ectory.
[  450.596711][ T8814] CPU: 0 UID: 0 PID: 8814 Comm: syz.3.461 Not tainted syzkaller #0 PREEMPT(full) 
[  450.596740][ T8814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  450.596752][ T8814] Call Trace:
[  450.596761][ T8814]  <TASK>
[  450.596769][ T8814]  dump_stack_lvl+0x189/0x250
[  450.596813][ T8814]  ? __pfx_dump_stack_lvl+0x10/0x10
[  450.596840][ T8814]  ? __pfx__printk+0x10/0x10
[  450.596869][ T8814]  ? kernfs_path_from_node+0x250/0x290
[  450.596890][ T8814]  ? kernfs_path_from_node+0x2f/0x290
[  450.596915][ T8814]  sysfs_create_dir_ns+0x259/0x280
[  450.596940][ T8814]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  450.596964][ T8814]  ? do_raw_spin_unlock+0x122/0x240
[  450.596987][ T8814]  kobject_add_internal+0x59f/0xb70
[  450.597024][ T8814]  kobject_init_and_add+0x125/0x190
[  450.597058][ T8814]  ? __pfx_kobject_init_and_add+0x10/0x10
[  450.597085][ T8814]  ? __raw_spin_lock_init+0x45/0x100
[  450.597106][ T8814]  ? __init_swait_queue_head+0xa9/0x150
[  450.597145][ T8814]  gfs2_sys_fs_add+0x234/0x450
[  450.597169][ T8814]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  450.597196][ T8814]  ? is_dynamic_key+0xd6/0x1c0
[  450.597217][ T8814]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  450.597250][ T8814]  gfs2_fill_super+0x13d1/0x2270
[  450.597293][ T8814]  ? __pfx_gfs2_fill_super+0x10/0x10
[  450.597323][ T8814]  ? sb_set_blocksize+0x104/0x180
[  450.597353][ T8814]  ? setup_bdev_super+0x4c1/0x5b0
[  450.597380][ T8814]  get_tree_bdev_flags+0x40e/0x4d0
[  450.597403][ T8814]  ? __pfx_gfs2_fill_super+0x10/0x10
[  450.597428][ T8814]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  450.597449][ T8814]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  450.597479][ T8814]  gfs2_get_tree+0x51/0x1e0
[  450.597507][ T8814]  vfs_get_tree+0x92/0x2b0
[  450.597533][ T8814]  do_new_mount+0x302/0xa10
[  450.597556][ T8814]  ? apparmor_capable+0x137/0x1b0
[  450.597582][ T8814]  ? __pfx_do_new_mount+0x10/0x10
[  450.597607][ T8814]  ? ns_capable+0x8a/0xf0
[  450.597634][ T8814]  ? kmem_cache_free+0x19b/0x690
[  450.597664][ T8814]  __se_sys_mount+0x313/0x410
[  450.597696][ T8814]  ? __pfx___se_sys_mount+0x10/0x10
[  450.597726][ T8814]  ? do_syscall_64+0xbe/0xfa0
[  450.597748][ T8814]  ? __x64_sys_mount+0x20/0xc0
[  450.597790][ T8814]  do_syscall_64+0xfa/0xfa0
[  450.597821][ T8814]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  450.597840][ T8814]  ? clear_bhb_loop+0x60/0xb0
[  450.597862][ T8814]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  450.597880][ T8814] RIP: 0033:0x7fa20eb9038a
[  450.597898][ T8814] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  450.597914][ T8814] RSP: 002b:00007fa20fa79e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  450.597936][ T8814] RAX: ffffffffffffffda RBX: 00007fa20fa79ef0 RCX: 00007fa20eb9038a
[  450.597949][ T8814] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fa20fa79eb0
[  450.597962][ T8814] RBP: 000020000001f680 R08: 00007fa20fa79ef0 R09: 0000000000000084
[  450.597974][ T8814] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  450.597987][ T8814] R13: 00007fa20fa79eb0 R14: 000000000001f790 R15: 00002000000001c0
[  450.598020][ T8814]  </TASK>
[  450.598048][ T8814] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  450.838216][ T8818] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  450.910136][ T8821] loop4: detected capacity change from 0 to 32768
[  450.915820][ T8814] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  450.992442][ T8821] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  451.334276][ T8821] CPU: 1 UID: 0 PID: 8821 Comm: syz.4.462 Not tainted syzkaller #0 PREEMPT(full) 
[  451.334307][ T8821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  451.334321][ T8821] Call Trace:
[  451.334330][ T8821]  <TASK>
[  451.334340][ T8821]  dump_stack_lvl+0x189/0x250
[  451.334379][ T8821]  ? __pfx_dump_stack_lvl+0x10/0x10
[  451.334410][ T8821]  ? __pfx__printk+0x10/0x10
[  451.334441][ T8821]  ? kernfs_path_from_node+0x250/0x290
[  451.334464][ T8821]  ? kernfs_path_from_node+0x2f/0x290
[  451.334492][ T8821]  sysfs_create_dir_ns+0x259/0x280
[  451.334520][ T8821]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  451.334545][ T8821]  ? do_raw_spin_unlock+0x122/0x240
[  451.334573][ T8821]  kobject_add_internal+0x59f/0xb70
[  451.334613][ T8821]  kobject_init_and_add+0x125/0x190
[  451.334648][ T8821]  ? __pfx_kobject_init_and_add+0x10/0x10
[  451.334676][ T8821]  ? __raw_spin_lock_init+0x45/0x100
[  451.334698][ T8821]  ? __init_swait_queue_head+0xa9/0x150
[  451.334733][ T8821]  gfs2_sys_fs_add+0x234/0x450
[  451.334759][ T8821]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  451.334790][ T8821]  ? is_dynamic_key+0xd6/0x1c0
[  451.334813][ T8821]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  451.334852][ T8821]  gfs2_fill_super+0x13d1/0x2270
[  451.334899][ T8821]  ? __pfx_gfs2_fill_super+0x10/0x10
[  451.334933][ T8821]  ? sb_set_blocksize+0x104/0x180
[  451.334967][ T8821]  ? setup_bdev_super+0x4c1/0x5b0
[  451.335005][ T8821]  get_tree_bdev_flags+0x40e/0x4d0
[  451.335031][ T8821]  ? __pfx_gfs2_fill_super+0x10/0x10
[  451.335059][ T8821]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  451.335082][ T8821]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  451.335116][ T8821]  gfs2_get_tree+0x51/0x1e0
[  451.335148][ T8821]  vfs_get_tree+0x92/0x2b0
[  451.335177][ T8821]  do_new_mount+0x302/0xa10
[  451.335203][ T8821]  ? apparmor_capable+0x137/0x1b0
[  451.335233][ T8821]  ? __pfx_do_new_mount+0x10/0x10
[  451.335261][ T8821]  ? ns_capable+0x8a/0xf0
[  451.335290][ T8821]  ? kmem_cache_free+0x19b/0x690
[  451.335324][ T8821]  __se_sys_mount+0x313/0x410
[  451.335359][ T8821]  ? __pfx___se_sys_mount+0x10/0x10
[  451.335393][ T8821]  ? do_syscall_64+0xbe/0xfa0
[  451.335418][ T8821]  ? __x64_sys_mount+0x20/0xc0
[  451.335448][ T8821]  do_syscall_64+0xfa/0xfa0
[  451.335476][ T8821]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  451.335496][ T8821]  ? clear_bhb_loop+0x60/0xb0
[  451.335521][ T8821]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  451.335541][ T8821] RIP: 0033:0x7f7581b9038a
[  451.335560][ T8821] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  451.335579][ T8821] RSP: 002b:00007f758297ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  451.335604][ T8821] RAX: ffffffffffffffda RBX: 00007f758297cef0 RCX: 00007f7581b9038a
[  451.335620][ T8821] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f758297ceb0
[  451.335635][ T8821] RBP: 000020000001f680 R08: 00007f758297cef0 R09: 0000000000000084
[  451.335650][ T8821] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  451.335664][ T8821] R13: 00007f758297ceb0 R14: 000000000001f790 R15: 00002000000001c0
[  451.335701][ T8821]  </TASK>
[  451.335730][ T8821] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  451.682238][ T8821] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  452.029979][ T8829] loop0: detected capacity change from 0 to 32768
[  452.104461][ T8829] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  452.153384][ T8829] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  452.245927][ T8829] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[  452.315885][  T793] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  452.332307][  T793] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  452.509197][  T793] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 176ms
[  452.537627][  T793] gfs2: fsid=syz:syz.0: jid=0: Done
[  452.562310][ T8829] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  453.199180][ T8845] loop4: detected capacity change from 0 to 32768
[  453.222330][ T8845] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  453.253563][ T8845] CPU: 0 UID: 0 PID: 8845 Comm: syz.4.467 Not tainted syzkaller #0 PREEMPT(full) 
[  453.253592][ T8845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  453.253606][ T8845] Call Trace:
[  453.253615][ T8845]  <TASK>
[  453.253625][ T8845]  dump_stack_lvl+0x189/0x250
[  453.253665][ T8845]  ? __pfx_dump_stack_lvl+0x10/0x10
[  453.253696][ T8845]  ? __pfx__printk+0x10/0x10
[  453.253748][ T8845]  ? kernfs_path_from_node+0x250/0x290
[  453.253772][ T8845]  ? kernfs_path_from_node+0x2f/0x290
[  453.253801][ T8845]  sysfs_create_dir_ns+0x259/0x280
[  453.253837][ T8845]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  453.253863][ T8845]  ? do_raw_spin_unlock+0x122/0x240
[  453.253891][ T8845]  kobject_add_internal+0x59f/0xb70
[  453.253934][ T8845]  kobject_init_and_add+0x125/0x190
[  453.253970][ T8845]  ? __pfx_kobject_init_and_add+0x10/0x10
[  453.254003][ T8845]  ? __raw_spin_lock_init+0x45/0x100
[  453.254026][ T8845]  ? __init_swait_queue_head+0xa9/0x150
[  453.254063][ T8845]  gfs2_sys_fs_add+0x234/0x450
[  453.254090][ T8845]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  453.254120][ T8845]  ? is_dynamic_key+0xd6/0x1c0
[  453.254144][ T8845]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  453.254182][ T8845]  gfs2_fill_super+0x13d1/0x2270
[  453.254231][ T8845]  ? __pfx_gfs2_fill_super+0x10/0x10
[  453.254265][ T8845]  ? sb_set_blocksize+0x104/0x180
[  453.254301][ T8845]  ? setup_bdev_super+0x4c1/0x5b0
[  453.254332][ T8845]  get_tree_bdev_flags+0x40e/0x4d0
[  453.254358][ T8845]  ? __pfx_gfs2_fill_super+0x10/0x10
[  453.254386][ T8845]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  453.254409][ T8845]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  453.254443][ T8845]  gfs2_get_tree+0x51/0x1e0
[  453.254476][ T8845]  vfs_get_tree+0x92/0x2b0
[  453.254505][ T8845]  do_new_mount+0x302/0xa10
[  453.254531][ T8845]  ? apparmor_capable+0x137/0x1b0
[  453.254561][ T8845]  ? __pfx_do_new_mount+0x10/0x10
[  453.254588][ T8845]  ? ns_capable+0x8a/0xf0
[  453.254619][ T8845]  ? kmem_cache_free+0x19b/0x690
[  453.254653][ T8845]  __se_sys_mount+0x313/0x410
[  453.254689][ T8845]  ? __pfx___se_sys_mount+0x10/0x10
[  453.254723][ T8845]  ? do_syscall_64+0xbe/0xfa0
[  453.254749][ T8845]  ? __x64_sys_mount+0x20/0xc0
[  453.254780][ T8845]  do_syscall_64+0xfa/0xfa0
[  453.254808][ T8845]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  453.254837][ T8845]  ? clear_bhb_loop+0x60/0xb0
[  453.254864][ T8845]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  453.254884][ T8845] RIP: 0033:0x7f7581b9038a
[  453.254903][ T8845] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  453.254923][ T8845] RSP: 002b:00007f758297ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  453.254947][ T8845] RAX: ffffffffffffffda RBX: 00007f758297cef0 RCX: 00007f7581b9038a
[  453.254963][ T8845] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f758297ceb0
[  453.254977][ T8845] RBP: 000020000001f680 R08: 00007f758297cef0 R09: 0000000000000084
[  453.254991][ T8845] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  453.255005][ T8845] R13: 00007f758297ceb0 R14: 000000000001f790 R15: 00002000000001c0
[  453.255042][ T8845]  </TASK>
[  453.255072][ T8845] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  453.608823][ T8845] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  453.694083][ T8837] loop2: detected capacity change from 0 to 32768
[  453.724086][ T8837] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  453.741176][ T8837] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  453.853073][ T8837] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[  453.882668][ T8841] loop1: detected capacity change from 0 to 32768
[  453.890760][  T980] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  453.898098][  T980] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  453.906970][ T8843] loop3: detected capacity change from 0 to 32768
[  453.937906][ T8841] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  453.954363][ T8843] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  453.972028][ T8841] CPU: 0 UID: 0 PID: 8841 Comm: syz.1.465 Not tainted syzkaller #0 PREEMPT(full) 
[  453.972066][ T8841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  453.972080][ T8841] Call Trace:
[  453.972089][ T8841]  <TASK>
[  453.972099][ T8841]  dump_stack_lvl+0x189/0x250
[  453.972139][ T8841]  ? __pfx_dump_stack_lvl+0x10/0x10
[  453.972174][ T8841]  ? __pfx__printk+0x10/0x10
[  453.972203][ T8841]  ? kernfs_path_from_node+0x250/0x290
[  453.972226][ T8841]  ? kernfs_path_from_node+0x2f/0x290
[  453.972254][ T8841]  sysfs_create_dir_ns+0x259/0x280
[  453.972280][ T8841]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  453.972306][ T8841]  ? do_raw_spin_unlock+0x122/0x240
[  453.972332][ T8841]  kobject_add_internal+0x59f/0xb70
[  453.972374][ T8841]  kobject_init_and_add+0x125/0x190
[  453.972410][ T8841]  ? __pfx_kobject_init_and_add+0x10/0x10
[  453.972441][ T8841]  ? __raw_spin_lock_init+0x45/0x100
[  453.972464][ T8841]  ? __init_swait_queue_head+0xa9/0x150
[  453.972499][ T8841]  gfs2_sys_fs_add+0x234/0x450
[  453.972525][ T8841]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  453.972556][ T8841]  ? is_dynamic_key+0xd6/0x1c0
[  453.972580][ T8841]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  453.972616][ T8841]  gfs2_fill_super+0x13d1/0x2270
[  453.972663][ T8841]  ? __pfx_gfs2_fill_super+0x10/0x10
[  453.972697][ T8841]  ? sb_set_blocksize+0x104/0x180
[  453.972731][ T8841]  ? setup_bdev_super+0x4c1/0x5b0
[  453.972762][ T8841]  get_tree_bdev_flags+0x40e/0x4d0
[  453.972788][ T8841]  ? __pfx_gfs2_fill_super+0x10/0x10
[  453.972814][ T8841]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  453.972837][ T8841]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  453.972871][ T8841]  gfs2_get_tree+0x51/0x1e0
[  453.972903][ T8841]  vfs_get_tree+0x92/0x2b0
[  453.972931][ T8841]  do_new_mount+0x302/0xa10
[  453.972957][ T8841]  ? apparmor_capable+0x137/0x1b0
[  453.972986][ T8841]  ? __pfx_do_new_mount+0x10/0x10
[  453.973013][ T8841]  ? ns_capable+0x8a/0xf0
[  453.973042][ T8841]  ? kmem_cache_free+0x19b/0x690
[  453.973086][ T8841]  __se_sys_mount+0x313/0x410
[  453.973122][ T8841]  ? __pfx___se_sys_mount+0x10/0x10
[  453.973154][ T8841]  ? do_syscall_64+0xbe/0xfa0
[  453.973180][ T8841]  ? __x64_sys_mount+0x20/0xc0
[  453.973211][ T8841]  do_syscall_64+0xfa/0xfa0
[  453.973239][ T8841]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  453.973259][ T8841]  ? clear_bhb_loop+0x60/0xb0
[  453.973284][ T8841]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  453.973304][ T8841] RIP: 0033:0x7f67e7f9038a
[  453.973324][ T8841] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  453.973343][ T8841] RSP: 002b:00007f67e75fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  453.973367][ T8841] RAX: ffffffffffffffda RBX: 00007f67e75fdef0 RCX: 00007f67e7f9038a
[  453.973382][ T8841] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f67e75fdeb0
[  453.973397][ T8841] RBP: 000020000001f680 R08: 00007f67e75fdef0 R09: 0000000000000084
[  453.973411][ T8841] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  453.973424][ T8841] R13: 00007f67e75fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  453.973461][ T8841]  </TASK>
[  453.987470][ T8843] CPU: 1 UID: 0 PID: 8843 Comm: syz.3.466 Not tainted syzkaller #0 PREEMPT(full) 
[  453.987497][ T8843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  453.987509][ T8843] Call Trace:
[  453.987517][ T8843]  <TASK>
[  453.987525][ T8843]  dump_stack_lvl+0x189/0x250
[  453.987561][ T8843]  ? __pfx_dump_stack_lvl+0x10/0x10
[  453.987589][ T8843]  ? __pfx__printk+0x10/0x10
[  453.987616][ T8843]  ? kernfs_path_from_node+0x250/0x290
[  453.987637][ T8843]  ? kernfs_path_from_node+0x2f/0x290
[  453.987662][ T8843]  sysfs_create_dir_ns+0x259/0x280
[  453.987688][ T8843]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  453.987711][ T8843]  ? do_raw_spin_unlock+0x122/0x240
[  453.987735][ T8843]  kobject_add_internal+0x59f/0xb70
[  453.987772][ T8843]  kobject_init_and_add+0x125/0x190
[  453.987821][ T8843]  ? __pfx_kobject_init_and_add+0x10/0x10
[  453.987849][ T8843]  ? __raw_spin_lock_init+0x45/0x100
[  453.987870][ T8843]  ? __init_swait_queue_head+0xa9/0x150
[  453.987902][ T8843]  gfs2_sys_fs_add+0x234/0x450
[  453.987925][ T8843]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  453.987952][ T8843]  ? is_dynamic_key+0xd6/0x1c0
[  453.987973][ T8843]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
2025/11/08 14:38:22 executed programs: 462
[  453.988007][ T8843]  gfs2_fill_super+0x13d1/0x2270
[  453.988049][ T8843]  ? __pfx_gfs2_fill_super+0x10/0x10
[  453.988079][ T8843]  ? sb_set_blocksize+0x104/0x180
[  453.988110][ T8843]  ? setup_bdev_super+0x4c1/0x5b0
[  453.988137][ T8843]  get_tree_bdev_flags+0x40e/0x4d0
[  453.988160][ T8843]  ? __pfx_gfs2_fill_super+0x10/0x10
[  453.988185][ T8843]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  453.988206][ T8843]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  453.988235][ T8843]  gfs2_get_tree+0x51/0x1e0
[  453.988264][ T8843]  vfs_get_tree+0x92/0x2b0
[  453.988290][ T8843]  do_new_mount+0x302/0xa10
[  453.988313][ T8843]  ? apparmor_capable+0x137/0x1b0
[  453.988339][ T8843]  ? __pfx_do_new_mount+0x10/0x10
[  453.988364][ T8843]  ? ns_capable+0x8a/0xf0
[  453.988390][ T8843]  ? kmem_cache_free+0x19b/0x690
[  453.988420][ T8843]  __se_sys_mount+0x313/0x410
[  453.988452][ T8843]  ? __pfx___se_sys_mount+0x10/0x10
[  453.988481][ T8843]  ? do_syscall_64+0xbe/0xfa0
[  453.988504][ T8843]  ? __x64_sys_mount+0x20/0xc0
[  453.988532][ T8843]  do_syscall_64+0xfa/0xfa0
[  453.988556][ T8843]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  453.988574][ T8843]  ? clear_bhb_loop+0x60/0xb0
[  453.988597][ T8843]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  453.988614][ T8843] RIP: 0033:0x7fa20eb9038a
[  453.988631][ T8843] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  453.988647][ T8843] RSP: 002b:00007fa20fa79e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  453.988668][ T8843] RAX: ffffffffffffffda RBX: 00007fa20fa79ef0 RCX: 00007fa20eb9038a
[  453.988682][ T8843] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fa20fa79eb0
[  453.988695][ T8843] RBP: 000020000001f680 R08: 00007fa20fa79ef0 R09: 0000000000000084
[  453.988707][ T8843] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  453.988719][ T8843] R13: 00007fa20fa79eb0 R14: 000000000001f790 R15: 00002000000001c0
[  453.988752][ T8843]  </TASK>
[  453.988782][ T8843] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  454.002606][ T8841] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  454.642494][ T8843] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  454.642573][ T8841] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  454.660602][  T980] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 762ms
[  454.692499][  T980] gfs2: fsid=syz:syz.0: jid=0: Done
[  454.698189][ T8837] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  456.040439][ T8857] loop4: detected capacity change from 0 to 32768
[  456.110051][ T8857] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  456.150451][ T8857] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  456.240554][ T8857] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[  456.282266][  T794] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  456.299366][  T794] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  456.504079][  T794] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 204ms
[  456.532727][  T794] gfs2: fsid=syz:syz.0: jid=0: Done
[  456.538022][ T8857] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  456.698271][ T8861] loop0: detected capacity change from 0 to 32768
[  456.753242][ T8861] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  456.772365][ T8861] CPU: 0 UID: 0 PID: 8861 Comm: syz.0.468 Not tainted syzkaller #0 PREEMPT(full) 
[  456.772395][ T8861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  456.772408][ T8861] Call Trace:
[  456.772418][ T8861]  <TASK>
[  456.772427][ T8861]  dump_stack_lvl+0x189/0x250
[  456.772466][ T8861]  ? __pfx_dump_stack_lvl+0x10/0x10
[  456.772496][ T8861]  ? __pfx__printk+0x10/0x10
[  456.772527][ T8861]  ? kernfs_path_from_node+0x250/0x290
[  456.772551][ T8861]  ? kernfs_path_from_node+0x2f/0x290
[  456.772579][ T8861]  sysfs_create_dir_ns+0x259/0x280
[  456.772607][ T8861]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  456.772632][ T8861]  ? do_raw_spin_unlock+0x122/0x240
[  456.772658][ T8861]  kobject_add_internal+0x59f/0xb70
[  456.772699][ T8861]  kobject_init_and_add+0x125/0x190
[  456.772736][ T8861]  ? __pfx_kobject_init_and_add+0x10/0x10
[  456.772769][ T8861]  ? __raw_spin_lock_init+0x45/0x100
[  456.772802][ T8861]  ? __init_swait_queue_head+0xa9/0x150
[  456.772839][ T8861]  gfs2_sys_fs_add+0x234/0x450
[  456.772865][ T8861]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  456.772896][ T8861]  ? is_dynamic_key+0xd6/0x1c0
[  456.772920][ T8861]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  456.772958][ T8861]  gfs2_fill_super+0x13d1/0x2270
[  456.773005][ T8861]  ? __pfx_gfs2_fill_super+0x10/0x10
[  456.773038][ T8861]  ? sb_set_blocksize+0x104/0x180
[  456.773073][ T8861]  ? setup_bdev_super+0x4c1/0x5b0
[  456.773104][ T8861]  get_tree_bdev_flags+0x40e/0x4d0
[  456.773130][ T8861]  ? __pfx_gfs2_fill_super+0x10/0x10
[  456.773158][ T8861]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  456.773182][ T8861]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  456.773215][ T8861]  gfs2_get_tree+0x51/0x1e0
[  456.773248][ T8861]  vfs_get_tree+0x92/0x2b0
[  456.773276][ T8861]  do_new_mount+0x302/0xa10
[  456.773302][ T8861]  ? apparmor_capable+0x137/0x1b0
[  456.773332][ T8861]  ? __pfx_do_new_mount+0x10/0x10
[  456.773360][ T8861]  ? ns_capable+0x8a/0xf0
[  456.773390][ T8861]  ? kmem_cache_free+0x19b/0x690
[  456.773424][ T8861]  __se_sys_mount+0x313/0x410
[  456.773459][ T8861]  ? __pfx___se_sys_mount+0x10/0x10
[  456.773494][ T8861]  ? do_syscall_64+0xbe/0xfa0
[  456.773519][ T8861]  ? __x64_sys_mount+0x20/0xc0
[  456.773550][ T8861]  do_syscall_64+0xfa/0xfa0
[  456.773578][ T8861]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  456.773599][ T8861]  ? clear_bhb_loop+0x60/0xb0
[  456.773625][ T8861]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  456.773645][ T8861] RIP: 0033:0x7f0d3819038a
[  456.773665][ T8861] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  456.773684][ T8861] RSP: 002b:00007f0d38fb4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  456.773728][ T8861] RAX: ffffffffffffffda RBX: 00007f0d38fb4ef0 RCX: 00007f0d3819038a
[  456.773744][ T8861] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f0d38fb4eb0
[  456.773758][ T8861] RBP: 000020000001f680 R08: 00007f0d38fb4ef0 R09: 0000000000000084
[  456.773780][ T8861] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  456.773794][ T8861] R13: 00007f0d38fb4eb0 R14: 000000000001f790 R15: 00002000000001c0
[  456.773831][ T8861]  </TASK>
[  456.773863][ T8861] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  456.955394][ T8863] loop1: detected capacity change from 0 to 32768
[  456.979405][ T8861] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  457.097801][ T8865] loop3: detected capacity change from 0 to 32768
[  457.141219][ T8863] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  457.188135][ T8863] CPU: 1 UID: 0 PID: 8863 Comm: syz.1.471 Not tainted syzkaller #0 PREEMPT(full) 
[  457.188166][ T8863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  457.188179][ T8863] Call Trace:
[  457.188188][ T8863]  <TASK>
[  457.188197][ T8863]  dump_stack_lvl+0x189/0x250
[  457.188236][ T8863]  ? __pfx_dump_stack_lvl+0x10/0x10
[  457.188266][ T8863]  ? __pfx__printk+0x10/0x10
[  457.188298][ T8863]  ? kernfs_path_from_node+0x250/0x290
[  457.188320][ T8863]  ? kernfs_path_from_node+0x2f/0x290
[  457.188347][ T8863]  sysfs_create_dir_ns+0x259/0x280
[  457.188373][ T8863]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  457.188398][ T8863]  ? do_raw_spin_unlock+0x122/0x240
[  457.188424][ T8863]  kobject_add_internal+0x59f/0xb70
[  457.188473][ T8863]  kobject_init_and_add+0x125/0x190
[  457.188508][ T8863]  ? __pfx_kobject_init_and_add+0x10/0x10
[  457.188538][ T8863]  ? __raw_spin_lock_init+0x45/0x100
[  457.188560][ T8863]  ? __init_swait_queue_head+0xa9/0x150
[  457.188594][ T8863]  gfs2_sys_fs_add+0x234/0x450
[  457.188619][ T8863]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  457.188648][ T8863]  ? is_dynamic_key+0xd6/0x1c0
[  457.188671][ T8863]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  457.188708][ T8863]  gfs2_fill_super+0x13d1/0x2270
[  457.188760][ T8863]  ? __pfx_gfs2_fill_super+0x10/0x10
[  457.188804][ T8863]  ? sb_set_blocksize+0x104/0x180
[  457.188838][ T8863]  ? setup_bdev_super+0x4c1/0x5b0
[  457.188868][ T8863]  get_tree_bdev_flags+0x40e/0x4d0
[  457.188894][ T8863]  ? __pfx_gfs2_fill_super+0x10/0x10
[  457.188921][ T8863]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  457.188944][ T8863]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  457.188985][ T8863]  gfs2_get_tree+0x51/0x1e0
[  457.189022][ T8863]  vfs_get_tree+0x92/0x2b0
[  457.189068][ T8863]  do_new_mount+0x302/0xa10
[  457.189106][ T8863]  ? apparmor_capable+0x137/0x1b0
[  457.189135][ T8863]  ? __pfx_do_new_mount+0x10/0x10
[  457.189162][ T8863]  ? ns_capable+0x8a/0xf0
[  457.189192][ T8863]  ? kmem_cache_free+0x19b/0x690
[  457.189224][ T8863]  __se_sys_mount+0x313/0x410
[  457.189258][ T8863]  ? __pfx___se_sys_mount+0x10/0x10
[  457.189290][ T8863]  ? do_syscall_64+0xbe/0xfa0
[  457.189315][ T8863]  ? __x64_sys_mount+0x20/0xc0
[  457.189345][ T8863]  do_syscall_64+0xfa/0xfa0
[  457.189372][ T8863]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  457.189391][ T8863]  ? clear_bhb_loop+0x60/0xb0
[  457.189414][ T8863]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  457.189434][ T8863] RIP: 0033:0x7f67e7f9038a
[  457.189453][ T8863] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  457.189472][ T8863] RSP: 002b:00007f67e75fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  457.189494][ T8863] RAX: ffffffffffffffda RBX: 00007f67e75fdef0 RCX: 00007f67e7f9038a
[  457.189509][ T8863] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f67e75fdeb0
[  457.189523][ T8863] RBP: 000020000001f680 R08: 00007f67e75fdef0 R09: 0000000000000084
[  457.189535][ T8863] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  457.189547][ T8863] R13: 00007f67e75fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  457.189581][ T8863]  </TASK>
[  457.280755][ T8867] loop2: detected capacity change from 0 to 32768
[  457.287050][ T8863] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  457.416662][ T8865] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  457.419190][ T8863] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  457.432461][ T8867] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  457.476481][ T8865] CPU: 1 UID: 0 PID: 8865 Comm: syz.3.472 Not tainted syzkaller #0 PREEMPT(full) 
[  457.476508][ T8865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  457.476520][ T8865] Call Trace:
[  457.476528][ T8865]  <TASK>
[  457.476536][ T8865]  dump_stack_lvl+0x189/0x250
[  457.476572][ T8865]  ? __pfx_dump_stack_lvl+0x10/0x10
[  457.476599][ T8865]  ? __pfx__printk+0x10/0x10
[  457.476627][ T8865]  ? kernfs_path_from_node+0x250/0x290
[  457.476648][ T8865]  ? kernfs_path_from_node+0x2f/0x290
[  457.476674][ T8865]  sysfs_create_dir_ns+0x259/0x280
[  457.476698][ T8865]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  457.476721][ T8865]  ? do_raw_spin_unlock+0x122/0x240
[  457.476745][ T8865]  kobject_add_internal+0x59f/0xb70
[  457.476782][ T8865]  kobject_init_and_add+0x125/0x190
[  457.476816][ T8865]  ? __pfx_kobject_init_and_add+0x10/0x10
[  457.476844][ T8865]  ? __raw_spin_lock_init+0x45/0x100
[  457.476864][ T8865]  ? __init_swait_queue_head+0xa9/0x150
[  457.476896][ T8865]  gfs2_sys_fs_add+0x234/0x450
[  457.476919][ T8865]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  457.476947][ T8865]  ? is_dynamic_key+0xd6/0x1c0
[  457.476976][ T8865]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  457.477016][ T8865]  gfs2_fill_super+0x13d1/0x2270
[  457.477059][ T8865]  ? __pfx_gfs2_fill_super+0x10/0x10
[  457.477089][ T8865]  ? sb_set_blocksize+0x104/0x180
[  457.477121][ T8865]  ? setup_bdev_super+0x4c1/0x5b0
[  457.477148][ T8865]  get_tree_bdev_flags+0x40e/0x4d0
[  457.477171][ T8865]  ? __pfx_gfs2_fill_super+0x10/0x10
[  457.477196][ T8865]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  457.477217][ T8865]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  457.477247][ T8865]  gfs2_get_tree+0x51/0x1e0
[  457.477276][ T8865]  vfs_get_tree+0x92/0x2b0
[  457.477301][ T8865]  do_new_mount+0x302/0xa10
[  457.477324][ T8865]  ? apparmor_capable+0x137/0x1b0
[  457.477351][ T8865]  ? __pfx_do_new_mount+0x10/0x10
[  457.477375][ T8865]  ? ns_capable+0x8a/0xf0
[  457.477402][ T8865]  ? kmem_cache_free+0x19b/0x690
[  457.477432][ T8865]  __se_sys_mount+0x313/0x410
[  457.477464][ T8865]  ? __pfx___se_sys_mount+0x10/0x10
[  457.477494][ T8865]  ? do_syscall_64+0xbe/0xfa0
[  457.477517][ T8865]  ? __x64_sys_mount+0x20/0xc0
[  457.477545][ T8865]  do_syscall_64+0xfa/0xfa0
[  457.477570][ T8865]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  457.477588][ T8865]  ? clear_bhb_loop+0x60/0xb0
[  457.477611][ T8865]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  457.477628][ T8865] RIP: 0033:0x7fa20eb9038a
[  457.477646][ T8865] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  457.477662][ T8865] RSP: 002b:00007fa20fa79e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  457.477684][ T8865] RAX: ffffffffffffffda RBX: 00007fa20fa79ef0 RCX: 00007fa20eb9038a
[  457.477698][ T8865] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fa20fa79eb0
[  457.477711][ T8865] RBP: 000020000001f680 R08: 00007fa20fa79ef0 R09: 0000000000000084
[  457.477723][ T8865] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  457.477736][ T8865] R13: 00007fa20fa79eb0 R14: 000000000001f790 R15: 00002000000001c0
[  457.477768][ T8865]  </TASK>
[  457.477816][ T8865] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  457.572267][ T8867] CPU: 0 UID: 0 PID: 8867 Comm: syz.2.470 Not tainted syzkaller #0 PREEMPT(full) 
[  457.572295][ T8867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  457.572307][ T8867] Call Trace:
[  457.572316][ T8867]  <TASK>
[  457.572324][ T8867]  dump_stack_lvl+0x189/0x250
[  457.572360][ T8867]  ? __pfx_dump_stack_lvl+0x10/0x10
[  457.572388][ T8867]  ? __pfx__printk+0x10/0x10
[  457.572416][ T8867]  ? kernfs_path_from_node+0x250/0x290
[  457.572437][ T8867]  ? kernfs_path_from_node+0x2f/0x290
[  457.572462][ T8867]  sysfs_create_dir_ns+0x259/0x280
[  457.572487][ T8867]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  457.572511][ T8867]  ? do_raw_spin_unlock+0x122/0x240
[  457.572535][ T8867]  kobject_add_internal+0x59f/0xb70
[  457.572571][ T8867]  kobject_init_and_add+0x125/0x190
[  457.572604][ T8867]  ? __pfx_kobject_init_and_add+0x10/0x10
[  457.572633][ T8867]  ? __raw_spin_lock_init+0x45/0x100
[  457.572653][ T8867]  ? __init_swait_queue_head+0xa9/0x150
[  457.572686][ T8867]  gfs2_sys_fs_add+0x234/0x450
[  457.572719][ T8867]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  457.572746][ T8867]  ? is_dynamic_key+0xd6/0x1c0
[  457.572767][ T8867]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  457.572801][ T8867]  gfs2_fill_super+0x13d1/0x2270
[  457.572843][ T8867]  ? __pfx_gfs2_fill_super+0x10/0x10
[  457.572873][ T8867]  ? sb_set_blocksize+0x104/0x180
[  457.572904][ T8867]  ? setup_bdev_super+0x4c1/0x5b0
[  457.572931][ T8867]  get_tree_bdev_flags+0x40e/0x4d0
[  457.572955][ T8867]  ? __pfx_gfs2_fill_super+0x10/0x10
[  457.572980][ T8867]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  457.573000][ T8867]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  457.573031][ T8867]  gfs2_get_tree+0x51/0x1e0
[  457.573059][ T8867]  vfs_get_tree+0x92/0x2b0
[  457.573085][ T8867]  do_new_mount+0x302/0xa10
[  457.573107][ T8867]  ? apparmor_capable+0x137/0x1b0
[  457.573134][ T8867]  ? __pfx_do_new_mount+0x10/0x10
[  457.573159][ T8867]  ? ns_capable+0x8a/0xf0
[  457.573185][ T8867]  ? kmem_cache_free+0x19b/0x690
[  457.573216][ T8867]  __se_sys_mount+0x313/0x410
[  457.573247][ T8867]  ? __pfx___se_sys_mount+0x10/0x10
[  457.573277][ T8867]  ? do_syscall_64+0xbe/0xfa0
[  457.573299][ T8867]  ? __x64_sys_mount+0x20/0xc0
[  457.573326][ T8867]  do_syscall_64+0xfa/0xfa0
[  457.573352][ T8867]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  457.573371][ T8867]  ? clear_bhb_loop+0x60/0xb0
[  457.573393][ T8867]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  457.573412][ T8867] RIP: 0033:0x7efc4599038a
[  457.573429][ T8867] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  457.573445][ T8867] RSP: 002b:00007efc4684ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  457.573466][ T8867] RAX: ffffffffffffffda RBX: 00007efc4684eef0 RCX: 00007efc4599038a
[  457.573479][ T8867] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efc4684eeb0
[  457.573492][ T8867] RBP: 000020000001f680 R08: 00007efc4684eef0 R09: 0000000000000084
[  457.573504][ T8867] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  457.573517][ T8867] R13: 00007efc4684eeb0 R14: 000000000001f790 R15: 00002000000001c0
[  457.573550][ T8867]  </TASK>
[  457.573578][ T8867] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  457.577645][ T8865] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  457.654198][ T8867] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  459.817712][ T8883] loop0: detected capacity change from 0 to 32768
[  459.888601][ T8883] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  459.906712][ T8887] loop3: detected capacity change from 0 to 32768
[  459.922656][ T8885] loop1: detected capacity change from 0 to 32768
[  459.933913][ T8883] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  459.970070][ T8885] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  459.990835][ T8887] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  460.024999][ T8887] CPU: 0 UID: 0 PID: 8887 Comm: syz.3.475 Not tainted syzkaller #0 PREEMPT(full) 
[  460.025031][ T8887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  460.025044][ T8887] Call Trace:
[  460.025053][ T8887]  <TASK>
[  460.025063][ T8887]  dump_stack_lvl+0x189/0x250
[  460.025103][ T8887]  ? __pfx_dump_stack_lvl+0x10/0x10
[  460.025134][ T8887]  ? __pfx__printk+0x10/0x10
[  460.025166][ T8887]  ? kernfs_path_from_node+0x250/0x290
[  460.025190][ T8887]  ? kernfs_path_from_node+0x2f/0x290
[  460.025218][ T8887]  sysfs_create_dir_ns+0x259/0x280
[  460.025246][ T8887]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  460.025272][ T8887]  ? do_raw_spin_unlock+0x122/0x240
[  460.025298][ T8887]  kobject_add_internal+0x59f/0xb70
[  460.025340][ T8887]  kobject_init_and_add+0x125/0x190
[  460.025377][ T8887]  ? __pfx_kobject_init_and_add+0x10/0x10
[  460.025408][ T8887]  ? __raw_spin_lock_init+0x45/0x100
[  460.025431][ T8887]  ? __init_swait_queue_head+0xa9/0x150
[  460.025477][ T8887]  gfs2_sys_fs_add+0x234/0x450
[  460.025503][ T8887]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  460.025534][ T8887]  ? is_dynamic_key+0xd6/0x1c0
[  460.025557][ T8887]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  460.025595][ T8887]  gfs2_fill_super+0x13d1/0x2270
[  460.025642][ T8887]  ? __pfx_gfs2_fill_super+0x10/0x10
[  460.025677][ T8887]  ? sb_set_blocksize+0x104/0x180
[  460.025724][ T8887]  ? setup_bdev_super+0x4c1/0x5b0
[  460.025755][ T8887]  get_tree_bdev_flags+0x40e/0x4d0
[  460.025781][ T8887]  ? __pfx_gfs2_fill_super+0x10/0x10
[  460.025809][ T8887]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  460.025831][ T8887]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  460.025865][ T8887]  gfs2_get_tree+0x51/0x1e0
[  460.025896][ T8887]  vfs_get_tree+0x92/0x2b0
[  460.025924][ T8887]  do_new_mount+0x302/0xa10
[  460.025948][ T8887]  ? apparmor_capable+0x137/0x1b0
[  460.025977][ T8887]  ? __pfx_do_new_mount+0x10/0x10
[  460.026004][ T8887]  ? ns_capable+0x8a/0xf0
[  460.026034][ T8887]  ? kmem_cache_free+0x19b/0x690
[  460.026068][ T8887]  __se_sys_mount+0x313/0x410
[  460.026103][ T8887]  ? __pfx___se_sys_mount+0x10/0x10
[  460.026136][ T8887]  ? do_syscall_64+0xbe/0xfa0
[  460.026162][ T8887]  ? __x64_sys_mount+0x20/0xc0
[  460.026193][ T8887]  do_syscall_64+0xfa/0xfa0
[  460.026221][ T8887]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  460.026242][ T8887]  ? clear_bhb_loop+0x60/0xb0
[  460.026267][ T8887]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  460.026287][ T8887] RIP: 0033:0x7fa20eb9038a
[  460.026309][ T8887] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  460.026327][ T8887] RSP: 002b:00007fa20fa79e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  460.026351][ T8887] RAX: ffffffffffffffda RBX: 00007fa20fa79ef0 RCX: 00007fa20eb9038a
[  460.026365][ T8887] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fa20fa79eb0
[  460.026377][ T8887] RBP: 000020000001f680 R08: 00007fa20fa79ef0 R09: 0000000000000084
[  460.026388][ T8887] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  460.026407][ T8887] R13: 00007fa20fa79eb0 R14: 000000000001f790 R15: 00002000000001c0
[  460.026437][ T8887]  </TASK>
[  460.026454][ T8885] CPU: 1 UID: 0 PID: 8885 Comm: syz.1.474 Not tainted syzkaller #0 PREEMPT(full) 
[  460.026478][ T8885] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  460.026490][ T8885] Call Trace:
[  460.026499][ T8885]  <TASK>
[  460.026507][ T8885]  dump_stack_lvl+0x189/0x250
[  460.026542][ T8885]  ? __pfx_dump_stack_lvl+0x10/0x10
[  460.026572][ T8885]  ? __pfx__printk+0x10/0x10
[  460.026603][ T8885]  ? kernfs_path_from_node+0x250/0x290
[  460.026626][ T8885]  ? kernfs_path_from_node+0x2f/0x290
[  460.026654][ T8885]  sysfs_create_dir_ns+0x259/0x280
[  460.026681][ T8885]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  460.026706][ T8885]  ? do_raw_spin_unlock+0x122/0x240
[  460.026710][ T8887] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  460.026732][ T8885]  kobject_add_internal+0x59f/0xb70
[  460.026766][ T8885]  kobject_init_and_add+0x125/0x190
[  460.026797][ T8885]  ? __pfx_kobject_init_and_add+0x10/0x10
[  460.026826][ T8885]  ? __raw_spin_lock_init+0x45/0x100
[  460.026847][ T8885]  ? __init_swait_queue_head+0xa9/0x150
[  460.026878][ T8885]  gfs2_sys_fs_add+0x234/0x450
[  460.026902][ T8885]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  460.026929][ T8885]  ? is_dynamic_key+0xd6/0x1c0
[  460.026959][ T8885]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  460.026993][ T8885]  gfs2_fill_super+0x13d1/0x2270
[  460.027035][ T8885]  ? __pfx_gfs2_fill_super+0x10/0x10
[  460.027066][ T8885]  ? sb_set_blocksize+0x104/0x180
[  460.027096][ T8885]  ? setup_bdev_super+0x4c1/0x5b0
[  460.027123][ T8885]  get_tree_bdev_flags+0x40e/0x4d0
[  460.027146][ T8885]  ? __pfx_gfs2_fill_super+0x10/0x10
[  460.027171][ T8885]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  460.027193][ T8885]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  460.027222][ T8885]  gfs2_get_tree+0x51/0x1e0
[  460.027250][ T8885]  vfs_get_tree+0x92/0x2b0
[  460.027276][ T8885]  do_new_mount+0x302/0xa10
[  460.027298][ T8885]  ? apparmor_capable+0x137/0x1b0
[  460.027325][ T8885]  ? __pfx_do_new_mount+0x10/0x10
[  460.027350][ T8885]  ? ns_capable+0x8a/0xf0
[  460.027375][ T8885]  ? kmem_cache_free+0x19b/0x690
[  460.027405][ T8885]  __se_sys_mount+0x313/0x410
[  460.027437][ T8885]  ? __pfx___se_sys_mount+0x10/0x10
[  460.027466][ T8885]  ? do_syscall_64+0xbe/0xfa0
[  460.027489][ T8885]  ? __x64_sys_mount+0x20/0xc0
[  460.027517][ T8885]  do_syscall_64+0xfa/0xfa0
[  460.027542][ T8885]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  460.027560][ T8885]  ? clear_bhb_loop+0x60/0xb0
[  460.027582][ T8885]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  460.027599][ T8885] RIP: 0033:0x7f67e7f9038a
[  460.027615][ T8885] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  460.027630][ T8885] RSP: 002b:00007f67e75fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  460.027649][ T8885] RAX: ffffffffffffffda RBX: 00007f67e75fdef0 RCX: 00007f67e7f9038a
[  460.027662][ T8885] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f67e75fdeb0
[  460.027676][ T8885] RBP: 000020000001f680 R08: 00007f67e75fdef0 R09: 0000000000000084
[  460.027688][ T8885] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  460.027700][ T8885] R13: 00007f67e75fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  460.027733][ T8885]  </TASK>
2025/11/08 14:38:28 executed programs: 471
[  460.027757][ T8885] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  460.053845][ T8887] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  460.135994][ T8885] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  460.170145][ T8883] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[  460.198746][ T8889] loop2: detected capacity change from 0 to 32768
[  460.267296][  T794] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  460.653486][ T8889] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  460.663491][  T794] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  460.743518][ T8889] CPU: 0 UID: 0 PID: 8889 Comm: syz.2.477 Not tainted syzkaller #0 PREEMPT(full) 
[  460.743550][ T8889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  460.743563][ T8889] Call Trace:
[  460.743572][ T8889]  <TASK>
[  460.743581][ T8889]  dump_stack_lvl+0x189/0x250
[  460.743622][ T8889]  ? __pfx_dump_stack_lvl+0x10/0x10
[  460.743652][ T8889]  ? __pfx__printk+0x10/0x10
[  460.743683][ T8889]  ? kernfs_path_from_node+0x250/0x290
[  460.743707][ T8889]  ? kernfs_path_from_node+0x2f/0x290
[  460.743735][ T8889]  sysfs_create_dir_ns+0x259/0x280
[  460.743764][ T8889]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  460.743789][ T8889]  ? do_raw_spin_unlock+0x122/0x240
[  460.743815][ T8889]  kobject_add_internal+0x59f/0xb70
[  460.743857][ T8889]  kobject_init_and_add+0x125/0x190
[  460.743894][ T8889]  ? __pfx_kobject_init_and_add+0x10/0x10
[  460.743925][ T8889]  ? __raw_spin_lock_init+0x45/0x100
[  460.743948][ T8889]  ? __init_swait_queue_head+0xa9/0x150
[  460.743985][ T8889]  gfs2_sys_fs_add+0x234/0x450
[  460.744012][ T8889]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  460.744051][ T8889]  ? is_dynamic_key+0xd6/0x1c0
[  460.744075][ T8889]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  460.744113][ T8889]  gfs2_fill_super+0x13d1/0x2270
[  460.744161][ T8889]  ? __pfx_gfs2_fill_super+0x10/0x10
[  460.744194][ T8889]  ? sb_set_blocksize+0x104/0x180
[  460.744229][ T8889]  ? setup_bdev_super+0x4c1/0x5b0
[  460.744259][ T8889]  get_tree_bdev_flags+0x40e/0x4d0
[  460.744284][ T8889]  ? __pfx_gfs2_fill_super+0x10/0x10
[  460.744313][ T8889]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  460.744336][ T8889]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  460.744370][ T8889]  gfs2_get_tree+0x51/0x1e0
[  460.744402][ T8889]  vfs_get_tree+0x92/0x2b0
[  460.744431][ T8889]  do_new_mount+0x302/0xa10
[  460.744457][ T8889]  ? apparmor_capable+0x137/0x1b0
[  460.744487][ T8889]  ? __pfx_do_new_mount+0x10/0x10
[  460.744515][ T8889]  ? ns_capable+0x8a/0xf0
[  460.744544][ T8889]  ? kmem_cache_free+0x19b/0x690
[  460.744578][ T8889]  __se_sys_mount+0x313/0x410
[  460.744614][ T8889]  ? __pfx___se_sys_mount+0x10/0x10
[  460.744647][ T8889]  ? do_syscall_64+0xbe/0xfa0
[  460.744672][ T8889]  ? __x64_sys_mount+0x20/0xc0
[  460.744703][ T8889]  do_syscall_64+0xfa/0xfa0
[  460.744730][ T8889]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  460.744751][ T8889]  ? clear_bhb_loop+0x60/0xb0
[  460.744776][ T8889]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  460.744795][ T8889] RIP: 0033:0x7efc4599038a
[  460.744815][ T8889] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  460.744832][ T8889] RSP: 002b:00007efc4684ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  460.744855][ T8889] RAX: ffffffffffffffda RBX: 00007efc4684eef0 RCX: 00007efc4599038a
[  460.744871][ T8889] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efc4684eeb0
[  460.744886][ T8889] RBP: 000020000001f680 R08: 00007efc4684eef0 R09: 0000000000000084
[  460.744900][ T8889] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  460.744913][ T8889] R13: 00007efc4684eeb0 R14: 000000000001f790 R15: 00002000000001c0
[  460.744950][ T8889]  </TASK>
[  460.744980][ T8889] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  460.813452][ T8891] loop4: detected capacity change from 0 to 32768
[  460.968976][ T8889] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  461.113600][ T8891] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  461.119793][  T794] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 456ms
[  461.121225][ T8891] CPU: 1 UID: 0 PID: 8891 Comm: syz.4.476 Not tainted syzkaller #0 PREEMPT(full) 
[  461.121249][ T8891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  461.121261][ T8891] Call Trace:
[  461.121269][ T8891]  <TASK>
[  461.121277][ T8891]  dump_stack_lvl+0x189/0x250
[  461.121313][ T8891]  ? __pfx_dump_stack_lvl+0x10/0x10
[  461.121339][ T8891]  ? __pfx__printk+0x10/0x10
[  461.121367][ T8891]  ? kernfs_path_from_node+0x250/0x290
[  461.121388][ T8891]  ? kernfs_path_from_node+0x2f/0x290
[  461.121414][ T8891]  sysfs_create_dir_ns+0x259/0x280
[  461.121438][ T8891]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  461.121461][ T8891]  ? do_raw_spin_unlock+0x122/0x240
[  461.121485][ T8891]  kobject_add_internal+0x59f/0xb70
[  461.121522][ T8891]  kobject_init_and_add+0x125/0x190
[  461.121555][ T8891]  ? __pfx_kobject_init_and_add+0x10/0x10
[  461.121583][ T8891]  ? __raw_spin_lock_init+0x45/0x100
[  461.121604][ T8891]  ? __init_swait_queue_head+0xa9/0x150
[  461.121636][ T8891]  gfs2_sys_fs_add+0x234/0x450
[  461.121660][ T8891]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  461.121687][ T8891]  ? is_dynamic_key+0xd6/0x1c0
[  461.121708][ T8891]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  461.121742][ T8891]  gfs2_fill_super+0x13d1/0x2270
[  461.121791][ T8891]  ? __pfx_gfs2_fill_super+0x10/0x10
[  461.121822][ T8891]  ? sb_set_blocksize+0x104/0x180
[  461.121852][ T8891]  ? setup_bdev_super+0x4c1/0x5b0
[  461.121880][ T8891]  get_tree_bdev_flags+0x40e/0x4d0
[  461.121904][ T8891]  ? __pfx_gfs2_fill_super+0x10/0x10
[  461.121929][ T8891]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  461.121950][ T8891]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  461.121980][ T8891]  gfs2_get_tree+0x51/0x1e0
[  461.122008][ T8891]  vfs_get_tree+0x92/0x2b0
[  461.122035][ T8891]  do_new_mount+0x302/0xa10
[  461.122058][ T8891]  ? apparmor_capable+0x137/0x1b0
[  461.122084][ T8891]  ? __pfx_do_new_mount+0x10/0x10
[  461.122109][ T8891]  ? ns_capable+0x8a/0xf0
[  461.122135][ T8891]  ? kmem_cache_free+0x19b/0x690
[  461.122170][ T8891]  __se_sys_mount+0x313/0x410
[  461.122202][ T8891]  ? __pfx___se_sys_mount+0x10/0x10
[  461.122232][ T8891]  ? do_syscall_64+0xbe/0xfa0
[  461.122255][ T8891]  ? __x64_sys_mount+0x20/0xc0
[  461.122282][ T8891]  do_syscall_64+0xfa/0xfa0
[  461.122307][ T8891]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  461.122325][ T8891]  ? clear_bhb_loop+0x60/0xb0
[  461.122347][ T8891]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  461.122365][ T8891] RIP: 0033:0x7f7581b9038a
[  461.122382][ T8891] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  461.122398][ T8891] RSP: 002b:00007f758297ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  461.122418][ T8891] RAX: ffffffffffffffda RBX: 00007f758297cef0 RCX: 00007f7581b9038a
[  461.122432][ T8891] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f758297ceb0
[  461.122445][ T8891] RBP: 000020000001f680 R08: 00007f758297cef0 R09: 0000000000000084
[  461.122457][ T8891] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  461.122469][ T8891] R13: 00007f758297ceb0 R14: 000000000001f790 R15: 00002000000001c0
[  461.122501][ T8891]  </TASK>
[  461.134592][ T8891] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  461.172984][  T794] gfs2: fsid=syz:syz.0: jid=0: Done
[  461.466250][ T8891] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  461.823218][ T8883] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  461.908323][ T8883] gfs2: fsid=syz:syz.0: can't create logd thread: -4
[  462.335155][ T8901] loop1: detected capacity change from 0 to 32768
[  462.364133][ T8901] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  462.428218][ T8901] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  462.511357][ T8901] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[  462.554241][  T793] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  462.561066][  T793] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  462.752967][  T793] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 191ms
[  462.771919][  T793] gfs2: fsid=syz:syz.0: jid=0: Done
[  462.787826][ T8901] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  463.395765][ T8905] loop3: detected capacity change from 0 to 32768
[  463.442439][ T8905] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  463.450984][ T8905] CPU: 1 UID: 0 PID: 8905 Comm: syz.3.479 Not tainted syzkaller #0 PREEMPT(full) 
[  463.451010][ T8905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  463.451023][ T8905] Call Trace:
[  463.451031][ T8905]  <TASK>
[  463.451039][ T8905]  dump_stack_lvl+0x189/0x250
[  463.451079][ T8905]  ? __pfx_dump_stack_lvl+0x10/0x10
[  463.451108][ T8905]  ? __pfx__printk+0x10/0x10
[  463.451136][ T8905]  ? kernfs_path_from_node+0x250/0x290
[  463.451157][ T8905]  ? kernfs_path_from_node+0x2f/0x290
[  463.451185][ T8905]  sysfs_create_dir_ns+0x259/0x280
[  463.451212][ T8905]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  463.451237][ T8905]  ? do_raw_spin_unlock+0x122/0x240
[  463.451263][ T8905]  kobject_add_internal+0x59f/0xb70
[  463.451303][ T8905]  kobject_init_and_add+0x125/0x190
[  463.451339][ T8905]  ? __pfx_kobject_init_and_add+0x10/0x10
[  463.451369][ T8905]  ? __raw_spin_lock_init+0x45/0x100
[  463.451391][ T8905]  ? __init_swait_queue_head+0xa9/0x150
[  463.451426][ T8905]  gfs2_sys_fs_add+0x234/0x450
[  463.451450][ T8905]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  463.451480][ T8905]  ? is_dynamic_key+0xd6/0x1c0
[  463.451503][ T8905]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  463.451539][ T8905]  gfs2_fill_super+0x13d1/0x2270
[  463.451584][ T8905]  ? __pfx_gfs2_fill_super+0x10/0x10
[  463.451615][ T8905]  ? sb_set_blocksize+0x104/0x180
[  463.451649][ T8905]  ? setup_bdev_super+0x4c1/0x5b0
[  463.451677][ T8905]  get_tree_bdev_flags+0x40e/0x4d0
[  463.451702][ T8905]  ? __pfx_gfs2_fill_super+0x10/0x10
[  463.451730][ T8905]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  463.451753][ T8905]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  463.451785][ T8905]  gfs2_get_tree+0x51/0x1e0
[  463.451816][ T8905]  vfs_get_tree+0x92/0x2b0
[  463.451845][ T8905]  do_new_mount+0x302/0xa10
[  463.451870][ T8905]  ? apparmor_capable+0x137/0x1b0
[  463.451898][ T8905]  ? __pfx_do_new_mount+0x10/0x10
[  463.451924][ T8905]  ? ns_capable+0x8a/0xf0
[  463.451962][ T8905]  ? kmem_cache_free+0x19b/0x690
[  463.451995][ T8905]  __se_sys_mount+0x313/0x410
[  463.452029][ T8905]  ? __pfx___se_sys_mount+0x10/0x10
[  463.452062][ T8905]  ? do_syscall_64+0xbe/0xfa0
[  463.452088][ T8905]  ? __x64_sys_mount+0x20/0xc0
[  463.452117][ T8905]  do_syscall_64+0xfa/0xfa0
[  463.452144][ T8905]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  463.452169][ T8905]  ? clear_bhb_loop+0x60/0xb0
[  463.452195][ T8905]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  463.452214][ T8905] RIP: 0033:0x7fa20eb9038a
[  463.452233][ T8905] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  463.452251][ T8905] RSP: 002b:00007fa20fa79e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  463.452274][ T8905] RAX: ffffffffffffffda RBX: 00007fa20fa79ef0 RCX: 00007fa20eb9038a
[  463.452289][ T8905] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fa20fa79eb0
[  463.452303][ T8905] RBP: 000020000001f680 R08: 00007fa20fa79ef0 R09: 0000000000000084
[  463.452316][ T8905] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  463.452330][ T8905] R13: 00007fa20fa79eb0 R14: 000000000001f790 R15: 00002000000001c0
[  463.452365][ T8905]  </TASK>
[  463.477894][ T8907] loop2: detected capacity change from 0 to 32768
[  463.494573][ T8910] loop4: detected capacity change from 0 to 32768
[  463.527719][ T8905] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  463.594845][ T8914] loop0: detected capacity change from 0 to 32768
[  463.628652][ T8905] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  463.676723][ T8907] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  463.822400][ T8907] CPU: 0 UID: 0 PID: 8907 Comm: syz.2.480 Not tainted syzkaller #0 PREEMPT(full) 
[  463.822429][ T8907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  463.822442][ T8907] Call Trace:
[  463.822451][ T8907]  <TASK>
[  463.822460][ T8907]  dump_stack_lvl+0x189/0x250
[  463.822510][ T8907]  ? __pfx_dump_stack_lvl+0x10/0x10
[  463.822540][ T8907]  ? __pfx__printk+0x10/0x10
[  463.822571][ T8907]  ? kernfs_path_from_node+0x250/0x290
[  463.822594][ T8907]  ? kernfs_path_from_node+0x2f/0x290
[  463.822622][ T8907]  sysfs_create_dir_ns+0x259/0x280
[  463.822650][ T8907]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  463.822676][ T8907]  ? do_raw_spin_unlock+0x122/0x240
[  463.822703][ T8907]  kobject_add_internal+0x59f/0xb70
[  463.822753][ T8907]  kobject_init_and_add+0x125/0x190
[  463.822790][ T8907]  ? __pfx_kobject_init_and_add+0x10/0x10
[  463.822822][ T8907]  ? __raw_spin_lock_init+0x45/0x100
[  463.822844][ T8907]  ? __init_swait_queue_head+0xa9/0x150
[  463.822878][ T8907]  gfs2_sys_fs_add+0x234/0x450
[  463.822904][ T8907]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  463.822933][ T8907]  ? is_dynamic_key+0xd6/0x1c0
[  463.822956][ T8907]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  463.822992][ T8907]  gfs2_fill_super+0x13d1/0x2270
[  463.823038][ T8907]  ? __pfx_gfs2_fill_super+0x10/0x10
[  463.823072][ T8907]  ? sb_set_blocksize+0x104/0x180
[  463.823106][ T8907]  ? setup_bdev_super+0x4c1/0x5b0
[  463.823136][ T8907]  get_tree_bdev_flags+0x40e/0x4d0
[  463.823162][ T8907]  ? __pfx_gfs2_fill_super+0x10/0x10
[  463.823190][ T8907]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  463.823213][ T8907]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  463.823246][ T8907]  gfs2_get_tree+0x51/0x1e0
[  463.823277][ T8907]  vfs_get_tree+0x92/0x2b0
[  463.823306][ T8907]  do_new_mount+0x302/0xa10
[  463.823331][ T8907]  ? apparmor_capable+0x137/0x1b0
[  463.823358][ T8907]  ? __pfx_do_new_mount+0x10/0x10
[  463.823384][ T8907]  ? ns_capable+0x8a/0xf0
[  463.823414][ T8907]  ? kmem_cache_free+0x19b/0x690
[  463.823447][ T8907]  __se_sys_mount+0x313/0x410
[  463.823480][ T8907]  ? __pfx___se_sys_mount+0x10/0x10
[  463.823512][ T8907]  ? do_syscall_64+0xbe/0xfa0
[  463.823537][ T8907]  ? __x64_sys_mount+0x20/0xc0
[  463.823568][ T8907]  do_syscall_64+0xfa/0xfa0
[  463.823596][ T8907]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  463.823615][ T8907]  ? clear_bhb_loop+0x60/0xb0
[  463.823641][ T8907]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  463.823659][ T8907] RIP: 0033:0x7efc4599038a
[  463.823688][ T8907] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  463.823705][ T8907] RSP: 002b:00007efc4684ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  463.823736][ T8907] RAX: ffffffffffffffda RBX: 00007efc4684eef0 RCX: 00007efc4599038a
[  463.823752][ T8907] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efc4684eeb0
[  463.823766][ T8907] RBP: 000020000001f680 R08: 00007efc4684eef0 R09: 0000000000000084
[  463.823780][ T8907] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  463.823794][ T8907] R13: 00007efc4684eeb0 R14: 000000000001f790 R15: 00002000000001c0
[  463.823829][ T8907]  </TASK>
[  463.823858][ T8907] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  463.875308][ T8910] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  464.057666][ T8907] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  464.177623][ T8910] CPU: 1 UID: 0 PID: 8910 Comm: syz.4.481 Not tainted syzkaller #0 PREEMPT(full) 
[  464.177646][ T8914] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  464.177651][ T8910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  464.177666][ T8910] Call Trace:
[  464.177674][ T8910]  <TASK>
[  464.177683][ T8910]  dump_stack_lvl+0x189/0x250
[  464.177717][ T8910]  ? __pfx_dump_stack_lvl+0x10/0x10
[  464.177745][ T8910]  ? __pfx__printk+0x10/0x10
[  464.177773][ T8910]  ? kernfs_path_from_node+0x250/0x290
[  464.177794][ T8910]  ? kernfs_path_from_node+0x2f/0x290
[  464.177819][ T8910]  sysfs_create_dir_ns+0x259/0x280
[  464.177844][ T8910]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  464.177867][ T8910]  ? do_raw_spin_unlock+0x122/0x240
[  464.177891][ T8910]  kobject_add_internal+0x59f/0xb70
[  464.177938][ T8910]  kobject_init_and_add+0x125/0x190
[  464.177971][ T8910]  ? __pfx_kobject_init_and_add+0x10/0x10
[  464.178000][ T8910]  ? __raw_spin_lock_init+0x45/0x100
[  464.178021][ T8910]  ? __init_swait_queue_head+0xa9/0x150
[  464.178053][ T8910]  gfs2_sys_fs_add+0x234/0x450
[  464.178076][ T8910]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  464.178104][ T8910]  ? is_dynamic_key+0xd6/0x1c0
[  464.178125][ T8910]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  464.178158][ T8910]  gfs2_fill_super+0x13d1/0x2270
[  464.178200][ T8910]  ? __pfx_gfs2_fill_super+0x10/0x10
[  464.178232][ T8910]  ? sb_set_blocksize+0x104/0x180
[  464.178263][ T8910]  ? setup_bdev_super+0x4c1/0x5b0
[  464.178290][ T8910]  get_tree_bdev_flags+0x40e/0x4d0
[  464.178314][ T8910]  ? __pfx_gfs2_fill_super+0x10/0x10
[  464.178339][ T8910]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  464.178360][ T8910]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  464.178390][ T8910]  gfs2_get_tree+0x51/0x1e0
[  464.178419][ T8910]  vfs_get_tree+0x92/0x2b0
[  464.178445][ T8910]  do_new_mount+0x302/0xa10
[  464.178467][ T8910]  ? apparmor_capable+0x137/0x1b0
[  464.178494][ T8910]  ? __pfx_do_new_mount+0x10/0x10
[  464.178518][ T8910]  ? ns_capable+0x8a/0xf0
[  464.178545][ T8910]  ? kmem_cache_free+0x19b/0x690
[  464.178575][ T8910]  __se_sys_mount+0x313/0x410
[  464.178607][ T8910]  ? __pfx___se_sys_mount+0x10/0x10
[  464.178636][ T8910]  ? do_syscall_64+0xbe/0xfa0
[  464.178658][ T8910]  ? __x64_sys_mount+0x20/0xc0
[  464.178685][ T8910]  do_syscall_64+0xfa/0xfa0
[  464.178710][ T8910]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  464.178728][ T8910]  ? clear_bhb_loop+0x60/0xb0
[  464.178750][ T8910]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  464.178768][ T8910] RIP: 0033:0x7f7581b9038a
[  464.178786][ T8910] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  464.178802][ T8910] RSP: 002b:00007f758297ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  464.178823][ T8910] RAX: ffffffffffffffda RBX: 00007f758297cef0 RCX: 00007f7581b9038a
[  464.178838][ T8910] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f758297ceb0
[  464.178850][ T8910] RBP: 000020000001f680 R08: 00007f758297cef0 R09: 0000000000000084
[  464.178863][ T8910] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  464.178875][ T8910] R13: 00007f758297ceb0 R14: 000000000001f790 R15: 00002000000001c0
[  464.178908][ T8910]  </TASK>
[  464.178940][ T8910] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  464.302079][ T8914] CPU: 0 UID: 0 PID: 8914 Comm: syz.0.482 Not tainted syzkaller #0 PREEMPT(full) 
[  464.302106][ T8914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  464.302118][ T8914] Call Trace:
[  464.302126][ T8914]  <TASK>
[  464.302134][ T8914]  dump_stack_lvl+0x189/0x250
[  464.302175][ T8914]  ? __pfx_dump_stack_lvl+0x10/0x10
[  464.302203][ T8914]  ? __pfx__printk+0x10/0x10
[  464.302231][ T8914]  ? kernfs_path_from_node+0x250/0x290
[  464.302252][ T8914]  ? kernfs_path_from_node+0x2f/0x290
[  464.302278][ T8914]  sysfs_create_dir_ns+0x259/0x280
[  464.302302][ T8914]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  464.302325][ T8914]  ? do_raw_spin_unlock+0x122/0x240
[  464.302349][ T8914]  kobject_add_internal+0x59f/0xb70
[  464.302385][ T8914]  kobject_init_and_add+0x125/0x190
[  464.302418][ T8914]  ? __pfx_kobject_init_and_add+0x10/0x10
[  464.302447][ T8914]  ? __raw_spin_lock_init+0x45/0x100
[  464.302467][ T8914]  ? __init_swait_queue_head+0xa9/0x150
[  464.302500][ T8914]  gfs2_sys_fs_add+0x234/0x450
[  464.302524][ T8914]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  464.302551][ T8914]  ? is_dynamic_key+0xd6/0x1c0
[  464.302572][ T8914]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  464.302606][ T8914]  gfs2_fill_super+0x13d1/0x2270
[  464.302648][ T8914]  ? __pfx_gfs2_fill_super+0x10/0x10
[  464.302687][ T8914]  ? sb_set_blocksize+0x104/0x180
[  464.302718][ T8914]  ? setup_bdev_super+0x4c1/0x5b0
[  464.302746][ T8914]  get_tree_bdev_flags+0x40e/0x4d0
[  464.302769][ T8914]  ? __pfx_gfs2_fill_super+0x10/0x10
[  464.302795][ T8914]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  464.302816][ T8914]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  464.302846][ T8914]  gfs2_get_tree+0x51/0x1e0
[  464.302874][ T8914]  vfs_get_tree+0x92/0x2b0
[  464.302900][ T8914]  do_new_mount+0x302/0xa10
[  464.302923][ T8914]  ? apparmor_capable+0x137/0x1b0
[  464.302950][ T8914]  ? __pfx_do_new_mount+0x10/0x10
[  464.302975][ T8914]  ? ns_capable+0x8a/0xf0
[  464.303002][ T8914]  ? kmem_cache_free+0x19b/0x690
[  464.303032][ T8914]  __se_sys_mount+0x313/0x410
[  464.303064][ T8914]  ? __pfx___se_sys_mount+0x10/0x10
[  464.303094][ T8914]  ? do_syscall_64+0xbe/0xfa0
[  464.303116][ T8914]  ? __x64_sys_mount+0x20/0xc0
[  464.303143][ T8914]  do_syscall_64+0xfa/0xfa0
[  464.303168][ T8914]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  464.303186][ T8914]  ? clear_bhb_loop+0x60/0xb0
[  464.303209][ T8914]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  464.303227][ T8914] RIP: 0033:0x7f0d3819038a
[  464.303244][ T8914] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  464.303259][ T8914] RSP: 002b:00007f0d38fb4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  464.303280][ T8914] RAX: ffffffffffffffda RBX: 00007f0d38fb4ef0 RCX: 00007f0d3819038a
[  464.303294][ T8914] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f0d38fb4eb0
[  464.303306][ T8914] RBP: 000020000001f680 R08: 00007f0d38fb4ef0 R09: 0000000000000084
[  464.303319][ T8914] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  464.303331][ T8914] R13: 00007f0d38fb4eb0 R14: 000000000001f790 R15: 00002000000001c0
[  464.303363][ T8914]  </TASK>
[  464.312316][ T8914] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  464.852341][ T8910] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  464.888331][ T8914] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  466.222130][ T8927] loop3: detected capacity change from 0 to 32768
[  466.254388][ T8927] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  466.314138][ T8927] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  466.375857][ T8931] loop1: detected capacity change from 0 to 32768
[  466.421758][ T8931] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  466.448472][ T8927] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[  466.474155][ T8931] CPU: 1 UID: 0 PID: 8931 Comm: syz.1.483 Not tainted syzkaller #0 PREEMPT(full) 
[  466.474185][ T8931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  466.474198][ T8931] Call Trace:
[  466.474207][ T8931]  <TASK>
[  466.474217][ T8931]  dump_stack_lvl+0x189/0x250
[  466.474257][ T8931]  ? __pfx_dump_stack_lvl+0x10/0x10
[  466.474288][ T8931]  ? __pfx__printk+0x10/0x10
[  466.474319][ T8931]  ? kernfs_path_from_node+0x250/0x290
[  466.474343][ T8931]  ? kernfs_path_from_node+0x2f/0x290
[  466.474371][ T8931]  sysfs_create_dir_ns+0x259/0x280
[  466.474399][ T8931]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  466.474425][ T8931]  ? do_raw_spin_unlock+0x122/0x240
[  466.474453][ T8931]  kobject_add_internal+0x59f/0xb70
[  466.474495][ T8931]  kobject_init_and_add+0x125/0x190
[  466.474532][ T8931]  ? __pfx_kobject_init_and_add+0x10/0x10
[  466.474564][ T8931]  ? __raw_spin_lock_init+0x45/0x100
[  466.474588][ T8931]  ? __init_swait_queue_head+0xa9/0x150
[  466.474623][ T8931]  gfs2_sys_fs_add+0x234/0x450
[  466.474650][ T8931]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  466.474690][ T8931]  ? is_dynamic_key+0xd6/0x1c0
[  466.474713][ T8931]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  466.474751][ T8931]  gfs2_fill_super+0x13d1/0x2270
[  466.474799][ T8931]  ? __pfx_gfs2_fill_super+0x10/0x10
[  466.474833][ T8931]  ? sb_set_blocksize+0x104/0x180
[  466.474868][ T8931]  ? setup_bdev_super+0x4c1/0x5b0
[  466.474899][ T8931]  get_tree_bdev_flags+0x40e/0x4d0
[  466.474925][ T8931]  ? __pfx_gfs2_fill_super+0x10/0x10
[  466.474953][ T8931]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  466.474977][ T8931]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  466.475011][ T8931]  gfs2_get_tree+0x51/0x1e0
[  466.475043][ T8931]  vfs_get_tree+0x92/0x2b0
[  466.475073][ T8931]  do_new_mount+0x302/0xa10
[  466.475098][ T8931]  ? apparmor_capable+0x137/0x1b0
[  466.475128][ T8931]  ? __pfx_do_new_mount+0x10/0x10
[  466.475155][ T8931]  ? ns_capable+0x8a/0xf0
[  466.475186][ T8931]  ? kmem_cache_free+0x19b/0x690
[  466.475220][ T8931]  __se_sys_mount+0x313/0x410
[  466.475256][ T8931]  ? __pfx___se_sys_mount+0x10/0x10
[  466.475290][ T8931]  ? do_syscall_64+0xbe/0xfa0
[  466.475315][ T8931]  ? __x64_sys_mount+0x20/0xc0
[  466.475346][ T8931]  do_syscall_64+0xfa/0xfa0
[  466.475374][ T8931]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  466.475395][ T8931]  ? clear_bhb_loop+0x60/0xb0
[  466.475420][ T8931]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  466.475440][ T8931] RIP: 0033:0x7f67e7f9038a
[  466.475460][ T8931] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  466.475478][ T8931] RSP: 002b:00007f67e75fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  466.475502][ T8931] RAX: ffffffffffffffda RBX: 00007f67e75fdef0 RCX: 00007f67e7f9038a
[  466.475517][ T8931] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f67e75fdeb0
[  466.475531][ T8931] RBP: 000020000001f680 R08: 00007f67e75fdef0 R09: 0000000000000084
[  466.475544][ T8931] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  466.475558][ T8931] R13: 00007f67e75fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  466.475595][ T8931]  </TASK>
[  466.475625][ T8931] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  466.501159][ T8929] loop2: detected capacity change from 0 to 32768
[  466.564232][   T24] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  466.622356][ T8931] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  466.756778][   T24] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  466.786922][ T8929] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  466.837458][ T8929] CPU: 0 UID: 0 PID: 8929 Comm: syz.2.485 Not tainted syzkaller #0 PREEMPT(full) 
[  466.837485][ T8929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  466.837496][ T8929] Call Trace:
[  466.837504][ T8929]  <TASK>
[  466.837513][ T8929]  dump_stack_lvl+0x189/0x250
[  466.837551][ T8929]  ? __pfx_dump_stack_lvl+0x10/0x10
[  466.837581][ T8929]  ? __pfx__printk+0x10/0x10
[  466.837612][ T8929]  ? kernfs_path_from_node+0x250/0x290
[  466.837634][ T8929]  ? kernfs_path_from_node+0x2f/0x290
[  466.837660][ T8929]  sysfs_create_dir_ns+0x259/0x280
[  466.837684][ T8929]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  466.837710][ T8929]  ? do_raw_spin_unlock+0x122/0x240
[  466.837735][ T8929]  kobject_add_internal+0x59f/0xb70
[  466.837777][ T8929]  kobject_init_and_add+0x125/0x190
[  466.837815][ T8929]  ? __pfx_kobject_init_and_add+0x10/0x10
[  466.837847][ T8929]  ? __raw_spin_lock_init+0x45/0x100
[  466.837870][ T8929]  ? __init_swait_queue_head+0xa9/0x150
[  466.837918][ T8929]  gfs2_sys_fs_add+0x234/0x450
[  466.837946][ T8929]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  466.837977][ T8929]  ? is_dynamic_key+0xd6/0x1c0
[  466.838001][ T8929]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  466.838039][ T8929]  gfs2_fill_super+0x13d1/0x2270
[  466.838087][ T8929]  ? __pfx_gfs2_fill_super+0x10/0x10
[  466.838121][ T8929]  ? sb_set_blocksize+0x104/0x180
[  466.838156][ T8929]  ? setup_bdev_super+0x4c1/0x5b0
[  466.838186][ T8929]  get_tree_bdev_flags+0x40e/0x4d0
[  466.838212][ T8929]  ? __pfx_gfs2_fill_super+0x10/0x10
[  466.838240][ T8929]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  466.838264][ T8929]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  466.838297][ T8929]  gfs2_get_tree+0x51/0x1e0
[  466.838330][ T8929]  vfs_get_tree+0x92/0x2b0
[  466.838359][ T8929]  do_new_mount+0x302/0xa10
[  466.838385][ T8929]  ? apparmor_capable+0x137/0x1b0
[  466.838414][ T8929]  ? __pfx_do_new_mount+0x10/0x10
[  466.838442][ T8929]  ? ns_capable+0x8a/0xf0
[  466.838471][ T8929]  ? kmem_cache_free+0x19b/0x690
[  466.838506][ T8929]  __se_sys_mount+0x313/0x410
[  466.838542][ T8929]  ? __pfx___se_sys_mount+0x10/0x10
[  466.838576][ T8929]  ? do_syscall_64+0xbe/0xfa0
[  466.838600][ T8929]  ? __x64_sys_mount+0x20/0xc0
[  466.838631][ T8929]  do_syscall_64+0xfa/0xfa0
[  466.838657][ T8929]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  466.838677][ T8929]  ? clear_bhb_loop+0x60/0xb0
[  466.838703][ T8929]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  466.838723][ T8929] RIP: 0033:0x7efc4599038a
[  466.838742][ T8929] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  466.838761][ T8929] RSP: 002b:00007efc4684ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  466.838785][ T8929] RAX: ffffffffffffffda RBX: 00007efc4684eef0 RCX: 00007efc4599038a
[  466.838800][ T8929] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efc4684eeb0
[  466.838815][ T8929] RBP: 000020000001f680 R08: 00007efc4684eef0 R09: 0000000000000084
[  466.838829][ T8929] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  466.838843][ T8929] R13: 00007efc4684eeb0 R14: 000000000001f790 R15: 00002000000001c0
[  466.838878][ T8929]  </TASK>
[  466.838917][ T8929] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  467.222242][ T8929] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/08 14:38:35 executed programs: 481
[  467.316476][   T24] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 559ms
[  467.362427][   T24] gfs2: fsid=syz:syz.0: jid=0: Done
[  467.371080][ T8933] loop4: detected capacity change from 0 to 32768
[  467.378091][ T8927] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  467.468062][ T8933] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  467.492386][ T8933] CPU: 1 UID: 0 PID: 8933 Comm: syz.4.486 Not tainted syzkaller #0 PREEMPT(full) 
[  467.492418][ T8933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  467.492430][ T8933] Call Trace:
[  467.492439][ T8933]  <TASK>
[  467.492448][ T8933]  dump_stack_lvl+0x189/0x250
[  467.492487][ T8933]  ? __pfx_dump_stack_lvl+0x10/0x10
[  467.492518][ T8933]  ? __pfx__printk+0x10/0x10
[  467.492549][ T8933]  ? kernfs_path_from_node+0x250/0x290
[  467.492572][ T8933]  ? kernfs_path_from_node+0x2f/0x290
[  467.492602][ T8933]  sysfs_create_dir_ns+0x259/0x280
[  467.492630][ T8933]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  467.492666][ T8933]  ? do_raw_spin_unlock+0x122/0x240
[  467.492694][ T8933]  kobject_add_internal+0x59f/0xb70
[  467.492735][ T8933]  kobject_init_and_add+0x125/0x190
[  467.492773][ T8933]  ? __pfx_kobject_init_and_add+0x10/0x10
[  467.492805][ T8933]  ? __raw_spin_lock_init+0x45/0x100
[  467.492828][ T8933]  ? __init_swait_queue_head+0xa9/0x150
[  467.492864][ T8933]  gfs2_sys_fs_add+0x234/0x450
[  467.492892][ T8933]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  467.492923][ T8933]  ? is_dynamic_key+0xd6/0x1c0
[  467.492948][ T8933]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  467.492987][ T8933]  gfs2_fill_super+0x13d1/0x2270
[  467.493036][ T8933]  ? __pfx_gfs2_fill_super+0x10/0x10
[  467.493071][ T8933]  ? sb_set_blocksize+0x104/0x180
[  467.493105][ T8933]  ? setup_bdev_super+0x4c1/0x5b0
[  467.493136][ T8933]  get_tree_bdev_flags+0x40e/0x4d0
[  467.493163][ T8933]  ? __pfx_gfs2_fill_super+0x10/0x10
[  467.493190][ T8933]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  467.493214][ T8933]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  467.493248][ T8933]  gfs2_get_tree+0x51/0x1e0
[  467.493280][ T8933]  vfs_get_tree+0x92/0x2b0
[  467.493309][ T8933]  do_new_mount+0x302/0xa10
[  467.493335][ T8933]  ? apparmor_capable+0x137/0x1b0
[  467.493364][ T8933]  ? __pfx_do_new_mount+0x10/0x10
[  467.493392][ T8933]  ? ns_capable+0x8a/0xf0
[  467.493421][ T8933]  ? kmem_cache_free+0x19b/0x690
[  467.493456][ T8933]  __se_sys_mount+0x313/0x410
[  467.493492][ T8933]  ? __pfx___se_sys_mount+0x10/0x10
[  467.493525][ T8933]  ? do_syscall_64+0xbe/0xfa0
[  467.493551][ T8933]  ? __x64_sys_mount+0x20/0xc0
[  467.493582][ T8933]  do_syscall_64+0xfa/0xfa0
[  467.493610][ T8933]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  467.493630][ T8933]  ? clear_bhb_loop+0x60/0xb0
[  467.493680][ T8933]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  467.493701][ T8933] RIP: 0033:0x7f7581b9038a
[  467.493721][ T8933] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  467.493741][ T8933] RSP: 002b:00007f758297ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  467.493766][ T8933] RAX: ffffffffffffffda RBX: 00007f758297cef0 RCX: 00007f7581b9038a
[  467.493782][ T8933] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f758297ceb0
[  467.493797][ T8933] RBP: 000020000001f680 R08: 00007f758297cef0 R09: 0000000000000084
[  467.493811][ T8933] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  467.493825][ T8933] R13: 00007f758297ceb0 R14: 000000000001f790 R15: 00002000000001c0
[  467.493863][ T8933]  </TASK>
[  467.493893][ T8933] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  467.642730][ T8935] loop0: detected capacity change from 0 to 32768
[  467.664899][ T8935] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  467.664925][ T8935] CPU: 0 UID: 0 PID: 8935 Comm: syz.0.487 Not tainted syzkaller #0 PREEMPT(full) 
[  467.664949][ T8935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  467.664961][ T8935] Call Trace:
[  467.664969][ T8935]  <TASK>
[  467.664979][ T8935]  dump_stack_lvl+0x189/0x250
[  467.665018][ T8935]  ? __pfx_dump_stack_lvl+0x10/0x10
[  467.665048][ T8935]  ? __pfx__printk+0x10/0x10
[  467.665080][ T8935]  ? kernfs_path_from_node+0x250/0x290
[  467.665103][ T8935]  ? kernfs_path_from_node+0x2f/0x290
[  467.665132][ T8935]  sysfs_create_dir_ns+0x259/0x280
[  467.665167][ T8935]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  467.665194][ T8935]  ? do_raw_spin_unlock+0x122/0x240
[  467.665228][ T8935]  kobject_add_internal+0x59f/0xb70
[  467.665269][ T8935]  kobject_init_and_add+0x125/0x190
[  467.665304][ T8935]  ? __pfx_kobject_init_and_add+0x10/0x10
[  467.665332][ T8935]  ? __raw_spin_lock_init+0x45/0x100
[  467.665353][ T8935]  ? __init_swait_queue_head+0xa9/0x150
[  467.665385][ T8935]  gfs2_sys_fs_add+0x234/0x450
[  467.665409][ T8935]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  467.665436][ T8935]  ? is_dynamic_key+0xd6/0x1c0
[  467.665457][ T8935]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  467.665491][ T8935]  gfs2_fill_super+0x13d1/0x2270
[  467.665533][ T8935]  ? __pfx_gfs2_fill_super+0x10/0x10
[  467.665563][ T8935]  ? sb_set_blocksize+0x104/0x180
[  467.665594][ T8935]  ? setup_bdev_super+0x4c1/0x5b0
[  467.665621][ T8935]  get_tree_bdev_flags+0x40e/0x4d0
[  467.665644][ T8935]  ? __pfx_gfs2_fill_super+0x10/0x10
[  467.665677][ T8935]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  467.665698][ T8935]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  467.665728][ T8935]  gfs2_get_tree+0x51/0x1e0
[  467.665756][ T8935]  vfs_get_tree+0x92/0x2b0
[  467.665782][ T8935]  do_new_mount+0x302/0xa10
[  467.665805][ T8935]  ? apparmor_capable+0x137/0x1b0
[  467.665832][ T8935]  ? __pfx_do_new_mount+0x10/0x10
[  467.665856][ T8935]  ? ns_capable+0x8a/0xf0
[  467.665883][ T8935]  ? kmem_cache_free+0x19b/0x690
[  467.665913][ T8935]  __se_sys_mount+0x313/0x410
[  467.665945][ T8935]  ? __pfx___se_sys_mount+0x10/0x10
[  467.665975][ T8935]  ? do_syscall_64+0xbe/0xfa0
[  467.665997][ T8935]  ? __x64_sys_mount+0x20/0xc0
[  467.666024][ T8935]  do_syscall_64+0xfa/0xfa0
[  467.666049][ T8935]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  467.666068][ T8935]  ? clear_bhb_loop+0x60/0xb0
[  467.666090][ T8935]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  467.666108][ T8935] RIP: 0033:0x7f0d3819038a
[  467.666125][ T8935] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  467.666142][ T8935] RSP: 002b:00007f0d38fb4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  467.666168][ T8935] RAX: ffffffffffffffda RBX: 00007f0d38fb4ef0 RCX: 00007f0d3819038a
[  467.666182][ T8935] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f0d38fb4eb0
[  467.666195][ T8935] RBP: 000020000001f680 R08: 00007f0d38fb4ef0 R09: 0000000000000084
[  467.666206][ T8935] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  467.666218][ T8935] R13: 00007f0d38fb4eb0 R14: 000000000001f790 R15: 00002000000001c0
[  467.666251][ T8935]  </TASK>
[  467.676656][ T8935] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  467.754746][ T8933] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  468.191230][ T8935] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  469.486382][ T8943] loop1: detected capacity change from 0 to 32768
[  469.554327][ T8943] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  469.602348][ T8943] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  469.671017][ T8943] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[  469.696101][ T6486] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  469.704561][ T6486] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  469.904807][ T6486] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 200ms
[  469.929190][ T6486] gfs2: fsid=syz:syz.0: jid=0: Done
[  469.938053][ T8943] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  470.131540][ T8954] loop4: detected capacity change from 0 to 32768
[  470.141313][ T8955] loop0: detected capacity change from 0 to 32768
[  470.178761][ T8954] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  470.191702][ T8955] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  470.203918][ T8951] loop2: detected capacity change from 0 to 32768
[  470.234710][ T8951] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  470.235162][ T8954] CPU: 0 UID: 0 PID: 8954 Comm: syz.4.492 Not tainted syzkaller #0 PREEMPT(full) 
[  470.235186][ T8954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  470.235197][ T8954] Call Trace:
[  470.235206][ T8954]  <TASK>
[  470.235214][ T8954]  dump_stack_lvl+0x189/0x250
[  470.235249][ T8954]  ? __pfx_dump_stack_lvl+0x10/0x10
[  470.235276][ T8954]  ? __pfx__printk+0x10/0x10
[  470.235304][ T8954]  ? kernfs_path_from_node+0x250/0x290
[  470.235326][ T8954]  ? kernfs_path_from_node+0x2f/0x290
[  470.235351][ T8954]  sysfs_create_dir_ns+0x259/0x280
[  470.235374][ T8954]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  470.235397][ T8954]  ? do_raw_spin_unlock+0x122/0x240
[  470.235422][ T8954]  kobject_add_internal+0x59f/0xb70
[  470.235459][ T8954]  kobject_init_and_add+0x125/0x190
[  470.235492][ T8954]  ? __pfx_kobject_init_and_add+0x10/0x10
[  470.235520][ T8954]  ? __raw_spin_lock_init+0x45/0x100
[  470.235540][ T8954]  ? __init_swait_queue_head+0xa9/0x150
[  470.235573][ T8954]  gfs2_sys_fs_add+0x234/0x450
[  470.235596][ T8954]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  470.235623][ T8954]  ? is_dynamic_key+0xd6/0x1c0
[  470.235644][ T8954]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  470.235678][ T8954]  gfs2_fill_super+0x13d1/0x2270
[  470.235720][ T8954]  ? __pfx_gfs2_fill_super+0x10/0x10
[  470.235751][ T8954]  ? sb_set_blocksize+0x104/0x180
[  470.235783][ T8954]  ? setup_bdev_super+0x4c1/0x5b0
[  470.235810][ T8954]  get_tree_bdev_flags+0x40e/0x4d0
[  470.235834][ T8954]  ? __pfx_gfs2_fill_super+0x10/0x10
[  470.235859][ T8954]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  470.235880][ T8954]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  470.235910][ T8954]  gfs2_get_tree+0x51/0x1e0
[  470.235947][ T8954]  vfs_get_tree+0x92/0x2b0
[  470.235973][ T8954]  do_new_mount+0x302/0xa10
[  470.235995][ T8954]  ? apparmor_capable+0x137/0x1b0
[  470.236021][ T8954]  ? __pfx_do_new_mount+0x10/0x10
[  470.236046][ T8954]  ? ns_capable+0x8a/0xf0
[  470.236072][ T8954]  ? kmem_cache_free+0x19b/0x690
[  470.236102][ T8954]  __se_sys_mount+0x313/0x410
[  470.236134][ T8954]  ? __pfx___se_sys_mount+0x10/0x10
[  470.236164][ T8954]  ? do_syscall_64+0xbe/0xfa0
[  470.236186][ T8954]  ? __x64_sys_mount+0x20/0xc0
[  470.236213][ T8954]  do_syscall_64+0xfa/0xfa0
[  470.236238][ T8954]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  470.236256][ T8954]  ? clear_bhb_loop+0x60/0xb0
[  470.236278][ T8954]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  470.236296][ T8954] RIP: 0033:0x7f7581b9038a
[  470.236312][ T8954] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  470.236328][ T8954] RSP: 002b:00007f758297ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  470.236348][ T8954] RAX: ffffffffffffffda RBX: 00007f758297cef0 RCX: 00007f7581b9038a
[  470.236362][ T8954] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f758297ceb0
[  470.236375][ T8954] RBP: 000020000001f680 R08: 00007f758297cef0 R09: 0000000000000084
[  470.236388][ T8954] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  470.236400][ T8954] R13: 00007f758297ceb0 R14: 000000000001f790 R15: 00002000000001c0
[  470.236432][ T8954]  </TASK>
[  470.236458][ T8954] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  470.249610][ T8951] CPU: 1 UID: 0 PID: 8951 Comm: syz.2.490 Not tainted syzkaller #0 PREEMPT(full) 
[  470.249636][ T8951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  470.249649][ T8951] Call Trace:
[  470.249657][ T8951]  <TASK>
[  470.249674][ T8951]  dump_stack_lvl+0x189/0x250
[  470.249709][ T8951]  ? __pfx_dump_stack_lvl+0x10/0x10
[  470.249737][ T8951]  ? __pfx__printk+0x10/0x10
[  470.249765][ T8951]  ? kernfs_path_from_node+0x250/0x290
[  470.249786][ T8951]  ? kernfs_path_from_node+0x2f/0x290
[  470.249811][ T8951]  sysfs_create_dir_ns+0x259/0x280
[  470.249835][ T8951]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  470.249858][ T8951]  ? do_raw_spin_unlock+0x122/0x240
[  470.249882][ T8951]  kobject_add_internal+0x59f/0xb70
[  470.249919][ T8951]  kobject_init_and_add+0x125/0x190
[  470.249952][ T8951]  ? __pfx_kobject_init_and_add+0x10/0x10
[  470.249981][ T8951]  ? __raw_spin_lock_init+0x45/0x100
[  470.250001][ T8951]  ? __init_swait_queue_head+0xa9/0x150
[  470.250033][ T8951]  gfs2_sys_fs_add+0x234/0x450
[  470.250057][ T8951]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  470.250084][ T8951]  ? is_dynamic_key+0xd6/0x1c0
[  470.250105][ T8951]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  470.250139][ T8951]  gfs2_fill_super+0x13d1/0x2270
[  470.250182][ T8951]  ? __pfx_gfs2_fill_super+0x10/0x10
[  470.250213][ T8951]  ? sb_set_blocksize+0x104/0x180
[  470.250243][ T8951]  ? setup_bdev_super+0x4c1/0x5b0
[  470.250270][ T8951]  get_tree_bdev_flags+0x40e/0x4d0
[  470.250293][ T8951]  ? __pfx_gfs2_fill_super+0x10/0x10
[  470.250319][ T8951]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  470.250340][ T8951]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  470.250370][ T8951]  gfs2_get_tree+0x51/0x1e0
[  470.250398][ T8951]  vfs_get_tree+0x92/0x2b0
[  470.250424][ T8951]  do_new_mount+0x302/0xa10
[  470.250448][ T8951]  ? apparmor_capable+0x137/0x1b0
[  470.250474][ T8951]  ? __pfx_do_new_mount+0x10/0x10
[  470.250499][ T8951]  ? ns_capable+0x8a/0xf0
[  470.250525][ T8951]  ? kmem_cache_free+0x19b/0x690
[  470.250555][ T8951]  __se_sys_mount+0x313/0x410
[  470.250587][ T8951]  ? __pfx___se_sys_mount+0x10/0x10
[  470.250617][ T8951]  ? do_syscall_64+0xbe/0xfa0
[  470.250639][ T8951]  ? __x64_sys_mount+0x20/0xc0
[  470.250673][ T8951]  do_syscall_64+0xfa/0xfa0
[  470.250698][ T8951]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  470.250717][ T8951]  ? clear_bhb_loop+0x60/0xb0
[  470.250740][ T8951]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  470.250757][ T8951] RIP: 0033:0x7efc4599038a
[  470.250773][ T8951] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  470.250789][ T8951] RSP: 002b:00007efc4684ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  470.250810][ T8951] RAX: ffffffffffffffda RBX: 00007efc4684eef0 RCX: 00007efc4599038a
[  470.250824][ T8951] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efc4684eeb0
[  470.250837][ T8951] RBP: 000020000001f680 R08: 00007efc4684eef0 R09: 0000000000000084
[  470.250849][ T8951] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  470.250861][ T8951] R13: 00007efc4684eeb0 R14: 000000000001f790 R15: 00002000000001c0
[  470.250893][ T8951]  </TASK>
[  470.250918][ T8951] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  470.281861][ T8955] CPU: 0 UID: 0 PID: 8955 Comm: syz.0.491 Not tainted syzkaller #0 PREEMPT(full) 
[  470.281886][ T8955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  470.281898][ T8955] Call Trace:
[  470.281906][ T8955]  <TASK>
[  470.281922][ T8955]  dump_stack_lvl+0x189/0x250
[  470.281957][ T8955]  ? __pfx_dump_stack_lvl+0x10/0x10
[  470.281985][ T8955]  ? __pfx__printk+0x10/0x10
[  470.282013][ T8955]  ? kernfs_path_from_node+0x250/0x290
[  470.282034][ T8955]  ? kernfs_path_from_node+0x2f/0x290
[  470.282058][ T8955]  sysfs_create_dir_ns+0x259/0x280
[  470.282084][ T8955]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  470.282107][ T8955]  ? do_raw_spin_unlock+0x122/0x240
[  470.282131][ T8955]  kobject_add_internal+0x59f/0xb70
[  470.282174][ T8955]  kobject_init_and_add+0x125/0x190
[  470.282207][ T8955]  ? __pfx_kobject_init_and_add+0x10/0x10
[  470.282235][ T8955]  ? __raw_spin_lock_init+0x45/0x100
[  470.282255][ T8955]  ? __init_swait_queue_head+0xa9/0x150
[  470.282287][ T8955]  gfs2_sys_fs_add+0x234/0x450
[  470.282311][ T8955]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  470.282338][ T8955]  ? is_dynamic_key+0xd6/0x1c0
[  470.282359][ T8955]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  470.282393][ T8955]  gfs2_fill_super+0x13d1/0x2270
[  470.282436][ T8955]  ? __pfx_gfs2_fill_super+0x10/0x10
[  470.282466][ T8955]  ? sb_set_blocksize+0x104/0x180
[  470.282497][ T8955]  ? setup_bdev_super+0x4c1/0x5b0
[  470.282525][ T8955]  get_tree_bdev_flags+0x40e/0x4d0
[  470.282548][ T8955]  ? __pfx_gfs2_fill_super+0x10/0x10
[  470.282573][ T8955]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  470.282594][ T8955]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  470.282624][ T8955]  gfs2_get_tree+0x51/0x1e0
[  470.282652][ T8955]  vfs_get_tree+0x92/0x2b0
[  470.282678][ T8955]  do_new_mount+0x302/0xa10
[  470.282701][ T8955]  ? apparmor_capable+0x137/0x1b0
[  470.282727][ T8955]  ? __pfx_do_new_mount+0x10/0x10
[  470.282752][ T8955]  ? ns_capable+0x8a/0xf0
[  470.282779][ T8955]  ? kmem_cache_free+0x19b/0x690
[  470.282809][ T8955]  __se_sys_mount+0x313/0x410
[  470.282841][ T8955]  ? __pfx___se_sys_mount+0x10/0x10
[  470.282871][ T8955]  ? do_syscall_64+0xbe/0xfa0
[  470.282893][ T8955]  ? __x64_sys_mount+0x20/0xc0
[  470.282927][ T8955]  do_syscall_64+0xfa/0xfa0
[  470.282952][ T8955]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  470.282971][ T8955]  ? clear_bhb_loop+0x60/0xb0
[  470.282994][ T8955]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  470.283011][ T8955] RIP: 0033:0x7f0d3819038a
[  470.283029][ T8955] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  470.283045][ T8955] RSP: 002b:00007f0d38fb4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  470.283066][ T8955] RAX: ffffffffffffffda RBX: 00007f0d38fb4ef0 RCX: 00007f0d3819038a
[  470.283080][ T8955] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f0d38fb4eb0
[  470.283092][ T8955] RBP: 000020000001f680 R08: 00007f0d38fb4ef0 R09: 0000000000000084
[  470.283105][ T8955] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  470.283117][ T8955] R13: 00007f0d38fb4eb0 R14: 000000000001f790 R15: 00002000000001c0
[  470.283149][ T8955]  </TASK>
[  470.293335][ T8955] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  470.298625][ T8954] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  470.300404][ T8955] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  470.335007][ T8957] loop3: detected capacity change from 0 to 32768
[  470.389188][ T8951] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  470.922956][ T8957] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  471.316213][ T8957] CPU: 1 UID: 0 PID: 8957 Comm: syz.3.489 Not tainted syzkaller #0 PREEMPT(full) 
[  471.316243][ T8957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  471.316257][ T8957] Call Trace:
[  471.316267][ T8957]  <TASK>
[  471.316276][ T8957]  dump_stack_lvl+0x189/0x250
[  471.316316][ T8957]  ? __pfx_dump_stack_lvl+0x10/0x10
[  471.316346][ T8957]  ? __pfx__printk+0x10/0x10
[  471.316377][ T8957]  ? kernfs_path_from_node+0x250/0x290
[  471.316400][ T8957]  ? kernfs_path_from_node+0x2f/0x290
[  471.316429][ T8957]  sysfs_create_dir_ns+0x259/0x280
[  471.316456][ T8957]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  471.316482][ T8957]  ? do_raw_spin_unlock+0x122/0x240
[  471.316509][ T8957]  kobject_add_internal+0x59f/0xb70
[  471.316551][ T8957]  kobject_init_and_add+0x125/0x190
[  471.316588][ T8957]  ? __pfx_kobject_init_and_add+0x10/0x10
[  471.316620][ T8957]  ? __raw_spin_lock_init+0x45/0x100
[  471.316651][ T8957]  ? __init_swait_queue_head+0xa9/0x150
[  471.316687][ T8957]  gfs2_sys_fs_add+0x234/0x450
[  471.316714][ T8957]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  471.316745][ T8957]  ? is_dynamic_key+0xd6/0x1c0
[  471.316769][ T8957]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  471.316807][ T8957]  gfs2_fill_super+0x13d1/0x2270
[  471.316856][ T8957]  ? __pfx_gfs2_fill_super+0x10/0x10
[  471.316889][ T8957]  ? sb_set_blocksize+0x104/0x180
[  471.316923][ T8957]  ? setup_bdev_super+0x4c1/0x5b0
[  471.316954][ T8957]  get_tree_bdev_flags+0x40e/0x4d0
[  471.316981][ T8957]  ? __pfx_gfs2_fill_super+0x10/0x10
[  471.317009][ T8957]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  471.317033][ T8957]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  471.317066][ T8957]  gfs2_get_tree+0x51/0x1e0
[  471.317098][ T8957]  vfs_get_tree+0x92/0x2b0
[  471.317127][ T8957]  do_new_mount+0x302/0xa10
[  471.317152][ T8957]  ? apparmor_capable+0x137/0x1b0
[  471.317182][ T8957]  ? __pfx_do_new_mount+0x10/0x10
[  471.317211][ T8957]  ? ns_capable+0x8a/0xf0
[  471.317240][ T8957]  ? kmem_cache_free+0x19b/0x690
[  471.317275][ T8957]  __se_sys_mount+0x313/0x410
[  471.317310][ T8957]  ? __pfx___se_sys_mount+0x10/0x10
[  471.317344][ T8957]  ? do_syscall_64+0xbe/0xfa0
[  471.317369][ T8957]  ? __x64_sys_mount+0x20/0xc0
[  471.317401][ T8957]  do_syscall_64+0xfa/0xfa0
[  471.317429][ T8957]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  471.317449][ T8957]  ? clear_bhb_loop+0x60/0xb0
[  471.317474][ T8957]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  471.317494][ T8957] RIP: 0033:0x7fa20eb9038a
[  471.317513][ T8957] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  471.317532][ T8957] RSP: 002b:00007fa20fa79e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  471.317556][ T8957] RAX: ffffffffffffffda RBX: 00007fa20fa79ef0 RCX: 00007fa20eb9038a
[  471.317572][ T8957] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fa20fa79eb0
[  471.317587][ T8957] RBP: 000020000001f680 R08: 00007fa20fa79ef0 R09: 0000000000000084
[  471.317600][ T8957] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  471.317614][ T8957] R13: 00007fa20fa79eb0 R14: 000000000001f790 R15: 00002000000001c0
[  471.317659][ T8957]  </TASK>
[  471.317688][ T8957] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  471.732732][ T8957] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  472.645029][ T8973] loop0: detected capacity change from 0 to 32768
[  472.702997][ T8969] loop4: detected capacity change from 0 to 32768
[  472.711446][ T8973] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  472.723830][ T8969] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  472.737567][ T8973] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  472.746842][ T8969] CPU: 1 UID: 0 PID: 8969 Comm: syz.4.493 Not tainted syzkaller #0 PREEMPT(full) 
[  472.746869][ T8969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  472.746881][ T8969] Call Trace:
[  472.746890][ T8969]  <TASK>
[  472.746898][ T8969]  dump_stack_lvl+0x189/0x250
[  472.746937][ T8969]  ? __pfx_dump_stack_lvl+0x10/0x10
[  472.746976][ T8969]  ? __pfx__printk+0x10/0x10
[  472.747006][ T8969]  ? kernfs_path_from_node+0x250/0x290
[  472.747029][ T8969]  ? kernfs_path_from_node+0x2f/0x290
[  472.747057][ T8969]  sysfs_create_dir_ns+0x259/0x280
[  472.747083][ T8969]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  472.747109][ T8969]  ? do_raw_spin_unlock+0x122/0x240
[  472.747136][ T8969]  kobject_add_internal+0x59f/0xb70
[  472.747178][ T8969]  kobject_init_and_add+0x125/0x190
[  472.747214][ T8969]  ? __pfx_kobject_init_and_add+0x10/0x10
[  472.747245][ T8969]  ? __raw_spin_lock_init+0x45/0x100
[  472.747268][ T8969]  ? __init_swait_queue_head+0xa9/0x150
[  472.747302][ T8969]  gfs2_sys_fs_add+0x234/0x450
[  472.747328][ T8969]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  472.747358][ T8969]  ? is_dynamic_key+0xd6/0x1c0
[  472.747382][ T8969]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  472.747421][ T8969]  gfs2_fill_super+0x13d1/0x2270
[  472.747470][ T8969]  ? __pfx_gfs2_fill_super+0x10/0x10
[  472.747501][ T8969]  ? sb_set_blocksize+0x104/0x180
[  472.747536][ T8969]  ? setup_bdev_super+0x4c1/0x5b0
[  472.747566][ T8969]  get_tree_bdev_flags+0x40e/0x4d0
[  472.747592][ T8969]  ? __pfx_gfs2_fill_super+0x10/0x10
[  472.747619][ T8969]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  472.747643][ T8969]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  472.747677][ T8969]  gfs2_get_tree+0x51/0x1e0
[  472.747707][ T8969]  vfs_get_tree+0x92/0x2b0
[  472.747735][ T8969]  do_new_mount+0x302/0xa10
[  472.747760][ T8969]  ? apparmor_capable+0x137/0x1b0
[  472.747789][ T8969]  ? __pfx_do_new_mount+0x10/0x10
[  472.747817][ T8969]  ? ns_capable+0x8a/0xf0
[  472.747844][ T8969]  ? kmem_cache_free+0x19b/0x690
[  472.747875][ T8969]  __se_sys_mount+0x313/0x410
[  472.747911][ T8969]  ? __pfx___se_sys_mount+0x10/0x10
[  472.747944][ T8969]  ? do_syscall_64+0xbe/0xfa0
[  472.747980][ T8969]  ? __x64_sys_mount+0x20/0xc0
[  472.748011][ T8969]  do_syscall_64+0xfa/0xfa0
[  472.748039][ T8969]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  472.748061][ T8969]  ? clear_bhb_loop+0x60/0xb0
[  472.748087][ T8969]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  472.748106][ T8969] RIP: 0033:0x7f7581b9038a
[  472.748125][ T8969] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  472.748143][ T8969] RSP: 002b:00007f758297ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  472.748166][ T8969] RAX: ffffffffffffffda RBX: 00007f758297cef0 RCX: 00007f7581b9038a
[  472.748182][ T8969] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f758297ceb0
[  472.748196][ T8969] RBP: 000020000001f680 R08: 00007f758297cef0 R09: 0000000000000084
[  472.748210][ T8969] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  472.748224][ T8969] R13: 00007f758297ceb0 R14: 000000000001f790 R15: 00002000000001c0
[  472.748261][ T8969]  </TASK>
[  472.748291][ T8969] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  473.081418][ T8969] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  473.131401][ T8973] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[  473.178733][  T980] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  473.200285][ T8975] loop2: detected capacity change from 0 to 32768
[  473.212254][  T980] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  473.274074][ T8975] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  473.306642][ T8975] CPU: 1 UID: 0 PID: 8975 Comm: syz.2.496 Not tainted syzkaller #0 PREEMPT(full) 
[  473.306672][ T8975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  473.306685][ T8975] Call Trace:
[  473.306694][ T8975]  <TASK>
[  473.306703][ T8975]  dump_stack_lvl+0x189/0x250
[  473.306742][ T8975]  ? __pfx_dump_stack_lvl+0x10/0x10
[  473.306774][ T8975]  ? __pfx__printk+0x10/0x10
[  473.306806][ T8975]  ? kernfs_path_from_node+0x250/0x290
[  473.306829][ T8975]  ? kernfs_path_from_node+0x2f/0x290
[  473.306858][ T8975]  sysfs_create_dir_ns+0x259/0x280
[  473.306885][ T8975]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
2025/11/08 14:38:41 executed programs: 491
[  473.306911][ T8975]  ? do_raw_spin_unlock+0x122/0x240
[  473.306938][ T8975]  kobject_add_internal+0x59f/0xb70
[  473.306988][ T8975]  kobject_init_and_add+0x125/0x190
[  473.307025][ T8975]  ? __pfx_kobject_init_and_add+0x10/0x10
[  473.307057][ T8975]  ? __raw_spin_lock_init+0x45/0x100
[  473.307080][ T8975]  ? __init_swait_queue_head+0xa9/0x150
[  473.307116][ T8975]  gfs2_sys_fs_add+0x234/0x450
[  473.307143][ T8975]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  473.307174][ T8975]  ? is_dynamic_key+0xd6/0x1c0
[  473.307197][ T8975]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  473.307236][ T8975]  gfs2_fill_super+0x13d1/0x2270
[  473.307283][ T8975]  ? __pfx_gfs2_fill_super+0x10/0x10
[  473.307318][ T8975]  ? sb_set_blocksize+0x104/0x180
[  473.307353][ T8975]  ? setup_bdev_super+0x4c1/0x5b0
[  473.307383][ T8975]  get_tree_bdev_flags+0x40e/0x4d0
[  473.307409][ T8975]  ? __pfx_gfs2_fill_super+0x10/0x10
[  473.307438][ T8975]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  473.307461][ T8975]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  473.307495][ T8975]  gfs2_get_tree+0x51/0x1e0
[  473.307526][ T8975]  vfs_get_tree+0x92/0x2b0
[  473.307555][ T8975]  do_new_mount+0x302/0xa10
[  473.307581][ T8975]  ? apparmor_capable+0x137/0x1b0
[  473.307611][ T8975]  ? __pfx_do_new_mount+0x10/0x10
[  473.307639][ T8975]  ? ns_capable+0x8a/0xf0
[  473.307669][ T8975]  ? kmem_cache_free+0x19b/0x690
[  473.307702][ T8975]  __se_sys_mount+0x313/0x410
[  473.307737][ T8975]  ? __pfx___se_sys_mount+0x10/0x10
[  473.307771][ T8975]  ? do_syscall_64+0xbe/0xfa0
[  473.307796][ T8975]  ? __x64_sys_mount+0x20/0xc0
[  473.307827][ T8975]  do_syscall_64+0xfa/0xfa0
[  473.307855][ T8975]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  473.307877][ T8975]  ? clear_bhb_loop+0x60/0xb0
[  473.307902][ T8975]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  473.307921][ T8975] RIP: 0033:0x7efc4599038a
[  473.307941][ T8975] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  473.307968][ T8975] RSP: 002b:00007efc4684ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  473.307991][ T8975] RAX: ffffffffffffffda RBX: 00007efc4684eef0 RCX: 00007efc4599038a
[  473.308007][ T8975] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efc4684eeb0
[  473.308021][ T8975] RBP: 000020000001f680 R08: 00007efc4684eef0 R09: 0000000000000084
[  473.308034][ T8975] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  473.308048][ T8975] R13: 00007efc4684eeb0 R14: 000000000001f790 R15: 00002000000001c0
[  473.308084][ T8975]  </TASK>
[  473.308114][ T8975] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  473.462664][  T980] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 250ms
[  473.468568][  T980] gfs2: fsid=syz:syz.0: jid=0: Done
[  473.581484][ T8977] loop1: detected capacity change from 0 to 32768
[  473.604086][ T8975] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  473.762420][ T8973] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  473.773215][ T8977] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  473.786745][ T8977] CPU: 0 UID: 0 PID: 8977 Comm: syz.1.495 Not tainted syzkaller #0 PREEMPT(full) 
[  473.786775][ T8977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  473.786788][ T8977] Call Trace:
[  473.786796][ T8977]  <TASK>
[  473.786806][ T8977]  dump_stack_lvl+0x189/0x250
[  473.786845][ T8977]  ? __pfx_dump_stack_lvl+0x10/0x10
[  473.786873][ T8977]  ? __pfx__printk+0x10/0x10
[  473.786914][ T8977]  ? kernfs_path_from_node+0x250/0x290
[  473.786937][ T8977]  ? kernfs_path_from_node+0x2f/0x290
[  473.786965][ T8977]  sysfs_create_dir_ns+0x259/0x280
[  473.786991][ T8977]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  473.787016][ T8977]  ? do_raw_spin_unlock+0x122/0x240
[  473.787043][ T8977]  kobject_add_internal+0x59f/0xb70
[  473.787081][ T8977]  kobject_init_and_add+0x125/0x190
[  473.787118][ T8977]  ? __pfx_kobject_init_and_add+0x10/0x10
[  473.787149][ T8977]  ? __raw_spin_lock_init+0x45/0x100
[  473.787170][ T8977]  ? __init_swait_queue_head+0xa9/0x150
[  473.787206][ T8977]  gfs2_sys_fs_add+0x234/0x450
[  473.787231][ T8977]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  473.787260][ T8977]  ? is_dynamic_key+0xd6/0x1c0
[  473.787284][ T8977]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  473.787323][ T8977]  gfs2_fill_super+0x13d1/0x2270
[  473.787369][ T8977]  ? __pfx_gfs2_fill_super+0x10/0x10
[  473.787404][ T8977]  ? sb_set_blocksize+0x104/0x180
[  473.787438][ T8977]  ? setup_bdev_super+0x4c1/0x5b0
[  473.787469][ T8977]  get_tree_bdev_flags+0x40e/0x4d0
[  473.787495][ T8977]  ? __pfx_gfs2_fill_super+0x10/0x10
[  473.787524][ T8977]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  473.787546][ T8977]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  473.787578][ T8977]  gfs2_get_tree+0x51/0x1e0
[  473.787610][ T8977]  vfs_get_tree+0x92/0x2b0
[  473.787639][ T8977]  do_new_mount+0x302/0xa10
[  473.787663][ T8977]  ? apparmor_capable+0x137/0x1b0
[  473.787692][ T8977]  ? __pfx_do_new_mount+0x10/0x10
[  473.787719][ T8977]  ? ns_capable+0x8a/0xf0
[  473.787749][ T8977]  ? kmem_cache_free+0x19b/0x690
[  473.787782][ T8977]  __se_sys_mount+0x313/0x410
[  473.787818][ T8977]  ? __pfx___se_sys_mount+0x10/0x10
[  473.787851][ T8977]  ? do_syscall_64+0xbe/0xfa0
[  473.787876][ T8977]  ? __x64_sys_mount+0x20/0xc0
[  473.787917][ T8977]  do_syscall_64+0xfa/0xfa0
[  473.787944][ T8977]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  473.787966][ T8977]  ? clear_bhb_loop+0x60/0xb0
[  473.787992][ T8977]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  473.788011][ T8977] RIP: 0033:0x7f67e7f9038a
[  473.788032][ T8977] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  473.788050][ T8977] RSP: 002b:00007f67e75fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  473.788073][ T8977] RAX: ffffffffffffffda RBX: 00007f67e75fdef0 RCX: 00007f67e7f9038a
[  473.788089][ T8977] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f67e75fdeb0
[  473.788103][ T8977] RBP: 000020000001f680 R08: 00007f67e75fdef0 R09: 0000000000000084
[  473.788117][ T8977] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  473.788131][ T8977] R13: 00007f67e75fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  473.788168][ T8977]  </TASK>
[  473.788196][ T8977] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  474.124827][ T8977] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  474.541213][ T8979] loop3: detected capacity change from 0 to 32768
[  474.698730][ T8979] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  474.765420][ T8979] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  474.918542][ T8979] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[  474.969462][   T24] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  474.990828][   T24] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  475.145237][   T24] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 154ms
[  475.162464][   T24] gfs2: fsid=syz:syz.0: jid=0: Done
[  475.173687][ T8979] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  475.500961][ T8987] loop4: detected capacity change from 0 to 32768
[  475.605128][ T8987] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  475.642369][ T8987] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  475.730157][ T8987] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[  475.788323][  T794] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  475.812257][  T794] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  475.850376][ T8993] loop2: detected capacity change from 0 to 32768
[  475.902014][ T8993] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  475.910635][ T8995] loop1: detected capacity change from 0 to 32768
[  475.935458][ T8993] CPU: 1 UID: 0 PID: 8993 Comm: syz.2.499 Not tainted syzkaller #0 PREEMPT(full) 
[  475.935489][ T8993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  475.935503][ T8993] Call Trace:
[  475.935512][ T8993]  <TASK>
[  475.935522][ T8993]  dump_stack_lvl+0x189/0x250
[  475.935561][ T8993]  ? __pfx_dump_stack_lvl+0x10/0x10
[  475.935591][ T8993]  ? __pfx__printk+0x10/0x10
[  475.935622][ T8993]  ? kernfs_path_from_node+0x250/0x290
[  475.935655][ T8993]  ? kernfs_path_from_node+0x2f/0x290
[  475.935684][ T8993]  sysfs_create_dir_ns+0x259/0x280
[  475.935712][ T8993]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  475.935738][ T8993]  ? do_raw_spin_unlock+0x122/0x240
[  475.935766][ T8993]  kobject_add_internal+0x59f/0xb70
[  475.935807][ T8993]  kobject_init_and_add+0x125/0x190
[  475.935844][ T8993]  ? __pfx_kobject_init_and_add+0x10/0x10
[  475.935877][ T8993]  ? __raw_spin_lock_init+0x45/0x100
[  475.935898][ T8993]  ? __init_swait_queue_head+0xa9/0x150
[  475.935935][ T8993]  gfs2_sys_fs_add+0x234/0x450
[  475.935962][ T8993]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  475.935992][ T8993]  ? is_dynamic_key+0xd6/0x1c0
[  475.936015][ T8993]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  475.936054][ T8993]  gfs2_fill_super+0x13d1/0x2270
[  475.936102][ T8993]  ? __pfx_gfs2_fill_super+0x10/0x10
[  475.936137][ T8993]  ? sb_set_blocksize+0x104/0x180
[  475.936173][ T8993]  ? setup_bdev_super+0x4c1/0x5b0
[  475.936203][ T8993]  get_tree_bdev_flags+0x40e/0x4d0
[  475.936229][ T8993]  ? __pfx_gfs2_fill_super+0x10/0x10
[  475.936257][ T8993]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  475.936280][ T8993]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  475.936314][ T8993]  gfs2_get_tree+0x51/0x1e0
[  475.936346][ T8993]  vfs_get_tree+0x92/0x2b0
[  475.936375][ T8993]  do_new_mount+0x302/0xa10
[  475.936400][ T8993]  ? apparmor_capable+0x137/0x1b0
[  475.936430][ T8993]  ? __pfx_do_new_mount+0x10/0x10
[  475.936457][ T8993]  ? ns_capable+0x8a/0xf0
[  475.936486][ T8993]  ? kmem_cache_free+0x19b/0x690
[  475.936521][ T8993]  __se_sys_mount+0x313/0x410
[  475.936556][ T8993]  ? __pfx___se_sys_mount+0x10/0x10
[  475.936590][ T8993]  ? do_syscall_64+0xbe/0xfa0
[  475.936615][ T8993]  ? __x64_sys_mount+0x20/0xc0
[  475.936653][ T8993]  do_syscall_64+0xfa/0xfa0
[  475.936680][ T8993]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  475.936702][ T8993]  ? clear_bhb_loop+0x60/0xb0
[  475.936728][ T8993]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  475.936748][ T8993] RIP: 0033:0x7efc4599038a
[  475.936767][ T8993] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  475.936785][ T8993] RSP: 002b:00007efc4684ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  475.936809][ T8993] RAX: ffffffffffffffda RBX: 00007efc4684eef0 RCX: 00007efc4599038a
[  475.936825][ T8993] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efc4684eeb0
[  475.936839][ T8993] RBP: 000020000001f680 R08: 00007efc4684eef0 R09: 0000000000000084
[  475.936853][ T8993] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  475.936867][ T8993] R13: 00007efc4684eeb0 R14: 000000000001f790 R15: 00002000000001c0
[  475.936902][ T8993]  </TASK>
[  475.936932][ T8993] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  475.937970][  T794] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 125ms
[  476.165399][ T8993] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  476.212415][ T8995] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  476.314485][ T8995] CPU: 1 UID: 0 PID: 8995 Comm: syz.1.501 Not tainted syzkaller #0 PREEMPT(full) 
[  476.314516][ T8995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  476.314530][ T8995] Call Trace:
[  476.314539][ T8995]  <TASK>
[  476.314549][ T8995]  dump_stack_lvl+0x189/0x250
[  476.314588][ T8995]  ? __pfx_dump_stack_lvl+0x10/0x10
[  476.314619][ T8995]  ? __pfx__printk+0x10/0x10
[  476.314651][ T8995]  ? kernfs_path_from_node+0x250/0x290
[  476.314674][ T8995]  ? kernfs_path_from_node+0x2f/0x290
[  476.314713][ T8995]  sysfs_create_dir_ns+0x259/0x280
[  476.314741][ T8995]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  476.314768][ T8995]  ? do_raw_spin_unlock+0x122/0x240
[  476.314797][ T8995]  kobject_add_internal+0x59f/0xb70
[  476.314839][ T8995]  kobject_init_and_add+0x125/0x190
[  476.314877][ T8995]  ? __pfx_kobject_init_and_add+0x10/0x10
[  476.314909][ T8995]  ? __raw_spin_lock_init+0x45/0x100
[  476.314932][ T8995]  ? __init_swait_queue_head+0xa9/0x150
[  476.314967][ T8995]  gfs2_sys_fs_add+0x234/0x450
[  476.314995][ T8995]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  476.315026][ T8995]  ? is_dynamic_key+0xd6/0x1c0
[  476.315050][ T8995]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  476.315089][ T8995]  gfs2_fill_super+0x13d1/0x2270
[  476.315143][ T8995]  ? __pfx_gfs2_fill_super+0x10/0x10
[  476.315178][ T8995]  ? sb_set_blocksize+0x104/0x180
[  476.315214][ T8995]  ? setup_bdev_super+0x4c1/0x5b0
[  476.315244][ T8995]  get_tree_bdev_flags+0x40e/0x4d0
[  476.315270][ T8995]  ? __pfx_gfs2_fill_super+0x10/0x10
[  476.315298][ T8995]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  476.315321][ T8995]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  476.315354][ T8995]  gfs2_get_tree+0x51/0x1e0
[  476.315386][ T8995]  vfs_get_tree+0x92/0x2b0
[  476.315415][ T8995]  do_new_mount+0x302/0xa10
[  476.315441][ T8995]  ? apparmor_capable+0x137/0x1b0
[  476.315470][ T8995]  ? __pfx_do_new_mount+0x10/0x10
[  476.315498][ T8995]  ? ns_capable+0x8a/0xf0
[  476.315528][ T8995]  ? kmem_cache_free+0x19b/0x690
[  476.315563][ T8995]  __se_sys_mount+0x313/0x410
[  476.315598][ T8995]  ? __pfx___se_sys_mount+0x10/0x10
[  476.315632][ T8995]  ? do_syscall_64+0xbe/0xfa0
[  476.315657][ T8995]  ? __x64_sys_mount+0x20/0xc0
[  476.315696][ T8995]  do_syscall_64+0xfa/0xfa0
[  476.315724][ T8995]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  476.315745][ T8995]  ? clear_bhb_loop+0x60/0xb0
[  476.315771][ T8995]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  476.315791][ T8995] RIP: 0033:0x7f67e7f9038a
[  476.315811][ T8995] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  476.315828][ T8995] RSP: 002b:00007f67e75fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  476.315852][ T8995] RAX: ffffffffffffffda RBX: 00007f67e75fdef0 RCX: 00007f67e7f9038a
[  476.315867][ T8995] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f67e75fdeb0
[  476.315881][ T8995] RBP: 000020000001f680 R08: 00007f67e75fdef0 R09: 0000000000000084
[  476.315895][ T8995] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  476.315908][ T8995] R13: 00007f67e75fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  476.315944][ T8995]  </TASK>
[  476.315983][ T8995] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  476.420571][  T794] gfs2: fsid=syz:syz.0: jid=0: Done
[  476.672313][ T8995] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  476.916087][ T9001] loop0: detected capacity change from 0 to 32768
[  476.967698][ T9001] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  476.975457][ T8987] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  476.982894][ T9001] CPU: 0 UID: 0 PID: 9001 Comm: syz.0.500 Not tainted syzkaller #0 PREEMPT(full) 
[  476.982924][ T9001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  476.982945][ T9001] Call Trace:
[  476.982955][ T9001]  <TASK>
[  476.982964][ T9001]  dump_stack_lvl+0x189/0x250
[  476.983003][ T9001]  ? __pfx_dump_stack_lvl+0x10/0x10
[  476.983034][ T9001]  ? __pfx__printk+0x10/0x10
[  476.983065][ T9001]  ? kernfs_path_from_node+0x250/0x290
[  476.983088][ T9001]  ? kernfs_path_from_node+0x2f/0x290
[  476.983116][ T9001]  sysfs_create_dir_ns+0x259/0x280
[  476.983144][ T9001]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  476.983170][ T9001]  ? do_raw_spin_unlock+0x122/0x240
[  476.983197][ T9001]  kobject_add_internal+0x59f/0xb70
[  476.983239][ T9001]  kobject_init_and_add+0x125/0x190
[  476.983277][ T9001]  ? __pfx_kobject_init_and_add+0x10/0x10
[  476.983309][ T9001]  ? __raw_spin_lock_init+0x45/0x100
[  476.983332][ T9001]  ? __init_swait_queue_head+0xa9/0x150
[  476.983367][ T9001]  gfs2_sys_fs_add+0x234/0x450
[  476.983394][ T9001]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  476.983424][ T9001]  ? is_dynamic_key+0xd6/0x1c0
[  476.983448][ T9001]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  476.983486][ T9001]  gfs2_fill_super+0x13d1/0x2270
[  476.983534][ T9001]  ? __pfx_gfs2_fill_super+0x10/0x10
[  476.983569][ T9001]  ? sb_set_blocksize+0x104/0x180
[  476.983603][ T9001]  ? setup_bdev_super+0x4c1/0x5b0
[  476.983633][ T9001]  get_tree_bdev_flags+0x40e/0x4d0
[  476.983660][ T9001]  ? __pfx_gfs2_fill_super+0x10/0x10
[  476.983687][ T9001]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  476.983710][ T9001]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  476.983744][ T9001]  gfs2_get_tree+0x51/0x1e0
[  476.983776][ T9001]  vfs_get_tree+0x92/0x2b0
[  476.983805][ T9001]  do_new_mount+0x302/0xa10
[  476.983830][ T9001]  ? apparmor_capable+0x137/0x1b0
[  476.983860][ T9001]  ? __pfx_do_new_mount+0x10/0x10
[  476.983887][ T9001]  ? ns_capable+0x8a/0xf0
[  476.983917][ T9001]  ? kmem_cache_free+0x19b/0x690
[  476.983959][ T9001]  __se_sys_mount+0x313/0x410
[  476.983994][ T9001]  ? __pfx___se_sys_mount+0x10/0x10
[  476.984028][ T9001]  ? do_syscall_64+0xbe/0xfa0
[  476.984053][ T9001]  ? __x64_sys_mount+0x20/0xc0
[  476.984084][ T9001]  do_syscall_64+0xfa/0xfa0
[  476.984112][ T9001]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  476.984132][ T9001]  ? clear_bhb_loop+0x60/0xb0
[  476.984157][ T9001]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  476.984177][ T9001] RIP: 0033:0x7f0d3819038a
[  476.984195][ T9001] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  476.984213][ T9001] RSP: 002b:00007f0d38fb4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  476.984236][ T9001] RAX: ffffffffffffffda RBX: 00007f0d38fb4ef0 RCX: 00007f0d3819038a
[  476.984252][ T9001] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f0d38fb4eb0
[  476.984266][ T9001] RBP: 000020000001f680 R08: 00007f0d38fb4ef0 R09: 0000000000000084
[  476.984279][ T9001] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  476.984293][ T9001] R13: 00007f0d38fb4eb0 R14: 000000000001f790 R15: 00002000000001c0
[  476.984328][ T9001]  </TASK>
[  476.984359][ T9001] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  477.190567][ T8987] gfs2: fsid=syz:syz.0: can't create logd thread: -4
[  477.292279][ T9001] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  478.001505][ T9007] loop3: detected capacity change from 0 to 32768
[  478.082425][ T9007] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  478.090646][ T9007] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  478.126261][ T9007] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[  478.167943][  T980] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  478.195313][  T980] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  478.376069][ T9012] loop2: detected capacity change from 0 to 32768
[  478.430900][  T980] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 235ms
[  478.438819][  T980] gfs2: fsid=syz:syz.0: jid=0: Done
[  478.444436][ T9007] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  478.468304][ T9012] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  478.540385][ T9012] CPU: 1 UID: 0 PID: 9012 Comm: syz.2.503 Not tainted syzkaller #0 PREEMPT(full) 
[  478.540416][ T9012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  478.540430][ T9012] Call Trace:
[  478.540439][ T9012]  <TASK>
[  478.540449][ T9012]  dump_stack_lvl+0x189/0x250
[  478.540489][ T9012]  ? __pfx_dump_stack_lvl+0x10/0x10
[  478.540520][ T9012]  ? __pfx__printk+0x10/0x10
[  478.540551][ T9012]  ? kernfs_path_from_node+0x250/0x290
[  478.540575][ T9012]  ? kernfs_path_from_node+0x2f/0x290
[  478.540604][ T9012]  sysfs_create_dir_ns+0x259/0x280
[  478.540632][ T9012]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  478.540659][ T9012]  ? do_raw_spin_unlock+0x122/0x240
[  478.540697][ T9012]  kobject_add_internal+0x59f/0xb70
[  478.540741][ T9012]  kobject_init_and_add+0x125/0x190
[  478.540778][ T9012]  ? __pfx_kobject_init_and_add+0x10/0x10
[  478.540811][ T9012]  ? __raw_spin_lock_init+0x45/0x100
[  478.540834][ T9012]  ? __init_swait_queue_head+0xa9/0x150
[  478.540871][ T9012]  gfs2_sys_fs_add+0x234/0x450
[  478.540897][ T9012]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  478.540927][ T9012]  ? is_dynamic_key+0xd6/0x1c0
[  478.540950][ T9012]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  478.540989][ T9012]  gfs2_fill_super+0x13d1/0x2270
[  478.541038][ T9012]  ? __pfx_gfs2_fill_super+0x10/0x10
[  478.541073][ T9012]  ? sb_set_blocksize+0x104/0x180
[  478.541108][ T9012]  ? setup_bdev_super+0x4c1/0x5b0
[  478.541139][ T9012]  get_tree_bdev_flags+0x40e/0x4d0
[  478.541165][ T9012]  ? __pfx_gfs2_fill_super+0x10/0x10
[  478.541194][ T9012]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  478.541217][ T9012]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  478.541251][ T9012]  gfs2_get_tree+0x51/0x1e0
[  478.541284][ T9012]  vfs_get_tree+0x92/0x2b0
[  478.541314][ T9012]  do_new_mount+0x302/0xa10
[  478.541340][ T9012]  ? apparmor_capable+0x137/0x1b0
[  478.541370][ T9012]  ? __pfx_do_new_mount+0x10/0x10
[  478.541397][ T9012]  ? ns_capable+0x8a/0xf0
[  478.541426][ T9012]  ? kmem_cache_free+0x19b/0x690
[  478.541459][ T9012]  __se_sys_mount+0x313/0x410
[  478.541495][ T9012]  ? __pfx___se_sys_mount+0x10/0x10
[  478.541529][ T9012]  ? do_syscall_64+0xbe/0xfa0
[  478.541554][ T9012]  ? __x64_sys_mount+0x20/0xc0
[  478.541585][ T9012]  do_syscall_64+0xfa/0xfa0
[  478.541613][ T9012]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  478.541635][ T9012]  ? clear_bhb_loop+0x60/0xb0
[  478.541660][ T9012]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  478.541691][ T9012] RIP: 0033:0x7efc4599038a
[  478.541711][ T9012] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  478.541728][ T9012] RSP: 002b:00007efc4684ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  478.541752][ T9012] RAX: ffffffffffffffda RBX: 00007efc4684eef0 RCX: 00007efc4599038a
[  478.541768][ T9012] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efc4684eeb0
[  478.541783][ T9012] RBP: 000020000001f680 R08: 00007efc4684eef0 R09: 0000000000000084
[  478.541797][ T9012] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  478.541810][ T9012] R13: 00007efc4684eeb0 R14: 000000000001f790 R15: 00002000000001c0
[  478.541847][ T9012]  </TASK>
[  478.541878][ T9012] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  478.667038][ T9019] loop0: detected capacity change from 0 to 32768
[  478.673699][ T9012] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  478.901972][ T9019] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  478.924991][ T9019] CPU: 0 UID: 0 PID: 9019 Comm: syz.0.506 Not tainted syzkaller #0 PREEMPT(full) 
[  478.925021][ T9019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  478.925036][ T9019] Call Trace:
[  478.925044][ T9019]  <TASK>
[  478.925054][ T9019]  dump_stack_lvl+0x189/0x250
[  478.925094][ T9019]  ? __pfx_dump_stack_lvl+0x10/0x10
[  478.925126][ T9019]  ? __pfx__printk+0x10/0x10
[  478.925156][ T9019]  ? kernfs_path_from_node+0x250/0x290
[  478.925180][ T9019]  ? kernfs_path_from_node+0x2f/0x290
[  478.925208][ T9019]  sysfs_create_dir_ns+0x259/0x280
[  478.925237][ T9019]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  478.925263][ T9019]  ? do_raw_spin_unlock+0x122/0x240
[  478.925291][ T9019]  kobject_add_internal+0x59f/0xb70
[  478.925332][ T9019]  kobject_init_and_add+0x125/0x190
[  478.925369][ T9019]  ? __pfx_kobject_init_and_add+0x10/0x10
[  478.925401][ T9019]  ? __raw_spin_lock_init+0x45/0x100
[  478.925425][ T9019]  ? __init_swait_queue_head+0xa9/0x150
[  478.925461][ T9019]  gfs2_sys_fs_add+0x234/0x450
[  478.925489][ T9019]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  478.925520][ T9019]  ? is_dynamic_key+0xd6/0x1c0
[  478.925544][ T9019]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  478.925583][ T9019]  gfs2_fill_super+0x13d1/0x2270
[  478.925631][ T9019]  ? __pfx_gfs2_fill_super+0x10/0x10
[  478.925665][ T9019]  ? sb_set_blocksize+0x104/0x180
[  478.925700][ T9019]  ? setup_bdev_super+0x4c1/0x5b0
[  478.925731][ T9019]  get_tree_bdev_flags+0x40e/0x4d0
[  478.925758][ T9019]  ? __pfx_gfs2_fill_super+0x10/0x10
[  478.925787][ T9019]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  478.925811][ T9019]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  478.925844][ T9019]  gfs2_get_tree+0x51/0x1e0
[  478.925887][ T9019]  vfs_get_tree+0x92/0x2b0
[  478.925916][ T9019]  do_new_mount+0x302/0xa10
[  478.925942][ T9019]  ? apparmor_capable+0x137/0x1b0
[  478.925972][ T9019]  ? __pfx_do_new_mount+0x10/0x10
[  478.926000][ T9019]  ? ns_capable+0x8a/0xf0
[  478.926030][ T9019]  ? kmem_cache_free+0x19b/0x690
[  478.926065][ T9019]  __se_sys_mount+0x313/0x410
[  478.926100][ T9019]  ? __pfx___se_sys_mount+0x10/0x10
[  478.926132][ T9019]  ? do_syscall_64+0xbe/0xfa0
[  478.926157][ T9019]  ? __x64_sys_mount+0x20/0xc0
[  478.926188][ T9019]  do_syscall_64+0xfa/0xfa0
[  478.926216][ T9019]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  478.926236][ T9019]  ? clear_bhb_loop+0x60/0xb0
[  478.926261][ T9019]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  478.926281][ T9019] RIP: 0033:0x7f0d3819038a
[  478.926301][ T9019] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  478.926318][ T9019] RSP: 002b:00007f0d38fb4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  478.926341][ T9019] RAX: ffffffffffffffda RBX: 00007f0d38fb4ef0 RCX: 00007f0d3819038a
[  478.926357][ T9019] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f0d38fb4eb0
[  478.926371][ T9019] RBP: 000020000001f680 R08: 00007f0d38fb4ef0 R09: 0000000000000084
[  478.926386][ T9019] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  478.926399][ T9019] R13: 00007f0d38fb4eb0 R14: 000000000001f790 R15: 00002000000001c0
[  478.926435][ T9019]  </TASK>
[  478.926466][ T9019] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  479.267271][ T9019] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  479.300768][ T9021] loop4: detected capacity change from 0 to 32768
[  479.412786][ T9021] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  479.420451][ T9021] CPU: 0 UID: 0 PID: 9021 Comm: syz.4.505 Not tainted syzkaller #0 PREEMPT(full) 
[  479.420487][ T9021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  479.420500][ T9021] Call Trace:
[  479.420509][ T9021]  <TASK>
[  479.420519][ T9021]  dump_stack_lvl+0x189/0x250
[  479.420559][ T9021]  ? __pfx_dump_stack_lvl+0x10/0x10
[  479.420589][ T9021]  ? __pfx__printk+0x10/0x10
[  479.420620][ T9021]  ? kernfs_path_from_node+0x250/0x290
[  479.420643][ T9021]  ? kernfs_path_from_node+0x2f/0x290
[  479.420671][ T9021]  sysfs_create_dir_ns+0x259/0x280
[  479.420708][ T9021]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  479.420734][ T9021]  ? do_raw_spin_unlock+0x122/0x240
[  479.420761][ T9021]  kobject_add_internal+0x59f/0xb70
[  479.420802][ T9021]  kobject_init_and_add+0x125/0x190
[  479.420838][ T9021]  ? __pfx_kobject_init_and_add+0x10/0x10
[  479.420870][ T9021]  ? __raw_spin_lock_init+0x45/0x100
[  479.420893][ T9021]  ? __init_swait_queue_head+0xa9/0x150
[  479.420927][ T9021]  gfs2_sys_fs_add+0x234/0x450
[  479.420954][ T9021]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  479.420985][ T9021]  ? is_dynamic_key+0xd6/0x1c0
[  479.421008][ T9021]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  479.421047][ T9021]  gfs2_fill_super+0x13d1/0x2270
[  479.421095][ T9021]  ? __pfx_gfs2_fill_super+0x10/0x10
[  479.421129][ T9021]  ? sb_set_blocksize+0x104/0x180
[  479.421163][ T9021]  ? setup_bdev_super+0x4c1/0x5b0
[  479.421194][ T9021]  get_tree_bdev_flags+0x40e/0x4d0
[  479.421221][ T9021]  ? __pfx_gfs2_fill_super+0x10/0x10
[  479.421249][ T9021]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  479.421272][ T9021]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  479.421306][ T9021]  gfs2_get_tree+0x51/0x1e0
[  479.421338][ T9021]  vfs_get_tree+0x92/0x2b0
[  479.421367][ T9021]  do_new_mount+0x302/0xa10
[  479.421394][ T9021]  ? apparmor_capable+0x137/0x1b0
[  479.421423][ T9021]  ? __pfx_do_new_mount+0x10/0x10
[  479.421450][ T9021]  ? ns_capable+0x8a/0xf0
[  479.421479][ T9021]  ? kmem_cache_free+0x19b/0x690
[  479.421512][ T9021]  __se_sys_mount+0x313/0x410
[  479.421545][ T9021]  ? __pfx___se_sys_mount+0x10/0x10
[  479.421578][ T9021]  ? do_syscall_64+0xbe/0xfa0
[  479.421603][ T9021]  ? __x64_sys_mount+0x20/0xc0
[  479.421632][ T9021]  do_syscall_64+0xfa/0xfa0
[  479.421660][ T9021]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  479.421689][ T9021]  ? clear_bhb_loop+0x60/0xb0
[  479.421713][ T9021]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  479.421732][ T9021] RIP: 0033:0x7f7581b9038a
[  479.421751][ T9021] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  479.421769][ T9021] RSP: 002b:00007f758297ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  479.421791][ T9021] RAX: ffffffffffffffda RBX: 00007f758297cef0 RCX: 00007f7581b9038a
[  479.421807][ T9021] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f758297ceb0
[  479.421821][ T9021] RBP: 000020000001f680 R08: 00007f758297cef0 R09: 0000000000000084
2025/11/08 14:38:47 executed programs: 500
[  479.421835][ T9021] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  479.421848][ T9021] R13: 00007f758297ceb0 R14: 000000000001f790 R15: 00002000000001c0
[  479.421879][ T9021]  </TASK>
[  479.811120][ T9017] loop1: detected capacity change from 0 to 32768
[  479.820138][ T9021] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  479.964482][ T9021] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  480.008035][ T9017] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  480.094207][ T9017] CPU: 1 UID: 0 PID: 9017 Comm: syz.1.504 Not tainted syzkaller #0 PREEMPT(full) 
[  480.094238][ T9017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  480.094251][ T9017] Call Trace:
[  480.094260][ T9017]  <TASK>
[  480.094269][ T9017]  dump_stack_lvl+0x189/0x250
[  480.094309][ T9017]  ? __pfx_dump_stack_lvl+0x10/0x10
[  480.094340][ T9017]  ? __pfx__printk+0x10/0x10
[  480.094371][ T9017]  ? kernfs_path_from_node+0x250/0x290
[  480.094394][ T9017]  ? kernfs_path_from_node+0x2f/0x290
[  480.094423][ T9017]  sysfs_create_dir_ns+0x259/0x280
[  480.094451][ T9017]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  480.094477][ T9017]  ? do_raw_spin_unlock+0x122/0x240
[  480.094504][ T9017]  kobject_add_internal+0x59f/0xb70
[  480.094546][ T9017]  kobject_init_and_add+0x125/0x190
[  480.094584][ T9017]  ? __pfx_kobject_init_and_add+0x10/0x10
[  480.094616][ T9017]  ? __raw_spin_lock_init+0x45/0x100
[  480.094637][ T9017]  ? __init_swait_queue_head+0xa9/0x150
[  480.094673][ T9017]  gfs2_sys_fs_add+0x234/0x450
[  480.094700][ T9017]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  480.094732][ T9017]  ? is_dynamic_key+0xd6/0x1c0
[  480.094756][ T9017]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  480.094795][ T9017]  gfs2_fill_super+0x13d1/0x2270
[  480.094843][ T9017]  ? __pfx_gfs2_fill_super+0x10/0x10
[  480.094887][ T9017]  ? sb_set_blocksize+0x104/0x180
[  480.094921][ T9017]  ? setup_bdev_super+0x4c1/0x5b0
[  480.094951][ T9017]  get_tree_bdev_flags+0x40e/0x4d0
[  480.094978][ T9017]  ? __pfx_gfs2_fill_super+0x10/0x10
[  480.095005][ T9017]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  480.095029][ T9017]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  480.095062][ T9017]  gfs2_get_tree+0x51/0x1e0
[  480.095095][ T9017]  vfs_get_tree+0x92/0x2b0
[  480.095124][ T9017]  do_new_mount+0x302/0xa10
[  480.095149][ T9017]  ? apparmor_capable+0x137/0x1b0
[  480.095179][ T9017]  ? __pfx_do_new_mount+0x10/0x10
[  480.095207][ T9017]  ? ns_capable+0x8a/0xf0
[  480.095236][ T9017]  ? kmem_cache_free+0x19b/0x690
[  480.095271][ T9017]  __se_sys_mount+0x313/0x410
[  480.095307][ T9017]  ? __pfx___se_sys_mount+0x10/0x10
[  480.095340][ T9017]  ? do_syscall_64+0xbe/0xfa0
[  480.095366][ T9017]  ? __x64_sys_mount+0x20/0xc0
[  480.095397][ T9017]  do_syscall_64+0xfa/0xfa0
[  480.095425][ T9017]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  480.095445][ T9017]  ? clear_bhb_loop+0x60/0xb0
[  480.095470][ T9017]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  480.095490][ T9017] RIP: 0033:0x7f67e7f9038a
[  480.095509][ T9017] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  480.095527][ T9017] RSP: 002b:00007f67e75fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  480.095550][ T9017] RAX: ffffffffffffffda RBX: 00007f67e75fdef0 RCX: 00007f67e7f9038a
[  480.095566][ T9017] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f67e75fdeb0
[  480.095580][ T9017] RBP: 000020000001f680 R08: 00007f67e75fdef0 R09: 0000000000000084