071507][ T7157]  ? user_path_at+0xd4/0x160
[  240.071527][ T7157]  __se_sys_mount+0x31d/0x420
[  240.071556][ T7157]  ? __pfx___se_sys_mount+0x10/0x10
[  240.071585][ T7157]  ? __x64_sys_mount+0x20/0xc0
[  240.071610][ T7157]  do_syscall_64+0x14d/0xf80
[  240.071632][ T7157]  ? trace_irq_disable+0x3b/0x150
[  240.071647][ T7157]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  240.071665][ T7157]  ? clear_bhb_loop+0x40/0x90
[  240.071686][ T7157]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  240.071708][ T7157] RIP: 0033:0x7f4e25f9b60a
[  240.071727][ T7157] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  240.071740][ T7157] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.071760][ T7157] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  240.071774][ T7157] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  240.071786][ T7157] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  240.071798][ T7157] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  240.071816][ T7157] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  240.071845][ T7157]  </TASK>
[  240.071899][ T7157] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  240.374607][ T7157] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  240.677012][ T7161] loop1: detected capacity change from 0 to 32768
[  240.689604][ T7161] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.697019][ T7161] CPU: 1 UID: 0 PID: 7161 Comm: syz.1.171 Not tainted syzkaller #0 PREEMPT(full) 
[  240.697035][ T7161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  240.697041][ T7161] Call Trace:
[  240.697047][ T7161]  <TASK>
[  240.697054][ T7161]  dump_stack_lvl+0xe8/0x150
[  240.697076][ T7161]  sysfs_create_dir_ns+0x271/0x2a0
[  240.697093][ T7161]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  240.697109][ T7161]  ? do_raw_spin_unlock+0xf5/0x210
[  240.697123][ T7161]  kobject_add_internal+0x62b/0xd00
[  240.697144][ T7161]  kobject_init_and_add+0x12b/0x1a0
[  240.697163][ T7161]  ? __pfx_kobject_init_and_add+0x10/0x10
[  240.697179][ T7161]  ? __raw_spin_lock_init+0x45/0x100
[  240.697191][ T7161]  ? __init_swait_queue_head+0xa9/0x150
[  240.697204][ T7161]  gfs2_sys_fs_add+0x257/0x480
[  240.697221][ T7161]  ? is_dynamic_key+0x1ac/0x1c0
[  240.697235][ T7161]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  240.697255][ T7161]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  240.697273][ T7161]  gfs2_fill_super+0x13a7/0x21d0
[  240.697294][ T7161]  ? __pfx_gfs2_fill_super+0x10/0x10
[  240.697309][ T7161]  ? sb_set_blocksize+0x155/0x240
[  240.697324][ T7161]  ? setup_bdev_super+0x4c1/0x5b0
[  240.697338][ T7161]  get_tree_bdev_flags+0x431/0x4f0
[  240.697350][ T7161]  ? __pfx_gfs2_fill_super+0x10/0x10
[  240.697363][ T7161]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  240.697373][ T7161]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  240.697389][ T7161]  gfs2_get_tree+0x51/0x1e0
[  240.697403][ T7161]  vfs_get_tree+0x92/0x2a0
[  240.697416][ T7161]  do_new_mount+0x341/0xd30
[  240.697430][ T7161]  ? apparmor_capable+0x126/0x170
[  240.697446][ T7161]  ? __pfx_do_new_mount+0x10/0x10
[  240.697461][ T7161]  ? ns_capable+0x89/0xe0
[  240.697480][ T7161]  ? user_path_at+0xd4/0x160
[  240.697492][ T7161]  __se_sys_mount+0x31d/0x420
[  240.697510][ T7161]  ? __pfx___se_sys_mount+0x10/0x10
[  240.697527][ T7161]  ? __x64_sys_mount+0x20/0xc0
[  240.697543][ T7161]  do_syscall_64+0x14d/0xf80
[  240.697557][ T7161]  ? trace_irq_disable+0x3b/0x150
[  240.697566][ T7161]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  240.697577][ T7161]  ? clear_bhb_loop+0x40/0x90
[  240.697599][ T7161]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  240.697614][ T7161] RIP: 0033:0x7f4e25f9b60a
[  240.697631][ T7161] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  240.697643][ T7161] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.697661][ T7161] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  240.697673][ T7161] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  240.697684][ T7161] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  240.697695][ T7161] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  240.697705][ T7161] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  240.697728][ T7161]  </TASK>
[  240.983544][ T7161] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  240.997970][ T7161] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  241.289517][ T7165] loop1: detected capacity change from 0 to 32768
[  241.302518][ T7165] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  241.310646][ T7165] CPU: 0 UID: 0 PID: 7165 Comm: syz.1.172 Not tainted syzkaller #0 PREEMPT(full) 
[  241.310670][ T7165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  241.310681][ T7165] Call Trace:
[  241.310689][ T7165]  <TASK>
[  241.310696][ T7165]  dump_stack_lvl+0xe8/0x150
[  241.310727][ T7165]  sysfs_create_dir_ns+0x271/0x2a0
[  241.310753][ T7165]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  241.310778][ T7165]  ? do_raw_spin_unlock+0xf5/0x210
[  241.310801][ T7165]  kobject_add_internal+0x62b/0xd00
[  241.310831][ T7165]  kobject_init_and_add+0x12b/0x1a0
[  241.310861][ T7165]  ? __pfx_kobject_init_and_add+0x10/0x10
[  241.310887][ T7165]  ? __raw_spin_lock_init+0x45/0x100
[  241.310908][ T7165]  ? __init_swait_queue_head+0xa9/0x150
[  241.310932][ T7165]  gfs2_sys_fs_add+0x257/0x480
[  241.310968][ T7165]  ? is_dynamic_key+0x1ac/0x1c0
[  241.310990][ T7165]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  241.311021][ T7165]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  241.311051][ T7165]  gfs2_fill_super+0x13a7/0x21d0
[  241.311084][ T7165]  ? __pfx_gfs2_fill_super+0x10/0x10
[  241.311108][ T7165]  ? sb_set_blocksize+0x155/0x240
[  241.311132][ T7165]  ? setup_bdev_super+0x4c1/0x5b0
[  241.311153][ T7165]  get_tree_bdev_flags+0x431/0x4f0
[  241.311172][ T7165]  ? __pfx_gfs2_fill_super+0x10/0x10
[  241.311187][ T7165]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  241.311198][ T7165]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  241.311214][ T7165]  gfs2_get_tree+0x51/0x1e0
[  241.311228][ T7165]  vfs_get_tree+0x92/0x2a0
[  241.311241][ T7165]  do_new_mount+0x341/0xd30
[  241.311255][ T7165]  ? apparmor_capable+0x126/0x170
[  241.311270][ T7165]  ? __pfx_do_new_mount+0x10/0x10
[  241.311285][ T7165]  ? ns_capable+0x89/0xe0
[  241.311304][ T7165]  ? user_path_at+0xd4/0x160
[  241.311316][ T7165]  __se_sys_mount+0x31d/0x420
[  241.311334][ T7165]  ? __pfx___se_sys_mount+0x10/0x10
[  241.311352][ T7165]  ? __x64_sys_mount+0x20/0xc0
[  241.311367][ T7165]  do_syscall_64+0x14d/0xf80
[  241.311381][ T7165]  ? trace_irq_disable+0x3b/0x150
[  241.311390][ T7165]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  241.311401][ T7165]  ? clear_bhb_loop+0x40/0x90
[  241.311414][ T7165]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  241.311424][ T7165] RIP: 0033:0x7f4e25f9b60a
[  241.311436][ T7165] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  241.311445][ T7165] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.311457][ T7165] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  241.311465][ T7165] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  241.311472][ T7165] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  241.311479][ T7165] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  241.311485][ T7165] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  241.311501][ T7165]  </TASK>
[  241.311631][ T7165] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  241.614091][ T7165] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  241.921725][ T7169] loop1: detected capacity change from 0 to 32768
[  241.934522][ T7169] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  241.942339][ T7169] CPU: 0 UID: 0 PID: 7169 Comm: syz.1.173 Not tainted syzkaller #0 PREEMPT(full) 
[  241.942362][ T7169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  241.942372][ T7169] Call Trace:
[  241.942380][ T7169]  <TASK>
[  241.942388][ T7169]  dump_stack_lvl+0xe8/0x150
[  241.942417][ T7169]  sysfs_create_dir_ns+0x271/0x2a0
[  241.942444][ T7169]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  241.942469][ T7169]  ? do_raw_spin_unlock+0xf5/0x210
[  241.942493][ T7169]  kobject_add_internal+0x62b/0xd00
[  241.942524][ T7169]  kobject_init_and_add+0x12b/0x1a0
[  241.942553][ T7169]  ? __pfx_kobject_init_and_add+0x10/0x10
[  241.942578][ T7169]  ? __raw_spin_lock_init+0x45/0x100
[  241.942597][ T7169]  ? __init_swait_queue_head+0xa9/0x150
[  241.942620][ T7169]  gfs2_sys_fs_add+0x257/0x480
[  241.942645][ T7169]  ? is_dynamic_key+0x1ac/0x1c0
[  241.942664][ T7169]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  241.942685][ T7169]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  241.942703][ T7169]  gfs2_fill_super+0x13a7/0x21d0
[  241.942724][ T7169]  ? __pfx_gfs2_fill_super+0x10/0x10
[  241.942740][ T7169]  ? sb_set_blocksize+0x155/0x240
[  241.942755][ T7169]  ? setup_bdev_super+0x4c1/0x5b0
[  241.942769][ T7169]  get_tree_bdev_flags+0x431/0x4f0
[  241.942781][ T7169]  ? __pfx_gfs2_fill_super+0x10/0x10
[  241.942793][ T7169]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  241.942804][ T7169]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  241.942820][ T7169]  gfs2_get_tree+0x51/0x1e0
[  241.942843][ T7169]  vfs_get_tree+0x92/0x2a0
[  241.942856][ T7169]  do_new_mount+0x341/0xd30
[  241.942870][ T7169]  ? apparmor_capable+0x126/0x170
[  241.942886][ T7169]  ? __pfx_do_new_mount+0x10/0x10
[  241.942900][ T7169]  ? ns_capable+0x89/0xe0
[  241.942920][ T7169]  ? user_path_at+0xd4/0x160
[  241.942932][ T7169]  __se_sys_mount+0x31d/0x420
[  241.942950][ T7169]  ? __pfx___se_sys_mount+0x10/0x10
[  241.942968][ T7169]  ? __x64_sys_mount+0x20/0xc0
[  241.942983][ T7169]  do_syscall_64+0x14d/0xf80
[  241.942998][ T7169]  ? trace_irq_disable+0x3b/0x150
[  241.943007][ T7169]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  241.943018][ T7169]  ? clear_bhb_loop+0x40/0x90
[  241.943031][ T7169]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  241.943041][ T7169] RIP: 0033:0x7f4e25f9b60a
[  241.943053][ T7169] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  241.943062][ T7169] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.943074][ T7169] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  241.943082][ T7169] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  241.943089][ T7169] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  241.943096][ T7169] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  241.943102][ T7169] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  241.943118][ T7169]  </TASK>
[  241.943253][ T7169] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  242.245321][ T7169] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  242.551190][ T7173] loop1: detected capacity change from 0 to 32768
[  242.569637][ T7173] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  242.577047][ T7173] CPU: 1 UID: 0 PID: 7173 Comm: syz.1.174 Not tainted syzkaller #0 PREEMPT(full) 
[  242.577072][ T7173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  242.577083][ T7173] Call Trace:
[  242.577091][ T7173]  <TASK>
[  242.577099][ T7173]  dump_stack_lvl+0xe8/0x150
[  242.577130][ T7173]  sysfs_create_dir_ns+0x271/0x2a0
[  242.577158][ T7173]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  242.577183][ T7173]  ? do_raw_spin_unlock+0xf5/0x210
[  242.577207][ T7173]  kobject_add_internal+0x62b/0xd00
[  242.577240][ T7173]  kobject_init_and_add+0x12b/0x1a0
[  242.577271][ T7173]  ? __pfx_kobject_init_and_add+0x10/0x10
[  242.577295][ T7173]  ? __raw_spin_lock_init+0x45/0x100
[  242.577316][ T7173]  ? __init_swait_queue_head+0xa9/0x150
[  242.577340][ T7173]  gfs2_sys_fs_add+0x257/0x480
[  242.577365][ T7173]  ? is_dynamic_key+0x1ac/0x1c0
[  242.577389][ T7173]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  242.577423][ T7173]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  242.577454][ T7173]  gfs2_fill_super+0x13a7/0x21d0
[  242.577489][ T7173]  ? __pfx_gfs2_fill_super+0x10/0x10
[  242.577514][ T7173]  ? sb_set_blocksize+0x155/0x240
[  242.577548][ T7173]  ? setup_bdev_super+0x4c1/0x5b0
[  242.577571][ T7173]  get_tree_bdev_flags+0x431/0x4f0
[  242.577594][ T7173]  ? __pfx_gfs2_fill_super+0x10/0x10
[  242.577612][ T7173]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  242.577628][ T7173]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  242.577655][ T7173]  gfs2_get_tree+0x51/0x1e0
[  242.577680][ T7173]  vfs_get_tree+0x92/0x2a0
[  242.577702][ T7173]  do_new_mount+0x341/0xd30
[  242.577726][ T7173]  ? apparmor_capable+0x126/0x170
[  242.577752][ T7173]  ? __pfx_do_new_mount+0x10/0x10
[  242.577776][ T7173]  ? ns_capable+0x89/0xe0
[  242.577807][ T7173]  ? user_path_at+0xd4/0x160
[  242.577827][ T7173]  __se_sys_mount+0x31d/0x420
[  242.577856][ T7173]  ? __pfx___se_sys_mount+0x10/0x10
[  242.577886][ T7173]  ? __x64_sys_mount+0x20/0xc0
[  242.577913][ T7173]  do_syscall_64+0x14d/0xf80
[  242.577935][ T7173]  ? trace_irq_disable+0x3b/0x150
[  242.577949][ T7173]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  242.577967][ T7173]  ? clear_bhb_loop+0x40/0x90
[  242.577989][ T7173]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  242.578008][ T7173] RIP: 0033:0x7f4e25f9b60a
[  242.578027][ T7173] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  242.578042][ T7173] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  242.578062][ T7173] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  242.578077][ T7173] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  242.578089][ T7173] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  242.578101][ T7173] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  242.578113][ T7173] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  242.578140][ T7173]  </TASK>
[  242.870916][ T7173] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  242.885429][ T7173] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  243.200848][ T7177] loop1: detected capacity change from 0 to 32768
[  243.222777][ T7177] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  243.230686][ T7177] CPU: 0 UID: 0 PID: 7177 Comm: syz.1.175 Not tainted syzkaller #0 PREEMPT(full) 
[  243.230712][ T7177] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  243.230723][ T7177] Call Trace:
[  243.230730][ T7177]  <TASK>
[  243.230738][ T7177]  dump_stack_lvl+0xe8/0x150
[  243.230768][ T7177]  sysfs_create_dir_ns+0x271/0x2a0
[  243.230796][ T7177]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  243.230822][ T7177]  ? do_raw_spin_unlock+0xf5/0x210
[  243.230846][ T7177]  kobject_add_internal+0x62b/0xd00
[  243.230879][ T7177]  kobject_init_and_add+0x12b/0x1a0
[  243.230909][ T7177]  ? __pfx_kobject_init_and_add+0x10/0x10
[  243.230937][ T7177]  ? __raw_spin_lock_init+0x45/0x100
[  243.230958][ T7177]  ? __init_swait_queue_head+0xa9/0x150
[  243.230981][ T7177]  gfs2_sys_fs_add+0x257/0x480
[  243.231007][ T7177]  ? is_dynamic_key+0x1ac/0x1c0
[  243.231031][ T7177]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  243.231064][ T7177]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  243.231097][ T7177]  gfs2_fill_super+0x13a7/0x21d0
[  243.231133][ T7177]  ? __pfx_gfs2_fill_super+0x10/0x10
[  243.231160][ T7177]  ? sb_set_blocksize+0x155/0x240
[  243.231184][ T7177]  ? setup_bdev_super+0x4c1/0x5b0
[  243.231205][ T7177]  get_tree_bdev_flags+0x431/0x4f0
[  243.231224][ T7177]  ? __pfx_gfs2_fill_super+0x10/0x10
[  243.231244][ T7177]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  243.231261][ T7177]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  243.231289][ T7177]  gfs2_get_tree+0x51/0x1e0
[  243.231314][ T7177]  vfs_get_tree+0x92/0x2a0
[  243.231341][ T7177]  do_new_mount+0x341/0xd30
[  243.231363][ T7177]  ? apparmor_capable+0x126/0x170
[  243.231389][ T7177]  ? __pfx_do_new_mount+0x10/0x10
[  243.231413][ T7177]  ? ns_capable+0x89/0xe0
[  243.231446][ T7177]  ? user_path_at+0xd4/0x160
[  243.231466][ T7177]  __se_sys_mount+0x31d/0x420
[  243.231497][ T7177]  ? __pfx___se_sys_mount+0x10/0x10
[  243.231535][ T7177]  ? __x64_sys_mount+0x20/0xc0
[  243.231562][ T7177]  do_syscall_64+0x14d/0xf80
[  243.231584][ T7177]  ? trace_irq_disable+0x3b/0x150
[  243.231600][ T7177]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  243.231619][ T7177]  ? clear_bhb_loop+0x40/0x90
[  243.231641][ T7177]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  243.231659][ T7177] RIP: 0033:0x7f4e25f9b60a
[  243.231677][ T7177] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  243.231693][ T7177] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.231713][ T7177] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  243.231726][ T7177] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  243.231739][ T7177] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  243.231751][ T7177] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  243.231763][ T7177] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  243.231790][ T7177]  </TASK>
[  243.231815][ T7177] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.533735][ T7177] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  243.842025][ T7181] loop1: detected capacity change from 0 to 32768
[  243.853899][ T7181] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  243.863893][ T7181] CPU: 0 UID: 0 PID: 7181 Comm: syz.1.176 Not tainted syzkaller #0 PREEMPT(full) 
[  243.863917][ T7181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  243.863929][ T7181] Call Trace:
[  243.863936][ T7181]  <TASK>
[  243.863944][ T7181]  dump_stack_lvl+0xe8/0x150
[  243.863976][ T7181]  sysfs_create_dir_ns+0x271/0x2a0
[  243.864003][ T7181]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  243.864027][ T7181]  ? do_raw_spin_unlock+0xf5/0x210
[  243.864051][ T7181]  kobject_add_internal+0x62b/0xd00
[  243.864086][ T7181]  kobject_init_and_add+0x12b/0x1a0
[  243.864117][ T7181]  ? __pfx_kobject_init_and_add+0x10/0x10
[  243.864143][ T7181]  ? __raw_spin_lock_init+0x45/0x100
[  243.864164][ T7181]  ? __init_swait_queue_head+0xa9/0x150
[  243.864186][ T7181]  gfs2_sys_fs_add+0x257/0x480
[  243.864211][ T7181]  ? is_dynamic_key+0x1ac/0x1c0
[  243.864233][ T7181]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  243.864264][ T7181]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  243.864295][ T7181]  gfs2_fill_super+0x13a7/0x21d0
[  243.864329][ T7181]  ? __pfx_gfs2_fill_super+0x10/0x10
[  243.864353][ T7181]  ? sb_set_blocksize+0x155/0x240
[  243.864370][ T7181]  ? setup_bdev_super+0x4c1/0x5b0
[  243.864384][ T7181]  get_tree_bdev_flags+0x431/0x4f0
[  243.864396][ T7181]  ? __pfx_gfs2_fill_super+0x10/0x10
[  243.864410][ T7181]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  243.864421][ T7181]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  243.864437][ T7181]  gfs2_get_tree+0x51/0x1e0
[  243.864451][ T7181]  vfs_get_tree+0x92/0x2a0
[  243.864464][ T7181]  do_new_mount+0x341/0xd30
[  243.864479][ T7181]  ? apparmor_capable+0x126/0x170
[  243.864495][ T7181]  ? __pfx_do_new_mount+0x10/0x10
[  243.864509][ T7181]  ? ns_capable+0x89/0xe0
[  243.864529][ T7181]  ? user_path_at+0xd4/0x160
[  243.864547][ T7181]  __se_sys_mount+0x31d/0x420
[  243.864565][ T7181]  ? __pfx___se_sys_mount+0x10/0x10
[  243.864583][ T7181]  ? __x64_sys_mount+0x20/0xc0
[  243.864598][ T7181]  do_syscall_64+0x14d/0xf80
[  243.864612][ T7181]  ? trace_irq_disable+0x3b/0x150
[  243.864621][ T7181]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  243.864632][ T7181]  ? clear_bhb_loop+0x40/0x90
[  243.864646][ T7181]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  243.864664][ T7181] RIP: 0033:0x7f4e25f9b60a
[  243.864676][ T7181] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  243.864685][ T7181] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.864697][ T7181] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  243.864704][ T7181] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  243.864711][ T7181] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  243.864718][ T7181] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  243.864725][ T7181] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  243.864741][ T7181]  </TASK>
[  243.864909][ T7181] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.167793][ T7181] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  244.474365][ T7185] loop1: detected capacity change from 0 to 32768
[  244.489980][ T7185] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.497404][ T7185] CPU: 1 UID: 0 PID: 7185 Comm: syz.1.177 Not tainted syzkaller #0 PREEMPT(full) 
[  244.497429][ T7185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  244.497441][ T7185] Call Trace:
[  244.497448][ T7185]  <TASK>
[  244.497457][ T7185]  dump_stack_lvl+0xe8/0x150
[  244.497486][ T7185]  sysfs_create_dir_ns+0x271/0x2a0
[  244.497514][ T7185]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  244.497541][ T7185]  ? do_raw_spin_unlock+0xf5/0x210
[  244.497566][ T7185]  kobject_add_internal+0x62b/0xd00
[  244.497608][ T7185]  kobject_init_and_add+0x12b/0x1a0
[  244.497634][ T7185]  ? __pfx_kobject_init_and_add+0x10/0x10
[  244.497661][ T7185]  ? __raw_spin_lock_init+0x45/0x100
[  244.497682][ T7185]  ? __init_swait_queue_head+0xa9/0x150
[  244.497704][ T7185]  gfs2_sys_fs_add+0x257/0x480
[  244.497729][ T7185]  ? is_dynamic_key+0x1ac/0x1c0
[  244.497752][ T7185]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  244.497784][ T7185]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  244.497814][ T7185]  gfs2_fill_super+0x13a7/0x21d0
[  244.497851][ T7185]  ? __pfx_gfs2_fill_super+0x10/0x10
[  244.497877][ T7185]  ? sb_set_blocksize+0x155/0x240
[  244.497901][ T7185]  ? setup_bdev_super+0x4c1/0x5b0
[  244.497924][ T7185]  get_tree_bdev_flags+0x431/0x4f0
[  244.497944][ T7185]  ? __pfx_gfs2_fill_super+0x10/0x10
[  244.497964][ T7185]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  244.497982][ T7185]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  244.498010][ T7185]  gfs2_get_tree+0x51/0x1e0
[  244.498034][ T7185]  vfs_get_tree+0x92/0x2a0
[  244.498054][ T7185]  do_new_mount+0x341/0xd30
[  244.498076][ T7185]  ? apparmor_capable+0x126/0x170
[  244.498102][ T7185]  ? __pfx_do_new_mount+0x10/0x10
[  244.498126][ T7185]  ? ns_capable+0x89/0xe0
[  244.498160][ T7185]  ? user_path_at+0xd4/0x160
[  244.498181][ T7185]  __se_sys_mount+0x31d/0x420
[  244.498210][ T7185]  ? __pfx___se_sys_mount+0x10/0x10
[  244.498239][ T7185]  ? __x64_sys_mount+0x20/0xc0
[  244.498265][ T7185]  do_syscall_64+0x14d/0xf80
[  244.498287][ T7185]  ? trace_irq_disable+0x3b/0x150
[  244.498303][ T7185]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  244.498322][ T7185]  ? clear_bhb_loop+0x40/0x90
[  244.498343][ T7185]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  244.498360][ T7185] RIP: 0033:0x7f4e25f9b60a
[  244.498379][ T7185] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  244.498393][ T7185] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.498420][ T7185] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  244.498434][ T7185] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  244.498447][ T7185] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  244.498460][ T7185] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  244.498472][ T7185] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  244.498502][ T7185]  </TASK>
[  244.785782][ T7185] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.799783][ T7185] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/20 09:17:47 executed programs: 163
[  245.093027][ T7189] loop1: detected capacity change from 0 to 32768
[  245.107806][ T7189] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  245.121356][ T7189] CPU: 0 UID: 0 PID: 7189 Comm: syz.1.178 Not tainted syzkaller #0 PREEMPT(full) 
[  245.121382][ T7189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  245.121393][ T7189] Call Trace:
[  245.121402][ T7189]  <TASK>
[  245.121410][ T7189]  dump_stack_lvl+0xe8/0x150
[  245.121440][ T7189]  sysfs_create_dir_ns+0x271/0x2a0
[  245.121465][ T7189]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  245.121489][ T7189]  ? do_raw_spin_unlock+0xf5/0x210
[  245.121512][ T7189]  kobject_add_internal+0x62b/0xd00
[  245.121545][ T7189]  kobject_init_and_add+0x12b/0x1a0
[  245.121577][ T7189]  ? __pfx_kobject_init_and_add+0x10/0x10
[  245.121601][ T7189]  ? __raw_spin_lock_init+0x45/0x100
[  245.121621][ T7189]  ? __init_swait_queue_head+0xa9/0x150
[  245.121642][ T7189]  gfs2_sys_fs_add+0x257/0x480
[  245.121666][ T7189]  ? is_dynamic_key+0x1ac/0x1c0
[  245.121690][ T7189]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  245.121724][ T7189]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  245.121756][ T7189]  gfs2_fill_super+0x13a7/0x21d0
[  245.121791][ T7189]  ? __pfx_gfs2_fill_super+0x10/0x10
[  245.121816][ T7189]  ? sb_set_blocksize+0x155/0x240
[  245.121840][ T7189]  ? setup_bdev_super+0x4c1/0x5b0
[  245.121863][ T7189]  get_tree_bdev_flags+0x431/0x4f0
[  245.121884][ T7189]  ? __pfx_gfs2_fill_super+0x10/0x10
[  245.121905][ T7189]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  245.121922][ T7189]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  245.121949][ T7189]  gfs2_get_tree+0x51/0x1e0
[  245.121973][ T7189]  vfs_get_tree+0x92/0x2a0
[  245.121996][ T7189]  do_new_mount+0x341/0xd30
[  245.122019][ T7189]  ? apparmor_capable+0x126/0x170
[  245.122046][ T7189]  ? __pfx_do_new_mount+0x10/0x10
[  245.122069][ T7189]  ? ns_capable+0x89/0xe0
[  245.122101][ T7189]  ? user_path_at+0xd4/0x160
[  245.122120][ T7189]  __se_sys_mount+0x31d/0x420
[  245.122149][ T7189]  ? __pfx___se_sys_mount+0x10/0x10
[  245.122177][ T7189]  ? __x64_sys_mount+0x20/0xc0
[  245.122202][ T7189]  do_syscall_64+0x14d/0xf80
[  245.122224][ T7189]  ? trace_irq_disable+0x3b/0x150
[  245.122239][ T7189]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  245.122257][ T7189]  ? clear_bhb_loop+0x40/0x90
[  245.122291][ T7189]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  245.122309][ T7189] RIP: 0033:0x7f4e25f9b60a
[  245.122327][ T7189] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  245.122342][ T7189] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.122361][ T7189] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  245.122374][ T7189] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  245.122387][ T7189] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  245.122399][ T7189] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  245.122411][ T7189] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  245.122438][ T7189]  </TASK>
[  245.122463][ T7189] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  245.425599][ T7189] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  245.731427][ T7193] loop1: detected capacity change from 0 to 32768
[  245.744608][ T7193] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  245.752427][ T7193] CPU: 0 UID: 0 PID: 7193 Comm: syz.1.179 Not tainted syzkaller #0 PREEMPT(full) 
[  245.752447][ T7193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  245.752462][ T7193] Call Trace:
[  245.752468][ T7193]  <TASK>
[  245.752475][ T7193]  dump_stack_lvl+0xe8/0x150
[  245.752500][ T7193]  sysfs_create_dir_ns+0x271/0x2a0
[  245.752522][ T7193]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  245.752543][ T7193]  ? do_raw_spin_unlock+0xf5/0x210
[  245.752562][ T7193]  kobject_add_internal+0x62b/0xd00
[  245.752590][ T7193]  kobject_init_and_add+0x12b/0x1a0
[  245.752615][ T7193]  ? __pfx_kobject_init_and_add+0x10/0x10
[  245.752636][ T7193]  ? __raw_spin_lock_init+0x45/0x100
[  245.752660][ T7193]  ? __init_swait_queue_head+0xa9/0x150
[  245.752681][ T7193]  gfs2_sys_fs_add+0x257/0x480
[  245.752702][ T7193]  ? is_dynamic_key+0x1ac/0x1c0
[  245.752722][ T7193]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  245.752752][ T7193]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  245.752783][ T7193]  gfs2_fill_super+0x13a7/0x21d0
[  245.752817][ T7193]  ? __pfx_gfs2_fill_super+0x10/0x10
[  245.752839][ T7193]  ? sb_set_blocksize+0x155/0x240
[  245.752861][ T7193]  ? setup_bdev_super+0x4c1/0x5b0
[  245.752883][ T7193]  get_tree_bdev_flags+0x431/0x4f0
[  245.752902][ T7193]  ? __pfx_gfs2_fill_super+0x10/0x10
[  245.752923][ T7193]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  245.752940][ T7193]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  245.752967][ T7193]  gfs2_get_tree+0x51/0x1e0
[  245.752989][ T7193]  vfs_get_tree+0x92/0x2a0
[  245.753010][ T7193]  do_new_mount+0x341/0xd30
[  245.753030][ T7193]  ? apparmor_capable+0x126/0x170
[  245.753055][ T7193]  ? __pfx_do_new_mount+0x10/0x10
[  245.753076][ T7193]  ? ns_capable+0x89/0xe0
[  245.753112][ T7193]  ? user_path_at+0xd4/0x160
[  245.753131][ T7193]  __se_sys_mount+0x31d/0x420
[  245.753158][ T7193]  ? __pfx___se_sys_mount+0x10/0x10
[  245.753185][ T7193]  ? __x64_sys_mount+0x20/0xc0
[  245.753208][ T7193]  do_syscall_64+0x14d/0xf80
[  245.753229][ T7193]  ? trace_irq_disable+0x3b/0x150
[  245.753244][ T7193]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  245.753260][ T7193]  ? clear_bhb_loop+0x40/0x90
[  245.753275][ T7193]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  245.753290][ T7193] RIP: 0033:0x7f4e25f9b60a
[  245.753303][ T7193] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  245.753312][ T7193] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.753324][ T7193] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  245.753331][ T7193] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  245.753338][ T7193] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  245.753345][ T7193] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  245.753352][ T7193] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  245.753367][ T7193]  </TASK>
[  245.753523][ T7193] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.055383][ T7193] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  246.368000][ T7197] loop1: detected capacity change from 0 to 32768
[  246.389606][ T7197] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.397029][ T7197] CPU: 0 UID: 0 PID: 7197 Comm: syz.1.180 Not tainted syzkaller #0 PREEMPT(full) 
[  246.397055][ T7197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  246.397067][ T7197] Call Trace:
[  246.397075][ T7197]  <TASK>
[  246.397083][ T7197]  dump_stack_lvl+0xe8/0x150
[  246.397115][ T7197]  sysfs_create_dir_ns+0x271/0x2a0
[  246.397160][ T7197]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  246.397186][ T7197]  ? do_raw_spin_unlock+0xf5/0x210
[  246.397209][ T7197]  kobject_add_internal+0x62b/0xd00
[  246.397241][ T7197]  kobject_init_and_add+0x12b/0x1a0
[  246.397271][ T7197]  ? __pfx_kobject_init_and_add+0x10/0x10
[  246.397298][ T7197]  ? __raw_spin_lock_init+0x45/0x100
[  246.397319][ T7197]  ? __init_swait_queue_head+0xa9/0x150
[  246.397343][ T7197]  gfs2_sys_fs_add+0x257/0x480
[  246.397368][ T7197]  ? is_dynamic_key+0x1ac/0x1c0
[  246.397390][ T7197]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  246.397422][ T7197]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  246.397453][ T7197]  gfs2_fill_super+0x13a7/0x21d0
[  246.397488][ T7197]  ? __pfx_gfs2_fill_super+0x10/0x10
[  246.397512][ T7197]  ? sb_set_blocksize+0x155/0x240
[  246.397536][ T7197]  ? setup_bdev_super+0x4c1/0x5b0
[  246.397559][ T7197]  get_tree_bdev_flags+0x431/0x4f0
[  246.397578][ T7197]  ? __pfx_gfs2_fill_super+0x10/0x10
[  246.397601][ T7197]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  246.397617][ T7197]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  246.397644][ T7197]  gfs2_get_tree+0x51/0x1e0
[  246.397668][ T7197]  vfs_get_tree+0x92/0x2a0
[  246.397695][ T7197]  do_new_mount+0x341/0xd30
[  246.397718][ T7197]  ? apparmor_capable+0x126/0x170
[  246.397744][ T7197]  ? __pfx_do_new_mount+0x10/0x10
[  246.397767][ T7197]  ? ns_capable+0x89/0xe0
[  246.397798][ T7197]  ? user_path_at+0xd4/0x160
[  246.397818][ T7197]  __se_sys_mount+0x31d/0x420
[  246.397847][ T7197]  ? __pfx___se_sys_mount+0x10/0x10
[  246.397878][ T7197]  ? __x64_sys_mount+0x20/0xc0
[  246.397905][ T7197]  do_syscall_64+0x14d/0xf80
[  246.397927][ T7197]  ? trace_irq_disable+0x3b/0x150
[  246.397942][ T7197]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  246.397959][ T7197]  ? clear_bhb_loop+0x40/0x90
[  246.397981][ T7197]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  246.397999][ T7197] RIP: 0033:0x7f4e25f9b60a
[  246.398018][ T7197] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  246.398032][ T7197] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.398053][ T7197] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  246.398067][ T7197] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  246.398079][ T7197] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  246.398090][ T7197] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  246.398101][ T7197] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  246.398129][ T7197]  </TASK>
[  246.693816][ T7197] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.710387][ T7197] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  247.009942][ T7201] loop1: detected capacity change from 0 to 32768
[  247.031613][ T7201] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  247.039512][ T7201] CPU: 0 UID: 0 PID: 7201 Comm: syz.1.181 Not tainted syzkaller #0 PREEMPT(full) 
[  247.039538][ T7201] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  247.039550][ T7201] Call Trace:
[  247.039558][ T7201]  <TASK>
[  247.039566][ T7201]  dump_stack_lvl+0xe8/0x150
[  247.039593][ T7201]  sysfs_create_dir_ns+0x271/0x2a0
[  247.039616][ T7201]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  247.039635][ T7201]  ? do_raw_spin_unlock+0xf5/0x210
[  247.039654][ T7201]  kobject_add_internal+0x62b/0xd00
[  247.039680][ T7201]  kobject_init_and_add+0x12b/0x1a0
[  247.039704][ T7201]  ? __pfx_kobject_init_and_add+0x10/0x10
[  247.039725][ T7201]  ? __raw_spin_lock_init+0x45/0x100
[  247.039741][ T7201]  ? __init_swait_queue_head+0xa9/0x150
[  247.039759][ T7201]  gfs2_sys_fs_add+0x257/0x480
[  247.039779][ T7201]  ? is_dynamic_key+0x1ac/0x1c0
[  247.039796][ T7201]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  247.039822][ T7201]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  247.039847][ T7201]  gfs2_fill_super+0x13a7/0x21d0
[  247.039875][ T7201]  ? __pfx_gfs2_fill_super+0x10/0x10
[  247.039894][ T7201]  ? sb_set_blocksize+0x155/0x240
[  247.039913][ T7201]  ? setup_bdev_super+0x4c1/0x5b0
[  247.039932][ T7201]  get_tree_bdev_flags+0x431/0x4f0
[  247.039948][ T7201]  ? __pfx_gfs2_fill_super+0x10/0x10
[  247.039964][ T7201]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  247.039977][ T7201]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  247.039999][ T7201]  gfs2_get_tree+0x51/0x1e0
[  247.040017][ T7201]  vfs_get_tree+0x92/0x2a0
[  247.040034][ T7201]  do_new_mount+0x341/0xd30
[  247.040052][ T7201]  ? apparmor_capable+0x126/0x170
[  247.040073][ T7201]  ? __pfx_do_new_mount+0x10/0x10
[  247.040091][ T7201]  ? ns_capable+0x89/0xe0
[  247.040117][ T7201]  ? user_path_at+0xd4/0x160
[  247.040132][ T7201]  __se_sys_mount+0x31d/0x420
[  247.040155][ T7201]  ? __pfx___se_sys_mount+0x10/0x10
[  247.040187][ T7201]  ? __x64_sys_mount+0x20/0xc0
[  247.040207][ T7201]  do_syscall_64+0x14d/0xf80
[  247.040224][ T7201]  ? trace_irq_disable+0x3b/0x150
[  247.040237][ T7201]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  247.040251][ T7201]  ? clear_bhb_loop+0x40/0x90
[  247.040269][ T7201]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  247.040283][ T7201] RIP: 0033:0x7f4e25f9b60a
[  247.040298][ T7201] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  247.040309][ T7201] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.040326][ T7201] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  247.040336][ T7201] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  247.040346][ T7201] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  247.040356][ T7201] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  247.040365][ T7201] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  247.040387][ T7201]  </TASK>
[  247.040412][ T7201] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.341900][ T7201] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  247.539111][   T51] Bluetooth: hci0: command 0x0406 tx timeout
[  247.648125][ T7205] loop1: detected capacity change from 0 to 32768
[  247.659496][ T7205] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  247.667031][ T7205] CPU: 0 UID: 0 PID: 7205 Comm: syz.1.182 Not tainted syzkaller #0 PREEMPT(full) 
[  247.667056][ T7205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  247.667067][ T7205] Call Trace:
[  247.667075][ T7205]  <TASK>
[  247.667083][ T7205]  dump_stack_lvl+0xe8/0x150
[  247.667112][ T7205]  sysfs_create_dir_ns+0x271/0x2a0
[  247.667177][ T7205]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  247.667201][ T7205]  ? do_raw_spin_unlock+0xf5/0x210
[  247.667225][ T7205]  kobject_add_internal+0x62b/0xd00
[  247.667258][ T7205]  kobject_init_and_add+0x12b/0x1a0
[  247.667288][ T7205]  ? __pfx_kobject_init_and_add+0x10/0x10
[  247.667313][ T7205]  ? __raw_spin_lock_init+0x45/0x100
[  247.667334][ T7205]  ? __init_swait_queue_head+0xa9/0x150
[  247.667357][ T7205]  gfs2_sys_fs_add+0x257/0x480
[  247.667381][ T7205]  ? is_dynamic_key+0x1ac/0x1c0
[  247.667405][ T7205]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  247.667436][ T7205]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  247.667468][ T7205]  gfs2_fill_super+0x13a7/0x21d0
[  247.667505][ T7205]  ? __pfx_gfs2_fill_super+0x10/0x10
[  247.667531][ T7205]  ? sb_set_blocksize+0x155/0x240
[  247.667555][ T7205]  ? setup_bdev_super+0x4c1/0x5b0
[  247.667577][ T7205]  get_tree_bdev_flags+0x431/0x4f0
[  247.667599][ T7205]  ? __pfx_gfs2_fill_super+0x10/0x10
[  247.667617][ T7205]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  247.667633][ T7205]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  247.667660][ T7205]  gfs2_get_tree+0x51/0x1e0
[  247.667683][ T7205]  vfs_get_tree+0x92/0x2a0
[  247.667704][ T7205]  do_new_mount+0x341/0xd30
[  247.667725][ T7205]  ? apparmor_capable+0x126/0x170
[  247.667751][ T7205]  ? __pfx_do_new_mount+0x10/0x10
[  247.667773][ T7205]  ? ns_capable+0x89/0xe0
[  247.667803][ T7205]  ? user_path_at+0xd4/0x160
[  247.667824][ T7205]  __se_sys_mount+0x31d/0x420
[  247.667852][ T7205]  ? __pfx___se_sys_mount+0x10/0x10
[  247.667879][ T7205]  ? __x64_sys_mount+0x20/0xc0
[  247.667900][ T7205]  do_syscall_64+0x14d/0xf80
[  247.667917][ T7205]  ? trace_irq_disable+0x3b/0x150
[  247.667929][ T7205]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  247.667944][ T7205]  ? clear_bhb_loop+0x40/0x90
[  247.667961][ T7205]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  247.667976][ T7205] RIP: 0033:0x7f4e25f9b60a
[  247.667992][ T7205] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  247.668004][ T7205] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.668020][ T7205] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  247.668030][ T7205] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  247.668041][ T7205] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  247.668050][ T7205] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  247.668059][ T7205] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  247.668082][ T7205]  </TASK>
[  247.958693][ T7205] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.972793][ T7205] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  248.248681][ T7209] loop1: detected capacity change from 0 to 32768
[  248.261409][ T7209] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.269439][ T7209] CPU: 1 UID: 0 PID: 7209 Comm: syz.1.183 Not tainted syzkaller #0 PREEMPT(full) 
[  248.269462][ T7209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  248.269473][ T7209] Call Trace:
[  248.269480][ T7209]  <TASK>
[  248.269488][ T7209]  dump_stack_lvl+0xe8/0x150
[  248.269518][ T7209]  sysfs_create_dir_ns+0x271/0x2a0
[  248.269544][ T7209]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  248.269569][ T7209]  ? do_raw_spin_unlock+0xf5/0x210
[  248.269592][ T7209]  kobject_add_internal+0x62b/0xd00
[  248.269623][ T7209]  kobject_init_and_add+0x12b/0x1a0
[  248.269654][ T7209]  ? __pfx_kobject_init_and_add+0x10/0x10
[  248.269681][ T7209]  ? __raw_spin_lock_init+0x45/0x100
[  248.269703][ T7209]  ? __init_swait_queue_head+0xa9/0x150
[  248.269725][ T7209]  gfs2_sys_fs_add+0x257/0x480
[  248.269750][ T7209]  ? is_dynamic_key+0x1ac/0x1c0
[  248.269774][ T7209]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  248.269807][ T7209]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  248.269840][ T7209]  gfs2_fill_super+0x13a7/0x21d0
[  248.269874][ T7209]  ? __pfx_gfs2_fill_super+0x10/0x10
[  248.269899][ T7209]  ? sb_set_blocksize+0x155/0x240
[  248.269924][ T7209]  ? setup_bdev_super+0x4c1/0x5b0
[  248.269947][ T7209]  get_tree_bdev_flags+0x431/0x4f0
[  248.269987][ T7209]  ? __pfx_gfs2_fill_super+0x10/0x10
[  248.270009][ T7209]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  248.270026][ T7209]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  248.270054][ T7209]  gfs2_get_tree+0x51/0x1e0
[  248.270077][ T7209]  vfs_get_tree+0x92/0x2a0
[  248.270100][ T7209]  do_new_mount+0x341/0xd30
[  248.270123][ T7209]  ? apparmor_capable+0x126/0x170
[  248.270150][ T7209]  ? __pfx_do_new_mount+0x10/0x10
[  248.270174][ T7209]  ? ns_capable+0x89/0xe0
[  248.270207][ T7209]  ? user_path_at+0xd4/0x160
[  248.270232][ T7209]  __se_sys_mount+0x31d/0x420
[  248.270263][ T7209]  ? __pfx___se_sys_mount+0x10/0x10
[  248.270293][ T7209]  ? __x64_sys_mount+0x20/0xc0
[  248.270320][ T7209]  do_syscall_64+0x14d/0xf80
[  248.270342][ T7209]  ? trace_irq_disable+0x3b/0x150
[  248.270358][ T7209]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  248.270377][ T7209]  ? clear_bhb_loop+0x40/0x90
[  248.270399][ T7209]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  248.270417][ T7209] RIP: 0033:0x7f4e25f9b60a
[  248.270435][ T7209] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  248.270450][ T7209] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.270470][ T7209] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  248.270483][ T7209] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  248.270496][ T7209] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  248.270508][ T7209] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  248.270520][ T7209] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  248.270548][ T7209]  </TASK>
[  248.270573][ T7209] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  248.572563][ T7209] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  248.877306][ T7213] loop1: detected capacity change from 0 to 32768
[  248.905482][ T7213] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.913195][ T7213] CPU: 1 UID: 0 PID: 7213 Comm: syz.1.184 Not tainted syzkaller #0 PREEMPT(full) 
[  248.913221][ T7213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  248.913233][ T7213] Call Trace:
[  248.913241][ T7213]  <TASK>
[  248.913249][ T7213]  dump_stack_lvl+0xe8/0x150
[  248.913281][ T7213]  sysfs_create_dir_ns+0x271/0x2a0
[  248.913310][ T7213]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  248.913334][ T7213]  ? do_raw_spin_unlock+0xf5/0x210
[  248.913359][ T7213]  kobject_add_internal+0x62b/0xd00
[  248.913392][ T7213]  kobject_init_and_add+0x12b/0x1a0
[  248.913422][ T7213]  ? __pfx_kobject_init_and_add+0x10/0x10
[  248.913449][ T7213]  ? __raw_spin_lock_init+0x45/0x100
[  248.913469][ T7213]  ? __init_swait_queue_head+0xa9/0x150
[  248.913492][ T7213]  gfs2_sys_fs_add+0x257/0x480
[  248.913517][ T7213]  ? is_dynamic_key+0x1ac/0x1c0
[  248.913541][ T7213]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  248.913575][ T7213]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  248.913609][ T7213]  gfs2_fill_super+0x13a7/0x21d0
[  248.913643][ T7213]  ? __pfx_gfs2_fill_super+0x10/0x10
[  248.913667][ T7213]  ? sb_set_blocksize+0x155/0x240
[  248.913689][ T7213]  ? setup_bdev_super+0x4c1/0x5b0
[  248.913712][ T7213]  get_tree_bdev_flags+0x431/0x4f0
[  248.913731][ T7213]  ? __pfx_gfs2_fill_super+0x10/0x10
[  248.913750][ T7213]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  248.913766][ T7213]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  248.913793][ T7213]  gfs2_get_tree+0x51/0x1e0
[  248.913817][ T7213]  vfs_get_tree+0x92/0x2a0
[  248.913839][ T7213]  do_new_mount+0x341/0xd30
[  248.913861][ T7213]  ? apparmor_capable+0x126/0x170
[  248.913887][ T7213]  ? __pfx_do_new_mount+0x10/0x10
[  248.913908][ T7213]  ? ns_capable+0x89/0xe0
[  248.913941][ T7213]  ? user_path_at+0xd4/0x160
[  248.913962][ T7213]  __se_sys_mount+0x31d/0x420
[  248.913991][ T7213]  ? __pfx___se_sys_mount+0x10/0x10
[  248.914019][ T7213]  ? __x64_sys_mount+0x20/0xc0
[  248.914045][ T7213]  do_syscall_64+0x14d/0xf80
[  248.914068][ T7213]  ? trace_irq_disable+0x3b/0x150
[  248.914084][ T7213]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  248.914103][ T7213]  ? clear_bhb_loop+0x40/0x90
[  248.914125][ T7213]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  248.914144][ T7213] RIP: 0033:0x7f4e25f9b60a
[  248.914172][ T7213] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  248.914186][ T7213] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.914206][ T7213] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  248.914218][ T7213] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  248.914230][ T7213] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  248.914242][ T7213] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  248.914253][ T7213] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  248.914287][ T7213]  </TASK>
[  248.914314][ T7213] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  249.216491][ T7213] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  249.519837][ T7217] loop1: detected capacity change from 0 to 32768
[  249.536653][ T7217] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  249.544505][ T7217] CPU: 0 UID: 0 PID: 7217 Comm: syz.1.185 Not tainted syzkaller #0 PREEMPT(full) 
[  249.544532][ T7217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  249.544544][ T7217] Call Trace:
[  249.544552][ T7217]  <TASK>
[  249.544560][ T7217]  dump_stack_lvl+0xe8/0x150
[  249.544592][ T7217]  sysfs_create_dir_ns+0x271/0x2a0
[  249.544619][ T7217]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  249.544644][ T7217]  ? do_raw_spin_unlock+0xf5/0x210
[  249.544668][ T7217]  kobject_add_internal+0x62b/0xd00
[  249.544701][ T7217]  kobject_init_and_add+0x12b/0x1a0
[  249.544731][ T7217]  ? __pfx_kobject_init_and_add+0x10/0x10
[  249.544758][ T7217]  ? __raw_spin_lock_init+0x45/0x100
[  249.544777][ T7217]  ? __init_swait_queue_head+0xa9/0x150
[  249.544799][ T7217]  gfs2_sys_fs_add+0x257/0x480
[  249.544825][ T7217]  ? is_dynamic_key+0x1ac/0x1c0
[  249.544848][ T7217]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  249.544893][ T7217]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  249.544924][ T7217]  gfs2_fill_super+0x13a7/0x21d0
[  249.544959][ T7217]  ? __pfx_gfs2_fill_super+0x10/0x10
[  249.544983][ T7217]  ? sb_set_blocksize+0x155/0x240
[  249.545008][ T7217]  ? setup_bdev_super+0x4c1/0x5b0
[  249.545031][ T7217]  get_tree_bdev_flags+0x431/0x4f0
[  249.545052][ T7217]  ? __pfx_gfs2_fill_super+0x10/0x10
[  249.545071][ T7217]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  249.545088][ T7217]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  249.545115][ T7217]  gfs2_get_tree+0x51/0x1e0
[  249.545139][ T7217]  vfs_get_tree+0x92/0x2a0
[  249.545161][ T7217]  do_new_mount+0x341/0xd30
[  249.545184][ T7217]  ? apparmor_capable+0x126/0x170
[  249.545210][ T7217]  ? __pfx_do_new_mount+0x10/0x10
[  249.545234][ T7217]  ? ns_capable+0x89/0xe0
[  249.545265][ T7217]  ? user_path_at+0xd4/0x160
[  249.545285][ T7217]  __se_sys_mount+0x31d/0x420
[  249.545312][ T7217]  ? __pfx___se_sys_mount+0x10/0x10
[  249.545341][ T7217]  ? __x64_sys_mount+0x20/0xc0
[  249.545363][ T7217]  do_syscall_64+0x14d/0xf80
[  249.545384][ T7217]  ? trace_irq_disable+0x3b/0x150
[  249.545400][ T7217]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  249.545418][ T7217]  ? clear_bhb_loop+0x40/0x90
[  249.545440][ T7217]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  249.545458][ T7217] RIP: 0033:0x7f4e25f9b60a
[  249.545476][ T7217] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  249.545488][ T7217] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  249.545508][ T7217] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  249.545521][ T7217] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  249.545534][ T7217] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  249.545545][ T7217] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  249.545557][ T7217] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  249.545585][ T7217]  </TASK>
[  249.545611][ T7217] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  249.846713][ T7217] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/20 09:17:52 executed programs: 171
[  250.162168][ T7221] loop1: detected capacity change from 0 to 32768
[  250.180032][ T7221] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.187446][ T7221] CPU: 0 UID: 0 PID: 7221 Comm: syz.1.186 Not tainted syzkaller #0 PREEMPT(full) 
[  250.187461][ T7221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  250.187467][ T7221] Call Trace:
[  250.187473][ T7221]  <TASK>
[  250.187478][ T7221]  dump_stack_lvl+0xe8/0x150
[  250.187498][ T7221]  sysfs_create_dir_ns+0x271/0x2a0
[  250.187516][ T7221]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  250.187531][ T7221]  ? do_raw_spin_unlock+0xf5/0x210
[  250.187546][ T7221]  kobject_add_internal+0x62b/0xd00
[  250.187566][ T7221]  kobject_init_and_add+0x12b/0x1a0
[  250.187591][ T7221]  ? __pfx_kobject_init_and_add+0x10/0x10
[  250.187614][ T7221]  ? __raw_spin_lock_init+0x45/0x100
[  250.187631][ T7221]  ? __init_swait_queue_head+0xa9/0x150
[  250.187651][ T7221]  gfs2_sys_fs_add+0x257/0x480
[  250.187673][ T7221]  ? is_dynamic_key+0x1ac/0x1c0
[  250.187694][ T7221]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  250.187725][ T7221]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  250.187754][ T7221]  gfs2_fill_super+0x13a7/0x21d0
[  250.187789][ T7221]  ? __pfx_gfs2_fill_super+0x10/0x10
[  250.187815][ T7221]  ? sb_set_blocksize+0x155/0x240
[  250.187840][ T7221]  ? setup_bdev_super+0x4c1/0x5b0
[  250.187863][ T7221]  get_tree_bdev_flags+0x431/0x4f0
[  250.187884][ T7221]  ? __pfx_gfs2_fill_super+0x10/0x10
[  250.187905][ T7221]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  250.187923][ T7221]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  250.187952][ T7221]  gfs2_get_tree+0x51/0x1e0
[  250.187976][ T7221]  vfs_get_tree+0x92/0x2a0
[  250.187998][ T7221]  do_new_mount+0x341/0xd30
[  250.188017][ T7221]  ? apparmor_capable+0x126/0x170
[  250.188055][ T7221]  ? __pfx_do_new_mount+0x10/0x10
[  250.188077][ T7221]  ? ns_capable+0x89/0xe0
[  250.188104][ T7221]  ? user_path_at+0xd4/0x160
[  250.188122][ T7221]  __se_sys_mount+0x31d/0x420
[  250.188148][ T7221]  ? __pfx___se_sys_mount+0x10/0x10
[  250.188178][ T7221]  ? __x64_sys_mount+0x20/0xc0
[  250.188203][ T7221]  do_syscall_64+0x14d/0xf80
[  250.188222][ T7221]  ? trace_irq_disable+0x3b/0x150
[  250.188236][ T7221]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  250.188252][ T7221]  ? clear_bhb_loop+0x40/0x90
[  250.188273][ T7221]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  250.188290][ T7221] RIP: 0033:0x7f4e25f9b60a
[  250.188309][ T7221] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  250.188323][ T7221] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.188343][ T7221] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  250.188355][ T7221] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  250.188367][ T7221] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  250.188379][ T7221] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  250.188390][ T7221] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  250.188415][ T7221]  </TASK>
[  250.475526][ T7221] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  250.489537][ T7221] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  250.805606][ T7225] loop1: detected capacity change from 0 to 32768
[  250.817729][ T7225] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.825140][ T7225] CPU: 0 UID: 0 PID: 7225 Comm: syz.1.187 Not tainted syzkaller #0 PREEMPT(full) 
[  250.825163][ T7225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  250.825174][ T7225] Call Trace:
[  250.825182][ T7225]  <TASK>
[  250.825190][ T7225]  dump_stack_lvl+0xe8/0x150
[  250.825220][ T7225]  sysfs_create_dir_ns+0x271/0x2a0
[  250.825248][ T7225]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  250.825273][ T7225]  ? do_raw_spin_unlock+0xf5/0x210
[  250.825298][ T7225]  kobject_add_internal+0x62b/0xd00
[  250.825331][ T7225]  kobject_init_and_add+0x12b/0x1a0
[  250.825360][ T7225]  ? __pfx_kobject_init_and_add+0x10/0x10
[  250.825386][ T7225]  ? __raw_spin_lock_init+0x45/0x100
[  250.825407][ T7225]  ? __init_swait_queue_head+0xa9/0x150
[  250.825430][ T7225]  gfs2_sys_fs_add+0x257/0x480
[  250.825454][ T7225]  ? is_dynamic_key+0x1ac/0x1c0
[  250.825477][ T7225]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  250.825510][ T7225]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  250.825542][ T7225]  gfs2_fill_super+0x13a7/0x21d0
[  250.825577][ T7225]  ? __pfx_gfs2_fill_super+0x10/0x10
[  250.825602][ T7225]  ? sb_set_blocksize+0x155/0x240
[  250.825626][ T7225]  ? setup_bdev_super+0x4c1/0x5b0
[  250.825648][ T7225]  get_tree_bdev_flags+0x431/0x4f0
[  250.825668][ T7225]  ? __pfx_gfs2_fill_super+0x10/0x10
[  250.825689][ T7225]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  250.825706][ T7225]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  250.825734][ T7225]  gfs2_get_tree+0x51/0x1e0
[  250.825758][ T7225]  vfs_get_tree+0x92/0x2a0
[  250.825781][ T7225]  do_new_mount+0x341/0xd30
[  250.825802][ T7225]  ? apparmor_capable+0x126/0x170
[  250.825828][ T7225]  ? __pfx_do_new_mount+0x10/0x10
[  250.825851][ T7225]  ? ns_capable+0x89/0xe0
[  250.825883][ T7225]  ? user_path_at+0xd4/0x160
[  250.825902][ T7225]  __se_sys_mount+0x31d/0x420
[  250.825931][ T7225]  ? __pfx___se_sys_mount+0x10/0x10
[  250.825967][ T7225]  ? __x64_sys_mount+0x20/0xc0
[  250.825993][ T7225]  do_syscall_64+0x14d/0xf80
[  250.826014][ T7225]  ? trace_irq_disable+0x3b/0x150
[  250.826029][ T7225]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  250.826048][ T7225]  ? clear_bhb_loop+0x40/0x90
[  250.826069][ T7225]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  250.826088][ T7225] RIP: 0033:0x7f4e25f9b60a
[  250.826106][ T7225] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  250.826120][ T7225] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.826140][ T7225] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  250.826154][ T7225] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  250.826166][ T7225] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  250.826178][ T7225] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  250.826190][ T7225] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  250.826218][ T7225]  </TASK>
[  250.826242][ T7225] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.128886][ T7225] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  251.434267][ T7229] loop1: detected capacity change from 0 to 32768
[  251.452713][ T7229] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  251.461149][ T7229] CPU: 0 UID: 0 PID: 7229 Comm: syz.1.188 Not tainted syzkaller #0 PREEMPT(full) 
[  251.461173][ T7229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  251.461183][ T7229] Call Trace:
[  251.461191][ T7229]  <TASK>
[  251.461199][ T7229]  dump_stack_lvl+0xe8/0x150
[  251.461230][ T7229]  sysfs_create_dir_ns+0x271/0x2a0
[  251.461256][ T7229]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  251.461280][ T7229]  ? do_raw_spin_unlock+0xf5/0x210
[  251.461304][ T7229]  kobject_add_internal+0x62b/0xd00
[  251.461338][ T7229]  kobject_init_and_add+0x12b/0x1a0
[  251.461369][ T7229]  ? __pfx_kobject_init_and_add+0x10/0x10
[  251.461394][ T7229]  ? __raw_spin_lock_init+0x45/0x100
[  251.461415][ T7229]  ? __init_swait_queue_head+0xa9/0x150
[  251.461437][ T7229]  gfs2_sys_fs_add+0x257/0x480
[  251.461460][ T7229]  ? is_dynamic_key+0x1ac/0x1c0
[  251.461483][ T7229]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  251.461515][ T7229]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  251.461545][ T7229]  gfs2_fill_super+0x13a7/0x21d0
[  251.461577][ T7229]  ? __pfx_gfs2_fill_super+0x10/0x10
[  251.461596][ T7229]  ? sb_set_blocksize+0x155/0x240
[  251.461611][ T7229]  ? setup_bdev_super+0x4c1/0x5b0
[  251.461624][ T7229]  get_tree_bdev_flags+0x431/0x4f0
[  251.461636][ T7229]  ? __pfx_gfs2_fill_super+0x10/0x10
[  251.461648][ T7229]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  251.461659][ T7229]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  251.461678][ T7229]  gfs2_get_tree+0x51/0x1e0
[  251.461692][ T7229]  vfs_get_tree+0x92/0x2a0
[  251.461704][ T7229]  do_new_mount+0x341/0xd30
[  251.461719][ T7229]  ? apparmor_capable+0x126/0x170
[  251.461734][ T7229]  ? __pfx_do_new_mount+0x10/0x10
[  251.461748][ T7229]  ? ns_capable+0x89/0xe0
[  251.461768][ T7229]  ? user_path_at+0xd4/0x160
[  251.461780][ T7229]  __se_sys_mount+0x31d/0x420
[  251.461797][ T7229]  ? __pfx___se_sys_mount+0x10/0x10
[  251.461815][ T7229]  ? __x64_sys_mount+0x20/0xc0
[  251.461831][ T7229]  do_syscall_64+0x14d/0xf80
[  251.461844][ T7229]  ? trace_irq_disable+0x3b/0x150
[  251.461854][ T7229]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  251.461864][ T7229]  ? clear_bhb_loop+0x40/0x90
[  251.461877][ T7229]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  251.461888][ T7229] RIP: 0033:0x7f4e25f9b60a
[  251.461900][ T7229] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  251.461908][ T7229] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.461929][ T7229] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  251.461936][ T7229] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  251.461943][ T7229] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  251.461950][ T7229] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  251.461957][ T7229] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  251.461972][ T7229]  </TASK>
[  251.462091][ T7229] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.763358][ T7229] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.124408][ T7233] loop1: detected capacity change from 0 to 32768
[  252.147297][ T7233] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.162999][ T7233] CPU: 1 UID: 0 PID: 7233 Comm: syz.1.189 Not tainted syzkaller #0 PREEMPT(full) 
[  252.163026][ T7233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  252.163038][ T7233] Call Trace:
[  252.163046][ T7233]  <TASK>
[  252.163054][ T7233]  dump_stack_lvl+0xe8/0x150
[  252.163086][ T7233]  sysfs_create_dir_ns+0x271/0x2a0
[  252.163113][ T7233]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  252.163147][ T7233]  ? do_raw_spin_unlock+0xf5/0x210
[  252.163170][ T7233]  kobject_add_internal+0x62b/0xd00
[  252.163202][ T7233]  kobject_init_and_add+0x12b/0x1a0
[  252.163239][ T7233]  ? __pfx_kobject_init_and_add+0x10/0x10
[  252.163263][ T7233]  ? __raw_spin_lock_init+0x45/0x100
[  252.163283][ T7233]  ? __init_swait_queue_head+0xa9/0x150
[  252.163307][ T7233]  gfs2_sys_fs_add+0x257/0x480
[  252.163333][ T7233]  ? is_dynamic_key+0x1ac/0x1c0
[  252.163357][ T7233]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  252.163391][ T7233]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  252.163421][ T7233]  gfs2_fill_super+0x13a7/0x21d0
[  252.163457][ T7233]  ? __pfx_gfs2_fill_super+0x10/0x10
[  252.163481][ T7233]  ? sb_set_blocksize+0x155/0x240
[  252.163504][ T7233]  ? setup_bdev_super+0x4c1/0x5b0
[  252.163526][ T7233]  get_tree_bdev_flags+0x431/0x4f0
[  252.163545][ T7233]  ? __pfx_gfs2_fill_super+0x10/0x10
[  252.163565][ T7233]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  252.163583][ T7233]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  252.163610][ T7233]  gfs2_get_tree+0x51/0x1e0
[  252.163634][ T7233]  vfs_get_tree+0x92/0x2a0
[  252.163656][ T7233]  do_new_mount+0x341/0xd30
[  252.163678][ T7233]  ? apparmor_capable+0x126/0x170
[  252.163703][ T7233]  ? __pfx_do_new_mount+0x10/0x10
[  252.163726][ T7233]  ? ns_capable+0x89/0xe0
[  252.163759][ T7233]  ? user_path_at+0xd4/0x160
[  252.163779][ T7233]  __se_sys_mount+0x31d/0x420
[  252.163807][ T7233]  ? __pfx___se_sys_mount+0x10/0x10
[  252.163836][ T7233]  ? __x64_sys_mount+0x20/0xc0
[  252.163872][ T7233]  do_syscall_64+0x14d/0xf80
[  252.163895][ T7233]  ? trace_irq_disable+0x3b/0x150
[  252.163910][ T7233]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  252.163929][ T7233]  ? clear_bhb_loop+0x40/0x90
[  252.163951][ T7233]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  252.163969][ T7233] RIP: 0033:0x7f4e25f9b60a
[  252.163987][ T7233] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  252.164005][ T7233] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.164026][ T7233] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  252.164038][ T7233] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  252.164051][ T7233] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  252.164063][ T7233] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  252.164074][ T7233] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  252.164101][ T7233]  </TASK>
[  252.164218][ T7233] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.466113][ T7233] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.766649][ T7237] loop1: detected capacity change from 0 to 32768
[  252.792735][ T7237] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.800774][ T7237] CPU: 1 UID: 0 PID: 7237 Comm: syz.1.190 Not tainted syzkaller #0 PREEMPT(full) 
[  252.800798][ T7237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  252.800809][ T7237] Call Trace:
[  252.800817][ T7237]  <TASK>
[  252.800825][ T7237]  dump_stack_lvl+0xe8/0x150
[  252.800856][ T7237]  sysfs_create_dir_ns+0x271/0x2a0
[  252.800884][ T7237]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  252.800908][ T7237]  ? do_raw_spin_unlock+0xf5/0x210
[  252.800932][ T7237]  kobject_add_internal+0x62b/0xd00
[  252.800962][ T7237]  kobject_init_and_add+0x12b/0x1a0
[  252.800990][ T7237]  ? __pfx_kobject_init_and_add+0x10/0x10
[  252.801014][ T7237]  ? __raw_spin_lock_init+0x45/0x100
[  252.801033][ T7237]  ? __init_swait_queue_head+0xa9/0x150
[  252.801053][ T7237]  gfs2_sys_fs_add+0x257/0x480
[  252.801077][ T7237]  ? is_dynamic_key+0x1ac/0x1c0
[  252.801099][ T7237]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  252.801132][ T7237]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  252.801162][ T7237]  gfs2_fill_super+0x13a7/0x21d0
[  252.801185][ T7237]  ? __pfx_gfs2_fill_super+0x10/0x10
[  252.801200][ T7237]  ? sb_set_blocksize+0x155/0x240
[  252.801215][ T7237]  ? setup_bdev_super+0x4c1/0x5b0
[  252.801228][ T7237]  get_tree_bdev_flags+0x431/0x4f0
[  252.801240][ T7237]  ? __pfx_gfs2_fill_super+0x10/0x10
[  252.801253][ T7237]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  252.801263][ T7237]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  252.801279][ T7237]  gfs2_get_tree+0x51/0x1e0
[  252.801293][ T7237]  vfs_get_tree+0x92/0x2a0
[  252.801306][ T7237]  do_new_mount+0x341/0xd30
[  252.801320][ T7237]  ? apparmor_capable+0x126/0x170
[  252.801335][ T7237]  ? __pfx_do_new_mount+0x10/0x10
[  252.801350][ T7237]  ? ns_capable+0x89/0xe0
[  252.801370][ T7237]  ? user_path_at+0xd4/0x160
[  252.801381][ T7237]  __se_sys_mount+0x31d/0x420
[  252.801399][ T7237]  ? __pfx___se_sys_mount+0x10/0x10
[  252.801417][ T7237]  ? __x64_sys_mount+0x20/0xc0
[  252.801433][ T7237]  do_syscall_64+0x14d/0xf80
[  252.801447][ T7237]  ? trace_irq_disable+0x3b/0x150
[  252.801456][ T7237]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  252.801467][ T7237]  ? clear_bhb_loop+0x40/0x90
[  252.801480][ T7237]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  252.801490][ T7237] RIP: 0033:0x7f4e25f9b60a
[  252.801503][ T7237] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  252.801511][ T7237] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.801523][ T7237] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  252.801531][ T7237] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  252.801544][ T7237] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  252.801551][ T7237] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  252.801558][ T7237] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  252.801574][ T7237]  </TASK>
[  252.801699][ T7237] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.104208][ T7237] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  253.405939][ T7241] loop1: detected capacity change from 0 to 32768
[  253.421745][ T7241] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.429709][ T7241] CPU: 1 UID: 0 PID: 7241 Comm: syz.1.191 Not tainted syzkaller #0 PREEMPT(full) 
[  253.429733][ T7241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  253.429744][ T7241] Call Trace:
[  253.429752][ T7241]  <TASK>
[  253.429759][ T7241]  dump_stack_lvl+0xe8/0x150
[  253.429791][ T7241]  sysfs_create_dir_ns+0x271/0x2a0
[  253.429820][ T7241]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  253.429846][ T7241]  ? do_raw_spin_unlock+0xf5/0x210
[  253.429870][ T7241]  kobject_add_internal+0x62b/0xd00
[  253.429901][ T7241]  kobject_init_and_add+0x12b/0x1a0
[  253.429931][ T7241]  ? __pfx_kobject_init_and_add+0x10/0x10
[  253.429958][ T7241]  ? __raw_spin_lock_init+0x45/0x100
[  253.429980][ T7241]  ? __init_swait_queue_head+0xa9/0x150
[  253.430004][ T7241]  gfs2_sys_fs_add+0x257/0x480
[  253.430028][ T7241]  ? is_dynamic_key+0x1ac/0x1c0
[  253.430050][ T7241]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  253.430082][ T7241]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  253.430113][ T7241]  gfs2_fill_super+0x13a7/0x21d0
[  253.430147][ T7241]  ? __pfx_gfs2_fill_super+0x10/0x10
[  253.430173][ T7241]  ? sb_set_blocksize+0x155/0x240
[  253.430197][ T7241]  ? setup_bdev_super+0x4c1/0x5b0
[  253.430219][ T7241]  get_tree_bdev_flags+0x431/0x4f0
[  253.430240][ T7241]  ? __pfx_gfs2_fill_super+0x10/0x10
[  253.430261][ T7241]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  253.430278][ T7241]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  253.430306][ T7241]  gfs2_get_tree+0x51/0x1e0
[  253.430330][ T7241]  vfs_get_tree+0x92/0x2a0
[  253.430352][ T7241]  do_new_mount+0x341/0xd30
[  253.430372][ T7241]  ? apparmor_capable+0x126/0x170
[  253.430398][ T7241]  ? __pfx_do_new_mount+0x10/0x10
[  253.430421][ T7241]  ? ns_capable+0x89/0xe0
[  253.430455][ T7241]  ? user_path_at+0xd4/0x160
[  253.430475][ T7241]  __se_sys_mount+0x31d/0x420
[  253.430516][ T7241]  ? __pfx___se_sys_mount+0x10/0x10
[  253.430546][ T7241]  ? __x64_sys_mount+0x20/0xc0
[  253.430572][ T7241]  do_syscall_64+0x14d/0xf80
[  253.430593][ T7241]  ? trace_irq_disable+0x3b/0x150
[  253.430607][ T7241]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  253.430626][ T7241]  ? clear_bhb_loop+0x40/0x90
[  253.430648][ T7241]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  253.430666][ T7241] RIP: 0033:0x7f4e25f9b60a
[  253.430685][ T7241] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  253.430699][ T7241] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.430719][ T7241] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  253.430732][ T7241] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  253.430744][ T7241] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  253.430755][ T7241] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  253.430766][ T7241] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  253.430796][ T7241]  </TASK>
[  253.430821][ T7241] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.732952][ T7241] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  254.037270][ T7245] loop1: detected capacity change from 0 to 32768
[  254.064538][ T7245] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.072399][ T7245] CPU: 0 UID: 0 PID: 7245 Comm: syz.1.192 Not tainted syzkaller #0 PREEMPT(full) 
[  254.072425][ T7245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  254.072435][ T7245] Call Trace:
[  254.072444][ T7245]  <TASK>
[  254.072452][ T7245]  dump_stack_lvl+0xe8/0x150
[  254.072484][ T7245]  sysfs_create_dir_ns+0x271/0x2a0
[  254.072512][ T7245]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  254.072539][ T7245]  ? do_raw_spin_unlock+0xf5/0x210
[  254.072563][ T7245]  kobject_add_internal+0x62b/0xd00
[  254.072597][ T7245]  kobject_init_and_add+0x12b/0x1a0
[  254.072628][ T7245]  ? __pfx_kobject_init_and_add+0x10/0x10
[  254.072655][ T7245]  ? __raw_spin_lock_init+0x45/0x100
[  254.072684][ T7245]  ? __init_swait_queue_head+0xa9/0x150
[  254.072708][ T7245]  gfs2_sys_fs_add+0x257/0x480
[  254.072733][ T7245]  ? is_dynamic_key+0x1ac/0x1c0
[  254.072757][ T7245]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  254.072790][ T7245]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  254.072823][ T7245]  gfs2_fill_super+0x13a7/0x21d0
[  254.072860][ T7245]  ? __pfx_gfs2_fill_super+0x10/0x10
[  254.072886][ T7245]  ? sb_set_blocksize+0x155/0x240
[  254.072911][ T7245]  ? setup_bdev_super+0x4c1/0x5b0
[  254.072934][ T7245]  get_tree_bdev_flags+0x431/0x4f0
[  254.072955][ T7245]  ? __pfx_gfs2_fill_super+0x10/0x10
[  254.072976][ T7245]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  254.072994][ T7245]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  254.073023][ T7245]  gfs2_get_tree+0x51/0x1e0
[  254.073047][ T7245]  vfs_get_tree+0x92/0x2a0
[  254.073070][ T7245]  do_new_mount+0x341/0xd30
[  254.073092][ T7245]  ? apparmor_capable+0x126/0x170
[  254.073119][ T7245]  ? __pfx_do_new_mount+0x10/0x10
[  254.073143][ T7245]  ? ns_capable+0x89/0xe0
[  254.073176][ T7245]  ? user_path_at+0xd4/0x160
[  254.073197][ T7245]  __se_sys_mount+0x31d/0x420
[  254.073227][ T7245]  ? __pfx___se_sys_mount+0x10/0x10
[  254.073258][ T7245]  ? __x64_sys_mount+0x20/0xc0
[  254.073285][ T7245]  do_syscall_64+0x14d/0xf80
[  254.073307][ T7245]  ? trace_irq_disable+0x3b/0x150
[  254.073323][ T7245]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  254.073342][ T7245]  ? clear_bhb_loop+0x40/0x90
[  254.073363][ T7245]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  254.073382][ T7245] RIP: 0033:0x7f4e25f9b60a
[  254.073400][ T7245] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  254.073415][ T7245] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.073434][ T7245] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  254.073448][ T7245] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  254.073461][ T7245] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  254.073473][ T7245] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  254.073485][ T7245] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  254.073514][ T7245]  </TASK>
[  254.073539][ T7245] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.380573][ T7245] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  254.691218][ T7249] loop1: detected capacity change from 0 to 32768
[  254.702122][ T7249] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.711188][ T7249] CPU: 1 UID: 0 PID: 7249 Comm: syz.1.193 Not tainted syzkaller #0 PREEMPT(full) 
[  254.711212][ T7249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  254.711222][ T7249] Call Trace:
[  254.711229][ T7249]  <TASK>
[  254.711236][ T7249]  dump_stack_lvl+0xe8/0x150
[  254.711266][ T7249]  sysfs_create_dir_ns+0x271/0x2a0
[  254.711291][ T7249]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  254.711313][ T7249]  ? do_raw_spin_unlock+0xf5/0x210
[  254.711335][ T7249]  kobject_add_internal+0x62b/0xd00
[  254.711364][ T7249]  kobject_init_and_add+0x12b/0x1a0
[  254.711391][ T7249]  ? __pfx_kobject_init_and_add+0x10/0x10
[  254.711414][ T7249]  ? __raw_spin_lock_init+0x45/0x100
[  254.711435][ T7249]  ? __init_swait_queue_head+0xa9/0x150
[  254.711457][ T7249]  gfs2_sys_fs_add+0x257/0x480
[  254.711481][ T7249]  ? is_dynamic_key+0x1ac/0x1c0
[  254.711503][ T7249]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  254.711534][ T7249]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  254.711561][ T7249]  gfs2_fill_super+0x13a7/0x21d0
[  254.711595][ T7249]  ? __pfx_gfs2_fill_super+0x10/0x10
[  254.711621][ T7249]  ? sb_set_blocksize+0x155/0x240
[  254.711654][ T7249]  ? setup_bdev_super+0x4c1/0x5b0
[  254.711676][ T7249]  get_tree_bdev_flags+0x431/0x4f0
[  254.711696][ T7249]  ? __pfx_gfs2_fill_super+0x10/0x10
[  254.711716][ T7249]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  254.711733][ T7249]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  254.711762][ T7249]  gfs2_get_tree+0x51/0x1e0
[  254.711783][ T7249]  vfs_get_tree+0x92/0x2a0
[  254.711802][ T7249]  do_new_mount+0x341/0xd30
[  254.711821][ T7249]  ? apparmor_capable+0x126/0x170
[  254.711844][ T7249]  ? __pfx_do_new_mount+0x10/0x10
[  254.711864][ T7249]  ? ns_capable+0x89/0xe0
[  254.711896][ T7249]  ? user_path_at+0xd4/0x160
[  254.711916][ T7249]  __se_sys_mount+0x31d/0x420
[  254.711941][ T7249]  ? __pfx___se_sys_mount+0x10/0x10
[  254.711967][ T7249]  ? __x64_sys_mount+0x20/0xc0
[  254.711991][ T7249]  do_syscall_64+0x14d/0xf80
[  254.712012][ T7249]  ? trace_irq_disable+0x3b/0x150
[  254.712028][ T7249]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  254.712047][ T7249]  ? clear_bhb_loop+0x40/0x90
[  254.712069][ T7249]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  254.712085][ T7249] RIP: 0033:0x7f4e25f9b60a
[  254.712102][ T7249] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  254.712116][ T7249] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.712134][ T7249] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  254.712146][ T7249] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  254.712159][ T7249] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  254.712170][ T7249] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  254.712179][ T7249] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  254.712205][ T7249]  </TASK>
[  254.712226][ T7249] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.014187][ T7249] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/20 09:17:57 executed programs: 179
[  255.314474][ T7253] loop1: detected capacity change from 0 to 32768
[  255.341474][ T7253] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.349112][ T7253] CPU: 0 UID: 0 PID: 7253 Comm: syz.1.194 Not tainted syzkaller #0 PREEMPT(full) 
[  255.349137][ T7253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  255.349148][ T7253] Call Trace:
[  255.349156][ T7253]  <TASK>
[  255.349163][ T7253]  dump_stack_lvl+0xe8/0x150
[  255.349195][ T7253]  sysfs_create_dir_ns+0x271/0x2a0
[  255.349220][ T7253]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  255.349244][ T7253]  ? do_raw_spin_unlock+0xf5/0x210
[  255.349265][ T7253]  kobject_add_internal+0x62b/0xd00
[  255.349296][ T7253]  kobject_init_and_add+0x12b/0x1a0
[  255.349323][ T7253]  ? __pfx_kobject_init_and_add+0x10/0x10
[  255.349347][ T7253]  ? __raw_spin_lock_init+0x45/0x100
[  255.349368][ T7253]  ? __init_swait_queue_head+0xa9/0x150
[  255.349400][ T7253]  gfs2_sys_fs_add+0x257/0x480
[  255.349422][ T7253]  ? is_dynamic_key+0x1ac/0x1c0
[  255.349443][ T7253]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  255.349475][ T7253]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  255.349508][ T7253]  gfs2_fill_super+0x13a7/0x21d0
[  255.349543][ T7253]  ? __pfx_gfs2_fill_super+0x10/0x10
[  255.349568][ T7253]  ? sb_set_blocksize+0x155/0x240
[  255.349591][ T7253]  ? setup_bdev_super+0x4c1/0x5b0
[  255.349612][ T7253]  get_tree_bdev_flags+0x431/0x4f0
[  255.349631][ T7253]  ? __pfx_gfs2_fill_super+0x10/0x10
[  255.349650][ T7253]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  255.349666][ T7253]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  255.349691][ T7253]  gfs2_get_tree+0x51/0x1e0
[  255.349714][ T7253]  vfs_get_tree+0x92/0x2a0
[  255.349735][ T7253]  do_new_mount+0x341/0xd30
[  255.349755][ T7253]  ? apparmor_capable+0x126/0x170
[  255.349778][ T7253]  ? __pfx_do_new_mount+0x10/0x10
[  255.349799][ T7253]  ? ns_capable+0x89/0xe0
[  255.349830][ T7253]  ? user_path_at+0xd4/0x160
[  255.349850][ T7253]  __se_sys_mount+0x31d/0x420
[  255.349880][ T7253]  ? __pfx___se_sys_mount+0x10/0x10
[  255.349909][ T7253]  ? __x64_sys_mount+0x20/0xc0
[  255.349935][ T7253]  do_syscall_64+0x14d/0xf80
[  255.349957][ T7253]  ? trace_irq_disable+0x3b/0x150
[  255.349972][ T7253]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  255.349991][ T7253]  ? clear_bhb_loop+0x40/0x90
[  255.350013][ T7253]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  255.350030][ T7253] RIP: 0033:0x7f4e25f9b60a
[  255.350048][ T7253] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  255.350063][ T7253] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.350083][ T7253] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  255.350096][ T7253] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  255.350108][ T7253] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  255.350121][ T7253] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  255.350132][ T7253] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  255.350161][ T7253]  </TASK>
[  255.350213][ T7253] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.653368][ T7253] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.706647][ T1307] ieee802154 phy0 wpan0: encryption failed: -22
[  255.713071][ T1307] ieee802154 phy1 wpan1: encryption failed: -22
[  255.971669][ T7257] loop1: detected capacity change from 0 to 32768
[  255.987734][ T7257] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.995145][ T7257] CPU: 1 UID: 0 PID: 7257 Comm: syz.1.195 Not tainted syzkaller #0 PREEMPT(full) 
[  255.995169][ T7257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  255.995180][ T7257] Call Trace:
[  255.995187][ T7257]  <TASK>
[  255.995193][ T7257]  dump_stack_lvl+0xe8/0x150
[  255.995219][ T7257]  sysfs_create_dir_ns+0x271/0x2a0
[  255.995247][ T7257]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  255.995267][ T7257]  ? do_raw_spin_unlock+0xf5/0x210
[  255.995286][ T7257]  kobject_add_internal+0x62b/0xd00
[  255.995316][ T7257]  kobject_init_and_add+0x12b/0x1a0
[  255.995340][ T7257]  ? __pfx_kobject_init_and_add+0x10/0x10
[  255.995361][ T7257]  ? __raw_spin_lock_init+0x45/0x100
[  255.995377][ T7257]  ? __init_swait_queue_head+0xa9/0x150
[  255.995395][ T7257]  gfs2_sys_fs_add+0x257/0x480
[  255.995415][ T7257]  ? is_dynamic_key+0x1ac/0x1c0
[  255.995433][ T7257]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  255.995458][ T7257]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  255.995483][ T7257]  gfs2_fill_super+0x13a7/0x21d0
[  255.995511][ T7257]  ? __pfx_gfs2_fill_super+0x10/0x10
[  255.995531][ T7257]  ? sb_set_blocksize+0x155/0x240
[  255.995550][ T7257]  ? setup_bdev_super+0x4c1/0x5b0
[  255.995568][ T7257]  get_tree_bdev_flags+0x431/0x4f0
[  255.995584][ T7257]  ? __pfx_gfs2_fill_super+0x10/0x10
[  255.995599][ T7257]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  255.995614][ T7257]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  255.995635][ T7257]  gfs2_get_tree+0x51/0x1e0
[  255.995654][ T7257]  vfs_get_tree+0x92/0x2a0
[  255.995670][ T7257]  do_new_mount+0x341/0xd30
[  255.995688][ T7257]  ? apparmor_capable+0x126/0x170
[  255.995708][ T7257]  ? __pfx_do_new_mount+0x10/0x10
[  255.995726][ T7257]  ? ns_capable+0x89/0xe0
[  255.995752][ T7257]  ? user_path_at+0xd4/0x160
[  255.995768][ T7257]  __se_sys_mount+0x31d/0x420
[  255.995790][ T7257]  ? __pfx___se_sys_mount+0x10/0x10
[  255.995813][ T7257]  ? __x64_sys_mount+0x20/0xc0
[  255.995833][ T7257]  do_syscall_64+0x14d/0xf80
[  255.995850][ T7257]  ? trace_irq_disable+0x3b/0x150
[  255.995862][ T7257]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  255.995877][ T7257]  ? clear_bhb_loop+0x40/0x90
[  255.995894][ T7257]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  255.995908][ T7257] RIP: 0033:0x7f4e25f9b60a
[  255.995923][ T7257] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  255.995935][ T7257] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.995950][ T7257] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  255.995961][ T7257] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  255.995971][ T7257] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  255.995981][ T7257] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  255.995990][ T7257] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  255.996012][ T7257]  </TASK>
[  255.996038][ T7257] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.297938][ T7257] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  256.605808][ T7261] loop1: detected capacity change from 0 to 32768
[  256.648316][ T7261] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  256.655746][ T7261] CPU: 0 UID: 0 PID: 7261 Comm: syz.1.196 Not tainted syzkaller #0 PREEMPT(full) 
[  256.655772][ T7261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  256.655783][ T7261] Call Trace:
[  256.655792][ T7261]  <TASK>
[  256.655800][ T7261]  dump_stack_lvl+0xe8/0x150
[  256.655829][ T7261]  sysfs_create_dir_ns+0x271/0x2a0
[  256.655857][ T7261]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  256.655883][ T7261]  ? do_raw_spin_unlock+0xf5/0x210
[  256.655907][ T7261]  kobject_add_internal+0x62b/0xd00
[  256.655941][ T7261]  kobject_init_and_add+0x12b/0x1a0
[  256.655972][ T7261]  ? __pfx_kobject_init_and_add+0x10/0x10
[  256.655997][ T7261]  ? __raw_spin_lock_init+0x45/0x100
[  256.656017][ T7261]  ? __init_swait_queue_head+0xa9/0x150
[  256.656041][ T7261]  gfs2_sys_fs_add+0x257/0x480
[  256.656066][ T7261]  ? is_dynamic_key+0x1ac/0x1c0
[  256.656087][ T7261]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  256.656119][ T7261]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  256.656149][ T7261]  gfs2_fill_super+0x13a7/0x21d0
[  256.656186][ T7261]  ? __pfx_gfs2_fill_super+0x10/0x10
[  256.656211][ T7261]  ? sb_set_blocksize+0x155/0x240
[  256.656235][ T7261]  ? setup_bdev_super+0x4c1/0x5b0
[  256.656258][ T7261]  get_tree_bdev_flags+0x431/0x4f0
[  256.656277][ T7261]  ? __pfx_gfs2_fill_super+0x10/0x10
[  256.656298][ T7261]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  256.656316][ T7261]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  256.656344][ T7261]  gfs2_get_tree+0x51/0x1e0
[  256.656368][ T7261]  vfs_get_tree+0x92/0x2a0
[  256.656389][ T7261]  do_new_mount+0x341/0xd30
[  256.656413][ T7261]  ? apparmor_capable+0x126/0x170
[  256.656438][ T7261]  ? __pfx_do_new_mount+0x10/0x10
[  256.656462][ T7261]  ? ns_capable+0x89/0xe0
[  256.656495][ T7261]  ? user_path_at+0xd4/0x160
[  256.656522][ T7261]  __se_sys_mount+0x31d/0x420
[  256.656552][ T7261]  ? __pfx___se_sys_mount+0x10/0x10
[  256.656582][ T7261]  ? __x64_sys_mount+0x20/0xc0
[  256.656605][ T7261]  do_syscall_64+0x14d/0xf80
[  256.656627][ T7261]  ? trace_irq_disable+0x3b/0x150
[  256.656644][ T7261]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  256.656662][ T7261]  ? clear_bhb_loop+0x40/0x90
[  256.656685][ T7261]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  256.656703][ T7261] RIP: 0033:0x7f4e25f9b60a
[  256.656720][ T7261] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  256.656734][ T7261] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.656753][ T7261] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  256.656766][ T7261] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  256.656778][ T7261] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  256.656790][ T7261] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  256.656801][ T7261] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  256.656829][ T7261]  </TASK>
[  256.656854][ T7261] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.962031][ T7261] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  257.267056][ T7265] loop1: detected capacity change from 0 to 32768
[  257.280224][ T7265] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.288150][ T7265] CPU: 1 UID: 0 PID: 7265 Comm: syz.1.197 Not tainted syzkaller #0 PREEMPT(full) 
[  257.288174][ T7265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  257.288185][ T7265] Call Trace:
[  257.288194][ T7265]  <TASK>
[  257.288202][ T7265]  dump_stack_lvl+0xe8/0x150
[  257.288233][ T7265]  sysfs_create_dir_ns+0x271/0x2a0
[  257.288262][ T7265]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  257.288288][ T7265]  ? do_raw_spin_unlock+0xf5/0x210
[  257.288313][ T7265]  kobject_add_internal+0x62b/0xd00
[  257.288345][ T7265]  kobject_init_and_add+0x12b/0x1a0
[  257.288375][ T7265]  ? __pfx_kobject_init_and_add+0x10/0x10
[  257.288399][ T7265]  ? __raw_spin_lock_init+0x45/0x100
[  257.288419][ T7265]  ? __init_swait_queue_head+0xa9/0x150
[  257.288441][ T7265]  gfs2_sys_fs_add+0x257/0x480
[  257.288483][ T7265]  ? is_dynamic_key+0x1ac/0x1c0
[  257.288506][ T7265]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  257.288539][ T7265]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  257.288570][ T7265]  gfs2_fill_super+0x13a7/0x21d0
[  257.288605][ T7265]  ? __pfx_gfs2_fill_super+0x10/0x10
[  257.288630][ T7265]  ? sb_set_blocksize+0x155/0x240
[  257.288654][ T7265]  ? setup_bdev_super+0x4c1/0x5b0
[  257.288678][ T7265]  get_tree_bdev_flags+0x431/0x4f0
[  257.288698][ T7265]  ? __pfx_gfs2_fill_super+0x10/0x10
[  257.288718][ T7265]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  257.288735][ T7265]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  257.288764][ T7265]  gfs2_get_tree+0x51/0x1e0
[  257.288789][ T7265]  vfs_get_tree+0x92/0x2a0
[  257.288812][ T7265]  do_new_mount+0x341/0xd30
[  257.288834][ T7265]  ? apparmor_capable+0x126/0x170
[  257.288860][ T7265]  ? __pfx_do_new_mount+0x10/0x10
[  257.288883][ T7265]  ? ns_capable+0x89/0xe0
[  257.288923][ T7265]  ? user_path_at+0xd4/0x160
[  257.288943][ T7265]  __se_sys_mount+0x31d/0x420
[  257.288971][ T7265]  ? __pfx___se_sys_mount+0x10/0x10
[  257.289000][ T7265]  ? __x64_sys_mount+0x20/0xc0
[  257.289026][ T7265]  do_syscall_64+0x14d/0xf80
[  257.289048][ T7265]  ? trace_irq_disable+0x3b/0x150
[  257.289063][ T7265]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  257.289081][ T7265]  ? clear_bhb_loop+0x40/0x90
[  257.289103][ T7265]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  257.289121][ T7265] RIP: 0033:0x7f4e25f9b60a
[  257.289139][ T7265] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  257.289154][ T7265] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.289174][ T7265] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  257.289188][ T7265] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  257.289199][ T7265] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  257.289210][ T7265] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  257.289221][ T7265] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  257.289249][ T7265]  </TASK>
[  257.289275][ T7265] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  257.591594][ T7265] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  257.891059][ T7269] loop1: detected capacity change from 0 to 32768
[  257.918135][ T7269] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.925535][ T7269] CPU: 0 UID: 0 PID: 7269 Comm: syz.1.198 Not tainted syzkaller #0 PREEMPT(full) 
[  257.925551][ T7269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  257.925558][ T7269] Call Trace:
[  257.925563][ T7269]  <TASK>
[  257.925568][ T7269]  dump_stack_lvl+0xe8/0x150
[  257.925589][ T7269]  sysfs_create_dir_ns+0x271/0x2a0
[  257.925606][ T7269]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  257.925621][ T7269]  ? do_raw_spin_unlock+0xf5/0x210
[  257.925636][ T7269]  kobject_add_internal+0x62b/0xd00
[  257.925657][ T7269]  kobject_init_and_add+0x12b/0x1a0
[  257.925676][ T7269]  ? __pfx_kobject_init_and_add+0x10/0x10
[  257.925692][ T7269]  ? __raw_spin_lock_init+0x45/0x100
[  257.925704][ T7269]  ? __init_swait_queue_head+0xa9/0x150
[  257.925718][ T7269]  gfs2_sys_fs_add+0x257/0x480
[  257.925734][ T7269]  ? is_dynamic_key+0x1ac/0x1c0
[  257.925748][ T7269]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  257.925768][ T7269]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  257.925786][ T7269]  gfs2_fill_super+0x13a7/0x21d0
[  257.925807][ T7269]  ? __pfx_gfs2_fill_super+0x10/0x10
[  257.925821][ T7269]  ? sb_set_blocksize+0x155/0x240
[  257.925836][ T7269]  ? setup_bdev_super+0x4c1/0x5b0
[  257.925851][ T7269]  get_tree_bdev_flags+0x431/0x4f0
[  257.925863][ T7269]  ? __pfx_gfs2_fill_super+0x10/0x10
[  257.925875][ T7269]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  257.925886][ T7269]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  257.925902][ T7269]  gfs2_get_tree+0x51/0x1e0
[  257.925917][ T7269]  vfs_get_tree+0x92/0x2a0
[  257.925929][ T7269]  do_new_mount+0x341/0xd30
[  257.925944][ T7269]  ? apparmor_capable+0x126/0x170
[  257.925959][ T7269]  ? __pfx_do_new_mount+0x10/0x10
[  257.925974][ T7269]  ? ns_capable+0x89/0xe0
[  257.925993][ T7269]  ? user_path_at+0xd4/0x160
[  257.926006][ T7269]  __se_sys_mount+0x31d/0x420
[  257.926023][ T7269]  ? __pfx___se_sys_mount+0x10/0x10
[  257.926041][ T7269]  ? __x64_sys_mount+0x20/0xc0
[  257.926056][ T7269]  do_syscall_64+0x14d/0xf80
[  257.926070][ T7269]  ? trace_irq_disable+0x3b/0x150
[  257.926080][ T7269]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  257.926091][ T7269]  ? clear_bhb_loop+0x40/0x90
[  257.926104][ T7269]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  257.926115][ T7269] RIP: 0033:0x7f4e25f9b60a
[  257.926127][ T7269] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  257.926136][ T7269] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.926148][ T7269] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  257.926156][ T7269] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  257.926163][ T7269] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  257.926170][ T7269] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  257.926176][ T7269] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  257.926192][ T7269]  </TASK>
[  257.926208][ T7269] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.232243][ T7269] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  258.535705][ T7273] loop1: detected capacity change from 0 to 32768
[  258.559575][ T7273] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  258.568002][ T7273] CPU: 1 UID: 0 PID: 7273 Comm: syz.1.199 Not tainted syzkaller #0 PREEMPT(full) 
[  258.568027][ T7273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  258.568037][ T7273] Call Trace:
[  258.568045][ T7273]  <TASK>
[  258.568052][ T7273]  dump_stack_lvl+0xe8/0x150
[  258.568084][ T7273]  sysfs_create_dir_ns+0x271/0x2a0
[  258.568110][ T7273]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  258.568133][ T7273]  ? do_raw_spin_unlock+0xf5/0x210
[  258.568148][ T7273]  kobject_add_internal+0x62b/0xd00
[  258.568169][ T7273]  kobject_init_and_add+0x12b/0x1a0
[  258.568187][ T7273]  ? __pfx_kobject_init_and_add+0x10/0x10
[  258.568204][ T7273]  ? __raw_spin_lock_init+0x45/0x100
[  258.568216][ T7273]  ? __init_swait_queue_head+0xa9/0x150
[  258.568229][ T7273]  gfs2_sys_fs_add+0x257/0x480
[  258.568246][ T7273]  ? is_dynamic_key+0x1ac/0x1c0
[  258.568260][ T7273]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  258.568280][ T7273]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  258.568298][ T7273]  gfs2_fill_super+0x13a7/0x21d0
[  258.568319][ T7273]  ? __pfx_gfs2_fill_super+0x10/0x10
[  258.568334][ T7273]  ? sb_set_blocksize+0x155/0x240
[  258.568348][ T7273]  ? setup_bdev_super+0x4c1/0x5b0
[  258.568362][ T7273]  get_tree_bdev_flags+0x431/0x4f0
[  258.568374][ T7273]  ? __pfx_gfs2_fill_super+0x10/0x10
[  258.568387][ T7273]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  258.568397][ T7273]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  258.568413][ T7273]  gfs2_get_tree+0x51/0x1e0
[  258.568428][ T7273]  vfs_get_tree+0x92/0x2a0
[  258.568440][ T7273]  do_new_mount+0x341/0xd30
[  258.568455][ T7273]  ? apparmor_capable+0x126/0x170
[  258.568471][ T7273]  ? __pfx_do_new_mount+0x10/0x10
[  258.568485][ T7273]  ? ns_capable+0x89/0xe0
[  258.568505][ T7273]  ? user_path_at+0xd4/0x160
[  258.568517][ T7273]  __se_sys_mount+0x31d/0x420
[  258.568535][ T7273]  ? __pfx___se_sys_mount+0x10/0x10
[  258.568553][ T7273]  ? __x64_sys_mount+0x20/0xc0
[  258.568569][ T7273]  do_syscall_64+0x14d/0xf80
[  258.568582][ T7273]  ? trace_irq_disable+0x3b/0x150
[  258.568592][ T7273]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  258.568602][ T7273]  ? clear_bhb_loop+0x40/0x90
[  258.568616][ T7273]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  258.568626][ T7273] RIP: 0033:0x7f4e25f9b60a
[  258.568637][ T7273] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  258.568646][ T7273] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  258.568658][ T7273] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  258.568666][ T7273] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  258.568672][ T7273] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  258.568679][ T7273] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  258.568686][ T7273] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  258.568702][ T7273]  </TASK>
[  258.569081][ T7273] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.871306][ T7273] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.184631][ T7277] loop1: detected capacity change from 0 to 32768
[  259.201643][ T7277] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.209674][ T7277] CPU: 0 UID: 0 PID: 7277 Comm: syz.1.200 Not tainted syzkaller #0 PREEMPT(full) 
[  259.209700][ T7277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  259.209711][ T7277] Call Trace:
[  259.209720][ T7277]  <TASK>
[  259.209728][ T7277]  dump_stack_lvl+0xe8/0x150
[  259.209760][ T7277]  sysfs_create_dir_ns+0x271/0x2a0
[  259.209788][ T7277]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  259.209813][ T7277]  ? do_raw_spin_unlock+0xf5/0x210
[  259.209835][ T7277]  kobject_add_internal+0x62b/0xd00
[  259.209864][ T7277]  kobject_init_and_add+0x12b/0x1a0
[  259.209891][ T7277]  ? __pfx_kobject_init_and_add+0x10/0x10
[  259.209917][ T7277]  ? __raw_spin_lock_init+0x45/0x100
[  259.209949][ T7277]  ? __init_swait_queue_head+0xa9/0x150
[  259.209972][ T7277]  gfs2_sys_fs_add+0x257/0x480
[  259.209997][ T7277]  ? is_dynamic_key+0x1ac/0x1c0
[  259.210020][ T7277]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  259.210053][ T7277]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  259.210084][ T7277]  gfs2_fill_super+0x13a7/0x21d0
[  259.210120][ T7277]  ? __pfx_gfs2_fill_super+0x10/0x10
[  259.210146][ T7277]  ? sb_set_blocksize+0x155/0x240
[  259.210171][ T7277]  ? setup_bdev_super+0x4c1/0x5b0
[  259.210193][ T7277]  get_tree_bdev_flags+0x431/0x4f0
[  259.210213][ T7277]  ? __pfx_gfs2_fill_super+0x10/0x10
[  259.210234][ T7277]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  259.210252][ T7277]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  259.210279][ T7277]  gfs2_get_tree+0x51/0x1e0
[  259.210304][ T7277]  vfs_get_tree+0x92/0x2a0
[  259.210325][ T7277]  do_new_mount+0x341/0xd30
[  259.210348][ T7277]  ? apparmor_capable+0x126/0x170
[  259.210372][ T7277]  ? __pfx_do_new_mount+0x10/0x10
[  259.210396][ T7277]  ? ns_capable+0x89/0xe0
[  259.210429][ T7277]  ? user_path_at+0xd4/0x160
[  259.210450][ T7277]  __se_sys_mount+0x31d/0x420
[  259.210480][ T7277]  ? __pfx___se_sys_mount+0x10/0x10
[  259.210511][ T7277]  ? __x64_sys_mount+0x20/0xc0
[  259.210536][ T7277]  do_syscall_64+0x14d/0xf80
[  259.210558][ T7277]  ? trace_irq_disable+0x3b/0x150
[  259.210574][ T7277]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  259.210592][ T7277]  ? clear_bhb_loop+0x40/0x90
[  259.210614][ T7277]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  259.210632][ T7277] RIP: 0033:0x7f4e25f9b60a
[  259.210650][ T7277] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  259.210664][ T7277] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.210684][ T7277] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  259.210697][ T7277] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  259.210710][ T7277] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  259.210722][ T7277] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  259.210735][ T7277] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  259.210765][ T7277]  </TASK>
[  259.210792][ T7277] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  259.514936][ T7277] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.807835][ T7281] loop1: detected capacity change from 0 to 32768
[  259.820157][ T7281] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.827573][ T7281] CPU: 0 UID: 0 PID: 7281 Comm: syz.1.201 Not tainted syzkaller #0 PREEMPT(full) 
[  259.827599][ T7281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  259.827609][ T7281] Call Trace:
[  259.827616][ T7281]  <TASK>
[  259.827624][ T7281]  dump_stack_lvl+0xe8/0x150
[  259.827654][ T7281]  sysfs_create_dir_ns+0x271/0x2a0
[  259.827682][ T7281]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  259.827707][ T7281]  ? do_raw_spin_unlock+0xf5/0x210
[  259.827729][ T7281]  kobject_add_internal+0x62b/0xd00
[  259.827761][ T7281]  kobject_init_and_add+0x12b/0x1a0
[  259.827791][ T7281]  ? __pfx_kobject_init_and_add+0x10/0x10
[  259.827817][ T7281]  ? __raw_spin_lock_init+0x45/0x100
[  259.827838][ T7281]  ? __init_swait_queue_head+0xa9/0x150
[  259.827858][ T7281]  gfs2_sys_fs_add+0x257/0x480
[  259.827880][ T7281]  ? is_dynamic_key+0x1ac/0x1c0
[  259.827902][ T7281]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  259.827934][ T7281]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  259.827974][ T7281]  gfs2_fill_super+0x13a7/0x21d0
[  259.828010][ T7281]  ? __pfx_gfs2_fill_super+0x10/0x10
[  259.828036][ T7281]  ? sb_set_blocksize+0x155/0x240
[  259.828058][ T7281]  ? setup_bdev_super+0x4c1/0x5b0
[  259.828081][ T7281]  get_tree_bdev_flags+0x431/0x4f0
[  259.828102][ T7281]  ? __pfx_gfs2_fill_super+0x10/0x10
[  259.828123][ T7281]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  259.828142][ T7281]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  259.828169][ T7281]  gfs2_get_tree+0x51/0x1e0
[  259.828193][ T7281]  vfs_get_tree+0x92/0x2a0
[  259.828214][ T7281]  do_new_mount+0x341/0xd30
[  259.828237][ T7281]  ? apparmor_capable+0x126/0x170
[  259.828262][ T7281]  ? __pfx_do_new_mount+0x10/0x10
[  259.828285][ T7281]  ? ns_capable+0x89/0xe0
[  259.828318][ T7281]  ? user_path_at+0xd4/0x160
[  259.828338][ T7281]  __se_sys_mount+0x31d/0x420
[  259.828366][ T7281]  ? __pfx___se_sys_mount+0x10/0x10
[  259.828395][ T7281]  ? __x64_sys_mount+0x20/0xc0
[  259.828421][ T7281]  do_syscall_64+0x14d/0xf80
[  259.828444][ T7281]  ? trace_irq_disable+0x3b/0x150
[  259.828460][ T7281]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  259.828479][ T7281]  ? clear_bhb_loop+0x40/0x90
[  259.828502][ T7281]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  259.828520][ T7281] RIP: 0033:0x7f4e25f9b60a
[  259.828537][ T7281] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  259.828552][ T7281] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.828572][ T7281] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  259.828585][ T7281] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  259.828597][ T7281] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  259.828609][ T7281] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  259.828620][ T7281] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  259.828647][ T7281]  </TASK>
[  260.118659][ T7281] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  260.132737][ T7281] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/20 09:18:02 executed programs: 187
[  260.442428][ T7285] loop1: detected capacity change from 0 to 32768
[  260.469485][ T7285] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  260.476935][ T7285] CPU: 0 UID: 0 PID: 7285 Comm: syz.1.202 Not tainted syzkaller #0 PREEMPT(full) 
[  260.476958][ T7285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  260.476969][ T7285] Call Trace:
[  260.476979][ T7285]  <TASK>
[  260.476986][ T7285]  dump_stack_lvl+0xe8/0x150
[  260.477013][ T7285]  sysfs_create_dir_ns+0x271/0x2a0
[  260.477037][ T7285]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  260.477060][ T7285]  ? do_raw_spin_unlock+0xf5/0x210
[  260.477078][ T7285]  kobject_add_internal+0x62b/0xd00
[  260.477100][ T7285]  kobject_init_and_add+0x12b/0x1a0
[  260.477118][ T7285]  ? __pfx_kobject_init_and_add+0x10/0x10
[  260.477140][ T7285]  ? __raw_spin_lock_init+0x45/0x100
[  260.477152][ T7285]  ? __init_swait_queue_head+0xa9/0x150
[  260.477165][ T7285]  gfs2_sys_fs_add+0x257/0x480
[  260.477182][ T7285]  ? is_dynamic_key+0x1ac/0x1c0
[  260.477196][ T7285]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  260.477216][ T7285]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  260.477235][ T7285]  gfs2_fill_super+0x13a7/0x21d0
[  260.477255][ T7285]  ? __pfx_gfs2_fill_super+0x10/0x10
[  260.477270][ T7285]  ? sb_set_blocksize+0x155/0x240
[  260.477284][ T7285]  ? setup_bdev_super+0x4c1/0x5b0
[  260.477298][ T7285]  get_tree_bdev_flags+0x431/0x4f0
[  260.477310][ T7285]  ? __pfx_gfs2_fill_super+0x10/0x10
[  260.477322][ T7285]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  260.477333][ T7285]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  260.477349][ T7285]  gfs2_get_tree+0x51/0x1e0
[  260.477363][ T7285]  vfs_get_tree+0x92/0x2a0
[  260.477376][ T7285]  do_new_mount+0x341/0xd30
[  260.477391][ T7285]  ? apparmor_capable+0x126/0x170
[  260.477406][ T7285]  ? __pfx_do_new_mount+0x10/0x10
[  260.477421][ T7285]  ? ns_capable+0x89/0xe0
[  260.477441][ T7285]  ? user_path_at+0xd4/0x160
[  260.477453][ T7285]  __se_sys_mount+0x31d/0x420
[  260.477471][ T7285]  ? __pfx___se_sys_mount+0x10/0x10
[  260.477489][ T7285]  ? __x64_sys_mount+0x20/0xc0
[  260.477504][ T7285]  do_syscall_64+0x14d/0xf80
[  260.477518][ T7285]  ? trace_irq_disable+0x3b/0x150
[  260.477528][ T7285]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  260.477538][ T7285]  ? clear_bhb_loop+0x40/0x90
[  260.477551][ T7285]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  260.477562][ T7285] RIP: 0033:0x7f4e25f9b60a
[  260.477574][ T7285] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  260.477588][ T7285] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  260.477606][ T7285] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  260.477617][ T7285] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  260.477627][ T7285] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  260.477637][ T7285] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  260.477666][ T7285] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  260.477691][ T7285]  </TASK>
[  260.767366][ T7285] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  260.781862][ T7285] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  261.095309][ T7289] loop1: detected capacity change from 0 to 32768
[  261.128433][ T7289] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  261.135949][ T7289] CPU: 0 UID: 0 PID: 7289 Comm: syz.1.203 Not tainted syzkaller #0 PREEMPT(full) 
[  261.135981][ T7289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  261.135993][ T7289] Call Trace:
[  261.136001][ T7289]  <TASK>
[  261.136009][ T7289]  dump_stack_lvl+0xe8/0x150
[  261.136042][ T7289]  sysfs_create_dir_ns+0x271/0x2a0
[  261.136070][ T7289]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  261.136095][ T7289]  ? do_raw_spin_unlock+0xf5/0x210
[  261.136120][ T7289]  kobject_add_internal+0x62b/0xd00
[  261.136154][ T7289]  kobject_init_and_add+0x12b/0x1a0
[  261.136185][ T7289]  ? __pfx_kobject_init_and_add+0x10/0x10
[  261.136213][ T7289]  ? __raw_spin_lock_init+0x45/0x100
[  261.136234][ T7289]  ? __init_swait_queue_head+0xa9/0x150
[  261.136258][ T7289]  gfs2_sys_fs_add+0x257/0x480
[  261.136284][ T7289]  ? is_dynamic_key+0x1ac/0x1c0
[  261.136307][ T7289]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  261.136341][ T7289]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  261.136374][ T7289]  gfs2_fill_super+0x13a7/0x21d0
[  261.136411][ T7289]  ? __pfx_gfs2_fill_super+0x10/0x10
[  261.136437][ T7289]  ? sb_set_blocksize+0x155/0x240
[  261.136462][ T7289]  ? setup_bdev_super+0x4c1/0x5b0
[  261.136485][ T7289]  get_tree_bdev_flags+0x431/0x4f0
[  261.136506][ T7289]  ? __pfx_gfs2_fill_super+0x10/0x10
[  261.136527][ T7289]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  261.136545][ T7289]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  261.136575][ T7289]  gfs2_get_tree+0x51/0x1e0
[  261.136599][ T7289]  vfs_get_tree+0x92/0x2a0
[  261.136620][ T7289]  do_new_mount+0x341/0xd30
[  261.136643][ T7289]  ? apparmor_capable+0x126/0x170
[  261.136668][ T7289]  ? __pfx_do_new_mount+0x10/0x10
[  261.136691][ T7289]  ? ns_capable+0x89/0xe0
[  261.136723][ T7289]  ? user_path_at+0xd4/0x160
[  261.136745][ T7289]  __se_sys_mount+0x31d/0x420
[  261.136775][ T7289]  ? __pfx___se_sys_mount+0x10/0x10
[  261.136813][ T7289]  ? __x64_sys_mount+0x20/0xc0
[  261.136838][ T7289]  do_syscall_64+0x14d/0xf80
[  261.136860][ T7289]  ? trace_irq_disable+0x3b/0x150
[  261.136877][ T7289]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  261.136895][ T7289]  ? clear_bhb_loop+0x40/0x90
[  261.136919][ T7289]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  261.136937][ T7289] RIP: 0033:0x7f4e25f9b60a
[  261.136955][ T7289] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  261.136976][ T7289] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  261.136996][ T7289] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  261.137009][ T7289] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  261.137021][ T7289] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  261.137033][ T7289] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  261.137045][ T7289] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  261.137074][ T7289]  </TASK>
[  261.137100][ T7289] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  261.439483][ T7289] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  261.744210][ T7293] loop1: detected capacity change from 0 to 32768
[  261.759167][ T7293] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  261.766654][ T7293] CPU: 0 UID: 0 PID: 7293 Comm: syz.1.204 Not tainted syzkaller #0 PREEMPT(full) 
[  261.766670][ T7293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  261.766678][ T7293] Call Trace:
[  261.766683][ T7293]  <TASK>
[  261.766713][ T7293]  dump_stack_lvl+0xe8/0x150
[  261.766734][ T7293]  sysfs_create_dir_ns+0x271/0x2a0
[  261.766751][ T7293]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  261.766767][ T7293]  ? do_raw_spin_unlock+0xf5/0x210
[  261.766782][ T7293]  kobject_add_internal+0x62b/0xd00
[  261.766802][ T7293]  kobject_init_and_add+0x12b/0x1a0
[  261.766821][ T7293]  ? __pfx_kobject_init_and_add+0x10/0x10
[  261.766837][ T7293]  ? __raw_spin_lock_init+0x45/0x100
[  261.766849][ T7293]  ? __init_swait_queue_head+0xa9/0x150
[  261.766863][ T7293]  gfs2_sys_fs_add+0x257/0x480
[  261.766879][ T7293]  ? is_dynamic_key+0x1ac/0x1c0
[  261.766893][ T7293]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  261.766913][ T7293]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  261.766931][ T7293]  gfs2_fill_super+0x13a7/0x21d0
[  261.766952][ T7293]  ? __pfx_gfs2_fill_super+0x10/0x10
[  261.766967][ T7293]  ? sb_set_blocksize+0x155/0x240
[  261.766981][ T7293]  ? setup_bdev_super+0x4c1/0x5b0
[  261.766995][ T7293]  get_tree_bdev_flags+0x431/0x4f0
[  261.767007][ T7293]  ? __pfx_gfs2_fill_super+0x10/0x10
[  261.767019][ T7293]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  261.767030][ T7293]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  261.767046][ T7293]  gfs2_get_tree+0x51/0x1e0
[  261.767060][ T7293]  vfs_get_tree+0x92/0x2a0
[  261.767073][ T7293]  do_new_mount+0x341/0xd30
[  261.767088][ T7293]  ? apparmor_capable+0x126/0x170
[  261.767103][ T7293]  ? __pfx_do_new_mount+0x10/0x10
[  261.767118][ T7293]  ? ns_capable+0x89/0xe0
[  261.767138][ T7293]  ? user_path_at+0xd4/0x160
[  261.767150][ T7293]  __se_sys_mount+0x31d/0x420
[  261.767168][ T7293]  ? __pfx___se_sys_mount+0x10/0x10
[  261.767186][ T7293]  ? __x64_sys_mount+0x20/0xc0
[  261.767201][ T7293]  do_syscall_64+0x14d/0xf80
[  261.767215][ T7293]  ? trace_irq_disable+0x3b/0x150
[  261.767225][ T7293]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  261.767236][ T7293]  ? clear_bhb_loop+0x40/0x90
[  261.767249][ T7293]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  261.767261][ T7293] RIP: 0033:0x7f4e25f9b60a
[  261.767273][ T7293] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  261.767282][ T7293] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  261.767294][ T7293] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  261.767302][ T7293] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  261.767309][ T7293] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  261.767316][ T7293] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  261.767322][ T7293] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  261.767338][ T7293]  </TASK>
[  261.767355][ T7293] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  262.071018][ T7293] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  262.383674][ T7297] loop1: detected capacity change from 0 to 32768
[  262.410601][ T7297] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  262.418364][ T7297] CPU: 0 UID: 0 PID: 7297 Comm: syz.1.205 Not tainted syzkaller #0 PREEMPT(full) 
[  262.418390][ T7297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  262.418401][ T7297] Call Trace:
[  262.418409][ T7297]  <TASK>
[  262.418417][ T7297]  dump_stack_lvl+0xe8/0x150
[  262.418449][ T7297]  sysfs_create_dir_ns+0x271/0x2a0
[  262.418477][ T7297]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  262.418503][ T7297]  ? do_raw_spin_unlock+0xf5/0x210
[  262.418528][ T7297]  kobject_add_internal+0x62b/0xd00
[  262.418562][ T7297]  kobject_init_and_add+0x12b/0x1a0
[  262.418594][ T7297]  ? __pfx_kobject_init_and_add+0x10/0x10
[  262.418621][ T7297]  ? __raw_spin_lock_init+0x45/0x100
[  262.418642][ T7297]  ? __init_swait_queue_head+0xa9/0x150
[  262.418666][ T7297]  gfs2_sys_fs_add+0x257/0x480
[  262.418691][ T7297]  ? is_dynamic_key+0x1ac/0x1c0
[  262.418714][ T7297]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  262.418748][ T7297]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  262.418781][ T7297]  gfs2_fill_super+0x13a7/0x21d0
[  262.418834][ T7297]  ? __pfx_gfs2_fill_super+0x10/0x10
[  262.418859][ T7297]  ? sb_set_blocksize+0x155/0x240
[  262.418884][ T7297]  ? setup_bdev_super+0x4c1/0x5b0
[  262.418907][ T7297]  get_tree_bdev_flags+0x431/0x4f0
[  262.418927][ T7297]  ? __pfx_gfs2_fill_super+0x10/0x10
[  262.418956][ T7297]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  262.418975][ T7297]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  262.419003][ T7297]  gfs2_get_tree+0x51/0x1e0
[  262.419027][ T7297]  vfs_get_tree+0x92/0x2a0
[  262.419049][ T7297]  do_new_mount+0x341/0xd30
[  262.419073][ T7297]  ? apparmor_capable+0x126/0x170
[  262.419100][ T7297]  ? __pfx_do_new_mount+0x10/0x10
[  262.419124][ T7297]  ? ns_capable+0x89/0xe0
[  262.419157][ T7297]  ? user_path_at+0xd4/0x160
[  262.419178][ T7297]  __se_sys_mount+0x31d/0x420
[  262.419208][ T7297]  ? __pfx___se_sys_mount+0x10/0x10
[  262.419238][ T7297]  ? __x64_sys_mount+0x20/0xc0
[  262.419264][ T7297]  do_syscall_64+0x14d/0xf80
[  262.419287][ T7297]  ? trace_irq_disable+0x3b/0x150
[  262.419303][ T7297]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  262.419322][ T7297]  ? clear_bhb_loop+0x40/0x90
[  262.419344][ T7297]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  262.419363][ T7297] RIP: 0033:0x7f4e25f9b60a
[  262.419381][ T7297] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  262.419396][ T7297] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  262.419416][ T7297] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  262.419429][ T7297] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  262.419442][ T7297] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  262.419454][ T7297] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  262.419466][ T7297] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  262.419495][ T7297]  </TASK>
[  262.419520][ T7297] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  262.722131][ T7297] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  262.899383][ T5149] Bluetooth: hci1: command 0x0406 tx timeout
[  263.032874][ T7301] loop1: detected capacity change from 0 to 32768
[  263.050819][ T7301] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  263.058727][ T7301] CPU: 1 UID: 0 PID: 7301 Comm: syz.1.206 Not tainted syzkaller #0 PREEMPT(full) 
[  263.058752][ T7301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  263.058763][ T7301] Call Trace:
[  263.058772][ T7301]  <TASK>
[  263.058780][ T7301]  dump_stack_lvl+0xe8/0x150
[  263.058812][ T7301]  sysfs_create_dir_ns+0x271/0x2a0
[  263.058840][ T7301]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  263.058877][ T7301]  ? do_raw_spin_unlock+0xf5/0x210
[  263.058900][ T7301]  kobject_add_internal+0x62b/0xd00
[  263.058933][ T7301]  kobject_init_and_add+0x12b/0x1a0
[  263.058962][ T7301]  ? __pfx_kobject_init_and_add+0x10/0x10
[  263.058988][ T7301]  ? __raw_spin_lock_init+0x45/0x100
[  263.059008][ T7301]  ? __init_swait_queue_head+0xa9/0x150
[  263.059029][ T7301]  gfs2_sys_fs_add+0x257/0x480
[  263.059052][ T7301]  ? is_dynamic_key+0x1ac/0x1c0
[  263.059072][ T7301]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  263.059093][ T7301]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  263.059111][ T7301]  gfs2_fill_super+0x13a7/0x21d0
[  263.059132][ T7301]  ? __pfx_gfs2_fill_super+0x10/0x10
[  263.059146][ T7301]  ? sb_set_blocksize+0x155/0x240
[  263.059161][ T7301]  ? setup_bdev_super+0x4c1/0x5b0
[  263.059175][ T7301]  get_tree_bdev_flags+0x431/0x4f0
[  263.059187][ T7301]  ? __pfx_gfs2_fill_super+0x10/0x10
[  263.059199][ T7301]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  263.059210][ T7301]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  263.059226][ T7301]  gfs2_get_tree+0x51/0x1e0
[  263.059240][ T7301]  vfs_get_tree+0x92/0x2a0
[  263.059253][ T7301]  do_new_mount+0x341/0xd30
[  263.059267][ T7301]  ? apparmor_capable+0x126/0x170
[  263.059283][ T7301]  ? __pfx_do_new_mount+0x10/0x10
[  263.059297][ T7301]  ? ns_capable+0x89/0xe0
[  263.059318][ T7301]  ? user_path_at+0xd4/0x160
[  263.059329][ T7301]  __se_sys_mount+0x31d/0x420
[  263.059346][ T7301]  ? __pfx___se_sys_mount+0x10/0x10
[  263.059364][ T7301]  ? __x64_sys_mount+0x20/0xc0
[  263.059380][ T7301]  do_syscall_64+0x14d/0xf80
[  263.059394][ T7301]  ? trace_irq_disable+0x3b/0x150
[  263.059403][ T7301]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  263.059414][ T7301]  ? clear_bhb_loop+0x40/0x90
[  263.059427][ T7301]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  263.059438][ T7301] RIP: 0033:0x7f4e25f9b60a
[  263.059450][ T7301] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  263.059459][ T7301] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  263.059470][ T7301] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  263.059478][ T7301] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  263.059485][ T7301] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  263.059492][ T7301] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  263.059499][ T7301] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  263.059514][ T7301]  </TASK>
[  263.059634][ T7301] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  263.361330][ T7301] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  263.651747][ T7305] loop1: detected capacity change from 0 to 32768
[  263.678842][ T7305] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  263.687085][ T7305] CPU: 0 UID: 0 PID: 7305 Comm: syz.1.207 Not tainted syzkaller #0 PREEMPT(full) 
[  263.687111][ T7305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  263.687121][ T7305] Call Trace:
[  263.687129][ T7305]  <TASK>
[  263.687136][ T7305]  dump_stack_lvl+0xe8/0x150
[  263.687165][ T7305]  sysfs_create_dir_ns+0x271/0x2a0
[  263.687191][ T7305]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  263.687216][ T7305]  ? do_raw_spin_unlock+0xf5/0x210
[  263.687238][ T7305]  kobject_add_internal+0x62b/0xd00
[  263.687269][ T7305]  kobject_init_and_add+0x12b/0x1a0
[  263.687300][ T7305]  ? __pfx_kobject_init_and_add+0x10/0x10
[  263.687325][ T7305]  ? __raw_spin_lock_init+0x45/0x100
[  263.687346][ T7305]  ? __init_swait_queue_head+0xa9/0x150
[  263.687367][ T7305]  gfs2_sys_fs_add+0x257/0x480
[  263.687392][ T7305]  ? is_dynamic_key+0x1ac/0x1c0
[  263.687414][ T7305]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  263.687445][ T7305]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  263.687477][ T7305]  gfs2_fill_super+0x13a7/0x21d0
[  263.687510][ T7305]  ? __pfx_gfs2_fill_super+0x10/0x10
[  263.687533][ T7305]  ? sb_set_blocksize+0x155/0x240
[  263.687557][ T7305]  ? setup_bdev_super+0x4c1/0x5b0
[  263.687594][ T7305]  get_tree_bdev_flags+0x431/0x4f0
[  263.687611][ T7305]  ? __pfx_gfs2_fill_super+0x10/0x10
[  263.687630][ T7305]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  263.687646][ T7305]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  263.687673][ T7305]  gfs2_get_tree+0x51/0x1e0
[  263.687694][ T7305]  vfs_get_tree+0x92/0x2a0
[  263.687714][ T7305]  do_new_mount+0x341/0xd30
[  263.687735][ T7305]  ? apparmor_capable+0x126/0x170
[  263.687761][ T7305]  ? __pfx_do_new_mount+0x10/0x10
[  263.687783][ T7305]  ? ns_capable+0x89/0xe0
[  263.687815][ T7305]  ? user_path_at+0xd4/0x160
[  263.687833][ T7305]  __se_sys_mount+0x31d/0x420
[  263.687860][ T7305]  ? __pfx___se_sys_mount+0x10/0x10
[  263.687888][ T7305]  ? __x64_sys_mount+0x20/0xc0
[  263.687912][ T7305]  do_syscall_64+0x14d/0xf80
[  263.687933][ T7305]  ? trace_irq_disable+0x3b/0x150
[  263.687948][ T7305]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  263.687966][ T7305]  ? clear_bhb_loop+0x40/0x90
[  263.687986][ T7305]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  263.688003][ T7305] RIP: 0033:0x7f4e25f9b60a
[  263.688022][ T7305] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  263.688036][ T7305] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  263.688055][ T7305] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  263.688069][ T7305] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  263.688080][ T7305] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  263.688092][ T7305] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  263.688104][ T7305] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  263.688132][ T7305]  </TASK>
[  263.974096][ T7305] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  263.988217][ T7305] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  264.290167][ T7309] loop1: detected capacity change from 0 to 32768
[  264.303802][ T7309] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  264.311603][ T7309] CPU: 1 UID: 0 PID: 7309 Comm: syz.1.208 Not tainted syzkaller #0 PREEMPT(full) 
[  264.311625][ T7309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  264.311636][ T7309] Call Trace:
[  264.311644][ T7309]  <TASK>
[  264.311651][ T7309]  dump_stack_lvl+0xe8/0x150
[  264.311680][ T7309]  sysfs_create_dir_ns+0x271/0x2a0
[  264.311714][ T7309]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  264.311740][ T7309]  ? do_raw_spin_unlock+0xf5/0x210
[  264.311764][ T7309]  kobject_add_internal+0x62b/0xd00
[  264.311795][ T7309]  kobject_init_and_add+0x12b/0x1a0
[  264.311825][ T7309]  ? __pfx_kobject_init_and_add+0x10/0x10
[  264.311850][ T7309]  ? __raw_spin_lock_init+0x45/0x100
[  264.311871][ T7309]  ? __init_swait_queue_head+0xa9/0x150
[  264.311895][ T7309]  gfs2_sys_fs_add+0x257/0x480
[  264.311919][ T7309]  ? is_dynamic_key+0x1ac/0x1c0
[  264.311943][ T7309]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  264.311977][ T7309]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  264.312009][ T7309]  gfs2_fill_super+0x13a7/0x21d0
[  264.312045][ T7309]  ? __pfx_gfs2_fill_super+0x10/0x10
[  264.312071][ T7309]  ? sb_set_blocksize+0x155/0x240
[  264.312096][ T7309]  ? setup_bdev_super+0x4c1/0x5b0
[  264.312119][ T7309]  get_tree_bdev_flags+0x431/0x4f0
[  264.312139][ T7309]  ? __pfx_gfs2_fill_super+0x10/0x10
[  264.312160][ T7309]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  264.312177][ T7309]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  264.312203][ T7309]  gfs2_get_tree+0x51/0x1e0
[  264.312227][ T7309]  vfs_get_tree+0x92/0x2a0
[  264.312249][ T7309]  do_new_mount+0x341/0xd30
[  264.312271][ T7309]  ? apparmor_capable+0x126/0x170
[  264.312297][ T7309]  ? __pfx_do_new_mount+0x10/0x10
[  264.312320][ T7309]  ? ns_capable+0x89/0xe0
[  264.312353][ T7309]  ? user_path_at+0xd4/0x160
[  264.312372][ T7309]  __se_sys_mount+0x31d/0x420
[  264.312401][ T7309]  ? __pfx___se_sys_mount+0x10/0x10
[  264.312431][ T7309]  ? __x64_sys_mount+0x20/0xc0
[  264.312457][ T7309]  do_syscall_64+0x14d/0xf80
[  264.312478][ T7309]  ? trace_irq_disable+0x3b/0x150
[  264.312494][ T7309]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  264.312514][ T7309]  ? clear_bhb_loop+0x40/0x90
[  264.312536][ T7309]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  264.312554][ T7309] RIP: 0033:0x7f4e25f9b60a
[  264.312572][ T7309] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  264.312588][ T7309] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  264.312608][ T7309] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  264.312622][ T7309] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  264.312634][ T7309] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  264.312647][ T7309] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  264.312659][ T7309] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  264.312688][ T7309]  </TASK>
[  264.312719][ T7309] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  264.615244][ T7309] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  264.921750][ T7313] loop1: detected capacity change from 0 to 32768
[  264.937427][ T7313] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  264.945785][ T7313] CPU: 1 UID: 0 PID: 7313 Comm: syz.1.209 Not tainted syzkaller #0 PREEMPT(full) 
[  264.945809][ T7313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  264.945819][ T7313] Call Trace:
[  264.945827][ T7313]  <TASK>
[  264.945835][ T7313]  dump_stack_lvl+0xe8/0x150
[  264.945865][ T7313]  sysfs_create_dir_ns+0x271/0x2a0
[  264.945893][ T7313]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  264.945933][ T7313]  ? do_raw_spin_unlock+0xf5/0x210
[  264.945956][ T7313]  kobject_add_internal+0x62b/0xd00
[  264.945979][ T7313]  kobject_init_and_add+0x12b/0x1a0
[  264.945997][ T7313]  ? __pfx_kobject_init_and_add+0x10/0x10
[  264.946014][ T7313]  ? __raw_spin_lock_init+0x45/0x100
[  264.946026][ T7313]  ? __init_swait_queue_head+0xa9/0x150
[  264.946039][ T7313]  gfs2_sys_fs_add+0x257/0x480
[  264.946056][ T7313]  ? is_dynamic_key+0x1ac/0x1c0
[  264.946071][ T7313]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  264.946090][ T7313]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  264.946117][ T7313]  gfs2_fill_super+0x13a7/0x21d0
[  264.946138][ T7313]  ? __pfx_gfs2_fill_super+0x10/0x10
[  264.946153][ T7313]  ? sb_set_blocksize+0x155/0x240
[  264.946168][ T7313]  ? setup_bdev_super+0x4c1/0x5b0
[  264.946181][ T7313]  get_tree_bdev_flags+0x431/0x4f0
[  264.946193][ T7313]  ? __pfx_gfs2_fill_super+0x10/0x10
[  264.946206][ T7313]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  264.946216][ T7313]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  264.946232][ T7313]  gfs2_get_tree+0x51/0x1e0
[  264.946247][ T7313]  vfs_get_tree+0x92/0x2a0
[  264.946260][ T7313]  do_new_mount+0x341/0xd30
[  264.946274][ T7313]  ? apparmor_capable+0x126/0x170
[  264.946290][ T7313]  ? __pfx_do_new_mount+0x10/0x10
[  264.946304][ T7313]  ? ns_capable+0x89/0xe0
[  264.946324][ T7313]  ? user_path_at+0xd4/0x160
[  264.946336][ T7313]  __se_sys_mount+0x31d/0x420
[  264.946354][ T7313]  ? __pfx___se_sys_mount+0x10/0x10
[  264.946371][ T7313]  ? __x64_sys_mount+0x20/0xc0
[  264.946387][ T7313]  do_syscall_64+0x14d/0xf80
[  264.946401][ T7313]  ? trace_irq_disable+0x3b/0x150
[  264.946410][ T7313]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  264.946421][ T7313]  ? clear_bhb_loop+0x40/0x90
[  264.946436][ T7313]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  264.946447][ T7313] RIP: 0033:0x7f4e25f9b60a
[  264.946459][ T7313] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  264.946468][ T7313] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  264.946480][ T7313] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  264.946488][ T7313] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  264.946495][ T7313] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  264.946502][ T7313] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  264.946508][ T7313] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  264.946524][ T7313]  </TASK>
[  264.946897][ T7313] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  265.248898][ T7313] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/20 09:18:08 executed programs: 195
[  265.561067][ T7317] loop1: detected capacity change from 0 to 32768
[  265.579465][ T7317] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  265.586860][ T7317] CPU: 1 UID: 0 PID: 7317 Comm: syz.1.210 Not tainted syzkaller #0 PREEMPT(full) 
[  265.586875][ T7317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  265.586882][ T7317] Call Trace:
[  265.586890][ T7317]  <TASK>
[  265.586897][ T7317]  dump_stack_lvl+0xe8/0x150
[  265.586925][ T7317]  sysfs_create_dir_ns+0x271/0x2a0
[  265.586950][ T7317]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  265.586970][ T7317]  ? do_raw_spin_unlock+0xf5/0x210
[  265.586992][ T7317]  kobject_add_internal+0x62b/0xd00
[  265.587023][ T7317]  kobject_init_and_add+0x12b/0x1a0
[  265.587050][ T7317]  ? __pfx_kobject_init_and_add+0x10/0x10
[  265.587073][ T7317]  ? __raw_spin_lock_init+0x45/0x100
[  265.587090][ T7317]  ? __init_swait_queue_head+0xa9/0x150
[  265.587111][ T7317]  gfs2_sys_fs_add+0x257/0x480
[  265.587134][ T7317]  ? is_dynamic_key+0x1ac/0x1c0
[  265.587156][ T7317]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  265.587188][ T7317]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  265.587215][ T7317]  gfs2_fill_super+0x13a7/0x21d0
[  265.587247][ T7317]  ? __pfx_gfs2_fill_super+0x10/0x10
[  265.587272][ T7317]  ? sb_set_blocksize+0x155/0x240
[  265.587297][ T7317]  ? setup_bdev_super+0x4c1/0x5b0
[  265.587320][ T7317]  get_tree_bdev_flags+0x431/0x4f0
[  265.587340][ T7317]  ? __pfx_gfs2_fill_super+0x10/0x10
[  265.587359][ T7317]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  265.587375][ T7317]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  265.587400][ T7317]  gfs2_get_tree+0x51/0x1e0
[  265.587422][ T7317]  vfs_get_tree+0x92/0x2a0
[  265.587442][ T7317]  do_new_mount+0x341/0xd30
[  265.587463][ T7317]  ? apparmor_capable+0x126/0x170
[  265.587485][ T7317]  ? __pfx_do_new_mount+0x10/0x10
[  265.587506][ T7317]  ? ns_capable+0x89/0xe0
[  265.587538][ T7317]  ? user_path_at+0xd4/0x160
[  265.587556][ T7317]  __se_sys_mount+0x31d/0x420
[  265.587587][ T7317]  ? __pfx___se_sys_mount+0x10/0x10
[  265.587613][ T7317]  ? __x64_sys_mount+0x20/0xc0
[  265.587636][ T7317]  do_syscall_64+0x14d/0xf80
[  265.587667][ T7317]  ? trace_irq_disable+0x3b/0x150
[  265.587682][ T7317]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  265.587700][ T7317]  ? clear_bhb_loop+0x40/0x90
[  265.587721][ T7317]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  265.587738][ T7317] RIP: 0033:0x7f4e25f9b60a
[  265.587756][ T7317] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  265.587770][ T7317] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  265.587790][ T7317] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  265.587803][ T7317] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  265.587814][ T7317] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  265.587825][ T7317] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  265.587836][ T7317] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  265.587864][ T7317]  </TASK>
[  265.874776][ T7317] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  265.888825][ T7317] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  266.309551][ T7321] loop1: detected capacity change from 0 to 32768
[  266.323594][ T7321] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  266.331708][ T7321] CPU: 0 UID: 0 PID: 7321 Comm: syz.1.211 Not tainted syzkaller #0 PREEMPT(full) 
[  266.331733][ T7321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  266.331744][ T7321] Call Trace:
[  266.331752][ T7321]  <TASK>
[  266.331759][ T7321]  dump_stack_lvl+0xe8/0x150
[  266.331791][ T7321]  sysfs_create_dir_ns+0x271/0x2a0
[  266.331817][ T7321]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  266.331841][ T7321]  ? do_raw_spin_unlock+0xf5/0x210
[  266.331865][ T7321]  kobject_add_internal+0x62b/0xd00
[  266.331899][ T7321]  kobject_init_and_add+0x12b/0x1a0
[  266.331930][ T7321]  ? __pfx_kobject_init_and_add+0x10/0x10
[  266.331957][ T7321]  ? __raw_spin_lock_init+0x45/0x100
[  266.331977][ T7321]  ? __init_swait_queue_head+0xa9/0x150
[  266.332000][ T7321]  gfs2_sys_fs_add+0x257/0x480
[  266.332024][ T7321]  ? is_dynamic_key+0x1ac/0x1c0
[  266.332046][ T7321]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  266.332078][ T7321]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  266.332108][ T7321]  gfs2_fill_super+0x13a7/0x21d0
[  266.332144][ T7321]  ? __pfx_gfs2_fill_super+0x10/0x10
[  266.332169][ T7321]  ? sb_set_blocksize+0x155/0x240
[  266.332193][ T7321]  ? setup_bdev_super+0x4c1/0x5b0
[  266.332227][ T7321]  get_tree_bdev_flags+0x431/0x4f0
[  266.332248][ T7321]  ? __pfx_gfs2_fill_super+0x10/0x10
[  266.332269][ T7321]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  266.332286][ T7321]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  266.332315][ T7321]  gfs2_get_tree+0x51/0x1e0
[  266.332337][ T7321]  vfs_get_tree+0x92/0x2a0
[  266.332359][ T7321]  do_new_mount+0x341/0xd30
[  266.332381][ T7321]  ? apparmor_capable+0x126/0x170
[  266.332408][ T7321]  ? __pfx_do_new_mount+0x10/0x10
[  266.332432][ T7321]  ? ns_capable+0x89/0xe0
[  266.332466][ T7321]  ? user_path_at+0xd4/0x160
[  266.332485][ T7321]  __se_sys_mount+0x31d/0x420
[  266.332513][ T7321]  ? __pfx___se_sys_mount+0x10/0x10
[  266.332542][ T7321]  ? __x64_sys_mount+0x20/0xc0
[  266.332567][ T7321]  do_syscall_64+0x14d/0xf80
[  266.332589][ T7321]  ? trace_irq_disable+0x3b/0x150
[  266.332604][ T7321]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  266.332622][ T7321]  ? clear_bhb_loop+0x40/0x90
[  266.332644][ T7321]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  266.332662][ T7321] RIP: 0033:0x7f4e25f9b60a
[  266.332680][ T7321] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  266.332695][ T7321] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  266.332715][ T7321] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  266.332729][ T7321] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  266.332741][ T7321] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  266.332753][ T7321] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  266.332765][ T7321] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  266.332794][ T7321]  </TASK>
[  266.332818][ T7321] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  266.635337][ T7321] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  266.941750][ T7325] loop1: detected capacity change from 0 to 32768
[  266.978003][ T7325] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  266.985582][ T7325] CPU: 0 UID: 0 PID: 7325 Comm: syz.1.212 Not tainted syzkaller #0 PREEMPT(full) 
[  266.985609][ T7325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  266.985621][ T7325] Call Trace:
[  266.985630][ T7325]  <TASK>
[  266.985638][ T7325]  dump_stack_lvl+0xe8/0x150
[  266.985670][ T7325]  sysfs_create_dir_ns+0x271/0x2a0
[  266.985696][ T7325]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  266.985721][ T7325]  ? do_raw_spin_unlock+0xf5/0x210
[  266.985744][ T7325]  kobject_add_internal+0x62b/0xd00
[  266.985776][ T7325]  kobject_init_and_add+0x12b/0x1a0
[  266.985806][ T7325]  ? __pfx_kobject_init_and_add+0x10/0x10
[  266.985834][ T7325]  ? __raw_spin_lock_init+0x45/0x100
[  266.985855][ T7325]  ? __init_swait_queue_head+0xa9/0x150
[  266.985879][ T7325]  gfs2_sys_fs_add+0x257/0x480
[  266.985904][ T7325]  ? is_dynamic_key+0x1ac/0x1c0
[  266.985927][ T7325]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  266.985960][ T7325]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  266.985993][ T7325]  gfs2_fill_super+0x13a7/0x21d0
[  266.986030][ T7325]  ? __pfx_gfs2_fill_super+0x10/0x10
[  266.986055][ T7325]  ? sb_set_blocksize+0x155/0x240
[  266.986080][ T7325]  ? setup_bdev_super+0x4c1/0x5b0
[  266.986102][ T7325]  get_tree_bdev_flags+0x431/0x4f0
[  266.986122][ T7325]  ? __pfx_gfs2_fill_super+0x10/0x10
[  266.986141][ T7325]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  266.986157][ T7325]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  266.986186][ T7325]  gfs2_get_tree+0x51/0x1e0
[  266.986211][ T7325]  vfs_get_tree+0x92/0x2a0
[  266.986234][ T7325]  do_new_mount+0x341/0xd30
[  266.986256][ T7325]  ? apparmor_capable+0x126/0x170
[  266.986283][ T7325]  ? __pfx_do_new_mount+0x10/0x10
[  266.986304][ T7325]  ? ns_capable+0x89/0xe0
[  266.986337][ T7325]  ? user_path_at+0xd4/0x160
[  266.986357][ T7325]  __se_sys_mount+0x31d/0x420
[  266.986387][ T7325]  ? __pfx___se_sys_mount+0x10/0x10
[  266.986426][ T7325]  ? __x64_sys_mount+0x20/0xc0
[  266.986453][ T7325]  do_syscall_64+0x14d/0xf80
[  266.986475][ T7325]  ? trace_irq_disable+0x3b/0x150
[  266.986490][ T7325]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  266.986509][ T7325]  ? clear_bhb_loop+0x40/0x90
[  266.986531][ T7325]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  266.986550][ T7325] RIP: 0033:0x7f4e25f9b60a
[  266.986568][ T7325] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  266.986584][ T7325] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  266.986604][ T7325] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  266.986618][ T7325] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  266.986630][ T7325] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  266.986642][ T7325] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  266.986653][ T7325] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  266.986682][ T7325]  </TASK>
[  266.986707][ T7325] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  267.291734][ T7325] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  267.602105][ T7329] loop1: detected capacity change from 0 to 32768
[  267.619205][ T7329] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  267.626732][ T7329] CPU: 0 UID: 0 PID: 7329 Comm: syz.1.213 Not tainted syzkaller #0 PREEMPT(full) 
[  267.626756][ T7329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  267.626767][ T7329] Call Trace:
[  267.626775][ T7329]  <TASK>
[  267.626783][ T7329]  dump_stack_lvl+0xe8/0x150
[  267.626815][ T7329]  sysfs_create_dir_ns+0x271/0x2a0
[  267.626843][ T7329]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  267.626870][ T7329]  ? do_raw_spin_unlock+0xf5/0x210
[  267.626894][ T7329]  kobject_add_internal+0x62b/0xd00
[  267.626927][ T7329]  kobject_init_and_add+0x12b/0x1a0
[  267.626956][ T7329]  ? __pfx_kobject_init_and_add+0x10/0x10
[  267.626983][ T7329]  ? __raw_spin_lock_init+0x45/0x100
[  267.627004][ T7329]  ? __init_swait_queue_head+0xa9/0x150
[  267.627027][ T7329]  gfs2_sys_fs_add+0x257/0x480
[  267.627052][ T7329]  ? is_dynamic_key+0x1ac/0x1c0
[  267.627075][ T7329]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  267.627108][ T7329]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  267.627141][ T7329]  gfs2_fill_super+0x13a7/0x21d0
[  267.627177][ T7329]  ? __pfx_gfs2_fill_super+0x10/0x10
[  267.627203][ T7329]  ? sb_set_blocksize+0x155/0x240
[  267.627227][ T7329]  ? setup_bdev_super+0x4c1/0x5b0
[  267.627249][ T7329]  get_tree_bdev_flags+0x431/0x4f0
[  267.627270][ T7329]  ? __pfx_gfs2_fill_super+0x10/0x10
[  267.627291][ T7329]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  267.627309][ T7329]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  267.627337][ T7329]  gfs2_get_tree+0x51/0x1e0
[  267.627362][ T7329]  vfs_get_tree+0x92/0x2a0
[  267.627383][ T7329]  do_new_mount+0x341/0xd30
[  267.627405][ T7329]  ? apparmor_capable+0x126/0x170
[  267.627432][ T7329]  ? __pfx_do_new_mount+0x10/0x10
[  267.627464][ T7329]  ? ns_capable+0x89/0xe0
[  267.627498][ T7329]  ? user_path_at+0xd4/0x160
[  267.627518][ T7329]  __se_sys_mount+0x31d/0x420
[  267.627547][ T7329]  ? __pfx___se_sys_mount+0x10/0x10
[  267.627576][ T7329]  ? __x64_sys_mount+0x20/0xc0
[  267.627603][ T7329]  do_syscall_64+0x14d/0xf80
[  267.627623][ T7329]  ? trace_irq_disable+0x3b/0x150
[  267.627638][ T7329]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  267.627657][ T7329]  ? clear_bhb_loop+0x40/0x90
[  267.627678][ T7329]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  267.627695][ T7329] RIP: 0033:0x7f4e25f9b60a
[  267.627713][ T7329] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  267.627727][ T7329] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  267.627746][ T7329] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  267.627759][ T7329] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  267.627771][ T7329] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  267.627783][ T7329] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  267.627795][ T7329] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  267.627823][ T7329]  </TASK>
[  267.913440][ T7329] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  267.927401][ T7329] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  268.235897][ T7333] loop1: detected capacity change from 0 to 32768
[  268.250820][ T7333] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  268.261106][ T7333] CPU: 0 UID: 0 PID: 7333 Comm: syz.1.214 Not tainted syzkaller #0 PREEMPT(full) 
[  268.261132][ T7333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  268.261144][ T7333] Call Trace:
[  268.261152][ T7333]  <TASK>
[  268.261160][ T7333]  dump_stack_lvl+0xe8/0x150
[  268.261192][ T7333]  sysfs_create_dir_ns+0x271/0x2a0
[  268.261219][ T7333]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  268.261244][ T7333]  ? do_raw_spin_unlock+0xf5/0x210
[  268.261268][ T7333]  kobject_add_internal+0x62b/0xd00
[  268.261300][ T7333]  kobject_init_and_add+0x12b/0x1a0
[  268.261328][ T7333]  ? __pfx_kobject_init_and_add+0x10/0x10
[  268.261352][ T7333]  ? __raw_spin_lock_init+0x45/0x100
[  268.261373][ T7333]  ? __init_swait_queue_head+0xa9/0x150
[  268.261396][ T7333]  gfs2_sys_fs_add+0x257/0x480
[  268.261420][ T7333]  ? is_dynamic_key+0x1ac/0x1c0
[  268.261443][ T7333]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  268.261475][ T7333]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  268.261506][ T7333]  gfs2_fill_super+0x13a7/0x21d0
[  268.261541][ T7333]  ? __pfx_gfs2_fill_super+0x10/0x10
[  268.261567][ T7333]  ? sb_set_blocksize+0x155/0x240
[  268.261590][ T7333]  ? setup_bdev_super+0x4c1/0x5b0
[  268.261611][ T7333]  get_tree_bdev_flags+0x431/0x4f0
[  268.261632][ T7333]  ? __pfx_gfs2_fill_super+0x10/0x10
[  268.261653][ T7333]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  268.261670][ T7333]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  268.261700][ T7333]  gfs2_get_tree+0x51/0x1e0
[  268.261724][ T7333]  vfs_get_tree+0x92/0x2a0
[  268.261746][ T7333]  do_new_mount+0x341/0xd30
[  268.261768][ T7333]  ? apparmor_capable+0x126/0x170
[  268.261794][ T7333]  ? __pfx_do_new_mount+0x10/0x10
[  268.261817][ T7333]  ? ns_capable+0x89/0xe0
[  268.261849][ T7333]  ? user_path_at+0xd4/0x160
[  268.261868][ T7333]  __se_sys_mount+0x31d/0x420
[  268.261897][ T7333]  ? __pfx___se_sys_mount+0x10/0x10
[  268.261926][ T7333]  ? __x64_sys_mount+0x20/0xc0
[  268.261951][ T7333]  do_syscall_64+0x14d/0xf80
[  268.261973][ T7333]  ? trace_irq_disable+0x3b/0x150
[  268.261989][ T7333]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  268.262008][ T7333]  ? clear_bhb_loop+0x40/0x90
[  268.262030][ T7333]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  268.262048][ T7333] RIP: 0033:0x7f4e25f9b60a
[  268.262077][ T7333] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  268.262090][ T7333] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  268.262109][ T7333] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  268.262123][ T7333] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  268.262135][ T7333] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  268.262147][ T7333] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  268.262160][ T7333] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  268.262190][ T7333]  </TASK>
[  268.262215][ T7333] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  268.564354][ T7333] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  268.868444][ T7337] loop1: detected capacity change from 0 to 32768
[  268.896164][ T7337] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  268.903727][ T7337] CPU: 0 UID: 0 PID: 7337 Comm: syz.1.215 Not tainted syzkaller #0 PREEMPT(full) 
[  268.903751][ T7337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  268.903762][ T7337] Call Trace:
[  268.903770][ T7337]  <TASK>
[  268.903778][ T7337]  dump_stack_lvl+0xe8/0x150
[  268.903807][ T7337]  sysfs_create_dir_ns+0x271/0x2a0
[  268.903833][ T7337]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  268.903861][ T7337]  ? do_raw_spin_unlock+0xf5/0x210
[  268.903876][ T7337]  kobject_add_internal+0x62b/0xd00
[  268.903897][ T7337]  kobject_init_and_add+0x12b/0x1a0
[  268.903916][ T7337]  ? __pfx_kobject_init_and_add+0x10/0x10
[  268.903932][ T7337]  ? __raw_spin_lock_init+0x45/0x100
[  268.903944][ T7337]  ? __init_swait_queue_head+0xa9/0x150
[  268.903958][ T7337]  gfs2_sys_fs_add+0x257/0x480
[  268.903974][ T7337]  ? is_dynamic_key+0x1ac/0x1c0
[  268.903988][ T7337]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  268.904012][ T7337]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  268.904032][ T7337]  gfs2_fill_super+0x13a7/0x21d0
[  268.904053][ T7337]  ? __pfx_gfs2_fill_super+0x10/0x10
[  268.904068][ T7337]  ? sb_set_blocksize+0x155/0x240
[  268.904083][ T7337]  ? setup_bdev_super+0x4c1/0x5b0
[  268.904096][ T7337]  get_tree_bdev_flags+0x431/0x4f0
[  268.904109][ T7337]  ? __pfx_gfs2_fill_super+0x10/0x10
[  268.904121][ T7337]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  268.904131][ T7337]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  268.904147][ T7337]  gfs2_get_tree+0x51/0x1e0
[  268.904162][ T7337]  vfs_get_tree+0x92/0x2a0
[  268.904175][ T7337]  do_new_mount+0x341/0xd30
[  268.904189][ T7337]  ? apparmor_capable+0x126/0x170
[  268.904204][ T7337]  ? __pfx_do_new_mount+0x10/0x10
[  268.904219][ T7337]  ? ns_capable+0x89/0xe0
[  268.904239][ T7337]  ? user_path_at+0xd4/0x160
[  268.904250][ T7337]  __se_sys_mount+0x31d/0x420
[  268.904268][ T7337]  ? __pfx___se_sys_mount+0x10/0x10
[  268.904308][ T7337]  ? __x64_sys_mount+0x20/0xc0
[  268.904324][ T7337]  do_syscall_64+0x14d/0xf80
[  268.904338][ T7337]  ? trace_irq_disable+0x3b/0x150
[  268.904347][ T7337]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  268.904358][ T7337]  ? clear_bhb_loop+0x40/0x90
[  268.904371][ T7337]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  268.904382][ T7337] RIP: 0033:0x7f4e25f9b60a
[  268.904394][ T7337] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  268.904403][ T7337] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  268.904415][ T7337] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  268.904422][ T7337] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  268.904429][ T7337] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  268.904436][ T7337] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  268.904443][ T7337] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  268.904458][ T7337]  </TASK>
[  268.904474][ T7337] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  269.206685][ T7337] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  269.509181][ T7341] loop1: detected capacity change from 0 to 32768
[  269.527357][ T7341] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  269.535213][ T7341] CPU: 1 UID: 0 PID: 7341 Comm: syz.1.216 Not tainted syzkaller #0 PREEMPT(full) 
[  269.535239][ T7341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  269.535251][ T7341] Call Trace:
[  269.535259][ T7341]  <TASK>
[  269.535267][ T7341]  dump_stack_lvl+0xe8/0x150
[  269.535298][ T7341]  sysfs_create_dir_ns+0x271/0x2a0
[  269.535325][ T7341]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  269.535350][ T7341]  ? do_raw_spin_unlock+0xf5/0x210
[  269.535374][ T7341]  kobject_add_internal+0x62b/0xd00
[  269.535408][ T7341]  kobject_init_and_add+0x12b/0x1a0
[  269.535438][ T7341]  ? __pfx_kobject_init_and_add+0x10/0x10
[  269.535462][ T7341]  ? __raw_spin_lock_init+0x45/0x100
[  269.535482][ T7341]  ? __init_swait_queue_head+0xa9/0x150
[  269.535504][ T7341]  gfs2_sys_fs_add+0x257/0x480
[  269.535530][ T7341]  ? is_dynamic_key+0x1ac/0x1c0
[  269.535554][ T7341]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  269.535588][ T7341]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  269.535618][ T7341]  gfs2_fill_super+0x13a7/0x21d0
[  269.535653][ T7341]  ? __pfx_gfs2_fill_super+0x10/0x10
[  269.535677][ T7341]  ? sb_set_blocksize+0x155/0x240
[  269.535701][ T7341]  ? setup_bdev_super+0x4c1/0x5b0
[  269.535723][ T7341]  get_tree_bdev_flags+0x431/0x4f0
[  269.535743][ T7341]  ? __pfx_gfs2_fill_super+0x10/0x10
[  269.535764][ T7341]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  269.535782][ T7341]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  269.535809][ T7341]  gfs2_get_tree+0x51/0x1e0
[  269.535833][ T7341]  vfs_get_tree+0x92/0x2a0
[  269.535856][ T7341]  do_new_mount+0x341/0xd30
[  269.535877][ T7341]  ? apparmor_capable+0x126/0x170
[  269.535903][ T7341]  ? __pfx_do_new_mount+0x10/0x10
[  269.535927][ T7341]  ? ns_capable+0x89/0xe0
[  269.535958][ T7341]  ? user_path_at+0xd4/0x160
[  269.535978][ T7341]  __se_sys_mount+0x31d/0x420
[  269.536007][ T7341]  ? __pfx___se_sys_mount+0x10/0x10
[  269.536047][ T7341]  ? __x64_sys_mount+0x20/0xc0
[  269.536074][ T7341]  do_syscall_64+0x14d/0xf80
[  269.536096][ T7341]  ? trace_irq_disable+0x3b/0x150
[  269.536112][ T7341]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  269.536131][ T7341]  ? clear_bhb_loop+0x40/0x90
[  269.536153][ T7341]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  269.536169][ T7341] RIP: 0033:0x7f4e25f9b60a
[  269.536188][ T7341] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  269.536203][ T7341] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  269.536222][ T7341] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  269.536236][ T7341] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  269.536248][ T7341] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  269.536260][ T7341] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  269.536271][ T7341] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  269.536298][ T7341]  </TASK>
[  269.536323][ T7341] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  269.838141][ T7341] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  270.141364][ T7345] loop1: detected capacity change from 0 to 32768
[  270.157731][ T7345] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  270.165136][ T7345] CPU: 1 UID: 0 PID: 7345 Comm: syz.1.217 Not tainted syzkaller #0 PREEMPT(full) 
[  270.165160][ T7345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  270.165170][ T7345] Call Trace:
[  270.165178][ T7345]  <TASK>
[  270.165184][ T7345]  dump_stack_lvl+0xe8/0x150
[  270.165210][ T7345]  sysfs_create_dir_ns+0x271/0x2a0
[  270.165231][ T7345]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  270.165251][ T7345]  ? do_raw_spin_unlock+0xf5/0x210
[  270.165270][ T7345]  kobject_add_internal+0x62b/0xd00
[  270.165296][ T7345]  kobject_init_and_add+0x12b/0x1a0
[  270.165319][ T7345]  ? __pfx_kobject_init_and_add+0x10/0x10
[  270.165340][ T7345]  ? __raw_spin_lock_init+0x45/0x100
[  270.165356][ T7345]  ? __init_swait_queue_head+0xa9/0x150
[  270.165373][ T7345]  gfs2_sys_fs_add+0x257/0x480
[  270.165393][ T7345]  ? is_dynamic_key+0x1ac/0x1c0
[  270.165411][ T7345]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  270.165436][ T7345]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  270.165461][ T7345]  gfs2_fill_super+0x13a7/0x21d0
[  270.165489][ T7345]  ? __pfx_gfs2_fill_super+0x10/0x10
[  270.165508][ T7345]  ? sb_set_blocksize+0x155/0x240
[  270.165527][ T7345]  ? setup_bdev_super+0x4c1/0x5b0
[  270.165545][ T7345]  get_tree_bdev_flags+0x431/0x4f0
[  270.165561][ T7345]  ? __pfx_gfs2_fill_super+0x10/0x10
[  270.165577][ T7345]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  270.165591][ T7345]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  270.165612][ T7345]  gfs2_get_tree+0x51/0x1e0
[  270.165631][ T7345]  vfs_get_tree+0x92/0x2a0
[  270.165648][ T7345]  do_new_mount+0x341/0xd30
[  270.165665][ T7345]  ? apparmor_capable+0x126/0x170
[  270.165685][ T7345]  ? __pfx_do_new_mount+0x10/0x10
[  270.165703][ T7345]  ? ns_capable+0x89/0xe0
[  270.165729][ T7345]  ? user_path_at+0xd4/0x160
[  270.165744][ T7345]  __se_sys_mount+0x31d/0x420
[  270.165766][ T7345]  ? __pfx___se_sys_mount+0x10/0x10
[  270.165789][ T7345]  ? __x64_sys_mount+0x20/0xc0
[  270.165809][ T7345]  do_syscall_64+0x14d/0xf80
[  270.165826][ T7345]  ? trace_irq_disable+0x3b/0x150
[  270.165839][ T7345]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  270.165853][ T7345]  ? clear_bhb_loop+0x40/0x90
[  270.165870][ T7345]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  270.165884][ T7345] RIP: 0033:0x7f4e25f9b60a
[  270.165899][ T7345] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  270.165910][ T7345] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  270.165932][ T7345] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  270.165942][ T7345] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  270.165952][ T7345] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  270.165961][ T7345] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  270.165971][ T7345] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  270.165993][ T7345]  </TASK>
[  270.166017][ T7345] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  270.467808][ T7345] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/20 09:18:13 executed programs: 203
[  270.767128][ T7349] loop1: detected capacity change from 0 to 32768
[  270.798712][ T7349] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  270.806124][ T7349] CPU: 1 UID: 0 PID: 7349 Comm: syz.1.218 Not tainted syzkaller #0 PREEMPT(full) 
[  270.806150][ T7349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  270.806161][ T7349] Call Trace:
[  270.806169][ T7349]  <TASK>
[  270.806178][ T7349]  dump_stack_lvl+0xe8/0x150
[  270.806208][ T7349]  sysfs_create_dir_ns+0x271/0x2a0
[  270.806234][ T7349]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  270.806260][ T7349]  ? do_raw_spin_unlock+0xf5/0x210
[  270.806283][ T7349]  kobject_add_internal+0x62b/0xd00
[  270.806316][ T7349]  kobject_init_and_add+0x12b/0x1a0
[  270.806347][ T7349]  ? __pfx_kobject_init_and_add+0x10/0x10
[  270.806373][ T7349]  ? __raw_spin_lock_init+0x45/0x100
[  270.806393][ T7349]  ? __init_swait_queue_head+0xa9/0x150
[  270.806416][ T7349]  gfs2_sys_fs_add+0x257/0x480
[  270.806441][ T7349]  ? is_dynamic_key+0x1ac/0x1c0
[  270.806465][ T7349]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  270.806496][ T7349]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  270.806528][ T7349]  gfs2_fill_super+0x13a7/0x21d0
[  270.806564][ T7349]  ? __pfx_gfs2_fill_super+0x10/0x10
[  270.806589][ T7349]  ? sb_set_blocksize+0x155/0x240
[  270.806613][ T7349]  ? setup_bdev_super+0x4c1/0x5b0
[  270.806635][ T7349]  get_tree_bdev_flags+0x431/0x4f0
[  270.806656][ T7349]  ? __pfx_gfs2_fill_super+0x10/0x10
[  270.806676][ T7349]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  270.806694][ T7349]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  270.806722][ T7349]  gfs2_get_tree+0x51/0x1e0
[  270.806745][ T7349]  vfs_get_tree+0x92/0x2a0
[  270.806767][ T7349]  do_new_mount+0x341/0xd30
[  270.806789][ T7349]  ? apparmor_capable+0x126/0x170
[  270.806814][ T7349]  ? __pfx_do_new_mount+0x10/0x10
[  270.806838][ T7349]  ? ns_capable+0x89/0xe0
[  270.806878][ T7349]  ? user_path_at+0xd4/0x160
[  270.806897][ T7349]  __se_sys_mount+0x31d/0x420
[  270.806926][ T7349]  ? __pfx___se_sys_mount+0x10/0x10
[  270.806956][ T7349]  ? __x64_sys_mount+0x20/0xc0
[  270.806981][ T7349]  do_syscall_64+0x14d/0xf80
[  270.807003][ T7349]  ? trace_irq_disable+0x3b/0x150
[  270.807018][ T7349]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  270.807036][ T7349]  ? clear_bhb_loop+0x40/0x90
[  270.807058][ T7349]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  270.807076][ T7349] RIP: 0033:0x7f4e25f9b60a
[  270.807096][ T7349] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  270.807111][ T7349] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  270.807131][ T7349] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  270.807144][ T7349] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  270.807157][ T7349] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  270.807169][ T7349] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  270.807180][ T7349] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  270.807209][ T7349]  </TASK>
[  270.807235][ T7349] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  271.110766][ T7349] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  271.417067][ T7353] loop1: detected capacity change from 0 to 32768
[  271.440590][ T7353] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  271.448095][ T7353] CPU: 1 UID: 0 PID: 7353 Comm: syz.1.219 Not tainted syzkaller #0 PREEMPT(full) 
[  271.448121][ T7353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  271.448131][ T7353] Call Trace:
[  271.448139][ T7353]  <TASK>
[  271.448146][ T7353]  dump_stack_lvl+0xe8/0x150
[  271.448178][ T7353]  sysfs_create_dir_ns+0x271/0x2a0
[  271.448205][ T7353]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  271.448230][ T7353]  ? do_raw_spin_unlock+0xf5/0x210
[  271.448254][ T7353]  kobject_add_internal+0x62b/0xd00
[  271.448286][ T7353]  kobject_init_and_add+0x12b/0x1a0
[  271.448316][ T7353]  ? __pfx_kobject_init_and_add+0x10/0x10
[  271.448342][ T7353]  ? __raw_spin_lock_init+0x45/0x100
[  271.448362][ T7353]  ? __init_swait_queue_head+0xa9/0x150
[  271.448384][ T7353]  gfs2_sys_fs_add+0x257/0x480
[  271.448410][ T7353]  ? is_dynamic_key+0x1ac/0x1c0
[  271.448433][ T7353]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  271.448464][ T7353]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  271.448495][ T7353]  gfs2_fill_super+0x13a7/0x21d0
[  271.448532][ T7353]  ? __pfx_gfs2_fill_super+0x10/0x10
[  271.448558][ T7353]  ? sb_set_blocksize+0x155/0x240
[  271.448583][ T7353]  ? setup_bdev_super+0x4c1/0x5b0
[  271.448605][ T7353]  get_tree_bdev_flags+0x431/0x4f0
[  271.448626][ T7353]  ? __pfx_gfs2_fill_super+0x10/0x10
[  271.448646][ T7353]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  271.448663][ T7353]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  271.448691][ T7353]  gfs2_get_tree+0x51/0x1e0
[  271.448727][ T7353]  vfs_get_tree+0x92/0x2a0
[  271.448750][ T7353]  do_new_mount+0x341/0xd30
[  271.448773][ T7353]  ? apparmor_capable+0x126/0x170
[  271.448798][ T7353]  ? __pfx_do_new_mount+0x10/0x10
[  271.448822][ T7353]  ? ns_capable+0x89/0xe0
[  271.448855][ T7353]  ? user_path_at+0xd4/0x160
[  271.448874][ T7353]  __se_sys_mount+0x31d/0x420
[  271.448903][ T7353]  ? __pfx___se_sys_mount+0x10/0x10
[  271.448933][ T7353]  ? __x64_sys_mount+0x20/0xc0
[  271.448958][ T7353]  do_syscall_64+0x14d/0xf80
[  271.448979][ T7353]  ? trace_irq_disable+0x3b/0x150
[  271.448993][ T7353]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  271.449010][ T7353]  ? clear_bhb_loop+0x40/0x90
[  271.449032][ T7353]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  271.449050][ T7353] RIP: 0033:0x7f4e25f9b60a
[  271.449070][ T7353] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  271.449085][ T7353] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  271.449105][ T7353] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  271.449119][ T7353] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  271.449131][ T7353] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  271.449143][ T7353] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  271.449155][ T7353] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  271.449182][ T7353]  </TASK>
[  271.449208][ T7353] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  271.750402][ T7353] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  272.047062][ T7357] loop1: detected capacity change from 0 to 32768
[  272.063115][ T7357] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  272.071580][ T7357] CPU: 1 UID: 0 PID: 7357 Comm: syz.1.220 Not tainted syzkaller #0 PREEMPT(full) 
[  272.071604][ T7357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  272.071615][ T7357] Call Trace:
[  272.071624][ T7357]  <TASK>
[  272.071632][ T7357]  dump_stack_lvl+0xe8/0x150
[  272.071662][ T7357]  sysfs_create_dir_ns+0x271/0x2a0
[  272.071701][ T7357]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  272.071725][ T7357]  ? do_raw_spin_unlock+0xf5/0x210
[  272.071748][ T7357]  kobject_add_internal+0x62b/0xd00
[  272.071781][ T7357]  kobject_init_and_add+0x12b/0x1a0
[  272.071813][ T7357]  ? __pfx_kobject_init_and_add+0x10/0x10
[  272.071840][ T7357]  ? __raw_spin_lock_init+0x45/0x100
[  272.071861][ T7357]  ? __init_swait_queue_head+0xa9/0x150
[  272.071883][ T7357]  gfs2_sys_fs_add+0x257/0x480
[  272.071908][ T7357]  ? is_dynamic_key+0x1ac/0x1c0
[  272.071931][ T7357]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  272.071962][ T7357]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  272.071994][ T7357]  gfs2_fill_super+0x13a7/0x21d0
[  272.072030][ T7357]  ? __pfx_gfs2_fill_super+0x10/0x10
[  272.072054][ T7357]  ? sb_set_blocksize+0x155/0x240
[  272.072079][ T7357]  ? setup_bdev_super+0x4c1/0x5b0
[  272.072102][ T7357]  get_tree_bdev_flags+0x431/0x4f0
[  272.072123][ T7357]  ? __pfx_gfs2_fill_super+0x10/0x10
[  272.072144][ T7357]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  272.072163][ T7357]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  272.072190][ T7357]  gfs2_get_tree+0x51/0x1e0
[  272.072214][ T7357]  vfs_get_tree+0x92/0x2a0
[  272.072236][ T7357]  do_new_mount+0x341/0xd30
[  272.072257][ T7357]  ? apparmor_capable+0x126/0x170
[  272.072284][ T7357]  ? __pfx_do_new_mount+0x10/0x10
[  272.072308][ T7357]  ? ns_capable+0x89/0xe0
[  272.072341][ T7357]  ? user_path_at+0xd4/0x160
[  272.072361][ T7357]  __se_sys_mount+0x31d/0x420
[  272.072390][ T7357]  ? __pfx___se_sys_mount+0x10/0x10
[  272.072421][ T7357]  ? __x64_sys_mount+0x20/0xc0
[  272.072447][ T7357]  do_syscall_64+0x14d/0xf80
[  272.072469][ T7357]  ? trace_irq_disable+0x3b/0x150
[  272.072485][ T7357]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  272.072503][ T7357]  ? clear_bhb_loop+0x40/0x90
[  272.072525][ T7357]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  272.072542][ T7357] RIP: 0033:0x7f4e25f9b60a
[  272.072559][ T7357] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  272.072573][ T7357] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  272.072593][ T7357] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  272.072605][ T7357] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  272.072617][ T7357] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  272.072628][ T7357] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  272.072640][ T7357] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  272.072668][ T7357]  </TASK>
[  272.072706][ T7357] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  272.373626][ T7357] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  272.676003][ T7361] loop1: detected capacity change from 0 to 32768
[  272.689068][ T7361] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  272.697086][ T7361] CPU: 0 UID: 0 PID: 7361 Comm: syz.1.221 Not tainted syzkaller #0 PREEMPT(full) 
[  272.697112][ T7361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  272.697123][ T7361] Call Trace:
[  272.697131][ T7361]  <TASK>
[  272.697139][ T7361]  dump_stack_lvl+0xe8/0x150
[  272.697170][ T7361]  sysfs_create_dir_ns+0x271/0x2a0
[  272.697197][ T7361]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  272.697221][ T7361]  ? do_raw_spin_unlock+0xf5/0x210
[  272.697241][ T7361]  kobject_add_internal+0x62b/0xd00
[  272.697273][ T7361]  kobject_init_and_add+0x12b/0x1a0
[  272.697304][ T7361]  ? __pfx_kobject_init_and_add+0x10/0x10
[  272.697330][ T7361]  ? __raw_spin_lock_init+0x45/0x100
[  272.697350][ T7361]  ? __init_swait_queue_head+0xa9/0x150
[  272.697373][ T7361]  gfs2_sys_fs_add+0x257/0x480
[  272.697397][ T7361]  ? is_dynamic_key+0x1ac/0x1c0
[  272.697419][ T7361]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  272.697452][ T7361]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  272.697482][ T7361]  gfs2_fill_super+0x13a7/0x21d0
[  272.697518][ T7361]  ? __pfx_gfs2_fill_super+0x10/0x10
[  272.697543][ T7361]  ? sb_set_blocksize+0x155/0x240
[  272.697567][ T7361]  ? setup_bdev_super+0x4c1/0x5b0
[  272.697593][ T7361]  get_tree_bdev_flags+0x431/0x4f0
[  272.697611][ T7361]  ? __pfx_gfs2_fill_super+0x10/0x10
[  272.697629][ T7361]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  272.697647][ T7361]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  272.697674][ T7361]  gfs2_get_tree+0x51/0x1e0
[  272.697697][ T7361]  vfs_get_tree+0x92/0x2a0
[  272.697718][ T7361]  do_new_mount+0x341/0xd30
[  272.697740][ T7361]  ? apparmor_capable+0x126/0x170
[  272.697765][ T7361]  ? __pfx_do_new_mount+0x10/0x10
[  272.697787][ T7361]  ? ns_capable+0x89/0xe0
[  272.697820][ T7361]  ? user_path_at+0xd4/0x160
[  272.697840][ T7361]  __se_sys_mount+0x31d/0x420
[  272.697871][ T7361]  ? __pfx___se_sys_mount+0x10/0x10
[  272.697900][ T7361]  ? __x64_sys_mount+0x20/0xc0
[  272.697927][ T7361]  do_syscall_64+0x14d/0xf80
[  272.697948][ T7361]  ? trace_irq_disable+0x3b/0x150
[  272.697971][ T7361]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  272.697990][ T7361]  ? clear_bhb_loop+0x40/0x90
[  272.698012][ T7361]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  272.698028][ T7361] RIP: 0033:0x7f4e25f9b60a
[  272.698047][ T7361] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  272.698061][ T7361] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  272.698082][ T7361] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  272.698095][ T7361] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  272.698107][ T7361] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  272.698119][ T7361] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  272.698130][ T7361] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  272.698158][ T7361]  </TASK>
[  272.985414][ T7361] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  272.999813][ T7361] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  273.284322][ T7365] loop1: detected capacity change from 0 to 32768
[  273.298200][ T7365] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  273.305614][ T7365] CPU: 1 UID: 0 PID: 7365 Comm: syz.1.222 Not tainted syzkaller #0 PREEMPT(full) 
[  273.305638][ T7365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  273.305648][ T7365] Call Trace:
[  273.305669][ T7365]  <TASK>
[  273.305677][ T7365]  dump_stack_lvl+0xe8/0x150
[  273.305708][ T7365]  sysfs_create_dir_ns+0x271/0x2a0
[  273.305734][ T7365]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  273.305759][ T7365]  ? do_raw_spin_unlock+0xf5/0x210
[  273.305779][ T7365]  kobject_add_internal+0x62b/0xd00
[  273.305809][ T7365]  kobject_init_and_add+0x12b/0x1a0
[  273.305838][ T7365]  ? __pfx_kobject_init_and_add+0x10/0x10
[  273.305862][ T7365]  ? __raw_spin_lock_init+0x45/0x100
[  273.305879][ T7365]  ? __init_swait_queue_head+0xa9/0x150
[  273.305900][ T7365]  gfs2_sys_fs_add+0x257/0x480
[  273.305923][ T7365]  ? is_dynamic_key+0x1ac/0x1c0
[  273.305944][ T7365]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  273.305973][ T7365]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  273.306002][ T7365]  gfs2_fill_super+0x13a7/0x21d0
[  273.306037][ T7365]  ? __pfx_gfs2_fill_super+0x10/0x10
[  273.306061][ T7365]  ? sb_set_blocksize+0x155/0x240
[  273.306084][ T7365]  ? setup_bdev_super+0x4c1/0x5b0
[  273.306104][ T7365]  get_tree_bdev_flags+0x431/0x4f0
[  273.306125][ T7365]  ? __pfx_gfs2_fill_super+0x10/0x10
[  273.306143][ T7365]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  273.306160][ T7365]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  273.306187][ T7365]  gfs2_get_tree+0x51/0x1e0
[  273.306210][ T7365]  vfs_get_tree+0x92/0x2a0
[  273.306232][ T7365]  do_new_mount+0x341/0xd30
[  273.306253][ T7365]  ? apparmor_capable+0x126/0x170
[  273.306278][ T7365]  ? __pfx_do_new_mount+0x10/0x10
[  273.306301][ T7365]  ? ns_capable+0x89/0xe0
[  273.306335][ T7365]  ? user_path_at+0xd4/0x160
[  273.306355][ T7365]  __se_sys_mount+0x31d/0x420
[  273.306383][ T7365]  ? __pfx___se_sys_mount+0x10/0x10
[  273.306410][ T7365]  ? __x64_sys_mount+0x20/0xc0
[  273.306435][ T7365]  do_syscall_64+0x14d/0xf80
[  273.306457][ T7365]  ? trace_irq_disable+0x3b/0x150
[  273.306472][ T7365]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  273.306490][ T7365]  ? clear_bhb_loop+0x40/0x90
[  273.306511][ T7365]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  273.306528][ T7365] RIP: 0033:0x7f4e25f9b60a
[  273.306546][ T7365] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  273.306561][ T7365] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  273.306581][ T7365] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  273.306594][ T7365] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  273.306606][ T7365] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  273.306618][ T7365] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  273.306630][ T7365] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  273.306673][ T7365]  </TASK>
[  273.306699][ T7365] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  273.608972][ T7365] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  273.906049][ T7369] loop1: detected capacity change from 0 to 32768
[  273.929267][ T7369] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  273.936683][ T7369] CPU: 0 UID: 0 PID: 7369 Comm: syz.1.223 Not tainted syzkaller #0 PREEMPT(full) 
[  273.936707][ T7369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  273.936719][ T7369] Call Trace:
[  273.936726][ T7369]  <TASK>
[  273.936735][ T7369]  dump_stack_lvl+0xe8/0x150
[  273.936765][ T7369]  sysfs_create_dir_ns+0x271/0x2a0
[  273.936792][ T7369]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  273.936819][ T7369]  ? do_raw_spin_unlock+0xf5/0x210
[  273.936842][ T7369]  kobject_add_internal+0x62b/0xd00
[  273.936875][ T7369]  kobject_init_and_add+0x12b/0x1a0
[  273.936905][ T7369]  ? __pfx_kobject_init_and_add+0x10/0x10
[  273.936931][ T7369]  ? __raw_spin_lock_init+0x45/0x100
[  273.936952][ T7369]  ? __init_swait_queue_head+0xa9/0x150
[  273.936975][ T7369]  gfs2_sys_fs_add+0x257/0x480
[  273.936998][ T7369]  ? is_dynamic_key+0x1ac/0x1c0
[  273.937022][ T7369]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  273.937054][ T7369]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  273.937086][ T7369]  gfs2_fill_super+0x13a7/0x21d0
[  273.937122][ T7369]  ? __pfx_gfs2_fill_super+0x10/0x10
[  273.937146][ T7369]  ? sb_set_blocksize+0x155/0x240
[  273.937170][ T7369]  ? setup_bdev_super+0x4c1/0x5b0
[  273.937192][ T7369]  get_tree_bdev_flags+0x431/0x4f0
[  273.937211][ T7369]  ? __pfx_gfs2_fill_super+0x10/0x10
[  273.937228][ T7369]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  273.937256][ T7369]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  273.937282][ T7369]  gfs2_get_tree+0x51/0x1e0
[  273.937305][ T7369]  vfs_get_tree+0x92/0x2a0
[  273.937326][ T7369]  do_new_mount+0x341/0xd30
[  273.937347][ T7369]  ? apparmor_capable+0x126/0x170
[  273.937374][ T7369]  ? __pfx_do_new_mount+0x10/0x10
[  273.937397][ T7369]  ? ns_capable+0x89/0xe0
[  273.937429][ T7369]  ? user_path_at+0xd4/0x160
[  273.937449][ T7369]  __se_sys_mount+0x31d/0x420
[  273.937478][ T7369]  ? __pfx___se_sys_mount+0x10/0x10
[  273.937519][ T7369]  ? __x64_sys_mount+0x20/0xc0
[  273.937545][ T7369]  do_syscall_64+0x14d/0xf80
[  273.937564][ T7369]  ? trace_irq_disable+0x3b/0x150
[  273.937577][ T7369]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  273.937597][ T7369]  ? clear_bhb_loop+0x40/0x90
[  273.937617][ T7369]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  273.937633][ T7369] RIP: 0033:0x7f4e25f9b60a
[  273.937650][ T7369] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  273.937664][ T7369] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  273.937681][ T7369] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  273.937694][ T7369] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  273.937705][ T7369] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  273.937716][ T7369] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  273.937728][ T7369] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  273.937753][ T7369]  </TASK>
[  274.226899][ T7369] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  274.242466][ T7369] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  274.550231][ T7373] loop1: detected capacity change from 0 to 32768
[  274.561707][ T7373] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  274.570428][ T7373] CPU: 1 UID: 0 PID: 7373 Comm: syz.1.224 Not tainted syzkaller #0 PREEMPT(full) 
[  274.570451][ T7373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  274.570461][ T7373] Call Trace:
[  274.570468][ T7373]  <TASK>
[  274.570475][ T7373]  dump_stack_lvl+0xe8/0x150
[  274.570502][ T7373]  sysfs_create_dir_ns+0x271/0x2a0
[  274.570524][ T7373]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  274.570544][ T7373]  ? do_raw_spin_unlock+0xf5/0x210
[  274.570563][ T7373]  kobject_add_internal+0x62b/0xd00
[  274.570590][ T7373]  kobject_init_and_add+0x12b/0x1a0
[  274.570615][ T7373]  ? __pfx_kobject_init_and_add+0x10/0x10
[  274.570635][ T7373]  ? __raw_spin_lock_init+0x45/0x100
[  274.570652][ T7373]  ? __init_swait_queue_head+0xa9/0x150
[  274.570678][ T7373]  gfs2_sys_fs_add+0x257/0x480
[  274.570698][ T7373]  ? is_dynamic_key+0x1ac/0x1c0
[  274.570716][ T7373]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  274.570742][ T7373]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  274.570767][ T7373]  gfs2_fill_super+0x13a7/0x21d0
[  274.570795][ T7373]  ? __pfx_gfs2_fill_super+0x10/0x10
[  274.570815][ T7373]  ? sb_set_blocksize+0x155/0x240
[  274.570835][ T7373]  ? setup_bdev_super+0x4c1/0x5b0
[  274.570858][ T7373]  get_tree_bdev_flags+0x431/0x4f0
[  274.570874][ T7373]  ? __pfx_gfs2_fill_super+0x10/0x10
[  274.570890][ T7373]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  274.570904][ T7373]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  274.570926][ T7373]  gfs2_get_tree+0x51/0x1e0
[  274.570945][ T7373]  vfs_get_tree+0x92/0x2a0
[  274.570962][ T7373]  do_new_mount+0x341/0xd30
[  274.570979][ T7373]  ? apparmor_capable+0x126/0x170
[  274.571000][ T7373]  ? __pfx_do_new_mount+0x10/0x10
[  274.571039][ T7373]  ? ns_capable+0x89/0xe0
[  274.571065][ T7373]  ? user_path_at+0xd4/0x160
[  274.571081][ T7373]  __se_sys_mount+0x31d/0x420
[  274.571104][ T7373]  ? __pfx___se_sys_mount+0x10/0x10
[  274.571128][ T7373]  ? __x64_sys_mount+0x20/0xc0
[  274.571148][ T7373]  do_syscall_64+0x14d/0xf80
[  274.571167][ T7373]  ? trace_irq_disable+0x3b/0x150
[  274.571179][ T7373]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  274.571194][ T7373]  ? clear_bhb_loop+0x40/0x90
[  274.571212][ T7373]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  274.571226][ T7373] RIP: 0033:0x7f4e25f9b60a
[  274.571242][ T7373] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  274.571254][ T7373] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  274.571270][ T7373] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  274.571280][ T7373] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  274.571290][ T7373] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  274.571300][ T7373] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  274.571309][ T7373] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  274.571332][ T7373]  </TASK>
[  274.571355][ T7373] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  274.873109][ T7373] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  275.178978][ T7377] loop1: detected capacity change from 0 to 32768
[  275.199661][ T7377] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  275.207082][ T7377] CPU: 1 UID: 0 PID: 7377 Comm: syz.1.225 Not tainted syzkaller #0 PREEMPT(full) 
[  275.207099][ T7377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  275.207106][ T7377] Call Trace:
[  275.207114][ T7377]  <TASK>
[  275.207119][ T7377]  dump_stack_lvl+0xe8/0x150
[  275.207140][ T7377]  sysfs_create_dir_ns+0x271/0x2a0
[  275.207158][ T7377]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  275.207173][ T7377]  ? do_raw_spin_unlock+0xf5/0x210
[  275.207188][ T7377]  kobject_add_internal+0x62b/0xd00
[  275.207209][ T7377]  kobject_init_and_add+0x12b/0x1a0
[  275.207228][ T7377]  ? __pfx_kobject_init_and_add+0x10/0x10
[  275.207244][ T7377]  ? __raw_spin_lock_init+0x45/0x100
[  275.207256][ T7377]  ? __init_swait_queue_head+0xa9/0x150
[  275.207270][ T7377]  gfs2_sys_fs_add+0x257/0x480
[  275.207286][ T7377]  ? is_dynamic_key+0x1ac/0x1c0
[  275.207301][ T7377]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  275.207321][ T7377]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  275.207339][ T7377]  gfs2_fill_super+0x13a7/0x21d0
[  275.207360][ T7377]  ? __pfx_gfs2_fill_super+0x10/0x10
[  275.207379][ T7377]  ? sb_set_blocksize+0x155/0x240
[  275.207395][ T7377]  ? setup_bdev_super+0x4c1/0x5b0
[  275.207409][ T7377]  get_tree_bdev_flags+0x431/0x4f0
[  275.207421][ T7377]  ? __pfx_gfs2_fill_super+0x10/0x10
[  275.207433][ T7377]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  275.207444][ T7377]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  275.207460][ T7377]  gfs2_get_tree+0x51/0x1e0
[  275.207474][ T7377]  vfs_get_tree+0x92/0x2a0
[  275.207493][ T7377]  do_new_mount+0x341/0xd30
[  275.207508][ T7377]  ? apparmor_capable+0x126/0x170
[  275.207524][ T7377]  ? __pfx_do_new_mount+0x10/0x10
[  275.207538][ T7377]  ? ns_capable+0x89/0xe0
[  275.207559][ T7377]  ? user_path_at+0xd4/0x160
[  275.207570][ T7377]  __se_sys_mount+0x31d/0x420
[  275.207601][ T7377]  ? __pfx___se_sys_mount+0x10/0x10
[  275.207627][ T7377]  ? __x64_sys_mount+0x20/0xc0
[  275.207649][ T7377]  do_syscall_64+0x14d/0xf80
[  275.207668][ T7377]  ? trace_irq_disable+0x3b/0x150
[  275.207681][ T7377]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  275.207697][ T7377]  ? clear_bhb_loop+0x40/0x90
[  275.207717][ T7377]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  275.207732][ T7377] RIP: 0033:0x7f4e25f9b60a
[  275.207750][ T7377] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  275.207763][ T7377] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  275.207781][ T7377] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  275.207793][ T7377] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  275.207804][ T7377] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  275.207816][ T7377] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  275.207827][ T7377] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  275.207853][ T7377]  </TASK>
[  275.493658][ T7377] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  275.508909][ T7377] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/20 09:18:18 executed programs: 211
[  275.802208][ T7381] loop1: detected capacity change from 0 to 32768
[  275.839402][ T7381] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  275.846953][ T7381] CPU: 1 UID: 0 PID: 7381 Comm: syz.1.226 Not tainted syzkaller #0 PREEMPT(full) 
[  275.846976][ T7381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  275.846987][ T7381] Call Trace:
[  275.846994][ T7381]  <TASK>
[  275.847001][ T7381]  dump_stack_lvl+0xe8/0x150
[  275.847029][ T7381]  sysfs_create_dir_ns+0x271/0x2a0
[  275.847055][ T7381]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  275.847079][ T7381]  ? do_raw_spin_unlock+0xf5/0x210
[  275.847103][ T7381]  kobject_add_internal+0x62b/0xd00
[  275.847135][ T7381]  kobject_init_and_add+0x12b/0x1a0
[  275.847161][ T7381]  ? __pfx_kobject_init_and_add+0x10/0x10
[  275.847185][ T7381]  ? __raw_spin_lock_init+0x45/0x100
[  275.847206][ T7381]  ? __init_swait_queue_head+0xa9/0x150
[  275.847229][ T7381]  gfs2_sys_fs_add+0x257/0x480
[  275.847254][ T7381]  ? is_dynamic_key+0x1ac/0x1c0
[  275.847277][ T7381]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  275.847308][ T7381]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  275.847346][ T7381]  gfs2_fill_super+0x13a7/0x21d0
[  275.847380][ T7381]  ? __pfx_gfs2_fill_super+0x10/0x10
[  275.847403][ T7381]  ? sb_set_blocksize+0x155/0x240
[  275.847425][ T7381]  ? setup_bdev_super+0x4c1/0x5b0
[  275.847445][ T7381]  get_tree_bdev_flags+0x431/0x4f0
[  275.847465][ T7381]  ? __pfx_gfs2_fill_super+0x10/0x10
[  275.847483][ T7381]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  275.847499][ T7381]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  275.847522][ T7381]  gfs2_get_tree+0x51/0x1e0
[  275.847536][ T7381]  vfs_get_tree+0x92/0x2a0
[  275.847550][ T7381]  do_new_mount+0x341/0xd30
[  275.847564][ T7381]  ? apparmor_capable+0x126/0x170
[  275.847582][ T7381]  ? __pfx_do_new_mount+0x10/0x10
[  275.847606][ T7381]  ? ns_capable+0x89/0xe0
[  275.847634][ T7381]  ? user_path_at+0xd4/0x160
[  275.847652][ T7381]  __se_sys_mount+0x31d/0x420
[  275.847679][ T7381]  ? __pfx___se_sys_mount+0x10/0x10
[  275.847704][ T7381]  ? __x64_sys_mount+0x20/0xc0
[  275.847728][ T7381]  do_syscall_64+0x14d/0xf80
[  275.847750][ T7381]  ? trace_irq_disable+0x3b/0x150
[  275.847766][ T7381]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  275.847784][ T7381]  ? clear_bhb_loop+0x40/0x90
[  275.847804][ T7381]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  275.847820][ T7381] RIP: 0033:0x7f4e25f9b60a
[  275.847837][ T7381] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  275.847852][ T7381] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  275.847871][ T7381] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  275.847884][ T7381] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  275.847896][ T7381] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  275.847907][ T7381] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  275.847918][ T7381] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  275.847945][ T7381]  </TASK>
[  276.134120][ T7381] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  276.148766][ T7381] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  276.178098][   T30] INFO: task kworker/1:2:803 blocked for more than 143 seconds.
[  276.185864][   T30]       Not tainted syzkaller #0
[  276.190872][   T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  276.199580][   T30] task:kworker/1:2     state:D stack:25472 pid:803   tgid:803   ppid:2      task_flags:0x4208060 flags:0x00080000
[  276.211657][   T30] Workqueue: gfs2_recovery gfs2_recover_func
[  276.218165][   T30] Call Trace:
[  276.221468][   T30]  <TASK>
[  276.224415][   T30]  __schedule+0x1585/0x5340
[  276.229010][   T30]  ? __lock_acquire+0x146e/0x2cf0
[  276.234079][   T30]  ? __pfx___schedule+0x10/0x10
[  276.239165][   T30]  ? schedule+0x90/0x360
[  276.243455][   T30]  schedule+0x164/0x360
[  276.247670][   T30]  io_schedule+0x7f/0xd0
[  276.251925][   T30]  folio_wait_bit_common+0x6d8/0xbc0
[  276.257244][   T30]  ? __pfx_folio_wait_bit_common+0x10/0x10
[  276.263180][   T30]  ? __submit_bio+0x28d/0x580
[  276.267946][   T30]  ? __pfx_wake_page_function+0x10/0x10
[  276.273515][   T30]  ? __get_log_header+0x2a3/0x630
[  276.278620][   T30]  ? __filemap_get_folio_mpol+0x710/0xb00
[  276.284927][   T30]  gfs2_jhead_process_page+0x175/0x670
[  276.290469][   T30]  ? __pfx_gfs2_jhead_process_page+0x10/0x10
[  276.296498][   T30]  gfs2_find_jhead+0xbd2/0xd30
[  276.301362][   T30]  gfs2_recover_func+0x6cf/0x1f60
[  276.306417][   T30]  ? ret_from_fork_asm+0x1a/0x30
[  276.311396][   T30]  ? __pfx_stack_trace_consume_entry+0x10/0x10
[  276.317551][   T30]  ? arch_stack_walk+0x11b/0x150
[  276.322629][   T30]  ? ret_from_fork_asm+0x1a/0x30
[  276.327648][   T30]  ? __pfx_gfs2_recover_func+0x10/0x10
[  276.333130][   T30]  ? stack_trace_save+0xa9/0x100
[  276.338176][   T30]  ? __pfx_stack_trace_save+0x10/0x10
[  276.343752][   T30]  ? check_path+0x21/0x40
[  276.348276][   T30]  ? add_lock_to_list+0xc7/0x100
[  276.353254][   T30]  ? lockdep_unlock+0x5d/0xd0
[  276.357981][   T30]  ? __lock_acquire+0x146e/0x2cf0
[  276.363408][   T30]  ? process_one_work+0x87c/0x1650
[  276.368642][   T30]  process_one_work+0x949/0x1650
[  276.373627][   T30]  ? __pfx_process_one_work+0x10/0x10
[  276.379161][   T30]  ? do_raw_spin_lock+0x12b/0x2f0
[  276.384767][   T30]  worker_thread+0xb46/0x1140
[  276.389526][   T30]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  276.395383][   T30]  kthread+0x388/0x470
[  276.399517][   T30]  ? __pfx_worker_thread+0x10/0x10
[  276.404668][   T30]  ? __pfx_kthread+0x10/0x10
[  276.409318][   T30]  ret_from_fork+0x51e/0xb90
[  276.414027][   T30]  ? __pfx_ret_from_fork+0x10/0x10
[  276.419277][   T30]  ? __switch_to+0xc7d/0x1450
[  276.423986][   T30]  ? __pfx_kthread+0x10/0x10
[  276.430700][   T30]  ret_from_fork_asm+0x1a/0x30
[  276.435517][   T30]  </TASK>
[  276.438907][   T30] INFO: task syz.0.17:6508 blocked for more than 143 seconds.
[  276.446391][   T30]       Not tainted syzkaller #0
[  276.451750][   T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  276.460821][   T30] task:syz.0.17        state:D stack:24936 pid:6508  tgid:6507  ppid:6423   task_flags:0x400140 flags:0x00080002
[  276.473101][   T30] Call Trace:
[  276.476398][   T30]  <TASK>
[  276.479842][   T30]  __schedule+0x1585/0x5340
[  276.485192][   T30]  ? __pfx___schedule+0x10/0x10
[  276.490519][   T30]  ? schedule+0x90/0x360
[  276.494798][   T30]  schedule+0x164/0x360
[  276.501108][   T30]  bit_wait+0x11/0xd0
[  276.505133][   T30]  __wait_on_bit+0xb9/0x310
[  276.510135][   T30]  ? __pfx_bit_wait+0x10/0x10
[  276.514844][   T30]  out_of_line_wait_on_bit+0x13b/0x190
[  276.520730][   T30]  ? __pfx_bit_wait+0x10/0x10
[  276.525449][   T30]  ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[  276.531878][   T30]  ? __pfx_wake_bit_function+0x10/0x10
[  276.537432][   T30]  gfs2_recover_journal+0xda/0x140
[  276.542995][   T30]  init_journal+0x16ad/0x22b0
[  276.548001][   T30]  ? init_inodes+0xdb/0x320
[  276.552547][   T30]  ? __pfx_init_journal+0x10/0x10
[  276.557955][   T30]  ? snprintf+0xe8/0x140
[  276.562219][   T30]  ? init_inodes+0xdb/0x320
[  276.566735][   T30]  ? __pfx_snprintf+0x10/0x10
[  276.572706][   T30]  ? gfs2_glock_nq_num+0x13d/0x170
[  276.578128][   T30]  init_inodes+0xdb/0x320
[  276.582485][   T30]  gfs2_fill_super+0x1a38/0x21d0
[  276.589659][   T30]  ? __pfx_gfs2_fill_super+0x10/0x10
[  276.594987][   T30]  ? init_locking+0xb8/0x210
[  276.599984][   T30]  ? sb_set_blocksize+0x155/0x240
[  276.605569][   T30]  ? setup_bdev_super+0x4c1/0x5b0
[  276.611450][   T30]  get_tree_bdev_flags+0x431/0x4f0
[  276.616606][   T30]  ? __pfx_gfs2_fill_super+0x10/0x10
[  276.622336][   T30]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  276.628278][   T30]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  276.633963][   T30]  gfs2_get_tree+0x51/0x1e0
[  276.638867][   T30]  vfs_get_tree+0x92/0x2a0
[  276.643320][   T30]  do_new_mount+0x341/0xd30
[  276.648308][   T30]  ? apparmor_capable+0x126/0x170
[  276.653385][   T30]  ? __pfx_do_new_mount+0x10/0x10
[  276.658918][   T30]  ? ns_capable+0x89/0xe0
[  276.663372][   T30]  ? user_path_at+0xd4/0x160
[  276.668402][   T30]  __se_sys_mount+0x31d/0x420
[  276.673113][   T30]  ? __pfx___se_sys_mount+0x10/0x10
[  276.679740][   T30]  ? __x64_sys_mount+0x20/0xc0
[  276.684539][   T30]  do_syscall_64+0x14d/0xf80
[  276.690526][   T30]  ? trace_irq_disable+0x3b/0x150
[  276.695577][   T30]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  276.703032][   T30]  ? clear_bhb_loop+0x40/0x90
[  276.707989][   T30]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  276.713909][   T30] RIP: 0033:0x7f490bb9b60a
[  276.719185][   T30] RSP: 002b:00007f490c96ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  276.727970][   T30] RAX: ffffffffffffffda RBX: 00007f490c96cee0 RCX: 00007f490bb9b60a
[  276.735969][   T30] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f490c96cea0
[  276.746360][   T30] RBP: 000020000001f680 R08: 00007f490c96cee0 R09: 0000000000000094
[  276.751933][ T7385] loop1: detected capacity change from 0 to 32768
[  276.754856][   T30] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  276.771282][   T30] R13: 00007f490c96cea0 R14: 000000000001f790 R15: 00002000000001c0
[  276.779466][   T30]  </TASK>
[  276.783782][   T30] 
[  276.783782][   T30] Showing all locks held in the system:
[  276.787882][ T7385] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  276.796980][   T30] 1 lock held by khungtaskd/30:
[  276.802870][ T7385] CPU: 1 UID: 0 PID: 7385 Comm: syz.1.227 Not tainted syzkaller #0 PREEMPT(full) 
[  276.802894][ T7385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  276.802904][ T7385] Call Trace:
[  276.802912][ T7385]  <TASK>
[  276.802920][ T7385]  dump_stack_lvl+0xe8/0x150
[  276.802950][ T7385]  sysfs_create_dir_ns+0x271/0x2a0
[  276.802977][ T7385]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  276.803002][ T7385]  ? do_raw_spin_unlock+0xf5/0x210
[  276.803026][ T7385]  kobject_add_internal+0x62b/0xd00
[  276.803058][ T7385]  kobject_init_and_add+0x12b/0x1a0
[  276.803087][ T7385]  ? __pfx_kobject_init_and_add+0x10/0x10
[  276.803113][ T7385]  ? __raw_spin_lock_init+0x45/0x100
[  276.803133][ T7385]  ? __init_swait_queue_head+0xa9/0x150
[  276.803156][ T7385]  gfs2_sys_fs_add+0x257/0x480
[  276.803180][ T7385]  ? is_dynamic_key+0x1ac/0x1c0
[  276.803203][ T7385]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  276.803241][ T7385]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  276.803272][ T7385]  gfs2_fill_super+0x13a7/0x21d0
[  276.803308][ T7385]  ? __pfx_gfs2_fill_super+0x10/0x10
[  276.803332][ T7385]  ? sb_set_blocksize+0x155/0x240
[  276.803356][ T7385]  ? setup_bdev_super+0x4c1/0x5b0
[  276.803379][ T7385]  get_tree_bdev_flags+0x431/0x4f0
[  276.803400][ T7385]  ? __pfx_gfs2_fill_super+0x10/0x10
[  276.803420][ T7385]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  276.803437][ T7385]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  276.803465][ T7385]  gfs2_get_tree+0x51/0x1e0
[  276.803492][ T7385]  vfs_get_tree+0x92/0x2a0
[  276.803513][ T7385]  do_new_mount+0x341/0xd30
[  276.803535][ T7385]  ? apparmor_capable+0x126/0x170
[  276.803561][ T7385]  ? __pfx_do_new_mount+0x10/0x10
[  276.803584][ T7385]  ? ns_capable+0x89/0xe0
[  276.803616][ T7385]  ? user_path_at+0xd4/0x160
[  276.803635][ T7385]  __se_sys_mount+0x31d/0x420
[  276.803664][ T7385]  ? __pfx___se_sys_mount+0x10/0x10
[  276.803693][ T7385]  ? __x64_sys_mount+0x20/0xc0
[  276.803723][ T7385]  do_syscall_64+0x14d/0xf80
[  276.803744][ T7385]  ? trace_irq_disable+0x3b/0x150
[  276.803759][ T7385]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  276.803777][ T7385]  ? clear_bhb_loop+0x40/0x90
[  276.803799][ T7385]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  276.803816][ T7385] RIP: 0033:0x7f4e25f9b60a
[  276.803834][ T7385] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  276.803861][ T7385] RSP: 002b:00007f4e255fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  276.803880][ T7385] RAX: ffffffffffffffda RBX: 00007f4e255fdee0 RCX: 00007f4e25f9b60a
[  276.803892][ T7385] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4e255fdea0
[  276.803903][ T7385] RBP: 000020000001f680 R08: 00007f4e255fdee0 R09: 0000000000000094
[  276.803915][ T7385] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  276.803926][ T7385] R13: 00007f4e255fdea0 R14: 000000000001f790 R15: 00002000000001c0
[  276.803954][ T7385]  </TASK>
[  276.803976][ T7385] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  276.805197][   T30]  #0: 
[  276.818769][ T7385] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  276.826427][   T30] ffffffff8e7602e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[  277.128217][   T30] 2 locks held by kworker/1:2/803:
[  277.133347][   T30]  #0: ffff88801e746148 ((wq_completion)gfs2_recovery){+.+.}-{0:0}, at: process_one_work+0x855/0x1650
[  277.145324][   T30]  #1: ffffc90003f47c40 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x87c/0x1650
[  277.156912][   T30] 2 locks held by getty/5585:
[  277.161668][   T30]  #0: ffff888032a5b0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  277.172635][   T30]  #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45c/0x13c0
[  277.182984][   T30] 1 lock held by syz.0.17/6508:
[  277.187896][   T30]  #0: ffff8880284fa0e0 (&type->s_umount_key#54/1){+.+.}-{4:4}, at: alloc_super+0x28c/0xab0
[  277.198137][   T30] 1 lock held by syz.1.228/7389:
[  277.204175][   T30] 
[  277.206525][   T30] =============================================
[  277.206525][   T30] 
[  277.215320][   T30] NMI backtrace for cpu 0
[  277.215339][   T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  277.215359][   T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  277.215370][   T30] Call Trace:
[  277.215377][   T30]  <TASK>
[  277.215385][   T30]  dump_stack_lvl+0xe8/0x150
[  277.215415][   T30]  nmi_cpu_backtrace+0x274/0x2d0
[  277.215435][   T30]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  277.215461][   T30]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  277.215484][   T30]  sys_info+0x135/0x170
[  277.215507][   T30]  watchdog+0xfd9/0x1030
[  277.215527][   T30]  ? watchdog+0x21a/0x1030
[  277.215550][   T30]  kthread+0x388/0x470
[  277.215569][   T30]  ? __pfx_watchdog+0x10/0x10
[  277.215584][   T30]  ? __pfx_kthread+0x10/0x10
[  277.215603][   T30]  ret_from_fork+0x51e/0xb90
[  277.215629][   T30]  ? __pfx_ret_from_fork+0x10/0x10
[  277.215650][   T30]  ? __switch_to+0xc7d/0x1450
[  277.215675][   T30]  ? __pfx_kthread+0x10/0x10
[  277.215693][   T30]  ret_from_fork_asm+0x1a/0x30
[  277.215723][   T30]  </TASK>
[  277.215731][   T30] Sending NMI from CPU 0 to CPUs 1:
[  277.327154][    C1] NMI backtrace for cpu 1
[  277.327173][    C1] CPU: 1 UID: 0 PID: 7389 Comm: syz.1.228 Not tainted syzkaller #0 PREEMPT(full) 
[  277.327191][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  277.327200][    C1] RIP: 0010:sized_strscpy+0x0/0x250
[  277.327226][    C1] Code: 8b 74 24 08 48 8b 04 24 e9 96 fe ff ff 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 55 41 57 41 56 41 55 41 54 53 50 48 c7 c3 f9 ff ff ff
[  277.327238][    C1] RSP: 0018:ffffc900057ff378 EFLAGS: 00000282
[  277.327252][    C1] RAX: ffffffff823a31a9 RBX: ffff88801ecbc2c8 RCX: ffff88803257bc80
[  277.327263][    C1] RDX: 000000000000000a RSI: ffff88803257c560 RDI: ffff88801ecbc2c8
[  277.327274][    C1] RBP: ffff88801ecbc2a0 R08: ffffffff823a2f1a R09: ffffffff8e7602e0
[  277.327285][    C1] R10: ffff88803257c560 R11: ffffffff81b0c5b0 R12: 000000000000000a
[  277.327296][    C1] R13: 0000000000000000 R14: 0000000000000009 R15: 0000000000000000
[  277.327305][    C1] FS:  00007f4e255fe6c0(0000) GS:ffff888125557000(0000) knlGS:0000000000000000
[  277.327318][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  277.327329][    C1] CR2: 00007f4e1dfff000 CR3: 000000007adca000 CR4: 00000000003526f0
[  277.327343][    C1] Call Trace:
[  277.327350][    C1]  <TASK>
[  277.327356][    C1]  __update_page_owner_handle+0x307/0x570
[  277.327374][    C1]  ? __update_page_owner_handle+0x5a/0x570
[  277.327393][    C1]  __set_page_owner+0x10a/0x4c0
[  277.327410][    C1]  ? __pfx___set_page_owner+0x10/0x10
[  277.327432][    C1]  ? seqcount_lockdep_reader_access+0x89/0xc0
[  277.327453][    C1]  ? lockdep_hardirqs_on+0x7a/0x110
[  277.327471][    C1]  ? bad_range+0x8b/0x2c0
[  277.327492][    C1]  post_alloc_hook+0x231/0x280
[  277.327508][    C1]  get_page_from_freelist+0x24dc/0x2580
[  277.327529][    C1]  ? __pfx_css_rstat_updated+0x10/0x10
[  277.327554][    C1]  ? prepare_alloc_pages+0x22a/0x650
[  277.327574][    C1]  __alloc_frozen_pages_noprof+0x18d/0x380
[  277.327595][    C1]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[  277.327612][    C1]  ? __pfx_policy_nodemask+0x10/0x10
[  277.327632][    C1]  alloc_pages_mpol+0x232/0x4a0
[  277.327651][    C1]  folio_alloc_mpol_noprof+0x39/0x70
[  277.327669][    C1]  shmem_alloc_and_add_folio+0x445/0xf80
[  277.327687][    C1]  ? filemap_get_entry+0xca/0x320
[  277.327702][    C1]  ? filemap_get_entry+0xca/0x320
[  277.327716][    C1]  ? filemap_get_entry+0x2ac/0x320
[  277.327730][    C1]  ? __pfx_filemap_get_entry+0x10/0x10
[  277.327746][    C1]  ? __pfx_shmem_alloc_and_add_folio+0x10/0x10
[  277.327762][    C1]  ? shmem_allowable_huge_orders+0x309/0x690
[  277.327782][    C1]  ? irqentry_exit+0x59e/0x620
[  277.327802][    C1]  shmem_get_folio_gfp+0x5a9/0x1670
[  277.327829][    C1]  shmem_write_begin+0x16c/0x330
[  277.327846][    C1]  generic_perform_write+0x2e2/0x8f0
[  277.327869][    C1]  ? __pfx_generic_perform_write+0x10/0x10
[  277.327887][    C1]  ? preempt_count_add+0x91/0x190
[  277.327907][    C1]  ? mnt_put_write_access_file+0xb9/0x100
[  277.327924][    C1]  ? file_update_time_flags+0x400/0x4a0
[  277.327942][    C1]  shmem_file_write_iter+0xf8/0x120
[  277.327957][    C1]  vfs_write+0x61d/0xb90
[  277.327975][    C1]  ? __pfx_vfs_write+0x10/0x10
[  277.327994][    C1]  ? __fget_files+0x2a/0x420
[  277.328016][    C1]  ksys_write+0x150/0x270
[  277.328032][    C1]  ? __pfx_ksys_write+0x10/0x10
[  277.328051][    C1]  do_syscall_64+0x14d/0xf80
[  277.328068][    C1]  ? trace_irq_disable+0x3b/0x150
[  277.328081][    C1]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  277.328096][    C1]  ? clear_bhb_loop+0x40/0x90
[  277.328113][    C1]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  277.328127][    C1] RIP: 0033:0x7f4e25f5ac4e
[  277.328140][    C1] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
[  277.328152][    C1] RSP: 002b:00007f4e255fdda8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  277.328167][    C1] RAX: ffffffffffffffda RBX: 00007f4e255fe6c0 RCX: 00007f4e25f5ac4e
[  277.328178][    C1] RDX: 0000000001000000 RSI: 00007f4e1d000000 RDI: 0000000000000003
[  277.328188][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  277.328197][    C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
[  277.328206][    C1] R13: 00007f4e255fdee0 R14: 00007f4e255fdea0 R15: 00007f4e1d000000
[  277.328224][    C1]  </TASK>
[  277.329274][   T30] Kernel panic - not syncing: hung_task: blocked tasks
[  277.329293][   T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  277.329314][   T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  277.329325][   T30] Call Trace:
[  277.329334][   T30]  <TASK>
[  277.329343][   T30]  vpanic+0x56c/0xa60
[  277.329370][   T30]  ? __pfx___schedule+0x10/0x10
[  277.329391][   T30]  ? __pfx_vpanic+0x10/0x10
[  277.329422][   T30]  panic+0xc5/0xd0
[  277.329444][   T30]  ? __pfx_panic+0x10/0x10
[  277.329469][   T30]  ? preempt_schedule_thunk+0x16/0x30
[  277.329494][   T30]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  277.329517][   T30]  watchdog+0x1023/0x1030
[  277.329539][   T30]  ? watchdog+0x21a/0x1030
[  277.329562][   T30]  kthread+0x388/0x470
[  277.329581][   T30]  ? __pfx_watchdog+0x10/0x10
[  277.329597][   T30]  ? __pfx_kthread+0x10/0x10
[  277.329616][   T30]  ret_from_fork+0x51e/0xb90
[  277.329643][   T30]  ? __pfx_ret_from_fork+0x10/0x10
[  277.329665][   T30]  ? __switch_to+0xc7d/0x1450
[  277.329688][   T30]  ? __pfx_kthread+0x10/0x10
[  277.329708][   T30]  ret_from_fork_asm+0x1a/0x30
[  277.329739][   T30]  </TASK>
[  277.861474][   T30] Kernel Offset: disabled
[  277.865780][   T30] Rebooting in 86400 seconds..