99][ T9627] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  611.192412][ T9627] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  611.192425][ T9627] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  611.192456][ T9627]  </TASK>
[  611.193009][ T9627] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  611.346208][ T9623] loop0: detected capacity change from 0 to 32768
[  611.543368][ T9617] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  611.607601][ T9627] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  611.706720][ T9628] loop2: detected capacity change from 0 to 32768
[  611.713497][ T9623] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  611.742412][ T9628] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  611.753207][ T9623] CPU: 1 UID: 0 PID: 9623 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  611.753236][ T9623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  611.753249][ T9623] Call Trace:
[  611.753258][ T9623]  <TASK>
[  611.753268][ T9623]  dump_stack_lvl+0xe8/0x150
[  611.753305][ T9623]  sysfs_create_dir_ns+0x271/0x2a0
[  611.753339][ T9623]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  611.753370][ T9623]  ? do_raw_spin_unlock+0xf5/0x210
[  611.753399][ T9623]  kobject_add_internal+0x62b/0xd00
[  611.753439][ T9623]  kobject_init_and_add+0x12b/0x1a0
[  611.753477][ T9623]  ? __pfx_kobject_init_and_add+0x10/0x10
[  611.753510][ T9623]  ? __raw_spin_lock_init+0x45/0x100
[  611.753536][ T9623]  ? __init_swait_queue_head+0xa9/0x150
[  611.753563][ T9623]  gfs2_sys_fs_add+0x257/0x480
[  611.753589][ T9623]  ? is_dynamic_key+0x1ac/0x1c0
[  611.753619][ T9623]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  611.753656][ T9623]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  611.753693][ T9623]  gfs2_fill_super+0x13a7/0x21d0
[  611.753731][ T9623]  ? __pfx_gfs2_fill_super+0x10/0x10
[  611.753757][ T9623]  ? sb_set_blocksize+0x155/0x240
[  611.753791][ T9623]  ? setup_bdev_super+0x4c1/0x5b0
[  611.753818][ T9623]  get_tree_bdev_flags+0x431/0x4f0
[  611.753841][ T9623]  ? __pfx_gfs2_fill_super+0x10/0x10
[  611.753861][ T9623]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  611.753882][ T9623]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  611.753913][ T9623]  gfs2_get_tree+0x51/0x1e0
[  611.753937][ T9623]  vfs_get_tree+0x92/0x2a0
[  611.753962][ T9623]  do_new_mount+0x341/0xd30
[  611.753988][ T9623]  ? apparmor_capable+0x126/0x170
[  611.754013][ T9623]  ? __pfx_do_new_mount+0x10/0x10
[  611.754041][ T9623]  ? ns_capable+0x89/0xe0
[  611.754090][ T9623]  ? user_path_at+0xd4/0x160
[  611.754112][ T9623]  __se_sys_mount+0x31d/0x420
[  611.754148][ T9623]  ? __pfx___se_sys_mount+0x10/0x10
[  611.754183][ T9623]  ? __x64_sys_mount+0x20/0xc0
[  611.754211][ T9623]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  611.754235][ T9623]  do_syscall_64+0x15f/0xf80
[  611.754262][ T9623]  ? trace_irq_disable+0x3b/0x140
[  611.754287][ T9623]  ? clear_bhb_loop+0x40/0x90
[  611.754314][ T9623]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  611.754335][ T9623] RIP: 0033:0x7f2caa54da9a
[  611.754354][ T9623] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  611.754371][ T9623] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  611.754394][ T9623] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  611.754409][ T9623] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  611.754424][ T9623] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  611.754438][ T9623] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  611.754452][ T9623] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  611.754483][ T9623]  </TASK>
[  611.754511][ T9623] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  611.880306][ T9628] CPU: 0 UID: 0 PID: 9628 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  611.880384][ T9628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  611.880418][ T9628] Call Trace:
[  611.880441][ T9628]  <TASK>
[  611.880471][ T9628]  dump_stack_lvl+0xe8/0x150
[  611.880573][ T9628]  sysfs_create_dir_ns+0x271/0x2a0
[  611.880661][ T9628]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  611.880757][ T9628]  ? do_raw_spin_unlock+0xf5/0x210
[  611.880834][ T9628]  kobject_add_internal+0x62b/0xd00
[  611.880951][ T9628]  kobject_init_and_add+0x12b/0x1a0
[  611.881053][ T9628]  ? __pfx_kobject_init_and_add+0x10/0x10
[  611.881149][ T9628]  ? __raw_spin_lock_init+0x45/0x100
[  611.881222][ T9628]  ? __init_swait_queue_head+0xa9/0x150
[  611.881319][ T9628]  gfs2_sys_fs_add+0x257/0x480
[  611.881399][ T9628]  ? is_dynamic_key+0x1ac/0x1c0
[  611.881476][ T9628]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  611.881573][ T9628]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  611.881680][ T9628]  gfs2_fill_super+0x13a7/0x21d0
[  611.881795][ T9628]  ? __pfx_gfs2_fill_super+0x10/0x10
[  611.881862][ T9628]  ? sb_set_blocksize+0x155/0x240
[  611.881951][ T9628]  ? setup_bdev_super+0x4c1/0x5b0
[  611.882053][ T9628]  get_tree_bdev_flags+0x431/0x4f0
[  611.882121][ T9628]  ? __pfx_gfs2_fill_super+0x10/0x10
[  611.882176][ T9628]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  611.882236][ T9628]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  611.882317][ T9628]  gfs2_get_tree+0x51/0x1e0
[  611.882381][ T9628]  vfs_get_tree+0x92/0x2a0
[  611.882446][ T9628]  do_new_mount+0x341/0xd30
[  611.882520][ T9628]  ? apparmor_capable+0x126/0x170
[  611.882588][ T9628]  ? __pfx_do_new_mount+0x10/0x10
[  611.882663][ T9628]  ? ns_capable+0x89/0xe0
[  611.882794][ T9628]  ? user_path_at+0xd4/0x160
[  611.882856][ T9628]  __se_sys_mount+0x31d/0x420
[  611.882952][ T9628]  ? __pfx___se_sys_mount+0x10/0x10
[  611.883037][ T9628]  ? __x64_sys_mount+0x20/0xc0
[  611.883112][ T9628]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  611.883176][ T9628]  do_syscall_64+0x15f/0xf80
[  611.883252][ T9628]  ? trace_irq_disable+0x3b/0x140
[  611.883317][ T9628]  ? clear_bhb_loop+0x40/0x90
[  611.883383][ T9628]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  611.883444][ T9628] RIP: 0033:0x7f2caa54da9a
[  611.883498][ T9628] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
executing program
[  611.883550][ T9628] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  611.883604][ T9628] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  611.883654][ T9628] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  611.883689][ T9628] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  611.883734][ T9628] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  611.883746][ T9628] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  611.883781][ T9628]  </TASK>
executing program
[  611.894538][ T9628] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  611.897096][ T9623] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  611.920918][ T9628] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
executing program
[  613.875145][ T9649] loop2: detected capacity change from 0 to 32768
[  613.904993][ T9649] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  613.920224][ T9648] loop3: detected capacity change from 0 to 32768
[  613.937999][ T9650] loop0: detected capacity change from 0 to 32768
[  613.957094][ T9650] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  613.962613][ T9649] CPU: 0 UID: 0 PID: 9649 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  613.962699][ T9649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  613.962732][ T9649] Call Trace:
[  613.962755][ T9649]  <TASK>
[  613.962787][ T9649]  dump_stack_lvl+0xe8/0x150
[  613.962915][ T9649]  sysfs_create_dir_ns+0x271/0x2a0
[  613.963013][ T9649]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  613.963101][ T9649]  ? do_raw_spin_unlock+0xf5/0x210
[  613.963179][ T9649]  kobject_add_internal+0x62b/0xd00
[  613.963289][ T9649]  kobject_init_and_add+0x12b/0x1a0
[  613.963396][ T9649]  ? __pfx_kobject_init_and_add+0x10/0x10
[  613.963488][ T9649]  ? __raw_spin_lock_init+0x45/0x100
[  613.963574][ T9649]  ? __init_swait_queue_head+0xa9/0x150
[  613.963645][ T9649]  gfs2_sys_fs_add+0x257/0x480
[  613.963712][ T9649]  ? is_dynamic_key+0x1ac/0x1c0
[  613.963789][ T9649]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  613.963888][ T9649]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  613.963997][ T9649]  gfs2_fill_super+0x13a7/0x21d0
[  613.964097][ T9649]  ? __pfx_gfs2_fill_super+0x10/0x10
[  613.964165][ T9649]  ? sb_set_blocksize+0x155/0x240
[  613.964251][ T9649]  ? setup_bdev_super+0x4c1/0x5b0
[  613.964318][ T9649]  get_tree_bdev_flags+0x431/0x4f0
[  613.964389][ T9649]  ? __pfx_gfs2_fill_super+0x10/0x10
[  613.964444][ T9649]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  613.964499][ T9649]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  613.964606][ T9649]  gfs2_get_tree+0x51/0x1e0
[  613.964671][ T9649]  vfs_get_tree+0x92/0x2a0
[  613.964712][ T9649]  do_new_mount+0x341/0xd30
[  613.964738][ T9649]  ? apparmor_capable+0x126/0x170
[  613.964763][ T9649]  ? __pfx_do_new_mount+0x10/0x10
[  613.964791][ T9649]  ? ns_capable+0x89/0xe0
[  613.964849][ T9649]  ? user_path_at+0xd4/0x160
[  613.964939][ T9649]  __se_sys_mount+0x31d/0x420
[  613.965044][ T9649]  ? __pfx___se_sys_mount+0x10/0x10
[  613.965134][ T9649]  ? __x64_sys_mount+0x20/0xc0
[  613.965210][ T9649]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  613.965280][ T9649]  do_syscall_64+0x15f/0xf80
[  613.965357][ T9649]  ? trace_irq_disable+0x3b/0x140
[  613.965423][ T9649]  ? clear_bhb_loop+0x40/0x90
[  613.965497][ T9649]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  613.965563][ T9649] RIP: 0033:0x7f2caa54da9a
[  613.965618][ T9649] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  613.965663][ T9649] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  613.965720][ T9649] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  613.965757][ T9649] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  613.965800][ T9649] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  613.965835][ T9649] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  613.965869][ T9649] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  613.965956][ T9649]  </TASK>
[  613.986082][ T9649] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  614.087631][ T9650] CPU: 1 UID: 0 PID: 9650 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  614.087711][ T9650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  614.087755][ T9650] Call Trace:
[  614.087778][ T9650]  <TASK>
[  614.087801][ T9650]  dump_stack_lvl+0xe8/0x150
[  614.087909][ T9650]  sysfs_create_dir_ns+0x271/0x2a0
[  614.088008][ T9650]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  614.088096][ T9650]  ? do_raw_spin_unlock+0xf5/0x210
[  614.088173][ T9650]  kobject_add_internal+0x62b/0xd00
[  614.088283][ T9650]  kobject_init_and_add+0x12b/0x1a0
[  614.088396][ T9650]  ? __pfx_kobject_init_and_add+0x10/0x10
[  614.088491][ T9650]  ? __raw_spin_lock_init+0x45/0x100
[  614.088566][ T9650]  ? __init_swait_queue_head+0xa9/0x150
[  614.088629][ T9650]  gfs2_sys_fs_add+0x257/0x480
[  614.088702][ T9650]  ? is_dynamic_key+0x1ac/0x1c0
[  614.088778][ T9650]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  614.088904][ T9650]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  614.089004][ T9650]  gfs2_fill_super+0x13a7/0x21d0
[  614.089111][ T9650]  ? __pfx_gfs2_fill_super+0x10/0x10
[  614.089184][ T9650]  ? sb_set_blocksize+0x155/0x240
[  614.089255][ T9650]  ? setup_bdev_super+0x4c1/0x5b0
[  614.089282][ T9650]  get_tree_bdev_flags+0x431/0x4f0
[  614.089377][ T9650]  ? __pfx_gfs2_fill_super+0x10/0x10
[  614.089456][ T9650]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  614.089521][ T9650]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  614.089602][ T9650]  gfs2_get_tree+0x51/0x1e0
[  614.089663][ T9650]  vfs_get_tree+0x92/0x2a0
[  614.089742][ T9650]  do_new_mount+0x341/0xd30
[  614.089817][ T9650]  ? apparmor_capable+0x126/0x170
[  614.089905][ T9650]  ? __pfx_do_new_mount+0x10/0x10
[  614.089981][ T9650]  ? ns_capable+0x89/0xe0
[  614.090083][ T9650]  ? user_path_at+0xd4/0x160
[  614.090146][ T9650]  __se_sys_mount+0x31d/0x420
[  614.090241][ T9650]  ? __pfx___se_sys_mount+0x10/0x10
[  614.090331][ T9650]  ? __x64_sys_mount+0x20/0xc0
[  614.090400][ T9650]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  614.090464][ T9650]  do_syscall_64+0x15f/0xf80
[  614.090538][ T9650]  ? trace_irq_disable+0x3b/0x140
[  614.090609][ T9650]  ? clear_bhb_loop+0x40/0x90
[  614.090674][ T9650]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  614.090736][ T9650] RIP: 0033:0x7f2caa54da9a
[  614.090804][ T9650] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  614.090864][ T9650] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  614.090928][ T9650] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  614.090970][ T9650] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  614.091011][ T9650] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  614.091046][ T9650] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  614.091080][ T9650] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  614.091166][ T9650]  </TASK>
[  614.091674][ T9650] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  614.142125][ T9648] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  614.216499][ T9650] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  614.300544][ T9648] CPU: 0 UID: 0 PID: 9648 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  614.300610][ T9648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  614.300637][ T9648] Call Trace:
[  614.300660][ T9648]  <TASK>
[  614.300676][ T9648]  dump_stack_lvl+0xe8/0x150
[  614.300788][ T9648]  sysfs_create_dir_ns+0x271/0x2a0
[  614.300878][ T9648]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  614.300991][ T9648]  ? do_raw_spin_unlock+0xf5/0x210
[  614.301077][ T9648]  kobject_add_internal+0x62b/0xd00
[  614.301186][ T9648]  kobject_init_and_add+0x12b/0x1a0
[  614.301284][ T9648]  ? __pfx_kobject_init_and_add+0x10/0x10
[  614.301371][ T9648]  ? __raw_spin_lock_init+0x45/0x100
[  614.301438][ T9648]  ? __init_swait_queue_head+0xa9/0x150
[  614.301533][ T9648]  gfs2_sys_fs_add+0x257/0x480
[  614.301609][ T9648]  ? is_dynamic_key+0x1ac/0x1c0
[  614.301687][ T9648]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  614.301787][ T9648]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  614.301887][ T9648]  gfs2_fill_super+0x13a7/0x21d0
[  614.301996][ T9648]  ? __pfx_gfs2_fill_super+0x10/0x10
[  614.302063][ T9648]  ? sb_set_blocksize+0x155/0x240
[  614.302153][ T9648]  ? setup_bdev_super+0x4c1/0x5b0
[  614.302220][ T9648]  get_tree_bdev_flags+0x431/0x4f0
[  614.302279][ T9648]  ? __pfx_gfs2_fill_super+0x10/0x10
[  614.302340][ T9648]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  614.302397][ T9648]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  614.302444][ T9648]  gfs2_get_tree+0x51/0x1e0
[  614.302468][ T9648]  vfs_get_tree+0x92/0x2a0
[  614.302525][ T9648]  do_new_mount+0x341/0xd30
[  614.302635][ T9648]  ? apparmor_capable+0x126/0x170
[  614.302719][ T9648]  ? __pfx_do_new_mount+0x10/0x10
[  614.302806][ T9648]  ? ns_capable+0x89/0xe0
[  614.302917][ T9648]  ? user_path_at+0xd4/0x160
[  614.302974][ T9648]  __se_sys_mount+0x31d/0x420
[  614.303070][ T9648]  ? __pfx___se_sys_mount+0x10/0x10
[  614.303160][ T9648]  ? __x64_sys_mount+0x20/0xc0
[  614.303235][ T9648]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  614.303299][ T9648]  do_syscall_64+0x15f/0xf80
[  614.303371][ T9648]  ? trace_irq_disable+0x3b/0x140
[  614.303438][ T9648]  ? clear_bhb_loop+0x40/0x90
[  614.303505][ T9648]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  614.303554][ T9648] RIP: 0033:0x7f2caa54da9a
[  614.303610][ T9648] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  614.303663][ T9648] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  614.303720][ T9648] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  614.303772][ T9648] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  614.303807][ T9648] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  614.303849][ T9648] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  614.303876][ T9648] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  614.303972][ T9648]  </TASK>
[  614.309704][ T9648] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  614.333759][ T9649] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  614.606175][ T9648] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[  615.070031][ T9653] loop4: detected capacity change from 0 to 32768
[  615.259678][ T9653] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  615.268034][ T9653] CPU: 1 UID: 0 PID: 9653 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  615.268065][ T9653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  615.268079][ T9653] Call Trace:
[  615.268088][ T9653]  <TASK>
[  615.268097][ T9653]  dump_stack_lvl+0xe8/0x150
[  615.268136][ T9653]  sysfs_create_dir_ns+0x271/0x2a0
[  615.268171][ T9653]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  615.268204][ T9653]  ? do_raw_spin_unlock+0xf5/0x210
[  615.268234][ T9653]  kobject_add_internal+0x62b/0xd00
[  615.268275][ T9653]  kobject_init_and_add+0x12b/0x1a0
[  615.268313][ T9653]  ? __pfx_kobject_init_and_add+0x10/0x10
[  615.268346][ T9653]  ? __raw_spin_lock_init+0x45/0x100
[  615.268381][ T9653]  ? __init_swait_queue_head+0xa9/0x150
[  615.268410][ T9653]  gfs2_sys_fs_add+0x257/0x480
[  615.268436][ T9653]  ? is_dynamic_key+0x1ac/0x1c0
[  615.268466][ T9653]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  615.268503][ T9653]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  615.268542][ T9653]  gfs2_fill_super+0x13a7/0x21d0
[  615.268579][ T9653]  ? __pfx_gfs2_fill_super+0x10/0x10
[  615.268605][ T9653]  ? sb_set_blocksize+0x155/0x240
[  615.268640][ T9653]  ? setup_bdev_super+0x4c1/0x5b0
[  615.268666][ T9653]  get_tree_bdev_flags+0x431/0x4f0
[  615.268690][ T9653]  ? __pfx_gfs2_fill_super+0x10/0x10
[  615.268711][ T9653]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  615.268732][ T9653]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  615.268765][ T9653]  gfs2_get_tree+0x51/0x1e0
[  615.268789][ T9653]  vfs_get_tree+0x92/0x2a0
[  615.268815][ T9653]  do_new_mount+0x341/0xd30
[  615.268846][ T9653]  ? apparmor_capable+0x126/0x170
[  615.268873][ T9653]  ? __pfx_do_new_mount+0x10/0x10
[  615.268901][ T9653]  ? ns_capable+0x89/0xe0
[  615.268942][ T9653]  ? user_path_at+0xd4/0x160
[  615.268965][ T9653]  __se_sys_mount+0x31d/0x420
[  615.269000][ T9653]  ? __pfx___se_sys_mount+0x10/0x10
[  615.269036][ T9653]  ? __x64_sys_mount+0x20/0xc0
[  615.269065][ T9653]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  615.269088][ T9653]  do_syscall_64+0x15f/0xf80
[  615.269114][ T9653]  ? trace_irq_disable+0x3b/0x140
[  615.269140][ T9653]  ? clear_bhb_loop+0x40/0x90
[  615.269165][ T9653]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  615.269186][ T9653] RIP: 0033:0x7f2caa54da9a
[  615.269206][ T9653] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  615.269224][ T9653] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  615.269247][ T9653] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  615.269263][ T9653] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  615.269278][ T9653] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  615.269291][ T9653] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  615.269304][ T9653] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  615.269337][ T9653]  </TASK>
[  615.269394][ T9653] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
executing program
executing program
[  616.122831][ T9653] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[  617.033723][ T9670] loop2: detected capacity change from 0 to 32768
[  617.070530][ T9670] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  617.116117][ T9675] loop3: detected capacity change from 0 to 32768
[  617.129537][ T9670] CPU: 1 UID: 0 PID: 9670 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  617.129567][ T9670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  617.129581][ T9670] Call Trace:
[  617.129589][ T9670]  <TASK>
[  617.129598][ T9670]  dump_stack_lvl+0xe8/0x150
[  617.129634][ T9670]  sysfs_create_dir_ns+0x271/0x2a0
[  617.129667][ T9670]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  617.129699][ T9670]  ? do_raw_spin_unlock+0xf5/0x210
[  617.129728][ T9670]  kobject_add_internal+0x62b/0xd00
[  617.129768][ T9670]  kobject_init_and_add+0x12b/0x1a0
[  617.129805][ T9670]  ? __pfx_kobject_init_and_add+0x10/0x10
[  617.129837][ T9670]  ? __raw_spin_lock_init+0x45/0x100
[  617.129862][ T9670]  ? __init_swait_queue_head+0xa9/0x150
[  617.129888][ T9670]  gfs2_sys_fs_add+0x257/0x480
[  617.129913][ T9670]  ? is_dynamic_key+0x1ac/0x1c0
[  617.129941][ T9670]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  617.129976][ T9670]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  617.130013][ T9670]  gfs2_fill_super+0x13a7/0x21d0
[  617.130050][ T9670]  ? __pfx_gfs2_fill_super+0x10/0x10
[  617.130076][ T9670]  ? sb_set_blocksize+0x155/0x240
[  617.130108][ T9670]  ? setup_bdev_super+0x4c1/0x5b0
[  617.130134][ T9670]  get_tree_bdev_flags+0x431/0x4f0
[  617.130157][ T9670]  ? __pfx_gfs2_fill_super+0x10/0x10
[  617.130177][ T9670]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  617.130197][ T9670]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  617.130229][ T9670]  gfs2_get_tree+0x51/0x1e0
[  617.130253][ T9670]  vfs_get_tree+0x92/0x2a0
[  617.130279][ T9670]  do_new_mount+0x341/0xd30
[  617.130311][ T9670]  ? apparmor_capable+0x126/0x170
[  617.130336][ T9670]  ? __pfx_do_new_mount+0x10/0x10
[  617.130364][ T9670]  ? ns_capable+0x89/0xe0
[  617.130405][ T9670]  ? user_path_at+0xd4/0x160
[  617.130429][ T9670]  __se_sys_mount+0x31d/0x420
[  617.130466][ T9670]  ? __pfx___se_sys_mount+0x10/0x10
[  617.130503][ T9670]  ? __x64_sys_mount+0x20/0xc0
[  617.130537][ T9670]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  617.130558][ T9670]  do_syscall_64+0x15f/0xf80
[  617.130591][ T9670]  ? trace_irq_disable+0x3b/0x140
[  617.130615][ T9670]  ? clear_bhb_loop+0x40/0x90
[  617.130641][ T9670]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  617.130662][ T9670] RIP: 0033:0x7f2caa54da9a
[  617.130682][ T9670] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  617.130700][ T9670] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  617.130723][ T9670] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  617.130738][ T9670] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  617.130752][ T9670] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  617.130767][ T9670] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  617.130780][ T9670] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  617.130812][ T9670]  </TASK>
[  617.202853][ T9675] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  617.410665][ T9670] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  617.499159][ T9680] loop0: detected capacity change from 0 to 32768
[  617.507230][ T9670] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  617.570112][ T9675] CPU: 0 UID: 0 PID: 9675 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  617.570143][ T9675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  617.570167][ T9675] Call Trace:
[  617.570176][ T9675]  <TASK>
[  617.570185][ T9675]  dump_stack_lvl+0xe8/0x150
[  617.570223][ T9675]  sysfs_create_dir_ns+0x271/0x2a0
[  617.570258][ T9675]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  617.570291][ T9675]  ? do_raw_spin_unlock+0xf5/0x210
[  617.570324][ T9675]  kobject_add_internal+0x62b/0xd00
[  617.570365][ T9675]  kobject_init_and_add+0x12b/0x1a0
[  617.570403][ T9675]  ? __pfx_kobject_init_and_add+0x10/0x10
[  617.570437][ T9675]  ? __raw_spin_lock_init+0x45/0x100
[  617.570463][ T9675]  ? __init_swait_queue_head+0xa9/0x150
[  617.570491][ T9675]  gfs2_sys_fs_add+0x257/0x480
[  617.570518][ T9675]  ? is_dynamic_key+0x1ac/0x1c0
[  617.570547][ T9675]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  617.570583][ T9675]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  617.570622][ T9675]  gfs2_fill_super+0x13a7/0x21d0
[  617.570660][ T9675]  ? __pfx_gfs2_fill_super+0x10/0x10
[  617.570687][ T9675]  ? sb_set_blocksize+0x155/0x240
[  617.570721][ T9675]  ? setup_bdev_super+0x4c1/0x5b0
[  617.570749][ T9675]  get_tree_bdev_flags+0x431/0x4f0
[  617.570772][ T9675]  ? __pfx_gfs2_fill_super+0x10/0x10
[  617.570792][ T9675]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  617.570811][ T9675]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  617.570842][ T9675]  gfs2_get_tree+0x51/0x1e0
[  617.570865][ T9675]  vfs_get_tree+0x92/0x2a0
[  617.570889][ T9675]  do_new_mount+0x341/0xd30
[  617.570916][ T9675]  ? apparmor_capable+0x126/0x170
[  617.570943][ T9675]  ? __pfx_do_new_mount+0x10/0x10
[  617.570971][ T9675]  ? ns_capable+0x89/0xe0
[  617.571011][ T9675]  ? user_path_at+0xd4/0x160
[  617.571033][ T9675]  __se_sys_mount+0x31d/0x420
[  617.571068][ T9675]  ? __pfx___se_sys_mount+0x10/0x10
[  617.571104][ T9675]  ? __x64_sys_mount+0x20/0xc0
[  617.571132][ T9675]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  617.571165][ T9675]  do_syscall_64+0x15f/0xf80
[  617.571192][ T9675]  ? trace_irq_disable+0x3b/0x140
[  617.571217][ T9675]  ? clear_bhb_loop+0x40/0x90
[  617.571242][ T9675]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  617.571263][ T9675] RIP: 0033:0x7f2caa54da9a
[  617.571282][ T9675] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  617.571299][ T9675] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  617.571322][ T9675] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  617.571337][ T9675] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  617.571352][ T9675] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  617.571366][ T9675] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  617.571379][ T9675] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  617.571409][ T9675]  </TASK>
[  617.867571][ T9675] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  617.949094][ T9675] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  618.031641][ T9690] loop4: detected capacity change from 0 to 32768
[  618.064359][ T9680] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  618.072063][ T9680] CPU: 0 UID: 0 PID: 9680 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  618.072092][ T9680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  618.072105][ T9680] Call Trace:
[  618.072116][ T9680]  <TASK>
[  618.072125][ T9680]  dump_stack_lvl+0xe8/0x150
[  618.072158][ T9680]  sysfs_create_dir_ns+0x271/0x2a0
[  618.072198][ T9680]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  618.072230][ T9680]  ? do_raw_spin_unlock+0xf5/0x210
[  618.072259][ T9680]  kobject_add_internal+0x62b/0xd00
[  618.072300][ T9680]  kobject_init_and_add+0x12b/0x1a0
[  618.072337][ T9680]  ? __pfx_kobject_init_and_add+0x10/0x10
[  618.072369][ T9680]  ? __raw_spin_lock_init+0x45/0x100
[  618.072395][ T9680]  ? __init_swait_queue_head+0xa9/0x150
[  618.072421][ T9680]  gfs2_sys_fs_add+0x257/0x480
[  618.072447][ T9680]  ? is_dynamic_key+0x1ac/0x1c0
[  618.072476][ T9680]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  618.072510][ T9680]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  618.072549][ T9680]  gfs2_fill_super+0x13a7/0x21d0
[  618.072587][ T9680]  ? __pfx_gfs2_fill_super+0x10/0x10
[  618.072608][ T9680]  ? sb_set_blocksize+0x155/0x240
[  618.072636][ T9680]  ? setup_bdev_super+0x4c1/0x5b0
[  618.072659][ T9680]  get_tree_bdev_flags+0x431/0x4f0
[  618.072679][ T9680]  ? __pfx_gfs2_fill_super+0x10/0x10
[  618.072695][ T9680]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  618.072713][ T9680]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  618.072742][ T9680]  gfs2_get_tree+0x51/0x1e0
[  618.072762][ T9680]  vfs_get_tree+0x92/0x2a0
[  618.072783][ T9680]  do_new_mount+0x341/0xd30
[  618.072806][ T9680]  ? apparmor_capable+0x126/0x170
[  618.072830][ T9680]  ? __pfx_do_new_mount+0x10/0x10
[  618.072854][ T9680]  ? ns_capable+0x89/0xe0
[  618.072890][ T9680]  ? user_path_at+0xd4/0x160
[  618.072909][ T9680]  __se_sys_mount+0x31d/0x420
[  618.072940][ T9680]  ? __pfx___se_sys_mount+0x10/0x10
[  618.072971][ T9680]  ? __x64_sys_mount+0x20/0xc0
[  618.072995][ T9680]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  618.073014][ T9680]  do_syscall_64+0x15f/0xf80
[  618.073038][ T9680]  ? trace_irq_disable+0x3b/0x140
[  618.073061][ T9680]  ? clear_bhb_loop+0x40/0x90
[  618.073083][ T9680]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  618.073103][ T9680] RIP: 0033:0x7f2caa54da9a
[  618.073121][ T9680] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  618.073136][ T9680] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  618.073157][ T9680] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  618.073182][ T9680] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  618.073195][ T9680] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  618.073206][ T9680] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  618.073218][ T9680] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  618.073245][ T9680]  </TASK>
[  618.073277][ T9680] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  618.129626][ T9690] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  618.130843][ T9680] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  618.172530][ T9690] CPU: 1 UID: 0 PID: 9690 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  618.172642][ T9690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  618.172684][ T9690] Call Trace:
[  618.172709][ T9690]  <TASK>
[  618.172739][ T9690]  dump_stack_lvl+0xe8/0x150
[  618.172878][ T9690]  sysfs_create_dir_ns+0x271/0x2a0
[  618.172974][ T9690]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  618.173062][ T9690]  ? do_raw_spin_unlock+0xf5/0x210
[  618.173142][ T9690]  kobject_add_internal+0x62b/0xd00
[  618.173270][ T9690]  kobject_init_and_add+0x12b/0x1a0
[  618.173371][ T9690]  ? __pfx_kobject_init_and_add+0x10/0x10
[  618.173445][ T9690]  ? __raw_spin_lock_init+0x45/0x100
[  618.173522][ T9690]  ? __init_swait_queue_head+0xa9/0x150
[  618.173601][ T9690]  gfs2_sys_fs_add+0x257/0x480
[  618.173682][ T9690]  ? is_dynamic_key+0x1ac/0x1c0
[  618.173752][ T9690]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  618.173851][ T9690]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  618.173977][ T9690]  gfs2_fill_super+0x13a7/0x21d0
[  618.174093][ T9690]  ? __pfx_gfs2_fill_super+0x10/0x10
[  618.174171][ T9690]  ? sb_set_blocksize+0x155/0x240
[  618.174267][ T9690]  ? setup_bdev_super+0x4c1/0x5b0
[  618.174342][ T9690]  get_tree_bdev_flags+0x431/0x4f0
[  618.174411][ T9690]  ? __pfx_gfs2_fill_super+0x10/0x10
[  618.174467][ T9690]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  618.174523][ T9690]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  618.174612][ T9690]  gfs2_get_tree+0x51/0x1e0
[  618.174678][ T9690]  vfs_get_tree+0x92/0x2a0
[  618.174745][ T9690]  do_new_mount+0x341/0xd30
[  618.174821][ T9690]  ? apparmor_capable+0x126/0x170
[  618.174890][ T9690]  ? __pfx_do_new_mount+0x10/0x10
[  618.174959][ T9690]  ? ns_capable+0x89/0xe0
[  618.175067][ T9690]  ? user_path_at+0xd4/0x160
[  618.175124][ T9690]  __se_sys_mount+0x31d/0x420
[  618.175234][ T9690]  ? __pfx___se_sys_mount+0x10/0x10
[  618.175331][ T9690]  ? __x64_sys_mount+0x20/0xc0
[  618.175432][ T9690]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  618.175513][ T9690]  do_syscall_64+0x15f/0xf80
[  618.175589][ T9690]  ? trace_irq_disable+0x3b/0x140
[  618.175656][ T9690]  ? clear_bhb_loop+0x40/0x90
[  618.175724][ T9690]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  618.175779][ T9690] RIP: 0033:0x7f2caa54da9a
[  618.175836][ T9690] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  618.175901][ T9690] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  618.175964][ T9690] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  618.176006][ T9690] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  618.176042][ T9690] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  618.176086][ T9690] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
executing program
[  618.176120][ T9690] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  618.176249][ T9690]  </TASK>
[  618.199057][ T9690] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
executing program
executing program
[  619.343886][ T9704] loop3: detected capacity change from 0 to 32768
[  619.352056][ T9690] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  619.416677][ T9704] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  619.472133][ T9704] CPU: 1 UID: 0 PID: 9704 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  619.472163][ T9704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  619.472177][ T9704] Call Trace:
[  619.472187][ T9704]  <TASK>
[  619.472196][ T9704]  dump_stack_lvl+0xe8/0x150
[  619.472236][ T9704]  sysfs_create_dir_ns+0x271/0x2a0
[  619.472272][ T9704]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  619.472305][ T9704]  ? do_raw_spin_unlock+0xf5/0x210
[  619.472336][ T9704]  kobject_add_internal+0x62b/0xd00
[  619.472378][ T9704]  kobject_init_and_add+0x12b/0x1a0
[  619.472416][ T9704]  ? __pfx_kobject_init_and_add+0x10/0x10
[  619.472449][ T9704]  ? __raw_spin_lock_init+0x45/0x100
[  619.472475][ T9704]  ? __init_swait_queue_head+0xa9/0x150
[  619.472504][ T9704]  gfs2_sys_fs_add+0x257/0x480
[  619.472530][ T9704]  ? is_dynamic_key+0x1ac/0x1c0
[  619.472561][ T9704]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  619.472597][ T9704]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  619.472636][ T9704]  gfs2_fill_super+0x13a7/0x21d0
[  619.472674][ T9704]  ? __pfx_gfs2_fill_super+0x10/0x10
[  619.472701][ T9704]  ? sb_set_blocksize+0x155/0x240
[  619.472735][ T9704]  ? setup_bdev_super+0x4c1/0x5b0
[  619.472762][ T9704]  get_tree_bdev_flags+0x431/0x4f0
[  619.472787][ T9704]  ? __pfx_gfs2_fill_super+0x10/0x10
[  619.472807][ T9704]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  619.472828][ T9704]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  619.472863][ T9704]  gfs2_get_tree+0x51/0x1e0
[  619.472888][ T9704]  vfs_get_tree+0x92/0x2a0
[  619.472913][ T9704]  do_new_mount+0x341/0xd30
[  619.473018][ T9704]  ? apparmor_capable+0x126/0x170
[  619.473047][ T9704]  ? __pfx_do_new_mount+0x10/0x10
[  619.473076][ T9704]  ? ns_capable+0x89/0xe0
[  619.473117][ T9704]  ? user_path_at+0xd4/0x160
[  619.473139][ T9704]  __se_sys_mount+0x31d/0x420
[  619.473177][ T9704]  ? __pfx___se_sys_mount+0x10/0x10
[  619.473210][ T9704]  ? __x64_sys_mount+0x20/0xc0
[  619.473239][ T9704]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  619.473262][ T9704]  do_syscall_64+0x15f/0xf80
[  619.473290][ T9704]  ? trace_irq_disable+0x3b/0x140
[  619.473315][ T9704]  ? clear_bhb_loop+0x40/0x90
[  619.473341][ T9704]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  619.473362][ T9704] RIP: 0033:0x7f2caa54da9a
[  619.473383][ T9704] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  619.473400][ T9704] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  619.473423][ T9704] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  619.473438][ T9704] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  619.473453][ T9704] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  619.473467][ T9704] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  619.473480][ T9704] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  619.473511][ T9704]  </TASK>
[  619.473541][ T9704] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
[  620.201083][ T9704] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[  620.860851][ T9706] loop0: detected capacity change from 0 to 32768
[  620.890215][ T9706] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  620.916887][ T9706] CPU: 1 UID: 0 PID: 9706 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  620.916917][ T9706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  620.916931][ T9706] Call Trace:
[  620.916940][ T9706]  <TASK>
[  620.916948][ T9706]  dump_stack_lvl+0xe8/0x150
[  620.916985][ T9706]  sysfs_create_dir_ns+0x271/0x2a0
[  620.917021][ T9706]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  620.917054][ T9706]  ? do_raw_spin_unlock+0xf5/0x210
[  620.917084][ T9706]  kobject_add_internal+0x62b/0xd00
[  620.917126][ T9706]  kobject_init_and_add+0x12b/0x1a0
[  620.917162][ T9706]  ? __pfx_kobject_init_and_add+0x10/0x10
[  620.917195][ T9706]  ? __raw_spin_lock_init+0x45/0x100
[  620.917221][ T9706]  ? __init_swait_queue_head+0xa9/0x150
[  620.917248][ T9706]  gfs2_sys_fs_add+0x257/0x480
[  620.917274][ T9706]  ? is_dynamic_key+0x1ac/0x1c0
[  620.917304][ T9706]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  620.917339][ T9706]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  620.917379][ T9706]  gfs2_fill_super+0x13a7/0x21d0
[  620.917416][ T9706]  ? __pfx_gfs2_fill_super+0x10/0x10
[  620.917442][ T9706]  ? sb_set_blocksize+0x155/0x240
[  620.917476][ T9706]  ? setup_bdev_super+0x4c1/0x5b0
[  620.917503][ T9706]  get_tree_bdev_flags+0x431/0x4f0
[  620.917527][ T9706]  ? __pfx_gfs2_fill_super+0x10/0x10
[  620.917548][ T9706]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  620.917569][ T9706]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  620.917602][ T9706]  gfs2_get_tree+0x51/0x1e0
[  620.917627][ T9706]  vfs_get_tree+0x92/0x2a0
[  620.917652][ T9706]  do_new_mount+0x341/0xd30
[  620.917679][ T9706]  ? apparmor_capable+0x126/0x170
[  620.917705][ T9706]  ? __pfx_do_new_mount+0x10/0x10
[  620.917732][ T9706]  ? ns_capable+0x89/0xe0
[  620.917772][ T9706]  ? user_path_at+0xd4/0x160
[  620.917816][ T9706]  __se_sys_mount+0x31d/0x420
[  620.917852][ T9706]  ? __pfx___se_sys_mount+0x10/0x10
[  620.917888][ T9706]  ? __x64_sys_mount+0x20/0xc0
[  620.917916][ T9706]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  620.917939][ T9706]  do_syscall_64+0x15f/0xf80
[  620.917965][ T9706]  ? trace_irq_disable+0x3b/0x140
[  620.917990][ T9706]  ? clear_bhb_loop+0x40/0x90
[  620.918015][ T9706]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  620.918036][ T9706] RIP: 0033:0x7f2caa54da9a
[  620.918056][ T9706] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  620.918072][ T9706] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  620.918093][ T9706] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  620.918108][ T9706] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  620.918123][ T9706] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  620.918136][ T9706] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  620.918149][ T9706] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  620.918186][ T9706]  </TASK>
executing program
[  620.918226][ T9706] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  621.462963][ T9716] loop2: detected capacity change from 0 to 32768
executing program
[  621.529246][ T9716] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  621.534202][ T9706] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  621.601488][ T9716] CPU: 0 UID: 0 PID: 9716 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  621.601526][ T9716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  621.601540][ T9716] Call Trace:
[  621.601549][ T9716]  <TASK>
[  621.601558][ T9716]  dump_stack_lvl+0xe8/0x150
[  621.601597][ T9716]  sysfs_create_dir_ns+0x271/0x2a0
[  621.601633][ T9716]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  621.601665][ T9716]  ? do_raw_spin_unlock+0xf5/0x210
[  621.601694][ T9716]  kobject_add_internal+0x62b/0xd00
[  621.601749][ T9716]  kobject_init_and_add+0x12b/0x1a0
[  621.601787][ T9716]  ? __pfx_kobject_init_and_add+0x10/0x10
[  621.601821][ T9716]  ? __raw_spin_lock_init+0x45/0x100
[  621.601847][ T9716]  ? __init_swait_queue_head+0xa9/0x150
[  621.601874][ T9716]  gfs2_sys_fs_add+0x257/0x480
[  621.601895][ T9716]  ? is_dynamic_key+0x1ac/0x1c0
[  621.601920][ T9716]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  621.601948][ T9716]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  621.601978][ T9716]  gfs2_fill_super+0x13a7/0x21d0
[  621.602009][ T9716]  ? __pfx_gfs2_fill_super+0x10/0x10
[  621.602029][ T9716]  ? sb_set_blocksize+0x155/0x240
[  621.602056][ T9716]  ? setup_bdev_super+0x4c1/0x5b0
[  621.602078][ T9716]  get_tree_bdev_flags+0x431/0x4f0
[  621.602097][ T9716]  ? __pfx_gfs2_fill_super+0x10/0x10
[  621.602113][ T9716]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  621.602129][ T9716]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  621.602155][ T9716]  gfs2_get_tree+0x51/0x1e0
[  621.602174][ T9716]  vfs_get_tree+0x92/0x2a0
[  621.602194][ T9716]  do_new_mount+0x341/0xd30
[  621.602217][ T9716]  ? apparmor_capable+0x126/0x170
[  621.602238][ T9716]  ? __pfx_do_new_mount+0x10/0x10
[  621.602261][ T9716]  ? ns_capable+0x89/0xe0
[  621.602294][ T9716]  ? user_path_at+0xd4/0x160
[  621.602311][ T9716]  __se_sys_mount+0x31d/0x420
[  621.602340][ T9716]  ? __pfx___se_sys_mount+0x10/0x10
[  621.602368][ T9716]  ? __x64_sys_mount+0x20/0xc0
[  621.602391][ T9716]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  621.602409][ T9716]  do_syscall_64+0x15f/0xf80
[  621.602432][ T9716]  ? trace_irq_disable+0x3b/0x140
[  621.602452][ T9716]  ? clear_bhb_loop+0x40/0x90
[  621.602473][ T9716]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  621.602490][ T9716] RIP: 0033:0x7f2caa54da9a
[  621.602506][ T9716] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  621.602520][ T9716] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  621.602538][ T9716] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  621.602551][ T9716] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  621.602562][ T9716] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  621.602574][ T9716] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  621.602584][ T9716] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  621.602609][ T9716]  </TASK>
[  621.602639][ T9716] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
[  621.980424][ T9716] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  622.147873][ T9722] loop4: detected capacity change from 0 to 32768
[  622.180624][ T9722] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  622.202995][ T9722] CPU: 0 UID: 0 PID: 9722 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  622.203027][ T9722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  622.203041][ T9722] Call Trace:
[  622.203050][ T9722]  <TASK>
[  622.203059][ T9722]  dump_stack_lvl+0xe8/0x150
[  622.203097][ T9722]  sysfs_create_dir_ns+0x271/0x2a0
[  622.203132][ T9722]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  622.203165][ T9722]  ? do_raw_spin_unlock+0xf5/0x210
[  622.203195][ T9722]  kobject_add_internal+0x62b/0xd00
[  622.203238][ T9722]  kobject_init_and_add+0x12b/0x1a0
[  622.203276][ T9722]  ? __pfx_kobject_init_and_add+0x10/0x10
[  622.203310][ T9722]  ? __raw_spin_lock_init+0x45/0x100
[  622.203336][ T9722]  ? __init_swait_queue_head+0xa9/0x150
[  622.203364][ T9722]  gfs2_sys_fs_add+0x257/0x480
[  622.203391][ T9722]  ? is_dynamic_key+0x1ac/0x1c0
[  622.203420][ T9722]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  622.203456][ T9722]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  622.203496][ T9722]  gfs2_fill_super+0x13a7/0x21d0
[  622.203534][ T9722]  ? __pfx_gfs2_fill_super+0x10/0x10
[  622.203559][ T9722]  ? sb_set_blocksize+0x155/0x240
[  622.203593][ T9722]  ? setup_bdev_super+0x4c1/0x5b0
[  622.203639][ T9722]  get_tree_bdev_flags+0x431/0x4f0
[  622.203664][ T9722]  ? __pfx_gfs2_fill_super+0x10/0x10
[  622.203684][ T9722]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  622.203705][ T9722]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  622.203770][ T9722]  gfs2_get_tree+0x51/0x1e0
[  622.203796][ T9722]  vfs_get_tree+0x92/0x2a0
[  622.203822][ T9722]  do_new_mount+0x341/0xd30
[  622.203849][ T9722]  ? apparmor_capable+0x126/0x170
[  622.203876][ T9722]  ? __pfx_do_new_mount+0x10/0x10
[  622.203905][ T9722]  ? ns_capable+0x89/0xe0
[  622.203947][ T9722]  ? user_path_at+0xd4/0x160
[  622.203976][ T9722]  __se_sys_mount+0x31d/0x420
[  622.204012][ T9722]  ? __pfx___se_sys_mount+0x10/0x10
[  622.204047][ T9722]  ? __x64_sys_mount+0x20/0xc0
[  622.204075][ T9722]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  622.204097][ T9722]  do_syscall_64+0x15f/0xf80
[  622.204127][ T9722]  ? trace_irq_disable+0x3b/0x140
[  622.204151][ T9722]  ? clear_bhb_loop+0x40/0x90
[  622.204176][ T9722]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  622.204197][ T9722] RIP: 0033:0x7f2caa54da9a
[  622.204217][ T9722] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  622.204240][ T9722] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  622.204263][ T9722] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  622.204278][ T9722] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  622.204292][ T9722] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  622.204305][ T9722] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  622.204318][ T9722] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  622.204348][ T9722]  </TASK>
[  622.204376][ T9722] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  622.723380][ T9724] loop3: detected capacity change from 0 to 32768
[  622.819135][ T9724] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  622.839263][ T9722] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  622.859032][ T9724] CPU: 0 UID: 0 PID: 9724 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  622.859063][ T9724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  622.859078][ T9724] Call Trace:
[  622.859087][ T9724]  <TASK>
[  622.859097][ T9724]  dump_stack_lvl+0xe8/0x150
[  622.859135][ T9724]  sysfs_create_dir_ns+0x271/0x2a0
[  622.859171][ T9724]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  622.859204][ T9724]  ? do_raw_spin_unlock+0xf5/0x210
[  622.859234][ T9724]  kobject_add_internal+0x62b/0xd00
[  622.859277][ T9724]  kobject_init_and_add+0x12b/0x1a0
[  622.859316][ T9724]  ? __pfx_kobject_init_and_add+0x10/0x10
[  622.859350][ T9724]  ? __raw_spin_lock_init+0x45/0x100
[  622.859403][ T9724]  ? __init_swait_queue_head+0xa9/0x150
[  622.859431][ T9724]  gfs2_sys_fs_add+0x257/0x480
[  622.859458][ T9724]  ? is_dynamic_key+0x1ac/0x1c0
[  622.859488][ T9724]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  622.859525][ T9724]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  622.859563][ T9724]  gfs2_fill_super+0x13a7/0x21d0
[  622.859603][ T9724]  ? __pfx_gfs2_fill_super+0x10/0x10
[  622.859629][ T9724]  ? sb_set_blocksize+0x155/0x240
[  622.859663][ T9724]  ? setup_bdev_super+0x4c1/0x5b0
[  622.859689][ T9724]  get_tree_bdev_flags+0x431/0x4f0
[  622.859714][ T9724]  ? __pfx_gfs2_fill_super+0x10/0x10
[  622.859735][ T9724]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  622.859756][ T9724]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  622.859790][ T9724]  gfs2_get_tree+0x51/0x1e0
[  622.859815][ T9724]  vfs_get_tree+0x92/0x2a0
[  622.859841][ T9724]  do_new_mount+0x341/0xd30
[  622.859868][ T9724]  ? apparmor_capable+0x126/0x170
[  622.859895][ T9724]  ? __pfx_do_new_mount+0x10/0x10
[  622.859930][ T9724]  ? ns_capable+0x89/0xe0
[  622.859972][ T9724]  ? user_path_at+0xd4/0x160
[  622.859995][ T9724]  __se_sys_mount+0x31d/0x420
[  622.860035][ T9724]  ? __pfx___se_sys_mount+0x10/0x10
[  622.860071][ T9724]  ? __x64_sys_mount+0x20/0xc0
[  622.860099][ T9724]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  622.860123][ T9724]  do_syscall_64+0x15f/0xf80
[  622.860149][ T9724]  ? trace_irq_disable+0x3b/0x140
[  622.860173][ T9724]  ? clear_bhb_loop+0x40/0x90
[  622.860200][ T9724]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  622.860221][ T9724] RIP: 0033:0x7f2caa54da9a
[  622.860241][ T9724] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  622.860258][ T9724] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  622.860280][ T9724] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  622.860296][ T9724] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  622.860310][ T9724] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  622.860323][ T9724] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  622.860335][ T9724] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  622.860366][ T9724]  </TASK>
[  623.162498][ T9724] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  623.222547][ T9724] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
[  623.386169][ T9735] loop0: detected capacity change from 0 to 32768
[  623.443874][ T9735] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  623.451488][ T9735] CPU: 0 UID: 0 PID: 9735 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  623.451517][ T9735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  623.451531][ T9735] Call Trace:
[  623.451540][ T9735]  <TASK>
[  623.451549][ T9735]  dump_stack_lvl+0xe8/0x150
[  623.451587][ T9735]  sysfs_create_dir_ns+0x271/0x2a0
[  623.451621][ T9735]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  623.451654][ T9735]  ? do_raw_spin_unlock+0xf5/0x210
[  623.451684][ T9735]  kobject_add_internal+0x62b/0xd00
[  623.451727][ T9735]  kobject_init_and_add+0x12b/0x1a0
[  623.451765][ T9735]  ? __pfx_kobject_init_and_add+0x10/0x10
[  623.451804][ T9735]  ? __raw_spin_lock_init+0x45/0x100
[  623.451830][ T9735]  ? __init_swait_queue_head+0xa9/0x150
[  623.451858][ T9735]  gfs2_sys_fs_add+0x257/0x480
[  623.451884][ T9735]  ? is_dynamic_key+0x1ac/0x1c0
[  623.451913][ T9735]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  623.451950][ T9735]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  623.451989][ T9735]  gfs2_fill_super+0x13a7/0x21d0
[  623.452027][ T9735]  ? __pfx_gfs2_fill_super+0x10/0x10
[  623.452054][ T9735]  ? sb_set_blocksize+0x155/0x240
[  623.452088][ T9735]  ? setup_bdev_super+0x4c1/0x5b0
[  623.452114][ T9735]  get_tree_bdev_flags+0x431/0x4f0
[  623.452138][ T9735]  ? __pfx_gfs2_fill_super+0x10/0x10
[  623.452159][ T9735]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  623.452180][ T9735]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  623.452213][ T9735]  gfs2_get_tree+0x51/0x1e0
[  623.452238][ T9735]  vfs_get_tree+0x92/0x2a0
[  623.452264][ T9735]  do_new_mount+0x341/0xd30
[  623.452291][ T9735]  ? apparmor_capable+0x126/0x170
[  623.452318][ T9735]  ? __pfx_do_new_mount+0x10/0x10
[  623.452373][ T9735]  ? ns_capable+0x89/0xe0
[  623.452412][ T9735]  ? user_path_at+0xd4/0x160
[  623.452456][ T9735]  __se_sys_mount+0x31d/0x420
[  623.452513][ T9735]  ? __pfx___se_sys_mount+0x10/0x10
[  623.452549][ T9735]  ? __x64_sys_mount+0x20/0xc0
[  623.452577][ T9735]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  623.452610][ T9735]  do_syscall_64+0x15f/0xf80
[  623.452648][ T9735]  ? trace_irq_disable+0x3b/0x140
[  623.452674][ T9735]  ? clear_bhb_loop+0x40/0x90
[  623.452712][ T9735]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  623.452729][ T9735] RIP: 0033:0x7f2caa54da9a
[  623.452746][ T9735] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  623.452765][ T9735] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  623.452806][ T9735] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  623.452818][ T9735] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  623.452834][ T9735] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  623.452850][ T9735] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  623.452861][ T9735] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  623.452897][ T9735]  </TASK>
[  623.452934][ T9735] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  623.809186][ T9738] loop2: detected capacity change from 0 to 32768
[  623.916656][ T9738] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  623.936759][ T9738] CPU: 1 UID: 0 PID: 9738 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  623.936796][ T9738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  623.936812][ T9738] Call Trace:
[  623.936822][ T9738]  <TASK>
[  623.936834][ T9738]  dump_stack_lvl+0xe8/0x150
[  623.936883][ T9738]  sysfs_create_dir_ns+0x271/0x2a0
[  623.936922][ T9738]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  623.936958][ T9738]  ? do_raw_spin_unlock+0xf5/0x210
[  623.936990][ T9738]  kobject_add_internal+0x62b/0xd00
[  623.937037][ T9738]  kobject_init_and_add+0x12b/0x1a0
[  623.937079][ T9738]  ? __pfx_kobject_init_and_add+0x10/0x10
[  623.937115][ T9738]  ? __raw_spin_lock_init+0x45/0x100
[  623.937145][ T9738]  ? __init_swait_queue_head+0xa9/0x150
[  623.937175][ T9738]  gfs2_sys_fs_add+0x257/0x480
[  623.937204][ T9738]  ? is_dynamic_key+0x1ac/0x1c0
[  623.937237][ T9738]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  623.937276][ T9738]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  623.937319][ T9738]  gfs2_fill_super+0x13a7/0x21d0
[  623.937361][ T9738]  ? __pfx_gfs2_fill_super+0x10/0x10
[  623.937390][ T9738]  ? sb_set_blocksize+0x155/0x240
[  623.937426][ T9738]  ? setup_bdev_super+0x4c1/0x5b0
[  623.937456][ T9738]  get_tree_bdev_flags+0x431/0x4f0
[  623.937575][ T9738]  ? __pfx_gfs2_fill_super+0x10/0x10
[  623.937597][ T9738]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  623.937621][ T9738]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  623.937657][ T9738]  gfs2_get_tree+0x51/0x1e0
[  623.937684][ T9738]  vfs_get_tree+0x92/0x2a0
[  623.937712][ T9738]  do_new_mount+0x341/0xd30
[  623.937739][ T9738]  ? apparmor_capable+0x126/0x170
[  623.937768][ T9738]  ? __pfx_do_new_mount+0x10/0x10
[  623.937799][ T9738]  ? ns_capable+0x89/0xe0
[  623.937844][ T9738]  ? user_path_at+0xd4/0x160
[  623.937868][ T9738]  __se_sys_mount+0x31d/0x420
[  623.937905][ T9738]  ? __pfx___se_sys_mount+0x10/0x10
[  623.937945][ T9738]  ? __x64_sys_mount+0x20/0xc0
[  623.937975][ T9738]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  623.938001][ T9738]  do_syscall_64+0x15f/0xf80
[  623.938032][ T9738]  ? trace_irq_disable+0x3b/0x140
[  623.938065][ T9738]  ? clear_bhb_loop+0x40/0x90
[  623.938094][ T9738]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  623.938117][ T9738] RIP: 0033:0x7f2caa54da9a
[  623.938139][ T9738] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  623.938158][ T9738] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  623.938184][ T9738] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  623.938200][ T9738] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  623.938216][ T9738] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  623.938232][ T9738] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  623.938247][ T9738] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  623.938280][ T9738]  </TASK>
[  624.036318][ T9738] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  624.151575][ T9735] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[  624.411324][ T9738] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
[  625.096663][ T1315] ieee802154 phy0 wpan0: encryption failed: -22
[  625.103273][ T1315] ieee802154 phy1 wpan1: encryption failed: -22
[  625.271288][ T9743] loop3: detected capacity change from 0 to 32768
[  625.322215][ T9743] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  625.356758][ T9743] CPU: 1 UID: 0 PID: 9743 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  625.356789][ T9743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  625.356803][ T9743] Call Trace:
[  625.356811][ T9743]  <TASK>
[  625.356821][ T9743]  dump_stack_lvl+0xe8/0x150
[  625.356858][ T9743]  sysfs_create_dir_ns+0x271/0x2a0
[  625.356893][ T9743]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  625.356926][ T9743]  ? do_raw_spin_unlock+0xf5/0x210
[  625.356955][ T9743]  kobject_add_internal+0x62b/0xd00
[  625.356998][ T9743]  kobject_init_and_add+0x12b/0x1a0
[  625.357036][ T9743]  ? __pfx_kobject_init_and_add+0x10/0x10
[  625.357070][ T9743]  ? __raw_spin_lock_init+0x45/0x100
[  625.357096][ T9743]  ? __init_swait_queue_head+0xa9/0x150
[  625.357123][ T9743]  gfs2_sys_fs_add+0x257/0x480
[  625.357149][ T9743]  ? is_dynamic_key+0x1ac/0x1c0
[  625.357179][ T9743]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  625.357215][ T9743]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  625.357254][ T9743]  gfs2_fill_super+0x13a7/0x21d0
[  625.357292][ T9743]  ? __pfx_gfs2_fill_super+0x10/0x10
[  625.357318][ T9743]  ? sb_set_blocksize+0x155/0x240
[  625.357352][ T9743]  ? setup_bdev_super+0x4c1/0x5b0
[  625.357380][ T9743]  get_tree_bdev_flags+0x431/0x4f0
[  625.357404][ T9743]  ? __pfx_gfs2_fill_super+0x10/0x10
[  625.357424][ T9743]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  625.357443][ T9743]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  625.357476][ T9743]  gfs2_get_tree+0x51/0x1e0
[  625.357499][ T9743]  vfs_get_tree+0x92/0x2a0
[  625.357524][ T9743]  do_new_mount+0x341/0xd30
[  625.357551][ T9743]  ? apparmor_capable+0x126/0x170
[  625.357586][ T9743]  ? __pfx_do_new_mount+0x10/0x10
[  625.357614][ T9743]  ? ns_capable+0x89/0xe0
[  625.357655][ T9743]  ? user_path_at+0xd4/0x160
[  625.357677][ T9743]  __se_sys_mount+0x31d/0x420
[  625.357712][ T9743]  ? __pfx___se_sys_mount+0x10/0x10
[  625.357748][ T9743]  ? __x64_sys_mount+0x20/0xc0
[  625.357775][ T9743]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  625.357803][ T9743]  do_syscall_64+0x15f/0xf80
[  625.357829][ T9743]  ? trace_irq_disable+0x3b/0x140
[  625.357855][ T9743]  ? clear_bhb_loop+0x40/0x90
[  625.357881][ T9743]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  625.357901][ T9743] RIP: 0033:0x7f2caa54da9a
[  625.357920][ T9743] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  625.357937][ T9743] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  625.357960][ T9743] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  625.357975][ T9743] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  625.357989][ T9743] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  625.358003][ T9743] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  625.358016][ T9743] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  625.358047][ T9743]  </TASK>
[  625.648647][ T9743] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  625.662929][ T9743] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  625.806884][ T9750] loop4: detected capacity change from 0 to 32768
[  625.940845][ T9750] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  625.948309][ T9750] CPU: 1 UID: 0 PID: 9750 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  625.948337][ T9750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  625.948352][ T9750] Call Trace:
[  625.948361][ T9750]  <TASK>
[  625.948370][ T9750]  dump_stack_lvl+0xe8/0x150
[  625.948407][ T9750]  sysfs_create_dir_ns+0x271/0x2a0
[  625.948442][ T9750]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  625.948475][ T9750]  ? do_raw_spin_unlock+0xf5/0x210
[  625.948504][ T9750]  kobject_add_internal+0x62b/0xd00
[  625.948554][ T9750]  kobject_init_and_add+0x12b/0x1a0
[  625.948592][ T9750]  ? __pfx_kobject_init_and_add+0x10/0x10
[  625.948625][ T9750]  ? __raw_spin_lock_init+0x45/0x100
[  625.948651][ T9750]  ? __init_swait_queue_head+0xa9/0x150
[  625.948677][ T9750]  gfs2_sys_fs_add+0x257/0x480
[  625.948703][ T9750]  ? is_dynamic_key+0x1ac/0x1c0
[  625.948733][ T9750]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  625.948770][ T9750]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  625.948809][ T9750]  gfs2_fill_super+0x13a7/0x21d0
[  625.948847][ T9750]  ? __pfx_gfs2_fill_super+0x10/0x10
[  625.948873][ T9750]  ? sb_set_blocksize+0x155/0x240
[  625.948905][ T9750]  ? setup_bdev_super+0x4c1/0x5b0
[  625.948931][ T9750]  get_tree_bdev_flags+0x431/0x4f0
[  625.948955][ T9750]  ? __pfx_gfs2_fill_super+0x10/0x10
[  625.948976][ T9750]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  625.948997][ T9750]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  625.949031][ T9750]  gfs2_get_tree+0x51/0x1e0
[  625.949056][ T9750]  vfs_get_tree+0x92/0x2a0
[  625.949082][ T9750]  do_new_mount+0x341/0xd30
[  625.949110][ T9750]  ? apparmor_capable+0x126/0x170
[  625.949138][ T9750]  ? __pfx_do_new_mount+0x10/0x10
[  625.949166][ T9750]  ? ns_capable+0x89/0xe0
[  625.949208][ T9750]  ? user_path_at+0xd4/0x160
[  625.949231][ T9750]  __se_sys_mount+0x31d/0x420
[  625.949266][ T9750]  ? __pfx___se_sys_mount+0x10/0x10
[  625.949303][ T9750]  ? __x64_sys_mount+0x20/0xc0
[  625.949330][ T9750]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  625.949354][ T9750]  do_syscall_64+0x15f/0xf80
[  625.949381][ T9750]  ? trace_irq_disable+0x3b/0x140
[  625.949407][ T9750]  ? clear_bhb_loop+0x40/0x90
[  625.949434][ T9750]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  625.949455][ T9750] RIP: 0033:0x7f2caa54da9a
[  625.949475][ T9750] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  625.949493][ T9750] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  625.949515][ T9750] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  625.949538][ T9750] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  625.949553][ T9750] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  625.949566][ T9750] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
executing program
[  625.949580][ T9750] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  625.949610][ T9750]  </TASK>
[  625.949636][ T9750] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
[  626.694296][ T9753] loop2: detected capacity change from 0 to 32768
[  626.722710][ T9753] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  626.760199][ T9753] CPU: 0 UID: 0 PID: 9753 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  626.760230][ T9753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  626.760243][ T9753] Call Trace:
[  626.760252][ T9753]  <TASK>
[  626.760262][ T9753]  dump_stack_lvl+0xe8/0x150
[  626.760304][ T9753]  sysfs_create_dir_ns+0x271/0x2a0
[  626.760337][ T9753]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  626.760368][ T9753]  ? do_raw_spin_unlock+0xf5/0x210
[  626.760397][ T9753]  kobject_add_internal+0x62b/0xd00
[  626.760447][ T9753]  kobject_init_and_add+0x12b/0x1a0
[  626.760483][ T9753]  ? __pfx_kobject_init_and_add+0x10/0x10
[  626.760517][ T9753]  ? __raw_spin_lock_init+0x45/0x100
[  626.760542][ T9753]  ? __init_swait_queue_head+0xa9/0x150
[  626.760570][ T9753]  gfs2_sys_fs_add+0x257/0x480
[  626.760596][ T9753]  ? is_dynamic_key+0x1ac/0x1c0
[  626.760625][ T9753]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  626.760661][ T9753]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  626.760700][ T9753]  gfs2_fill_super+0x13a7/0x21d0
[  626.760738][ T9753]  ? __pfx_gfs2_fill_super+0x10/0x10
[  626.760764][ T9753]  ? sb_set_blocksize+0x155/0x240
[  626.760797][ T9753]  ? setup_bdev_super+0x4c1/0x5b0
[  626.760825][ T9753]  get_tree_bdev_flags+0x431/0x4f0
[  626.760849][ T9753]  ? __pfx_gfs2_fill_super+0x10/0x10
[  626.760869][ T9753]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  626.760889][ T9753]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  626.760921][ T9753]  gfs2_get_tree+0x51/0x1e0
[  626.760945][ T9753]  vfs_get_tree+0x92/0x2a0
[  626.760969][ T9753]  do_new_mount+0x341/0xd30
[  626.760997][ T9753]  ? apparmor_capable+0x126/0x170
[  626.761024][ T9753]  ? __pfx_do_new_mount+0x10/0x10
[  626.761052][ T9753]  ? ns_capable+0x89/0xe0
[  626.761093][ T9753]  ? user_path_at+0xd4/0x160
[  626.761115][ T9753]  __se_sys_mount+0x31d/0x420
[  626.761151][ T9753]  ? __pfx___se_sys_mount+0x10/0x10
[  626.761187][ T9753]  ? __x64_sys_mount+0x20/0xc0
[  626.761216][ T9753]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  626.761239][ T9753]  do_syscall_64+0x15f/0xf80
[  626.761271][ T9753]  ? trace_irq_disable+0x3b/0x140
[  626.761298][ T9753]  ? clear_bhb_loop+0x40/0x90
[  626.761324][ T9753]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  626.761344][ T9753] RIP: 0033:0x7f2caa54da9a
[  626.761364][ T9753] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  626.761382][ T9753] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  626.761403][ T9753] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  626.761419][ T9753] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  626.761441][ T9753] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  626.761455][ T9753] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  626.761469][ T9753] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  626.761500][ T9753]  </TASK>
[  626.780578][ T9750] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  626.823186][ T9755] loop0: detected capacity change from 0 to 32768
[  626.862465][ T9753] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  626.953498][ T9755] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  627.288635][ T9753] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  627.373429][ T9755] CPU: 1 UID: 0 PID: 9755 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  627.373460][ T9755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  627.373474][ T9755] Call Trace:
[  627.373483][ T9755]  <TASK>
[  627.373492][ T9755]  dump_stack_lvl+0xe8/0x150
[  627.373528][ T9755]  sysfs_create_dir_ns+0x271/0x2a0
[  627.373564][ T9755]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  627.373595][ T9755]  ? do_raw_spin_unlock+0xf5/0x210
[  627.373623][ T9755]  kobject_add_internal+0x62b/0xd00
[  627.373663][ T9755]  kobject_init_and_add+0x12b/0x1a0
[  627.373700][ T9755]  ? __pfx_kobject_init_and_add+0x10/0x10
[  627.373733][ T9755]  ? __raw_spin_lock_init+0x45/0x100
[  627.373759][ T9755]  ? __init_swait_queue_head+0xa9/0x150
[  627.373786][ T9755]  gfs2_sys_fs_add+0x257/0x480
[  627.373810][ T9755]  ? is_dynamic_key+0x1ac/0x1c0
[  627.373841][ T9755]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  627.373876][ T9755]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  627.373911][ T9755]  gfs2_fill_super+0x13a7/0x21d0
[  627.373948][ T9755]  ? __pfx_gfs2_fill_super+0x10/0x10
[  627.373973][ T9755]  ? sb_set_blocksize+0x155/0x240
[  627.374006][ T9755]  ? setup_bdev_super+0x4c1/0x5b0
[  627.374033][ T9755]  get_tree_bdev_flags+0x431/0x4f0
[  627.374057][ T9755]  ? __pfx_gfs2_fill_super+0x10/0x10
[  627.374077][ T9755]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  627.374098][ T9755]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  627.374132][ T9755]  gfs2_get_tree+0x51/0x1e0
[  627.374166][ T9755]  vfs_get_tree+0x92/0x2a0
[  627.374191][ T9755]  do_new_mount+0x341/0xd30
[  627.374218][ T9755]  ? apparmor_capable+0x126/0x170
[  627.374245][ T9755]  ? __pfx_do_new_mount+0x10/0x10
[  627.374273][ T9755]  ? ns_capable+0x89/0xe0
[  627.374313][ T9755]  ? user_path_at+0xd4/0x160
[  627.374336][ T9755]  __se_sys_mount+0x31d/0x420
[  627.374372][ T9755]  ? __pfx___se_sys_mount+0x10/0x10
[  627.374409][ T9755]  ? __x64_sys_mount+0x20/0xc0
[  627.374437][ T9755]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  627.374461][ T9755]  do_syscall_64+0x15f/0xf80
[  627.374488][ T9755]  ? trace_irq_disable+0x3b/0x140
[  627.374514][ T9755]  ? clear_bhb_loop+0x40/0x90
[  627.374539][ T9755]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  627.374567][ T9755] RIP: 0033:0x7f2caa54da9a
[  627.374589][ T9755] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  627.374617][ T9755] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  627.374640][ T9755] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  627.374655][ T9755] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  627.374670][ T9755] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  627.374684][ T9755] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  627.374698][ T9755] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  627.374729][ T9755]  </TASK>
[  627.374757][ T9755] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
executing program
[  628.026497][ T9768] loop3: detected capacity change from 0 to 32768
[  628.132515][ T9768] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  628.140753][ T9768] CPU: 0 UID: 0 PID: 9768 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  628.140783][ T9768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  628.140798][ T9768] Call Trace:
[  628.140807][ T9768]  <TASK>
[  628.140816][ T9768]  dump_stack_lvl+0xe8/0x150
[  628.140855][ T9768]  sysfs_create_dir_ns+0x271/0x2a0
[  628.140890][ T9768]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  628.140923][ T9768]  ? do_raw_spin_unlock+0xf5/0x210
[  628.140952][ T9768]  kobject_add_internal+0x62b/0xd00
[  628.140993][ T9768]  kobject_init_and_add+0x12b/0x1a0
[  628.141030][ T9768]  ? __pfx_kobject_init_and_add+0x10/0x10
[  628.141073][ T9768]  ? __raw_spin_lock_init+0x45/0x100
[  628.141099][ T9768]  ? __init_swait_queue_head+0xa9/0x150
[  628.141127][ T9768]  gfs2_sys_fs_add+0x257/0x480
[  628.141153][ T9768]  ? is_dynamic_key+0x1ac/0x1c0
[  628.141183][ T9768]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  628.141219][ T9768]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  628.141258][ T9768]  gfs2_fill_super+0x13a7/0x21d0
[  628.141294][ T9768]  ? __pfx_gfs2_fill_super+0x10/0x10
[  628.141320][ T9768]  ? sb_set_blocksize+0x155/0x240
[  628.141353][ T9768]  ? setup_bdev_super+0x4c1/0x5b0
[  628.141379][ T9768]  get_tree_bdev_flags+0x431/0x4f0
[  628.141412][ T9768]  ? __pfx_gfs2_fill_super+0x10/0x10
[  628.141433][ T9768]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  628.141453][ T9768]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  628.141487][ T9768]  gfs2_get_tree+0x51/0x1e0
[  628.141511][ T9768]  vfs_get_tree+0x92/0x2a0
[  628.141541][ T9768]  do_new_mount+0x341/0xd30
[  628.141568][ T9768]  ? apparmor_capable+0x126/0x170
[  628.141595][ T9768]  ? __pfx_do_new_mount+0x10/0x10
[  628.141624][ T9768]  ? ns_capable+0x89/0xe0
[  628.141665][ T9768]  ? user_path_at+0xd4/0x160
[  628.141688][ T9768]  __se_sys_mount+0x31d/0x420
[  628.141722][ T9768]  ? __pfx___se_sys_mount+0x10/0x10
[  628.141757][ T9768]  ? __x64_sys_mount+0x20/0xc0
[  628.141786][ T9768]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  628.141809][ T9768]  do_syscall_64+0x15f/0xf80
[  628.141835][ T9768]  ? trace_irq_disable+0x3b/0x140
[  628.141861][ T9768]  ? clear_bhb_loop+0x40/0x90
[  628.141886][ T9768]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  628.141908][ T9768] RIP: 0033:0x7f2caa54da9a
[  628.141927][ T9768] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  628.141945][ T9768] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  628.141966][ T9768] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  628.141981][ T9768] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  628.141996][ T9768] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  628.142009][ T9768] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  628.142023][ T9768] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
executing program
[  628.142061][ T9768]  </TASK>
[  628.142561][ T9768] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  628.165461][ T9755] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  628.227051][ T9768] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
[  629.542842][ T9783] loop2: detected capacity change from 0 to 32768
[  629.574747][ T9783] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  629.606254][ T9783] CPU: 1 UID: 0 PID: 9783 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  629.606284][ T9783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  629.606298][ T9783] Call Trace:
[  629.606306][ T9783]  <TASK>
[  629.606316][ T9783]  dump_stack_lvl+0xe8/0x150
[  629.606353][ T9783]  sysfs_create_dir_ns+0x271/0x2a0
[  629.606388][ T9783]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  629.606421][ T9783]  ? do_raw_spin_unlock+0xf5/0x210
[  629.606452][ T9783]  kobject_add_internal+0x62b/0xd00
[  629.606494][ T9783]  kobject_init_and_add+0x12b/0x1a0
[  629.606532][ T9783]  ? __pfx_kobject_init_and_add+0x10/0x10
[  629.606566][ T9783]  ? __raw_spin_lock_init+0x45/0x100
[  629.606592][ T9783]  ? __init_swait_queue_head+0xa9/0x150
[  629.606621][ T9783]  gfs2_sys_fs_add+0x257/0x480
[  629.606647][ T9783]  ? is_dynamic_key+0x1ac/0x1c0
[  629.606676][ T9783]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  629.606712][ T9783]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  629.606752][ T9783]  gfs2_fill_super+0x13a7/0x21d0
[  629.606790][ T9783]  ? __pfx_gfs2_fill_super+0x10/0x10
[  629.606815][ T9783]  ? sb_set_blocksize+0x155/0x240
[  629.606849][ T9783]  ? setup_bdev_super+0x4c1/0x5b0
[  629.606875][ T9783]  get_tree_bdev_flags+0x431/0x4f0
[  629.606900][ T9783]  ? __pfx_gfs2_fill_super+0x10/0x10
[  629.606921][ T9783]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  629.606942][ T9783]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  629.606983][ T9783]  gfs2_get_tree+0x51/0x1e0
[  629.607009][ T9783]  vfs_get_tree+0x92/0x2a0
[  629.607035][ T9783]  do_new_mount+0x341/0xd30
[  629.607063][ T9783]  ? apparmor_capable+0x126/0x170
[  629.607090][ T9783]  ? __pfx_do_new_mount+0x10/0x10
[  629.607119][ T9783]  ? ns_capable+0x89/0xe0
[  629.607166][ T9783]  ? user_path_at+0xd4/0x160
[  629.607188][ T9783]  __se_sys_mount+0x31d/0x420
[  629.607224][ T9783]  ? __pfx___se_sys_mount+0x10/0x10
[  629.607260][ T9783]  ? __x64_sys_mount+0x20/0xc0
[  629.607288][ T9783]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  629.607312][ T9783]  do_syscall_64+0x15f/0xf80
[  629.607339][ T9783]  ? trace_irq_disable+0x3b/0x140
[  629.607365][ T9783]  ? clear_bhb_loop+0x40/0x90
[  629.607391][ T9783]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  629.607412][ T9783] RIP: 0033:0x7f2caa54da9a
[  629.607432][ T9783] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  629.607449][ T9783] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  629.607472][ T9783] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  629.607487][ T9783] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  629.607502][ T9783] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  629.607516][ T9783] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  629.607530][ T9783] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  629.607562][ T9783]  </TASK>
[  629.615531][ T9783] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  629.973438][ T9780] loop4: detected capacity change from 0 to 32768
[  630.134642][ T9788] loop3: detected capacity change from 0 to 32768
[  630.167684][ T9790] loop0: detected capacity change from 0 to 32768
[  630.243305][ T9780] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  630.258476][ T9780] CPU: 0 UID: 0 PID: 9780 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  630.258507][ T9780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  630.258520][ T9780] Call Trace:
[  630.258529][ T9780]  <TASK>
[  630.258538][ T9780]  dump_stack_lvl+0xe8/0x150
[  630.258574][ T9780]  sysfs_create_dir_ns+0x271/0x2a0
[  630.258608][ T9780]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  630.258641][ T9780]  ? do_raw_spin_unlock+0xf5/0x210
[  630.258669][ T9780]  kobject_add_internal+0x62b/0xd00
[  630.258711][ T9780]  kobject_init_and_add+0x12b/0x1a0
[  630.258748][ T9780]  ? __pfx_kobject_init_and_add+0x10/0x10
[  630.258782][ T9780]  ? __raw_spin_lock_init+0x45/0x100
[  630.258808][ T9780]  ? __init_swait_queue_head+0xa9/0x150
[  630.258836][ T9780]  gfs2_sys_fs_add+0x257/0x480
[  630.258863][ T9780]  ? is_dynamic_key+0x1ac/0x1c0
[  630.258892][ T9780]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  630.258928][ T9780]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  630.258966][ T9780]  gfs2_fill_super+0x13a7/0x21d0
[  630.259005][ T9780]  ? __pfx_gfs2_fill_super+0x10/0x10
[  630.259032][ T9780]  ? sb_set_blocksize+0x155/0x240
[  630.259065][ T9780]  ? setup_bdev_super+0x4c1/0x5b0
[  630.259092][ T9780]  get_tree_bdev_flags+0x431/0x4f0
[  630.259126][ T9780]  ? __pfx_gfs2_fill_super+0x10/0x10
[  630.259145][ T9780]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  630.259166][ T9780]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  630.259199][ T9780]  gfs2_get_tree+0x51/0x1e0
[  630.259222][ T9780]  vfs_get_tree+0x92/0x2a0
[  630.259247][ T9780]  do_new_mount+0x341/0xd30
[  630.259275][ T9780]  ? apparmor_capable+0x126/0x170
[  630.259302][ T9780]  ? __pfx_do_new_mount+0x10/0x10
[  630.259330][ T9780]  ? ns_capable+0x89/0xe0
[  630.259372][ T9780]  ? user_path_at+0xd4/0x160
[  630.259394][ T9780]  __se_sys_mount+0x31d/0x420
[  630.259430][ T9780]  ? __pfx___se_sys_mount+0x10/0x10
[  630.259467][ T9780]  ? __x64_sys_mount+0x20/0xc0
[  630.259495][ T9780]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  630.259518][ T9780]  do_syscall_64+0x15f/0xf80
[  630.259546][ T9780]  ? trace_irq_disable+0x3b/0x140
[  630.259571][ T9780]  ? clear_bhb_loop+0x40/0x90
[  630.259597][ T9780]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  630.259619][ T9780] RIP: 0033:0x7f2caa54da9a
[  630.259646][ T9780] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  630.259665][ T9780] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  630.259688][ T9780] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  630.259707][ T9780] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  630.259722][ T9780] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  630.259736][ T9780] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  630.259749][ T9780] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  630.259780][ T9780]  </TASK>
[  630.299418][ T9780] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  630.572242][ T9783] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  630.579234][ T9788] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  630.587496][ T9788] CPU: 0 UID: 0 PID: 9788 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  630.587526][ T9788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  630.587539][ T9788] Call Trace:
[  630.587548][ T9788]  <TASK>
[  630.587557][ T9788]  dump_stack_lvl+0xe8/0x150
[  630.587595][ T9788]  sysfs_create_dir_ns+0x271/0x2a0
[  630.587629][ T9788]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  630.587663][ T9788]  ? do_raw_spin_unlock+0xf5/0x210
[  630.587692][ T9788]  kobject_add_internal+0x62b/0xd00
[  630.587735][ T9788]  kobject_init_and_add+0x12b/0x1a0
[  630.587773][ T9788]  ? __pfx_kobject_init_and_add+0x10/0x10
[  630.587806][ T9788]  ? __raw_spin_lock_init+0x45/0x100
[  630.587832][ T9788]  ? __init_swait_queue_head+0xa9/0x150
[  630.587860][ T9788]  gfs2_sys_fs_add+0x257/0x480
[  630.587887][ T9788]  ? is_dynamic_key+0x1ac/0x1c0
[  630.587917][ T9788]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  630.587953][ T9788]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  630.587993][ T9788]  gfs2_fill_super+0x13a7/0x21d0
[  630.588031][ T9788]  ? __pfx_gfs2_fill_super+0x10/0x10
[  630.588058][ T9788]  ? sb_set_blocksize+0x155/0x240
[  630.588091][ T9788]  ? setup_bdev_super+0x4c1/0x5b0
[  630.588126][ T9788]  get_tree_bdev_flags+0x431/0x4f0
[  630.588150][ T9788]  ? __pfx_gfs2_fill_super+0x10/0x10
[  630.588171][ T9788]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  630.588192][ T9788]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  630.588226][ T9788]  gfs2_get_tree+0x51/0x1e0
[  630.588250][ T9788]  vfs_get_tree+0x92/0x2a0
[  630.588276][ T9788]  do_new_mount+0x341/0xd30
[  630.588303][ T9788]  ? apparmor_capable+0x126/0x170
[  630.588331][ T9788]  ? __pfx_do_new_mount+0x10/0x10
[  630.588360][ T9788]  ? ns_capable+0x89/0xe0
[  630.588401][ T9788]  ? user_path_at+0xd4/0x160
[  630.588423][ T9788]  __se_sys_mount+0x31d/0x420
[  630.588459][ T9788]  ? __pfx___se_sys_mount+0x10/0x10
[  630.588499][ T9788]  ? __x64_sys_mount+0x20/0xc0
[  630.588527][ T9788]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  630.588550][ T9788]  do_syscall_64+0x15f/0xf80
[  630.588585][ T9788]  ? trace_irq_disable+0x3b/0x140
[  630.588610][ T9788]  ? clear_bhb_loop+0x40/0x90
[  630.588637][ T9788]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  630.588658][ T9788] RIP: 0033:0x7f2caa54da9a
[  630.588678][ T9788] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  630.588695][ T9788] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  630.588718][ T9788] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  630.588733][ T9788] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  630.588748][ T9788] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  630.588763][ T9788] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  630.588776][ T9788] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  630.588809][ T9788]  </TASK>
[  630.588848][ T9788] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  630.922715][ T9780] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  630.930920][ T9788] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  630.937766][ T9790] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  630.991255][ T9790] CPU: 1 UID: 0 PID: 9790 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  630.991287][ T9790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  630.991300][ T9790] Call Trace:
[  630.991309][ T9790]  <TASK>
[  630.991319][ T9790]  dump_stack_lvl+0xe8/0x150
[  630.991357][ T9790]  sysfs_create_dir_ns+0x271/0x2a0
[  630.991391][ T9790]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  630.991423][ T9790]  ? do_raw_spin_unlock+0xf5/0x210
[  630.991452][ T9790]  kobject_add_internal+0x62b/0xd00
[  630.991498][ T9790]  kobject_init_and_add+0x12b/0x1a0
[  630.991536][ T9790]  ? __pfx_kobject_init_and_add+0x10/0x10
[  630.991569][ T9790]  ? __raw_spin_lock_init+0x45/0x100
[  630.991599][ T9790]  ? __init_swait_queue_head+0xa9/0x150
[  630.991627][ T9790]  gfs2_sys_fs_add+0x257/0x480
[  630.991662][ T9790]  ? is_dynamic_key+0x1ac/0x1c0
[  630.991692][ T9790]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  630.991727][ T9790]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  630.991765][ T9790]  gfs2_fill_super+0x13a7/0x21d0
[  630.991809][ T9790]  ? __pfx_gfs2_fill_super+0x10/0x10
[  630.991835][ T9790]  ? sb_set_blocksize+0x155/0x240
[  630.991868][ T9790]  ? setup_bdev_super+0x4c1/0x5b0
[  630.991894][ T9790]  get_tree_bdev_flags+0x431/0x4f0
[  630.991918][ T9790]  ? __pfx_gfs2_fill_super+0x10/0x10
[  630.991938][ T9790]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  630.991958][ T9790]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  630.991992][ T9790]  gfs2_get_tree+0x51/0x1e0
[  630.992016][ T9790]  vfs_get_tree+0x92/0x2a0
[  630.992041][ T9790]  do_new_mount+0x341/0xd30
[  630.992069][ T9790]  ? apparmor_capable+0x126/0x170
[  630.992095][ T9790]  ? __pfx_do_new_mount+0x10/0x10
[  630.992124][ T9790]  ? ns_capable+0x89/0xe0
[  630.992163][ T9790]  ? user_path_at+0xd4/0x160
[  630.992186][ T9790]  __se_sys_mount+0x31d/0x420
[  630.992221][ T9790]  ? __pfx___se_sys_mount+0x10/0x10
[  630.992257][ T9790]  ? __x64_sys_mount+0x20/0xc0
[  630.992285][ T9790]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  630.992307][ T9790]  do_syscall_64+0x15f/0xf80
[  630.992334][ T9790]  ? trace_irq_disable+0x3b/0x140
[  630.992360][ T9790]  ? clear_bhb_loop+0x40/0x90
[  630.992386][ T9790]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  630.992407][ T9790] RIP: 0033:0x7f2caa54da9a
[  630.992426][ T9790] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  630.992443][ T9790] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  630.992466][ T9790] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  630.992481][ T9790] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  630.992496][ T9790] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  630.992510][ T9790] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  630.992523][ T9790] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  630.992555][ T9790]  </TASK>
[  631.304929][ T9790] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  631.325020][ T9790] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
executing program
executing program
executing program
[  632.897760][ T9815] loop2: detected capacity change from 0 to 32768
[  632.909164][ T9817] loop0: detected capacity change from 0 to 32768
[  632.932042][ T9817] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  632.941774][ T9815] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  632.952526][ T9817] CPU: 0 UID: 0 PID: 9817 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  632.952557][ T9817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  632.952571][ T9817] Call Trace:
[  632.952580][ T9817]  <TASK>
[  632.952590][ T9817]  dump_stack_lvl+0xe8/0x150
[  632.952628][ T9817]  sysfs_create_dir_ns+0x271/0x2a0
[  632.952663][ T9817]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  632.952697][ T9817]  ? do_raw_spin_unlock+0xf5/0x210
[  632.952727][ T9817]  kobject_add_internal+0x62b/0xd00
[  632.952769][ T9817]  kobject_init_and_add+0x12b/0x1a0
[  632.952806][ T9817]  ? __pfx_kobject_init_and_add+0x10/0x10
[  632.952840][ T9817]  ? __raw_spin_lock_init+0x45/0x100
[  632.952874][ T9817]  ? __init_swait_queue_head+0xa9/0x150
[  632.952902][ T9817]  gfs2_sys_fs_add+0x257/0x480
[  632.952929][ T9817]  ? is_dynamic_key+0x1ac/0x1c0
[  632.952959][ T9817]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  632.952996][ T9817]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  632.953035][ T9817]  gfs2_fill_super+0x13a7/0x21d0
[  632.953073][ T9817]  ? __pfx_gfs2_fill_super+0x10/0x10
[  632.953099][ T9817]  ? sb_set_blocksize+0x155/0x240
[  632.953132][ T9817]  ? setup_bdev_super+0x4c1/0x5b0
[  632.953157][ T9817]  get_tree_bdev_flags+0x431/0x4f0
[  632.953179][ T9817]  ? __pfx_gfs2_fill_super+0x10/0x10
[  632.953199][ T9817]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  632.953220][ T9817]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  632.953254][ T9817]  gfs2_get_tree+0x51/0x1e0
[  632.953279][ T9817]  vfs_get_tree+0x92/0x2a0
[  632.953304][ T9817]  do_new_mount+0x341/0xd30
[  632.953332][ T9817]  ? apparmor_capable+0x126/0x170
[  632.953359][ T9817]  ? __pfx_do_new_mount+0x10/0x10
[  632.953387][ T9817]  ? ns_capable+0x89/0xe0
[  632.953428][ T9817]  ? user_path_at+0xd4/0x160
[  632.953450][ T9817]  __se_sys_mount+0x31d/0x420
[  632.953486][ T9817]  ? __pfx___se_sys_mount+0x10/0x10
[  632.953523][ T9817]  ? __x64_sys_mount+0x20/0xc0
[  632.953550][ T9817]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  632.953574][ T9817]  do_syscall_64+0x15f/0xf80
[  632.953601][ T9817]  ? trace_irq_disable+0x3b/0x140
[  632.953627][ T9817]  ? clear_bhb_loop+0x40/0x90
[  632.953653][ T9817]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  632.953674][ T9817] RIP: 0033:0x7f2caa54da9a
[  632.953695][ T9817] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  632.953714][ T9817] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  632.953736][ T9817] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  632.953752][ T9817] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  632.953767][ T9817] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  632.953781][ T9817] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  632.953795][ T9817] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  632.953828][ T9817]  </TASK>
[  632.953855][ T9817] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  632.961036][ T9815] CPU: 1 UID: 0 PID: 9815 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  632.961128][ T9815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  632.961169][ T9815] Call Trace:
[  632.961191][ T9815]  <TASK>
[  632.961214][ T9815]  dump_stack_lvl+0xe8/0x150
[  632.961310][ T9815]  sysfs_create_dir_ns+0x271/0x2a0
executing program
[  632.961406][ T9815]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  632.961486][ T9815]  ? do_raw_spin_unlock+0xf5/0x210
[  632.961571][ T9815]  kobject_add_internal+0x62b/0xd00
[  632.961752][ T9815]  kobject_init_and_add+0x12b/0x1a0
[  632.961851][ T9815]  ? __pfx_kobject_init_and_add+0x10/0x10
[  632.961931][ T9815]  ? __raw_spin_lock_init+0x45/0x100
[  632.961997][ T9815]  ? __init_swait_queue_head+0xa9/0x150
[  632.962073][ T9815]  gfs2_sys_fs_add+0x257/0x480
[  632.962141][ T9815]  ? is_dynamic_key+0x1ac/0x1c0
[  632.962225][ T9815]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  632.962323][ T9815]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  632.962459][ T9815]  gfs2_fill_super+0x13a7/0x21d0
[  632.962558][ T9815]  ? __pfx_gfs2_fill_super+0x10/0x10
[  632.962630][ T9815]  ? sb_set_blocksize+0x155/0x240
[  632.962718][ T9815]  ? setup_bdev_super+0x4c1/0x5b0
[  632.962784][ T9815]  get_tree_bdev_flags+0x431/0x4f0
[  632.962850][ T9815]  ? __pfx_gfs2_fill_super+0x10/0x10
[  632.962875][ T9815]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  632.962892][ T9815]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  632.962966][ T9815]  gfs2_get_tree+0x51/0x1e0
[  632.963031][ T9815]  vfs_get_tree+0x92/0x2a0
[  632.963099][ T9815]  do_new_mount+0x341/0xd30
[  632.963173][ T9815]  ? apparmor_capable+0x126/0x170
[  632.963240][ T9815]  ? __pfx_do_new_mount+0x10/0x10
[  632.963317][ T9815]  ? ns_capable+0x89/0xe0
[  632.963420][ T9815]  ? user_path_at+0xd4/0x160
[  632.963484][ T9815]  __se_sys_mount+0x31d/0x420
[  632.963574][ T9815]  ? __pfx___se_sys_mount+0x10/0x10
[  632.963650][ T9815]  ? __x64_sys_mount+0x20/0xc0
[  632.963677][ T9815]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  632.963699][ T9815]  do_syscall_64+0x15f/0xf80
[  632.963726][ T9815]  ? trace_irq_disable+0x3b/0x140
[  632.963751][ T9815]  ? clear_bhb_loop+0x40/0x90
[  632.963775][ T9815]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  632.963796][ T9815] RIP: 0033:0x7f2caa54da9a
[  632.963815][ T9815] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  632.963832][ T9815] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  632.963854][ T9815] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  632.963870][ T9815] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  632.963885][ T9815] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  632.963898][ T9815] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  632.963948][ T9815] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  632.964035][ T9815]  </TASK>
[  632.969602][ T9815] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  632.974744][ T9817] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  633.055784][ T9815] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  633.682433][ T9823] loop4: detected capacity change from 0 to 32768
[  633.703690][ T9823] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  633.712224][ T9823] CPU: 1 UID: 0 PID: 9823 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  633.712254][ T9823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  633.712268][ T9823] Call Trace:
[  633.712276][ T9823]  <TASK>
[  633.712286][ T9823]  dump_stack_lvl+0xe8/0x150
[  633.712323][ T9823]  sysfs_create_dir_ns+0x271/0x2a0
[  633.712358][ T9823]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  633.712391][ T9823]  ? do_raw_spin_unlock+0xf5/0x210
[  633.712421][ T9823]  kobject_add_internal+0x62b/0xd00
[  633.712463][ T9823]  kobject_init_and_add+0x12b/0x1a0
[  633.712501][ T9823]  ? __pfx_kobject_init_and_add+0x10/0x10
[  633.712534][ T9823]  ? __raw_spin_lock_init+0x45/0x100
[  633.712572][ T9823]  ? __init_swait_queue_head+0xa9/0x150
[  633.712600][ T9823]  gfs2_sys_fs_add+0x257/0x480
[  633.712626][ T9823]  ? is_dynamic_key+0x1ac/0x1c0
[  633.712656][ T9823]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  633.712692][ T9823]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  633.712730][ T9823]  gfs2_fill_super+0x13a7/0x21d0
[  633.712768][ T9823]  ? __pfx_gfs2_fill_super+0x10/0x10
[  633.712793][ T9823]  ? sb_set_blocksize+0x155/0x240
[  633.712826][ T9823]  ? setup_bdev_super+0x4c1/0x5b0
[  633.712850][ T9823]  get_tree_bdev_flags+0x431/0x4f0
[  633.712869][ T9823]  ? __pfx_gfs2_fill_super+0x10/0x10
[  633.712888][ T9823]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  633.712907][ T9823]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  633.712939][ T9823]  gfs2_get_tree+0x51/0x1e0
[  633.712963][ T9823]  vfs_get_tree+0x92/0x2a0
[  633.712988][ T9823]  do_new_mount+0x341/0xd30
[  633.713014][ T9823]  ? apparmor_capable+0x126/0x170
[  633.713040][ T9823]  ? __pfx_do_new_mount+0x10/0x10
[  633.713068][ T9823]  ? ns_capable+0x89/0xe0
[  633.713115][ T9823]  ? user_path_at+0xd4/0x160
[  633.713137][ T9823]  __se_sys_mount+0x31d/0x420
[  633.713172][ T9823]  ? __pfx___se_sys_mount+0x10/0x10
[  633.713209][ T9823]  ? __x64_sys_mount+0x20/0xc0
[  633.713236][ T9823]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  633.713258][ T9823]  do_syscall_64+0x15f/0xf80
[  633.713286][ T9823]  ? trace_irq_disable+0x3b/0x140
[  633.713311][ T9823]  ? clear_bhb_loop+0x40/0x90
[  633.713334][ T9823]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  633.713351][ T9823] RIP: 0033:0x7f2caa54da9a
[  633.713368][ T9823] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  633.713383][ T9823] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  633.713402][ T9823] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  633.713415][ T9823] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
executing program
[  633.713428][ T9823] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  633.713439][ T9823] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  633.713451][ T9823] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  633.713477][ T9823]  </TASK>
[  633.713519][ T9823] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
[  634.239660][ T9822] loop3: detected capacity change from 0 to 32768
[  634.320801][ T9822] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  634.367774][ T9823] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  634.397671][ T9822] CPU: 0 UID: 0 PID: 9822 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  634.397702][ T9822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  634.397716][ T9822] Call Trace:
[  634.397725][ T9822]  <TASK>
[  634.397735][ T9822]  dump_stack_lvl+0xe8/0x150
[  634.397773][ T9822]  sysfs_create_dir_ns+0x271/0x2a0
[  634.397809][ T9822]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  634.397859][ T9822]  ? do_raw_spin_unlock+0xf5/0x210
[  634.397889][ T9822]  kobject_add_internal+0x62b/0xd00
[  634.397931][ T9822]  kobject_init_and_add+0x12b/0x1a0
[  634.397969][ T9822]  ? __pfx_kobject_init_and_add+0x10/0x10
[  634.398004][ T9822]  ? __raw_spin_lock_init+0x45/0x100
[  634.398030][ T9822]  ? __init_swait_queue_head+0xa9/0x150
[  634.398072][ T9822]  gfs2_sys_fs_add+0x257/0x480
[  634.398100][ T9822]  ? is_dynamic_key+0x1ac/0x1c0
[  634.398128][ T9822]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  634.398161][ T9822]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  634.398198][ T9822]  gfs2_fill_super+0x13a7/0x21d0
[  634.398233][ T9822]  ? __pfx_gfs2_fill_super+0x10/0x10
[  634.398259][ T9822]  ? sb_set_blocksize+0x155/0x240
[  634.398291][ T9822]  ? setup_bdev_super+0x4c1/0x5b0
[  634.398318][ T9822]  get_tree_bdev_flags+0x431/0x4f0
[  634.398342][ T9822]  ? __pfx_gfs2_fill_super+0x10/0x10
[  634.398360][ T9822]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  634.398380][ T9822]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  634.398412][ T9822]  gfs2_get_tree+0x51/0x1e0
[  634.398435][ T9822]  vfs_get_tree+0x92/0x2a0
[  634.398459][ T9822]  do_new_mount+0x341/0xd30
[  634.398485][ T9822]  ? apparmor_capable+0x126/0x170
[  634.398511][ T9822]  ? __pfx_do_new_mount+0x10/0x10
[  634.398539][ T9822]  ? ns_capable+0x89/0xe0
[  634.398577][ T9822]  ? user_path_at+0xd4/0x160
[  634.398599][ T9822]  __se_sys_mount+0x31d/0x420
[  634.398644][ T9822]  ? __pfx___se_sys_mount+0x10/0x10
[  634.398679][ T9822]  ? __x64_sys_mount+0x20/0xc0
[  634.398707][ T9822]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  634.398729][ T9822]  do_syscall_64+0x15f/0xf80
[  634.398755][ T9822]  ? trace_irq_disable+0x3b/0x140
[  634.398780][ T9822]  ? clear_bhb_loop+0x40/0x90
[  634.398804][ T9822]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  634.398824][ T9822] RIP: 0033:0x7f2caa54da9a
[  634.398843][ T9822] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  634.398861][ T9822] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  634.398883][ T9822] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  634.398897][ T9822] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  634.398911][ T9822] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  634.398924][ T9822] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  634.398936][ T9822] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  634.398966][ T9822]  </TASK>
[  634.398994][ T9822] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
[  635.454874][ T9822] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[  635.698333][ T9847] loop4: detected capacity change from 0 to 32768
[  635.728861][ T9847] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  635.773076][ T9847] CPU: 1 UID: 0 PID: 9847 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  635.773108][ T9847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  635.773121][ T9847] Call Trace:
[  635.773130][ T9847]  <TASK>
[  635.773141][ T9847]  dump_stack_lvl+0xe8/0x150
[  635.773178][ T9847]  sysfs_create_dir_ns+0x271/0x2a0
[  635.773213][ T9847]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  635.773254][ T9847]  ? do_raw_spin_unlock+0xf5/0x210
[  635.773284][ T9847]  kobject_add_internal+0x62b/0xd00
[  635.773327][ T9847]  kobject_init_and_add+0x12b/0x1a0
[  635.773364][ T9847]  ? __pfx_kobject_init_and_add+0x10/0x10
[  635.773396][ T9847]  ? __raw_spin_lock_init+0x45/0x100
[  635.773422][ T9847]  ? __init_swait_queue_head+0xa9/0x150
[  635.773450][ T9847]  gfs2_sys_fs_add+0x257/0x480
[  635.773477][ T9847]  ? is_dynamic_key+0x1ac/0x1c0
[  635.773507][ T9847]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  635.773544][ T9847]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  635.773583][ T9847]  gfs2_fill_super+0x13a7/0x21d0
[  635.773621][ T9847]  ? __pfx_gfs2_fill_super+0x10/0x10
[  635.773647][ T9847]  ? sb_set_blocksize+0x155/0x240
[  635.773679][ T9847]  ? setup_bdev_super+0x4c1/0x5b0
[  635.773706][ T9847]  get_tree_bdev_flags+0x431/0x4f0
[  635.773730][ T9847]  ? __pfx_gfs2_fill_super+0x10/0x10
[  635.773750][ T9847]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  635.773771][ T9847]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  635.773806][ T9847]  gfs2_get_tree+0x51/0x1e0
[  635.773830][ T9847]  vfs_get_tree+0x92/0x2a0
[  635.773856][ T9847]  do_new_mount+0x341/0xd30
[  635.773882][ T9847]  ? apparmor_capable+0x126/0x170
[  635.773910][ T9847]  ? __pfx_do_new_mount+0x10/0x10
[  635.773938][ T9847]  ? ns_capable+0x89/0xe0
[  635.773978][ T9847]  ? user_path_at+0xd4/0x160
[  635.774001][ T9847]  __se_sys_mount+0x31d/0x420
[  635.774037][ T9847]  ? __pfx___se_sys_mount+0x10/0x10
[  635.774073][ T9847]  ? __x64_sys_mount+0x20/0xc0
[  635.774100][ T9847]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  635.774124][ T9847]  do_syscall_64+0x15f/0xf80
[  635.774151][ T9847]  ? trace_irq_disable+0x3b/0x140
[  635.774177][ T9847]  ? clear_bhb_loop+0x40/0x90
[  635.774204][ T9847]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  635.774224][ T9847] RIP: 0033:0x7f2caa54da9a
[  635.774252][ T9847] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  635.774270][ T9847] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  635.774294][ T9847] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  635.774309][ T9847] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  635.774325][ T9847] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  635.774339][ T9847] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  635.774352][ T9847] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  635.774385][ T9847]  </TASK>
[  635.840525][ T9847] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
[  636.151860][ T9840] loop2: detected capacity change from 0 to 32768
[  636.160777][ T9837] loop0: detected capacity change from 0 to 32768
[  636.206772][ T9840] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  636.217756][ T9837] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  636.236723][ T9840] CPU: 0 UID: 0 PID: 9840 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  636.236754][ T9840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  636.236768][ T9840] Call Trace:
[  636.236776][ T9840]  <TASK>
[  636.236786][ T9840]  dump_stack_lvl+0xe8/0x150
[  636.236824][ T9840]  sysfs_create_dir_ns+0x271/0x2a0
[  636.236859][ T9840]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  636.236890][ T9840]  ? do_raw_spin_unlock+0xf5/0x210
[  636.236920][ T9840]  kobject_add_internal+0x62b/0xd00
[  636.236985][ T9840]  kobject_init_and_add+0x12b/0x1a0
[  636.237022][ T9840]  ? __pfx_kobject_init_and_add+0x10/0x10
[  636.237072][ T9840]  ? __raw_spin_lock_init+0x45/0x100
[  636.237098][ T9840]  ? __init_swait_queue_head+0xa9/0x150
[  636.237126][ T9840]  gfs2_sys_fs_add+0x257/0x480
[  636.237152][ T9840]  ? is_dynamic_key+0x1ac/0x1c0
[  636.237182][ T9840]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  636.237217][ T9840]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  636.237255][ T9840]  gfs2_fill_super+0x13a7/0x21d0
[  636.237292][ T9840]  ? __pfx_gfs2_fill_super+0x10/0x10
[  636.237318][ T9840]  ? sb_set_blocksize+0x155/0x240
[  636.237351][ T9840]  ? setup_bdev_super+0x4c1/0x5b0
[  636.237378][ T9840]  get_tree_bdev_flags+0x431/0x4f0
[  636.237402][ T9840]  ? __pfx_gfs2_fill_super+0x10/0x10
[  636.237422][ T9840]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  636.237448][ T9840]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  636.237483][ T9840]  gfs2_get_tree+0x51/0x1e0
[  636.237506][ T9840]  vfs_get_tree+0x92/0x2a0
[  636.237531][ T9840]  do_new_mount+0x341/0xd30
[  636.237558][ T9840]  ? apparmor_capable+0x126/0x170
[  636.237584][ T9840]  ? __pfx_do_new_mount+0x10/0x10
[  636.237613][ T9840]  ? ns_capable+0x89/0xe0
[  636.237653][ T9840]  ? user_path_at+0xd4/0x160
[  636.237675][ T9840]  __se_sys_mount+0x31d/0x420
[  636.237710][ T9840]  ? __pfx___se_sys_mount+0x10/0x10
[  636.237746][ T9840]  ? __x64_sys_mount+0x20/0xc0
[  636.237781][ T9840]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  636.237804][ T9840]  do_syscall_64+0x15f/0xf80
[  636.237831][ T9840]  ? trace_irq_disable+0x3b/0x140
[  636.237856][ T9840]  ? clear_bhb_loop+0x40/0x90
[  636.237882][ T9840]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  636.237903][ T9840] RIP: 0033:0x7f2caa54da9a
[  636.237923][ T9840] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  636.237942][ T9840] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  636.237964][ T9840] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  636.237985][ T9840] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  636.237999][ T9840] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  636.238014][ T9840] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  636.238027][ T9840] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  636.238060][ T9840]  </TASK>
[  636.350872][ T9837] CPU: 1 UID: 0 PID: 9837 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  636.350957][ T9837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  636.350991][ T9837] Call Trace:
[  636.351014][ T9837]  <TASK>
[  636.351037][ T9837]  dump_stack_lvl+0xe8/0x150
[  636.351144][ T9837]  sysfs_create_dir_ns+0x271/0x2a0
[  636.351235][ T9837]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  636.351334][ T9837]  ? do_raw_spin_unlock+0xf5/0x210
[  636.351415][ T9837]  kobject_add_internal+0x62b/0xd00
[  636.351532][ T9837]  kobject_init_and_add+0x12b/0x1a0
[  636.351641][ T9837]  ? __pfx_kobject_init_and_add+0x10/0x10
[  636.351728][ T9837]  ? __raw_spin_lock_init+0x45/0x100
[  636.351796][ T9837]  ? __init_swait_queue_head+0xa9/0x150
[  636.351864][ T9837]  gfs2_sys_fs_add+0x257/0x480
[  636.351978][ T9837]  ? is_dynamic_key+0x1ac/0x1c0
[  636.352122][ T9837]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  636.352236][ T9837]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  636.352351][ T9837]  gfs2_fill_super+0x13a7/0x21d0
[  636.352450][ T9837]  ? __pfx_gfs2_fill_super+0x10/0x10
[  636.352526][ T9837]  ? sb_set_blocksize+0x155/0x240
[  636.352615][ T9837]  ? setup_bdev_super+0x4c1/0x5b0
[  636.352696][ T9837]  get_tree_bdev_flags+0x431/0x4f0
[  636.352769][ T9837]  ? __pfx_gfs2_fill_super+0x10/0x10
[  636.352824][ T9837]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  636.352903][ T9837]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  636.352969][ T9837]  gfs2_get_tree+0x51/0x1e0
[  636.353059][ T9837]  vfs_get_tree+0x92/0x2a0
[  636.353141][ T9837]  do_new_mount+0x341/0xd30
[  636.353212][ T9837]  ? apparmor_capable+0x126/0x170
[  636.353292][ T9837]  ? __pfx_do_new_mount+0x10/0x10
[  636.353373][ T9837]  ? ns_capable+0x89/0xe0
[  636.353484][ T9837]  ? user_path_at+0xd4/0x160
[  636.353550][ T9837]  __se_sys_mount+0x31d/0x420
[  636.353651][ T9837]  ? __pfx___se_sys_mount+0x10/0x10
[  636.353742][ T9837]  ? __x64_sys_mount+0x20/0xc0
[  636.353810][ T9837]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  636.353875][ T9837]  do_syscall_64+0x15f/0xf80
[  636.353949][ T9837]  ? trace_irq_disable+0x3b/0x140
[  636.354016][ T9837]  ? clear_bhb_loop+0x40/0x90
[  636.354084][ T9837]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  636.354142][ T9837] RIP: 0033:0x7f2caa54da9a
[  636.354196][ T9837] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  636.354242][ T9837] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  636.354304][ T9837] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  636.354340][ T9837] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  636.354384][ T9837] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  636.354434][ T9837] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  636.354485][ T9837] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  636.354588][ T9837]  </TASK>
[  636.356624][ T9840] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  636.366400][ T9837] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
[  636.369065][ T9840] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  636.374630][ T9837] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  636.543694][ T9847] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
executing program
[  638.219217][ T9856] loop3: detected capacity change from 0 to 32768
[  638.251931][ T9856] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  638.273409][ T9856] CPU: 1 UID: 0 PID: 9856 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  638.273440][ T9856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  638.273453][ T9856] Call Trace:
[  638.273460][ T9856]  <TASK>
[  638.273470][ T9856]  dump_stack_lvl+0xe8/0x150
[  638.273507][ T9856]  sysfs_create_dir_ns+0x271/0x2a0
[  638.273541][ T9856]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  638.273573][ T9856]  ? do_raw_spin_unlock+0xf5/0x210
[  638.273602][ T9856]  kobject_add_internal+0x62b/0xd00
[  638.273644][ T9856]  kobject_init_and_add+0x12b/0x1a0
[  638.273683][ T9856]  ? __pfx_kobject_init_and_add+0x10/0x10
[  638.273716][ T9856]  ? __raw_spin_lock_init+0x45/0x100
[  638.273742][ T9856]  ? __init_swait_queue_head+0xa9/0x150
[  638.273770][ T9856]  gfs2_sys_fs_add+0x257/0x480
[  638.273795][ T9856]  ? is_dynamic_key+0x1ac/0x1c0
[  638.273825][ T9856]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  638.273860][ T9856]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  638.273898][ T9856]  gfs2_fill_super+0x13a7/0x21d0
[  638.273934][ T9856]  ? __pfx_gfs2_fill_super+0x10/0x10
[  638.273959][ T9856]  ? sb_set_blocksize+0x155/0x240
[  638.273992][ T9856]  ? setup_bdev_super+0x4c1/0x5b0
[  638.274019][ T9856]  get_tree_bdev_flags+0x431/0x4f0
[  638.274042][ T9856]  ? __pfx_gfs2_fill_super+0x10/0x10
[  638.274062][ T9856]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  638.274082][ T9856]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  638.274114][ T9856]  gfs2_get_tree+0x51/0x1e0
[  638.274139][ T9856]  vfs_get_tree+0x92/0x2a0
[  638.274164][ T9856]  do_new_mount+0x341/0xd30
[  638.274191][ T9856]  ? apparmor_capable+0x126/0x170
[  638.274218][ T9856]  ? __pfx_do_new_mount+0x10/0x10
[  638.274256][ T9856]  ? ns_capable+0x89/0xe0
[  638.274296][ T9856]  ? user_path_at+0xd4/0x160
[  638.274319][ T9856]  __se_sys_mount+0x31d/0x420
[  638.274355][ T9856]  ? __pfx___se_sys_mount+0x10/0x10
[  638.274393][ T9856]  ? __x64_sys_mount+0x20/0xc0
[  638.274420][ T9856]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  638.274444][ T9856]  do_syscall_64+0x15f/0xf80
[  638.274472][ T9856]  ? trace_irq_disable+0x3b/0x140
[  638.274497][ T9856]  ? clear_bhb_loop+0x40/0x90
[  638.274524][ T9856]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  638.274546][ T9856] RIP: 0033:0x7f2caa54da9a
[  638.274566][ T9856] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  638.274584][ T9856] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  638.274607][ T9856] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  638.274655][ T9856] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  638.274672][ T9856] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  638.274686][ T9856] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  638.274700][ T9856] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  638.274732][ T9856]  </TASK>
[  638.274761][ T9856] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  638.607618][ T9862] loop0: detected capacity change from 0 to 32768
[  638.677480][ T9863] loop2: detected capacity change from 0 to 32768
[  638.690919][ T9862] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  638.706403][ T9856] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  638.719638][ T9862] CPU: 0 UID: 0 PID: 9862 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  638.719667][ T9862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  638.719680][ T9862] Call Trace:
[  638.719689][ T9862]  <TASK>
[  638.719698][ T9862]  dump_stack_lvl+0xe8/0x150
[  638.719734][ T9862]  sysfs_create_dir_ns+0x271/0x2a0
[  638.719768][ T9862]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  638.719800][ T9862]  ? do_raw_spin_unlock+0xf5/0x210
[  638.719829][ T9862]  kobject_add_internal+0x62b/0xd00
[  638.719868][ T9862]  kobject_init_and_add+0x12b/0x1a0
[  638.719905][ T9862]  ? __pfx_kobject_init_and_add+0x10/0x10
[  638.719937][ T9862]  ? __raw_spin_lock_init+0x45/0x100
[  638.719962][ T9862]  ? __init_swait_queue_head+0xa9/0x150
[  638.719988][ T9862]  gfs2_sys_fs_add+0x257/0x480
[  638.720014][ T9862]  ? is_dynamic_key+0x1ac/0x1c0
[  638.720043][ T9862]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  638.720077][ T9862]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  638.720113][ T9862]  gfs2_fill_super+0x13a7/0x21d0
[  638.720149][ T9862]  ? __pfx_gfs2_fill_super+0x10/0x10
[  638.720173][ T9862]  ? sb_set_blocksize+0x155/0x240
[  638.720205][ T9862]  ? setup_bdev_super+0x4c1/0x5b0
[  638.720231][ T9862]  get_tree_bdev_flags+0x431/0x4f0
[  638.720253][ T9862]  ? __pfx_gfs2_fill_super+0x10/0x10
[  638.720281][ T9862]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  638.720306][ T9862]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  638.720336][ T9862]  gfs2_get_tree+0x51/0x1e0
[  638.720360][ T9862]  vfs_get_tree+0x92/0x2a0
[  638.720385][ T9862]  do_new_mount+0x341/0xd30
[  638.720411][ T9862]  ? apparmor_capable+0x126/0x170
[  638.720436][ T9862]  ? __pfx_do_new_mount+0x10/0x10
[  638.720465][ T9862]  ? ns_capable+0x89/0xe0
[  638.720505][ T9862]  ? user_path_at+0xd4/0x160
[  638.720525][ T9862]  __se_sys_mount+0x31d/0x420
[  638.720554][ T9862]  ? __pfx___se_sys_mount+0x10/0x10
[  638.720582][ T9862]  ? __x64_sys_mount+0x20/0xc0
[  638.720605][ T9862]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  638.720623][ T9862]  do_syscall_64+0x15f/0xf80
[  638.720646][ T9862]  ? trace_irq_disable+0x3b/0x140
[  638.720666][ T9862]  ? clear_bhb_loop+0x40/0x90
[  638.720687][ T9862]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  638.720703][ T9862] RIP: 0033:0x7f2caa54da9a
[  638.720719][ T9862] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  638.720734][ T9862] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  638.720752][ T9862] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  638.720764][ T9862] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  638.720776][ T9862] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  638.720787][ T9862] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  638.720798][ T9862] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  638.720822][ T9862]  </TASK>
[  639.082551][ T9869] loop4: detected capacity change from 0 to 32768
[  639.143793][ T9863] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  639.153887][ T9863] CPU: 0 UID: 0 PID: 9863 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  639.153915][ T9863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  639.153930][ T9863] Call Trace:
[  639.153938][ T9863]  <TASK>
[  639.153947][ T9863]  dump_stack_lvl+0xe8/0x150
[  639.153986][ T9863]  sysfs_create_dir_ns+0x271/0x2a0
[  639.154021][ T9863]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  639.154054][ T9863]  ? do_raw_spin_unlock+0xf5/0x210
[  639.154082][ T9863]  kobject_add_internal+0x62b/0xd00
[  639.154124][ T9863]  kobject_init_and_add+0x12b/0x1a0
[  639.154169][ T9863]  ? __pfx_kobject_init_and_add+0x10/0x10
[  639.154203][ T9863]  ? __raw_spin_lock_init+0x45/0x100
[  639.154229][ T9863]  ? __init_swait_queue_head+0xa9/0x150
[  639.154256][ T9863]  gfs2_sys_fs_add+0x257/0x480
[  639.154282][ T9863]  ? is_dynamic_key+0x1ac/0x1c0
[  639.154313][ T9863]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  639.154348][ T9863]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  639.154386][ T9863]  gfs2_fill_super+0x13a7/0x21d0
[  639.154423][ T9863]  ? __pfx_gfs2_fill_super+0x10/0x10
[  639.154450][ T9863]  ? sb_set_blocksize+0x155/0x240
[  639.154483][ T9863]  ? setup_bdev_super+0x4c1/0x5b0
[  639.154509][ T9863]  get_tree_bdev_flags+0x431/0x4f0
[  639.154532][ T9863]  ? __pfx_gfs2_fill_super+0x10/0x10
[  639.154552][ T9863]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  639.154572][ T9863]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  639.154604][ T9863]  gfs2_get_tree+0x51/0x1e0
[  639.154628][ T9863]  vfs_get_tree+0x92/0x2a0
[  639.154653][ T9863]  do_new_mount+0x341/0xd30
[  639.154680][ T9863]  ? apparmor_capable+0x126/0x170
[  639.154705][ T9863]  ? __pfx_do_new_mount+0x10/0x10
[  639.154733][ T9863]  ? ns_capable+0x89/0xe0
[  639.154773][ T9863]  ? user_path_at+0xd4/0x160
[  639.154795][ T9863]  __se_sys_mount+0x31d/0x420
[  639.154829][ T9863]  ? __pfx___se_sys_mount+0x10/0x10
[  639.154864][ T9863]  ? __x64_sys_mount+0x20/0xc0
[  639.154892][ T9863]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  639.154915][ T9863]  do_syscall_64+0x15f/0xf80
[  639.154943][ T9863]  ? trace_irq_disable+0x3b/0x140
[  639.154967][ T9863]  ? clear_bhb_loop+0x40/0x90
[  639.154992][ T9863]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  639.155012][ T9863] RIP: 0033:0x7f2caa54da9a
[  639.155033][ T9863] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  639.155050][ T9863] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  639.155073][ T9863] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  639.155088][ T9863] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  639.155103][ T9863] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  639.155116][ T9863] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  639.155130][ T9863] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  639.155168][ T9863]  </TASK>
[  639.155194][ T9863] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  639.213557][ T9869] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  639.219063][ T9863] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  639.361980][ T9862] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
[  639.614272][ T9869] CPU: 1 UID: 0 PID: 9869 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  639.614303][ T9869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  639.614316][ T9869] Call Trace:
[  639.614325][ T9869]  <TASK>
[  639.614335][ T9869]  dump_stack_lvl+0xe8/0x150
[  639.614373][ T9869]  sysfs_create_dir_ns+0x271/0x2a0
[  639.614409][ T9869]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  639.614441][ T9869]  ? do_raw_spin_unlock+0xf5/0x210
[  639.614471][ T9869]  kobject_add_internal+0x62b/0xd00
[  639.614513][ T9869]  kobject_init_and_add+0x12b/0x1a0
[  639.614550][ T9869]  ? __pfx_kobject_init_and_add+0x10/0x10
[  639.614581][ T9869]  ? __raw_spin_lock_init+0x45/0x100
[  639.614607][ T9869]  ? __init_swait_queue_head+0xa9/0x150
[  639.614634][ T9869]  gfs2_sys_fs_add+0x257/0x480
[  639.614661][ T9869]  ? is_dynamic_key+0x1ac/0x1c0
[  639.614691][ T9869]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  639.614726][ T9869]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  639.614765][ T9869]  gfs2_fill_super+0x13a7/0x21d0
[  639.614803][ T9869]  ? __pfx_gfs2_fill_super+0x10/0x10
[  639.614828][ T9869]  ? sb_set_blocksize+0x155/0x240
[  639.614861][ T9869]  ? setup_bdev_super+0x4c1/0x5b0
[  639.614888][ T9869]  get_tree_bdev_flags+0x431/0x4f0
[  639.614912][ T9869]  ? __pfx_gfs2_fill_super+0x10/0x10
[  639.614931][ T9869]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  639.614952][ T9869]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  639.614984][ T9869]  gfs2_get_tree+0x51/0x1e0
[  639.615009][ T9869]  vfs_get_tree+0x92/0x2a0
[  639.615034][ T9869]  do_new_mount+0x341/0xd30
[  639.615062][ T9869]  ? apparmor_capable+0x126/0x170
[  639.615089][ T9869]  ? __pfx_do_new_mount+0x10/0x10
[  639.615118][ T9869]  ? ns_capable+0x89/0xe0
[  639.615165][ T9869]  ? user_path_at+0xd4/0x160
[  639.615188][ T9869]  __se_sys_mount+0x31d/0x420
[  639.615222][ T9869]  ? __pfx___se_sys_mount+0x10/0x10
[  639.615256][ T9869]  ? __x64_sys_mount+0x20/0xc0
[  639.615282][ T9869]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  639.615305][ T9869]  do_syscall_64+0x15f/0xf80
[  639.615331][ T9869]  ? trace_irq_disable+0x3b/0x140
[  639.615355][ T9869]  ? clear_bhb_loop+0x40/0x90
[  639.615381][ T9869]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  639.615402][ T9869] RIP: 0033:0x7f2caa54da9a
[  639.615421][ T9869] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  639.615440][ T9869] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  639.615462][ T9869] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  639.615478][ T9869] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  639.615493][ T9869] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  639.615507][ T9869] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  639.615521][ T9869] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  639.615551][ T9869]  </TASK>
[  639.615579][ T9869] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  639.920478][ T9862] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
[  640.406480][ T9869] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[  641.070567][ T9887] loop2: detected capacity change from 0 to 32768
[  641.119924][ T9887] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  641.155875][ T9887] CPU: 1 UID: 0 PID: 9887 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  641.155911][ T9887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  641.155927][ T9887] Call Trace:
[  641.155937][ T9887]  <TASK>
[  641.155956][ T9887]  dump_stack_lvl+0xe8/0x150
[  641.155999][ T9887]  sysfs_create_dir_ns+0x271/0x2a0
[  641.156039][ T9887]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  641.156076][ T9887]  ? do_raw_spin_unlock+0xf5/0x210
[  641.156111][ T9887]  kobject_add_internal+0x62b/0xd00
[  641.156158][ T9887]  kobject_init_and_add+0x12b/0x1a0
[  641.156200][ T9887]  ? __pfx_kobject_init_and_add+0x10/0x10
[  641.156238][ T9887]  ? __raw_spin_lock_init+0x45/0x100
[  641.156268][ T9887]  ? __init_swait_queue_head+0xa9/0x150
[  641.156300][ T9887]  gfs2_sys_fs_add+0x257/0x480
[  641.156328][ T9887]  ? is_dynamic_key+0x1ac/0x1c0
[  641.156362][ T9887]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  641.156404][ T9887]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  641.156449][ T9887]  gfs2_fill_super+0x13a7/0x21d0
[  641.156492][ T9887]  ? __pfx_gfs2_fill_super+0x10/0x10
[  641.156522][ T9887]  ? sb_set_blocksize+0x155/0x240
[  641.156559][ T9887]  ? setup_bdev_super+0x4c1/0x5b0
[  641.156589][ T9887]  get_tree_bdev_flags+0x431/0x4f0
[  641.156616][ T9887]  ? __pfx_gfs2_fill_super+0x10/0x10
[  641.156640][ T9887]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  641.156671][ T9887]  ? __pfx_gfs2_get_tree+0x10/0x10
[  641.156696][ T9887]  gfs2_get_tree+0x51/0x1e0
[  641.156723][ T9887]  vfs_get_tree+0x92/0x2a0
[  641.156751][ T9887]  do_new_mount+0x341/0xd30
[  641.156783][ T9887]  ? apparmor_capable+0x126/0x170
[  641.156814][ T9887]  ? __pfx_do_new_mount+0x10/0x10
[  641.156846][ T9887]  ? ns_capable+0x89/0xe0
[  641.156892][ T9887]  ? user_path_at+0xd4/0x160
[  641.156918][ T9887]  __se_sys_mount+0x31d/0x420
[  641.156966][ T9887]  ? __pfx___se_sys_mount+0x10/0x10
[  641.157008][ T9887]  ? __x64_sys_mount+0x20/0xc0
[  641.157040][ T9887]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  641.157065][ T9887]  do_syscall_64+0x15f/0xf80
[  641.157096][ T9887]  ? trace_irq_disable+0x3b/0x140
[  641.157123][ T9887]  ? clear_bhb_loop+0x40/0x90
[  641.157152][ T9887]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  641.157182][ T9887] RIP: 0033:0x7f2caa54da9a
[  641.157205][ T9887] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  641.157225][ T9887] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  641.157250][ T9887] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  641.157267][ T9887] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  641.157283][ T9887] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  641.157299][ T9887] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  641.157314][ T9887] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  641.157347][ T9887]  </TASK>
[  641.157403][ T9887] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
[  641.699119][ T9887] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[  641.890189][ T9890] loop0: detected capacity change from 0 to 32768
[  641.941153][ T9890] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  641.975683][ T9890] CPU: 0 UID: 0 PID: 9890 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  641.975715][ T9890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  641.975729][ T9890] Call Trace:
[  641.975738][ T9890]  <TASK>
[  641.975747][ T9890]  dump_stack_lvl+0xe8/0x150
[  641.975785][ T9890]  sysfs_create_dir_ns+0x271/0x2a0
[  641.975819][ T9890]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  641.975852][ T9890]  ? do_raw_spin_unlock+0xf5/0x210
[  641.975888][ T9890]  kobject_add_internal+0x62b/0xd00
[  641.975932][ T9890]  kobject_init_and_add+0x12b/0x1a0
[  641.975970][ T9890]  ? __pfx_kobject_init_and_add+0x10/0x10
[  641.976003][ T9890]  ? __raw_spin_lock_init+0x45/0x100
[  641.976030][ T9890]  ? __init_swait_queue_head+0xa9/0x150
[  641.976058][ T9890]  gfs2_sys_fs_add+0x257/0x480
[  641.976085][ T9890]  ? is_dynamic_key+0x1ac/0x1c0
[  641.976114][ T9890]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  641.976150][ T9890]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  641.976189][ T9890]  gfs2_fill_super+0x13a7/0x21d0
[  641.976228][ T9890]  ? __pfx_gfs2_fill_super+0x10/0x10
[  641.976254][ T9890]  ? sb_set_blocksize+0x155/0x240
[  641.976287][ T9890]  ? setup_bdev_super+0x4c1/0x5b0
[  641.976314][ T9890]  get_tree_bdev_flags+0x431/0x4f0
[  641.976338][ T9890]  ? __pfx_gfs2_fill_super+0x10/0x10
[  641.976359][ T9890]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  641.976380][ T9890]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  641.976414][ T9890]  gfs2_get_tree+0x51/0x1e0
[  641.976438][ T9890]  vfs_get_tree+0x92/0x2a0
[  641.976464][ T9890]  do_new_mount+0x341/0xd30
[  641.976490][ T9890]  ? apparmor_capable+0x126/0x170
[  641.976517][ T9890]  ? __pfx_do_new_mount+0x10/0x10
[  641.976546][ T9890]  ? ns_capable+0x89/0xe0
[  641.976586][ T9890]  ? user_path_at+0xd4/0x160
[  641.976608][ T9890]  __se_sys_mount+0x31d/0x420
[  641.976644][ T9890]  ? __pfx___se_sys_mount+0x10/0x10
[  641.976681][ T9890]  ? __x64_sys_mount+0x20/0xc0
[  641.976708][ T9890]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  641.976743][ T9890]  do_syscall_64+0x15f/0xf80
[  641.976771][ T9890]  ? trace_irq_disable+0x3b/0x140
[  641.976797][ T9890]  ? clear_bhb_loop+0x40/0x90
[  641.976827][ T9890]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  641.976848][ T9890] RIP: 0033:0x7f2caa54da9a
[  641.976868][ T9890] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  641.976891][ T9890] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  641.976915][ T9890] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  641.976930][ T9890] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  641.976945][ T9890] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  641.976959][ T9890] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  641.976973][ T9890] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  641.977005][ T9890]  </TASK>
[  641.977042][ T9890] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  642.398180][ T9894] loop4: detected capacity change from 0 to 32768
[  642.427263][ T9890] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  642.444998][ T9894] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  642.459429][ T9894] CPU: 0 UID: 0 PID: 9894 Comm: syz-executor792 Not tainted syzkaller #0 PREEMPT(full) 
[  642.459458][ T9894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  642.459469][ T9894] Call Trace:
[  642.459477][ T9894]  <TASK>
[  642.459485][ T9894]  dump_stack_lvl+0xe8/0x150
[  642.459517][ T9894]  sysfs_create_dir_ns+0x271/0x2a0
[  642.459546][ T9894]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  642.459572][ T9894]  ? do_raw_spin_unlock+0xf5/0x210
[  642.459597][ T9894]  kobject_add_internal+0x62b/0xd00
[  642.459639][ T9894]  kobject_init_and_add+0x12b/0x1a0
[  642.459671][ T9894]  ? __pfx_kobject_init_and_add+0x10/0x10
[  642.459698][ T9894]  ? __raw_spin_lock_init+0x45/0x100
[  642.459719][ T9894]  ? __init_swait_queue_head+0xa9/0x150
[  642.459741][ T9894]  gfs2_sys_fs_add+0x257/0x480
[  642.459762][ T9894]  ? is_dynamic_key+0x1ac/0x1c0
[  642.459787][ T9894]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  642.459815][ T9894]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  642.459846][ T9894]  gfs2_fill_super+0x13a7/0x21d0
[  642.459876][ T9894]  ? __pfx_gfs2_fill_super+0x10/0x10
[  642.459898][ T9894]  ? sb_set_blocksize+0x155/0x240
[  642.459925][ T9894]  ? setup_bdev_super+0x4c1/0x5b0
[  642.459946][ T9894]  get_tree_bdev_flags+0x431/0x4f0
[  642.459965][ T9894]  ? __pfx_gfs2_fill_super+0x10/0x10
[  642.459981][ T9894]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  642.459997][ T9894]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  642.460026][ T9894]  gfs2_get_tree+0x51/0x1e0
[  642.460047][ T9894]  vfs_get_tree+0x92/0x2a0
[  642.460071][ T9894]  do_new_mount+0x341/0xd30
[  642.460096][ T9894]  ? apparmor_capable+0x126/0x170
[  642.460121][ T9894]  ? __pfx_do_new_mount+0x10/0x10
[  642.460145][ T9894]  ? ns_capable+0x89/0xe0
[  642.460181][ T9894]  ? user_path_at+0xd4/0x160
[  642.460200][ T9894]  __se_sys_mount+0x31d/0x420
[  642.460230][ T9894]  ? __pfx___se_sys_mount+0x10/0x10
[  642.460260][ T9894]  ? __x64_sys_mount+0x20/0xc0
[  642.460285][ T9894]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  642.460310][ T9894]  do_syscall_64+0x15f/0xf80
[  642.460335][ T9894]  ? trace_irq_disable+0x3b/0x140
[  642.460357][ T9894]  ? clear_bhb_loop+0x40/0x90
[  642.460379][ T9894]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  642.460396][ T9894] RIP: 0033:0x7f2caa54da9a
[  642.460415][ T9894] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  642.460433][ T9894] RSP: 002b:00007ffec35c5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  642.460453][ T9894] RAX: ffffffffffffffda RBX: 00007ffec35c54a0 RCX: 00007f2caa54da9a
[  642.460467][ T9894] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec35c54a0
[  642.460480][ T9894] RBP: 0000200000012500 R08: 00007ffec35c54e0 R09: 0000000000000000
[  642.460491][ T9894] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  642.460504][ T9894] R13: 00007ffec35c54e0 R14: 0000000000000003 R15: 0000000000000000
[  642.460532][ T9894]  </TASK>
[  642.783140][ T9893] loop3: detected capacity change from 0 to 32768