7/0x1a0
[ 326.541627][ T8239] ? __pfx_do_new_mount+0x10/0x10
[ 326.541646][ T8239] ? ns_capable+0x8a/0xf0
[ 326.541667][ T8239] ? kmem_cache_free+0x197/0x620
[ 326.541694][ T8239] __se_sys_mount+0x313/0x410
[ 326.541720][ T8239] ? __pfx___se_sys_mount+0x10/0x10
[ 326.541744][ T8239] ? do_syscall_64+0xbe/0xf80
[ 326.541759][ T8239] ? __x64_sys_mount+0x20/0xc0
[ 326.541780][ T8239] do_syscall_64+0xfa/0xf80
[ 326.541797][ T8239] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 326.541813][ T8239] ? clear_bhb_loop+0x60/0xb0
[ 326.541842][ T8239] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 326.541859][ T8239] RIP: 0033:0x7f8e0b990eea
[ 326.541877][ T8239] 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
[ 326.541892][ T8239] RSP: 002b:00007f8e0c766e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 326.541910][ T8239] RAX: ffffffffffffffda RBX: 00007f8e0c766ef0 RCX: 00007f8e0b990eea
[ 326.541923][ T8239] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f8e0c766eb0
[ 326.541935][ T8239] RBP: 00002000000124c0 R08: 00007f8e0c766ef0 R09: 0000000000000000
[ 326.541946][ T8239] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 326.541958][ T8239] R13: 00007f8e0c766eb0 R14: 00000000000125c7 R15: 0000200000000180
[ 326.541987][ T8239]
[ 326.542070][ T8239] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 326.874318][ T8239] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 327.043698][ T8245] loop2: detected capacity change from 0 to 32768
[ 327.111401][ T8245] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 327.160702][ T8244] loop0: detected capacity change from 0 to 32768
[ 327.176159][ T8245] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 327.187559][ T8244] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 327.207937][ T8244] CPU: 1 UID: 0 PID: 8244 Comm: syz.0.328 Not tainted syzkaller #0 PREEMPT(full)
[ 327.207962][ T8244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 327.207974][ T8244] Call Trace:
[ 327.207982][ T8244]
[ 327.207991][ T8244] dump_stack_lvl+0x189/0x250
[ 327.208027][ T8244] ? __pfx_dump_stack_lvl+0x10/0x10
[ 327.208049][ T8244] ? __pfx__printk+0x10/0x10
[ 327.208079][ T8244] ? kernfs_path_from_node+0x250/0x290
[ 327.208099][ T8244] ? kernfs_path_from_node+0x2f/0x290
[ 327.208122][ T8244] sysfs_create_dir_ns+0x259/0x280
[ 327.208145][ T8244] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 327.208166][ T8244] ? do_raw_spin_unlock+0x122/0x240
[ 327.208196][ T8244] kobject_add_internal+0x6ab/0xcc0
[ 327.208226][ T8244] kobject_init_and_add+0x125/0x190
[ 327.208268][ T8244] ? __pfx_kobject_init_and_add+0x10/0x10
[ 327.208290][ T8244] ? __raw_spin_lock_init+0x45/0x100
[ 327.208315][ T8244] ? __init_swait_queue_head+0xa9/0x150
[ 327.208342][ T8244] gfs2_sys_fs_add+0x234/0x450
[ 327.208367][ T8244] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 327.208399][ T8244] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 327.208437][ T8244] gfs2_fill_super+0x1388/0x21b0
[ 327.208471][ T8244] ? __pfx_gfs2_fill_super+0x10/0x10
[ 327.208494][ T8244] ? sb_set_blocksize+0x155/0x240
[ 327.208517][ T8244] ? setup_bdev_super+0x4c1/0x5b0
[ 327.208539][ T8244] get_tree_bdev_flags+0x40e/0x4d0
[ 327.208556][ T8244] ? __pfx_gfs2_fill_super+0x10/0x10
[ 327.208570][ T8244] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 327.208584][ T8244] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 327.208617][ T8244] gfs2_get_tree+0x51/0x1e0
[ 327.208634][ T8244] vfs_get_tree+0x92/0x2a0
[ 327.208654][ T8244] do_new_mount+0x302/0xa10
[ 327.208672][ T8244] ? apparmor_capable+0x137/0x1a0
[ 327.208696][ T8244] ? __pfx_do_new_mount+0x10/0x10
[ 327.208715][ T8244] ? ns_capable+0x8a/0xf0
[ 327.208737][ T8244] ? kmem_cache_free+0x197/0x620
[ 327.208765][ T8244] __se_sys_mount+0x313/0x410
[ 327.208793][ T8244] ? __pfx___se_sys_mount+0x10/0x10
[ 327.208819][ T8244] ? do_syscall_64+0xbe/0xf80
[ 327.208835][ T8244] ? __x64_sys_mount+0x20/0xc0
[ 327.208860][ T8244] do_syscall_64+0xfa/0xf80
[ 327.208878][ T8244] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 327.208896][ T8244] ? clear_bhb_loop+0x60/0xb0
[ 327.208918][ T8244] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 327.208936][ T8244] RIP: 0033:0x7fce4af90eea
[ 327.208954][ T8244] 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
[ 327.208969][ T8244] RSP: 002b:00007fce4bdf7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 327.208989][ T8244] RAX: ffffffffffffffda RBX: 00007fce4bdf7ef0 RCX: 00007fce4af90eea
[ 327.209010][ T8244] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fce4bdf7eb0
[ 327.209022][ T8244] RBP: 00002000000124c0 R08: 00007fce4bdf7ef0 R09: 0000000000000000
[ 327.209034][ T8244] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 327.209046][ T8244] R13: 00007fce4bdf7eb0 R14: 00000000000125c7 R15: 0000200000000180
[ 327.209078][ T8244]
[ 327.209105][ T8244] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 327.256338][ T8245] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 327.261145][ T8244] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 327.576989][ T6789] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 327.590917][ T6789] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 327.737089][ T6789] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 146ms
[ 327.803090][ T6789] gfs2: fsid=syz:syz.0: jid=0: Done
[ 327.808364][ T8245] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 327.981895][ T8245] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 328.024502][ T8245] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[ 328.027752][ T8251] loop3: detected capacity change from 0 to 32768
[ 328.075706][ T8245] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[ 328.115483][ T8251] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 328.128299][ T8245] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:8245 [syz.2.326] gfs2_quota_sync+0x359/0x460
[ 328.142005][ T8251] CPU: 0 UID: 0 PID: 8251 Comm: syz.3.329 Not tainted syzkaller #0 PREEMPT(full)
[ 328.142030][ T8251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 328.142042][ T8251] Call Trace:
[ 328.142050][ T8251]
[ 328.142059][ T8251] dump_stack_lvl+0x189/0x250
[ 328.142087][ T8251] ? __pfx_dump_stack_lvl+0x10/0x10
[ 328.142106][ T8251] ? __pfx__printk+0x10/0x10
[ 328.142135][ T8251] ? kernfs_path_from_node+0x250/0x290
[ 328.142154][ T8251] ? kernfs_path_from_node+0x2f/0x290
[ 328.142177][ T8251] sysfs_create_dir_ns+0x259/0x280
[ 328.142199][ T8251] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 328.142221][ T8251] ? do_raw_spin_unlock+0x122/0x240
[ 328.142247][ T8251] kobject_add_internal+0x6ab/0xcc0
[ 328.142276][ T8251] kobject_init_and_add+0x125/0x190
[ 328.142302][ T8251] ? __pfx_kobject_init_and_add+0x10/0x10
[ 328.142323][ T8251] ? __raw_spin_lock_init+0x45/0x100
[ 328.142348][ T8251] ? __init_swait_queue_head+0xa9/0x150
[ 328.142375][ T8251] gfs2_sys_fs_add+0x234/0x450
[ 328.142396][ T8251] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 328.142425][ T8251] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 328.142455][ T8251] gfs2_fill_super+0x1388/0x21b0
[ 328.142482][ T8251] ? __pfx_gfs2_fill_super+0x10/0x10
[ 328.142501][ T8251] ? sb_set_blocksize+0x155/0x240
[ 328.142519][ T8251] ? setup_bdev_super+0x4c1/0x5b0
[ 328.142557][ T8251] get_tree_bdev_flags+0x40e/0x4d0
[ 328.142575][ T8251] ? __pfx_gfs2_fill_super+0x10/0x10
[ 328.142590][ T8251] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 328.142605][ T8251] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 328.142635][ T8251] gfs2_get_tree+0x51/0x1e0
[ 328.142655][ T8251] vfs_get_tree+0x92/0x2a0
[ 328.142674][ T8251] do_new_mount+0x302/0xa10
[ 328.142692][ T8251] ? apparmor_capable+0x137/0x1a0
[ 328.142716][ T8251] ? __pfx_do_new_mount+0x10/0x10
[ 328.142734][ T8251] ? ns_capable+0x8a/0xf0
[ 328.142751][ T8251] ? kmem_cache_free+0x197/0x620
[ 328.142778][ T8251] __se_sys_mount+0x313/0x410
[ 328.142803][ T8251] ? __pfx___se_sys_mount+0x10/0x10
[ 328.142827][ T8251] ? do_syscall_64+0xbe/0xf80
[ 328.142843][ T8251] ? __x64_sys_mount+0x20/0xc0
[ 328.142862][ T8251] do_syscall_64+0xfa/0xf80
[ 328.142878][ T8251] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 328.142893][ T8251] ? clear_bhb_loop+0x60/0xb0
[ 328.142919][ T8251] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 328.142935][ T8251] RIP: 0033:0x7f28b5590eea
[ 328.142949][ T8251] 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
[ 328.142962][ T8251] RSP: 002b:00007f28b63fce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 328.142980][ T8251] RAX: ffffffffffffffda RBX: 00007f28b63fcef0 RCX: 00007f28b5590eea
[ 328.142991][ T8251] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f28b63fceb0
[ 328.143001][ T8251] RBP: 00002000000124c0 R08: 00007f28b63fcef0 R09: 0000000000000000
[ 328.143012][ T8251] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 328.143021][ T8251] R13: 00007f28b63fceb0 R14: 00000000000125c7 R15: 0000200000000180
[ 328.143046][ T8251]
[ 328.143567][ T8251] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 328.233633][ T8245] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[ 328.234777][ T8251] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 328.239765][ T8245] CPU: 1 UID: 0 PID: 8245 Comm: syz.2.326 Not tainted syzkaller #0 PREEMPT(full)
[ 328.239788][ T8245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 328.239800][ T8245] Call Trace:
[ 328.239808][ T8245]
[ 328.239816][ T8245] dump_stack_lvl+0x189/0x250
[ 328.239847][ T8245] ? __pfx_dump_stack_lvl+0x10/0x10
[ 328.239868][ T8245] ? queue_delayed_work_on+0x11a/0x280
[ 328.239891][ T8245] ? lockdep_hardirqs_on+0x98/0x140
[ 328.239908][ T8245] ? preempt_schedule+0xae/0xc0
[ 328.239947][ T8245] gfs2_withdraw+0xc3/0x1b0
[ 328.239967][ T8245] inode_go_instantiate+0xdd0/0x1210
[ 328.240001][ T8245] ? __pfx_inode_go_instantiate+0x10/0x10
[ 328.240029][ T8245] ? gfs2_glock_nq+0xedd/0x15f0
[ 328.240054][ T8245] gfs2_instantiate+0x168/0x220
[ 328.240075][ T8245] gfs2_glock_wait+0x1d4/0x2a0
[ 328.240097][ T8245] do_sync+0x46f/0xc60
[ 328.240118][ T8245] ? _raw_spin_unlock+0x28/0x50
[ 328.240140][ T8245] ? gfs2_quota_sync+0x359/0x460
[ 328.240175][ T8245] ? __pfx_do_sync+0x10/0x10
[ 328.240206][ T8245] ? gfs2_quota_sync+0x359/0x460
[ 328.240230][ T8245] ? do_raw_spin_unlock+0x122/0x240
[ 328.240259][ T8245] gfs2_quota_sync+0x359/0x460
[ 328.240291][ T8245] gfs2_sync_fs+0x4c/0xb0
[ 328.240312][ T8245] sync_filesystem+0xee/0x230
[ 328.240340][ T8245] gfs2_reconfigure+0xbb/0xb20
[ 328.240357][ T8245] ? _raw_spin_unlock+0x28/0x50
[ 328.240378][ T8245] ? sb_prepare_remount_readonly+0x471/0x4b0
[ 328.240406][ T8245] reconfigure_super+0x227/0x880
[ 328.240440][ T8245] path_mount+0xd29/0xff0
[ 328.240459][ T8245] ? kmem_cache_free+0x197/0x620
[ 328.240487][ T8245] __se_sys_mount+0x313/0x410
[ 328.240515][ T8245] ? __pfx___se_sys_mount+0x10/0x10
[ 328.240540][ T8245] ? do_syscall_64+0xbe/0xf80
[ 328.240555][ T8245] ? __x64_sys_mount+0x20/0xc0
[ 328.240579][ T8245] do_syscall_64+0xfa/0xf80
[ 328.240597][ T8245] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 328.240614][ T8245] ? clear_bhb_loop+0x60/0xb0
[ 328.240635][ T8245] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 328.240652][ T8245] RIP: 0033:0x7fde5b590eea
[ 328.240670][ T8245] 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
[ 328.240685][ T8245] RSP: 002b:00007fde5c50de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 328.240704][ T8245] RAX: ffffffffffffffda RBX: 00007fde5c50def0 RCX: 00007fde5b590eea
[ 328.240718][ T8245] RDX: 00002000000003c0 RSI: 0000200000000340 RDI: 0000000000000000
[ 328.240730][ T8245] RBP: 00002000000003c0 R08: 00007fde5c50def0 R09: 000000000126a4b5
[ 328.240743][ T8245] R10: 000000000126a4b5 R11: 0000000000000246 R12: 0000200000000340
[ 328.240755][ T8245] R13: 00007fde5c50deb0 R14: 0000000000000000 R15: 0000200000004140
[ 328.240786][ T8245]
[ 328.240793][ T8245] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 328.796019][ T8255] loop4: detected capacity change from 0 to 32768
[ 328.841185][ T8257] loop1: detected capacity change from 0 to 32768
[ 328.872229][ T6789] gfs2: fsid=syz:syz.0: file system withdrawn
[ 328.948332][ T8255] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 328.956180][ T8255] CPU: 1 UID: 0 PID: 8255 Comm: syz.4.330 Not tainted syzkaller #0 PREEMPT(full)
[ 328.956206][ T8255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 328.956218][ T8255] Call Trace:
[ 328.956226][ T8255]
[ 328.956234][ T8255] dump_stack_lvl+0x189/0x250
[ 328.956269][ T8255] ? __pfx_dump_stack_lvl+0x10/0x10
[ 328.956291][ T8255] ? __pfx__printk+0x10/0x10
2025/12/08 06:35:29 executed programs: 327
[ 328.956321][ T8255] ? kernfs_path_from_node+0x250/0x290
[ 328.956341][ T8255] ? kernfs_path_from_node+0x2f/0x290
[ 328.956364][ T8255] sysfs_create_dir_ns+0x259/0x280
[ 328.956386][ T8255] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 328.956408][ T8255] ? do_raw_spin_unlock+0x122/0x240
[ 328.956437][ T8255] kobject_add_internal+0x6ab/0xcc0
[ 328.956465][ T8255] kobject_init_and_add+0x125/0x190
[ 328.956491][ T8255] ? __pfx_kobject_init_and_add+0x10/0x10
[ 328.956513][ T8255] ? __raw_spin_lock_init+0x45/0x100
[ 328.956539][ T8255] ? __init_swait_queue_head+0xa9/0x150
[ 328.956565][ T8255] gfs2_sys_fs_add+0x234/0x450
[ 328.956590][ T8255] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 328.956621][ T8255] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 328.956658][ T8255] gfs2_fill_super+0x1388/0x21b0
[ 328.956693][ T8255] ? __pfx_gfs2_fill_super+0x10/0x10
[ 328.956716][ T8255] ? sb_set_blocksize+0x155/0x240
[ 328.956738][ T8255] ? setup_bdev_super+0x4c1/0x5b0
[ 328.956760][ T8255] get_tree_bdev_flags+0x40e/0x4d0
[ 328.956779][ T8255] ? __pfx_gfs2_fill_super+0x10/0x10
[ 328.956797][ T8255] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 328.956814][ T8255] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 328.956857][ T8255] gfs2_get_tree+0x51/0x1e0
[ 328.956876][ T8255] vfs_get_tree+0x92/0x2a0
[ 328.956896][ T8255] do_new_mount+0x302/0xa10
[ 328.956917][ T8255] ? apparmor_capable+0x137/0x1a0
[ 328.956945][ T8255] ? __pfx_do_new_mount+0x10/0x10
[ 328.956966][ T8255] ? ns_capable+0x8a/0xf0
[ 328.957006][ T8255] ? kmem_cache_free+0x197/0x620
[ 328.957035][ T8255] __se_sys_mount+0x313/0x410
[ 328.957063][ T8255] ? __pfx___se_sys_mount+0x10/0x10
[ 328.957089][ T8255] ? do_syscall_64+0xbe/0xf80
[ 328.957105][ T8255] ? __x64_sys_mount+0x20/0xc0
[ 328.957129][ T8255] do_syscall_64+0xfa/0xf80
[ 328.957146][ T8255] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 328.957165][ T8255] ? clear_bhb_loop+0x60/0xb0
[ 328.957187][ T8255] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 328.957204][ T8255] RIP: 0033:0x7fde84590eea
[ 328.957223][ T8255] 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
[ 328.957238][ T8255] RSP: 002b:00007fde83bfde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 328.957259][ T8255] RAX: ffffffffffffffda RBX: 00007fde83bfdef0 RCX: 00007fde84590eea
[ 328.957273][ T8255] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fde83bfdeb0
[ 328.957286][ T8255] RBP: 00002000000124c0 R08: 00007fde83bfdef0 R09: 0000000000000000
[ 328.957299][ T8255] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 328.957311][ T8255] R13: 00007fde83bfdeb0 R14: 00000000000125c7 R15: 0000200000000180
[ 328.957342][ T8255]
[ 328.957368][ T8255] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 329.012652][ T8257] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 329.290698][ T8255] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 329.410920][ T8257] CPU: 0 UID: 0 PID: 8257 Comm: syz.1.331 Not tainted syzkaller #0 PREEMPT(full)
[ 329.410946][ T8257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 329.410958][ T8257] Call Trace:
[ 329.410966][ T8257]
[ 329.410975][ T8257] dump_stack_lvl+0x189/0x250
[ 329.411004][ T8257] ? __pfx_dump_stack_lvl+0x10/0x10
[ 329.411024][ T8257] ? __pfx__printk+0x10/0x10
[ 329.411052][ T8257] ? kernfs_path_from_node+0x250/0x290
[ 329.411071][ T8257] ? kernfs_path_from_node+0x2f/0x290
[ 329.411092][ T8257] sysfs_create_dir_ns+0x259/0x280
[ 329.411113][ T8257] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 329.411132][ T8257] ? do_raw_spin_unlock+0x122/0x240
[ 329.411160][ T8257] kobject_add_internal+0x6ab/0xcc0
[ 329.411190][ T8257] kobject_init_and_add+0x125/0x190
[ 329.411216][ T8257] ? __pfx_kobject_init_and_add+0x10/0x10
[ 329.411238][ T8257] ? __raw_spin_lock_init+0x45/0x100
[ 329.411263][ T8257] ? __init_swait_queue_head+0xa9/0x150
[ 329.411290][ T8257] gfs2_sys_fs_add+0x234/0x450
[ 329.411315][ T8257] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 329.411346][ T8257] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 329.411384][ T8257] gfs2_fill_super+0x1388/0x21b0
[ 329.411418][ T8257] ? __pfx_gfs2_fill_super+0x10/0x10
[ 329.411441][ T8257] ? sb_set_blocksize+0x155/0x240
[ 329.411464][ T8257] ? setup_bdev_super+0x4c1/0x5b0
[ 329.411486][ T8257] get_tree_bdev_flags+0x40e/0x4d0
[ 329.411505][ T8257] ? __pfx_gfs2_fill_super+0x10/0x10
[ 329.411523][ T8257] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 329.411540][ T8257] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 329.411568][ T8257] gfs2_get_tree+0x51/0x1e0
[ 329.411584][ T8257] vfs_get_tree+0x92/0x2a0
[ 329.411601][ T8257] do_new_mount+0x302/0xa10
[ 329.411619][ T8257] ? apparmor_capable+0x137/0x1a0
[ 329.411647][ T8257] ? __pfx_do_new_mount+0x10/0x10
[ 329.411668][ T8257] ? ns_capable+0x8a/0xf0
[ 329.411689][ T8257] ? kmem_cache_free+0x197/0x620
[ 329.411719][ T8257] __se_sys_mount+0x313/0x410
[ 329.411746][ T8257] ? __pfx___se_sys_mount+0x10/0x10
[ 329.411771][ T8257] ? do_syscall_64+0xbe/0xf80
[ 329.411787][ T8257] ? __x64_sys_mount+0x20/0xc0
[ 329.411820][ T8257] do_syscall_64+0xfa/0xf80
[ 329.411838][ T8257] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 329.411856][ T8257] ? clear_bhb_loop+0x60/0xb0
[ 329.411878][ T8257] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 329.411896][ T8257] RIP: 0033:0x7f8e0b990eea
[ 329.411913][ T8257] 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
[ 329.411930][ T8257] RSP: 002b:00007f8e0c766e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 329.411949][ T8257] RAX: ffffffffffffffda RBX: 00007f8e0c766ef0 RCX: 00007f8e0b990eea
[ 329.411963][ T8257] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f8e0c766eb0
[ 329.411977][ T8257] RBP: 00002000000124c0 R08: 00007f8e0c766ef0 R09: 0000000000000000
[ 329.411990][ T8257] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 329.412001][ T8257] R13: 00007f8e0c766eb0 R14: 00000000000125c7 R15: 0000200000000180
[ 329.412027][ T8257]
[ 329.412054][ T8257] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 329.750660][ T8267] loop0: detected capacity change from 0 to 32768
[ 329.766557][ T8257] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 329.843045][ T8267] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 329.902445][ T8267] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 329.974473][ T8267] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 330.016495][ T6789] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 330.033118][ T6789] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 330.086300][ T6789] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 53ms
[ 330.101181][ T6789] gfs2: fsid=syz:syz.0: jid=0: Done
[ 330.109928][ T8267] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 330.269929][ T8270] loop3: detected capacity change from 0 to 32768
[ 330.298414][ T8270] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 330.315239][ T8270] CPU: 0 UID: 0 PID: 8270 Comm: syz.3.333 Not tainted syzkaller #0 PREEMPT(full)
[ 330.315266][ T8270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 330.315278][ T8270] Call Trace:
[ 330.315291][ T8270]
[ 330.315299][ T8270] dump_stack_lvl+0x189/0x250
[ 330.315329][ T8270] ? __pfx_dump_stack_lvl+0x10/0x10
[ 330.315350][ T8270] ? __pfx__printk+0x10/0x10
[ 330.315380][ T8270] ? kernfs_path_from_node+0x250/0x290
[ 330.315400][ T8270] ? kernfs_path_from_node+0x2f/0x290
[ 330.315423][ T8270] sysfs_create_dir_ns+0x259/0x280
[ 330.315444][ T8270] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 330.315464][ T8270] ? do_raw_spin_unlock+0x122/0x240
[ 330.315492][ T8270] kobject_add_internal+0x6ab/0xcc0
[ 330.315527][ T8270] kobject_init_and_add+0x125/0x190
[ 330.315552][ T8270] ? __pfx_kobject_init_and_add+0x10/0x10
[ 330.315574][ T8270] ? __raw_spin_lock_init+0x45/0x100
[ 330.315599][ T8270] ? __init_swait_queue_head+0xa9/0x150
[ 330.315626][ T8270] gfs2_sys_fs_add+0x234/0x450
[ 330.315651][ T8270] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 330.315682][ T8270] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 330.315721][ T8270] gfs2_fill_super+0x1388/0x21b0
[ 330.315753][ T8270] ? __pfx_gfs2_fill_super+0x10/0x10
[ 330.315776][ T8270] ? sb_set_blocksize+0x155/0x240
[ 330.315798][ T8270] ? setup_bdev_super+0x4c1/0x5b0
[ 330.315820][ T8270] get_tree_bdev_flags+0x40e/0x4d0
[ 330.315838][ T8270] ? __pfx_gfs2_fill_super+0x10/0x10
[ 330.315855][ T8270] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 330.315871][ T8270] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 330.315903][ T8270] gfs2_get_tree+0x51/0x1e0
[ 330.315922][ T8270] vfs_get_tree+0x92/0x2a0
[ 330.315941][ T8270] do_new_mount+0x302/0xa10
[ 330.315960][ T8270] ? apparmor_capable+0x137/0x1a0
[ 330.315985][ T8270] ? __pfx_do_new_mount+0x10/0x10
[ 330.316006][ T8270] ? ns_capable+0x8a/0xf0
[ 330.316028][ T8270] ? kmem_cache_free+0x197/0x620
[ 330.316056][ T8270] __se_sys_mount+0x313/0x410
[ 330.316081][ T8270] ? __pfx___se_sys_mount+0x10/0x10
[ 330.316104][ T8270] ? do_syscall_64+0xbe/0xf80
[ 330.316120][ T8270] ? __x64_sys_mount+0x20/0xc0
[ 330.316143][ T8270] do_syscall_64+0xfa/0xf80
[ 330.316160][ T8270] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 330.316178][ T8270] ? clear_bhb_loop+0x60/0xb0
[ 330.316200][ T8270] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 330.316217][ T8270] RIP: 0033:0x7f28b5590eea
[ 330.316233][ T8270] 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
[ 330.316249][ T8270] RSP: 002b:00007f28b63dbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 330.316269][ T8270] RAX: ffffffffffffffda RBX: 00007f28b63dbef0 RCX: 00007f28b5590eea
[ 330.316283][ T8270] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f28b63dbeb0
[ 330.316296][ T8270] RBP: 00002000000124c0 R08: 00007f28b63dbef0 R09: 0000000000000000
[ 330.316309][ T8270] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 330.316321][ T8270] R13: 00007f28b63dbeb0 R14: 00000000000125c7 R15: 0000200000000180
[ 330.316352][ T8270]
[ 330.366086][ T8267] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 330.633973][ T8270] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 330.664581][ T8270] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 330.711208][ T8267] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[ 330.814944][ T8267] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[ 330.857208][ T8267] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:8267 [syz.0.332] gfs2_quota_sync+0x359/0x460
[ 330.904229][ T8267] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[ 330.941242][ T8267] CPU: 0 UID: 0 PID: 8267 Comm: syz.0.332 Not tainted syzkaller #0 PREEMPT(full)
[ 330.941272][ T8267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 330.941285][ T8267] Call Trace:
[ 330.941293][ T8267]
[ 330.941302][ T8267] dump_stack_lvl+0x189/0x250
[ 330.941333][ T8267] ? __pfx_dump_stack_lvl+0x10/0x10
[ 330.941363][ T8267] ? queue_delayed_work_on+0x11a/0x280
[ 330.941384][ T8267] ? lockdep_hardirqs_on+0x98/0x140
[ 330.941399][ T8267] ? preempt_schedule+0xae/0xc0
[ 330.941426][ T8267] gfs2_withdraw+0xc3/0x1b0
[ 330.941442][ T8267] inode_go_instantiate+0xdd0/0x1210
[ 330.941473][ T8267] ? __pfx_inode_go_instantiate+0x10/0x10
[ 330.941500][ T8267] ? gfs2_glock_nq+0xedd/0x15f0
[ 330.941526][ T8267] gfs2_instantiate+0x168/0x220
[ 330.941549][ T8267] gfs2_glock_wait+0x1d4/0x2a0
[ 330.941572][ T8267] do_sync+0x46f/0xc60
[ 330.941593][ T8267] ? _raw_spin_unlock+0x28/0x50
[ 330.941616][ T8267] ? gfs2_quota_sync+0x359/0x460
[ 330.941655][ T8267] ? __pfx_do_sync+0x10/0x10
[ 330.941688][ T8267] ? gfs2_quota_sync+0x359/0x460
[ 330.941713][ T8267] ? do_raw_spin_unlock+0x122/0x240
[ 330.941742][ T8267] gfs2_quota_sync+0x359/0x460
[ 330.941776][ T8267] gfs2_sync_fs+0x4c/0xb0
[ 330.941799][ T8267] sync_filesystem+0xee/0x230
[ 330.941827][ T8267] gfs2_reconfigure+0xbb/0xb20
[ 330.941845][ T8267] ? _raw_spin_unlock+0x28/0x50
[ 330.941866][ T8267] ? sb_prepare_remount_readonly+0x471/0x4b0
[ 330.941896][ T8267] reconfigure_super+0x227/0x880
[ 330.941930][ T8267] path_mount+0xd29/0xff0
[ 330.941950][ T8267] ? kmem_cache_free+0x197/0x620
[ 330.941981][ T8267] __se_sys_mount+0x313/0x410
[ 330.942009][ T8267] ? __pfx___se_sys_mount+0x10/0x10
[ 330.942036][ T8267] ? do_syscall_64+0xbe/0xf80
[ 330.942052][ T8267] ? __x64_sys_mount+0x20/0xc0
[ 330.942076][ T8267] do_syscall_64+0xfa/0xf80
[ 330.942095][ T8267] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 330.942114][ T8267] ? clear_bhb_loop+0x60/0xb0
[ 330.942136][ T8267] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 330.942154][ T8267] RIP: 0033:0x7fce4af90eea
[ 330.942172][ T8267] 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
[ 330.942188][ T8267] RSP: 002b:00007fce4bdf7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 330.942208][ T8267] RAX: ffffffffffffffda RBX: 00007fce4bdf7ef0 RCX: 00007fce4af90eea
[ 330.942223][ T8267] RDX: 00002000000003c0 RSI: 0000200000000340 RDI: 0000000000000000
[ 330.942251][ T8267] RBP: 00002000000003c0 R08: 00007fce4bdf7ef0 R09: 000000000126a4b5
[ 330.942265][ T8267] R10: 000000000126a4b5 R11: 0000000000000246 R12: 0000200000000340
[ 330.942278][ T8267] R13: 00007fce4bdf7eb0 R14: 0000000000000000 R15: 0000200000004140
[ 330.942311][ T8267]
[ 330.942319][ T8267] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 331.271770][ T6650] gfs2: fsid=syz:syz.0: file system withdrawn
[ 331.315676][ T8277] loop4: detected capacity change from 0 to 32768
[ 331.330129][ T8281] loop2: detected capacity change from 0 to 32768
[ 331.409821][ T8277] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 331.427463][ T8277] CPU: 0 UID: 0 PID: 8277 Comm: syz.4.335 Not tainted syzkaller #0 PREEMPT(full)
[ 331.427488][ T8277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 331.427499][ T8277] Call Trace:
[ 331.427507][ T8277]
[ 331.427515][ T8277] dump_stack_lvl+0x189/0x250
[ 331.427543][ T8277] ? __pfx_dump_stack_lvl+0x10/0x10
[ 331.427563][ T8277] ? __pfx__printk+0x10/0x10
[ 331.427592][ T8277] ? kernfs_path_from_node+0x250/0x290
[ 331.427609][ T8277] ? kernfs_path_from_node+0x2f/0x290
[ 331.427632][ T8277] sysfs_create_dir_ns+0x259/0x280
[ 331.427653][ T8277] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 331.427674][ T8277] ? do_raw_spin_unlock+0x122/0x240
[ 331.427701][ T8277] kobject_add_internal+0x6ab/0xcc0
[ 331.427729][ T8277] kobject_init_and_add+0x125/0x190
[ 331.427754][ T8277] ? __pfx_kobject_init_and_add+0x10/0x10
[ 331.427775][ T8277] ? __raw_spin_lock_init+0x45/0x100
[ 331.427798][ T8277] ? __init_swait_queue_head+0xa9/0x150
[ 331.427822][ T8277] gfs2_sys_fs_add+0x234/0x450
[ 331.427847][ T8277] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 331.427875][ T8277] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 331.427909][ T8277] gfs2_fill_super+0x1388/0x21b0
[ 331.427932][ T8277] ? __pfx_gfs2_fill_super+0x10/0x10
[ 331.427944][ T8277] ? sb_set_blocksize+0x155/0x240
[ 331.427957][ T8277] ? setup_bdev_super+0x4c1/0x5b0
[ 331.427969][ T8277] get_tree_bdev_flags+0x40e/0x4d0
[ 331.427980][ T8277] ? __pfx_gfs2_fill_super+0x10/0x10
[ 331.427989][ T8277] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 331.427998][ T8277] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 331.428018][ T8277] gfs2_get_tree+0x51/0x1e0
[ 331.428029][ T8277] vfs_get_tree+0x92/0x2a0
[ 331.428041][ T8277] do_new_mount+0x302/0xa10
[ 331.428053][ T8277] ? apparmor_capable+0x137/0x1a0
[ 331.428068][ T8277] ? __pfx_do_new_mount+0x10/0x10
[ 331.428080][ T8277] ? ns_capable+0x8a/0xf0
[ 331.428092][ T8277] ? kmem_cache_free+0x197/0x620
[ 331.428108][ T8277] __se_sys_mount+0x313/0x410
[ 331.428124][ T8277] ? __pfx___se_sys_mount+0x10/0x10
[ 331.428138][ T8277] ? do_syscall_64+0xbe/0xf80
[ 331.428147][ T8277] ? __x64_sys_mount+0x20/0xc0
[ 331.428160][ T8277] do_syscall_64+0xfa/0xf80
[ 331.428170][ T8277] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 331.428180][ T8277] ? clear_bhb_loop+0x60/0xb0
[ 331.428192][ T8277] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 331.428202][ T8277] RIP: 0033:0x7fde84590eea
[ 331.428212][ T8277] 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
[ 331.428221][ T8277] RSP: 002b:00007fde83bfde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 331.428233][ T8277] RAX: ffffffffffffffda RBX: 00007fde83bfdef0 RCX: 00007fde84590eea
[ 331.428241][ T8277] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fde83bfdeb0
[ 331.428248][ T8277] RBP: 00002000000124c0 R08: 00007fde83bfdef0 R09: 0000000000000000
[ 331.428255][ T8277] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 331.428262][ T8277] R13: 00007fde83bfdeb0 R14: 00000000000125c7 R15: 0000200000000180
[ 331.428278][ T8277]
[ 331.428295][ T8277] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 331.741958][ T8287] loop1: detected capacity change from 0 to 32768
[ 331.804963][ T8287] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 331.821427][ T8277] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 331.822169][ T8281] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 331.863438][ T8287] CPU: 1 UID: 0 PID: 8287 Comm: syz.1.336 Not tainted syzkaller #0 PREEMPT(full)
[ 331.863466][ T8287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 331.863478][ T8287] Call Trace:
[ 331.863486][ T8287]
[ 331.863495][ T8287] dump_stack_lvl+0x189/0x250
[ 331.863534][ T8287] ? __pfx_dump_stack_lvl+0x10/0x10
[ 331.863555][ T8287] ? __pfx__printk+0x10/0x10
[ 331.863585][ T8287] ? kernfs_path_from_node+0x250/0x290
[ 331.863613][ T8287] ? kernfs_path_from_node+0x2f/0x290
[ 331.863636][ T8287] sysfs_create_dir_ns+0x259/0x280
[ 331.863658][ T8287] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 331.863677][ T8287] ? do_raw_spin_unlock+0x122/0x240
[ 331.863701][ T8287] kobject_add_internal+0x6ab/0xcc0
[ 331.863726][ T8287] kobject_init_and_add+0x125/0x190
[ 331.863747][ T8287] ? __pfx_kobject_init_and_add+0x10/0x10
[ 331.863764][ T8287] ? __raw_spin_lock_init+0x45/0x100
[ 331.863785][ T8287] ? __init_swait_queue_head+0xa9/0x150
[ 331.863808][ T8287] gfs2_sys_fs_add+0x234/0x450
[ 331.863829][ T8287] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 331.863855][ T8287] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 331.863886][ T8287] gfs2_fill_super+0x1388/0x21b0
[ 331.863916][ T8287] ? __pfx_gfs2_fill_super+0x10/0x10
[ 331.863934][ T8287] ? sb_set_blocksize+0x155/0x240
[ 331.863952][ T8287] ? setup_bdev_super+0x4c1/0x5b0
[ 331.863970][ T8287] get_tree_bdev_flags+0x40e/0x4d0
[ 331.863985][ T8287] ? __pfx_gfs2_fill_super+0x10/0x10
[ 331.863999][ T8287] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 331.864012][ T8287] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 331.864043][ T8287] gfs2_get_tree+0x51/0x1e0
[ 331.864060][ T8287] vfs_get_tree+0x92/0x2a0
[ 331.864078][ T8287] do_new_mount+0x302/0xa10
[ 331.864094][ T8287] ? apparmor_capable+0x137/0x1a0
[ 331.864118][ T8287] ? __pfx_do_new_mount+0x10/0x10
[ 331.864136][ T8287] ? ns_capable+0x8a/0xf0
[ 331.864154][ T8287] ? kmem_cache_free+0x197/0x620
[ 331.864178][ T8287] __se_sys_mount+0x313/0x410
[ 331.864202][ T8287] ? __pfx___se_sys_mount+0x10/0x10
[ 331.864224][ T8287] ? do_syscall_64+0xbe/0xf80
[ 331.864237][ T8287] ? __x64_sys_mount+0x20/0xc0
[ 331.864256][ T8287] do_syscall_64+0xfa/0xf80
[ 331.864272][ T8287] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 331.864287][ T8287] ? clear_bhb_loop+0x60/0xb0
[ 331.864305][ T8287] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 331.864320][ T8287] RIP: 0033:0x7f8e0b990eea
[ 331.864335][ T8287] 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
[ 331.864349][ T8287] RSP: 002b:00007f8e0c766e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 331.864367][ T8287] RAX: ffffffffffffffda RBX: 00007f8e0c766ef0 RCX: 00007f8e0b990eea
[ 331.864378][ T8287] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f8e0c766eb0
[ 331.864389][ T8287] RBP: 00002000000124c0 R08: 00007f8e0c766ef0 R09: 0000000000000000
[ 331.864399][ T8287] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 331.864408][ T8287] R13: 00007f8e0c766eb0 R14: 00000000000125c7 R15: 0000200000000180
[ 331.864435][ T8287]
[ 331.864462][ T8287] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 331.972030][ T8281] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 332.168625][ T8287] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 332.343841][ T8281] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 332.371082][ T6789] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 332.377882][ T6789] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 332.491143][ T6789] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 113ms
[ 332.501467][ T6789] gfs2: fsid=syz:syz.0: jid=0: Done
[ 332.508231][ T8281] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 332.683746][ T8281] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 332.727096][ T8281] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[ 332.800989][ T8281] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[ 332.810237][ T8281] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:8281 [syz.2.334] gfs2_quota_sync+0x359/0x460
[ 332.881273][ T8281] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[ 332.889480][ T8281] CPU: 0 UID: 0 PID: 8281 Comm: syz.2.334 Not tainted syzkaller #0 PREEMPT(full)
[ 332.889505][ T8281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 332.889516][ T8281] Call Trace:
[ 332.889523][ T8281]
[ 332.889530][ T8281] dump_stack_lvl+0x189/0x250
[ 332.889554][ T8281] ? __pfx_dump_stack_lvl+0x10/0x10
[ 332.889571][ T8281] ? queue_delayed_work_on+0x11a/0x280
[ 332.889588][ T8281] ? lockdep_hardirqs_on+0x98/0x140
[ 332.889603][ T8281] ? preempt_schedule+0xae/0xc0
[ 332.889628][ T8281] gfs2_withdraw+0xc3/0x1b0
[ 332.889643][ T8281] inode_go_instantiate+0xdd0/0x1210
[ 332.889671][ T8281] ? __pfx_inode_go_instantiate+0x10/0x10
[ 332.889695][ T8281] ? gfs2_glock_nq+0xedd/0x15f0
[ 332.889714][ T8281] gfs2_instantiate+0x168/0x220
[ 332.889730][ T8281] gfs2_glock_wait+0x1d4/0x2a0
[ 332.889746][ T8281] do_sync+0x46f/0xc60
[ 332.889763][ T8281] ? _raw_spin_unlock+0x28/0x50
[ 332.889781][ T8281] ? gfs2_quota_sync+0x359/0x460
[ 332.889806][ T8281] ? __pfx_do_sync+0x10/0x10
[ 332.889830][ T8281] ? gfs2_quota_sync+0x359/0x460
[ 332.889849][ T8281] ? do_raw_spin_unlock+0x122/0x240
[ 332.889871][ T8281] gfs2_quota_sync+0x359/0x460
[ 332.889897][ T8281] gfs2_sync_fs+0x4c/0xb0
[ 332.889914][ T8281] sync_filesystem+0xee/0x230
[ 332.889936][ T8281] gfs2_reconfigure+0xbb/0xb20
[ 332.889949][ T8281] ? _raw_spin_unlock+0x28/0x50
[ 332.889966][ T8281] ? sb_prepare_remount_readonly+0x471/0x4b0
[ 332.889988][ T8281] reconfigure_super+0x227/0x880
[ 332.890015][ T8281] path_mount+0xd29/0xff0
[ 332.890030][ T8281] ? kmem_cache_free+0x197/0x620
[ 332.890053][ T8281] __se_sys_mount+0x313/0x410
[ 332.890074][ T8281] ? __pfx___se_sys_mount+0x10/0x10
[ 332.890095][ T8281] ? do_syscall_64+0xbe/0xf80
[ 332.890107][ T8281] ? __x64_sys_mount+0x20/0xc0
[ 332.890126][ T8281] do_syscall_64+0xfa/0xf80
[ 332.890139][ T8281] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 332.890153][ T8281] ? clear_bhb_loop+0x60/0xb0
[ 332.890170][ T8281] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 332.890184][ T8281] RIP: 0033:0x7fde5b590eea
[ 332.890203][ T8281] 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
[ 332.890215][ T8281] RSP: 002b:00007fde5c50de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 332.890231][ T8281] RAX: ffffffffffffffda RBX: 00007fde5c50def0 RCX: 00007fde5b590eea
[ 332.890242][ T8281] RDX: 00002000000003c0 RSI: 0000200000000340 RDI: 0000000000000000
[ 332.890252][ T8281] RBP: 00002000000003c0 R08: 00007fde5c50def0 R09: 000000000126a4b5
[ 332.890262][ T8281] R10: 000000000126a4b5 R11: 0000000000000246 R12: 0000200000000340
[ 332.890271][ T8281] R13: 00007fde5c50deb0 R14: 0000000000000000 R15: 0000200000004140
[ 332.890295][ T8281]
[ 332.890304][ T8281] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 333.189183][ T6650] gfs2: fsid=syz:syz.0: file system withdrawn
[ 333.287475][ T8289] loop3: detected capacity change from 0 to 32768
[ 333.343434][ T8289] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 333.398996][ T8289] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 333.436696][ T8289] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 333.464897][ T8299] loop4: detected capacity change from 0 to 32768
[ 333.474965][ T6602] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 333.493571][ T6602] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 333.544093][ T8299] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 333.570952][ T8299] CPU: 0 UID: 0 PID: 8299 Comm: syz.4.340 Not tainted syzkaller #0 PREEMPT(full)
[ 333.570978][ T8299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 333.570990][ T8299] Call Trace:
[ 333.570998][ T8299]
[ 333.571008][ T8299] dump_stack_lvl+0x189/0x250
[ 333.571037][ T8299] ? __pfx_dump_stack_lvl+0x10/0x10
[ 333.571059][ T8299] ? __pfx__printk+0x10/0x10
[ 333.571090][ T8299] ? kernfs_path_from_node+0x250/0x290
[ 333.571109][ T8299] ? kernfs_path_from_node+0x2f/0x290
[ 333.571132][ T8299] sysfs_create_dir_ns+0x259/0x280
[ 333.571154][ T8299] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 333.571176][ T8299] ? do_raw_spin_unlock+0x122/0x240
[ 333.571206][ T8299] kobject_add_internal+0x6ab/0xcc0
[ 333.571242][ T8299] kobject_init_and_add+0x125/0x190
[ 333.571273][ T8299] ? __pfx_kobject_init_and_add+0x10/0x10
[ 333.571296][ T8299] ? __raw_spin_lock_init+0x45/0x100
[ 333.571321][ T8299] ? __init_swait_queue_head+0xa9/0x150
[ 333.571348][ T8299] gfs2_sys_fs_add+0x234/0x450
[ 333.571372][ T8299] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 333.571406][ T8299] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 333.571454][ T8299] gfs2_fill_super+0x1388/0x21b0
[ 333.571526][ T8299] ? __pfx_gfs2_fill_super+0x10/0x10
[ 333.571549][ T8299] ? sb_set_blocksize+0x155/0x240
[ 333.571571][ T8299] ? setup_bdev_super+0x4c1/0x5b0
[ 333.571593][ T8299] get_tree_bdev_flags+0x40e/0x4d0
[ 333.571613][ T8299] ? __pfx_gfs2_fill_super+0x10/0x10
[ 333.571631][ T8299] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 333.571649][ T8299] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 333.571684][ T8299] gfs2_get_tree+0x51/0x1e0
[ 333.571706][ T8299] vfs_get_tree+0x92/0x2a0
[ 333.571728][ T8299] do_new_mount+0x302/0xa10
[ 333.571748][ T8299] ? apparmor_capable+0x137/0x1a0
[ 333.571775][ T8299] ? __pfx_do_new_mount+0x10/0x10
[ 333.571797][ T8299] ? ns_capable+0x8a/0xf0
[ 333.571819][ T8299] ? kmem_cache_free+0x197/0x620
[ 333.571848][ T8299] __se_sys_mount+0x313/0x410
[ 333.571876][ T8299] ? __pfx___se_sys_mount+0x10/0x10
[ 333.571902][ T8299] ? do_syscall_64+0xbe/0xf80
[ 333.571918][ T8299] ? __x64_sys_mount+0x20/0xc0
[ 333.571942][ T8299] do_syscall_64+0xfa/0xf80
[ 333.571961][ T8299] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 333.571979][ T8299] ? clear_bhb_loop+0x60/0xb0
[ 333.572001][ T8299] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 333.572019][ T8299] RIP: 0033:0x7fde84590eea
[ 333.572037][ T8299] 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
[ 333.572053][ T8299] RSP: 002b:00007fde83bfde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 333.572073][ T8299] RAX: ffffffffffffffda RBX: 00007fde83bfdef0 RCX: 00007fde84590eea
[ 333.572087][ T8299] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fde83bfdeb0
[ 333.572100][ T8299] RBP: 00002000000124c0 R08: 00007fde83bfdef0 R09: 0000000000000000
[ 333.572113][ T8299] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 333.572125][ T8299] R13: 00007fde83bfdeb0 R14: 00000000000125c7 R15: 0000200000000180
[ 333.572157][ T8299]
[ 333.572184][ T8299] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 333.653926][ T6602] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 160ms
[ 333.667797][ T8297] loop1: detected capacity change from 0 to 32768
[ 333.681455][ T6602] gfs2: fsid=syz:syz.0: jid=0: Done
[ 333.916421][ T8299] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 333.964096][ T8297] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 333.993000][ T8301] loop0: detected capacity change from 0 to 32768
[ 333.999647][ T8297] CPU: 0 UID: 0 PID: 8297 Comm: syz.1.339 Not tainted syzkaller #0 PREEMPT(full)
[ 333.999673][ T8297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 333.999685][ T8297] Call Trace:
[ 333.999694][ T8297]
[ 333.999702][ T8297] dump_stack_lvl+0x189/0x250
[ 333.999733][ T8297] ? __pfx_dump_stack_lvl+0x10/0x10
[ 333.999754][ T8297] ? __pfx__printk+0x10/0x10
[ 333.999785][ T8297] ? kernfs_path_from_node+0x250/0x290
[ 333.999805][ T8297] ? kernfs_path_from_node+0x2f/0x290
[ 333.999828][ T8297] sysfs_create_dir_ns+0x259/0x280
[ 333.999850][ T8297] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 333.999872][ T8297] ? do_raw_spin_unlock+0x122/0x240
[ 333.999901][ T8297] kobject_add_internal+0x6ab/0xcc0
[ 333.999931][ T8297] kobject_init_and_add+0x125/0x190
[ 333.999957][ T8297] ? __pfx_kobject_init_and_add+0x10/0x10
[ 333.999979][ T8297] ? __raw_spin_lock_init+0x45/0x100
[ 334.000003][ T8297] ? __init_swait_queue_head+0xa9/0x150
[ 334.000031][ T8297] gfs2_sys_fs_add+0x234/0x450
[ 334.000057][ T8297] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 334.000087][ T8297] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 334.000134][ T8297] gfs2_fill_super+0x1388/0x21b0
[ 334.000168][ T8297] ? __pfx_gfs2_fill_super+0x10/0x10
[ 334.000193][ T8297] ? sb_set_blocksize+0x155/0x240
[ 334.000214][ T8297] ? setup_bdev_super+0x4c1/0x5b0
[ 334.000237][ T8297] get_tree_bdev_flags+0x40e/0x4d0
[ 334.000255][ T8297] ? __pfx_gfs2_fill_super+0x10/0x10
[ 334.000274][ T8297] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 334.000291][ T8297] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 334.000326][ T8297] gfs2_get_tree+0x51/0x1e0
[ 334.000347][ T8297] vfs_get_tree+0x92/0x2a0
[ 334.000367][ T8297] do_new_mount+0x302/0xa10
[ 334.000388][ T8297] ? apparmor_capable+0x137/0x1a0
[ 334.000415][ T8297] ? __pfx_do_new_mount+0x10/0x10
[ 334.000436][ T8297] ? ns_capable+0x8a/0xf0
[ 334.000458][ T8297] ? kmem_cache_free+0x197/0x620
[ 334.000487][ T8297] __se_sys_mount+0x313/0x410
[ 334.000515][ T8297] ? __pfx___se_sys_mount+0x10/0x10
[ 334.000541][ T8297] ? do_syscall_64+0xbe/0xf80
[ 334.000557][ T8297] ? __x64_sys_mount+0x20/0xc0
[ 334.000580][ T8297] do_syscall_64+0xfa/0xf80
[ 334.000599][ T8297] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 334.000617][ T8297] ? clear_bhb_loop+0x60/0xb0
[ 334.000638][ T8297] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 334.000656][ T8297] RIP: 0033:0x7f8e0b990eea
[ 334.000673][ T8297] 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
[ 334.000689][ T8297] RSP: 002b:00007f8e0c766e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 334.000709][ T8297] RAX: ffffffffffffffda RBX: 00007f8e0c766ef0 RCX: 00007f8e0b990eea
[ 334.000723][ T8297] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f8e0c766eb0
[ 334.000736][ T8297] RBP: 00002000000124c0 R08: 00007f8e0c766ef0 R09: 0000000000000000
[ 334.000748][ T8297] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 334.000760][ T8297] R13: 00007f8e0c766eb0 R14: 00000000000125c7 R15: 0000200000000180
[ 334.000791][ T8297]
2025/12/08 06:35:35 executed programs: 335
[ 334.328294][ T8289] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 334.337761][ T8297] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 334.356618][ T8297] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 334.417487][ T8289] gfs2: fsid=syz:syz.0: can't create logd thread: -4
[ 334.580082][ T8307] loop2: detected capacity change from 0 to 32768
[ 334.597764][ T8301] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 334.614746][ T8301] CPU: 1 UID: 0 PID: 8301 Comm: syz.0.338 Not tainted syzkaller #0 PREEMPT(full)
[ 334.614773][ T8301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 334.614786][ T8301] Call Trace:
[ 334.614794][ T8301]
[ 334.614803][ T8301] dump_stack_lvl+0x189/0x250
[ 334.614833][ T8301] ? __pfx_dump_stack_lvl+0x10/0x10
[ 334.614854][ T8301] ? __pfx__printk+0x10/0x10
[ 334.614886][ T8301] ? kernfs_path_from_node+0x250/0x290
[ 334.614905][ T8301] ? kernfs_path_from_node+0x2f/0x290
[ 334.614928][ T8301] sysfs_create_dir_ns+0x259/0x280
[ 334.614951][ T8301] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 334.614972][ T8301] ? do_raw_spin_unlock+0x122/0x240
[ 334.615001][ T8301] kobject_add_internal+0x6ab/0xcc0
[ 334.615031][ T8301] kobject_init_and_add+0x125/0x190
[ 334.615058][ T8301] ? __pfx_kobject_init_and_add+0x10/0x10
[ 334.615080][ T8301] ? __raw_spin_lock_init+0x45/0x100
[ 334.615111][ T8301] ? __init_swait_queue_head+0xa9/0x150
[ 334.615137][ T8301] gfs2_sys_fs_add+0x234/0x450
[ 334.615162][ T8301] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 334.615193][ T8301] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 334.615232][ T8301] gfs2_fill_super+0x1388/0x21b0
[ 334.615268][ T8301] ? __pfx_gfs2_fill_super+0x10/0x10
[ 334.615291][ T8301] ? sb_set_blocksize+0x155/0x240
[ 334.615312][ T8301] ? setup_bdev_super+0x4c1/0x5b0
[ 334.615335][ T8301] get_tree_bdev_flags+0x40e/0x4d0
[ 334.615353][ T8301] ? __pfx_gfs2_fill_super+0x10/0x10
[ 334.615370][ T8301] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 334.615387][ T8301] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 334.615422][ T8301] gfs2_get_tree+0x51/0x1e0
[ 334.615444][ T8301] vfs_get_tree+0x92/0x2a0
[ 334.615465][ T8301] do_new_mount+0x302/0xa10
[ 334.615485][ T8301] ? apparmor_capable+0x137/0x1a0
[ 334.615512][ T8301] ? __pfx_do_new_mount+0x10/0x10
[ 334.615534][ T8301] ? ns_capable+0x8a/0xf0
[ 334.615555][ T8301] ? kmem_cache_free+0x197/0x620
[ 334.615582][ T8301] __se_sys_mount+0x313/0x410
[ 334.615609][ T8301] ? __pfx___se_sys_mount+0x10/0x10
[ 334.615635][ T8301] ? do_syscall_64+0xbe/0xf80
[ 334.615651][ T8301] ? __x64_sys_mount+0x20/0xc0
[ 334.615674][ T8301] do_syscall_64+0xfa/0xf80
[ 334.615692][ T8301] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 334.615710][ T8301] ? clear_bhb_loop+0x60/0xb0
[ 334.615731][ T8301] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 334.615748][ T8301] RIP: 0033:0x7fce4af90eea
[ 334.615766][ T8301] 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
[ 334.615782][ T8301] RSP: 002b:00007fce4bdf7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 334.615802][ T8301] RAX: ffffffffffffffda RBX: 00007fce4bdf7ef0 RCX: 00007fce4af90eea
[ 334.615817][ T8301] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fce4bdf7eb0
[ 334.615830][ T8301] RBP: 00002000000124c0 R08: 00007fce4bdf7ef0 R09: 0000000000000000
[ 334.615843][ T8301] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 334.615855][ T8301] R13: 00007fce4bdf7eb0 R14: 00000000000125c7 R15: 0000200000000180
[ 334.615886][ T8301]
[ 334.615908][ T8301] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 334.941417][ T8301] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 334.972096][ T8307] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 334.994376][ T8307] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 335.014491][ T8307] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 335.033271][ T6611] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 335.040335][ T6611] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 335.116758][ T6611] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 76ms
[ 335.141967][ T6611] gfs2: fsid=syz:syz.0: jid=0: Done
[ 335.147946][ T8307] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 335.387127][ T8307] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 335.428831][ T8307] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[ 335.451048][ T8307] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[ 335.472646][ T8307] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:8307 [syz.2.341] gfs2_quota_sync+0x359/0x460
[ 335.532015][ T8307] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[ 335.540231][ T8307] CPU: 1 UID: 0 PID: 8307 Comm: syz.2.341 Not tainted syzkaller #0 PREEMPT(full)
[ 335.540255][ T8307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 335.540267][ T8307] Call Trace:
[ 335.540275][ T8307]
[ 335.540283][ T8307] dump_stack_lvl+0x189/0x250
[ 335.540312][ T8307] ? __pfx_dump_stack_lvl+0x10/0x10
[ 335.540335][ T8307] ? queue_delayed_work_on+0x11a/0x280
[ 335.540356][ T8307] ? lockdep_hardirqs_on+0x98/0x140
[ 335.540375][ T8307] ? preempt_schedule+0xae/0xc0
[ 335.540407][ T8307] gfs2_withdraw+0xc3/0x1b0
[ 335.540427][ T8307] inode_go_instantiate+0xdd0/0x1210
[ 335.540463][ T8307] ? __pfx_inode_go_instantiate+0x10/0x10
[ 335.540491][ T8307] ? gfs2_glock_nq+0xedd/0x15f0
[ 335.540516][ T8307] gfs2_instantiate+0x168/0x220
[ 335.540538][ T8307] gfs2_glock_wait+0x1d4/0x2a0
[ 335.540560][ T8307] do_sync+0x46f/0xc60
[ 335.540581][ T8307] ? _raw_spin_unlock+0x28/0x50
[ 335.540603][ T8307] ? gfs2_quota_sync+0x359/0x460
[ 335.540636][ T8307] ? __pfx_do_sync+0x10/0x10
[ 335.540667][ T8307] ? gfs2_quota_sync+0x359/0x460
[ 335.540692][ T8307] ? do_raw_spin_unlock+0x122/0x240
[ 335.540721][ T8307] gfs2_quota_sync+0x359/0x460
[ 335.540754][ T8307] gfs2_sync_fs+0x4c/0xb0
[ 335.540776][ T8307] sync_filesystem+0xee/0x230
[ 335.540806][ T8307] gfs2_reconfigure+0xbb/0xb20
[ 335.540825][ T8307] ? _raw_spin_unlock+0x28/0x50
[ 335.540844][ T8307] ? sb_prepare_remount_readonly+0x471/0x4b0
[ 335.540869][ T8307] reconfigure_super+0x227/0x880
[ 335.540900][ T8307] path_mount+0xd29/0xff0
[ 335.540919][ T8307] ? kmem_cache_free+0x197/0x620
[ 335.540949][ T8307] __se_sys_mount+0x313/0x410
[ 335.540985][ T8307] ? __pfx___se_sys_mount+0x10/0x10
[ 335.541012][ T8307] ? do_syscall_64+0xbe/0xf80
[ 335.541028][ T8307] ? __x64_sys_mount+0x20/0xc0
[ 335.541052][ T8307] do_syscall_64+0xfa/0xf80
[ 335.541071][ T8307] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 335.541089][ T8307] ? clear_bhb_loop+0x60/0xb0
[ 335.541112][ T8307] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 335.541130][ T8307] RIP: 0033:0x7fde5b590eea
[ 335.541148][ T8307] 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
[ 335.541164][ T8307] RSP: 002b:00007fde5c50de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 335.541185][ T8307] RAX: ffffffffffffffda RBX: 00007fde5c50def0 RCX: 00007fde5b590eea
[ 335.541200][ T8307] RDX: 00002000000003c0 RSI: 0000200000000340 RDI: 0000000000000000
[ 335.541211][ T8307] RBP: 00002000000003c0 R08: 00007fde5c50def0 R09: 000000000126a4b5
[ 335.541225][ T8307] R10: 000000000126a4b5 R11: 0000000000000246 R12: 0000200000000340
[ 335.541237][ T8307] R13: 00007fde5c50deb0 R14: 0000000000000000 R15: 0000200000004140
[ 335.541269][ T8307]
[ 335.926119][ T8307] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 335.946896][ T6611] gfs2: fsid=syz:syz.0: file system withdrawn
[ 336.219922][ T8325] loop1: detected capacity change from 0 to 32768
[ 336.264998][ T8325] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 336.326845][ T8325] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 336.386618][ T8325] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 336.412658][ T6611] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 336.421051][ T6611] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 336.505776][ T8327] loop0: detected capacity change from 0 to 32768
[ 336.555062][ T6611] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 134ms
[ 336.565974][ T6611] gfs2: fsid=syz:syz.0: jid=0: Done
[ 336.571533][ T8325] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 336.579092][ T8327] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 336.595101][ T8327] CPU: 0 UID: 0 PID: 8327 Comm: syz.0.345 Not tainted syzkaller #0 PREEMPT(full)
[ 336.595127][ T8327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 336.595139][ T8327] Call Trace:
[ 336.595147][ T8327]
[ 336.595156][ T8327] dump_stack_lvl+0x189/0x250
[ 336.595185][ T8327] ? __pfx_dump_stack_lvl+0x10/0x10
[ 336.595207][ T8327] ? __pfx__printk+0x10/0x10
[ 336.595237][ T8327] ? kernfs_path_from_node+0x250/0x290
[ 336.595256][ T8327] ? kernfs_path_from_node+0x2f/0x290
[ 336.595279][ T8327] sysfs_create_dir_ns+0x259/0x280
[ 336.595302][ T8327] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 336.595323][ T8327] ? do_raw_spin_unlock+0x122/0x240
[ 336.595350][ T8327] kobject_add_internal+0x6ab/0xcc0
[ 336.595380][ T8327] kobject_init_and_add+0x125/0x190
[ 336.595416][ T8327] ? __pfx_kobject_init_and_add+0x10/0x10
[ 336.595437][ T8327] ? __raw_spin_lock_init+0x45/0x100
[ 336.595462][ T8327] ? __init_swait_queue_head+0xa9/0x150
[ 336.595489][ T8327] gfs2_sys_fs_add+0x234/0x450
[ 336.595514][ T8327] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 336.595545][ T8327] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 336.595583][ T8327] gfs2_fill_super+0x1388/0x21b0
[ 336.595617][ T8327] ? __pfx_gfs2_fill_super+0x10/0x10
[ 336.595640][ T8327] ? sb_set_blocksize+0x155/0x240
[ 336.595662][ T8327] ? setup_bdev_super+0x4c1/0x5b0
[ 336.595685][ T8327] get_tree_bdev_flags+0x40e/0x4d0
[ 336.595703][ T8327] ? __pfx_gfs2_fill_super+0x10/0x10
[ 336.595721][ T8327] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 336.595737][ T8327] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 336.595772][ T8327] gfs2_get_tree+0x51/0x1e0
[ 336.595794][ T8327] vfs_get_tree+0x92/0x2a0
[ 336.595827][ T8327] do_new_mount+0x302/0xa10
[ 336.595846][ T8327] ? apparmor_capable+0x137/0x1a0
[ 336.595874][ T8327] ? __pfx_do_new_mount+0x10/0x10
[ 336.595894][ T8327] ? ns_capable+0x8a/0xf0
[ 336.595917][ T8327] ? kmem_cache_free+0x197/0x620
[ 336.595947][ T8327] __se_sys_mount+0x313/0x410
[ 336.595975][ T8327] ? __pfx___se_sys_mount+0x10/0x10
[ 336.596000][ T8327] ? do_syscall_64+0xbe/0xf80
[ 336.596016][ T8327] ? __x64_sys_mount+0x20/0xc0
[ 336.596041][ T8327] do_syscall_64+0xfa/0xf80
[ 336.596059][ T8327] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 336.596076][ T8327] ? clear_bhb_loop+0x60/0xb0
[ 336.596098][ T8327] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 336.596116][ T8327] RIP: 0033:0x7fce4af90eea
[ 336.596132][ T8327] 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
[ 336.596148][ T8327] RSP: 002b:00007fce4bdf7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 336.596168][ T8327] RAX: ffffffffffffffda RBX: 00007fce4bdf7ef0 RCX: 00007fce4af90eea
[ 336.596183][ T8327] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fce4bdf7eb0
[ 336.596196][ T8327] RBP: 00002000000124c0 R08: 00007fce4bdf7ef0 R09: 0000000000000000
[ 336.596209][ T8327] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 336.596221][ T8327] R13: 00007fce4bdf7eb0 R14: 00000000000125c7 R15: 0000200000000180
[ 336.596253][ T8327]
[ 336.596278][ T8327] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 336.603841][ T8318] loop4: detected capacity change from 0 to 32768
[ 336.612918][ T8327] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 336.656309][ T8323] loop3: detected capacity change from 0 to 32768
[ 336.881321][ T8325] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 336.979309][ T8318] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 336.992659][ T8323] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 337.005260][ T8323] CPU: 1 UID: 0 PID: 8323 Comm: syz.3.343 Not tainted syzkaller #0 PREEMPT(full)
[ 337.005284][ T8323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 337.005296][ T8323] Call Trace:
[ 337.005305][ T8323]
[ 337.005313][ T8323] dump_stack_lvl+0x189/0x250
[ 337.005341][ T8323] ? __pfx_dump_stack_lvl+0x10/0x10
[ 337.005361][ T8323] ? __pfx__printk+0x10/0x10
[ 337.005392][ T8323] ? kernfs_path_from_node+0x250/0x290
[ 337.005410][ T8323] ? kernfs_path_from_node+0x2f/0x290
[ 337.005432][ T8323] sysfs_create_dir_ns+0x259/0x280
[ 337.005452][ T8323] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 337.005471][ T8323] ? do_raw_spin_unlock+0x122/0x240
[ 337.005497][ T8323] kobject_add_internal+0x6ab/0xcc0
[ 337.005525][ T8323] kobject_init_and_add+0x125/0x190
[ 337.005551][ T8323] ? __pfx_kobject_init_and_add+0x10/0x10
[ 337.005570][ T8323] ? __raw_spin_lock_init+0x45/0x100
[ 337.005593][ T8323] ? __init_swait_queue_head+0xa9/0x150
[ 337.005618][ T8323] gfs2_sys_fs_add+0x234/0x450
[ 337.005642][ T8323] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 337.005674][ T8323] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 337.005706][ T8323] gfs2_fill_super+0x1388/0x21b0
[ 337.005738][ T8323] ? __pfx_gfs2_fill_super+0x10/0x10
[ 337.005762][ T8323] ? sb_set_blocksize+0x155/0x240
[ 337.005785][ T8323] ? setup_bdev_super+0x4c1/0x5b0
[ 337.005808][ T8323] get_tree_bdev_flags+0x40e/0x4d0
[ 337.005826][ T8323] ? __pfx_gfs2_fill_super+0x10/0x10
[ 337.005840][ T8323] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 337.005853][ T8323] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 337.005882][ T8323] gfs2_get_tree+0x51/0x1e0
[ 337.005903][ T8323] vfs_get_tree+0x92/0x2a0
[ 337.005923][ T8323] do_new_mount+0x302/0xa10
[ 337.005942][ T8323] ? apparmor_capable+0x137/0x1a0
[ 337.005967][ T8323] ? __pfx_do_new_mount+0x10/0x10
[ 337.005986][ T8323] ? ns_capable+0x8a/0xf0
[ 337.006007][ T8323] ? kmem_cache_free+0x197/0x620
[ 337.006034][ T8323] __se_sys_mount+0x313/0x410
[ 337.006059][ T8323] ? __pfx___se_sys_mount+0x10/0x10
[ 337.006111][ T8323] ? do_syscall_64+0xbe/0xf80
[ 337.006127][ T8323] ? __x64_sys_mount+0x20/0xc0
[ 337.006149][ T8323] do_syscall_64+0xfa/0xf80
[ 337.006167][ T8323] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 337.006184][ T8323] ? clear_bhb_loop+0x60/0xb0
[ 337.006205][ T8323] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 337.006222][ T8323] RIP: 0033:0x7f28b5590eea
[ 337.006239][ T8323] 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
[ 337.006256][ T8323] RSP: 002b:00007f28b63fce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 337.006275][ T8323] RAX: ffffffffffffffda RBX: 00007f28b63fcef0 RCX: 00007f28b5590eea
[ 337.006289][ T8323] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f28b63fceb0
[ 337.006302][ T8323] RBP: 00002000000124c0 R08: 00007f28b63fcef0 R09: 0000000000000000
[ 337.006314][ T8323] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 337.006327][ T8323] R13: 00007f28b63fceb0 R14: 00000000000125c7 R15: 0000200000000180
[ 337.006358][ T8323]
[ 337.010707][ T8323] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 337.031198][ T8318] CPU: 0 UID: 0 PID: 8318 Comm: syz.4.342 Not tainted syzkaller #0 PREEMPT(full)
[ 337.031223][ T8318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 337.031235][ T8318] Call Trace:
[ 337.031243][ T8318]
[ 337.031251][ T8318] dump_stack_lvl+0x189/0x250
[ 337.031280][ T8318] ? __pfx_dump_stack_lvl+0x10/0x10
[ 337.031301][ T8318] ? __pfx__printk+0x10/0x10
[ 337.031331][ T8318] ? kernfs_path_from_node+0x250/0x290
[ 337.031355][ T8318] ? kernfs_path_from_node+0x2f/0x290
[ 337.031377][ T8318] sysfs_create_dir_ns+0x259/0x280
[ 337.031400][ T8318] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 337.031420][ T8318] ? do_raw_spin_unlock+0x122/0x240
[ 337.031448][ T8318] kobject_add_internal+0x6ab/0xcc0
[ 337.031476][ T8318] kobject_init_and_add+0x125/0x190
[ 337.031502][ T8318] ? __pfx_kobject_init_and_add+0x10/0x10
[ 337.031522][ T8318] ? __raw_spin_lock_init+0x45/0x100
[ 337.031546][ T8318] ? __init_swait_queue_head+0xa9/0x150
[ 337.031573][ T8318] gfs2_sys_fs_add+0x234/0x450
[ 337.031597][ T8318] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 337.031627][ T8318] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 337.031663][ T8318] gfs2_fill_super+0x1388/0x21b0
[ 337.031696][ T8318] ? __pfx_gfs2_fill_super+0x10/0x10
[ 337.031718][ T8318] ? sb_set_blocksize+0x155/0x240
[ 337.031740][ T8318] ? setup_bdev_super+0x4c1/0x5b0
[ 337.031761][ T8318] get_tree_bdev_flags+0x40e/0x4d0
[ 337.031780][ T8318] ? __pfx_gfs2_fill_super+0x10/0x10
[ 337.031798][ T8318] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 337.031814][ T8318] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 337.031853][ T8318] gfs2_get_tree+0x51/0x1e0
[ 337.031873][ T8318] vfs_get_tree+0x92/0x2a0
[ 337.031893][ T8318] do_new_mount+0x302/0xa10
[ 337.031913][ T8318] ? apparmor_capable+0x137/0x1a0
[ 337.031940][ T8318] ? __pfx_do_new_mount+0x10/0x10
[ 337.031961][ T8318] ? ns_capable+0x8a/0xf0
[ 337.031983][ T8318] ? kmem_cache_free+0x197/0x620
[ 337.032012][ T8318] __se_sys_mount+0x313/0x410
[ 337.032039][ T8318] ? __pfx___se_sys_mount+0x10/0x10
[ 337.032064][ T8318] ? do_syscall_64+0xbe/0xf80
[ 337.032080][ T8318] ? __x64_sys_mount+0x20/0xc0
[ 337.032103][ T8318] do_syscall_64+0xfa/0xf80
[ 337.032121][ T8318] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 337.032138][ T8318] ? clear_bhb_loop+0x60/0xb0
[ 337.032160][ T8318] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 337.032177][ T8318] RIP: 0033:0x7fde84590eea
[ 337.032194][ T8318] 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
[ 337.032210][ T8318] RSP: 002b:00007fde83bdce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 337.032229][ T8318] RAX: ffffffffffffffda RBX: 00007fde83bdcef0 RCX: 00007fde84590eea
[ 337.032243][ T8318] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fde83bdceb0
[ 337.032256][ T8318] RBP: 00002000000124c0 R08: 00007fde83bdcef0 R09: 0000000000000000
[ 337.032268][ T8318] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 337.032280][ T8318] R13: 00007fde83bdceb0 R14: 00000000000125c7 R15: 0000200000000180
[ 337.032311][ T8318]
[ 337.032335][ T8318] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 337.035209][ T8323] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 337.036746][ T8318] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 337.054204][ T8325] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[ 337.690952][ T8325] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:3 m:20 p:1
[ 337.700446][ T8325] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:8325 [syz.1.344] gfs2_quota_sync+0x359/0x460
[ 337.822160][ T8325] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[ 337.871459][ T8325] CPU: 0 UID: 0 PID: 8325 Comm: syz.1.344 Not tainted syzkaller #0 PREEMPT(full)
[ 337.871487][ T8325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 337.871499][ T8325] Call Trace:
[ 337.871507][ T8325]
[ 337.871517][ T8325] dump_stack_lvl+0x189/0x250
[ 337.871547][ T8325] ? __pfx_dump_stack_lvl+0x10/0x10
[ 337.871586][ T8325] gfs2_withdraw+0xc3/0x1b0
[ 337.871607][ T8325] inode_go_instantiate+0xdd0/0x1210
[ 337.871631][ T8325] ? __pfx_bit_wait+0x10/0x10
[ 337.871649][ T8325] ? __pfx_bit_wait+0x10/0x10
[ 337.871672][ T8325] ? __pfx_inode_go_instantiate+0x10/0x10
[ 337.871699][ T8325] ? __pfx_wake_bit_function+0x10/0x10
[ 337.871730][ T8325] gfs2_instantiate+0x168/0x220
[ 337.871753][ T8325] gfs2_glock_wait+0x1d4/0x2a0
[ 337.871776][ T8325] do_sync+0x46f/0xc60
[ 337.871797][ T8325] ? _raw_spin_unlock+0x28/0x50
[ 337.871819][ T8325] ? gfs2_quota_sync+0x359/0x460
[ 337.871851][ T8325] ? __pfx_do_sync+0x10/0x10
[ 337.871883][ T8325] ? gfs2_quota_sync+0x359/0x460
[ 337.871908][ T8325] ? do_raw_spin_unlock+0x122/0x240
[ 337.871936][ T8325] gfs2_quota_sync+0x359/0x460
[ 337.871977][ T8325] gfs2_sync_fs+0x4c/0xb0
[ 337.871999][ T8325] sync_filesystem+0xee/0x230
[ 337.872027][ T8325] gfs2_reconfigure+0xbb/0xb20
[ 337.872045][ T8325] ? _raw_spin_unlock+0x28/0x50
[ 337.872067][ T8325] ? sb_prepare_remount_readonly+0x471/0x4b0
[ 337.872097][ T8325] reconfigure_super+0x227/0x880
[ 337.872131][ T8325] path_mount+0xd29/0xff0
[ 337.872152][ T8325] ? kmem_cache_free+0x197/0x620
[ 337.872183][ T8325] __se_sys_mount+0x313/0x410
[ 337.872213][ T8325] ? __pfx___se_sys_mount+0x10/0x10
[ 337.872240][ T8325] ? do_syscall_64+0xbe/0xf80
[ 337.872256][ T8325] ? __x64_sys_mount+0x20/0xc0
[ 337.872280][ T8325] do_syscall_64+0xfa/0xf80
[ 337.872299][ T8325] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 337.872317][ T8325] ? clear_bhb_loop+0x60/0xb0
[ 337.872339][ T8325] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 337.872357][ T8325] RIP: 0033:0x7f8e0b990eea
[ 337.872374][ T8325] 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
[ 337.872390][ T8325] RSP: 002b:00007f8e0c766e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 337.872410][ T8325] RAX: ffffffffffffffda RBX: 00007f8e0c766ef0 RCX: 00007f8e0b990eea
[ 337.872424][ T8325] RDX: 00002000000003c0 RSI: 0000200000000340 RDI: 0000000000000000
[ 337.872438][ T8325] RBP: 00002000000003c0 R08: 00007f8e0c766ef0 R09: 000000000126a4b5
[ 337.872451][ T8325] R10: 000000000126a4b5 R11: 0000000000000246 R12: 0000200000000340
[ 337.872464][ T8325] R13: 00007f8e0c766eb0 R14: 0000000000000000 R15: 0000200000004140
[ 337.872496][ T8325]
[ 337.872504][ T8325] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 338.204362][ T5939] gfs2: fsid=syz:syz.0: file system withdrawn
[ 338.239865][ T8331] loop2: detected capacity change from 0 to 32768
[ 338.355965][ T8331] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 338.371016][ T8331] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 338.467546][ T8331] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 338.531861][ T5939] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 338.538761][ T5939] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 338.673250][ T8341] loop0: detected capacity change from 0 to 32768
[ 338.674897][ T5939] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 136ms
[ 338.731097][ T5939] gfs2: fsid=syz:syz.0: jid=0: Done
[ 338.740047][ T8331] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 338.741503][ T8341] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 338.781725][ T8341] CPU: 0 UID: 0 PID: 8341 Comm: syz.0.347 Not tainted syzkaller #0 PREEMPT(full)
[ 338.781752][ T8341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 338.781764][ T8341] Call Trace:
[ 338.781773][ T8341]
[ 338.781781][ T8341] dump_stack_lvl+0x189/0x250
[ 338.781810][ T8341] ? __pfx_dump_stack_lvl+0x10/0x10
[ 338.781832][ T8341] ? __pfx__printk+0x10/0x10
[ 338.781871][ T8341] ? kernfs_path_from_node+0x250/0x290
[ 338.781891][ T8341] ? kernfs_path_from_node+0x2f/0x290
[ 338.781914][ T8341] sysfs_create_dir_ns+0x259/0x280
[ 338.781937][ T8341] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 338.781958][ T8341] ? do_raw_spin_unlock+0x122/0x240
[ 338.781987][ T8341] kobject_add_internal+0x6ab/0xcc0
[ 338.782015][ T8341] kobject_init_and_add+0x125/0x190
[ 338.782040][ T8341] ? __pfx_kobject_init_and_add+0x10/0x10
[ 338.782062][ T8341] ? __raw_spin_lock_init+0x45/0x100
[ 338.782088][ T8341] ? __init_swait_queue_head+0xa9/0x150
[ 338.782115][ T8341] gfs2_sys_fs_add+0x234/0x450
[ 338.782141][ T8341] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 338.782172][ T8341] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 338.782209][ T8341] gfs2_fill_super+0x1388/0x21b0
[ 338.782244][ T8341] ? __pfx_gfs2_fill_super+0x10/0x10
[ 338.782268][ T8341] ? sb_set_blocksize+0x155/0x240
[ 338.782291][ T8341] ? setup_bdev_super+0x4c1/0x5b0
[ 338.782313][ T8341] get_tree_bdev_flags+0x40e/0x4d0
[ 338.782333][ T8341] ? __pfx_gfs2_fill_super+0x10/0x10
[ 338.782350][ T8341] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 338.782367][ T8341] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 338.782402][ T8341] gfs2_get_tree+0x51/0x1e0
[ 338.782423][ T8341] vfs_get_tree+0x92/0x2a0
[ 338.782444][ T8341] do_new_mount+0x302/0xa10
[ 338.782464][ T8341] ? apparmor_capable+0x137/0x1a0
[ 338.782493][ T8341] ? __pfx_do_new_mount+0x10/0x10
[ 338.782515][ T8341] ? ns_capable+0x8a/0xf0
[ 338.782537][ T8341] ? kmem_cache_free+0x197/0x620
[ 338.782571][ T8341] __se_sys_mount+0x313/0x410
[ 338.782598][ T8341] ? __pfx___se_sys_mount+0x10/0x10
[ 338.782624][ T8341] ? do_syscall_64+0xbe/0xf80
[ 338.782641][ T8341] ? __x64_sys_mount+0x20/0xc0
[ 338.782665][ T8341] do_syscall_64+0xfa/0xf80
[ 338.782684][ T8341] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 338.782703][ T8341] ? clear_bhb_loop+0x60/0xb0
[ 338.782726][ T8341] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 338.782744][ T8341] RIP: 0033:0x7fce4af90eea
[ 338.782760][ T8341] 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
[ 338.782777][ T8341] RSP: 002b:00007fce4bdf7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 338.782796][ T8341] RAX: ffffffffffffffda RBX: 00007fce4bdf7ef0 RCX: 00007fce4af90eea
[ 338.782811][ T8341] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fce4bdf7eb0
[ 338.782824][ T8341] RBP: 00002000000124c0 R08: 00007fce4bdf7ef0 R09: 0000000000000000
[ 338.782843][ T8341] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 338.782856][ T8341] R13: 00007fce4bdf7eb0 R14: 00000000000125c7 R15: 0000200000000180
[ 338.782888][ T8341]
[ 338.782914][ T8341] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 339.111038][ T8341] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 339.206766][ T8331] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 339.236433][ T8345] loop3: detected capacity change from 0 to 32768
[ 339.254241][ T8331] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[ 339.281095][ T8345] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 339.300964][ T8331] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[ 339.312775][ T8345] CPU: 1 UID: 0 PID: 8345 Comm: syz.3.349 Not tainted syzkaller #0 PREEMPT(full)
[ 339.312801][ T8345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 339.312812][ T8345] Call Trace:
[ 339.312820][ T8345]
[ 339.312838][ T8345] dump_stack_lvl+0x189/0x250
[ 339.312867][ T8345] ? __pfx_dump_stack_lvl+0x10/0x10
[ 339.312888][ T8345] ? __pfx__printk+0x10/0x10
[ 339.312918][ T8345] ? kernfs_path_from_node+0x250/0x290
[ 339.312937][ T8345] ? kernfs_path_from_node+0x2f/0x290
[ 339.312960][ T8345] sysfs_create_dir_ns+0x259/0x280
[ 339.312983][ T8345] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 339.313005][ T8345] ? do_raw_spin_unlock+0x122/0x240
[ 339.313033][ T8345] kobject_add_internal+0x6ab/0xcc0
[ 339.313062][ T8345] kobject_init_and_add+0x125/0x190
[ 339.313089][ T8345] ? __pfx_kobject_init_and_add+0x10/0x10
[ 339.313111][ T8345] ? __raw_spin_lock_init+0x45/0x100
[ 339.313136][ T8345] ? __init_swait_queue_head+0xa9/0x150
[ 339.313163][ T8345] gfs2_sys_fs_add+0x234/0x450
[ 339.313188][ T8345] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 339.313225][ T8345] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 339.313263][ T8345] gfs2_fill_super+0x1388/0x21b0
[ 339.313298][ T8345] ? __pfx_gfs2_fill_super+0x10/0x10
[ 339.313321][ T8345] ? sb_set_blocksize+0x155/0x240
[ 339.313343][ T8345] ? setup_bdev_super+0x4c1/0x5b0
[ 339.313365][ T8345] get_tree_bdev_flags+0x40e/0x4d0
[ 339.313384][ T8345] ? __pfx_gfs2_fill_super+0x10/0x10
[ 339.313403][ T8345] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 339.313425][ T8345] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 339.313461][ T8345] gfs2_get_tree+0x51/0x1e0
[ 339.313483][ T8345] vfs_get_tree+0x92/0x2a0
[ 339.313505][ T8345] do_new_mount+0x302/0xa10
[ 339.313525][ T8345] ? apparmor_capable+0x137/0x1a0
[ 339.313552][ T8345] ? __pfx_do_new_mount+0x10/0x10
[ 339.313573][ T8345] ? ns_capable+0x8a/0xf0
[ 339.313591][ T8345] ? kmem_cache_free+0x197/0x620
[ 339.313614][ T8345] __se_sys_mount+0x313/0x410
[ 339.313637][ T8345] ? __pfx___se_sys_mount+0x10/0x10
[ 339.313663][ T8345] ? do_syscall_64+0xbe/0xf80
[ 339.313679][ T8345] ? __x64_sys_mount+0x20/0xc0
[ 339.313703][ T8345] do_syscall_64+0xfa/0xf80
[ 339.313721][ T8345] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 339.313740][ T8345] ? clear_bhb_loop+0x60/0xb0
[ 339.313762][ T8345] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 339.313780][ T8345] RIP: 0033:0x7f28b5590eea
[ 339.313796][ T8345] 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
[ 339.313813][ T8345] RSP: 002b:00007f28b63fce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 339.313843][ T8345] RAX: ffffffffffffffda RBX: 00007f28b63fcef0 RCX: 00007f28b5590eea
[ 339.313857][ T8345] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f28b63fceb0
[ 339.313871][ T8345] RBP: 00002000000124c0 R08: 00007f28b63fcef0 R09: 0000000000000000
[ 339.313884][ T8345] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 339.313896][ T8345] R13: 00007f28b63fceb0 R14: 00000000000125c7 R15: 0000200000000180
[ 339.313928][ T8345]
[ 339.313955][ T8345] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 339.351020][ T8331] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:8331 [syz.2.346] gfs2_quota_sync+0x359/0x460
[ 339.351069][ T8331] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
2025/12/08 06:35:40 executed programs: 344
[ 339.351097][ T8331] CPU: 0 UID: 0 PID: 8331 Comm: syz.2.346 Not tainted syzkaller #0 PREEMPT(full)
[ 339.351117][ T8331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 339.351128][ T8331] Call Trace:
[ 339.351136][ T8331]
[ 339.351145][ T8331] dump_stack_lvl+0x189/0x250
[ 339.351171][ T8331] ? __pfx_dump_stack_lvl+0x10/0x10
[ 339.351194][ T8331] ? queue_delayed_work_on+0x11a/0x280
[ 339.351214][ T8331] ? lockdep_hardirqs_on+0x98/0x140
[ 339.351232][ T8331] ? preempt_schedule+0xae/0xc0
[ 339.351263][ T8331] gfs2_withdraw+0xc3/0x1b0
[ 339.351283][ T8331] inode_go_instantiate+0xdd0/0x1210
[ 339.351318][ T8331] ? __pfx_inode_go_instantiate+0x10/0x10
[ 339.351352][ T8331] ? gfs2_glock_nq+0xedd/0x15f0
[ 339.351376][ T8331] gfs2_instantiate+0x168/0x220
[ 339.351398][ T8331] gfs2_glock_wait+0x1d4/0x2a0
[ 339.351421][ T8331] do_sync+0x46f/0xc60
[ 339.351441][ T8331] ? _raw_spin_unlock+0x28/0x50
[ 339.351462][ T8331] ? gfs2_quota_sync+0x359/0x460
[ 339.351490][ T8331] ? __pfx_do_sync+0x10/0x10
[ 339.351521][ T8331] ? gfs2_quota_sync+0x359/0x460
[ 339.351546][ T8331] ? do_raw_spin_unlock+0x122/0x240
[ 339.351580][ T8331] gfs2_quota_sync+0x359/0x460
[ 339.351612][ T8331] gfs2_sync_fs+0x4c/0xb0
[ 339.351634][ T8331] sync_filesystem+0xee/0x230
[ 339.351661][ T8331] gfs2_reconfigure+0xbb/0xb20
[ 339.351679][ T8331] ? _raw_spin_unlock+0x28/0x50
[ 339.351699][ T8331] ? sb_prepare_remount_readonly+0x471/0x4b0
[ 339.351726][ T8331] reconfigure_super+0x227/0x880
[ 339.351761][ T8331] path_mount+0xd29/0xff0
[ 339.351780][ T8331] ? kmem_cache_free+0x197/0x620
[ 339.351810][ T8331] __se_sys_mount+0x313/0x410
[ 339.351837][ T8331] ? __pfx___se_sys_mount+0x10/0x10
[ 339.351863][ T8331] ? do_syscall_64+0xbe/0xf80
[ 339.351878][ T8331] ? __x64_sys_mount+0x20/0xc0
[ 339.351902][ T8331] do_syscall_64+0xfa/0xf80
[ 339.351920][ T8331] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 339.351938][ T8331] ? clear_bhb_loop+0x60/0xb0
[ 339.351960][ T8331] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 339.351977][ T8331] RIP: 0033:0x7fde5b590eea
[ 339.351994][ T8331] 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
[ 339.352009][ T8331] RSP: 002b:00007fde5c50de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 339.352028][ T8331] RAX: ffffffffffffffda RBX: 00007fde5c50def0 RCX: 00007fde5b590eea
[ 339.352043][ T8331] RDX: 00002000000003c0 RSI: 0000200000000340 RDI: 0000000000000000
[ 339.352055][ T8331] RBP: 00002000000003c0 R08: 00007fde5c50def0 R09: 000000000126a4b5
[ 339.352075][ T8331] R10: 000000000126a4b5 R11: 0000000000000246 R12: 0000200000000340
[ 339.352088][ T8331] R13: 00007fde5c50deb0 R14: 0000000000000000 R15: 0000200000004140
[ 339.352118][ T8331]
[ 339.352126][ T8331] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 339.356541][ T8345] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 339.396758][ T8344] loop4: detected capacity change from 0 to 32768
[ 339.406122][ T6789] gfs2: fsid=syz:syz.0: file system withdrawn
[ 339.609058][ T8344] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 339.973594][ T8344] CPU: 0 UID: 0 PID: 8344 Comm: syz.4.348 Not tainted syzkaller #0 PREEMPT(full)
[ 339.973622][ T8344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 339.973635][ T8344] Call Trace:
[ 339.973643][ T8344]
[ 339.973652][ T8344] dump_stack_lvl+0x189/0x250
[ 339.973682][ T8344] ? __pfx_dump_stack_lvl+0x10/0x10
[ 339.973704][ T8344] ? __pfx__printk+0x10/0x10
[ 339.973734][ T8344] ? kernfs_path_from_node+0x250/0x290
[ 339.973753][ T8344] ? kernfs_path_from_node+0x2f/0x290
[ 339.973776][ T8344] sysfs_create_dir_ns+0x259/0x280
[ 339.973798][ T8344] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 339.973820][ T8344] ? do_raw_spin_unlock+0x122/0x240
[ 339.973849][ T8344] kobject_add_internal+0x6ab/0xcc0
[ 339.973878][ T8344] kobject_init_and_add+0x125/0x190
[ 339.973904][ T8344] ? __pfx_kobject_init_and_add+0x10/0x10
[ 339.973925][ T8344] ? __raw_spin_lock_init+0x45/0x100
[ 339.973951][ T8344] ? __init_swait_queue_head+0xa9/0x150
[ 339.973978][ T8344] gfs2_sys_fs_add+0x234/0x450
[ 339.974002][ T8344] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 339.974034][ T8344] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 339.974072][ T8344] gfs2_fill_super+0x1388/0x21b0
[ 339.974107][ T8344] ? __pfx_gfs2_fill_super+0x10/0x10
[ 339.974130][ T8344] ? sb_set_blocksize+0x155/0x240
[ 339.974152][ T8344] ? setup_bdev_super+0x4c1/0x5b0
[ 339.974175][ T8344] get_tree_bdev_flags+0x40e/0x4d0
[ 339.974194][ T8344] ? __pfx_gfs2_fill_super+0x10/0x10
[ 339.974212][ T8344] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 339.974229][ T8344] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 339.974265][ T8344] gfs2_get_tree+0x51/0x1e0
[ 339.974286][ T8344] vfs_get_tree+0x92/0x2a0
[ 339.974308][ T8344] do_new_mount+0x302/0xa10
[ 339.974328][ T8344] ? apparmor_capable+0x137/0x1a0
[ 339.974355][ T8344] ? __pfx_do_new_mount+0x10/0x10
[ 339.974376][ T8344] ? ns_capable+0x8a/0xf0
[ 339.974398][ T8344] ? kmem_cache_free+0x197/0x620
[ 339.974428][ T8344] __se_sys_mount+0x313/0x410
[ 339.974456][ T8344] ? __pfx___se_sys_mount+0x10/0x10
[ 339.974488][ T8344] ? do_syscall_64+0xbe/0xf80
[ 339.974503][ T8344] ? __x64_sys_mount+0x20/0xc0
[ 339.974527][ T8344] do_syscall_64+0xfa/0xf80
[ 339.974545][ T8344] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 339.974563][ T8344] ? clear_bhb_loop+0x60/0xb0
[ 339.974585][ T8344] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 339.974603][ T8344] RIP: 0033:0x7fde84590eea
[ 339.974620][ T8344] 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
[ 339.974636][ T8344] RSP: 002b:00007fde83bfde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 339.974656][ T8344] RAX: ffffffffffffffda RBX: 00007fde83bfdef0 RCX: 00007fde84590eea
[ 339.974671][ T8344] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fde83bfdeb0
[ 339.974685][ T8344] RBP: 00002000000124c0 R08: 00007fde83bfdef0 R09: 0000000000000000
[ 339.974698][ T8344] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 339.974711][ T8344] R13: 00007fde83bfdeb0 R14: 00000000000125c7 R15: 0000200000000180
[ 339.974742][ T8344]
[ 339.974767][ T8344] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 340.311258][ T8344] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 340.554781][ T8353] loop1: detected capacity change from 0 to 32768
[ 340.638765][ T8353] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 340.684041][ T8353] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 340.760769][ T8353] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 340.814065][ T982] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 340.832820][ T982] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 340.904074][ T982] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 71ms
[ 340.922568][ T982] gfs2: fsid=syz:syz.0: jid=0: Done
[ 340.939228][ T8353] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 341.064852][ T8353] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 341.076126][ T8353] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[ 341.098281][ T8353] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[ 341.109638][ T8353] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:8353 [syz.1.350] gfs2_quota_sync+0x359/0x460
[ 341.119941][ T8353] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[ 341.130263][ T8353] CPU: 1 UID: 0 PID: 8353 Comm: syz.1.350 Not tainted syzkaller #0 PREEMPT(full)
[ 341.130287][ T8353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 341.130299][ T8353] Call Trace:
[ 341.130307][ T8353]
[ 341.130316][ T8353] dump_stack_lvl+0x189/0x250
[ 341.130345][ T8353] ? __pfx_dump_stack_lvl+0x10/0x10
[ 341.130367][ T8353] ? queue_delayed_work_on+0x11a/0x280
[ 341.130390][ T8353] ? lockdep_hardirqs_on+0x98/0x140
[ 341.130408][ T8353] ? preempt_schedule+0xae/0xc0
[ 341.130440][ T8353] gfs2_withdraw+0xc3/0x1b0
[ 341.130461][ T8353] inode_go_instantiate+0xdd0/0x1210
[ 341.130494][ T8353] ? __pfx_inode_go_instantiate+0x10/0x10
[ 341.130522][ T8353] ? gfs2_glock_nq+0xedd/0x15f0
[ 341.130548][ T8353] gfs2_instantiate+0x168/0x220
[ 341.130570][ T8353] gfs2_glock_wait+0x1d4/0x2a0
[ 341.130592][ T8353] do_sync+0x46f/0xc60
[ 341.130621][ T8353] ? _raw_spin_unlock+0x28/0x50
[ 341.130644][ T8353] ? gfs2_quota_sync+0x359/0x460
[ 341.130676][ T8353] ? __pfx_do_sync+0x10/0x10
[ 341.130708][ T8353] ? gfs2_quota_sync+0x359/0x460
[ 341.130742][ T8353] ? do_raw_spin_unlock+0x122/0x240
[ 341.130771][ T8353] gfs2_quota_sync+0x359/0x460
[ 341.130805][ T8353] gfs2_sync_fs+0x4c/0xb0
[ 341.130829][ T8353] sync_filesystem+0xee/0x230
[ 341.130854][ T8353] gfs2_reconfigure+0xbb/0xb20
[ 341.130870][ T8353] ? _raw_spin_unlock+0x28/0x50
[ 341.130891][ T8353] ? sb_prepare_remount_readonly+0x471/0x4b0
[ 341.130917][ T8353] reconfigure_super+0x227/0x880
[ 341.130951][ T8353] path_mount+0xd29/0xff0
[ 341.130971][ T8353] ? kmem_cache_free+0x197/0x620
[ 341.131002][ T8353] __se_sys_mount+0x313/0x410
[ 341.131031][ T8353] ? __pfx___se_sys_mount+0x10/0x10
[ 341.131057][ T8353] ? do_syscall_64+0xbe/0xf80
[ 341.131073][ T8353] ? __x64_sys_mount+0x20/0xc0
[ 341.131097][ T8353] do_syscall_64+0xfa/0xf80
[ 341.131116][ T8353] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 341.131134][ T8353] ? clear_bhb_loop+0x60/0xb0
[ 341.131156][ T8353] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 341.131174][ T8353] RIP: 0033:0x7f8e0b990eea
[ 341.131192][ T8353] 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
[ 341.131208][ T8353] RSP: 002b:00007f8e0c766e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 341.131229][ T8353] RAX: ffffffffffffffda RBX: 00007f8e0c766ef0 RCX: 00007f8e0b990eea
[ 341.131243][ T8353] RDX: 00002000000003c0 RSI: 0000200000000340 RDI: 0000000000000000
[ 341.131256][ T8353] RBP: 00002000000003c0 R08: 00007f8e0c766ef0 R09: 000000000126a4b5
[ 341.131269][ T8353] R10: 000000000126a4b5 R11: 0000000000000246 R12: 0000200000000340
[ 341.131281][ T8353] R13: 00007f8e0c766eb0 R14: 0000000000000000 R15: 0000200000004140
[ 341.131313][ T8353]
[ 341.413747][ T8353] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 341.427236][ T6789] gfs2: fsid=syz:syz.0: file system withdrawn
[ 341.510441][ T8359] loop3: detected capacity change from 0 to 32768
[ 341.624607][ T8359] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 341.632221][ T8359] CPU: 1 UID: 0 PID: 8359 Comm: syz.3.352 Not tainted syzkaller #0 PREEMPT(full)
[ 341.632246][ T8359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 341.632257][ T8359] Call Trace:
[ 341.632265][ T8359]
[ 341.632274][ T8359] dump_stack_lvl+0x189/0x250
[ 341.632303][ T8359] ? __pfx_dump_stack_lvl+0x10/0x10
[ 341.632326][ T8359] ? __pfx__printk+0x10/0x10
[ 341.632356][ T8359] ? kernfs_path_from_node+0x250/0x290
[ 341.632374][ T8359] ? kernfs_path_from_node+0x2f/0x290
[ 341.632397][ T8359] sysfs_create_dir_ns+0x259/0x280
[ 341.632420][ T8359] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 341.632441][ T8359] ? do_raw_spin_unlock+0x122/0x240
[ 341.632468][ T8359] kobject_add_internal+0x6ab/0xcc0
[ 341.632497][ T8359] kobject_init_and_add+0x125/0x190
[ 341.632523][ T8359] ? __pfx_kobject_init_and_add+0x10/0x10
[ 341.632550][ T8359] ? __raw_spin_lock_init+0x45/0x100
[ 341.632575][ T8359] ? __init_swait_queue_head+0xa9/0x150
[ 341.632602][ T8359] gfs2_sys_fs_add+0x234/0x450
[ 341.632626][ T8359] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 341.632657][ T8359] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 341.632694][ T8359] gfs2_fill_super+0x1388/0x21b0
[ 341.632728][ T8359] ? __pfx_gfs2_fill_super+0x10/0x10
[ 341.632751][ T8359] ? sb_set_blocksize+0x155/0x240
[ 341.632773][ T8359] ? setup_bdev_super+0x4c1/0x5b0
[ 341.632796][ T8359] get_tree_bdev_flags+0x40e/0x4d0
[ 341.632814][ T8359] ? __pfx_gfs2_fill_super+0x10/0x10
[ 341.632833][ T8359] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 341.632850][ T8359] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 341.632886][ T8359] gfs2_get_tree+0x51/0x1e0
[ 341.632908][ T8359] vfs_get_tree+0x92/0x2a0
[ 341.632929][ T8359] do_new_mount+0x302/0xa10
[ 341.632948][ T8359] ? apparmor_capable+0x137/0x1a0
[ 341.632975][ T8359] ? __pfx_do_new_mount+0x10/0x10
[ 341.632996][ T8359] ? ns_capable+0x8a/0xf0
[ 341.633019][ T8359] ? kmem_cache_free+0x197/0x620
[ 341.633048][ T8359] __se_sys_mount+0x313/0x410
[ 341.633076][ T8359] ? __pfx___se_sys_mount+0x10/0x10
[ 341.633101][ T8359] ? do_syscall_64+0xbe/0xf80
[ 341.633118][ T8359] ? __x64_sys_mount+0x20/0xc0
[ 341.633141][ T8359] do_syscall_64+0xfa/0xf80
[ 341.633160][ T8359] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 341.633177][ T8359] ? clear_bhb_loop+0x60/0xb0
[ 341.633199][ T8359] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 341.633217][ T8359] RIP: 0033:0x7f28b5590eea
[ 341.633234][ T8359] 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
[ 341.633250][ T8359] RSP: 002b:00007f28b63fce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 341.633270][ T8359] RAX: ffffffffffffffda RBX: 00007f28b63fcef0 RCX: 00007f28b5590eea
[ 341.633284][ T8359] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f28b63fceb0
[ 341.633297][ T8359] RBP: 00002000000124c0 R08: 00007f28b63fcef0 R09: 0000000000000000
[ 341.633310][ T8359] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 341.633322][ T8359] R13: 00007f28b63fceb0 R14: 00000000000125c7 R15: 0000200000000180
[ 341.633353][ T8359]
[ 341.633379][ T8359] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 341.714934][ T8361] loop0: detected capacity change from 0 to 32768
[ 341.739173][ T8359] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 342.017532][ T8361] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 342.084959][ T8361] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 342.189440][ T8361] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 342.232053][ T8365] loop4: detected capacity change from 0 to 32768
[ 342.243682][ T982] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 342.250574][ T982] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 342.272544][ T8365] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 342.315031][ T8365] CPU: 1 UID: 0 PID: 8365 Comm: syz.4.354 Not tainted syzkaller #0 PREEMPT(full)
[ 342.315058][ T8365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 342.315070][ T8365] Call Trace:
[ 342.315078][ T8365]
[ 342.315087][ T8365] dump_stack_lvl+0x189/0x250
[ 342.315117][ T8365] ? __pfx_dump_stack_lvl+0x10/0x10
[ 342.315139][ T8365] ? __pfx__printk+0x10/0x10
[ 342.315169][ T8365] ? kernfs_path_from_node+0x250/0x290
[ 342.315188][ T8365] ? kernfs_path_from_node+0x2f/0x290
[ 342.315210][ T8365] sysfs_create_dir_ns+0x259/0x280
[ 342.315233][ T8365] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 342.315253][ T8365] ? do_raw_spin_unlock+0x122/0x240
[ 342.315282][ T8365] kobject_add_internal+0x6ab/0xcc0
[ 342.315311][ T8365] kobject_init_and_add+0x125/0x190
[ 342.315337][ T8365] ? __pfx_kobject_init_and_add+0x10/0x10
[ 342.315359][ T8365] ? __raw_spin_lock_init+0x45/0x100
[ 342.315383][ T8365] ? __init_swait_queue_head+0xa9/0x150
[ 342.315411][ T8365] gfs2_sys_fs_add+0x234/0x450
[ 342.315436][ T8365] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 342.315468][ T8365] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 342.315512][ T8365] gfs2_fill_super+0x1388/0x21b0
[ 342.315547][ T8365] ? __pfx_gfs2_fill_super+0x10/0x10
[ 342.315570][ T8365] ? sb_set_blocksize+0x155/0x240
[ 342.315597][ T8365] ? setup_bdev_super+0x4c1/0x5b0
[ 342.315620][ T8365] get_tree_bdev_flags+0x40e/0x4d0
[ 342.315639][ T8365] ? __pfx_gfs2_fill_super+0x10/0x10
[ 342.315657][ T8365] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 342.315674][ T8365] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 342.315709][ T8365] gfs2_get_tree+0x51/0x1e0
[ 342.315730][ T8365] vfs_get_tree+0x92/0x2a0
[ 342.315752][ T8365] do_new_mount+0x302/0xa10
[ 342.315771][ T8365] ? apparmor_capable+0x137/0x1a0
[ 342.315799][ T8365] ? __pfx_do_new_mount+0x10/0x10
[ 342.315820][ T8365] ? ns_capable+0x8a/0xf0
[ 342.315842][ T8365] ? kmem_cache_free+0x197/0x620
[ 342.315872][ T8365] __se_sys_mount+0x313/0x410
[ 342.315901][ T8365] ? __pfx___se_sys_mount+0x10/0x10
[ 342.315927][ T8365] ? do_syscall_64+0xbe/0xf80
[ 342.315943][ T8365] ? __x64_sys_mount+0x20/0xc0
[ 342.315968][ T8365] do_syscall_64+0xfa/0xf80
[ 342.315987][ T8365] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 342.316005][ T8365] ? clear_bhb_loop+0x60/0xb0
[ 342.316028][ T8365] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 342.316046][ T8365] RIP: 0033:0x7fde84590eea
[ 342.316063][ T8365] 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
[ 342.316079][ T8365] RSP: 002b:00007fde83bfde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 342.316100][ T8365] RAX: ffffffffffffffda RBX: 00007fde83bfdef0 RCX: 00007fde84590eea
[ 342.316115][ T8365] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fde83bfdeb0
[ 342.316129][ T8365] RBP: 00002000000124c0 R08: 00007fde83bfdef0 R09: 0000000000000000
[ 342.316142][ T8365] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 342.316154][ T8365] R13: 00007fde83bfdeb0 R14: 00000000000125c7 R15: 0000200000000180
[ 342.316186][ T8365]
[ 342.316211][ T8365] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 342.345782][ T8367] loop2: detected capacity change from 0 to 32768
[ 342.452812][ T982] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 202ms
[ 342.490957][ T8365] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 342.529030][ T982] gfs2: fsid=syz:syz.0: jid=0: Done
[ 342.691434][ T8361] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 342.720260][ T8367] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 342.729257][ T8367] CPU: 1 UID: 0 PID: 8367 Comm: syz.2.351 Not tainted syzkaller #0 PREEMPT(full)
[ 342.729279][ T8367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 342.729288][ T8367] Call Trace:
[ 342.729297][ T8367]
[ 342.729303][ T8367] dump_stack_lvl+0x189/0x250
[ 342.729328][ T8367] ? __pfx_dump_stack_lvl+0x10/0x10
[ 342.729344][ T8367] ? __pfx__printk+0x10/0x10
[ 342.729368][ T8367] ? kernfs_path_from_node+0x250/0x290
[ 342.729383][ T8367] ? kernfs_path_from_node+0x2f/0x290
[ 342.729400][ T8367] sysfs_create_dir_ns+0x259/0x280
[ 342.729417][ T8367] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 342.729464][ T8367] ? do_raw_spin_unlock+0x122/0x240
[ 342.729487][ T8367] kobject_add_internal+0x6ab/0xcc0
[ 342.729511][ T8367] kobject_init_and_add+0x125/0x190
[ 342.729531][ T8367] ? __pfx_kobject_init_and_add+0x10/0x10
[ 342.729547][ T8367] ? __raw_spin_lock_init+0x45/0x100
[ 342.729567][ T8367] ? __init_swait_queue_head+0xa9/0x150
[ 342.729588][ T8367] gfs2_sys_fs_add+0x234/0x450
[ 342.729608][ T8367] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 342.729632][ T8367] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 342.729662][ T8367] gfs2_fill_super+0x1388/0x21b0
[ 342.729688][ T8367] ? __pfx_gfs2_fill_super+0x10/0x10
[ 342.729705][ T8367] ? sb_set_blocksize+0x155/0x240
[ 342.729723][ T8367] ? setup_bdev_super+0x4c1/0x5b0
[ 342.729741][ T8367] get_tree_bdev_flags+0x40e/0x4d0
[ 342.729755][ T8367] ? __pfx_gfs2_fill_super+0x10/0x10
[ 342.729770][ T8367] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 342.729783][ T8367] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 342.729813][ T8367] gfs2_get_tree+0x51/0x1e0
[ 342.729829][ T8367] vfs_get_tree+0x92/0x2a0
[ 342.729847][ T8367] do_new_mount+0x302/0xa10
[ 342.729863][ T8367] ? apparmor_capable+0x137/0x1a0
[ 342.729886][ T8367] ? __pfx_do_new_mount+0x10/0x10
[ 342.729904][ T8367] ? ns_capable+0x8a/0xf0
[ 342.729924][ T8367] ? kmem_cache_free+0x197/0x620
[ 342.729952][ T8367] __se_sys_mount+0x313/0x410
[ 342.729977][ T8367] ? __pfx___se_sys_mount+0x10/0x10
[ 342.730000][ T8367] ? do_syscall_64+0xbe/0xf80
[ 342.730016][ T8367] ? __x64_sys_mount+0x20/0xc0
[ 342.730039][ T8367] do_syscall_64+0xfa/0xf80
[ 342.730057][ T8367] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 342.730075][ T8367] ? clear_bhb_loop+0x60/0xb0
[ 342.730096][ T8367] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 342.730113][ T8367] RIP: 0033:0x7fde5b590eea
[ 342.730130][ T8367] 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
[ 342.730146][ T8367] RSP: 002b:00007fde5c50de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 342.730167][ T8367] RAX: ffffffffffffffda RBX: 00007fde5c50def0 RCX: 00007fde5b590eea
[ 342.730180][ T8367] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fde5c50deb0
[ 342.730191][ T8367] RBP: 00002000000124c0 R08: 00007fde5c50def0 R09: 0000000000000000
[ 342.730202][ T8367] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 342.730212][ T8367] R13: 00007fde5c50deb0 R14: 00000000000125c7 R15: 0000200000000180
[ 342.730237][ T8367]
[ 342.731057][ T8367] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 343.108691][ T8367] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 343.163704][ T8375] loop1: detected capacity change from 0 to 32768
[ 343.205492][ T8375] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 343.248878][ T8361] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 343.288126][ T8375] CPU: 0 UID: 0 PID: 8375 Comm: syz.1.355 Not tainted syzkaller #0 PREEMPT(full)
[ 343.288153][ T8375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 343.288165][ T8375] Call Trace:
[ 343.288173][ T8375]
[ 343.288182][ T8375] dump_stack_lvl+0x189/0x250
[ 343.288212][ T8375] ? __pfx_dump_stack_lvl+0x10/0x10
[ 343.288233][ T8375] ? __pfx__printk+0x10/0x10
[ 343.288263][ T8375] ? kernfs_path_from_node+0x250/0x290
[ 343.288282][ T8375] ? kernfs_path_from_node+0x2f/0x290
[ 343.288305][ T8375] sysfs_create_dir_ns+0x259/0x280
[ 343.288328][ T8375] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 343.288349][ T8375] ? do_raw_spin_unlock+0x122/0x240
[ 343.288376][ T8375] kobject_add_internal+0x6ab/0xcc0
[ 343.288406][ T8375] kobject_init_and_add+0x125/0x190
[ 343.288431][ T8375] ? __pfx_kobject_init_and_add+0x10/0x10
[ 343.288453][ T8375] ? __raw_spin_lock_init+0x45/0x100
[ 343.288478][ T8375] ? __init_swait_queue_head+0xa9/0x150
[ 343.288505][ T8375] gfs2_sys_fs_add+0x234/0x450
[ 343.288530][ T8375] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 343.288561][ T8375] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 343.288599][ T8375] gfs2_fill_super+0x1388/0x21b0
[ 343.288634][ T8375] ? __pfx_gfs2_fill_super+0x10/0x10
[ 343.288657][ T8375] ? sb_set_blocksize+0x155/0x240
[ 343.288679][ T8375] ? setup_bdev_super+0x4c1/0x5b0
[ 343.288701][ T8375] get_tree_bdev_flags+0x40e/0x4d0
[ 343.288720][ T8375] ? __pfx_gfs2_fill_super+0x10/0x10
[ 343.288739][ T8375] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 343.288755][ T8375] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 343.288790][ T8375] gfs2_get_tree+0x51/0x1e0
[ 343.288812][ T8375] vfs_get_tree+0x92/0x2a0
[ 343.288834][ T8375] do_new_mount+0x302/0xa10
[ 343.288854][ T8375] ? apparmor_capable+0x137/0x1a0
[ 343.288881][ T8375] ? __pfx_do_new_mount+0x10/0x10
[ 343.288901][ T8375] ? ns_capable+0x8a/0xf0
[ 343.288923][ T8375] ? kmem_cache_free+0x197/0x620
[ 343.288953][ T8375] __se_sys_mount+0x313/0x410
[ 343.288980][ T8375] ? __pfx___se_sys_mount+0x10/0x10
[ 343.289007][ T8375] ? do_syscall_64+0xbe/0xf80
[ 343.289022][ T8375] ? __x64_sys_mount+0x20/0xc0
[ 343.289045][ T8375] do_syscall_64+0xfa/0xf80
[ 343.289063][ T8375] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 343.289081][ T8375] ? clear_bhb_loop+0x60/0xb0
[ 343.289103][ T8375] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 343.289127][ T8375] RIP: 0033:0x7f8e0b990eea
[ 343.289145][ T8375] 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
[ 343.289161][ T8375] RSP: 002b:00007f8e0c766e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 343.289181][ T8375] RAX: ffffffffffffffda RBX: 00007f8e0c766ef0 RCX: 00007f8e0b990eea
[ 343.289196][ T8375] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f8e0c766eb0
[ 343.289209][ T8375] RBP: 00002000000124c0 R08: 00007f8e0c766ef0 R09: 0000000000000000
[ 343.289222][ T8375] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 343.289235][ T8375] R13: 00007f8e0c766eb0 R14: 00000000000125c7 R15: 0000200000000180
[ 343.289266][ T8375]
[ 343.289292][ T8375] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 343.650936][ T8375] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 343.653776][ T6353] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[ 343.727113][ T6353] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[ 343.761784][ T6353] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:6353 [syz-executor] gfs2_quota_sync+0x359/0x460
[ 343.800898][ T6353] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[ 343.809664][ T6353] CPU: 0 UID: 0 PID: 6353 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full)
[ 343.809690][ T6353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 343.809701][ T6353] Call Trace:
[ 343.809710][ T6353]
[ 343.809719][ T6353] dump_stack_lvl+0x189/0x250
[ 343.809748][ T6353] ? __pfx_dump_stack_lvl+0x10/0x10
[ 343.809770][ T6353] ? queue_delayed_work_on+0x11a/0x280
[ 343.809791][ T6353] ? lockdep_hardirqs_on+0x98/0x140
[ 343.809810][ T6353] ? preempt_schedule+0xae/0xc0
[ 343.809842][ T6353] gfs2_withdraw+0xc3/0x1b0
[ 343.809862][ T6353] inode_go_instantiate+0xdd0/0x1210
[ 343.809897][ T6353] ? __pfx_inode_go_instantiate+0x10/0x10
[ 343.809926][ T6353] ? gfs2_glock_nq+0xedd/0x15f0
[ 343.809952][ T6353] gfs2_instantiate+0x168/0x220
[ 343.809973][ T6353] gfs2_glock_wait+0x1d4/0x2a0
[ 343.809996][ T6353] do_sync+0x46f/0xc60
[ 343.810017][ T6353] ? _raw_spin_unlock+0x28/0x50
[ 343.810039][ T6353] ? gfs2_quota_sync+0x359/0x460
[ 343.810080][ T6353] ? __pfx_do_sync+0x10/0x10
[ 343.810111][ T6353] ? gfs2_quota_sync+0x359/0x460
[ 343.810137][ T6353] ? do_raw_spin_unlock+0x122/0x240
[ 343.810165][ T6353] gfs2_quota_sync+0x359/0x460
[ 343.810199][ T6353] gfs2_sync_fs+0x4c/0xb0
[ 343.810222][ T6353] sync_filesystem+0xee/0x230
[ 343.810249][ T6353] generic_shutdown_super+0x6f/0x2c0
[ 343.810279][ T6353] kill_block_super+0x44/0x90
[ 343.810299][ T6353] deactivate_locked_super+0xbc/0x130
[ 343.810325][ T6353] cleanup_mnt+0x425/0x4c0
[ 343.810351][ T6353] ? lockdep_hardirqs_on+0x98/0x140
[ 343.810372][ T6353] task_work_run+0x1d4/0x260
[ 343.810399][ T6353] ? __pfx_task_work_run+0x10/0x10
[ 343.810428][ T6353] ? exit_to_user_mode_loop+0x55/0x4f0
[ 343.810452][ T6353] exit_to_user_mode_loop+0xff/0x4f0
[ 343.810470][ T6353] ? rcu_is_watching+0x15/0xb0
[ 343.810496][ T6353] do_syscall_64+0x2e3/0xf80
[ 343.810516][ T6353] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 343.810534][ T6353] ? clear_bhb_loop+0x60/0xb0
[ 343.810556][ T6353] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 343.810580][ T6353] RIP: 0033:0x7fce4af90a77
[ 343.810599][ T6353] Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
[ 343.810615][ T6353] RSP: 002b:00007ffe1be97cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 343.810636][ T6353] RAX: 0000000000000000 RBX: 00007fce4b013d7d RCX: 00007fce4af90a77
[ 343.810650][ T6353] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe1be97db0
[ 343.810662][ T6353] RBP: 00007ffe1be97db0 R08: 0000000000000000 R09: 0000000000000000
[ 343.810674][ T6353] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe1be98e40
[ 343.810687][ T6353] R13: 00007fce4b013d7d R14: 000000000005314c R15: 00007ffe1be98e80
[ 343.810720][ T6353]
[ 343.810728][ T6353] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 344.396727][ T8380] loop3: detected capacity change from 0 to 32768
[ 344.433300][ T8380] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 344.451047][ T8380] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 344.464653][ T8380] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 344.541617][ T106] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 344.548468][ T106] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 344.722359][ T106] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 173ms
[ 344.750792][ T106] gfs2: fsid=syz:syz.0: jid=0: Done
[ 344.760372][ T8380] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 344.853052][ T8391] loop1: detected capacity change from 0 to 32768
[ 344.929121][ T8391] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 344.946838][ T8389] loop4: detected capacity change from 0 to 32768
[ 344.963518][ T8391] CPU: 0 UID: 0 PID: 8391 Comm: syz.1.360 Not tainted syzkaller #0 PREEMPT(full)
[ 344.963546][ T8391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 344.963558][ T8391] Call Trace:
[ 344.963566][ T8391]
[ 344.963575][ T8391] dump_stack_lvl+0x189/0x250
[ 344.963604][ T8391] ? __pfx_dump_stack_lvl+0x10/0x10
[ 344.963624][ T8391] ? __pfx__printk+0x10/0x10
[ 344.963649][ T8391] ? kernfs_path_from_node+0x250/0x290
[ 344.963666][ T8391] ? kernfs_path_from_node+0x2f/0x290
[ 344.963689][ T8391] sysfs_create_dir_ns+0x259/0x280
[ 344.963710][ T8391] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 344.963730][ T8391] ? do_raw_spin_unlock+0x122/0x240
[ 344.963756][ T8391] kobject_add_internal+0x6ab/0xcc0
[ 344.963782][ T8391] kobject_init_and_add+0x125/0x190
[ 344.963806][ T8391] ? __pfx_kobject_init_and_add+0x10/0x10
[ 344.963827][ T8391] ? __raw_spin_lock_init+0x45/0x100
[ 344.963852][ T8391] ? __init_swait_queue_head+0xa9/0x150
[ 344.963878][ T8391] gfs2_sys_fs_add+0x234/0x450
[ 344.963902][ T8391] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 344.963933][ T8391] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 344.963970][ T8391] gfs2_fill_super+0x1388/0x21b0
[ 344.964004][ T8391] ? __pfx_gfs2_fill_super+0x10/0x10
[ 344.964027][ T8391] ? sb_set_blocksize+0x155/0x240
[ 344.964049][ T8391] ? setup_bdev_super+0x4c1/0x5b0
[ 344.964072][ T8391] get_tree_bdev_flags+0x40e/0x4d0
[ 344.964091][ T8391] ? __pfx_gfs2_fill_super+0x10/0x10
[ 344.964108][ T8391] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 344.964124][ T8391] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 344.964158][ T8391] gfs2_get_tree+0x51/0x1e0
[ 344.964180][ T8391] vfs_get_tree+0x92/0x2a0
[ 344.964201][ T8391] do_new_mount+0x302/0xa10
[ 344.964220][ T8391] ? apparmor_capable+0x137/0x1a0
[ 344.964258][ T8391] ? __pfx_do_new_mount+0x10/0x10
[ 344.964279][ T8391] ? ns_capable+0x8a/0xf0
[ 344.964302][ T8391] ? kmem_cache_free+0x197/0x620
[ 344.964332][ T8391] __se_sys_mount+0x313/0x410
[ 344.964360][ T8391] ? __pfx___se_sys_mount+0x10/0x10
[ 344.964386][ T8391] ? do_syscall_64+0xbe/0xf80
[ 344.964402][ T8391] ? __x64_sys_mount+0x20/0xc0
[ 344.964426][ T8391] do_syscall_64+0xfa/0xf80
[ 344.964444][ T8391] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 344.964462][ T8391] ? clear_bhb_loop+0x60/0xb0
[ 344.964484][ T8391] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 344.964502][ T8391] RIP: 0033:0x7f8e0b990eea
[ 344.964520][ T8391] 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
[ 344.964536][ T8391] RSP: 002b:00007f8e0c766e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 344.964556][ T8391] RAX: ffffffffffffffda RBX: 00007f8e0c766ef0 RCX: 00007f8e0b990eea
[ 344.964571][ T8391] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f8e0c766eb0
[ 344.964585][ T8391] RBP: 00002000000124c0 R08: 00007f8e0c766ef0 R09: 0000000000000000
[ 344.964597][ T8391] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 344.964609][ T8391] R13: 00007f8e0c766eb0 R14: 00000000000125c7 R15: 0000200000000180
[ 344.964641][ T8391]
[ 344.965307][ T8391] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 345.044916][ T8389] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 345.052965][ T8387] loop2: detected capacity change from 0 to 32768
[ 345.060778][ T8389] CPU: 1 UID: 0 PID: 8389 Comm: syz.4.359 Not tainted syzkaller #0 PREEMPT(full)
[ 345.060821][ T8389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 345.060834][ T8389] Call Trace:
[ 345.060842][ T8389]
[ 345.060850][ T8389] dump_stack_lvl+0x189/0x250
[ 345.060880][ T8389] ? __pfx_dump_stack_lvl+0x10/0x10
[ 345.060901][ T8389] ? __pfx__printk+0x10/0x10
[ 345.060930][ T8389] ? kernfs_path_from_node+0x250/0x290
[ 345.060950][ T8389] ? kernfs_path_from_node+0x2f/0x290
[ 345.060973][ T8389] sysfs_create_dir_ns+0x259/0x280
[ 345.060994][ T8389] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 345.061014][ T8389] ? do_raw_spin_unlock+0x122/0x240
[ 345.061042][ T8389] kobject_add_internal+0x6ab/0xcc0
[ 345.061070][ T8389] kobject_init_and_add+0x125/0x190
[ 345.061096][ T8389] ? __pfx_kobject_init_and_add+0x10/0x10
[ 345.061117][ T8389] ? __raw_spin_lock_init+0x45/0x100
[ 345.061141][ T8389] ? __init_swait_queue_head+0xa9/0x150
[ 345.061168][ T8389] gfs2_sys_fs_add+0x234/0x450
[ 345.061193][ T8389] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 345.061221][ T8389] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 345.061264][ T8389] gfs2_fill_super+0x1388/0x21b0
[ 345.061297][ T8389] ? __pfx_gfs2_fill_super+0x10/0x10
[ 345.061319][ T8389] ? sb_set_blocksize+0x155/0x240
[ 345.061341][ T8389] ? setup_bdev_super+0x4c1/0x5b0
[ 345.061362][ T8389] get_tree_bdev_flags+0x40e/0x4d0
[ 345.061380][ T8389] ? __pfx_gfs2_fill_super+0x10/0x10
[ 345.061398][ T8389] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 345.061415][ T8389] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 345.061449][ T8389] gfs2_get_tree+0x51/0x1e0
[ 345.061470][ T8389] vfs_get_tree+0x92/0x2a0
[ 345.061491][ T8389] do_new_mount+0x302/0xa10
[ 345.061510][ T8389] ? apparmor_capable+0x137/0x1a0
[ 345.061537][ T8389] ? __pfx_do_new_mount+0x10/0x10
[ 345.061558][ T8389] ? ns_capable+0x8a/0xf0
[ 345.061579][ T8389] ? kmem_cache_free+0x197/0x620
[ 345.061608][ T8389] __se_sys_mount+0x313/0x410
[ 345.061635][ T8389] ? __pfx___se_sys_mount+0x10/0x10
[ 345.061660][ T8389] ? do_syscall_64+0xbe/0xf80
[ 345.061676][ T8389] ? __x64_sys_mount+0x20/0xc0
[ 345.061699][ T8389] do_syscall_64+0xfa/0xf80
[ 345.061717][ T8389] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 345.061734][ T8389] ? clear_bhb_loop+0x60/0xb0
[ 345.061755][ T8389] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 345.061772][ T8389] RIP: 0033:0x7fde84590eea
[ 345.061790][ T8389] 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
[ 345.061806][ T8389] RSP: 002b:00007fde83bfde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 345.061825][ T8389] RAX: ffffffffffffffda RBX: 00007fde83bfdef0 RCX: 00007fde84590eea
[ 345.061839][ T8389] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fde83bfdeb0
[ 345.061852][ T8389] RBP: 00002000000124c0 R08: 00007fde83bfdef0 R09: 0000000000000000
[ 345.061864][ T8389] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 345.061877][ T8389] R13: 00007fde83bfdeb0 R14: 00000000000125c7 R15: 0000200000000180
[ 345.061907][ T8389]
[ 345.064028][ T8389] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 345.071827][ T8380] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 345.077044][ T8389] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 345.125119][ T8380] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[ 345.141130][ T8391] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 345.265000][ T8380] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[ 345.306662][ T8387] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 345.320672][ T8380] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:8380 [syz.3.356] gfs2_quota_sync+0x359/0x460
[ 345.423219][ T8387] CPU: 1 UID: 0 PID: 8387 Comm: syz.2.357 Not tainted syzkaller #0 PREEMPT(full)
[ 345.423244][ T8387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 345.423254][ T8387] Call Trace:
[ 345.423271][ T8387]
[ 345.423280][ T8387] dump_stack_lvl+0x189/0x250
[ 345.423309][ T8387] ? __pfx_dump_stack_lvl+0x10/0x10
[ 345.423331][ T8387] ? __pfx__printk+0x10/0x10
[ 345.423362][ T8387] ? kernfs_path_from_node+0x250/0x290
[ 345.423381][ T8387] ? kernfs_path_from_node+0x2f/0x290
[ 345.423404][ T8387] sysfs_create_dir_ns+0x259/0x280
[ 345.423427][ T8387] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 345.423448][ T8387] ? do_raw_spin_unlock+0x122/0x240
[ 345.423477][ T8387] kobject_add_internal+0x6ab/0xcc0
[ 345.423506][ T8387] kobject_init_and_add+0x125/0x190
[ 345.423532][ T8387] ? __pfx_kobject_init_and_add+0x10/0x10
[ 345.423554][ T8387] ? __raw_spin_lock_init+0x45/0x100
[ 345.423578][ T8387] ? __init_swait_queue_head+0xa9/0x150
[ 345.423605][ T8387] gfs2_sys_fs_add+0x234/0x450
[ 345.423630][ T8387] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 345.423661][ T8387] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 345.423699][ T8387] gfs2_fill_super+0x1388/0x21b0
[ 345.423734][ T8387] ? __pfx_gfs2_fill_super+0x10/0x10
[ 345.423757][ T8387] ? sb_set_blocksize+0x155/0x240
[ 345.423779][ T8387] ? setup_bdev_super+0x4c1/0x5b0
2025/12/08 06:35:46 executed programs: 354
[ 345.423802][ T8387] get_tree_bdev_flags+0x40e/0x4d0
[ 345.423821][ T8387] ? __pfx_gfs2_fill_super+0x10/0x10
[ 345.423839][ T8387] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 345.423856][ T8387] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 345.423891][ T8387] gfs2_get_tree+0x51/0x1e0
[ 345.423913][ T8387] vfs_get_tree+0x92/0x2a0
[ 345.423934][ T8387] do_new_mount+0x302/0xa10
[ 345.423954][ T8387] ? apparmor_capable+0x137/0x1a0
[ 345.423981][ T8387] ? __pfx_do_new_mount+0x10/0x10
[ 345.424002][ T8387] ? ns_capable+0x8a/0xf0
[ 345.424022][ T8387] ? kmem_cache_free+0x197/0x620
[ 345.424045][ T8387] __se_sys_mount+0x313/0x410
[ 345.424073][ T8387] ? __pfx___se_sys_mount+0x10/0x10
[ 345.424099][ T8387] ? do_syscall_64+0xbe/0xf80
[ 345.424115][ T8387] ? __x64_sys_mount+0x20/0xc0
[ 345.424139][ T8387] do_syscall_64+0xfa/0xf80
[ 345.424158][ T8387] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 345.424175][ T8387] ? clear_bhb_loop+0x60/0xb0
[ 345.424198][ T8387] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 345.424215][ T8387] RIP: 0033:0x7fde5b590eea
[ 345.424232][ T8387] 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
[ 345.424249][ T8387] RSP: 002b:00007fde5c50de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 345.424275][ T8387] RAX: ffffffffffffffda RBX: 00007fde5c50def0 RCX: 00007fde5b590eea
[ 345.424290][ T8387] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fde5c50deb0
[ 345.424304][ T8387] RBP: 00002000000124c0 R08: 00007fde5c50def0 R09: 0000000000000000
[ 345.424317][ T8387] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 345.424329][ T8387] R13: 00007fde5c50deb0 R14: 00000000000125c7 R15: 0000200000000180
[ 345.424360][ T8387]
[ 345.424382][ T8387] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 345.437926][ T8380] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[ 345.600558][ T8387] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 346.074517][ T8380] CPU: 0 UID: 0 PID: 8380 Comm: syz.3.356 Not tainted syzkaller #0 PREEMPT(full)
[ 346.074544][ T8380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 346.074556][ T8380] Call Trace:
[ 346.074564][ T8380]
[ 346.074573][ T8380] dump_stack_lvl+0x189/0x250
[ 346.074603][ T8380] ? __pfx_dump_stack_lvl+0x10/0x10
[ 346.074625][ T8380] ? queue_delayed_work_on+0x11a/0x280
[ 346.074648][ T8380] ? lockdep_hardirqs_on+0x98/0x140
[ 346.074666][ T8380] ? preempt_schedule+0xae/0xc0
[ 346.074697][ T8380] gfs2_withdraw+0xc3/0x1b0
[ 346.074716][ T8380] inode_go_instantiate+0xdd0/0x1210
[ 346.074749][ T8380] ? __pfx_inode_go_instantiate+0x10/0x10
[ 346.074778][ T8380] ? gfs2_glock_nq+0xedd/0x15f0
[ 346.074803][ T8380] gfs2_instantiate+0x168/0x220
[ 346.074825][ T8380] gfs2_glock_wait+0x1d4/0x2a0
[ 346.074847][ T8380] do_sync+0x46f/0xc60
[ 346.074868][ T8380] ? _raw_spin_unlock+0x28/0x50
[ 346.074889][ T8380] ? gfs2_quota_sync+0x359/0x460
[ 346.074921][ T8380] ? __pfx_do_sync+0x10/0x10
[ 346.074952][ T8380] ? gfs2_quota_sync+0x359/0x460
[ 346.074977][ T8380] ? do_raw_spin_unlock+0x122/0x240
[ 346.075005][ T8380] gfs2_quota_sync+0x359/0x460
[ 346.075038][ T8380] gfs2_sync_fs+0x4c/0xb0
[ 346.075061][ T8380] sync_filesystem+0xee/0x230
[ 346.075095][ T8380] gfs2_reconfigure+0xbb/0xb20
[ 346.075114][ T8380] ? _raw_spin_unlock+0x28/0x50
[ 346.075135][ T8380] ? sb_prepare_remount_readonly+0x471/0x4b0
[ 346.075164][ T8380] reconfigure_super+0x227/0x880
[ 346.075198][ T8380] path_mount+0xd29/0xff0
[ 346.075217][ T8380] ? kmem_cache_free+0x197/0x620
[ 346.075248][ T8380] __se_sys_mount+0x313/0x410
[ 346.075277][ T8380] ? __pfx___se_sys_mount+0x10/0x10
[ 346.075304][ T8380] ? do_syscall_64+0xbe/0xf80
[ 346.075319][ T8380] ? __x64_sys_mount+0x20/0xc0
[ 346.075343][ T8380] do_syscall_64+0xfa/0xf80
[ 346.075361][ T8380] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 346.075379][ T8380] ? clear_bhb_loop+0x60/0xb0
[ 346.075402][ T8380] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 346.075420][ T8380] RIP: 0033:0x7f28b5590eea
[ 346.075437][ T8380] 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
[ 346.075454][ T8380] RSP: 002b:00007f28b63fce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 346.075473][ T8380] RAX: ffffffffffffffda RBX: 00007f28b63fcef0 RCX: 00007f28b5590eea
[ 346.075487][ T8380] RDX: 00002000000003c0 RSI: 0000200000000340 RDI: 0000000000000000
[ 346.075500][ T8380] RBP: 00002000000003c0 R08: 00007f28b63fcef0 R09: 000000000126a4b5
[ 346.075514][ T8380] R10: 000000000126a4b5 R11: 0000000000000246 R12: 0000200000000340
[ 346.075526][ T8380] R13: 00007f28b63fceb0 R14: 0000000000000000 R15: 0000200000004140
[ 346.075558][ T8380]
[ 346.075566][ T8380] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 346.425984][ T5939] gfs2: fsid=syz:syz.0: file system withdrawn
[ 346.817746][ T8397] loop0: detected capacity change from 0 to 32768
[ 346.882662][ T8397] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 346.897086][ T8397] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 346.922576][ T8397] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 346.965254][ T982] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 346.992266][ T982] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 347.128368][ T982] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 136ms
[ 347.201137][ T982] gfs2: fsid=syz:syz.0: jid=0: Done
[ 347.206408][ T8397] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 347.264785][ T8406] loop1: detected capacity change from 0 to 32768
[ 347.290179][ T8409] loop4: detected capacity change from 0 to 32768
[ 347.320039][ T8406] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 347.357573][ T8409] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 347.368259][ T8406] CPU: 0 UID: 0 PID: 8406 Comm: syz.1.362 Not tainted syzkaller #0 PREEMPT(full)
[ 347.368285][ T8406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 347.368296][ T8406] Call Trace:
[ 347.368304][ T8406]
[ 347.368312][ T8406] dump_stack_lvl+0x189/0x250
[ 347.368342][ T8406] ? __pfx_dump_stack_lvl+0x10/0x10
[ 347.368362][ T8406] ? __pfx__printk+0x10/0x10
[ 347.368390][ T8406] ? kernfs_path_from_node+0x250/0x290
[ 347.368407][ T8406] ? kernfs_path_from_node+0x2f/0x290
[ 347.368424][ T8406] sysfs_create_dir_ns+0x259/0x280
[ 347.368441][ T8406] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 347.368458][ T8406] ? do_raw_spin_unlock+0x122/0x240
[ 347.368481][ T8406] kobject_add_internal+0x6ab/0xcc0
[ 347.368503][ T8406] kobject_init_and_add+0x125/0x190
[ 347.368522][ T8406] ? __pfx_kobject_init_and_add+0x10/0x10
[ 347.368538][ T8406] ? __raw_spin_lock_init+0x45/0x100
[ 347.368558][ T8406] ? __init_swait_queue_head+0xa9/0x150
[ 347.368579][ T8406] gfs2_sys_fs_add+0x234/0x450
[ 347.368599][ T8406] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 347.368623][ T8406] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 347.368652][ T8406] gfs2_fill_super+0x1388/0x21b0
[ 347.368678][ T8406] ? __pfx_gfs2_fill_super+0x10/0x10
[ 347.368695][ T8406] ? sb_set_blocksize+0x155/0x240
[ 347.368712][ T8406] ? setup_bdev_super+0x4c1/0x5b0
[ 347.368737][ T8406] get_tree_bdev_flags+0x40e/0x4d0
[ 347.368752][ T8406] ? __pfx_gfs2_fill_super+0x10/0x10
[ 347.368766][ T8406] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 347.368779][ T8406] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 347.368807][ T8406] gfs2_get_tree+0x51/0x1e0
[ 347.368823][ T8406] vfs_get_tree+0x92/0x2a0
[ 347.368839][ T8406] do_new_mount+0x302/0xa10
[ 347.368855][ T8406] ? apparmor_capable+0x137/0x1a0
[ 347.368877][ T8406] ? __pfx_do_new_mount+0x10/0x10
[ 347.368894][ T8406] ? ns_capable+0x8a/0xf0
[ 347.368910][ T8406] ? kmem_cache_free+0x197/0x620
[ 347.368933][ T8406] __se_sys_mount+0x313/0x410
[ 347.368954][ T8406] ? __pfx___se_sys_mount+0x10/0x10
[ 347.368975][ T8406] ? do_syscall_64+0xbe/0xf80
[ 347.368988][ T8406] ? __x64_sys_mount+0x20/0xc0
[ 347.369007][ T8406] do_syscall_64+0xfa/0xf80
[ 347.369021][ T8406] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 347.369035][ T8406] ? clear_bhb_loop+0x60/0xb0
[ 347.369052][ T8406] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 347.369066][ T8406] RIP: 0033:0x7f8e0b990eea
[ 347.369079][ T8406] 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
[ 347.369092][ T8406] RSP: 002b:00007f8e0c766e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 347.369108][ T8406] RAX: ffffffffffffffda RBX: 00007f8e0c766ef0 RCX: 00007f8e0b990eea
[ 347.369119][ T8406] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f8e0c766eb0
[ 347.369129][ T8406] RBP: 00002000000124c0 R08: 00007f8e0c766ef0 R09: 0000000000000000
[ 347.369139][ T8406] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 347.369149][ T8406] R13: 00007f8e0c766eb0 R14: 00000000000125c7 R15: 0000200000000180
[ 347.369172][ T8406]
[ 347.369409][ T8406] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 347.501005][ T8409] CPU: 1 UID: 0 PID: 8409 Comm: syz.4.364 Not tainted syzkaller #0 PREEMPT(full)
[ 347.501029][ T8409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 347.501041][ T8409] Call Trace:
[ 347.501057][ T8409]
[ 347.501065][ T8409] dump_stack_lvl+0x189/0x250
[ 347.501095][ T8409] ? __pfx_dump_stack_lvl+0x10/0x10
[ 347.501116][ T8409] ? __pfx__printk+0x10/0x10
[ 347.501146][ T8409] ? kernfs_path_from_node+0x250/0x290
[ 347.501165][ T8409] ? kernfs_path_from_node+0x2f/0x290
[ 347.501188][ T8409] sysfs_create_dir_ns+0x259/0x280
[ 347.501209][ T8409] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 347.501230][ T8409] ? do_raw_spin_unlock+0x122/0x240
[ 347.501258][ T8409] kobject_add_internal+0x6ab/0xcc0
[ 347.501287][ T8409] kobject_init_and_add+0x125/0x190
[ 347.501312][ T8409] ? __pfx_kobject_init_and_add+0x10/0x10
[ 347.501333][ T8409] ? __raw_spin_lock_init+0x45/0x100
[ 347.501357][ T8409] ? __init_swait_queue_head+0xa9/0x150
[ 347.501383][ T8409] gfs2_sys_fs_add+0x234/0x450
[ 347.501408][ T8409] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 347.501438][ T8409] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 347.501474][ T8409] gfs2_fill_super+0x1388/0x21b0
[ 347.501527][ T8409] ? __pfx_gfs2_fill_super+0x10/0x10
[ 347.501549][ T8409] ? sb_set_blocksize+0x155/0x240
[ 347.501571][ T8409] ? setup_bdev_super+0x4c1/0x5b0
[ 347.501593][ T8409] get_tree_bdev_flags+0x40e/0x4d0
[ 347.501611][ T8409] ? __pfx_gfs2_fill_super+0x10/0x10
[ 347.501629][ T8409] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 347.501645][ T8409] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 347.501680][ T8409] gfs2_get_tree+0x51/0x1e0
[ 347.501701][ T8409] vfs_get_tree+0x92/0x2a0
[ 347.501721][ T8409] do_new_mount+0x302/0xa10
[ 347.501740][ T8409] ? apparmor_capable+0x137/0x1a0
[ 347.501767][ T8409] ? __pfx_do_new_mount+0x10/0x10
[ 347.501788][ T8409] ? ns_capable+0x8a/0xf0
[ 347.501808][ T8409] ? kmem_cache_free+0x197/0x620
[ 347.501837][ T8409] __se_sys_mount+0x313/0x410
[ 347.501865][ T8409] ? __pfx___se_sys_mount+0x10/0x10
[ 347.501898][ T8409] ? do_syscall_64+0xbe/0xf80
[ 347.501914][ T8409] ? __x64_sys_mount+0x20/0xc0
[ 347.501937][ T8409] do_syscall_64+0xfa/0xf80
[ 347.501955][ T8409] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 347.501973][ T8409] ? clear_bhb_loop+0x60/0xb0
[ 347.501995][ T8409] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 347.502012][ T8409] RIP: 0033:0x7fde84590eea
[ 347.502028][ T8409] 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
[ 347.502044][ T8409] RSP: 002b:00007fde83bfde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 347.502070][ T8409] RAX: ffffffffffffffda RBX: 00007fde83bfdef0 RCX: 00007fde84590eea
[ 347.502083][ T8409] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fde83bfdeb0
[ 347.502096][ T8409] RBP: 00002000000124c0 R08: 00007fde83bfdef0 R09: 0000000000000000
[ 347.502109][ T8409] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 347.502121][ T8409] R13: 00007fde83bfdeb0 R14: 00000000000125c7 R15: 0000200000000180
[ 347.502158][ T8409]
[ 347.502185][ T8409] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 347.580926][ T8406] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 347.591707][ T8397] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 347.651269][ T8409] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 347.736895][ T8397] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[ 347.927794][ T8407] loop2: detected capacity change from 0 to 32768
[ 347.931602][ T8397] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[ 348.113384][ T8407] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 348.130888][ T8397] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:8397 [syz.0.358] gfs2_quota_sync+0x359/0x460
[ 348.140665][ T8397] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[ 348.150652][ T8407] CPU: 1 UID: 0 PID: 8407 Comm: syz.2.361 Not tainted syzkaller #0 PREEMPT(full)
[ 348.150676][ T8407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 348.150688][ T8407] Call Trace:
[ 348.150696][ T8407]
[ 348.150756][ T8407] dump_stack_lvl+0x189/0x250
[ 348.150785][ T8407] ? __pfx_dump_stack_lvl+0x10/0x10
[ 348.150812][ T8407] ? __pfx__printk+0x10/0x10
[ 348.150838][ T8407] ? kernfs_path_from_node+0x250/0x290
[ 348.150856][ T8407] ? kernfs_path_from_node+0x2f/0x290
[ 348.150876][ T8407] sysfs_create_dir_ns+0x259/0x280
[ 348.150897][ T8407] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 348.150916][ T8407] ? do_raw_spin_unlock+0x122/0x240
[ 348.150944][ T8407] kobject_add_internal+0x6ab/0xcc0
[ 348.150972][ T8407] kobject_init_and_add+0x125/0x190
[ 348.150999][ T8407] ? __pfx_kobject_init_and_add+0x10/0x10
[ 348.151020][ T8407] ? __raw_spin_lock_init+0x45/0x100
[ 348.151044][ T8407] ? __init_swait_queue_head+0xa9/0x150
[ 348.151070][ T8407] gfs2_sys_fs_add+0x234/0x450
[ 348.151096][ T8407] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 348.151127][ T8407] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 348.151165][ T8407] gfs2_fill_super+0x1388/0x21b0
[ 348.151201][ T8407] ? __pfx_gfs2_fill_super+0x10/0x10
[ 348.151224][ T8407] ? sb_set_blocksize+0x155/0x240
[ 348.151246][ T8407] ? setup_bdev_super+0x4c1/0x5b0
[ 348.151268][ T8407] get_tree_bdev_flags+0x40e/0x4d0
[ 348.151288][ T8407] ? __pfx_gfs2_fill_super+0x10/0x10
[ 348.151306][ T8407] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 348.151323][ T8407] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 348.151364][ T8407] gfs2_get_tree+0x51/0x1e0
[ 348.151386][ T8407] vfs_get_tree+0x92/0x2a0
[ 348.151407][ T8407] do_new_mount+0x302/0xa10
[ 348.151427][ T8407] ? apparmor_capable+0x137/0x1a0
[ 348.151455][ T8407] ? __pfx_do_new_mount+0x10/0x10
[ 348.151477][ T8407] ? ns_capable+0x8a/0xf0
[ 348.151498][ T8407] ? kmem_cache_free+0x197/0x620
[ 348.151527][ T8407] __se_sys_mount+0x313/0x410
[ 348.151554][ T8407] ? __pfx___se_sys_mount+0x10/0x10
[ 348.151580][ T8407] ? do_syscall_64+0xbe/0xf80
[ 348.151596][ T8407] ? __x64_sys_mount+0x20/0xc0
[ 348.151618][ T8407] do_syscall_64+0xfa/0xf80
[ 348.151637][ T8407] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 348.151655][ T8407] ? clear_bhb_loop+0x60/0xb0
[ 348.151678][ T8407] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 348.151696][ T8407] RIP: 0033:0x7fde5b590eea
[ 348.151719][ T8407] 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
[ 348.151735][ T8407] RSP: 002b:00007fde5c50de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 348.151756][ T8407] RAX: ffffffffffffffda RBX: 00007fde5c50def0 RCX: 00007fde5b590eea
[ 348.151771][ T8407] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fde5c50deb0
[ 348.151785][ T8407] RBP: 00002000000124c0 R08: 00007fde5c50def0 R09: 0000000000000000
[ 348.151798][ T8407] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 348.151811][ T8407] R13: 00007fde5c50deb0 R14: 00000000000125c7 R15: 0000200000000180
[ 348.151843][ T8407]
[ 348.474615][ T8397] CPU: 0 UID: 0 PID: 8397 Comm: syz.0.358 Not tainted syzkaller #0 PREEMPT(full)
[ 348.474644][ T8397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 348.474656][ T8397] Call Trace:
[ 348.474664][ T8397]
[ 348.474673][ T8397] dump_stack_lvl+0x189/0x250
[ 348.474702][ T8397] ? __pfx_dump_stack_lvl+0x10/0x10
[ 348.474741][ T8397] gfs2_withdraw+0xc3/0x1b0
[ 348.474762][ T8397] inode_go_instantiate+0xdd0/0x1210
[ 348.474786][ T8397] ? __pfx_bit_wait+0x10/0x10
[ 348.474806][ T8397] ? __pfx_bit_wait+0x10/0x10
[ 348.474829][ T8397] ? __pfx_inode_go_instantiate+0x10/0x10
[ 348.474857][ T8397] ? __pfx_wake_bit_function+0x10/0x10
[ 348.474888][ T8397] gfs2_instantiate+0x168/0x220
[ 348.474909][ T8397] gfs2_glock_wait+0x1d4/0x2a0
[ 348.474939][ T8397] do_sync+0x46f/0xc60
[ 348.474959][ T8397] ? _raw_spin_unlock+0x28/0x50
[ 348.474982][ T8397] ? gfs2_quota_sync+0x359/0x460
[ 348.475014][ T8397] ? __pfx_do_sync+0x10/0x10
[ 348.475046][ T8397] ? gfs2_quota_sync+0x359/0x460
[ 348.475071][ T8397] ? do_raw_spin_unlock+0x122/0x240
[ 348.475099][ T8397] gfs2_quota_sync+0x359/0x460
[ 348.475132][ T8397] gfs2_sync_fs+0x4c/0xb0
[ 348.475154][ T8397] sync_filesystem+0xee/0x230
[ 348.475183][ T8397] gfs2_reconfigure+0xbb/0xb20
[ 348.475200][ T8397] ? _raw_spin_unlock+0x28/0x50
[ 348.475222][ T8397] ? sb_prepare_remount_readonly+0x471/0x4b0
[ 348.475251][ T8397] reconfigure_super+0x227/0x880
[ 348.475286][ T8397] path_mount+0xd29/0xff0
[ 348.475305][ T8397] ? kmem_cache_free+0x197/0x620
[ 348.475336][ T8397] __se_sys_mount+0x313/0x410
[ 348.475364][ T8397] ? __pfx___se_sys_mount+0x10/0x10
[ 348.475391][ T8397] ? do_syscall_64+0xbe/0xf80
[ 348.475407][ T8397] ? __x64_sys_mount+0x20/0xc0
[ 348.475431][ T8397] do_syscall_64+0xfa/0xf80
[ 348.475450][ T8397] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 348.475469][ T8397] ? clear_bhb_loop+0x60/0xb0
[ 348.475492][ T8397] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 348.475509][ T8397] RIP: 0033:0x7fce4af90eea
[ 348.475527][ T8397] 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
[ 348.475543][ T8397] RSP: 002b:00007fce4bdf7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 348.475563][ T8397] RAX: ffffffffffffffda RBX: 00007fce4bdf7ef0 RCX: 00007fce4af90eea
[ 348.475578][ T8397] RDX: 00002000000003c0 RSI: 0000200000000340 RDI: 0000000000000000
[ 348.475591][ T8397] RBP: 00002000000003c0 R08: 00007fce4bdf7ef0 R09: 000000000126a4b5
[ 348.475605][ T8397] R10: 000000000126a4b5 R11: 0000000000000246 R12: 0000200000000340
[ 348.475617][ T8397] R13: 00007fce4bdf7eb0 R14: 0000000000000000 R15: 0000200000004140
[ 348.475649][ T8397]
[ 348.475882][ T8397] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 348.758673][ T8407] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 348.841280][ T982] gfs2: fsid=syz:syz.0: file system withdrawn
[ 348.849829][ T8407] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 349.210522][ T8413] loop3: detected capacity change from 0 to 32768
[ 349.268728][ T8413] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 349.300052][ T8413] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 349.386459][ T8413] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 349.404188][ T5939] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 349.431302][ T5939] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 349.466313][ T8421] loop4: detected capacity change from 0 to 32768
[ 349.527205][ T8421] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 349.561554][ T8421] CPU: 0 UID: 0 PID: 8421 Comm: syz.4.365 Not tainted syzkaller #0 PREEMPT(full)
[ 349.561581][ T8421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 349.561593][ T8421] Call Trace:
[ 349.561602][ T8421]
[ 349.561610][ T8421] dump_stack_lvl+0x189/0x250
[ 349.561640][ T8421] ? __pfx_dump_stack_lvl+0x10/0x10
[ 349.561661][ T8421] ? __pfx__printk+0x10/0x10
[ 349.561692][ T8421] ? kernfs_path_from_node+0x250/0x290
[ 349.561712][ T8421] ? kernfs_path_from_node+0x2f/0x290
[ 349.561735][ T8421] sysfs_create_dir_ns+0x259/0x280
[ 349.561766][ T8421] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 349.561787][ T8421] ? do_raw_spin_unlock+0x122/0x240
[ 349.561816][ T8421] kobject_add_internal+0x6ab/0xcc0
[ 349.561845][ T8421] kobject_init_and_add+0x125/0x190
[ 349.561871][ T8421] ? __pfx_kobject_init_and_add+0x10/0x10
[ 349.561892][ T8421] ? __raw_spin_lock_init+0x45/0x100
[ 349.561917][ T8421] ? __init_swait_queue_head+0xa9/0x150
[ 349.561945][ T8421] gfs2_sys_fs_add+0x234/0x450
[ 349.561970][ T8421] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 349.562002][ T8421] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 349.562040][ T8421] gfs2_fill_super+0x1388/0x21b0
[ 349.562075][ T8421] ? __pfx_gfs2_fill_super+0x10/0x10
[ 349.562098][ T8421] ? sb_set_blocksize+0x155/0x240
[ 349.562121][ T8421] ? setup_bdev_super+0x4c1/0x5b0
[ 349.562144][ T8421] get_tree_bdev_flags+0x40e/0x4d0
[ 349.562163][ T8421] ? __pfx_gfs2_fill_super+0x10/0x10
[ 349.562181][ T8421] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 349.562197][ T8421] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 349.562231][ T8421] gfs2_get_tree+0x51/0x1e0
[ 349.562253][ T8421] vfs_get_tree+0x92/0x2a0
[ 349.562273][ T8421] do_new_mount+0x302/0xa10
[ 349.562293][ T8421] ? apparmor_capable+0x137/0x1a0
[ 349.562321][ T8421] ? __pfx_do_new_mount+0x10/0x10
[ 349.562342][ T8421] ? ns_capable+0x8a/0xf0
[ 349.562364][ T8421] ? kmem_cache_free+0x197/0x620
[ 349.562395][ T8421] __se_sys_mount+0x313/0x410
[ 349.562423][ T8421] ? __pfx___se_sys_mount+0x10/0x10
[ 349.562449][ T8421] ? do_syscall_64+0xbe/0xf80
[ 349.562465][ T8421] ? __x64_sys_mount+0x20/0xc0
[ 349.562490][ T8421] do_syscall_64+0xfa/0xf80
[ 349.562508][ T8421] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 349.562525][ T8421] ? clear_bhb_loop+0x60/0xb0
[ 349.562547][ T8421] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 349.562573][ T8421] RIP: 0033:0x7fde84590eea
[ 349.562591][ T8421] 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
[ 349.562607][ T8421] RSP: 002b:00007fde83bfde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 349.562627][ T8421] RAX: ffffffffffffffda RBX: 00007fde83bfdef0 RCX: 00007fde84590eea
[ 349.562640][ T8421] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fde83bfdeb0
[ 349.562653][ T8421] RBP: 00002000000124c0 R08: 00007fde83bfdef0 R09: 0000000000000000
[ 349.562664][ T8421] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 349.562675][ T8421] R13: 00007fde83bfdeb0 R14: 00000000000125c7 R15: 0000200000000180
[ 349.562704][ T8421]
[ 349.562730][ T8421] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 349.898209][ T5939] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 466ms
[ 349.905831][ T8421] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 349.912636][ T5939] gfs2: fsid=syz:syz.0: jid=0: Done
[ 349.918769][ T8413] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 349.972337][ T8413] gfs2: fsid=syz:syz.0: can't create logd thread: -4
[ 350.196793][ T8427] loop1: detected capacity change from 0 to 32768
[ 350.237511][ T8427] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 350.301127][ T8427] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 350.354526][ T8427] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 350.371584][ T982] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 350.380866][ T982] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 350.467733][ T982] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 86ms
[ 350.515116][ T982] gfs2: fsid=syz:syz.0: jid=0: Done
[ 350.532607][ T8427] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 350.704011][ T8431] loop2: detected capacity change from 0 to 32768
[ 350.714909][ T8427] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 350.730095][ T8433] loop0: detected capacity change from 0 to 32768
[ 350.730715][ T8431] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 350.747551][ T8427] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[ 350.776985][ T8427] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[ 350.789667][ T8431] CPU: 0 UID: 0 PID: 8431 Comm: syz.2.368 Not tainted syzkaller #0 PREEMPT(full)
[ 350.789705][ T8431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 350.789718][ T8431] Call Trace:
[ 350.789726][ T8431]
[ 350.789735][ T8431] dump_stack_lvl+0x189/0x250
[ 350.789764][ T8431] ? __pfx_dump_stack_lvl+0x10/0x10
[ 350.789786][ T8431] ? __pfx__printk+0x10/0x10
[ 350.789816][ T8431] ? kernfs_path_from_node+0x250/0x290
[ 350.789835][ T8431] ? kernfs_path_from_node+0x2f/0x290
[ 350.789858][ T8431] sysfs_create_dir_ns+0x259/0x280
[ 350.789881][ T8431] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 350.789902][ T8431] ? do_raw_spin_unlock+0x122/0x240
[ 350.789930][ T8431] kobject_add_internal+0x6ab/0xcc0
[ 350.789959][ T8431] kobject_init_and_add+0x125/0x190
[ 350.789985][ T8431] ? __pfx_kobject_init_and_add+0x10/0x10
[ 350.790007][ T8431] ? __raw_spin_lock_init+0x45/0x100
[ 350.790033][ T8431] ? __init_swait_queue_head+0xa9/0x150
[ 350.790059][ T8431] gfs2_sys_fs_add+0x234/0x450
[ 350.790084][ T8431] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 350.790115][ T8431] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 350.790153][ T8431] gfs2_fill_super+0x1388/0x21b0
[ 350.790188][ T8431] ? __pfx_gfs2_fill_super+0x10/0x10
[ 350.790211][ T8431] ? sb_set_blocksize+0x155/0x240
[ 350.790233][ T8431] ? setup_bdev_super+0x4c1/0x5b0
[ 350.790256][ T8431] get_tree_bdev_flags+0x40e/0x4d0
[ 350.790275][ T8431] ? __pfx_gfs2_fill_super+0x10/0x10
[ 350.790293][ T8431] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 350.790310][ T8431] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 350.790345][ T8431] gfs2_get_tree+0x51/0x1e0
[ 350.790367][ T8431] vfs_get_tree+0x92/0x2a0
[ 350.790395][ T8431] do_new_mount+0x302/0xa10
[ 350.790415][ T8431] ? apparmor_capable+0x137/0x1a0
[ 350.790442][ T8431] ? __pfx_do_new_mount+0x10/0x10
[ 350.790464][ T8431] ? ns_capable+0x8a/0xf0
[ 350.790485][ T8431] ? kmem_cache_free+0x197/0x620
[ 350.790515][ T8431] __se_sys_mount+0x313/0x410
[ 350.790553][ T8431] ? __pfx___se_sys_mount+0x10/0x10
[ 350.790579][ T8431] ? do_syscall_64+0xbe/0xf80
[ 350.790596][ T8431] ? __x64_sys_mount+0x20/0xc0
[ 350.790619][ T8431] do_syscall_64+0xfa/0xf80
[ 350.790637][ T8431] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 350.790656][ T8431] ? clear_bhb_loop+0x60/0xb0
[ 350.790678][ T8431] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 350.790696][ T8431] RIP: 0033:0x7fde5b590eea
[ 350.790714][ T8431] 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
[ 350.790731][ T8431] RSP: 002b:00007fde5c50de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 350.790752][ T8431] RAX: ffffffffffffffda RBX: 00007fde5c50def0 RCX: 00007fde5b590eea
[ 350.790766][ T8431] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fde5c50deb0
[ 350.790779][ T8431] RBP: 00002000000124c0 R08: 00007fde5c50def0 R09: 0000000000000000
[ 350.790792][ T8431] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 350.790803][ T8431] R13: 00007fde5c50deb0 R14: 00000000000125c7 R15: 0000200000000180
[ 350.790833][ T8431]
[ 350.797410][ T8427] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:8427 [syz.1.366] gfs2_quota_sync+0x359/0x460
[ 350.959371][ T8433] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 350.962759][ T8431] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 350.970917][ T8433] CPU: 0 UID: 0 PID: 8433 Comm: syz.0.367 Not tainted syzkaller #0 PREEMPT(full)
[ 350.970943][ T8433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 350.970955][ T8433] Call Trace:
[ 350.970964][ T8433]
[ 350.970971][ T8433] dump_stack_lvl+0x189/0x250
[ 350.971001][ T8433] ? __pfx_dump_stack_lvl+0x10/0x10
[ 350.971022][ T8433] ? __pfx__printk+0x10/0x10
[ 350.971052][ T8433] ? kernfs_path_from_node+0x250/0x290
[ 350.971071][ T8433] ? kernfs_path_from_node+0x2f/0x290
[ 350.971093][ T8433] sysfs_create_dir_ns+0x259/0x280
[ 350.971114][ T8433] ? __pfx_sysfs_create_dir_ns+0x10/0x10
2025/12/08 06:35:52 executed programs: 364
[ 350.971135][ T8433] ? do_raw_spin_unlock+0x122/0x240
[ 350.971163][ T8433] kobject_add_internal+0x6ab/0xcc0
[ 350.971190][ T8433] kobject_init_and_add+0x125/0x190
[ 350.971216][ T8433] ? __pfx_kobject_init_and_add+0x10/0x10
[ 350.971237][ T8433] ? __raw_spin_lock_init+0x45/0x100
[ 350.971262][ T8433] ? __init_swait_queue_head+0xa9/0x150
[ 350.971288][ T8433] gfs2_sys_fs_add+0x234/0x450
[ 350.971313][ T8433] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 350.971343][ T8433] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 350.971379][ T8433] gfs2_fill_super+0x1388/0x21b0
[ 350.971412][ T8433] ? __pfx_gfs2_fill_super+0x10/0x10
[ 350.971434][ T8433] ? sb_set_blocksize+0x155/0x240
[ 350.971456][ T8433] ? setup_bdev_super+0x4c1/0x5b0
[ 350.971478][ T8433] get_tree_bdev_flags+0x40e/0x4d0
[ 350.971496][ T8433] ? __pfx_gfs2_fill_super+0x10/0x10
[ 350.971514][ T8433] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 350.971531][ T8433] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 350.971566][ T8433] gfs2_get_tree+0x51/0x1e0
[ 350.971586][ T8433] vfs_get_tree+0x92/0x2a0
[ 350.971607][ T8433] do_new_mount+0x302/0xa10
[ 350.971626][ T8433] ? apparmor_capable+0x137/0x1a0
[ 350.971659][ T8433] ? __pfx_do_new_mount+0x10/0x10
[ 350.971679][ T8433] ? ns_capable+0x8a/0xf0
[ 350.971698][ T8433] ? kmem_cache_free+0x197/0x620
[ 350.971725][ T8433] __se_sys_mount+0x313/0x410
[ 350.971752][ T8433] ? __pfx___se_sys_mount+0x10/0x10
[ 350.971776][ T8433] ? do_syscall_64+0xbe/0xf80
[ 350.971791][ T8433] ? __x64_sys_mount+0x20/0xc0
[ 350.971814][ T8433] do_syscall_64+0xfa/0xf80
[ 350.971832][ T8433] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 350.971849][ T8433] ? clear_bhb_loop+0x60/0xb0
[ 350.971871][ T8433] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 350.971889][ T8433] RIP: 0033:0x7fce4af90eea
[ 350.971905][ T8433] 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
[ 350.971922][ T8433] RSP: 002b:00007fce4bdf7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 350.971941][ T8433] RAX: ffffffffffffffda RBX: 00007fce4bdf7ef0 RCX: 00007fce4af90eea
[ 350.971955][ T8433] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fce4bdf7eb0
[ 350.971968][ T8433] RBP: 00002000000124c0 R08: 00007fce4bdf7ef0 R09: 0000000000000000
[ 350.971980][ T8433] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 350.971992][ T8433] R13: 00007fce4bdf7eb0 R14: 00000000000125c7 R15: 0000200000000180
[ 350.972021][ T8433]
[ 350.972047][ T8433] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 350.991988][ T8431] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 351.001370][ T8427] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[ 351.021005][ T8433] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 351.024289][ T8427] CPU: 0 UID: 0 PID: 8427 Comm: syz.1.366 Not tainted syzkaller #0 PREEMPT(full)
[ 351.024315][ T8427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 351.024327][ T8427] Call Trace:
[ 351.024334][ T8427]
[ 351.024343][ T8427] dump_stack_lvl+0x189/0x250
[ 351.024372][ T8427] ? __pfx_dump_stack_lvl+0x10/0x10
[ 351.024394][ T8427] ? queue_delayed_work_on+0x11a/0x280
[ 351.024415][ T8427] ? lockdep_hardirqs_on+0x98/0x140
[ 351.024433][ T8427] ? preempt_schedule+0xae/0xc0
[ 351.024464][ T8427] gfs2_withdraw+0xc3/0x1b0
[ 351.024484][ T8427] inode_go_instantiate+0xdd0/0x1210
[ 351.024518][ T8427] ? __pfx_inode_go_instantiate+0x10/0x10
[ 351.024546][ T8427] ? gfs2_glock_nq+0xedd/0x15f0
[ 351.024571][ T8427] gfs2_instantiate+0x168/0x220
[ 351.024592][ T8427] gfs2_glock_wait+0x1d4/0x2a0
[ 351.024613][ T8427] do_sync+0x46f/0xc60
[ 351.024641][ T8427] ? _raw_spin_unlock+0x28/0x50
[ 351.024663][ T8427] ? gfs2_quota_sync+0x359/0x460
[ 351.024694][ T8427] ? __pfx_do_sync+0x10/0x10
[ 351.024724][ T8427] ? gfs2_quota_sync+0x359/0x460
[ 351.024748][ T8427] ? do_raw_spin_unlock+0x122/0x240
[ 351.024777][ T8427] gfs2_quota_sync+0x359/0x460
[ 351.024808][ T8427] gfs2_sync_fs+0x4c/0xb0
[ 351.024830][ T8427] sync_filesystem+0xee/0x230
[ 351.024857][ T8427] gfs2_reconfigure+0xbb/0xb20
[ 351.024875][ T8427] ? _raw_spin_unlock+0x28/0x50
[ 351.024895][ T8427] ? sb_prepare_remount_readonly+0x471/0x4b0
[ 351.024931][ T8427] reconfigure_super+0x227/0x880
[ 351.024964][ T8427] path_mount+0xd29/0xff0
[ 351.024982][ T8427] ? kmem_cache_free+0x197/0x620
[ 351.025008][ T8427] __se_sys_mount+0x313/0x410
[ 351.025036][ T8427] ? __pfx___se_sys_mount+0x10/0x10
[ 351.025062][ T8427] ? do_syscall_64+0xbe/0xf80
[ 351.025078][ T8427] ? __x64_sys_mount+0x20/0xc0
[ 351.025102][ T8427] do_syscall_64+0xfa/0xf80
[ 351.025121][ T8427] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 351.025138][ T8427] ? clear_bhb_loop+0x60/0xb0
[ 351.025165][ T8427] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 351.025183][ T8427] RIP: 0033:0x7f8e0b990eea
[ 351.025200][ T8427] 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
[ 351.025216][ T8427] RSP: 002b:00007f8e0c766e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 351.025236][ T8427] RAX: ffffffffffffffda RBX: 00007f8e0c766ef0 RCX: 00007f8e0b990eea
[ 351.025250][ T8427] RDX: 00002000000003c0 RSI: 0000200000000340 RDI: 0000000000000000
[ 351.025262][ T8427] RBP: 00002000000003c0 R08: 00007f8e0c766ef0 R09: 000000000126a4b5
[ 351.025276][ T8427] R10: 000000000126a4b5 R11: 0000000000000246 R12: 0000200000000340
[ 351.025288][ T8427] R13: 00007f8e0c766eb0 R14: 0000000000000000 R15: 0000200000004140
[ 351.025318][ T8427]
[ 351.025326][ T8427] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 351.775943][ T5939] gfs2: fsid=syz:syz.0: file system withdrawn
[ 352.117879][ T8440] loop4: detected capacity change from 0 to 32768
[ 352.188434][ T8440] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 352.211011][ T8440] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 352.218074][ T8442] loop3: detected capacity change from 0 to 32768
[ 352.235139][ T8440] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 352.281613][ T5939] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 352.288421][ T5939] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 352.305392][ T8442] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 352.356404][ T8442] CPU: 0 UID: 0 PID: 8442 Comm: syz.3.369 Not tainted syzkaller #0 PREEMPT(full)
[ 352.356430][ T8442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 352.356442][ T8442] Call Trace:
[ 352.356450][ T8442]
[ 352.356459][ T8442] dump_stack_lvl+0x189/0x250
[ 352.356487][ T8442] ? __pfx_dump_stack_lvl+0x10/0x10
[ 352.356509][ T8442] ? __pfx__printk+0x10/0x10
[ 352.356539][ T8442] ? kernfs_path_from_node+0x250/0x290
[ 352.356558][ T8442] ? kernfs_path_from_node+0x2f/0x290
[ 352.356579][ T8442] sysfs_create_dir_ns+0x259/0x280
[ 352.356602][ T8442] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 352.356623][ T8442] ? do_raw_spin_unlock+0x122/0x240
[ 352.356650][ T8442] kobject_add_internal+0x6ab/0xcc0
[ 352.356680][ T8442] kobject_init_and_add+0x125/0x190
[ 352.356705][ T8442] ? __pfx_kobject_init_and_add+0x10/0x10
[ 352.356726][ T8442] ? __raw_spin_lock_init+0x45/0x100
[ 352.356751][ T8442] ? __init_swait_queue_head+0xa9/0x150
[ 352.356778][ T8442] gfs2_sys_fs_add+0x234/0x450
[ 352.356804][ T8442] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 352.356836][ T8442] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 352.356875][ T8442] gfs2_fill_super+0x1388/0x21b0
[ 352.356908][ T8442] ? __pfx_gfs2_fill_super+0x10/0x10
[ 352.356930][ T8442] ? sb_set_blocksize+0x155/0x240
[ 352.356952][ T8442] ? setup_bdev_super+0x4c1/0x5b0
[ 352.356971][ T8442] get_tree_bdev_flags+0x40e/0x4d0
[ 352.356990][ T8442] ? __pfx_gfs2_fill_super+0x10/0x10
[ 352.357006][ T8442] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 352.357023][ T8442] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 352.357056][ T8442] gfs2_get_tree+0x51/0x1e0
[ 352.357075][ T8442] vfs_get_tree+0x92/0x2a0
[ 352.357095][ T8442] do_new_mount+0x302/0xa10
[ 352.357113][ T8442] ? apparmor_capable+0x137/0x1a0
[ 352.357138][ T8442] ? __pfx_do_new_mount+0x10/0x10
[ 352.357157][ T8442] ? ns_capable+0x8a/0xf0
[ 352.357177][ T8442] ? kmem_cache_free+0x197/0x620
[ 352.357206][ T8442] __se_sys_mount+0x313/0x410
[ 352.357240][ T8442] ? __pfx___se_sys_mount+0x10/0x10
[ 352.357265][ T8442] ? do_syscall_64+0xbe/0xf80
[ 352.357280][ T8442] ? __x64_sys_mount+0x20/0xc0
[ 352.357303][ T8442] do_syscall_64+0xfa/0xf80
[ 352.357331][ T8442] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 352.357348][ T8442] ? clear_bhb_loop+0x60/0xb0
[ 352.357369][ T8442] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 352.357387][ T8442] RIP: 0033:0x7f28b5590eea
[ 352.357404][ T8442] 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
[ 352.357420][ T8442] RSP: 002b:00007f28b63fce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 352.357440][ T8442] RAX: ffffffffffffffda RBX: 00007f28b63fcef0 RCX: 00007f28b5590eea
[ 352.357453][ T8442] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f28b63fceb0
[ 352.357466][ T8442] RBP: 00002000000124c0 R08: 00007f28b63fcef0 R09: 0000000000000000
[ 352.357478][ T8442] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 352.357490][ T8442] R13: 00007f28b63fceb0 R14: 00000000000125c7 R15: 0000200000000180
[ 352.357517][ T8442]
[ 352.357725][ T8442] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 352.711009][ T8442] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 352.767853][ T5939] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 479ms
[ 352.785802][ T5939] gfs2: fsid=syz:syz.0: jid=0: Done
[ 352.799680][ T8440] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 352.943805][ T8440] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 352.963718][ T8440] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[ 353.010981][ T8440] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[ 353.040723][ T8452] loop0: detected capacity change from 0 to 32768
[ 353.050764][ T8440] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:8440 [syz.4.370] gfs2_quota_sync+0x359/0x460
[ 353.060703][ T8440] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[ 353.112154][ T8452] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 353.119575][ T8452] CPU: 0 UID: 0 PID: 8452 Comm: syz.0.371 Not tainted syzkaller #0 PREEMPT(full)
[ 353.119599][ T8452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 353.119611][ T8452] Call Trace:
[ 353.119620][ T8452]
[ 353.119628][ T8452] dump_stack_lvl+0x189/0x250
[ 353.119662][ T8452] ? __pfx_dump_stack_lvl+0x10/0x10
[ 353.119683][ T8452] ? __pfx__printk+0x10/0x10
[ 353.119713][ T8452] ? kernfs_path_from_node+0x250/0x290
[ 353.119732][ T8452] ? kernfs_path_from_node+0x2f/0x290
[ 353.119755][ T8452] sysfs_create_dir_ns+0x259/0x280
[ 353.119777][ T8452] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 353.119798][ T8452] ? do_raw_spin_unlock+0x122/0x240
[ 353.119827][ T8452] kobject_add_internal+0x6ab/0xcc0
[ 353.119856][ T8452] kobject_init_and_add+0x125/0x190
[ 353.119882][ T8452] ? __pfx_kobject_init_and_add+0x10/0x10
[ 353.119904][ T8452] ? __raw_spin_lock_init+0x45/0x100
[ 353.119929][ T8452] ? __init_swait_queue_head+0xa9/0x150
[ 353.119955][ T8452] gfs2_sys_fs_add+0x234/0x450
[ 353.119980][ T8452] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 353.120028][ T8452] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 353.120067][ T8452] gfs2_fill_super+0x1388/0x21b0
[ 353.120102][ T8452] ? __pfx_gfs2_fill_super+0x10/0x10
[ 353.120125][ T8452] ? sb_set_blocksize+0x155/0x240
[ 353.120147][ T8452] ? setup_bdev_super+0x4c1/0x5b0
[ 353.120169][ T8452] get_tree_bdev_flags+0x40e/0x4d0
[ 353.120188][ T8452] ? __pfx_gfs2_fill_super+0x10/0x10
[ 353.120207][ T8452] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 353.120229][ T8452] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 353.120265][ T8452] gfs2_get_tree+0x51/0x1e0
[ 353.120287][ T8452] vfs_get_tree+0x92/0x2a0
[ 353.120309][ T8452] do_new_mount+0x302/0xa10
[ 353.120330][ T8452] ? apparmor_capable+0x137/0x1a0
[ 353.120357][ T8452] ? __pfx_do_new_mount+0x10/0x10
[ 353.120379][ T8452] ? ns_capable+0x8a/0xf0
[ 353.120401][ T8452] ? kmem_cache_free+0x197/0x620
[ 353.120431][ T8452] __se_sys_mount+0x313/0x410
[ 353.120458][ T8452] ? __pfx___se_sys_mount+0x10/0x10
[ 353.120484][ T8452] ? do_syscall_64+0xbe/0xf80
[ 353.120501][ T8452] ? __x64_sys_mount+0x20/0xc0
[ 353.120524][ T8452] do_syscall_64+0xfa/0xf80
[ 353.120544][ T8452] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 353.120562][ T8452] ? clear_bhb_loop+0x60/0xb0
[ 353.120584][ T8452] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 353.120602][ T8452] RIP: 0033:0x7fce4af90eea
[ 353.120620][ T8452] 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
[ 353.120636][ T8452] RSP: 002b:00007fce4bdf7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 353.120657][ T8452] RAX: ffffffffffffffda RBX: 00007fce4bdf7ef0 RCX: 00007fce4af90eea
[ 353.120671][ T8452] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fce4bdf7eb0
[ 353.120684][ T8452] RBP: 00002000000124c0 R08: 00007fce4bdf7ef0 R09: 0000000000000000
[ 353.120696][ T8452] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 353.120708][ T8452] R13: 00007fce4bdf7eb0 R14: 00000000000125c7 R15: 0000200000000180
[ 353.120739][ T8452]
[ 353.120882][ T8440] CPU: 1 UID: 0 PID: 8440 Comm: syz.4.370 Not tainted syzkaller #0 PREEMPT(full)
[ 353.120903][ T8440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 353.120914][ T8440] Call Trace:
[ 353.120921][ T8440]
[ 353.120930][ T8440] dump_stack_lvl+0x189/0x250
[ 353.120955][ T8440] ? __pfx_dump_stack_lvl+0x10/0x10
[ 353.120976][ T8440] ? queue_delayed_work_on+0x11a/0x280
[ 353.120997][ T8440] ? lockdep_hardirqs_on+0x98/0x140
[ 353.121013][ T8440] ? preempt_schedule+0xae/0xc0
[ 353.121044][ T8440] gfs2_withdraw+0xc3/0x1b0
[ 353.121063][ T8440] inode_go_instantiate+0xdd0/0x1210
[ 353.121098][ T8440] ? __pfx_inode_go_instantiate+0x10/0x10
[ 353.121125][ T8440] ? gfs2_glock_nq+0xedd/0x15f0
[ 353.121150][ T8440] gfs2_instantiate+0x168/0x220
[ 353.121170][ T8440] gfs2_glock_wait+0x1d4/0x2a0
[ 353.121193][ T8440] do_sync+0x46f/0xc60
[ 353.121212][ T8440] ? _raw_spin_unlock+0x28/0x50
[ 353.121234][ T8440] ? gfs2_quota_sync+0x359/0x460
[ 353.121264][ T8440] ? __pfx_do_sync+0x10/0x10
[ 353.121296][ T8440] ? gfs2_quota_sync+0x359/0x460
[ 353.121320][ T8440] ? do_raw_spin_unlock+0x122/0x240
[ 353.121347][ T8440] gfs2_quota_sync+0x359/0x460
[ 353.121379][ T8440] gfs2_sync_fs+0x4c/0xb0
[ 353.121401][ T8440] sync_filesystem+0xee/0x230
[ 353.121428][ T8440] gfs2_reconfigure+0xbb/0xb20
[ 353.121445][ T8440] ? _raw_spin_unlock+0x28/0x50
[ 353.121474][ T8440] ? sb_prepare_remount_readonly+0x471/0x4b0
[ 353.121501][ T8440] reconfigure_super+0x227/0x880
[ 353.121535][ T8440] path_mount+0xd29/0xff0
[ 353.121555][ T8440] ? kmem_cache_free+0x197/0x620
[ 353.121584][ T8440] __se_sys_mount+0x313/0x410
[ 353.121611][ T8440] ? __pfx___se_sys_mount+0x10/0x10
[ 353.121636][ T8440] ? do_syscall_64+0xbe/0xf80
[ 353.121652][ T8440] ? __x64_sys_mount+0x20/0xc0
[ 353.121675][ T8440] do_syscall_64+0xfa/0xf80
[ 353.121694][ T8440] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 353.121711][ T8440] ? clear_bhb_loop+0x60/0xb0
[ 353.121732][ T8440] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 353.121749][ T8440] RIP: 0033:0x7fde84590eea
[ 353.121764][ T8440] 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
[ 353.121780][ T8440] RSP: 002b:00007fde83bfde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 353.121799][ T8440] RAX: ffffffffffffffda RBX: 00007fde83bfdef0 RCX: 00007fde84590eea
[ 353.121813][ T8440] RDX: 00002000000003c0 RSI: 0000200000000340 RDI: 0000000000000000
[ 353.121825][ T8440] RBP: 00002000000003c0 R08: 00007fde83bfdef0 R09: 000000000126a4b5
[ 353.121837][ T8440] R10: 000000000126a4b5 R11: 0000000000000246 R12: 0000200000000340
[ 353.121850][ T8440] R13: 00007fde83bfdeb0 R14: 0000000000000000 R15: 0000200000004140
[ 353.121881][ T8440]
[ 353.121888][ T8440] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 353.158717][ T8452] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 353.235780][ T8451] loop2: detected capacity change from 0 to 32768
[ 353.293136][ T106] gfs2: fsid=syz:syz.0: file system withdrawn
[ 353.320920][ T8452] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 353.631573][ T8458] loop1: detected capacity change from 0 to 32768
[ 353.741786][ T8451] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 353.771978][ T8451] CPU: 0 UID: 0 PID: 8451 Comm: syz.2.372 Not tainted syzkaller #0 PREEMPT(full)
[ 353.772005][ T8451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 353.772016][ T8451] Call Trace:
[ 353.772024][ T8451]
[ 353.772034][ T8451] dump_stack_lvl+0x189/0x250
[ 353.772062][ T8451] ? __pfx_dump_stack_lvl+0x10/0x10
[ 353.772085][ T8451] ? __pfx__printk+0x10/0x10
[ 353.772116][ T8451] ? kernfs_path_from_node+0x250/0x290
[ 353.772137][ T8451] ? kernfs_path_from_node+0x2f/0x290
[ 353.772167][ T8451] sysfs_create_dir_ns+0x259/0x280
[ 353.772188][ T8451] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 353.772209][ T8451] ? do_raw_spin_unlock+0x122/0x240
[ 353.772237][ T8451] kobject_add_internal+0x6ab/0xcc0
[ 353.772267][ T8451] kobject_init_and_add+0x125/0x190
[ 353.772293][ T8451] ? __pfx_kobject_init_and_add+0x10/0x10
[ 353.772315][ T8451] ? __raw_spin_lock_init+0x45/0x100
[ 353.772338][ T8451] ? __init_swait_queue_head+0xa9/0x150
[ 353.772365][ T8451] gfs2_sys_fs_add+0x234/0x450
[ 353.772390][ T8451] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 353.772420][ T8451] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 353.772459][ T8451] gfs2_fill_super+0x1388/0x21b0
[ 353.772494][ T8451] ? __pfx_gfs2_fill_super+0x10/0x10
[ 353.772515][ T8451] ? sb_set_blocksize+0x155/0x240
[ 353.772537][ T8451] ? setup_bdev_super+0x4c1/0x5b0
[ 353.772559][ T8451] get_tree_bdev_flags+0x40e/0x4d0
[ 353.772577][ T8451] ? __pfx_gfs2_fill_super+0x10/0x10
[ 353.772595][ T8451] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 353.772612][ T8451] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 353.772648][ T8451] gfs2_get_tree+0x51/0x1e0
[ 353.772668][ T8451] vfs_get_tree+0x92/0x2a0
[ 353.772690][ T8451] do_new_mount+0x302/0xa10
[ 353.772710][ T8451] ? apparmor_capable+0x137/0x1a0
[ 353.772738][ T8451] ? __pfx_do_new_mount+0x10/0x10
[ 353.772760][ T8451] ? ns_capable+0x8a/0xf0
[ 353.772783][ T8451] ? kmem_cache_free+0x197/0x620
[ 353.772814][ T8451] __se_sys_mount+0x313/0x410
[ 353.772840][ T8451] ? __pfx___se_sys_mount+0x10/0x10
[ 353.772866][ T8451] ? do_syscall_64+0xbe/0xf80
[ 353.772882][ T8451] ? __x64_sys_mount+0x20/0xc0
[ 353.772905][ T8451] do_syscall_64+0xfa/0xf80
[ 353.772924][ T8451] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 353.772942][ T8451] ? clear_bhb_loop+0x60/0xb0
[ 353.772964][ T8451] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 353.772981][ T8451] RIP: 0033:0x7fde5b590eea
[ 353.772998][ T8451] 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
[ 353.773014][ T8451] RSP: 002b:00007fde5c50de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 353.773035][ T8451] RAX: ffffffffffffffda RBX: 00007fde5c50def0 RCX: 00007fde5b590eea
[ 353.773049][ T8451] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fde5c50deb0
[ 353.773063][ T8451] RBP: 00002000000124c0 R08: 00007fde5c50def0 R09: 0000000000000000
[ 353.773077][ T8451] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 353.773089][ T8451] R13: 00007fde5c50deb0 R14: 00000000000125c7 R15: 0000200000000180
[ 353.773121][ T8451]
[ 353.773148][ T8451] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 354.112078][ T8451] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 354.145783][ T8458] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 354.165579][ T8458] CPU: 1 UID: 0 PID: 8458 Comm: syz.1.373 Not tainted syzkaller #0 PREEMPT(full)
[ 354.165605][ T8458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 354.165616][ T8458] Call Trace:
[ 354.165624][ T8458]
[ 354.165633][ T8458] dump_stack_lvl+0x189/0x250
[ 354.165662][ T8458] ? __pfx_dump_stack_lvl+0x10/0x10
[ 354.165684][ T8458] ? __pfx__printk+0x10/0x10
[ 354.165713][ T8458] ? kernfs_path_from_node+0x250/0x290
[ 354.165732][ T8458] ? kernfs_path_from_node+0x2f/0x290
[ 354.165755][ T8458] sysfs_create_dir_ns+0x259/0x280
[ 354.165777][ T8458] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 354.165798][ T8458] ? do_raw_spin_unlock+0x122/0x240
[ 354.165826][ T8458] kobject_add_internal+0x6ab/0xcc0
[ 354.165855][ T8458] kobject_init_and_add+0x125/0x190
[ 354.165880][ T8458] ? __pfx_kobject_init_and_add+0x10/0x10
[ 354.165901][ T8458] ? __raw_spin_lock_init+0x45/0x100
[ 354.165926][ T8458] ? __init_swait_queue_head+0xa9/0x150
[ 354.165953][ T8458] gfs2_sys_fs_add+0x234/0x450
[ 354.165978][ T8458] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 354.166007][ T8458] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 354.166044][ T8458] gfs2_fill_super+0x1388/0x21b0
[ 354.166078][ T8458] ? __pfx_gfs2_fill_super+0x10/0x10
[ 354.166100][ T8458] ? sb_set_blocksize+0x155/0x240
[ 354.166122][ T8458] ? setup_bdev_super+0x4c1/0x5b0
[ 354.166144][ T8458] get_tree_bdev_flags+0x40e/0x4d0
[ 354.166163][ T8458] ? __pfx_gfs2_fill_super+0x10/0x10
[ 354.166180][ T8458] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 354.166197][ T8458] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 354.166231][ T8458] gfs2_get_tree+0x51/0x1e0
[ 354.166252][ T8458] vfs_get_tree+0x92/0x2a0
[ 354.166281][ T8458] do_new_mount+0x302/0xa10
[ 354.166300][ T8458] ? apparmor_capable+0x137/0x1a0
[ 354.166327][ T8458] ? __pfx_do_new_mount+0x10/0x10
[ 354.166348][ T8458] ? ns_capable+0x8a/0xf0
[ 354.166370][ T8458] ? kmem_cache_free+0x197/0x620
[ 354.166400][ T8458] __se_sys_mount+0x313/0x410
[ 354.166428][ T8458] ? __pfx___se_sys_mount+0x10/0x10
[ 354.166455][ T8458] ? do_syscall_64+0xbe/0xf80
[ 354.166471][ T8458] ? __x64_sys_mount+0x20/0xc0
[ 354.166494][ T8458] do_syscall_64+0xfa/0xf80
[ 354.166512][ T8458] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 354.166530][ T8458] ? clear_bhb_loop+0x60/0xb0
[ 354.166551][ T8458] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 354.166569][ T8458] RIP: 0033:0x7f8e0b990eea
[ 354.166586][ T8458] 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
[ 354.166602][ T8458] RSP: 002b:00007f8e0c766e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 354.166621][ T8458] RAX: ffffffffffffffda RBX: 00007f8e0c766ef0 RCX: 00007f8e0b990eea
[ 354.166635][ T8458] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f8e0c766eb0
[ 354.166649][ T8458] RBP: 00002000000124c0 R08: 00007f8e0c766ef0 R09: 0000000000000000
[ 354.166661][ T8458] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 354.166673][ T8458] R13: 00007f8e0c766eb0 R14: 00000000000125c7 R15: 0000200000000180
[ 354.166704][ T8458]
[ 354.166730][ T8458] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 354.492371][ T8458] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 354.609444][ T8462] loop3: detected capacity change from 0 to 32768
[ 354.713082][ T8462] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 354.841314][ T8462] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 354.866111][ T8462] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 354.931949][ T106] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 354.938749][ T106] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 355.112753][ T106] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 174ms
[ 355.141146][ T106] gfs2: fsid=syz:syz.0: jid=0: Done
[ 355.157235][ T8462] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 355.312965][ T8462] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 355.348178][ T8462] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[ 355.372897][ T8462] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[ 355.393112][ T8462] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:8462 [syz.3.374] gfs2_quota_sync+0x359/0x460
[ 355.421958][ T8462] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[ 355.440996][ T8462] CPU: 0 UID: 0 PID: 8462 Comm: syz.3.374 Not tainted syzkaller #0 PREEMPT(full)
[ 355.441023][ T8462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 355.441035][ T8462] Call Trace:
[ 355.441044][ T8462]
[ 355.441052][ T8462] dump_stack_lvl+0x189/0x250
[ 355.441083][ T8462] ? __pfx_dump_stack_lvl+0x10/0x10
[ 355.441106][ T8462] ? queue_delayed_work_on+0x11a/0x280
[ 355.441128][ T8462] ? lockdep_hardirqs_on+0x98/0x140
[ 355.441147][ T8462] ? preempt_schedule+0xae/0xc0
[ 355.441179][ T8462] gfs2_withdraw+0xc3/0x1b0
[ 355.441199][ T8462] inode_go_instantiate+0xdd0/0x1210
[ 355.441243][ T8462] ? __pfx_inode_go_instantiate+0x10/0x10
[ 355.441275][ T8462] ? gfs2_glock_nq+0xedd/0x15f0
[ 355.441300][ T8462] gfs2_instantiate+0x168/0x220
[ 355.441322][ T8462] gfs2_glock_wait+0x1d4/0x2a0
[ 355.441344][ T8462] do_sync+0x46f/0xc60
[ 355.441365][ T8462] ? _raw_spin_unlock+0x28/0x50
[ 355.441387][ T8462] ? gfs2_quota_sync+0x359/0x460
[ 355.441420][ T8462] ? __pfx_do_sync+0x10/0x10
[ 355.441452][ T8462] ? gfs2_quota_sync+0x359/0x460
[ 355.441477][ T8462] ? do_raw_spin_unlock+0x122/0x240
[ 355.441505][ T8462] gfs2_quota_sync+0x359/0x460
[ 355.441537][ T8462] gfs2_sync_fs+0x4c/0xb0
[ 355.441558][ T8462] sync_filesystem+0xee/0x230
[ 355.441584][ T8462] gfs2_reconfigure+0xbb/0xb20
[ 355.441600][ T8462] ? _raw_spin_unlock+0x28/0x50
[ 355.441622][ T8462] ? sb_prepare_remount_readonly+0x471/0x4b0
[ 355.441650][ T8462] reconfigure_super+0x227/0x880
[ 355.441684][ T8462] path_mount+0xd29/0xff0
[ 355.441705][ T8462] ? kmem_cache_free+0x197/0x620
[ 355.441735][ T8462] __se_sys_mount+0x313/0x410
[ 355.441763][ T8462] ? __pfx___se_sys_mount+0x10/0x10
[ 355.441790][ T8462] ? do_syscall_64+0xbe/0xf80
[ 355.441806][ T8462] ? __x64_sys_mount+0x20/0xc0
[ 355.441830][ T8462] do_syscall_64+0xfa/0xf80
[ 355.441848][ T8462] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 355.441867][ T8462] ? clear_bhb_loop+0x60/0xb0
[ 355.441888][ T8462] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 355.441906][ T8462] RIP: 0033:0x7f28b5590eea
[ 355.441924][ T8462] 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
[ 355.441940][ T8462] RSP: 002b:00007f28b63fce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 355.441962][ T8462] RAX: ffffffffffffffda RBX: 00007f28b63fcef0 RCX: 00007f28b5590eea
[ 355.441976][ T8462] RDX: 00002000000003c0 RSI: 0000200000000340 RDI: 0000000000000000
[ 355.441988][ T8462] RBP: 00002000000003c0 R08: 00007f28b63fcef0 R09: 000000000126a4b5
[ 355.442001][ T8462] R10: 000000000126a4b5 R11: 0000000000000246 R12: 0000200000000340
[ 355.442014][ T8462] R13: 00007f28b63fceb0 R14: 0000000000000000 R15: 0000200000004140
[ 355.442045][ T8462]
[ 355.721520][ T8462] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 355.761729][ T8462] ------------[ cut here ]------------
[ 355.767441][ T8462] kernel BUG at fs/gfs2/quota.c:1520!
[ 355.880957][ T8462] Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
[ 355.887337][ T8462] CPU: 1 UID: 0 PID: 8462 Comm: syz.3.374 Not tainted syzkaller #0 PREEMPT(full)
[ 355.896545][ T8462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 355.906781][ T8462] RIP: 0010:gfs2_quota_cleanup+0x6ee/0x6f0
[ 355.912606][ T8462] Code: ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c c2 fd ff ff 4c 89 f7 e8 52 68 22 fe e9 b5 fd ff ff e8 e8 b5 55 07 e8 13 09 bc fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6
[ 355.932773][ T8462] RSP: 0000:ffffc9000486fa40 EFLAGS: 00010293
[ 355.938836][ T8462] RAX: ffffffff8405aa9d RBX: 0000000000000002 RCX: ffff88802e0dbd00
[ 355.946801][ T8462] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
[ 355.954787][ T8462] RBP: ffffc9000486fb50 R08: ffff88807b3900af R09: 1ffff1100f672015
[ 355.962808][ T8462] R10: dffffc0000000000 R11: ffffed100f672016 R12: 1ffff9200090df4c
[ 355.970865][ T8462] R13: ffff88807e43b000 R14: dffffc0000000000 R15: 0000000000000000
[ 355.978940][ T8462] FS: 00007f28b63fd6c0(0000) GS:ffff888125f37000(0000) knlGS:0000000000000000
[ 355.987863][ T8462] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 355.994432][ T8462] CR2: 00007f8e039ff000 CR3: 00000000275cc000 CR4: 00000000003526f0
[ 356.002393][ T8462] Call Trace:
[ 356.005660][ T8462]
[ 356.008577][ T8462] ? __pfx_gfs2_quota_cleanup+0x10/0x10
[ 356.014116][ T8462] ? __pfx___might_resched+0x10/0x10
[ 356.019384][ T8462] ? __pfx_gfs2_log_flush+0x10/0x10
[ 356.024565][ T8462] ? gfs2_quota_sync+0x443/0x460
[ 356.029616][ T8462] gfs2_make_fs_ro+0x27a/0x300
[ 356.034388][ T8462] ? __pfx_gfs2_make_fs_ro+0x10/0x10
[ 356.039670][ T8462] ? do_raw_spin_unlock+0x122/0x240
[ 356.044970][ T8462] gfs2_reconfigure+0x6a3/0xb20
[ 356.049824][ T8462] reconfigure_super+0x227/0x880
[ 356.054770][ T8462] path_mount+0xd29/0xff0
[ 356.059087][ T8462] ? kmem_cache_free+0x197/0x620
[ 356.064013][ T8462] __se_sys_mount+0x313/0x410
[ 356.068684][ T8462] ? __pfx___se_sys_mount+0x10/0x10
[ 356.073871][ T8462] ? do_syscall_64+0xbe/0xf80
[ 356.078531][ T8462] ? __x64_sys_mount+0x20/0xc0
[ 356.083294][ T8462] do_syscall_64+0xfa/0xf80
[ 356.087788][ T8462] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 356.093837][ T8462] ? clear_bhb_loop+0x60/0xb0
[ 356.098506][ T8462] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 356.104385][ T8462] RIP: 0033:0x7f28b5590eea
[ 356.108781][ T8462] 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
[ 356.128466][ T8462] RSP: 002b:00007f28b63fce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 356.136893][ T8462] RAX: ffffffffffffffda RBX: 00007f28b63fcef0 RCX: 00007f28b5590eea
[ 356.145027][ T8462] RDX: 00002000000003c0 RSI: 0000200000000340 RDI: 0000000000000000
[ 356.152986][ T8462] RBP: 00002000000003c0 R08: 00007f28b63fcef0 R09: 000000000126a4b5
[ 356.160953][ T8462] R10: 000000000126a4b5 R11: 0000000000000246 R12: 0000200000000340
[ 356.169209][ T8462] R13: 00007f28b63fceb0 R14: 0000000000000000 R15: 0000200000004140
[ 356.177208][ T8462]
[ 356.180224][ T8462] Modules linked in:
[ 356.185278][ T8462] ---[ end trace 0000000000000000 ]---
[ 356.185854][ T106] gfs2: fsid=syz:syz.0: file system withdrawn
[ 356.214354][ T8470] loop0: detected capacity change from 0 to 32768
[ 356.240317][ T8472] loop2: detected capacity change from 0 to 32768
[ 356.272197][ T8470] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 356.278437][ T8478] loop4: detected capacity change from 0 to 32768
[ 356.279616][ T8470] CPU: 1 UID: 0 PID: 8470 Comm: syz.0.376 Tainted: G D syzkaller #0 PREEMPT(full)
[ 356.279639][ T8470] Tainted: [D]=DIE
[ 356.279645][ T8470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 356.279657][ T8470] Call Trace:
[ 356.279681][ T8470]
[ 356.279690][ T8470] dump_stack_lvl+0x189/0x250
[ 356.279716][ T8470] ? __pfx_dump_stack_lvl+0x10/0x10
[ 356.279737][ T8470] ? __pfx__printk+0x10/0x10
[ 356.279758][ T8470] ? kernfs_root+0x1c/0x230
[ 356.279779][ T8470] ? kernfs_path_from_node+0x250/0x290
[ 356.279797][ T8470] ? kernfs_path_from_node+0x2f/0x290
[ 356.279815][ T8470] sysfs_create_dir_ns+0x259/0x280
[ 356.279834][ T8470] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 356.279852][ T8470] ? do_raw_spin_unlock+0x122/0x240
[ 356.279877][ T8470] kobject_add_internal+0x6ab/0xcc0
[ 356.279899][ T8470] kobject_init_and_add+0x125/0x190
[ 356.279919][ T8470] ? __pfx_kobject_init_and_add+0x10/0x10
[ 356.279937][ T8470] ? __raw_spin_lock_init+0x45/0x100
[ 356.279959][ T8470] ? __init_swait_queue_head+0xa9/0x150
[ 356.279982][ T8470] gfs2_sys_fs_add+0x234/0x450
[ 356.280003][ T8470] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 356.280026][ T8470] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 356.280060][ T8470] gfs2_fill_super+0x1388/0x21b0
[ 356.280082][ T8470] ? __pfx_gfs2_fill_super+0x10/0x10
[ 356.280101][ T8470] ? sb_set_blocksize+0x155/0x240
[ 356.280118][ T8470] ? setup_bdev_super+0x4c1/0x5b0
[ 356.280137][ T8470] get_tree_bdev_flags+0x40e/0x4d0
[ 356.280154][ T8470] ? __pfx_gfs2_fill_super+0x10/0x10
[ 356.280171][ T8470] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 356.280187][ T8470] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 356.280213][ T8470] gfs2_get_tree+0x51/0x1e0
[ 356.280231][ T8470] vfs_get_tree+0x92/0x2a0
[ 356.280248][ T8470] do_new_mount+0x302/0xa10
[ 356.280267][ T8470] ? apparmor_capable+0x137/0x1a0
[ 356.280289][ T8470] ? __pfx_do_new_mount+0x10/0x10
[ 356.280308][ T8470] ? ns_capable+0x8a/0xf0
[ 356.280327][ T8470] ? kmem_cache_free+0x197/0x620
[ 356.280348][ T8470] __se_sys_mount+0x313/0x410
[ 356.280370][ T8470] ? __pfx___se_sys_mount+0x10/0x10
[ 356.280392][ T8470] ? rcu_is_watching+0x15/0xb0
[ 356.280411][ T8470] ? __x64_sys_mount+0x20/0xc0
[ 356.280432][ T8470] do_syscall_64+0xfa/0xf80
[ 356.280449][ T8470] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 356.280465][ T8470] ? clear_bhb_loop+0x60/0xb0
[ 356.280484][ T8470] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 356.280501][ T8470] RIP: 0033:0x7fce4af90eea
2025/12/08 06:35:57 executed programs: 372
[ 356.280517][ T8470] 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
[ 356.280532][ T8470] RSP: 002b:00007fce4bdf7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 356.280552][ T8470] RAX: ffffffffffffffda RBX: 00007fce4bdf7ef0 RCX: 00007fce4af90eea
[ 356.280566][ T8470] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fce4bdf7eb0
[ 356.280579][ T8470] RBP: 00002000000124c0 R08: 00007fce4bdf7ef0 R09: 0000000000000000
[ 356.280592][ T8470] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 356.280604][ T8470] R13: 00007fce4bdf7eb0 R14: 00000000000125c7 R15: 0000200000000180
[ 356.280623][ T8470]
[ 356.280641][ T8470] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 356.300945][ T8462] RIP: 0010:gfs2_quota_cleanup+0x6ee/0x6f0
[ 356.310937][ T8470] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 356.559381][ T8476] loop1: detected capacity change from 0 to 32768
[ 356.567198][ T8462] Code: ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c c2 fd ff ff 4c 89 f7 e8 52 68 22 fe e9 b5 fd ff ff e8 e8 b5 55 07 e8 13 09 bc fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6
[ 356.616795][ T8478] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 356.653208][ T8472] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 356.699707][ T8476] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 356.707673][ T8472] CPU: 0 UID: 0 PID: 8472 Comm: syz.2.377 Tainted: G D syzkaller #0 PREEMPT(full)
[ 356.707703][ T8472] Tainted: [D]=DIE
[ 356.707710][ T8472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 356.707722][ T8472] Call Trace:
[ 356.707728][ T8472]
[ 356.707736][ T8472] dump_stack_lvl+0x189/0x250
[ 356.707771][ T8472] ? __pfx_dump_stack_lvl+0x10/0x10
[ 356.707790][ T8472] ? __pfx__printk+0x10/0x10
[ 356.707812][ T8472] ? kernfs_root+0x1c/0x230
[ 356.707832][ T8472] ? kernfs_path_from_node+0x250/0x290
[ 356.707853][ T8472] ? kernfs_path_from_node+0x2f/0x290
[ 356.707871][ T8472] sysfs_create_dir_ns+0x259/0x280
[ 356.707889][ T8472] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 356.707907][ T8472] ? do_raw_spin_unlock+0x122/0x240
[ 356.707931][ T8472] kobject_add_internal+0x6ab/0xcc0
[ 356.707953][ T8472] kobject_init_and_add+0x125/0x190
[ 356.707974][ T8472] ? __pfx_kobject_init_and_add+0x10/0x10
[ 356.707992][ T8472] ? __raw_spin_lock_init+0x45/0x100
[ 356.708014][ T8472] ? __init_swait_queue_head+0xa9/0x150
[ 356.708036][ T8472] gfs2_sys_fs_add+0x234/0x450
[ 356.708059][ T8472] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 356.708082][ T8472] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 356.708109][ T8472] gfs2_fill_super+0x1388/0x21b0
[ 356.708133][ T8472] ? __pfx_gfs2_fill_super+0x10/0x10
[ 356.708151][ T8472] ? sb_set_blocksize+0x155/0x240
[ 356.708170][ T8472] ? setup_bdev_super+0x4c1/0x5b0
[ 356.708189][ T8472] get_tree_bdev_flags+0x40e/0x4d0
[ 356.708206][ T8472] ? __pfx_gfs2_fill_super+0x10/0x10
[ 356.708223][ T8472] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 356.708239][ T8472] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 356.708265][ T8472] gfs2_get_tree+0x51/0x1e0
[ 356.708284][ T8472] vfs_get_tree+0x92/0x2a0
[ 356.708301][ T8472] do_new_mount+0x302/0xa10
[ 356.708321][ T8472] ? apparmor_capable+0x137/0x1a0
[ 356.708343][ T8472] ? __pfx_do_new_mount+0x10/0x10
[ 356.708363][ T8472] ? ns_capable+0x8a/0xf0
[ 356.708382][ T8472] ? kmem_cache_free+0x197/0x620
[ 356.708403][ T8472] __se_sys_mount+0x313/0x410
[ 356.708426][ T8472] ? __pfx___se_sys_mount+0x10/0x10
[ 356.708448][ T8472] ? rcu_is_watching+0x15/0xb0
[ 356.708467][ T8472] ? __x64_sys_mount+0x20/0xc0
[ 356.708488][ T8472] do_syscall_64+0xfa/0xf80
[ 356.708505][ T8472] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 356.708523][ T8472] ? clear_bhb_loop+0x60/0xb0
[ 356.708542][ T8472] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 356.708559][ T8472] RIP: 0033:0x7fde5b590eea
[ 356.708575][ T8472] 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
[ 356.708592][ T8472] RSP: 002b:00007fde5c50de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 356.708613][ T8472] RAX: ffffffffffffffda RBX: 00007fde5c50def0 RCX: 00007fde5b590eea
[ 356.708627][ T8472] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fde5c50deb0
[ 356.708641][ T8472] RBP: 00002000000124c0 R08: 00007fde5c50def0 R09: 0000000000000000
[ 356.708654][ T8472] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 356.708666][ T8472] R13: 00007fde5c50deb0 R14: 00000000000125c7 R15: 0000200000000180
[ 356.708684][ T8472]
[ 356.708706][ T8472] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 356.720915][ T8478] CPU: 1 UID: 0 PID: 8478 Comm: syz.4.375 Tainted: G D syzkaller #0 PREEMPT(full)
[ 356.720944][ T8478] Tainted: [D]=DIE
[ 356.720951][ T8478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 356.720963][ T8478] Call Trace:
[ 356.720971][ T8478]
[ 356.720979][ T8478] dump_stack_lvl+0x189/0x250
[ 356.721011][ T8478] ? __pfx_dump_stack_lvl+0x10/0x10
[ 356.721031][ T8478] ? __pfx__printk+0x10/0x10
[ 356.721053][ T8478] ? kernfs_root+0x1c/0x230
[ 356.721073][ T8478] ? kernfs_path_from_node+0x250/0x290
[ 356.721091][ T8478] ? kernfs_path_from_node+0x2f/0x290
[ 356.721110][ T8478] sysfs_create_dir_ns+0x259/0x280
[ 356.721129][ T8478] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 356.721147][ T8478] ? do_raw_spin_unlock+0x122/0x240
[ 356.721171][ T8478] kobject_add_internal+0x6ab/0xcc0
[ 356.721194][ T8478] kobject_init_and_add+0x125/0x190
[ 356.721213][ T8478] ? __pfx_kobject_init_and_add+0x10/0x10
[ 356.721231][ T8478] ? __raw_spin_lock_init+0x45/0x100
[ 356.721254][ T8478] ? __init_swait_queue_head+0xa9/0x150
[ 356.721276][ T8478] gfs2_sys_fs_add+0x234/0x450
[ 356.721298][ T8478] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 356.721321][ T8478] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 356.721348][ T8478] gfs2_fill_super+0x1388/0x21b0
[ 356.721370][ T8478] ? __pfx_gfs2_fill_super+0x10/0x10
[ 356.721388][ T8478] ? sb_set_blocksize+0x155/0x240
[ 356.721406][ T8478] ? setup_bdev_super+0x4c1/0x5b0
[ 356.721424][ T8478] get_tree_bdev_flags+0x40e/0x4d0
[ 356.721441][ T8478] ? __pfx_gfs2_fill_super+0x10/0x10
[ 356.721458][ T8478] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 356.721474][ T8478] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 356.721501][ T8478] gfs2_get_tree+0x51/0x1e0
[ 356.721517][ T8478] vfs_get_tree+0x92/0x2a0
[ 356.721535][ T8478] do_new_mount+0x302/0xa10
[ 356.721555][ T8478] ? apparmor_capable+0x137/0x1a0
[ 356.721577][ T8478] ? __pfx_do_new_mount+0x10/0x10
[ 356.721597][ T8478] ? ns_capable+0x8a/0xf0
[ 356.721615][ T8478] ? kmem_cache_free+0x197/0x620
[ 356.721636][ T8478] __se_sys_mount+0x313/0x410
[ 356.721658][ T8478] ? __pfx___se_sys_mount+0x10/0x10
[ 356.721679][ T8478] ? rcu_is_watching+0x15/0xb0
[ 356.721698][ T8478] ? __x64_sys_mount+0x20/0xc0
[ 356.721717][ T8478] do_syscall_64+0xfa/0xf80
[ 356.721735][ T8478] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 356.721751][ T8478] ? clear_bhb_loop+0x60/0xb0
[ 356.721770][ T8478] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 356.721786][ T8478] RIP: 0033:0x7fde84590eea
[ 356.721803][ T8478] 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
[ 356.721818][ T8478] RSP: 002b:00007fde83bfde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 356.721837][ T8478] RAX: ffffffffffffffda RBX: 00007fde83bfdef0 RCX: 00007fde84590eea
[ 356.721852][ T8478] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fde83bfdeb0
[ 356.721865][ T8478] RBP: 00002000000124c0 R08: 00007fde83bfdef0 R09: 0000000000000000
[ 356.721877][ T8478] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 356.721889][ T8478] R13: 00007fde83bfdeb0 R14: 00000000000125c7 R15: 0000200000000180
[ 356.721908][ T8478]
[ 356.721926][ T8478] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 356.728585][ T8476] CPU: 0 UID: 0 PID: 8476 Comm: syz.1.378 Tainted: G D syzkaller #0 PREEMPT(full)
[ 356.728614][ T8476] Tainted: [D]=DIE
[ 356.728621][ T8476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 356.728632][ T8476] Call Trace:
[ 356.728640][ T8476]
[ 356.728648][ T8476] dump_stack_lvl+0x189/0x250
[ 356.728672][ T8476] ? __pfx_dump_stack_lvl+0x10/0x10
[ 356.728699][ T8476] ? __pfx__printk+0x10/0x10
[ 356.728720][ T8476] ? kernfs_root+0x1c/0x230
[ 356.728741][ T8476] ? kernfs_path_from_node+0x250/0x290
[ 356.728793][ T8476] ? kernfs_path_from_node+0x2f/0x290
[ 356.728812][ T8476] sysfs_create_dir_ns+0x259/0x280
[ 356.728831][ T8476] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 356.728849][ T8476] ? do_raw_spin_unlock+0x122/0x240
[ 356.728873][ T8476] kobject_add_internal+0x6ab/0xcc0
[ 356.728896][ T8476] kobject_init_and_add+0x125/0x190
[ 356.728916][ T8476] ? __pfx_kobject_init_and_add+0x10/0x10
[ 356.728935][ T8476] ? __raw_spin_lock_init+0x45/0x100
[ 356.728957][ T8476] ? __init_swait_queue_head+0xa9/0x150
[ 356.728979][ T8476] gfs2_sys_fs_add+0x234/0x450
[ 356.729001][ T8476] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 356.729023][ T8476] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 356.729051][ T8476] gfs2_fill_super+0x1388/0x21b0
[ 356.729073][ T8476] ? __pfx_gfs2_fill_super+0x10/0x10
[ 356.729091][ T8476] ? sb_set_blocksize+0x155/0x240
[ 356.729111][ T8476] ? setup_bdev_super+0x4c1/0x5b0
[ 356.729128][ T8476] get_tree_bdev_flags+0x40e/0x4d0
[ 356.729145][ T8476] ? __pfx_gfs2_fill_super+0x10/0x10
[ 356.729161][ T8476] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 356.729178][ T8476] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 356.729205][ T8476] gfs2_get_tree+0x51/0x1e0
[ 356.729222][ T8476] vfs_get_tree+0x92/0x2a0
[ 356.729239][ T8476] do_new_mount+0x302/0xa10
[ 356.729259][ T8476] ? apparmor_capable+0x137/0x1a0
[ 356.729281][ T8476] ? __pfx_do_new_mount+0x10/0x10
[ 356.729301][ T8476] ? ns_capable+0x8a/0xf0
[ 356.729319][ T8476] ? kmem_cache_free+0x197/0x620
[ 356.729339][ T8476] __se_sys_mount+0x313/0x410
[ 356.729361][ T8476] ? __pfx___se_sys_mount+0x10/0x10
[ 356.729383][ T8476] ? rcu_is_watching+0x15/0xb0
[ 356.729402][ T8476] ? __x64_sys_mount+0x20/0xc0
[ 356.729422][ T8476] do_syscall_64+0xfa/0xf80
[ 356.729438][ T8476] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 356.729454][ T8476] ? clear_bhb_loop+0x60/0xb0
[ 356.729473][ T8476] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 356.729490][ T8476] RIP: 0033:0x7f8e0b990eea
[ 356.729506][ T8476] 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
[ 356.729522][ T8476] RSP: 002b:00007f8e0c766e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 356.729540][ T8476] RAX: ffffffffffffffda RBX: 00007f8e0c766ef0 RCX: 00007f8e0b990eea
[ 356.729554][ T8476] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f8e0c766eb0
[ 356.729567][ T8476] RBP: 00002000000124c0 R08: 00007f8e0c766ef0 R09: 0000000000000000
[ 356.729580][ T8476] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 356.729592][ T8476] R13: 00007f8e0c766eb0 R14: 00000000000125c7 R15: 0000200000000180
[ 356.729611][ T8476]
[ 356.729630][ T8476] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 356.739476][ T8478] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 356.761510][ T8462] RSP: 0000:ffffc9000486fa40 EFLAGS: 00010293
[ 356.791060][ T8472] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 356.860582][ T8476] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 356.873390][ T8462]
[ 357.734625][ T8462] RAX: ffffffff8405aa9d RBX: 0000000000000002 RCX: ffff88802e0dbd00
[ 357.742707][ T8462] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
[ 357.750720][ T8462] RBP: ffffc9000486fb50 R08: ffff88807b3900af R09: 1ffff1100f672015
[ 357.759607][ T8462] R10: dffffc0000000000 R11: ffffed100f672016 R12: 1ffff9200090df4c
[ 357.767670][ T8462] R13: ffff88807e43b000 R14: dffffc0000000000 R15: 0000000000000000
[ 357.775705][ T8462] FS: 00007f28b63fd6c0(0000) GS:ffff888125f37000(0000) knlGS:0000000000000000
[ 357.785744][ T8462] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 357.792411][ T8462] CR2: 00007f5a21776000 CR3: 00000000275cc000 CR4: 00000000003526f0
[ 357.800402][ T8462] Kernel panic - not syncing: Fatal exception
[ 357.806914][ T8462] Kernel Offset: disabled
[ 357.811222][ T8462] Rebooting in 86400 seconds..