+0x8a/0xf0
[ 242.674432][ T7146] ? kmem_cache_free+0x19b/0x690
[ 242.674467][ T7146] __se_sys_mount+0x313/0x410
[ 242.674500][ T7146] ? __pfx___se_sys_mount+0x10/0x10
[ 242.674530][ T7146] ? do_syscall_64+0xbe/0xfa0
[ 242.674552][ T7146] ? __x64_sys_mount+0x20/0xc0
[ 242.674580][ T7146] do_syscall_64+0xfa/0xfa0
[ 242.674601][ T7146] ? lockdep_hardirqs_on+0x9c/0x150
[ 242.674624][ T7146] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 242.674643][ T7146] ? clear_bhb_loop+0x60/0xb0
[ 242.674668][ T7146] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 242.674686][ T7146] RIP: 0033:0x7f716d39038a
[ 242.674704][ T7146] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 242.674722][ T7146] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 242.674744][ T7146] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 242.674760][ T7146] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 242.674774][ T7146] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 242.674789][ T7146] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 242.674802][ T7146] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 242.674835][ T7146]
[ 242.674938][ T7146] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 243.002337][ T7146] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 243.339634][ T7150] loop1: detected capacity change from 0 to 32768
[ 243.358643][ T7150] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 243.366060][ T7150] CPU: 1 UID: 0 PID: 7150 Comm: syz.1.152 Not tainted syzkaller #0 PREEMPT(full)
[ 243.366087][ T7150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 243.366099][ T7150] Call Trace:
[ 243.366107][ T7150]
[ 243.366115][ T7150] dump_stack_lvl+0x189/0x250
[ 243.366146][ T7150] ? __pfx_dump_stack_lvl+0x10/0x10
[ 243.366170][ T7150] ? __pfx__printk+0x10/0x10
[ 243.366205][ T7150] ? kernfs_path_from_node+0x250/0x290
[ 243.366224][ T7150] ? kernfs_path_from_node+0x2f/0x290
[ 243.366246][ T7150] sysfs_create_dir_ns+0x259/0x280
[ 243.366269][ T7150] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 243.366291][ T7150] ? do_raw_spin_unlock+0x122/0x240
[ 243.366319][ T7150] kobject_add_internal+0x59f/0xb40
[ 243.366355][ T7150] kobject_init_and_add+0x125/0x190
[ 243.366388][ T7150] ? __pfx_kobject_init_and_add+0x10/0x10
[ 243.366414][ T7150] ? __raw_spin_lock_init+0x45/0x100
[ 243.366440][ T7150] ? __init_swait_queue_head+0xa9/0x150
[ 243.366468][ T7150] gfs2_sys_fs_add+0x234/0x450
[ 243.366512][ T7150] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 243.366547][ T7150] ? is_dynamic_key+0xd6/0x1c0
[ 243.366574][ T7150] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 243.366612][ T7150] gfs2_fill_super+0x13c0/0x20d0
[ 243.366650][ T7150] ? __pfx_gfs2_fill_super+0x10/0x10
[ 243.366681][ T7150] ? sb_set_blocksize+0x104/0x180
[ 243.366706][ T7150] ? setup_bdev_super+0x4c1/0x5b0
[ 243.366733][ T7150] get_tree_bdev_flags+0x40e/0x4d0
[ 243.366757][ T7150] ? __pfx_gfs2_fill_super+0x10/0x10
[ 243.366779][ T7150] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 243.366801][ T7150] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 243.366839][ T7150] gfs2_get_tree+0x51/0x1e0
[ 243.366863][ T7150] vfs_get_tree+0x92/0x2b0
[ 243.366889][ T7150] do_new_mount+0x302/0x9e0
[ 243.366912][ T7150] ? apparmor_capable+0x137/0x1b0
[ 243.366945][ T7150] ? __pfx_do_new_mount+0x10/0x10
[ 243.366969][ T7150] ? ns_capable+0x8a/0xf0
[ 243.366998][ T7150] ? kmem_cache_free+0x19b/0x690
[ 243.367036][ T7150] __se_sys_mount+0x313/0x410
[ 243.367070][ T7150] ? __pfx___se_sys_mount+0x10/0x10
[ 243.367096][ T7150] ? do_syscall_64+0xbe/0xfa0
[ 243.367115][ T7150] ? __x64_sys_mount+0x20/0xc0
[ 243.367141][ T7150] do_syscall_64+0xfa/0xfa0
[ 243.367162][ T7150] ? lockdep_hardirqs_on+0x9c/0x150
[ 243.367184][ T7150] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 243.367203][ T7150] ? clear_bhb_loop+0x60/0xb0
[ 243.367228][ T7150] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 243.367245][ T7150] RIP: 0033:0x7f716d39038a
[ 243.367263][ T7150] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 243.367281][ T7150] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 243.367302][ T7150] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 243.367318][ T7150] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 243.367333][ T7150] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 243.367346][ T7150] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 243.367360][ T7150] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 243.367392][ T7150]
[ 243.679012][ T7150] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 243.694170][ T7150] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 244.087359][ T7154] loop1: detected capacity change from 0 to 32768
[ 244.100848][ T7154] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 244.108851][ T7154] CPU: 0 UID: 0 PID: 7154 Comm: syz.1.153 Not tainted syzkaller #0 PREEMPT(full)
[ 244.108876][ T7154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 244.108888][ T7154] Call Trace:
[ 244.108896][ T7154]
[ 244.108905][ T7154] dump_stack_lvl+0x189/0x250
[ 244.108937][ T7154] ? __pfx_dump_stack_lvl+0x10/0x10
[ 244.109020][ T7154] ? __pfx__printk+0x10/0x10
[ 244.109055][ T7154] ? kernfs_path_from_node+0x250/0x290
[ 244.109076][ T7154] ? kernfs_path_from_node+0x2f/0x290
[ 244.109100][ T7154] sysfs_create_dir_ns+0x259/0x280
[ 244.109123][ T7154] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 244.109145][ T7154] ? do_raw_spin_unlock+0x122/0x240
[ 244.109175][ T7154] kobject_add_internal+0x59f/0xb40
[ 244.109210][ T7154] kobject_init_and_add+0x125/0x190
[ 244.109242][ T7154] ? __pfx_kobject_init_and_add+0x10/0x10
[ 244.109270][ T7154] ? __raw_spin_lock_init+0x45/0x100
[ 244.109296][ T7154] ? __init_swait_queue_head+0xa9/0x150
[ 244.109324][ T7154] gfs2_sys_fs_add+0x234/0x450
[ 244.109355][ T7154] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 244.109389][ T7154] ? is_dynamic_key+0xd6/0x1c0
[ 244.109416][ T7154] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 244.109457][ T7154] gfs2_fill_super+0x13c0/0x20d0
[ 244.109495][ T7154] ? __pfx_gfs2_fill_super+0x10/0x10
[ 244.109523][ T7154] ? sb_set_blocksize+0x104/0x180
[ 244.109548][ T7154] ? setup_bdev_super+0x4c1/0x5b0
[ 244.109577][ T7154] get_tree_bdev_flags+0x40e/0x4d0
[ 244.109600][ T7154] ? __pfx_gfs2_fill_super+0x10/0x10
[ 244.109623][ T7154] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 244.109644][ T7154] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 244.109682][ T7154] gfs2_get_tree+0x51/0x1e0
[ 244.109707][ T7154] vfs_get_tree+0x92/0x2b0
[ 244.109733][ T7154] do_new_mount+0x302/0x9e0
[ 244.109757][ T7154] ? apparmor_capable+0x137/0x1b0
[ 244.109789][ T7154] ? __pfx_do_new_mount+0x10/0x10
[ 244.109814][ T7154] ? ns_capable+0x8a/0xf0
[ 244.109836][ T7154] ? kmem_cache_free+0x19b/0x690
[ 244.109871][ T7154] __se_sys_mount+0x313/0x410
[ 244.109903][ T7154] ? __pfx___se_sys_mount+0x10/0x10
[ 244.109933][ T7154] ? do_syscall_64+0xbe/0xfa0
[ 244.109955][ T7154] ? __x64_sys_mount+0x20/0xc0
[ 244.109988][ T7154] do_syscall_64+0xfa/0xfa0
[ 244.110010][ T7154] ? lockdep_hardirqs_on+0x9c/0x150
[ 244.110032][ T7154] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 244.110052][ T7154] ? clear_bhb_loop+0x60/0xb0
[ 244.110076][ T7154] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 244.110095][ T7154] RIP: 0033:0x7f716d39038a
[ 244.110113][ T7154] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 244.110131][ T7154] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 244.110152][ T7154] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 244.110168][ T7154] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 244.110182][ T7154] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 244.110197][ T7154] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 244.110210][ T7154] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 244.110243][ T7154]
[ 244.110268][ T7154] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 244.437928][ T7154] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/03 07:07:01 executed programs: 139
[ 244.771948][ T7158] loop1: detected capacity change from 0 to 32768
[ 244.800685][ T7158] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 244.809692][ T7158] CPU: 1 UID: 0 PID: 7158 Comm: syz.1.154 Not tainted syzkaller #0 PREEMPT(full)
[ 244.809719][ T7158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 244.809732][ T7158] Call Trace:
[ 244.809740][ T7158]
[ 244.809749][ T7158] dump_stack_lvl+0x189/0x250
[ 244.809782][ T7158] ? __pfx_dump_stack_lvl+0x10/0x10
[ 244.809805][ T7158] ? __pfx__printk+0x10/0x10
[ 244.809839][ T7158] ? kernfs_path_from_node+0x250/0x290
[ 244.809858][ T7158] ? kernfs_path_from_node+0x2f/0x290
[ 244.809877][ T7158] sysfs_create_dir_ns+0x259/0x280
[ 244.809890][ T7158] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 244.809902][ T7158] ? do_raw_spin_unlock+0x122/0x240
[ 244.809918][ T7158] kobject_add_internal+0x59f/0xb40
[ 244.809939][ T7158] kobject_init_and_add+0x125/0x190
[ 244.809968][ T7158] ? __pfx_kobject_init_and_add+0x10/0x10
[ 244.809982][ T7158] ? __raw_spin_lock_init+0x45/0x100
[ 244.809996][ T7158] ? __init_swait_queue_head+0xa9/0x150
[ 244.810011][ T7158] gfs2_sys_fs_add+0x234/0x450
[ 244.810029][ T7158] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 244.810047][ T7158] ? is_dynamic_key+0xd6/0x1c0
[ 244.810061][ T7158] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 244.810082][ T7158] gfs2_fill_super+0x13c0/0x20d0
[ 244.810103][ T7158] ? __pfx_gfs2_fill_super+0x10/0x10
[ 244.810117][ T7158] ? sb_set_blocksize+0x104/0x180
[ 244.810131][ T7158] ? setup_bdev_super+0x4c1/0x5b0
[ 244.810146][ T7158] get_tree_bdev_flags+0x40e/0x4d0
[ 244.810158][ T7158] ? __pfx_gfs2_fill_super+0x10/0x10
[ 244.810170][ T7158] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 244.810181][ T7158] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 244.810208][ T7158] gfs2_get_tree+0x51/0x1e0
[ 244.810221][ T7158] vfs_get_tree+0x92/0x2b0
[ 244.810235][ T7158] do_new_mount+0x302/0x9e0
[ 244.810248][ T7158] ? apparmor_capable+0x137/0x1b0
[ 244.810266][ T7158] ? __pfx_do_new_mount+0x10/0x10
[ 244.810280][ T7158] ? ns_capable+0x8a/0xf0
[ 244.810291][ T7158] ? kmem_cache_free+0x19b/0x690
[ 244.810310][ T7158] __se_sys_mount+0x313/0x410
[ 244.810327][ T7158] ? __pfx___se_sys_mount+0x10/0x10
[ 244.810343][ T7158] ? do_syscall_64+0xbe/0xfa0
[ 244.810354][ T7158] ? __x64_sys_mount+0x20/0xc0
[ 244.810369][ T7158] do_syscall_64+0xfa/0xfa0
[ 244.810380][ T7158] ? lockdep_hardirqs_on+0x9c/0x150
[ 244.810392][ T7158] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 244.810402][ T7158] ? clear_bhb_loop+0x60/0xb0
[ 244.810415][ T7158] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 244.810425][ T7158] RIP: 0033:0x7f716d39038a
[ 244.810435][ T7158] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 244.810445][ T7158] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 244.810457][ T7158] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 244.810465][ T7158] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 244.810473][ T7158] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 244.810480][ T7158] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 244.810487][ T7158] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 244.810504][ T7158]
[ 244.810621][ T7158] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 245.138379][ T7158] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 245.465510][ T7162] loop1: detected capacity change from 0 to 32768
[ 245.479671][ T7162] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 245.487263][ T7162] CPU: 1 UID: 0 PID: 7162 Comm: syz.1.155 Not tainted syzkaller #0 PREEMPT(full)
[ 245.487289][ T7162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 245.487302][ T7162] Call Trace:
[ 245.487310][ T7162]
[ 245.487319][ T7162] dump_stack_lvl+0x189/0x250
[ 245.487352][ T7162] ? __pfx_dump_stack_lvl+0x10/0x10
[ 245.487377][ T7162] ? __pfx__printk+0x10/0x10
[ 245.487413][ T7162] ? kernfs_path_from_node+0x250/0x290
[ 245.487433][ T7162] ? kernfs_path_from_node+0x2f/0x290
[ 245.487457][ T7162] sysfs_create_dir_ns+0x259/0x280
[ 245.487480][ T7162] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 245.487502][ T7162] ? do_raw_spin_unlock+0x122/0x240
[ 245.487532][ T7162] kobject_add_internal+0x59f/0xb40
[ 245.487568][ T7162] kobject_init_and_add+0x125/0x190
[ 245.487600][ T7162] ? __pfx_kobject_init_and_add+0x10/0x10
[ 245.487628][ T7162] ? __raw_spin_lock_init+0x45/0x100
[ 245.487653][ T7162] ? __init_swait_queue_head+0xa9/0x150
[ 245.487681][ T7162] gfs2_sys_fs_add+0x234/0x450
[ 245.487712][ T7162] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 245.487746][ T7162] ? is_dynamic_key+0xd6/0x1c0
[ 245.487774][ T7162] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 245.487812][ T7162] gfs2_fill_super+0x13c0/0x20d0
[ 245.487851][ T7162] ? __pfx_gfs2_fill_super+0x10/0x10
[ 245.487878][ T7162] ? sb_set_blocksize+0x104/0x180
[ 245.487904][ T7162] ? setup_bdev_super+0x4c1/0x5b0
[ 245.487931][ T7162] get_tree_bdev_flags+0x40e/0x4d0
[ 245.487956][ T7162] ? __pfx_gfs2_fill_super+0x10/0x10
[ 245.487978][ T7162] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 245.487999][ T7162] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 245.488038][ T7162] gfs2_get_tree+0x51/0x1e0
[ 245.488069][ T7162] vfs_get_tree+0x92/0x2b0
[ 245.488095][ T7162] do_new_mount+0x302/0x9e0
[ 245.488118][ T7162] ? apparmor_capable+0x137/0x1b0
[ 245.488151][ T7162] ? __pfx_do_new_mount+0x10/0x10
[ 245.488177][ T7162] ? ns_capable+0x8a/0xf0
[ 245.488198][ T7162] ? kmem_cache_free+0x19b/0x690
[ 245.488233][ T7162] __se_sys_mount+0x313/0x410
[ 245.488265][ T7162] ? __pfx___se_sys_mount+0x10/0x10
[ 245.488295][ T7162] ? do_syscall_64+0xbe/0xfa0
[ 245.488316][ T7162] ? __x64_sys_mount+0x20/0xc0
[ 245.488344][ T7162] do_syscall_64+0xfa/0xfa0
[ 245.488366][ T7162] ? lockdep_hardirqs_on+0x9c/0x150
[ 245.488389][ T7162] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 245.488408][ T7162] ? clear_bhb_loop+0x60/0xb0
[ 245.488432][ T7162] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 245.488452][ T7162] RIP: 0033:0x7f716d39038a
[ 245.488469][ T7162] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 245.488487][ T7162] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 245.488508][ T7162] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 245.488523][ T7162] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 245.488539][ T7162] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 245.488552][ T7162] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 245.488566][ T7162] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 245.488599][ T7162]
[ 245.488625][ T7162] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 245.816440][ T7162] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 246.149251][ T7166] loop1: detected capacity change from 0 to 32768
[ 246.162691][ T7166] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 246.170191][ T7166] CPU: 0 UID: 0 PID: 7166 Comm: syz.1.156 Not tainted syzkaller #0 PREEMPT(full)
[ 246.170217][ T7166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 246.170230][ T7166] Call Trace:
[ 246.170238][ T7166]
[ 246.170246][ T7166] dump_stack_lvl+0x189/0x250
[ 246.170278][ T7166] ? __pfx_dump_stack_lvl+0x10/0x10
[ 246.170304][ T7166] ? __pfx__printk+0x10/0x10
[ 246.170340][ T7166] ? kernfs_path_from_node+0x250/0x290
[ 246.170360][ T7166] ? kernfs_path_from_node+0x2f/0x290
[ 246.170385][ T7166] sysfs_create_dir_ns+0x259/0x280
[ 246.170408][ T7166] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 246.170429][ T7166] ? do_raw_spin_unlock+0x122/0x240
[ 246.170457][ T7166] kobject_add_internal+0x59f/0xb40
[ 246.170491][ T7166] kobject_init_and_add+0x125/0x190
[ 246.170522][ T7166] ? __pfx_kobject_init_and_add+0x10/0x10
[ 246.170548][ T7166] ? __raw_spin_lock_init+0x45/0x100
[ 246.170572][ T7166] ? __init_swait_queue_head+0xa9/0x150
[ 246.170599][ T7166] gfs2_sys_fs_add+0x234/0x450
[ 246.170630][ T7166] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 246.170663][ T7166] ? is_dynamic_key+0xd6/0x1c0
[ 246.170689][ T7166] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 246.170727][ T7166] gfs2_fill_super+0x13c0/0x20d0
[ 246.170775][ T7166] ? __pfx_gfs2_fill_super+0x10/0x10
[ 246.170803][ T7166] ? sb_set_blocksize+0x104/0x180
[ 246.170828][ T7166] ? setup_bdev_super+0x4c1/0x5b0
[ 246.170854][ T7166] get_tree_bdev_flags+0x40e/0x4d0
[ 246.170878][ T7166] ? __pfx_gfs2_fill_super+0x10/0x10
[ 246.170901][ T7166] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 246.170923][ T7166] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 246.170963][ T7166] gfs2_get_tree+0x51/0x1e0
[ 246.170988][ T7166] vfs_get_tree+0x92/0x2b0
[ 246.171014][ T7166] do_new_mount+0x302/0x9e0
[ 246.171036][ T7166] ? apparmor_capable+0x137/0x1b0
[ 246.171068][ T7166] ? __pfx_do_new_mount+0x10/0x10
[ 246.171092][ T7166] ? ns_capable+0x8a/0xf0
[ 246.171113][ T7166] ? kmem_cache_free+0x19b/0x690
[ 246.171147][ T7166] __se_sys_mount+0x313/0x410
[ 246.171177][ T7166] ? __pfx___se_sys_mount+0x10/0x10
[ 246.171207][ T7166] ? do_syscall_64+0xbe/0xfa0
[ 246.171228][ T7166] ? __x64_sys_mount+0x20/0xc0
[ 246.171255][ T7166] do_syscall_64+0xfa/0xfa0
[ 246.171276][ T7166] ? lockdep_hardirqs_on+0x9c/0x150
[ 246.171297][ T7166] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 246.171317][ T7166] ? clear_bhb_loop+0x60/0xb0
[ 246.171342][ T7166] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 246.171361][ T7166] RIP: 0033:0x7f716d39038a
[ 246.171379][ T7166] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 246.171398][ T7166] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 246.171418][ T7166] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 246.171433][ T7166] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 246.171448][ T7166] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 246.171462][ T7166] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 246.171475][ T7166] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 246.171509][ T7166]
[ 246.171536][ T7166] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 246.500121][ T7166] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 246.825345][ T7170] loop1: detected capacity change from 0 to 32768
[ 246.840580][ T7170] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 246.848219][ T7170] CPU: 1 UID: 0 PID: 7170 Comm: syz.1.157 Not tainted syzkaller #0 PREEMPT(full)
[ 246.848245][ T7170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 246.848257][ T7170] Call Trace:
[ 246.848265][ T7170]
[ 246.848273][ T7170] dump_stack_lvl+0x189/0x250
[ 246.848306][ T7170] ? __pfx_dump_stack_lvl+0x10/0x10
[ 246.848331][ T7170] ? __pfx__printk+0x10/0x10
[ 246.848365][ T7170] ? kernfs_path_from_node+0x250/0x290
[ 246.848384][ T7170] ? kernfs_path_from_node+0x2f/0x290
[ 246.848407][ T7170] sysfs_create_dir_ns+0x259/0x280
[ 246.848429][ T7170] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 246.848449][ T7170] ? do_raw_spin_unlock+0x122/0x240
[ 246.848476][ T7170] kobject_add_internal+0x59f/0xb40
[ 246.848509][ T7170] kobject_init_and_add+0x125/0x190
[ 246.848541][ T7170] ? __pfx_kobject_init_and_add+0x10/0x10
[ 246.848568][ T7170] ? __raw_spin_lock_init+0x45/0x100
[ 246.848592][ T7170] ? __init_swait_queue_head+0xa9/0x150
[ 246.848619][ T7170] gfs2_sys_fs_add+0x234/0x450
[ 246.848649][ T7170] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 246.848683][ T7170] ? is_dynamic_key+0xd6/0x1c0
[ 246.848709][ T7170] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 246.848746][ T7170] gfs2_fill_super+0x13c0/0x20d0
[ 246.848784][ T7170] ? __pfx_gfs2_fill_super+0x10/0x10
[ 246.848821][ T7170] ? sb_set_blocksize+0x104/0x180
[ 246.848845][ T7170] ? setup_bdev_super+0x4c1/0x5b0
[ 246.848872][ T7170] get_tree_bdev_flags+0x40e/0x4d0
[ 246.848896][ T7170] ? __pfx_gfs2_fill_super+0x10/0x10
[ 246.848919][ T7170] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 246.848941][ T7170] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 246.848979][ T7170] gfs2_get_tree+0x51/0x1e0
[ 246.849003][ T7170] vfs_get_tree+0x92/0x2b0
[ 246.849028][ T7170] do_new_mount+0x302/0x9e0
[ 246.849108][ T7170] ? apparmor_capable+0x137/0x1b0
[ 246.849149][ T7170] ? __pfx_do_new_mount+0x10/0x10
[ 246.849174][ T7170] ? ns_capable+0x8a/0xf0
[ 246.849195][ T7170] ? kmem_cache_free+0x19b/0x690
[ 246.849233][ T7170] __se_sys_mount+0x313/0x410
[ 246.849263][ T7170] ? __pfx___se_sys_mount+0x10/0x10
[ 246.849291][ T7170] ? do_syscall_64+0xbe/0xfa0
[ 246.849313][ T7170] ? __x64_sys_mount+0x20/0xc0
[ 246.849339][ T7170] do_syscall_64+0xfa/0xfa0
[ 246.849359][ T7170] ? lockdep_hardirqs_on+0x9c/0x150
[ 246.849381][ T7170] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 246.849399][ T7170] ? clear_bhb_loop+0x60/0xb0
[ 246.849422][ T7170] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 246.849440][ T7170] RIP: 0033:0x7f716d39038a
[ 246.849457][ T7170] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 246.849475][ T7170] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 246.849495][ T7170] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 246.849510][ T7170] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 246.849525][ T7170] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 246.849538][ T7170] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 246.849551][ T7170] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 246.849581][ T7170]
[ 246.849609][ T7170] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 247.177183][ T7170] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 247.509428][ T7174] loop1: detected capacity change from 0 to 32768
[ 247.522790][ T7174] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 247.530760][ T7174] CPU: 0 UID: 0 PID: 7174 Comm: syz.1.158 Not tainted syzkaller #0 PREEMPT(full)
[ 247.530787][ T7174] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 247.530799][ T7174] Call Trace:
[ 247.530808][ T7174]
[ 247.530816][ T7174] dump_stack_lvl+0x189/0x250
[ 247.530849][ T7174] ? __pfx_dump_stack_lvl+0x10/0x10
[ 247.530874][ T7174] ? __pfx__printk+0x10/0x10
[ 247.530911][ T7174] ? kernfs_path_from_node+0x250/0x290
[ 247.530931][ T7174] ? kernfs_path_from_node+0x2f/0x290
[ 247.530965][ T7174] sysfs_create_dir_ns+0x259/0x280
[ 247.530988][ T7174] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 247.531008][ T7174] ? do_raw_spin_unlock+0x122/0x240
[ 247.531037][ T7174] kobject_add_internal+0x59f/0xb40
[ 247.531071][ T7174] kobject_init_and_add+0x125/0x190
[ 247.531103][ T7174] ? __pfx_kobject_init_and_add+0x10/0x10
[ 247.531130][ T7174] ? __raw_spin_lock_init+0x45/0x100
[ 247.531155][ T7174] ? __init_swait_queue_head+0xa9/0x150
[ 247.531182][ T7174] gfs2_sys_fs_add+0x234/0x450
[ 247.531212][ T7174] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 247.531245][ T7174] ? is_dynamic_key+0xd6/0x1c0
[ 247.531272][ T7174] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 247.531311][ T7174] gfs2_fill_super+0x13c0/0x20d0
[ 247.531349][ T7174] ? __pfx_gfs2_fill_super+0x10/0x10
[ 247.531374][ T7174] ? sb_set_blocksize+0x104/0x180
[ 247.531399][ T7174] ? setup_bdev_super+0x4c1/0x5b0
[ 247.531427][ T7174] get_tree_bdev_flags+0x40e/0x4d0
[ 247.531450][ T7174] ? __pfx_gfs2_fill_super+0x10/0x10
[ 247.531472][ T7174] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 247.531493][ T7174] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 247.531534][ T7174] gfs2_get_tree+0x51/0x1e0
[ 247.531560][ T7174] vfs_get_tree+0x92/0x2b0
[ 247.531586][ T7174] do_new_mount+0x302/0x9e0
[ 247.531610][ T7174] ? apparmor_capable+0x137/0x1b0
[ 247.531642][ T7174] ? __pfx_do_new_mount+0x10/0x10
[ 247.531667][ T7174] ? ns_capable+0x8a/0xf0
[ 247.531688][ T7174] ? kmem_cache_free+0x19b/0x690
[ 247.531723][ T7174] __se_sys_mount+0x313/0x410
[ 247.531752][ T7174] ? __pfx___se_sys_mount+0x10/0x10
[ 247.531782][ T7174] ? do_syscall_64+0xbe/0xfa0
[ 247.531804][ T7174] ? __x64_sys_mount+0x20/0xc0
[ 247.531829][ T7174] do_syscall_64+0xfa/0xfa0
[ 247.531851][ T7174] ? lockdep_hardirqs_on+0x9c/0x150
[ 247.531873][ T7174] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 247.531894][ T7174] ? clear_bhb_loop+0x60/0xb0
[ 247.531918][ T7174] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 247.531937][ T7174] RIP: 0033:0x7f716d39038a
[ 247.531963][ T7174] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 247.531981][ T7174] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 247.532002][ T7174] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 247.532017][ T7174] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 247.532031][ T7174] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 247.532045][ T7174] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 247.532057][ T7174] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 247.532089][ T7174]
[ 247.532114][ T7174] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 247.860206][ T7174] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 248.180846][ T7178] loop1: detected capacity change from 0 to 32768
[ 248.195008][ T7178] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 248.202668][ T7178] CPU: 1 UID: 0 PID: 7178 Comm: syz.1.159 Not tainted syzkaller #0 PREEMPT(full)
[ 248.202692][ T7178] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 248.202704][ T7178] Call Trace:
[ 248.202712][ T7178]
[ 248.202720][ T7178] dump_stack_lvl+0x189/0x250
[ 248.202756][ T7178] ? __pfx_dump_stack_lvl+0x10/0x10
[ 248.202782][ T7178] ? __pfx__printk+0x10/0x10
[ 248.202819][ T7178] ? kernfs_path_from_node+0x250/0x290
[ 248.202838][ T7178] ? kernfs_path_from_node+0x2f/0x290
[ 248.202863][ T7178] sysfs_create_dir_ns+0x259/0x280
[ 248.202886][ T7178] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 248.202908][ T7178] ? do_raw_spin_unlock+0x122/0x240
[ 248.202945][ T7178] kobject_add_internal+0x59f/0xb40
[ 248.202981][ T7178] kobject_init_and_add+0x125/0x190
[ 248.203013][ T7178] ? __pfx_kobject_init_and_add+0x10/0x10
[ 248.203041][ T7178] ? __raw_spin_lock_init+0x45/0x100
[ 248.203067][ T7178] ? __init_swait_queue_head+0xa9/0x150
[ 248.203094][ T7178] gfs2_sys_fs_add+0x234/0x450
[ 248.203126][ T7178] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 248.203162][ T7178] ? is_dynamic_key+0xd6/0x1c0
[ 248.203190][ T7178] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 248.203230][ T7178] gfs2_fill_super+0x13c0/0x20d0
[ 248.203269][ T7178] ? __pfx_gfs2_fill_super+0x10/0x10
[ 248.203295][ T7178] ? sb_set_blocksize+0x104/0x180
[ 248.203321][ T7178] ? setup_bdev_super+0x4c1/0x5b0
[ 248.203346][ T7178] get_tree_bdev_flags+0x40e/0x4d0
[ 248.203369][ T7178] ? __pfx_gfs2_fill_super+0x10/0x10
[ 248.203389][ T7178] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 248.203410][ T7178] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 248.203460][ T7178] gfs2_get_tree+0x51/0x1e0
[ 248.203483][ T7178] vfs_get_tree+0x92/0x2b0
[ 248.203508][ T7178] do_new_mount+0x302/0x9e0
[ 248.203528][ T7178] ? apparmor_capable+0x137/0x1b0
[ 248.203561][ T7178] ? __pfx_do_new_mount+0x10/0x10
[ 248.203587][ T7178] ? ns_capable+0x8a/0xf0
[ 248.203609][ T7178] ? kmem_cache_free+0x19b/0x690
[ 248.203649][ T7178] __se_sys_mount+0x313/0x410
[ 248.203680][ T7178] ? __pfx___se_sys_mount+0x10/0x10
[ 248.203705][ T7178] ? do_syscall_64+0xbe/0xfa0
[ 248.203726][ T7178] ? __x64_sys_mount+0x20/0xc0
[ 248.203754][ T7178] do_syscall_64+0xfa/0xfa0
[ 248.203776][ T7178] ? lockdep_hardirqs_on+0x9c/0x150
[ 248.203798][ T7178] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 248.203818][ T7178] ? clear_bhb_loop+0x60/0xb0
[ 248.203842][ T7178] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 248.203860][ T7178] RIP: 0033:0x7f716d39038a
[ 248.203878][ T7178] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 248.203896][ T7178] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 248.203916][ T7178] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 248.203952][ T7178] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 248.203966][ T7178] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 248.203980][ T7178] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 248.203994][ T7178] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 248.204027][ T7178]
[ 248.204079][ T7178] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 248.531669][ T7178] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 248.866914][ T7182] loop1: detected capacity change from 0 to 32768
[ 248.880224][ T7182] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 248.897173][ T7182] CPU: 1 UID: 0 PID: 7182 Comm: syz.1.160 Not tainted syzkaller #0 PREEMPT(full)
[ 248.897200][ T7182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 248.897213][ T7182] Call Trace:
[ 248.897221][ T7182]
[ 248.897229][ T7182] dump_stack_lvl+0x189/0x250
[ 248.897261][ T7182] ? __pfx_dump_stack_lvl+0x10/0x10
[ 248.897286][ T7182] ? __pfx__printk+0x10/0x10
[ 248.897319][ T7182] ? kernfs_path_from_node+0x250/0x290
[ 248.897339][ T7182] ? kernfs_path_from_node+0x2f/0x290
[ 248.897363][ T7182] sysfs_create_dir_ns+0x259/0x280
[ 248.897385][ T7182] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 248.897406][ T7182] ? do_raw_spin_unlock+0x122/0x240
[ 248.897435][ T7182] kobject_add_internal+0x59f/0xb40
[ 248.897471][ T7182] kobject_init_and_add+0x125/0x190
[ 248.897501][ T7182] ? __pfx_kobject_init_and_add+0x10/0x10
[ 248.897528][ T7182] ? __raw_spin_lock_init+0x45/0x100
[ 248.897552][ T7182] ? __init_swait_queue_head+0xa9/0x150
[ 248.897581][ T7182] gfs2_sys_fs_add+0x234/0x450
[ 248.897614][ T7182] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 248.897649][ T7182] ? is_dynamic_key+0xd6/0x1c0
[ 248.897676][ T7182] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 248.897714][ T7182] gfs2_fill_super+0x13c0/0x20d0
[ 248.897752][ T7182] ? __pfx_gfs2_fill_super+0x10/0x10
[ 248.897787][ T7182] ? sb_set_blocksize+0x104/0x180
[ 248.897814][ T7182] ? setup_bdev_super+0x4c1/0x5b0
[ 248.897840][ T7182] get_tree_bdev_flags+0x40e/0x4d0
[ 248.897864][ T7182] ? __pfx_gfs2_fill_super+0x10/0x10
[ 248.897886][ T7182] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 248.897908][ T7182] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 248.897948][ T7182] gfs2_get_tree+0x51/0x1e0
[ 248.897974][ T7182] vfs_get_tree+0x92/0x2b0
[ 248.898001][ T7182] do_new_mount+0x302/0x9e0
[ 248.898024][ T7182] ? apparmor_capable+0x137/0x1b0
[ 248.898058][ T7182] ? __pfx_do_new_mount+0x10/0x10
[ 248.898082][ T7182] ? ns_capable+0x8a/0xf0
[ 248.898104][ T7182] ? kmem_cache_free+0x19b/0x690
[ 248.898139][ T7182] __se_sys_mount+0x313/0x410
[ 248.898169][ T7182] ? __pfx___se_sys_mount+0x10/0x10
[ 248.898199][ T7182] ? do_syscall_64+0xbe/0xfa0
[ 248.898221][ T7182] ? __x64_sys_mount+0x20/0xc0
[ 248.898250][ T7182] do_syscall_64+0xfa/0xfa0
[ 248.898273][ T7182] ? lockdep_hardirqs_on+0x9c/0x150
[ 248.898296][ T7182] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 248.898317][ T7182] ? clear_bhb_loop+0x60/0xb0
[ 248.898340][ T7182] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 248.898359][ T7182] RIP: 0033:0x7f716d39038a
[ 248.898377][ T7182] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 248.898395][ T7182] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 248.898415][ T7182] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 248.898430][ T7182] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 248.898445][ T7182] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 248.898457][ T7182] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 248.898469][ T7182] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 248.898500][ T7182]
[ 248.898528][ T7182] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 249.225448][ T7182] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 249.556784][ T7186] loop1: detected capacity change from 0 to 32768
[ 249.589331][ T7186] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 249.596863][ T7186] CPU: 0 UID: 0 PID: 7186 Comm: syz.1.161 Not tainted syzkaller #0 PREEMPT(full)
[ 249.596889][ T7186] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 249.596901][ T7186] Call Trace:
[ 249.596910][ T7186]
[ 249.596919][ T7186] dump_stack_lvl+0x189/0x250
[ 249.596951][ T7186] ? __pfx_dump_stack_lvl+0x10/0x10
[ 249.596975][ T7186] ? __pfx__printk+0x10/0x10
[ 249.597009][ T7186] ? kernfs_path_from_node+0x250/0x290
[ 249.597028][ T7186] ? kernfs_path_from_node+0x2f/0x290
[ 249.597053][ T7186] sysfs_create_dir_ns+0x259/0x280
[ 249.597077][ T7186] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 249.597097][ T7186] ? do_raw_spin_unlock+0x122/0x240
[ 249.597125][ T7186] kobject_add_internal+0x59f/0xb40
[ 249.597160][ T7186] kobject_init_and_add+0x125/0x190
[ 249.597193][ T7186] ? __pfx_kobject_init_and_add+0x10/0x10
[ 249.597221][ T7186] ? __raw_spin_lock_init+0x45/0x100
[ 249.597247][ T7186] ? __init_swait_queue_head+0xa9/0x150
[ 249.597275][ T7186] gfs2_sys_fs_add+0x234/0x450
[ 249.597305][ T7186] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 249.597337][ T7186] ? is_dynamic_key+0xd6/0x1c0
[ 249.597362][ T7186] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 249.597399][ T7186] gfs2_fill_super+0x13c0/0x20d0
[ 249.597438][ T7186] ? __pfx_gfs2_fill_super+0x10/0x10
[ 249.597465][ T7186] ? sb_set_blocksize+0x104/0x180
[ 249.597492][ T7186] ? setup_bdev_super+0x4c1/0x5b0
[ 249.597518][ T7186] get_tree_bdev_flags+0x40e/0x4d0
[ 249.597542][ T7186] ? __pfx_gfs2_fill_super+0x10/0x10
[ 249.597562][ T7186] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 249.597583][ T7186] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 249.597615][ T7186] gfs2_get_tree+0x51/0x1e0
[ 249.597636][ T7186] vfs_get_tree+0x92/0x2b0
[ 249.597663][ T7186] do_new_mount+0x302/0x9e0
[ 249.597685][ T7186] ? apparmor_capable+0x137/0x1b0
[ 249.597727][ T7186] ? __pfx_do_new_mount+0x10/0x10
[ 249.597752][ T7186] ? ns_capable+0x8a/0xf0
[ 249.597774][ T7186] ? kmem_cache_free+0x19b/0x690
[ 249.597809][ T7186] __se_sys_mount+0x313/0x410
[ 249.597841][ T7186] ? __pfx___se_sys_mount+0x10/0x10
[ 249.597872][ T7186] ? do_syscall_64+0xbe/0xfa0
[ 249.597893][ T7186] ? __x64_sys_mount+0x20/0xc0
[ 249.597921][ T7186] do_syscall_64+0xfa/0xfa0
[ 249.597942][ T7186] ? lockdep_hardirqs_on+0x9c/0x150
[ 249.597965][ T7186] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 249.597985][ T7186] ? clear_bhb_loop+0x60/0xb0
[ 249.598008][ T7186] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 249.598026][ T7186] RIP: 0033:0x7f716d39038a
[ 249.598044][ T7186] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 249.598061][ T7186] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 249.598082][ T7186] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 249.598097][ T7186] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 249.598110][ T7186] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 249.598124][ T7186] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 249.598138][ T7186] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 249.598171][ T7186]
[ 249.911277][ T7186] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 249.926214][ T7186] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/03 07:07:07 executed programs: 147
[ 250.296057][ T7190] loop1: detected capacity change from 0 to 32768
[ 250.324565][ T7190] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 250.332343][ T7190] CPU: 1 UID: 0 PID: 7190 Comm: syz.1.162 Not tainted syzkaller #0 PREEMPT(full)
[ 250.332371][ T7190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 250.332384][ T7190] Call Trace:
[ 250.332392][ T7190]
[ 250.332401][ T7190] dump_stack_lvl+0x189/0x250
[ 250.332434][ T7190] ? __pfx_dump_stack_lvl+0x10/0x10
[ 250.332458][ T7190] ? __pfx__printk+0x10/0x10
[ 250.332493][ T7190] ? kernfs_path_from_node+0x250/0x290
[ 250.332513][ T7190] ? kernfs_path_from_node+0x2f/0x290
[ 250.332537][ T7190] sysfs_create_dir_ns+0x259/0x280
[ 250.332560][ T7190] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 250.332582][ T7190] ? do_raw_spin_unlock+0x122/0x240
[ 250.332611][ T7190] kobject_add_internal+0x59f/0xb40
[ 250.332649][ T7190] kobject_init_and_add+0x125/0x190
[ 250.332690][ T7190] ? __pfx_kobject_init_and_add+0x10/0x10
[ 250.332718][ T7190] ? __raw_spin_lock_init+0x45/0x100
[ 250.332744][ T7190] ? __init_swait_queue_head+0xa9/0x150
[ 250.332771][ T7190] gfs2_sys_fs_add+0x234/0x450
[ 250.332803][ T7190] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 250.332838][ T7190] ? is_dynamic_key+0xd6/0x1c0
[ 250.332865][ T7190] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 250.332905][ T7190] gfs2_fill_super+0x13c0/0x20d0
[ 250.332944][ T7190] ? __pfx_gfs2_fill_super+0x10/0x10
[ 250.332969][ T7190] ? sb_set_blocksize+0x104/0x180
[ 250.332996][ T7190] ? setup_bdev_super+0x4c1/0x5b0
[ 250.333024][ T7190] get_tree_bdev_flags+0x40e/0x4d0
[ 250.333049][ T7190] ? __pfx_gfs2_fill_super+0x10/0x10
[ 250.333072][ T7190] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 250.333094][ T7190] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 250.333134][ T7190] gfs2_get_tree+0x51/0x1e0
[ 250.333159][ T7190] vfs_get_tree+0x92/0x2b0
[ 250.333183][ T7190] do_new_mount+0x302/0x9e0
[ 250.333206][ T7190] ? apparmor_capable+0x137/0x1b0
[ 250.333238][ T7190] ? __pfx_do_new_mount+0x10/0x10
[ 250.333264][ T7190] ? ns_capable+0x8a/0xf0
[ 250.333287][ T7190] ? kmem_cache_free+0x19b/0x690
[ 250.333322][ T7190] __se_sys_mount+0x313/0x410
[ 250.333355][ T7190] ? __pfx___se_sys_mount+0x10/0x10
[ 250.333384][ T7190] ? do_syscall_64+0xbe/0xfa0
[ 250.333404][ T7190] ? __x64_sys_mount+0x20/0xc0
[ 250.333429][ T7190] do_syscall_64+0xfa/0xfa0
[ 250.333450][ T7190] ? lockdep_hardirqs_on+0x9c/0x150
[ 250.333471][ T7190] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 250.333490][ T7190] ? clear_bhb_loop+0x60/0xb0
[ 250.333515][ T7190] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 250.333535][ T7190] RIP: 0033:0x7f716d39038a
[ 250.333554][ T7190] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 250.333572][ T7190] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 250.333594][ T7190] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 250.333610][ T7190] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 250.333623][ T7190] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 250.333638][ T7190] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 250.333651][ T7190] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 250.333690][ T7190]
[ 250.333717][ T7190] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 250.663405][ T7190] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 251.003692][ T7194] loop1: detected capacity change from 0 to 32768
[ 251.026657][ T7194] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 251.034615][ T7194] CPU: 0 UID: 0 PID: 7194 Comm: syz.1.163 Not tainted syzkaller #0 PREEMPT(full)
[ 251.034643][ T7194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 251.034656][ T7194] Call Trace:
[ 251.034665][ T7194]
[ 251.034674][ T7194] dump_stack_lvl+0x189/0x250
[ 251.034708][ T7194] ? __pfx_dump_stack_lvl+0x10/0x10
[ 251.034733][ T7194] ? __pfx__printk+0x10/0x10
[ 251.034766][ T7194] ? kernfs_path_from_node+0x250/0x290
[ 251.034785][ T7194] ? kernfs_path_from_node+0x2f/0x290
[ 251.034809][ T7194] sysfs_create_dir_ns+0x259/0x280
[ 251.034831][ T7194] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 251.034853][ T7194] ? do_raw_spin_unlock+0x122/0x240
[ 251.034880][ T7194] kobject_add_internal+0x59f/0xb40
[ 251.034916][ T7194] kobject_init_and_add+0x125/0x190
[ 251.034948][ T7194] ? __pfx_kobject_init_and_add+0x10/0x10
[ 251.034975][ T7194] ? __raw_spin_lock_init+0x45/0x100
[ 251.035000][ T7194] ? __init_swait_queue_head+0xa9/0x150
[ 251.035028][ T7194] gfs2_sys_fs_add+0x234/0x450
[ 251.035058][ T7194] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 251.035093][ T7194] ? is_dynamic_key+0xd6/0x1c0
[ 251.035119][ T7194] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 251.035156][ T7194] gfs2_fill_super+0x13c0/0x20d0
[ 251.035196][ T7194] ? __pfx_gfs2_fill_super+0x10/0x10
[ 251.035224][ T7194] ? sb_set_blocksize+0x104/0x180
[ 251.035252][ T7194] ? setup_bdev_super+0x4c1/0x5b0
[ 251.035281][ T7194] get_tree_bdev_flags+0x40e/0x4d0
[ 251.035304][ T7194] ? __pfx_gfs2_fill_super+0x10/0x10
[ 251.035337][ T7194] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 251.035358][ T7194] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 251.035395][ T7194] gfs2_get_tree+0x51/0x1e0
[ 251.035420][ T7194] vfs_get_tree+0x92/0x2b0
[ 251.035444][ T7194] do_new_mount+0x302/0x9e0
[ 251.035466][ T7194] ? apparmor_capable+0x137/0x1b0
[ 251.035500][ T7194] ? __pfx_do_new_mount+0x10/0x10
[ 251.035523][ T7194] ? ns_capable+0x8a/0xf0
[ 251.035544][ T7194] ? kmem_cache_free+0x19b/0x690
[ 251.035578][ T7194] __se_sys_mount+0x313/0x410
[ 251.035609][ T7194] ? __pfx___se_sys_mount+0x10/0x10
[ 251.035638][ T7194] ? do_syscall_64+0xbe/0xfa0
[ 251.035660][ T7194] ? __x64_sys_mount+0x20/0xc0
[ 251.035687][ T7194] do_syscall_64+0xfa/0xfa0
[ 251.035708][ T7194] ? lockdep_hardirqs_on+0x9c/0x150
[ 251.035733][ T7194] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 251.035753][ T7194] ? clear_bhb_loop+0x60/0xb0
[ 251.035778][ T7194] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 251.035799][ T7194] RIP: 0033:0x7f716d39038a
[ 251.035818][ T7194] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 251.035836][ T7194] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 251.035858][ T7194] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 251.035874][ T7194] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 251.035887][ T7194] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 251.035901][ T7194] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 251.035913][ T7194] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 251.035946][ T7194]
[ 251.036063][ T7194] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 251.364658][ T7194] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 251.701781][ T7198] loop1: detected capacity change from 0 to 32768
[ 251.726977][ T7198] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 251.734764][ T7198] CPU: 0 UID: 0 PID: 7198 Comm: syz.1.164 Not tainted syzkaller #0 PREEMPT(full)
[ 251.734791][ T7198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 251.734804][ T7198] Call Trace:
[ 251.734812][ T7198]
[ 251.734821][ T7198] dump_stack_lvl+0x189/0x250
[ 251.734853][ T7198] ? __pfx_dump_stack_lvl+0x10/0x10
[ 251.734878][ T7198] ? __pfx__printk+0x10/0x10
[ 251.734913][ T7198] ? kernfs_path_from_node+0x250/0x290
[ 251.734933][ T7198] ? kernfs_path_from_node+0x2f/0x290
[ 251.734955][ T7198] sysfs_create_dir_ns+0x259/0x280
[ 251.734978][ T7198] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 251.735000][ T7198] ? do_raw_spin_unlock+0x122/0x240
[ 251.735030][ T7198] kobject_add_internal+0x59f/0xb40
[ 251.735066][ T7198] kobject_init_and_add+0x125/0x190
[ 251.735099][ T7198] ? __pfx_kobject_init_and_add+0x10/0x10
[ 251.735127][ T7198] ? __raw_spin_lock_init+0x45/0x100
[ 251.735153][ T7198] ? __init_swait_queue_head+0xa9/0x150
[ 251.735180][ T7198] gfs2_sys_fs_add+0x234/0x450
[ 251.735212][ T7198] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 251.735247][ T7198] ? is_dynamic_key+0xd6/0x1c0
[ 251.735274][ T7198] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 251.735314][ T7198] gfs2_fill_super+0x13c0/0x20d0
[ 251.735353][ T7198] ? __pfx_gfs2_fill_super+0x10/0x10
[ 251.735380][ T7198] ? sb_set_blocksize+0x104/0x180
[ 251.735405][ T7198] ? setup_bdev_super+0x4c1/0x5b0
[ 251.735431][ T7198] get_tree_bdev_flags+0x40e/0x4d0
[ 251.735455][ T7198] ? __pfx_gfs2_fill_super+0x10/0x10
[ 251.735478][ T7198] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 251.735500][ T7198] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 251.735539][ T7198] gfs2_get_tree+0x51/0x1e0
[ 251.735564][ T7198] vfs_get_tree+0x92/0x2b0
[ 251.735590][ T7198] do_new_mount+0x302/0x9e0
[ 251.735612][ T7198] ? apparmor_capable+0x137/0x1b0
[ 251.735652][ T7198] ? __pfx_do_new_mount+0x10/0x10
[ 251.735676][ T7198] ? ns_capable+0x8a/0xf0
[ 251.735696][ T7198] ? kmem_cache_free+0x19b/0x690
[ 251.735729][ T7198] __se_sys_mount+0x313/0x410
[ 251.735761][ T7198] ? __pfx___se_sys_mount+0x10/0x10
[ 251.735789][ T7198] ? do_syscall_64+0xbe/0xfa0
[ 251.735810][ T7198] ? __x64_sys_mount+0x20/0xc0
[ 251.735838][ T7198] do_syscall_64+0xfa/0xfa0
[ 251.735858][ T7198] ? lockdep_hardirqs_on+0x9c/0x150
[ 251.735881][ T7198] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 251.735899][ T7198] ? clear_bhb_loop+0x60/0xb0
[ 251.735923][ T7198] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 251.735942][ T7198] RIP: 0033:0x7f716d39038a
[ 251.735959][ T7198] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 251.735976][ T7198] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 251.735998][ T7198] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 251.736014][ T7198] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 251.736028][ T7198] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 251.736041][ T7198] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 251.736053][ T7198] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 251.736085][ T7198]
[ 251.736112][ T7198] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 252.064729][ T7198] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 252.401301][ T7202] loop1: detected capacity change from 0 to 32768
[ 252.423934][ T7202] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 252.431558][ T7202] CPU: 1 UID: 0 PID: 7202 Comm: syz.1.165 Not tainted syzkaller #0 PREEMPT(full)
[ 252.431585][ T7202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 252.431598][ T7202] Call Trace:
[ 252.431606][ T7202]
[ 252.431613][ T7202] dump_stack_lvl+0x189/0x250
[ 252.431645][ T7202] ? __pfx_dump_stack_lvl+0x10/0x10
[ 252.431670][ T7202] ? __pfx__printk+0x10/0x10
[ 252.431706][ T7202] ? kernfs_path_from_node+0x250/0x290
[ 252.431727][ T7202] ? kernfs_path_from_node+0x2f/0x290
[ 252.431752][ T7202] sysfs_create_dir_ns+0x259/0x280
[ 252.431775][ T7202] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 252.431796][ T7202] ? do_raw_spin_unlock+0x122/0x240
[ 252.431825][ T7202] kobject_add_internal+0x59f/0xb40
[ 252.431860][ T7202] kobject_init_and_add+0x125/0x190
[ 252.431891][ T7202] ? __pfx_kobject_init_and_add+0x10/0x10
[ 252.431918][ T7202] ? __raw_spin_lock_init+0x45/0x100
[ 252.431941][ T7202] ? __init_swait_queue_head+0xa9/0x150
[ 252.431967][ T7202] gfs2_sys_fs_add+0x234/0x450
[ 252.431997][ T7202] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 252.432031][ T7202] ? is_dynamic_key+0xd6/0x1c0
[ 252.432057][ T7202] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 252.432093][ T7202] gfs2_fill_super+0x13c0/0x20d0
[ 252.432131][ T7202] ? __pfx_gfs2_fill_super+0x10/0x10
[ 252.432158][ T7202] ? sb_set_blocksize+0x104/0x180
[ 252.432184][ T7202] ? setup_bdev_super+0x4c1/0x5b0
[ 252.432211][ T7202] get_tree_bdev_flags+0x40e/0x4d0
[ 252.432244][ T7202] ? __pfx_gfs2_fill_super+0x10/0x10
[ 252.432266][ T7202] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 252.432288][ T7202] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 252.432328][ T7202] gfs2_get_tree+0x51/0x1e0
[ 252.432353][ T7202] vfs_get_tree+0x92/0x2b0
[ 252.432380][ T7202] do_new_mount+0x302/0x9e0
[ 252.432403][ T7202] ? apparmor_capable+0x137/0x1b0
[ 252.432434][ T7202] ? __pfx_do_new_mount+0x10/0x10
[ 252.432457][ T7202] ? ns_capable+0x8a/0xf0
[ 252.432478][ T7202] ? kmem_cache_free+0x19b/0x690
[ 252.432512][ T7202] __se_sys_mount+0x313/0x410
[ 252.432543][ T7202] ? __pfx___se_sys_mount+0x10/0x10
[ 252.432572][ T7202] ? do_syscall_64+0xbe/0xfa0
[ 252.432592][ T7202] ? __x64_sys_mount+0x20/0xc0
[ 252.432617][ T7202] do_syscall_64+0xfa/0xfa0
[ 252.432637][ T7202] ? lockdep_hardirqs_on+0x9c/0x150
[ 252.432659][ T7202] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 252.432678][ T7202] ? clear_bhb_loop+0x60/0xb0
[ 252.432702][ T7202] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 252.432720][ T7202] RIP: 0033:0x7f716d39038a
[ 252.432738][ T7202] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 252.432755][ T7202] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 252.432776][ T7202] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 252.432791][ T7202] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 252.432805][ T7202] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 252.432819][ T7202] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 252.432832][ T7202] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 252.432865][ T7202]
[ 252.432903][ T7202] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 252.759128][ T7202] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 253.078933][ T7206] loop1: detected capacity change from 0 to 32768
[ 253.098974][ T7206] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 253.106507][ T7206] CPU: 1 UID: 0 PID: 7206 Comm: syz.1.166 Not tainted syzkaller #0 PREEMPT(full)
[ 253.106532][ T7206] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 253.106543][ T7206] Call Trace:
[ 253.106553][ T7206]
[ 253.106561][ T7206] dump_stack_lvl+0x189/0x250
[ 253.106591][ T7206] ? __pfx_dump_stack_lvl+0x10/0x10
[ 253.106613][ T7206] ? __pfx__printk+0x10/0x10
[ 253.106645][ T7206] ? kernfs_path_from_node+0x250/0x290
[ 253.106668][ T7206] ? kernfs_path_from_node+0x2f/0x290
[ 253.106689][ T7206] sysfs_create_dir_ns+0x259/0x280
[ 253.106709][ T7206] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 253.106730][ T7206] ? do_raw_spin_unlock+0x122/0x240
[ 253.106757][ T7206] kobject_add_internal+0x59f/0xb40
[ 253.106790][ T7206] kobject_init_and_add+0x125/0x190
[ 253.106819][ T7206] ? __pfx_kobject_init_and_add+0x10/0x10
[ 253.106845][ T7206] ? __raw_spin_lock_init+0x45/0x100
[ 253.106868][ T7206] ? __init_swait_queue_head+0xa9/0x150
[ 253.106893][ T7206] gfs2_sys_fs_add+0x234/0x450
[ 253.106921][ T7206] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 253.106956][ T7206] ? is_dynamic_key+0xd6/0x1c0
[ 253.106982][ T7206] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 253.107016][ T7206] gfs2_fill_super+0x13c0/0x20d0
[ 253.107054][ T7206] ? __pfx_gfs2_fill_super+0x10/0x10
[ 253.107081][ T7206] ? sb_set_blocksize+0x104/0x180
[ 253.107105][ T7206] ? setup_bdev_super+0x4c1/0x5b0
[ 253.107130][ T7206] get_tree_bdev_flags+0x40e/0x4d0
[ 253.107156][ T7206] ? __pfx_gfs2_fill_super+0x10/0x10
[ 253.107179][ T7206] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 253.107200][ T7206] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 253.107238][ T7206] gfs2_get_tree+0x51/0x1e0
[ 253.107268][ T7206] vfs_get_tree+0x92/0x2b0
[ 253.107292][ T7206] do_new_mount+0x302/0x9e0
[ 253.107314][ T7206] ? apparmor_capable+0x137/0x1b0
[ 253.107344][ T7206] ? __pfx_do_new_mount+0x10/0x10
[ 253.107367][ T7206] ? ns_capable+0x8a/0xf0
[ 253.107387][ T7206] ? kmem_cache_free+0x19b/0x690
[ 253.107421][ T7206] __se_sys_mount+0x313/0x410
[ 253.107452][ T7206] ? __pfx___se_sys_mount+0x10/0x10
[ 253.107481][ T7206] ? do_syscall_64+0xbe/0xfa0
[ 253.107501][ T7206] ? __x64_sys_mount+0x20/0xc0
[ 253.107528][ T7206] do_syscall_64+0xfa/0xfa0
[ 253.107549][ T7206] ? lockdep_hardirqs_on+0x9c/0x150
[ 253.107572][ T7206] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 253.107591][ T7206] ? clear_bhb_loop+0x60/0xb0
[ 253.107615][ T7206] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 253.107633][ T7206] RIP: 0033:0x7f716d39038a
[ 253.107651][ T7206] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 253.107668][ T7206] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 253.107689][ T7206] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 253.107704][ T7206] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 253.107720][ T7206] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 253.107734][ T7206] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 253.107748][ T7206] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 253.107781][ T7206]
[ 253.420477][ T7206] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 253.437846][ T7206] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 253.764849][ T7210] loop1: detected capacity change from 0 to 32768
[ 253.778621][ T7210] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 253.786090][ T7210] CPU: 0 UID: 0 PID: 7210 Comm: syz.1.167 Not tainted syzkaller #0 PREEMPT(full)
[ 253.786115][ T7210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 253.786136][ T7210] Call Trace:
[ 253.786145][ T7210]
[ 253.786153][ T7210] dump_stack_lvl+0x189/0x250
[ 253.786183][ T7210] ? __pfx_dump_stack_lvl+0x10/0x10
[ 253.786207][ T7210] ? __pfx__printk+0x10/0x10
[ 253.786240][ T7210] ? kernfs_path_from_node+0x250/0x290
[ 253.786260][ T7210] ? kernfs_path_from_node+0x2f/0x290
[ 253.786284][ T7210] sysfs_create_dir_ns+0x259/0x280
[ 253.786307][ T7210] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 253.786331][ T7210] ? do_raw_spin_unlock+0x122/0x240
[ 253.786361][ T7210] kobject_add_internal+0x59f/0xb40
[ 253.786397][ T7210] kobject_init_and_add+0x125/0x190
[ 253.786432][ T7210] ? __pfx_kobject_init_and_add+0x10/0x10
[ 253.786460][ T7210] ? __raw_spin_lock_init+0x45/0x100
[ 253.786489][ T7210] ? __init_swait_queue_head+0xa9/0x150
[ 253.786516][ T7210] gfs2_sys_fs_add+0x234/0x450
[ 253.786547][ T7210] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 253.786581][ T7210] ? is_dynamic_key+0xd6/0x1c0
[ 253.786606][ T7210] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 253.786645][ T7210] gfs2_fill_super+0x13c0/0x20d0
[ 253.786686][ T7210] ? __pfx_gfs2_fill_super+0x10/0x10
[ 253.786714][ T7210] ? sb_set_blocksize+0x104/0x180
[ 253.786740][ T7210] ? setup_bdev_super+0x4c1/0x5b0
[ 253.786768][ T7210] get_tree_bdev_flags+0x40e/0x4d0
[ 253.786790][ T7210] ? __pfx_gfs2_fill_super+0x10/0x10
[ 253.786813][ T7210] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 253.786833][ T7210] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 253.786870][ T7210] gfs2_get_tree+0x51/0x1e0
[ 253.786893][ T7210] vfs_get_tree+0x92/0x2b0
[ 253.786916][ T7210] do_new_mount+0x302/0x9e0
[ 253.786939][ T7210] ? apparmor_capable+0x137/0x1b0
[ 253.786971][ T7210] ? __pfx_do_new_mount+0x10/0x10
[ 253.786996][ T7210] ? ns_capable+0x8a/0xf0
[ 253.787017][ T7210] ? kmem_cache_free+0x19b/0x690
[ 253.787052][ T7210] __se_sys_mount+0x313/0x410
[ 253.787083][ T7210] ? __pfx___se_sys_mount+0x10/0x10
[ 253.787110][ T7210] ? do_syscall_64+0xbe/0xfa0
[ 253.787140][ T7210] ? __x64_sys_mount+0x20/0xc0
[ 253.787167][ T7210] do_syscall_64+0xfa/0xfa0
[ 253.787188][ T7210] ? lockdep_hardirqs_on+0x9c/0x150
[ 253.787211][ T7210] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 253.787231][ T7210] ? clear_bhb_loop+0x60/0xb0
[ 253.787253][ T7210] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 253.787271][ T7210] RIP: 0033:0x7f716d39038a
[ 253.787290][ T7210] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 253.787308][ T7210] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 253.787331][ T7210] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 253.787347][ T7210] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 253.787363][ T7210] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 253.787377][ T7210] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 253.787390][ T7210] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 253.787423][ T7210]
[ 254.100706][ T7210] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 254.114867][ T7210] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 254.456498][ T7214] loop1: detected capacity change from 0 to 32768
[ 254.480162][ T7214] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 254.487750][ T7214] CPU: 0 UID: 0 PID: 7214 Comm: syz.1.168 Not tainted syzkaller #0 PREEMPT(full)
[ 254.487776][ T7214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 254.487788][ T7214] Call Trace:
[ 254.487796][ T7214]
[ 254.487804][ T7214] dump_stack_lvl+0x189/0x250
[ 254.487835][ T7214] ? __pfx_dump_stack_lvl+0x10/0x10
[ 254.487860][ T7214] ? __pfx__printk+0x10/0x10
[ 254.487894][ T7214] ? kernfs_path_from_node+0x250/0x290
[ 254.487912][ T7214] ? kernfs_path_from_node+0x2f/0x290
[ 254.487934][ T7214] sysfs_create_dir_ns+0x259/0x280
[ 254.487956][ T7214] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 254.487977][ T7214] ? do_raw_spin_unlock+0x122/0x240
[ 254.488008][ T7214] kobject_add_internal+0x59f/0xb40
[ 254.488045][ T7214] kobject_init_and_add+0x125/0x190
[ 254.488077][ T7214] ? __pfx_kobject_init_and_add+0x10/0x10
[ 254.488105][ T7214] ? __raw_spin_lock_init+0x45/0x100
[ 254.488130][ T7214] ? __init_swait_queue_head+0xa9/0x150
[ 254.488156][ T7214] gfs2_sys_fs_add+0x234/0x450
[ 254.488185][ T7214] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 254.488218][ T7214] ? is_dynamic_key+0xd6/0x1c0
[ 254.488244][ T7214] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 254.488276][ T7214] gfs2_fill_super+0x13c0/0x20d0
[ 254.488306][ T7214] ? __pfx_gfs2_fill_super+0x10/0x10
[ 254.488320][ T7214] ? sb_set_blocksize+0x104/0x180
[ 254.488335][ T7214] ? setup_bdev_super+0x4c1/0x5b0
[ 254.488349][ T7214] get_tree_bdev_flags+0x40e/0x4d0
[ 254.488362][ T7214] ? __pfx_gfs2_fill_super+0x10/0x10
[ 254.488374][ T7214] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 254.488385][ T7214] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 254.488406][ T7214] gfs2_get_tree+0x51/0x1e0
[ 254.488419][ T7214] vfs_get_tree+0x92/0x2b0
[ 254.488433][ T7214] do_new_mount+0x302/0x9e0
[ 254.488446][ T7214] ? apparmor_capable+0x137/0x1b0
[ 254.488464][ T7214] ? __pfx_do_new_mount+0x10/0x10
[ 254.488482][ T7214] ? ns_capable+0x8a/0xf0
[ 254.488493][ T7214] ? kmem_cache_free+0x19b/0x690
[ 254.488517][ T7214] __se_sys_mount+0x313/0x410
[ 254.488534][ T7214] ? __pfx___se_sys_mount+0x10/0x10
[ 254.488549][ T7214] ? do_syscall_64+0xbe/0xfa0
[ 254.488561][ T7214] ? __x64_sys_mount+0x20/0xc0
[ 254.488576][ T7214] do_syscall_64+0xfa/0xfa0
[ 254.488587][ T7214] ? lockdep_hardirqs_on+0x9c/0x150
[ 254.488599][ T7214] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 254.488609][ T7214] ? clear_bhb_loop+0x60/0xb0
[ 254.488622][ T7214] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 254.488632][ T7214] RIP: 0033:0x7f716d39038a
[ 254.488643][ T7214] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 254.488652][ T7214] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 254.488665][ T7214] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 254.488673][ T7214] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 254.488681][ T7214] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 254.488688][ T7214] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 254.488695][ T7214] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 254.488712][ T7214]
[ 254.488837][ T7214] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 254.817965][ T7214] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 255.141107][ T7218] loop1: detected capacity change from 0 to 32768
[ 255.164615][ T7218] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 255.172255][ T7218] CPU: 0 UID: 0 PID: 7218 Comm: syz.1.169 Not tainted syzkaller #0 PREEMPT(full)
[ 255.172282][ T7218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 255.172305][ T7218] Call Trace:
[ 255.172313][ T7218]
[ 255.172322][ T7218] dump_stack_lvl+0x189/0x250
[ 255.172355][ T7218] ? __pfx_dump_stack_lvl+0x10/0x10
[ 255.172381][ T7218] ? __pfx__printk+0x10/0x10
[ 255.172416][ T7218] ? kernfs_path_from_node+0x250/0x290
[ 255.172436][ T7218] ? kernfs_path_from_node+0x2f/0x290
[ 255.172461][ T7218] sysfs_create_dir_ns+0x259/0x280
[ 255.172486][ T7218] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 255.172510][ T7218] ? do_raw_spin_unlock+0x122/0x240
[ 255.172542][ T7218] kobject_add_internal+0x59f/0xb40
[ 255.172579][ T7218] kobject_init_and_add+0x125/0x190
[ 255.172612][ T7218] ? __pfx_kobject_init_and_add+0x10/0x10
[ 255.172645][ T7218] ? __raw_spin_lock_init+0x45/0x100
[ 255.172671][ T7218] ? __init_swait_queue_head+0xa9/0x150
[ 255.172701][ T7218] gfs2_sys_fs_add+0x234/0x450
[ 255.172733][ T7218] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 255.172768][ T7218] ? is_dynamic_key+0xd6/0x1c0
[ 255.172795][ T7218] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 255.172836][ T7218] gfs2_fill_super+0x13c0/0x20d0
[ 255.172877][ T7218] ? __pfx_gfs2_fill_super+0x10/0x10
[ 255.172906][ T7218] ? sb_set_blocksize+0x104/0x180
[ 255.172933][ T7218] ? setup_bdev_super+0x4c1/0x5b0
[ 255.172961][ T7218] get_tree_bdev_flags+0x40e/0x4d0
[ 255.172986][ T7218] ? __pfx_gfs2_fill_super+0x10/0x10
[ 255.173009][ T7218] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 255.173032][ T7218] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 255.173071][ T7218] gfs2_get_tree+0x51/0x1e0
[ 255.173096][ T7218] vfs_get_tree+0x92/0x2b0
[ 255.173122][ T7218] do_new_mount+0x302/0x9e0
[ 255.173145][ T7218] ? apparmor_capable+0x137/0x1b0
[ 255.173179][ T7218] ? __pfx_do_new_mount+0x10/0x10
[ 255.173206][ T7218] ? ns_capable+0x8a/0xf0
[ 255.173229][ T7218] ? kmem_cache_free+0x19b/0x690
[ 255.173266][ T7218] __se_sys_mount+0x313/0x410
[ 255.173305][ T7218] ? __pfx___se_sys_mount+0x10/0x10
[ 255.173336][ T7218] ? do_syscall_64+0xbe/0xfa0
[ 255.173357][ T7218] ? __x64_sys_mount+0x20/0xc0
[ 255.173384][ T7218] do_syscall_64+0xfa/0xfa0
[ 255.173406][ T7218] ? lockdep_hardirqs_on+0x9c/0x150
[ 255.173428][ T7218] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 255.173448][ T7218] ? clear_bhb_loop+0x60/0xb0
[ 255.173474][ T7218] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 255.173493][ T7218] RIP: 0033:0x7f716d39038a
[ 255.173511][ T7218] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 255.173534][ T7218] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 255.173555][ T7218] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 255.173571][ T7218] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 255.173585][ T7218] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 255.173599][ T7218] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 255.173612][ T7218] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 255.173645][ T7218]
[ 255.173737][ T7218] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 255.502556][ T7218] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/03 07:07:13 executed programs: 155
[ 255.652815][ T1300] ieee802154 phy0 wpan0: encryption failed: -22
[ 255.661738][ T1300] ieee802154 phy1 wpan1: encryption failed: -22
[ 255.848274][ T7222] loop1: detected capacity change from 0 to 32768
[ 255.871702][ T7222] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 255.880506][ T7222] CPU: 0 UID: 0 PID: 7222 Comm: syz.1.170 Not tainted syzkaller #0 PREEMPT(full)
[ 255.880534][ T7222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 255.880547][ T7222] Call Trace:
[ 255.880555][ T7222]
[ 255.880564][ T7222] dump_stack_lvl+0x189/0x250
[ 255.880596][ T7222] ? __pfx_dump_stack_lvl+0x10/0x10
[ 255.880620][ T7222] ? __pfx__printk+0x10/0x10
[ 255.880654][ T7222] ? kernfs_path_from_node+0x250/0x290
[ 255.880683][ T7222] ? kernfs_path_from_node+0x2f/0x290
[ 255.880707][ T7222] sysfs_create_dir_ns+0x259/0x280
[ 255.880733][ T7222] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 255.880755][ T7222] ? do_raw_spin_unlock+0x122/0x240
[ 255.880783][ T7222] kobject_add_internal+0x59f/0xb40
[ 255.880819][ T7222] kobject_init_and_add+0x125/0x190
[ 255.880855][ T7222] ? __pfx_kobject_init_and_add+0x10/0x10
[ 255.880882][ T7222] ? __raw_spin_lock_init+0x45/0x100
[ 255.880907][ T7222] ? __init_swait_queue_head+0xa9/0x150
[ 255.880948][ T7222] gfs2_sys_fs_add+0x234/0x450
[ 255.880984][ T7222] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 255.881020][ T7222] ? is_dynamic_key+0xd6/0x1c0
[ 255.881045][ T7222] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 255.881088][ T7222] gfs2_fill_super+0x13c0/0x20d0
[ 255.881125][ T7222] ? __pfx_gfs2_fill_super+0x10/0x10
[ 255.881151][ T7222] ? sb_set_blocksize+0x104/0x180
[ 255.881176][ T7222] ? setup_bdev_super+0x4c1/0x5b0
[ 255.881202][ T7222] get_tree_bdev_flags+0x40e/0x4d0
[ 255.881224][ T7222] ? __pfx_gfs2_fill_super+0x10/0x10
[ 255.881246][ T7222] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 255.881265][ T7222] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 255.881303][ T7222] gfs2_get_tree+0x51/0x1e0
[ 255.881327][ T7222] vfs_get_tree+0x92/0x2b0
[ 255.881352][ T7222] do_new_mount+0x302/0x9e0
[ 255.881375][ T7222] ? apparmor_capable+0x137/0x1b0
[ 255.881409][ T7222] ? __pfx_do_new_mount+0x10/0x10
[ 255.881434][ T7222] ? ns_capable+0x8a/0xf0
[ 255.881455][ T7222] ? kmem_cache_free+0x19b/0x690
[ 255.881488][ T7222] __se_sys_mount+0x313/0x410
[ 255.881520][ T7222] ? __pfx___se_sys_mount+0x10/0x10
[ 255.881552][ T7222] ? do_syscall_64+0xbe/0xfa0
[ 255.881574][ T7222] ? __x64_sys_mount+0x20/0xc0
[ 255.881602][ T7222] do_syscall_64+0xfa/0xfa0
[ 255.881625][ T7222] ? lockdep_hardirqs_on+0x9c/0x150
[ 255.881646][ T7222] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 255.881666][ T7222] ? clear_bhb_loop+0x60/0xb0
[ 255.881689][ T7222] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 255.881707][ T7222] RIP: 0033:0x7f716d39038a
[ 255.881726][ T7222] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 255.881743][ T7222] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 255.881763][ T7222] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 255.881778][ T7222] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 255.881792][ T7222] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 255.881806][ T7222] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 255.881819][ T7222] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 255.881850][ T7222]
[ 255.881965][ T7222] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 256.211300][ T7222] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 256.545290][ T7226] loop1: detected capacity change from 0 to 32768
[ 256.564467][ T7226] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 256.572082][ T7226] CPU: 1 UID: 0 PID: 7226 Comm: syz.1.171 Not tainted syzkaller #0 PREEMPT(full)
[ 256.572108][ T7226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 256.572121][ T7226] Call Trace:
[ 256.572129][ T7226]
[ 256.572138][ T7226] dump_stack_lvl+0x189/0x250
[ 256.572168][ T7226] ? __pfx_dump_stack_lvl+0x10/0x10
[ 256.572190][ T7226] ? __pfx__printk+0x10/0x10
[ 256.572221][ T7226] ? kernfs_path_from_node+0x250/0x290
[ 256.572239][ T7226] ? kernfs_path_from_node+0x2f/0x290
[ 256.572261][ T7226] sysfs_create_dir_ns+0x259/0x280
[ 256.572283][ T7226] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 256.572304][ T7226] ? do_raw_spin_unlock+0x122/0x240
[ 256.572332][ T7226] kobject_add_internal+0x59f/0xb40
[ 256.572368][ T7226] kobject_init_and_add+0x125/0x190
[ 256.572400][ T7226] ? __pfx_kobject_init_and_add+0x10/0x10
[ 256.572427][ T7226] ? __raw_spin_lock_init+0x45/0x100
[ 256.572453][ T7226] ? __init_swait_queue_head+0xa9/0x150
[ 256.572480][ T7226] gfs2_sys_fs_add+0x234/0x450
[ 256.572510][ T7226] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 256.572545][ T7226] ? is_dynamic_key+0xd6/0x1c0
[ 256.572571][ T7226] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 256.572609][ T7226] gfs2_fill_super+0x13c0/0x20d0
[ 256.572649][ T7226] ? __pfx_gfs2_fill_super+0x10/0x10
[ 256.572677][ T7226] ? sb_set_blocksize+0x104/0x180
[ 256.572704][ T7226] ? setup_bdev_super+0x4c1/0x5b0
[ 256.572732][ T7226] get_tree_bdev_flags+0x40e/0x4d0
[ 256.572755][ T7226] ? __pfx_gfs2_fill_super+0x10/0x10
[ 256.572777][ T7226] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 256.572798][ T7226] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 256.572834][ T7226] gfs2_get_tree+0x51/0x1e0
[ 256.572858][ T7226] vfs_get_tree+0x92/0x2b0
[ 256.572884][ T7226] do_new_mount+0x302/0x9e0
[ 256.572907][ T7226] ? apparmor_capable+0x137/0x1b0
[ 256.572939][ T7226] ? __pfx_do_new_mount+0x10/0x10
[ 256.572974][ T7226] ? ns_capable+0x8a/0xf0
[ 256.572995][ T7226] ? kmem_cache_free+0x19b/0x690
[ 256.573027][ T7226] __se_sys_mount+0x313/0x410
[ 256.573059][ T7226] ? __pfx___se_sys_mount+0x10/0x10
[ 256.573090][ T7226] ? do_syscall_64+0xbe/0xfa0
[ 256.573110][ T7226] ? __x64_sys_mount+0x20/0xc0
[ 256.573137][ T7226] do_syscall_64+0xfa/0xfa0
[ 256.573159][ T7226] ? lockdep_hardirqs_on+0x9c/0x150
[ 256.573183][ T7226] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 256.573202][ T7226] ? clear_bhb_loop+0x60/0xb0
[ 256.573226][ T7226] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 256.573246][ T7226] RIP: 0033:0x7f716d39038a
[ 256.573264][ T7226] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 256.573282][ T7226] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 256.573302][ T7226] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 256.573318][ T7226] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 256.573333][ T7226] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 256.573345][ T7226] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 256.573358][ T7226] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 256.573386][ T7226]
[ 256.573413][ T7226] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 256.900214][ T7226] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 257.244873][ T7230] loop1: detected capacity change from 0 to 32768
[ 257.255794][ T7230] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 257.263672][ T7230] CPU: 1 UID: 0 PID: 7230 Comm: syz.1.172 Not tainted syzkaller #0 PREEMPT(full)
[ 257.263699][ T7230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 257.263711][ T7230] Call Trace:
[ 257.263720][ T7230]
[ 257.263728][ T7230] dump_stack_lvl+0x189/0x250
[ 257.263760][ T7230] ? __pfx_dump_stack_lvl+0x10/0x10
[ 257.263783][ T7230] ? __pfx__printk+0x10/0x10
[ 257.263819][ T7230] ? kernfs_path_from_node+0x250/0x290
[ 257.263839][ T7230] ? kernfs_path_from_node+0x2f/0x290
[ 257.263864][ T7230] sysfs_create_dir_ns+0x259/0x280
[ 257.263888][ T7230] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 257.263909][ T7230] ? do_raw_spin_unlock+0x122/0x240
[ 257.263933][ T7230] kobject_add_internal+0x59f/0xb40
[ 257.263966][ T7230] kobject_init_and_add+0x125/0x190
[ 257.263995][ T7230] ? __pfx_kobject_init_and_add+0x10/0x10
[ 257.264020][ T7230] ? __raw_spin_lock_init+0x45/0x100
[ 257.264044][ T7230] ? __init_swait_queue_head+0xa9/0x150
[ 257.264077][ T7230] gfs2_sys_fs_add+0x234/0x450
[ 257.264108][ T7230] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 257.264149][ T7230] ? is_dynamic_key+0xd6/0x1c0
[ 257.264176][ T7230] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 257.264215][ T7230] gfs2_fill_super+0x13c0/0x20d0
[ 257.264250][ T7230] ? __pfx_gfs2_fill_super+0x10/0x10
[ 257.264273][ T7230] ? sb_set_blocksize+0x104/0x180
[ 257.264296][ T7230] ? setup_bdev_super+0x4c1/0x5b0
[ 257.264323][ T7230] get_tree_bdev_flags+0x40e/0x4d0
[ 257.264346][ T7230] ? __pfx_gfs2_fill_super+0x10/0x10
[ 257.264368][ T7230] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 257.264388][ T7230] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 257.264427][ T7230] gfs2_get_tree+0x51/0x1e0
[ 257.264451][ T7230] vfs_get_tree+0x92/0x2b0
[ 257.264477][ T7230] do_new_mount+0x302/0x9e0
[ 257.264499][ T7230] ? apparmor_capable+0x137/0x1b0
[ 257.264532][ T7230] ? __pfx_do_new_mount+0x10/0x10
[ 257.264558][ T7230] ? ns_capable+0x8a/0xf0
[ 257.264578][ T7230] ? kmem_cache_free+0x19b/0x690
[ 257.264612][ T7230] __se_sys_mount+0x313/0x410
[ 257.264643][ T7230] ? __pfx___se_sys_mount+0x10/0x10
[ 257.264671][ T7230] ? do_syscall_64+0xbe/0xfa0
[ 257.264692][ T7230] ? __x64_sys_mount+0x20/0xc0
[ 257.264719][ T7230] do_syscall_64+0xfa/0xfa0
[ 257.264740][ T7230] ? lockdep_hardirqs_on+0x9c/0x150
[ 257.264762][ T7230] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 257.264780][ T7230] ? clear_bhb_loop+0x60/0xb0
[ 257.264803][ T7230] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 257.264822][ T7230] RIP: 0033:0x7f716d39038a
[ 257.264839][ T7230] 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
[ 257.264858][ T7230] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 257.264880][ T7230] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 257.264897][ T7230] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 257.264913][ T7230] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 257.264927][ T7230] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 257.264941][ T7230] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 257.264973][ T7230]
[ 257.264998][ T7230] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 257.591600][ T7230] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 257.731064][ T5891] Bluetooth: hci0: command 0x0406 tx timeout
[ 257.921496][ T7234] loop1: detected capacity change from 0 to 32768
[ 257.931747][ T7234] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 257.942000][ T7234] CPU: 0 UID: 0 PID: 7234 Comm: syz.1.173 Not tainted syzkaller #0 PREEMPT(full)
[ 257.942026][ T7234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 257.942039][ T7234] Call Trace:
[ 257.942047][ T7234]
[ 257.942056][ T7234] dump_stack_lvl+0x189/0x250
[ 257.942085][ T7234] ? __pfx_dump_stack_lvl+0x10/0x10
[ 257.942109][ T7234] ? __pfx__printk+0x10/0x10
[ 257.942138][ T7234] ? kernfs_path_from_node+0x250/0x290
[ 257.942158][ T7234] ? kernfs_path_from_node+0x2f/0x290
[ 257.942181][ T7234] sysfs_create_dir_ns+0x259/0x280
[ 257.942202][ T7234] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 257.942222][ T7234] ? do_raw_spin_unlock+0x122/0x240
[ 257.942249][ T7234] kobject_add_internal+0x59f/0xb40
[ 257.942282][ T7234] kobject_init_and_add+0x125/0x190
[ 257.942313][ T7234] ? __pfx_kobject_init_and_add+0x10/0x10
[ 257.942339][ T7234] ? __raw_spin_lock_init+0x45/0x100
[ 257.942364][ T7234] ? __init_swait_queue_head+0xa9/0x150
[ 257.942390][ T7234] gfs2_sys_fs_add+0x234/0x450
[ 257.942421][ T7234] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 257.942455][ T7234] ? is_dynamic_key+0xd6/0x1c0
[ 257.942482][ T7234] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 257.942520][ T7234] gfs2_fill_super+0x13c0/0x20d0
[ 257.942557][ T7234] ? __pfx_gfs2_fill_super+0x10/0x10
[ 257.942584][ T7234] ? sb_set_blocksize+0x104/0x180
[ 257.942607][ T7234] ? setup_bdev_super+0x4c1/0x5b0
[ 257.942648][ T7234] get_tree_bdev_flags+0x40e/0x4d0
[ 257.942669][ T7234] ? __pfx_gfs2_fill_super+0x10/0x10
[ 257.942690][ T7234] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 257.942710][ T7234] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 257.942752][ T7234] gfs2_get_tree+0x51/0x1e0
[ 257.942774][ T7234] vfs_get_tree+0x92/0x2b0
[ 257.942798][ T7234] do_new_mount+0x302/0x9e0
[ 257.942819][ T7234] ? apparmor_capable+0x137/0x1b0
[ 257.942848][ T7234] ? __pfx_do_new_mount+0x10/0x10
[ 257.942869][ T7234] ? ns_capable+0x8a/0xf0
[ 257.942888][ T7234] ? kmem_cache_free+0x19b/0x690
[ 257.942918][ T7234] __se_sys_mount+0x313/0x410
[ 257.942945][ T7234] ? __pfx___se_sys_mount+0x10/0x10
[ 257.942970][ T7234] ? do_syscall_64+0xbe/0xfa0
[ 257.942990][ T7234] ? __x64_sys_mount+0x20/0xc0
[ 257.943013][ T7234] do_syscall_64+0xfa/0xfa0
[ 257.943032][ T7234] ? lockdep_hardirqs_on+0x9c/0x150
[ 257.943051][ T7234] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 257.943067][ T7234] ? clear_bhb_loop+0x60/0xb0
[ 257.943088][ T7234] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 257.943104][ T7234] RIP: 0033:0x7f716d39038a
[ 257.943120][ T7234] 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
[ 257.943136][ T7234] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 257.943155][ T7234] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 257.943168][ T7234] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 257.943181][ T7234] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 257.943193][ T7234] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 257.943204][ T7234] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 257.943232][ T7234]
[ 257.943269][ T7234] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 258.271983][ T7234] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 258.617998][ T7238] loop1: detected capacity change from 0 to 32768
[ 258.633809][ T7238] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 258.642438][ T7238] CPU: 1 UID: 0 PID: 7238 Comm: syz.1.174 Not tainted syzkaller #0 PREEMPT(full)
[ 258.642463][ T7238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 258.642477][ T7238] Call Trace:
[ 258.642485][ T7238]
[ 258.642494][ T7238] dump_stack_lvl+0x189/0x250
[ 258.642524][ T7238] ? __pfx_dump_stack_lvl+0x10/0x10
[ 258.642546][ T7238] ? __pfx__printk+0x10/0x10
[ 258.642597][ T7238] ? kernfs_path_from_node+0x250/0x290
[ 258.642618][ T7238] ? kernfs_path_from_node+0x2f/0x290
[ 258.642643][ T7238] sysfs_create_dir_ns+0x259/0x280
[ 258.642666][ T7238] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 258.642687][ T7238] ? do_raw_spin_unlock+0x122/0x240
[ 258.642716][ T7238] kobject_add_internal+0x59f/0xb40
[ 258.642754][ T7238] kobject_init_and_add+0x125/0x190
[ 258.642785][ T7238] ? __pfx_kobject_init_and_add+0x10/0x10
[ 258.642811][ T7238] ? __raw_spin_lock_init+0x45/0x100
[ 258.642834][ T7238] ? __init_swait_queue_head+0xa9/0x150
[ 258.642860][ T7238] gfs2_sys_fs_add+0x234/0x450
[ 258.642890][ T7238] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 258.642921][ T7238] ? is_dynamic_key+0xd6/0x1c0
[ 258.642946][ T7238] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 258.642993][ T7238] gfs2_fill_super+0x13c0/0x20d0
[ 258.643029][ T7238] ? __pfx_gfs2_fill_super+0x10/0x10
[ 258.643056][ T7238] ? sb_set_blocksize+0x104/0x180
[ 258.643081][ T7238] ? setup_bdev_super+0x4c1/0x5b0
[ 258.643107][ T7238] get_tree_bdev_flags+0x40e/0x4d0
[ 258.643130][ T7238] ? __pfx_gfs2_fill_super+0x10/0x10
[ 258.643153][ T7238] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 258.643174][ T7238] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 258.643211][ T7238] gfs2_get_tree+0x51/0x1e0
[ 258.643236][ T7238] vfs_get_tree+0x92/0x2b0
[ 258.643262][ T7238] do_new_mount+0x302/0x9e0
[ 258.643287][ T7238] ? apparmor_capable+0x137/0x1b0
[ 258.643320][ T7238] ? __pfx_do_new_mount+0x10/0x10
[ 258.643346][ T7238] ? ns_capable+0x8a/0xf0
[ 258.643367][ T7238] ? kmem_cache_free+0x19b/0x690
[ 258.643400][ T7238] __se_sys_mount+0x313/0x410
[ 258.643431][ T7238] ? __pfx___se_sys_mount+0x10/0x10
[ 258.643459][ T7238] ? do_syscall_64+0xbe/0xfa0
[ 258.643480][ T7238] ? __x64_sys_mount+0x20/0xc0
[ 258.643506][ T7238] do_syscall_64+0xfa/0xfa0
[ 258.643526][ T7238] ? lockdep_hardirqs_on+0x9c/0x150
[ 258.643554][ T7238] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 258.643574][ T7238] ? clear_bhb_loop+0x60/0xb0
[ 258.643598][ T7238] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 258.643616][ T7238] RIP: 0033:0x7f716d39038a
[ 258.643633][ T7238] 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
[ 258.643651][ T7238] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 258.643673][ T7238] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 258.643688][ T7238] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 258.643702][ T7238] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 258.643716][ T7238] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 258.643729][ T7238] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 258.643762][ T7238]
[ 258.643795][ T7238] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 258.970582][ T7238] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 259.305763][ T7242] loop1: detected capacity change from 0 to 32768
[ 259.320990][ T7242] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 259.328933][ T7242] CPU: 0 UID: 0 PID: 7242 Comm: syz.1.175 Not tainted syzkaller #0 PREEMPT(full)
[ 259.328960][ T7242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 259.328973][ T7242] Call Trace:
[ 259.328981][ T7242]
[ 259.328988][ T7242] dump_stack_lvl+0x189/0x250
[ 259.329018][ T7242] ? __pfx_dump_stack_lvl+0x10/0x10
[ 259.329042][ T7242] ? __pfx__printk+0x10/0x10
[ 259.329075][ T7242] ? kernfs_path_from_node+0x250/0x290
[ 259.329094][ T7242] ? kernfs_path_from_node+0x2f/0x290
[ 259.329117][ T7242] sysfs_create_dir_ns+0x259/0x280
[ 259.329139][ T7242] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 259.329159][ T7242] ? do_raw_spin_unlock+0x122/0x240
[ 259.329187][ T7242] kobject_add_internal+0x59f/0xb40
[ 259.329222][ T7242] kobject_init_and_add+0x125/0x190
[ 259.329254][ T7242] ? __pfx_kobject_init_and_add+0x10/0x10
[ 259.329280][ T7242] ? __raw_spin_lock_init+0x45/0x100
[ 259.329304][ T7242] ? __init_swait_queue_head+0xa9/0x150
[ 259.329331][ T7242] gfs2_sys_fs_add+0x234/0x450
[ 259.329363][ T7242] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 259.329399][ T7242] ? is_dynamic_key+0xd6/0x1c0
[ 259.329425][ T7242] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 259.329464][ T7242] gfs2_fill_super+0x13c0/0x20d0
[ 259.329501][ T7242] ? __pfx_gfs2_fill_super+0x10/0x10
[ 259.329527][ T7242] ? sb_set_blocksize+0x104/0x180
[ 259.329551][ T7242] ? setup_bdev_super+0x4c1/0x5b0
[ 259.329577][ T7242] get_tree_bdev_flags+0x40e/0x4d0
[ 259.329599][ T7242] ? __pfx_gfs2_fill_super+0x10/0x10
[ 259.329621][ T7242] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 259.329640][ T7242] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 259.329680][ T7242] gfs2_get_tree+0x51/0x1e0
[ 259.329703][ T7242] vfs_get_tree+0x92/0x2b0
[ 259.329729][ T7242] do_new_mount+0x302/0x9e0
[ 259.329753][ T7242] ? apparmor_capable+0x137/0x1b0
[ 259.329786][ T7242] ? __pfx_do_new_mount+0x10/0x10
[ 259.329812][ T7242] ? ns_capable+0x8a/0xf0
[ 259.329833][ T7242] ? kmem_cache_free+0x19b/0x690
[ 259.329867][ T7242] __se_sys_mount+0x313/0x410
[ 259.329906][ T7242] ? __pfx___se_sys_mount+0x10/0x10
[ 259.329937][ T7242] ? do_syscall_64+0xbe/0xfa0
[ 259.329960][ T7242] ? __x64_sys_mount+0x20/0xc0
[ 259.329988][ T7242] do_syscall_64+0xfa/0xfa0
[ 259.330010][ T7242] ? lockdep_hardirqs_on+0x9c/0x150
[ 259.330033][ T7242] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 259.330051][ T7242] ? clear_bhb_loop+0x60/0xb0
[ 259.330074][ T7242] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 259.330094][ T7242] RIP: 0033:0x7f716d39038a
[ 259.330110][ T7242] 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
[ 259.330127][ T7242] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 259.330148][ T7242] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 259.330163][ T7242] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 259.330177][ T7242] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 259.330191][ T7242] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 259.330204][ T7242] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 259.330236][ T7242]
[ 259.330288][ T7242] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 259.659245][ T7242] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 259.991729][ T7246] loop1: detected capacity change from 0 to 32768
[ 260.017160][ T7246] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 260.024701][ T7246] CPU: 0 UID: 0 PID: 7246 Comm: syz.1.176 Not tainted syzkaller #0 PREEMPT(full)
[ 260.024725][ T7246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 260.024737][ T7246] Call Trace:
[ 260.024744][ T7246]
[ 260.024752][ T7246] dump_stack_lvl+0x189/0x250
[ 260.024781][ T7246] ? __pfx_dump_stack_lvl+0x10/0x10
[ 260.024804][ T7246] ? __pfx__printk+0x10/0x10
[ 260.024846][ T7246] ? kernfs_path_from_node+0x250/0x290
[ 260.024865][ T7246] ? kernfs_path_from_node+0x2f/0x290
[ 260.024887][ T7246] sysfs_create_dir_ns+0x259/0x280
[ 260.024909][ T7246] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 260.024929][ T7246] ? do_raw_spin_unlock+0x122/0x240
[ 260.024955][ T7246] kobject_add_internal+0x59f/0xb40
[ 260.024988][ T7246] kobject_init_and_add+0x125/0x190
[ 260.025020][ T7246] ? __pfx_kobject_init_and_add+0x10/0x10
[ 260.025046][ T7246] ? __raw_spin_lock_init+0x45/0x100
[ 260.025069][ T7246] ? __init_swait_queue_head+0xa9/0x150
[ 260.025093][ T7246] gfs2_sys_fs_add+0x234/0x450
[ 260.025122][ T7246] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 260.025152][ T7246] ? is_dynamic_key+0xd6/0x1c0
[ 260.025178][ T7246] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 260.025215][ T7246] gfs2_fill_super+0x13c0/0x20d0
[ 260.025253][ T7246] ? __pfx_gfs2_fill_super+0x10/0x10
[ 260.025275][ T7246] ? sb_set_blocksize+0x104/0x180
[ 260.025300][ T7246] ? setup_bdev_super+0x4c1/0x5b0
[ 260.025326][ T7246] get_tree_bdev_flags+0x40e/0x4d0
[ 260.025351][ T7246] ? __pfx_gfs2_fill_super+0x10/0x10
[ 260.025374][ T7246] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 260.025395][ T7246] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 260.025434][ T7246] gfs2_get_tree+0x51/0x1e0
[ 260.025457][ T7246] vfs_get_tree+0x92/0x2b0
[ 260.025482][ T7246] do_new_mount+0x302/0x9e0
[ 260.025503][ T7246] ? apparmor_capable+0x137/0x1b0
[ 260.025532][ T7246] ? __pfx_do_new_mount+0x10/0x10
[ 260.025556][ T7246] ? ns_capable+0x8a/0xf0
[ 260.025575][ T7246] ? kmem_cache_free+0x19b/0x690
[ 260.025608][ T7246] __se_sys_mount+0x313/0x410
[ 260.025638][ T7246] ? __pfx___se_sys_mount+0x10/0x10
[ 260.025667][ T7246] ? do_syscall_64+0xbe/0xfa0
[ 260.025689][ T7246] ? __x64_sys_mount+0x20/0xc0
[ 260.025715][ T7246] do_syscall_64+0xfa/0xfa0
[ 260.025736][ T7246] ? lockdep_hardirqs_on+0x9c/0x150
[ 260.025758][ T7246] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 260.025777][ T7246] ? clear_bhb_loop+0x60/0xb0
[ 260.025801][ T7246] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 260.025819][ T7246] RIP: 0033:0x7f716d39038a
[ 260.025846][ T7246] 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
[ 260.025864][ T7246] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 260.025884][ T7246] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 260.025899][ T7246] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 260.025914][ T7246] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 260.025927][ T7246] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 260.025941][ T7246] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 260.025976][ T7246]
[ 260.026100][ T7246] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 260.353900][ T7246] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 260.693729][ T7250] loop1: detected capacity change from 0 to 32768
[ 260.709009][ T7250] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 260.716527][ T7250] CPU: 0 UID: 0 PID: 7250 Comm: syz.1.177 Not tainted syzkaller #0 PREEMPT(full)
[ 260.716552][ T7250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 260.716564][ T7250] Call Trace:
[ 260.716573][ T7250]
[ 260.716581][ T7250] dump_stack_lvl+0x189/0x250
[ 260.716613][ T7250] ? __pfx_dump_stack_lvl+0x10/0x10
[ 260.716646][ T7250] ? __pfx__printk+0x10/0x10
[ 260.716678][ T7250] ? kernfs_path_from_node+0x250/0x290
[ 260.716698][ T7250] ? kernfs_path_from_node+0x2f/0x290
[ 260.716722][ T7250] sysfs_create_dir_ns+0x259/0x280
[ 260.716744][ T7250] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 260.716766][ T7250] ? do_raw_spin_unlock+0x122/0x240
[ 260.716794][ T7250] kobject_add_internal+0x59f/0xb40
[ 260.716830][ T7250] kobject_init_and_add+0x125/0x190
[ 260.716860][ T7250] ? __pfx_kobject_init_and_add+0x10/0x10
[ 260.716888][ T7250] ? __raw_spin_lock_init+0x45/0x100
[ 260.716914][ T7250] ? __init_swait_queue_head+0xa9/0x150
[ 260.716948][ T7250] gfs2_sys_fs_add+0x234/0x450
[ 260.716981][ T7250] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 260.717016][ T7250] ? is_dynamic_key+0xd6/0x1c0
[ 260.717042][ T7250] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 260.717080][ T7250] gfs2_fill_super+0x13c0/0x20d0
[ 260.717115][ T7250] ? __pfx_gfs2_fill_super+0x10/0x10
[ 260.717139][ T7250] ? sb_set_blocksize+0x104/0x180
[ 260.717164][ T7250] ? setup_bdev_super+0x4c1/0x5b0
[ 260.717189][ T7250] get_tree_bdev_flags+0x40e/0x4d0
[ 260.717211][ T7250] ? __pfx_gfs2_fill_super+0x10/0x10
[ 260.717232][ T7250] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 260.717251][ T7250] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 260.717288][ T7250] gfs2_get_tree+0x51/0x1e0
[ 260.717313][ T7250] vfs_get_tree+0x92/0x2b0
[ 260.717338][ T7250] do_new_mount+0x302/0x9e0
[ 260.717361][ T7250] ? apparmor_capable+0x137/0x1b0
[ 260.717393][ T7250] ? __pfx_do_new_mount+0x10/0x10
[ 260.717417][ T7250] ? ns_capable+0x8a/0xf0
[ 260.717439][ T7250] ? kmem_cache_free+0x19b/0x690
[ 260.717481][ T7250] __se_sys_mount+0x313/0x410
[ 260.717512][ T7250] ? __pfx___se_sys_mount+0x10/0x10
[ 260.717551][ T7250] ? do_syscall_64+0xbe/0xfa0
[ 260.717572][ T7250] ? __x64_sys_mount+0x20/0xc0
[ 260.717598][ T7250] do_syscall_64+0xfa/0xfa0
[ 260.717622][ T7250] ? lockdep_hardirqs_on+0x9c/0x150
[ 260.717645][ T7250] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 260.717666][ T7250] ? clear_bhb_loop+0x60/0xb0
[ 260.717690][ T7250] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 260.717710][ T7250] RIP: 0033:0x7f716d39038a
[ 260.717729][ T7250] 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
[ 260.717747][ T7250] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 260.717768][ T7250] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 260.717782][ T7250] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 260.717797][ T7250] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 260.717810][ T7250] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 260.717823][ T7250] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 260.717857][ T7250]
[ 261.036026][ T7250] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 261.050061][ T7250] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/03 07:07:18 executed programs: 163
[ 261.374455][ T7254] loop1: detected capacity change from 0 to 32768
[ 261.388272][ T7254] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 261.395717][ T7254] CPU: 1 UID: 0 PID: 7254 Comm: syz.1.178 Not tainted syzkaller #0 PREEMPT(full)
[ 261.395743][ T7254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 261.395756][ T7254] Call Trace:
[ 261.395764][ T7254]
[ 261.395773][ T7254] dump_stack_lvl+0x189/0x250
[ 261.395804][ T7254] ? __pfx_dump_stack_lvl+0x10/0x10
[ 261.395829][ T7254] ? __pfx__printk+0x10/0x10
[ 261.395864][ T7254] ? kernfs_path_from_node+0x250/0x290
[ 261.395883][ T7254] ? kernfs_path_from_node+0x2f/0x290
[ 261.395906][ T7254] sysfs_create_dir_ns+0x259/0x280
[ 261.395930][ T7254] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 261.395953][ T7254] ? do_raw_spin_unlock+0x122/0x240
[ 261.395984][ T7254] kobject_add_internal+0x59f/0xb40
[ 261.396021][ T7254] kobject_init_and_add+0x125/0x190
[ 261.396053][ T7254] ? __pfx_kobject_init_and_add+0x10/0x10
[ 261.396080][ T7254] ? __raw_spin_lock_init+0x45/0x100
[ 261.396106][ T7254] ? __init_swait_queue_head+0xa9/0x150
[ 261.396132][ T7254] gfs2_sys_fs_add+0x234/0x450
[ 261.396162][ T7254] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 261.396195][ T7254] ? is_dynamic_key+0xd6/0x1c0
[ 261.396221][ T7254] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 261.396258][ T7254] gfs2_fill_super+0x13c0/0x20d0
[ 261.396292][ T7254] ? __pfx_gfs2_fill_super+0x10/0x10
[ 261.396317][ T7254] ? sb_set_blocksize+0x104/0x180
[ 261.396342][ T7254] ? setup_bdev_super+0x4c1/0x5b0
[ 261.396368][ T7254] get_tree_bdev_flags+0x40e/0x4d0
[ 261.396391][ T7254] ? __pfx_gfs2_fill_super+0x10/0x10
[ 261.396412][ T7254] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 261.396433][ T7254] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 261.396473][ T7254] gfs2_get_tree+0x51/0x1e0
[ 261.396497][ T7254] vfs_get_tree+0x92/0x2b0
[ 261.396521][ T7254] do_new_mount+0x302/0x9e0
[ 261.396554][ T7254] ? apparmor_capable+0x137/0x1b0
[ 261.396589][ T7254] ? __pfx_do_new_mount+0x10/0x10
[ 261.396616][ T7254] ? ns_capable+0x8a/0xf0
[ 261.396638][ T7254] ? kmem_cache_free+0x19b/0x690
[ 261.396677][ T7254] __se_sys_mount+0x313/0x410
[ 261.396709][ T7254] ? __pfx___se_sys_mount+0x10/0x10
[ 261.396738][ T7254] ? do_syscall_64+0xbe/0xfa0
[ 261.396760][ T7254] ? __x64_sys_mount+0x20/0xc0
[ 261.396788][ T7254] do_syscall_64+0xfa/0xfa0
[ 261.396808][ T7254] ? lockdep_hardirqs_on+0x9c/0x150
[ 261.396830][ T7254] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 261.396849][ T7254] ? clear_bhb_loop+0x60/0xb0
[ 261.396873][ T7254] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 261.396893][ T7254] RIP: 0033:0x7f716d39038a
[ 261.396912][ T7254] 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
[ 261.396930][ T7254] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 261.396952][ T7254] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 261.396968][ T7254] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 261.396984][ T7254] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 261.396998][ T7254] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 261.397011][ T7254] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 261.397042][ T7254]
[ 261.709749][ T7254] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 261.724805][ T7254] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 262.050540][ T7258] loop1: detected capacity change from 0 to 32768
[ 262.063122][ T7258] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 262.070690][ T7258] CPU: 0 UID: 0 PID: 7258 Comm: syz.1.179 Not tainted syzkaller #0 PREEMPT(full)
[ 262.070717][ T7258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 262.070729][ T7258] Call Trace:
[ 262.070738][ T7258]
[ 262.070746][ T7258] dump_stack_lvl+0x189/0x250
[ 262.070779][ T7258] ? __pfx_dump_stack_lvl+0x10/0x10
[ 262.070802][ T7258] ? __pfx__printk+0x10/0x10
[ 262.070835][ T7258] ? kernfs_path_from_node+0x250/0x290
[ 262.070854][ T7258] ? kernfs_path_from_node+0x2f/0x290
[ 262.070877][ T7258] sysfs_create_dir_ns+0x259/0x280
[ 262.070899][ T7258] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 262.070921][ T7258] ? do_raw_spin_unlock+0x122/0x240
[ 262.070950][ T7258] kobject_add_internal+0x59f/0xb40
[ 262.070985][ T7258] kobject_init_and_add+0x125/0x190
[ 262.071017][ T7258] ? __pfx_kobject_init_and_add+0x10/0x10
[ 262.071044][ T7258] ? __raw_spin_lock_init+0x45/0x100
[ 262.071069][ T7258] ? __init_swait_queue_head+0xa9/0x150
[ 262.071095][ T7258] gfs2_sys_fs_add+0x234/0x450
[ 262.071126][ T7258] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 262.071158][ T7258] ? is_dynamic_key+0xd6/0x1c0
[ 262.071184][ T7258] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 262.071234][ T7258] gfs2_fill_super+0x13c0/0x20d0
[ 262.071275][ T7258] ? __pfx_gfs2_fill_super+0x10/0x10
[ 262.071302][ T7258] ? sb_set_blocksize+0x104/0x180
[ 262.071328][ T7258] ? setup_bdev_super+0x4c1/0x5b0
[ 262.071354][ T7258] get_tree_bdev_flags+0x40e/0x4d0
[ 262.071376][ T7258] ? __pfx_gfs2_fill_super+0x10/0x10
[ 262.071407][ T7258] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 262.071429][ T7258] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 262.071465][ T7258] gfs2_get_tree+0x51/0x1e0
[ 262.071489][ T7258] vfs_get_tree+0x92/0x2b0
[ 262.071515][ T7258] do_new_mount+0x302/0x9e0
[ 262.071538][ T7258] ? apparmor_capable+0x137/0x1b0
[ 262.071570][ T7258] ? __pfx_do_new_mount+0x10/0x10
[ 262.071595][ T7258] ? ns_capable+0x8a/0xf0
[ 262.071615][ T7258] ? kmem_cache_free+0x19b/0x690
[ 262.071649][ T7258] __se_sys_mount+0x313/0x410
[ 262.071680][ T7258] ? __pfx___se_sys_mount+0x10/0x10
[ 262.071710][ T7258] ? do_syscall_64+0xbe/0xfa0
[ 262.071729][ T7258] ? __x64_sys_mount+0x20/0xc0
[ 262.071755][ T7258] do_syscall_64+0xfa/0xfa0
[ 262.071776][ T7258] ? lockdep_hardirqs_on+0x9c/0x150
[ 262.071800][ T7258] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 262.071821][ T7258] ? clear_bhb_loop+0x60/0xb0
[ 262.071846][ T7258] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 262.071865][ T7258] RIP: 0033:0x7f716d39038a
[ 262.071885][ T7258] 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
[ 262.071902][ T7258] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 262.071923][ T7258] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 262.071938][ T7258] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 262.071952][ T7258] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 262.071966][ T7258] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 262.071979][ T7258] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 262.072011][ T7258]
[ 262.072037][ T7258] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 262.400010][ T7258] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 262.719559][ T7262] loop1: detected capacity change from 0 to 32768
[ 262.735895][ T7262] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 262.743507][ T7262] CPU: 0 UID: 0 PID: 7262 Comm: syz.1.180 Not tainted syzkaller #0 PREEMPT(full)
[ 262.743531][ T7262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 262.743543][ T7262] Call Trace:
[ 262.743551][ T7262]
[ 262.743559][ T7262] dump_stack_lvl+0x189/0x250
[ 262.743591][ T7262] ? __pfx_dump_stack_lvl+0x10/0x10
[ 262.743616][ T7262] ? __pfx__printk+0x10/0x10
[ 262.743652][ T7262] ? kernfs_path_from_node+0x250/0x290
[ 262.743672][ T7262] ? kernfs_path_from_node+0x2f/0x290
[ 262.743695][ T7262] sysfs_create_dir_ns+0x259/0x280
[ 262.743717][ T7262] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 262.743738][ T7262] ? do_raw_spin_unlock+0x122/0x240
[ 262.743768][ T7262] kobject_add_internal+0x59f/0xb40
[ 262.743804][ T7262] kobject_init_and_add+0x125/0x190
[ 262.743836][ T7262] ? __pfx_kobject_init_and_add+0x10/0x10
[ 262.743865][ T7262] ? __raw_spin_lock_init+0x45/0x100
[ 262.743891][ T7262] ? __init_swait_queue_head+0xa9/0x150
[ 262.743919][ T7262] gfs2_sys_fs_add+0x234/0x450
[ 262.743948][ T7262] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 262.743982][ T7262] ? is_dynamic_key+0xd6/0x1c0
[ 262.744009][ T7262] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 262.744050][ T7262] gfs2_fill_super+0x13c0/0x20d0
[ 262.744089][ T7262] ? __pfx_gfs2_fill_super+0x10/0x10
[ 262.744115][ T7262] ? sb_set_blocksize+0x104/0x180
[ 262.744141][ T7262] ? setup_bdev_super+0x4c1/0x5b0
[ 262.744166][ T7262] get_tree_bdev_flags+0x40e/0x4d0
[ 262.744190][ T7262] ? __pfx_gfs2_fill_super+0x10/0x10
[ 262.744213][ T7262] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 262.744235][ T7262] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 262.744274][ T7262] gfs2_get_tree+0x51/0x1e0
[ 262.744299][ T7262] vfs_get_tree+0x92/0x2b0
[ 262.744325][ T7262] do_new_mount+0x302/0x9e0
[ 262.744349][ T7262] ? apparmor_capable+0x137/0x1b0
[ 262.744382][ T7262] ? __pfx_do_new_mount+0x10/0x10
[ 262.744407][ T7262] ? ns_capable+0x8a/0xf0
[ 262.744428][ T7262] ? kmem_cache_free+0x19b/0x690
[ 262.744468][ T7262] __se_sys_mount+0x313/0x410
[ 262.744498][ T7262] ? __pfx___se_sys_mount+0x10/0x10
[ 262.744527][ T7262] ? do_syscall_64+0xbe/0xfa0
[ 262.744548][ T7262] ? __x64_sys_mount+0x20/0xc0
[ 262.744574][ T7262] do_syscall_64+0xfa/0xfa0
[ 262.744595][ T7262] ? lockdep_hardirqs_on+0x9c/0x150
[ 262.744617][ T7262] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 262.744636][ T7262] ? clear_bhb_loop+0x60/0xb0
[ 262.744659][ T7262] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 262.744677][ T7262] RIP: 0033:0x7f716d39038a
[ 262.744695][ T7262] 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
[ 262.744713][ T7262] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 262.744735][ T7262] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 262.744748][ T7262] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 262.744762][ T7262] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 262.744776][ T7262] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 262.744788][ T7262] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 262.744820][ T7262]
[ 262.744846][ T7262] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 263.072355][ T7262] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 263.410582][ T7266] loop1: detected capacity change from 0 to 32768
[ 263.428389][ T7266] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 263.436318][ T7266] CPU: 1 UID: 0 PID: 7266 Comm: syz.1.181 Not tainted syzkaller #0 PREEMPT(full)
[ 263.436346][ T7266] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 263.436360][ T7266] Call Trace:
[ 263.436368][ T7266]
[ 263.436377][ T7266] dump_stack_lvl+0x189/0x250
[ 263.436411][ T7266] ? __pfx_dump_stack_lvl+0x10/0x10
[ 263.436434][ T7266] ? __pfx__printk+0x10/0x10
[ 263.436469][ T7266] ? kernfs_path_from_node+0x250/0x290
[ 263.436488][ T7266] ? kernfs_path_from_node+0x2f/0x290
[ 263.436512][ T7266] sysfs_create_dir_ns+0x259/0x280
[ 263.436535][ T7266] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 263.436563][ T7266] ? do_raw_spin_unlock+0x122/0x240
[ 263.436591][ T7266] kobject_add_internal+0x59f/0xb40
[ 263.436627][ T7266] kobject_init_and_add+0x125/0x190
[ 263.436660][ T7266] ? __pfx_kobject_init_and_add+0x10/0x10
[ 263.436688][ T7266] ? __raw_spin_lock_init+0x45/0x100
[ 263.436716][ T7266] ? __init_swait_queue_head+0xa9/0x150
[ 263.436744][ T7266] gfs2_sys_fs_add+0x234/0x450
[ 263.436774][ T7266] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 263.436807][ T7266] ? is_dynamic_key+0xd6/0x1c0
[ 263.436833][ T7266] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 263.436870][ T7266] gfs2_fill_super+0x13c0/0x20d0
[ 263.436907][ T7266] ? __pfx_gfs2_fill_super+0x10/0x10
[ 263.436933][ T7266] ? sb_set_blocksize+0x104/0x180
[ 263.436958][ T7266] ? setup_bdev_super+0x4c1/0x5b0
[ 263.436985][ T7266] get_tree_bdev_flags+0x40e/0x4d0
[ 263.437009][ T7266] ? __pfx_gfs2_fill_super+0x10/0x10
[ 263.437031][ T7266] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 263.437056][ T7266] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 263.437089][ T7266] gfs2_get_tree+0x51/0x1e0
[ 263.437112][ T7266] vfs_get_tree+0x92/0x2b0
[ 263.437137][ T7266] do_new_mount+0x302/0x9e0
[ 263.437160][ T7266] ? apparmor_capable+0x137/0x1b0
[ 263.437192][ T7266] ? __pfx_do_new_mount+0x10/0x10
[ 263.437216][ T7266] ? ns_capable+0x8a/0xf0
[ 263.437238][ T7266] ? kmem_cache_free+0x19b/0x690
[ 263.437273][ T7266] __se_sys_mount+0x313/0x410
[ 263.437305][ T7266] ? __pfx___se_sys_mount+0x10/0x10
[ 263.437336][ T7266] ? do_syscall_64+0xbe/0xfa0
[ 263.437357][ T7266] ? __x64_sys_mount+0x20/0xc0
[ 263.437385][ T7266] do_syscall_64+0xfa/0xfa0
[ 263.437406][ T7266] ? lockdep_hardirqs_on+0x9c/0x150
[ 263.437430][ T7266] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 263.437450][ T7266] ? clear_bhb_loop+0x60/0xb0
[ 263.437474][ T7266] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 263.437493][ T7266] RIP: 0033:0x7f716d39038a
[ 263.437512][ T7266] 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
[ 263.437530][ T7266] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 263.437558][ T7266] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 263.437572][ T7266] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 263.437586][ T7266] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 263.437599][ T7266] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 263.437612][ T7266] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 263.437646][ T7266]
[ 263.749154][ T7266] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 263.765362][ T7266] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 264.101856][ T7270] loop1: detected capacity change from 0 to 32768
[ 264.120545][ T7270] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 264.128629][ T7270] CPU: 0 UID: 0 PID: 7270 Comm: syz.1.182 Not tainted syzkaller #0 PREEMPT(full)
[ 264.128661][ T7270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 264.128674][ T7270] Call Trace:
[ 264.128683][ T7270]
[ 264.128691][ T7270] dump_stack_lvl+0x189/0x250
[ 264.128726][ T7270] ? __pfx_dump_stack_lvl+0x10/0x10
[ 264.128748][ T7270] ? __pfx__printk+0x10/0x10
[ 264.128788][ T7270] ? kernfs_path_from_node+0x250/0x290
[ 264.128808][ T7270] ? kernfs_path_from_node+0x2f/0x290
[ 264.128831][ T7270] sysfs_create_dir_ns+0x259/0x280
[ 264.128854][ T7270] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 264.128876][ T7270] ? do_raw_spin_unlock+0x122/0x240
[ 264.128910][ T7270] kobject_add_internal+0x59f/0xb40
[ 264.128954][ T7270] kobject_init_and_add+0x125/0x190
[ 264.128988][ T7270] ? __pfx_kobject_init_and_add+0x10/0x10
[ 264.129017][ T7270] ? __raw_spin_lock_init+0x45/0x100
[ 264.129044][ T7270] ? __init_swait_queue_head+0xa9/0x150
[ 264.129072][ T7270] gfs2_sys_fs_add+0x234/0x450
[ 264.129102][ T7270] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 264.129136][ T7270] ? is_dynamic_key+0xd6/0x1c0
[ 264.129169][ T7270] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 264.129208][ T7270] gfs2_fill_super+0x13c0/0x20d0
[ 264.129246][ T7270] ? __pfx_gfs2_fill_super+0x10/0x10
[ 264.129271][ T7270] ? sb_set_blocksize+0x104/0x180
[ 264.129298][ T7270] ? setup_bdev_super+0x4c1/0x5b0
[ 264.129327][ T7270] get_tree_bdev_flags+0x40e/0x4d0
[ 264.129351][ T7270] ? __pfx_gfs2_fill_super+0x10/0x10
[ 264.129373][ T7270] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 264.129396][ T7270] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 264.129433][ T7270] gfs2_get_tree+0x51/0x1e0
[ 264.129458][ T7270] vfs_get_tree+0x92/0x2b0
[ 264.129483][ T7270] do_new_mount+0x302/0x9e0
[ 264.129505][ T7270] ? apparmor_capable+0x137/0x1b0
[ 264.129536][ T7270] ? __pfx_do_new_mount+0x10/0x10
[ 264.129559][ T7270] ? ns_capable+0x8a/0xf0
[ 264.129588][ T7270] ? kmem_cache_free+0x19b/0x690
[ 264.129622][ T7270] __se_sys_mount+0x313/0x410
[ 264.129653][ T7270] ? __pfx___se_sys_mount+0x10/0x10
[ 264.129683][ T7270] ? do_syscall_64+0xbe/0xfa0
[ 264.129705][ T7270] ? __x64_sys_mount+0x20/0xc0
[ 264.129731][ T7270] do_syscall_64+0xfa/0xfa0
[ 264.129752][ T7270] ? lockdep_hardirqs_on+0x9c/0x150
[ 264.129775][ T7270] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 264.129795][ T7270] ? clear_bhb_loop+0x60/0xb0
[ 264.129817][ T7270] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 264.129835][ T7270] RIP: 0033:0x7f716d39038a
[ 264.129854][ T7270] 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
[ 264.129873][ T7270] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 264.129896][ T7270] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 264.129912][ T7270] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 264.129927][ T7270] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 264.129942][ T7270] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 264.129955][ T7270] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 264.129987][ T7270]
[ 264.130014][ T7270] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 264.457939][ T7270] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 264.778572][ T7274] loop1: detected capacity change from 0 to 32768
[ 264.793852][ T7274] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 264.801405][ T7274] CPU: 1 UID: 0 PID: 7274 Comm: syz.1.183 Not tainted syzkaller #0 PREEMPT(full)
[ 264.801431][ T7274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 264.801445][ T7274] Call Trace:
[ 264.801454][ T7274]
[ 264.801463][ T7274] dump_stack_lvl+0x189/0x250
[ 264.801496][ T7274] ? __pfx_dump_stack_lvl+0x10/0x10
[ 264.801521][ T7274] ? __pfx__printk+0x10/0x10
[ 264.801555][ T7274] ? kernfs_path_from_node+0x250/0x290
[ 264.801574][ T7274] ? kernfs_path_from_node+0x2f/0x290
[ 264.801597][ T7274] sysfs_create_dir_ns+0x259/0x280
[ 264.801620][ T7274] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 264.801641][ T7274] ? do_raw_spin_unlock+0x122/0x240
[ 264.801669][ T7274] kobject_add_internal+0x59f/0xb40
[ 264.801703][ T7274] kobject_init_and_add+0x125/0x190
[ 264.801735][ T7274] ? __pfx_kobject_init_and_add+0x10/0x10
[ 264.801763][ T7274] ? __raw_spin_lock_init+0x45/0x100
[ 264.801788][ T7274] ? __init_swait_queue_head+0xa9/0x150
[ 264.801815][ T7274] gfs2_sys_fs_add+0x234/0x450
[ 264.801845][ T7274] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 264.801878][ T7274] ? is_dynamic_key+0xd6/0x1c0
[ 264.801905][ T7274] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 264.801943][ T7274] gfs2_fill_super+0x13c0/0x20d0
[ 264.801982][ T7274] ? __pfx_gfs2_fill_super+0x10/0x10
[ 264.802010][ T7274] ? sb_set_blocksize+0x104/0x180
[ 264.802053][ T7274] ? setup_bdev_super+0x4c1/0x5b0
[ 264.802081][ T7274] get_tree_bdev_flags+0x40e/0x4d0
[ 264.802106][ T7274] ? __pfx_gfs2_fill_super+0x10/0x10
[ 264.802128][ T7274] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 264.802149][ T7274] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 264.802188][ T7274] gfs2_get_tree+0x51/0x1e0
[ 264.802213][ T7274] vfs_get_tree+0x92/0x2b0
[ 264.802238][ T7274] do_new_mount+0x302/0x9e0
[ 264.802262][ T7274] ? apparmor_capable+0x137/0x1b0
[ 264.802302][ T7274] ? __pfx_do_new_mount+0x10/0x10
[ 264.802327][ T7274] ? ns_capable+0x8a/0xf0
[ 264.802349][ T7274] ? kmem_cache_free+0x19b/0x690
[ 264.802386][ T7274] __se_sys_mount+0x313/0x410
[ 264.802419][ T7274] ? __pfx___se_sys_mount+0x10/0x10
[ 264.802450][ T7274] ? do_syscall_64+0xbe/0xfa0
[ 264.802470][ T7274] ? __x64_sys_mount+0x20/0xc0
[ 264.802497][ T7274] do_syscall_64+0xfa/0xfa0
[ 264.802517][ T7274] ? lockdep_hardirqs_on+0x9c/0x150
[ 264.802538][ T7274] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 264.802558][ T7274] ? clear_bhb_loop+0x60/0xb0
[ 264.802580][ T7274] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 264.802598][ T7274] RIP: 0033:0x7f716d39038a
[ 264.802616][ T7274] 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
[ 264.802635][ T7274] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 264.802656][ T7274] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 264.802671][ T7274] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 264.802685][ T7274] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 264.802699][ T7274] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 264.802712][ T7274] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 264.802744][ T7274]
[ 264.802771][ T7274] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 265.129329][ T7274] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 265.460374][ T7278] loop1: detected capacity change from 0 to 32768
[ 265.474677][ T7278] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 265.487164][ T7278] CPU: 0 UID: 0 PID: 7278 Comm: syz.1.184 Not tainted syzkaller #0 PREEMPT(full)
[ 265.487189][ T7278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 265.487201][ T7278] Call Trace:
[ 265.487209][ T7278]
[ 265.487217][ T7278] dump_stack_lvl+0x189/0x250
[ 265.487247][ T7278] ? __pfx_dump_stack_lvl+0x10/0x10
[ 265.487270][ T7278] ? __pfx__printk+0x10/0x10
[ 265.487300][ T7278] ? kernfs_path_from_node+0x250/0x290
[ 265.487319][ T7278] ? kernfs_path_from_node+0x2f/0x290
[ 265.487341][ T7278] sysfs_create_dir_ns+0x259/0x280
[ 265.487363][ T7278] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 265.487382][ T7278] ? do_raw_spin_unlock+0x122/0x240
[ 265.487415][ T7278] kobject_add_internal+0x59f/0xb40
[ 265.487448][ T7278] kobject_init_and_add+0x125/0x190
[ 265.487478][ T7278] ? __pfx_kobject_init_and_add+0x10/0x10
[ 265.487505][ T7278] ? __raw_spin_lock_init+0x45/0x100
[ 265.487530][ T7278] ? __init_swait_queue_head+0xa9/0x150
[ 265.487558][ T7278] gfs2_sys_fs_add+0x234/0x450
[ 265.487587][ T7278] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 265.487618][ T7278] ? is_dynamic_key+0xd6/0x1c0
[ 265.487645][ T7278] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 265.487686][ T7278] gfs2_fill_super+0x13c0/0x20d0
[ 265.487726][ T7278] ? __pfx_gfs2_fill_super+0x10/0x10
[ 265.487754][ T7278] ? sb_set_blocksize+0x104/0x180
[ 265.487779][ T7278] ? setup_bdev_super+0x4c1/0x5b0
[ 265.487805][ T7278] get_tree_bdev_flags+0x40e/0x4d0
[ 265.487828][ T7278] ? __pfx_gfs2_fill_super+0x10/0x10
[ 265.487848][ T7278] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 265.487869][ T7278] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 265.487905][ T7278] gfs2_get_tree+0x51/0x1e0
[ 265.487930][ T7278] vfs_get_tree+0x92/0x2b0
[ 265.487955][ T7278] do_new_mount+0x302/0x9e0
[ 265.487978][ T7278] ? apparmor_capable+0x137/0x1b0
[ 265.488010][ T7278] ? __pfx_do_new_mount+0x10/0x10
[ 265.488035][ T7278] ? ns_capable+0x8a/0xf0
[ 265.488056][ T7278] ? kmem_cache_free+0x19b/0x690
[ 265.488091][ T7278] __se_sys_mount+0x313/0x410
[ 265.488123][ T7278] ? __pfx___se_sys_mount+0x10/0x10
[ 265.488153][ T7278] ? do_syscall_64+0xbe/0xfa0
[ 265.488173][ T7278] ? __x64_sys_mount+0x20/0xc0
[ 265.488199][ T7278] do_syscall_64+0xfa/0xfa0
[ 265.488220][ T7278] ? lockdep_hardirqs_on+0x9c/0x150
[ 265.488243][ T7278] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 265.488264][ T7278] ? clear_bhb_loop+0x60/0xb0
[ 265.488289][ T7278] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 265.488308][ T7278] RIP: 0033:0x7f716d39038a
[ 265.488327][ T7278] 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
[ 265.488346][ T7278] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 265.488366][ T7278] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 265.488381][ T7278] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 265.488396][ T7278] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 265.488417][ T7278] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 265.488429][ T7278] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 265.488461][ T7278]
[ 265.489083][ T7278] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 265.815340][ T7278] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 266.290787][ T7282] loop1: detected capacity change from 0 to 32768
[ 266.303897][ T7282] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 266.312078][ T7282] CPU: 1 UID: 0 PID: 7282 Comm: syz.1.185 Not tainted syzkaller #0 PREEMPT(full)
[ 266.312100][ T7282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 266.312112][ T7282] Call Trace:
[ 266.312120][ T7282]
[ 266.312128][ T7282] dump_stack_lvl+0x189/0x250
[ 266.312159][ T7282] ? __pfx_dump_stack_lvl+0x10/0x10
[ 266.312182][ T7282] ? __pfx__printk+0x10/0x10
[ 266.312217][ T7282] ? kernfs_path_from_node+0x250/0x290
[ 266.312237][ T7282] ? kernfs_path_from_node+0x2f/0x290
[ 266.312260][ T7282] sysfs_create_dir_ns+0x259/0x280
[ 266.312281][ T7282] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 266.312303][ T7282] ? do_raw_spin_unlock+0x122/0x240
[ 266.312356][ T7282] kobject_add_internal+0x59f/0xb40
[ 266.312394][ T7282] kobject_init_and_add+0x125/0x190
[ 266.312426][ T7282] ? __pfx_kobject_init_and_add+0x10/0x10
[ 266.312453][ T7282] ? __raw_spin_lock_init+0x45/0x100
[ 266.312478][ T7282] ? __init_swait_queue_head+0xa9/0x150
[ 266.312504][ T7282] gfs2_sys_fs_add+0x234/0x450
[ 266.312533][ T7282] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 266.312565][ T7282] ? is_dynamic_key+0xd6/0x1c0
[ 266.312591][ T7282] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 266.312630][ T7282] gfs2_fill_super+0x13c0/0x20d0
[ 266.312668][ T7282] ? __pfx_gfs2_fill_super+0x10/0x10
[ 266.312695][ T7282] ? sb_set_blocksize+0x104/0x180
[ 266.312720][ T7282] ? setup_bdev_super+0x4c1/0x5b0
[ 266.312747][ T7282] get_tree_bdev_flags+0x40e/0x4d0
[ 266.312771][ T7282] ? __pfx_gfs2_fill_super+0x10/0x10
[ 266.312793][ T7282] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 266.312814][ T7282] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 266.312850][ T7282] gfs2_get_tree+0x51/0x1e0
[ 266.312874][ T7282] vfs_get_tree+0x92/0x2b0
[ 266.312901][ T7282] do_new_mount+0x302/0x9e0
[ 266.312926][ T7282] ? apparmor_capable+0x137/0x1b0
[ 266.312960][ T7282] ? __pfx_do_new_mount+0x10/0x10
[ 266.312986][ T7282] ? ns_capable+0x8a/0xf0
[ 266.313009][ T7282] ? kmem_cache_free+0x19b/0x690
[ 266.313042][ T7282] __se_sys_mount+0x313/0x410
[ 266.313073][ T7282] ? __pfx___se_sys_mount+0x10/0x10
[ 266.313101][ T7282] ? do_syscall_64+0xbe/0xfa0
[ 266.313122][ T7282] ? __x64_sys_mount+0x20/0xc0
[ 266.313147][ T7282] do_syscall_64+0xfa/0xfa0
[ 266.313167][ T7282] ? lockdep_hardirqs_on+0x9c/0x150
[ 266.313190][ T7282] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 266.313210][ T7282] ? clear_bhb_loop+0x60/0xb0
[ 266.313233][ T7282] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 266.313251][ T7282] RIP: 0033:0x7f716d39038a
[ 266.313270][ T7282] 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
[ 266.313288][ T7282] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 266.313309][ T7282] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 266.313331][ T7282] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 266.313346][ T7282] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 266.313360][ T7282] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 266.313374][ T7282] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 266.313405][ T7282]
[ 266.313431][ T7282] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 266.639677][ T7282] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/03 07:07:24 executed programs: 171
[ 266.971723][ T7286] loop1: detected capacity change from 0 to 32768
[ 266.993175][ T7286] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 267.000707][ T7286] CPU: 1 UID: 0 PID: 7286 Comm: syz.1.186 Not tainted syzkaller #0 PREEMPT(full)
[ 267.000732][ T7286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 267.000744][ T7286] Call Trace:
[ 267.000752][ T7286]
[ 267.000761][ T7286] dump_stack_lvl+0x189/0x250
[ 267.000792][ T7286] ? __pfx_dump_stack_lvl+0x10/0x10
[ 267.000815][ T7286] ? __pfx__printk+0x10/0x10
[ 267.000847][ T7286] ? kernfs_path_from_node+0x250/0x290
[ 267.000866][ T7286] ? kernfs_path_from_node+0x2f/0x290
[ 267.000889][ T7286] sysfs_create_dir_ns+0x259/0x280
[ 267.000910][ T7286] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 267.000922][ T7286] ? do_raw_spin_unlock+0x122/0x240
[ 267.000938][ T7286] kobject_add_internal+0x59f/0xb40
[ 267.000958][ T7286] kobject_init_and_add+0x125/0x190
[ 267.000975][ T7286] ? __pfx_kobject_init_and_add+0x10/0x10
[ 267.000990][ T7286] ? __raw_spin_lock_init+0x45/0x100
[ 267.001004][ T7286] ? __init_swait_queue_head+0xa9/0x150
[ 267.001018][ T7286] gfs2_sys_fs_add+0x234/0x450
[ 267.001045][ T7286] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 267.001077][ T7286] ? is_dynamic_key+0xd6/0x1c0
[ 267.001100][ T7286] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 267.001137][ T7286] gfs2_fill_super+0x13c0/0x20d0
[ 267.001158][ T7286] ? __pfx_gfs2_fill_super+0x10/0x10
[ 267.001172][ T7286] ? sb_set_blocksize+0x104/0x180
[ 267.001187][ T7286] ? setup_bdev_super+0x4c1/0x5b0
[ 267.001201][ T7286] get_tree_bdev_flags+0x40e/0x4d0
[ 267.001214][ T7286] ? __pfx_gfs2_fill_super+0x10/0x10
[ 267.001225][ T7286] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 267.001237][ T7286] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 267.001258][ T7286] gfs2_get_tree+0x51/0x1e0
[ 267.001271][ T7286] vfs_get_tree+0x92/0x2b0
[ 267.001284][ T7286] do_new_mount+0x302/0x9e0
[ 267.001298][ T7286] ? apparmor_capable+0x137/0x1b0
[ 267.001325][ T7286] ? __pfx_do_new_mount+0x10/0x10
[ 267.001339][ T7286] ? ns_capable+0x8a/0xf0
[ 267.001350][ T7286] ? kmem_cache_free+0x19b/0x690
[ 267.001369][ T7286] __se_sys_mount+0x313/0x410
[ 267.001386][ T7286] ? __pfx___se_sys_mount+0x10/0x10
[ 267.001402][ T7286] ? do_syscall_64+0xbe/0xfa0
[ 267.001414][ T7286] ? __x64_sys_mount+0x20/0xc0
[ 267.001428][ T7286] do_syscall_64+0xfa/0xfa0
[ 267.001439][ T7286] ? lockdep_hardirqs_on+0x9c/0x150
[ 267.001451][ T7286] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 267.001462][ T7286] ? clear_bhb_loop+0x60/0xb0
[ 267.001475][ T7286] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 267.001485][ T7286] RIP: 0033:0x7f716d39038a
[ 267.001496][ T7286] 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
[ 267.001505][ T7286] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 267.001518][ T7286] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 267.001526][ T7286] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 267.001533][ T7286] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 267.001541][ T7286] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 267.001548][ T7286] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 267.001564][ T7286]
[ 267.001582][ T7286] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 267.328070][ T7286] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 267.664664][ T7290] loop1: detected capacity change from 0 to 32768
[ 267.677731][ T7290] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 267.685136][ T7290] CPU: 0 UID: 0 PID: 7290 Comm: syz.1.187 Not tainted syzkaller #0 PREEMPT(full)
[ 267.685160][ T7290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 267.685172][ T7290] Call Trace:
[ 267.685180][ T7290]
[ 267.685187][ T7290] dump_stack_lvl+0x189/0x250
[ 267.685218][ T7290] ? __pfx_dump_stack_lvl+0x10/0x10
[ 267.685239][ T7290] ? __pfx__printk+0x10/0x10
[ 267.685270][ T7290] ? kernfs_path_from_node+0x250/0x290
[ 267.685287][ T7290] ? kernfs_path_from_node+0x2f/0x290
[ 267.685309][ T7290] sysfs_create_dir_ns+0x259/0x280
[ 267.685332][ T7290] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 267.685354][ T7290] ? do_raw_spin_unlock+0x122/0x240
[ 267.685378][ T7290] kobject_add_internal+0x59f/0xb40
[ 267.685409][ T7290] kobject_init_and_add+0x125/0x190
[ 267.685437][ T7290] ? __pfx_kobject_init_and_add+0x10/0x10
[ 267.685460][ T7290] ? __raw_spin_lock_init+0x45/0x100
[ 267.685482][ T7290] ? __init_swait_queue_head+0xa9/0x150
[ 267.685506][ T7290] gfs2_sys_fs_add+0x234/0x450
[ 267.685532][ T7290] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 267.685561][ T7290] ? is_dynamic_key+0xd6/0x1c0
[ 267.685584][ T7290] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 267.685617][ T7290] gfs2_fill_super+0x13c0/0x20d0
[ 267.685650][ T7290] ? __pfx_gfs2_fill_super+0x10/0x10
[ 267.685672][ T7290] ? sb_set_blocksize+0x104/0x180
[ 267.685694][ T7290] ? setup_bdev_super+0x4c1/0x5b0
[ 267.685716][ T7290] get_tree_bdev_flags+0x40e/0x4d0
[ 267.685737][ T7290] ? __pfx_gfs2_fill_super+0x10/0x10
[ 267.685755][ T7290] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 267.685774][ T7290] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 267.685806][ T7290] gfs2_get_tree+0x51/0x1e0
[ 267.685828][ T7290] vfs_get_tree+0x92/0x2b0
[ 267.685849][ T7290] do_new_mount+0x302/0x9e0
[ 267.685869][ T7290] ? apparmor_capable+0x137/0x1b0
[ 267.685898][ T7290] ? __pfx_do_new_mount+0x10/0x10
[ 267.685919][ T7290] ? ns_capable+0x8a/0xf0
[ 267.685937][ T7290] ? kmem_cache_free+0x19b/0x690
[ 267.685972][ T7290] __se_sys_mount+0x313/0x410
[ 267.685999][ T7290] ? __pfx___se_sys_mount+0x10/0x10
[ 267.686025][ T7290] ? do_syscall_64+0xbe/0xfa0
[ 267.686043][ T7290] ? __x64_sys_mount+0x20/0xc0
[ 267.686067][ T7290] do_syscall_64+0xfa/0xfa0
[ 267.686085][ T7290] ? lockdep_hardirqs_on+0x9c/0x150
[ 267.686104][ T7290] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 267.686121][ T7290] ? clear_bhb_loop+0x60/0xb0
[ 267.686141][ T7290] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 267.686157][ T7290] RIP: 0033:0x7f716d39038a
[ 267.686173][ T7290] 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
[ 267.686188][ T7290] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 267.686207][ T7290] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 267.686220][ T7290] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 267.686233][ T7290] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 267.686245][ T7290] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 267.686256][ T7290] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 267.686284][ T7290]
[ 267.686311][ T7290] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 268.015789][ T7290] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 268.349411][ T7294] loop1: detected capacity change from 0 to 32768
[ 268.361047][ T7294] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 268.369554][ T7294] CPU: 1 UID: 0 PID: 7294 Comm: syz.1.188 Not tainted syzkaller #0 PREEMPT(full)
[ 268.369580][ T7294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 268.369593][ T7294] Call Trace:
[ 268.369601][ T7294]
[ 268.369610][ T7294] dump_stack_lvl+0x189/0x250
[ 268.369640][ T7294] ? __pfx_dump_stack_lvl+0x10/0x10
[ 268.369664][ T7294] ? __pfx__printk+0x10/0x10
[ 268.369698][ T7294] ? kernfs_path_from_node+0x250/0x290
[ 268.369718][ T7294] ? kernfs_path_from_node+0x2f/0x290
[ 268.369743][ T7294] sysfs_create_dir_ns+0x259/0x280
[ 268.369766][ T7294] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 268.369788][ T7294] ? do_raw_spin_unlock+0x122/0x240
[ 268.369816][ T7294] kobject_add_internal+0x59f/0xb40
[ 268.369853][ T7294] kobject_init_and_add+0x125/0x190
[ 268.369885][ T7294] ? __pfx_kobject_init_and_add+0x10/0x10
[ 268.369913][ T7294] ? __raw_spin_lock_init+0x45/0x100
[ 268.369938][ T7294] ? __init_swait_queue_head+0xa9/0x150
[ 268.369965][ T7294] gfs2_sys_fs_add+0x234/0x450
[ 268.369996][ T7294] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 268.370031][ T7294] ? is_dynamic_key+0xd6/0x1c0
[ 268.370057][ T7294] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 268.370096][ T7294] gfs2_fill_super+0x13c0/0x20d0
[ 268.370135][ T7294] ? __pfx_gfs2_fill_super+0x10/0x10
[ 268.370162][ T7294] ? sb_set_blocksize+0x104/0x180
[ 268.370195][ T7294] ? setup_bdev_super+0x4c1/0x5b0
[ 268.370226][ T7294] get_tree_bdev_flags+0x40e/0x4d0
[ 268.370250][ T7294] ? __pfx_gfs2_fill_super+0x10/0x10
[ 268.370272][ T7294] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 268.370294][ T7294] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 268.370333][ T7294] gfs2_get_tree+0x51/0x1e0
[ 268.370358][ T7294] vfs_get_tree+0x92/0x2b0
[ 268.370385][ T7294] do_new_mount+0x302/0x9e0
[ 268.370408][ T7294] ? apparmor_capable+0x137/0x1b0
[ 268.370441][ T7294] ? __pfx_do_new_mount+0x10/0x10
[ 268.370467][ T7294] ? ns_capable+0x8a/0xf0
[ 268.370489][ T7294] ? kmem_cache_free+0x19b/0x690
[ 268.370523][ T7294] __se_sys_mount+0x313/0x410
[ 268.370557][ T7294] ? __pfx___se_sys_mount+0x10/0x10
[ 268.370587][ T7294] ? do_syscall_64+0xbe/0xfa0
[ 268.370608][ T7294] ? __x64_sys_mount+0x20/0xc0
[ 268.370636][ T7294] do_syscall_64+0xfa/0xfa0
[ 268.370657][ T7294] ? lockdep_hardirqs_on+0x9c/0x150
[ 268.370680][ T7294] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 268.370700][ T7294] ? clear_bhb_loop+0x60/0xb0
[ 268.370725][ T7294] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 268.370744][ T7294] RIP: 0033:0x7f716d39038a
[ 268.370762][ T7294] 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
[ 268.370781][ T7294] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 268.370803][ T7294] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 268.370818][ T7294] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 268.370833][ T7294] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 268.370847][ T7294] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 268.370860][ T7294] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 268.370894][ T7294]
[ 268.370997][ T7294] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 268.697526][ T7294] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 269.031920][ T7298] loop1: detected capacity change from 0 to 32768
[ 269.052352][ T7298] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 269.060341][ T7298] CPU: 1 UID: 0 PID: 7298 Comm: syz.1.189 Not tainted syzkaller #0 PREEMPT(full)
[ 269.060367][ T7298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 269.060380][ T7298] Call Trace:
[ 269.060389][ T7298]
[ 269.060397][ T7298] dump_stack_lvl+0x189/0x250
[ 269.060431][ T7298] ? __pfx_dump_stack_lvl+0x10/0x10
[ 269.060456][ T7298] ? __pfx__printk+0x10/0x10
[ 269.060491][ T7298] ? kernfs_path_from_node+0x250/0x290
[ 269.060510][ T7298] ? kernfs_path_from_node+0x2f/0x290
[ 269.060533][ T7298] sysfs_create_dir_ns+0x259/0x280
[ 269.060555][ T7298] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 269.060583][ T7298] kobject_add_internal+0x59f/0xb40
[ 269.060617][ T7298] kobject_init_and_add+0x125/0x190
[ 269.060647][ T7298] ? __pfx_kobject_init_and_add+0x10/0x10
[ 269.060674][ T7298] ? __raw_spin_lock_init+0x45/0x100
[ 269.060700][ T7298] ? __init_swait_queue_head+0xa9/0x150
[ 269.060727][ T7298] gfs2_sys_fs_add+0x234/0x450
[ 269.060757][ T7298] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 269.060790][ T7298] ? is_dynamic_key+0xd6/0x1c0
[ 269.060825][ T7298] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 269.060864][ T7298] gfs2_fill_super+0x13c0/0x20d0
[ 269.060901][ T7298] ? __pfx_gfs2_fill_super+0x10/0x10
[ 269.060928][ T7298] ? sb_set_blocksize+0x104/0x180
[ 269.060953][ T7298] ? setup_bdev_super+0x4c1/0x5b0
[ 269.060981][ T7298] get_tree_bdev_flags+0x40e/0x4d0
[ 269.061006][ T7298] ? __pfx_gfs2_fill_super+0x10/0x10
[ 269.061028][ T7298] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 269.061050][ T7298] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 269.061088][ T7298] gfs2_get_tree+0x51/0x1e0
[ 269.061112][ T7298] vfs_get_tree+0x92/0x2b0
[ 269.061138][ T7298] do_new_mount+0x302/0x9e0
[ 269.061159][ T7298] ? apparmor_capable+0x137/0x1b0
[ 269.061191][ T7298] ? __pfx_do_new_mount+0x10/0x10
[ 269.061214][ T7298] ? ns_capable+0x8a/0xf0
[ 269.061235][ T7298] ? kmem_cache_free+0x19b/0x690
[ 269.061269][ T7298] __se_sys_mount+0x313/0x410
[ 269.061301][ T7298] ? __pfx___se_sys_mount+0x10/0x10
[ 269.061331][ T7298] ? do_syscall_64+0xbe/0xfa0
[ 269.061352][ T7298] ? __x64_sys_mount+0x20/0xc0
[ 269.061379][ T7298] do_syscall_64+0xfa/0xfa0
[ 269.061400][ T7298] ? lockdep_hardirqs_on+0x9c/0x150
[ 269.061422][ T7298] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 269.061442][ T7298] ? clear_bhb_loop+0x60/0xb0
[ 269.061465][ T7298] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 269.061484][ T7298] RIP: 0033:0x7f716d39038a
[ 269.061502][ T7298] 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
[ 269.061521][ T7298] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 269.061544][ T7298] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 269.061560][ T7298] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 269.061575][ T7298] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 269.061590][ T7298] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 269.061604][ T7298] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 269.061635][ T7298]
[ 269.061662][ T7298] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 269.382986][ T7298] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 269.716154][ T7302] loop1: detected capacity change from 0 to 32768
[ 269.746008][ T7302] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 269.753565][ T7302] CPU: 0 UID: 0 PID: 7302 Comm: syz.1.190 Not tainted syzkaller #0 PREEMPT(full)
[ 269.753591][ T7302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 269.753604][ T7302] Call Trace:
[ 269.753612][ T7302]
[ 269.753620][ T7302] dump_stack_lvl+0x189/0x250
[ 269.753652][ T7302] ? __pfx_dump_stack_lvl+0x10/0x10
[ 269.753680][ T7302] ? __pfx__printk+0x10/0x10
[ 269.753715][ T7302] ? kernfs_path_from_node+0x250/0x290
[ 269.753733][ T7302] ? kernfs_path_from_node+0x2f/0x290
[ 269.753764][ T7302] sysfs_create_dir_ns+0x259/0x280
[ 269.753785][ T7302] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 269.753807][ T7302] ? do_raw_spin_unlock+0x122/0x240
[ 269.753836][ T7302] kobject_add_internal+0x59f/0xb40
[ 269.753873][ T7302] kobject_init_and_add+0x125/0x190
[ 269.753906][ T7302] ? __pfx_kobject_init_and_add+0x10/0x10
[ 269.753935][ T7302] ? __raw_spin_lock_init+0x45/0x100
[ 269.753959][ T7302] ? __init_swait_queue_head+0xa9/0x150
[ 269.753986][ T7302] gfs2_sys_fs_add+0x234/0x450
[ 269.754015][ T7302] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 269.754047][ T7302] ? is_dynamic_key+0xd6/0x1c0
[ 269.754073][ T7302] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 269.754110][ T7302] gfs2_fill_super+0x13c0/0x20d0
[ 269.754145][ T7302] ? __pfx_gfs2_fill_super+0x10/0x10
[ 269.754170][ T7302] ? sb_set_blocksize+0x104/0x180
[ 269.754196][ T7302] ? setup_bdev_super+0x4c1/0x5b0
[ 269.754222][ T7302] get_tree_bdev_flags+0x40e/0x4d0
[ 269.754245][ T7302] ? __pfx_gfs2_fill_super+0x10/0x10
[ 269.754266][ T7302] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 269.754287][ T7302] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 269.754326][ T7302] gfs2_get_tree+0x51/0x1e0
[ 269.754350][ T7302] vfs_get_tree+0x92/0x2b0
[ 269.754376][ T7302] do_new_mount+0x302/0x9e0
[ 269.754399][ T7302] ? apparmor_capable+0x137/0x1b0
[ 269.754431][ T7302] ? __pfx_do_new_mount+0x10/0x10
[ 269.754456][ T7302] ? ns_capable+0x8a/0xf0
[ 269.754479][ T7302] ? kmem_cache_free+0x19b/0x690
[ 269.754515][ T7302] __se_sys_mount+0x313/0x410
[ 269.754548][ T7302] ? __pfx___se_sys_mount+0x10/0x10
[ 269.754578][ T7302] ? do_syscall_64+0xbe/0xfa0
[ 269.754600][ T7302] ? __x64_sys_mount+0x20/0xc0
[ 269.754626][ T7302] do_syscall_64+0xfa/0xfa0
[ 269.754647][ T7302] ? lockdep_hardirqs_on+0x9c/0x150
[ 269.754668][ T7302] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 269.754688][ T7302] ? clear_bhb_loop+0x60/0xb0
[ 269.754710][ T7302] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 269.754729][ T7302] RIP: 0033:0x7f716d39038a
[ 269.754754][ T7302] 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
[ 269.754773][ T7302] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 269.754795][ T7302] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 269.754810][ T7302] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 269.754824][ T7302] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 269.754838][ T7302] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 269.754851][ T7302] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 269.754882][ T7302]
[ 269.754959][ T7302] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 270.084455][ T7302] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 270.421666][ T7306] loop1: detected capacity change from 0 to 32768
[ 270.440558][ T7306] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 270.448464][ T7306] CPU: 1 UID: 0 PID: 7306 Comm: syz.1.191 Not tainted syzkaller #0 PREEMPT(full)
[ 270.448490][ T7306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 270.448503][ T7306] Call Trace:
[ 270.448512][ T7306]
[ 270.448521][ T7306] dump_stack_lvl+0x189/0x250
[ 270.448556][ T7306] ? __pfx_dump_stack_lvl+0x10/0x10
[ 270.448581][ T7306] ? __pfx__printk+0x10/0x10
[ 270.448623][ T7306] ? kernfs_path_from_node+0x250/0x290
[ 270.448642][ T7306] ? kernfs_path_from_node+0x2f/0x290
[ 270.448666][ T7306] sysfs_create_dir_ns+0x259/0x280
[ 270.448687][ T7306] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 270.448709][ T7306] ? do_raw_spin_unlock+0x122/0x240
[ 270.448736][ T7306] kobject_add_internal+0x59f/0xb40
[ 270.448770][ T7306] kobject_init_and_add+0x125/0x190
[ 270.448802][ T7306] ? __pfx_kobject_init_and_add+0x10/0x10
[ 270.448829][ T7306] ? __raw_spin_lock_init+0x45/0x100
[ 270.448854][ T7306] ? __init_swait_queue_head+0xa9/0x150
[ 270.448881][ T7306] gfs2_sys_fs_add+0x234/0x450
[ 270.448910][ T7306] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 270.448954][ T7306] ? is_dynamic_key+0xd6/0x1c0
[ 270.448981][ T7306] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 270.449019][ T7306] gfs2_fill_super+0x13c0/0x20d0
[ 270.449057][ T7306] ? __pfx_gfs2_fill_super+0x10/0x10
[ 270.449086][ T7306] ? sb_set_blocksize+0x104/0x180
[ 270.449113][ T7306] ? setup_bdev_super+0x4c1/0x5b0
[ 270.449141][ T7306] get_tree_bdev_flags+0x40e/0x4d0
[ 270.449165][ T7306] ? __pfx_gfs2_fill_super+0x10/0x10
[ 270.449186][ T7306] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 270.449207][ T7306] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 270.449245][ T7306] gfs2_get_tree+0x51/0x1e0
[ 270.449271][ T7306] vfs_get_tree+0x92/0x2b0
[ 270.449297][ T7306] do_new_mount+0x302/0x9e0
[ 270.449320][ T7306] ? apparmor_capable+0x137/0x1b0
[ 270.449352][ T7306] ? __pfx_do_new_mount+0x10/0x10
[ 270.449376][ T7306] ? ns_capable+0x8a/0xf0
[ 270.449397][ T7306] ? kmem_cache_free+0x19b/0x690
[ 270.449434][ T7306] __se_sys_mount+0x313/0x410
[ 270.449466][ T7306] ? __pfx___se_sys_mount+0x10/0x10
[ 270.449498][ T7306] ? do_syscall_64+0xbe/0xfa0
[ 270.449520][ T7306] ? __x64_sys_mount+0x20/0xc0
[ 270.449547][ T7306] do_syscall_64+0xfa/0xfa0
[ 270.449568][ T7306] ? lockdep_hardirqs_on+0x9c/0x150
[ 270.449590][ T7306] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 270.449609][ T7306] ? clear_bhb_loop+0x60/0xb0
[ 270.449634][ T7306] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 270.449653][ T7306] RIP: 0033:0x7f716d39038a
[ 270.449670][ T7306] 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
[ 270.449687][ T7306] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 270.449709][ T7306] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 270.449724][ T7306] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 270.449739][ T7306] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 270.449754][ T7306] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 270.449768][ T7306] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 270.449802][ T7306]
[ 270.449829][ T7306] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 270.777984][ T7306] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 271.164136][ T7310] loop1: detected capacity change from 0 to 32768
[ 271.177707][ T7310] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 271.185223][ T7310] CPU: 0 UID: 0 PID: 7310 Comm: syz.1.192 Not tainted syzkaller #0 PREEMPT(full)
[ 271.185248][ T7310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 271.185261][ T7310] Call Trace:
[ 271.185269][ T7310]
[ 271.185277][ T7310] dump_stack_lvl+0x189/0x250
[ 271.185310][ T7310] ? __pfx_dump_stack_lvl+0x10/0x10
[ 271.185336][ T7310] ? __pfx__printk+0x10/0x10
[ 271.185372][ T7310] ? kernfs_path_from_node+0x250/0x290
[ 271.185393][ T7310] ? kernfs_path_from_node+0x2f/0x290
[ 271.185418][ T7310] sysfs_create_dir_ns+0x259/0x280
[ 271.185440][ T7310] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 271.185461][ T7310] ? do_raw_spin_unlock+0x122/0x240
[ 271.185488][ T7310] kobject_add_internal+0x59f/0xb40
[ 271.185525][ T7310] kobject_init_and_add+0x125/0x190
[ 271.185558][ T7310] ? __pfx_kobject_init_and_add+0x10/0x10
[ 271.185584][ T7310] ? __raw_spin_lock_init+0x45/0x100
[ 271.185609][ T7310] ? __init_swait_queue_head+0xa9/0x150
[ 271.185635][ T7310] gfs2_sys_fs_add+0x234/0x450
[ 271.185664][ T7310] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 271.185698][ T7310] ? is_dynamic_key+0xd6/0x1c0
[ 271.185724][ T7310] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 271.185771][ T7310] gfs2_fill_super+0x13c0/0x20d0
[ 271.185808][ T7310] ? __pfx_gfs2_fill_super+0x10/0x10
[ 271.185835][ T7310] ? sb_set_blocksize+0x104/0x180
[ 271.185862][ T7310] ? setup_bdev_super+0x4c1/0x5b0
[ 271.185888][ T7310] get_tree_bdev_flags+0x40e/0x4d0
[ 271.185910][ T7310] ? __pfx_gfs2_fill_super+0x10/0x10
[ 271.185931][ T7310] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 271.185952][ T7310] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 271.185988][ T7310] gfs2_get_tree+0x51/0x1e0
[ 271.186012][ T7310] vfs_get_tree+0x92/0x2b0
[ 271.186038][ T7310] do_new_mount+0x302/0x9e0
[ 271.186062][ T7310] ? apparmor_capable+0x137/0x1b0
[ 271.186097][ T7310] ? __pfx_do_new_mount+0x10/0x10
[ 271.186122][ T7310] ? ns_capable+0x8a/0xf0
[ 271.186144][ T7310] ? kmem_cache_free+0x19b/0x690
[ 271.186177][ T7310] __se_sys_mount+0x313/0x410
[ 271.186210][ T7310] ? __pfx___se_sys_mount+0x10/0x10
[ 271.186238][ T7310] ? do_syscall_64+0xbe/0xfa0
[ 271.186260][ T7310] ? __x64_sys_mount+0x20/0xc0
[ 271.186288][ T7310] do_syscall_64+0xfa/0xfa0
[ 271.186309][ T7310] ? lockdep_hardirqs_on+0x9c/0x150
[ 271.186330][ T7310] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 271.186349][ T7310] ? clear_bhb_loop+0x60/0xb0
[ 271.186373][ T7310] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 271.186393][ T7310] RIP: 0033:0x7f716d39038a
[ 271.186411][ T7310] 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
[ 271.186430][ T7310] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 271.186452][ T7310] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 271.186468][ T7310] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 271.186483][ T7310] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 271.186497][ T7310] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 271.186509][ T7310] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 271.186541][ T7310]
[ 271.186567][ T7310] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 271.514977][ T7310] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 271.851051][ T7314] loop1: detected capacity change from 0 to 32768
[ 271.867922][ T7314] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 271.875457][ T7314] CPU: 0 UID: 0 PID: 7314 Comm: syz.1.193 Not tainted syzkaller #0 PREEMPT(full)
[ 271.875483][ T7314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 271.875496][ T7314] Call Trace:
[ 271.875504][ T7314]
[ 271.875512][ T7314] dump_stack_lvl+0x189/0x250
[ 271.875543][ T7314] ? __pfx_dump_stack_lvl+0x10/0x10
[ 271.875566][ T7314] ? __pfx__printk+0x10/0x10
[ 271.875599][ T7314] ? kernfs_path_from_node+0x250/0x290
[ 271.875619][ T7314] ? kernfs_path_from_node+0x2f/0x290
[ 271.875643][ T7314] sysfs_create_dir_ns+0x259/0x280
[ 271.875665][ T7314] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 271.875687][ T7314] ? do_raw_spin_unlock+0x122/0x240
[ 271.875716][ T7314] kobject_add_internal+0x59f/0xb40
[ 271.875752][ T7314] kobject_init_and_add+0x125/0x190
[ 271.875785][ T7314] ? __pfx_kobject_init_and_add+0x10/0x10
[ 271.875821][ T7314] ? __raw_spin_lock_init+0x45/0x100
[ 271.875845][ T7314] ? __init_swait_queue_head+0xa9/0x150
[ 271.875872][ T7314] gfs2_sys_fs_add+0x234/0x450
[ 271.875905][ T7314] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 271.875941][ T7314] ? is_dynamic_key+0xd6/0x1c0
[ 271.875969][ T7314] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 271.876007][ T7314] gfs2_fill_super+0x13c0/0x20d0
[ 271.876045][ T7314] ? __pfx_gfs2_fill_super+0x10/0x10
[ 271.876071][ T7314] ? sb_set_blocksize+0x104/0x180
[ 271.876096][ T7314] ? setup_bdev_super+0x4c1/0x5b0
[ 271.876122][ T7314] get_tree_bdev_flags+0x40e/0x4d0
[ 271.876145][ T7314] ? __pfx_gfs2_fill_super+0x10/0x10
[ 271.876166][ T7314] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 271.876187][ T7314] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 271.876225][ T7314] gfs2_get_tree+0x51/0x1e0
[ 271.876250][ T7314] vfs_get_tree+0x92/0x2b0
[ 271.876277][ T7314] do_new_mount+0x302/0x9e0
[ 271.876299][ T7314] ? apparmor_capable+0x137/0x1b0
[ 271.876332][ T7314] ? __pfx_do_new_mount+0x10/0x10
[ 271.876358][ T7314] ? ns_capable+0x8a/0xf0
[ 271.876380][ T7314] ? kmem_cache_free+0x19b/0x690
[ 271.876412][ T7314] __se_sys_mount+0x313/0x410
[ 271.876444][ T7314] ? __pfx___se_sys_mount+0x10/0x10
[ 271.876475][ T7314] ? do_syscall_64+0xbe/0xfa0
[ 271.876498][ T7314] ? __x64_sys_mount+0x20/0xc0
[ 271.876527][ T7314] do_syscall_64+0xfa/0xfa0
[ 271.876549][ T7314] ? lockdep_hardirqs_on+0x9c/0x150
[ 271.876571][ T7314] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 271.876590][ T7314] ? clear_bhb_loop+0x60/0xb0
[ 271.876614][ T7314] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 271.876633][ T7314] RIP: 0033:0x7f716d39038a
[ 271.876651][ T7314] 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
[ 271.876675][ T7314] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 271.876698][ T7314] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 271.876713][ T7314] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 271.876728][ T7314] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 271.876741][ T7314] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 271.876753][ T7314] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 271.876786][ T7314]
[ 271.876821][ T7314] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 272.205058][ T7314] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/03 07:07:29 executed programs: 179
[ 272.532115][ T7318] loop1: detected capacity change from 0 to 32768
[ 272.542654][ T7318] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 272.550612][ T7318] CPU: 0 UID: 0 PID: 7318 Comm: syz.1.194 Not tainted syzkaller #0 PREEMPT(full)
[ 272.550638][ T7318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 272.550650][ T7318] Call Trace:
[ 272.550658][ T7318]
[ 272.550666][ T7318] dump_stack_lvl+0x189/0x250
[ 272.550696][ T7318] ? __pfx_dump_stack_lvl+0x10/0x10
[ 272.550721][ T7318] ? __pfx__printk+0x10/0x10
[ 272.550755][ T7318] ? kernfs_path_from_node+0x250/0x290
[ 272.550775][ T7318] ? kernfs_path_from_node+0x2f/0x290
[ 272.550799][ T7318] sysfs_create_dir_ns+0x259/0x280
[ 272.550821][ T7318] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 272.550842][ T7318] ? do_raw_spin_unlock+0x122/0x240
[ 272.550876][ T7318] kobject_add_internal+0x59f/0xb40
[ 272.550911][ T7318] kobject_init_and_add+0x125/0x190
[ 272.550944][ T7318] ? __pfx_kobject_init_and_add+0x10/0x10
[ 272.550970][ T7318] ? __raw_spin_lock_init+0x45/0x100
[ 272.550993][ T7318] ? __init_swait_queue_head+0xa9/0x150
[ 272.551021][ T7318] gfs2_sys_fs_add+0x234/0x450
[ 272.551052][ T7318] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 272.551084][ T7318] ? is_dynamic_key+0xd6/0x1c0
[ 272.551112][ T7318] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 272.551150][ T7318] gfs2_fill_super+0x13c0/0x20d0
[ 272.551190][ T7318] ? __pfx_gfs2_fill_super+0x10/0x10
[ 272.551215][ T7318] ? sb_set_blocksize+0x104/0x180
[ 272.551240][ T7318] ? setup_bdev_super+0x4c1/0x5b0
[ 272.551266][ T7318] get_tree_bdev_flags+0x40e/0x4d0
[ 272.551288][ T7318] ? __pfx_gfs2_fill_super+0x10/0x10
[ 272.551311][ T7318] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 272.551332][ T7318] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 272.551371][ T7318] gfs2_get_tree+0x51/0x1e0
[ 272.551396][ T7318] vfs_get_tree+0x92/0x2b0
[ 272.551423][ T7318] do_new_mount+0x302/0x9e0
[ 272.551446][ T7318] ? apparmor_capable+0x137/0x1b0
[ 272.551479][ T7318] ? __pfx_do_new_mount+0x10/0x10
[ 272.551504][ T7318] ? ns_capable+0x8a/0xf0
[ 272.551524][ T7318] ? kmem_cache_free+0x19b/0x690
[ 272.551558][ T7318] __se_sys_mount+0x313/0x410
[ 272.551589][ T7318] ? __pfx___se_sys_mount+0x10/0x10
[ 272.551619][ T7318] ? do_syscall_64+0xbe/0xfa0
[ 272.551640][ T7318] ? __x64_sys_mount+0x20/0xc0
[ 272.551667][ T7318] do_syscall_64+0xfa/0xfa0
[ 272.551687][ T7318] ? lockdep_hardirqs_on+0x9c/0x150
[ 272.551709][ T7318] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 272.551729][ T7318] ? clear_bhb_loop+0x60/0xb0
[ 272.551753][ T7318] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 272.551772][ T7318] RIP: 0033:0x7f716d39038a
[ 272.551791][ T7318] 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
[ 272.551809][ T7318] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 272.551831][ T7318] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 272.551851][ T7318] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 272.551865][ T7318] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 272.551876][ T7318] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 272.551888][ T7318] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 272.551919][ T7318]
[ 272.551946][ T7318] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 272.880170][ T7318] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 273.087623][ T52] Bluetooth: hci1: command 0x0406 tx timeout
[ 273.228299][ T7322] loop1: detected capacity change from 0 to 32768
[ 273.248960][ T7322] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 273.256385][ T7322] CPU: 1 UID: 0 PID: 7322 Comm: syz.1.195 Not tainted syzkaller #0 PREEMPT(full)
[ 273.256411][ T7322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 273.256424][ T7322] Call Trace:
[ 273.256433][ T7322]
[ 273.256441][ T7322] dump_stack_lvl+0x189/0x250
[ 273.256475][ T7322] ? __pfx_dump_stack_lvl+0x10/0x10
[ 273.256501][ T7322] ? __pfx__printk+0x10/0x10
[ 273.256537][ T7322] ? kernfs_path_from_node+0x250/0x290
[ 273.256558][ T7322] ? kernfs_path_from_node+0x2f/0x290
[ 273.256582][ T7322] sysfs_create_dir_ns+0x259/0x280
[ 273.256604][ T7322] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 273.256625][ T7322] ? do_raw_spin_unlock+0x122/0x240
[ 273.256653][ T7322] kobject_add_internal+0x59f/0xb40
[ 273.256687][ T7322] kobject_init_and_add+0x125/0x190
[ 273.256726][ T7322] ? __pfx_kobject_init_and_add+0x10/0x10
[ 273.256755][ T7322] ? __raw_spin_lock_init+0x45/0x100
[ 273.256780][ T7322] ? __init_swait_queue_head+0xa9/0x150
[ 273.256807][ T7322] gfs2_sys_fs_add+0x234/0x450
[ 273.256837][ T7322] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 273.256870][ T7322] ? is_dynamic_key+0xd6/0x1c0
[ 273.256897][ T7322] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 273.256936][ T7322] gfs2_fill_super+0x13c0/0x20d0
[ 273.256973][ T7322] ? __pfx_gfs2_fill_super+0x10/0x10
[ 273.256998][ T7322] ? sb_set_blocksize+0x104/0x180
[ 273.257024][ T7322] ? setup_bdev_super+0x4c1/0x5b0
[ 273.257055][ T7322] get_tree_bdev_flags+0x40e/0x4d0
[ 273.257076][ T7322] ? __pfx_gfs2_fill_super+0x10/0x10
[ 273.257097][ T7322] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 273.257117][ T7322] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 273.257157][ T7322] gfs2_get_tree+0x51/0x1e0
[ 273.257182][ T7322] vfs_get_tree+0x92/0x2b0
[ 273.257209][ T7322] do_new_mount+0x302/0x9e0
[ 273.257232][ T7322] ? apparmor_capable+0x137/0x1b0
[ 273.257265][ T7322] ? __pfx_do_new_mount+0x10/0x10
[ 273.257288][ T7322] ? ns_capable+0x8a/0xf0
[ 273.257309][ T7322] ? kmem_cache_free+0x19b/0x690
[ 273.257344][ T7322] __se_sys_mount+0x313/0x410
[ 273.257374][ T7322] ? __pfx___se_sys_mount+0x10/0x10
[ 273.257403][ T7322] ? do_syscall_64+0xbe/0xfa0
[ 273.257425][ T7322] ? __x64_sys_mount+0x20/0xc0
[ 273.257449][ T7322] do_syscall_64+0xfa/0xfa0
[ 273.257467][ T7322] ? lockdep_hardirqs_on+0x9c/0x150
[ 273.257486][ T7322] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 273.257506][ T7322] ? clear_bhb_loop+0x60/0xb0
[ 273.257529][ T7322] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 273.257548][ T7322] RIP: 0033:0x7f716d39038a
[ 273.257566][ T7322] 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
[ 273.257584][ T7322] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 273.257605][ T7322] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 273.257621][ T7322] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 273.257635][ T7322] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 273.257649][ T7322] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 273.257663][ T7322] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 273.257792][ T7322]
[ 273.578962][ T7322] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 273.593828][ T7322] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 273.926456][ T7326] loop1: detected capacity change from 0 to 32768
[ 273.948482][ T7326] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 273.955889][ T7326] CPU: 0 UID: 0 PID: 7326 Comm: syz.1.196 Not tainted syzkaller #0 PREEMPT(full)
[ 273.955913][ T7326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 273.955925][ T7326] Call Trace:
[ 273.955932][ T7326]
[ 273.955941][ T7326] dump_stack_lvl+0x189/0x250
[ 273.955972][ T7326] ? __pfx_dump_stack_lvl+0x10/0x10
[ 273.955997][ T7326] ? __pfx__printk+0x10/0x10
[ 273.956033][ T7326] ? kernfs_path_from_node+0x250/0x290
[ 273.956052][ T7326] ? kernfs_path_from_node+0x2f/0x290
[ 273.956076][ T7326] sysfs_create_dir_ns+0x259/0x280
[ 273.956098][ T7326] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 273.956121][ T7326] ? do_raw_spin_unlock+0x122/0x240
[ 273.956148][ T7326] kobject_add_internal+0x59f/0xb40
[ 273.956179][ T7326] kobject_init_and_add+0x125/0x190
[ 273.956207][ T7326] ? __pfx_kobject_init_and_add+0x10/0x10
[ 273.956233][ T7326] ? __raw_spin_lock_init+0x45/0x100
[ 273.956257][ T7326] ? __init_swait_queue_head+0xa9/0x150
[ 273.956283][ T7326] gfs2_sys_fs_add+0x234/0x450
[ 273.956310][ T7326] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 273.956344][ T7326] ? is_dynamic_key+0xd6/0x1c0
[ 273.956369][ T7326] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 273.956407][ T7326] gfs2_fill_super+0x13c0/0x20d0
[ 273.956451][ T7326] ? __pfx_gfs2_fill_super+0x10/0x10
[ 273.956476][ T7326] ? sb_set_blocksize+0x104/0x180
[ 273.956499][ T7326] ? setup_bdev_super+0x4c1/0x5b0
[ 273.956526][ T7326] get_tree_bdev_flags+0x40e/0x4d0
[ 273.956550][ T7326] ? __pfx_gfs2_fill_super+0x10/0x10
[ 273.956569][ T7326] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 273.956588][ T7326] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 273.956625][ T7326] gfs2_get_tree+0x51/0x1e0
[ 273.956652][ T7326] vfs_get_tree+0x92/0x2b0
[ 273.956683][ T7326] do_new_mount+0x302/0x9e0
[ 273.956706][ T7326] ? apparmor_capable+0x137/0x1b0
[ 273.956739][ T7326] ? __pfx_do_new_mount+0x10/0x10
[ 273.956763][ T7326] ? ns_capable+0x8a/0xf0
[ 273.956784][ T7326] ? kmem_cache_free+0x19b/0x690
[ 273.956817][ T7326] __se_sys_mount+0x313/0x410
[ 273.956848][ T7326] ? __pfx___se_sys_mount+0x10/0x10
[ 273.956876][ T7326] ? do_syscall_64+0xbe/0xfa0
[ 273.956896][ T7326] ? __x64_sys_mount+0x20/0xc0
[ 273.956921][ T7326] do_syscall_64+0xfa/0xfa0
[ 273.956943][ T7326] ? lockdep_hardirqs_on+0x9c/0x150
[ 273.956965][ T7326] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 273.956984][ T7326] ? clear_bhb_loop+0x60/0xb0
[ 273.957008][ T7326] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 273.957026][ T7326] RIP: 0033:0x7f716d39038a
[ 273.957044][ T7326] 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
[ 273.957063][ T7326] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 273.957083][ T7326] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 273.957098][ T7326] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 273.957113][ T7326] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 273.957135][ T7326] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 273.957149][ T7326] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 273.957182][ T7326]
[ 274.267648][ T7326] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 274.281761][ T7326] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 274.619609][ T7330] loop1: detected capacity change from 0 to 32768
[ 274.644354][ T7330] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 274.653609][ T7330] CPU: 1 UID: 0 PID: 7330 Comm: syz.1.197 Not tainted syzkaller #0 PREEMPT(full)
[ 274.653638][ T7330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 274.653652][ T7330] Call Trace:
[ 274.653660][ T7330]
[ 274.653669][ T7330] dump_stack_lvl+0x189/0x250
[ 274.653703][ T7330] ? __pfx_dump_stack_lvl+0x10/0x10
[ 274.653729][ T7330] ? __pfx__printk+0x10/0x10
[ 274.653764][ T7330] ? kernfs_path_from_node+0x250/0x290
[ 274.653785][ T7330] ? kernfs_path_from_node+0x2f/0x290
[ 274.653810][ T7330] sysfs_create_dir_ns+0x259/0x280
[ 274.653834][ T7330] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 274.653859][ T7330] ? do_raw_spin_unlock+0x122/0x240
[ 274.653891][ T7330] kobject_add_internal+0x59f/0xb40
[ 274.653929][ T7330] kobject_init_and_add+0x125/0x190
[ 274.653962][ T7330] ? __pfx_kobject_init_and_add+0x10/0x10
[ 274.653990][ T7330] ? __raw_spin_lock_init+0x45/0x100
[ 274.654017][ T7330] ? __init_swait_queue_head+0xa9/0x150
[ 274.654045][ T7330] gfs2_sys_fs_add+0x234/0x450
[ 274.654075][ T7330] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 274.654109][ T7330] ? is_dynamic_key+0xd6/0x1c0
[ 274.654136][ T7330] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 274.654176][ T7330] gfs2_fill_super+0x13c0/0x20d0
[ 274.654214][ T7330] ? __pfx_gfs2_fill_super+0x10/0x10
[ 274.654242][ T7330] ? sb_set_blocksize+0x104/0x180
[ 274.654268][ T7330] ? setup_bdev_super+0x4c1/0x5b0
[ 274.654295][ T7330] get_tree_bdev_flags+0x40e/0x4d0
[ 274.654319][ T7330] ? __pfx_gfs2_fill_super+0x10/0x10
[ 274.654342][ T7330] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 274.654364][ T7330] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 274.654403][ T7330] gfs2_get_tree+0x51/0x1e0
[ 274.654430][ T7330] vfs_get_tree+0x92/0x2b0
[ 274.654458][ T7330] do_new_mount+0x302/0x9e0
[ 274.654483][ T7330] ? apparmor_capable+0x137/0x1b0
[ 274.654518][ T7330] ? __pfx_do_new_mount+0x10/0x10
[ 274.654543][ T7330] ? ns_capable+0x8a/0xf0
[ 274.654574][ T7330] ? kmem_cache_free+0x19b/0x690
[ 274.654608][ T7330] __se_sys_mount+0x313/0x410
[ 274.654641][ T7330] ? __pfx___se_sys_mount+0x10/0x10
[ 274.654670][ T7330] ? do_syscall_64+0xbe/0xfa0
[ 274.654692][ T7330] ? __x64_sys_mount+0x20/0xc0
[ 274.654719][ T7330] do_syscall_64+0xfa/0xfa0
[ 274.654743][ T7330] ? lockdep_hardirqs_on+0x9c/0x150
[ 274.654765][ T7330] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 274.654785][ T7330] ? clear_bhb_loop+0x60/0xb0
[ 274.654810][ T7330] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 274.654830][ T7330] RIP: 0033:0x7f716d39038a
[ 274.654849][ T7330] 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
[ 274.654867][ T7330] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 274.654889][ T7330] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 274.654906][ T7330] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 274.654921][ T7330] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 274.654934][ T7330] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 274.654948][ T7330] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 274.654980][ T7330]
[ 274.655009][ T7330] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 274.981301][ T7330] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 275.317939][ T7334] loop1: detected capacity change from 0 to 32768
[ 275.343295][ T7334] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 275.350794][ T7334] CPU: 0 UID: 0 PID: 7334 Comm: syz.1.198 Not tainted syzkaller #0 PREEMPT(full)
[ 275.350821][ T7334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 275.350834][ T7334] Call Trace:
[ 275.350843][ T7334]
[ 275.350851][ T7334] dump_stack_lvl+0x189/0x250
[ 275.350884][ T7334] ? __pfx_dump_stack_lvl+0x10/0x10
[ 275.350909][ T7334] ? __pfx__printk+0x10/0x10
[ 275.350942][ T7334] ? kernfs_path_from_node+0x250/0x290
[ 275.350962][ T7334] ? kernfs_path_from_node+0x2f/0x290
[ 275.350985][ T7334] sysfs_create_dir_ns+0x259/0x280
[ 275.351006][ T7334] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 275.351027][ T7334] ? do_raw_spin_unlock+0x122/0x240
[ 275.351055][ T7334] kobject_add_internal+0x59f/0xb40
[ 275.351091][ T7334] kobject_init_and_add+0x125/0x190
[ 275.351123][ T7334] ? __pfx_kobject_init_and_add+0x10/0x10
[ 275.351150][ T7334] ? __raw_spin_lock_init+0x45/0x100
[ 275.351175][ T7334] ? __init_swait_queue_head+0xa9/0x150
[ 275.351202][ T7334] gfs2_sys_fs_add+0x234/0x450
[ 275.351233][ T7334] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 275.351266][ T7334] ? is_dynamic_key+0xd6/0x1c0
[ 275.351291][ T7334] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 275.351329][ T7334] gfs2_fill_super+0x13c0/0x20d0
[ 275.351370][ T7334] ? __pfx_gfs2_fill_super+0x10/0x10
[ 275.351397][ T7334] ? sb_set_blocksize+0x104/0x180
[ 275.351423][ T7334] ? setup_bdev_super+0x4c1/0x5b0
[ 275.351450][ T7334] get_tree_bdev_flags+0x40e/0x4d0
[ 275.351474][ T7334] ? __pfx_gfs2_fill_super+0x10/0x10
[ 275.351495][ T7334] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 275.351516][ T7334] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 275.351564][ T7334] gfs2_get_tree+0x51/0x1e0
[ 275.351590][ T7334] vfs_get_tree+0x92/0x2b0
[ 275.351615][ T7334] do_new_mount+0x302/0x9e0
[ 275.351637][ T7334] ? apparmor_capable+0x137/0x1b0
[ 275.351672][ T7334] ? __pfx_do_new_mount+0x10/0x10
[ 275.351697][ T7334] ? ns_capable+0x8a/0xf0
[ 275.351720][ T7334] ? kmem_cache_free+0x19b/0x690
[ 275.351756][ T7334] __se_sys_mount+0x313/0x410
[ 275.351788][ T7334] ? __pfx___se_sys_mount+0x10/0x10
[ 275.351818][ T7334] ? do_syscall_64+0xbe/0xfa0
[ 275.351839][ T7334] ? __x64_sys_mount+0x20/0xc0
[ 275.351867][ T7334] do_syscall_64+0xfa/0xfa0
[ 275.351888][ T7334] ? lockdep_hardirqs_on+0x9c/0x150
[ 275.351911][ T7334] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 275.351930][ T7334] ? clear_bhb_loop+0x60/0xb0
[ 275.351953][ T7334] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 275.351972][ T7334] RIP: 0033:0x7f716d39038a
[ 275.351990][ T7334] 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
[ 275.352009][ T7334] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 275.352031][ T7334] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 275.352048][ T7334] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 275.352063][ T7334] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 275.352077][ T7334] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 275.352091][ T7334] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 275.352123][ T7334]
[ 275.352157][ T7334] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 275.679882][ T7334] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 276.012272][ T7338] loop1: detected capacity change from 0 to 32768
[ 276.035998][ T7338] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 276.043588][ T7338] CPU: 1 UID: 0 PID: 7338 Comm: syz.1.199 Not tainted syzkaller #0 PREEMPT(full)
[ 276.043613][ T7338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 276.043624][ T7338] Call Trace:
[ 276.043634][ T7338]
[ 276.043642][ T7338] dump_stack_lvl+0x189/0x250
[ 276.043674][ T7338] ? __pfx_dump_stack_lvl+0x10/0x10
[ 276.043697][ T7338] ? __pfx__printk+0x10/0x10
[ 276.043730][ T7338] ? kernfs_path_from_node+0x250/0x290
[ 276.043750][ T7338] ? kernfs_path_from_node+0x2f/0x290
[ 276.043773][ T7338] sysfs_create_dir_ns+0x259/0x280
[ 276.043793][ T7338] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 276.043808][ T7338] ? do_raw_spin_unlock+0x122/0x240
[ 276.043825][ T7338] kobject_add_internal+0x59f/0xb40
[ 276.043845][ T7338] kobject_init_and_add+0x125/0x190
[ 276.043862][ T7338] ? __pfx_kobject_init_and_add+0x10/0x10
[ 276.043877][ T7338] ? __raw_spin_lock_init+0x45/0x100
[ 276.043891][ T7338] ? __init_swait_queue_head+0xa9/0x150
[ 276.043906][ T7338] gfs2_sys_fs_add+0x234/0x450
[ 276.043923][ T7338] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 276.043941][ T7338] ? is_dynamic_key+0xd6/0x1c0
[ 276.043956][ T7338] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 276.043977][ T7338] gfs2_fill_super+0x13c0/0x20d0
[ 276.043997][ T7338] ? __pfx_gfs2_fill_super+0x10/0x10
[ 276.044011][ T7338] ? sb_set_blocksize+0x104/0x180
[ 276.044025][ T7338] ? setup_bdev_super+0x4c1/0x5b0
[ 276.044040][ T7338] get_tree_bdev_flags+0x40e/0x4d0
[ 276.044053][ T7338] ? __pfx_gfs2_fill_super+0x10/0x10
[ 276.044064][ T7338] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 276.044076][ T7338] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 276.044096][ T7338] gfs2_get_tree+0x51/0x1e0
[ 276.044110][ T7338] vfs_get_tree+0x92/0x2b0
[ 276.044123][ T7338] do_new_mount+0x302/0x9e0
[ 276.044136][ T7338] ? apparmor_capable+0x137/0x1b0
[ 276.044154][ T7338] ? __pfx_do_new_mount+0x10/0x10
[ 276.044167][ T7338] ? ns_capable+0x8a/0xf0
[ 276.044179][ T7338] ? kmem_cache_free+0x19b/0x690
[ 276.044197][ T7338] __se_sys_mount+0x313/0x410
[ 276.044214][ T7338] ? __pfx___se_sys_mount+0x10/0x10
[ 276.044230][ T7338] ? do_syscall_64+0xbe/0xfa0
[ 276.044244][ T7338] ? __x64_sys_mount+0x20/0xc0
[ 276.044259][ T7338] do_syscall_64+0xfa/0xfa0
[ 276.044271][ T7338] ? lockdep_hardirqs_on+0x9c/0x150
[ 276.044283][ T7338] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 276.044293][ T7338] ? clear_bhb_loop+0x60/0xb0
[ 276.044306][ T7338] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 276.044316][ T7338] RIP: 0033:0x7f716d39038a
[ 276.044327][ T7338] 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
[ 276.044337][ T7338] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 276.044349][ T7338] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 276.044358][ T7338] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 276.044365][ T7338] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 276.044373][ T7338] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 276.044380][ T7338] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 276.044397][ T7338]
[ 276.044844][ T7338] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 276.376971][ T7338] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 276.700706][ T7342] loop1: detected capacity change from 0 to 32768
[ 276.720102][ T7342] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 276.728669][ T7342] CPU: 1 UID: 0 PID: 7342 Comm: syz.1.200 Not tainted syzkaller #0 PREEMPT(full)
[ 276.728695][ T7342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 276.728707][ T7342] Call Trace:
[ 276.728715][ T7342]
[ 276.728724][ T7342] dump_stack_lvl+0x189/0x250
[ 276.728755][ T7342] ? __pfx_dump_stack_lvl+0x10/0x10
[ 276.728779][ T7342] ? __pfx__printk+0x10/0x10
[ 276.728814][ T7342] ? kernfs_path_from_node+0x250/0x290
[ 276.728833][ T7342] ? kernfs_path_from_node+0x2f/0x290
[ 276.728857][ T7342] sysfs_create_dir_ns+0x259/0x280
[ 276.728880][ T7342] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 276.728902][ T7342] ? do_raw_spin_unlock+0x122/0x240
[ 276.728930][ T7342] kobject_add_internal+0x59f/0xb40
[ 276.728965][ T7342] kobject_init_and_add+0x125/0x190
[ 276.728998][ T7342] ? __pfx_kobject_init_and_add+0x10/0x10
[ 276.729024][ T7342] ? __raw_spin_lock_init+0x45/0x100
[ 276.729050][ T7342] ? __init_swait_queue_head+0xa9/0x150
[ 276.729077][ T7342] gfs2_sys_fs_add+0x234/0x450
[ 276.729110][ T7342] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 276.729146][ T7342] ? is_dynamic_key+0xd6/0x1c0
[ 276.729173][ T7342] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 276.729227][ T7342] gfs2_fill_super+0x13c0/0x20d0
[ 276.729264][ T7342] ? __pfx_gfs2_fill_super+0x10/0x10
[ 276.729290][ T7342] ? sb_set_blocksize+0x104/0x180
[ 276.729315][ T7342] ? setup_bdev_super+0x4c1/0x5b0
[ 276.729341][ T7342] get_tree_bdev_flags+0x40e/0x4d0
[ 276.729365][ T7342] ? __pfx_gfs2_fill_super+0x10/0x10
[ 276.729386][ T7342] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 276.729408][ T7342] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 276.729445][ T7342] gfs2_get_tree+0x51/0x1e0
[ 276.729469][ T7342] vfs_get_tree+0x92/0x2b0
[ 276.729495][ T7342] do_new_mount+0x302/0x9e0
[ 276.729518][ T7342] ? apparmor_capable+0x137/0x1b0
[ 276.729560][ T7342] ? __pfx_do_new_mount+0x10/0x10
[ 276.729584][ T7342] ? ns_capable+0x8a/0xf0
[ 276.729605][ T7342] ? kmem_cache_free+0x19b/0x690
[ 276.729642][ T7342] __se_sys_mount+0x313/0x410
[ 276.729675][ T7342] ? __pfx___se_sys_mount+0x10/0x10
[ 276.729707][ T7342] ? do_syscall_64+0xbe/0xfa0
[ 276.729728][ T7342] ? __x64_sys_mount+0x20/0xc0
[ 276.729755][ T7342] do_syscall_64+0xfa/0xfa0
[ 276.729776][ T7342] ? lockdep_hardirqs_on+0x9c/0x150
[ 276.729798][ T7342] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 276.729816][ T7342] ? clear_bhb_loop+0x60/0xb0
[ 276.729840][ T7342] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 276.729858][ T7342] RIP: 0033:0x7f716d39038a
[ 276.729875][ T7342] 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
[ 276.729893][ T7342] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 276.729915][ T7342] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 276.729930][ T7342] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 276.729944][ T7342] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 276.729958][ T7342] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 276.729971][ T7342] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 276.730003][ T7342]
[ 276.730030][ T7342] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 277.057756][ T7342] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 277.391303][ T7346] loop1: detected capacity change from 0 to 32768
[ 277.414276][ T7346] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 277.424320][ T7346] CPU: 1 UID: 0 PID: 7346 Comm: syz.1.201 Not tainted syzkaller #0 PREEMPT(full)
[ 277.424347][ T7346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 277.424369][ T7346] Call Trace:
[ 277.424377][ T7346]
[ 277.424385][ T7346] dump_stack_lvl+0x189/0x250
[ 277.424418][ T7346] ? __pfx_dump_stack_lvl+0x10/0x10
[ 277.424442][ T7346] ? __pfx__printk+0x10/0x10
[ 277.424476][ T7346] ? kernfs_path_from_node+0x250/0x290
[ 277.424496][ T7346] ? kernfs_path_from_node+0x2f/0x290
[ 277.424520][ T7346] sysfs_create_dir_ns+0x259/0x280
[ 277.424542][ T7346] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 277.424563][ T7346] ? do_raw_spin_unlock+0x122/0x240
[ 277.424593][ T7346] kobject_add_internal+0x59f/0xb40
[ 277.424627][ T7346] kobject_init_and_add+0x125/0x190
[ 277.424659][ T7346] ? __pfx_kobject_init_and_add+0x10/0x10
[ 277.424688][ T7346] ? __raw_spin_lock_init+0x45/0x100
[ 277.424715][ T7346] ? __init_swait_queue_head+0xa9/0x150
[ 277.424744][ T7346] gfs2_sys_fs_add+0x234/0x450
[ 277.424775][ T7346] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 277.424809][ T7346] ? is_dynamic_key+0xd6/0x1c0
[ 277.424835][ T7346] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 277.424872][ T7346] gfs2_fill_super+0x13c0/0x20d0
[ 277.424910][ T7346] ? __pfx_gfs2_fill_super+0x10/0x10
[ 277.424935][ T7346] ? sb_set_blocksize+0x104/0x180
[ 277.424961][ T7346] ? setup_bdev_super+0x4c1/0x5b0
[ 277.424988][ T7346] get_tree_bdev_flags+0x40e/0x4d0
[ 277.425011][ T7346] ? __pfx_gfs2_fill_super+0x10/0x10
[ 277.425032][ T7346] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 277.425054][ T7346] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 277.425092][ T7346] gfs2_get_tree+0x51/0x1e0
[ 277.425117][ T7346] vfs_get_tree+0x92/0x2b0
[ 277.425142][ T7346] do_new_mount+0x302/0x9e0
[ 277.425166][ T7346] ? apparmor_capable+0x137/0x1b0
[ 277.425198][ T7346] ? __pfx_do_new_mount+0x10/0x10
[ 277.425223][ T7346] ? ns_capable+0x8a/0xf0
[ 277.425246][ T7346] ? kmem_cache_free+0x19b/0x690
[ 277.425282][ T7346] __se_sys_mount+0x313/0x410
[ 277.425316][ T7346] ? __pfx___se_sys_mount+0x10/0x10
[ 277.425346][ T7346] ? do_syscall_64+0xbe/0xfa0
[ 277.425374][ T7346] ? __x64_sys_mount+0x20/0xc0
[ 277.425400][ T7346] do_syscall_64+0xfa/0xfa0
[ 277.425421][ T7346] ? lockdep_hardirqs_on+0x9c/0x150
[ 277.425442][ T7346] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 277.425461][ T7346] ? clear_bhb_loop+0x60/0xb0
[ 277.425485][ T7346] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 277.425504][ T7346] RIP: 0033:0x7f716d39038a
[ 277.425522][ T7346] 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
[ 277.425539][ T7346] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 277.425561][ T7346] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 277.425577][ T7346] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 277.425591][ T7346] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 277.425604][ T7346] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 277.425617][ T7346] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 277.425650][ T7346]
[ 277.425678][ T7346] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 277.752784][ T7346] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/03 07:07:35 executed programs: 187
[ 278.076474][ T7350] loop1: detected capacity change from 0 to 32768
[ 278.099109][ T7350] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 278.106527][ T7350] CPU: 0 UID: 0 PID: 7350 Comm: syz.1.202 Not tainted syzkaller #0 PREEMPT(full)
[ 278.106543][ T7350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 278.106551][ T7350] Call Trace:
[ 278.106557][ T7350]
[ 278.106562][ T7350] dump_stack_lvl+0x189/0x250
[ 278.106582][ T7350] ? __pfx_dump_stack_lvl+0x10/0x10
[ 278.106596][ T7350] ? __pfx__printk+0x10/0x10
[ 278.106615][ T7350] ? kernfs_path_from_node+0x250/0x290
[ 278.106626][ T7350] ? kernfs_path_from_node+0x2f/0x290
[ 278.106639][ T7350] sysfs_create_dir_ns+0x259/0x280
[ 278.106652][ T7350] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 278.106667][ T7350] ? do_raw_spin_unlock+0x122/0x240
[ 278.106683][ T7350] kobject_add_internal+0x59f/0xb40
[ 278.106703][ T7350] kobject_init_and_add+0x125/0x190
[ 278.106721][ T7350] ? __pfx_kobject_init_and_add+0x10/0x10
[ 278.106736][ T7350] ? __raw_spin_lock_init+0x45/0x100
[ 278.106750][ T7350] ? __init_swait_queue_head+0xa9/0x150
[ 278.106765][ T7350] gfs2_sys_fs_add+0x234/0x450
[ 278.106782][ T7350] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 278.106800][ T7350] ? is_dynamic_key+0xd6/0x1c0
[ 278.106815][ T7350] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 278.106837][ T7350] gfs2_fill_super+0x13c0/0x20d0
[ 278.106858][ T7350] ? __pfx_gfs2_fill_super+0x10/0x10
[ 278.106872][ T7350] ? sb_set_blocksize+0x104/0x180
[ 278.106886][ T7350] ? setup_bdev_super+0x4c1/0x5b0
[ 278.106901][ T7350] get_tree_bdev_flags+0x40e/0x4d0
[ 278.106913][ T7350] ? __pfx_gfs2_fill_super+0x10/0x10
[ 278.106925][ T7350] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 278.106936][ T7350] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 278.106957][ T7350] gfs2_get_tree+0x51/0x1e0
[ 278.106971][ T7350] vfs_get_tree+0x92/0x2b0
[ 278.106984][ T7350] do_new_mount+0x302/0x9e0
[ 278.106997][ T7350] ? apparmor_capable+0x137/0x1b0
[ 278.107015][ T7350] ? __pfx_do_new_mount+0x10/0x10
[ 278.107028][ T7350] ? ns_capable+0x8a/0xf0
[ 278.107040][ T7350] ? kmem_cache_free+0x19b/0x690
[ 278.107095][ T7350] __se_sys_mount+0x313/0x410
[ 278.107123][ T7350] ? __pfx___se_sys_mount+0x10/0x10
[ 278.107149][ T7350] ? do_syscall_64+0xbe/0xfa0
[ 278.107169][ T7350] ? __x64_sys_mount+0x20/0xc0
[ 278.107192][ T7350] do_syscall_64+0xfa/0xfa0
[ 278.107211][ T7350] ? lockdep_hardirqs_on+0x9c/0x150
[ 278.107231][ T7350] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 278.107249][ T7350] ? clear_bhb_loop+0x60/0xb0
[ 278.107272][ T7350] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 278.107290][ T7350] RIP: 0033:0x7f716d39038a
[ 278.107308][ T7350] 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
[ 278.107324][ T7350] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 278.107344][ T7350] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 278.107358][ T7350] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 278.107371][ T7350] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 278.107384][ T7350] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 278.107396][ T7350] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 278.107424][ T7350]
[ 278.420317][ T7350] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 278.435320][ T7350] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 278.766798][ T7354] loop1: detected capacity change from 0 to 32768
[ 278.779041][ T7354] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 278.786455][ T7354] CPU: 1 UID: 0 PID: 7354 Comm: syz.1.203 Not tainted syzkaller #0 PREEMPT(full)
[ 278.786479][ T7354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 278.786491][ T7354] Call Trace:
[ 278.786498][ T7354]
[ 278.786506][ T7354] dump_stack_lvl+0x189/0x250
[ 278.786535][ T7354] ? __pfx_dump_stack_lvl+0x10/0x10
[ 278.786558][ T7354] ? __pfx__printk+0x10/0x10
[ 278.786589][ T7354] ? kernfs_path_from_node+0x250/0x290
[ 278.786608][ T7354] ? kernfs_path_from_node+0x2f/0x290
[ 278.786628][ T7354] sysfs_create_dir_ns+0x259/0x280
[ 278.786649][ T7354] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 278.786675][ T7354] ? do_raw_spin_unlock+0x122/0x240
[ 278.786703][ T7354] kobject_add_internal+0x59f/0xb40
[ 278.786737][ T7354] kobject_init_and_add+0x125/0x190
[ 278.786767][ T7354] ? __pfx_kobject_init_and_add+0x10/0x10
[ 278.786794][ T7354] ? __raw_spin_lock_init+0x45/0x100
[ 278.786818][ T7354] ? __init_swait_queue_head+0xa9/0x150
[ 278.786844][ T7354] gfs2_sys_fs_add+0x234/0x450
[ 278.786875][ T7354] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 278.786909][ T7354] ? is_dynamic_key+0xd6/0x1c0
[ 278.786936][ T7354] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 278.786975][ T7354] gfs2_fill_super+0x13c0/0x20d0
[ 278.787020][ T7354] ? __pfx_gfs2_fill_super+0x10/0x10
[ 278.787049][ T7354] ? sb_set_blocksize+0x104/0x180
[ 278.787072][ T7354] ? setup_bdev_super+0x4c1/0x5b0
[ 278.787098][ T7354] get_tree_bdev_flags+0x40e/0x4d0
[ 278.787122][ T7354] ? __pfx_gfs2_fill_super+0x10/0x10
[ 278.787144][ T7354] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 278.787166][ T7354] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 278.787205][ T7354] gfs2_get_tree+0x51/0x1e0
[ 278.787231][ T7354] vfs_get_tree+0x92/0x2b0
[ 278.787256][ T7354] do_new_mount+0x302/0x9e0
[ 278.787280][ T7354] ? apparmor_capable+0x137/0x1b0
[ 278.787314][ T7354] ? __pfx_do_new_mount+0x10/0x10
[ 278.787338][ T7354] ? ns_capable+0x8a/0xf0
[ 278.787360][ T7354] ? kmem_cache_free+0x19b/0x690
[ 278.787396][ T7354] __se_sys_mount+0x313/0x410
[ 278.787428][ T7354] ? __pfx___se_sys_mount+0x10/0x10
[ 278.787459][ T7354] ? do_syscall_64+0xbe/0xfa0
[ 278.787480][ T7354] ? __x64_sys_mount+0x20/0xc0
[ 278.787507][ T7354] do_syscall_64+0xfa/0xfa0
[ 278.787526][ T7354] ? lockdep_hardirqs_on+0x9c/0x150
[ 278.787546][ T7354] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 278.787564][ T7354] ? clear_bhb_loop+0x60/0xb0
[ 278.787585][ T7354] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 278.787601][ T7354] RIP: 0033:0x7f716d39038a
[ 278.787617][ T7354] 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
[ 278.787633][ T7354] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 278.787652][ T7354] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 278.787665][ T7354] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 278.787677][ T7354] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 278.787689][ T7354] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 278.787701][ T7354] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 278.787728][ T7354]
[ 279.099436][ T7354] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 279.113424][ T7354] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 279.453609][ T7358] loop1: detected capacity change from 0 to 32768
[ 279.462965][ T7358] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 279.470750][ T7358] CPU: 0 UID: 0 PID: 7358 Comm: syz.1.204 Not tainted syzkaller #0 PREEMPT(full)
[ 279.470775][ T7358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 279.470788][ T7358] Call Trace:
[ 279.470796][ T7358]
[ 279.470804][ T7358] dump_stack_lvl+0x189/0x250
[ 279.470835][ T7358] ? __pfx_dump_stack_lvl+0x10/0x10
[ 279.470860][ T7358] ? __pfx__printk+0x10/0x10
[ 279.470895][ T7358] ? kernfs_path_from_node+0x250/0x290
[ 279.470913][ T7358] ? kernfs_path_from_node+0x2f/0x290
[ 279.470937][ T7358] sysfs_create_dir_ns+0x259/0x280
[ 279.470959][ T7358] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 279.470981][ T7358] ? do_raw_spin_unlock+0x122/0x240
[ 279.471022][ T7358] kobject_add_internal+0x59f/0xb40
[ 279.471055][ T7358] kobject_init_and_add+0x125/0x190
[ 279.471088][ T7358] ? __pfx_kobject_init_and_add+0x10/0x10
[ 279.471114][ T7358] ? __raw_spin_lock_init+0x45/0x100
[ 279.471138][ T7358] ? __init_swait_queue_head+0xa9/0x150
[ 279.471164][ T7358] gfs2_sys_fs_add+0x234/0x450
[ 279.471192][ T7358] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 279.471224][ T7358] ? is_dynamic_key+0xd6/0x1c0
[ 279.471248][ T7358] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 279.471285][ T7358] gfs2_fill_super+0x13c0/0x20d0
[ 279.471319][ T7358] ? __pfx_gfs2_fill_super+0x10/0x10
[ 279.471343][ T7358] ? sb_set_blocksize+0x104/0x180
[ 279.471367][ T7358] ? setup_bdev_super+0x4c1/0x5b0
[ 279.471392][ T7358] get_tree_bdev_flags+0x40e/0x4d0
[ 279.471415][ T7358] ? __pfx_gfs2_fill_super+0x10/0x10
[ 279.471436][ T7358] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 279.471458][ T7358] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 279.471498][ T7358] gfs2_get_tree+0x51/0x1e0
[ 279.471522][ T7358] vfs_get_tree+0x92/0x2b0
[ 279.471545][ T7358] do_new_mount+0x302/0x9e0
[ 279.471568][ T7358] ? apparmor_capable+0x137/0x1b0
[ 279.471600][ T7358] ? __pfx_do_new_mount+0x10/0x10
[ 279.471625][ T7358] ? ns_capable+0x8a/0xf0
[ 279.471645][ T7358] ? kmem_cache_free+0x19b/0x690
[ 279.471680][ T7358] __se_sys_mount+0x313/0x410
[ 279.471713][ T7358] ? __pfx___se_sys_mount+0x10/0x10
[ 279.471744][ T7358] ? do_syscall_64+0xbe/0xfa0
[ 279.471765][ T7358] ? __x64_sys_mount+0x20/0xc0
[ 279.471797][ T7358] do_syscall_64+0xfa/0xfa0
[ 279.471818][ T7358] ? lockdep_hardirqs_on+0x9c/0x150
[ 279.471841][ T7358] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 279.471861][ T7358] ? clear_bhb_loop+0x60/0xb0
[ 279.471885][ T7358] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 279.471902][ T7358] RIP: 0033:0x7f716d39038a
[ 279.471919][ T7358] 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
[ 279.471938][ T7358] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 279.471958][ T7358] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 279.471973][ T7358] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 279.471987][ T7358] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 279.472009][ T7358] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 279.472023][ T7358] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 279.472056][ T7358]
[ 279.472081][ T7358] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 279.799568][ T7358] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 280.128690][ T7362] loop1: detected capacity change from 0 to 32768
[ 280.142073][ T7362] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 280.149968][ T7362] CPU: 1 UID: 0 PID: 7362 Comm: syz.1.205 Not tainted syzkaller #0 PREEMPT(full)
[ 280.149993][ T7362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 280.150006][ T7362] Call Trace:
[ 280.150014][ T7362]
[ 280.150022][ T7362] dump_stack_lvl+0x189/0x250
[ 280.150054][ T7362] ? __pfx_dump_stack_lvl+0x10/0x10
[ 280.150078][ T7362] ? __pfx__printk+0x10/0x10
[ 280.150112][ T7362] ? kernfs_path_from_node+0x250/0x290
[ 280.150132][ T7362] ? kernfs_path_from_node+0x2f/0x290
[ 280.150154][ T7362] sysfs_create_dir_ns+0x259/0x280
[ 280.150174][ T7362] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 280.150195][ T7362] ? do_raw_spin_unlock+0x122/0x240
[ 280.150222][ T7362] kobject_add_internal+0x59f/0xb40
[ 280.150253][ T7362] kobject_init_and_add+0x125/0x190
[ 280.150282][ T7362] ? __pfx_kobject_init_and_add+0x10/0x10
[ 280.150310][ T7362] ? __raw_spin_lock_init+0x45/0x100
[ 280.150333][ T7362] ? __init_swait_queue_head+0xa9/0x150
[ 280.150357][ T7362] gfs2_sys_fs_add+0x234/0x450
[ 280.150387][ T7362] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 280.150420][ T7362] ? is_dynamic_key+0xd6/0x1c0
[ 280.150446][ T7362] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 280.150484][ T7362] gfs2_fill_super+0x13c0/0x20d0
[ 280.150521][ T7362] ? __pfx_gfs2_fill_super+0x10/0x10
[ 280.150549][ T7362] ? sb_set_blocksize+0x104/0x180
[ 280.150575][ T7362] ? setup_bdev_super+0x4c1/0x5b0
[ 280.150603][ T7362] get_tree_bdev_flags+0x40e/0x4d0
[ 280.150626][ T7362] ? __pfx_gfs2_fill_super+0x10/0x10
[ 280.150647][ T7362] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 280.150669][ T7362] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 280.150708][ T7362] gfs2_get_tree+0x51/0x1e0
[ 280.150733][ T7362] vfs_get_tree+0x92/0x2b0
[ 280.150759][ T7362] do_new_mount+0x302/0x9e0
[ 280.150783][ T7362] ? apparmor_capable+0x137/0x1b0
[ 280.150817][ T7362] ? __pfx_do_new_mount+0x10/0x10
[ 280.150842][ T7362] ? ns_capable+0x8a/0xf0
[ 280.150864][ T7362] ? kmem_cache_free+0x19b/0x690
[ 280.150900][ T7362] __se_sys_mount+0x313/0x410
[ 280.150932][ T7362] ? __pfx___se_sys_mount+0x10/0x10
[ 280.150970][ T7362] ? do_syscall_64+0xbe/0xfa0
[ 280.150991][ T7362] ? __x64_sys_mount+0x20/0xc0
[ 280.151019][ T7362] do_syscall_64+0xfa/0xfa0
[ 280.151041][ T7362] ? lockdep_hardirqs_on+0x9c/0x150
[ 280.151063][ T7362] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 280.151083][ T7362] ? clear_bhb_loop+0x60/0xb0
[ 280.151106][ T7362] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 280.151124][ T7362] RIP: 0033:0x7f716d39038a
[ 280.151141][ T7362] 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
[ 280.151157][ T7362] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 280.151178][ T7362] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 280.151191][ T7362] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 280.151203][ T7362] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 280.151215][ T7362] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 280.151228][ T7362] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 280.151259][ T7362]
[ 280.151285][ T7362] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 280.477806][ T7362] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 280.818290][ T7366] loop1: detected capacity change from 0 to 32768
[ 280.831643][ T7366] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 280.839495][ T7366] CPU: 0 UID: 0 PID: 7366 Comm: syz.1.206 Not tainted syzkaller #0 PREEMPT(full)
[ 280.839519][ T7366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 280.839531][ T7366] Call Trace:
[ 280.839539][ T7366]
[ 280.839548][ T7366] dump_stack_lvl+0x189/0x250
[ 280.839580][ T7366] ? __pfx_dump_stack_lvl+0x10/0x10
[ 280.839604][ T7366] ? __pfx__printk+0x10/0x10
[ 280.839638][ T7366] ? kernfs_path_from_node+0x250/0x290
[ 280.839659][ T7366] ? kernfs_path_from_node+0x2f/0x290
[ 280.839685][ T7366] sysfs_create_dir_ns+0x259/0x280
[ 280.839709][ T7366] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 280.839732][ T7366] ? do_raw_spin_unlock+0x122/0x240
[ 280.839762][ T7366] kobject_add_internal+0x59f/0xb40
[ 280.839807][ T7366] kobject_init_and_add+0x125/0x190
[ 280.839839][ T7366] ? __pfx_kobject_init_and_add+0x10/0x10
[ 280.839867][ T7366] ? __raw_spin_lock_init+0x45/0x100
[ 280.839893][ T7366] ? __init_swait_queue_head+0xa9/0x150
[ 280.839921][ T7366] gfs2_sys_fs_add+0x234/0x450
[ 280.839949][ T7366] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 280.839982][ T7366] ? is_dynamic_key+0xd6/0x1c0
[ 280.840009][ T7366] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 280.840048][ T7366] gfs2_fill_super+0x13c0/0x20d0
[ 280.840089][ T7366] ? __pfx_gfs2_fill_super+0x10/0x10
[ 280.840117][ T7366] ? sb_set_blocksize+0x104/0x180
[ 280.840142][ T7366] ? setup_bdev_super+0x4c1/0x5b0
[ 280.840168][ T7366] get_tree_bdev_flags+0x40e/0x4d0
[ 280.840191][ T7366] ? __pfx_gfs2_fill_super+0x10/0x10
[ 280.840212][ T7366] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 280.840233][ T7366] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 280.840269][ T7366] gfs2_get_tree+0x51/0x1e0
[ 280.840293][ T7366] vfs_get_tree+0x92/0x2b0
[ 280.840319][ T7366] do_new_mount+0x302/0x9e0
[ 280.840342][ T7366] ? apparmor_capable+0x137/0x1b0
[ 280.840375][ T7366] ? __pfx_do_new_mount+0x10/0x10
[ 280.840400][ T7366] ? ns_capable+0x8a/0xf0
[ 280.840421][ T7366] ? kmem_cache_free+0x19b/0x690
[ 280.840456][ T7366] __se_sys_mount+0x313/0x410
[ 280.840488][ T7366] ? __pfx___se_sys_mount+0x10/0x10
[ 280.840516][ T7366] ? do_syscall_64+0xbe/0xfa0
[ 280.840537][ T7366] ? __x64_sys_mount+0x20/0xc0
[ 280.840565][ T7366] do_syscall_64+0xfa/0xfa0
[ 280.840587][ T7366] ? lockdep_hardirqs_on+0x9c/0x150
[ 280.840612][ T7366] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 280.840632][ T7366] ? clear_bhb_loop+0x60/0xb0
[ 280.840657][ T7366] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 280.840696][ T7366] RIP: 0033:0x7f716d39038a
[ 280.840713][ T7366] 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
[ 280.840731][ T7366] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 280.840752][ T7366] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 280.840767][ T7366] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 280.840780][ T7366] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 280.840800][ T7366] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 280.840812][ T7366] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 280.840843][ T7366]
[ 280.840870][ T7366] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 281.169854][ T7366] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 281.249123][ T31] INFO: task syz.0.17:6549 blocked for more than 143 seconds.
[ 281.256713][ T31] Not tainted syzkaller #0
[ 281.273226][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 281.282271][ T31] task:syz.0.17 state:D stack:26152 pid:6549 tgid:6549 ppid:6476 task_flags:0x400040 flags:0x00080002
[ 281.295548][ T31] Call Trace:
[ 281.299123][ T31]
[ 281.302076][ T31] __schedule+0x1798/0x4cc0
[ 281.307428][ T31] ? __pfx___schedule+0x10/0x10
[ 281.312324][ T31] ? schedule+0x91/0x360
[ 281.316587][ T31] schedule+0x165/0x360
[ 281.332192][ T31] io_schedule+0x80/0xd0
[ 281.336514][ T31] folio_wait_bit_common+0x6b0/0xb80
[ 281.348527][ T31] ? __pfx_folio_wait_bit_common+0x10/0x10
[ 281.354389][ T31] ? __pfx_wake_page_function+0x10/0x10
[ 281.360159][ T31] ? __lock_acquire+0xab9/0xd20
[ 281.365102][ T31] writeback_iter+0x8d8/0x12a0
[ 281.370147][ T31] iomap_writepages+0x14d/0x2d0
[ 281.375949][ T31] ? __pfx_iomap_writepages+0x10/0x10
[ 281.382384][ T31] gfs2_writepages+0x177/0x250
[ 281.387224][ T31] ? __pfx_gfs2_writepages+0x10/0x10
[ 281.392539][ T31] ? __lock_acquire+0xab9/0xd20
[ 281.398439][ T31] ? __pfx_gfs2_writepages+0x10/0x10
[ 281.403761][ T31] do_writepages+0x32e/0x550
[ 281.408444][ T31] ? do_raw_spin_unlock+0x122/0x240
[ 281.413693][ T31] filemap_fdatawrite+0x199/0x240
[ 281.418795][ T31] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 281.424400][ T31] ? do_raw_spin_unlock+0x122/0x240
[ 281.429701][ T31] gfs2_log_flush+0x966/0x24c0
[ 281.434497][ T31] ? __pfx_gfs2_log_flush+0x10/0x10
[ 281.440153][ T31] ? __pfx___up_read+0x10/0x10
[ 281.444954][ T31] gfs2_trans_end+0x37c/0x570
[ 281.449695][ T31] gfs2_page_mkwrite+0x14a8/0x1910
[ 281.454825][ T31] ? do_page_mkwrite+0x14d/0x310
[ 281.459815][ T31] ? __pfx_gfs2_page_mkwrite+0x10/0x10
[ 281.465284][ T31] ? gfs2_fault+0x19a/0x1f0
[ 281.469844][ T31] ? do_page_mkwrite+0x14d/0x310
[ 281.475421][ T31] do_page_mkwrite+0x14d/0x310
[ 281.480379][ T31] __handle_mm_fault+0x1916/0x5400
[ 281.485527][ T31] ? lock_vma_under_rcu+0x1a3/0x450
[ 281.491834][ T31] ? __pfx___handle_mm_fault+0x10/0x10
[ 281.497376][ T31] ? lock_vma_under_rcu+0x3d2/0x450
[ 281.502599][ T31] ? __pfx_do_futex+0x10/0x10
[ 281.508242][ T31] ? __pfx_lock_vma_under_rcu+0x10/0x10
[ 281.513825][ T31] handle_mm_fault+0x40a/0x8e0
[ 281.518665][ T31] do_user_addr_fault+0xa7c/0x1380
[ 281.523805][ T31] ? rcu_is_watching+0x15/0xb0
[ 281.528611][ T31] ? trace_page_fault_user+0x84/0x1e0
[ 281.534009][ T31] exc_page_fault+0x82/0x100
[ 281.538726][ T31] asm_exc_page_fault+0x26/0x30
[ 281.543592][ T31] RIP: 0033:0x7fea302550b3
[ 281.548484][ T31] RSP: 002b:00007ffe2c8864e0 EFLAGS: 00010246
[ 281.554574][ T31] RAX: 0000200000000180 RBX: 0000000000000008 RCX: 0000000000000000
[ 281.562610][ T31] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000055557a43d3c8
[ 281.577742][ T31] RBP: 00007ffe2c8865e8 R08: 0000000000000000 R09: 0000000000000000
[ 281.585744][ T31] R10: 0000000000000000 R11: 0000000000000000 R12: 00007fea305b5fac
[ 281.593883][ T31] R13: 00007fea305b5fa0 R14: fffffffffffffffe R15: 00007ffe2c886630
[ 281.602085][ T31]
[ 281.605192][ T31]
[ 281.605192][ T31] Showing all locks held in the system:
[ 281.613873][ T31] 1 lock held by khungtaskd/31:
[ 281.620533][ T31] #0: ffffffff8dd3d2e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[ 281.630498][ T31] 4 locks held by kworker/u8:6/1163:
[ 281.635779][ T31] #0: ffff88801fe9b148 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0
[ 281.647275][ T31] #1: ffffc90004027ba0 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0
[ 281.659885][ T31] #2: ffff8880274420e0 (&type->s_umount_key#53){.+.+}-{4:4}, at: super_trylock_shared+0x20/0xf0
[ 281.670504][ T31] #3: ffff88802f064e50 (&sdp->sd_log_flush_lock){++++}-{4:4}, at: gfs2_log_flush+0x103/0x24c0
[ 281.681398][ T31] 5 locks held by kworker/u8:7/4806:
[ 281.686707][ T31] 2 locks held by getty/5600:
[ 281.691429][ T31] #0: ffff88814cbf70a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 281.695200][ T7370] loop1: detected capacity change from 0 to 32768
[ 281.701320][ T31] #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400
[ 281.717890][ T31] 4 locks held by syz.0.17/6549:
[ 281.722992][ T31] #0: ffff88804c33e588 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x1a3/0x450
[ 281.732936][ T31] #1: ffff888027442518 (sb_pagefaults#2){.+.+}-{0:0}, at: do_page_mkwrite+0x14d/0x310
[ 281.743068][ T31] #2: ffff888027442610 (sb_internal#2){.+.+}-{0:0}, at: gfs2_trans_begin+0x6f/0xe0
[ 281.752942][ T31] #3: ffff88802f064e50 (&sdp->sd_log_flush_lock){++++}-{4:4}, at: gfs2_log_flush+0x103/0x24c0
[ 281.757387][ T7370] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 281.763767][ T31] 1 lock held by gfs2_logd/syz:s/6571:
[ 281.776544][ T31] #0: ffff88802f064e50 (&sdp->sd_log_flush_lock){++++}-{4:4}, at: gfs2_log_flush+0x103/0x24c0
[ 281.787122][ T7370] CPU: 1 UID: 0 PID: 7370 Comm: syz.1.207 Not tainted syzkaller #0 PREEMPT(full)
[ 281.787149][ T7370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 281.787161][ T7370] Call Trace:
[ 281.787170][ T7370]
[ 281.787178][ T7370] dump_stack_lvl+0x189/0x250
[ 281.787211][ T7370] ? __pfx_dump_stack_lvl+0x10/0x10
[ 281.787235][ T7370] ? __pfx__printk+0x10/0x10
[ 281.787270][ T7370] ? kernfs_path_from_node+0x250/0x290
[ 281.787289][ T7370] ? kernfs_path_from_node+0x2f/0x290
[ 281.787313][ T7370] sysfs_create_dir_ns+0x259/0x280
[ 281.787336][ T7370] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 281.787358][ T7370] ? do_raw_spin_unlock+0x122/0x240
[ 281.787387][ T7370] kobject_add_internal+0x59f/0xb40
[ 281.787423][ T7370] kobject_init_and_add+0x125/0x190
[ 281.787456][ T7370] ? __pfx_kobject_init_and_add+0x10/0x10
[ 281.787482][ T7370] ? __raw_spin_lock_init+0x45/0x100
[ 281.787505][ T7370] ? __init_swait_queue_head+0xa9/0x150
[ 281.787532][ T7370] gfs2_sys_fs_add+0x234/0x450
[ 281.787562][ T7370] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 281.787595][ T7370] ? is_dynamic_key+0xd6/0x1c0
[ 281.787621][ T7370] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 281.787658][ T7370] gfs2_fill_super+0x13c0/0x20d0
[ 281.787696][ T7370] ? __pfx_gfs2_fill_super+0x10/0x10
[ 281.787723][ T7370] ? sb_set_blocksize+0x104/0x180
[ 281.787755][ T7370] ? setup_bdev_super+0x4c1/0x5b0
[ 281.787782][ T7370] get_tree_bdev_flags+0x40e/0x4d0
[ 281.787806][ T7370] ? __pfx_gfs2_fill_super+0x10/0x10
[ 281.787827][ T7370] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 281.787848][ T7370] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 281.787886][ T7370] gfs2_get_tree+0x51/0x1e0
[ 281.787911][ T7370] vfs_get_tree+0x92/0x2b0
[ 281.787937][ T7370] do_new_mount+0x302/0x9e0
[ 281.787960][ T7370] ? apparmor_capable+0x137/0x1b0
[ 281.787992][ T7370] ? __pfx_do_new_mount+0x10/0x10
[ 281.788016][ T7370] ? ns_capable+0x8a/0xf0
[ 281.788037][ T7370] ? kmem_cache_free+0x19b/0x690
[ 281.788071][ T7370] __se_sys_mount+0x313/0x410
[ 281.788103][ T7370] ? __pfx___se_sys_mount+0x10/0x10
[ 281.788132][ T7370] ? do_syscall_64+0xbe/0xfa0
[ 281.788153][ T7370] ? __x64_sys_mount+0x20/0xc0
[ 281.788180][ T7370] do_syscall_64+0xfa/0xfa0
[ 281.788202][ T7370] ? lockdep_hardirqs_on+0x9c/0x150
[ 281.788224][ T7370] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 281.788243][ T7370] ? clear_bhb_loop+0x60/0xb0
[ 281.788266][ T7370] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 281.788285][ T7370] RIP: 0033:0x7f716d39038a
[ 281.788303][ T7370] 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
[ 281.788321][ T7370] RSP: 002b:00007f716e117e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 281.788341][ T7370] RAX: ffffffffffffffda RBX: 00007f716e117ef0 RCX: 00007f716d39038a
[ 281.788356][ T7370] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f716e117eb0
[ 281.788370][ T7370] RBP: 000020000001f680 R08: 00007f716e117ef0 R09: 0000000000000094
[ 281.788384][ T7370] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 281.788397][ T7370] R13: 00007f716e117eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 281.788429][ T7370]
[ 281.788454][ T7370] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 281.799258][ T31] 1 lock held by udevd/6584:
[ 281.827368][ T7370] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 281.827688][ T31] #0: ffff8880b873a018 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140
[ 282.137738][ T31] 2 locks held by syz.1.208/7374:
[ 282.142808][ T31]
[ 282.145139][ T31] =============================================
[ 282.145139][ T31]
[ 282.156124][ T31] NMI backtrace for cpu 0
[ 282.156142][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 282.156164][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 282.156176][ T31] Call Trace:
[ 282.156184][ T31]
[ 282.156193][ T31] dump_stack_lvl+0x189/0x250
[ 282.156224][ T31] ? __pfx_dump_stack_lvl+0x10/0x10
[ 282.156249][ T31] ? __pfx__printk+0x10/0x10
[ 282.156290][ T31] nmi_cpu_backtrace+0x39e/0x3d0
[ 282.156323][ T31] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 282.156355][ T31] ? __pfx__printk+0x10/0x10
[ 282.156388][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 282.156417][ T31] nmi_trigger_cpumask_backtrace+0x17a/0x300
[ 282.156450][ T31] watchdog+0xf60/0xfa0
[ 282.156483][ T31] ? watchdog+0x1e2/0xfa0
[ 282.156516][ T31] kthread+0x711/0x8a0
[ 282.156543][ T31] ? __pfx_watchdog+0x10/0x10
[ 282.156569][ T31] ? __pfx_kthread+0x10/0x10
[ 282.156594][ T31] ? _raw_spin_unlock_irq+0x23/0x50
[ 282.156615][ T31] ? lockdep_hardirqs_on+0x9c/0x150
[ 282.156635][ T31] ? __pfx_kthread+0x10/0x10
[ 282.156666][ T31] ret_from_fork+0x4bc/0x870
[ 282.156705][ T31] ? __pfx_ret_from_fork+0x10/0x10
[ 282.156741][ T31] ? __switch_to_asm+0x39/0x70
[ 282.156766][ T31] ? __switch_to_asm+0x33/0x70
[ 282.156791][ T31] ? __pfx_kthread+0x10/0x10
[ 282.156815][ T31] ret_from_fork_asm+0x1a/0x30
[ 282.156857][ T31]
[ 282.156865][ T31] Sending NMI from CPU 0 to CPUs 1:
[ 282.304515][ C1] NMI backtrace for cpu 1
[ 282.304533][ C1] CPU: 1 UID: 0 PID: 7374 Comm: syz.1.208 Not tainted syzkaller #0 PREEMPT(full)
[ 282.304554][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 282.304565][ C1] RIP: 0010:folio_mark_dirty+0x45/0x190
[ 282.304590][ C1] Code: d3 08 00 48 85 c0 0f 84 1f 01 00 00 49 89 c6 49 bc 00 00 00 00 00 fc ff df 4c 8d 7b 08 4d 89 fd 49 c1 ed 03 43 80 7c 25 00 00 <74> 08 4c 89 ff e8 11 a8 2a 00 49 8b 2f 48 89 ee 48 83 e6 01 31 ff
[ 282.304606][ C1] RSP: 0018:ffffc90004757a90 EFLAGS: 00000246
[ 282.304622][ C1] RAX: ffff888030ab9090 RBX: ffffea0001d0d000 RCX: ffff888079789e40
[ 282.304637][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 282.304648][ C1] RBP: dffffc0000000000 R08: ffffea0001d0d007 R09: 1ffffd40003a1a00
[ 282.304662][ C1] R10: dffffc0000000000 R11: fffff940003a1a01 R12: dffffc0000000000
[ 282.304677][ C1] R13: 1ffffd40003a1a01 R14: ffff888030ab9090 R15: ffffea0001d0d008
[ 282.304691][ C1] FS: 00007f716e1186c0(0000) GS:ffff88812626c000(0000) knlGS:0000000000000000
[ 282.304707][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 282.304719][ C1] CR2: 00007f71653ff000 CR3: 0000000032da2000 CR4: 00000000003526f0
[ 282.304736][ C1] Call Trace:
[ 282.304743][ C1]
[ 282.304753][ C1] shmem_write_end+0x424/0x5d0
[ 282.304776][ C1] generic_perform_write+0x62a/0x900
[ 282.304808][ C1] ? __pfx_generic_perform_write+0x10/0x10
[ 282.304834][ C1] ? preempt_count_add+0x91/0x1a0
[ 282.304860][ C1] ? mnt_put_write_access_file+0xb9/0x100
[ 282.304878][ C1] ? file_update_time+0x416/0x490
[ 282.304897][ C1] shmem_file_write_iter+0xf8/0x120
[ 282.304919][ C1] vfs_write+0x5c9/0xb30
[ 282.304940][ C1] ? __pfx_shmem_file_write_iter+0x10/0x10
[ 282.304967][ C1] ? __pfx_vfs_write+0x10/0x10
[ 282.304990][ C1] ? __fget_files+0x2a/0x420
[ 282.305016][ C1] ksys_write+0x145/0x250
[ 282.305036][ C1] ? __pfx_ksys_write+0x10/0x10
[ 282.305058][ C1] ? do_syscall_64+0xbe/0xfa0
[ 282.305081][ C1] do_syscall_64+0xfa/0xfa0
[ 282.305100][ C1] ? lockdep_hardirqs_on+0x9c/0x150
[ 282.305119][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 282.305137][ C1] ? clear_bhb_loop+0x60/0xb0
[ 282.305156][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 282.305173][ C1] RIP: 0033:0x7f716d38d69f
[ 282.305187][ C1] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[ 282.305202][ C1] RSP: 002b:00007f716e117df0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 282.305219][ C1] RAX: ffffffffffffffda RBX: 0000000001000000 RCX: 00007f716d38d69f
[ 282.305232][ C1] RDX: 0000000001000000 RSI: 00007f7164400000 RDI: 0000000000000003
[ 282.305244][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000001f78a
[ 282.305255][ C1] R10: 000020000005e5c2 R11: 0000000000000293 R12: 0000000000000003
[ 282.305266][ C1] R13: 00007f716e117ef0 R14: 00007f716e117eb0 R15: 00007f7164400000
[ 282.305287][ C1]
[ 282.305597][ T31] Kernel panic - not syncing: hung_task: blocked tasks
[ 282.608200][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 282.617301][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 282.627347][ T31] Call Trace:
[ 282.630614][ T31]
[ 282.633535][ T31] dump_stack_lvl+0x99/0x250
[ 282.638122][ T31] ? __asan_memcpy+0x40/0x70
[ 282.642702][ T31] ? __pfx_dump_stack_lvl+0x10/0x10
[ 282.647899][ T31] ? __pfx__printk+0x10/0x10
[ 282.652493][ T31] vpanic+0x237/0x6d0
[ 282.656469][ T31] ? __pfx_vpanic+0x10/0x10
[ 282.660968][ T31] ? preempt_schedule_common+0x83/0xd0
[ 282.666426][ T31] panic+0xb9/0xc0
[ 282.670141][ T31] ? __pfx_panic+0x10/0x10
[ 282.674554][ T31] ? preempt_schedule_thunk+0x16/0x30
[ 282.679919][ T31] ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[ 282.686073][ T31] watchdog+0xf9f/0xfa0
[ 282.690230][ T31] ? watchdog+0x1e2/0xfa0
[ 282.694560][ T31] kthread+0x711/0x8a0
[ 282.698623][ T31] ? __pfx_watchdog+0x10/0x10
[ 282.703299][ T31] ? __pfx_kthread+0x10/0x10
[ 282.707892][ T31] ? _raw_spin_unlock_irq+0x23/0x50
[ 282.713086][ T31] ? lockdep_hardirqs_on+0x9c/0x150
[ 282.718276][ T31] ? __pfx_kthread+0x10/0x10
[ 282.722861][ T31] ret_from_fork+0x4bc/0x870
[ 282.727460][ T31] ? __pfx_ret_from_fork+0x10/0x10
[ 282.732573][ T31] ? __switch_to_asm+0x39/0x70
[ 282.737329][ T31] ? __switch_to_asm+0x33/0x70
[ 282.742088][ T31] ? __pfx_kthread+0x10/0x10
[ 282.746670][ T31] ret_from_fork_asm+0x1a/0x30
[ 282.751440][ T31]
[ 282.754717][ T31] Kernel Offset: disabled
[ 282.759092][ T31] Rebooting in 86400 seconds..