kernfs_path_from_node+0x2f/0x290
[ 442.816604][ T9415] sysfs_create_dir_ns+0x259/0x280
[ 442.816631][ T9415] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 442.816657][ T9415] ? do_raw_spin_unlock+0x122/0x240
[ 442.816681][ T9415] kobject_add_internal+0x59f/0xb40
[ 442.816712][ T9415] kobject_init_and_add+0x125/0x190
[ 442.816739][ T9415] ? __pfx_kobject_init_and_add+0x10/0x10
[ 442.816761][ T9415] ? __raw_spin_lock_init+0x45/0x100
[ 442.816782][ T9415] ? __init_swait_queue_head+0xa9/0x150
[ 442.816805][ T9415] gfs2_sys_fs_add+0x234/0x450
[ 442.816829][ T9415] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 442.816855][ T9415] ? is_dynamic_key+0xd6/0x1c0
[ 442.816877][ T9415] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 442.816910][ T9415] gfs2_fill_super+0x13c0/0x20d0
[ 442.816942][ T9415] ? __pfx_gfs2_fill_super+0x10/0x10
[ 442.816963][ T9415] ? sb_set_blocksize+0x104/0x180
[ 442.816988][ T9415] ? setup_bdev_super+0x4c1/0x5b0
[ 442.817011][ T9415] get_tree_bdev_flags+0x40e/0x4d0
[ 442.817039][ T9415] ? __pfx_gfs2_fill_super+0x10/0x10
[ 442.817056][ T9415] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 442.817073][ T9415] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 442.817105][ T9415] gfs2_get_tree+0x51/0x1e0
[ 442.817125][ T9415] vfs_get_tree+0x92/0x2b0
[ 442.817146][ T9415] do_new_mount+0x302/0x9e0
[ 442.817164][ T9415] ? apparmor_capable+0x137/0x1b0
[ 442.817193][ T9415] ? __pfx_do_new_mount+0x10/0x10
[ 442.817213][ T9415] ? ns_capable+0x8a/0xf0
[ 442.817240][ T9415] ? kmem_cache_free+0x19b/0x690
[ 442.817269][ T9415] __se_sys_mount+0x313/0x410
[ 442.817295][ T9415] ? __pfx___se_sys_mount+0x10/0x10
[ 442.817320][ T9415] ? do_syscall_64+0xbe/0xfa0
[ 442.817338][ T9415] ? __x64_sys_mount+0x20/0xc0
[ 442.817361][ T9415] do_syscall_64+0xfa/0xfa0
[ 442.817376][ T9415] ? lockdep_hardirqs_on+0x9c/0x150
[ 442.817393][ T9415] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 442.817408][ T9415] ? clear_bhb_loop+0x60/0xb0
[ 442.817428][ T9415] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 442.817444][ T9415] RIP: 0033:0x7f3b5339034a
[ 442.817461][ T9415] 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
[ 442.817477][ T9415] RSP: 002b:00007f3b5428ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 442.817496][ T9415] RAX: ffffffffffffffda RBX: 00007f3b5428cef0 RCX: 00007f3b5339034a
[ 442.817508][ T9415] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007f3b5428ceb0
[ 442.817520][ T9415] RBP: 0000200000000240 R08: 00007f3b5428cef0 R09: 0000000001000800
[ 442.817532][ T9415] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 442.817543][ T9415] R13: 00007f3b5428ceb0 R14: 0000000000012601 R15: 00002000000003c0
[ 442.817573][ T9415]
[ 443.127593][ T9415] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 443.142156][ T9415] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 443.165712][ T9419] loop3: detected capacity change from 0 to 32768
[ 443.339364][ T9419] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 443.346824][ T9419] CPU: 0 UID: 0 PID: 9419 Comm: syz.3.805 Not tainted syzkaller #0 PREEMPT(full)
[ 443.346849][ T9419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 443.346860][ T9419] Call Trace:
[ 443.346868][ T9419]
[ 443.346876][ T9419] dump_stack_lvl+0x189/0x250
[ 443.346904][ T9419] ? __pfx_dump_stack_lvl+0x10/0x10
[ 443.346924][ T9419] ? __pfx__printk+0x10/0x10
[ 443.346950][ T9419] ? kernfs_path_from_node+0x250/0x290
[ 443.346966][ T9419] ? kernfs_path_from_node+0x2f/0x290
[ 443.346986][ T9419] sysfs_create_dir_ns+0x259/0x280
[ 443.347014][ T9419] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 443.347040][ T9419] ? do_raw_spin_unlock+0x122/0x240
[ 443.347064][ T9419] kobject_add_internal+0x59f/0xb40
[ 443.347095][ T9419] kobject_init_and_add+0x125/0x190
[ 443.347122][ T9419] ? __pfx_kobject_init_and_add+0x10/0x10
[ 443.347146][ T9419] ? __raw_spin_lock_init+0x45/0x100
[ 443.347166][ T9419] ? __init_swait_queue_head+0xa9/0x150
[ 443.347190][ T9419] gfs2_sys_fs_add+0x234/0x450
[ 443.347220][ T9419] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 443.347248][ T9419] ? is_dynamic_key+0xd6/0x1c0
[ 443.347269][ T9419] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 443.347303][ T9419] gfs2_fill_super+0x13c0/0x20d0
[ 443.347337][ T9419] ? __pfx_gfs2_fill_super+0x10/0x10
[ 443.347360][ T9419] ? sb_set_blocksize+0x104/0x180
[ 443.347380][ T9419] ? setup_bdev_super+0x4c1/0x5b0
[ 443.347402][ T9419] get_tree_bdev_flags+0x40e/0x4d0
[ 443.347421][ T9419] ? __pfx_gfs2_fill_super+0x10/0x10
[ 443.347438][ T9419] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 443.347455][ T9419] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 443.347488][ T9419] gfs2_get_tree+0x51/0x1e0
[ 443.347508][ T9419] vfs_get_tree+0x92/0x2b0
[ 443.347529][ T9419] do_new_mount+0x302/0x9e0
[ 443.347549][ T9419] ? apparmor_capable+0x137/0x1b0
[ 443.347578][ T9419] ? __pfx_do_new_mount+0x10/0x10
[ 443.347599][ T9419] ? ns_capable+0x8a/0xf0
[ 443.347626][ T9419] ? kmem_cache_free+0x19b/0x690
[ 443.347655][ T9419] __se_sys_mount+0x313/0x410
[ 443.347683][ T9419] ? __pfx___se_sys_mount+0x10/0x10
[ 443.347707][ T9419] ? do_syscall_64+0xbe/0xfa0
[ 443.347726][ T9419] ? __x64_sys_mount+0x20/0xc0
[ 443.347748][ T9419] do_syscall_64+0xfa/0xfa0
[ 443.347766][ T9419] ? lockdep_hardirqs_on+0x9c/0x150
[ 443.347786][ T9419] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 443.347803][ T9419] ? clear_bhb_loop+0x60/0xb0
[ 443.347824][ T9419] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 443.347841][ T9419] RIP: 0033:0x7f57be39034a
[ 443.347857][ T9419] 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
[ 443.347872][ T9419] RSP: 002b:00007f57bd9fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 443.347892][ T9419] RAX: ffffffffffffffda RBX: 00007f57bd9fdef0 RCX: 00007f57be39034a
[ 443.347905][ T9419] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007f57bd9fdeb0
[ 443.347917][ T9419] RBP: 0000200000000240 R08: 00007f57bd9fdef0 R09: 0000000001000800
[ 443.347930][ T9419] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 443.347942][ T9419] R13: 00007f57bd9fdeb0 R14: 0000000000012601 R15: 00002000000003c0
[ 443.347971][ T9419]
[ 443.659952][ T9419] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 443.673997][ T9419] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 443.696540][ T9423] loop2: detected capacity change from 0 to 32768
[ 443.707972][ T9423] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 443.715373][ T9423] CPU: 1 UID: 0 PID: 9423 Comm: syz.2.806 Not tainted syzkaller #0 PREEMPT(full)
[ 443.715396][ T9423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 443.715407][ T9423] Call Trace:
[ 443.715415][ T9423]
[ 443.715423][ T9423] dump_stack_lvl+0x189/0x250
[ 443.715450][ T9423] ? __pfx_dump_stack_lvl+0x10/0x10
[ 443.715470][ T9423] ? __pfx__printk+0x10/0x10
[ 443.715498][ T9423] ? kernfs_path_from_node+0x250/0x290
[ 443.715514][ T9423] ? kernfs_path_from_node+0x2f/0x290
[ 443.715534][ T9423] sysfs_create_dir_ns+0x259/0x280
[ 443.715561][ T9423] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 443.715587][ T9423] ? do_raw_spin_unlock+0x122/0x240
[ 443.715611][ T9423] kobject_add_internal+0x59f/0xb40
[ 443.715643][ T9423] kobject_init_and_add+0x125/0x190
[ 443.715670][ T9423] ? __pfx_kobject_init_and_add+0x10/0x10
[ 443.715693][ T9423] ? __raw_spin_lock_init+0x45/0x100
[ 443.715714][ T9423] ? __init_swait_queue_head+0xa9/0x150
[ 443.715737][ T9423] gfs2_sys_fs_add+0x234/0x450
[ 443.715761][ T9423] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 443.715789][ T9423] ? is_dynamic_key+0xd6/0x1c0
[ 443.715811][ T9423] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 443.715845][ T9423] gfs2_fill_super+0x13c0/0x20d0
[ 443.715877][ T9423] ? __pfx_gfs2_fill_super+0x10/0x10
[ 443.715898][ T9423] ? sb_set_blocksize+0x104/0x180
[ 443.715922][ T9423] ? setup_bdev_super+0x4c1/0x5b0
[ 443.715946][ T9423] get_tree_bdev_flags+0x40e/0x4d0
[ 443.715966][ T9423] ? __pfx_gfs2_fill_super+0x10/0x10
[ 443.715983][ T9423] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 443.716000][ T9423] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 443.716033][ T9423] gfs2_get_tree+0x51/0x1e0
[ 443.716053][ T9423] vfs_get_tree+0x92/0x2b0
[ 443.716075][ T9423] do_new_mount+0x302/0x9e0
[ 443.716093][ T9423] ? apparmor_capable+0x137/0x1b0
[ 443.716118][ T9423] ? __pfx_do_new_mount+0x10/0x10
[ 443.716143][ T9423] ? ns_capable+0x8a/0xf0
[ 443.716176][ T9423] ? kmem_cache_free+0x19b/0x690
[ 443.716206][ T9423] __se_sys_mount+0x313/0x410
[ 443.716232][ T9423] ? __pfx___se_sys_mount+0x10/0x10
[ 443.716257][ T9423] ? do_syscall_64+0xbe/0xfa0
[ 443.716276][ T9423] ? __x64_sys_mount+0x20/0xc0
[ 443.716298][ T9423] do_syscall_64+0xfa/0xfa0
[ 443.716317][ T9423] ? lockdep_hardirqs_on+0x9c/0x150
[ 443.716336][ T9423] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 443.716353][ T9423] ? clear_bhb_loop+0x60/0xb0
[ 443.716374][ T9423] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 443.716391][ T9423] RIP: 0033:0x7f7d5619034a
[ 443.716407][ T9423] 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
[ 443.716423][ T9423] RSP: 002b:00007f7d56fd3e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 443.716442][ T9423] RAX: ffffffffffffffda RBX: 00007f7d56fd3ef0 RCX: 00007f7d5619034a
[ 443.716455][ T9423] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007f7d56fd3eb0
[ 443.716468][ T9423] RBP: 0000200000000240 R08: 00007f7d56fd3ef0 R09: 0000000001000800
[ 443.716480][ T9423] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 443.716492][ T9423] R13: 00007f7d56fd3eb0 R14: 0000000000012601 R15: 00002000000003c0
[ 443.716522][ T9423]
[ 443.716546][ T9423] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 444.085568][ T9423] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 444.458797][ T9432] loop3: detected capacity change from 0 to 32768
[ 444.460966][ T9431] loop4: detected capacity change from 0 to 32768
[ 444.519726][ T9432] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 444.527195][ T9432] CPU: 0 UID: 0 PID: 9432 Comm: syz.3.809 Not tainted syzkaller #0 PREEMPT(full)
[ 444.527220][ T9432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 444.527232][ T9432] Call Trace:
[ 444.527239][ T9432]
[ 444.527248][ T9432] dump_stack_lvl+0x189/0x250
[ 444.527276][ T9432] ? __pfx_dump_stack_lvl+0x10/0x10
[ 444.527295][ T9432] ? __pfx__printk+0x10/0x10
[ 444.527322][ T9432] ? kernfs_path_from_node+0x250/0x290
[ 444.527339][ T9432] ? kernfs_path_from_node+0x2f/0x290
[ 444.527360][ T9432] sysfs_create_dir_ns+0x259/0x280
[ 444.527383][ T9432] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 444.527405][ T9432] ? do_raw_spin_unlock+0x122/0x240
[ 444.527428][ T9432] kobject_add_internal+0x59f/0xb40
[ 444.527457][ T9432] kobject_init_and_add+0x125/0x190
[ 444.527481][ T9432] ? __pfx_kobject_init_and_add+0x10/0x10
[ 444.527502][ T9432] ? __raw_spin_lock_init+0x45/0x100
[ 444.527521][ T9432] ? __init_swait_queue_head+0xa9/0x150
[ 444.527542][ T9432] gfs2_sys_fs_add+0x234/0x450
[ 444.527565][ T9432] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 444.527592][ T9432] ? is_dynamic_key+0xd6/0x1c0
[ 444.527611][ T9432] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 444.527644][ T9432] gfs2_fill_super+0x13c0/0x20d0
[ 444.527676][ T9432] ? __pfx_gfs2_fill_super+0x10/0x10
[ 444.527698][ T9432] ? sb_set_blocksize+0x104/0x180
[ 444.527721][ T9432] ? setup_bdev_super+0x4c1/0x5b0
[ 444.527744][ T9432] get_tree_bdev_flags+0x40e/0x4d0
[ 444.527763][ T9432] ? __pfx_gfs2_fill_super+0x10/0x10
[ 444.527780][ T9432] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 444.527797][ T9432] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 444.527829][ T9432] gfs2_get_tree+0x51/0x1e0
[ 444.527850][ T9432] vfs_get_tree+0x92/0x2b0
[ 444.527872][ T9432] do_new_mount+0x302/0x9e0
[ 444.527890][ T9432] ? apparmor_capable+0x137/0x1b0
[ 444.527919][ T9432] ? __pfx_do_new_mount+0x10/0x10
[ 444.527939][ T9432] ? ns_capable+0x8a/0xf0
[ 444.527966][ T9432] ? kmem_cache_free+0x19b/0x690
[ 444.527996][ T9432] __se_sys_mount+0x313/0x410
[ 444.528022][ T9432] ? __pfx___se_sys_mount+0x10/0x10
[ 444.528046][ T9432] ? do_syscall_64+0xbe/0xfa0
[ 444.528071][ T9432] ? __x64_sys_mount+0x20/0xc0
[ 444.528094][ T9432] do_syscall_64+0xfa/0xfa0
[ 444.528112][ T9432] ? lockdep_hardirqs_on+0x9c/0x150
[ 444.528131][ T9432] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 444.528149][ T9432] ? clear_bhb_loop+0x60/0xb0
[ 444.528169][ T9432] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 444.528186][ T9432] RIP: 0033:0x7f57be39034a
[ 444.528203][ T9432] 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
[ 444.528218][ T9432] RSP: 002b:00007f57bd9fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 444.528237][ T9432] RAX: ffffffffffffffda RBX: 00007f57bd9fdef0 RCX: 00007f57be39034a
[ 444.528250][ T9432] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007f57bd9fdeb0
[ 444.528263][ T9432] RBP: 0000200000000240 R08: 00007f57bd9fdef0 R09: 0000000001000800
[ 444.528275][ T9432] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 444.528287][ T9432] R13: 00007f57bd9fdeb0 R14: 0000000000012601 R15: 00002000000003c0
[ 444.528317][ T9432]
[ 444.841818][ T9432] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 444.856156][ T9432] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 444.905554][ T9431] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 444.913066][ T9431] CPU: 0 UID: 0 PID: 9431 Comm: syz.4.808 Not tainted syzkaller #0 PREEMPT(full)
[ 444.913094][ T9431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 444.913106][ T9431] Call Trace:
[ 444.913114][ T9431]
[ 444.913121][ T9431] dump_stack_lvl+0x189/0x250
[ 444.913148][ T9431] ? __pfx_dump_stack_lvl+0x10/0x10
[ 444.913169][ T9431] ? __pfx__printk+0x10/0x10
2025/09/27 08:41:19 executed programs: 803
[ 444.913196][ T9431] ? kernfs_path_from_node+0x250/0x290
[ 444.913212][ T9431] ? kernfs_path_from_node+0x2f/0x290
[ 444.913233][ T9431] sysfs_create_dir_ns+0x259/0x280
[ 444.913260][ T9431] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 444.913286][ T9431] ? do_raw_spin_unlock+0x122/0x240
[ 444.913311][ T9431] kobject_add_internal+0x59f/0xb40
[ 444.913343][ T9431] kobject_init_and_add+0x125/0x190
[ 444.913370][ T9431] ? __pfx_kobject_init_and_add+0x10/0x10
[ 444.913393][ T9431] ? __raw_spin_lock_init+0x45/0x100
[ 444.913414][ T9431] ? __init_swait_queue_head+0xa9/0x150
[ 444.913437][ T9431] gfs2_sys_fs_add+0x234/0x450
[ 444.913461][ T9431] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 444.913488][ T9431] ? is_dynamic_key+0xd6/0x1c0
[ 444.913508][ T9431] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 444.913543][ T9431] gfs2_fill_super+0x13c0/0x20d0
[ 444.913576][ T9431] ? __pfx_gfs2_fill_super+0x10/0x10
[ 444.913597][ T9431] ? sb_set_blocksize+0x104/0x180
[ 444.913620][ T9431] ? setup_bdev_super+0x4c1/0x5b0
[ 444.913643][ T9431] get_tree_bdev_flags+0x40e/0x4d0
[ 444.913661][ T9431] ? __pfx_gfs2_fill_super+0x10/0x10
[ 444.913677][ T9431] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 444.913694][ T9431] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 444.913727][ T9431] gfs2_get_tree+0x51/0x1e0
[ 444.913747][ T9431] vfs_get_tree+0x92/0x2b0
[ 444.913767][ T9431] do_new_mount+0x302/0x9e0
[ 444.913786][ T9431] ? apparmor_capable+0x137/0x1b0
[ 444.913815][ T9431] ? __pfx_do_new_mount+0x10/0x10
[ 444.913835][ T9431] ? ns_capable+0x8a/0xf0
[ 444.913862][ T9431] ? kmem_cache_free+0x19b/0x690
[ 444.913892][ T9431] __se_sys_mount+0x313/0x410
[ 444.913918][ T9431] ? __pfx___se_sys_mount+0x10/0x10
[ 444.913944][ T9431] ? do_syscall_64+0xbe/0xfa0
[ 444.913962][ T9431] ? __x64_sys_mount+0x20/0xc0
[ 444.913985][ T9431] do_syscall_64+0xfa/0xfa0
[ 444.914009][ T9431] ? lockdep_hardirqs_on+0x9c/0x150
[ 444.914029][ T9431] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 444.914046][ T9431] ? clear_bhb_loop+0x60/0xb0
[ 444.914067][ T9431] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 444.914084][ T9431] RIP: 0033:0x7f3b5339034a
[ 444.914101][ T9431] 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
[ 444.914116][ T9431] RSP: 002b:00007f3b5428ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 444.914135][ T9431] RAX: ffffffffffffffda RBX: 00007f3b5428cef0 RCX: 00007f3b5339034a
[ 444.914148][ T9431] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007f3b5428ceb0
[ 444.914160][ T9431] RBP: 0000200000000240 R08: 00007f3b5428cef0 R09: 0000000001000800
[ 444.914173][ T9431] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 444.914185][ T9431] R13: 00007f3b5428ceb0 R14: 0000000000012601 R15: 00002000000003c0
[ 444.914215][ T9431]
[ 444.914241][ T9431] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 445.250654][ T9431] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 445.644595][ T6568] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 3270ms
[ 446.025560][ T9442] loop1: detected capacity change from 0 to 32768
[ 446.034428][ T6568] gfs2: fsid=syz:syz.0: jid=0: Done
[ 446.039946][ T9406] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 446.162499][ T9406] gfs2: fsid=syz:syz.0: can't create logd thread: -4
[ 446.170836][ T9442] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 446.178284][ T9442] CPU: 1 UID: 0 PID: 9442 Comm: syz.1.812 Not tainted syzkaller #0 PREEMPT(full)
[ 446.178307][ T9442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 446.178318][ T9442] Call Trace:
[ 446.178326][ T9442]
[ 446.178334][ T9442] dump_stack_lvl+0x189/0x250
[ 446.178362][ T9442] ? __pfx_dump_stack_lvl+0x10/0x10
[ 446.178382][ T9442] ? __pfx__printk+0x10/0x10
[ 446.178410][ T9442] ? kernfs_path_from_node+0x250/0x290
[ 446.178426][ T9442] ? kernfs_path_from_node+0x2f/0x290
[ 446.178447][ T9442] sysfs_create_dir_ns+0x259/0x280
[ 446.178474][ T9442] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 446.178501][ T9442] ? do_raw_spin_unlock+0x122/0x240
[ 446.178526][ T9442] kobject_add_internal+0x59f/0xb40
[ 446.178557][ T9442] kobject_init_and_add+0x125/0x190
[ 446.178585][ T9442] ? __pfx_kobject_init_and_add+0x10/0x10
[ 446.178608][ T9442] ? __raw_spin_lock_init+0x45/0x100
[ 446.178629][ T9442] ? __init_swait_queue_head+0xa9/0x150
[ 446.178652][ T9442] gfs2_sys_fs_add+0x234/0x450
[ 446.178677][ T9442] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 446.178705][ T9442] ? is_dynamic_key+0xd6/0x1c0
[ 446.178732][ T9442] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 446.178767][ T9442] gfs2_fill_super+0x13c0/0x20d0
[ 446.178800][ T9442] ? __pfx_gfs2_fill_super+0x10/0x10
[ 446.178822][ T9442] ? sb_set_blocksize+0x104/0x180
[ 446.178846][ T9442] ? setup_bdev_super+0x4c1/0x5b0
[ 446.178868][ T9442] get_tree_bdev_flags+0x40e/0x4d0
[ 446.178888][ T9442] ? __pfx_gfs2_fill_super+0x10/0x10
[ 446.178905][ T9442] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 446.178922][ T9442] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 446.178955][ T9442] gfs2_get_tree+0x51/0x1e0
[ 446.178975][ T9442] vfs_get_tree+0x92/0x2b0
[ 446.178997][ T9442] do_new_mount+0x302/0x9e0
[ 446.179015][ T9442] ? apparmor_capable+0x137/0x1b0
[ 446.179045][ T9442] ? __pfx_do_new_mount+0x10/0x10
[ 446.179065][ T9442] ? ns_capable+0x8a/0xf0
[ 446.179092][ T9442] ? kmem_cache_free+0x19b/0x690
[ 446.179122][ T9442] __se_sys_mount+0x313/0x410
[ 446.179149][ T9442] ? __pfx___se_sys_mount+0x10/0x10
[ 446.179174][ T9442] ? do_syscall_64+0xbe/0xfa0
[ 446.179192][ T9442] ? __x64_sys_mount+0x20/0xc0
[ 446.179215][ T9442] do_syscall_64+0xfa/0xfa0
[ 446.179234][ T9442] ? lockdep_hardirqs_on+0x9c/0x150
[ 446.179253][ T9442] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 446.179271][ T9442] ? clear_bhb_loop+0x60/0xb0
[ 446.179292][ T9442] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 446.179308][ T9442] RIP: 0033:0x7fde43f9034a
[ 446.179324][ T9442] 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
[ 446.179340][ T9442] RSP: 002b:00007fde435fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 446.179359][ T9442] RAX: ffffffffffffffda RBX: 00007fde435fdef0 RCX: 00007fde43f9034a
[ 446.179372][ T9442] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007fde435fdeb0
[ 446.179385][ T9442] RBP: 0000200000000240 R08: 00007fde435fdef0 R09: 0000000001000800
[ 446.179397][ T9442] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 446.179409][ T9442] R13: 00007fde435fdeb0 R14: 0000000000012601 R15: 00002000000003c0
[ 446.179440][ T9442]
[ 446.179463][ T9442] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 446.371715][ T9445] loop2: detected capacity change from 0 to 32768
[ 446.375897][ T9442] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 447.006504][ T9445] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 447.015986][ T9445] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 447.030662][ T9445] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 447.041078][ T5995] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 447.068077][ T5995] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 447.475676][ T9460] loop1: detected capacity change from 0 to 32768
[ 447.829962][ T9462] loop3: detected capacity change from 0 to 32768
[ 447.867665][ T9460] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 447.875123][ T9460] CPU: 0 UID: 0 PID: 9460 Comm: syz.1.816 Not tainted syzkaller #0 PREEMPT(full)
[ 447.875146][ T9460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 447.875157][ T9460] Call Trace:
[ 447.875165][ T9460]
[ 447.875173][ T9460] dump_stack_lvl+0x189/0x250
[ 447.875200][ T9460] ? __pfx_dump_stack_lvl+0x10/0x10
[ 447.875220][ T9460] ? __pfx__printk+0x10/0x10
[ 447.875248][ T9460] ? kernfs_path_from_node+0x250/0x290
[ 447.875264][ T9460] ? kernfs_path_from_node+0x2f/0x290
[ 447.875285][ T9460] sysfs_create_dir_ns+0x259/0x280
[ 447.875313][ T9460] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 447.875340][ T9460] ? do_raw_spin_unlock+0x122/0x240
[ 447.875363][ T9460] kobject_add_internal+0x59f/0xb40
[ 447.875394][ T9460] kobject_init_and_add+0x125/0x190
[ 447.875423][ T9460] ? __pfx_kobject_init_and_add+0x10/0x10
[ 447.875446][ T9460] ? __raw_spin_lock_init+0x45/0x100
[ 447.875467][ T9460] ? __init_swait_queue_head+0xa9/0x150
[ 447.875491][ T9460] gfs2_sys_fs_add+0x234/0x450
[ 447.875516][ T9460] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 447.875544][ T9460] ? is_dynamic_key+0xd6/0x1c0
[ 447.875565][ T9460] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 447.875606][ T9460] gfs2_fill_super+0x13c0/0x20d0
[ 447.875639][ T9460] ? __pfx_gfs2_fill_super+0x10/0x10
[ 447.875661][ T9460] ? sb_set_blocksize+0x104/0x180
[ 447.875685][ T9460] ? setup_bdev_super+0x4c1/0x5b0
[ 447.875708][ T9460] get_tree_bdev_flags+0x40e/0x4d0
[ 447.875728][ T9460] ? __pfx_gfs2_fill_super+0x10/0x10
[ 447.875745][ T9460] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 447.875762][ T9460] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 447.875795][ T9460] gfs2_get_tree+0x51/0x1e0
[ 447.875816][ T9460] vfs_get_tree+0x92/0x2b0
[ 447.875837][ T9460] do_new_mount+0x302/0x9e0
[ 447.875856][ T9460] ? apparmor_capable+0x137/0x1b0
[ 447.875886][ T9460] ? __pfx_do_new_mount+0x10/0x10
[ 447.875906][ T9460] ? ns_capable+0x8a/0xf0
[ 447.875933][ T9460] ? kmem_cache_free+0x19b/0x690
[ 447.875958][ T9460] __se_sys_mount+0x313/0x410
[ 447.875984][ T9460] ? __pfx___se_sys_mount+0x10/0x10
[ 447.876009][ T9460] ? do_syscall_64+0xbe/0xfa0
[ 447.876028][ T9460] ? __x64_sys_mount+0x20/0xc0
[ 447.876051][ T9460] do_syscall_64+0xfa/0xfa0
[ 447.876069][ T9460] ? lockdep_hardirqs_on+0x9c/0x150
[ 447.876090][ T9460] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 447.876107][ T9460] ? clear_bhb_loop+0x60/0xb0
[ 447.876128][ T9460] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 447.876145][ T9460] RIP: 0033:0x7fde43f9034a
[ 447.876162][ T9460] 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
[ 447.876178][ T9460] RSP: 002b:00007fde435fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 447.876196][ T9460] RAX: ffffffffffffffda RBX: 00007fde435fdef0 RCX: 00007fde43f9034a
[ 447.876209][ T9460] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007fde435fdeb0
[ 447.876222][ T9460] RBP: 0000200000000240 R08: 00007fde435fdef0 R09: 0000000001000800
[ 447.876234][ T9460] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 447.876246][ T9460] R13: 00007fde435fdeb0 R14: 0000000000012601 R15: 00002000000003c0
[ 447.876276][ T9460]
[ 447.876301][ T9460] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 448.068027][ T9462] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 448.069969][ T9460] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 448.074608][ T9462] CPU: 1 UID: 0 PID: 9462 Comm: syz.3.818 Not tainted syzkaller #0 PREEMPT(full)
[ 448.074628][ T9462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 448.074639][ T9462] Call Trace:
[ 448.074647][ T9462]
[ 448.074654][ T9462] dump_stack_lvl+0x189/0x250
[ 448.074681][ T9462] ? __pfx_dump_stack_lvl+0x10/0x10
[ 448.074699][ T9462] ? __pfx__printk+0x10/0x10
[ 448.074725][ T9462] ? kernfs_path_from_node+0x250/0x290
[ 448.074740][ T9462] ? kernfs_path_from_node+0x2f/0x290
[ 448.074760][ T9462] sysfs_create_dir_ns+0x259/0x280
[ 448.074786][ T9462] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 448.074817][ T9462] ? do_raw_spin_unlock+0x122/0x240
[ 448.074841][ T9462] kobject_add_internal+0x59f/0xb40
[ 448.074870][ T9462] kobject_init_and_add+0x125/0x190
[ 448.074897][ T9462] ? __pfx_kobject_init_and_add+0x10/0x10
[ 448.074919][ T9462] ? __raw_spin_lock_init+0x45/0x100
[ 448.074939][ T9462] ? __init_swait_queue_head+0xa9/0x150
[ 448.074961][ T9462] gfs2_sys_fs_add+0x234/0x450
[ 448.074984][ T9462] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 448.075010][ T9462] ? is_dynamic_key+0xd6/0x1c0
[ 448.075030][ T9462] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 448.075062][ T9462] gfs2_fill_super+0x13c0/0x20d0
[ 448.075094][ T9462] ? __pfx_gfs2_fill_super+0x10/0x10
[ 448.075114][ T9462] ? sb_set_blocksize+0x104/0x180
[ 448.075136][ T9462] ? setup_bdev_super+0x4c1/0x5b0
[ 448.075158][ T9462] get_tree_bdev_flags+0x40e/0x4d0
[ 448.075177][ T9462] ? __pfx_gfs2_fill_super+0x10/0x10
[ 448.075193][ T9462] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 448.075209][ T9462] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 448.075240][ T9462] gfs2_get_tree+0x51/0x1e0
[ 448.075259][ T9462] vfs_get_tree+0x92/0x2b0
[ 448.075279][ T9462] do_new_mount+0x302/0x9e0
[ 448.075297][ T9462] ? apparmor_capable+0x137/0x1b0
[ 448.075324][ T9462] ? __pfx_do_new_mount+0x10/0x10
[ 448.075344][ T9462] ? ns_capable+0x8a/0xf0
[ 448.075369][ T9462] ? kmem_cache_free+0x19b/0x690
[ 448.075398][ T9462] __se_sys_mount+0x313/0x410
[ 448.075423][ T9462] ? __pfx___se_sys_mount+0x10/0x10
[ 448.075447][ T9462] ? do_syscall_64+0xbe/0xfa0
[ 448.075464][ T9462] ? __x64_sys_mount+0x20/0xc0
[ 448.075486][ T9462] do_syscall_64+0xfa/0xfa0
[ 448.075503][ T9462] ? lockdep_hardirqs_on+0x9c/0x150
[ 448.075522][ T9462] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 448.075539][ T9462] ? clear_bhb_loop+0x60/0xb0
[ 448.075558][ T9462] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 448.075574][ T9462] RIP: 0033:0x7f57be39034a
[ 448.075590][ T9462] 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
[ 448.075604][ T9462] RSP: 002b:00007f57bd9fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 448.075622][ T9462] RAX: ffffffffffffffda RBX: 00007f57bd9fdef0 RCX: 00007f57be39034a
[ 448.075634][ T9462] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007f57bd9fdeb0
[ 448.075645][ T9462] RBP: 0000200000000240 R08: 00007f57bd9fdef0 R09: 0000000001000800
[ 448.075657][ T9462] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 448.075668][ T9462] R13: 00007f57bd9fdeb0 R14: 0000000000012601 R15: 00002000000003c0
[ 448.075696][ T9462]
[ 448.075720][ T9462] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 448.552914][ T9462] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 449.131879][ T9471] loop1: detected capacity change from 0 to 32768
[ 449.156966][ T9473] loop3: detected capacity change from 0 to 32768
[ 449.264278][ T9471] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 449.273658][ T9471] CPU: 0 UID: 0 PID: 9471 Comm: syz.1.822 Not tainted syzkaller #0 PREEMPT(full)
[ 449.273682][ T9471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 449.273694][ T9471] Call Trace:
[ 449.273701][ T9471]
[ 449.273709][ T9471] dump_stack_lvl+0x189/0x250
[ 449.273738][ T9471] ? __pfx_dump_stack_lvl+0x10/0x10
[ 449.273758][ T9471] ? __pfx__printk+0x10/0x10
[ 449.273786][ T9471] ? kernfs_path_from_node+0x250/0x290
[ 449.273801][ T9471] ? kernfs_path_from_node+0x2f/0x290
[ 449.273821][ T9471] sysfs_create_dir_ns+0x259/0x280
[ 449.273849][ T9471] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 449.273875][ T9471] ? do_raw_spin_unlock+0x122/0x240
[ 449.273899][ T9471] kobject_add_internal+0x59f/0xb40
[ 449.273931][ T9471] kobject_init_and_add+0x125/0x190
[ 449.273958][ T9471] ? __pfx_kobject_init_and_add+0x10/0x10
[ 449.273982][ T9471] ? __raw_spin_lock_init+0x45/0x100
[ 449.274003][ T9471] ? __init_swait_queue_head+0xa9/0x150
[ 449.274025][ T9471] gfs2_sys_fs_add+0x234/0x450
[ 449.274049][ T9471] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 449.274076][ T9471] ? is_dynamic_key+0xd6/0x1c0
[ 449.274098][ T9471] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 449.274131][ T9471] gfs2_fill_super+0x13c0/0x20d0
[ 449.274164][ T9471] ? __pfx_gfs2_fill_super+0x10/0x10
[ 449.274186][ T9471] ? sb_set_blocksize+0x104/0x180
[ 449.274209][ T9471] ? setup_bdev_super+0x4c1/0x5b0
[ 449.274232][ T9471] get_tree_bdev_flags+0x40e/0x4d0
[ 449.274251][ T9471] ? __pfx_gfs2_fill_super+0x10/0x10
[ 449.274268][ T9471] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 449.274284][ T9471] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 449.274317][ T9471] gfs2_get_tree+0x51/0x1e0
[ 449.274355][ T9471] vfs_get_tree+0x92/0x2b0
[ 449.274376][ T9471] do_new_mount+0x302/0x9e0
[ 449.274394][ T9471] ? apparmor_capable+0x137/0x1b0
[ 449.274423][ T9471] ? __pfx_do_new_mount+0x10/0x10
[ 449.274443][ T9471] ? ns_capable+0x8a/0xf0
[ 449.274470][ T9471] ? kmem_cache_free+0x19b/0x690
[ 449.274500][ T9471] __se_sys_mount+0x313/0x410
[ 449.274527][ T9471] ? __pfx___se_sys_mount+0x10/0x10
[ 449.274551][ T9471] ? do_syscall_64+0xbe/0xfa0
[ 449.274570][ T9471] ? __x64_sys_mount+0x20/0xc0
[ 449.274593][ T9471] do_syscall_64+0xfa/0xfa0
[ 449.274611][ T9471] ? lockdep_hardirqs_on+0x9c/0x150
[ 449.274632][ T9471] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 449.274648][ T9471] ? clear_bhb_loop+0x60/0xb0
[ 449.274675][ T9471] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 449.274692][ T9471] RIP: 0033:0x7fde43f9034a
[ 449.274708][ T9471] 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
[ 449.274723][ T9471] RSP: 002b:00007fde435fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 449.274742][ T9471] RAX: ffffffffffffffda RBX: 00007fde435fdef0 RCX: 00007fde43f9034a
[ 449.274755][ T9471] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007fde435fdeb0
[ 449.274767][ T9471] RBP: 0000200000000240 R08: 00007fde435fdef0 R09: 0000000001000800
[ 449.274778][ T9471] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 449.274790][ T9471] R13: 00007fde435fdeb0 R14: 0000000000012601 R15: 00002000000003c0
[ 449.274820][ T9471]
[ 449.274844][ T9471] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 449.530368][ T5995] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 2462ms
[ 449.539269][ T9471] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 449.623252][ T9474] loop0: detected capacity change from 0 to 32768
[ 449.633904][ T9473] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 449.641411][ T9473] CPU: 0 UID: 0 PID: 9473 Comm: syz.3.823 Not tainted syzkaller #0 PREEMPT(full)
[ 449.641434][ T9473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 449.641444][ T9473] Call Trace:
[ 449.641451][ T9473]
[ 449.641459][ T9473] dump_stack_lvl+0x189/0x250
[ 449.641486][ T9473] ? __pfx_dump_stack_lvl+0x10/0x10
[ 449.641504][ T9473] ? __pfx__printk+0x10/0x10
[ 449.641529][ T9473] ? kernfs_path_from_node+0x250/0x290
[ 449.641544][ T9473] ? kernfs_path_from_node+0x2f/0x290
[ 449.641561][ T9473] sysfs_create_dir_ns+0x259/0x280
[ 449.641587][ T9473] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 449.641611][ T9473] ? do_raw_spin_unlock+0x122/0x240
[ 449.641634][ T9473] kobject_add_internal+0x59f/0xb40
[ 449.641663][ T9473] kobject_init_and_add+0x125/0x190
[ 449.641696][ T9473] ? __pfx_kobject_init_and_add+0x10/0x10
[ 449.641722][ T9473] ? __raw_spin_lock_init+0x45/0x100
[ 449.641739][ T9473] ? __init_swait_queue_head+0xa9/0x150
[ 449.641758][ T9473] gfs2_sys_fs_add+0x234/0x450
[ 449.641778][ T9473] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 449.641800][ T9473] ? is_dynamic_key+0xd6/0x1c0
[ 449.641817][ T9473] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 449.641846][ T9473] gfs2_fill_super+0x13c0/0x20d0
[ 449.641874][ T9473] ? __pfx_gfs2_fill_super+0x10/0x10
[ 449.641893][ T9473] ? sb_set_blocksize+0x104/0x180
[ 449.641914][ T9473] ? setup_bdev_super+0x4c1/0x5b0
[ 449.641934][ T9473] get_tree_bdev_flags+0x40e/0x4d0
[ 449.641951][ T9473] ? __pfx_gfs2_fill_super+0x10/0x10
[ 449.641966][ T9473] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 449.641981][ T9473] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 449.642012][ T9473] gfs2_get_tree+0x51/0x1e0
[ 449.642032][ T9473] vfs_get_tree+0x92/0x2b0
[ 449.642053][ T9473] do_new_mount+0x302/0x9e0
[ 449.642072][ T9473] ? apparmor_capable+0x137/0x1b0
[ 449.642101][ T9473] ? __pfx_do_new_mount+0x10/0x10
[ 449.642127][ T9473] ? ns_capable+0x8a/0xf0
[ 449.642154][ T9473] ? kmem_cache_free+0x19b/0x690
[ 449.642184][ T9473] __se_sys_mount+0x313/0x410
[ 449.642210][ T9473] ? __pfx___se_sys_mount+0x10/0x10
[ 449.642235][ T9473] ? do_syscall_64+0xbe/0xfa0
[ 449.642252][ T9473] ? __x64_sys_mount+0x20/0xc0
[ 449.642271][ T9473] do_syscall_64+0xfa/0xfa0
[ 449.642287][ T9473] ? lockdep_hardirqs_on+0x9c/0x150
[ 449.642315][ T9473] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 449.642331][ T9473] ? clear_bhb_loop+0x60/0xb0
[ 449.642351][ T9473] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 449.642364][ T9473] RIP: 0033:0x7f57be39034a
[ 449.642380][ T9473] 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
[ 449.642394][ T9473] RSP: 002b:00007f57bd9fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 449.642413][ T9473] RAX: ffffffffffffffda RBX: 00007f57bd9fdef0 RCX: 00007f57be39034a
[ 449.642426][ T9473] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007f57bd9fdeb0
[ 449.642438][ T9473] RBP: 0000200000000240 R08: 00007f57bd9fdef0 R09: 0000000001000800
[ 449.642450][ T9473] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 449.642462][ T9473] R13: 00007f57bd9fdeb0 R14: 0000000000012601 R15: 00002000000003c0
[ 449.642489][ T9473]
[ 449.642515][ T9473] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 449.974404][ T9473] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 450.035960][ T9474] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 450.043458][ T9474] CPU: 0 UID: 0 PID: 9474 Comm: syz.0.821 Not tainted syzkaller #0 PREEMPT(full)
[ 450.043481][ T9474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 450.043492][ T9474] Call Trace:
[ 450.043499][ T9474]
[ 450.043507][ T9474] dump_stack_lvl+0x189/0x250
[ 450.043535][ T9474] ? __pfx_dump_stack_lvl+0x10/0x10
[ 450.043554][ T9474] ? __pfx__printk+0x10/0x10
[ 450.043581][ T9474] ? kernfs_path_from_node+0x250/0x290
[ 450.043597][ T9474] ? kernfs_path_from_node+0x2f/0x290
[ 450.043617][ T9474] sysfs_create_dir_ns+0x259/0x280
[ 450.043644][ T9474] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 450.043670][ T9474] ? do_raw_spin_unlock+0x122/0x240
[ 450.043695][ T9474] kobject_add_internal+0x59f/0xb40
[ 450.043725][ T9474] kobject_init_and_add+0x125/0x190
[ 450.043752][ T9474] ? __pfx_kobject_init_and_add+0x10/0x10
[ 450.043774][ T9474] ? __raw_spin_lock_init+0x45/0x100
[ 450.043795][ T9474] ? __init_swait_queue_head+0xa9/0x150
[ 450.043817][ T9474] gfs2_sys_fs_add+0x234/0x450
[ 450.043841][ T9474] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 450.043868][ T9474] ? is_dynamic_key+0xd6/0x1c0
[ 450.043889][ T9474] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 450.043924][ T9474] gfs2_fill_super+0x13c0/0x20d0
[ 450.043956][ T9474] ? __pfx_gfs2_fill_super+0x10/0x10
[ 450.043978][ T9474] ? sb_set_blocksize+0x104/0x180
[ 450.044001][ T9474] ? setup_bdev_super+0x4c1/0x5b0
[ 450.044024][ T9474] get_tree_bdev_flags+0x40e/0x4d0
[ 450.044043][ T9474] ? __pfx_gfs2_fill_super+0x10/0x10
[ 450.044060][ T9474] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 450.044077][ T9474] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 450.044110][ T9474] gfs2_get_tree+0x51/0x1e0
[ 450.044129][ T9474] vfs_get_tree+0x92/0x2b0
[ 450.044151][ T9474] do_new_mount+0x302/0x9e0
[ 450.044170][ T9474] ? apparmor_capable+0x137/0x1b0
[ 450.044199][ T9474] ? __pfx_do_new_mount+0x10/0x10
[ 450.044219][ T9474] ? ns_capable+0x8a/0xf0
[ 450.044246][ T9474] ? kmem_cache_free+0x19b/0x690
[ 450.044276][ T9474] __se_sys_mount+0x313/0x410
[ 450.044308][ T9474] ? __pfx___se_sys_mount+0x10/0x10
[ 450.044333][ T9474] ? do_syscall_64+0xbe/0xfa0
[ 450.044351][ T9474] ? __x64_sys_mount+0x20/0xc0
[ 450.044373][ T9474] do_syscall_64+0xfa/0xfa0
[ 450.044391][ T9474] ? lockdep_hardirqs_on+0x9c/0x150
[ 450.044411][ T9474] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 450.044428][ T9474] ? clear_bhb_loop+0x60/0xb0
[ 450.044449][ T9474] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 450.044466][ T9474] RIP: 0033:0x7f516ed9034a
[ 450.044482][ T9474] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 450.044498][ T9474] RSP: 002b:00007f516fc34e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 450.044517][ T9474] RAX: ffffffffffffffda RBX: 00007f516fc34ef0 RCX: 00007f516ed9034a
[ 450.044530][ T9474] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007f516fc34eb0
[ 450.044541][ T9474] RBP: 0000200000000240 R08: 00007f516fc34ef0 R09: 0000000001000800
[ 450.044551][ T9474] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 450.044559][ T9474] R13: 00007f516fc34eb0 R14: 0000000000012601 R15: 00002000000003c0
[ 450.044588][ T9474]
[ 450.044612][ T9474] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 450.060122][ T9480] loop4: detected capacity change from 0 to 32768
[ 450.064280][ T9474] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 450.069562][ T5995] gfs2: fsid=syz:syz.0: jid=0: Done
[ 450.443124][ T9480] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 450.450675][ T9480] CPU: 0 UID: 0 PID: 9480 Comm: syz.4.824 Not tainted syzkaller #0 PREEMPT(full)
[ 450.450700][ T9480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 450.450711][ T9480] Call Trace:
[ 450.450718][ T9480]
[ 450.450726][ T9480] dump_stack_lvl+0x189/0x250
[ 450.450754][ T9480] ? __pfx_dump_stack_lvl+0x10/0x10
[ 450.450773][ T9480] ? __pfx__printk+0x10/0x10
[ 450.450802][ T9480] ? kernfs_path_from_node+0x250/0x290
[ 450.450818][ T9480] ? kernfs_path_from_node+0x2f/0x290
[ 450.450838][ T9480] sysfs_create_dir_ns+0x259/0x280
[ 450.450866][ T9480] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 450.450893][ T9480] ? do_raw_spin_unlock+0x122/0x240
[ 450.450918][ T9480] kobject_add_internal+0x59f/0xb40
[ 450.450948][ T9480] kobject_init_and_add+0x125/0x190
[ 450.450976][ T9480] ? __pfx_kobject_init_and_add+0x10/0x10
[ 450.450998][ T9480] ? __raw_spin_lock_init+0x45/0x100
[ 450.451019][ T9480] ? __init_swait_queue_head+0xa9/0x150
[ 450.451043][ T9480] gfs2_sys_fs_add+0x234/0x450
[ 450.451068][ T9480] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 450.451096][ T9480] ? is_dynamic_key+0xd6/0x1c0
[ 450.451117][ T9480] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 450.451152][ T9480] gfs2_fill_super+0x13c0/0x20d0
[ 450.451185][ T9480] ? __pfx_gfs2_fill_super+0x10/0x10
[ 450.451207][ T9480] ? sb_set_blocksize+0x104/0x180
[ 450.451230][ T9480] ? setup_bdev_super+0x4c1/0x5b0
[ 450.451253][ T9480] get_tree_bdev_flags+0x40e/0x4d0
[ 450.451272][ T9480] ? __pfx_gfs2_fill_super+0x10/0x10
[ 450.451289][ T9480] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 450.451306][ T9480] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 450.451340][ T9480] gfs2_get_tree+0x51/0x1e0
[ 450.451360][ T9480] vfs_get_tree+0x92/0x2b0
[ 450.451382][ T9480] do_new_mount+0x302/0x9e0
[ 450.451400][ T9480] ? apparmor_capable+0x137/0x1b0
[ 450.451430][ T9480] ? __pfx_do_new_mount+0x10/0x10
[ 450.451450][ T9480] ? ns_capable+0x8a/0xf0
[ 450.451493][ T9480] ? kmem_cache_free+0x19b/0x690
[ 450.451523][ T9480] __se_sys_mount+0x313/0x410
[ 450.451550][ T9480] ? __pfx___se_sys_mount+0x10/0x10
[ 450.451575][ T9480] ? do_syscall_64+0xbe/0xfa0
[ 450.451594][ T9480] ? __x64_sys_mount+0x20/0xc0
[ 450.451617][ T9480] do_syscall_64+0xfa/0xfa0
[ 450.451636][ T9480] ? lockdep_hardirqs_on+0x9c/0x150
[ 450.451656][ T9480] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 450.451673][ T9480] ? clear_bhb_loop+0x60/0xb0
[ 450.451695][ T9480] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 450.451712][ T9480] RIP: 0033:0x7f3b5339034a
[ 450.451728][ T9480] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 450.451744][ T9480] RSP: 002b:00007f3b5428ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 450.451763][ T9480] RAX: ffffffffffffffda RBX: 00007f3b5428cef0 RCX: 00007f3b5339034a
[ 450.451776][ T9480] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007f3b5428ceb0
[ 450.451788][ T9480] RBP: 0000200000000240 R08: 00007f3b5428cef0 R09: 0000000001000800
[ 450.451801][ T9480] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 450.451813][ T9480] R13: 00007f3b5428ceb0 R14: 0000000000012601 R15: 00002000000003c0
[ 450.451843][ T9480]
[ 450.451868][ T9480] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 450.782830][ T9480] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/09/27 08:41:25 executed programs: 818
[ 451.320489][ T9488] loop1: detected capacity change from 0 to 32768
[ 451.487483][ T9445] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 451.884111][ T9494] loop4: detected capacity change from 0 to 32768
[ 451.951013][ T9445] gfs2: fsid=syz:syz.0: can't create logd thread: -4
[ 451.957969][ T9488] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 451.957991][ T9488] CPU: 0 UID: 0 PID: 9488 Comm: syz.1.825 Not tainted syzkaller #0 PREEMPT(full)
[ 451.958011][ T9488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 451.958021][ T9488] Call Trace:
[ 451.958029][ T9488]
[ 451.958036][ T9488] dump_stack_lvl+0x189/0x250
[ 451.958063][ T9488] ? __pfx_dump_stack_lvl+0x10/0x10
[ 451.958082][ T9488] ? __pfx__printk+0x10/0x10
[ 451.958110][ T9488] ? kernfs_path_from_node+0x250/0x290
[ 451.958125][ T9488] ? kernfs_path_from_node+0x2f/0x290
[ 451.958145][ T9488] sysfs_create_dir_ns+0x259/0x280
[ 451.958172][ T9488] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 451.958203][ T9488] ? do_raw_spin_unlock+0x122/0x240
[ 451.958226][ T9488] kobject_add_internal+0x59f/0xb40
[ 451.958256][ T9488] kobject_init_and_add+0x125/0x190
[ 451.958282][ T9488] ? __pfx_kobject_init_and_add+0x10/0x10
[ 451.958304][ T9488] ? __raw_spin_lock_init+0x45/0x100
[ 451.958322][ T9488] ? __init_swait_queue_head+0xa9/0x150
[ 451.958344][ T9488] gfs2_sys_fs_add+0x234/0x450
[ 451.958368][ T9488] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 451.958394][ T9488] ? is_dynamic_key+0xd6/0x1c0
[ 451.958414][ T9488] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 451.958445][ T9488] gfs2_fill_super+0x13c0/0x20d0
[ 451.958478][ T9488] ? __pfx_gfs2_fill_super+0x10/0x10
[ 451.958498][ T9488] ? sb_set_blocksize+0x104/0x180
[ 451.958520][ T9488] ? setup_bdev_super+0x4c1/0x5b0
[ 451.958542][ T9488] get_tree_bdev_flags+0x40e/0x4d0
[ 451.958561][ T9488] ? __pfx_gfs2_fill_super+0x10/0x10
[ 451.958577][ T9488] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 451.958593][ T9488] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 451.958625][ T9488] gfs2_get_tree+0x51/0x1e0
[ 451.958643][ T9488] vfs_get_tree+0x92/0x2b0
[ 451.958664][ T9488] do_new_mount+0x302/0x9e0
[ 451.958681][ T9488] ? apparmor_capable+0x137/0x1b0
[ 451.958709][ T9488] ? __pfx_do_new_mount+0x10/0x10
[ 451.958728][ T9488] ? ns_capable+0x8a/0xf0
[ 451.958752][ T9488] ? kmem_cache_free+0x19b/0x690
[ 451.958781][ T9488] __se_sys_mount+0x313/0x410
[ 451.958806][ T9488] ? __pfx___se_sys_mount+0x10/0x10
[ 451.958829][ T9488] ? do_syscall_64+0xbe/0xfa0
[ 451.958847][ T9488] ? __x64_sys_mount+0x20/0xc0
[ 451.958869][ T9488] do_syscall_64+0xfa/0xfa0
[ 451.958886][ T9488] ? lockdep_hardirqs_on+0x9c/0x150
[ 451.958905][ T9488] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 451.958921][ T9488] ? clear_bhb_loop+0x60/0xb0
[ 451.958941][ T9488] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 451.958958][ T9488] RIP: 0033:0x7fde43f9034a
[ 451.958973][ T9488] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 451.958988][ T9488] RSP: 002b:00007fde435fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 451.959005][ T9488] RAX: ffffffffffffffda RBX: 00007fde435fdef0 RCX: 00007fde43f9034a
[ 451.959018][ T9488] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007fde435fdeb0
[ 451.959030][ T9488] RBP: 0000200000000240 R08: 00007fde435fdef0 R09: 0000000001000800
[ 451.959041][ T9488] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 451.959052][ T9488] R13: 00007fde435fdeb0 R14: 0000000000012601 R15: 00002000000003c0
[ 451.959080][ T9488]
[ 451.959103][ T9488] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 452.296179][ T9488] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 452.393964][ T9494] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 452.397404][ T9498] loop0: detected capacity change from 0 to 32768
[ 452.401495][ T9494] CPU: 0 UID: 0 PID: 9494 Comm: syz.4.828 Not tainted syzkaller #0 PREEMPT(full)
[ 452.401516][ T9494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 452.401526][ T9494] Call Trace:
[ 452.401534][ T9494]
[ 452.401542][ T9494] dump_stack_lvl+0x189/0x250
[ 452.401568][ T9494] ? __pfx_dump_stack_lvl+0x10/0x10
[ 452.401587][ T9494] ? __pfx__printk+0x10/0x10
[ 452.401614][ T9494] ? kernfs_path_from_node+0x250/0x290
[ 452.401629][ T9494] ? kernfs_path_from_node+0x2f/0x290
[ 452.401648][ T9494] sysfs_create_dir_ns+0x259/0x280
[ 452.401674][ T9494] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 452.401699][ T9494] ? do_raw_spin_unlock+0x122/0x240
[ 452.401723][ T9494] kobject_add_internal+0x59f/0xb40
[ 452.401752][ T9494] kobject_init_and_add+0x125/0x190
[ 452.401778][ T9494] ? __pfx_kobject_init_and_add+0x10/0x10
[ 452.401800][ T9494] ? __raw_spin_lock_init+0x45/0x100
[ 452.401820][ T9494] ? __init_swait_queue_head+0xa9/0x150
[ 452.401842][ T9494] gfs2_sys_fs_add+0x234/0x450
[ 452.401865][ T9494] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 452.401891][ T9494] ? is_dynamic_key+0xd6/0x1c0
[ 452.401911][ T9494] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 452.401944][ T9494] gfs2_fill_super+0x13c0/0x20d0
[ 452.401975][ T9494] ? __pfx_gfs2_fill_super+0x10/0x10
[ 452.401996][ T9494] ? sb_set_blocksize+0x104/0x180
[ 452.402019][ T9494] ? setup_bdev_super+0x4c1/0x5b0
[ 452.402040][ T9494] get_tree_bdev_flags+0x40e/0x4d0
[ 452.402058][ T9494] ? __pfx_gfs2_fill_super+0x10/0x10
[ 452.402074][ T9494] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 452.402091][ T9494] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 452.402122][ T9494] gfs2_get_tree+0x51/0x1e0
[ 452.402147][ T9494] vfs_get_tree+0x92/0x2b0
[ 452.402168][ T9494] do_new_mount+0x302/0x9e0
[ 452.402185][ T9494] ? apparmor_capable+0x137/0x1b0
[ 452.402213][ T9494] ? __pfx_do_new_mount+0x10/0x10
[ 452.402232][ T9494] ? ns_capable+0x8a/0xf0
[ 452.402258][ T9494] ? kmem_cache_free+0x19b/0x690
[ 452.402287][ T9494] __se_sys_mount+0x313/0x410
[ 452.402313][ T9494] ? __pfx___se_sys_mount+0x10/0x10
[ 452.402336][ T9494] ? do_syscall_64+0xbe/0xfa0
[ 452.402354][ T9494] ? __x64_sys_mount+0x20/0xc0
[ 452.402376][ T9494] do_syscall_64+0xfa/0xfa0
[ 452.402393][ T9494] ? lockdep_hardirqs_on+0x9c/0x150
[ 452.402412][ T9494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 452.402428][ T9494] ? clear_bhb_loop+0x60/0xb0
[ 452.402448][ T9494] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 452.402464][ T9494] RIP: 0033:0x7f3b5339034a
[ 452.402479][ T9494] 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
[ 452.402495][ T9494] RSP: 002b:00007f3b5428ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 452.402513][ T9494] RAX: ffffffffffffffda RBX: 00007f3b5428cef0 RCX: 00007f3b5339034a
[ 452.402525][ T9494] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007f3b5428ceb0
[ 452.402537][ T9494] RBP: 0000200000000240 R08: 00007f3b5428cef0 R09: 0000000001000800
[ 452.402549][ T9494] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 452.402560][ T9494] R13: 00007f3b5428ceb0 R14: 0000000000012601 R15: 00002000000003c0
[ 452.402589][ T9494]
[ 452.402613][ T9494] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 452.452509][ T9498] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 452.457310][ T9494] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 452.759370][ T9498] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 453.081434][ T9503] loop2: detected capacity change from 0 to 32768
[ 453.181658][ T9505] loop3: detected capacity change from 0 to 32768
[ 453.455821][ T9507] loop1: detected capacity change from 0 to 32768
[ 453.514753][ T9498] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 453.524393][ T5971] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 453.542522][ T9503] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 453.549990][ T9503] CPU: 0 UID: 0 PID: 9503 Comm: syz.2.831 Not tainted syzkaller #0 PREEMPT(full)
[ 453.550012][ T9503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 453.550023][ T9503] Call Trace:
[ 453.550031][ T9503]
[ 453.550039][ T9503] dump_stack_lvl+0x189/0x250
[ 453.550068][ T9503] ? __pfx_dump_stack_lvl+0x10/0x10
[ 453.550087][ T9503] ? __pfx__printk+0x10/0x10
[ 453.550114][ T9503] ? kernfs_path_from_node+0x250/0x290
[ 453.550130][ T9503] ? kernfs_path_from_node+0x2f/0x290
[ 453.550150][ T9503] sysfs_create_dir_ns+0x259/0x280
[ 453.550178][ T9503] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 453.550210][ T9503] ? do_raw_spin_unlock+0x122/0x240
[ 453.550235][ T9503] kobject_add_internal+0x59f/0xb40
[ 453.550266][ T9503] kobject_init_and_add+0x125/0x190
[ 453.550293][ T9503] ? __pfx_kobject_init_and_add+0x10/0x10
[ 453.550317][ T9503] ? __raw_spin_lock_init+0x45/0x100
[ 453.550338][ T9503] ? __init_swait_queue_head+0xa9/0x150
[ 453.550361][ T9503] gfs2_sys_fs_add+0x234/0x450
[ 453.550385][ T9503] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 453.550412][ T9503] ? is_dynamic_key+0xd6/0x1c0
[ 453.550434][ T9503] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 453.550468][ T9503] gfs2_fill_super+0x13c0/0x20d0
[ 453.550501][ T9503] ? __pfx_gfs2_fill_super+0x10/0x10
[ 453.550523][ T9503] ? sb_set_blocksize+0x104/0x180
[ 453.550547][ T9503] ? setup_bdev_super+0x4c1/0x5b0
[ 453.550570][ T9503] get_tree_bdev_flags+0x40e/0x4d0
[ 453.550589][ T9503] ? __pfx_gfs2_fill_super+0x10/0x10
[ 453.550606][ T9503] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 453.550622][ T9503] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 453.550656][ T9503] gfs2_get_tree+0x51/0x1e0
[ 453.550675][ T9503] vfs_get_tree+0x92/0x2b0
[ 453.550697][ T9503] do_new_mount+0x302/0x9e0
[ 453.550715][ T9503] ? apparmor_capable+0x137/0x1b0
[ 453.550744][ T9503] ? __pfx_do_new_mount+0x10/0x10
[ 453.550764][ T9503] ? ns_capable+0x8a/0xf0
[ 453.550790][ T9503] ? kmem_cache_free+0x19b/0x690
[ 453.550820][ T9503] __se_sys_mount+0x313/0x410
[ 453.550847][ T9503] ? __pfx___se_sys_mount+0x10/0x10
[ 453.550871][ T9503] ? do_syscall_64+0xbe/0xfa0
[ 453.550890][ T9503] ? __x64_sys_mount+0x20/0xc0
[ 453.550912][ T9503] do_syscall_64+0xfa/0xfa0
[ 453.550931][ T9503] ? lockdep_hardirqs_on+0x9c/0x150
[ 453.550950][ T9503] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 453.550968][ T9503] ? clear_bhb_loop+0x60/0xb0
[ 453.550988][ T9503] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 453.551005][ T9503] RIP: 0033:0x7f7d5619034a
[ 453.551022][ T9503] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 453.551037][ T9503] RSP: 002b:00007f7d56fd3e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 453.551056][ T9503] RAX: ffffffffffffffda RBX: 00007f7d56fd3ef0 RCX: 00007f7d5619034a
[ 453.551069][ T9503] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007f7d56fd3eb0
[ 453.551082][ T9503] RBP: 0000200000000240 R08: 00007f7d56fd3ef0 R09: 0000000001000800
[ 453.551094][ T9503] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 453.551105][ T9503] R13: 00007f7d56fd3eb0 R14: 0000000000012601 R15: 00002000000003c0
[ 453.551135][ T9503]
[ 453.551159][ T9503] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 453.739029][ T9507] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 453.739052][ T9507] CPU: 1 UID: 0 PID: 9507 Comm: syz.1.832 Not tainted syzkaller #0 PREEMPT(full)
[ 453.739070][ T9507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 453.739080][ T9507] Call Trace:
[ 453.739087][ T9507]
[ 453.739095][ T9507] dump_stack_lvl+0x189/0x250
[ 453.739121][ T9507] ? __pfx_dump_stack_lvl+0x10/0x10
[ 453.739141][ T9507] ? __pfx__printk+0x10/0x10
[ 453.739175][ T9507] ? kernfs_path_from_node+0x250/0x290
[ 453.739190][ T9507] ? kernfs_path_from_node+0x2f/0x290
[ 453.739209][ T9507] sysfs_create_dir_ns+0x259/0x280
[ 453.739235][ T9507] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 453.739259][ T9507] ? do_raw_spin_unlock+0x122/0x240
[ 453.739283][ T9507] kobject_add_internal+0x59f/0xb40
[ 453.739313][ T9507] kobject_init_and_add+0x125/0x190
[ 453.739339][ T9507] ? __pfx_kobject_init_and_add+0x10/0x10
[ 453.739361][ T9507] ? __raw_spin_lock_init+0x45/0x100
[ 453.739381][ T9507] ? __init_swait_queue_head+0xa9/0x150
[ 453.739403][ T9507] gfs2_sys_fs_add+0x234/0x450
[ 453.739426][ T9507] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 453.739452][ T9507] ? is_dynamic_key+0xd6/0x1c0
[ 453.739472][ T9507] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 453.739505][ T9507] gfs2_fill_super+0x13c0/0x20d0
[ 453.739535][ T9507] ? __pfx_gfs2_fill_super+0x10/0x10
[ 453.739555][ T9507] ? sb_set_blocksize+0x104/0x180
[ 453.739578][ T9507] ? setup_bdev_super+0x4c1/0x5b0
[ 453.739599][ T9507] get_tree_bdev_flags+0x40e/0x4d0
[ 453.739617][ T9507] ? __pfx_gfs2_fill_super+0x10/0x10
[ 453.739633][ T9507] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 453.739650][ T9507] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 453.739680][ T9507] gfs2_get_tree+0x51/0x1e0
[ 453.739699][ T9507] vfs_get_tree+0x92/0x2b0
[ 453.739719][ T9507] do_new_mount+0x302/0x9e0
[ 453.739737][ T9507] ? apparmor_capable+0x137/0x1b0
[ 453.739764][ T9507] ? __pfx_do_new_mount+0x10/0x10
[ 453.739784][ T9507] ? ns_capable+0x8a/0xf0
[ 453.739809][ T9507] ? kmem_cache_free+0x19b/0x690
[ 453.739838][ T9507] __se_sys_mount+0x313/0x410
[ 453.739863][ T9507] ? __pfx___se_sys_mount+0x10/0x10
[ 453.739886][ T9507] ? do_syscall_64+0xbe/0xfa0
[ 453.739904][ T9507] ? __x64_sys_mount+0x20/0xc0
[ 453.739924][ T9507] do_syscall_64+0xfa/0xfa0
[ 453.739938][ T9507] ? lockdep_hardirqs_on+0x9c/0x150
[ 453.739953][ T9507] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 453.739967][ T9507] ? clear_bhb_loop+0x60/0xb0
[ 453.739984][ T9507] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 453.739997][ T9507] RIP: 0033:0x7fde43f9034a
[ 453.740014][ T9507] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 453.740028][ T9507] RSP: 002b:00007fde435fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 453.740046][ T9507] RAX: ffffffffffffffda RBX: 00007fde435fdef0 RCX: 00007fde43f9034a
[ 453.740059][ T9507] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007fde435fdeb0
[ 453.740070][ T9507] RBP: 0000200000000240 R08: 00007fde435fdef0 R09: 0000000001000800
[ 453.740082][ T9507] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 453.740093][ T9507] R13: 00007fde435fdeb0 R14: 0000000000012601 R15: 00002000000003c0
[ 453.740121][ T9507]
[ 453.740145][ T9507] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 453.743367][ T9503] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 453.748387][ T9507] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 453.771585][ T9505] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 453.771607][ T9505] CPU: 1 UID: 0 PID: 9505 Comm: syz.3.830 Not tainted syzkaller #0 PREEMPT(full)
[ 453.771626][ T9505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 453.771636][ T9505] Call Trace:
[ 453.771643][ T9505]
[ 453.771651][ T9505] dump_stack_lvl+0x189/0x250
[ 453.771677][ T9505] ? __pfx_dump_stack_lvl+0x10/0x10
[ 453.771697][ T9505] ? __pfx__printk+0x10/0x10
[ 453.771724][ T9505] ? kernfs_path_from_node+0x250/0x290
[ 453.771740][ T9505] ? kernfs_path_from_node+0x2f/0x290
[ 453.771760][ T9505] sysfs_create_dir_ns+0x259/0x280
[ 453.771788][ T9505] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 453.771814][ T9505] ? do_raw_spin_unlock+0x122/0x240
[ 453.771837][ T9505] kobject_add_internal+0x59f/0xb40
[ 453.771868][ T9505] kobject_init_and_add+0x125/0x190
[ 453.771895][ T9505] ? __pfx_kobject_init_and_add+0x10/0x10
[ 453.771918][ T9505] ? __raw_spin_lock_init+0x45/0x100
[ 453.771939][ T9505] ? __init_swait_queue_head+0xa9/0x150
[ 453.771968][ T9505] gfs2_sys_fs_add+0x234/0x450
[ 453.771992][ T9505] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 453.772019][ T9505] ? is_dynamic_key+0xd6/0x1c0
[ 453.772039][ T9505] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 453.772074][ T9505] gfs2_fill_super+0x13c0/0x20d0
[ 453.772107][ T9505] ? __pfx_gfs2_fill_super+0x10/0x10
[ 453.772128][ T9505] ? sb_set_blocksize+0x104/0x180
[ 453.772152][ T9505] ? setup_bdev_super+0x4c1/0x5b0
[ 453.772175][ T9505] get_tree_bdev_flags+0x40e/0x4d0
[ 453.772193][ T9505] ? __pfx_gfs2_fill_super+0x10/0x10
[ 453.772209][ T9505] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 453.772226][ T9505] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 453.772259][ T9505] gfs2_get_tree+0x51/0x1e0
[ 453.772279][ T9505] vfs_get_tree+0x92/0x2b0
[ 453.772300][ T9505] do_new_mount+0x302/0x9e0
[ 453.772319][ T9505] ? apparmor_capable+0x137/0x1b0
[ 453.772348][ T9505] ? __pfx_do_new_mount+0x10/0x10
[ 453.772368][ T9505] ? ns_capable+0x8a/0xf0
[ 453.772395][ T9505] ? kmem_cache_free+0x19b/0x690
[ 453.772425][ T9505] __se_sys_mount+0x313/0x410
[ 453.772451][ T9505] ? __pfx___se_sys_mount+0x10/0x10
[ 453.772476][ T9505] ? do_syscall_64+0xbe/0xfa0
[ 453.772494][ T9505] ? __x64_sys_mount+0x20/0xc0
[ 453.772517][ T9505] do_syscall_64+0xfa/0xfa0
[ 453.772535][ T9505] ? lockdep_hardirqs_on+0x9c/0x150
[ 453.772554][ T9505] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 453.772572][ T9505] ? clear_bhb_loop+0x60/0xb0
[ 453.772592][ T9505] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 453.772609][ T9505] RIP: 0033:0x7f57be39034a
[ 453.772625][ T9505] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 453.772641][ T9505] RSP: 002b:00007f57bd9fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 453.772660][ T9505] RAX: ffffffffffffffda RBX: 00007f57bd9fdef0 RCX: 00007f57be39034a
[ 453.772671][ T9505] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007f57bd9fdeb0
[ 453.772681][ T9505] RBP: 0000200000000240 R08: 00007f57bd9fdef0 R09: 0000000001000800
[ 453.772693][ T9505] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 453.772704][ T9505] R13: 00007f57bd9fdeb0 R14: 0000000000012601 R15: 00002000000003c0
[ 453.772733][ T9505]
[ 453.772755][ T9505] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 453.772770][ T9505] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 454.600949][ T5971] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 455.162819][ T9522] loop3: detected capacity change from 0 to 32768
[ 455.255609][ T9522] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 455.263137][ T9522] CPU: 0 UID: 0 PID: 9522 Comm: syz.3.836 Not tainted syzkaller #0 PREEMPT(full)
[ 455.263160][ T9522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 455.263171][ T9522] Call Trace:
[ 455.263179][ T9522]
[ 455.263186][ T9522] dump_stack_lvl+0x189/0x250
[ 455.263215][ T9522] ? __pfx_dump_stack_lvl+0x10/0x10
[ 455.263234][ T9522] ? __pfx__printk+0x10/0x10
[ 455.263262][ T9522] ? kernfs_path_from_node+0x250/0x290
[ 455.263277][ T9522] ? kernfs_path_from_node+0x2f/0x290
[ 455.263297][ T9522] sysfs_create_dir_ns+0x259/0x280
[ 455.263324][ T9522] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 455.263351][ T9522] ? do_raw_spin_unlock+0x122/0x240
[ 455.263375][ T9522] kobject_add_internal+0x59f/0xb40
[ 455.263406][ T9522] kobject_init_and_add+0x125/0x190
[ 455.263433][ T9522] ? __pfx_kobject_init_and_add+0x10/0x10
[ 455.263456][ T9522] ? __raw_spin_lock_init+0x45/0x100
[ 455.263478][ T9522] ? __init_swait_queue_head+0xa9/0x150
[ 455.263501][ T9522] gfs2_sys_fs_add+0x234/0x450
[ 455.263524][ T9522] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 455.263551][ T9522] ? is_dynamic_key+0xd6/0x1c0
[ 455.263573][ T9522] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 455.263607][ T9522] gfs2_fill_super+0x13c0/0x20d0
[ 455.263641][ T9522] ? __pfx_gfs2_fill_super+0x10/0x10
[ 455.263662][ T9522] ? sb_set_blocksize+0x104/0x180
[ 455.263686][ T9522] ? setup_bdev_super+0x4c1/0x5b0
[ 455.263708][ T9522] get_tree_bdev_flags+0x40e/0x4d0
[ 455.263727][ T9522] ? __pfx_gfs2_fill_super+0x10/0x10
[ 455.263744][ T9522] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 455.263761][ T9522] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 455.263794][ T9522] gfs2_get_tree+0x51/0x1e0
[ 455.263813][ T9522] vfs_get_tree+0x92/0x2b0
[ 455.263834][ T9522] do_new_mount+0x302/0x9e0
[ 455.263852][ T9522] ? apparmor_capable+0x137/0x1b0
[ 455.263881][ T9522] ? __pfx_do_new_mount+0x10/0x10
[ 455.263902][ T9522] ? ns_capable+0x8a/0xf0
[ 455.263928][ T9522] ? kmem_cache_free+0x19b/0x690
[ 455.263958][ T9522] __se_sys_mount+0x313/0x410
[ 455.263983][ T9522] ? __pfx___se_sys_mount+0x10/0x10
[ 455.264009][ T9522] ? do_syscall_64+0xbe/0xfa0
[ 455.264027][ T9522] ? __x64_sys_mount+0x20/0xc0
[ 455.264049][ T9522] do_syscall_64+0xfa/0xfa0
[ 455.264074][ T9522] ? lockdep_hardirqs_on+0x9c/0x150
[ 455.264093][ T9522] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 455.264110][ T9522] ? clear_bhb_loop+0x60/0xb0
[ 455.264132][ T9522] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 455.264148][ T9522] RIP: 0033:0x7f57be39034a
[ 455.264165][ T9522] 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
[ 455.264181][ T9522] RSP: 002b:00007f57bd9fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 455.264200][ T9522] RAX: ffffffffffffffda RBX: 00007f57bd9fdef0 RCX: 00007f57be39034a
[ 455.264213][ T9522] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007f57bd9fdeb0
[ 455.264225][ T9522] RBP: 0000200000000240 R08: 00007f57bd9fdef0 R09: 0000000001000800
[ 455.264237][ T9522] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 455.264249][ T9522] R13: 00007f57bd9fdeb0 R14: 0000000000012601 R15: 00002000000003c0
[ 455.264279][ T9522]
[ 455.264305][ T9522] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 455.327246][ T9523] loop4: detected capacity change from 0 to 32768
[ 455.328353][ T9522] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 455.557735][ T9523] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 455.616801][ T9523] CPU: 1 UID: 0 PID: 9523 Comm: syz.4.837 Not tainted syzkaller #0 PREEMPT(full)
[ 455.616826][ T9523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 455.616838][ T9523] Call Trace:
[ 455.616846][ T9523]
[ 455.616853][ T9523] dump_stack_lvl+0x189/0x250
[ 455.616882][ T9523] ? __pfx_dump_stack_lvl+0x10/0x10
[ 455.616901][ T9523] ? __pfx__printk+0x10/0x10
[ 455.616930][ T9523] ? kernfs_path_from_node+0x250/0x290
[ 455.616946][ T9523] ? kernfs_path_from_node+0x2f/0x290
[ 455.616966][ T9523] sysfs_create_dir_ns+0x259/0x280
[ 455.617000][ T9523] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 455.617027][ T9523] ? do_raw_spin_unlock+0x122/0x240
[ 455.617052][ T9523] kobject_add_internal+0x59f/0xb40
[ 455.617083][ T9523] kobject_init_and_add+0x125/0x190
[ 455.617110][ T9523] ? __pfx_kobject_init_and_add+0x10/0x10
[ 455.617133][ T9523] ? __raw_spin_lock_init+0x45/0x100
[ 455.617155][ T9523] ? __init_swait_queue_head+0xa9/0x150
[ 455.617178][ T9523] gfs2_sys_fs_add+0x234/0x450
[ 455.617202][ T9523] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 455.617230][ T9523] ? is_dynamic_key+0xd6/0x1c0
[ 455.617252][ T9523] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 455.617286][ T9523] gfs2_fill_super+0x13c0/0x20d0
[ 455.617320][ T9523] ? __pfx_gfs2_fill_super+0x10/0x10
[ 455.617336][ T9523] ? sb_set_blocksize+0x104/0x180
[ 455.617361][ T9523] ? setup_bdev_super+0x4c1/0x5b0
[ 455.617382][ T9523] get_tree_bdev_flags+0x40e/0x4d0
[ 455.617399][ T9523] ? __pfx_gfs2_fill_super+0x10/0x10
[ 455.617413][ T9523] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 455.617427][ T9523] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 455.617456][ T9523] gfs2_get_tree+0x51/0x1e0
[ 455.617472][ T9523] vfs_get_tree+0x92/0x2b0
[ 455.617493][ T9523] do_new_mount+0x302/0x9e0
[ 455.617511][ T9523] ? apparmor_capable+0x137/0x1b0
[ 455.617537][ T9523] ? __pfx_do_new_mount+0x10/0x10
[ 455.617557][ T9523] ? ns_capable+0x8a/0xf0
[ 455.617585][ T9523] ? kmem_cache_free+0x19b/0x690
[ 455.617614][ T9523] __se_sys_mount+0x313/0x410
[ 455.617640][ T9523] ? __pfx___se_sys_mount+0x10/0x10
[ 455.617665][ T9523] ? do_syscall_64+0xbe/0xfa0
[ 455.617683][ T9523] ? __x64_sys_mount+0x20/0xc0
[ 455.617705][ T9523] do_syscall_64+0xfa/0xfa0
[ 455.617723][ T9523] ? lockdep_hardirqs_on+0x9c/0x150
[ 455.617742][ T9523] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 455.617759][ T9523] ? clear_bhb_loop+0x60/0xb0
[ 455.617780][ T9523] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 455.617796][ T9523] RIP: 0033:0x7f3b5339034a
[ 455.617814][ T9523] 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
[ 455.617829][ T9523] RSP: 002b:00007f3b5428ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 455.617847][ T9523] RAX: ffffffffffffffda RBX: 00007f3b5428cef0 RCX: 00007f3b5339034a
[ 455.617861][ T9523] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007f3b5428ceb0
[ 455.617873][ T9523] RBP: 0000200000000240 R08: 00007f3b5428cef0 R09: 0000000001000800
[ 455.617885][ T9523] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 455.617897][ T9523] R13: 00007f3b5428ceb0 R14: 0000000000012601 R15: 00002000000003c0
[ 455.617927][ T9523]
[ 455.929426][ T9523] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 455.943414][ T9523] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 455.967476][ T9528] loop2: detected capacity change from 0 to 32768
[ 456.083472][ T9528] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 456.091006][ T9528] CPU: 1 UID: 0 PID: 9528 Comm: syz.2.838 Not tainted syzkaller #0 PREEMPT(full)
[ 456.091029][ T9528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 456.091040][ T9528] Call Trace:
[ 456.091047][ T9528]
[ 456.091055][ T9528] dump_stack_lvl+0x189/0x250
[ 456.091082][ T9528] ? __pfx_dump_stack_lvl+0x10/0x10
[ 456.091100][ T9528] ? __pfx__printk+0x10/0x10
[ 456.091127][ T9528] ? kernfs_path_from_node+0x250/0x290
[ 456.091142][ T9528] ? kernfs_path_from_node+0x2f/0x290
[ 456.091160][ T9528] sysfs_create_dir_ns+0x259/0x280
[ 456.091186][ T9528] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 456.091212][ T9528] ? do_raw_spin_unlock+0x122/0x240
[ 456.091235][ T9528] kobject_add_internal+0x59f/0xb40
[ 456.091264][ T9528] kobject_init_and_add+0x125/0x190
[ 456.091291][ T9528] ? __pfx_kobject_init_and_add+0x10/0x10
[ 456.091312][ T9528] ? __raw_spin_lock_init+0x45/0x100
[ 456.091332][ T9528] ? __init_swait_queue_head+0xa9/0x150
[ 456.091355][ T9528] gfs2_sys_fs_add+0x234/0x450
[ 456.091378][ T9528] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 456.091404][ T9528] ? is_dynamic_key+0xd6/0x1c0
[ 456.091425][ T9528] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 456.091458][ T9528] gfs2_fill_super+0x13c0/0x20d0
[ 456.091489][ T9528] ? __pfx_gfs2_fill_super+0x10/0x10
[ 456.091510][ T9528] ? sb_set_blocksize+0x104/0x180
[ 456.091531][ T9528] ? setup_bdev_super+0x4c1/0x5b0
[ 456.091553][ T9528] get_tree_bdev_flags+0x40e/0x4d0
[ 456.091570][ T9528] ? __pfx_gfs2_fill_super+0x10/0x10
[ 456.091586][ T9528] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 456.091601][ T9528] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 456.091632][ T9528] gfs2_get_tree+0x51/0x1e0
[ 456.091650][ T9528] vfs_get_tree+0x92/0x2b0
[ 456.091671][ T9528] do_new_mount+0x302/0x9e0
[ 456.091688][ T9528] ? apparmor_capable+0x137/0x1b0
[ 456.091715][ T9528] ? __pfx_do_new_mount+0x10/0x10
[ 456.091734][ T9528] ? ns_capable+0x8a/0xf0
[ 456.091760][ T9528] ? kmem_cache_free+0x19b/0x690
[ 456.091789][ T9528] __se_sys_mount+0x313/0x410
[ 456.091813][ T9528] ? __pfx___se_sys_mount+0x10/0x10
[ 456.091836][ T9528] ? do_syscall_64+0xbe/0xfa0
[ 456.091853][ T9528] ? __x64_sys_mount+0x20/0xc0
[ 456.091875][ T9528] do_syscall_64+0xfa/0xfa0
[ 456.091892][ T9528] ? lockdep_hardirqs_on+0x9c/0x150
[ 456.091911][ T9528] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 456.091927][ T9528] ? clear_bhb_loop+0x60/0xb0
[ 456.091947][ T9528] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 456.091969][ T9528] RIP: 0033:0x7f7d5619034a
[ 456.091985][ T9528] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 456.092000][ T9528] RSP: 002b:00007f7d56fd3e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 456.092019][ T9528] RAX: ffffffffffffffda RBX: 00007f7d56fd3ef0 RCX: 00007f7d5619034a
[ 456.092032][ T9528] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007f7d56fd3eb0
[ 456.092044][ T9528] RBP: 0000200000000240 R08: 00007f7d56fd3ef0 R09: 0000000001000800
[ 456.092055][ T9528] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 456.092065][ T9528] R13: 00007f7d56fd3eb0 R14: 0000000000012601 R15: 00002000000003c0
[ 456.092094][ T9528]
[ 456.092117][ T9528] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
2025/09/27 08:41:30 executed programs: 833
[ 456.494764][ T9528] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 456.645798][ T5971] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 2044ms
[ 456.861917][ T9536] loop3: detected capacity change from 0 to 32768
[ 456.941612][ T9536] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 456.950386][ T9536] CPU: 1 UID: 0 PID: 9536 Comm: syz.3.841 Not tainted syzkaller #0 PREEMPT(full)
[ 456.950411][ T9536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 456.950423][ T9536] Call Trace:
[ 456.950430][ T9536]
[ 456.950439][ T9536] dump_stack_lvl+0x189/0x250
[ 456.950466][ T9536] ? __pfx_dump_stack_lvl+0x10/0x10
[ 456.950486][ T9536] ? __pfx__printk+0x10/0x10
[ 456.950514][ T9536] ? kernfs_path_from_node+0x250/0x290
[ 456.950529][ T9536] ? kernfs_path_from_node+0x2f/0x290
[ 456.950549][ T9536] sysfs_create_dir_ns+0x259/0x280
[ 456.950576][ T9536] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 456.950603][ T9536] ? do_raw_spin_unlock+0x122/0x240
[ 456.950627][ T9536] kobject_add_internal+0x59f/0xb40
[ 456.950657][ T9536] kobject_init_and_add+0x125/0x190
[ 456.950684][ T9536] ? __pfx_kobject_init_and_add+0x10/0x10
[ 456.950707][ T9536] ? __raw_spin_lock_init+0x45/0x100
[ 456.950729][ T9536] ? __init_swait_queue_head+0xa9/0x150
[ 456.950752][ T9536] gfs2_sys_fs_add+0x234/0x450
[ 456.950776][ T9536] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 456.950802][ T9536] ? is_dynamic_key+0xd6/0x1c0
[ 456.950824][ T9536] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 456.950859][ T9536] gfs2_fill_super+0x13c0/0x20d0
[ 456.950891][ T9536] ? __pfx_gfs2_fill_super+0x10/0x10
[ 456.950913][ T9536] ? sb_set_blocksize+0x104/0x180
[ 456.950942][ T9536] ? setup_bdev_super+0x4c1/0x5b0
[ 456.950965][ T9536] get_tree_bdev_flags+0x40e/0x4d0
[ 456.950989][ T9536] ? __pfx_gfs2_fill_super+0x10/0x10
[ 456.951006][ T9536] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 456.951023][ T9536] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 456.951056][ T9536] gfs2_get_tree+0x51/0x1e0
[ 456.951075][ T9536] vfs_get_tree+0x92/0x2b0
[ 456.951097][ T9536] do_new_mount+0x302/0x9e0
[ 456.951115][ T9536] ? apparmor_capable+0x137/0x1b0
[ 456.951145][ T9536] ? __pfx_do_new_mount+0x10/0x10
[ 456.951165][ T9536] ? ns_capable+0x8a/0xf0
[ 456.951192][ T9536] ? kmem_cache_free+0x19b/0x690
[ 456.951221][ T9536] __se_sys_mount+0x313/0x410
[ 456.951248][ T9536] ? __pfx___se_sys_mount+0x10/0x10
[ 456.951273][ T9536] ? do_syscall_64+0xbe/0xfa0
[ 456.951291][ T9536] ? __x64_sys_mount+0x20/0xc0
[ 456.951313][ T9536] do_syscall_64+0xfa/0xfa0
[ 456.951331][ T9536] ? lockdep_hardirqs_on+0x9c/0x150
[ 456.951351][ T9536] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 456.951368][ T9536] ? clear_bhb_loop+0x60/0xb0
[ 456.951389][ T9536] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 456.951406][ T9536] RIP: 0033:0x7f57be39034a
[ 456.951422][ T9536] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 456.951437][ T9536] RSP: 002b:00007f57bd9fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 456.951456][ T9536] RAX: ffffffffffffffda RBX: 00007f57bd9fdef0 RCX: 00007f57be39034a
[ 456.951469][ T9536] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007f57bd9fdeb0
[ 456.951481][ T9536] RBP: 0000200000000240 R08: 00007f57bd9fdef0 R09: 0000000001000800
[ 456.951494][ T9536] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 456.951506][ T9536] R13: 00007f57bd9fdeb0 R14: 0000000000012601 R15: 00002000000003c0
[ 456.951535][ T9536]
[ 456.951560][ T9536] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 457.049221][ T9537] loop4: detected capacity change from 0 to 32768
[ 457.053015][ T9536] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 457.078459][ T5971] gfs2: fsid=syz:syz.0: jid=0: Done
[ 457.307249][ T9537] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 457.314798][ T9537] CPU: 0 UID: 0 PID: 9537 Comm: syz.4.840 Not tainted syzkaller #0 PREEMPT(full)
[ 457.314822][ T9537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 457.314833][ T9537] Call Trace:
[ 457.314840][ T9537]
[ 457.314848][ T9537] dump_stack_lvl+0x189/0x250
[ 457.314876][ T9537] ? __pfx_dump_stack_lvl+0x10/0x10
[ 457.314895][ T9537] ? __pfx__printk+0x10/0x10
[ 457.314923][ T9537] ? kernfs_path_from_node+0x250/0x290
[ 457.314939][ T9537] ? kernfs_path_from_node+0x2f/0x290
[ 457.314957][ T9537] sysfs_create_dir_ns+0x259/0x280
[ 457.314984][ T9537] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 457.315010][ T9537] ? do_raw_spin_unlock+0x122/0x240
[ 457.315035][ T9537] kobject_add_internal+0x59f/0xb40
[ 457.315066][ T9537] kobject_init_and_add+0x125/0x190
[ 457.315093][ T9537] ? __pfx_kobject_init_and_add+0x10/0x10
[ 457.315116][ T9537] ? __raw_spin_lock_init+0x45/0x100
[ 457.315137][ T9537] ? __init_swait_queue_head+0xa9/0x150
[ 457.315160][ T9537] gfs2_sys_fs_add+0x234/0x450
[ 457.315184][ T9537] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 457.315211][ T9537] ? is_dynamic_key+0xd6/0x1c0
[ 457.315232][ T9537] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 457.315266][ T9537] gfs2_fill_super+0x13c0/0x20d0
[ 457.315298][ T9537] ? __pfx_gfs2_fill_super+0x10/0x10
[ 457.315320][ T9537] ? sb_set_blocksize+0x104/0x180
[ 457.315343][ T9537] ? setup_bdev_super+0x4c1/0x5b0
[ 457.315366][ T9537] get_tree_bdev_flags+0x40e/0x4d0
[ 457.315385][ T9537] ? __pfx_gfs2_fill_super+0x10/0x10
[ 457.315401][ T9537] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 457.315417][ T9537] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 457.315450][ T9537] gfs2_get_tree+0x51/0x1e0
[ 457.315470][ T9537] vfs_get_tree+0x92/0x2b0
[ 457.315492][ T9537] do_new_mount+0x302/0x9e0
[ 457.315511][ T9537] ? apparmor_capable+0x137/0x1b0
[ 457.315540][ T9537] ? __pfx_do_new_mount+0x10/0x10
[ 457.315560][ T9537] ? ns_capable+0x8a/0xf0
[ 457.315593][ T9537] ? kmem_cache_free+0x19b/0x690
[ 457.315623][ T9537] __se_sys_mount+0x313/0x410
[ 457.315650][ T9537] ? __pfx___se_sys_mount+0x10/0x10
[ 457.315675][ T9537] ? do_syscall_64+0xbe/0xfa0
[ 457.315694][ T9537] ? __x64_sys_mount+0x20/0xc0
[ 457.315717][ T9537] do_syscall_64+0xfa/0xfa0
[ 457.315735][ T9537] ? lockdep_hardirqs_on+0x9c/0x150
[ 457.315755][ T9537] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 457.315772][ T9537] ? clear_bhb_loop+0x60/0xb0
[ 457.315793][ T9537] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 457.315809][ T9537] RIP: 0033:0x7f3b5339034a
[ 457.315826][ T9537] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 457.315841][ T9537] RSP: 002b:00007f3b5428ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 457.315860][ T9537] RAX: ffffffffffffffda RBX: 00007f3b5428cef0 RCX: 00007f3b5339034a
[ 457.315874][ T9537] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007f3b5428ceb0
[ 457.315886][ T9537] RBP: 0000200000000240 R08: 00007f3b5428cef0 R09: 0000000001000800
[ 457.315897][ T9537] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 457.315909][ T9537] R13: 00007f3b5428ceb0 R14: 0000000000012601 R15: 00002000000003c0
[ 457.315939][ T9537]
[ 457.315964][ T9537] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 457.648731][ T9537] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 457.656311][ T9498] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 458.049605][ T9547] loop1: detected capacity change from 0 to 32768
[ 458.098311][ T9498] gfs2: fsid=syz:syz.0: can't create logd thread: -4
[ 458.219865][ T9549] loop2: detected capacity change from 0 to 32768
[ 458.519726][ T9545] loop3: detected capacity change from 0 to 32768
[ 458.598768][ T9547] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 458.606268][ T9547] CPU: 0 UID: 0 PID: 9547 Comm: syz.1.843 Not tainted syzkaller #0 PREEMPT(full)
[ 458.606292][ T9547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 458.606303][ T9547] Call Trace:
[ 458.606311][ T9547]
[ 458.606320][ T9547] dump_stack_lvl+0x189/0x250
[ 458.606347][ T9547] ? __pfx_dump_stack_lvl+0x10/0x10
[ 458.606367][ T9547] ? __pfx__printk+0x10/0x10
[ 458.606394][ T9547] ? kernfs_path_from_node+0x250/0x290
[ 458.606410][ T9547] ? kernfs_path_from_node+0x2f/0x290
[ 458.606430][ T9547] sysfs_create_dir_ns+0x259/0x280
[ 458.606457][ T9547] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 458.606490][ T9547] ? do_raw_spin_unlock+0x122/0x240
[ 458.606515][ T9547] kobject_add_internal+0x59f/0xb40
[ 458.606546][ T9547] kobject_init_and_add+0x125/0x190
[ 458.606573][ T9547] ? __pfx_kobject_init_and_add+0x10/0x10
[ 458.606596][ T9547] ? __raw_spin_lock_init+0x45/0x100
[ 458.606617][ T9547] ? __init_swait_queue_head+0xa9/0x150
[ 458.606640][ T9547] gfs2_sys_fs_add+0x234/0x450
[ 458.606664][ T9547] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 458.606691][ T9547] ? is_dynamic_key+0xd6/0x1c0
[ 458.606713][ T9547] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 458.606746][ T9547] gfs2_fill_super+0x13c0/0x20d0
[ 458.606779][ T9547] ? __pfx_gfs2_fill_super+0x10/0x10
[ 458.606801][ T9547] ? sb_set_blocksize+0x104/0x180
[ 458.606825][ T9547] ? setup_bdev_super+0x4c1/0x5b0
[ 458.606847][ T9547] get_tree_bdev_flags+0x40e/0x4d0
[ 458.606866][ T9547] ? __pfx_gfs2_fill_super+0x10/0x10
[ 458.606883][ T9547] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 458.606900][ T9547] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 458.606932][ T9547] gfs2_get_tree+0x51/0x1e0
[ 458.606952][ T9547] vfs_get_tree+0x92/0x2b0
[ 458.606972][ T9547] do_new_mount+0x302/0x9e0
[ 458.606990][ T9547] ? apparmor_capable+0x137/0x1b0
[ 458.607019][ T9547] ? __pfx_do_new_mount+0x10/0x10
[ 458.607039][ T9547] ? ns_capable+0x8a/0xf0
[ 458.607066][ T9547] ? kmem_cache_free+0x19b/0x690
[ 458.607096][ T9547] __se_sys_mount+0x313/0x410
[ 458.607122][ T9547] ? __pfx___se_sys_mount+0x10/0x10
[ 458.607146][ T9547] ? do_syscall_64+0xbe/0xfa0
[ 458.607164][ T9547] ? __x64_sys_mount+0x20/0xc0
[ 458.607186][ T9547] do_syscall_64+0xfa/0xfa0
[ 458.607204][ T9547] ? lockdep_hardirqs_on+0x9c/0x150
[ 458.607224][ T9547] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 458.607241][ T9547] ? clear_bhb_loop+0x60/0xb0
[ 458.607262][ T9547] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 458.607278][ T9547] RIP: 0033:0x7fde43f9034a
[ 458.607295][ T9547] 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
[ 458.607310][ T9547] RSP: 002b:00007fde435fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 458.607329][ T9547] RAX: ffffffffffffffda RBX: 00007fde435fdef0 RCX: 00007fde43f9034a
[ 458.607345][ T9547] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007fde435fdeb0
[ 458.607355][ T9547] RBP: 0000200000000240 R08: 00007fde435fdef0 R09: 0000000001000800
[ 458.607364][ T9547] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 458.607374][ T9547] R13: 00007fde435fdeb0 R14: 0000000000012601 R15: 00002000000003c0
[ 458.607401][ T9547]
[ 458.921444][ T9547] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 458.935407][ T9547] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 459.350546][ T9557] loop4: detected capacity change from 0 to 32768
[ 459.385174][ T9545] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 459.393589][ T9545] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 459.410765][ T9549] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 459.418250][ T9549] CPU: 1 UID: 0 PID: 9549 Comm: syz.2.845 Not tainted syzkaller #0 PREEMPT(full)
[ 459.418274][ T9549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 459.418283][ T9549] Call Trace:
[ 459.418290][ T9549]
[ 459.418298][ T9549] dump_stack_lvl+0x189/0x250
[ 459.418326][ T9549] ? __pfx_dump_stack_lvl+0x10/0x10
[ 459.418346][ T9549] ? __pfx__printk+0x10/0x10
[ 459.418372][ T9549] ? kernfs_path_from_node+0x250/0x290
[ 459.418388][ T9549] ? kernfs_path_from_node+0x2f/0x290
[ 459.418407][ T9549] sysfs_create_dir_ns+0x259/0x280
[ 459.418435][ T9549] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 459.418461][ T9549] ? do_raw_spin_unlock+0x122/0x240
[ 459.418486][ T9549] kobject_add_internal+0x59f/0xb40
[ 459.418517][ T9549] kobject_init_and_add+0x125/0x190
[ 459.418544][ T9549] ? __pfx_kobject_init_and_add+0x10/0x10
[ 459.418567][ T9549] ? __raw_spin_lock_init+0x45/0x100
[ 459.418588][ T9549] ? __init_swait_queue_head+0xa9/0x150
[ 459.418610][ T9549] gfs2_sys_fs_add+0x234/0x450
[ 459.418639][ T9549] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 459.418666][ T9549] ? is_dynamic_key+0xd6/0x1c0
[ 459.418687][ T9549] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 459.418721][ T9549] gfs2_fill_super+0x13c0/0x20d0
[ 459.418754][ T9549] ? __pfx_gfs2_fill_super+0x10/0x10
[ 459.418775][ T9549] ? sb_set_blocksize+0x104/0x180
[ 459.418798][ T9549] ? setup_bdev_super+0x4c1/0x5b0
[ 459.418820][ T9549] get_tree_bdev_flags+0x40e/0x4d0
[ 459.418839][ T9549] ? __pfx_gfs2_fill_super+0x10/0x10
[ 459.418856][ T9549] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 459.418873][ T9549] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 459.418905][ T9549] gfs2_get_tree+0x51/0x1e0
[ 459.418925][ T9549] vfs_get_tree+0x92/0x2b0
[ 459.418946][ T9549] do_new_mount+0x302/0x9e0
[ 459.418965][ T9549] ? apparmor_capable+0x137/0x1b0
[ 459.418995][ T9549] ? __pfx_do_new_mount+0x10/0x10
[ 459.419015][ T9549] ? ns_capable+0x8a/0xf0
[ 459.419043][ T9549] ? kmem_cache_free+0x19b/0x690
[ 459.419074][ T9549] __se_sys_mount+0x313/0x410
[ 459.419100][ T9549] ? __pfx___se_sys_mount+0x10/0x10
[ 459.419125][ T9549] ? do_syscall_64+0xbe/0xfa0
[ 459.419144][ T9549] ? __x64_sys_mount+0x20/0xc0
[ 459.419166][ T9549] do_syscall_64+0xfa/0xfa0
[ 459.419184][ T9549] ? lockdep_hardirqs_on+0x9c/0x150
[ 459.419204][ T9549] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 459.419221][ T9549] ? clear_bhb_loop+0x60/0xb0
[ 459.419242][ T9549] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 459.419259][ T9549] RIP: 0033:0x7f7d5619034a
[ 459.419275][ T9549] 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
[ 459.419290][ T9549] RSP: 002b:00007f7d56fd3e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 459.419309][ T9549] RAX: ffffffffffffffda RBX: 00007f7d56fd3ef0 RCX: 00007f7d5619034a
[ 459.419322][ T9549] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007f7d56fd3eb0
[ 459.419335][ T9549] RBP: 0000200000000240 R08: 00007f7d56fd3ef0 R09: 0000000001000800
[ 459.419347][ T9549] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 459.419359][ T9549] R13: 00007f7d56fd3eb0 R14: 0000000000012601 R15: 00002000000003c0
[ 459.419388][ T9549]
[ 459.419415][ T9549] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 459.431013][ T9545] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 459.439238][ T9549] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 459.790429][ T5971] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 459.805665][ T5971] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 459.949932][ T9557] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 459.957449][ T9557] CPU: 0 UID: 0 PID: 9557 Comm: syz.4.847 Not tainted syzkaller #0 PREEMPT(full)
[ 459.957470][ T9557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 459.957480][ T9557] Call Trace:
[ 459.957487][ T9557]
[ 459.957493][ T9557] dump_stack_lvl+0x189/0x250
[ 459.957521][ T9557] ? __pfx_dump_stack_lvl+0x10/0x10
[ 459.957540][ T9557] ? __pfx__printk+0x10/0x10
[ 459.957565][ T9557] ? kernfs_path_from_node+0x250/0x290
[ 459.957579][ T9557] ? kernfs_path_from_node+0x2f/0x290
[ 459.957596][ T9557] sysfs_create_dir_ns+0x259/0x280
[ 459.957622][ T9557] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 459.957645][ T9557] ? do_raw_spin_unlock+0x122/0x240
[ 459.957669][ T9557] kobject_add_internal+0x59f/0xb40
[ 459.957697][ T9557] kobject_init_and_add+0x125/0x190
[ 459.957723][ T9557] ? __pfx_kobject_init_and_add+0x10/0x10
[ 459.957745][ T9557] ? __raw_spin_lock_init+0x45/0x100
[ 459.957766][ T9557] ? __init_swait_queue_head+0xa9/0x150
[ 459.957789][ T9557] gfs2_sys_fs_add+0x234/0x450
[ 459.957812][ T9557] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 459.957839][ T9557] ? is_dynamic_key+0xd6/0x1c0
[ 459.957860][ T9557] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 459.957892][ T9557] gfs2_fill_super+0x13c0/0x20d0
[ 459.957924][ T9557] ? __pfx_gfs2_fill_super+0x10/0x10
[ 459.957945][ T9557] ? sb_set_blocksize+0x104/0x180
[ 459.957967][ T9557] ? setup_bdev_super+0x4c1/0x5b0
[ 459.957990][ T9557] get_tree_bdev_flags+0x40e/0x4d0
[ 459.958009][ T9557] ? __pfx_gfs2_fill_super+0x10/0x10
[ 459.958026][ T9557] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 459.958043][ T9557] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 459.958075][ T9557] gfs2_get_tree+0x51/0x1e0
[ 459.958095][ T9557] vfs_get_tree+0x92/0x2b0
[ 459.958117][ T9557] do_new_mount+0x302/0x9e0
[ 459.958136][ T9557] ? apparmor_capable+0x137/0x1b0
[ 459.958166][ T9557] ? __pfx_do_new_mount+0x10/0x10
[ 459.958186][ T9557] ? ns_capable+0x8a/0xf0
[ 459.958213][ T9557] ? kmem_cache_free+0x19b/0x690
[ 459.958242][ T9557] __se_sys_mount+0x313/0x410
[ 459.958267][ T9557] ? __pfx___se_sys_mount+0x10/0x10
[ 459.958292][ T9557] ? do_syscall_64+0xbe/0xfa0
[ 459.958310][ T9557] ? __x64_sys_mount+0x20/0xc0
[ 459.958333][ T9557] do_syscall_64+0xfa/0xfa0
[ 459.958358][ T9557] ? lockdep_hardirqs_on+0x9c/0x150
[ 459.958378][ T9557] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 459.958395][ T9557] ? clear_bhb_loop+0x60/0xb0
[ 459.958416][ T9557] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 459.958432][ T9557] RIP: 0033:0x7f3b5339034a
[ 459.958449][ T9557] 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
[ 459.958464][ T9557] RSP: 002b:00007f3b5428ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 459.958483][ T9557] RAX: ffffffffffffffda RBX: 00007f3b5428cef0 RCX: 00007f3b5339034a
[ 459.958496][ T9557] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007f3b5428ceb0
[ 459.958509][ T9557] RBP: 0000200000000240 R08: 00007f3b5428cef0 R09: 0000000001000800
[ 459.958521][ T9557] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 459.958533][ T9557] R13: 00007f3b5428ceb0 R14: 0000000000012601 R15: 00002000000003c0
[ 459.958564][ T9557]
[ 459.958589][ T9557] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 460.289171][ T9557] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 460.328643][ T9566] loop0: detected capacity change from 0 to 32768
[ 460.354554][ T9566] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 460.362266][ T9566] CPU: 1 UID: 0 PID: 9566 Comm: syz.0.849 Not tainted syzkaller #0 PREEMPT(full)
[ 460.362287][ T9566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 460.362306][ T9566] Call Trace:
[ 460.362313][ T9566]
[ 460.362321][ T9566] dump_stack_lvl+0x189/0x250
[ 460.362347][ T9566] ? __pfx_dump_stack_lvl+0x10/0x10
[ 460.362367][ T9566] ? __pfx__printk+0x10/0x10
[ 460.362392][ T9566] ? kernfs_path_from_node+0x250/0x290
[ 460.362405][ T9566] ? kernfs_path_from_node+0x2f/0x290
[ 460.362425][ T9566] sysfs_create_dir_ns+0x259/0x280
[ 460.362450][ T9566] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 460.362475][ T9566] ? do_raw_spin_unlock+0x122/0x240
[ 460.362499][ T9566] kobject_add_internal+0x59f/0xb40
[ 460.362529][ T9566] kobject_init_and_add+0x125/0x190
[ 460.362555][ T9566] ? __pfx_kobject_init_and_add+0x10/0x10
[ 460.362577][ T9566] ? __raw_spin_lock_init+0x45/0x100
[ 460.362597][ T9566] ? __init_swait_queue_head+0xa9/0x150
[ 460.362620][ T9566] gfs2_sys_fs_add+0x234/0x450
[ 460.362643][ T9566] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 460.362667][ T9566] ? is_dynamic_key+0xd6/0x1c0
[ 460.362689][ T9566] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 460.362719][ T9566] gfs2_fill_super+0x13c0/0x20d0
[ 460.362748][ T9566] ? __pfx_gfs2_fill_super+0x10/0x10
[ 460.362767][ T9566] ? sb_set_blocksize+0x104/0x180
[ 460.362789][ T9566] ? setup_bdev_super+0x4c1/0x5b0
[ 460.362810][ T9566] get_tree_bdev_flags+0x40e/0x4d0
[ 460.362827][ T9566] ? __pfx_gfs2_fill_super+0x10/0x10
[ 460.362844][ T9566] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 460.362861][ T9566] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 460.362894][ T9566] gfs2_get_tree+0x51/0x1e0
[ 460.362911][ T9566] vfs_get_tree+0x92/0x2b0
[ 460.362932][ T9566] do_new_mount+0x302/0x9e0
[ 460.362948][ T9566] ? apparmor_capable+0x137/0x1b0
[ 460.362976][ T9566] ? __pfx_do_new_mount+0x10/0x10
[ 460.362994][ T9566] ? ns_capable+0x8a/0xf0
[ 460.363020][ T9566] ? kmem_cache_free+0x19b/0x690
[ 460.363048][ T9566] __se_sys_mount+0x313/0x410
[ 460.363073][ T9566] ? __pfx___se_sys_mount+0x10/0x10
[ 460.363097][ T9566] ? do_syscall_64+0xbe/0xfa0
[ 460.363115][ T9566] ? __x64_sys_mount+0x20/0xc0
[ 460.363137][ T9566] do_syscall_64+0xfa/0xfa0
[ 460.363156][ T9566] ? lockdep_hardirqs_on+0x9c/0x150
[ 460.363175][ T9566] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 460.363192][ T9566] ? clear_bhb_loop+0x60/0xb0
[ 460.363213][ T9566] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 460.363230][ T9566] RIP: 0033:0x7f516ed9034a
[ 460.363246][ T9566] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 460.363261][ T9566] RSP: 002b:00007f516fc34e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 460.363280][ T9566] RAX: ffffffffffffffda RBX: 00007f516fc34ef0 RCX: 00007f516ed9034a
[ 460.363302][ T9566] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007f516fc34eb0
[ 460.363313][ T9566] RBP: 0000200000000240 R08: 00007f516fc34ef0 R09: 0000000001000800
[ 460.363325][ T9566] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 460.363337][ T9566] R13: 00007f516fc34eb0 R14: 0000000000012601 R15: 00002000000003c0
[ 460.363367][ T9566]
[ 460.363392][ T9566] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 460.698246][ T9566] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 460.832840][ T9570] loop1: detected capacity change from 0 to 32768
[ 460.866838][ T5971] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 1061ms
[ 460.968375][ T5971] gfs2: fsid=syz:syz.0: jid=0: Done
[ 460.973852][ T9570] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 460.981411][ T9570] CPU: 0 UID: 0 PID: 9570 Comm: syz.1.850 Not tainted syzkaller #0 PREEMPT(full)
[ 460.981433][ T9570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 460.981444][ T9570] Call Trace:
[ 460.981452][ T9570]
[ 460.981460][ T9570] dump_stack_lvl+0x189/0x250
[ 460.981488][ T9570] ? __pfx_dump_stack_lvl+0x10/0x10
[ 460.981507][ T9570] ? __pfx__printk+0x10/0x10
[ 460.981534][ T9570] ? kernfs_path_from_node+0x250/0x290
[ 460.981549][ T9570] ? kernfs_path_from_node+0x2f/0x290
[ 460.981568][ T9570] sysfs_create_dir_ns+0x259/0x280
[ 460.981596][ T9570] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 460.981622][ T9570] ? do_raw_spin_unlock+0x122/0x240
[ 460.981646][ T9570] kobject_add_internal+0x59f/0xb40
[ 460.981676][ T9570] kobject_init_and_add+0x125/0x190
[ 460.981703][ T9570] ? __pfx_kobject_init_and_add+0x10/0x10
[ 460.981725][ T9570] ? __raw_spin_lock_init+0x45/0x100
[ 460.981746][ T9570] ? __init_swait_queue_head+0xa9/0x150
[ 460.981769][ T9570] gfs2_sys_fs_add+0x234/0x450
[ 460.981793][ T9570] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 460.981821][ T9570] ? is_dynamic_key+0xd6/0x1c0
[ 460.981842][ T9570] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 460.981874][ T9570] gfs2_fill_super+0x13c0/0x20d0
[ 460.981907][ T9570] ? __pfx_gfs2_fill_super+0x10/0x10
[ 460.981928][ T9570] ? sb_set_blocksize+0x104/0x180
[ 460.981951][ T9570] ? setup_bdev_super+0x4c1/0x5b0
[ 460.981974][ T9570] get_tree_bdev_flags+0x40e/0x4d0
[ 460.981992][ T9570] ? __pfx_gfs2_fill_super+0x10/0x10
[ 460.982009][ T9570] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 460.982025][ T9570] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 460.982058][ T9570] gfs2_get_tree+0x51/0x1e0
[ 460.982078][ T9570] vfs_get_tree+0x92/0x2b0
[ 460.982099][ T9570] do_new_mount+0x302/0x9e0
[ 460.982118][ T9570] ? apparmor_capable+0x137/0x1b0
[ 460.982146][ T9570] ? __pfx_do_new_mount+0x10/0x10
[ 460.982166][ T9570] ? ns_capable+0x8a/0xf0
[ 460.982193][ T9570] ? kmem_cache_free+0x19b/0x690
[ 460.982224][ T9570] __se_sys_mount+0x313/0x410
[ 460.982251][ T9570] ? __pfx___se_sys_mount+0x10/0x10
[ 460.982276][ T9570] ? do_syscall_64+0xbe/0xfa0
[ 460.982294][ T9570] ? __x64_sys_mount+0x20/0xc0
[ 460.982322][ T9570] do_syscall_64+0xfa/0xfa0
[ 460.982340][ T9570] ? lockdep_hardirqs_on+0x9c/0x150
[ 460.982360][ T9570] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 460.982377][ T9570] ? clear_bhb_loop+0x60/0xb0
[ 460.982398][ T9570] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 460.982414][ T9570] RIP: 0033:0x7fde43f9034a
[ 460.982432][ T9570] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 460.982447][ T9570] RSP: 002b:00007fde435fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 460.982466][ T9570] RAX: ffffffffffffffda RBX: 00007fde435fdef0 RCX: 00007fde43f9034a
[ 460.982478][ T9570] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007fde435fdeb0
[ 460.982491][ T9570] RBP: 0000200000000240 R08: 00007fde435fdef0 R09: 0000000001000800
[ 460.982503][ T9570] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 460.982515][ T9570] R13: 00007fde435fdeb0 R14: 0000000000012601 R15: 00002000000003c0
[ 460.982545][ T9570]
[ 460.982569][ T9570] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 461.116693][ T9572] loop2: detected capacity change from 0 to 32768
[ 461.157421][ T9570] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 461.340010][ T9545] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 461.369569][ T9545] gfs2: fsid=syz:syz.0: can't create logd thread: -4
[ 461.423528][ T9572] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 461.431066][ T9572] CPU: 0 UID: 0 PID: 9572 Comm: syz.2.851 Not tainted syzkaller #0 PREEMPT(full)
[ 461.431088][ T9572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 461.431099][ T9572] Call Trace:
[ 461.431106][ T9572]
[ 461.431114][ T9572] dump_stack_lvl+0x189/0x250
[ 461.431142][ T9572] ? __pfx_dump_stack_lvl+0x10/0x10
[ 461.431162][ T9572] ? __pfx__printk+0x10/0x10
[ 461.431189][ T9572] ? kernfs_path_from_node+0x250/0x290
[ 461.431205][ T9572] ? kernfs_path_from_node+0x2f/0x290
[ 461.431225][ T9572] sysfs_create_dir_ns+0x259/0x280
[ 461.431259][ T9572] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 461.431284][ T9572] ? do_raw_spin_unlock+0x122/0x240
[ 461.431310][ T9572] kobject_add_internal+0x59f/0xb40
[ 461.431340][ T9572] kobject_init_and_add+0x125/0x190
[ 461.431368][ T9572] ? __pfx_kobject_init_and_add+0x10/0x10
[ 461.431391][ T9572] ? __raw_spin_lock_init+0x45/0x100
[ 461.431411][ T9572] ? __init_swait_queue_head+0xa9/0x150
[ 461.431434][ T9572] gfs2_sys_fs_add+0x234/0x450
[ 461.431457][ T9572] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 461.431484][ T9572] ? is_dynamic_key+0xd6/0x1c0
[ 461.431505][ T9572] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 461.431540][ T9572] gfs2_fill_super+0x13c0/0x20d0
[ 461.431569][ T9572] ? __pfx_gfs2_fill_super+0x10/0x10
[ 461.431589][ T9572] ? sb_set_blocksize+0x104/0x180
[ 461.431611][ T9572] ? setup_bdev_super+0x4c1/0x5b0
[ 461.431634][ T9572] get_tree_bdev_flags+0x40e/0x4d0
[ 461.431653][ T9572] ? __pfx_gfs2_fill_super+0x10/0x10
[ 461.431668][ T9572] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 461.431685][ T9572] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 461.431718][ T9572] gfs2_get_tree+0x51/0x1e0
[ 461.431738][ T9572] vfs_get_tree+0x92/0x2b0
[ 461.431760][ T9572] do_new_mount+0x302/0x9e0
[ 461.431778][ T9572] ? apparmor_capable+0x137/0x1b0
[ 461.431807][ T9572] ? __pfx_do_new_mount+0x10/0x10
[ 461.431827][ T9572] ? ns_capable+0x8a/0xf0
[ 461.431854][ T9572] ? kmem_cache_free+0x19b/0x690
[ 461.431883][ T9572] __se_sys_mount+0x313/0x410
[ 461.431909][ T9572] ? __pfx___se_sys_mount+0x10/0x10
[ 461.431934][ T9572] ? do_syscall_64+0xbe/0xfa0
[ 461.431952][ T9572] ? __x64_sys_mount+0x20/0xc0
[ 461.431975][ T9572] do_syscall_64+0xfa/0xfa0
[ 461.431993][ T9572] ? lockdep_hardirqs_on+0x9c/0x150
[ 461.432012][ T9572] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 461.432029][ T9572] ? clear_bhb_loop+0x60/0xb0
[ 461.432051][ T9572] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 461.432067][ T9572] RIP: 0033:0x7f7d5619034a
[ 461.432083][ T9572] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 461.432098][ T9572] RSP: 002b:00007f7d56fd3e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 461.432116][ T9572] RAX: ffffffffffffffda RBX: 00007f7d56fd3ef0 RCX: 00007f7d5619034a
[ 461.432129][ T9572] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007f7d56fd3eb0
[ 461.432142][ T9572] RBP: 0000200000000240 R08: 00007f7d56fd3ef0 R09: 0000000001000800
[ 461.432154][ T9572] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 461.432166][ T9572] R13: 00007f7d56fd3eb0 R14: 0000000000012601 R15: 00002000000003c0
[ 461.432195][ T9572]
[ 461.432221][ T9572] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 461.764431][ T9572] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/09/27 08:41:36 executed programs: 847
[ 462.359911][ T9583] loop0: detected capacity change from 0 to 32768
[ 462.424562][ T9583] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 462.432840][ T9583] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 462.470928][ T9583] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 462.810484][ T9585] loop1: detected capacity change from 0 to 32768
[ 462.835939][ T9589] loop4: detected capacity change from 0 to 32768
[ 462.867900][ T6580] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 462.917387][ T6580] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 463.032954][ T9585] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 463.040530][ T9585] CPU: 1 UID: 0 PID: 9585 Comm: syz.1.856 Not tainted syzkaller #0 PREEMPT(full)
[ 463.040553][ T9585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 463.040564][ T9585] Call Trace:
[ 463.040572][ T9585]
[ 463.040580][ T9585] dump_stack_lvl+0x189/0x250
[ 463.040608][ T9585] ? __pfx_dump_stack_lvl+0x10/0x10
[ 463.040626][ T9585] ? __pfx__printk+0x10/0x10
[ 463.040653][ T9585] ? kernfs_path_from_node+0x250/0x290
[ 463.040669][ T9585] ? kernfs_path_from_node+0x2f/0x290
[ 463.040689][ T9585] sysfs_create_dir_ns+0x259/0x280
[ 463.040717][ T9585] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 463.040742][ T9585] ? do_raw_spin_unlock+0x122/0x240
[ 463.040767][ T9585] kobject_add_internal+0x59f/0xb40
[ 463.040797][ T9585] kobject_init_and_add+0x125/0x190
[ 463.040825][ T9585] ? __pfx_kobject_init_and_add+0x10/0x10
[ 463.040849][ T9585] ? __raw_spin_lock_init+0x45/0x100
[ 463.040870][ T9585] ? __init_swait_queue_head+0xa9/0x150
[ 463.040893][ T9585] gfs2_sys_fs_add+0x234/0x450
[ 463.040917][ T9585] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 463.040945][ T9585] ? is_dynamic_key+0xd6/0x1c0
[ 463.040966][ T9585] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 463.041005][ T9585] gfs2_fill_super+0x13c0/0x20d0
[ 463.041038][ T9585] ? __pfx_gfs2_fill_super+0x10/0x10
[ 463.041058][ T9585] ? sb_set_blocksize+0x104/0x180
[ 463.041081][ T9585] ? setup_bdev_super+0x4c1/0x5b0
[ 463.041103][ T9585] get_tree_bdev_flags+0x40e/0x4d0
[ 463.041122][ T9585] ? __pfx_gfs2_fill_super+0x10/0x10
[ 463.041138][ T9585] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 463.041155][ T9585] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 463.041188][ T9585] gfs2_get_tree+0x51/0x1e0
[ 463.041208][ T9585] vfs_get_tree+0x92/0x2b0
[ 463.041229][ T9585] do_new_mount+0x302/0x9e0
[ 463.041248][ T9585] ? apparmor_capable+0x137/0x1b0
[ 463.041277][ T9585] ? __pfx_do_new_mount+0x10/0x10
[ 463.041303][ T9585] ? ns_capable+0x8a/0xf0
[ 463.041330][ T9585] ? kmem_cache_free+0x19b/0x690
[ 463.041360][ T9585] __se_sys_mount+0x313/0x410
[ 463.041387][ T9585] ? __pfx___se_sys_mount+0x10/0x10
[ 463.041411][ T9585] ? do_syscall_64+0xbe/0xfa0
[ 463.041430][ T9585] ? __x64_sys_mount+0x20/0xc0
[ 463.041453][ T9585] do_syscall_64+0xfa/0xfa0
[ 463.041471][ T9585] ? lockdep_hardirqs_on+0x9c/0x150
[ 463.041491][ T9585] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 463.041508][ T9585] ? clear_bhb_loop+0x60/0xb0
[ 463.041529][ T9585] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 463.041546][ T9585] RIP: 0033:0x7fde43f9034a
[ 463.041562][ T9585] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 463.041578][ T9585] RSP: 002b:00007fde435fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 463.041597][ T9585] RAX: ffffffffffffffda RBX: 00007fde435fdef0 RCX: 00007fde43f9034a
[ 463.041610][ T9585] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007fde435fdeb0
[ 463.041622][ T9585] RBP: 0000200000000240 R08: 00007fde435fdef0 R09: 0000000001000800
[ 463.041635][ T9585] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 463.041646][ T9585] R13: 00007fde435fdeb0 R14: 0000000000012601 R15: 00002000000003c0
[ 463.041676][ T9585]
[ 463.041702][ T9585] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 463.208492][ T9594] loop2: detected capacity change from 0 to 32768
[ 463.210484][ T9585] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 463.278989][ T9589] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 463.392224][ T9589] CPU: 0 UID: 0 PID: 9589 Comm: syz.4.855 Not tainted syzkaller #0 PREEMPT(full)
[ 463.392248][ T9589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 463.392259][ T9589] Call Trace:
[ 463.392267][ T9589]
[ 463.392275][ T9589] dump_stack_lvl+0x189/0x250
[ 463.392302][ T9589] ? __pfx_dump_stack_lvl+0x10/0x10
[ 463.392323][ T9589] ? __pfx__printk+0x10/0x10
[ 463.392350][ T9589] ? kernfs_path_from_node+0x250/0x290
[ 463.392366][ T9589] ? kernfs_path_from_node+0x2f/0x290
[ 463.392386][ T9589] sysfs_create_dir_ns+0x259/0x280
[ 463.392413][ T9589] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 463.392438][ T9589] ? do_raw_spin_unlock+0x122/0x240
[ 463.392462][ T9589] kobject_add_internal+0x59f/0xb40
[ 463.392492][ T9589] kobject_init_and_add+0x125/0x190
[ 463.392518][ T9589] ? __pfx_kobject_init_and_add+0x10/0x10
[ 463.392541][ T9589] ? __raw_spin_lock_init+0x45/0x100
[ 463.392562][ T9589] ? __init_swait_queue_head+0xa9/0x150
[ 463.392584][ T9589] gfs2_sys_fs_add+0x234/0x450
[ 463.392608][ T9589] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 463.392636][ T9589] ? is_dynamic_key+0xd6/0x1c0
[ 463.392657][ T9589] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 463.392691][ T9589] gfs2_fill_super+0x13c0/0x20d0
[ 463.392724][ T9589] ? __pfx_gfs2_fill_super+0x10/0x10
[ 463.392745][ T9589] ? sb_set_blocksize+0x104/0x180
[ 463.392769][ T9589] ? setup_bdev_super+0x4c1/0x5b0
[ 463.392792][ T9589] get_tree_bdev_flags+0x40e/0x4d0
[ 463.392811][ T9589] ? __pfx_gfs2_fill_super+0x10/0x10
[ 463.392827][ T9589] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 463.392844][ T9589] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 463.392877][ T9589] gfs2_get_tree+0x51/0x1e0
[ 463.392897][ T9589] vfs_get_tree+0x92/0x2b0
[ 463.392926][ T9589] do_new_mount+0x302/0x9e0
[ 463.392946][ T9589] ? apparmor_capable+0x137/0x1b0
[ 463.392991][ T9589] ? __pfx_do_new_mount+0x10/0x10
[ 463.393016][ T9589] ? ns_capable+0x8a/0xf0
[ 463.393042][ T9589] ? kmem_cache_free+0x19b/0x690
[ 463.393072][ T9589] __se_sys_mount+0x313/0x410
[ 463.393099][ T9589] ? __pfx___se_sys_mount+0x10/0x10
[ 463.393123][ T9589] ? do_syscall_64+0xbe/0xfa0
[ 463.393142][ T9589] ? __x64_sys_mount+0x20/0xc0
[ 463.393164][ T9589] do_syscall_64+0xfa/0xfa0
[ 463.393183][ T9589] ? lockdep_hardirqs_on+0x9c/0x150
[ 463.393203][ T9589] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 463.393220][ T9589] ? clear_bhb_loop+0x60/0xb0
[ 463.393240][ T9589] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 463.393256][ T9589] RIP: 0033:0x7f3b5339034a
[ 463.393273][ T9589] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 463.393289][ T9589] RSP: 002b:00007f3b5428ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 463.393309][ T9589] RAX: ffffffffffffffda RBX: 00007f3b5428cef0 RCX: 00007f3b5339034a
[ 463.393322][ T9589] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007f3b5428ceb0
[ 463.393335][ T9589] RBP: 0000200000000240 R08: 00007f3b5428cef0 R09: 0000000001000800
[ 463.393347][ T9589] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 463.393358][ T9589] R13: 00007f3b5428ceb0 R14: 0000000000012601 R15: 00002000000003c0
[ 463.393388][ T9589]
[ 463.393416][ T9589] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 463.707466][ T9596] loop3: detected capacity change from 0 to 32768
[ 463.709743][ T9589] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 463.736036][ T9594] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 463.745487][ T9594] CPU: 1 UID: 0 PID: 9594 Comm: syz.2.857 Not tainted syzkaller #0 PREEMPT(full)
[ 463.745510][ T9594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 463.745520][ T9594] Call Trace:
[ 463.745528][ T9594]
[ 463.745536][ T9594] dump_stack_lvl+0x189/0x250
[ 463.745564][ T9594] ? __pfx_dump_stack_lvl+0x10/0x10
[ 463.745583][ T9594] ? __pfx__printk+0x10/0x10
[ 463.745611][ T9594] ? kernfs_path_from_node+0x250/0x290
[ 463.745627][ T9594] ? kernfs_path_from_node+0x2f/0x290
[ 463.745647][ T9594] sysfs_create_dir_ns+0x259/0x280
[ 463.745675][ T9594] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 463.745701][ T9594] ? do_raw_spin_unlock+0x122/0x240
[ 463.745726][ T9594] kobject_add_internal+0x59f/0xb40
[ 463.745757][ T9594] kobject_init_and_add+0x125/0x190
[ 463.745784][ T9594] ? __pfx_kobject_init_and_add+0x10/0x10
[ 463.745807][ T9594] ? __raw_spin_lock_init+0x45/0x100
[ 463.745828][ T9594] ? __init_swait_queue_head+0xa9/0x150
[ 463.745851][ T9594] gfs2_sys_fs_add+0x234/0x450
[ 463.745875][ T9594] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 463.745902][ T9594] ? is_dynamic_key+0xd6/0x1c0
[ 463.745923][ T9594] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 463.745956][ T9594] gfs2_fill_super+0x13c0/0x20d0
[ 463.745989][ T9594] ? __pfx_gfs2_fill_super+0x10/0x10
[ 463.746008][ T9594] ? sb_set_blocksize+0x104/0x180
[ 463.746030][ T9594] ? setup_bdev_super+0x4c1/0x5b0
[ 463.746049][ T9594] get_tree_bdev_flags+0x40e/0x4d0
[ 463.746068][ T9594] ? __pfx_gfs2_fill_super+0x10/0x10
[ 463.746083][ T9594] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 463.746100][ T9594] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 463.746130][ T9594] gfs2_get_tree+0x51/0x1e0
[ 463.746149][ T9594] vfs_get_tree+0x92/0x2b0
[ 463.746169][ T9594] do_new_mount+0x302/0x9e0
[ 463.746187][ T9594] ? apparmor_capable+0x137/0x1b0
[ 463.746221][ T9594] ? __pfx_do_new_mount+0x10/0x10
[ 463.746239][ T9594] ? ns_capable+0x8a/0xf0
[ 463.746262][ T9594] ? kmem_cache_free+0x19b/0x690
[ 463.746290][ T9594] __se_sys_mount+0x313/0x410
[ 463.746313][ T9594] ? __pfx___se_sys_mount+0x10/0x10
[ 463.746334][ T9594] ? do_syscall_64+0xbe/0xfa0
[ 463.746353][ T9594] ? __x64_sys_mount+0x20/0xc0
[ 463.746374][ T9594] do_syscall_64+0xfa/0xfa0
[ 463.746392][ T9594] ? lockdep_hardirqs_on+0x9c/0x150
[ 463.746411][ T9594] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 463.746427][ T9594] ? clear_bhb_loop+0x60/0xb0
[ 463.746446][ T9594] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 463.746462][ T9594] RIP: 0033:0x7f7d5619034a
[ 463.746476][ T9594] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 463.746490][ T9594] RSP: 002b:00007f7d56fd3e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 463.746507][ T9594] RAX: ffffffffffffffda RBX: 00007f7d56fd3ef0 RCX: 00007f7d5619034a
[ 463.746518][ T9594] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007f7d56fd3eb0
[ 463.746530][ T9594] RBP: 0000200000000240 R08: 00007f7d56fd3ef0 R09: 0000000001000800
[ 463.746541][ T9594] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 463.746552][ T9594] R13: 00007f7d56fd3eb0 R14: 0000000000012601 R15: 00002000000003c0
[ 463.746580][ T9594]
[ 463.746605][ T9594] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 463.831988][ T9596] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 463.832650][ T9594] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 463.837971][ T9596] CPU: 0 UID: 0 PID: 9596 Comm: syz.3.858 Not tainted syzkaller #0 PREEMPT(full)
[ 463.837992][ T9596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 463.838003][ T9596] Call Trace:
[ 463.838010][ T9596]
[ 463.838018][ T9596] dump_stack_lvl+0x189/0x250
[ 463.838045][ T9596] ? __pfx_dump_stack_lvl+0x10/0x10
[ 463.838065][ T9596] ? __pfx__printk+0x10/0x10
[ 463.838093][ T9596] ? kernfs_path_from_node+0x250/0x290
[ 463.838108][ T9596] ? kernfs_path_from_node+0x2f/0x290
[ 463.838128][ T9596] sysfs_create_dir_ns+0x259/0x280
[ 463.838154][ T9596] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 463.838179][ T9596] ? do_raw_spin_unlock+0x122/0x240
[ 463.838204][ T9596] kobject_add_internal+0x59f/0xb40
[ 463.838234][ T9596] kobject_init_and_add+0x125/0x190
[ 463.838261][ T9596] ? __pfx_kobject_init_and_add+0x10/0x10
[ 463.838283][ T9596] ? __raw_spin_lock_init+0x45/0x100
[ 463.838304][ T9596] ? __init_swait_queue_head+0xa9/0x150
[ 463.838327][ T9596] gfs2_sys_fs_add+0x234/0x450
[ 463.838351][ T9596] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 463.838378][ T9596] ? is_dynamic_key+0xd6/0x1c0
[ 463.838399][ T9596] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 463.838433][ T9596] gfs2_fill_super+0x13c0/0x20d0
[ 463.838466][ T9596] ? __pfx_gfs2_fill_super+0x10/0x10
[ 463.838488][ T9596] ? sb_set_blocksize+0x104/0x180
[ 463.838511][ T9596] ? setup_bdev_super+0x4c1/0x5b0
[ 463.838533][ T9596] get_tree_bdev_flags+0x40e/0x4d0
[ 463.838552][ T9596] ? __pfx_gfs2_fill_super+0x10/0x10
[ 463.838569][ T9596] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 463.838586][ T9596] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 463.838619][ T9596] gfs2_get_tree+0x51/0x1e0
[ 463.838639][ T9596] vfs_get_tree+0x92/0x2b0
[ 463.838661][ T9596] do_new_mount+0x302/0x9e0
[ 463.838680][ T9596] ? apparmor_capable+0x137/0x1b0
[ 463.838708][ T9596] ? __pfx_do_new_mount+0x10/0x10
[ 463.838728][ T9596] ? ns_capable+0x8a/0xf0
[ 463.838755][ T9596] ? kmem_cache_free+0x19b/0x690
[ 463.838786][ T9596] __se_sys_mount+0x313/0x410
[ 463.838812][ T9596] ? __pfx___se_sys_mount+0x10/0x10
[ 463.838837][ T9596] ? do_syscall_64+0xbe/0xfa0
[ 463.838855][ T9596] ? __x64_sys_mount+0x20/0xc0
[ 463.838878][ T9596] do_syscall_64+0xfa/0xfa0
[ 463.838896][ T9596] ? lockdep_hardirqs_on+0x9c/0x150
[ 463.838916][ T9596] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 463.838939][ T9596] ? clear_bhb_loop+0x60/0xb0
[ 463.838961][ T9596] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 463.838977][ T9596] RIP: 0033:0x7f57be39034a
[ 463.838994][ T9596] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 463.839009][ T9596] RSP: 002b:00007f57bd9fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 463.839028][ T9596] RAX: ffffffffffffffda RBX: 00007f57bd9fdef0 RCX: 00007f57be39034a
[ 463.839041][ T9596] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007f57bd9fdeb0
[ 463.839054][ T9596] RBP: 0000200000000240 R08: 00007f57bd9fdef0 R09: 0000000001000800
[ 463.839066][ T9596] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 463.839078][ T9596] R13: 00007f57bd9fdeb0 R14: 0000000000012601 R15: 00002000000003c0
[ 463.839108][ T9596]
[ 463.839132][ T9596] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 463.839147][ T9596] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 464.570607][ T9604] loop1: detected capacity change from 0 to 32768
[ 464.737592][ T9604] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 464.745003][ T9604] CPU: 0 UID: 0 PID: 9604 Comm: syz.1.859 Not tainted syzkaller #0 PREEMPT(full)
[ 464.745028][ T9604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 464.745039][ T9604] Call Trace:
[ 464.745047][ T9604]
[ 464.745055][ T9604] dump_stack_lvl+0x189/0x250
[ 464.745083][ T9604] ? __pfx_dump_stack_lvl+0x10/0x10
[ 464.745102][ T9604] ? __pfx__printk+0x10/0x10
[ 464.745130][ T9604] ? kernfs_path_from_node+0x250/0x290
[ 464.745146][ T9604] ? kernfs_path_from_node+0x2f/0x290
[ 464.745166][ T9604] sysfs_create_dir_ns+0x259/0x280
[ 464.745193][ T9604] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 464.745219][ T9604] ? do_raw_spin_unlock+0x122/0x240
[ 464.745243][ T9604] kobject_add_internal+0x59f/0xb40
[ 464.745275][ T9604] kobject_init_and_add+0x125/0x190
[ 464.745303][ T9604] ? __pfx_kobject_init_and_add+0x10/0x10
[ 464.745326][ T9604] ? __raw_spin_lock_init+0x45/0x100
[ 464.745347][ T9604] ? __init_swait_queue_head+0xa9/0x150
[ 464.745369][ T9604] gfs2_sys_fs_add+0x234/0x450
[ 464.745394][ T9604] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 464.745421][ T9604] ? is_dynamic_key+0xd6/0x1c0
[ 464.745443][ T9604] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 464.745477][ T9604] gfs2_fill_super+0x13c0/0x20d0
[ 464.745509][ T9604] ? __pfx_gfs2_fill_super+0x10/0x10
[ 464.745531][ T9604] ? sb_set_blocksize+0x104/0x180
[ 464.745554][ T9604] ? setup_bdev_super+0x4c1/0x5b0
[ 464.745576][ T9604] get_tree_bdev_flags+0x40e/0x4d0
[ 464.745595][ T9604] ? __pfx_gfs2_fill_super+0x10/0x10
[ 464.745612][ T9604] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 464.745628][ T9604] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 464.745660][ T9604] gfs2_get_tree+0x51/0x1e0
[ 464.745680][ T9604] vfs_get_tree+0x92/0x2b0
[ 464.745701][ T9604] do_new_mount+0x302/0x9e0
[ 464.745720][ T9604] ? apparmor_capable+0x137/0x1b0
[ 464.745748][ T9604] ? __pfx_do_new_mount+0x10/0x10
[ 464.745768][ T9604] ? ns_capable+0x8a/0xf0
[ 464.745794][ T9604] ? kmem_cache_free+0x19b/0x690
[ 464.745824][ T9604] __se_sys_mount+0x313/0x410
[ 464.745857][ T9604] ? __pfx___se_sys_mount+0x10/0x10
[ 464.745882][ T9604] ? do_syscall_64+0xbe/0xfa0
[ 464.745900][ T9604] ? __x64_sys_mount+0x20/0xc0
[ 464.745923][ T9604] do_syscall_64+0xfa/0xfa0
[ 464.745941][ T9604] ? lockdep_hardirqs_on+0x9c/0x150
[ 464.745962][ T9604] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 464.745979][ T9604] ? clear_bhb_loop+0x60/0xb0
[ 464.746001][ T9604] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 464.746018][ T9604] RIP: 0033:0x7fde43f9034a
[ 464.746034][ T9604] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 464.746049][ T9604] RSP: 002b:00007fde435fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 464.746068][ T9604] RAX: ffffffffffffffda RBX: 00007fde435fdef0 RCX: 00007fde43f9034a
[ 464.746082][ T9604] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007fde435fdeb0
[ 464.746094][ T9604] RBP: 0000200000000240 R08: 00007fde435fdef0 R09: 0000000001000800
[ 464.746105][ T9604] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 464.746118][ T9604] R13: 00007fde435fdeb0 R14: 0000000000012601 R15: 00002000000003c0
[ 464.746148][ T9604]
[ 464.746173][ T9604] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 464.916890][ T9607] loop3: detected capacity change from 0 to 32768
[ 465.017429][ T9604] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 465.129727][ T9607] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 465.138251][ T9607] CPU: 0 UID: 0 PID: 9607 Comm: syz.3.860 Not tainted syzkaller #0 PREEMPT(full)
[ 465.138297][ T9607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 465.138321][ T9607] Call Trace:
[ 465.138338][ T9607]
[ 465.138353][ T9607] dump_stack_lvl+0x189/0x250
[ 465.138408][ T9607] ? __pfx_dump_stack_lvl+0x10/0x10
[ 465.138454][ T9607] ? __pfx__printk+0x10/0x10
[ 465.138507][ T9607] ? kernfs_path_from_node+0x250/0x290
[ 465.138522][ T9607] ? kernfs_path_from_node+0x2f/0x290
[ 465.138542][ T9607] sysfs_create_dir_ns+0x259/0x280
[ 465.138569][ T9607] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 465.138594][ T9607] ? do_raw_spin_unlock+0x122/0x240
[ 465.138618][ T9607] kobject_add_internal+0x59f/0xb40
[ 465.138648][ T9607] kobject_init_and_add+0x125/0x190
[ 465.138676][ T9607] ? __pfx_kobject_init_and_add+0x10/0x10
[ 465.138699][ T9607] ? __raw_spin_lock_init+0x45/0x100
[ 465.138720][ T9607] ? __init_swait_queue_head+0xa9/0x150
[ 465.138743][ T9607] gfs2_sys_fs_add+0x234/0x450
[ 465.138768][ T9607] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 465.138795][ T9607] ? is_dynamic_key+0xd6/0x1c0
[ 465.138817][ T9607] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 465.138851][ T9607] gfs2_fill_super+0x13c0/0x20d0
[ 465.138884][ T9607] ? __pfx_gfs2_fill_super+0x10/0x10
[ 465.138905][ T9607] ? sb_set_blocksize+0x104/0x180
[ 465.138928][ T9607] ? setup_bdev_super+0x4c1/0x5b0
[ 465.138950][ T9607] get_tree_bdev_flags+0x40e/0x4d0
[ 465.138969][ T9607] ? __pfx_gfs2_fill_super+0x10/0x10
[ 465.138986][ T9607] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 465.139003][ T9607] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 465.139036][ T9607] gfs2_get_tree+0x51/0x1e0
[ 465.139056][ T9607] vfs_get_tree+0x92/0x2b0
[ 465.139083][ T9607] do_new_mount+0x302/0x9e0
[ 465.139102][ T9607] ? apparmor_capable+0x137/0x1b0
[ 465.139131][ T9607] ? __pfx_do_new_mount+0x10/0x10
[ 465.139151][ T9607] ? ns_capable+0x8a/0xf0
[ 465.139178][ T9607] ? kmem_cache_free+0x19b/0x690
[ 465.139208][ T9607] __se_sys_mount+0x313/0x410
[ 465.139235][ T9607] ? __pfx___se_sys_mount+0x10/0x10
[ 465.139259][ T9607] ? do_syscall_64+0xbe/0xfa0
[ 465.139278][ T9607] ? __x64_sys_mount+0x20/0xc0
[ 465.139301][ T9607] do_syscall_64+0xfa/0xfa0
[ 465.139319][ T9607] ? lockdep_hardirqs_on+0x9c/0x150
[ 465.139340][ T9607] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 465.139357][ T9607] ? clear_bhb_loop+0x60/0xb0
[ 465.139378][ T9607] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 465.139394][ T9607] RIP: 0033:0x7f57be39034a
[ 465.139410][ T9607] 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
[ 465.139425][ T9607] RSP: 002b:00007f57bd9fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 465.139444][ T9607] RAX: ffffffffffffffda RBX: 00007f57bd9fdef0 RCX: 00007f57be39034a
[ 465.139457][ T9607] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007f57bd9fdeb0
[ 465.139470][ T9607] RBP: 0000200000000240 R08: 00007f57bd9fdef0 R09: 0000000001000800
[ 465.139482][ T9607] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 465.139494][ T9607] R13: 00007f57bd9fdeb0 R14: 0000000000012601 R15: 00002000000003c0
[ 465.139525][ T9607]
[ 465.139549][ T9607] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 465.165563][ T9608] loop4: detected capacity change from 0 to 32768
[ 465.166036][ T9607] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 465.226334][ T6580] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 2308ms
[ 465.543270][ T6580] gfs2: fsid=syz:syz.0: jid=0: Done
[ 465.549618][ T9583] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 465.607902][ T9608] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 465.615372][ T9608] CPU: 1 UID: 0 PID: 9608 Comm: syz.4.861 Not tainted syzkaller #0 PREEMPT(full)
[ 465.615396][ T9608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 465.615407][ T9608] Call Trace:
[ 465.615415][ T9608]
[ 465.615422][ T9608] dump_stack_lvl+0x189/0x250
[ 465.615449][ T9608] ? __pfx_dump_stack_lvl+0x10/0x10
[ 465.615469][ T9608] ? __pfx__printk+0x10/0x10
[ 465.615496][ T9608] ? kernfs_path_from_node+0x250/0x290
[ 465.615512][ T9608] ? kernfs_path_from_node+0x2f/0x290
[ 465.615532][ T9608] sysfs_create_dir_ns+0x259/0x280
[ 465.615558][ T9608] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 465.615584][ T9608] ? do_raw_spin_unlock+0x122/0x240
[ 465.615608][ T9608] kobject_add_internal+0x59f/0xb40
[ 465.615639][ T9608] kobject_init_and_add+0x125/0x190
[ 465.615667][ T9608] ? __pfx_kobject_init_and_add+0x10/0x10
[ 465.615690][ T9608] ? __raw_spin_lock_init+0x45/0x100
[ 465.615711][ T9608] ? __init_swait_queue_head+0xa9/0x150
[ 465.615734][ T9608] gfs2_sys_fs_add+0x234/0x450
[ 465.615757][ T9608] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 465.615779][ T9608] ? is_dynamic_key+0xd6/0x1c0
[ 465.615795][ T9608] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 465.615823][ T9608] gfs2_fill_super+0x13c0/0x20d0
[ 465.615854][ T9608] ? __pfx_gfs2_fill_super+0x10/0x10
[ 465.615876][ T9608] ? sb_set_blocksize+0x104/0x180
[ 465.615899][ T9608] ? setup_bdev_super+0x4c1/0x5b0
[ 465.615921][ T9608] get_tree_bdev_flags+0x40e/0x4d0
[ 465.615940][ T9608] ? __pfx_gfs2_fill_super+0x10/0x10
[ 465.615956][ T9608] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 465.615972][ T9608] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 465.616020][ T9608] gfs2_get_tree+0x51/0x1e0
[ 465.616041][ T9608] vfs_get_tree+0x92/0x2b0
[ 465.616062][ T9608] do_new_mount+0x302/0x9e0
[ 465.616081][ T9608] ? apparmor_capable+0x137/0x1b0
[ 465.616111][ T9608] ? __pfx_do_new_mount+0x10/0x10
[ 465.616132][ T9608] ? ns_capable+0x8a/0xf0
[ 465.616159][ T9608] ? kmem_cache_free+0x19b/0x690
[ 465.616189][ T9608] __se_sys_mount+0x313/0x410
[ 465.616216][ T9608] ? __pfx___se_sys_mount+0x10/0x10
[ 465.616240][ T9608] ? do_syscall_64+0xbe/0xfa0
[ 465.616259][ T9608] ? __x64_sys_mount+0x20/0xc0
[ 465.616281][ T9608] do_syscall_64+0xfa/0xfa0
[ 465.616299][ T9608] ? lockdep_hardirqs_on+0x9c/0x150
[ 465.616319][ T9608] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 465.616336][ T9608] ? clear_bhb_loop+0x60/0xb0
[ 465.616357][ T9608] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 465.616373][ T9608] RIP: 0033:0x7f3b5339034a
[ 465.616390][ T9608] 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
[ 465.616406][ T9608] RSP: 002b:00007f3b5428ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 465.616424][ T9608] RAX: ffffffffffffffda RBX: 00007f3b5428cef0 RCX: 00007f3b5339034a
[ 465.616437][ T9608] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007f3b5428ceb0
[ 465.616450][ T9608] RBP: 0000200000000240 R08: 00007f3b5428cef0 R09: 0000000001000800
[ 465.616462][ T9608] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 465.616474][ T9608] R13: 00007f3b5428ceb0 R14: 0000000000012601 R15: 00002000000003c0
[ 465.616504][ T9608]
[ 465.616530][ T9608] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 465.798260][ T9614] loop2: detected capacity change from 0 to 32768
[ 465.807404][ T9608] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 465.967079][ T9583] gfs2: fsid=syz:syz.0: can't create logd thread: -4
[ 465.988425][ T9614] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 465.995826][ T9614] CPU: 1 UID: 0 PID: 9614 Comm: syz.2.862 Not tainted syzkaller #0 PREEMPT(full)
[ 465.995847][ T9614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 465.995857][ T9614] Call Trace:
[ 465.995864][ T9614]
[ 465.995871][ T9614] dump_stack_lvl+0x189/0x250
[ 465.995898][ T9614] ? __pfx_dump_stack_lvl+0x10/0x10
[ 465.995917][ T9614] ? __pfx__printk+0x10/0x10
[ 465.995944][ T9614] ? kernfs_path_from_node+0x250/0x290
[ 465.995960][ T9614] ? kernfs_path_from_node+0x2f/0x290
[ 465.995979][ T9614] sysfs_create_dir_ns+0x259/0x280
[ 465.996006][ T9614] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 465.996039][ T9614] ? do_raw_spin_unlock+0x122/0x240
[ 465.996063][ T9614] kobject_add_internal+0x59f/0xb40
[ 465.996094][ T9614] kobject_init_and_add+0x125/0x190
[ 465.996121][ T9614] ? __pfx_kobject_init_and_add+0x10/0x10
[ 465.996144][ T9614] ? __raw_spin_lock_init+0x45/0x100
[ 465.996165][ T9614] ? __init_swait_queue_head+0xa9/0x150
[ 465.996187][ T9614] gfs2_sys_fs_add+0x234/0x450
[ 465.996211][ T9614] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 465.996237][ T9614] ? is_dynamic_key+0xd6/0x1c0
[ 465.996258][ T9614] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 465.996288][ T9614] gfs2_fill_super+0x13c0/0x20d0
[ 465.996317][ T9614] ? __pfx_gfs2_fill_super+0x10/0x10
[ 465.996336][ T9614] ? sb_set_blocksize+0x104/0x180
[ 465.996358][ T9614] ? setup_bdev_super+0x4c1/0x5b0
[ 465.996379][ T9614] get_tree_bdev_flags+0x40e/0x4d0
[ 465.996397][ T9614] ? __pfx_gfs2_fill_super+0x10/0x10
[ 465.996412][ T9614] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 465.996428][ T9614] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 465.996460][ T9614] gfs2_get_tree+0x51/0x1e0
[ 465.996478][ T9614] vfs_get_tree+0x92/0x2b0
[ 465.996500][ T9614] do_new_mount+0x302/0x9e0
[ 465.996519][ T9614] ? apparmor_capable+0x137/0x1b0
[ 465.996544][ T9614] ? __pfx_do_new_mount+0x10/0x10
[ 465.996565][ T9614] ? ns_capable+0x8a/0xf0
[ 465.996589][ T9614] ? kmem_cache_free+0x19b/0x690
[ 465.996620][ T9614] __se_sys_mount+0x313/0x410
[ 465.996645][ T9614] ? __pfx___se_sys_mount+0x10/0x10
[ 465.996669][ T9614] ? do_syscall_64+0xbe/0xfa0
[ 465.996687][ T9614] ? __x64_sys_mount+0x20/0xc0
[ 465.996707][ T9614] do_syscall_64+0xfa/0xfa0
[ 465.996723][ T9614] ? lockdep_hardirqs_on+0x9c/0x150
[ 465.996741][ T9614] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 465.996757][ T9614] ? clear_bhb_loop+0x60/0xb0
[ 465.996776][ T9614] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 465.996792][ T9614] RIP: 0033:0x7f7d5619034a
[ 465.996808][ T9614] 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
[ 465.996822][ T9614] RSP: 002b:00007f7d56fd3e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 465.996838][ T9614] RAX: ffffffffffffffda RBX: 00007f7d56fd3ef0 RCX: 00007f7d5619034a
[ 465.996848][ T9614] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007f7d56fd3eb0
[ 465.996858][ T9614] RBP: 0000200000000240 R08: 00007f7d56fd3ef0 R09: 0000000001000800
[ 465.996868][ T9614] R10: 0000000001000800 R11: 0000000000000246 R12: 0000200000001c00
[ 465.996877][ T9614] R13: 00007f7d56fd3eb0 R14: 0000000000012601 R15: 00002000000003c0
[ 465.996900][ T9614]
[ 465.996930][ T9614] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 466.328814][ T9614] gfs2: fsid=syz:syz: error -17 adding sysfs files